From 9a29081b49540b84ea13994494d7ed0f599387bc Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Fri, 9 Aug 2024 12:22:00 +0300 Subject: [PATCH 001/149] call `Cargo::configure_linker` only for specific commands Calling `Cargo::configure_linker` unconditionally slows down certain commands (e.g., "check" command) without providing any benefit. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/builder.rs | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index 84c23c059e97..b21572016b44 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -2446,7 +2446,15 @@ impl Cargo { cmd_kind: Kind, ) -> Cargo { let mut cargo = builder.cargo(compiler, mode, source_type, target, cmd_kind); - cargo.configure_linker(builder); + + match cmd_kind { + // No need to configure the target linker for these command types. + Kind::Clean | Kind::Check | Kind::Suggest | Kind::Format | Kind::Setup => {} + _ => { + cargo.configure_linker(builder); + } + } + cargo } From 94fbe141558bb866c07f7c5138fba0d186c4ce85 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Fri, 9 Aug 2024 12:30:36 +0300 Subject: [PATCH 002/149] don't try to find target tools on certain commands For commands like check/clean there is no need to check for target tools. Avoiding this check can also speed up the process. Signed-off-by: onur-ozkan --- src/bootstrap/src/utils/cc_detect.rs | 32 ++++++++++++++++++++-------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/src/bootstrap/src/utils/cc_detect.rs b/src/bootstrap/src/utils/cc_detect.rs index 29e6b74aaceb..a2c7ab31df8a 100644 --- a/src/bootstrap/src/utils/cc_detect.rs +++ b/src/bootstrap/src/utils/cc_detect.rs @@ -87,15 +87,29 @@ fn new_cc_build(build: &Build, target: TargetSelection) -> cc::Build { } pub fn find(build: &Build) { - // For all targets we're going to need a C compiler for building some shims - // and such as well as for being a linker for Rust code. - let targets = build - .targets - .iter() - .chain(&build.hosts) - .cloned() - .chain(iter::once(build.build)) - .collect::>(); + let targets: HashSet<_> = match build.config.cmd { + // We don't need to check cross targets for these commands. + crate::Subcommand::Clean { .. } + | crate::Subcommand::Check { .. } + | crate::Subcommand::Suggest { .. } + | crate::Subcommand::Format { .. } + | crate::Subcommand::Setup { .. } => { + build.hosts.iter().cloned().chain(iter::once(build.build)).collect() + } + + _ => { + // For all targets we're going to need a C compiler for building some shims + // and such as well as for being a linker for Rust code. + build + .targets + .iter() + .chain(&build.hosts) + .cloned() + .chain(iter::once(build.build)) + .collect() + } + }; + for target in targets.into_iter() { find_target(build, target); } From 2dbc976f5d1e49343cba31c0b3a529c2f4d3d271 Mon Sep 17 00:00:00 2001 From: bjorn3 <17426603+bjorn3@users.noreply.github.com> Date: Sat, 10 Aug 2024 19:23:03 +0000 Subject: [PATCH 003/149] Distribute rustc_codegen_cranelift for Windows --- compiler/rustc_codegen_cranelift/Readme.md | 2 +- src/bootstrap/src/core/build_steps/dist.rs | 15 +++------------ src/ci/github-actions/jobs.yml | 4 ++++ 3 files changed, 8 insertions(+), 13 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/Readme.md b/compiler/rustc_codegen_cranelift/Readme.md index 6766e2f844d6..18a840f8a50e 100644 --- a/compiler/rustc_codegen_cranelift/Readme.md +++ b/compiler/rustc_codegen_cranelift/Readme.md @@ -70,7 +70,7 @@ For more docs on how to build and test see [build_system/usage.txt](build_system |AIX|❌[^xcoff]|N/A|N/A|❌[^xcoff]| |Other unixes|❓|❓|❓|❓| |macOS|✅|✅|N/A|N/A| -|Windows|✅[^no-rustup]|❌|N/A|N/A| +|Windows|✅|❌|N/A|N/A| ✅: Fully supported and tested ❓: Maybe supported, not tested diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 43306eab1b14..9edbb130905a 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -1361,18 +1361,9 @@ impl Step for CodegenBackend { return None; } - if self.backend == "cranelift" { - if !target_supports_cranelift_backend(self.compiler.host) { - builder.info("target not supported by rustc_codegen_cranelift. skipping"); - return None; - } - - if self.compiler.host.is_windows() { - builder.info( - "dist currently disabled for windows by rustc_codegen_cranelift. skipping", - ); - return None; - } + if self.backend == "cranelift" && !target_supports_cranelift_backend(self.compiler.host) { + builder.info("target not supported by rustc_codegen_cranelift. skipping"); + return None; } let compiler = self.compiler; diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 638f14ad53fe..dfbc95cfa795 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -416,6 +416,7 @@ auto: --set rust.codegen-units=1 SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 + CODEGEN_BACKENDS: llvm,cranelift <<: *job-windows-8c - image: dist-i686-msvc @@ -428,6 +429,7 @@ auto: --enable-profiler SCRIPT: python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 + CODEGEN_BACKENDS: llvm,cranelift <<: *job-windows-8c - image: dist-aarch64-msvc @@ -452,6 +454,7 @@ auto: NO_DOWNLOAD_CI_LLVM: 1 SCRIPT: python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 + CODEGEN_BACKENDS: llvm,cranelift <<: *job-windows-8c - image: dist-x86_64-mingw @@ -464,6 +467,7 @@ auto: # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 DIST_REQUIRE_ALL_TOOLS: 1 + CODEGEN_BACKENDS: llvm,cranelift <<: *job-windows-8c - image: dist-x86_64-msvc-alt From a281f93d3d06be1ef8a1a521fab9c049901da64d Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 20 Aug 2024 16:54:36 +0200 Subject: [PATCH 004/149] supress niches in coroutines --- compiler/rustc_ty_utils/src/layout.rs | 8 ++- .../miri/tests/pass/async-niche-aliasing.rs | 66 +++++++++++++++++++ 2 files changed, 73 insertions(+), 1 deletion(-) create mode 100644 src/tools/miri/tests/pass/async-niche-aliasing.rs diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index 234e1a6d55e6..c23a7fec5a5c 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -1001,7 +1001,13 @@ fn coroutine_layout<'tcx>( }, fields: outer_fields, abi, - largest_niche: prefix.largest_niche, + // Suppress niches inside coroutines. If the niche is inside a field that is aliased (due to + // self-referentiality), getting the discriminant can cause aliasing violations. + // `UnsafeCell` blocks niches for the same reason, but we don't yet have `UnsafePinned` that + // would do the same for us here. + // See , . + // FIXME: Remove when is implemented and aliased coroutine fields are wrapped in `UnsafePinned`. + largest_niche: None, size, align, max_repr_align: None, diff --git a/src/tools/miri/tests/pass/async-niche-aliasing.rs b/src/tools/miri/tests/pass/async-niche-aliasing.rs new file mode 100644 index 000000000000..7f19afb33e43 --- /dev/null +++ b/src/tools/miri/tests/pass/async-niche-aliasing.rs @@ -0,0 +1,66 @@ +//@revisions: stack tree +//@[tree]compile-flags: -Zmiri-tree-borrows + +use std::{ + future::Future, + pin::Pin, + sync::Arc, + task::{Context, Poll, Wake}, + mem::MaybeUninit, +}; + +struct ThingAdder<'a> { + // Using `MaybeUninit` to ensure there are no niches here. + thing: MaybeUninit<&'a mut String>, +} + +impl Future for ThingAdder<'_> { + type Output = (); + + fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll { + unsafe { + **self.get_unchecked_mut().thing.assume_init_mut() += ", world"; + } + Poll::Pending + } +} + +fn main() { + let mut thing = "hello".to_owned(); + // This future has (at least) two fields, a String (`thing`) and a ThingAdder pointing to that string. + let fut = async move { ThingAdder { thing: MaybeUninit::new(&mut thing) }.await }; + + let mut fut = MaybeDone::Future(fut); + let mut fut = unsafe { Pin::new_unchecked(&mut fut) }; + + let waker = Arc::new(DummyWaker).into(); + let mut ctx = Context::from_waker(&waker); + // This ends up reading the discriminant of the `MaybeDone`. If that is stored inside the + // `thing: String` as a niche optimization, that causes aliasing conflicts with the reference + // stored in `ThingAdder`. + assert_eq!(fut.as_mut().poll(&mut ctx), Poll::Pending); + assert_eq!(fut.as_mut().poll(&mut ctx), Poll::Pending); +} + +struct DummyWaker; + +impl Wake for DummyWaker { + fn wake(self: Arc) {} +} + +pub enum MaybeDone { + Future(F), + Done, +} +impl> Future for MaybeDone { + type Output = (); + + fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { + unsafe { + match *self.as_mut().get_unchecked_mut() { + MaybeDone::Future(ref mut f) => Pin::new_unchecked(f).poll(cx), + MaybeDone::Done => unreachable!(), + } + } + } +} From 12cda6e77a4fb8e94ec8131492803927aa330ce6 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 20 Aug 2024 18:33:25 +0200 Subject: [PATCH 005/149] bless ui tests --- tests/ui/async-await/async-drop.rs | 26 ++++++++++--------- .../future-sizes/async-awaiting-fut.stdout | 20 +++++++------- tests/ui/coroutine/discriminant.rs | 6 +++-- tests/ui/coroutine/niche-in-coroutine.rs | 3 ++- 4 files changed, 29 insertions(+), 26 deletions(-) diff --git a/tests/ui/async-await/async-drop.rs b/tests/ui/async-await/async-drop.rs index 12f120a0b121..4e60598661fa 100644 --- a/tests/ui/async-await/async-drop.rs +++ b/tests/ui/async-await/async-drop.rs @@ -53,18 +53,20 @@ fn main() { let i = 13; let fut = pin!(async { test_async_drop(Int(0), 0).await; - test_async_drop(AsyncInt(0), 104).await; - test_async_drop([AsyncInt(1), AsyncInt(2)], 152).await; - test_async_drop((AsyncInt(3), AsyncInt(4)), 488).await; + // FIXME(#63818): niches in coroutines are disabled. + // Some of these sizes should be smaller, as indicated in comments. + test_async_drop(AsyncInt(0), /*104*/ 112).await; + test_async_drop([AsyncInt(1), AsyncInt(2)], /*152*/ 168).await; + test_async_drop((AsyncInt(3), AsyncInt(4)), /*488*/ 528).await; test_async_drop(5, 0).await; let j = 42; test_async_drop(&i, 0).await; test_async_drop(&j, 0).await; - test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }, 1688).await; + test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }, /*1688*/ 1792).await; test_async_drop(ManuallyDrop::new(AsyncInt(9)), 0).await; let foo = AsyncInt(10); - test_async_drop(AsyncReference { foo: &foo }, 104).await; + test_async_drop(AsyncReference { foo: &foo }, /*104*/ 112).await; let foo = AsyncInt(11); test_async_drop( @@ -73,17 +75,17 @@ fn main() { let foo = AsyncInt(10); foo }, - 120, + /*120*/ 136, ) .await; - test_async_drop(AsyncEnum::A(AsyncInt(12)), 680).await; - test_async_drop(AsyncEnum::B(SyncInt(13)), 680).await; + test_async_drop(AsyncEnum::A(AsyncInt(12)), /*680*/ 736).await; + test_async_drop(AsyncEnum::B(SyncInt(13)), /*680*/ 736).await; - test_async_drop(SyncInt(14), 16).await; + test_async_drop(SyncInt(14), /*16*/ 24).await; test_async_drop( SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }, - 3064, + /*3064*/ 3296, ) .await; @@ -99,11 +101,11 @@ fn main() { black_box(core::future::ready(())).await; foo }, - 120, + /*120*/ 136, ) .await; - test_async_drop(AsyncUnion { signed: 21 }, 32).await; + test_async_drop(AsyncUnion { signed: 21 }, /*32*/ 40).await; }); let res = fut.poll(&mut cx); assert_eq!(res, Poll::Ready(())); diff --git a/tests/ui/async-await/future-sizes/async-awaiting-fut.stdout b/tests/ui/async-await/future-sizes/async-awaiting-fut.stdout index def967ba195e..642e27b2a57d 100644 --- a/tests/ui/async-await/future-sizes/async-awaiting-fut.stdout +++ b/tests/ui/async-await/future-sizes/async-awaiting-fut.stdout @@ -14,28 +14,26 @@ print-type-size field `.value`: 3077 bytes print-type-size type: `{async fn body of calls_fut<{async fn body of big_fut()}>()}`: 3077 bytes, alignment: 1 bytes print-type-size discriminant: 1 bytes print-type-size variant `Unresumed`: 1025 bytes -print-type-size upvar `.fut`: 1025 bytes, offset: 0 bytes, alignment: 1 bytes +print-type-size upvar `.fut`: 1025 bytes print-type-size variant `Suspend0`: 2052 bytes -print-type-size upvar `.fut`: 1025 bytes, offset: 0 bytes, alignment: 1 bytes -print-type-size padding: 1 bytes -print-type-size local `.fut`: 1025 bytes, alignment: 1 bytes +print-type-size upvar `.fut`: 1025 bytes +print-type-size local `.fut`: 1025 bytes print-type-size local `..coroutine_field4`: 1 bytes, type: bool print-type-size local `.__awaitee`: 1 bytes, type: {async fn body of wait()} print-type-size variant `Suspend1`: 3076 bytes -print-type-size upvar `.fut`: 1025 bytes, offset: 0 bytes, alignment: 1 bytes -print-type-size padding: 1026 bytes +print-type-size upvar `.fut`: 1025 bytes +print-type-size padding: 1025 bytes print-type-size local `..coroutine_field4`: 1 bytes, alignment: 1 bytes, type: bool print-type-size local `.__awaitee`: 1025 bytes, type: {async fn body of big_fut()} print-type-size variant `Suspend2`: 2052 bytes -print-type-size upvar `.fut`: 1025 bytes, offset: 0 bytes, alignment: 1 bytes -print-type-size padding: 1 bytes -print-type-size local `.fut`: 1025 bytes, alignment: 1 bytes +print-type-size upvar `.fut`: 1025 bytes +print-type-size local `.fut`: 1025 bytes print-type-size local `..coroutine_field4`: 1 bytes, type: bool print-type-size local `.__awaitee`: 1 bytes, type: {async fn body of wait()} print-type-size variant `Returned`: 1025 bytes -print-type-size upvar `.fut`: 1025 bytes, offset: 0 bytes, alignment: 1 bytes +print-type-size upvar `.fut`: 1025 bytes print-type-size variant `Panicked`: 1025 bytes -print-type-size upvar `.fut`: 1025 bytes, offset: 0 bytes, alignment: 1 bytes +print-type-size upvar `.fut`: 1025 bytes print-type-size type: `std::mem::ManuallyDrop<{async fn body of big_fut()}>`: 1025 bytes, alignment: 1 bytes print-type-size field `.value`: 1025 bytes print-type-size type: `std::mem::MaybeUninit<{async fn body of big_fut()}>`: 1025 bytes, alignment: 1 bytes diff --git a/tests/ui/coroutine/discriminant.rs b/tests/ui/coroutine/discriminant.rs index d6879e218255..ca4fcedd7e53 100644 --- a/tests/ui/coroutine/discriminant.rs +++ b/tests/ui/coroutine/discriminant.rs @@ -124,12 +124,14 @@ fn main() { }; assert_eq!(size_of_val(&gen_u8_tiny_niche()), 1); - assert_eq!(size_of_val(&Some(gen_u8_tiny_niche())), 1); // uses niche + // FIXME(#63818): niches in coroutines are disabled. + // assert_eq!(size_of_val(&Some(gen_u8_tiny_niche())), 1); // uses niche assert_eq!(size_of_val(&Some(Some(gen_u8_tiny_niche()))), 2); // cannot use niche anymore assert_eq!(size_of_val(&gen_u8_full()), 1); assert_eq!(size_of_val(&Some(gen_u8_full())), 2); // cannot use niche assert_eq!(size_of_val(&gen_u16()), 2); - assert_eq!(size_of_val(&Some(gen_u16())), 2); // uses niche + // FIXME(#63818): niches in coroutines are disabled. + // assert_eq!(size_of_val(&Some(gen_u16())), 2); // uses niche cycle(gen_u8_tiny_niche(), 254); cycle(gen_u8_full(), 255); diff --git a/tests/ui/coroutine/niche-in-coroutine.rs b/tests/ui/coroutine/niche-in-coroutine.rs index 117ee9e6f038..f268ef09f892 100644 --- a/tests/ui/coroutine/niche-in-coroutine.rs +++ b/tests/ui/coroutine/niche-in-coroutine.rs @@ -15,5 +15,6 @@ fn main() { take(x); }; - assert_eq!(size_of_val(&gen1), size_of_val(&Some(gen1))); + // FIXME(#63818): niches in coroutines are disabled. Should be `assert_eq`. + assert_ne!(size_of_val(&gen1), size_of_val(&Some(gen1))); } From deab741ab4c91c740b265db4d4950f31fc4f6cc3 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 21 Aug 2024 15:32:57 +1000 Subject: [PATCH 006/149] Clarify a comment. --- compiler/rustc_parse/src/parser/attr_wrapper.rs | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 49df2811d525..cfbac4876d53 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -510,9 +510,11 @@ fn make_attr_token_stream( } /// Tokens are needed if: -/// - any non-single-segment attributes (other than doc comments) are present; or -/// - any `cfg_attr` attributes are present; -/// - any single-segment, non-builtin attributes are present. +/// - any non-single-segment attributes (other than doc comments) are present, +/// e.g. `rustfmt::skip`; or +/// - any `cfg_attr` attributes are present; or +/// - any single-segment, non-builtin attributes are present, e.g. `derive`, +/// `test`, `global_allocator`. fn needs_tokens(attrs: &[ast::Attribute]) -> bool { attrs.iter().any(|attr| match attr.ident() { None => !attr.is_doc_comment(), From 312ecdb2ed37249ad539bc0732278b80b4f3c7f8 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 20 Aug 2024 12:25:31 +1000 Subject: [PATCH 007/149] Avoid unnecessary `cloned`. --- compiler/rustc_parse/src/parser/attr_wrapper.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index cfbac4876d53..67d1e410c589 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -363,7 +363,7 @@ impl<'a> Parser<'a> { [parser_replacements_start..parser_replacements_end] .iter() .cloned() - .chain(inner_attr_parser_replacements.iter().cloned()) + .chain(inner_attr_parser_replacements.into_iter()) .map(|(parser_range, data)| { (NodeRange::new(parser_range, collect_pos.start_pos), data) }) From 1ae521e9d57ba3a67b1007204da2836d8b19b4a2 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 20 Aug 2024 17:47:53 +1000 Subject: [PATCH 008/149] Return earlier in some cases in `collect_token`. This example triggers an assertion failure: ``` fn f() -> u32 { #[cfg_eval] #[cfg(not(FALSE))] 0 } ``` The sequence of events: - `configure_annotatable` calls `parse_expr_force_collect`, which calls `collect_tokens`. - Within that, we end up in `parse_expr_dot_or_call`, which again calls `collect_tokens`. - The return value of the `f` call is the expression `0`. - This inner call collects tokens for `0` (parser range 10..11) and creates a replacement covering `#[cfg(not(FALSE))] 0` (parser range 0..11). - We return to the outer `collect_tokens` call. The return value of the `f` call is *again* the expression `0`, again with the range 10..11, but the replacement from earlier covers the range 0..11. The code mistakenly assumes that any attributes from an inner `collect_tokens` call fit entirely within the body of the result of an outer `collect_tokens` call. So it adjusts the replacement parser range 0..11 to a node range by subtracting 10, resulting in -10..1. This is an invalid range and triggers an assertion failure. It's tricky to follow, but basically things get complicated when an AST node is returned from an inner `collect_tokens` call and then returned again from an outer `collect_token` node without being wrapped in any kind of additional layer. This commit changes `collect_tokens` to return early in some extra cases, avoiding the construction of lazy tokens. In the example above, the outer `collect_tokens` returns earlier because the `0` token already has tokens and `self.capture_state.capturing` is `Capturing::No`. This early return avoids the creation of the invalid range and the assertion failure. Fixes #129166. Note: these invalid ranges have been happening for a long time. #128725 looks like it's at fault only because it introduced the assertion that catches the invalid ranges. --- .../rustc_parse/src/parser/attr_wrapper.rs | 39 +++++++++++-------- tests/crashes/129166.rs | 7 ---- .../invalid-node-range-issue-129166.rs | 11 ++++++ .../invalid-node-range-issue-129166.stderr | 8 ++++ 4 files changed, 41 insertions(+), 24 deletions(-) delete mode 100644 tests/crashes/129166.rs create mode 100644 tests/ui/conditional-compilation/invalid-node-range-issue-129166.rs create mode 100644 tests/ui/conditional-compilation/invalid-node-range-issue-129166.stderr diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 67d1e410c589..81b683705f30 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -234,6 +234,8 @@ impl<'a> Parser<'a> { force_collect: ForceCollect, f: impl FnOnce(&mut Self, AttrVec) -> PResult<'a, (R, Trailing, UsePreAttrPos)>, ) -> PResult<'a, R> { + let possible_capture_mode = self.capture_cfg; + // We must collect if anything could observe the collected tokens, i.e. // if any of the following conditions hold. // - We are force collecting tokens (because force collection requires @@ -244,9 +246,9 @@ impl<'a> Parser<'a> { // - Our target supports custom inner attributes (custom // inner attribute invocation might require token capturing). || R::SUPPORTS_CUSTOM_INNER_ATTRS - // - We are in `capture_cfg` mode (which requires tokens if + // - We are in "possible capture mode" (which requires tokens if // the parsed node has `#[cfg]` or `#[cfg_attr]` attributes). - || self.capture_cfg; + || possible_capture_mode; if !needs_collection { return Ok(f(self, attrs.attrs)?.0); } @@ -267,7 +269,7 @@ impl<'a> Parser<'a> { res? }; - // When we're not in `capture_cfg` mode, then skip collecting and + // When we're not in "definite capture mode", then skip collecting and // return early if either of the following conditions hold. // - `None`: Our target doesn't support tokens at all (e.g. `NtIdent`). // - `Some(Some(_))`: Our target already has tokens set (e.g. we've @@ -278,7 +280,10 @@ impl<'a> Parser<'a> { // Note that this check is independent of `force_collect`. There's no // need to collect tokens when we don't support tokens or already have // tokens. - if !self.capture_cfg && matches!(ret.tokens_mut(), None | Some(Some(_))) { + let definite_capture_mode = self.capture_cfg + && matches!(self.capture_state.capturing, Capturing::Yes) + && has_cfg_or_cfg_attr(ret.attrs()); + if !definite_capture_mode && matches!(ret.tokens_mut(), None | Some(Some(_))) { return Ok(ret); } @@ -298,11 +303,11 @@ impl<'a> Parser<'a> { // the earlier `needs_tokens` check, and we don't need to // check `R::SUPPORTS_CUSTOM_INNER_ATTRS`.) || needs_tokens(ret.attrs()) - // - We are in `capture_cfg` mode and there are `#[cfg]` or - // `#[cfg_attr]` attributes. (During normal non-`capture_cfg` - // parsing, we don't need any special capturing for those - // attributes, because they're builtin.) - || (self.capture_cfg && has_cfg_or_cfg_attr(ret.attrs())); + // - We are in "definite capture mode", which requires that there + // are `#[cfg]` or `#[cfg_attr]` attributes. (During normal + // non-`capture_cfg` parsing, we don't need any special capturing + // for those attributes, because they're builtin.) + || definite_capture_mode; if !needs_collection { return Ok(ret); } @@ -399,20 +404,18 @@ impl<'a> Parser<'a> { break_last_token: self.break_last_token, node_replacements, }); + let mut tokens_used = false; // If we support tokens and don't already have them, store the newly captured tokens. if let Some(target_tokens @ None) = ret.tokens_mut() { + tokens_used = true; *target_tokens = Some(tokens.clone()); } - // If `capture_cfg` is set and we're inside a recursive call to - // `collect_tokens`, then we need to register a replace range if we - // have `#[cfg]` or `#[cfg_attr]`. This allows us to run eager - // cfg-expansion on the captured token stream. - if self.capture_cfg - && matches!(self.capture_state.capturing, Capturing::Yes) - && has_cfg_or_cfg_attr(ret.attrs()) - { + // If in "definite capture mode" we need to register a replace range + // for the `#[cfg]` and/or `#[cfg_attr]` attrs. This allows us to run + // eager cfg-expansion on the captured token stream. + if definite_capture_mode { assert!(!self.break_last_token, "Should not have unglued last token with cfg attr"); // What is the status here when parsing the example code at the top of this method? @@ -430,6 +433,7 @@ impl<'a> Parser<'a> { let start_pos = if has_outer_attrs { attrs.start_pos.unwrap() } else { collect_pos.start_pos }; let target = AttrsTarget { attrs: ret.attrs().iter().cloned().collect(), tokens }; + tokens_used = true; self.capture_state .parser_replacements .push((ParserRange(start_pos..end_pos), Some(target))); @@ -439,6 +443,7 @@ impl<'a> Parser<'a> { self.capture_state.parser_replacements.clear(); self.capture_state.inner_attr_parser_ranges.clear(); } + assert!(tokens_used); // check we didn't create `tokens` unnecessarily Ok(ret) } } diff --git a/tests/crashes/129166.rs b/tests/crashes/129166.rs deleted file mode 100644 index d3635d410db5..000000000000 --- a/tests/crashes/129166.rs +++ /dev/null @@ -1,7 +0,0 @@ -//@ known-bug: rust-lang/rust#129166 - -fn main() { - #[cfg_eval] - #[cfg] - 0 -} diff --git a/tests/ui/conditional-compilation/invalid-node-range-issue-129166.rs b/tests/ui/conditional-compilation/invalid-node-range-issue-129166.rs new file mode 100644 index 000000000000..794e6fad3fc2 --- /dev/null +++ b/tests/ui/conditional-compilation/invalid-node-range-issue-129166.rs @@ -0,0 +1,11 @@ +// This was triggering an assertion failure in `NodeRange::new`. + +#![feature(cfg_eval)] +#![feature(stmt_expr_attributes)] + +fn f() -> u32 { + #[cfg_eval] #[cfg(not(FALSE))] 0 + //~^ ERROR removing an expression is not supported in this position +} + +fn main() {} diff --git a/tests/ui/conditional-compilation/invalid-node-range-issue-129166.stderr b/tests/ui/conditional-compilation/invalid-node-range-issue-129166.stderr new file mode 100644 index 000000000000..0699e182bd5f --- /dev/null +++ b/tests/ui/conditional-compilation/invalid-node-range-issue-129166.stderr @@ -0,0 +1,8 @@ +error: removing an expression is not supported in this position + --> $DIR/invalid-node-range-issue-129166.rs:7:17 + | +LL | #[cfg_eval] #[cfg(not(FALSE))] 0 + | ^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + From 0bae33fcd503473aec70aef28b0e08abce965557 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 20 Aug 2024 12:28:39 +1000 Subject: [PATCH 009/149] Avoid nested replacement ranges. In a case like this: ``` mod a { mod b { #[cfg_attr(unix, inline)] fn f() { #[cfg_attr(linux, inline)] fn g1() {} #[cfg_attr(linux, inline)] fn g2() {} } } } ``` We currently end up with the following replacement ranges. - The lazy tokens for `f` has replacement ranges for `g1` and `g2`. - The lazy tokens for `a` has replacement ranges for `f`, `g1`, and `g2`. I.e. the replacement ranges for `g1` and `g2` are duplicated. In general, replacement ranges for inner AST nodes are duplicated up the chain for each nested `collect_tokens` call. And the code that processes the replacements is careful about the ordering in which the replacements are applied, to ensure that inner replacements are applied before outer replacements. But all of this is unnecessary. If you apply an inner replacement and then an outer replacement, the outer replacement completely overwrites the inner replacement. This commit avoids the duplication by removing replacements from `self.capture_state.parser_replacements` when they are used. (The effect on the example above is that the lazy tokesn for `a` no longer include replacement ranges for `g1` and `g2`.) This eliminates the possibility of nested replacements on individual AST nodes, which avoids the need for careful ordering of replacements. --- .../rustc_parse/src/parser/attr_wrapper.rs | 28 +++++-------------- 1 file changed, 7 insertions(+), 21 deletions(-) diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 81b683705f30..a74c87ca2a71 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -134,9 +134,8 @@ impl ToAttrTokenStream for LazyAttrTokenStreamImpl { node_replacements.array_windows() { assert!( - node_range.0.end <= next_node_range.0.start - || node_range.0.end >= next_node_range.0.end, - "Node ranges should be disjoint or nested: ({:?}, {:?}) ({:?}, {:?})", + node_range.0.end <= next_node_range.0.start, + "Node ranges should be disjoint: ({:?}, {:?}) ({:?}, {:?})", node_range, tokens, next_node_range, @@ -144,20 +143,8 @@ impl ToAttrTokenStream for LazyAttrTokenStreamImpl { ); } - // Process the replace ranges, starting from the highest start - // position and working our way back. If have tokens like: - // - // `#[cfg(FALSE)] struct Foo { #[cfg(FALSE)] field: bool }` - // - // Then we will generate replace ranges for both - // the `#[cfg(FALSE)] field: bool` and the entire - // `#[cfg(FALSE)] struct Foo { #[cfg(FALSE)] field: bool }` - // - // By starting processing from the replace range with the greatest - // start position, we ensure that any (outer) replace range which - // encloses another (inner) replace range will fully overwrite the - // inner range's replacement. - for (node_range, target) in node_replacements.into_iter().rev() { + // Process the replace ranges. + for (node_range, target) in node_replacements.into_iter() { assert!( !node_range.0.is_empty(), "Cannot replace an empty node range: {:?}", @@ -364,10 +351,9 @@ impl<'a> Parser<'a> { // from `ParserRange` form to `NodeRange` form. We will perform the actual // replacement only when we convert the `LazyAttrTokenStream` to an // `AttrTokenStream`. - self.capture_state.parser_replacements - [parser_replacements_start..parser_replacements_end] - .iter() - .cloned() + self.capture_state + .parser_replacements + .drain(parser_replacements_start..parser_replacements_end) .chain(inner_attr_parser_replacements.into_iter()) .map(|(parser_range, data)| { (NodeRange::new(parser_range, collect_pos.start_pos), data) From 39b38a94e397bb2f55bb7b8e2a5cd69f649cadc1 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 22 Aug 2024 06:58:31 +1000 Subject: [PATCH 010/149] Split the assertion in `NodeRange::new`. --- compiler/rustc_parse/src/parser/mod.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 61e3fa2e6c56..b72957ace521 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -238,7 +238,8 @@ impl NodeRange { // is the position of the function's start token. This gives // `NodeRange(10..15)`. fn new(ParserRange(parser_range): ParserRange, start_pos: u32) -> NodeRange { - assert!(parser_range.start >= start_pos && parser_range.end >= start_pos); + assert!(!parser_range.is_empty()); + assert!(parser_range.start >= start_pos); NodeRange((parser_range.start - start_pos)..(parser_range.end - start_pos)) } } From b7e7f6e903ac28021a4b099d63eefd35f125c2a6 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 21 Aug 2024 15:01:10 +1000 Subject: [PATCH 011/149] Tweak `tests/ui/proc-macro/macro-rules-derive-cfg.rs`. - Trim some unnecessary fat from the type declaration. - Add another attribute, to make it a stronger test of `cfg_attr` processing. Note that the current output is incorrect, because it duplicates the added attribute. The next commit will fix this. --- tests/ui/proc-macro/macro-rules-derive-cfg.rs | 12 +- .../proc-macro/macro-rules-derive-cfg.stdout | 212 +++++++++--------- 2 files changed, 114 insertions(+), 110 deletions(-) diff --git a/tests/ui/proc-macro/macro-rules-derive-cfg.rs b/tests/ui/proc-macro/macro-rules-derive-cfg.rs index 68026a60be68..c34f1695761c 100644 --- a/tests/ui/proc-macro/macro-rules-derive-cfg.rs +++ b/tests/ui/proc-macro/macro-rules-derive-cfg.rs @@ -14,17 +14,15 @@ extern crate test_macros; macro_rules! produce_it { ($expr:expr) => { #[derive(Print)] - struct Foo { - val: [bool; { - let a = #[cfg_attr(not(FALSE), rustc_dummy(first))] $expr; - 0 - }] - } + struct Foo( + [bool; #[cfg_attr(not(FALSE), rustc_dummy(first))] $expr] + ); } } produce_it!(#[cfg_attr(not(FALSE), rustc_dummy(second))] { - #![cfg_attr(not(FALSE), allow(unused))] + #![cfg_attr(not(FALSE), rustc_dummy(third))] + #[cfg_attr(not(FALSE), rustc_dummy(fourth))] 30 }); diff --git a/tests/ui/proc-macro/macro-rules-derive-cfg.stdout b/tests/ui/proc-macro/macro-rules-derive-cfg.stdout index fadf210127e4..5205a4adf254 100644 --- a/tests/ui/proc-macro/macro-rules-derive-cfg.stdout +++ b/tests/ui/proc-macro/macro-rules-derive-cfg.stdout @@ -1,21 +1,11 @@ -PRINT-DERIVE INPUT (DISPLAY): struct Foo +PRINT-DERIVE INPUT (DISPLAY): struct +Foo([bool; #[rustc_dummy(first)] #[rustc_dummy(second)] +{ #![rustc_dummy(third)] #[rustc_dummy(fourth)] #[rustc_dummy(fourth)] 30 }]); +PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct +Foo([bool; #[rustc_dummy(first)] #[rustc_dummy(second)] { - val : - [bool; - { - let a = #[rustc_dummy(first)] #[rustc_dummy(second)] - { #![allow(unused)] 30 }; 0 - }] -} -PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo -{ - val : - [bool; - { - let a = #[rustc_dummy(first)] #[rustc_dummy(second)] - { #! [allow(unused)] 30 }; 0 - }] -} + #! [rustc_dummy(third)] #[rustc_dummy(fourth)] #[rustc_dummy(fourth)] 30 +}]); PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "struct", @@ -26,155 +16,171 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ span: $DIR/macro-rules-derive-cfg.rs:17:16: 17:19 (#3), }, Group { - delimiter: Brace, + delimiter: Parenthesis, stream: TokenStream [ - Ident { - ident: "val", - span: $DIR/macro-rules-derive-cfg.rs:18:13: 18:16 (#3), - }, - Punct { - ch: ':', - spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:18:16: 18:17 (#3), - }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "bool", - span: $DIR/macro-rules-derive-cfg.rs:18:19: 18:23 (#3), + span: $DIR/macro-rules-derive-cfg.rs:18:14: 18:18 (#3), }, Punct { ch: ';', spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:18:23: 18:24 (#3), + span: $DIR/macro-rules-derive-cfg.rs:18:18: 18:19 (#3), + }, + Punct { + ch: '#', + spacing: Alone, + span: $DIR/macro-rules-derive-cfg.rs:18:20: 18:21 (#3), + }, + Group { + delimiter: Bracket, + stream: TokenStream [ + Ident { + ident: "rustc_dummy", + span: $DIR/macro-rules-derive-cfg.rs:18:43: 18:54 (#3), + }, + Group { + delimiter: Parenthesis, + stream: TokenStream [ + Ident { + ident: "first", + span: $DIR/macro-rules-derive-cfg.rs:18:55: 18:60 (#3), + }, + ], + span: $DIR/macro-rules-derive-cfg.rs:18:54: 18:61 (#3), + }, + ], + span: $DIR/macro-rules-derive-cfg.rs:18:21: 18:63 (#3), + }, + Punct { + ch: '#', + spacing: Alone, + span: $DIR/macro-rules-derive-cfg.rs:23:13: 23:14 (#0), + }, + Group { + delimiter: Bracket, + stream: TokenStream [ + Ident { + ident: "rustc_dummy", + span: $DIR/macro-rules-derive-cfg.rs:23:36: 23:47 (#0), + }, + Group { + delimiter: Parenthesis, + stream: TokenStream [ + Ident { + ident: "second", + span: $DIR/macro-rules-derive-cfg.rs:23:48: 23:54 (#0), + }, + ], + span: $DIR/macro-rules-derive-cfg.rs:23:47: 23:55 (#0), + }, + ], + span: $DIR/macro-rules-derive-cfg.rs:23:14: 23:57 (#0), }, Group { delimiter: Brace, stream: TokenStream [ - Ident { - ident: "let", - span: $DIR/macro-rules-derive-cfg.rs:19:17: 19:20 (#3), - }, - Ident { - ident: "a", - span: $DIR/macro-rules-derive-cfg.rs:19:21: 19:22 (#3), - }, - Punct { - ch: '=', - spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:19:23: 19:24 (#3), - }, Punct { ch: '#', + spacing: Joint, + span: $DIR/macro-rules-derive-cfg.rs:24:5: 24:6 (#0), + }, + Punct { + ch: '!', spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:19:25: 19:26 (#3), + span: $DIR/macro-rules-derive-cfg.rs:24:6: 24:7 (#0), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "rustc_dummy", - span: $DIR/macro-rules-derive-cfg.rs:19:48: 19:59 (#3), + span: $DIR/macro-rules-derive-cfg.rs:24:29: 24:40 (#0), }, Group { delimiter: Parenthesis, stream: TokenStream [ Ident { - ident: "first", - span: $DIR/macro-rules-derive-cfg.rs:19:60: 19:65 (#3), + ident: "third", + span: $DIR/macro-rules-derive-cfg.rs:24:41: 24:46 (#0), }, ], - span: $DIR/macro-rules-derive-cfg.rs:19:59: 19:66 (#3), + span: $DIR/macro-rules-derive-cfg.rs:24:40: 24:47 (#0), }, ], - span: $DIR/macro-rules-derive-cfg.rs:19:26: 19:68 (#3), + span: $DIR/macro-rules-derive-cfg.rs:24:7: 24:49 (#0), }, Punct { ch: '#', spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:26:13: 26:14 (#0), + span: $DIR/macro-rules-derive-cfg.rs:25:5: 25:6 (#0), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "rustc_dummy", - span: $DIR/macro-rules-derive-cfg.rs:26:36: 26:47 (#0), + span: $DIR/macro-rules-derive-cfg.rs:25:28: 25:39 (#0), }, Group { delimiter: Parenthesis, stream: TokenStream [ Ident { - ident: "second", - span: $DIR/macro-rules-derive-cfg.rs:26:48: 26:54 (#0), + ident: "fourth", + span: $DIR/macro-rules-derive-cfg.rs:25:40: 25:46 (#0), }, ], - span: $DIR/macro-rules-derive-cfg.rs:26:47: 26:55 (#0), + span: $DIR/macro-rules-derive-cfg.rs:25:39: 25:47 (#0), }, ], - span: $DIR/macro-rules-derive-cfg.rs:26:14: 26:57 (#0), - }, - Group { - delimiter: Brace, - stream: TokenStream [ - Punct { - ch: '#', - spacing: Joint, - span: $DIR/macro-rules-derive-cfg.rs:27:5: 27:6 (#0), - }, - Punct { - ch: '!', - spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:27:6: 27:7 (#0), - }, - Group { - delimiter: Bracket, - stream: TokenStream [ - Ident { - ident: "allow", - span: $DIR/macro-rules-derive-cfg.rs:27:29: 27:34 (#0), - }, - Group { - delimiter: Parenthesis, - stream: TokenStream [ - Ident { - ident: "unused", - span: $DIR/macro-rules-derive-cfg.rs:27:35: 27:41 (#0), - }, - ], - span: $DIR/macro-rules-derive-cfg.rs:27:34: 27:42 (#0), - }, - ], - span: $DIR/macro-rules-derive-cfg.rs:27:7: 27:44 (#0), - }, - Literal { - kind: Integer, - symbol: "30", - suffix: None, - span: $DIR/macro-rules-derive-cfg.rs:28:5: 28:7 (#0), - }, - ], - span: $DIR/macro-rules-derive-cfg.rs:26:58: 29:2 (#0), + span: $DIR/macro-rules-derive-cfg.rs:25:6: 25:49 (#0), }, Punct { - ch: ';', + ch: '#', spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:19:74: 19:75 (#3), + span: $DIR/macro-rules-derive-cfg.rs:25:5: 25:6 (#0), + }, + Group { + delimiter: Bracket, + stream: TokenStream [ + Ident { + ident: "rustc_dummy", + span: $DIR/macro-rules-derive-cfg.rs:25:28: 25:39 (#0), + }, + Group { + delimiter: Parenthesis, + stream: TokenStream [ + Ident { + ident: "fourth", + span: $DIR/macro-rules-derive-cfg.rs:25:40: 25:46 (#0), + }, + ], + span: $DIR/macro-rules-derive-cfg.rs:25:39: 25:47 (#0), + }, + ], + span: $DIR/macro-rules-derive-cfg.rs:25:6: 25:49 (#0), }, Literal { kind: Integer, - symbol: "0", + symbol: "30", suffix: None, - span: $DIR/macro-rules-derive-cfg.rs:20:17: 20:18 (#3), + span: $DIR/macro-rules-derive-cfg.rs:26:5: 26:7 (#0), }, ], - span: $DIR/macro-rules-derive-cfg.rs:18:25: 21:14 (#3), + span: $DIR/macro-rules-derive-cfg.rs:23:58: 27:2 (#0), }, ], - span: $DIR/macro-rules-derive-cfg.rs:18:18: 21:15 (#3), + span: $DIR/macro-rules-derive-cfg.rs:18:13: 18:70 (#3), }, ], - span: $DIR/macro-rules-derive-cfg.rs:17:20: 22:10 (#3), + span: $DIR/macro-rules-derive-cfg.rs:17:19: 19:10 (#3), + }, + Punct { + ch: ';', + spacing: Alone, + span: $DIR/macro-rules-derive-cfg.rs:19:10: 19:11 (#3), }, ] From 1fdabfbebbb12b2836f91aeec3157fd092f9a8ad Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 21 Aug 2024 14:16:42 +1000 Subject: [PATCH 012/149] Avoid double-handling of attributes in `collect_tokens`. By keeping track of attributes that have been previously processed. This fixes the `macro-rules-derive-cfg.stdout` test, and is necessary for #124141 which removes nonterminals. Also shrink the `SmallVec` inline size used in `IntervalSet`. 2 gives slightly better perf than 4 now that there's an `IntervalSet` in `Parser`, which is cloned reasonably often. --- Cargo.lock | 1 + compiler/rustc_index/src/interval.rs | 2 +- compiler/rustc_parse/Cargo.toml | 1 + .../rustc_parse/src/parser/attr_wrapper.rs | 23 +++++++++++--- compiler/rustc_parse/src/parser/mod.rs | 7 ++++- .../proc-macro/macro-rules-derive-cfg.stdout | 31 ++----------------- 6 files changed, 30 insertions(+), 35 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index a18219b56837..4ce6029afe8a 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4172,6 +4172,7 @@ dependencies = [ "rustc_errors", "rustc_feature", "rustc_fluent_macro", + "rustc_index", "rustc_lexer", "rustc_macros", "rustc_session", diff --git a/compiler/rustc_index/src/interval.rs b/compiler/rustc_index/src/interval.rs index be028feca605..503470f896d0 100644 --- a/compiler/rustc_index/src/interval.rs +++ b/compiler/rustc_index/src/interval.rs @@ -18,7 +18,7 @@ mod tests; #[derive(Debug, Clone)] pub struct IntervalSet { // Start, end - map: SmallVec<[(u32, u32); 4]>, + map: SmallVec<[(u32, u32); 2]>, domain: usize, _data: PhantomData, } diff --git a/compiler/rustc_parse/Cargo.toml b/compiler/rustc_parse/Cargo.toml index b33896154f23..c59ae48a07d0 100644 --- a/compiler/rustc_parse/Cargo.toml +++ b/compiler/rustc_parse/Cargo.toml @@ -12,6 +12,7 @@ rustc_data_structures = { path = "../rustc_data_structures" } rustc_errors = { path = "../rustc_errors" } rustc_feature = { path = "../rustc_feature" } rustc_fluent_macro = { path = "../rustc_fluent_macro" } +rustc_index = { path = "../rustc_index" } rustc_lexer = { path = "../rustc_lexer" } rustc_macros = { path = "../rustc_macros" } rustc_session = { path = "../rustc_session" } diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index a74c87ca2a71..b2abe5464b46 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -256,6 +256,20 @@ impl<'a> Parser<'a> { res? }; + // Ignore any attributes we've previously processed. This happens when + // an inner call to `collect_tokens` returns an AST node and then an + // outer call ends up with the same AST node without any additional + // wrapping layer. + let ret_attrs: AttrVec = ret + .attrs() + .iter() + .cloned() + .filter(|attr| { + let is_unseen = self.capture_state.seen_attrs.insert(attr.id); + is_unseen + }) + .collect(); + // When we're not in "definite capture mode", then skip collecting and // return early if either of the following conditions hold. // - `None`: Our target doesn't support tokens at all (e.g. `NtIdent`). @@ -269,7 +283,7 @@ impl<'a> Parser<'a> { // tokens. let definite_capture_mode = self.capture_cfg && matches!(self.capture_state.capturing, Capturing::Yes) - && has_cfg_or_cfg_attr(ret.attrs()); + && has_cfg_or_cfg_attr(&ret_attrs); if !definite_capture_mode && matches!(ret.tokens_mut(), None | Some(Some(_))) { return Ok(ret); } @@ -289,7 +303,7 @@ impl<'a> Parser<'a> { // outer and inner attributes. So this check is more precise than // the earlier `needs_tokens` check, and we don't need to // check `R::SUPPORTS_CUSTOM_INNER_ATTRS`.) - || needs_tokens(ret.attrs()) + || needs_tokens(&ret_attrs) // - We are in "definite capture mode", which requires that there // are `#[cfg]` or `#[cfg_attr]` attributes. (During normal // non-`capture_cfg` parsing, we don't need any special capturing @@ -328,7 +342,7 @@ impl<'a> Parser<'a> { // `Parser::parse_inner_attributes`, and pair them in a `ParserReplacement` with `None`, // which means the relevant tokens will be removed. (More details below.) let mut inner_attr_parser_replacements = Vec::new(); - for attr in ret.attrs() { + for attr in ret_attrs.iter() { if attr.style == ast::AttrStyle::Inner { if let Some(inner_attr_parser_range) = self.capture_state.inner_attr_parser_ranges.remove(&attr.id) @@ -418,7 +432,7 @@ impl<'a> Parser<'a> { // cfg-expand this AST node. let start_pos = if has_outer_attrs { attrs.start_pos.unwrap() } else { collect_pos.start_pos }; - let target = AttrsTarget { attrs: ret.attrs().iter().cloned().collect(), tokens }; + let target = AttrsTarget { attrs: ret_attrs, tokens }; tokens_used = true; self.capture_state .parser_replacements @@ -428,6 +442,7 @@ impl<'a> Parser<'a> { // the outermost call to this method. self.capture_state.parser_replacements.clear(); self.capture_state.inner_attr_parser_ranges.clear(); + self.capture_state.seen_attrs.clear(); } assert!(tokens_used); // check we didn't create `tokens` unnecessarily Ok(ret) diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index b72957ace521..3ffc5fa40110 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -35,6 +35,7 @@ use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; use rustc_errors::{Applicability, Diag, FatalError, MultiSpan, PResult}; +use rustc_index::interval::IntervalSet; use rustc_session::parse::ParseSess; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; @@ -183,7 +184,7 @@ pub struct Parser<'a> { // This type is used a lot, e.g. it's cloned when matching many declarative macro rules with nonterminals. Make sure // it doesn't unintentionally get bigger. #[cfg(target_pointer_width = "64")] -rustc_data_structures::static_assert_size!(Parser<'_>, 256); +rustc_data_structures::static_assert_size!(Parser<'_>, 288); /// Stores span information about a closure. #[derive(Clone, Debug)] @@ -261,6 +262,9 @@ struct CaptureState { capturing: Capturing, parser_replacements: Vec, inner_attr_parser_ranges: FxHashMap, + // `IntervalSet` is good for perf because attrs are mostly added to this + // set in contiguous ranges. + seen_attrs: IntervalSet, } /// Iterator over a `TokenStream` that produces `Token`s. It's a bit odd that @@ -458,6 +462,7 @@ impl<'a> Parser<'a> { capturing: Capturing::No, parser_replacements: Vec::new(), inner_attr_parser_ranges: Default::default(), + seen_attrs: IntervalSet::new(u32::MAX as usize), }, current_closure: None, recovery: Recovery::Allowed, diff --git a/tests/ui/proc-macro/macro-rules-derive-cfg.stdout b/tests/ui/proc-macro/macro-rules-derive-cfg.stdout index 5205a4adf254..c1e46b50d40c 100644 --- a/tests/ui/proc-macro/macro-rules-derive-cfg.stdout +++ b/tests/ui/proc-macro/macro-rules-derive-cfg.stdout @@ -1,11 +1,9 @@ PRINT-DERIVE INPUT (DISPLAY): struct Foo([bool; #[rustc_dummy(first)] #[rustc_dummy(second)] -{ #![rustc_dummy(third)] #[rustc_dummy(fourth)] #[rustc_dummy(fourth)] 30 }]); +{ #![rustc_dummy(third)] #[rustc_dummy(fourth)] 30 }]); PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo([bool; #[rustc_dummy(first)] #[rustc_dummy(second)] -{ - #! [rustc_dummy(third)] #[rustc_dummy(fourth)] #[rustc_dummy(fourth)] 30 -}]); +{ #! [rustc_dummy(third)] #[rustc_dummy(fourth)] 30 }]); PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "struct", @@ -138,31 +136,6 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ ], span: $DIR/macro-rules-derive-cfg.rs:25:6: 25:49 (#0), }, - Punct { - ch: '#', - spacing: Alone, - span: $DIR/macro-rules-derive-cfg.rs:25:5: 25:6 (#0), - }, - Group { - delimiter: Bracket, - stream: TokenStream [ - Ident { - ident: "rustc_dummy", - span: $DIR/macro-rules-derive-cfg.rs:25:28: 25:39 (#0), - }, - Group { - delimiter: Parenthesis, - stream: TokenStream [ - Ident { - ident: "fourth", - span: $DIR/macro-rules-derive-cfg.rs:25:40: 25:46 (#0), - }, - ], - span: $DIR/macro-rules-derive-cfg.rs:25:39: 25:47 (#0), - }, - ], - span: $DIR/macro-rules-derive-cfg.rs:25:6: 25:49 (#0), - }, Literal { kind: Integer, symbol: "30", From d4bf28c014772f7233fc396992164c72c08fbfd9 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 22 Aug 2024 13:14:40 +1000 Subject: [PATCH 013/149] Optimize `collect_tokens` a little. Use `Cow` to avoid cloning `ret.attrs()` unless necessary. This requires moving some things around to satisfy the borrow checker. --- .../rustc_parse/src/parser/attr_wrapper.rs | 63 ++++++++++++------- 1 file changed, 40 insertions(+), 23 deletions(-) diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index b2abe5464b46..205cca830b2e 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -1,3 +1,4 @@ +use std::borrow::Cow; use std::{iter, mem}; use rustc_ast::token::{Delimiter, Token, TokenKind}; @@ -6,6 +7,7 @@ use rustc_ast::tokenstream::{ Spacing, ToAttrTokenStream, }; use rustc_ast::{self as ast, AttrVec, Attribute, HasAttrs, HasTokens}; +use rustc_data_structures::fx::FxHashSet; use rustc_errors::PResult; use rustc_session::parse::ParseSess; use rustc_span::{sym, Span, DUMMY_SP}; @@ -256,27 +258,40 @@ impl<'a> Parser<'a> { res? }; + // - `None`: Our target doesn't support tokens at all (e.g. `NtIdent`). + // - `Some(None)`: Our target supports tokens and has none. + // - `Some(Some(_))`: Our target already has tokens set (e.g. we've + // parsed something like `#[my_attr] $item`). + let ret_can_hold_tokens = matches!(ret.tokens_mut(), Some(None)); + // Ignore any attributes we've previously processed. This happens when // an inner call to `collect_tokens` returns an AST node and then an // outer call ends up with the same AST node without any additional // wrapping layer. - let ret_attrs: AttrVec = ret - .attrs() - .iter() - .cloned() - .filter(|attr| { - let is_unseen = self.capture_state.seen_attrs.insert(attr.id); - is_unseen - }) - .collect(); + let mut seen_indices = FxHashSet::default(); + for (i, attr) in ret.attrs().iter().enumerate() { + let is_unseen = self.capture_state.seen_attrs.insert(attr.id); + if !is_unseen { + seen_indices.insert(i); + } + } + let ret_attrs: Cow<'_, [Attribute]> = + if seen_indices.is_empty() { + Cow::Borrowed(ret.attrs()) + } else { + let ret_attrs = + ret.attrs() + .iter() + .enumerate() + .filter_map(|(i, attr)| { + if seen_indices.contains(&i) { None } else { Some(attr.clone()) } + }) + .collect(); + Cow::Owned(ret_attrs) + }; // When we're not in "definite capture mode", then skip collecting and - // return early if either of the following conditions hold. - // - `None`: Our target doesn't support tokens at all (e.g. `NtIdent`). - // - `Some(Some(_))`: Our target already has tokens set (e.g. we've - // parsed something like `#[my_attr] $item`). The actual parsing code - // takes care of prepending any attributes to the nonterminal, so we - // don't need to modify the already captured tokens. + // return early if `ret` doesn't support tokens or already has some. // // Note that this check is independent of `force_collect`. There's no // need to collect tokens when we don't support tokens or already have @@ -284,7 +299,7 @@ impl<'a> Parser<'a> { let definite_capture_mode = self.capture_cfg && matches!(self.capture_state.capturing, Capturing::Yes) && has_cfg_or_cfg_attr(&ret_attrs); - if !definite_capture_mode && matches!(ret.tokens_mut(), None | Some(Some(_))) { + if !definite_capture_mode && !ret_can_hold_tokens { return Ok(ret); } @@ -406,12 +421,6 @@ impl<'a> Parser<'a> { }); let mut tokens_used = false; - // If we support tokens and don't already have them, store the newly captured tokens. - if let Some(target_tokens @ None) = ret.tokens_mut() { - tokens_used = true; - *target_tokens = Some(tokens.clone()); - } - // If in "definite capture mode" we need to register a replace range // for the `#[cfg]` and/or `#[cfg_attr]` attrs. This allows us to run // eager cfg-expansion on the captured token stream. @@ -432,7 +441,8 @@ impl<'a> Parser<'a> { // cfg-expand this AST node. let start_pos = if has_outer_attrs { attrs.start_pos.unwrap() } else { collect_pos.start_pos }; - let target = AttrsTarget { attrs: ret_attrs, tokens }; + let target = + AttrsTarget { attrs: ret_attrs.iter().cloned().collect(), tokens: tokens.clone() }; tokens_used = true; self.capture_state .parser_replacements @@ -444,6 +454,13 @@ impl<'a> Parser<'a> { self.capture_state.inner_attr_parser_ranges.clear(); self.capture_state.seen_attrs.clear(); } + + // If we support tokens and don't already have them, store the newly captured tokens. + if let Some(target_tokens @ None) = ret.tokens_mut() { + tokens_used = true; + *target_tokens = Some(tokens); + } + assert!(tokens_used); // check we didn't create `tokens` unnecessarily Ok(ret) } From 44fac8934a3b92cc4bfb87dead31f90aa75683ee Mon Sep 17 00:00:00 2001 From: binarycat Date: Sun, 25 Aug 2024 12:09:58 -0400 Subject: [PATCH 014/149] explain the options curl passes to bootstrap also fixes a discrepency where the rust side doesn't use -L must not be merged before #129134 docs are only on the rust side, since duplicated prose has a tendancy to get out-of-sync, and also because there are talks of removing the python script all together eventually. --- src/bootstrap/bootstrap.py | 4 ++++ src/bootstrap/src/core/download.rs | 19 +++++++++++++++++-- 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index c19134b4594f..1de010dc08a4 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -115,6 +115,10 @@ def _download(path, url, probably_big, verbose, exception): extra_flags = [] if curl_version() > (7, 70): extra_flags = [ "--retry-all-errors" ] + # options should be kept in sync with + # src/bootstrap/src/core/download.rs + # for consistency. + # they are also more compreprensivly explained in that file. run(["curl", option] + extra_flags + [ "-L", # Follow redirect. "-y", "30", "-Y", "10", # timeout if speed is < 10 bytes/sec for > 30 seconds diff --git a/src/bootstrap/src/core/download.rs b/src/bootstrap/src/core/download.rs index b5c55854eff5..038ca320e6b6 100644 --- a/src/bootstrap/src/core/download.rs +++ b/src/bootstrap/src/core/download.rs @@ -227,20 +227,35 @@ impl Config { fn download_http_with_retries(&self, tempfile: &Path, url: &str, help_on_error: &str) { println!("downloading {url}"); // Try curl. If that fails and we are on windows, fallback to PowerShell. + // options should be kept in sync with + // src/bootstrap/src/core/download.rs + // for consistency let mut curl = command("curl"); curl.args([ + // follow redirect + "-L", + // timeout if speed is < 10 bytes/sec for > 30 seconds "-y", "30", "-Y", - "10", // timeout if speed is < 10 bytes/sec for > 30 seconds + "10", + // timeout if cannot connect within 30 seconds "--connect-timeout", - "30", // timeout if cannot connect within 30 seconds + "30", + // output file "-o", tempfile.to_str().unwrap(), + // if there is an error, don't restart the download, + // instead continue where it left off. "--continue-at", "-", + // retry up to 3 times. note that this means a maximum of 4 + // attempts will be made, since the first attempt isn't a *re*try. "--retry", "3", + // -S: show errors, even if -s is specified + // -R: set timestamp of downloaded file to that of the server + // -f: fail on non-ok http status "-SRf", ]); // Don't print progress in CI; the \r wrapping looks bad and downloads don't take long enough for progress to be useful. From 1ef4f5d9248b3885035cfd269cca050b6d94c3dc Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 27 Aug 2024 12:21:35 +0200 Subject: [PATCH 015/149] clarify that addr_of creates read-only pointers --- library/core/src/ptr/mod.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 859fad9e069c..b83a18027193 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -2285,6 +2285,10 @@ impl fmt::Debug for F { /// `addr_of!(expr)` is equivalent to `&raw const expr`. The macro is *soft-deprecated*; /// use `&raw const` instead. /// +/// It is still an open question whether writing through an `addr_of!`-created pointer is permitted +/// or not. Until that is decided, the same rules as for shared references apply: it is UB to write +/// through a pointer created with this operation, except for bytes located inside an `UnsafeCell`. +/// /// Creating a reference with `&`/`&mut` is only allowed if the pointer is properly aligned /// and points to initialized data. For cases where those requirements do not hold, /// raw pointers should be used instead. However, `&expr as *const _` creates a reference From b5bd0fe48a0427a82804759a5acd795851c65e4b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 27 Aug 2024 15:08:45 +0200 Subject: [PATCH 016/149] addr_of on places derived from raw pointers should preserve permissions --- library/core/src/ptr/mod.rs | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index b83a18027193..5a9c5ed5be3b 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -2285,9 +2285,13 @@ impl fmt::Debug for F { /// `addr_of!(expr)` is equivalent to `&raw const expr`. The macro is *soft-deprecated*; /// use `&raw const` instead. /// -/// It is still an open question whether writing through an `addr_of!`-created pointer is permitted -/// or not. Until that is decided, the same rules as for shared references apply: it is UB to write -/// through a pointer created with this operation, except for bytes located inside an `UnsafeCell`. +/// It is still an open question under which conditions writing through an `addr_of!`-created +/// pointer is permitted. If the place `expr` evaluates to is based on a raw pointer, then the +/// result of `addr_of!` inherits all permissions from that raw pointer. However, if the place is +/// based on a reference, local variable, or `static`, then until all details are decided, the same +/// rules as for shared references apply: it is UB to write through a pointer created with this +/// operation, except for bytes located inside an `UnsafeCell`. Use `&raw mut` (or [`addr_of_mut`]) +/// to create a raw pointer that definitely permits mutation. /// /// Creating a reference with `&`/`&mut` is only allowed if the pointer is properly aligned /// and points to initialized data. For cases where those requirements do not hold, From 21edc735170642d541adb5a2a4c07159e75f8cb0 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Fri, 30 Aug 2024 15:31:49 +1000 Subject: [PATCH 017/149] bootstrap: Try to track down why `initial_libdir` sometimes fails Determining this path occasionally fails locally for unknown reasons, resulting in the build failing with an unhelpful `StripPrefixError(())` panic message. In order to track down why that's happening, include some relevant information in the panic message when that failure occurs. --- src/bootstrap/src/lib.rs | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 268392c5fb11..4cb2e343730c 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -332,14 +332,20 @@ impl Build { .trim() .to_string(); - let initial_libdir = initial_target_dir - .parent() - .unwrap() - .parent() - .unwrap() - .strip_prefix(&initial_sysroot) - .unwrap() - .to_path_buf(); + // FIXME(Zalathar): Determining this path occasionally fails locally for + // unknown reasons, so we print some extra context to help track down why. + let find_initial_libdir = || { + let initial_libdir = + initial_target_dir.parent()?.parent()?.strip_prefix(&initial_sysroot).ok()?; + Some(initial_libdir.to_path_buf()) + }; + let Some(initial_libdir) = find_initial_libdir() else { + panic!( + "couldn't determine `initial_libdir` \ + from target dir {initial_target_dir:?} \ + and sysroot {initial_sysroot:?}" + ) + }; let version = std::fs::read_to_string(src.join("src").join("version")) .expect("failed to read src/version"); From 39e3adda53a01a90056392c1d75308a48a40024b Mon Sep 17 00:00:00 2001 From: Lukas Wirth Date: Fri, 30 Aug 2024 12:27:04 +0200 Subject: [PATCH 018/149] Make `./x.py compiler/` aware of the crate's features --- src/bootstrap/src/core/build_steps/check.rs | 2 +- src/bootstrap/src/core/build_steps/clippy.rs | 2 +- src/bootstrap/src/core/build_steps/compile.rs | 5 +++-- src/bootstrap/src/core/build_steps/doc.rs | 2 +- src/bootstrap/src/core/build_steps/test.rs | 2 +- src/bootstrap/src/core/metadata.rs | 10 +++++++++- src/bootstrap/src/lib.rs | 19 ++++++++++++++----- 7 files changed, 30 insertions(+), 12 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/check.rs b/src/bootstrap/src/core/build_steps/check.rs index 7f7faf077d04..ba12e64c4a26 100644 --- a/src/bootstrap/src/core/build_steps/check.rs +++ b/src/bootstrap/src/core/build_steps/check.rs @@ -228,7 +228,7 @@ impl Step for Rustc { self.override_build_kind.unwrap_or(builder.kind), ); - rustc_cargo(builder, &mut cargo, target, &compiler); + rustc_cargo(builder, &mut cargo, target, &compiler, &self.crates); // For ./x.py clippy, don't run with --all-targets because // linting tests and benchmarks can produce very noisy results diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs index a2bb03cd5ac8..a0992350722f 100644 --- a/src/bootstrap/src/core/build_steps/clippy.rs +++ b/src/bootstrap/src/core/build_steps/clippy.rs @@ -197,7 +197,7 @@ impl Step for Rustc { Kind::Clippy, ); - rustc_cargo(builder, &mut cargo, target, &compiler); + rustc_cargo(builder, &mut cargo, target, &compiler, &self.crates); // Explicitly pass -p for all compiler crates -- this will force cargo // to also lint the tests/benches/examples for these crates, rather diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index edf18e2ebf33..3d2f3a4b2e4e 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -983,7 +983,7 @@ impl Step for Rustc { Kind::Build, ); - rustc_cargo(builder, &mut cargo, target, &compiler); + rustc_cargo(builder, &mut cargo, target, &compiler, &self.crates); // NB: all RUSTFLAGS should be added to `rustc_cargo()` so they will be // consistently applied by check/doc/test modes too. @@ -1042,10 +1042,11 @@ pub fn rustc_cargo( cargo: &mut Cargo, target: TargetSelection, compiler: &Compiler, + crates: &[String], ) { cargo .arg("--features") - .arg(builder.rustc_features(builder.kind, target)) + .arg(builder.rustc_features(builder.kind, target, crates)) .arg("--manifest-path") .arg(builder.src.join("compiler/rustc/Cargo.toml")); diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index ffb617c642ba..f604cdbe2791 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -826,7 +826,7 @@ impl Step for Rustc { // see https://github.com/rust-lang/rust/pull/122066#issuecomment-1983049222 // cargo.rustdocflag("--generate-link-to-definition"); - compile::rustc_cargo(builder, &mut cargo, target, &compiler); + compile::rustc_cargo(builder, &mut cargo, target, &compiler, &self.crates); cargo.arg("-Zskip-rustdoc-fingerprint"); // Only include compiler crates, no dependencies of those, such as `libc`. diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index cc01afd4c18c..af5734de9694 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -2692,7 +2692,7 @@ impl Step for Crate { } } Mode::Rustc => { - compile::rustc_cargo(builder, &mut cargo, target, &compiler); + compile::rustc_cargo(builder, &mut cargo, target, &compiler, &self.crates); } _ => panic!("can only test libraries"), }; diff --git a/src/bootstrap/src/core/metadata.rs b/src/bootstrap/src/core/metadata.rs index 1016607fc831..d665544f5933 100644 --- a/src/bootstrap/src/core/metadata.rs +++ b/src/bootstrap/src/core/metadata.rs @@ -1,3 +1,4 @@ +use std::collections::BTreeMap; use std::path::PathBuf; use serde_derive::Deserialize; @@ -21,6 +22,7 @@ struct Package { manifest_path: String, dependencies: Vec, targets: Vec, + features: BTreeMap>, } /// For more information, see the output of @@ -51,7 +53,13 @@ pub fn build(build: &mut Build) { .map(|dep| dep.name) .collect(); let has_lib = package.targets.iter().any(|t| t.kind.iter().any(|k| k == "lib")); - let krate = Crate { name: name.clone(), deps, path, has_lib }; + let krate = Crate { + name: name.clone(), + deps, + path, + has_lib, + features: package.features.keys().cloned().collect(), + }; let relative_path = krate.local_path(build); build.crates.insert(name.clone(), krate); let existing_path = build.crate_paths.insert(relative_path, name); diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 268392c5fb11..fe013b0fd021 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -183,6 +183,7 @@ struct Crate { deps: HashSet, path: PathBuf, has_lib: bool, + features: Vec, } impl Crate { @@ -666,16 +667,24 @@ impl Build { } /// Gets the space-separated set of activated features for the compiler. - fn rustc_features(&self, kind: Kind, target: TargetSelection) -> String { + fn rustc_features(&self, kind: Kind, target: TargetSelection, crates: &[String]) -> String { + let possible_features_by_crates: HashSet<_> = crates + .iter() + .flat_map(|krate| &self.crates[krate].features) + .map(std::ops::Deref::deref) + .collect(); + let check = |feature: &str| -> bool { + crates.is_empty() || possible_features_by_crates.contains(feature) + }; let mut features = vec![]; - if self.config.jemalloc { + if self.config.jemalloc && check("jemalloc") { features.push("jemalloc"); } - if self.config.llvm_enabled(target) || kind == Kind::Check { + if (self.config.llvm_enabled(target) || kind == Kind::Check) && check("llvm") { features.push("llvm"); } // keep in sync with `bootstrap/compile.rs:rustc_cargo_env` - if self.config.rustc_parallel { + if self.config.rustc_parallel && check("rustc_use_parallel_compiler") { features.push("rustc_use_parallel_compiler"); } @@ -684,7 +693,7 @@ impl Build { // which is everything (including debug/trace/etc.) // if its unset, if debug_assertions is on, then debug_logging will also be on // as well as tracing *ignoring* this feature when debug_assertions is on - if !self.config.rust_debug_logging { + if !self.config.rust_debug_logging && check("max_level_info") { features.push("max_level_info"); } From b324fcb169cbb952a5ef87fe00989666a9695d89 Mon Sep 17 00:00:00 2001 From: Rajveer Date: Fri, 23 Aug 2024 18:33:59 +0530 Subject: [PATCH 019/149] [testsuite][cleanup] Remove all usages of `dont_merge` hack to avoid function merging Resolves #129438 The `-Zmerge-functions=disabled` compile flag exists for this purpose. --- tests/assembly/asm/aarch64-modifiers.rs | 7 +------ tests/assembly/asm/aarch64-types.rs | 13 +------------ tests/assembly/asm/arm-modifiers.rs | 7 +------ tests/assembly/asm/arm-types.rs | 13 +------------ tests/assembly/asm/hexagon-types.rs | 25 +------------------------ tests/assembly/asm/loongarch-type.rs | 10 +--------- tests/assembly/asm/mips-types.rs | 10 +--------- tests/assembly/asm/powerpc-types.rs | 10 +--------- tests/assembly/asm/riscv-types.rs | 13 +------------ tests/assembly/asm/s390x-types.rs | 10 +--------- tests/assembly/asm/x86-modifiers.rs | 7 +------ tests/assembly/asm/x86-types.rs | 13 +------------ 12 files changed, 12 insertions(+), 126 deletions(-) diff --git a/tests/assembly/asm/aarch64-modifiers.rs b/tests/assembly/asm/aarch64-modifiers.rs index b7ef1d77ea02..a4a41dd96c16 100644 --- a/tests/assembly/asm/aarch64-modifiers.rs +++ b/tests/assembly/asm/aarch64-modifiers.rs @@ -1,6 +1,7 @@ //@ assembly-output: emit-asm //@ compile-flags: -O -C panic=abort //@ compile-flags: --target aarch64-unknown-linux-gnu +//@ compile-flags: -Zmerge-functions=disabled //@ needs-llvm-components: aarch64 #![feature(no_core, lang_items, rustc_attrs)] @@ -29,12 +30,6 @@ macro_rules! check { // -O and extern "C" guarantee that the selected register is always r0/s0/d0/q0 #[no_mangle] pub unsafe extern "C" fn $func() -> i32 { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!($code, out($reg) y); y diff --git a/tests/assembly/asm/aarch64-types.rs b/tests/assembly/asm/aarch64-types.rs index f36345670e32..cf1882ba1a22 100644 --- a/tests/assembly/asm/aarch64-types.rs +++ b/tests/assembly/asm/aarch64-types.rs @@ -4,6 +4,7 @@ //@ [aarch64] needs-llvm-components: aarch64 //@ [arm64ec] compile-flags: --target arm64ec-pc-windows-msvc //@ [arm64ec] needs-llvm-components: aarch64 +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_experimental_arch, f16, f128)] #![crate_type = "rlib"] @@ -132,12 +133,6 @@ macro_rules! check { // LLVM issue: #[no_mangle] pub unsafe fn $func(inp: &$ty, out: &mut $ty) { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let x = *inp; let y; asm!( @@ -155,12 +150,6 @@ macro_rules! check_reg { // FIXME(f16_f128): See FIXME in `check!` #[no_mangle] pub unsafe fn $func(inp: &$ty, out: &mut $ty) { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let x = *inp; let y; asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); diff --git a/tests/assembly/asm/arm-modifiers.rs b/tests/assembly/asm/arm-modifiers.rs index 0674e169d72e..d421e0e6954c 100644 --- a/tests/assembly/asm/arm-modifiers.rs +++ b/tests/assembly/asm/arm-modifiers.rs @@ -2,6 +2,7 @@ //@ compile-flags: -O -C panic=abort //@ compile-flags: --target armv7-unknown-linux-gnueabihf //@ compile-flags: -C target-feature=+neon +//@ compile-flags: -Zmerge-functions=disabled //@ needs-llvm-components: arm #![feature(no_core, lang_items, rustc_attrs, repr_simd)] @@ -40,12 +41,6 @@ macro_rules! check { // -O and extern "C" guarantee that the selected register is always r0/s0/d0/q0 #[no_mangle] pub unsafe extern "C" fn $func() -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " {0:", $modifier, "}, {0:", $modifier, "}"), out($reg) y); y diff --git a/tests/assembly/asm/arm-types.rs b/tests/assembly/asm/arm-types.rs index eeff1a070b49..448b92aa8399 100644 --- a/tests/assembly/asm/arm-types.rs +++ b/tests/assembly/asm/arm-types.rs @@ -2,6 +2,7 @@ //@ assembly-output: emit-asm //@ compile-flags: --target armv7-unknown-linux-gnueabihf //@ compile-flags: -C opt-level=0 +//@ compile-flags: -Zmerge-functions=disabled //@[d32] compile-flags: -C target-feature=+d32 //@[neon] compile-flags: -C target-feature=+neon --cfg d32 //@[neon] filecheck-flags: --check-prefix d32 @@ -114,12 +115,6 @@ macro_rules! check { ($func:ident $ty:ident $class:ident $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " {}, {}"), out($class) y, in($class) x); y @@ -131,12 +126,6 @@ macro_rules! check_reg { ($func:ident $ty:ident $reg:tt $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); y diff --git a/tests/assembly/asm/hexagon-types.rs b/tests/assembly/asm/hexagon-types.rs index 269c7582a1ce..9389fcf9cbac 100644 --- a/tests/assembly/asm/hexagon-types.rs +++ b/tests/assembly/asm/hexagon-types.rs @@ -1,5 +1,6 @@ //@ assembly-output: emit-asm //@ compile-flags: --target hexagon-unknown-linux-musl +//@ compile-flags: -Zmerge-functions=disabled //@ needs-llvm-components: hexagon #![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_experimental_arch)] @@ -41,12 +42,6 @@ macro_rules! check { ($func:ident $ty:ident $class:ident) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!("{} = {}", out($class) y, in($class) x); y @@ -58,12 +53,6 @@ macro_rules! check_reg { ($func:ident $ty:ident $reg:tt) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($reg, " = ", $reg), lateout($reg) y, in($reg) x); y @@ -77,12 +66,6 @@ macro_rules! check_reg { // CHECK: InlineAsm End #[no_mangle] pub unsafe fn sym_static() { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - asm!("r0 = #{}", sym extern_static); } @@ -92,12 +75,6 @@ pub unsafe fn sym_static() { // CHECK: InlineAsm End #[no_mangle] pub unsafe fn sym_fn() { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - asm!("r0 = #{}", sym extern_func); } diff --git a/tests/assembly/asm/loongarch-type.rs b/tests/assembly/asm/loongarch-type.rs index e4c46cfcf81b..1b097f411050 100644 --- a/tests/assembly/asm/loongarch-type.rs +++ b/tests/assembly/asm/loongarch-type.rs @@ -1,5 +1,6 @@ //@ assembly-output: emit-asm //@ compile-flags: --target loongarch64-unknown-linux-gnu +//@ compile-flags: -Zmerge-functions=disabled //@ needs-llvm-components: loongarch #![feature(no_core, lang_items, rustc_attrs, asm_experimental_arch)] @@ -39,11 +40,6 @@ extern "C" { static extern_static: u8; } -// Hack to avoid function merging -extern "Rust" { - fn dont_merge(s: &str); -} - // CHECK-LABEL: sym_fn: // CHECK: #APP // CHECK: pcalau12i $t0, %got_pc_hi20(extern_func) @@ -67,8 +63,6 @@ pub unsafe fn sym_static() { macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov," {}, {}"), out($class) y, in($class) x); y @@ -78,8 +72,6 @@ macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { macro_rules! check_reg { ($func:ident, $ty:ty, $reg:tt, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); y diff --git a/tests/assembly/asm/mips-types.rs b/tests/assembly/asm/mips-types.rs index bd62f4a5236c..f40a28be4a7e 100644 --- a/tests/assembly/asm/mips-types.rs +++ b/tests/assembly/asm/mips-types.rs @@ -4,6 +4,7 @@ //@[mips32] needs-llvm-components: mips //@[mips64] compile-flags: --target mips64-unknown-linux-gnuabi64 //@[mips64] needs-llvm-components: mips +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_experimental_arch)] #![crate_type = "rlib"] @@ -43,16 +44,9 @@ extern "C" { static extern_static: u8; } -// Hack to avoid function merging -extern "Rust" { - fn dont_merge(s: &str); -} - macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov," {}, {}"), out($class) y, in($class) x); y @@ -62,8 +56,6 @@ macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { macro_rules! check_reg { ($func:ident, $ty:ty, $reg:tt, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); y diff --git a/tests/assembly/asm/powerpc-types.rs b/tests/assembly/asm/powerpc-types.rs index bc8af08ad113..85321e5f345a 100644 --- a/tests/assembly/asm/powerpc-types.rs +++ b/tests/assembly/asm/powerpc-types.rs @@ -4,6 +4,7 @@ //@[powerpc] needs-llvm-components: powerpc //@[powerpc64] compile-flags: --target powerpc64-unknown-linux-gnu //@[powerpc64] needs-llvm-components: powerpc +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_experimental_arch)] #![crate_type = "rlib"] @@ -43,16 +44,9 @@ extern "C" { static extern_static: u8; } -// Hack to avoid function merging -extern "Rust" { - fn dont_merge(s: &str); -} - macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov," {}, {}"), out($class) y, in($class) x); y @@ -62,8 +56,6 @@ macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { macro_rules! check_reg { ($func:ident, $ty:ty, $rego:tt, $regc:tt, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " ", $rego, ", ", $rego), lateout($regc) y, in($regc) x); y diff --git a/tests/assembly/asm/riscv-types.rs b/tests/assembly/asm/riscv-types.rs index 51b3aaf99d94..1f5d7d85b0ad 100644 --- a/tests/assembly/asm/riscv-types.rs +++ b/tests/assembly/asm/riscv-types.rs @@ -27,6 +27,7 @@ //@[riscv32-zfh] filecheck-flags: --check-prefix zfhmin //@ compile-flags: -C target-feature=+d +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs, f16)] #![crate_type = "rlib"] @@ -90,12 +91,6 @@ macro_rules! check { ($func:ident $ty:ident $class:ident $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " {}, {}"), out($class) y, in($class) x); y @@ -107,12 +102,6 @@ macro_rules! check_reg { ($func:ident $ty:ident $reg:tt $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); y diff --git a/tests/assembly/asm/s390x-types.rs b/tests/assembly/asm/s390x-types.rs index 661907360bd2..e68b18d7aa69 100644 --- a/tests/assembly/asm/s390x-types.rs +++ b/tests/assembly/asm/s390x-types.rs @@ -2,6 +2,7 @@ //@ assembly-output: emit-asm //@[s390x] compile-flags: --target s390x-unknown-linux-gnu //@[s390x] needs-llvm-components: systemz +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_experimental_arch)] #![crate_type = "rlib"] @@ -42,16 +43,9 @@ extern "C" { static extern_static: u8; } -// Hack to avoid function merging -extern "Rust" { - fn dont_merge(s: &str); -} - macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov," {}, {}"), out($class) y, in($class) x); y @@ -61,8 +55,6 @@ macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { macro_rules! check_reg { ($func:ident, $ty:ty, $reg:tt, $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " %", $reg, ", %", $reg), lateout($reg) y, in($reg) x); y diff --git a/tests/assembly/asm/x86-modifiers.rs b/tests/assembly/asm/x86-modifiers.rs index c5e393b10564..5a48af9205f7 100644 --- a/tests/assembly/asm/x86-modifiers.rs +++ b/tests/assembly/asm/x86-modifiers.rs @@ -7,6 +7,7 @@ //@[i686] needs-llvm-components: x86 //@ compile-flags: -C llvm-args=--x86-asm-syntax=intel //@ compile-flags: -C target-feature=+avx512bw +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs)] #![crate_type = "rlib"] @@ -38,12 +39,6 @@ macro_rules! check { // -O and extern "C" guarantee that the selected register is always ax/xmm0 #[no_mangle] pub unsafe extern "C" fn $func() -> i32 { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " {0:", $modifier, "}, {0:", $modifier, "}"), out($reg) y); y diff --git a/tests/assembly/asm/x86-types.rs b/tests/assembly/asm/x86-types.rs index 8e229614420b..a40bc10d9915 100644 --- a/tests/assembly/asm/x86-types.rs +++ b/tests/assembly/asm/x86-types.rs @@ -6,6 +6,7 @@ //@[i686] needs-llvm-components: x86 //@ compile-flags: -C llvm-args=--x86-asm-syntax=intel //@ compile-flags: -C target-feature=+avx512bw +//@ compile-flags: -Zmerge-functions=disabled #![feature(no_core, lang_items, rustc_attrs, repr_simd, f16, f128)] #![crate_type = "rlib"] @@ -283,12 +284,6 @@ macro_rules! check { ($func:ident $ty:ident $class:ident $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " {}, {}"), lateout($class) y, in($class) x); y @@ -300,12 +295,6 @@ macro_rules! check_reg { ($func:ident $ty:ident $reg:tt $mov:literal) => { #[no_mangle] pub unsafe fn $func(x: $ty) -> $ty { - // Hack to avoid function merging - extern "Rust" { - fn dont_merge(s: &str); - } - dont_merge(stringify!($func)); - let y; asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); y From 384aed834cd83bdd0e93a2ef5690d3e44bf15856 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 1 Sep 2024 05:33:02 -0400 Subject: [PATCH 020/149] Do not call query to compute coroutine layout for synthetic body of async closure --- compiler/rustc_mir_transform/src/validate.rs | 13 ++++++++++++- .../async-closures/validate-synthetic-body.rs | 19 +++++++++++++++++++ 2 files changed, 31 insertions(+), 1 deletion(-) create mode 100644 tests/ui/async-await/async-closures/validate-synthetic-body.rs diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 99e06f59dd04..80410c6d690d 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -1,6 +1,7 @@ //! Validates the MIR to ensure that invariants are upheld. use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_hir as hir; use rustc_hir::LangItem; use rustc_index::bit_set::BitSet; use rustc_index::IndexVec; @@ -714,7 +715,17 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { // since we may be in the process of computing this MIR in the // first place. let layout = if def_id == self.caller_body.source.def_id() { - // FIXME: This is not right for async closures. + self.caller_body.coroutine_layout_raw() + } else if let Some(hir::CoroutineKind::Desugared( + _, + hir::CoroutineSource::Closure, + )) = self.tcx.coroutine_kind(def_id) + && let ty::ClosureKind::FnOnce = + args.as_coroutine().kind_ty().to_opt_closure_kind().unwrap() + && self.caller_body.source.def_id() + == self.tcx.coroutine_by_move_body_def_id(def_id) + { + // Same if this is the by-move body of a coroutine-closure. self.caller_body.coroutine_layout_raw() } else { self.tcx.coroutine_layout(def_id, args.as_coroutine().kind_ty()) diff --git a/tests/ui/async-await/async-closures/validate-synthetic-body.rs b/tests/ui/async-await/async-closures/validate-synthetic-body.rs new file mode 100644 index 000000000000..67e683ac08a2 --- /dev/null +++ b/tests/ui/async-await/async-closures/validate-synthetic-body.rs @@ -0,0 +1,19 @@ +//@ check-pass +//@ edition: 2021 + +#![feature(async_closure)] + +// Make sure that we don't hit a query cycle when validating +// the by-move coroutine body for an async closure. + +use std::future::Future; + +async fn test(operation: impl Fn() -> Fut) { + operation().await; +} + +pub async fn orchestrate_simple_crud() { + test(async || async {}.await).await; +} + +fn main() {} From 4ee58db2f10d370f8e7ccc4b1409440342f01c3e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Mateusz=20Miku=C5=82a?= Date: Sun, 25 Aug 2024 13:33:50 +0200 Subject: [PATCH 021/149] Upgrade CI's mingw-w64 toolchain --- src/ci/scripts/install-mingw.sh | 4 ++-- tests/debuginfo/by-value-non-immediate-argument.rs | 1 + tests/debuginfo/method-on-enum.rs | 2 ++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh index 31aa3785bc36..91eab2e7a081 100755 --- a/src/ci/scripts/install-mingw.sh +++ b/src/ci/scripts/install-mingw.sh @@ -6,8 +6,8 @@ IFS=$'\n\t' source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" -MINGW_ARCHIVE_32="i686-12.2.0-release-posix-dwarf-rt_v10-rev0.7z" -MINGW_ARCHIVE_64="x86_64-12.2.0-release-posix-seh-rt_v10-rev0.7z" +MINGW_ARCHIVE_32="i686-14.1.0-release-posix-dwarf-msvcrt-rt_v12-rev0.7z" +MINGW_ARCHIVE_64="x86_64-14.1.0-release-posix-seh-msvcrt-rt_v12-rev0.7z" if isWindows && isKnownToBeMingwBuild; then case "${CI_JOB_NAME}" in diff --git a/tests/debuginfo/by-value-non-immediate-argument.rs b/tests/debuginfo/by-value-non-immediate-argument.rs index f0a39a45195a..192f6efe7db6 100644 --- a/tests/debuginfo/by-value-non-immediate-argument.rs +++ b/tests/debuginfo/by-value-non-immediate-argument.rs @@ -1,6 +1,7 @@ //@ min-lldb-version: 1800 //@ min-gdb-version: 13.0 //@ compile-flags:-g +//@ ignore-windows-gnu: #128973 // === GDB TESTS =================================================================================== diff --git a/tests/debuginfo/method-on-enum.rs b/tests/debuginfo/method-on-enum.rs index a570144450d7..754b4a2dc26c 100644 --- a/tests/debuginfo/method-on-enum.rs +++ b/tests/debuginfo/method-on-enum.rs @@ -3,6 +3,8 @@ //@ compile-flags:-g +//@ ignore-windows-gnu: #128973 + // === GDB TESTS =================================================================================== // gdb-command:run From 19908ff7a37a9a431399bb6f2868efc22820f2b6 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 25 Aug 2024 15:15:15 +0200 Subject: [PATCH 022/149] stabilize const_float_bits_conv --- library/core/src/lib.rs | 3 +- library/core/src/num/f128.rs | 16 +-- library/core/src/num/f16.rs | 16 +-- library/core/src/num/f32.rs | 16 +-- library/core/src/num/f64.rs | 16 +-- .../clippy/clippy_lints/src/transmute/mod.rs | 6 +- .../src/transmute/transmute_float_to_int.rs | 3 +- .../src/transmute/transmute_int_to_float.rs | 3 +- .../src/transmute/transmute_num_to_bytes.rs | 6 - src/tools/clippy/tests/ui/transmute.rs | 12 ++ src/tools/clippy/tests/ui/transmute.stderr | 112 ++++++++++++++---- .../tests/ui/transmute_float_to_int.fixed | 28 +++-- .../clippy/tests/ui/transmute_float_to_int.rs | 12 +- .../tests/ui/transmute_float_to_int.stderr | 50 +++++++- tests/ui/consts/const-float-bits-conv.rs | 5 +- tests/ui/consts/const-float-classify.rs | 1 - tests/ui/consts/const-float-classify.stderr | 2 +- 17 files changed, 223 insertions(+), 84 deletions(-) diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 06a745b690a4..c3797c6adc99 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -122,7 +122,6 @@ #![feature(const_cell_into_inner)] #![feature(const_eval_select)] #![feature(const_exact_div)] -#![feature(const_float_bits_conv)] #![feature(const_float_classify)] #![feature(const_fmt_arguments_new)] #![feature(const_hash)] @@ -166,6 +165,8 @@ #![feature(coverage_attribute)] #![feature(do_not_recommend)] #![feature(duration_consts_float)] +#![feature(f128_const)] +#![feature(f16_const)] #![feature(internal_impls_macro)] #![feature(ip)] #![feature(is_ascii_octdigit)] diff --git a/library/core/src/num/f128.rs b/library/core/src/num/f128.rs index d4236e47bfe3..1959628bd8f5 100644 --- a/library/core/src/num/f128.rs +++ b/library/core/src/num/f128.rs @@ -914,7 +914,7 @@ impl f128 { /// ``` #[inline] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_bits(self) -> u128 { // SAFETY: `u128` is a plain old datatype so we can always transmute to it. @@ -963,7 +963,7 @@ impl f128 { #[inline] #[must_use] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] pub const fn from_bits(v: u128) -> Self { // It turns out the safety issues with sNaN were overblown! Hooray! // SAFETY: `u128` is a plain old datatype so we can always transmute from it. @@ -990,7 +990,7 @@ impl f128 { /// ``` #[inline] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_be_bytes(self) -> [u8; 16] { self.to_bits().to_be_bytes() @@ -1016,7 +1016,7 @@ impl f128 { /// ``` #[inline] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_le_bytes(self) -> [u8; 16] { self.to_bits().to_le_bytes() @@ -1053,7 +1053,7 @@ impl f128 { /// ``` #[inline] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_ne_bytes(self) -> [u8; 16] { self.to_bits().to_ne_bytes() @@ -1081,7 +1081,7 @@ impl f128 { #[inline] #[must_use] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] pub const fn from_be_bytes(bytes: [u8; 16]) -> Self { Self::from_bits(u128::from_be_bytes(bytes)) } @@ -1108,7 +1108,7 @@ impl f128 { #[inline] #[must_use] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] pub const fn from_le_bytes(bytes: [u8; 16]) -> Self { Self::from_bits(u128::from_le_bytes(bytes)) } @@ -1145,7 +1145,7 @@ impl f128 { #[inline] #[must_use] #[unstable(feature = "f128", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f128_const", issue = "116909")] pub const fn from_ne_bytes(bytes: [u8; 16]) -> Self { Self::from_bits(u128::from_ne_bytes(bytes)) } diff --git a/library/core/src/num/f16.rs b/library/core/src/num/f16.rs index 1e2f841aca73..9252e8c60155 100644 --- a/library/core/src/num/f16.rs +++ b/library/core/src/num/f16.rs @@ -925,7 +925,7 @@ impl f16 { /// ``` #[inline] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_bits(self) -> u16 { // SAFETY: `u16` is a plain old datatype so we can always transmute to it. @@ -973,7 +973,7 @@ impl f16 { #[inline] #[must_use] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] pub const fn from_bits(v: u16) -> Self { // It turns out the safety issues with sNaN were overblown! Hooray! // SAFETY: `u16` is a plain old datatype so we can always transmute from it. @@ -999,7 +999,7 @@ impl f16 { /// ``` #[inline] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_be_bytes(self) -> [u8; 2] { self.to_bits().to_be_bytes() @@ -1024,7 +1024,7 @@ impl f16 { /// ``` #[inline] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_le_bytes(self) -> [u8; 2] { self.to_bits().to_le_bytes() @@ -1062,7 +1062,7 @@ impl f16 { /// ``` #[inline] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] #[must_use = "this returns the result of the operation, without modifying the original"] pub const fn to_ne_bytes(self) -> [u8; 2] { self.to_bits().to_ne_bytes() @@ -1086,7 +1086,7 @@ impl f16 { #[inline] #[must_use] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] pub const fn from_be_bytes(bytes: [u8; 2]) -> Self { Self::from_bits(u16::from_be_bytes(bytes)) } @@ -1109,7 +1109,7 @@ impl f16 { #[inline] #[must_use] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] pub const fn from_le_bytes(bytes: [u8; 2]) -> Self { Self::from_bits(u16::from_le_bytes(bytes)) } @@ -1143,7 +1143,7 @@ impl f16 { #[inline] #[must_use] #[unstable(feature = "f16", issue = "116909")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_unstable(feature = "f16_const", issue = "116909")] pub const fn from_ne_bytes(bytes: [u8; 2]) -> Self { Self::from_bits(u16::from_ne_bytes(bytes)) } diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index c1adcc753f2e..2bc897224970 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -1115,7 +1115,7 @@ impl f32 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_bits_conv", since = "1.20.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_bits(self) -> u32 { // SAFETY: `u32` is a plain old datatype so we can always transmute to it. @@ -1159,7 +1159,7 @@ impl f32 { /// assert_eq!(v, 12.5); /// ``` #[stable(feature = "float_bits_conv", since = "1.20.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_bits(v: u32) -> Self { @@ -1183,7 +1183,7 @@ impl f32 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_be_bytes(self) -> [u8; 4] { self.to_bits().to_be_bytes() @@ -1204,7 +1204,7 @@ impl f32 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_le_bytes(self) -> [u8; 4] { self.to_bits().to_le_bytes() @@ -1238,7 +1238,7 @@ impl f32 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_ne_bytes(self) -> [u8; 4] { self.to_bits().to_ne_bytes() @@ -1256,7 +1256,7 @@ impl f32 { /// assert_eq!(value, 12.5); /// ``` #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_be_bytes(bytes: [u8; 4]) -> Self { @@ -1275,7 +1275,7 @@ impl f32 { /// assert_eq!(value, 12.5); /// ``` #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_le_bytes(bytes: [u8; 4]) -> Self { @@ -1305,7 +1305,7 @@ impl f32 { /// assert_eq!(value, 12.5); /// ``` #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_ne_bytes(bytes: [u8; 4]) -> Self { diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index e6406771ad33..b3f5be9fc8a4 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -1111,7 +1111,7 @@ impl f64 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_bits_conv", since = "1.20.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_bits(self) -> u64 { // SAFETY: `u64` is a plain old datatype so we can always transmute to it. @@ -1155,7 +1155,7 @@ impl f64 { /// assert_eq!(v, 12.5); /// ``` #[stable(feature = "float_bits_conv", since = "1.20.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_bits(v: u64) -> Self { @@ -1179,7 +1179,7 @@ impl f64 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_be_bytes(self) -> [u8; 8] { self.to_bits().to_be_bytes() @@ -1200,7 +1200,7 @@ impl f64 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_le_bytes(self) -> [u8; 8] { self.to_bits().to_le_bytes() @@ -1234,7 +1234,7 @@ impl f64 { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[inline] pub const fn to_ne_bytes(self) -> [u8; 8] { self.to_bits().to_ne_bytes() @@ -1252,7 +1252,7 @@ impl f64 { /// assert_eq!(value, 12.5); /// ``` #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_be_bytes(bytes: [u8; 8]) -> Self { @@ -1271,7 +1271,7 @@ impl f64 { /// assert_eq!(value, 12.5); /// ``` #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_le_bytes(bytes: [u8; 8]) -> Self { @@ -1301,7 +1301,7 @@ impl f64 { /// assert_eq!(value, 12.5); /// ``` #[stable(feature = "float_to_from_bytes", since = "1.40.0")] - #[rustc_const_unstable(feature = "const_float_bits_conv", issue = "72447")] + #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_ne_bytes(bytes: [u8; 8]) -> Self { diff --git a/src/tools/clippy/clippy_lints/src/transmute/mod.rs b/src/tools/clippy/clippy_lints/src/transmute/mod.rs index 373bf61d8ff9..a2ae36cc484a 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/mod.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/mod.rs @@ -619,10 +619,10 @@ impl<'tcx> LateLintPass<'tcx> for Transmute { | transmute_ref_to_ref::check(cx, e, from_ty, to_ty, arg, const_context) | transmute_ptr_to_ptr::check(cx, e, from_ty, to_ty, arg, &self.msrv) | transmute_int_to_bool::check(cx, e, from_ty, to_ty, arg) - | transmute_int_to_float::check(cx, e, from_ty, to_ty, arg, const_context) + | transmute_int_to_float::check(cx, e, from_ty, to_ty, arg) | transmute_int_to_non_zero::check(cx, e, from_ty, to_ty, arg) - | transmute_float_to_int::check(cx, e, from_ty, to_ty, arg, const_context) - | transmute_num_to_bytes::check(cx, e, from_ty, to_ty, arg, const_context) + | transmute_float_to_int::check(cx, e, from_ty, to_ty, arg) + | transmute_num_to_bytes::check(cx, e, from_ty, to_ty, arg) | (unsound_collection_transmute::check(cx, e, from_ty, to_ty) || transmute_undefined_repr::check(cx, e, from_ty, to_ty)) | (eager_transmute::check(cx, e, arg, from_ty, to_ty)); diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs index ab3bb5e1062d..cb46109c27e2 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs @@ -15,10 +15,9 @@ pub(super) fn check<'tcx>( from_ty: Ty<'tcx>, to_ty: Ty<'tcx>, mut arg: &'tcx Expr<'_>, - const_context: bool, ) -> bool { match (&from_ty.kind(), &to_ty.kind()) { - (ty::Float(float_ty), ty::Int(_) | ty::Uint(_)) if !const_context => { + (ty::Float(float_ty), ty::Int(_) | ty::Uint(_)) => { span_lint_and_then( cx, TRANSMUTE_FLOAT_TO_INT, diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs index d51888e30971..e00fb90c3074 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs @@ -14,10 +14,9 @@ pub(super) fn check<'tcx>( from_ty: Ty<'tcx>, to_ty: Ty<'tcx>, arg: &'tcx Expr<'_>, - const_context: bool, ) -> bool { match (&from_ty.kind(), &to_ty.kind()) { - (ty::Int(_) | ty::Uint(_), ty::Float(_)) if !const_context => { + (ty::Int(_) | ty::Uint(_), ty::Float(_)) => { span_lint_and_then( cx, TRANSMUTE_INT_TO_FLOAT, diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs index 88b0ac5a3688..362f2bb6960a 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs @@ -14,18 +14,12 @@ pub(super) fn check<'tcx>( from_ty: Ty<'tcx>, to_ty: Ty<'tcx>, arg: &'tcx Expr<'_>, - const_context: bool, ) -> bool { match (&from_ty.kind(), &to_ty.kind()) { (ty::Int(_) | ty::Uint(_) | ty::Float(_), ty::Array(arr_ty, _)) => { if !matches!(arr_ty.kind(), ty::Uint(UintTy::U8)) { return false; } - if matches!(from_ty.kind(), ty::Float(_)) && const_context { - // TODO: Remove when const_float_bits_conv is stabilized - // rust#72447 - return false; - } span_lint_and_then( cx, diff --git a/src/tools/clippy/tests/ui/transmute.rs b/src/tools/clippy/tests/ui/transmute.rs index 46629526367e..eeea3f080b1c 100644 --- a/src/tools/clippy/tests/ui/transmute.rs +++ b/src/tools/clippy/tests/ui/transmute.rs @@ -140,24 +140,32 @@ mod int_to_float { mod issue_5747 { const VALUE16: f16 = unsafe { std::mem::transmute(0_u16) }; + //~^ ERROR: transmute from a `u16` to a `f16` const VALUE32: f32 = unsafe { std::mem::transmute(0_u32) }; + //~^ ERROR: transmute from a `u32` to a `f32` const VALUE64: f64 = unsafe { std::mem::transmute(0_i64) }; + //~^ ERROR: transmute from a `i64` to a `f64` const VALUE128: f128 = unsafe { std::mem::transmute(0_i128) }; + //~^ ERROR: transmute from a `i128` to a `f128` const fn from_bits_16(v: i16) -> f16 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `i16` to a `f16` } const fn from_bits_32(v: i32) -> f32 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `i32` to a `f32` } const fn from_bits_64(v: u64) -> f64 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `u64` to a `f64` } const fn from_bits_128(v: u128) -> f128 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `u128` to a `f128` } } } @@ -205,9 +213,13 @@ mod num_to_bytes { //~^ ERROR: transmute from a `i128` to a `[u8; 16]` let _: [u8; 2] = std::mem::transmute(0.0f16); + //~^ ERROR: transmute from a `f16` to a `[u8; 2]` let _: [u8; 4] = std::mem::transmute(0.0f32); + //~^ ERROR: transmute from a `f32` to a `[u8; 4]` let _: [u8; 8] = std::mem::transmute(0.0f64); + //~^ ERROR: transmute from a `f64` to a `[u8; 8]` let _: [u8; 16] = std::mem::transmute(0.0f128); + //~^ ERROR: transmute from a `f128` to a `[u8; 16]` } } } diff --git a/src/tools/clippy/tests/ui/transmute.stderr b/src/tools/clippy/tests/ui/transmute.stderr index 0072f62962a7..41a10f381dc5 100644 --- a/src/tools/clippy/tests/ui/transmute.stderr +++ b/src/tools/clippy/tests/ui/transmute.stderr @@ -148,8 +148,56 @@ error: transmute from a `i128` to a `f128` LL | let _: f128 = unsafe { std::mem::transmute(0_i128) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(0_i128 as u128)` +error: transmute from a `u16` to a `f16` + --> tests/ui/transmute.rs:142:39 + | +LL | const VALUE16: f16 = unsafe { std::mem::transmute(0_u16) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f16::from_bits(0_u16)` + +error: transmute from a `u32` to a `f32` + --> tests/ui/transmute.rs:144:39 + | +LL | const VALUE32: f32 = unsafe { std::mem::transmute(0_u32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)` + +error: transmute from a `i64` to a `f64` + --> tests/ui/transmute.rs:146:39 + | +LL | const VALUE64: f64 = unsafe { std::mem::transmute(0_i64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_i64 as u64)` + +error: transmute from a `i128` to a `f128` + --> tests/ui/transmute.rs:148:41 + | +LL | const VALUE128: f128 = unsafe { std::mem::transmute(0_i128) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(0_i128 as u128)` + +error: transmute from a `i16` to a `f16` + --> tests/ui/transmute.rs:152:22 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f16::from_bits(v as u16)` + +error: transmute from a `i32` to a `f32` + --> tests/ui/transmute.rs:157:22 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(v as u32)` + +error: transmute from a `u64` to a `f64` + --> tests/ui/transmute.rs:162:22 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(v)` + +error: transmute from a `u128` to a `f128` + --> tests/ui/transmute.rs:167:22 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(v)` + error: transmute from a `u8` to a `[u8; 1]` - --> tests/ui/transmute.rs:168:30 + --> tests/ui/transmute.rs:176:30 | LL | let _: [u8; 1] = std::mem::transmute(0u8); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()` @@ -158,97 +206,121 @@ LL | let _: [u8; 1] = std::mem::transmute(0u8); = help: to override `-D warnings` add `#[allow(clippy::transmute_num_to_bytes)]` error: transmute from a `u32` to a `[u8; 4]` - --> tests/ui/transmute.rs:171:30 + --> tests/ui/transmute.rs:179:30 | LL | let _: [u8; 4] = std::mem::transmute(0u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()` error: transmute from a `u128` to a `[u8; 16]` - --> tests/ui/transmute.rs:173:31 + --> tests/ui/transmute.rs:181:31 | LL | let _: [u8; 16] = std::mem::transmute(0u128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()` error: transmute from a `i8` to a `[u8; 1]` - --> tests/ui/transmute.rs:175:30 + --> tests/ui/transmute.rs:183:30 | LL | let _: [u8; 1] = std::mem::transmute(0i8); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()` error: transmute from a `i32` to a `[u8; 4]` - --> tests/ui/transmute.rs:177:30 + --> tests/ui/transmute.rs:185:30 | LL | let _: [u8; 4] = std::mem::transmute(0i32); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()` error: transmute from a `i128` to a `[u8; 16]` - --> tests/ui/transmute.rs:179:31 + --> tests/ui/transmute.rs:187:31 | LL | let _: [u8; 16] = std::mem::transmute(0i128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()` error: transmute from a `f16` to a `[u8; 2]` - --> tests/ui/transmute.rs:182:30 + --> tests/ui/transmute.rs:190:30 | LL | let _: [u8; 2] = std::mem::transmute(0.0f16); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f16.to_ne_bytes()` error: transmute from a `f32` to a `[u8; 4]` - --> tests/ui/transmute.rs:184:30 + --> tests/ui/transmute.rs:192:30 | LL | let _: [u8; 4] = std::mem::transmute(0.0f32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f32.to_ne_bytes()` error: transmute from a `f64` to a `[u8; 8]` - --> tests/ui/transmute.rs:186:30 + --> tests/ui/transmute.rs:194:30 | LL | let _: [u8; 8] = std::mem::transmute(0.0f64); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f64.to_ne_bytes()` error: transmute from a `f128` to a `[u8; 16]` - --> tests/ui/transmute.rs:188:31 + --> tests/ui/transmute.rs:196:31 | LL | let _: [u8; 16] = std::mem::transmute(0.0f128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f128.to_ne_bytes()` error: transmute from a `u8` to a `[u8; 1]` - --> tests/ui/transmute.rs:194:30 + --> tests/ui/transmute.rs:202:30 | LL | let _: [u8; 1] = std::mem::transmute(0u8); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()` error: transmute from a `u32` to a `[u8; 4]` - --> tests/ui/transmute.rs:196:30 + --> tests/ui/transmute.rs:204:30 | LL | let _: [u8; 4] = std::mem::transmute(0u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()` error: transmute from a `u128` to a `[u8; 16]` - --> tests/ui/transmute.rs:198:31 + --> tests/ui/transmute.rs:206:31 | LL | let _: [u8; 16] = std::mem::transmute(0u128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()` error: transmute from a `i8` to a `[u8; 1]` - --> tests/ui/transmute.rs:200:30 + --> tests/ui/transmute.rs:208:30 | LL | let _: [u8; 1] = std::mem::transmute(0i8); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()` error: transmute from a `i32` to a `[u8; 4]` - --> tests/ui/transmute.rs:202:30 + --> tests/ui/transmute.rs:210:30 | LL | let _: [u8; 4] = std::mem::transmute(0i32); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()` error: transmute from a `i128` to a `[u8; 16]` - --> tests/ui/transmute.rs:204:31 + --> tests/ui/transmute.rs:212:31 | LL | let _: [u8; 16] = std::mem::transmute(0i128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()` +error: transmute from a `f16` to a `[u8; 2]` + --> tests/ui/transmute.rs:215:30 + | +LL | let _: [u8; 2] = std::mem::transmute(0.0f16); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f16.to_ne_bytes()` + +error: transmute from a `f32` to a `[u8; 4]` + --> tests/ui/transmute.rs:217:30 + | +LL | let _: [u8; 4] = std::mem::transmute(0.0f32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f32.to_ne_bytes()` + +error: transmute from a `f64` to a `[u8; 8]` + --> tests/ui/transmute.rs:219:30 + | +LL | let _: [u8; 8] = std::mem::transmute(0.0f64); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f64.to_ne_bytes()` + +error: transmute from a `f128` to a `[u8; 16]` + --> tests/ui/transmute.rs:221:31 + | +LL | let _: [u8; 16] = std::mem::transmute(0.0f128); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f128.to_ne_bytes()` + error: transmute from a `&[u8]` to a `&str` - --> tests/ui/transmute.rs:218:28 + --> tests/ui/transmute.rs:230:28 | LL | let _: &str = unsafe { std::mem::transmute(B) }; | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8(B).unwrap()` @@ -257,16 +329,16 @@ LL | let _: &str = unsafe { std::mem::transmute(B) }; = help: to override `-D warnings` add `#[allow(clippy::transmute_bytes_to_str)]` error: transmute from a `&mut [u8]` to a `&mut str` - --> tests/ui/transmute.rs:221:32 + --> tests/ui/transmute.rs:233:32 | LL | let _: &mut str = unsafe { std::mem::transmute(mb) }; | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()` error: transmute from a `&[u8]` to a `&str` - --> tests/ui/transmute.rs:223:30 + --> tests/ui/transmute.rs:235:30 | LL | const _: &str = unsafe { std::mem::transmute(B) }; | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_unchecked(B)` -error: aborting due to 42 previous errors +error: aborting due to 54 previous errors diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.fixed b/src/tools/clippy/tests/ui/transmute_float_to_int.fixed index 4361a7407d11..83814ca43b96 100644 --- a/src/tools/clippy/tests/ui/transmute_float_to_int.fixed +++ b/src/tools/clippy/tests/ui/transmute_float_to_int.fixed @@ -1,7 +1,7 @@ #![warn(clippy::transmute_float_to_int)] #![allow(clippy::missing_transmute_annotations)] -#![feature(f128)] -#![feature(f16)] +#![feature(f128, f128_const)] +#![feature(f16, f16_const)] fn float_to_int() { let _: u32 = unsafe { 1f32.to_bits() }; @@ -20,25 +20,33 @@ fn float_to_int() { } mod issue_5747 { - const VALUE16: i16 = unsafe { std::mem::transmute(1f16) }; - const VALUE32: i32 = unsafe { std::mem::transmute(1f32) }; - const VALUE64: u64 = unsafe { std::mem::transmute(1f64) }; - const VALUE128: u128 = unsafe { std::mem::transmute(1f128) }; + const VALUE16: i16 = unsafe { 1f16.to_bits() as i16 }; + //~^ ERROR: transmute from a `f16` to a `i16` + const VALUE32: i32 = unsafe { 1f32.to_bits() as i32 }; + //~^ ERROR: transmute from a `f32` to a `i32` + const VALUE64: u64 = unsafe { 1f64.to_bits() }; + //~^ ERROR: transmute from a `f64` to a `u64` + const VALUE128: u128 = unsafe { 1f128.to_bits() }; + //~^ ERROR: transmute from a `f128` to a `u128` const fn to_bits_16(v: f16) -> u16 { - unsafe { std::mem::transmute(v) } + unsafe { v.to_bits() } + //~^ ERROR: transmute from a `f16` to a `u16` } const fn to_bits_32(v: f32) -> u32 { - unsafe { std::mem::transmute(v) } + unsafe { v.to_bits() } + //~^ ERROR: transmute from a `f32` to a `u32` } const fn to_bits_64(v: f64) -> i64 { - unsafe { std::mem::transmute(v) } + unsafe { v.to_bits() as i64 } + //~^ ERROR: transmute from a `f64` to a `i64` } const fn to_bits_128(v: f128) -> i128 { - unsafe { std::mem::transmute(v) } + unsafe { v.to_bits() as i128 } + //~^ ERROR: transmute from a `f128` to a `i128` } } diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.rs b/src/tools/clippy/tests/ui/transmute_float_to_int.rs index 363ce0bcb16d..64d6e9172039 100644 --- a/src/tools/clippy/tests/ui/transmute_float_to_int.rs +++ b/src/tools/clippy/tests/ui/transmute_float_to_int.rs @@ -1,7 +1,7 @@ #![warn(clippy::transmute_float_to_int)] #![allow(clippy::missing_transmute_annotations)] -#![feature(f128)] -#![feature(f16)] +#![feature(f128, f128_const)] +#![feature(f16, f16_const)] fn float_to_int() { let _: u32 = unsafe { std::mem::transmute(1f32) }; @@ -21,24 +21,32 @@ fn float_to_int() { mod issue_5747 { const VALUE16: i16 = unsafe { std::mem::transmute(1f16) }; + //~^ ERROR: transmute from a `f16` to a `i16` const VALUE32: i32 = unsafe { std::mem::transmute(1f32) }; + //~^ ERROR: transmute from a `f32` to a `i32` const VALUE64: u64 = unsafe { std::mem::transmute(1f64) }; + //~^ ERROR: transmute from a `f64` to a `u64` const VALUE128: u128 = unsafe { std::mem::transmute(1f128) }; + //~^ ERROR: transmute from a `f128` to a `u128` const fn to_bits_16(v: f16) -> u16 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `f16` to a `u16` } const fn to_bits_32(v: f32) -> u32 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `f32` to a `u32` } const fn to_bits_64(v: f64) -> i64 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `f64` to a `i64` } const fn to_bits_128(v: f128) -> i128 { unsafe { std::mem::transmute(v) } + //~^ ERROR: transmute from a `f128` to a `i128` } } diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.stderr b/src/tools/clippy/tests/ui/transmute_float_to_int.stderr index 9cac75f72cdd..0cabab58ab08 100644 --- a/src/tools/clippy/tests/ui/transmute_float_to_int.stderr +++ b/src/tools/clippy/tests/ui/transmute_float_to_int.stderr @@ -37,5 +37,53 @@ error: transmute from a `f64` to a `u64` LL | let _: u64 = unsafe { std::mem::transmute(-1.0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(-1.0f64).to_bits()` -error: aborting due to 6 previous errors +error: transmute from a `f16` to a `i16` + --> tests/ui/transmute_float_to_int.rs:23:35 + | +LL | const VALUE16: i16 = unsafe { std::mem::transmute(1f16) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f16.to_bits() as i16` + +error: transmute from a `f32` to a `i32` + --> tests/ui/transmute_float_to_int.rs:25:35 + | +LL | const VALUE32: i32 = unsafe { std::mem::transmute(1f32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f32.to_bits() as i32` + +error: transmute from a `f64` to a `u64` + --> tests/ui/transmute_float_to_int.rs:27:35 + | +LL | const VALUE64: u64 = unsafe { std::mem::transmute(1f64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f64.to_bits()` + +error: transmute from a `f128` to a `u128` + --> tests/ui/transmute_float_to_int.rs:29:37 + | +LL | const VALUE128: u128 = unsafe { std::mem::transmute(1f128) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f128.to_bits()` + +error: transmute from a `f16` to a `u16` + --> tests/ui/transmute_float_to_int.rs:33:18 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits()` + +error: transmute from a `f32` to a `u32` + --> tests/ui/transmute_float_to_int.rs:38:18 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits()` + +error: transmute from a `f64` to a `i64` + --> tests/ui/transmute_float_to_int.rs:43:18 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits() as i64` + +error: transmute from a `f128` to a `i128` + --> tests/ui/transmute_float_to_int.rs:48:18 + | +LL | unsafe { std::mem::transmute(v) } + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits() as i128` + +error: aborting due to 14 previous errors diff --git a/tests/ui/consts/const-float-bits-conv.rs b/tests/ui/consts/const-float-bits-conv.rs index 3a526c54dc37..869498d10761 100644 --- a/tests/ui/consts/const-float-bits-conv.rs +++ b/tests/ui/consts/const-float-bits-conv.rs @@ -1,10 +1,9 @@ //@ compile-flags: -Zmir-opt-level=0 //@ run-pass -#![feature(const_float_bits_conv)] #![feature(const_float_classify)] -#![feature(f16)] -#![feature(f128)] +#![feature(f16, f16_const)] +#![feature(f128, f128_const)] #![allow(unused_macro_rules)] // Don't promote const fn nop(x: T) -> T { x } diff --git a/tests/ui/consts/const-float-classify.rs b/tests/ui/consts/const-float-classify.rs index c64d31a5c60a..6e5097f7f2b9 100644 --- a/tests/ui/consts/const-float-classify.rs +++ b/tests/ui/consts/const-float-classify.rs @@ -2,7 +2,6 @@ //@ known-bug: #110395 // FIXME(effects) run-pass -#![feature(const_float_bits_conv)] #![feature(const_float_classify)] #![feature(const_trait_impl, effects)] #![allow(incomplete_features)] diff --git a/tests/ui/consts/const-float-classify.stderr b/tests/ui/consts/const-float-classify.stderr index 38acb8a22810..a35de8ad0eab 100644 --- a/tests/ui/consts/const-float-classify.stderr +++ b/tests/ui/consts/const-float-classify.stderr @@ -1,5 +1,5 @@ error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/const-float-classify.rs:13:12 + --> $DIR/const-float-classify.rs:12:12 | LL | impl const PartialEq for bool { | ^^^^^^^^^^^^^^^^^ From 4a93071aa1317d6da7e2db41cd0629c9ec4589e5 Mon Sep 17 00:00:00 2001 From: cyrgani Date: Sun, 1 Sep 2024 22:28:23 +0200 Subject: [PATCH 023/149] add a few more crashtests --- tests/crashes/123629.rs | 10 ++++++++ tests/crashes/127033.rs | 18 ++++++++++++++ tests/crashes/129372.rs | 52 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 80 insertions(+) create mode 100644 tests/crashes/123629.rs create mode 100644 tests/crashes/127033.rs create mode 100644 tests/crashes/129372.rs diff --git a/tests/crashes/123629.rs b/tests/crashes/123629.rs new file mode 100644 index 000000000000..615323218067 --- /dev/null +++ b/tests/crashes/123629.rs @@ -0,0 +1,10 @@ +//@ known-bug: #123629 +#![feature(generic_assert)] + +fn foo() +where + for ():, +{ +} + +fn main() {} diff --git a/tests/crashes/127033.rs b/tests/crashes/127033.rs new file mode 100644 index 000000000000..919c9dfd30e8 --- /dev/null +++ b/tests/crashes/127033.rs @@ -0,0 +1,18 @@ +//@ known-bug: #127033 +//@ compile-flags: --edition=2021 + +pub trait RaftLogStorage { + fn save_vote(vote: ()) -> impl std::future::Future + Send; +} + +struct X; +impl RaftLogStorage for X { + fn save_vote(vote: ()) -> impl std::future::Future { + loop {} + async { + vote + } + } +} + +fn main() {} diff --git a/tests/crashes/129372.rs b/tests/crashes/129372.rs new file mode 100644 index 000000000000..43be01b35df2 --- /dev/null +++ b/tests/crashes/129372.rs @@ -0,0 +1,52 @@ +//@ known-bug: #129372 +//@ compile-flags: -Cdebuginfo=2 -Copt-level=0 + +pub struct Wrapper(T); +struct Struct; + +pub trait TraitA { + type AssocA<'t>; +} +pub trait TraitB { + type AssocB; +} + +pub fn helper(v: impl MethodTrait) { + let _local_that_causes_ice = v.method(); +} + +pub fn main() { + helper(Wrapper(Struct)); +} + +pub trait MethodTrait { + type Assoc<'a>; + + fn method(self) -> impl for<'a> FnMut(&'a ()) -> Self::Assoc<'a>; +} + +impl MethodTrait for T +where + ::AssocB: TraitA, +{ + type Assoc<'a> = ::AssocA<'a>; + + fn method(self) -> impl for<'a> FnMut(&'a ()) -> Self::Assoc<'a> { + move |_| loop {} + } +} + +impl TraitB for Wrapper +where + B: TraitB, +{ + type AssocB = T; +} + +impl TraitB for Struct { + type AssocB = Struct; +} + +impl TraitA for Struct { + type AssocA<'t> = Self; +} From f2696ab4d3095bb6ad6197e55855ebdf00f50b80 Mon Sep 17 00:00:00 2001 From: schvv31n Date: Mon, 5 Aug 2024 00:44:35 +0100 Subject: [PATCH 024/149] rustdoc: normalise type/field names in rustdoc-json-types/jsondoclint --- src/librustdoc/json/conversions.rs | 102 +++++++++--------- src/librustdoc/json/mod.rs | 4 +- src/rustdoc-json-types/lib.rs | 86 ++++++++------- src/rustdoc-json-types/tests.rs | 4 +- src/tools/jsondoclint/src/item_kind.rs | 22 ++-- src/tools/jsondoclint/src/validator.rs | 49 ++++----- tests/rustdoc-json/assoc_items.rs | 8 +- tests/rustdoc-json/blanket_impls.rs | 4 +- tests/rustdoc-json/enums/kind.rs | 4 +- .../rustdoc-json/enums/struct_field_hidden.rs | 2 +- tests/rustdoc-json/enums/use_glob.rs | 6 +- tests/rustdoc-json/enums/use_variant.rs | 4 +- .../rustdoc-json/enums/use_variant_foreign.rs | 2 +- tests/rustdoc-json/fn_pointer/generics.rs | 8 +- tests/rustdoc-json/fn_pointer/qualifiers.rs | 12 +-- tests/rustdoc-json/fns/async_return.rs | 24 ++--- tests/rustdoc-json/fns/extern_c_variadic.rs | 4 +- tests/rustdoc-json/fns/generic_args.rs | 22 ++-- tests/rustdoc-json/fns/generic_returns.rs | 6 +- tests/rustdoc-json/fns/generics.rs | 12 +-- tests/rustdoc-json/fns/pattern_arg.rs | 4 +- tests/rustdoc-json/fns/qualifiers.rs | 36 +++---- tests/rustdoc-json/fns/return_type_alias.rs | 2 +- .../generic-associated-types/gats.rs | 16 +-- tests/rustdoc-json/glob_import.rs | 2 +- .../rustdoc-json/impl-trait-in-assoc-type.rs | 10 +- .../impl-trait-precise-capturing.rs | 6 +- tests/rustdoc-json/impls/auto.rs | 2 +- tests/rustdoc-json/impls/foreign_for_local.rs | 2 +- .../rustdoc-json/impls/import_from_private.rs | 4 +- tests/rustdoc-json/impls/local_for_foreign.rs | 2 +- tests/rustdoc-json/lifetime/longest.rs | 24 ++--- tests/rustdoc-json/lifetime/outlives.rs | 10 +- tests/rustdoc-json/methods/qualifiers.rs | 36 +++---- tests/rustdoc-json/nested.rs | 10 +- tests/rustdoc-json/non_lifetime_binders.rs | 2 +- .../rustdoc-json/primitives/use_primitive.rs | 4 +- .../reexport/extern_crate_glob.rs | 4 +- tests/rustdoc-json/reexport/glob_collision.rs | 8 +- tests/rustdoc-json/reexport/glob_empty_mod.rs | 2 +- tests/rustdoc-json/reexport/glob_extern.rs | 6 +- tests/rustdoc-json/reexport/glob_private.rs | 4 +- .../rustdoc-json/reexport/in_root_and_mod.rs | 4 +- .../reexport/in_root_and_mod_pub.rs | 4 +- .../rustdoc-json/reexport/mod_not_included.rs | 2 +- .../reexport/private_twice_one_inline.rs | 6 +- .../reexport/private_two_names.rs | 8 +- .../reexport/reexport_of_hidden.rs | 2 +- tests/rustdoc-json/reexport/rename_private.rs | 2 +- tests/rustdoc-json/reexport/rename_public.rs | 4 +- .../reexport/same_name_different_types.rs | 8 +- .../same_type_reexported_more_than_once.rs | 4 +- tests/rustdoc-json/reexport/simple_private.rs | 6 +- tests/rustdoc-json/reexport/simple_public.rs | 2 +- tests/rustdoc-json/return_private.rs | 2 +- tests/rustdoc-json/structs/plain_all_pub.rs | 2 +- .../rustdoc-json/structs/plain_doc_hidden.rs | 2 +- tests/rustdoc-json/structs/plain_empty.rs | 2 +- tests/rustdoc-json/structs/plain_pub_priv.rs | 2 +- tests/rustdoc-json/structs/with_generics.rs | 2 +- tests/rustdoc-json/structs/with_primitives.rs | 2 +- tests/rustdoc-json/trait_alias.rs | 4 +- tests/rustdoc-json/traits/self.rs | 30 +++--- tests/rustdoc-json/traits/trait_alias.rs | 4 +- tests/rustdoc-json/type/dyn.rs | 4 +- tests/rustdoc-json/type/extern.rs | 2 +- tests/rustdoc-json/type/fn_lifetime.rs | 12 +-- tests/rustdoc-json/type/generic_default.rs | 2 +- tests/rustdoc-json/type/hrtb.rs | 8 +- .../type/inherent_associated_type.rs | 8 +- .../type/inherent_associated_type_bound.rs | 16 +-- .../inherent_associated_type_projections.rs | 12 +-- tests/rustdoc-json/type_alias.rs | 4 +- tests/rustdoc-json/unions/union.rs | 4 +- 74 files changed, 382 insertions(+), 375 deletions(-) diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index b97d710c007c..59e4b072a12d 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -156,7 +156,7 @@ impl FromWithTcx for GenericArgs { match args { AngleBracketed { args, constraints } => GenericArgs::AngleBracketed { args: args.into_vec().into_tcx(tcx), - bindings: constraints.into_tcx(tcx), + constraints: constraints.into_tcx(tcx), }, Parenthesized { inputs, output } => GenericArgs::Parenthesized { inputs: inputs.into_vec().into_tcx(tcx), @@ -198,9 +198,9 @@ impl FromWithTcx for Constant { } } -impl FromWithTcx for TypeBinding { +impl FromWithTcx for AssocItemConstraint { fn from_tcx(constraint: clean::AssocItemConstraint, tcx: TyCtxt<'_>) -> Self { - TypeBinding { + AssocItemConstraint { name: constraint.assoc.name.to_string(), args: constraint.assoc.args.into_tcx(tcx), binding: constraint.kind.into_tcx(tcx), @@ -208,12 +208,12 @@ impl FromWithTcx for TypeBinding { } } -impl FromWithTcx for TypeBindingKind { +impl FromWithTcx for AssocItemConstraintKind { fn from_tcx(kind: clean::AssocItemConstraintKind, tcx: TyCtxt<'_>) -> Self { use clean::AssocItemConstraintKind::*; match kind { - Equality { term } => TypeBindingKind::Equality(term.into_tcx(tcx)), - Bound { bounds } => TypeBindingKind::Constraint(bounds.into_tcx(tcx)), + Equality { term } => AssocItemConstraintKind::Equality(term.into_tcx(tcx)), + Bound { bounds } => AssocItemConstraintKind::Constraint(bounds.into_tcx(tcx)), } } } @@ -314,7 +314,7 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { ModuleItem(m) => { ItemEnum::Module(Module { is_crate, items: ids(m.items, tcx), is_stripped: false }) } - ImportItem(i) => ItemEnum::Import(i.into_tcx(tcx)), + ImportItem(i) => ItemEnum::Use(i.into_tcx(tcx)), StructItem(s) => ItemEnum::Struct(s.into_tcx(tcx)), UnionItem(u) => ItemEnum::Union(u.into_tcx(tcx)), StructFieldItem(f) => ItemEnum::StructField(f.into_tcx(tcx)), @@ -331,7 +331,7 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { ImplItem(i) => ItemEnum::Impl((*i).into_tcx(tcx)), StaticItem(s) => ItemEnum::Static(s.into_tcx(tcx)), ForeignStaticItem(s, _) => ItemEnum::Static(s.into_tcx(tcx)), - ForeignTypeItem => ItemEnum::ForeignType, + ForeignTypeItem => ItemEnum::ExternType, TypeAliasItem(t) => ItemEnum::TypeAlias(t.into_tcx(tcx)), // FIXME(generic_const_items): Add support for generic free consts ConstantItem(ci) => { @@ -347,21 +347,19 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { } // FIXME(generic_const_items): Add support for generic associated consts. TyAssocConstItem(_generics, ty) => { - ItemEnum::AssocConst { type_: (*ty).into_tcx(tcx), default: None } + ItemEnum::AssocConst { type_: (*ty).into_tcx(tcx), value: None } } // FIXME(generic_const_items): Add support for generic associated consts. AssocConstItem(ci) => { - ItemEnum::AssocConst { type_: ci.type_.into_tcx(tcx), default: Some(ci.kind.expr(tcx)) } + ItemEnum::AssocConst { type_: ci.type_.into_tcx(tcx), value: Some(ci.kind.expr(tcx)) } + } + TyAssocTypeItem(g, b) => { + ItemEnum::AssocType { generics: g.into_tcx(tcx), bounds: b.into_tcx(tcx), type_: None } } - TyAssocTypeItem(g, b) => ItemEnum::AssocType { - generics: g.into_tcx(tcx), - bounds: b.into_tcx(tcx), - default: None, - }, AssocTypeItem(t, b) => ItemEnum::AssocType { generics: t.generics.into_tcx(tcx), bounds: b.into_tcx(tcx), - default: Some(t.item_type.unwrap_or(t.type_).into_tcx(tcx)), + type_: Some(t.item_type.unwrap_or(t.type_).into_tcx(tcx)), }, // `convert_item` early returns `None` for stripped items and keywords. KeywordItem => unreachable!(), @@ -385,7 +383,7 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { impl FromWithTcx for Struct { fn from_tcx(struct_: clean::Struct, tcx: TyCtxt<'_>) -> Self { - let fields_stripped = struct_.has_stripped_entries(); + let has_stripped_fields = struct_.has_stripped_entries(); let clean::Struct { ctor_kind, generics, fields } = struct_; let kind = match ctor_kind { @@ -394,7 +392,7 @@ impl FromWithTcx for Struct { assert!(fields.is_empty()); StructKind::Unit } - None => StructKind::Plain { fields: ids(fields, tcx), fields_stripped }, + None => StructKind::Plain { fields: ids(fields, tcx), has_stripped_fields }, }; Struct { @@ -407,22 +405,22 @@ impl FromWithTcx for Struct { impl FromWithTcx for Union { fn from_tcx(union_: clean::Union, tcx: TyCtxt<'_>) -> Self { - let fields_stripped = union_.has_stripped_entries(); + let has_stripped_fields = union_.has_stripped_entries(); let clean::Union { generics, fields } = union_; Union { generics: generics.into_tcx(tcx), - fields_stripped, + has_stripped_fields, fields: ids(fields, tcx), impls: Vec::new(), // Added in JsonRenderer::item } } } -pub(crate) fn from_fn_header(header: &rustc_hir::FnHeader) -> Header { - Header { - async_: header.is_async(), - const_: header.is_const(), - unsafe_: header.is_unsafe(), +pub(crate) fn from_fn_header(header: &rustc_hir::FnHeader) -> FunctionHeader { + FunctionHeader { + is_async: header.is_async(), + is_const: header.is_const(), + is_unsafe: header.is_unsafe(), abi: convert_abi(header.abi), } } @@ -474,7 +472,7 @@ impl FromWithTcx for GenericParamDefKind { Type { bounds, default, synthetic } => GenericParamDefKind::Type { bounds: bounds.into_tcx(tcx), default: default.map(|x| (*x).into_tcx(tcx)), - synthetic, + is_synthetic: synthetic, }, Const { ty, default, synthetic: _ } => GenericParamDefKind::Const { type_: (*ty).into_tcx(tcx), @@ -508,7 +506,7 @@ impl FromWithTcx for WherePredicate { .map(|bound| bound.into_tcx(tcx)) .collect(), default: default.map(|ty| (*ty).into_tcx(tcx)), - synthetic, + is_synthetic: synthetic, } } clean::GenericParamDefKind::Const { ty, default, synthetic: _ } => { @@ -602,12 +600,12 @@ impl FromWithTcx for Type { ImplTrait(g) => Type::ImplTrait(g.into_tcx(tcx)), Infer => Type::Infer, RawPointer(mutability, type_) => Type::RawPointer { - mutable: mutability == ast::Mutability::Mut, + is_mutable: mutability == ast::Mutability::Mut, type_: Box::new((*type_).into_tcx(tcx)), }, BorrowedRef { lifetime, mutability, type_ } => Type::BorrowedRef { lifetime: lifetime.map(convert_lifetime), - mutable: mutability == ast::Mutability::Mut, + is_mutable: mutability == ast::Mutability::Mut, type_: Box::new((*type_).into_tcx(tcx)), }, QPath(box clean::QPathData { assoc, self_type, trait_, .. }) => Type::QualifiedPath { @@ -643,29 +641,29 @@ impl FromWithTcx for FunctionPointer { fn from_tcx(bare_decl: clean::BareFunctionDecl, tcx: TyCtxt<'_>) -> Self { let clean::BareFunctionDecl { safety, generic_params, decl, abi } = bare_decl; FunctionPointer { - header: Header { - unsafe_: matches!(safety, rustc_hir::Safety::Unsafe), - const_: false, - async_: false, + header: FunctionHeader { + is_unsafe: matches!(safety, rustc_hir::Safety::Unsafe), + is_const: false, + is_async: false, abi: convert_abi(abi), }, generic_params: generic_params.into_tcx(tcx), - decl: decl.into_tcx(tcx), + sig: decl.into_tcx(tcx), } } } -impl FromWithTcx for FnDecl { +impl FromWithTcx for FunctionSignature { fn from_tcx(decl: clean::FnDecl, tcx: TyCtxt<'_>) -> Self { let clean::FnDecl { inputs, output, c_variadic } = decl; - FnDecl { + FunctionSignature { inputs: inputs .values .into_iter() .map(|arg| (arg.name.to_string(), arg.type_.into_tcx(tcx))) .collect(), output: if output.is_unit() { None } else { Some(output.into_tcx(tcx)) }, - c_variadic, + is_c_variadic: c_variadic, } } } @@ -702,12 +700,12 @@ impl FromWithTcx for Impl { let provided_trait_methods = impl_.provided_trait_methods(tcx); let clean::Impl { safety, generics, trait_, for_, items, polarity, kind } = impl_; // FIXME: use something like ImplKind in JSON? - let (synthetic, blanket_impl) = match kind { + let (is_synthetic, blanket_impl) = match kind { clean::ImplKind::Normal | clean::ImplKind::FakeVariadic => (false, None), clean::ImplKind::Auto => (true, None), clean::ImplKind::Blanket(ty) => (false, Some(*ty)), }; - let negative_polarity = match polarity { + let is_negative = match polarity { ty::ImplPolarity::Positive | ty::ImplPolarity::Reservation => false, ty::ImplPolarity::Negative => true, }; @@ -721,8 +719,8 @@ impl FromWithTcx for Impl { trait_: trait_.map(|path| path.into_tcx(tcx)), for_: for_.into_tcx(tcx), items: ids(items, tcx), - negative: negative_polarity, - synthetic, + is_negative, + is_synthetic, blanket_impl: blanket_impl.map(|x| x.into_tcx(tcx)), } } @@ -736,7 +734,7 @@ pub(crate) fn from_function( ) -> Function { let clean::Function { decl, generics } = *function; Function { - decl: decl.into_tcx(tcx), + sig: decl.into_tcx(tcx), generics: generics.into_tcx(tcx), header: from_fn_header(&header), has_body, @@ -745,11 +743,11 @@ pub(crate) fn from_function( impl FromWithTcx for Enum { fn from_tcx(enum_: clean::Enum, tcx: TyCtxt<'_>) -> Self { - let variants_stripped = enum_.has_stripped_entries(); + let has_stripped_variants = enum_.has_stripped_entries(); let clean::Enum { variants, generics } = enum_; Enum { generics: generics.into_tcx(tcx), - variants_stripped, + has_stripped_variants, variants: ids(variants, tcx), impls: Vec::new(), // Added in JsonRenderer::item } @@ -766,7 +764,7 @@ impl FromWithTcx for Variant { CLike => VariantKind::Plain, Tuple(fields) => VariantKind::Tuple(ids_keeping_stripped(fields, tcx)), Struct(s) => VariantKind::Struct { - fields_stripped: s.has_stripped_entries(), + has_stripped_fields: s.has_stripped_entries(), fields: ids(s.fields, tcx), }, }; @@ -787,21 +785,21 @@ impl FromWithTcx for Discriminant { } } -impl FromWithTcx for Import { +impl FromWithTcx for Use { fn from_tcx(import: clean::Import, tcx: TyCtxt<'_>) -> Self { use clean::ImportKind::*; - let (name, glob) = match import.kind { + let (name, is_glob) = match import.kind { Simple(s) => (s.to_string(), false), Glob => ( import.source.path.last_opt().unwrap_or_else(|| Symbol::intern("*")).to_string(), true, ), }; - Import { + Use { source: import.source.path.whole_name(), name, id: import.source.did.map(ItemId::from).map(|i| id_from_item_default(i, tcx)), - glob, + is_glob, } } } @@ -835,7 +833,7 @@ impl FromWithTcx for Static { fn from_tcx(stat: clean::Static, tcx: TyCtxt<'_>) -> Self { Static { type_: (*stat.type_).into_tcx(tcx), - mutable: stat.mutability == ast::Mutability::Mut, + is_mutable: stat.mutability == ast::Mutability::Mut, expr: stat .expr .map(|e| rendered_const(tcx, tcx.hir().body(e), tcx.hir().body_owner_def_id(e))) @@ -856,7 +854,7 @@ impl FromWithTcx for ItemKind { match kind { Module => ItemKind::Module, ExternCrate => ItemKind::ExternCrate, - Import => ItemKind::Import, + Import => ItemKind::Use, Struct => ItemKind::Struct, Union => ItemKind::Union, Enum => ItemKind::Enum, @@ -872,7 +870,7 @@ impl FromWithTcx for ItemKind { Primitive => ItemKind::Primitive, AssocConst => ItemKind::AssocConst, AssocType => ItemKind::AssocType, - ForeignType => ItemKind::ForeignType, + ForeignType => ItemKind::ExternType, Keyword => ItemKind::Keyword, TraitAlias => ItemKind::TraitAlias, ProcAttribute => ItemKind::ProcAttribute, diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs index 1b2d61a76379..03a012864efd 100644 --- a/src/librustdoc/json/mod.rs +++ b/src/librustdoc/json/mod.rs @@ -197,7 +197,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { types::ItemEnum::Function(_) | types::ItemEnum::Module(_) - | types::ItemEnum::Import(_) + | types::ItemEnum::Use(_) | types::ItemEnum::AssocConst { .. } | types::ItemEnum::AssocType { .. } => true, types::ItemEnum::ExternCrate { .. } @@ -208,7 +208,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { | types::ItemEnum::TypeAlias(_) | types::ItemEnum::Constant { .. } | types::ItemEnum::Static(_) - | types::ItemEnum::ForeignType + | types::ItemEnum::ExternType | types::ItemEnum::Macro(_) | types::ItemEnum::ProcMacro(_) => false, }; diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs index 40a90c1a5650..ef21779b0993 100644 --- a/src/rustdoc-json-types/lib.rs +++ b/src/rustdoc-json-types/lib.rs @@ -13,7 +13,7 @@ use serde::{Deserialize, Serialize}; /// This integer is incremented with every breaking change to the API, /// and is returned along with the JSON blob as [`Crate::format_version`]. /// Consuming code should assert that this value matches the format version(s) that it supports. -pub const FORMAT_VERSION: u32 = 33; +pub const FORMAT_VERSION: u32 = 34; /// The root of the emitted JSON blob. /// @@ -194,7 +194,7 @@ pub enum GenericArgs { /// ``` args: Vec, /// Associated type or constant bindings (e.g. `Item=i32` or `Item: Clone`) for this type. - bindings: Vec, + constraints: Vec, }, /// `Fn(A, B) -> C` Parenthesized { @@ -258,19 +258,19 @@ pub struct Constant { /// ^^^^^^^^^^ ^^^^^^^^^^^^^^^ /// ``` #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] -pub struct TypeBinding { +pub struct AssocItemConstraint { /// The name of the associated type/constant. pub name: String, /// Arguments provided to the associated type/constant. pub args: GenericArgs, /// The kind of bound applied to the associated type/constant. - pub binding: TypeBindingKind, + pub binding: AssocItemConstraintKind, } /// The way in which an associate type/constant is bound. #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] #[serde(rename_all = "snake_case")] -pub enum TypeBindingKind { +pub enum AssocItemConstraintKind { /// The required value/type is specified exactly. e.g. /// ```text /// Iterator @@ -311,7 +311,7 @@ pub enum ItemKind { /// A crate imported via the `extern crate` syntax. ExternCrate, /// An import of 1 or more items into scope, using the `use` keyword. - Import, + Use, /// A `struct` declaration. Struct, /// A field of a struct. @@ -341,7 +341,7 @@ pub enum ItemKind { /// `type`s from an `extern` block. /// /// See [the tracking issue](https://github.com/rust-lang/rust/issues/43467) - ForeignType, + ExternType, /// A macro declaration. /// /// Corresponds to either `ItemEnum::Macro(_)` @@ -386,7 +386,7 @@ pub enum ItemEnum { rename: Option, }, /// An import of 1 or more items into scope, using the `use` keyword. - Import(Import), + Use(Use), /// A `union` declaration. Union(Union), @@ -429,7 +429,7 @@ pub enum ItemEnum { /// `type`s from an `extern` block. /// /// See [the tracking issue](https://github.com/rust-lang/rust/issues/43467) - ForeignType, + ExternType, /// A macro_rules! declarative macro. Contains a single string with the source /// representation of the macro with the patterns stripped. @@ -447,12 +447,19 @@ pub enum ItemEnum { /// The type of the constant. #[serde(rename = "type")] type_: Type, - /// The stringified expression for the default value, if provided, e.g. + /// Inside a trait declaration, this is the default value for the associated constant, + /// if provided. + /// Inside an `impl` block, this is the value assigned to the associated constant, + /// and will always be present. + /// + /// The representation is implementation-defined and not guaranteed to be representative of + /// either the resulting value or of the source code. + /// /// ```rust /// const X: usize = 640 * 1024; /// // ^^^^^^^^^^ /// ``` - default: Option, + value: Option, }, /// An associated type of a trait or a type. AssocType { @@ -467,12 +474,16 @@ pub enum ItemEnum { /// } /// ``` bounds: Vec, - /// The default for this type, if provided, e.g. + /// Inside a trait declaration, this is the default for the associated type, if provided. + /// Inside an impl block, this is the type assigned to the associated type, and will always + /// be present. + /// /// ```rust /// type X = usize; /// // ^^^^^ /// ``` - default: Option, + #[serde(rename = "type")] + type_: Option, }, } @@ -497,7 +508,7 @@ pub struct Union { /// The generic parameters and where clauses on this union. pub generics: Generics, /// Whether any fields have been removed from the result, due to being private or hidden. - pub fields_stripped: bool, + pub has_stripped_fields: bool, /// The list of fields in the union. /// /// All of the corresponding [`Item`]s are of kind [`ItemEnum::StructField`]. @@ -554,7 +565,7 @@ pub enum StructKind { /// All of the corresponding [`Item`]s are of kind [`ItemEnum::StructField`]. fields: Vec, /// Whether any fields have been removed from the result, due to being private or hidden. - fields_stripped: bool, + has_stripped_fields: bool, }, } @@ -564,7 +575,7 @@ pub struct Enum { /// Information about the type parameters and `where` clauses of the enum. pub generics: Generics, /// Whether any variants have been removed from the result, due to being private or hidden. - pub variants_stripped: bool, + pub has_stripped_variants: bool, /// The list of variants in the enum. /// /// All of the corresponding [`Item`]s are of kind [`ItemEnum::Variant`] @@ -621,7 +632,7 @@ pub enum VariantKind { /// All of the corresponding [`Item`]s are of kind [`ItemEnum::Variant`]. fields: Vec, /// Whether any variants have been removed from the result, due to being private or hidden. - fields_stripped: bool, + has_stripped_fields: bool, }, } @@ -645,16 +656,13 @@ pub struct Discriminant { /// A set of fundamental properties of a function. #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] -pub struct Header { +pub struct FunctionHeader { /// Is this function marked as `const`? - #[serde(rename = "const")] - pub const_: bool, + pub is_const: bool, /// Is this function unsafe? - #[serde(rename = "unsafe")] - pub unsafe_: bool, + pub is_unsafe: bool, /// Is this function async? - #[serde(rename = "async")] - pub async_: bool, + pub is_async: bool, /// The ABI used by the function. pub abi: Abi, } @@ -697,11 +705,11 @@ pub enum Abi { #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] pub struct Function { /// Information about the function signature, or declaration. - pub decl: FnDecl, + pub sig: FunctionSignature, /// Information about the function’s type parameters and `where` clauses. pub generics: Generics, /// Information about core properties of the function, e.g. whether it's `const`, its ABI, etc. - pub header: Header, + pub header: FunctionHeader, /// Whether the function has a body, i.e. an implementation. pub has_body: bool, } @@ -784,7 +792,7 @@ pub enum GenericParamDefKind { /// In this example, the generic parameter named `impl Trait` (and which /// is bound by `Trait`) is synthetic, because it was not originally in /// the Rust source text. - synthetic: bool, + is_synthetic: bool, }, /// Denotes a constant parameter. @@ -894,7 +902,7 @@ pub enum TraitBoundModifier { } /// Either a type or a constant, usually stored as the right-hand side of an equation in places like -/// [`TypeBinding`] +/// [`AssocItemConstraint`] #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] #[serde(rename_all = "snake_case")] pub enum Term { @@ -963,7 +971,7 @@ pub enum Type { /// A raw pointer type, e.g. `*mut u32`, `*const u8`, etc. RawPointer { /// This is `true` for `*mut _` and `false` for `*const _`. - mutable: bool, + is_mutable: bool, /// The type of the pointee. #[serde(rename = "type")] type_: Box, @@ -973,7 +981,7 @@ pub enum Type { /// The name of the lifetime of the reference, if provided. lifetime: Option, /// This is `true` for `&mut i32` and `false` for `&i32` - mutable: bool, + is_mutable: bool, /// The type of the pointee, e.g. the `i32` in `&'a mut i32` #[serde(rename = "type")] type_: Box, @@ -1036,7 +1044,7 @@ pub struct Path { #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] pub struct FunctionPointer { /// The signature of the function. - pub decl: FnDecl, + pub sig: FunctionSignature, /// Used for Higher-Rank Trait Bounds (HRTBs) /// /// ```ignore (incomplete expression) @@ -1045,12 +1053,12 @@ pub struct FunctionPointer { /// ``` pub generic_params: Vec, /// The core properties of the function, such as the ABI it conforms to, whether it's unsafe, etc. - pub header: Header, + pub header: FunctionHeader, } /// The signature of a function. #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] -pub struct FnDecl { +pub struct FunctionSignature { /// List of argument names and their type. /// /// Note that not all names will be valid identifiers, as some of @@ -1063,7 +1071,7 @@ pub struct FnDecl { /// ```ignore (incomplete code) /// fn printf(fmt: &str, ...); /// ``` - pub c_variadic: bool, + pub is_c_variadic: bool, } /// A `trait` declaration. @@ -1127,10 +1135,10 @@ pub struct Impl { /// The list of associated items contained in this impl block. pub items: Vec, /// Whether this is a negative impl (e.g. `!Sized` or `!Send`). - pub negative: bool, + pub is_negative: bool, /// Whether this is an impl that’s implied by the compiler /// (for autotraits, e.g. `Send` or `Sync`). - pub synthetic: bool, + pub is_synthetic: bool, // FIXME: document this pub blanket_impl: Option, } @@ -1138,7 +1146,7 @@ pub struct Impl { /// A `use` statement. #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] #[serde(rename_all = "snake_case")] -pub struct Import { +pub struct Use { /// The full path being imported. pub source: String, /// May be different from the last segment of `source` when renaming imports: @@ -1150,7 +1158,7 @@ pub struct Import { /// ``` pub id: Option, /// Whether this statement is a wildcard `use`, e.g. `use source::*;` - pub glob: bool, + pub is_glob: bool, } /// A procedural macro. @@ -1205,7 +1213,7 @@ pub struct Static { #[serde(rename = "type")] pub type_: Type, /// This is `true` for mutable statics, declared as `static mut X: T = f();` - pub mutable: bool, + pub is_mutable: bool, /// The stringified expression for the initial value. /// /// It's not guaranteed that it'll match the actual source code for the initial value. diff --git a/src/rustdoc-json-types/tests.rs b/src/rustdoc-json-types/tests.rs index 1126d5f786f4..b9363fcf1b71 100644 --- a/src/rustdoc-json-types/tests.rs +++ b/src/rustdoc-json-types/tests.rs @@ -4,7 +4,7 @@ use super::*; fn test_struct_info_roundtrip() { let s = ItemEnum::Struct(Struct { generics: Generics { params: vec![], where_predicates: vec![] }, - kind: StructKind::Plain { fields: vec![], fields_stripped: false }, + kind: StructKind::Plain { fields: vec![], has_stripped_fields: false }, impls: vec![], }); @@ -23,7 +23,7 @@ fn test_struct_info_roundtrip() { fn test_union_info_roundtrip() { let u = ItemEnum::Union(Union { generics: Generics { params: vec![], where_predicates: vec![] }, - fields_stripped: false, + has_stripped_fields: false, fields: vec![], impls: vec![], }); diff --git a/src/tools/jsondoclint/src/item_kind.rs b/src/tools/jsondoclint/src/item_kind.rs index 7d6ec475badd..51146831efa4 100644 --- a/src/tools/jsondoclint/src/item_kind.rs +++ b/src/tools/jsondoclint/src/item_kind.rs @@ -5,7 +5,7 @@ use rustdoc_json_types::{Item, ItemEnum, ItemKind, ItemSummary}; pub(crate) enum Kind { Module, ExternCrate, - Import, + Use, Struct, StructField, Union, @@ -18,7 +18,7 @@ pub(crate) enum Kind { TraitAlias, Impl, Static, - ForeignType, + ExternType, Macro, ProcAttribute, ProcDerive, @@ -36,7 +36,7 @@ impl Kind { match self { Module => true, ExternCrate => true, - Import => true, + Use => true, Union => true, Struct => true, Enum => true, @@ -50,7 +50,7 @@ impl Kind { Macro => true, ProcMacro => true, Primitive => true, - ForeignType => true, + ExternType => true, // FIXME(adotinthevoid): I'm not sure if these are correct Keyword => false, @@ -69,7 +69,7 @@ impl Kind { pub fn can_appear_in_import(self) -> bool { match self { Kind::Variant => true, - Kind::Import => false, + Kind::Use => false, other => other.can_appear_in_mod(), } } @@ -90,7 +90,7 @@ impl Kind { Kind::Module => false, Kind::ExternCrate => false, - Kind::Import => false, + Kind::Use => false, Kind::Struct => false, Kind::StructField => false, Kind::Union => false, @@ -102,7 +102,7 @@ impl Kind { Kind::TraitAlias => false, Kind::Impl => false, Kind::Static => false, - Kind::ForeignType => false, + Kind::ExternType => false, Kind::Macro => false, Kind::ProcAttribute => false, Kind::ProcDerive => false, @@ -135,7 +135,7 @@ impl Kind { use Kind::*; match i.inner { ItemEnum::Module(_) => Module, - ItemEnum::Import(_) => Import, + ItemEnum::Use(_) => Use, ItemEnum::Union(_) => Union, ItemEnum::Struct(_) => Struct, ItemEnum::StructField(_) => StructField, @@ -151,7 +151,7 @@ impl Kind { ItemEnum::Macro(_) => Macro, ItemEnum::ProcMacro(_) => ProcMacro, ItemEnum::Primitive(_) => Primitive, - ItemEnum::ForeignType => ForeignType, + ItemEnum::ExternType => ExternType, ItemEnum::ExternCrate { .. } => ExternCrate, ItemEnum::AssocConst { .. } => AssocConst, ItemEnum::AssocType { .. } => AssocType, @@ -166,10 +166,10 @@ impl Kind { ItemKind::Constant => Constant, ItemKind::Enum => Enum, ItemKind::ExternCrate => ExternCrate, - ItemKind::ForeignType => ForeignType, + ItemKind::ExternType => ExternType, ItemKind::Function => Function, ItemKind::Impl => Impl, - ItemKind::Import => Import, + ItemKind::Use => Use, ItemKind::Keyword => Keyword, ItemKind::Macro => Macro, ItemKind::Module => Module, diff --git a/src/tools/jsondoclint/src/validator.rs b/src/tools/jsondoclint/src/validator.rs index 0ffb96bef29b..10ab62cb24aa 100644 --- a/src/tools/jsondoclint/src/validator.rs +++ b/src/tools/jsondoclint/src/validator.rs @@ -2,10 +2,11 @@ use std::collections::HashSet; use std::hash::Hash; use rustdoc_json_types::{ - Constant, Crate, DynTrait, Enum, FnDecl, Function, FunctionPointer, GenericArg, GenericArgs, - GenericBound, GenericParamDef, Generics, Id, Impl, Import, ItemEnum, ItemSummary, Module, Path, - Primitive, ProcMacro, Static, Struct, StructKind, Term, Trait, TraitAlias, Type, TypeAlias, - TypeBinding, TypeBindingKind, Union, Variant, VariantKind, WherePredicate, + AssocItemConstraint, AssocItemConstraintKind, Constant, Crate, DynTrait, Enum, Function, + FunctionPointer, FunctionSignature, GenericArg, GenericArgs, GenericBound, GenericParamDef, + Generics, Id, Impl, ItemEnum, ItemSummary, Module, Path, Primitive, ProcMacro, Static, Struct, + StructKind, Term, Trait, TraitAlias, Type, TypeAlias, Union, Use, Variant, VariantKind, + WherePredicate, }; use serde_json::Value; @@ -90,7 +91,7 @@ impl<'a> Validator<'a> { item.links.values().for_each(|id| self.add_any_id(id)); match &item.inner { - ItemEnum::Import(x) => self.check_import(x), + ItemEnum::Use(x) => self.check_use(x), ItemEnum::Union(x) => self.check_union(x), ItemEnum::Struct(x) => self.check_struct(x), ItemEnum::StructField(x) => self.check_struct_field(x), @@ -106,18 +107,18 @@ impl<'a> Validator<'a> { self.check_constant(const_); } ItemEnum::Static(x) => self.check_static(x), - ItemEnum::ForeignType => {} // nop + ItemEnum::ExternType => {} // nop ItemEnum::Macro(x) => self.check_macro(x), ItemEnum::ProcMacro(x) => self.check_proc_macro(x), ItemEnum::Primitive(x) => self.check_primitive_type(x), ItemEnum::Module(x) => self.check_module(x, id), // FIXME: Why don't these have their own structs? ItemEnum::ExternCrate { .. } => {} - ItemEnum::AssocConst { type_, default: _ } => self.check_type(type_), - ItemEnum::AssocType { generics, bounds, default } => { + ItemEnum::AssocConst { type_, value: _ } => self.check_type(type_), + ItemEnum::AssocType { generics, bounds, type_ } => { self.check_generics(generics); bounds.iter().for_each(|b| self.check_generic_bound(b)); - if let Some(ty) = default { + if let Some(ty) = type_ { self.check_type(ty); } } @@ -133,8 +134,8 @@ impl<'a> Validator<'a> { module.items.iter().for_each(|i| self.add_mod_item_id(i)); } - fn check_import(&mut self, x: &'a Import) { - if x.glob { + fn check_use(&mut self, x: &'a Use) { + if x.is_glob { self.add_glob_import_item_id(x.id.as_ref().unwrap()); } else if let Some(id) = &x.id { self.add_import_item_id(id); @@ -152,7 +153,7 @@ impl<'a> Validator<'a> { match &x.kind { StructKind::Unit => {} StructKind::Tuple(fields) => fields.iter().flatten().for_each(|f| self.add_field_id(f)), - StructKind::Plain { fields, fields_stripped: _ } => { + StructKind::Plain { fields, has_stripped_fields: _ } => { fields.iter().for_each(|f| self.add_field_id(f)) } } @@ -187,7 +188,7 @@ impl<'a> Validator<'a> { match kind { VariantKind::Plain => {} VariantKind::Tuple(tys) => tys.iter().flatten().for_each(|t| self.add_field_id(t)), - VariantKind::Struct { fields, fields_stripped: _ } => { + VariantKind::Struct { fields, has_stripped_fields: _ } => { fields.iter().for_each(|f| self.add_field_id(f)) } } @@ -195,7 +196,7 @@ impl<'a> Validator<'a> { fn check_function(&mut self, x: &'a Function) { self.check_generics(&x.generics); - self.check_fn_decl(&x.decl); + self.check_function_signature(&x.sig); } fn check_trait(&mut self, x: &'a Trait, id: &Id) { @@ -267,8 +268,8 @@ impl<'a> Validator<'a> { Type::Array { type_, len: _ } => self.check_type(&**type_), Type::ImplTrait(bounds) => bounds.iter().for_each(|b| self.check_generic_bound(b)), Type::Infer => {} - Type::RawPointer { mutable: _, type_ } => self.check_type(&**type_), - Type::BorrowedRef { lifetime: _, mutable: _, type_ } => self.check_type(&**type_), + Type::RawPointer { is_mutable: _, type_ } => self.check_type(&**type_), + Type::BorrowedRef { lifetime: _, is_mutable: _, type_ } => self.check_type(&**type_), Type::QualifiedPath { name: _, args, self_type, trait_ } => { self.check_generic_args(&**args); self.check_type(&**self_type); @@ -279,7 +280,7 @@ impl<'a> Validator<'a> { } } - fn check_fn_decl(&mut self, x: &'a FnDecl) { + fn check_function_signature(&mut self, x: &'a FunctionSignature) { x.inputs.iter().for_each(|(_name, ty)| self.check_type(ty)); if let Some(output) = &x.output { self.check_type(output); @@ -309,9 +310,9 @@ impl<'a> Validator<'a> { fn check_generic_args(&mut self, x: &'a GenericArgs) { match x { - GenericArgs::AngleBracketed { args, bindings } => { + GenericArgs::AngleBracketed { args, constraints } => { args.iter().for_each(|arg| self.check_generic_arg(arg)); - bindings.iter().for_each(|bind| self.check_type_binding(bind)); + constraints.iter().for_each(|bind| self.check_assoc_item_constraint(bind)); } GenericArgs::Parenthesized { inputs, output } => { inputs.iter().for_each(|ty| self.check_type(ty)); @@ -325,7 +326,7 @@ impl<'a> Validator<'a> { fn check_generic_param_def(&mut self, gpd: &'a GenericParamDef) { match &gpd.kind { rustdoc_json_types::GenericParamDefKind::Lifetime { outlives: _ } => {} - rustdoc_json_types::GenericParamDefKind::Type { bounds, default, synthetic: _ } => { + rustdoc_json_types::GenericParamDefKind::Type { bounds, default, is_synthetic: _ } => { bounds.iter().for_each(|b| self.check_generic_bound(b)); if let Some(ty) = default { self.check_type(ty); @@ -346,11 +347,11 @@ impl<'a> Validator<'a> { } } - fn check_type_binding(&mut self, bind: &'a TypeBinding) { + fn check_assoc_item_constraint(&mut self, bind: &'a AssocItemConstraint) { self.check_generic_args(&bind.args); match &bind.binding { - TypeBindingKind::Equality(term) => self.check_term(term), - TypeBindingKind::Constraint(bounds) => { + AssocItemConstraintKind::Equality(term) => self.check_term(term), + AssocItemConstraintKind::Constraint(bounds) => { bounds.iter().for_each(|b| self.check_generic_bound(b)) } } @@ -388,7 +389,7 @@ impl<'a> Validator<'a> { } fn check_function_pointer(&mut self, fp: &'a FunctionPointer) { - self.check_fn_decl(&fp.decl); + self.check_function_signature(&fp.sig); fp.generic_params.iter().for_each(|gpd| self.check_generic_param_def(gpd)); } diff --git a/tests/rustdoc-json/assoc_items.rs b/tests/rustdoc-json/assoc_items.rs index 7fd0fe2b8987..f315f37966d0 100644 --- a/tests/rustdoc-json/assoc_items.rs +++ b/tests/rustdoc-json/assoc_items.rs @@ -9,12 +9,12 @@ impl Simple { pub trait EasyToImpl { //@ has "$.index[*][?(@.docs=='ToDeclare trait')].inner.assoc_type" - //@ is "$.index[*][?(@.docs=='ToDeclare trait')].inner.assoc_type.default" null + //@ is "$.index[*][?(@.docs=='ToDeclare trait')].inner.assoc_type.type" null //@ is "$.index[*][?(@.docs=='ToDeclare trait')].inner.assoc_type.bounds" [] /// ToDeclare trait type ToDeclare; //@ has "$.index[*][?(@.docs=='AN_ATTRIBUTE trait')].inner.assoc_const" - //@ is "$.index[*][?(@.docs=='AN_ATTRIBUTE trait')].inner.assoc_const.default" null + //@ is "$.index[*][?(@.docs=='AN_ATTRIBUTE trait')].inner.assoc_const.value" null //@ is "$.index[*][?(@.docs=='AN_ATTRIBUTE trait')].inner.assoc_const.type.primitive" '"usize"' /// AN_ATTRIBUTE trait const AN_ATTRIBUTE: usize; @@ -22,13 +22,13 @@ pub trait EasyToImpl { impl EasyToImpl for Simple { //@ has "$.index[*][?(@.docs=='ToDeclare impl')].inner.assoc_type" - //@ is "$.index[*][?(@.docs=='ToDeclare impl')].inner.assoc_type.default.primitive" \"usize\" + //@ is "$.index[*][?(@.docs=='ToDeclare impl')].inner.assoc_type.type.primitive" \"usize\" /// ToDeclare impl type ToDeclare = usize; //@ has "$.index[*][?(@.docs=='AN_ATTRIBUTE impl')].inner.assoc_const" //@ is "$.index[*][?(@.docs=='AN_ATTRIBUTE impl')].inner.assoc_const.type.primitive" \"usize\" - //@ is "$.index[*][?(@.docs=='AN_ATTRIBUTE impl')].inner.assoc_const.default" \"12\" + //@ is "$.index[*][?(@.docs=='AN_ATTRIBUTE impl')].inner.assoc_const.value" \"12\" /// AN_ATTRIBUTE impl const AN_ATTRIBUTE: usize = 12; } diff --git a/tests/rustdoc-json/blanket_impls.rs b/tests/rustdoc-json/blanket_impls.rs index bc2c98dcbb7c..f2acabbe3725 100644 --- a/tests/rustdoc-json/blanket_impls.rs +++ b/tests/rustdoc-json/blanket_impls.rs @@ -3,6 +3,6 @@ #![no_std] //@ has "$.index[*][?(@.name=='Error')].inner.assoc_type" -//@ has "$.index[*][?(@.name=='Error')].inner.assoc_type.default.resolved_path" -//@ has "$.index[*][?(@.name=='Error')].inner.assoc_type.default.resolved_path.name" \"Infallible\" +//@ has "$.index[*][?(@.name=='Error')].inner.assoc_type.type.resolved_path" +//@ has "$.index[*][?(@.name=='Error')].inner.assoc_type.type.resolved_path.name" \"Infallible\" pub struct ForBlanketTryFromImpl; diff --git a/tests/rustdoc-json/enums/kind.rs b/tests/rustdoc-json/enums/kind.rs index ef3d9363d647..2e0fb3101a31 100644 --- a/tests/rustdoc-json/enums/kind.rs +++ b/tests/rustdoc-json/enums/kind.rs @@ -5,7 +5,7 @@ pub enum Foo { //@ is "$.index[*][?(@.name=='Unit')].inner.variant.kind" '"plain"' Unit, //@ set Named = "$.index[*][?(@.name=='Named')].id" - //@ is "$.index[*][?(@.name=='Named')].inner.variant.kind.struct" '{"fields": [], "fields_stripped": false}' + //@ is "$.index[*][?(@.name=='Named')].inner.variant.kind.struct" '{"fields": [], "has_stripped_fields": false}' Named {}, //@ set Tuple = "$.index[*][?(@.name=='Tuple')].id" //@ is "$.index[*][?(@.name=='Tuple')].inner.variant.kind.tuple" [] @@ -13,7 +13,7 @@ pub enum Foo { //@ set NamedField = "$.index[*][?(@.name=='NamedField')].id" //@ set x = "$.index[*][?(@.name=='x' && @.inner.struct_field)].id" //@ is "$.index[*][?(@.name=='NamedField')].inner.variant.kind.struct.fields[*]" $x - //@ is "$.index[*][?(@.name=='NamedField')].inner.variant.kind.struct.fields_stripped" false + //@ is "$.index[*][?(@.name=='NamedField')].inner.variant.kind.struct.has_stripped_fields" false NamedField { x: i32 }, //@ set TupleField = "$.index[*][?(@.name=='TupleField')].id" //@ set tup_field = "$.index[*][?(@.name=='0' && @.inner.struct_field)].id" diff --git a/tests/rustdoc-json/enums/struct_field_hidden.rs b/tests/rustdoc-json/enums/struct_field_hidden.rs index b724f9abb71b..2184f58b1da8 100644 --- a/tests/rustdoc-json/enums/struct_field_hidden.rs +++ b/tests/rustdoc-json/enums/struct_field_hidden.rs @@ -9,7 +9,7 @@ pub enum Foo { //@ set y = "$.index[*][?(@.name=='y')].id" y: i32, }, - //@ is "$.index[*][?(@.name=='Variant')].inner.variant.kind.struct.fields_stripped" true + //@ is "$.index[*][?(@.name=='Variant')].inner.variant.kind.struct.has_stripped_fields" true //@ is "$.index[*][?(@.name=='Variant')].inner.variant.kind.struct.fields[0]" $b //@ is "$.index[*][?(@.name=='Variant')].inner.variant.kind.struct.fields[1]" $y //@ count "$.index[*][?(@.name=='Variant')].inner.variant.kind.struct.fields[*]" 2 diff --git a/tests/rustdoc-json/enums/use_glob.rs b/tests/rustdoc-json/enums/use_glob.rs index 61766d2a6298..2631b43da8e0 100644 --- a/tests/rustdoc-json/enums/use_glob.rs +++ b/tests/rustdoc-json/enums/use_glob.rs @@ -7,9 +7,9 @@ pub enum Color { Blue, } -//@ set use_Color = "$.index[*][?(@.inner.import)].id" -//@ is "$.index[*][?(@.inner.import)].inner.import.id" $Color -//@ is "$.index[*][?(@.inner.import)].inner.import.glob" true +//@ set use_Color = "$.index[*][?(@.inner.use)].id" +//@ is "$.index[*][?(@.inner.use)].inner.use.id" $Color +//@ is "$.index[*][?(@.inner.use)].inner.use.is_glob" true pub use Color::*; //@ ismany "$.index[*][?(@.name == 'use_glob')].inner.module.items[*]" $Color $use_Color diff --git a/tests/rustdoc-json/enums/use_variant.rs b/tests/rustdoc-json/enums/use_variant.rs index 9010d6164939..6d3322e0ba9a 100644 --- a/tests/rustdoc-json/enums/use_variant.rs +++ b/tests/rustdoc-json/enums/use_variant.rs @@ -5,8 +5,8 @@ pub enum AlwaysNone { } //@ is "$.index[*][?(@.name == 'AlwaysNone')].inner.enum.variants[*]" $None -//@ set use_None = "$.index[*][?(@.inner.import)].id" -//@ is "$.index[*][?(@.inner.import)].inner.import.id" $None +//@ set use_None = "$.index[*][?(@.inner.use)].id" +//@ is "$.index[*][?(@.inner.use)].inner.use.id" $None pub use AlwaysNone::None; //@ ismany "$.index[*][?(@.name == 'use_variant')].inner.module.items[*]" $AlwaysNone $use_None diff --git a/tests/rustdoc-json/enums/use_variant_foreign.rs b/tests/rustdoc-json/enums/use_variant_foreign.rs index 0f3f16ff8357..a9ad61b9fe35 100644 --- a/tests/rustdoc-json/enums/use_variant_foreign.rs +++ b/tests/rustdoc-json/enums/use_variant_foreign.rs @@ -2,7 +2,7 @@ extern crate color; -//@ has "$.index[*].inner.import[?(@.name == 'Red')]" +//@ has "$.index[*].inner.use[?(@.name == 'Red')]" pub use color::Color::Red; //@ !has "$.index[*][?(@.name == 'Red')]" diff --git a/tests/rustdoc-json/fn_pointer/generics.rs b/tests/rustdoc-json/fn_pointer/generics.rs index 9f5d23ae421e..7d64e490a222 100644 --- a/tests/rustdoc-json/fn_pointer/generics.rs +++ b/tests/rustdoc-json/fn_pointer/generics.rs @@ -1,9 +1,9 @@ // ignore-tidy-linelength -//@ count "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.decl.inputs[0][0]" '"val"' -//@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.decl.inputs[0][1].borrowed_ref.lifetime" \"\'c\" -//@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.decl.output.primitive" \"i32\" +//@ count "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.sig.inputs[0][0]" '"val"' +//@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.sig.inputs[0][1].borrowed_ref.lifetime" \"\'c\" +//@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.sig.output.primitive" \"i32\" //@ count "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.generic_params[*]" 1 //@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.generic_params[0].name" \"\'c\" //@ is "$.index[*][?(@.name=='WithHigherRankTraitBounds')].inner.type_alias.type.function_pointer.generic_params[0].kind" '{ "lifetime": { "outlives": [] } }' diff --git a/tests/rustdoc-json/fn_pointer/qualifiers.rs b/tests/rustdoc-json/fn_pointer/qualifiers.rs index 9c0e6c0ccf1e..6f03cf58522e 100644 --- a/tests/rustdoc-json/fn_pointer/qualifiers.rs +++ b/tests/rustdoc-json/fn_pointer/qualifiers.rs @@ -1,11 +1,11 @@ // ignore-tidy-linelength -//@ is "$.index[*][?(@.name=='FnPointer')].inner.type_alias.type.function_pointer.header.unsafe" false -//@ is "$.index[*][?(@.name=='FnPointer')].inner.type_alias.type.function_pointer.header.const" false -//@ is "$.index[*][?(@.name=='FnPointer')].inner.type_alias.type.function_pointer.header.async" false +//@ is "$.index[*][?(@.name=='FnPointer')].inner.type_alias.type.function_pointer.header.is_unsafe" false +//@ is "$.index[*][?(@.name=='FnPointer')].inner.type_alias.type.function_pointer.header.is_const" false +//@ is "$.index[*][?(@.name=='FnPointer')].inner.type_alias.type.function_pointer.header.is_async" false pub type FnPointer = fn(); -//@ is "$.index[*][?(@.name=='UnsafePointer')].inner.type_alias.type.function_pointer.header.unsafe" true -//@ is "$.index[*][?(@.name=='UnsafePointer')].inner.type_alias.type.function_pointer.header.const" false -//@ is "$.index[*][?(@.name=='UnsafePointer')].inner.type_alias.type.function_pointer.header.async" false +//@ is "$.index[*][?(@.name=='UnsafePointer')].inner.type_alias.type.function_pointer.header.is_unsafe" true +//@ is "$.index[*][?(@.name=='UnsafePointer')].inner.type_alias.type.function_pointer.header.is_const" false +//@ is "$.index[*][?(@.name=='UnsafePointer')].inner.type_alias.type.function_pointer.header.is_async" false pub type UnsafePointer = unsafe fn(); diff --git a/tests/rustdoc-json/fns/async_return.rs b/tests/rustdoc-json/fns/async_return.rs index e029c72df212..18a8a586e76d 100644 --- a/tests/rustdoc-json/fns/async_return.rs +++ b/tests/rustdoc-json/fns/async_return.rs @@ -5,30 +5,30 @@ use std::future::Future; -//@ is "$.index[*][?(@.name=='get_int')].inner.function.decl.output.primitive" \"i32\" -//@ is "$.index[*][?(@.name=='get_int')].inner.function.header.async" false +//@ is "$.index[*][?(@.name=='get_int')].inner.function.sig.output.primitive" \"i32\" +//@ is "$.index[*][?(@.name=='get_int')].inner.function.header.is_async" false pub fn get_int() -> i32 { 42 } -//@ is "$.index[*][?(@.name=='get_int_async')].inner.function.decl.output.primitive" \"i32\" -//@ is "$.index[*][?(@.name=='get_int_async')].inner.function.header.async" true +//@ is "$.index[*][?(@.name=='get_int_async')].inner.function.sig.output.primitive" \"i32\" +//@ is "$.index[*][?(@.name=='get_int_async')].inner.function.header.is_async" true pub async fn get_int_async() -> i32 { 42 } -//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.decl.output.impl_trait[0].trait_bound.trait.name" '"Future"' -//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.decl.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[0].name" '"Output"' -//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.decl.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[0].binding.equality.type.primitive" \"i32\" -//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.header.async" false +//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.sig.output.impl_trait[0].trait_bound.trait.name" '"Future"' +//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.sig.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[0].name" '"Output"' +//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.sig.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[0].binding.equality.type.primitive" \"i32\" +//@ is "$.index[*][?(@.name=='get_int_future')].inner.function.header.is_async" false pub fn get_int_future() -> impl Future { async { 42 } } -//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.decl.output.impl_trait[0].trait_bound.trait.name" '"Future"' -//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.decl.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[0].name" '"Output"' -//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.decl.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[0].binding.equality.type.primitive" \"i32\" -//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.header.async" true +//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.sig.output.impl_trait[0].trait_bound.trait.name" '"Future"' +//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.sig.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[0].name" '"Output"' +//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.sig.output.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[0].binding.equality.type.primitive" \"i32\" +//@ is "$.index[*][?(@.name=='get_int_future_async')].inner.function.header.is_async" true pub async fn get_int_future_async() -> impl Future { async { 42 } } diff --git a/tests/rustdoc-json/fns/extern_c_variadic.rs b/tests/rustdoc-json/fns/extern_c_variadic.rs index defe66345e83..8e9085640e04 100644 --- a/tests/rustdoc-json/fns/extern_c_variadic.rs +++ b/tests/rustdoc-json/fns/extern_c_variadic.rs @@ -1,6 +1,6 @@ extern "C" { - //@ is "$.index[*][?(@.name == 'not_variadic')].inner.function.decl.c_variadic" false + //@ is "$.index[*][?(@.name == 'not_variadic')].inner.function.sig.is_c_variadic" false pub fn not_variadic(_: i32); - //@ is "$.index[*][?(@.name == 'variadic')].inner.function.decl.c_variadic" true + //@ is "$.index[*][?(@.name == 'variadic')].inner.function.sig.is_c_variadic" true pub fn variadic(_: i32, ...); } diff --git a/tests/rustdoc-json/fns/generic_args.rs b/tests/rustdoc-json/fns/generic_args.rs index 75c5fcbb01f6..b5412446ab42 100644 --- a/tests/rustdoc-json/fns/generic_args.rs +++ b/tests/rustdoc-json/fns/generic_args.rs @@ -12,27 +12,27 @@ pub trait GenericFoo<'a> {} //@ is "$.index[*][?(@.name=='generics')].inner.function.generics.params[0].kind.type.default" 'null' //@ count "$.index[*][?(@.name=='generics')].inner.function.generics.params[0].kind.type.bounds[*]" 1 //@ is "$.index[*][?(@.name=='generics')].inner.function.generics.params[0].kind.type.bounds[0].trait_bound.trait.id" '$foo' -//@ count "$.index[*][?(@.name=='generics')].inner.function.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='generics')].inner.function.decl.inputs[0][0]" '"f"' -//@ is "$.index[*][?(@.name=='generics')].inner.function.decl.inputs[0][1].generic" '"F"' +//@ count "$.index[*][?(@.name=='generics')].inner.function.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='generics')].inner.function.sig.inputs[0][0]" '"f"' +//@ is "$.index[*][?(@.name=='generics')].inner.function.sig.inputs[0][1].generic" '"F"' pub fn generics(f: F) {} //@ is "$.index[*][?(@.name=='impl_trait')].inner.function.generics.where_predicates" "[]" //@ count "$.index[*][?(@.name=='impl_trait')].inner.function.generics.params[*]" 1 //@ is "$.index[*][?(@.name=='impl_trait')].inner.function.generics.params[0].name" '"impl Foo"' //@ is "$.index[*][?(@.name=='impl_trait')].inner.function.generics.params[0].kind.type.bounds[0].trait_bound.trait.id" $foo -//@ count "$.index[*][?(@.name=='impl_trait')].inner.function.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='impl_trait')].inner.function.decl.inputs[0][0]" '"f"' -//@ count "$.index[*][?(@.name=='impl_trait')].inner.function.decl.inputs[0][1].impl_trait[*]" 1 -//@ is "$.index[*][?(@.name=='impl_trait')].inner.function.decl.inputs[0][1].impl_trait[0].trait_bound.trait.id" $foo +//@ count "$.index[*][?(@.name=='impl_trait')].inner.function.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='impl_trait')].inner.function.sig.inputs[0][0]" '"f"' +//@ count "$.index[*][?(@.name=='impl_trait')].inner.function.sig.inputs[0][1].impl_trait[*]" 1 +//@ is "$.index[*][?(@.name=='impl_trait')].inner.function.sig.inputs[0][1].impl_trait[0].trait_bound.trait.id" $foo pub fn impl_trait(f: impl Foo) {} //@ count "$.index[*][?(@.name=='where_clase')].inner.function.generics.params[*]" 3 //@ is "$.index[*][?(@.name=='where_clase')].inner.function.generics.params[0].name" '"F"' -//@ is "$.index[*][?(@.name=='where_clase')].inner.function.generics.params[0].kind" '{"type": {"bounds": [], "default": null, "synthetic": false}}' -//@ count "$.index[*][?(@.name=='where_clase')].inner.function.decl.inputs[*]" 3 -//@ is "$.index[*][?(@.name=='where_clase')].inner.function.decl.inputs[0][0]" '"f"' -//@ is "$.index[*][?(@.name=='where_clase')].inner.function.decl.inputs[0][1].generic" '"F"' +//@ is "$.index[*][?(@.name=='where_clase')].inner.function.generics.params[0].kind" '{"type": {"bounds": [], "default": null, "is_synthetic": false}}' +//@ count "$.index[*][?(@.name=='where_clase')].inner.function.sig.inputs[*]" 3 +//@ is "$.index[*][?(@.name=='where_clase')].inner.function.sig.inputs[0][0]" '"f"' +//@ is "$.index[*][?(@.name=='where_clase')].inner.function.sig.inputs[0][1].generic" '"F"' //@ count "$.index[*][?(@.name=='where_clase')].inner.function.generics.where_predicates[*]" 3 //@ is "$.index[*][?(@.name=='where_clase')].inner.function.generics.where_predicates[0].bound_predicate.type.generic" \"F\" diff --git a/tests/rustdoc-json/fns/generic_returns.rs b/tests/rustdoc-json/fns/generic_returns.rs index 07dc691b933f..2f23801fc3f8 100644 --- a/tests/rustdoc-json/fns/generic_returns.rs +++ b/tests/rustdoc-json/fns/generic_returns.rs @@ -5,9 +5,9 @@ //@ set foo = "$.index[*][?(@.name=='Foo')].id" pub trait Foo {} -//@ is "$.index[*][?(@.name=='get_foo')].inner.function.decl.inputs" [] -//@ count "$.index[*][?(@.name=='get_foo')].inner.function.decl.output.impl_trait[*]" 1 -//@ is "$.index[*][?(@.name=='get_foo')].inner.function.decl.output.impl_trait[0].trait_bound.trait.id" $foo +//@ is "$.index[*][?(@.name=='get_foo')].inner.function.sig.inputs" [] +//@ count "$.index[*][?(@.name=='get_foo')].inner.function.sig.output.impl_trait[*]" 1 +//@ is "$.index[*][?(@.name=='get_foo')].inner.function.sig.output.impl_trait[0].trait_bound.trait.id" $foo pub fn get_foo() -> impl Foo { Fooer {} } diff --git a/tests/rustdoc-json/fns/generics.rs b/tests/rustdoc-json/fns/generics.rs index 43fc7279ded5..f2064fd1e93d 100644 --- a/tests/rustdoc-json/fns/generics.rs +++ b/tests/rustdoc-json/fns/generics.rs @@ -6,17 +6,17 @@ pub trait Wham {} //@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.generics.where_predicates" [] //@ count "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.generics.params[*]" 1 //@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.generics.params[0].name" '"T"' -//@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.generics.params[0].kind.type.synthetic" false +//@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.generics.params[0].kind.type.is_synthetic" false //@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.generics.params[0].kind.type.bounds[0].trait_bound.trait.id" $wham_id -//@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.decl.inputs" '[["w", {"generic": "T"}]]' +//@ is "$.index[*][?(@.name=='one_generic_param_fn')].inner.function.sig.inputs" '[["w", {"generic": "T"}]]' pub fn one_generic_param_fn(w: T) {} //@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.generics.where_predicates" [] //@ count "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.generics.params[*]" 1 //@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.generics.params[0].name" '"impl Wham"' -//@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.generics.params[0].kind.type.synthetic" true +//@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.generics.params[0].kind.type.is_synthetic" true //@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.generics.params[0].kind.type.bounds[0].trait_bound.trait.id" $wham_id -//@ count "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.decl.inputs[0][0]" '"w"' -//@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.decl.inputs[0][1].impl_trait[0].trait_bound.trait.id" $wham_id +//@ count "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.sig.inputs[0][0]" '"w"' +//@ is "$.index[*][?(@.name=='one_synthetic_generic_param_fn')].inner.function.sig.inputs[0][1].impl_trait[0].trait_bound.trait.id" $wham_id pub fn one_synthetic_generic_param_fn(w: impl Wham) {} diff --git a/tests/rustdoc-json/fns/pattern_arg.rs b/tests/rustdoc-json/fns/pattern_arg.rs index 3fa423bcefd2..d2a00f47438e 100644 --- a/tests/rustdoc-json/fns/pattern_arg.rs +++ b/tests/rustdoc-json/fns/pattern_arg.rs @@ -1,7 +1,7 @@ -//@ is "$.index[*][?(@.name=='fst')].inner.function.decl.inputs[0][0]" '"(x, _)"' +//@ is "$.index[*][?(@.name=='fst')].inner.function.sig.inputs[0][0]" '"(x, _)"' pub fn fst((x, _): (X, Y)) -> X { x } -//@ is "$.index[*][?(@.name=='drop_int')].inner.function.decl.inputs[0][0]" '"_"' +//@ is "$.index[*][?(@.name=='drop_int')].inner.function.sig.inputs[0][0]" '"_"' pub fn drop_int(_: i32) {} diff --git a/tests/rustdoc-json/fns/qualifiers.rs b/tests/rustdoc-json/fns/qualifiers.rs index beb1b4ccd10c..67e49f0780ae 100644 --- a/tests/rustdoc-json/fns/qualifiers.rs +++ b/tests/rustdoc-json/fns/qualifiers.rs @@ -1,33 +1,33 @@ //@ edition:2018 -//@ is "$.index[*][?(@.name=='nothing_fn')].inner.function.header.async" false -//@ is "$.index[*][?(@.name=='nothing_fn')].inner.function.header.const" false -//@ is "$.index[*][?(@.name=='nothing_fn')].inner.function.header.unsafe" false +//@ is "$.index[*][?(@.name=='nothing_fn')].inner.function.header.is_async" false +//@ is "$.index[*][?(@.name=='nothing_fn')].inner.function.header.is_const" false +//@ is "$.index[*][?(@.name=='nothing_fn')].inner.function.header.is_unsafe" false pub fn nothing_fn() {} -//@ is "$.index[*][?(@.name=='unsafe_fn')].inner.function.header.async" false -//@ is "$.index[*][?(@.name=='unsafe_fn')].inner.function.header.const" false -//@ is "$.index[*][?(@.name=='unsafe_fn')].inner.function.header.unsafe" true +//@ is "$.index[*][?(@.name=='unsafe_fn')].inner.function.header.is_async" false +//@ is "$.index[*][?(@.name=='unsafe_fn')].inner.function.header.is_const" false +//@ is "$.index[*][?(@.name=='unsafe_fn')].inner.function.header.is_unsafe" true pub unsafe fn unsafe_fn() {} -//@ is "$.index[*][?(@.name=='const_fn')].inner.function.header.async" false -//@ is "$.index[*][?(@.name=='const_fn')].inner.function.header.const" true -//@ is "$.index[*][?(@.name=='const_fn')].inner.function.header.unsafe" false +//@ is "$.index[*][?(@.name=='const_fn')].inner.function.header.is_async" false +//@ is "$.index[*][?(@.name=='const_fn')].inner.function.header.is_const" true +//@ is "$.index[*][?(@.name=='const_fn')].inner.function.header.is_unsafe" false pub const fn const_fn() {} -//@ is "$.index[*][?(@.name=='async_fn')].inner.function.header.async" true -//@ is "$.index[*][?(@.name=='async_fn')].inner.function.header.const" false -//@ is "$.index[*][?(@.name=='async_fn')].inner.function.header.unsafe" false +//@ is "$.index[*][?(@.name=='async_fn')].inner.function.header.is_async" true +//@ is "$.index[*][?(@.name=='async_fn')].inner.function.header.is_const" false +//@ is "$.index[*][?(@.name=='async_fn')].inner.function.header.is_unsafe" false pub async fn async_fn() {} -//@ is "$.index[*][?(@.name=='async_unsafe_fn')].inner.function.header.async" true -//@ is "$.index[*][?(@.name=='async_unsafe_fn')].inner.function.header.const" false -//@ is "$.index[*][?(@.name=='async_unsafe_fn')].inner.function.header.unsafe" true +//@ is "$.index[*][?(@.name=='async_unsafe_fn')].inner.function.header.is_async" true +//@ is "$.index[*][?(@.name=='async_unsafe_fn')].inner.function.header.is_const" false +//@ is "$.index[*][?(@.name=='async_unsafe_fn')].inner.function.header.is_unsafe" true pub async unsafe fn async_unsafe_fn() {} -//@ is "$.index[*][?(@.name=='const_unsafe_fn')].inner.function.header.async" false -//@ is "$.index[*][?(@.name=='const_unsafe_fn')].inner.function.header.const" true -//@ is "$.index[*][?(@.name=='const_unsafe_fn')].inner.function.header.unsafe" true +//@ is "$.index[*][?(@.name=='const_unsafe_fn')].inner.function.header.is_async" false +//@ is "$.index[*][?(@.name=='const_unsafe_fn')].inner.function.header.is_const" true +//@ is "$.index[*][?(@.name=='const_unsafe_fn')].inner.function.header.is_unsafe" true pub const unsafe fn const_unsafe_fn() {} // It's impossible for a function to be both const and async, so no test for that diff --git a/tests/rustdoc-json/fns/return_type_alias.rs b/tests/rustdoc-json/fns/return_type_alias.rs index 67bc46a87406..d60c4b682589 100644 --- a/tests/rustdoc-json/fns/return_type_alias.rs +++ b/tests/rustdoc-json/fns/return_type_alias.rs @@ -3,7 +3,7 @@ ///@ set foo = "$.index[*][?(@.name=='Foo')].id" pub type Foo = i32; -//@ is "$.index[*][?(@.name=='demo')].inner.function.decl.output.resolved_path.id" $foo +//@ is "$.index[*][?(@.name=='demo')].inner.function.sig.output.resolved_path.id" $foo pub fn demo() -> Foo { 42 } diff --git a/tests/rustdoc-json/generic-associated-types/gats.rs b/tests/rustdoc-json/generic-associated-types/gats.rs index 8a38230bb5d2..fdf605e92871 100644 --- a/tests/rustdoc-json/generic-associated-types/gats.rs +++ b/tests/rustdoc-json/generic-associated-types/gats.rs @@ -13,10 +13,10 @@ pub trait LendingIterator { where Self: 'a; - //@ count "$.index[*][?(@.name=='lending_next')].inner.function.decl.output.qualified_path.args.angle_bracketed.args[*]" 1 - //@ count "$.index[*][?(@.name=='lending_next')].inner.function.decl.output.qualified_path.args.angle_bracketed.bindings[*]" 0 - //@ is "$.index[*][?(@.name=='lending_next')].inner.function.decl.output.qualified_path.self_type.generic" \"Self\" - //@ is "$.index[*][?(@.name=='lending_next')].inner.function.decl.output.qualified_path.name" \"LendingItem\" + //@ count "$.index[*][?(@.name=='lending_next')].inner.function.sig.output.qualified_path.args.angle_bracketed.args[*]" 1 + //@ count "$.index[*][?(@.name=='lending_next')].inner.function.sig.output.qualified_path.args.angle_bracketed.bindings[*]" 0 + //@ is "$.index[*][?(@.name=='lending_next')].inner.function.sig.output.qualified_path.self_type.generic" \"Self\" + //@ is "$.index[*][?(@.name=='lending_next')].inner.function.sig.output.qualified_path.name" \"LendingItem\" fn lending_next<'a>(&'a self) -> Self::LendingItem<'a>; } @@ -26,9 +26,9 @@ pub trait Iterator { //@ count "$.index[*][?(@.name=='Item')].inner.assoc_type.bounds[*]" 1 type Item: Display; - //@ count "$.index[*][?(@.name=='next')].inner.function.decl.output.qualified_path.args.angle_bracketed.args[*]" 0 - //@ count "$.index[*][?(@.name=='next')].inner.function.decl.output.qualified_path.args.angle_bracketed.bindings[*]" 0 - //@ is "$.index[*][?(@.name=='next')].inner.function.decl.output.qualified_path.self_type.generic" \"Self\" - //@ is "$.index[*][?(@.name=='next')].inner.function.decl.output.qualified_path.name" \"Item\" + //@ count "$.index[*][?(@.name=='next')].inner.function.sig.output.qualified_path.args.angle_bracketed.args[*]" 0 + //@ count "$.index[*][?(@.name=='next')].inner.function.sig.output.qualified_path.args.angle_bracketed.bindings[*]" 0 + //@ is "$.index[*][?(@.name=='next')].inner.function.sig.output.qualified_path.self_type.generic" \"Self\" + //@ is "$.index[*][?(@.name=='next')].inner.function.sig.output.qualified_path.name" \"Item\" fn next<'a>(&'a self) -> Self::Item; } diff --git a/tests/rustdoc-json/glob_import.rs b/tests/rustdoc-json/glob_import.rs index a67a99a37cbc..b63e5dadd9e7 100644 --- a/tests/rustdoc-json/glob_import.rs +++ b/tests/rustdoc-json/glob_import.rs @@ -3,7 +3,7 @@ #![no_std] //@ has "$.index[*][?(@.name=='glob')]" -//@ has "$.index[*][?(@.inner.import)].inner.import.name" \"*\" +//@ has "$.index[*][?(@.inner.use)].inner.use.name" \"*\" mod m1 { pub fn f() {} diff --git a/tests/rustdoc-json/impl-trait-in-assoc-type.rs b/tests/rustdoc-json/impl-trait-in-assoc-type.rs index f02e38ca393d..907a0f6c603e 100644 --- a/tests/rustdoc-json/impl-trait-in-assoc-type.rs +++ b/tests/rustdoc-json/impl-trait-in-assoc-type.rs @@ -9,11 +9,11 @@ impl IntoIterator for AlwaysTrue { /// type Item type Item = bool; - //@ count '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.default.impl_trait[*]' 1 - //@ is '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.default.impl_trait[0].trait_bound.trait.name' '"Iterator"' - //@ count '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.default.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[*]' 1 - //@ is '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.default.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[0].name' '"Item"' - //@ is '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.default.impl_trait[0].trait_bound.trait.args.angle_bracketed.bindings[0].binding.equality.type.primitive' '"bool"' + //@ count '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.type.impl_trait[*]' 1 + //@ is '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.type.impl_trait[0].trait_bound.trait.name' '"Iterator"' + //@ count '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.type.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[*]' 1 + //@ is '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.type.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[0].name' '"Item"' + //@ is '$.index[*][?(@.docs=="type IntoIter")].inner.assoc_type.type.impl_trait[0].trait_bound.trait.args.angle_bracketed.constraints[0].binding.equality.type.primitive' '"bool"' //@ set IntoIter = '$.index[*][?(@.docs=="type IntoIter")].id' /// type IntoIter diff --git a/tests/rustdoc-json/impl-trait-precise-capturing.rs b/tests/rustdoc-json/impl-trait-precise-capturing.rs index 0c116a102901..52252560e6fd 100644 --- a/tests/rustdoc-json/impl-trait-precise-capturing.rs +++ b/tests/rustdoc-json/impl-trait-precise-capturing.rs @@ -1,4 +1,4 @@ -//@ is "$.index[*][?(@.name=='hello')].inner.function.decl.output.impl_trait[1].use[0]" \"\'a\" -//@ is "$.index[*][?(@.name=='hello')].inner.function.decl.output.impl_trait[1].use[1]" \"T\" -//@ is "$.index[*][?(@.name=='hello')].inner.function.decl.output.impl_trait[1].use[2]" \"N\" +//@ is "$.index[*][?(@.name=='hello')].inner.function.sig.output.impl_trait[1].use[0]" \"\'a\" +//@ is "$.index[*][?(@.name=='hello')].inner.function.sig.output.impl_trait[1].use[1]" \"T\" +//@ is "$.index[*][?(@.name=='hello')].inner.function.sig.output.impl_trait[1].use[2]" \"N\" pub fn hello<'a, T, const N: usize>() -> impl Sized + use<'a, T, N> {} diff --git a/tests/rustdoc-json/impls/auto.rs b/tests/rustdoc-json/impls/auto.rs index 84a1e6ed7d56..e14c935b23b8 100644 --- a/tests/rustdoc-json/impls/auto.rs +++ b/tests/rustdoc-json/impls/auto.rs @@ -18,5 +18,5 @@ impl Foo { //@ is "$.index[*][?(@.docs=='has span')].span.begin" "[13, 0]" //@ is "$.index[*][?(@.docs=='has span')].span.end" "[15, 1]" // FIXME: this doesn't work due to https://github.com/freestrings/jsonpath/issues/91 -// is "$.index[*][?(@.inner.impl.synthetic==true)].span" null +// is "$.index[*][?(@.inner.impl.is_synthetic==true)].span" null pub struct Foo; diff --git a/tests/rustdoc-json/impls/foreign_for_local.rs b/tests/rustdoc-json/impls/foreign_for_local.rs index 20690f26851b..1347f954cade 100644 --- a/tests/rustdoc-json/impls/foreign_for_local.rs +++ b/tests/rustdoc-json/impls/foreign_for_local.rs @@ -3,7 +3,7 @@ extern crate foreign_trait; /// ForeignTrait id hack pub use foreign_trait::ForeignTrait as _; -//@ set ForeignTrait = "$.index[*][?(@.docs=='ForeignTrait id hack')].inner.import.id" +//@ set ForeignTrait = "$.index[*][?(@.docs=='ForeignTrait id hack')].inner.use.id" pub struct LocalStruct; //@ set LocalStruct = "$.index[*][?(@.name=='LocalStruct')].id" diff --git a/tests/rustdoc-json/impls/import_from_private.rs b/tests/rustdoc-json/impls/import_from_private.rs index e386252e83b5..32b9abb0717c 100644 --- a/tests/rustdoc-json/impls/import_from_private.rs +++ b/tests/rustdoc-json/impls/import_from_private.rs @@ -11,10 +11,10 @@ mod bar { } } -//@ set import = "$.index[*][?(@.inner.import)].id" +//@ set import = "$.index[*][?(@.inner.use)].id" pub use bar::Baz; //@ is "$.index[*].inner.module.items[*]" $import -//@ is "$.index[*].inner.import.id" $baz +//@ is "$.index[*].inner.use.id" $baz //@ has "$.index[*][?(@.name == 'Baz')].inner.struct.impls[*]" $impl //@ is "$.index[*][?(@.docs=='impl')].inner.impl.items[*]" $doit diff --git a/tests/rustdoc-json/impls/local_for_foreign.rs b/tests/rustdoc-json/impls/local_for_foreign.rs index bd49269104fb..cd89c4753488 100644 --- a/tests/rustdoc-json/impls/local_for_foreign.rs +++ b/tests/rustdoc-json/impls/local_for_foreign.rs @@ -3,7 +3,7 @@ extern crate foreign_struct; /// ForeignStruct id hack pub use foreign_struct::ForeignStruct as _; -//@ set ForeignStruct = "$.index[*][?(@.docs=='ForeignStruct id hack')].inner.import.id" +//@ set ForeignStruct = "$.index[*][?(@.docs=='ForeignStruct id hack')].inner.use.id" pub trait LocalTrait {} //@ set LocalTrait = "$.index[*][?(@.name=='LocalTrait')].id" diff --git a/tests/rustdoc-json/lifetime/longest.rs b/tests/rustdoc-json/lifetime/longest.rs index 39f791d2b093..8ac60be0fefd 100644 --- a/tests/rustdoc-json/lifetime/longest.rs +++ b/tests/rustdoc-json/lifetime/longest.rs @@ -6,21 +6,21 @@ //@ count "$.index[*][?(@.name=='longest')].inner.function.generics.params[*]" 1 //@ is "$.index[*][?(@.name=='longest')].inner.function.generics.where_predicates" [] -//@ count "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[*]" 2 -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[0][0]" '"l"' -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[1][0]" '"r"' +//@ count "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[*]" 2 +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[0][0]" '"l"' +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[1][0]" '"r"' -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[0][1].borrowed_ref.lifetime" \"\'a\" -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[0][1].borrowed_ref.mutable" false -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[0][1].borrowed_ref.type.primitive" \"str\" +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[0][1].borrowed_ref.lifetime" \"\'a\" +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[0][1].borrowed_ref.is_mutable" false +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[0][1].borrowed_ref.type.primitive" \"str\" -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[1][1].borrowed_ref.lifetime" \"\'a\" -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[1][1].borrowed_ref.mutable" false -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.inputs[1][1].borrowed_ref.type.primitive" \"str\" +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[1][1].borrowed_ref.lifetime" \"\'a\" +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[1][1].borrowed_ref.is_mutable" false +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.inputs[1][1].borrowed_ref.type.primitive" \"str\" -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.output.borrowed_ref.lifetime" \"\'a\" -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.output.borrowed_ref.mutable" false -//@ is "$.index[*][?(@.name=='longest')].inner.function.decl.output.borrowed_ref.type.primitive" \"str\" +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.output.borrowed_ref.lifetime" \"\'a\" +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.output.borrowed_ref.is_mutable" false +//@ is "$.index[*][?(@.name=='longest')].inner.function.sig.output.borrowed_ref.type.primitive" \"str\" pub fn longest<'a>(l: &'a str, r: &'a str) -> &'a str { if l.len() > r.len() { l } else { r } diff --git a/tests/rustdoc-json/lifetime/outlives.rs b/tests/rustdoc-json/lifetime/outlives.rs index c98555d5737a..99d14296f999 100644 --- a/tests/rustdoc-json/lifetime/outlives.rs +++ b/tests/rustdoc-json/lifetime/outlives.rs @@ -10,9 +10,9 @@ //@ is "$.index[*][?(@.name=='foo')].inner.function.generics.params[2].kind.type.default" null //@ count "$.index[*][?(@.name=='foo')].inner.function.generics.params[2].kind.type.bounds[*]" 1 //@ is "$.index[*][?(@.name=='foo')].inner.function.generics.params[2].kind.type.bounds[0].outlives" \"\'b\" -//@ is "$.index[*][?(@.name=='foo')].inner.function.decl.inputs[0][1].borrowed_ref.lifetime" \"\'a\" -//@ is "$.index[*][?(@.name=='foo')].inner.function.decl.inputs[0][1].borrowed_ref.mutable" false -//@ is "$.index[*][?(@.name=='foo')].inner.function.decl.inputs[0][1].borrowed_ref.type.borrowed_ref.lifetime" \"\'b\" -//@ is "$.index[*][?(@.name=='foo')].inner.function.decl.inputs[0][1].borrowed_ref.type.borrowed_ref.mutable" false -//@ is "$.index[*][?(@.name=='foo')].inner.function.decl.inputs[0][1].borrowed_ref.type.borrowed_ref.type.generic" \"T\" +//@ is "$.index[*][?(@.name=='foo')].inner.function.sig.inputs[0][1].borrowed_ref.lifetime" \"\'a\" +//@ is "$.index[*][?(@.name=='foo')].inner.function.sig.inputs[0][1].borrowed_ref.is_mutable" false +//@ is "$.index[*][?(@.name=='foo')].inner.function.sig.inputs[0][1].borrowed_ref.type.borrowed_ref.lifetime" \"\'b\" +//@ is "$.index[*][?(@.name=='foo')].inner.function.sig.inputs[0][1].borrowed_ref.type.borrowed_ref.is_mutable" false +//@ is "$.index[*][?(@.name=='foo')].inner.function.sig.inputs[0][1].borrowed_ref.type.borrowed_ref.type.generic" \"T\" pub fn foo<'a, 'b: 'a, T: 'b>(_: &'a &'b T) {} diff --git a/tests/rustdoc-json/methods/qualifiers.rs b/tests/rustdoc-json/methods/qualifiers.rs index 8de8cfd4c15d..ba7c2e60936b 100644 --- a/tests/rustdoc-json/methods/qualifiers.rs +++ b/tests/rustdoc-json/methods/qualifiers.rs @@ -3,34 +3,34 @@ pub struct Foo; impl Foo { - //@ is "$.index[*][?(@.name=='const_meth')].inner.function.header.async" false - //@ is "$.index[*][?(@.name=='const_meth')].inner.function.header.const" true - //@ is "$.index[*][?(@.name=='const_meth')].inner.function.header.unsafe" false + //@ is "$.index[*][?(@.name=='const_meth')].inner.function.header.is_async" false + //@ is "$.index[*][?(@.name=='const_meth')].inner.function.header.is_const" true + //@ is "$.index[*][?(@.name=='const_meth')].inner.function.header.is_unsafe" false pub const fn const_meth() {} - //@ is "$.index[*][?(@.name=='nothing_meth')].inner.function.header.async" false - //@ is "$.index[*][?(@.name=='nothing_meth')].inner.function.header.const" false - //@ is "$.index[*][?(@.name=='nothing_meth')].inner.function.header.unsafe" false + //@ is "$.index[*][?(@.name=='nothing_meth')].inner.function.header.is_async" false + //@ is "$.index[*][?(@.name=='nothing_meth')].inner.function.header.is_const" false + //@ is "$.index[*][?(@.name=='nothing_meth')].inner.function.header.is_unsafe" false pub fn nothing_meth() {} - //@ is "$.index[*][?(@.name=='unsafe_meth')].inner.function.header.async" false - //@ is "$.index[*][?(@.name=='unsafe_meth')].inner.function.header.const" false - //@ is "$.index[*][?(@.name=='unsafe_meth')].inner.function.header.unsafe" true + //@ is "$.index[*][?(@.name=='unsafe_meth')].inner.function.header.is_async" false + //@ is "$.index[*][?(@.name=='unsafe_meth')].inner.function.header.is_const" false + //@ is "$.index[*][?(@.name=='unsafe_meth')].inner.function.header.is_unsafe" true pub unsafe fn unsafe_meth() {} - //@ is "$.index[*][?(@.name=='async_meth')].inner.function.header.async" true - //@ is "$.index[*][?(@.name=='async_meth')].inner.function.header.const" false - //@ is "$.index[*][?(@.name=='async_meth')].inner.function.header.unsafe" false + //@ is "$.index[*][?(@.name=='async_meth')].inner.function.header.is_async" true + //@ is "$.index[*][?(@.name=='async_meth')].inner.function.header.is_const" false + //@ is "$.index[*][?(@.name=='async_meth')].inner.function.header.is_unsafe" false pub async fn async_meth() {} - //@ is "$.index[*][?(@.name=='async_unsafe_meth')].inner.function.header.async" true - //@ is "$.index[*][?(@.name=='async_unsafe_meth')].inner.function.header.const" false - //@ is "$.index[*][?(@.name=='async_unsafe_meth')].inner.function.header.unsafe" true + //@ is "$.index[*][?(@.name=='async_unsafe_meth')].inner.function.header.is_async" true + //@ is "$.index[*][?(@.name=='async_unsafe_meth')].inner.function.header.is_const" false + //@ is "$.index[*][?(@.name=='async_unsafe_meth')].inner.function.header.is_unsafe" true pub async unsafe fn async_unsafe_meth() {} - //@ is "$.index[*][?(@.name=='const_unsafe_meth')].inner.function.header.async" false - //@ is "$.index[*][?(@.name=='const_unsafe_meth')].inner.function.header.const" true - //@ is "$.index[*][?(@.name=='const_unsafe_meth')].inner.function.header.unsafe" true + //@ is "$.index[*][?(@.name=='const_unsafe_meth')].inner.function.header.is_async" false + //@ is "$.index[*][?(@.name=='const_unsafe_meth')].inner.function.header.is_const" true + //@ is "$.index[*][?(@.name=='const_unsafe_meth')].inner.function.header.is_unsafe" true pub const unsafe fn const_unsafe_meth() {} // It's impossible for a method to be both const and async, so no test for that diff --git a/tests/rustdoc-json/nested.rs b/tests/rustdoc-json/nested.rs index ae2d9fe0ac55..10ec2831c212 100644 --- a/tests/rustdoc-json/nested.rs +++ b/tests/rustdoc-json/nested.rs @@ -22,11 +22,11 @@ pub mod l1 { //@ ismany "$.index[*][?(@.name=='l3')].inner.module.items[*]" $l4_id pub struct L4; } - //@ is "$.index[*][?(@.inner.import)].inner.import.glob" false - //@ is "$.index[*][?(@.inner.import)].inner.import.source" '"l3::L4"' - //@ is "$.index[*][?(@.inner.import)].inner.import.glob" false - //@ is "$.index[*][?(@.inner.import)].inner.import.id" $l4_id - //@ set l4_use_id = "$.index[*][?(@.inner.import)].id" + //@ is "$.index[*][?(@.inner.use)].inner.use.is_glob" false + //@ is "$.index[*][?(@.inner.use)].inner.use.source" '"l3::L4"' + //@ is "$.index[*][?(@.inner.use)].inner.use.is_glob" false + //@ is "$.index[*][?(@.inner.use)].inner.use.id" $l4_id + //@ set l4_use_id = "$.index[*][?(@.inner.use)].id" pub use l3::L4; } //@ ismany "$.index[*][?(@.name=='l1')].inner.module.items[*]" $l3_id $l4_use_id diff --git a/tests/rustdoc-json/non_lifetime_binders.rs b/tests/rustdoc-json/non_lifetime_binders.rs index 06f6e10aa85c..8443141fecd5 100644 --- a/tests/rustdoc-json/non_lifetime_binders.rs +++ b/tests/rustdoc-json/non_lifetime_binders.rs @@ -11,7 +11,7 @@ pub struct Wrapper(std::marker::PhantomData); //@ is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[0].name" \"\'a\" //@ is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[0].kind" '{ "lifetime": { "outlives": [] } }' //@ is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[1].name" \"T\" -//@ is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[1].kind" '{ "type": { "bounds": [], "default": null, "synthetic": false } }' +//@ is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[1].kind" '{ "type": { "bounds": [], "default": null, "is_synthetic": false } }' pub fn foo() where for<'a, T> &'a Wrapper: Trait, diff --git a/tests/rustdoc-json/primitives/use_primitive.rs b/tests/rustdoc-json/primitives/use_primitive.rs index 27394a688c4b..d4cdef84de84 100644 --- a/tests/rustdoc-json/primitives/use_primitive.rs +++ b/tests/rustdoc-json/primitives/use_primitive.rs @@ -13,7 +13,7 @@ mod usize {} //@ !is "$.index[*][?(@.name=='checked_add')]" $local_crate_id //@ !has "$.index[*][?(@.name=='is_ascii_uppercase')]" -//@ is "$.index[*].inner.import[?(@.name=='my_i32')].id" null +//@ is "$.index[*].inner.use[?(@.name=='my_i32')].id" null pub use i32 as my_i32; -//@ is "$.index[*].inner.import[?(@.name=='u32')].id" null +//@ is "$.index[*].inner.use[?(@.name=='u32')].id" null pub use u32; diff --git a/tests/rustdoc-json/reexport/extern_crate_glob.rs b/tests/rustdoc-json/reexport/extern_crate_glob.rs index a0b4cb8ab2cd..dfe6e7a03b15 100644 --- a/tests/rustdoc-json/reexport/extern_crate_glob.rs +++ b/tests/rustdoc-json/reexport/extern_crate_glob.rs @@ -6,6 +6,6 @@ extern crate enum_with_discriminant; pub use enum_with_discriminant::*; //@ !has '$.index[*][?(@.docs == "Should not be inlined")]' -//@ is '$.index[*][?(@.inner.import)].inner.import.name' \"enum_with_discriminant\" -//@ set use = '$.index[*][?(@.inner.import)].id' +//@ is '$.index[*][?(@.inner.use)].inner.use.name' \"enum_with_discriminant\" +//@ set use = '$.index[*][?(@.inner.use)].id' //@ is '$.index[*][?(@.name == "extern_crate_glob")].inner.module.items[*]' $use diff --git a/tests/rustdoc-json/reexport/glob_collision.rs b/tests/rustdoc-json/reexport/glob_collision.rs index 3a034afab65f..8142c35f4c71 100644 --- a/tests/rustdoc-json/reexport/glob_collision.rs +++ b/tests/rustdoc-json/reexport/glob_collision.rs @@ -14,13 +14,13 @@ mod m2 { } //@ set m1_use = "$.index[*][?(@.docs=='m1 re-export')].id" -//@ is "$.index[*].inner.import[?(@.name=='m1')].id" $m1 -//@ is "$.index[*].inner.import[?(@.name=='m1')].glob" true +//@ is "$.index[*].inner.use[?(@.name=='m1')].id" $m1 +//@ is "$.index[*].inner.use[?(@.name=='m1')].is_glob" true /// m1 re-export pub use m1::*; //@ set m2_use = "$.index[*][?(@.docs=='m2 re-export')].id" -//@ is "$.index[*].inner.import[?(@.name=='m2')].id" $m2 -//@ is "$.index[*].inner.import[?(@.name=='m2')].glob" true +//@ is "$.index[*].inner.use[?(@.name=='m2')].id" $m2 +//@ is "$.index[*].inner.use[?(@.name=='m2')].is_glob" true /// m2 re-export pub use m2::*; diff --git a/tests/rustdoc-json/reexport/glob_empty_mod.rs b/tests/rustdoc-json/reexport/glob_empty_mod.rs index 326df5fdb619..ee1779407f40 100644 --- a/tests/rustdoc-json/reexport/glob_empty_mod.rs +++ b/tests/rustdoc-json/reexport/glob_empty_mod.rs @@ -4,5 +4,5 @@ //@ set m1 = "$.index[*][?(@.name=='m1')].id" mod m1 {} -//@ is "$.index[*][?(@.inner.import)].inner.import.id" $m1 +//@ is "$.index[*][?(@.inner.use)].inner.use.id" $m1 pub use m1::*; diff --git a/tests/rustdoc-json/reexport/glob_extern.rs b/tests/rustdoc-json/reexport/glob_extern.rs index ff5d986d377f..98be47739413 100644 --- a/tests/rustdoc-json/reexport/glob_extern.rs +++ b/tests/rustdoc-json/reexport/glob_extern.rs @@ -12,8 +12,8 @@ mod mod1 { //@ set mod1_id = "$.index[*][?(@.name=='mod1')].id" } -//@ is "$.index[*][?(@.inner.import)].inner.import.glob" true -//@ is "$.index[*][?(@.inner.import)].inner.import.id" $mod1_id -//@ set use_id = "$.index[*][?(@.inner.import)].id" +//@ is "$.index[*][?(@.inner.use)].inner.use.is_glob" true +//@ is "$.index[*][?(@.inner.use)].inner.use.id" $mod1_id +//@ set use_id = "$.index[*][?(@.inner.use)].id" //@ ismany "$.index[*][?(@.name=='glob_extern')].inner.module.items[*]" $use_id pub use mod1::*; diff --git a/tests/rustdoc-json/reexport/glob_private.rs b/tests/rustdoc-json/reexport/glob_private.rs index 0a8891075920..2084ffc356e2 100644 --- a/tests/rustdoc-json/reexport/glob_private.rs +++ b/tests/rustdoc-json/reexport/glob_private.rs @@ -12,7 +12,7 @@ mod mod1 { } //@ set mod2_use_id = "$.index[*][?(@.docs=='Mod2 re-export')].id" - //@ is "$.index[*][?(@.docs=='Mod2 re-export')].inner.import.name" \"mod2\" + //@ is "$.index[*][?(@.docs=='Mod2 re-export')].inner.use.name" \"mod2\" /// Mod2 re-export pub use self::mod2::*; @@ -23,7 +23,7 @@ mod mod1 { } //@ set mod1_use_id = "$.index[*][?(@.docs=='Mod1 re-export')].id" -//@ is "$.index[*][?(@.docs=='Mod1 re-export')].inner.import.name" \"mod1\" +//@ is "$.index[*][?(@.docs=='Mod1 re-export')].inner.use.name" \"mod1\" /// Mod1 re-export pub use mod1::*; diff --git a/tests/rustdoc-json/reexport/in_root_and_mod.rs b/tests/rustdoc-json/reexport/in_root_and_mod.rs index f94e416c00f5..a1d2080c0688 100644 --- a/tests/rustdoc-json/reexport/in_root_and_mod.rs +++ b/tests/rustdoc-json/reexport/in_root_and_mod.rs @@ -4,10 +4,10 @@ mod foo { pub struct Foo; } -//@ has "$.index[*].inner[?(@.import.source=='foo::Foo')]" +//@ has "$.index[*].inner[?(@.use.source=='foo::Foo')]" pub use foo::Foo; pub mod bar { - //@ has "$.index[*].inner[?(@.import.source=='crate::foo::Foo')]" + //@ has "$.index[*].inner[?(@.use.source=='crate::foo::Foo')]" pub use crate::foo::Foo; } diff --git a/tests/rustdoc-json/reexport/in_root_and_mod_pub.rs b/tests/rustdoc-json/reexport/in_root_and_mod_pub.rs index 13dee3235422..7d26d2a970d4 100644 --- a/tests/rustdoc-json/reexport/in_root_and_mod_pub.rs +++ b/tests/rustdoc-json/reexport/in_root_and_mod_pub.rs @@ -5,14 +5,14 @@ pub mod foo { } //@ set root_import_id = "$.index[*][?(@.docs=='Outer re-export')].id" -//@ is "$.index[*].inner[?(@.import.source=='foo::Bar')].import.id" $bar_id +//@ is "$.index[*].inner[?(@.use.source=='foo::Bar')].use.id" $bar_id //@ has "$.index[*][?(@.name=='in_root_and_mod_pub')].inner.module.items[*]" $root_import_id /// Outer re-export pub use foo::Bar; pub mod baz { //@ set baz_import_id = "$.index[*][?(@.docs=='Inner re-export')].id" - //@ is "$.index[*].inner[?(@.import.source=='crate::foo::Bar')].import.id" $bar_id + //@ is "$.index[*].inner[?(@.use.source=='crate::foo::Bar')].use.id" $bar_id //@ ismany "$.index[*][?(@.name=='baz')].inner.module.items[*]" $baz_import_id /// Inner re-export pub use crate::foo::Bar; diff --git a/tests/rustdoc-json/reexport/mod_not_included.rs b/tests/rustdoc-json/reexport/mod_not_included.rs index 7e0c0118e846..d0ce95749f1b 100644 --- a/tests/rustdoc-json/reexport/mod_not_included.rs +++ b/tests/rustdoc-json/reexport/mod_not_included.rs @@ -7,5 +7,5 @@ mod m1 { pub use m1::x; //@ has "$.index[*][?(@.name=='x' && @.inner.function)]" -//@ has "$.index[*].inner[?(@.import.name=='x')].import.source" '"m1::x"' +//@ has "$.index[*].inner[?(@.use.name=='x')].use.source" '"m1::x"' //@ !has "$.index[*][?(@.name=='m1')]" diff --git a/tests/rustdoc-json/reexport/private_twice_one_inline.rs b/tests/rustdoc-json/reexport/private_twice_one_inline.rs index be66ad522da8..87b97e65c0ac 100644 --- a/tests/rustdoc-json/reexport/private_twice_one_inline.rs +++ b/tests/rustdoc-json/reexport/private_twice_one_inline.rs @@ -7,18 +7,18 @@ extern crate pub_struct as foo; #[doc(inline)] //@ set crate_use_id = "$.index[*][?(@.docs=='Hack A')].id" -//@ set foo_id = "$.index[*][?(@.docs=='Hack A')].inner.import.id" +//@ set foo_id = "$.index[*][?(@.docs=='Hack A')].inner.use.id" /// Hack A pub use foo::Foo; //@ set bar_id = "$.index[*][?(@.name=='bar')].id" pub mod bar { - //@ is "$.index[*][?(@.docs=='Hack B')].inner.import.id" $foo_id + //@ is "$.index[*][?(@.docs=='Hack B')].inner.use.id" $foo_id //@ set bar_use_id = "$.index[*][?(@.docs=='Hack B')].id" //@ ismany "$.index[*][?(@.name=='bar')].inner.module.items[*]" $bar_use_id /// Hack B pub use foo::Foo; } -//@ ismany "$.index[*][?(@.inner.import)].id" $crate_use_id $bar_use_id +//@ ismany "$.index[*][?(@.inner.use)].id" $crate_use_id $bar_use_id //@ ismany "$.index[*][?(@.name=='private_twice_one_inline')].inner.module.items[*]" $bar_id $crate_use_id diff --git a/tests/rustdoc-json/reexport/private_two_names.rs b/tests/rustdoc-json/reexport/private_two_names.rs index 1e5466dba5e4..1ed54f15fdc3 100644 --- a/tests/rustdoc-json/reexport/private_two_names.rs +++ b/tests/rustdoc-json/reexport/private_two_names.rs @@ -9,13 +9,13 @@ mod style { pub struct Color; } -//@ is "$.index[*][?(@.docs=='First re-export')].inner.import.id" $color_struct_id -//@ is "$.index[*][?(@.docs=='First re-export')].inner.import.name" \"Color\" +//@ is "$.index[*][?(@.docs=='First re-export')].inner.use.id" $color_struct_id +//@ is "$.index[*][?(@.docs=='First re-export')].inner.use.name" \"Color\" //@ set color_export_id = "$.index[*][?(@.docs=='First re-export')].id" /// First re-export pub use style::Color; -//@ is "$.index[*][?(@.docs=='Second re-export')].inner.import.id" $color_struct_id -//@ is "$.index[*][?(@.docs=='Second re-export')].inner.import.name" \"Colour\" +//@ is "$.index[*][?(@.docs=='Second re-export')].inner.use.id" $color_struct_id +//@ is "$.index[*][?(@.docs=='Second re-export')].inner.use.name" \"Colour\" //@ set colour_export_id = "$.index[*][?(@.docs=='Second re-export')].id" /// Second re-export pub use style::Color as Colour; diff --git a/tests/rustdoc-json/reexport/reexport_of_hidden.rs b/tests/rustdoc-json/reexport/reexport_of_hidden.rs index 07ce1f5c20a1..80f171da888e 100644 --- a/tests/rustdoc-json/reexport/reexport_of_hidden.rs +++ b/tests/rustdoc-json/reexport/reexport_of_hidden.rs @@ -1,6 +1,6 @@ //@ compile-flags: --document-hidden-items -//@ has "$.index[*].inner[?(@.import.name=='UsedHidden')]" +//@ has "$.index[*].inner[?(@.use.name=='UsedHidden')]" //@ has "$.index[*][?(@.name=='Hidden')]" pub mod submodule { #[doc(hidden)] diff --git a/tests/rustdoc-json/reexport/rename_private.rs b/tests/rustdoc-json/reexport/rename_private.rs index 3335d18e27b1..3f13f305d644 100644 --- a/tests/rustdoc-json/reexport/rename_private.rs +++ b/tests/rustdoc-json/reexport/rename_private.rs @@ -6,5 +6,5 @@ mod inner { pub struct Public; } -//@ is "$.index[*][?(@.inner.import)].inner.import.name" \"NewName\" +//@ is "$.index[*][?(@.inner.use)].inner.use.name" \"NewName\" pub use inner::Public as NewName; diff --git a/tests/rustdoc-json/reexport/rename_public.rs b/tests/rustdoc-json/reexport/rename_public.rs index e534f458f937..81c003a51c4a 100644 --- a/tests/rustdoc-json/reexport/rename_public.rs +++ b/tests/rustdoc-json/reexport/rename_public.rs @@ -7,8 +7,8 @@ pub mod inner { pub struct Public; } //@ set import_id = "$.index[*][?(@.docs=='Re-export')].id" -//@ !has "$.index[*].inner[?(@.import.name=='Public')]" -//@ is "$.index[*].inner[?(@.import.name=='NewName')].import.source" \"inner::Public\" +//@ !has "$.index[*].inner[?(@.use.name=='Public')]" +//@ is "$.index[*].inner[?(@.use.name=='NewName')].use.source" \"inner::Public\" /// Re-export pub use inner::Public as NewName; diff --git a/tests/rustdoc-json/reexport/same_name_different_types.rs b/tests/rustdoc-json/reexport/same_name_different_types.rs index b0a06d4ecfab..e9bc4a5ac406 100644 --- a/tests/rustdoc-json/reexport/same_name_different_types.rs +++ b/tests/rustdoc-json/reexport/same_name_different_types.rs @@ -13,10 +13,10 @@ pub mod nested { pub fn Foo() {} } -//@ ismany "$.index[*].inner[?(@.import.name == 'Foo')].import.id" $foo_fn $foo_struct -//@ ismany "$.index[*].inner[?(@.import.name == 'Bar')].import.id" $foo_fn $foo_struct +//@ ismany "$.index[*].inner[?(@.use.name == 'Foo')].use.id" $foo_fn $foo_struct +//@ ismany "$.index[*].inner[?(@.use.name == 'Bar')].use.id" $foo_fn $foo_struct -//@ count "$.index[*].inner[?(@.import.name == 'Foo')]" 2 +//@ count "$.index[*].inner[?(@.use.name == 'Foo')]" 2 pub use nested::Foo; -//@ count "$.index[*].inner[?(@.import.name == 'Bar')]" 2 +//@ count "$.index[*].inner[?(@.use.name == 'Bar')]" 2 pub use Foo as Bar; diff --git a/tests/rustdoc-json/reexport/same_type_reexported_more_than_once.rs b/tests/rustdoc-json/reexport/same_type_reexported_more_than_once.rs index c533b9ba7709..27e2827d08dd 100644 --- a/tests/rustdoc-json/reexport/same_type_reexported_more_than_once.rs +++ b/tests/rustdoc-json/reexport/same_type_reexported_more_than_once.rs @@ -10,11 +10,11 @@ mod inner { } //@ set export_id = "$.index[*][?(@.docs=='First re-export')].id" -//@ is "$.index[*].inner[?(@.import.name=='Trait')].import.id" $trait_id +//@ is "$.index[*].inner[?(@.use.name=='Trait')].use.id" $trait_id /// First re-export pub use inner::Trait; //@ set reexport_id = "$.index[*][?(@.docs=='Second re-export')].id" -//@ is "$.index[*].inner[?(@.import.name=='Reexport')].import.id" $trait_id +//@ is "$.index[*].inner[?(@.use.name=='Reexport')].use.id" $trait_id /// Second re-export pub use inner::Trait as Reexport; diff --git a/tests/rustdoc-json/reexport/simple_private.rs b/tests/rustdoc-json/reexport/simple_private.rs index 9af0157818b4..8a936f5da1b9 100644 --- a/tests/rustdoc-json/reexport/simple_private.rs +++ b/tests/rustdoc-json/reexport/simple_private.rs @@ -6,9 +6,9 @@ mod inner { pub struct Public; } -//@ is "$.index[*][?(@.inner.import)].inner.import.name" \"Public\" -//@ is "$.index[*][?(@.inner.import)].inner.import.id" $pub_id -//@ set use_id = "$.index[*][?(@.inner.import)].id" +//@ is "$.index[*][?(@.inner.use)].inner.use.name" \"Public\" +//@ is "$.index[*][?(@.inner.use)].inner.use.id" $pub_id +//@ set use_id = "$.index[*][?(@.inner.use)].id" pub use inner::Public; //@ ismany "$.index[*][?(@.name=='simple_private')].inner.module.items[*]" $use_id diff --git a/tests/rustdoc-json/reexport/simple_public.rs b/tests/rustdoc-json/reexport/simple_public.rs index d7b44b2f9877..e5a8dc7d2ad0 100644 --- a/tests/rustdoc-json/reexport/simple_public.rs +++ b/tests/rustdoc-json/reexport/simple_public.rs @@ -9,7 +9,7 @@ pub mod inner { } //@ set import_id = "$.index[*][?(@.docs=='Outer')].id" -//@ is "$.index[*][?(@.docs=='Outer')].inner.import.source" \"inner::Public\" +//@ is "$.index[*][?(@.docs=='Outer')].inner.use.source" \"inner::Public\" /// Outer pub use inner::Public; diff --git a/tests/rustdoc-json/return_private.rs b/tests/rustdoc-json/return_private.rs index 4a1922e15e5f..0b341e2bda7d 100644 --- a/tests/rustdoc-json/return_private.rs +++ b/tests/rustdoc-json/return_private.rs @@ -6,7 +6,7 @@ mod secret { } //@ has "$.index[*][?(@.name=='get_secret')].inner.function" -//@ is "$.index[*][?(@.name=='get_secret')].inner.function.decl.output.resolved_path.name" \"secret::Secret\" +//@ is "$.index[*][?(@.name=='get_secret')].inner.function.sig.output.resolved_path.name" \"secret::Secret\" pub fn get_secret() -> secret::Secret { secret::Secret } diff --git a/tests/rustdoc-json/structs/plain_all_pub.rs b/tests/rustdoc-json/structs/plain_all_pub.rs index aa53b59726a9..67d2a4a7a8cf 100644 --- a/tests/rustdoc-json/structs/plain_all_pub.rs +++ b/tests/rustdoc-json/structs/plain_all_pub.rs @@ -8,4 +8,4 @@ pub struct Demo { //@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[0]" $x //@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[1]" $y //@ count "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[*]" 2 -//@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields_stripped" false +//@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.has_stripped_fields" false diff --git a/tests/rustdoc-json/structs/plain_doc_hidden.rs b/tests/rustdoc-json/structs/plain_doc_hidden.rs index 39f9367cb935..4573adc73fa1 100644 --- a/tests/rustdoc-json/structs/plain_doc_hidden.rs +++ b/tests/rustdoc-json/structs/plain_doc_hidden.rs @@ -8,4 +8,4 @@ pub struct Demo { //@ !has "$.index[*][?(@.name=='y')].id" //@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[0]" $x //@ count "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[*]" 1 -//@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields_stripped" true +//@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.has_stripped_fields" true diff --git a/tests/rustdoc-json/structs/plain_empty.rs b/tests/rustdoc-json/structs/plain_empty.rs index 00b4b05ebddd..30013021abef 100644 --- a/tests/rustdoc-json/structs/plain_empty.rs +++ b/tests/rustdoc-json/structs/plain_empty.rs @@ -1,5 +1,5 @@ //@ is "$.index[*][?(@.name=='PlainEmpty')].visibility" \"public\" //@ has "$.index[*][?(@.name=='PlainEmpty')].inner.struct" -//@ is "$.index[*][?(@.name=='PlainEmpty')].inner.struct.kind.plain.fields_stripped" false +//@ is "$.index[*][?(@.name=='PlainEmpty')].inner.struct.kind.plain.has_stripped_fields" false //@ is "$.index[*][?(@.name=='PlainEmpty')].inner.struct.kind.plain.fields" [] pub struct PlainEmpty {} diff --git a/tests/rustdoc-json/structs/plain_pub_priv.rs b/tests/rustdoc-json/structs/plain_pub_priv.rs index f9ab8714f81a..91079a30d42e 100644 --- a/tests/rustdoc-json/structs/plain_pub_priv.rs +++ b/tests/rustdoc-json/structs/plain_pub_priv.rs @@ -6,4 +6,4 @@ pub struct Demo { //@ set x = "$.index[*][?(@.name=='x')].id" //@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[0]" $x //@ count "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields[*]" 1 -//@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.fields_stripped" true +//@ is "$.index[*][?(@.name=='Demo')].inner.struct.kind.plain.has_stripped_fields" true diff --git a/tests/rustdoc-json/structs/with_generics.rs b/tests/rustdoc-json/structs/with_generics.rs index 6e13dae9ebff..3e7f175a5a1a 100644 --- a/tests/rustdoc-json/structs/with_generics.rs +++ b/tests/rustdoc-json/structs/with_generics.rs @@ -6,7 +6,7 @@ use std::collections::HashMap; //@ is "$.index[*][?(@.name=='WithGenerics')].inner.struct.generics.params[0].kind.type.bounds" [] //@ is "$.index[*][?(@.name=='WithGenerics')].inner.struct.generics.params[1].name" \"U\" //@ is "$.index[*][?(@.name=='WithGenerics')].inner.struct.generics.params[1].kind.type.bounds" [] -//@ is "$.index[*][?(@.name=='WithGenerics')].inner.struct.kind.plain.fields_stripped" true +//@ is "$.index[*][?(@.name=='WithGenerics')].inner.struct.kind.plain.has_stripped_fields" true //@ is "$.index[*][?(@.name=='WithGenerics')].inner.struct.kind.plain.fields" [] pub struct WithGenerics { stuff: Vec, diff --git a/tests/rustdoc-json/structs/with_primitives.rs b/tests/rustdoc-json/structs/with_primitives.rs index 2ca11b50608f..7202ab9af9c2 100644 --- a/tests/rustdoc-json/structs/with_primitives.rs +++ b/tests/rustdoc-json/structs/with_primitives.rs @@ -4,7 +4,7 @@ //@ has "$.index[*][?(@.name=='WithPrimitives')].inner.struct" //@ is "$.index[*][?(@.name=='WithPrimitives')].inner.struct.generics.params[0].name" \"\'a\" //@ is "$.index[*][?(@.name=='WithPrimitives')].inner.struct.generics.params[0].kind.lifetime.outlives" [] -//@ is "$.index[*][?(@.name=='WithPrimitives')].inner.struct.kind.plain.fields_stripped" true +//@ is "$.index[*][?(@.name=='WithPrimitives')].inner.struct.kind.plain.has_stripped_fields" true //@ is "$.index[*][?(@.name=='WithPrimitives')].inner.struct.kind.plain.fields" [] pub struct WithPrimitives<'a> { num: u32, diff --git a/tests/rustdoc-json/trait_alias.rs b/tests/rustdoc-json/trait_alias.rs index ca9e5edfdf7e..3ae5fad8accd 100644 --- a/tests/rustdoc-json/trait_alias.rs +++ b/tests/rustdoc-json/trait_alias.rs @@ -7,12 +7,12 @@ //@ is "$.index[*][?(@.name=='StrLike')].span.filename" $FILE pub trait StrLike = AsRef; -//@ is "$.index[*][?(@.name=='f')].inner.function.decl.output.impl_trait[0].trait_bound.trait.id" $StrLike +//@ is "$.index[*][?(@.name=='f')].inner.function.sig.output.impl_trait[0].trait_bound.trait.id" $StrLike pub fn f() -> impl StrLike { "heya" } -//@ !is "$.index[*][?(@.name=='g')].inner.function.decl.output.impl_trait[0].trait_bound.trait.id" $StrLike +//@ !is "$.index[*][?(@.name=='g')].inner.function.sig.output.impl_trait[0].trait_bound.trait.id" $StrLike pub fn g() -> impl AsRef { "heya" } diff --git a/tests/rustdoc-json/traits/self.rs b/tests/rustdoc-json/traits/self.rs index c7d952ae567d..060bc37f2d5e 100644 --- a/tests/rustdoc-json/traits/self.rs +++ b/tests/rustdoc-json/traits/self.rs @@ -9,29 +9,29 @@ pub struct Foo; // Each assertion matches 3 times, and should be the same each time. impl Foo { - //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.decl.inputs[0][0]' '"self"' '"self"' '"self"' - //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.decl.inputs[0][1].borrowed_ref.type.generic' '"Self"' '"Self"' '"Self"' - //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.decl.inputs[0][1].borrowed_ref.lifetime' null null null - //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.decl.inputs[0][1].borrowed_ref.mutable' false false false + //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.sig.inputs[0][0]' '"self"' '"self"' '"self"' + //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.sig.inputs[0][1].borrowed_ref.type.generic' '"Self"' '"Self"' '"Self"' + //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.sig.inputs[0][1].borrowed_ref.lifetime' null null null + //@ ismany '$.index[*][?(@.name=="by_ref")].inner.function.sig.inputs[0][1].borrowed_ref.is_mutable' false false false pub fn by_ref(&self) {} - //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.decl.inputs[0][0]' '"self"' '"self"' '"self"' - //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.decl.inputs[0][1].borrowed_ref.type.generic' '"Self"' '"Self"' '"Self"' - //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.decl.inputs[0][1].borrowed_ref.lifetime' null null null - //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.decl.inputs[0][1].borrowed_ref.mutable' true true true + //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.sig.inputs[0][0]' '"self"' '"self"' '"self"' + //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.sig.inputs[0][1].borrowed_ref.type.generic' '"Self"' '"Self"' '"Self"' + //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.sig.inputs[0][1].borrowed_ref.lifetime' null null null + //@ ismany '$.index[*][?(@.name=="by_exclusive_ref")].inner.function.sig.inputs[0][1].borrowed_ref.is_mutable' true true true pub fn by_exclusive_ref(&mut self) {} - //@ ismany '$.index[*][?(@.name=="by_value")].inner.function.decl.inputs[0][0]' '"self"' '"self"' '"self"' - //@ ismany '$.index[*][?(@.name=="by_value")].inner.function.decl.inputs[0][1].generic' '"Self"' '"Self"' '"Self"' + //@ ismany '$.index[*][?(@.name=="by_value")].inner.function.sig.inputs[0][0]' '"self"' '"self"' '"self"' + //@ ismany '$.index[*][?(@.name=="by_value")].inner.function.sig.inputs[0][1].generic' '"Self"' '"Self"' '"Self"' pub fn by_value(self) {} - //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.decl.inputs[0][0]' '"self"' '"self"' '"self"' - //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.decl.inputs[0][1].borrowed_ref.type.generic' '"Self"' '"Self"' '"Self"' - //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.decl.inputs[0][1].borrowed_ref.lifetime' \"\'a\" \"\'a\" \"\'a\" - //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.decl.inputs[0][1].borrowed_ref.mutable' false false false + //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.sig.inputs[0][0]' '"self"' '"self"' '"self"' + //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.sig.inputs[0][1].borrowed_ref.type.generic' '"Self"' '"Self"' '"Self"' + //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.sig.inputs[0][1].borrowed_ref.lifetime' \"\'a\" \"\'a\" \"\'a\" + //@ ismany '$.index[*][?(@.name=="with_lifetime")].inner.function.sig.inputs[0][1].borrowed_ref.is_mutable' false false false pub fn with_lifetime<'a>(&'a self) {} - //@ ismany '$.index[*][?(@.name=="build")].inner.function.decl.output.generic' '"Self"' '"Self"' '"Self"' + //@ ismany '$.index[*][?(@.name=="build")].inner.function.sig.output.generic' '"Self"' '"Self"' '"Self"' pub fn build() -> Self { Self } diff --git a/tests/rustdoc-json/traits/trait_alias.rs b/tests/rustdoc-json/traits/trait_alias.rs index a1ab039692be..17c83ddc353c 100644 --- a/tests/rustdoc-json/traits/trait_alias.rs +++ b/tests/rustdoc-json/traits/trait_alias.rs @@ -19,8 +19,8 @@ pub struct Struct; impl Orig for Struct {} -//@ has "$.index[*][?(@.name=='takes_alias')].inner.function.decl.inputs[0][1].impl_trait" -//@ is "$.index[*][?(@.name=='takes_alias')].inner.function.decl.inputs[0][1].impl_trait[0].trait_bound.trait.id" $Alias +//@ has "$.index[*][?(@.name=='takes_alias')].inner.function.sig.inputs[0][1].impl_trait" +//@ is "$.index[*][?(@.name=='takes_alias')].inner.function.sig.inputs[0][1].impl_trait[0].trait_bound.trait.id" $Alias //@ is "$.index[*][?(@.name=='takes_alias')].inner.function.generics.params[0].kind.type.bounds[0].trait_bound.trait.id" $Alias pub fn takes_alias(_: impl Alias) {} // FIXME: Should the trait be mentioned in both the decl and generics? diff --git a/tests/rustdoc-json/type/dyn.rs b/tests/rustdoc-json/type/dyn.rs index 86ea1c2b5f22..97c8689a7c80 100644 --- a/tests/rustdoc-json/type/dyn.rs +++ b/tests/rustdoc-json/type/dyn.rs @@ -11,7 +11,7 @@ use std::fmt::Debug; //@ is "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.generics" '{"params": [], "where_predicates": []}' //@ has "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path" //@ is "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path.name" \"Box\" -//@ is "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path.args.angle_bracketed.bindings" [] +//@ is "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path.args.angle_bracketed.constraints" [] //@ count "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path.args.angle_bracketed.args" 1 //@ has "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path.args.angle_bracketed.args[0].type.dyn_trait" //@ is "$.index[*][?(@.name=='SyncIntGen')].inner.type_alias.type.resolved_path.args.angle_bracketed.args[0].type.dyn_trait.lifetime" \"\'static\" @@ -28,7 +28,7 @@ pub type SyncIntGen = Box i32 + Send + Sync + 'static>; //@ has "$.index[*][?(@.name=='RefFn')].inner.type_alias" //@ is "$.index[*][?(@.name=='RefFn')].inner.type_alias.generics" '{"params": [{"kind": {"lifetime": {"outlives": []}},"name": "'\''a"}],"where_predicates": []}' //@ has "$.index[*][?(@.name=='RefFn')].inner.type_alias.type.borrowed_ref" -//@ is "$.index[*][?(@.name=='RefFn')].inner.type_alias.type.borrowed_ref.mutable" 'false' +//@ is "$.index[*][?(@.name=='RefFn')].inner.type_alias.type.borrowed_ref.is_mutable" 'false' //@ is "$.index[*][?(@.name=='RefFn')].inner.type_alias.type.borrowed_ref.lifetime" "\"'a\"" //@ has "$.index[*][?(@.name=='RefFn')].inner.type_alias.type.borrowed_ref.type.dyn_trait" //@ is "$.index[*][?(@.name=='RefFn')].inner.type_alias.type.borrowed_ref.type.dyn_trait.lifetime" null diff --git a/tests/rustdoc-json/type/extern.rs b/tests/rustdoc-json/type/extern.rs index fda5d5ab970e..97e1c3760ee5 100644 --- a/tests/rustdoc-json/type/extern.rs +++ b/tests/rustdoc-json/type/extern.rs @@ -6,4 +6,4 @@ extern "C" { } //@ is "$.index[*][?(@.docs=='No inner information')].name" '"Foo"' -//@ is "$.index[*][?(@.docs=='No inner information')].inner" \"foreign_type\" +//@ is "$.index[*][?(@.docs=='No inner information')].inner" \"extern_type\" diff --git a/tests/rustdoc-json/type/fn_lifetime.rs b/tests/rustdoc-json/type/fn_lifetime.rs index 2893b37319ff..7fa12dad54e9 100644 --- a/tests/rustdoc-json/type/fn_lifetime.rs +++ b/tests/rustdoc-json/type/fn_lifetime.rs @@ -7,9 +7,9 @@ //@ count "$.index[*][?(@.name=='GenericFn')].inner.type_alias.generics.params[*].kind.lifetime.outlives[*]" 0 //@ count "$.index[*][?(@.name=='GenericFn')].inner.type_alias.generics.where_predicates[*]" 0 //@ count "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.generic_params[*]" 0 -//@ count "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.decl.inputs[*][1].borrowed_ref.lifetime" \"\'a\" -//@ is "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.decl.output.borrowed_ref.lifetime" \"\'a\" +//@ count "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.sig.inputs[*][1].borrowed_ref.lifetime" \"\'a\" +//@ is "$.index[*][?(@.name=='GenericFn')].inner.type_alias.type.function_pointer.sig.output.borrowed_ref.lifetime" \"\'a\" pub type GenericFn<'a> = fn(&'a i32) -> &'a i32; @@ -20,7 +20,7 @@ pub type GenericFn<'a> = fn(&'a i32) -> &'a i32; //@ is "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.generic_params[*].name" \"\'a\" //@ has "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.generic_params[*].kind.lifetime" //@ count "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.generic_params[*].kind.lifetime.outlives[*]" 0 -//@ count "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.decl.inputs[*][1].borrowed_ref.lifetime" \"\'a\" -//@ is "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.decl.output.borrowed_ref.lifetime" \"\'a\" +//@ count "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.sig.inputs[*][1].borrowed_ref.lifetime" \"\'a\" +//@ is "$.index[*][?(@.name=='ForAll')].inner.type_alias.type.function_pointer.sig.output.borrowed_ref.lifetime" \"\'a\" pub type ForAll = for<'a> fn(&'a i32) -> &'a i32; diff --git a/tests/rustdoc-json/type/generic_default.rs b/tests/rustdoc-json/type/generic_default.rs index 306376354cef..c1a05805014a 100644 --- a/tests/rustdoc-json/type/generic_default.rs +++ b/tests/rustdoc-json/type/generic_default.rs @@ -25,7 +25,7 @@ pub struct MyError {} //@ has "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path" //@ is "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.id" $result //@ is "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.name" \"Result\" -//@ is "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.args.angle_bracketed.bindings" [] +//@ is "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.args.angle_bracketed.constraints" [] //@ has "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.args.angle_bracketed.args[0].type.generic" //@ has "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.args.angle_bracketed.args[1].type.generic" //@ is "$.index[*][?(@.name=='MyResult')].inner.type_alias.type.resolved_path.args.angle_bracketed.args[0].type.generic" \"T\" diff --git a/tests/rustdoc-json/type/hrtb.rs b/tests/rustdoc-json/type/hrtb.rs index a28b2fddf469..825720e9198b 100644 --- a/tests/rustdoc-json/type/hrtb.rs +++ b/tests/rustdoc-json/type/hrtb.rs @@ -12,10 +12,10 @@ where //@ is "$.index[*][?(@.name=='dynfn')].inner.function.generics" '{"params": [], "where_predicates": []}' //@ is "$.index[*][?(@.name=='dynfn')].inner.function.generics" '{"params": [], "where_predicates": []}' -//@ is "$.index[*][?(@.name=='dynfn')].inner.function.decl.inputs[0][1].borrowed_ref.type.dyn_trait.lifetime" null -//@ count "$.index[*][?(@.name=='dynfn')].inner.function.decl.inputs[0][1].borrowed_ref.type.dyn_trait.traits[*]" 1 -//@ is "$.index[*][?(@.name=='dynfn')].inner.function.decl.inputs[0][1].borrowed_ref.type.dyn_trait.traits[0].generic_params" '[{"kind": {"lifetime": {"outlives": []}},"name": "'\''a"},{"kind": {"lifetime": {"outlives": []}},"name": "'\''b"}]' -//@ is "$.index[*][?(@.name=='dynfn')].inner.function.decl.inputs[0][1].borrowed_ref.type.dyn_trait.traits[0].trait.name" '"Fn"' +//@ is "$.index[*][?(@.name=='dynfn')].inner.function.sig.inputs[0][1].borrowed_ref.type.dyn_trait.lifetime" null +//@ count "$.index[*][?(@.name=='dynfn')].inner.function.sig.inputs[0][1].borrowed_ref.type.dyn_trait.traits[*]" 1 +//@ is "$.index[*][?(@.name=='dynfn')].inner.function.sig.inputs[0][1].borrowed_ref.type.dyn_trait.traits[0].generic_params" '[{"kind": {"lifetime": {"outlives": []}},"name": "'\''a"},{"kind": {"lifetime": {"outlives": []}},"name": "'\''b"}]' +//@ is "$.index[*][?(@.name=='dynfn')].inner.function.sig.inputs[0][1].borrowed_ref.type.dyn_trait.traits[0].trait.name" '"Fn"' pub fn dynfn(f: &dyn for<'a, 'b> Fn(&'a i32, &'b i32)) { let zero = 0; f(&zero, &zero); diff --git a/tests/rustdoc-json/type/inherent_associated_type.rs b/tests/rustdoc-json/type/inherent_associated_type.rs index 386c7c80d7fa..b8ce11fc6e19 100644 --- a/tests/rustdoc-json/type/inherent_associated_type.rs +++ b/tests/rustdoc-json/type/inherent_associated_type.rs @@ -10,9 +10,9 @@ pub struct Owner; pub fn create() -> Owner::Metadata { OwnerMetadata } -//@ is '$.index[*][?(@.name=="create")].inner.function.decl.output.qualified_path.name' '"Metadata"' -//@ is '$.index[*][?(@.name=="create")].inner.function.decl.output.qualified_path.trait' null -//@ is '$.index[*][?(@.name=="create")].inner.function.decl.output.qualified_path.self_type.resolved_path.id' $Owner +//@ is '$.index[*][?(@.name=="create")].inner.function.sig.output.qualified_path.name' '"Metadata"' +//@ is '$.index[*][?(@.name=="create")].inner.function.sig.output.qualified_path.trait' null +//@ is '$.index[*][?(@.name=="create")].inner.function.sig.output.qualified_path.self_type.resolved_path.id' $Owner /// impl impl Owner { @@ -21,4 +21,4 @@ impl Owner { } //@ set iat = '$.index[*][?(@.docs=="iat")].id' //@ is '$.index[*][?(@.docs=="impl")].inner.impl.items[*]' $iat -//@ is '$.index[*][?(@.docs=="iat")].inner.assoc_type.default.resolved_path.id' $OwnerMetadata +//@ is '$.index[*][?(@.docs=="iat")].inner.assoc_type.type.resolved_path.id' $OwnerMetadata diff --git a/tests/rustdoc-json/type/inherent_associated_type_bound.rs b/tests/rustdoc-json/type/inherent_associated_type_bound.rs index 45fe19bf4673..d0a88b1970fe 100644 --- a/tests/rustdoc-json/type/inherent_associated_type_bound.rs +++ b/tests/rustdoc-json/type/inherent_associated_type_bound.rs @@ -5,14 +5,14 @@ //@ set Carrier = '$.index[*][?(@.name=="Carrier")].id' pub struct Carrier<'a>(&'a ()); -//@ count "$.index[*][?(@.name=='user')].inner.function.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='user')].inner.function.decl.inputs[0][0]" '"_"' -//@ is '$.index[*][?(@.name=="user")].inner.function.decl.inputs[0][1].function_pointer.generic_params[*].name' \""'b"\" -//@ is '$.index[*][?(@.name=="user")].inner.function.decl.inputs[0][1].function_pointer.decl.inputs[0][1].qualified_path.self_type.resolved_path.id' $Carrier -//@ is '$.index[*][?(@.name=="user")].inner.function.decl.inputs[0][1].function_pointer.decl.inputs[0][1].qualified_path.self_type.resolved_path.args.angle_bracketed.args[0].lifetime' \""'b"\" -//@ is '$.index[*][?(@.name=="user")].inner.function.decl.inputs[0][1].function_pointer.decl.inputs[0][1].qualified_path.name' '"Focus"' -//@ is '$.index[*][?(@.name=="user")].inner.function.decl.inputs[0][1].function_pointer.decl.inputs[0][1].qualified_path.trait' null -//@ is '$.index[*][?(@.name=="user")].inner.function.decl.inputs[0][1].function_pointer.decl.inputs[0][1].qualified_path.args.angle_bracketed.args[0].type.primitive' '"i32"' +//@ count "$.index[*][?(@.name=='user')].inner.function.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='user')].inner.function.sig.inputs[0][0]" '"_"' +//@ is '$.index[*][?(@.name=="user")].inner.function.sig.inputs[0][1].function_pointer.generic_params[*].name' \""'b"\" +//@ is '$.index[*][?(@.name=="user")].inner.function.sig.inputs[0][1].function_pointer.sig.inputs[0][1].qualified_path.self_type.resolved_path.id' $Carrier +//@ is '$.index[*][?(@.name=="user")].inner.function.sig.inputs[0][1].function_pointer.sig.inputs[0][1].qualified_path.self_type.resolved_path.args.angle_bracketed.args[0].lifetime' \""'b"\" +//@ is '$.index[*][?(@.name=="user")].inner.function.sig.inputs[0][1].function_pointer.sig.inputs[0][1].qualified_path.name' '"Focus"' +//@ is '$.index[*][?(@.name=="user")].inner.function.sig.inputs[0][1].function_pointer.sig.inputs[0][1].qualified_path.trait' null +//@ is '$.index[*][?(@.name=="user")].inner.function.sig.inputs[0][1].function_pointer.sig.inputs[0][1].qualified_path.args.angle_bracketed.args[0].type.primitive' '"i32"' pub fn user(_: for<'b> fn(Carrier<'b>::Focus)) {} impl<'a> Carrier<'a> { diff --git a/tests/rustdoc-json/type/inherent_associated_type_projections.rs b/tests/rustdoc-json/type/inherent_associated_type_projections.rs index 9b827a984195..e73e86d5817f 100644 --- a/tests/rustdoc-json/type/inherent_associated_type_projections.rs +++ b/tests/rustdoc-json/type/inherent_associated_type_projections.rs @@ -5,12 +5,12 @@ //@ set Parametrized = '$.index[*][?(@.name=="Parametrized")].id' pub struct Parametrized(T); -//@ count "$.index[*][?(@.name=='test')].inner.function.decl.inputs[*]" 1 -//@ is "$.index[*][?(@.name=='test')].inner.function.decl.inputs[0][0]" '"_"' -//@ is '$.index[*][?(@.name=="test")].inner.function.decl.inputs[0][1].qualified_path.self_type.resolved_path.id' $Parametrized -//@ is '$.index[*][?(@.name=="test")].inner.function.decl.inputs[0][1].qualified_path.self_type.resolved_path.args.angle_bracketed.args[0].type.primitive' \"i32\" -//@ is '$.index[*][?(@.name=="test")].inner.function.decl.inputs[0][1].qualified_path.name' '"Proj"' -//@ is '$.index[*][?(@.name=="test")].inner.function.decl.inputs[0][1].qualified_path.trait' null +//@ count "$.index[*][?(@.name=='test')].inner.function.sig.inputs[*]" 1 +//@ is "$.index[*][?(@.name=='test')].inner.function.sig.inputs[0][0]" '"_"' +//@ is '$.index[*][?(@.name=="test")].inner.function.sig.inputs[0][1].qualified_path.self_type.resolved_path.id' $Parametrized +//@ is '$.index[*][?(@.name=="test")].inner.function.sig.inputs[0][1].qualified_path.self_type.resolved_path.args.angle_bracketed.args[0].type.primitive' \"i32\" +//@ is '$.index[*][?(@.name=="test")].inner.function.sig.inputs[0][1].qualified_path.name' '"Proj"' +//@ is '$.index[*][?(@.name=="test")].inner.function.sig.inputs[0][1].qualified_path.trait' null pub fn test(_: Parametrized::Proj) {} /// param_bool diff --git a/tests/rustdoc-json/type_alias.rs b/tests/rustdoc-json/type_alias.rs index ecf35c5987ab..2f2b4c42d441 100644 --- a/tests/rustdoc-json/type_alias.rs +++ b/tests/rustdoc-json/type_alias.rs @@ -4,12 +4,12 @@ //@ is "$.index[*][?(@.name=='IntVec')].span.filename" $FILE pub type IntVec = Vec; -//@ is "$.index[*][?(@.name=='f')].inner.function.decl.output.resolved_path.id" $IntVec +//@ is "$.index[*][?(@.name=='f')].inner.function.sig.output.resolved_path.id" $IntVec pub fn f() -> IntVec { vec![0; 32] } -//@ !is "$.index[*][?(@.name=='g')].inner.function.decl.output.resolved_path.id" $IntVec +//@ !is "$.index[*][?(@.name=='g')].inner.function.sig.output.resolved_path.id" $IntVec pub fn g() -> Vec { vec![0; 32] } diff --git a/tests/rustdoc-json/unions/union.rs b/tests/rustdoc-json/unions/union.rs index 4a97b5d4fb8f..7f135a72dec6 100644 --- a/tests/rustdoc-json/unions/union.rs +++ b/tests/rustdoc-json/unions/union.rs @@ -7,8 +7,8 @@ pub union Union { float: f32, } -//@ has "$.index[*][?(@.name=='make_int_union')].inner.function.decl.output.resolved_path" -//@ is "$.index[*][?(@.name=='make_int_union')].inner.function.decl.output.resolved_path.id" $Union +//@ has "$.index[*][?(@.name=='make_int_union')].inner.function.sig.output.resolved_path" +//@ is "$.index[*][?(@.name=='make_int_union')].inner.function.sig.output.resolved_path.id" $Union pub fn make_int_union(int: i32) -> Union { Union { int } } From 747f68091aa1c53ed4229b26a315ccd0ca2e267f Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 2 Sep 2024 13:59:12 +1000 Subject: [PATCH 025/149] Use sysroot crates maximally in `rustc_codegen_gcc`. This shrinks `compiler/rustc_codegen_gcc/Cargo.lock` quite a bit. The only remaining dependencies in `compiler/rustc_codegen_gcc/Cargo.lock` are `gccjit`, `lang_tester`, and `boml`, all of which aren't used in any other compiler crates. The commit also reorders and adds comments to the `extern crate` items so they match those in miri. --- compiler/rustc_codegen_gcc/Cargo.lock | 176 -------------------------- compiler/rustc_codegen_gcc/Cargo.toml | 10 -- compiler/rustc_codegen_gcc/src/lib.rs | 10 +- 3 files changed, 8 insertions(+), 188 deletions(-) diff --git a/compiler/rustc_codegen_gcc/Cargo.lock b/compiler/rustc_codegen_gcc/Cargo.lock index 915229f7e7ee..0eb264f99eb0 100644 --- a/compiler/rustc_codegen_gcc/Cargo.lock +++ b/compiler/rustc_codegen_gcc/Cargo.lock @@ -11,63 +11,12 @@ dependencies = [ "memchr", ] -[[package]] -name = "bitflags" -version = "1.3.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" - -[[package]] -name = "bitflags" -version = "2.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635" - [[package]] name = "boml" version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "85fdb93f04c73bff54305fa437ffea5449c41edcaadfe882f35836206b166ac5" -[[package]] -name = "cc" -version = "1.0.79" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f" - -[[package]] -name = "cfg-if" -version = "1.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" - -[[package]] -name = "errno" -version = "0.3.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a" -dependencies = [ - "errno-dragonfly", - "libc", - "windows-sys", -] - -[[package]] -name = "errno-dragonfly" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf" -dependencies = [ - "cc", - "libc", -] - -[[package]] -name = "fastrand" -version = "2.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764" - [[package]] name = "fm" version = "0.2.2" @@ -132,12 +81,6 @@ version = "0.2.150" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c" -[[package]] -name = "linux-raw-sys" -version = "0.4.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57bcfdad1b858c2db7c38303a6d2ad4dfaf5eb53dfeb0910128b2c26d6158503" - [[package]] name = "memchr" version = "2.5.0" @@ -154,24 +97,6 @@ dependencies = [ "libc", ] -[[package]] -name = "object" -version = "0.30.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385" -dependencies = [ - "memchr", -] - -[[package]] -name = "redox_syscall" -version = "0.3.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29" -dependencies = [ - "bitflags 1.3.2", -] - [[package]] name = "regex" version = "1.8.4" @@ -196,22 +121,6 @@ dependencies = [ "boml", "gccjit", "lang_tester", - "object", - "smallvec", - "tempfile", -] - -[[package]] -name = "rustix" -version = "0.38.8" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "19ed4fa021d81c8392ce04db050a3da9a60299050b7ae1cf482d862b54a7218f" -dependencies = [ - "bitflags 2.4.0", - "errno", - "libc", - "linux-raw-sys", - "windows-sys", ] [[package]] @@ -223,25 +132,6 @@ dependencies = [ "winapi-util", ] -[[package]] -name = "smallvec" -version = "1.10.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0" - -[[package]] -name = "tempfile" -version = "3.7.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dc02fddf48964c42031a0b3fe0428320ecf3a73c401040fc0096f97794310651" -dependencies = [ - "cfg-if", - "fastrand", - "redox_syscall", - "rustix", - "windows-sys", -] - [[package]] name = "termcolor" version = "1.2.0" @@ -315,69 +205,3 @@ name = "winapi-x86_64-pc-windows-gnu" version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" - -[[package]] -name = "windows-sys" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9" -dependencies = [ - "windows-targets", -] - -[[package]] -name = "windows-targets" -version = "0.48.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "05d4b17490f70499f20b9e791dcf6a299785ce8af4d709018206dc5b4953e95f" -dependencies = [ - "windows_aarch64_gnullvm", - "windows_aarch64_msvc", - "windows_i686_gnu", - "windows_i686_msvc", - "windows_x86_64_gnu", - "windows_x86_64_gnullvm", - "windows_x86_64_msvc", -] - -[[package]] -name = "windows_aarch64_gnullvm" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc" - -[[package]] -name = "windows_aarch64_msvc" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3" - -[[package]] -name = "windows_i686_gnu" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241" - -[[package]] -name = "windows_i686_msvc" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00" - -[[package]] -name = "windows_x86_64_gnu" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1" - -[[package]] -name = "windows_x86_64_gnullvm" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953" - -[[package]] -name = "windows_x86_64_msvc" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a" diff --git a/compiler/rustc_codegen_gcc/Cargo.toml b/compiler/rustc_codegen_gcc/Cargo.toml index 5caca63f6348..44fb5eef04a5 100644 --- a/compiler/rustc_codegen_gcc/Cargo.toml +++ b/compiler/rustc_codegen_gcc/Cargo.toml @@ -23,21 +23,11 @@ default = ["master"] [dependencies] gccjit = "2.1" - # Local copy. #gccjit = { path = "../gccjit.rs" } -object = { version = "0.30.1", default-features = false, features = [ - "std", - "read", -] } -smallvec = { version = "1.6.1", features = ["union", "may_dangle"] } -# TODO(antoyo): make tempfile optional. -tempfile = "3.7.1" - [dev-dependencies] lang_tester = "0.8.0" -tempfile = "3.1.0" boml = "0.3.1" [profile.dev] diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index 94f016234f92..4de671ac4a06 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -24,6 +24,14 @@ #![deny(clippy::pattern_type_mismatch)] #![allow(clippy::needless_lifetimes)] +// Some "regular" crates we want to share with rustc +extern crate object; +extern crate smallvec; +extern crate tempfile; +#[macro_use] +extern crate tracing; + +// The rustc crates we need extern crate rustc_apfloat; extern crate rustc_ast; extern crate rustc_attr; @@ -42,8 +50,6 @@ extern crate rustc_middle; extern crate rustc_session; extern crate rustc_span; extern crate rustc_target; -#[macro_use] -extern crate tracing; // This prevents duplicating functions and statics that are already part of the host rustc process. #[allow(unused_extern_crates)] From 265cd14cd46e740bf2ac0fa68f0eeafcd83984e0 Mon Sep 17 00:00:00 2001 From: Veera Date: Sun, 1 Sep 2024 22:27:43 -0400 Subject: [PATCH 026/149] Update Tests --- .../parser/misspelled-keywords/assoc-type.rs | 6 ++++++ .../misspelled-keywords/assoc-type.stderr | 13 ++++++++++++ .../parser/misspelled-keywords/async-move.rs | 6 ++++++ .../misspelled-keywords/async-move.stderr | 8 ++++++++ .../ui/parser/misspelled-keywords/const-fn.rs | 5 +++++ .../misspelled-keywords/const-fn.stderr | 8 ++++++++ .../misspelled-keywords/const-generics.rs | 4 ++++ .../misspelled-keywords/const-generics.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/const.rs | 4 ++++ .../parser/misspelled-keywords/const.stderr | 8 ++++++++ .../ui/parser/misspelled-keywords/for-loop.rs | 4 ++++ .../misspelled-keywords/for-loop.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/hrdt.rs | 16 +++++++++++++++ .../ui/parser/misspelled-keywords/hrdt.stderr | 8 ++++++++ .../parser/misspelled-keywords/impl-block.rs | 6 ++++++ .../misspelled-keywords/impl-block.stderr | 8 ++++++++ .../parser/misspelled-keywords/impl-return.rs | 4 ++++ .../misspelled-keywords/impl-return.stderr | 8 ++++++++ .../misspelled-keywords/impl-trait-for.rs | 6 ++++++ .../misspelled-keywords/impl-trait-for.stderr | 8 ++++++++ .../parser/misspelled-keywords/impl-trait.rs | 4 ++++ .../misspelled-keywords/impl-trait.stderr | 13 ++++++++++++ .../ui/parser/misspelled-keywords/let-else.rs | 4 ++++ .../misspelled-keywords/let-else.stderr | 8 ++++++++ .../ui/parser/misspelled-keywords/let-mut.rs | 4 ++++ .../parser/misspelled-keywords/let-mut.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/let.rs | 9 +++++++++ .../ui/parser/misspelled-keywords/let.stderr | 14 +++++++++++++ tests/ui/parser/misspelled-keywords/match.rs | 5 +++++ .../parser/misspelled-keywords/match.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/mod.rs | 4 ++++ .../ui/parser/misspelled-keywords/mod.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/pub-fn.rs | 5 +++++ .../parser/misspelled-keywords/pub-fn.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/ref.rs | 9 +++++++++ .../ui/parser/misspelled-keywords/ref.stderr | 20 +++++++++++++++++++ tests/ui/parser/misspelled-keywords/return.rs | 7 +++++++ .../parser/misspelled-keywords/return.stderr | 8 ++++++++ .../parser/misspelled-keywords/static-mut.rs | 5 +++++ .../misspelled-keywords/static-mut.stderr | 19 ++++++++++++++++++ tests/ui/parser/misspelled-keywords/static.rs | 4 ++++ .../parser/misspelled-keywords/static.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/struct.rs | 4 ++++ .../parser/misspelled-keywords/struct.stderr | 8 ++++++++ .../parser/misspelled-keywords/unsafe-fn.rs | 4 ++++ .../misspelled-keywords/unsafe-fn.stderr | 8 ++++++++ tests/ui/parser/misspelled-keywords/use.rs | 4 ++++ .../ui/parser/misspelled-keywords/use.stderr | 8 ++++++++ .../misspelled-keywords/where-clause.rs | 8 ++++++++ .../misspelled-keywords/where-clause.stderr | 10 ++++++++++ .../parser/misspelled-keywords/while-loop.rs | 7 +++++++ .../misspelled-keywords/while-loop.stderr | 8 ++++++++ .../while-without-identifiers.rs | 4 ++++ .../while-without-identifiers.stderr | 8 ++++++++ 54 files changed, 409 insertions(+) create mode 100644 tests/ui/parser/misspelled-keywords/assoc-type.rs create mode 100644 tests/ui/parser/misspelled-keywords/assoc-type.stderr create mode 100644 tests/ui/parser/misspelled-keywords/async-move.rs create mode 100644 tests/ui/parser/misspelled-keywords/async-move.stderr create mode 100644 tests/ui/parser/misspelled-keywords/const-fn.rs create mode 100644 tests/ui/parser/misspelled-keywords/const-fn.stderr create mode 100644 tests/ui/parser/misspelled-keywords/const-generics.rs create mode 100644 tests/ui/parser/misspelled-keywords/const-generics.stderr create mode 100644 tests/ui/parser/misspelled-keywords/const.rs create mode 100644 tests/ui/parser/misspelled-keywords/const.stderr create mode 100644 tests/ui/parser/misspelled-keywords/for-loop.rs create mode 100644 tests/ui/parser/misspelled-keywords/for-loop.stderr create mode 100644 tests/ui/parser/misspelled-keywords/hrdt.rs create mode 100644 tests/ui/parser/misspelled-keywords/hrdt.stderr create mode 100644 tests/ui/parser/misspelled-keywords/impl-block.rs create mode 100644 tests/ui/parser/misspelled-keywords/impl-block.stderr create mode 100644 tests/ui/parser/misspelled-keywords/impl-return.rs create mode 100644 tests/ui/parser/misspelled-keywords/impl-return.stderr create mode 100644 tests/ui/parser/misspelled-keywords/impl-trait-for.rs create mode 100644 tests/ui/parser/misspelled-keywords/impl-trait-for.stderr create mode 100644 tests/ui/parser/misspelled-keywords/impl-trait.rs create mode 100644 tests/ui/parser/misspelled-keywords/impl-trait.stderr create mode 100644 tests/ui/parser/misspelled-keywords/let-else.rs create mode 100644 tests/ui/parser/misspelled-keywords/let-else.stderr create mode 100644 tests/ui/parser/misspelled-keywords/let-mut.rs create mode 100644 tests/ui/parser/misspelled-keywords/let-mut.stderr create mode 100644 tests/ui/parser/misspelled-keywords/let.rs create mode 100644 tests/ui/parser/misspelled-keywords/let.stderr create mode 100644 tests/ui/parser/misspelled-keywords/match.rs create mode 100644 tests/ui/parser/misspelled-keywords/match.stderr create mode 100644 tests/ui/parser/misspelled-keywords/mod.rs create mode 100644 tests/ui/parser/misspelled-keywords/mod.stderr create mode 100644 tests/ui/parser/misspelled-keywords/pub-fn.rs create mode 100644 tests/ui/parser/misspelled-keywords/pub-fn.stderr create mode 100644 tests/ui/parser/misspelled-keywords/ref.rs create mode 100644 tests/ui/parser/misspelled-keywords/ref.stderr create mode 100644 tests/ui/parser/misspelled-keywords/return.rs create mode 100644 tests/ui/parser/misspelled-keywords/return.stderr create mode 100644 tests/ui/parser/misspelled-keywords/static-mut.rs create mode 100644 tests/ui/parser/misspelled-keywords/static-mut.stderr create mode 100644 tests/ui/parser/misspelled-keywords/static.rs create mode 100644 tests/ui/parser/misspelled-keywords/static.stderr create mode 100644 tests/ui/parser/misspelled-keywords/struct.rs create mode 100644 tests/ui/parser/misspelled-keywords/struct.stderr create mode 100644 tests/ui/parser/misspelled-keywords/unsafe-fn.rs create mode 100644 tests/ui/parser/misspelled-keywords/unsafe-fn.stderr create mode 100644 tests/ui/parser/misspelled-keywords/use.rs create mode 100644 tests/ui/parser/misspelled-keywords/use.stderr create mode 100644 tests/ui/parser/misspelled-keywords/where-clause.rs create mode 100644 tests/ui/parser/misspelled-keywords/where-clause.stderr create mode 100644 tests/ui/parser/misspelled-keywords/while-loop.rs create mode 100644 tests/ui/parser/misspelled-keywords/while-loop.stderr create mode 100644 tests/ui/parser/misspelled-keywords/while-without-identifiers.rs create mode 100644 tests/ui/parser/misspelled-keywords/while-without-identifiers.stderr diff --git a/tests/ui/parser/misspelled-keywords/assoc-type.rs b/tests/ui/parser/misspelled-keywords/assoc-type.rs new file mode 100644 index 000000000000..a6b694a2abe6 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/assoc-type.rs @@ -0,0 +1,6 @@ +trait Animal { + Type Result = u8; + //~^ ERROR expected one of +} + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/assoc-type.stderr b/tests/ui/parser/misspelled-keywords/assoc-type.stderr new file mode 100644 index 000000000000..1318bee3da83 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/assoc-type.stderr @@ -0,0 +1,13 @@ +error: expected one of `!` or `::`, found `Result` + --> $DIR/assoc-type.rs:2:10 + | +LL | trait Animal { + | - while parsing this item list starting here +LL | Type Result = u8; + | ^^^^^^ expected one of `!` or `::` +LL | +LL | } + | - the item list ends here + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/async-move.rs b/tests/ui/parser/misspelled-keywords/async-move.rs new file mode 100644 index 000000000000..702a905e918c --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/async-move.rs @@ -0,0 +1,6 @@ +//@ edition: 2018 + +fn main() { + async Move {} + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/async-move.stderr b/tests/ui/parser/misspelled-keywords/async-move.stderr new file mode 100644 index 000000000000..a98bb23f5d65 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/async-move.stderr @@ -0,0 +1,8 @@ +error: expected one of `move`, `|`, or `||`, found `Move` + --> $DIR/async-move.rs:4:11 + | +LL | async Move {} + | ^^^^ expected one of `move`, `|`, or `||` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/const-fn.rs b/tests/ui/parser/misspelled-keywords/const-fn.rs new file mode 100644 index 000000000000..c4174b6a2efb --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/const-fn.rs @@ -0,0 +1,5 @@ +cnst fn code() {} +//~^ ERROR expected one of + +fn main() { +} diff --git a/tests/ui/parser/misspelled-keywords/const-fn.stderr b/tests/ui/parser/misspelled-keywords/const-fn.stderr new file mode 100644 index 000000000000..bdca2657ef39 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/const-fn.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found keyword `fn` + --> $DIR/const-fn.rs:1:6 + | +LL | cnst fn code() {} + | ^^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/const-generics.rs b/tests/ui/parser/misspelled-keywords/const-generics.rs new file mode 100644 index 000000000000..2df64a87e277 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/const-generics.rs @@ -0,0 +1,4 @@ +fn foo(_arr: [i32; N]) {} +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/const-generics.stderr b/tests/ui/parser/misspelled-keywords/const-generics.stderr new file mode 100644 index 000000000000..f52544ac45ce --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/const-generics.stderr @@ -0,0 +1,8 @@ +error: expected one of `,`, `:`, `=`, or `>`, found `N` + --> $DIR/const-generics.rs:1:15 + | +LL | fn foo(_arr: [i32; N]) {} + | ^ expected one of `,`, `:`, `=`, or `>` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/const.rs b/tests/ui/parser/misspelled-keywords/const.rs new file mode 100644 index 000000000000..b481408cb62d --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/const.rs @@ -0,0 +1,4 @@ +cons A: u8 = 10; +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/const.stderr b/tests/ui/parser/misspelled-keywords/const.stderr new file mode 100644 index 000000000000..de1ad9d2bf76 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/const.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found `A` + --> $DIR/const.rs:1:6 + | +LL | cons A: u8 = 10; + | ^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/for-loop.rs b/tests/ui/parser/misspelled-keywords/for-loop.rs new file mode 100644 index 000000000000..6aba581cf17f --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/for-loop.rs @@ -0,0 +1,4 @@ +fn main() { + form i in 1..10 {} + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/for-loop.stderr b/tests/ui/parser/misspelled-keywords/for-loop.stderr new file mode 100644 index 000000000000..cbf3b43fa585 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/for-loop.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `i` + --> $DIR/for-loop.rs:2:10 + | +LL | form i in 1..10 {} + | ^ expected one of 8 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/hrdt.rs b/tests/ui/parser/misspelled-keywords/hrdt.rs new file mode 100644 index 000000000000..9ca9e1bfbeec --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/hrdt.rs @@ -0,0 +1,16 @@ +struct Closure { + data: (u8, u16), + func: F, +} + +impl Closure + Where for<'a> F: Fn(&'a (u8, u16)) -> &'a u8, +//~^ ERROR expected one of +{ + fn call(&self) -> &u8 { + (self.func)(&self.data) + } +} + + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/hrdt.stderr b/tests/ui/parser/misspelled-keywords/hrdt.stderr new file mode 100644 index 000000000000..102ce7014e47 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/hrdt.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `(`, `+`, `::`, `<`, `where`, or `{`, found keyword `for` + --> $DIR/hrdt.rs:7:11 + | +LL | Where for<'a> F: Fn(&'a (u8, u16)) -> &'a u8, + | ^^^ expected one of 7 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/impl-block.rs b/tests/ui/parser/misspelled-keywords/impl-block.rs new file mode 100644 index 000000000000..dc2570c22c5d --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-block.rs @@ -0,0 +1,6 @@ +struct Human; + +ipml Human {} +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/impl-block.stderr b/tests/ui/parser/misspelled-keywords/impl-block.stderr new file mode 100644 index 000000000000..e0f0f8ed18f9 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-block.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found `Human` + --> $DIR/impl-block.rs:3:6 + | +LL | ipml Human {} + | ^^^^^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/impl-return.rs b/tests/ui/parser/misspelled-keywords/impl-return.rs new file mode 100644 index 000000000000..c9d1973179e4 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-return.rs @@ -0,0 +1,4 @@ +fn code() -> Impl Display {} +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/impl-return.stderr b/tests/ui/parser/misspelled-keywords/impl-return.stderr new file mode 100644 index 000000000000..bdcf831a88a3 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-return.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `(`, `+`, `::`, `<`, `where`, or `{`, found `Display` + --> $DIR/impl-return.rs:1:19 + | +LL | fn code() -> Impl Display {} + | ^^^^^^^ expected one of 7 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/impl-trait-for.rs b/tests/ui/parser/misspelled-keywords/impl-trait-for.rs new file mode 100644 index 000000000000..c6f3fcda5ad7 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-trait-for.rs @@ -0,0 +1,6 @@ +struct Human; + +impl Debug form Human {} +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/impl-trait-for.stderr b/tests/ui/parser/misspelled-keywords/impl-trait-for.stderr new file mode 100644 index 000000000000..64ca66794adb --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-trait-for.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `(`, `+`, `::`, `<`, `where`, or `{`, found `Human` + --> $DIR/impl-trait-for.rs:3:17 + | +LL | impl Debug form Human {} + | ^^^^^ expected one of 7 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/impl-trait.rs b/tests/ui/parser/misspelled-keywords/impl-trait.rs new file mode 100644 index 000000000000..99380b8ac0ec --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-trait.rs @@ -0,0 +1,4 @@ +fn code() -> u8 {} +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/impl-trait.stderr b/tests/ui/parser/misspelled-keywords/impl-trait.stderr new file mode 100644 index 000000000000..ca0918e820f8 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/impl-trait.stderr @@ -0,0 +1,13 @@ +error: expected one of `(`, `+`, `,`, `::`, `<`, `=`, or `>`, found `Debug` + --> $DIR/impl-trait.rs:1:18 + | +LL | fn code() -> u8 {} + | ^^^^^ expected one of 7 possible tokens + | +help: you might have meant to end the type parameters here + | +LL | fn code Debug>() -> u8 {} + | + + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/let-else.rs b/tests/ui/parser/misspelled-keywords/let-else.rs new file mode 100644 index 000000000000..0d5a03e3e43e --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/let-else.rs @@ -0,0 +1,4 @@ +fn main() { + let Some(a) = Some(10) elze {} + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/let-else.stderr b/tests/ui/parser/misspelled-keywords/let-else.stderr new file mode 100644 index 000000000000..826e7de4b11a --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/let-else.stderr @@ -0,0 +1,8 @@ +error: expected one of `.`, `;`, `?`, `else`, or an operator, found `elze` + --> $DIR/let-else.rs:2:28 + | +LL | let Some(a) = Some(10) elze {} + | ^^^^ expected one of `.`, `;`, `?`, `else`, or an operator + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/let-mut.rs b/tests/ui/parser/misspelled-keywords/let-mut.rs new file mode 100644 index 000000000000..83228fe8c668 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/let-mut.rs @@ -0,0 +1,4 @@ +fn main() { + let muta a = 10; + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/let-mut.stderr b/tests/ui/parser/misspelled-keywords/let-mut.stderr new file mode 100644 index 000000000000..449f0133d653 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/let-mut.stderr @@ -0,0 +1,8 @@ +error: expected one of `:`, `;`, `=`, `@`, or `|`, found `a` + --> $DIR/let-mut.rs:2:14 + | +LL | let muta a = 10; + | ^ expected one of `:`, `;`, `=`, `@`, or `|` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/let.rs b/tests/ui/parser/misspelled-keywords/let.rs new file mode 100644 index 000000000000..461c3e518db8 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/let.rs @@ -0,0 +1,9 @@ +fn main() { + Let a = 10; + //~^ ERROR expected one of +} + +fn code() { + lett a = 10; + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/let.stderr b/tests/ui/parser/misspelled-keywords/let.stderr new file mode 100644 index 000000000000..77aeb21369c1 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/let.stderr @@ -0,0 +1,14 @@ +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `a` + --> $DIR/let.rs:2:9 + | +LL | Let a = 10; + | ^ expected one of 8 possible tokens + +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `a` + --> $DIR/let.rs:7:10 + | +LL | lett a = 10; + | ^ expected one of 8 possible tokens + +error: aborting due to 2 previous errors + diff --git a/tests/ui/parser/misspelled-keywords/match.rs b/tests/ui/parser/misspelled-keywords/match.rs new file mode 100644 index 000000000000..a31840a2d711 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/match.rs @@ -0,0 +1,5 @@ +fn main() { + let a = 10; + matche a {} + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/match.stderr b/tests/ui/parser/misspelled-keywords/match.stderr new file mode 100644 index 000000000000..bc3eece1c9d9 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/match.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `a` + --> $DIR/match.rs:3:12 + | +LL | matche a {} + | ^ expected one of 8 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/mod.rs b/tests/ui/parser/misspelled-keywords/mod.rs new file mode 100644 index 000000000000..24f0101bc5aa --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/mod.rs @@ -0,0 +1,4 @@ +mode parser; +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/mod.stderr b/tests/ui/parser/misspelled-keywords/mod.stderr new file mode 100644 index 000000000000..135f70ccfcbb --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/mod.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found `parser` + --> $DIR/mod.rs:1:6 + | +LL | mode parser; + | ^^^^^^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/pub-fn.rs b/tests/ui/parser/misspelled-keywords/pub-fn.rs new file mode 100644 index 000000000000..50d7129ce51e --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/pub-fn.rs @@ -0,0 +1,5 @@ +puB fn code() {} +//~^ ERROR expected one of + +fn main() { +} diff --git a/tests/ui/parser/misspelled-keywords/pub-fn.stderr b/tests/ui/parser/misspelled-keywords/pub-fn.stderr new file mode 100644 index 000000000000..15715514e665 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/pub-fn.stderr @@ -0,0 +1,8 @@ +error: expected one of `#`, `async`, `auto`, `const`, `default`, `enum`, `extern`, `fn`, `gen`, `impl`, `macro_rules`, `macro`, `mod`, `pub`, `safe`, `static`, `struct`, `trait`, `type`, `unsafe`, or `use`, found `puB` + --> $DIR/pub-fn.rs:1:1 + | +LL | puB fn code() {} + | ^^^ expected one of 21 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/ref.rs b/tests/ui/parser/misspelled-keywords/ref.rs new file mode 100644 index 000000000000..76b367ae99b7 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/ref.rs @@ -0,0 +1,9 @@ +fn main() { + let a = Some(vec![1, 2]); + match a { + Some(refe list) => println!("{list:?}"), + //~^ ERROR expected one of + //~| ERROR this pattern has 2 fields, + _ => println!("none"), + } +} diff --git a/tests/ui/parser/misspelled-keywords/ref.stderr b/tests/ui/parser/misspelled-keywords/ref.stderr new file mode 100644 index 000000000000..2c23fe7a0afe --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/ref.stderr @@ -0,0 +1,20 @@ +error: expected one of `)`, `,`, `@`, or `|`, found `list` + --> $DIR/ref.rs:4:19 + | +LL | Some(refe list) => println!("{list:?}"), + | -^^^^ expected one of `)`, `,`, `@`, or `|` + | | + | help: missing `,` + +error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 1 field + --> $DIR/ref.rs:4:14 + | +LL | Some(refe list) => println!("{list:?}"), + | ^^^^ ^^^^ expected 1 field, found 2 + --> $SRC_DIR/core/src/option.rs:LL:COL + | + = note: tuple variant has 1 field + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0023`. diff --git a/tests/ui/parser/misspelled-keywords/return.rs b/tests/ui/parser/misspelled-keywords/return.rs new file mode 100644 index 000000000000..4bbe55d37da7 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/return.rs @@ -0,0 +1,7 @@ +fn code() -> u8 { + let a = 10; + returnn a; + //~^ ERROR expected one of +} + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/return.stderr b/tests/ui/parser/misspelled-keywords/return.stderr new file mode 100644 index 000000000000..94789e7a92cd --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/return.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `a` + --> $DIR/return.rs:3:13 + | +LL | returnn a; + | ^ expected one of 8 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/static-mut.rs b/tests/ui/parser/misspelled-keywords/static-mut.rs new file mode 100644 index 000000000000..6509f62470a9 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/static-mut.rs @@ -0,0 +1,5 @@ +static muta a: u8 = 0; +//~^ ERROR expected one of +//~| ERROR missing type for + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/static-mut.stderr b/tests/ui/parser/misspelled-keywords/static-mut.stderr new file mode 100644 index 000000000000..1e5d25c709e7 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/static-mut.stderr @@ -0,0 +1,19 @@ +error: expected one of `:`, `;`, or `=`, found `a` + --> $DIR/static-mut.rs:1:13 + | +LL | static muta a: u8 = 0; + | ^ expected one of `:`, `;`, or `=` + +error: missing type for `static` item + --> $DIR/static-mut.rs:1:12 + | +LL | static muta a: u8 = 0; + | ^ + | +help: provide a type for the item + | +LL | static muta: a: u8 = 0; + | ++++++++ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/parser/misspelled-keywords/static.rs b/tests/ui/parser/misspelled-keywords/static.rs new file mode 100644 index 000000000000..240f4f52c8dc --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/static.rs @@ -0,0 +1,4 @@ +Static a = 0; +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/static.stderr b/tests/ui/parser/misspelled-keywords/static.stderr new file mode 100644 index 000000000000..698cd47b1697 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/static.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found `a` + --> $DIR/static.rs:1:8 + | +LL | Static a = 0; + | ^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/struct.rs b/tests/ui/parser/misspelled-keywords/struct.rs new file mode 100644 index 000000000000..0f64dec6f56b --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/struct.rs @@ -0,0 +1,4 @@ +Struct Foor { +//~^ ERROR expected one of + hello: String, +} diff --git a/tests/ui/parser/misspelled-keywords/struct.stderr b/tests/ui/parser/misspelled-keywords/struct.stderr new file mode 100644 index 000000000000..8f678f4ad2e0 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/struct.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found `Foor` + --> $DIR/struct.rs:1:8 + | +LL | Struct Foor { + | ^^^^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/unsafe-fn.rs b/tests/ui/parser/misspelled-keywords/unsafe-fn.rs new file mode 100644 index 000000000000..49a1322ad637 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/unsafe-fn.rs @@ -0,0 +1,4 @@ +unsafee fn code() {} +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/unsafe-fn.stderr b/tests/ui/parser/misspelled-keywords/unsafe-fn.stderr new file mode 100644 index 000000000000..2013df1c34aa --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/unsafe-fn.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found keyword `fn` + --> $DIR/unsafe-fn.rs:1:9 + | +LL | unsafee fn code() {} + | ^^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/use.rs b/tests/ui/parser/misspelled-keywords/use.rs new file mode 100644 index 000000000000..f4911654354e --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/use.rs @@ -0,0 +1,4 @@ +usee a::b; +//~^ ERROR expected one of + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/use.stderr b/tests/ui/parser/misspelled-keywords/use.stderr new file mode 100644 index 000000000000..4ca01dedd6b2 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/use.stderr @@ -0,0 +1,8 @@ +error: expected one of `!` or `::`, found `a` + --> $DIR/use.rs:1:6 + | +LL | usee a::b; + | ^ expected one of `!` or `::` + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/where-clause.rs b/tests/ui/parser/misspelled-keywords/where-clause.rs new file mode 100644 index 000000000000..c03d04d5fee5 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/where-clause.rs @@ -0,0 +1,8 @@ +fn code() -> u8 +wheree +//~^ ERROR expected one of + T: Debug, +{ +} + +fn main() {} diff --git a/tests/ui/parser/misspelled-keywords/where-clause.stderr b/tests/ui/parser/misspelled-keywords/where-clause.stderr new file mode 100644 index 000000000000..4b3f996c1125 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/where-clause.stderr @@ -0,0 +1,10 @@ +error: expected one of `!`, `(`, `+`, `::`, `<`, `where`, or `{`, found `wheree` + --> $DIR/where-clause.rs:2:1 + | +LL | fn code() -> u8 + | - expected one of 7 possible tokens +LL | wheree + | ^^^^^^ unexpected token + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/while-loop.rs b/tests/ui/parser/misspelled-keywords/while-loop.rs new file mode 100644 index 000000000000..8d19b3c57226 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/while-loop.rs @@ -0,0 +1,7 @@ +fn main() { + whilee a < b { + //~^ ERROR expected one of + + } +} + diff --git a/tests/ui/parser/misspelled-keywords/while-loop.stderr b/tests/ui/parser/misspelled-keywords/while-loop.stderr new file mode 100644 index 000000000000..8147a5de6967 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/while-loop.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `a` + --> $DIR/while-loop.rs:2:12 + | +LL | whilee a < b { + | ^ expected one of 8 possible tokens + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/misspelled-keywords/while-without-identifiers.rs b/tests/ui/parser/misspelled-keywords/while-without-identifiers.rs new file mode 100644 index 000000000000..203db8306af9 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/while-without-identifiers.rs @@ -0,0 +1,4 @@ +fn main() { + whilee 2 > 1 {} + //~^ ERROR expected one of +} diff --git a/tests/ui/parser/misspelled-keywords/while-without-identifiers.stderr b/tests/ui/parser/misspelled-keywords/while-without-identifiers.stderr new file mode 100644 index 000000000000..121e39313148 --- /dev/null +++ b/tests/ui/parser/misspelled-keywords/while-without-identifiers.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `2` + --> $DIR/while-without-identifiers.rs:2:12 + | +LL | whilee 2 > 1 {} + | ^ expected one of 8 possible tokens + +error: aborting due to 1 previous error + From c51953f4d8618c9db6ef383a537814ee37977b58 Mon Sep 17 00:00:00 2001 From: Bryanskiy Date: Sun, 4 Aug 2024 19:52:15 +0300 Subject: [PATCH 027/149] Use `DeepRejectCtxt` to quickly reject `ParamEnv` candidates --- .../src/coherence/inherent_impls.rs | 5 +- compiler/rustc_hir_typeck/src/method/probe.rs | 2 +- .../rustc_hir_typeck/src/method/suggest.rs | 9 +- compiler/rustc_metadata/src/rmeta/encoder.rs | 2 +- compiler/rustc_middle/src/ty/context.rs | 2 +- compiler/rustc_middle/src/ty/fast_reject.rs | 10 +- compiler/rustc_middle/src/ty/trait_def.rs | 12 +- .../src/solve/normalizes_to/mod.rs | 10 +- .../src/solve/trait_goals.rs | 11 +- .../error_reporting/infer/note_and_explain.rs | 8 +- .../src/traits/coherence.rs | 4 +- .../src/traits/project.rs | 8 + .../src/traits/select/candidate_assembly.rs | 12 +- .../traits/specialize/specialization_graph.rs | 6 +- compiler/rustc_type_ir/src/fast_reject.rs | 349 +++++++++++------- src/librustdoc/html/render/write_shared.rs | 4 +- 16 files changed, 287 insertions(+), 167 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/coherence/inherent_impls.rs b/compiler/rustc_hir_analysis/src/coherence/inherent_impls.rs index 89acb778d6c2..3ca43955e310 100644 --- a/compiler/rustc_hir_analysis/src/coherence/inherent_impls.rs +++ b/compiler/rustc_hir_analysis/src/coherence/inherent_impls.rs @@ -90,7 +90,8 @@ impl<'tcx> InherentCollect<'tcx> { } } - if let Some(simp) = simplify_type(self.tcx, self_ty, TreatParams::AsCandidateKey) { + if let Some(simp) = simplify_type(self.tcx, self_ty, TreatParams::InstantiateWithInfer) + { self.impls_map.incoherent_impls.entry(simp).or_default().push(impl_def_id); } else { bug!("unexpected self type: {:?}", self_ty); @@ -129,7 +130,7 @@ impl<'tcx> InherentCollect<'tcx> { } } - if let Some(simp) = simplify_type(self.tcx, ty, TreatParams::AsCandidateKey) { + if let Some(simp) = simplify_type(self.tcx, ty, TreatParams::InstantiateWithInfer) { self.impls_map.incoherent_impls.entry(simp).or_default().push(impl_def_id); } else { bug!("unexpected primitive type: {:?}", ty); diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 28f537c87c4e..a56675909120 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -714,7 +714,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } fn assemble_inherent_candidates_for_incoherent_ty(&mut self, self_ty: Ty<'tcx>) { - let Some(simp) = simplify_type(self.tcx, self_ty, TreatParams::AsCandidateKey) else { + let Some(simp) = simplify_type(self.tcx, self_ty, TreatParams::InstantiateWithInfer) else { bug!("unexpected incoherent type: {:?}", self_ty) }; for &impl_def_id in self.tcx.incoherent_impls(simp).into_iter().flatten() { diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 3df32dd85052..e5c4fcaa8a0f 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -2234,8 +2234,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let target_ty = self .autoderef(sugg_span, rcvr_ty) .find(|(rcvr_ty, _)| { - DeepRejectCtxt::new(self.tcx, TreatParams::ForLookup) - .types_may_unify(*rcvr_ty, impl_ty) + DeepRejectCtxt::relate_rigid_infer(self.tcx).types_may_unify(*rcvr_ty, impl_ty) }) .map_or(impl_ty, |(ty, _)| ty) .peel_refs(); @@ -2497,7 +2496,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .into_iter() .any(|info| self.associated_value(info.def_id, item_name).is_some()); let found_assoc = |ty: Ty<'tcx>| { - simplify_type(tcx, ty, TreatParams::AsCandidateKey) + simplify_type(tcx, ty, TreatParams::InstantiateWithInfer) .and_then(|simp| { tcx.incoherent_impls(simp) .into_iter() @@ -3962,7 +3961,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // cases where a positive bound implies a negative impl. (candidates, Vec::new()) } else if let Some(simp_rcvr_ty) = - simplify_type(self.tcx, rcvr_ty, TreatParams::ForLookup) + simplify_type(self.tcx, rcvr_ty, TreatParams::AsRigid) { let mut potential_candidates = Vec::new(); let mut explicitly_negative = Vec::new(); @@ -3980,7 +3979,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .any(|header| { let imp = header.trait_ref.instantiate_identity(); let imp_simp = - simplify_type(self.tcx, imp.self_ty(), TreatParams::ForLookup); + simplify_type(self.tcx, imp.self_ty(), TreatParams::AsRigid); imp_simp.is_some_and(|s| s == simp_rcvr_ty) }) { diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 0d83f8c6c5c9..f8128e988e25 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -2017,7 +2017,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { let simplified_self_ty = fast_reject::simplify_type( self.tcx, trait_ref.self_ty(), - TreatParams::AsCandidateKey, + TreatParams::InstantiateWithInfer, ); trait_impls .entry(trait_ref.def_id) diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index cad3515f0680..3f49c8d9b44f 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -428,7 +428,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { let simp = ty::fast_reject::simplify_type( tcx, self_ty, - ty::fast_reject::TreatParams::ForLookup, + ty::fast_reject::TreatParams::AsRigid, ) .unwrap(); consider_impls_for_simplified_type(simp); diff --git a/compiler/rustc_middle/src/ty/fast_reject.rs b/compiler/rustc_middle/src/ty/fast_reject.rs index 91344c4e39c8..2945a0be424f 100644 --- a/compiler/rustc_middle/src/ty/fast_reject.rs +++ b/compiler/rustc_middle/src/ty/fast_reject.rs @@ -3,6 +3,14 @@ pub use rustc_type_ir::fast_reject::*; use super::TyCtxt; -pub type DeepRejectCtxt<'tcx> = rustc_type_ir::fast_reject::DeepRejectCtxt>; +pub type DeepRejectCtxt< + 'tcx, + const INSTANTIATE_LHS_WITH_INFER: bool, + const INSTANTIATE_RHS_WITH_INFER: bool, +> = rustc_type_ir::fast_reject::DeepRejectCtxt< + TyCtxt<'tcx>, + INSTANTIATE_LHS_WITH_INFER, + INSTANTIATE_RHS_WITH_INFER, +>; pub type SimplifiedType = rustc_type_ir::fast_reject::SimplifiedType; diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index dfb137f738f1..82690f70e5f1 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -168,9 +168,9 @@ impl<'tcx> TyCtxt<'tcx> { // whose outer level is not a parameter or projection. Especially for things like // `T: Clone` this is incredibly useful as we would otherwise look at all the impls // of `Clone` for `Option`, `Vec`, `ConcreteType` and so on. - // Note that we're using `TreatParams::ForLookup` to query `non_blanket_impls` while using - // `TreatParams::AsCandidateKey` while actually adding them. - if let Some(simp) = fast_reject::simplify_type(self, self_ty, TreatParams::ForLookup) { + // Note that we're using `TreatParams::AsRigid` to query `non_blanket_impls` while using + // `TreatParams::InstantiateWithInfer` while actually adding them. + if let Some(simp) = fast_reject::simplify_type(self, self_ty, TreatParams::AsRigid) { if let Some(impls) = impls.non_blanket_impls.get(&simp) { for &impl_def_id in impls { f(impl_def_id); @@ -190,7 +190,9 @@ impl<'tcx> TyCtxt<'tcx> { self_ty: Ty<'tcx>, ) -> impl Iterator + 'tcx { let impls = self.trait_impls_of(trait_def_id); - if let Some(simp) = fast_reject::simplify_type(self, self_ty, TreatParams::AsCandidateKey) { + if let Some(simp) = + fast_reject::simplify_type(self, self_ty, TreatParams::InstantiateWithInfer) + { if let Some(impls) = impls.non_blanket_impls.get(&simp) { return impls.iter().copied(); } @@ -239,7 +241,7 @@ pub(super) fn trait_impls_of_provider(tcx: TyCtxt<'_>, trait_id: DefId) -> Trait let impl_self_ty = tcx.type_of(impl_def_id).instantiate_identity(); if let Some(simplified_self_ty) = - fast_reject::simplify_type(tcx, impl_self_ty, TreatParams::AsCandidateKey) + fast_reject::simplify_type(tcx, impl_self_ty, TreatParams::InstantiateWithInfer) { impls.non_blanket_impls.entry(simplified_self_ty).or_default().push(impl_def_id); } else { diff --git a/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs index 5738173c7a80..1865791fef05 100644 --- a/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs @@ -3,7 +3,7 @@ mod inherent; mod opaque_types; mod weak_types; -use rustc_type_ir::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_type_ir::fast_reject::DeepRejectCtxt; use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::{self as ty, Interner, NormalizesTo, Upcast as _}; @@ -106,6 +106,12 @@ where if let Some(projection_pred) = assumption.as_projection_clause() { if projection_pred.projection_def_id() == goal.predicate.def_id() { let cx = ecx.cx(); + if !DeepRejectCtxt::relate_rigid_rigid(ecx.cx()).args_may_unify( + goal.predicate.alias.args, + projection_pred.skip_binder().projection_term.args, + ) { + return Err(NoSolution); + } ecx.probe_trait_candidate(source).enter(|ecx| { let assumption_projection_pred = ecx.instantiate_binder_with_infer(projection_pred); @@ -144,7 +150,7 @@ where let goal_trait_ref = goal.predicate.alias.trait_ref(cx); let impl_trait_ref = cx.impl_trait_ref(impl_def_id); - if !DeepRejectCtxt::new(ecx.cx(), TreatParams::ForLookup).args_may_unify( + if !DeepRejectCtxt::relate_rigid_infer(ecx.cx()).args_may_unify( goal.predicate.alias.trait_ref(cx).args, impl_trait_ref.skip_binder().args, ) { diff --git a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs index 1314b7eb6ffc..997e98a01059 100644 --- a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs @@ -2,7 +2,7 @@ use rustc_ast_ir::Movability; use rustc_type_ir::data_structures::IndexSet; -use rustc_type_ir::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_type_ir::fast_reject::DeepRejectCtxt; use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::visit::TypeVisitableExt as _; @@ -47,7 +47,7 @@ where let cx = ecx.cx(); let impl_trait_ref = cx.impl_trait_ref(impl_def_id); - if !DeepRejectCtxt::new(ecx.cx(), TreatParams::ForLookup) + if !DeepRejectCtxt::relate_rigid_infer(ecx.cx()) .args_may_unify(goal.predicate.trait_ref.args, impl_trait_ref.skip_binder().args) { return Err(NoSolution); @@ -124,6 +124,13 @@ where if trait_clause.def_id() == goal.predicate.def_id() && trait_clause.polarity() == goal.predicate.polarity { + if !DeepRejectCtxt::relate_rigid_rigid(ecx.cx()).args_may_unify( + goal.predicate.trait_ref.args, + trait_clause.skip_binder().trait_ref.args, + ) { + return Err(NoSolution); + } + ecx.probe_trait_candidate(source).enter(|ecx| { let assumption_trait_pred = ecx.instantiate_binder_with_infer(trait_clause); ecx.eq( diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/note_and_explain.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/note_and_explain.rs index 05c79170902d..b56f2775139c 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/infer/note_and_explain.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/infer/note_and_explain.rs @@ -4,7 +4,7 @@ use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_middle::traits::{ObligationCause, ObligationCauseCode}; use rustc_middle::ty::error::{ExpectedFound, TypeError}; -use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::print::{FmtPrinter, Printer}; use rustc_middle::ty::{self, suggest_constraining_type_param, Ty}; use rustc_span::def_id::DefId; @@ -316,7 +316,7 @@ impl Trait for X { { let mut has_matching_impl = false; tcx.for_each_relevant_impl(def_id, values.found, |did| { - if DeepRejectCtxt::new(tcx, TreatParams::ForLookup) + if DeepRejectCtxt::relate_rigid_infer(tcx) .types_may_unify(values.found, tcx.type_of(did).skip_binder()) { has_matching_impl = true; @@ -337,7 +337,7 @@ impl Trait for X { { let mut has_matching_impl = false; tcx.for_each_relevant_impl(def_id, values.expected, |did| { - if DeepRejectCtxt::new(tcx, TreatParams::ForLookup) + if DeepRejectCtxt::relate_rigid_infer(tcx) .types_may_unify(values.expected, tcx.type_of(did).skip_binder()) { has_matching_impl = true; @@ -357,7 +357,7 @@ impl Trait for X { { let mut has_matching_impl = false; tcx.for_each_relevant_impl(def_id, values.found, |did| { - if DeepRejectCtxt::new(tcx, TreatParams::ForLookup) + if DeepRejectCtxt::relate_rigid_infer(tcx) .types_may_unify(values.found, tcx.type_of(did).skip_binder()) { has_matching_impl = true; diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 2d843d8f1740..4fac3f1aedf9 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -15,7 +15,7 @@ use rustc_middle::bug; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal}; use rustc_middle::traits::specialization_graph::OverlapMode; -use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; use rustc_middle::ty::{self, Ty, TyCtxt}; pub use rustc_next_trait_solver::coherence::*; @@ -94,7 +94,7 @@ pub fn overlapping_impls( // Before doing expensive operations like entering an inference context, do // a quick check via fast_reject to tell if the impl headers could possibly // unify. - let drcx = DeepRejectCtxt::new(tcx, TreatParams::AsCandidateKey); + let drcx = DeepRejectCtxt::relate_infer_infer(tcx); let impl1_ref = tcx.impl_trait_ref(impl1_def_id); let impl2_ref = tcx.impl_trait_ref(impl2_def_id); let may_overlap = match (impl1_ref, impl2_ref) { diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 568214fe0229..a15860181e45 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -13,6 +13,7 @@ use rustc_infer::traits::ObligationCauseCode; use rustc_middle::traits::select::OverflowError; pub use rustc_middle::traits::Reveal; use rustc_middle::traits::{BuiltinImplSource, ImplSource, ImplSourceUserDefinedData}; +use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::visit::{MaxUniverse, TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::{self, Term, Ty, TyCtxt, Upcast}; @@ -885,6 +886,7 @@ fn assemble_candidates_from_predicates<'cx, 'tcx>( potentially_unnormalized_candidates: bool, ) { let infcx = selcx.infcx; + let drcx = DeepRejectCtxt::relate_rigid_rigid(selcx.tcx()); for predicate in env_predicates { let bound_predicate = predicate.kind(); if let ty::ClauseKind::Projection(data) = predicate.kind().skip_binder() { @@ -893,6 +895,12 @@ fn assemble_candidates_from_predicates<'cx, 'tcx>( continue; } + if !drcx + .args_may_unify(obligation.predicate.args, data.skip_binder().projection_term.args) + { + continue; + } + let is_match = infcx.probe(|_| { selcx.match_projection_projections( obligation, diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index cb8deeaedb66..b03d8f8dc5f8 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -13,7 +13,7 @@ use hir::LangItem; use rustc_data_structures::fx::{FxHashSet, FxIndexSet}; use rustc_hir as hir; use rustc_infer::traits::{Obligation, ObligationCause, PolyTraitObligation, SelectionError}; -use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::{self, ToPolyTraitRef, Ty, TypeVisitableExt}; use rustc_middle::{bug, span_bug}; @@ -247,11 +247,17 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { .filter(|p| p.def_id() == stack.obligation.predicate.def_id()) .filter(|p| p.polarity() == stack.obligation.predicate.polarity()); + let drcx = DeepRejectCtxt::relate_rigid_rigid(self.tcx()); + let obligation_args = stack.obligation.predicate.skip_binder().trait_ref.args; // Keep only those bounds which may apply, and propagate overflow if it occurs. for bound in bounds { + let bound_trait_ref = bound.map_bound(|t| t.trait_ref); + if !drcx.args_may_unify(obligation_args, bound_trait_ref.skip_binder().args) { + continue; + } // FIXME(oli-obk): it is suspicious that we are dropping the constness and // polarity here. - let wc = self.where_clause_may_apply(stack, bound.map_bound(|t| t.trait_ref))?; + let wc = self.where_clause_may_apply(stack, bound_trait_ref)?; if wc.may_apply() { candidates.vec.push(ParamCandidate(bound)); } @@ -580,7 +586,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { return; } - let drcx = DeepRejectCtxt::new(self.tcx(), TreatParams::ForLookup); + let drcx = DeepRejectCtxt::relate_rigid_infer(self.tcx()); let obligation_args = obligation.predicate.skip_binder().trait_ref.args; self.tcx().for_each_relevant_impl( obligation.predicate.def_id(), diff --git a/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs b/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs index 732f1b0a3d7c..c0a712cbf9fd 100644 --- a/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs +++ b/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs @@ -40,7 +40,7 @@ impl<'tcx> Children { fn insert_blindly(&mut self, tcx: TyCtxt<'tcx>, impl_def_id: DefId) { let trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap().skip_binder(); if let Some(st) = - fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::AsCandidateKey) + fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::InstantiateWithInfer) { debug!("insert_blindly: impl_def_id={:?} st={:?}", impl_def_id, st); self.non_blanket_impls.entry(st).or_default().push(impl_def_id) @@ -57,7 +57,7 @@ impl<'tcx> Children { let trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap().skip_binder(); let vec: &mut Vec; if let Some(st) = - fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::AsCandidateKey) + fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::InstantiateWithInfer) { debug!("remove_existing: impl_def_id={:?} st={:?}", impl_def_id, st); vec = self.non_blanket_impls.get_mut(&st).unwrap(); @@ -278,7 +278,7 @@ impl<'tcx> Graph { let mut parent = trait_def_id; let mut last_lint = None; let simplified = - fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::AsCandidateKey); + fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::InstantiateWithInfer); // Descend the specialization tree, where `parent` is the current parent node. loop { diff --git a/compiler/rustc_type_ir/src/fast_reject.rs b/compiler/rustc_type_ir/src/fast_reject.rs index fab4a0991175..2c8e47bcbca2 100644 --- a/compiler/rustc_type_ir/src/fast_reject.rs +++ b/compiler/rustc_type_ir/src/fast_reject.rs @@ -74,13 +74,13 @@ impl> ToStableHashKey for SimplifiedType pub enum TreatParams { /// Treat parameters as infer vars. This is the correct mode for caching /// an impl's type for lookup. - AsCandidateKey, + InstantiateWithInfer, /// Treat parameters as placeholders in the given environment. This is the /// correct mode for *lookup*, as during candidate selection. /// /// This also treats projections with inference variables as infer vars /// since they could be further normalized. - ForLookup, + AsRigid, } /// Tries to simplify a type by only returning the outermost injective¹ layer, if one exists. @@ -140,18 +140,16 @@ pub fn simplify_type( } ty::Placeholder(..) => Some(SimplifiedType::Placeholder), ty::Param(_) => match treat_params { - TreatParams::ForLookup => Some(SimplifiedType::Placeholder), - TreatParams::AsCandidateKey => None, + TreatParams::AsRigid => Some(SimplifiedType::Placeholder), + TreatParams::InstantiateWithInfer => None, }, ty::Alias(..) => match treat_params { // When treating `ty::Param` as a placeholder, projections also // don't unify with anything else as long as they are fully normalized. // FIXME(-Znext-solver): Can remove this `if` and always simplify to `Placeholder` // when the new solver is enabled by default. - TreatParams::ForLookup if !ty.has_non_region_infer() => { - Some(SimplifiedType::Placeholder) - } - TreatParams::ForLookup | TreatParams::AsCandidateKey => None, + TreatParams::AsRigid if !ty.has_non_region_infer() => Some(SimplifiedType::Placeholder), + TreatParams::AsRigid | TreatParams::InstantiateWithInfer => None, }, ty::Foreign(def_id) => Some(SimplifiedType::Foreign(def_id)), ty::Error(_) => Some(SimplifiedType::Error), @@ -173,29 +171,49 @@ impl SimplifiedType { } } -/// Given generic arguments from an obligation and an impl, -/// could these two be unified after replacing parameters in the -/// the impl with inference variables. +/// Given generic arguments, could they be unified after +/// replacing parameters with inference variables or placeholders. +/// This behavior is toggled using the const generics. /// -/// For obligations, parameters won't be replaced by inference -/// variables and only unify with themselves. We treat them -/// the same way we treat placeholders. +/// We use this to quickly reject impl/wc candidates without needing +/// to instantiate generic arguments/having to enter a probe. /// /// We also use this function during coherence. For coherence the /// impls only have to overlap for some value, so we treat parameters -/// on both sides like inference variables. This behavior is toggled -/// using the `treat_obligation_params` field. +/// on both sides like inference variables. #[derive(Debug, Clone, Copy)] -pub struct DeepRejectCtxt { - treat_obligation_params: TreatParams, +pub struct DeepRejectCtxt< + I: Interner, + const INSTANTIATE_LHS_WITH_INFER: bool, + const INSTANTIATE_RHS_WITH_INFER: bool, +> { _interner: PhantomData, } -impl DeepRejectCtxt { - pub fn new(_interner: I, treat_obligation_params: TreatParams) -> Self { - DeepRejectCtxt { treat_obligation_params, _interner: PhantomData } +impl DeepRejectCtxt { + /// Treat parameters in both the lhs and the rhs as rigid. + pub fn relate_rigid_rigid(_interner: I) -> DeepRejectCtxt { + DeepRejectCtxt { _interner: PhantomData } } +} +impl DeepRejectCtxt { + /// Treat parameters in both the lhs and the rhs as infer vars. + pub fn relate_infer_infer(_interner: I) -> DeepRejectCtxt { + DeepRejectCtxt { _interner: PhantomData } + } +} + +impl DeepRejectCtxt { + /// Treat parameters in the lhs as rigid, and in rhs as infer vars. + pub fn relate_rigid_infer(_interner: I) -> DeepRejectCtxt { + DeepRejectCtxt { _interner: PhantomData } + } +} + +impl + DeepRejectCtxt +{ pub fn args_may_unify( self, obligation_args: I::GenericArgs, @@ -216,11 +234,18 @@ impl DeepRejectCtxt { }) } - pub fn types_may_unify(self, obligation_ty: I::Ty, impl_ty: I::Ty) -> bool { - match impl_ty.kind() { - // Start by checking whether the type in the impl may unify with + pub fn types_may_unify(self, lhs: I::Ty, rhs: I::Ty) -> bool { + match rhs.kind() { + // Start by checking whether the `rhs` type may unify with // pretty much everything. Just return `true` in that case. - ty::Param(_) | ty::Error(_) | ty::Alias(..) => return true, + ty::Param(_) => { + if INSTANTIATE_RHS_WITH_INFER { + return true; + } + } + ty::Error(_) | ty::Alias(..) | ty::Bound(..) => return true, + ty::Infer(var) => return self.var_and_ty_may_unify(var, lhs), + // These types only unify with inference variables or their own // variant. ty::Bool @@ -238,108 +263,48 @@ impl DeepRejectCtxt { | ty::Ref(..) | ty::Never | ty::Tuple(..) + | ty::FnDef(..) | ty::FnPtr(..) - | ty::Foreign(..) => debug_assert!(impl_ty.is_known_rigid()), - ty::FnDef(..) | ty::Closure(..) | ty::CoroutineClosure(..) | ty::Coroutine(..) | ty::CoroutineWitness(..) - | ty::Placeholder(..) - | ty::Bound(..) - | ty::Infer(_) => panic!("unexpected impl_ty: {impl_ty:?}"), - } + | ty::Foreign(_) + | ty::Placeholder(_) => {} + }; - let k = impl_ty.kind(); - match obligation_ty.kind() { - // Purely rigid types, use structural equivalence. - ty::Bool - | ty::Char - | ty::Int(_) - | ty::Uint(_) - | ty::Float(_) - | ty::Str - | ty::Never - | ty::Foreign(_) => obligation_ty == impl_ty, - ty::Ref(_, obl_ty, obl_mutbl) => match k { - ty::Ref(_, impl_ty, impl_mutbl) => { - obl_mutbl == impl_mutbl && self.types_may_unify(obl_ty, impl_ty) + // For purely rigid types, use structural equivalence. + match lhs.kind() { + ty::Ref(_, lhs_ty, lhs_mutbl) => match rhs.kind() { + ty::Ref(_, rhs_ty, rhs_mutbl) => { + lhs_mutbl == rhs_mutbl && self.types_may_unify(lhs_ty, rhs_ty) } _ => false, }, - ty::Adt(obl_def, obl_args) => match k { - ty::Adt(impl_def, impl_args) => { - obl_def == impl_def && self.args_may_unify(obl_args, impl_args) + + ty::Adt(lhs_def, lhs_args) => match rhs.kind() { + ty::Adt(rhs_def, rhs_args) => { + lhs_def == rhs_def && self.args_may_unify(lhs_args, rhs_args) } _ => false, }, - ty::Pat(obl_ty, _) => { - // FIXME(pattern_types): take pattern into account - matches!(k, ty::Pat(impl_ty, _) if self.types_may_unify(obl_ty, impl_ty)) + + // Depending on the value of const generics, we either treat generic parameters + // like placeholders or like inference variables. + ty::Param(lhs) => { + INSTANTIATE_LHS_WITH_INFER + || match rhs.kind() { + ty::Param(rhs) => lhs == rhs, + _ => false, + } } - ty::Slice(obl_ty) => { - matches!(k, ty::Slice(impl_ty) if self.types_may_unify(obl_ty, impl_ty)) + + // Placeholder types don't unify with anything on their own. + ty::Placeholder(lhs) => { + matches!(rhs.kind(), ty::Placeholder(rhs) if lhs == rhs) } - ty::Array(obl_ty, obl_len) => match k { - ty::Array(impl_ty, impl_len) => { - self.types_may_unify(obl_ty, impl_ty) - && self.consts_may_unify(obl_len, impl_len) - } - _ => false, - }, - ty::Tuple(obl) => match k { - ty::Tuple(imp) => { - obl.len() == imp.len() - && iter::zip(obl.iter(), imp.iter()) - .all(|(obl, imp)| self.types_may_unify(obl, imp)) - } - _ => false, - }, - ty::RawPtr(obl_ty, obl_mutbl) => match k { - ty::RawPtr(imp_ty, imp_mutbl) => { - obl_mutbl == imp_mutbl && self.types_may_unify(obl_ty, imp_ty) - } - _ => false, - }, - ty::Dynamic(obl_preds, ..) => { - // Ideally we would walk the existential predicates here or at least - // compare their length. But considering that the relevant `Relate` impl - // actually sorts and deduplicates these, that doesn't work. - matches!(k, ty::Dynamic(impl_preds, ..) if - obl_preds.principal_def_id() == impl_preds.principal_def_id() - ) - } - ty::FnPtr(obl_sig_tys, obl_hdr) => match k { - ty::FnPtr(impl_sig_tys, impl_hdr) => { - let obl_sig_tys = obl_sig_tys.skip_binder().inputs_and_output; - let impl_sig_tys = impl_sig_tys.skip_binder().inputs_and_output; - obl_hdr == impl_hdr - && obl_sig_tys.len() == impl_sig_tys.len() - && iter::zip(obl_sig_tys.iter(), impl_sig_tys.iter()) - .all(|(obl, imp)| self.types_may_unify(obl, imp)) - } - _ => false, - }, - - // Impls cannot contain these types as these cannot be named directly. - ty::FnDef(..) | ty::Closure(..) | ty::CoroutineClosure(..) | ty::Coroutine(..) => false, - - // Placeholder types don't unify with anything on their own - ty::Placeholder(..) | ty::Bound(..) => false, - - // Depending on the value of `treat_obligation_params`, we either - // treat generic parameters like placeholders or like inference variables. - ty::Param(_) => match self.treat_obligation_params { - TreatParams::ForLookup => false, - TreatParams::AsCandidateKey => true, - }, - - ty::Infer(ty::IntVar(_)) => impl_ty.is_integral(), - - ty::Infer(ty::FloatVar(_)) => impl_ty.is_floating_point(), - - ty::Infer(_) => true, + ty::Infer(var) => self.var_and_ty_may_unify(var, rhs), // As we're walking the whole type, it may encounter projections // inside of binders and what not, so we're just going to assume that @@ -348,49 +313,167 @@ impl DeepRejectCtxt { // Looking forward to lazy normalization this is the safer strategy anyways. ty::Alias(..) => true, - ty::Error(_) => true, + ty::Int(_) + | ty::Uint(_) + | ty::Float(_) + | ty::Str + | ty::Bool + | ty::Char + | ty::Never + | ty::Foreign(_) => lhs == rhs, - ty::CoroutineWitness(..) => { - panic!("unexpected obligation type: {:?}", obligation_ty) + ty::Tuple(lhs) => match rhs.kind() { + ty::Tuple(rhs) => { + lhs.len() == rhs.len() + && iter::zip(lhs.iter(), rhs.iter()) + .all(|(lhs, rhs)| self.types_may_unify(lhs, rhs)) + } + _ => false, + }, + + ty::Array(lhs_ty, lhs_len) => match rhs.kind() { + ty::Array(rhs_ty, rhs_len) => { + self.types_may_unify(lhs_ty, rhs_ty) && self.consts_may_unify(lhs_len, rhs_len) + } + _ => false, + }, + + ty::RawPtr(lhs_ty, lhs_mutbl) => match rhs.kind() { + ty::RawPtr(rhs_ty, rhs_mutbl) => { + lhs_mutbl == rhs_mutbl && self.types_may_unify(lhs_ty, rhs_ty) + } + _ => false, + }, + + ty::Slice(lhs_ty) => { + matches!(rhs.kind(), ty::Slice(rhs_ty) if self.types_may_unify(lhs_ty, rhs_ty)) } + + ty::Dynamic(lhs_preds, ..) => { + // Ideally we would walk the existential predicates here or at least + // compare their length. But considering that the relevant `Relate` impl + // actually sorts and deduplicates these, that doesn't work. + matches!(rhs.kind(), ty::Dynamic(rhs_preds, ..) if + lhs_preds.principal_def_id() == rhs_preds.principal_def_id() + ) + } + + ty::FnPtr(lhs_sig_tys, lhs_hdr) => match rhs.kind() { + ty::FnPtr(rhs_sig_tys, rhs_hdr) => { + let lhs_sig_tys = lhs_sig_tys.skip_binder().inputs_and_output; + let rhs_sig_tys = rhs_sig_tys.skip_binder().inputs_and_output; + + lhs_hdr == rhs_hdr + && lhs_sig_tys.len() == rhs_sig_tys.len() + && iter::zip(lhs_sig_tys.iter(), rhs_sig_tys.iter()) + .all(|(lhs, rhs)| self.types_may_unify(lhs, rhs)) + } + _ => false, + }, + + ty::Bound(..) => true, + + ty::FnDef(lhs_def_id, lhs_args) => match rhs.kind() { + ty::FnDef(rhs_def_id, rhs_args) => { + lhs_def_id == rhs_def_id && self.args_may_unify(lhs_args, rhs_args) + } + _ => false, + }, + + ty::Closure(lhs_def_id, lhs_args) => match rhs.kind() { + ty::Closure(rhs_def_id, rhs_args) => { + lhs_def_id == rhs_def_id && self.args_may_unify(lhs_args, rhs_args) + } + _ => false, + }, + + ty::CoroutineClosure(lhs_def_id, lhs_args) => match rhs.kind() { + ty::CoroutineClosure(rhs_def_id, rhs_args) => { + lhs_def_id == rhs_def_id && self.args_may_unify(lhs_args, rhs_args) + } + _ => false, + }, + + ty::Coroutine(lhs_def_id, lhs_args) => match rhs.kind() { + ty::Coroutine(rhs_def_id, rhs_args) => { + lhs_def_id == rhs_def_id && self.args_may_unify(lhs_args, rhs_args) + } + _ => false, + }, + + ty::CoroutineWitness(lhs_def_id, lhs_args) => match rhs.kind() { + ty::CoroutineWitness(rhs_def_id, rhs_args) => { + lhs_def_id == rhs_def_id && self.args_may_unify(lhs_args, rhs_args) + } + _ => false, + }, + + ty::Pat(lhs_ty, _) => { + // FIXME(pattern_types): take pattern into account + matches!(rhs.kind(), ty::Pat(rhs_ty, _) if self.types_may_unify(lhs_ty, rhs_ty)) + } + + ty::Error(..) => true, } } - pub fn consts_may_unify(self, obligation_ct: I::Const, impl_ct: I::Const) -> bool { - let impl_val = match impl_ct.kind() { + pub fn consts_may_unify(self, lhs: I::Const, rhs: I::Const) -> bool { + match rhs.kind() { + ty::ConstKind::Param(_) => { + if INSTANTIATE_RHS_WITH_INFER { + return true; + } + } + ty::ConstKind::Expr(_) - | ty::ConstKind::Param(_) | ty::ConstKind::Unevaluated(_) - | ty::ConstKind::Error(_) => { + | ty::ConstKind::Error(_) + | ty::ConstKind::Infer(_) + | ty::ConstKind::Bound(..) => { return true; } - ty::ConstKind::Value(_, impl_val) => impl_val, - ty::ConstKind::Infer(_) | ty::ConstKind::Bound(..) | ty::ConstKind::Placeholder(_) => { - panic!("unexpected impl arg: {:?}", impl_ct) - } + + ty::ConstKind::Value(..) | ty::ConstKind::Placeholder(_) => {} }; - match obligation_ct.kind() { - ty::ConstKind::Param(_) => match self.treat_obligation_params { - TreatParams::ForLookup => false, - TreatParams::AsCandidateKey => true, + match lhs.kind() { + ty::ConstKind::Value(_, lhs_val) => match rhs.kind() { + ty::ConstKind::Value(_, rhs_val) => lhs_val == rhs_val, + _ => false, }, + ty::ConstKind::Param(lhs) => { + INSTANTIATE_LHS_WITH_INFER + || match rhs.kind() { + ty::ConstKind::Param(rhs) => lhs == rhs, + _ => false, + } + } + // Placeholder consts don't unify with anything on their own - ty::ConstKind::Placeholder(_) => false, + ty::ConstKind::Placeholder(lhs) => { + matches!(rhs.kind(), ty::ConstKind::Placeholder(rhs) if lhs == rhs) + } // As we don't necessarily eagerly evaluate constants, // they might unify with any value. ty::ConstKind::Expr(_) | ty::ConstKind::Unevaluated(_) | ty::ConstKind::Error(_) => { true } - ty::ConstKind::Value(_, obl_val) => obl_val == impl_val, - ty::ConstKind::Infer(_) => true, + ty::ConstKind::Infer(_) | ty::ConstKind::Bound(..) => true, + } + } - ty::ConstKind::Bound(..) => { - panic!("unexpected obl const: {:?}", obligation_ct) - } + fn var_and_ty_may_unify(self, var: ty::InferTy, ty: I::Ty) -> bool { + if !ty.is_known_rigid() { + return true; + } + + match var { + ty::IntVar(_) => ty.is_integral(), + ty::FloatVar(_) => ty.is_floating_point(), + _ => true, } } } diff --git a/src/librustdoc/html/render/write_shared.rs b/src/librustdoc/html/render/write_shared.rs index a18b7a252a40..b68d7d8759cb 100644 --- a/src/librustdoc/html/render/write_shared.rs +++ b/src/librustdoc/html/render/write_shared.rs @@ -29,7 +29,7 @@ use itertools::Itertools; use regex::Regex; use rustc_data_structures::flock; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::TyCtxt; use rustc_span::def_id::DefId; use rustc_span::Symbol; @@ -826,7 +826,7 @@ impl<'cx, 'cache> DocVisitor for TypeImplCollector<'cx, 'cache> { // Be aware of `tests/rustdoc/type-alias/deeply-nested-112515.rs` which might regress. let Some(impl_did) = impl_item_id.as_def_id() else { continue }; let for_ty = self.cx.tcx().type_of(impl_did).skip_binder(); - let reject_cx = DeepRejectCtxt::new(self.cx.tcx(), TreatParams::AsCandidateKey); + let reject_cx = DeepRejectCtxt::relate_infer_infer(self.cx.tcx()); if !reject_cx.types_may_unify(aliased_ty, for_ty) { continue; } From 59885f5065c95d52497220668debf76b4ad1cd0a Mon Sep 17 00:00:00 2001 From: Bryanskiy Date: Mon, 26 Aug 2024 16:18:05 +0300 Subject: [PATCH 028/149] Delegation refactoring: add builders for generics inheritance --- compiler/rustc_hir_analysis/src/delegation.rs | 268 ++++++++++++------ .../{not-supported.rs => unsupported.rs} | 0 ...ot-supported.stderr => unsupported.stderr} | 60 ++-- 3 files changed, 216 insertions(+), 112 deletions(-) rename tests/ui/delegation/{not-supported.rs => unsupported.rs} (100%) rename tests/ui/delegation/{not-supported.stderr => unsupported.stderr} (83%) diff --git a/compiler/rustc_hir_analysis/src/delegation.rs b/compiler/rustc_hir_analysis/src/delegation.rs index 20aaa43219f3..d7a0698b6b3f 100644 --- a/compiler/rustc_hir_analysis/src/delegation.rs +++ b/compiler/rustc_hir_analysis/src/delegation.rs @@ -76,41 +76,153 @@ fn fn_kind<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> FnKind { } } +struct GenericsBuilder<'tcx> { + tcx: TyCtxt<'tcx>, + sig_id: DefId, + parent: Option, +} + +impl<'tcx> GenericsBuilder<'tcx> { + fn new(tcx: TyCtxt<'tcx>, sig_id: DefId) -> GenericsBuilder<'tcx> { + GenericsBuilder { tcx, sig_id, parent: None } + } + + fn build(self) -> ty::Generics { + let mut own_params = vec![]; + + let sig_generics = self.tcx.generics_of(self.sig_id); + if let Some(parent_def_id) = sig_generics.parent { + let sig_parent_generics = self.tcx.generics_of(parent_def_id); + own_params.append(&mut sig_parent_generics.own_params.clone()); + } + own_params.append(&mut sig_generics.own_params.clone()); + + // Lifetime parameters must be declared before type and const parameters. + // Therefore, When delegating from a free function to a associated function, + // generic parameters need to be reordered: + // + // trait Trait<'a, A> { + // fn foo<'b, B>(...) {...} + // } + // + // reuse Trait::foo; + // desugaring: + // fn foo<'a, 'b, This: Trait<'a, A>, A, B>(...) { + // Trait::foo(...) + // } + own_params.sort_by_key(|key| key.kind.is_ty_or_const()); + + let param_def_id_to_index = + own_params.iter().map(|param| (param.def_id, param.index)).collect(); + + for (idx, param) in own_params.iter_mut().enumerate() { + param.index = idx as u32; + // FIXME(fn_delegation): Default parameters are not inherited, because they are + // not permitted in functions. Therefore, there are 2 options here: + // + // - We can create non-default generic parameters. + // - We can substitute default parameters into the signature. + // + // At the moment, first option has been selected as the most general. + if let ty::GenericParamDefKind::Type { has_default, .. } + | ty::GenericParamDefKind::Const { has_default, .. } = &mut param.kind + { + *has_default = false; + } + } + + ty::Generics { + parent: self.parent, + parent_count: 0, + own_params, + param_def_id_to_index, + has_self: false, + has_late_bound_regions: sig_generics.has_late_bound_regions, + host_effect_index: sig_generics.host_effect_index, + } + } +} + +struct PredicatesBuilder<'tcx> { + tcx: TyCtxt<'tcx>, + args: ty::GenericArgsRef<'tcx>, + parent: Option, + sig_id: DefId, +} + +impl<'tcx> PredicatesBuilder<'tcx> { + fn new( + tcx: TyCtxt<'tcx>, + args: ty::GenericArgsRef<'tcx>, + sig_id: DefId, + ) -> PredicatesBuilder<'tcx> { + PredicatesBuilder { tcx, args, parent: None, sig_id } + } + + fn build(self) -> ty::GenericPredicates<'tcx> { + let mut preds = vec![]; + + let sig_predicates = self.tcx.predicates_of(self.sig_id); + if let Some(parent) = sig_predicates.parent { + let sig_parent_preds = self.tcx.predicates_of(parent); + preds.extend(sig_parent_preds.instantiate_own(self.tcx, self.args)); + } + preds.extend(sig_predicates.instantiate_own(self.tcx, self.args)); + + ty::GenericPredicates { + parent: self.parent, + predicates: self.tcx.arena.alloc_from_iter(preds), + // FIXME(fn_delegation): Support effects. + effects_min_tys: ty::List::empty(), + } + } +} + +struct GenericArgsBuilder<'tcx> { + tcx: TyCtxt<'tcx>, + remap_table: RemapTable, + sig_id: DefId, + def_id: LocalDefId, +} + +impl<'tcx> GenericArgsBuilder<'tcx> { + fn new(tcx: TyCtxt<'tcx>, sig_id: DefId, def_id: LocalDefId) -> GenericArgsBuilder<'tcx> { + GenericArgsBuilder { tcx, remap_table: FxHashMap::default(), sig_id, def_id } + } + + fn build_from_args(mut self, args: ty::GenericArgsRef<'tcx>) -> ty::GenericArgsRef<'tcx> { + let caller_generics = self.tcx.generics_of(self.def_id); + let callee_generics = self.tcx.generics_of(self.sig_id); + + for caller_param in &caller_generics.own_params { + let callee_index = + callee_generics.param_def_id_to_index(self.tcx, caller_param.def_id).unwrap(); + self.remap_table.insert(callee_index, caller_param.index); + } + + let mut folder = ParamIndexRemapper { tcx: self.tcx, remap_table: self.remap_table }; + args.fold_with(&mut folder) + } +} + fn create_generic_args<'tcx>( tcx: TyCtxt<'tcx>, def_id: LocalDefId, sig_id: DefId, ) -> ty::GenericArgsRef<'tcx> { - let caller_generics = tcx.generics_of(def_id); - let callee_generics = tcx.generics_of(sig_id); + let builder = GenericArgsBuilder::new(tcx, sig_id, def_id); let caller_kind = fn_kind(tcx, def_id.into()); let callee_kind = fn_kind(tcx, sig_id); - // FIXME(fn_delegation): Support generics on associated delegation items. - // Error will be reported in `check_constraints`. + match (caller_kind, callee_kind) { - (FnKind::Free, _) => { - // Lifetime parameters must be declared before type and const parameters. - // Therefore, When delegating from a free function to a associated function, - // generic parameters need to be reordered: - // - // trait Trait<'a, A> { - // fn foo<'b, B>(...) {...} - // } - // - // reuse Trait::foo; - // desugaring: - // fn foo<'a, 'b, This: Trait<'a, A>, A, B>(...) { - // Trait::foo(...) - // } - let mut remap_table = RemapTable::default(); - for caller_param in &caller_generics.own_params { - let callee_index = - callee_generics.param_def_id_to_index(tcx, caller_param.def_id).unwrap(); - remap_table.insert(callee_index, caller_param.index); - } - let mut folder = ParamIndexRemapper { tcx, remap_table }; - ty::GenericArgs::identity_for_item(tcx, sig_id).fold_with(&mut folder) + (FnKind::Free, FnKind::Free) + | (FnKind::Free, FnKind::AssocTrait) + | (FnKind::AssocInherentImpl, FnKind::Free) + | (FnKind::AssocTrait, FnKind::Free) + | (FnKind::AssocTrait, FnKind::AssocTrait) => { + let args = ty::GenericArgs::identity_for_item(tcx, sig_id); + builder.build_from_args(args) } // FIXME(fn_delegation): Only `Self` param supported here. (FnKind::AssocTraitImpl, FnKind::AssocTrait) @@ -120,7 +232,11 @@ fn create_generic_args<'tcx>( let generic_self_ty = ty::GenericArg::from(self_ty); tcx.mk_args_from_iter(std::iter::once(generic_self_ty)) } - _ => ty::GenericArgs::identity_for_item(tcx, sig_id), + // For trait impl's `sig_id` is always equal to the corresponding trait method. + (FnKind::AssocTraitImpl, _) + | (_, FnKind::AssocTraitImpl) + // Delegation to inherent methods is not yet supported. + | (_, FnKind::AssocInherentImpl) => unreachable!(), } } @@ -129,47 +245,29 @@ pub(crate) fn inherit_generics_for_delegation_item<'tcx>( def_id: LocalDefId, sig_id: DefId, ) -> Option { + let builder = GenericsBuilder::new(tcx, sig_id); + + let caller_kind = fn_kind(tcx, def_id.into()); + let callee_kind = fn_kind(tcx, sig_id); + // FIXME(fn_delegation): Support generics on associated delegation items. // Error will be reported in `check_constraints`. - if fn_kind(tcx, def_id.into()) != FnKind::Free { - return None; + match (caller_kind, callee_kind) { + (FnKind::Free, FnKind::Free) + | (FnKind::Free, FnKind::AssocTrait) => Some(builder.build()), + + (FnKind::AssocTraitImpl, FnKind::AssocTrait) + | (FnKind::AssocInherentImpl, FnKind::AssocTrait) + | (FnKind::AssocTrait, FnKind::AssocTrait) + | (FnKind::AssocInherentImpl, FnKind::Free) + | (FnKind::AssocTrait, FnKind::Free) => None, + + // For trait impl's `sig_id` is always equal to the corresponding trait method. + (FnKind::AssocTraitImpl, _) + | (_, FnKind::AssocTraitImpl) + // Delegation to inherent methods is not yet supported. + | (_, FnKind::AssocInherentImpl) => unreachable!(), } - - let mut own_params = vec![]; - - let callee_generics = tcx.generics_of(sig_id); - if let Some(parent_sig_id) = callee_generics.parent { - let parent_sig_generics = tcx.generics_of(parent_sig_id); - own_params.append(&mut parent_sig_generics.own_params.clone()); - } - own_params.append(&mut callee_generics.own_params.clone()); - - // Lifetimes go first. - own_params.sort_by_key(|key| key.kind.is_ty_or_const()); - - for (idx, param) in own_params.iter_mut().enumerate() { - param.index = idx as u32; - // Default parameters are not inherited: they are not allowed - // in fn's. - if let ty::GenericParamDefKind::Type { has_default, .. } - | ty::GenericParamDefKind::Const { has_default, .. } = &mut param.kind - { - *has_default = false; - } - } - - let param_def_id_to_index = - own_params.iter().map(|param| (param.def_id, param.index)).collect(); - - Some(ty::Generics { - parent: None, - parent_count: 0, - own_params, - param_def_id_to_index, - has_self: false, - has_late_bound_regions: callee_generics.has_late_bound_regions, - host_effect_index: callee_generics.host_effect_index, - }) } pub(crate) fn inherit_predicates_for_delegation_item<'tcx>( @@ -177,26 +275,32 @@ pub(crate) fn inherit_predicates_for_delegation_item<'tcx>( def_id: LocalDefId, sig_id: DefId, ) -> Option> { + let args = create_generic_args(tcx, def_id, sig_id); + let builder = PredicatesBuilder::new(tcx, args, sig_id); + + let caller_kind = fn_kind(tcx, def_id.into()); + let callee_kind = fn_kind(tcx, sig_id); + // FIXME(fn_delegation): Support generics on associated delegation items. // Error will be reported in `check_constraints`. - if fn_kind(tcx, def_id.into()) != FnKind::Free { - return None; + match (caller_kind, callee_kind) { + (FnKind::Free, FnKind::Free) + | (FnKind::Free, FnKind::AssocTrait) => { + Some(builder.build()) + } + + (FnKind::AssocTraitImpl, FnKind::AssocTrait) + | (FnKind::AssocInherentImpl, FnKind::AssocTrait) + | (FnKind::AssocTrait, FnKind::AssocTrait) + | (FnKind::AssocInherentImpl, FnKind::Free) + | (FnKind::AssocTrait, FnKind::Free) => None, + + // For trait impl's `sig_id` is always equal to the corresponding trait method. + (FnKind::AssocTraitImpl, _) + | (_, FnKind::AssocTraitImpl) + // Delegation to inherent methods is not yet supported. + | (_, FnKind::AssocInherentImpl) => unreachable!(), } - - let callee_predicates = tcx.predicates_of(sig_id); - let args = create_generic_args(tcx, def_id, sig_id); - - let mut preds = vec![]; - if let Some(parent_id) = callee_predicates.parent { - preds.extend(tcx.predicates_of(parent_id).instantiate_own(tcx, args)); - } - preds.extend(callee_predicates.instantiate_own(tcx, args)); - - Some(ty::GenericPredicates { - parent: None, - predicates: tcx.arena.alloc_from_iter(preds), - effects_min_tys: ty::List::empty(), - }) } fn check_constraints<'tcx>( diff --git a/tests/ui/delegation/not-supported.rs b/tests/ui/delegation/unsupported.rs similarity index 100% rename from tests/ui/delegation/not-supported.rs rename to tests/ui/delegation/unsupported.rs diff --git a/tests/ui/delegation/not-supported.stderr b/tests/ui/delegation/unsupported.stderr similarity index 83% rename from tests/ui/delegation/not-supported.stderr rename to tests/ui/delegation/unsupported.stderr index 14d6b374bd2c..bb150254f48b 100644 --- a/tests/ui/delegation/not-supported.stderr +++ b/tests/ui/delegation/unsupported.stderr @@ -4,7 +4,7 @@ error: using `#![feature(effects)]` without enabling next trait solver globally = help: use `-Znext-solver` to enable error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:18:29 + --> $DIR/unsupported.rs:18:29 | LL | fn bar(&self, x: T) -> T { x } | ------------------------ callee defined here @@ -13,7 +13,7 @@ LL | reuse GenericTrait::bar; | ^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:20:29 + --> $DIR/unsupported.rs:20:29 | LL | fn bar1() {} | --------- callee defined here @@ -22,7 +22,7 @@ LL | reuse GenericTrait::bar1; | ^^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:31:39 + --> $DIR/unsupported.rs:31:39 | LL | fn bar(&self, x: T) -> T { x } | ------------------------ callee defined here @@ -31,7 +31,7 @@ LL | reuse >::bar { &self.0 } | ^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:33:34 + --> $DIR/unsupported.rs:33:34 | LL | fn bar1() {} | --------- callee defined here @@ -40,7 +40,7 @@ LL | reuse GenericTrait::::bar1; | ^^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:38:29 + --> $DIR/unsupported.rs:38:29 | LL | fn bar(&self, x: T) -> T { x } | ------------------------ callee defined here @@ -49,7 +49,7 @@ LL | reuse GenericTrait::bar { &F } | ^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:40:29 + --> $DIR/unsupported.rs:40:29 | LL | fn bar1() {} | --------- callee defined here @@ -58,7 +58,7 @@ LL | reuse GenericTrait::bar1; | ^^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:45:22 + --> $DIR/unsupported.rs:45:22 | LL | fn foo(&self, x: i32) -> i32 { x } | ---------------------------- callee defined here @@ -67,7 +67,7 @@ LL | reuse Trait::foo; | ^^^ error[E0049]: method `foo2` has 0 type parameters but its trait declaration has 1 type parameter - --> $DIR/not-supported.rs:51:22 + --> $DIR/unsupported.rs:51:22 | LL | fn foo2(&self, x: T) -> T { x } | - expected 1 type parameter @@ -76,7 +76,7 @@ LL | reuse Trait::foo2 { &self.0 } | ^^^^ found 0 type parameters error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:54:29 + --> $DIR/unsupported.rs:54:29 | LL | fn foo3<'a: 'a>(_: &'a u32) {} | --------------------------- callee defined here @@ -85,7 +85,7 @@ LL | reuse ::foo3; | ^^^^ error[E0195]: lifetime parameters or bounds on associated function `foo3` do not match the trait declaration - --> $DIR/not-supported.rs:54:29 + --> $DIR/unsupported.rs:54:29 | LL | fn foo3<'a: 'a>(_: &'a u32) {} | -------- lifetimes in impl do not match this associated function in trait @@ -94,7 +94,7 @@ LL | reuse ::foo3; | ^^^^ lifetimes do not match associated function in trait error: delegation to a function with effect parameter is not supported yet - --> $DIR/not-supported.rs:112:18 + --> $DIR/unsupported.rs:112:18 | LL | fn foo(); | --------- callee defined here @@ -103,7 +103,7 @@ LL | reuse Trait::foo; | ^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:61:22 + --> $DIR/unsupported.rs:61:22 | LL | fn foo(&self, x: i32) -> i32 { x } | ---------------------------- callee defined here @@ -112,7 +112,7 @@ LL | reuse Trait::foo { &self.0 } | ^^^ error: early bound generics are not supported for associated delegation items - --> $DIR/not-supported.rs:51:22 + --> $DIR/unsupported.rs:51:22 | LL | fn foo2(&self, x: T) -> T { x } | ---------------------------- callee defined here @@ -121,7 +121,7 @@ LL | reuse Trait::foo2 { &self.0 } | ^^^^ warning: this function depends on never type fallback being `()` - --> $DIR/not-supported.rs:79:9 + --> $DIR/unsupported.rs:79:9 | LL | fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -130,33 +130,33 @@ LL | fn opaque_ret() -> impl Trait { unimplemented!() } = note: for more information, see issue #123748 = help: specify the types explicitly note: in edition 2024, the requirement `!: opaque::Trait` will fail - --> $DIR/not-supported.rs:79:28 + --> $DIR/unsupported.rs:79:28 | LL | fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default -error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` - --> $DIR/not-supported.rs:86:25 +error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` + --> $DIR/unsupported.rs:86:25 | LL | reuse to_reuse::opaque_ret; | ^^^^^^^^^^ | note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process... - --> $DIR/not-supported.rs:86:25 + --> $DIR/unsupported.rs:86:25 | LL | reuse to_reuse::opaque_ret; | ^^^^^^^^^^ - = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle -note: cycle used when checking that `opaque::` is well-formed - --> $DIR/not-supported.rs:85:5 + = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle +note: cycle used when checking that `opaque::` is well-formed + --> $DIR/unsupported.rs:85:5 | LL | impl ToReuse for u8 { | ^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information warning: this function depends on never type fallback being `()` - --> $DIR/not-supported.rs:73:9 + --> $DIR/unsupported.rs:73:9 | LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -165,32 +165,32 @@ LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } = note: for more information, see issue #123748 = help: specify the types explicitly note: in edition 2024, the requirement `!: opaque::Trait` will fail - --> $DIR/not-supported.rs:73:32 + --> $DIR/unsupported.rs:73:32 | LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^ -error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` - --> $DIR/not-supported.rs:89:24 +error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` + --> $DIR/unsupported.rs:89:24 | LL | reuse ToReuse::opaque_ret; | ^^^^^^^^^^ | note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process... - --> $DIR/not-supported.rs:89:24 + --> $DIR/unsupported.rs:89:24 | LL | reuse ToReuse::opaque_ret; | ^^^^^^^^^^ - = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle -note: cycle used when checking that `opaque::` is well-formed - --> $DIR/not-supported.rs:88:5 + = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle +note: cycle used when checking that `opaque::` is well-formed + --> $DIR/unsupported.rs:88:5 | LL | impl ToReuse for u16 { | ^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error: recursive delegation is not supported yet - --> $DIR/not-supported.rs:102:22 + --> $DIR/unsupported.rs:102:22 | LL | pub reuse to_reuse2::foo; | --- callee defined here From 040239465aefc09f8c837ff9d4d66ca6297e5c5c Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Fri, 9 Aug 2024 09:52:12 +0200 Subject: [PATCH 029/149] Add an internal lint that warns when accessing untracked data --- compiler/rustc_data_structures/src/steal.rs | 1 + compiler/rustc_feature/src/builtin_attrs.rs | 6 +++ compiler/rustc_lint/messages.ftl | 3 ++ compiler/rustc_lint/src/internal.rs | 24 +++++++++-- compiler/rustc_lint/src/lib.rs | 1 + compiler/rustc_lint/src/lints.rs | 7 ++++ compiler/rustc_passes/src/check_attr.rs | 40 ++++--------------- compiler/rustc_span/src/symbol.rs | 1 + .../crates/hir-expand/src/inert_attr_macro.rs | 3 ++ .../internal-lints/query_completeness.rs | 16 ++++++++ .../internal-lints/query_completeness.stderr | 15 +++++++ 11 files changed, 82 insertions(+), 35 deletions(-) create mode 100644 tests/ui-fulldeps/internal-lints/query_completeness.rs create mode 100644 tests/ui-fulldeps/internal-lints/query_completeness.stderr diff --git a/compiler/rustc_data_structures/src/steal.rs b/compiler/rustc_data_structures/src/steal.rs index 0f2c0eee27d2..aaa95f6b7f19 100644 --- a/compiler/rustc_data_structures/src/steal.rs +++ b/compiler/rustc_data_structures/src/steal.rs @@ -57,6 +57,7 @@ impl Steal { /// /// This should not be used within rustc as it leaks information not tracked /// by the query system, breaking incremental compilation. + #[cfg_attr(not(bootstrap), rustc_lint_untracked_query_information)] pub fn is_stolen(&self) -> bool { self.value.borrow().is_none() } diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index e2491922b8df..e86421f2150d 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -793,6 +793,12 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_lint_query_instability, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes, INTERNAL_UNSTABLE ), + // Used by the `rustc::untracked_query_information` lint to warn methods which + // might not be stable during incremental compilation. + rustc_attr!( + rustc_lint_untracked_query_information, Normal, template!(Word), + WarnFollowing, EncodeCrossCrate::Yes, INTERNAL_UNSTABLE + ), // Used by the `rustc::diagnostic_outside_of_impl` lints to assist in changes to diagnostic // APIs. Any function with this attribute will be checked by that lint. rustc_attr!( diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 353345958337..759320b9eb65 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -699,6 +699,9 @@ lint_ptr_null_checks_ref = references are not nullable, so checking them for nul lint_query_instability = using `{$query}` can result in unstable query results .note = if you believe this case to be fine, allow this lint and add a comment explaining your rationale +lint_query_untracked = `{$method}` accesses information that is not tracked by the query system + .note = if you believe this case to be fine, allow this lint and add a comment explaining your rationale + lint_range_endpoint_out_of_range = range endpoint is out of range for `{$ty}` lint_range_use_inclusive_range = use an inclusive range instead diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 2e8116b8ba89..9d637c1eb7f8 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -17,8 +17,8 @@ use tracing::debug; use crate::lints::{ BadOptAccessDiag, DefaultHashTypesDiag, DiagOutOfImpl, LintPassByHand, NonExistentDocKeyword, - NonGlobImportTypeIrInherent, QueryInstability, SpanUseEqCtxtDiag, TyQualified, TykindDiag, - TykindKind, TypeIrInherentUsage, UntranslatableDiag, + NonGlobImportTypeIrInherent, QueryInstability, QueryUntracked, SpanUseEqCtxtDiag, TyQualified, + TykindDiag, TykindKind, TypeIrInherentUsage, UntranslatableDiag, }; use crate::{EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext}; @@ -88,7 +88,18 @@ declare_tool_lint! { report_in_external_macro: true } -declare_lint_pass!(QueryStability => [POTENTIAL_QUERY_INSTABILITY]); +declare_tool_lint! { + /// The `untracked_query_information` lint detects use of methods which leak information not + /// tracked by the query system, such as whether a `Steal` value has already been stolen. In + /// order not to break incremental compilation, such methods must be used very carefully or not + /// at all. + pub rustc::UNTRACKED_QUERY_INFORMATION, + Allow, + "require explicit opt-in when accessing information not tracked by the query system", + report_in_external_macro: true +} + +declare_lint_pass!(QueryStability => [POTENTIAL_QUERY_INSTABILITY, UNTRACKED_QUERY_INFORMATION]); impl LateLintPass<'_> for QueryStability { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { @@ -102,6 +113,13 @@ impl LateLintPass<'_> for QueryStability { QueryInstability { query: cx.tcx.item_name(def_id) }, ); } + if cx.tcx.has_attr(def_id, sym::rustc_lint_untracked_query_information) { + cx.emit_span_lint( + UNTRACKED_QUERY_INFORMATION, + span, + QueryUntracked { method: cx.tcx.item_name(def_id) }, + ); + } } } } diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index c5a5c5b30afe..105a90de0340 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -609,6 +609,7 @@ fn register_internals(store: &mut LintStore) { vec![ LintId::of(DEFAULT_HASH_TYPES), LintId::of(POTENTIAL_QUERY_INSTABILITY), + LintId::of(UNTRACKED_QUERY_INFORMATION), LintId::of(USAGE_OF_TY_TYKIND), LintId::of(PASS_BY_VALUE), LintId::of(LINT_PASS_IMPL_WITHOUT_MACRO), diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 7ca282b7c854..9050f36acba7 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -894,6 +894,13 @@ pub(crate) struct QueryInstability { pub query: Symbol, } +#[derive(LintDiagnostic)] +#[diag(lint_query_untracked)] +#[note] +pub(crate) struct QueryUntracked { + pub method: Symbol, +} + #[derive(LintDiagnostic)] #[diag(lint_span_use_eq_ctxt)] pub(crate) struct SpanUseEqCtxtDiag; diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 21478a44b0e1..e41f89a3c9da 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -125,7 +125,9 @@ impl<'tcx> CheckAttrVisitor<'tcx> { [sym::inline, ..] => self.check_inline(hir_id, attr, span, target), [sym::coverage, ..] => self.check_coverage(attr, span, target), [sym::optimize, ..] => self.check_optimize(hir_id, attr, target), - [sym::no_sanitize, ..] => self.check_no_sanitize(hir_id, attr, span, target), + [sym::no_sanitize, ..] => { + self.check_applied_to_fn_or_method(hir_id, attr, span, target) + } [sym::non_exhaustive, ..] => self.check_non_exhaustive(hir_id, attr, span, target), [sym::marker, ..] => self.check_marker(hir_id, attr, span, target), [sym::target_feature, ..] => { @@ -166,10 +168,13 @@ impl<'tcx> CheckAttrVisitor<'tcx> { self.check_rustc_legacy_const_generics(hir_id, attr, span, target, item) } [sym::rustc_lint_query_instability, ..] => { - self.check_rustc_lint_query_instability(hir_id, attr, span, target) + self.check_applied_to_fn_or_method(hir_id, attr, span, target) + } + [sym::rustc_lint_untracked_query_information, ..] => { + self.check_applied_to_fn_or_method(hir_id, attr, span, target) } [sym::rustc_lint_diagnostics, ..] => { - self.check_rustc_lint_diagnostics(hir_id, attr, span, target) + self.check_applied_to_fn_or_method(hir_id, attr, span, target) } [sym::rustc_lint_opt_ty, ..] => self.check_rustc_lint_opt_ty(attr, span, target), [sym::rustc_lint_opt_deny_field_access, ..] => { @@ -452,11 +457,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { } } - /// Checks that `#[no_sanitize(..)]` is applied to a function or method. - fn check_no_sanitize(&self, hir_id: HirId, attr: &Attribute, span: Span, target: Target) { - self.check_applied_to_fn_or_method(hir_id, attr, span, target) - } - fn check_generic_attr( &self, hir_id: HirId, @@ -1635,30 +1635,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { } } - /// Checks that the `#[rustc_lint_query_instability]` attribute is only applied to a function - /// or method. - fn check_rustc_lint_query_instability( - &self, - hir_id: HirId, - attr: &Attribute, - span: Span, - target: Target, - ) { - self.check_applied_to_fn_or_method(hir_id, attr, span, target) - } - - /// Checks that the `#[rustc_lint_diagnostics]` attribute is only applied to a function or - /// method. - fn check_rustc_lint_diagnostics( - &self, - hir_id: HirId, - attr: &Attribute, - span: Span, - target: Target, - ) { - self.check_applied_to_fn_or_method(hir_id, attr, span, target) - } - /// Checks that the `#[rustc_lint_opt_ty]` attribute is only applied to a struct. fn check_rustc_lint_opt_ty(&self, attr: &Attribute, span: Span, target: Target) { match target { diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 347652096058..cc63769d51df 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1653,6 +1653,7 @@ symbols! { rustc_lint_opt_deny_field_access, rustc_lint_opt_ty, rustc_lint_query_instability, + rustc_lint_untracked_query_information, rustc_macro_transparency, rustc_main, rustc_mir, diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/inert_attr_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/inert_attr_macro.rs index ee15b1b5ce9d..5c25a55362e6 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/inert_attr_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/inert_attr_macro.rs @@ -464,6 +464,9 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[ // Used by the `rustc::potential_query_instability` lint to warn methods which // might not be stable during incremental compilation. rustc_attr!(rustc_lint_query_instability, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE), + // Used by the `rustc::untracked_query_information` lint to warn methods which + // might break incremental compilation. + rustc_attr!(rustc_lint_untracked_query_information, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE), // Used by the `rustc::untranslatable_diagnostic` and `rustc::diagnostic_outside_of_impl` lints // to assist in changes to diagnostic APIs. rustc_attr!(rustc_lint_diagnostics, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE), diff --git a/tests/ui-fulldeps/internal-lints/query_completeness.rs b/tests/ui-fulldeps/internal-lints/query_completeness.rs new file mode 100644 index 000000000000..50b0fb4c3fc0 --- /dev/null +++ b/tests/ui-fulldeps/internal-lints/query_completeness.rs @@ -0,0 +1,16 @@ +//@ compile-flags: -Z unstable-options +// #[cfg(bootstrap)]: We can stop ignoring next beta bump; afterward this ALWAYS should run. +//@ ignore-stage1 (requires matching sysroot built with in-tree compiler) +#![feature(rustc_private)] +#![deny(rustc::untracked_query_information)] + +extern crate rustc_data_structures; + +use rustc_data_structures::steal::Steal; + +fn use_steal(x: Steal<()>) { + let _ = x.is_stolen(); + //~^ ERROR `is_stolen` accesses information that is not tracked by the query system +} + +fn main() {} diff --git a/tests/ui-fulldeps/internal-lints/query_completeness.stderr b/tests/ui-fulldeps/internal-lints/query_completeness.stderr new file mode 100644 index 000000000000..35bb867f40e8 --- /dev/null +++ b/tests/ui-fulldeps/internal-lints/query_completeness.stderr @@ -0,0 +1,15 @@ +error: `is_stolen` accesses information that is not tracked by the query system + --> $DIR/query_completeness.rs:12:15 + | +LL | let _ = x.is_stolen(); + | ^^^^^^^^^ + | + = note: if you believe this case to be fine, allow this lint and add a comment explaining your rationale +note: the lint level is defined here + --> $DIR/query_completeness.rs:5:9 + | +LL | #![deny(rustc::untracked_query_information)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + From b5d07fd3567f5ca42b677ffd9cf4756c5dbf12ba Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Tue, 3 Sep 2024 21:03:46 +0300 Subject: [PATCH 030/149] copy rustc rustlib artifacts from ci-rustc We recently had an issue because some rustlib files were missing (like: "error[E0463]: can't find crate for rustc_ast") when building tools that rely on rustc. This patch fixes that by copying those files as required. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/compile.rs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index eef548033f1c..71e217bbbfc4 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -931,7 +931,12 @@ impl Step for Rustc { // NOTE: the ABI of the beta compiler is different from the ABI of the downloaded compiler, // so its artifacts can't be reused. if builder.download_rustc() && compiler.stage != 0 { - builder.ensure(Sysroot { compiler, force_recompile: false }); + let sysroot = builder.ensure(Sysroot { compiler, force_recompile: false }); + cp_rustc_component_to_ci_sysroot( + builder, + &sysroot, + builder.config.ci_rustc_dev_contents(), + ); return compiler.stage; } From e98e88bfdf810d74540fcc0a464608683a7eacc7 Mon Sep 17 00:00:00 2001 From: liushuyu Date: Tue, 3 Sep 2024 12:42:57 -0600 Subject: [PATCH 031/149] rustc_codegen_llvm: fix a regression where backchain feature ... ... can not be correctly gated using #[cfg] macro --- compiler/rustc_codegen_llvm/src/llvm_util.rs | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 618602ed70f4..d55220ba5c3a 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -353,9 +353,7 @@ pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec { None } }) - .filter(|feature| { - RUSTC_SPECIAL_FEATURES.contains(feature) || features.contains(&Symbol::intern(feature)) - }) + .filter(|feature| features.contains(&Symbol::intern(feature))) .map(|feature| Symbol::intern(feature)) .collect() } From 98f74b4d047006aaa475b0252b61f0ca772372fb Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 3 Sep 2024 21:50:08 +0200 Subject: [PATCH 032/149] explain why Rvalue::Len still exists --- compiler/rustc_middle/src/mir/syntax.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index 748ca047754a..22a4b688c517 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -1307,6 +1307,9 @@ pub enum Rvalue<'tcx> { /// If the type of the place is an array, this is the array length. For slices (`[T]`, not /// `&[T]`) this accesses the place's metadata to determine the length. This rvalue is /// ill-formed for places of other types. + /// + /// This cannot be a `UnOp(PtrMetadata, _)` because that expects a value, and we only + /// have a place, and `UnOp(PtrMetadata, RawPtr(place))` is not a thing. Len(Place<'tcx>), /// Performs essentially all of the casts that can be performed via `as`. From 3dca90946f612f73b64f6c17ecb82a520a1d8da1 Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 2 Sep 2024 17:48:42 +0100 Subject: [PATCH 033/149] replace placeholder version --- compiler/rustc_feature/src/accepted.rs | 16 ++++++++-------- compiler/rustc_feature/src/removed.rs | 2 +- compiler/rustc_feature/src/unstable.rs | 14 +++++++------- library/alloc/src/boxed.rs | 8 ++++---- library/alloc/src/collections/binary_heap/mod.rs | 2 +- library/alloc/src/collections/btree/map.rs | 4 ++-- library/alloc/src/collections/vec_deque/iter.rs | 2 +- .../alloc/src/collections/vec_deque/iter_mut.rs | 2 +- library/alloc/src/rc.rs | 8 ++++---- library/alloc/src/sync.rs | 8 ++++---- library/core/src/future/ready.rs | 2 +- library/core/src/iter/adapters/take.rs | 6 +++--- library/core/src/iter/mod.rs | 2 +- library/core/src/iter/sources.rs | 2 +- library/core/src/iter/sources/repeat_n.rs | 16 ++++++++-------- library/core/src/iter/traits/iterator.rs | 6 +++--- library/core/src/num/error.rs | 2 +- library/core/src/num/mod.rs | 6 +++--- library/core/src/option.rs | 2 +- library/core/src/slice/mod.rs | 6 +++--- library/core/src/str/iter.rs | 2 +- library/core/src/task/wake.rs | 10 +++++----- library/std/src/thread/mod.rs | 2 +- 23 files changed, 65 insertions(+), 65 deletions(-) diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs index 9223c3c322a5..8949fdffdaec 100644 --- a/compiler/rustc_feature/src/accepted.rs +++ b/compiler/rustc_feature/src/accepted.rs @@ -61,7 +61,7 @@ declare_features! ( /// Allows explicit discriminants on non-unit enum variants. (accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553)), /// Allows using `const` operands in inline assembly. - (accepted, asm_const, "CURRENT_RUSTC_VERSION", Some(93332)), + (accepted, asm_const, "1.82.0", Some(93332)), /// Allows using `sym` operands in inline assembly. (accepted, asm_sym, "1.66.0", Some(93333)), /// Allows the definition of associated constants in `trait` or `impl` blocks. @@ -116,7 +116,7 @@ declare_features! ( /// Allows calling constructor functions in `const fn`. (accepted, const_constructor, "1.40.0", Some(61456)), /// Allows basic arithmetic on floating point types in a `const fn`. - (accepted, const_fn_floating_point_arithmetic, "CURRENT_RUSTC_VERSION", Some(57241)), + (accepted, const_fn_floating_point_arithmetic, "1.82.0", Some(57241)), /// Allows using and casting function pointers in a `const fn`. (accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563)), /// Allows trait bounds in `const fn`. @@ -272,7 +272,7 @@ declare_features! ( /// Allows calling `const unsafe fn` inside `unsafe` blocks in `const fn` functions. (accepted, min_const_unsafe_fn, "1.33.0", Some(55607)), /// Allows exhaustive pattern matching on uninhabited types when matched by value. - (accepted, min_exhaustive_patterns, "CURRENT_RUSTC_VERSION", Some(119612)), + (accepted, min_exhaustive_patterns, "1.82.0", Some(119612)), /// Allows using `Self` and associated types in struct expressions and patterns. (accepted, more_struct_aliases, "1.16.0", Some(37544)), /// Allows using the MOVBE target feature. @@ -299,7 +299,7 @@ declare_features! ( /// Allows `foo.rs` as an alternative to `foo/mod.rs`. (accepted, non_modrs_mods, "1.30.0", Some(44660)), /// Allows using multiple nested field accesses in offset_of! - (accepted, offset_of_nested, "CURRENT_RUSTC_VERSION", Some(120140)), + (accepted, offset_of_nested, "1.82.0", Some(120140)), /// Allows the use of or-patterns (e.g., `0 | 1`). (accepted, or_patterns, "1.53.0", Some(54883)), /// Allows using `+bundle,+whole-archive` link modifiers with native libs. @@ -312,7 +312,7 @@ declare_features! ( /// Allows parentheses in patterns. (accepted, pattern_parentheses, "1.31.0", Some(51087)), /// Allows `use<'a, 'b, A, B>` in `impl Trait + use<...>` for precise capture of generic args. - (accepted, precise_capturing, "CURRENT_RUSTC_VERSION", Some(123432)), + (accepted, precise_capturing, "1.82.0", Some(123432)), /// Allows procedural macros in `proc-macro` crates. (accepted, proc_macro, "1.29.0", Some(38356)), /// Allows multi-segment paths in attributes and derives. @@ -326,7 +326,7 @@ declare_features! ( /// Allows keywords to be escaped for use as identifiers. (accepted, raw_identifiers, "1.30.0", Some(48589)), /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions. - (accepted, raw_ref_op, "CURRENT_RUSTC_VERSION", Some(64490)), + (accepted, raw_ref_op, "1.82.0", Some(64490)), /// Allows relaxing the coherence rules such that /// `impl ForeignTrait for ForeignType` is permitted. (accepted, re_rebalance_coherence, "1.41.0", Some(55437)), @@ -399,11 +399,11 @@ declare_features! ( /// Allows arbitrary delimited token streams in non-macro attributes. (accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208)), /// Allows unsafe attributes. - (accepted, unsafe_attributes, "CURRENT_RUSTC_VERSION", Some(123757)), + (accepted, unsafe_attributes, "1.82.0", Some(123757)), /// The `unsafe_op_in_unsafe_fn` lint (allowed by default): no longer treat an unsafe function as an unsafe block. (accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668)), /// Allows unsafe on extern declarations and safety qualifiers over internal items. - (accepted, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), + (accepted, unsafe_extern_blocks, "1.82.0", Some(123743)), /// Allows importing and reexporting macros with `use`, /// enables macro modularization in general. (accepted, use_extern_macros, "1.30.0", Some(35896)), diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index b7f0ed5afce9..3d7d877ba17e 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -83,7 +83,7 @@ declare_features! ( (removed, custom_derive, "1.32.0", Some(29644), Some("subsumed by `#[proc_macro_derive]`")), /// Allows default type parameters to influence type inference. - (removed, default_type_parameter_fallback, "CURRENT_RUSTC_VERSION", Some(27336), + (removed, default_type_parameter_fallback, "1.82.0", Some(27336), Some("never properly implemented; requires significant design work")), /// Allows using `#[doc(keyword = "...")]`. (removed, doc_keyword, "1.28.0", Some(51315), diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index cd6adbda039b..5ca33cede302 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -208,7 +208,7 @@ declare_features! ( /// Allows `#[link(..., cfg(..))]`; perma-unstable per #37406 (unstable, link_cfg, "1.14.0", None), /// Allows using `?Trait` trait bounds in more contexts. - (internal, more_maybe_bounds, "CURRENT_RUSTC_VERSION", None), + (internal, more_maybe_bounds, "1.82.0", None), /// Allows the `multiple_supertrait_upcastable` lint. (unstable, multiple_supertrait_upcastable, "1.69.0", None), /// Allow negative trait bounds. This is an internal-only feature for testing the trait solver! @@ -302,7 +302,7 @@ declare_features! ( // FIXME: Document these and merge with the list below. // Unstable `#[target_feature]` directives. - (unstable, aarch64_unstable_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)), + (unstable, aarch64_unstable_target_feature, "1.82.0", Some(44839)), (unstable, aarch64_ver_target_feature, "1.27.0", Some(44839)), (unstable, arm_target_feature, "1.27.0", Some(44839)), (unstable, avx512_target_feature, "1.27.0", Some(44839)), @@ -317,7 +317,7 @@ declare_features! ( (unstable, prfchw_target_feature, "1.78.0", Some(44839)), (unstable, riscv_target_feature, "1.45.0", Some(44839)), (unstable, rtm_target_feature, "1.35.0", Some(44839)), - (unstable, s390x_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)), + (unstable, s390x_target_feature, "1.82.0", Some(44839)), (unstable, sse4a_target_feature, "1.27.0", Some(44839)), (unstable, tbm_target_feature, "1.27.0", Some(44839)), (unstable, wasm_target_feature, "1.30.0", Some(44839)), @@ -472,7 +472,7 @@ declare_features! ( /// Allows the use of `#[ffi_pure]` on foreign functions. (unstable, ffi_pure, "1.45.0", Some(58329)), /// Controlling the behavior of fmt::Debug - (unstable, fmt_debug, "CURRENT_RUSTC_VERSION", Some(129709)), + (unstable, fmt_debug, "1.82.0", Some(129709)), /// Allows using `#[repr(align(...))]` on function items (unstable, fn_align, "1.53.0", Some(82232)), /// Support delegating implementation of functions to other already implemented functions. @@ -584,8 +584,8 @@ declare_features! ( /// Allows `extern "rust-cold"`. (unstable, rust_cold_cc, "1.63.0", Some(97544)), /// Allows use of x86 SHA512, SM3 and SM4 target-features and intrinsics - (unstable, sha512_sm_x86, "CURRENT_RUSTC_VERSION", Some(126624)), - /// Shorten the tail expression lifetime + (unstable, sha512_sm_x86, "1.82.0", Some(126624)), + /// Shortern the tail expression lifetime (unstable, shorter_tail_lifetimes, "1.79.0", Some(123739)), /// Allows the use of SIMD types in functions declared in `extern` blocks. (unstable, simd_ffi, "1.0.0", Some(27731)), @@ -623,7 +623,7 @@ declare_features! ( (incomplete, unnamed_fields, "1.74.0", Some(49804)), /// Allows const generic parameters to be defined with types that /// are not `Sized`, e.g. `fn foo() {`. - (incomplete, unsized_const_params, "CURRENT_RUSTC_VERSION", Some(95174)), + (incomplete, unsized_const_params, "1.82.0", Some(95174)), /// Allows unsized fn parameters. (internal, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index a924feaf15f2..6dc75478700c 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -272,7 +272,7 @@ impl Box { /// assert_eq!(*five, 5) /// ``` #[cfg(not(no_global_oom_handling))] - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use] #[inline] pub fn new_uninit() -> Box> { @@ -663,7 +663,7 @@ impl Box<[T]> { /// assert_eq!(*values, [1, 2, 3]) /// ``` #[cfg(not(no_global_oom_handling))] - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use] pub fn new_uninit_slice(len: usize) -> Box<[mem::MaybeUninit]> { unsafe { RawVec::with_capacity(len).into_box(len) } @@ -930,7 +930,7 @@ impl Box, A> { /// /// assert_eq!(*five, 5) /// ``` - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[inline] pub unsafe fn assume_init(self) -> Box { let (raw, alloc) = Box::into_raw_with_allocator(self); @@ -1003,7 +1003,7 @@ impl Box<[mem::MaybeUninit], A> { /// /// assert_eq!(*values, [1, 2, 3]) /// ``` - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[inline] pub unsafe fn assume_init(self) -> Box<[T], A> { let (raw, alloc) = Box::into_raw_with_allocator(self); diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index 88701370c105..fe9f1010d327 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -1433,7 +1433,7 @@ pub struct Iter<'a, T: 'a> { iter: slice::Iter<'a, T>, } -#[stable(feature = "default_iters_sequel", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters_sequel", since = "1.82.0")] impl Default for Iter<'_, T> { /// Creates an empty `binary_heap::Iter`. /// diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index c7908578522a..60e08b47e3d3 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -2016,7 +2016,7 @@ impl Default for Range<'_, K, V> { } } -#[stable(feature = "default_iters_sequel", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters_sequel", since = "1.82.0")] impl Default for RangeMut<'_, K, V> { /// Creates an empty `btree_map::RangeMut`. /// @@ -2064,7 +2064,7 @@ impl ExactSizeIterator for ValuesMut<'_, K, V> { #[stable(feature = "fused", since = "1.26.0")] impl FusedIterator for ValuesMut<'_, K, V> {} -#[stable(feature = "default_iters_sequel", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters_sequel", since = "1.82.0")] impl Default for ValuesMut<'_, K, V> { /// Creates an empty `btree_map::ValuesMut`. /// diff --git a/library/alloc/src/collections/vec_deque/iter.rs b/library/alloc/src/collections/vec_deque/iter.rs index 67b5b91c4d4b..bf4dd66f4763 100644 --- a/library/alloc/src/collections/vec_deque/iter.rs +++ b/library/alloc/src/collections/vec_deque/iter.rs @@ -28,7 +28,7 @@ impl fmt::Debug for Iter<'_, T> { } } -#[stable(feature = "default_iters_sequel", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters_sequel", since = "1.82.0")] impl Default for Iter<'_, T> { /// Creates an empty `vec_deque::Iter`. /// diff --git a/library/alloc/src/collections/vec_deque/iter_mut.rs b/library/alloc/src/collections/vec_deque/iter_mut.rs index 2726e3e42529..7a349a1b4edd 100644 --- a/library/alloc/src/collections/vec_deque/iter_mut.rs +++ b/library/alloc/src/collections/vec_deque/iter_mut.rs @@ -28,7 +28,7 @@ impl fmt::Debug for IterMut<'_, T> { } } -#[stable(feature = "default_iters_sequel", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters_sequel", since = "1.82.0")] impl Default for IterMut<'_, T> { /// Creates an empty `vec_deque::IterMut`. /// diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 1b31a78394ec..88c7a12db23c 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -517,7 +517,7 @@ impl Rc { /// assert_eq!(*five, 5) /// ``` #[cfg(not(no_global_oom_handling))] - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use] pub fn new_uninit() -> Rc> { unsafe { @@ -980,7 +980,7 @@ impl Rc<[T]> { /// assert_eq!(*values, [1, 2, 3]) /// ``` #[cfg(not(no_global_oom_handling))] - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use] pub fn new_uninit_slice(len: usize) -> Rc<[mem::MaybeUninit]> { unsafe { Rc::from_ptr(Rc::allocate_for_slice(len)) } @@ -1127,7 +1127,7 @@ impl Rc, A> { /// /// assert_eq!(*five, 5) /// ``` - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[inline] pub unsafe fn assume_init(self) -> Rc { let (ptr, alloc) = Rc::into_inner_with_allocator(self); @@ -1167,7 +1167,7 @@ impl Rc<[mem::MaybeUninit], A> { /// /// assert_eq!(*values, [1, 2, 3]) /// ``` - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[inline] pub unsafe fn assume_init(self) -> Rc<[T], A> { let (ptr, alloc) = Rc::into_inner_with_allocator(self); diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 024a794f17b0..43684f31cb72 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -520,7 +520,7 @@ impl Arc { /// ``` #[cfg(not(no_global_oom_handling))] #[inline] - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use] pub fn new_uninit() -> Arc> { unsafe { @@ -1115,7 +1115,7 @@ impl Arc<[T]> { /// ``` #[cfg(not(no_global_oom_handling))] #[inline] - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use] pub fn new_uninit_slice(len: usize) -> Arc<[mem::MaybeUninit]> { unsafe { Arc::from_ptr(Arc::allocate_for_slice(len)) } @@ -1262,7 +1262,7 @@ impl Arc, A> { /// /// assert_eq!(*five, 5) /// ``` - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use = "`self` will be dropped if the result is not used"] #[inline] pub unsafe fn assume_init(self) -> Arc { @@ -1303,7 +1303,7 @@ impl Arc<[mem::MaybeUninit], A> { /// /// assert_eq!(*values, [1, 2, 3]) /// ``` - #[stable(feature = "new_uninit", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "new_uninit", since = "1.82.0")] #[must_use = "`self` will be dropped if the result is not used"] #[inline] pub unsafe fn assume_init(self) -> Arc<[T], A> { diff --git a/library/core/src/future/ready.rs b/library/core/src/future/ready.rs index 6f6da8ce51dd..b562ad4d8860 100644 --- a/library/core/src/future/ready.rs +++ b/library/core/src/future/ready.rs @@ -39,7 +39,7 @@ impl Ready { /// let a = future::ready(1); /// assert_eq!(a.into_inner(), 1); /// ``` - #[stable(feature = "ready_into_inner", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ready_into_inner", since = "1.82.0")] #[must_use] #[inline] pub fn into_inner(self) -> T { diff --git a/library/core/src/iter/adapters/take.rs b/library/core/src/iter/adapters/take.rs index 4c8f9fe16da0..b96335f41525 100644 --- a/library/core/src/iter/adapters/take.rs +++ b/library/core/src/iter/adapters/take.rs @@ -318,7 +318,7 @@ impl SpecTake for Take { } } -#[stable(feature = "exact_size_take_repeat", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "exact_size_take_repeat", since = "1.82.0")] impl DoubleEndedIterator for Take> { #[inline] fn next_back(&mut self) -> Option { @@ -361,14 +361,14 @@ impl DoubleEndedIterator for Take> { // because we have no way to return value of nth invocation of repeater followed // by n-1st without remembering all results. -#[stable(feature = "exact_size_take_repeat", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "exact_size_take_repeat", since = "1.82.0")] impl ExactSizeIterator for Take> { fn len(&self) -> usize { self.n } } -#[stable(feature = "exact_size_take_repeat", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "exact_size_take_repeat", since = "1.82.0")] impl A, A> ExactSizeIterator for Take> { fn len(&self) -> usize { self.n diff --git a/library/core/src/iter/mod.rs b/library/core/src/iter/mod.rs index 5dad9e1a75ed..387963d0afd0 100644 --- a/library/core/src/iter/mod.rs +++ b/library/core/src/iter/mod.rs @@ -436,7 +436,7 @@ pub use self::sources::{once, Once}; pub use self::sources::{once_with, OnceWith}; #[stable(feature = "rust1", since = "1.0.0")] pub use self::sources::{repeat, Repeat}; -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] pub use self::sources::{repeat_n, RepeatN}; #[stable(feature = "iterator_repeat_with", since = "1.28.0")] pub use self::sources::{repeat_with, RepeatWith}; diff --git a/library/core/src/iter/sources.rs b/library/core/src/iter/sources.rs index 55901e1e50b4..2c726fbca876 100644 --- a/library/core/src/iter/sources.rs +++ b/library/core/src/iter/sources.rs @@ -24,7 +24,7 @@ pub use self::once::{once, Once}; pub use self::once_with::{once_with, OnceWith}; #[stable(feature = "rust1", since = "1.0.0")] pub use self::repeat::{repeat, Repeat}; -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] pub use self::repeat_n::{repeat_n, RepeatN}; #[stable(feature = "iterator_repeat_with", since = "1.28.0")] pub use self::repeat_with::{repeat_with, RepeatWith}; diff --git a/library/core/src/iter/sources/repeat_n.rs b/library/core/src/iter/sources/repeat_n.rs index 2e247a34075c..9c0621933638 100644 --- a/library/core/src/iter/sources/repeat_n.rs +++ b/library/core/src/iter/sources/repeat_n.rs @@ -56,7 +56,7 @@ use crate::num::NonZero; /// assert_eq!(None, it.next()); /// ``` #[inline] -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] pub fn repeat_n(element: T, count: usize) -> RepeatN { let mut element = ManuallyDrop::new(element); @@ -75,7 +75,7 @@ pub fn repeat_n(element: T, count: usize) -> RepeatN { /// This `struct` is created by the [`repeat_n()`] function. /// See its documentation for more. #[derive(Clone, Debug)] -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] pub struct RepeatN { count: usize, // Invariant: has been dropped iff count == 0. @@ -99,14 +99,14 @@ impl RepeatN { } } -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] impl Drop for RepeatN { fn drop(&mut self) { self.take_element(); } } -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] impl Iterator for RepeatN { type Item = A; @@ -154,14 +154,14 @@ impl Iterator for RepeatN { } } -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] impl ExactSizeIterator for RepeatN { fn len(&self) -> usize { self.count } } -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] impl DoubleEndedIterator for RepeatN { #[inline] fn next_back(&mut self) -> Option { @@ -179,12 +179,12 @@ impl DoubleEndedIterator for RepeatN { } } -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] impl FusedIterator for RepeatN {} #[unstable(feature = "trusted_len", issue = "37572")] unsafe impl TrustedLen for RepeatN {} -#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "iter_repeat_n", since = "1.82.0")] impl UncheckedIterator for RepeatN { #[inline] unsafe fn next_unchecked(&mut self) -> Self::Item { diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index 50a2d952e5b3..8352486ad416 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -3953,7 +3953,7 @@ pub trait Iterator { /// assert!(![0.0, 1.0, f32::NAN].iter().is_sorted()); /// ``` #[inline] - #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_sorted", since = "1.82.0")] #[rustc_do_not_const_check] fn is_sorted(self) -> bool where @@ -3980,7 +3980,7 @@ pub trait Iterator { /// assert!(std::iter::empty::().is_sorted_by(|a, b| false)); /// assert!(std::iter::empty::().is_sorted_by(|a, b| true)); /// ``` - #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_sorted", since = "1.82.0")] #[rustc_do_not_const_check] fn is_sorted_by(mut self, compare: F) -> bool where @@ -4025,7 +4025,7 @@ pub trait Iterator { /// assert!(![-2i32, -1, 0, 3].iter().is_sorted_by_key(|n| n.abs())); /// ``` #[inline] - #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_sorted", since = "1.82.0")] #[rustc_do_not_const_check] fn is_sorted_by_key(self, f: F) -> bool where diff --git a/library/core/src/num/error.rs b/library/core/src/num/error.rs index b8e22a8aef95..6ef2fdd14c14 100644 --- a/library/core/src/num/error.rs +++ b/library/core/src/num/error.rs @@ -113,7 +113,7 @@ pub enum IntErrorKind { impl ParseIntError { /// Outputs the detailed cause of parsing an integer failing. #[must_use] - #[rustc_const_stable(feature = "const_int_from_str", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_int_from_str", since = "1.82.0")] #[stable(feature = "int_error_matching", since = "1.55.0")] pub const fn kind(&self) -> &IntErrorKind { &self.kind diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs index e9e5324666ad..37c9db7f474b 100644 --- a/library/core/src/num/mod.rs +++ b/library/core/src/num/mod.rs @@ -1385,7 +1385,7 @@ from_str_radix_int_impl! { isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128 } #[doc(hidden)] #[inline(always)] #[unstable(issue = "none", feature = "std_internals")] -#[rustc_const_stable(feature = "const_int_from_str", since = "CURRENT_RUSTC_VERSION")] +#[rustc_const_stable(feature = "const_int_from_str", since = "1.82.0")] pub const fn can_not_overflow(radix: u32, is_signed_ty: bool, digits: &[u8]) -> bool { radix <= 16 && digits.len() <= mem::size_of::() * 2 - is_signed_ty as usize } @@ -1435,7 +1435,7 @@ macro_rules! from_str_radix { #[doc = concat!("assert_eq!(", stringify!($int_ty), "::from_str_radix(\"A\", 16), Ok(10));")] /// ``` #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_int_from_str", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_int_from_str", since = "1.82.0")] pub const fn from_str_radix(src: &str, radix: u32) -> Result<$int_ty, ParseIntError> { use self::IntErrorKind::*; use self::ParseIntError as PIE; @@ -1565,7 +1565,7 @@ macro_rules! from_str_radix_size_impl { #[doc = concat!("assert_eq!(", stringify!($size), "::from_str_radix(\"A\", 16), Ok(10));")] /// ``` #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_int_from_str", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_int_from_str", since = "1.82.0")] pub const fn from_str_radix(src: &str, radix: u32) -> Result<$size, ParseIntError> { match <$t>::from_str_radix(src, radix) { Ok(x) => Ok(x as $size), diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 50cb22b7eb3f..212e4f021546 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -667,7 +667,7 @@ impl Option { /// ``` #[must_use] #[inline] - #[stable(feature = "is_none_or", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_none_or", since = "1.82.0")] pub fn is_none_or(self, f: impl FnOnce(T) -> bool) -> bool { match self { None => true, diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index c7918499d4ab..166189f4b6cf 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -4088,7 +4088,7 @@ impl [T] { /// assert!(![0.0, 1.0, f32::NAN].is_sorted()); /// ``` #[inline] - #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_sorted", since = "1.82.0")] #[must_use] pub fn is_sorted(&self) -> bool where @@ -4115,7 +4115,7 @@ impl [T] { /// assert!(empty.is_sorted_by(|a, b| false)); /// assert!(empty.is_sorted_by(|a, b| true)); /// ``` - #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_sorted", since = "1.82.0")] #[must_use] pub fn is_sorted_by<'a, F>(&'a self, mut compare: F) -> bool where @@ -4139,7 +4139,7 @@ impl [T] { /// assert!(![-2i32, -1, 0, 3].is_sorted_by_key(|n| n.abs())); /// ``` #[inline] - #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_sorted", since = "1.82.0")] #[must_use] pub fn is_sorted_by_key<'a, F, K>(&'a self, f: F) -> bool where diff --git a/library/core/src/str/iter.rs b/library/core/src/str/iter.rs index 681ec79c0b7b..d9301a8a66ea 100644 --- a/library/core/src/str/iter.rs +++ b/library/core/src/str/iter.rs @@ -269,7 +269,7 @@ impl<'a> CharIndices<'a> { /// ``` #[inline] #[must_use] - #[stable(feature = "char_indices_offset", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "char_indices_offset", since = "1.82.0")] pub fn offset(&self) -> usize { self.front_offset } diff --git a/library/core/src/task/wake.rs b/library/core/src/task/wake.rs index 7e5c1574f536..1761584cfc4e 100644 --- a/library/core/src/task/wake.rs +++ b/library/core/src/task/wake.rs @@ -250,7 +250,7 @@ pub struct Context<'a> { impl<'a> Context<'a> { /// Creates a new `Context` from a [`&Waker`](Waker). #[stable(feature = "futures_api", since = "1.36.0")] - #[rustc_const_stable(feature = "const_waker", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_waker", since = "1.82.0")] #[must_use] #[inline] pub const fn from_waker(waker: &'a Waker) -> Self { @@ -261,7 +261,7 @@ impl<'a> Context<'a> { #[inline] #[must_use] #[stable(feature = "futures_api", since = "1.36.0")] - #[rustc_const_stable(feature = "const_waker", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_waker", since = "1.82.0")] pub const fn waker(&self) -> &'a Waker { &self.waker } @@ -337,7 +337,7 @@ impl<'a> ContextBuilder<'a> { /// Creates a ContextBuilder from a Waker. #[inline] #[unstable(feature = "local_waker", issue = "118959")] - #[rustc_const_stable(feature = "const_waker", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_waker", since = "1.82.0")] pub const fn from_waker(waker: &'a Waker) -> Self { // SAFETY: LocalWaker is just Waker without thread safety let local_waker = unsafe { transmute(waker) }; @@ -395,7 +395,7 @@ impl<'a> ContextBuilder<'a> { /// Builds the `Context`. #[inline] #[unstable(feature = "local_waker", issue = "118959")] - #[rustc_const_stable(feature = "const_waker", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_waker", since = "1.82.0")] pub const fn build(self) -> Context<'a> { let ContextBuilder { waker, local_waker, ext, _marker, _marker2 } = self; Context { waker, local_waker, ext: AssertUnwindSafe(ext), _marker, _marker2 } @@ -523,7 +523,7 @@ impl Waker { #[inline] #[must_use] #[stable(feature = "futures_api", since = "1.36.0")] - #[rustc_const_stable(feature = "const_waker", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_waker", since = "1.82.0")] pub const unsafe fn from_raw(waker: RawWaker) -> Waker { Waker { waker } } diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index e29c28f3c7ec..0fc63c5081b0 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -432,7 +432,7 @@ impl Builder { /// ``` /// /// [`io::Result`]: crate::io::Result - #[stable(feature = "thread_spawn_unchecked", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "thread_spawn_unchecked", since = "1.82.0")] pub unsafe fn spawn_unchecked(self, f: F) -> io::Result> where F: FnOnce() -> T, From f3efe3de1597b530735fd81fd776870cbfc952f0 Mon Sep 17 00:00:00 2001 From: Mark Rousskov Date: Tue, 3 Sep 2024 17:04:28 -0400 Subject: [PATCH 034/149] Add compat note for trait solver change --- RELEASES.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 6aba476103e7..c1e157e5455b 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -100,6 +100,9 @@ Compatibility Notes The reason is that these types have different roles: `std::panic::PanicHookInfo` is the argument to the [panic hook](https://doc.rust-lang.org/stable/std/panic/fn.set_hook.html) in std context (where panics can have an arbitrary payload), while `core::panic::PanicInfo` is the argument to the [`#[panic_handler]`](https://doc.rust-lang.org/nomicon/panic-handler.html) in no_std context (where panics always carry a formatted *message*). Separating these types allows us to add more useful methods to these types, such as `std::panic::PanicHookInfo::payload_as_str()` and `core::panic::PanicInfo::message()`. * The new sort implementations may panic if a type's implementation of [`Ord`](https://doc.rust-lang.org/std/cmp/trait.Ord.html) (or the given comparison function) does not implement a [total order](https://en.wikipedia.org/wiki/Total_order) as the trait requires. `Ord`'s supertraits (`PartialOrd`, `Eq`, and `PartialEq`) must also be consistent. The previous implementations would not "notice" any problem, but the new implementations have a good chance of detecting inconsistencies, throwing a panic rather than returning knowingly unsorted data. +* [In very rare cases, a change in the internal evaluation order of the trait + solver may result in new fatal overflow errors.](https://github.com/rust-lang/rust/pull/126128) + From e2484be0c7047485649f761cf58014bc1df1e227 Mon Sep 17 00:00:00 2001 From: Literally Void Date: Tue, 3 Sep 2024 15:34:46 -0700 Subject: [PATCH 035/149] docs: add digit separators in `Duration` examples --- library/core/src/time.rs | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/library/core/src/time.rs b/library/core/src/time.rs index 0390bb59a898..c19eeedb3542 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -250,7 +250,7 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::from_millis(2569); + /// let duration = Duration::from_millis(2_569); /// /// assert_eq!(2, duration.as_secs()); /// assert_eq!(569_000_000, duration.subsec_nanos()); @@ -279,7 +279,7 @@ impl Duration { /// let duration = Duration::from_micros(1_000_002); /// /// assert_eq!(1, duration.as_secs()); - /// assert_eq!(2000, duration.subsec_nanos()); + /// assert_eq!(2_000, duration.subsec_nanos()); /// ``` #[stable(feature = "duration_from_micros", since = "1.27.0")] #[must_use] @@ -472,7 +472,7 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::new(5, 730023852); + /// let duration = Duration::new(5, 730_023_852); /// assert_eq!(duration.as_secs(), 5); /// ``` /// @@ -501,7 +501,7 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::from_millis(5432); + /// let duration = Duration::from_millis(5_432); /// assert_eq!(duration.as_secs(), 5); /// assert_eq!(duration.subsec_millis(), 432); /// ``` @@ -547,7 +547,7 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::from_millis(5010); + /// let duration = Duration::from_millis(5_010); /// assert_eq!(duration.as_secs(), 5); /// assert_eq!(duration.subsec_nanos(), 10_000_000); /// ``` @@ -566,8 +566,8 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::new(5, 730023852); - /// assert_eq!(duration.as_millis(), 5730); + /// let duration = Duration::new(5, 730_023_852); + /// assert_eq!(duration.as_millis(), 5_730); /// ``` #[stable(feature = "duration_as_u128", since = "1.33.0")] #[rustc_const_stable(feature = "duration_as_u128", since = "1.33.0")] @@ -584,8 +584,8 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::new(5, 730023852); - /// assert_eq!(duration.as_micros(), 5730023); + /// let duration = Duration::new(5, 730_023_852); + /// assert_eq!(duration.as_micros(), 5_730_023); /// ``` #[stable(feature = "duration_as_u128", since = "1.33.0")] #[rustc_const_stable(feature = "duration_as_u128", since = "1.33.0")] @@ -602,8 +602,8 @@ impl Duration { /// ``` /// use std::time::Duration; /// - /// let duration = Duration::new(5, 730023852); - /// assert_eq!(duration.as_nanos(), 5730023852); + /// let duration = Duration::new(5, 730_023_852); + /// assert_eq!(duration.as_nanos(), 5_730_023_852); /// ``` #[stable(feature = "duration_as_u128", since = "1.33.0")] #[rustc_const_stable(feature = "duration_as_u128", since = "1.33.0")] @@ -879,7 +879,7 @@ impl Duration { /// use std::time::Duration; /// /// let dur = Duration::new(2, 345_678_000); - /// assert_eq!(dur.as_millis_f64(), 2345.678); + /// assert_eq!(dur.as_millis_f64(), 2_345.678); /// ``` #[unstable(feature = "duration_millis_float", issue = "122451")] #[must_use] @@ -900,7 +900,7 @@ impl Duration { /// use std::time::Duration; /// /// let dur = Duration::new(2, 345_678_000); - /// assert_eq!(dur.as_millis_f32(), 2345.678); + /// assert_eq!(dur.as_millis_f32(), 2_345.678); /// ``` #[unstable(feature = "duration_millis_float", issue = "122451")] #[must_use] @@ -1017,7 +1017,7 @@ impl Duration { /// /// let dur = Duration::new(2, 700_000_000); /// assert_eq!(dur.mul_f32(3.14), Duration::new(8, 478_000_641)); - /// assert_eq!(dur.mul_f32(3.14e5), Duration::new(847800, 0)); + /// assert_eq!(dur.mul_f32(3.14e5), Duration::new(847_800, 0)); /// ``` #[stable(feature = "duration_float", since = "1.38.0")] #[must_use = "this returns the result of the operation, \ From a9998704d378dcb7bf399a5835dab1d22543c01f Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 3 Sep 2024 20:56:29 +0100 Subject: [PATCH 036/149] bump stage0 --- src/stage0 | 892 +++++++++++++++++++++++++++-------------------------- 1 file changed, 450 insertions(+), 442 deletions(-) diff --git a/src/stage0 b/src/stage0 index dcc22673f13e..1a603931792c 100644 --- a/src/stage0 +++ b/src/stage0 @@ -14,448 +14,456 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2024-07-26 +compiler_date=2024-09-04 compiler_version=beta -rustfmt_date=2024-07-30 +rustfmt_date=2024-09-04 rustfmt_version=nightly -dist/2024-07-26/rustc-beta-aarch64-apple-darwin.tar.gz=a265d7831284938f090ef34cf2fb374f4d2b946c52829de8e53a06b7373c3d7e -dist/2024-07-26/rustc-beta-aarch64-apple-darwin.tar.xz=f2420846f82f474892776f0bea176fbb2f1850a1fb9f51a1afe40ae6de8bbc17 -dist/2024-07-26/rustc-beta-aarch64-pc-windows-msvc.tar.gz=e3e0e2b8d1f8804cc2b5785765cc6807bbf7120fb010d74453097b5931c82e96 -dist/2024-07-26/rustc-beta-aarch64-pc-windows-msvc.tar.xz=1270aaea2f20a378e68d26518e1d34810ed346a4d4c272138c8aef67e3c386d5 -dist/2024-07-26/rustc-beta-aarch64-unknown-linux-gnu.tar.gz=02bcdc3eed81ba17e485556f1c4d5a00e851afb75a20f860ce7b6d22cb8f9e99 -dist/2024-07-26/rustc-beta-aarch64-unknown-linux-gnu.tar.xz=52b72cc7270fe75e023ca9c40d095a84cb0ce31657357cd7676d6570ca59bc1c -dist/2024-07-26/rustc-beta-aarch64-unknown-linux-musl.tar.gz=b47ba6f2214f238cf8df3c386765e7816bc86e1166f27ddb6c0ce678ec716939 -dist/2024-07-26/rustc-beta-aarch64-unknown-linux-musl.tar.xz=95537778025708922b4bf27f34f0634a61a1d963a8424f8a06c82564c74e849a -dist/2024-07-26/rustc-beta-arm-unknown-linux-gnueabi.tar.gz=d79c8b744d00b174be7630a54f9ee23562f8977d7e09e2ee46a9d72a80eef514 -dist/2024-07-26/rustc-beta-arm-unknown-linux-gnueabi.tar.xz=0f7d3d0773a3c1f94e8252d95b134f7f5e727a884ece54aa0f77e5edec5c6e29 -dist/2024-07-26/rustc-beta-arm-unknown-linux-gnueabihf.tar.gz=5e0d51532c4bb0c29fd01ef5d931c229f711c9326df0bdcb2b88c75aa72dc210 -dist/2024-07-26/rustc-beta-arm-unknown-linux-gnueabihf.tar.xz=5fe623cab0afd5f7bdd664a593ac02791915e30cfc9ca76a02ffd70e1e865ede -dist/2024-07-26/rustc-beta-armv7-unknown-linux-gnueabihf.tar.gz=1df1e1a44170d6c9ab4988e9841ab56ee00248ca5cbf7e38b69677bd5b2de585 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+dist/2024-09-04/rustc-nightly-x86_64-unknown-linux-gnu.tar.xz=8d307dce871ae5f7cc1410e85bb7b38f80aed5c1138030b4f112e727fb8c654b +dist/2024-09-04/rustc-nightly-x86_64-unknown-linux-musl.tar.gz=b7f84d8aab03afcf2bab8ed21fa3ece6ac418d076e0195381110adfac2aa1fbc +dist/2024-09-04/rustc-nightly-x86_64-unknown-linux-musl.tar.xz=296083c6b50b7dffe8a62884bac7e831e29487a31c8e6fb319f04f0e62157175 +dist/2024-09-04/rustc-nightly-x86_64-unknown-netbsd.tar.gz=96986595ce82c735b87fe75f00722514c49e7118d38c4bced554c9017377ec91 +dist/2024-09-04/rustc-nightly-x86_64-unknown-netbsd.tar.xz=bf8c9411ff7279fd56bb7e3c68ac29c8ce79ba031317b76aac6a74d20f1511f0 \ No newline at end of file From 4df28b8bf1c3e9dade6ab29358effc99010f594b Mon Sep 17 00:00:00 2001 From: chenx97 Date: Wed, 4 Sep 2024 14:44:23 +0800 Subject: [PATCH 037/149] forward linker option to lint-docs --- src/bootstrap/src/core/build_steps/doc.rs | 3 +++ src/tools/lint-docs/src/lib.rs | 5 +++++ src/tools/lint-docs/src/main.rs | 8 ++++++++ 3 files changed, 16 insertions(+) diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index ffb617c642ba..ac68bbf80509 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -1186,6 +1186,9 @@ impl Step for RustcBook { cmd.arg("--rustc"); cmd.arg(&rustc); cmd.arg("--rustc-target").arg(self.target.rustc_target_arg()); + if let Some(target_linker) = builder.linker(self.target) { + cmd.arg("--rustc-linker").arg(target_linker); + } if builder.is_verbose() { cmd.arg("--verbose"); } diff --git a/src/tools/lint-docs/src/lib.rs b/src/tools/lint-docs/src/lib.rs index 72bb9db7e741..532a27b22aa6 100644 --- a/src/tools/lint-docs/src/lib.rs +++ b/src/tools/lint-docs/src/lib.rs @@ -56,6 +56,8 @@ pub struct LintExtractor<'a> { pub rustc_path: &'a Path, /// The target arch to build the docs for. pub rustc_target: &'a str, + /// The target linker overriding `rustc`'s default + pub rustc_linker: Option<&'a str>, /// Verbose output. pub verbose: bool, /// Validate the style and the code example. @@ -459,6 +461,9 @@ impl<'a> LintExtractor<'a> { } cmd.arg("--error-format=json"); cmd.arg("--target").arg(self.rustc_target); + if let Some(target_linker) = self.rustc_linker { + cmd.arg(format!("-Clinker={target_linker}")); + } if options.contains(&"test") { cmd.arg("--test"); } diff --git a/src/tools/lint-docs/src/main.rs b/src/tools/lint-docs/src/main.rs index 2055fed2b480..e377283b1a45 100644 --- a/src/tools/lint-docs/src/main.rs +++ b/src/tools/lint-docs/src/main.rs @@ -27,6 +27,7 @@ fn doit() -> Result<(), Box> { let mut out_path = None; let mut rustc_path = None; let mut rustc_target = None; + let mut rustc_linker = None; let mut verbose = false; let mut validate = false; while let Some(arg) = args.next() { @@ -55,6 +56,12 @@ fn doit() -> Result<(), Box> { None => return Err("--rustc-target requires a value".into()), }; } + "--rustc-linker" => { + rustc_linker = match args.next() { + Some(s) => Some(s), + None => return Err("--rustc-linker requires a value".into()), + }; + } "-v" | "--verbose" => verbose = true, "--validate" => validate = true, s => return Err(format!("unexpected argument `{}`", s).into()), @@ -77,6 +84,7 @@ fn doit() -> Result<(), Box> { out_path: &out_path.unwrap(), rustc_path: &rustc_path.unwrap(), rustc_target: &rustc_target.unwrap(), + rustc_linker: rustc_linker.as_deref(), verbose, validate, }; From 9cb6d12f00426dd6fe1f32575a58fc6ef071b680 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Tue, 3 Sep 2024 22:54:32 +0300 Subject: [PATCH 038/149] use the bootstrapped compiler for `test-float-parse` test Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/test.rs | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 84a6b26a491e..0858edc690b7 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -3526,11 +3526,13 @@ impl Step for TestFloatParse { fn run(self, builder: &Builder<'_>) { let bootstrap_host = builder.config.build; - let compiler = builder.compiler(0, bootstrap_host); + let compiler = builder.compiler(builder.top_stage, bootstrap_host); let path = self.path.to_str().unwrap(); let crate_name = self.path.components().last().unwrap().as_os_str().to_str().unwrap(); - builder.ensure(compile::Std::new(compiler, self.host)); + if !builder.download_rustc() { + builder.ensure(compile::Std::new(compiler, self.host)); + } // Run any unit tests in the crate let cargo_test = tool::prepare_tool_cargo( From 93b4b2d51cd55177fedf1a38173c7e9576e98d31 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 4 Sep 2024 11:43:38 +0200 Subject: [PATCH 039/149] Temporarily remove fmease from the review rotation --- triagebot.toml | 1 + 1 file changed, 1 insertion(+) diff --git a/triagebot.toml b/triagebot.toml index 1afcad7d1315..f379f8cc7af5 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -914,6 +914,7 @@ cc = ["@kobzol"] warn_non_default_branch = true contributing_url = "https://rustc-dev-guide.rust-lang.org/getting-started.html" users_on_vacation = [ + "fmease", "jhpratt", "joboet", "jyn514", From 6e4c5c10b9b8740cecd62464c616cc82a01bc962 Mon Sep 17 00:00:00 2001 From: liushuyu Date: Tue, 3 Sep 2024 13:42:10 -0600 Subject: [PATCH 040/149] tests: add an assembly scanning test for s390x backchain switch --- tests/assembly/s390x-backchain-toggle.rs | 46 ++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 tests/assembly/s390x-backchain-toggle.rs diff --git a/tests/assembly/s390x-backchain-toggle.rs b/tests/assembly/s390x-backchain-toggle.rs new file mode 100644 index 000000000000..8b6d0cf21232 --- /dev/null +++ b/tests/assembly/s390x-backchain-toggle.rs @@ -0,0 +1,46 @@ +//@ revisions: enable-backchain disable-backchain +//@ assembly-output: emit-asm +//@ compile-flags: -O --crate-type=lib --target=s390x-unknown-linux-gnu +//@ needs-llvm-components: systemz +//@[enable-backchain] compile-flags: -Ctarget-feature=+backchain +//@[disable-backchain] compile-flags: -Ctarget-feature=-backchain +#![feature(no_core, lang_items)] +#![no_std] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +extern "C" { + fn extern_func(); +} + +// CHECK-LABEL: test_backchain +#[no_mangle] +extern "C" fn test_backchain() -> i32 { + // Here we try to match if backchain register is saved to the parameter area (stored in r15/sp) + // And also if a new parameter area (160 bytes) is allocated for the upcoming function call + // enable-backchain: lgr [[REG1:.*]], %r15 + // enable-backchain-NEXT: aghi %r15, -160 + // enable-backchain: stg [[REG1]], 0(%r15) + // disable-backchain: aghi %r15, -160 + // disable-backchain-NOT: stg %r{{.*}}, 0(%r15) + unsafe { + extern_func(); + } + // enable-backchain-NEXT: brasl %r{{.*}}, extern_func@PLT + // disable-backchain: brasl %r{{.*}}, extern_func@PLT + + // Make sure that the expected return value is written into %r2 (return register): + // enable-backchain-NEXT: lghi %r2, 1 + // disable-backchain: lghi %r2, 0 + #[cfg(target_feature = "backchain")] + { + 1 + } + #[cfg(not(target_feature = "backchain"))] + { + 0 + } + // CHECK: br %r{{.*}} +} From 49a93df77d3c617e14fd466f30d06b4ab54a64df Mon Sep 17 00:00:00 2001 From: Ryosuke Takahashi Date: Thu, 5 Sep 2024 00:48:00 +0900 Subject: [PATCH 041/149] fix: correct {Path,OsStr}::to_string_lossy() docs --- library/std/src/ffi/os_str.rs | 2 +- library/std/src/path.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index 918eec2d0d8e..99bea676e122 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -852,7 +852,7 @@ impl OsStr { /// Converts an `OsStr` to a [Cow]<[str]>. /// - /// Any non-Unicode sequences are replaced with + /// Any non-UTF-8 sequences are replaced with /// [`U+FFFD REPLACEMENT CHARACTER`][U+FFFD]. /// /// [U+FFFD]: crate::char::REPLACEMENT_CHARACTER diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 9eaa0e01c2c0..506ad445b6be 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -2200,7 +2200,7 @@ impl Path { /// Converts a `Path` to a [`Cow`]. /// - /// Any non-Unicode sequences are replaced with + /// Any non-UTF-8 sequences are replaced with /// [`U+FFFD REPLACEMENT CHARACTER`][U+FFFD]. /// /// [U+FFFD]: super::char::REPLACEMENT_CHARACTER From f7679d050793304eff9ff2a46a824cc5495e6f93 Mon Sep 17 00:00:00 2001 From: Folkert de Vries Date: Wed, 4 Sep 2024 12:29:44 +0200 Subject: [PATCH 042/149] propagate `tainted_by_errors` in `MirBorrowckCtxt::emit_errors` --- compiler/rustc_borrowck/src/lib.rs | 2 +- tests/ui/consts/missing_assoc_const_type.rs | 2 +- tests/ui/consts/missing_assoc_const_type.stderr | 8 +++++++- .../{crashes/124164.rs => ui/static/missing-type.rs} | 3 ++- tests/ui/static/missing-type.stderr | 8 ++++++++ .../126896.rs => ui/type-alias-impl-trait/taint.rs} | 8 ++++---- tests/ui/type-alias-impl-trait/taint.stderr | 12 ++++++++++++ 7 files changed, 35 insertions(+), 8 deletions(-) rename tests/{crashes/124164.rs => ui/static/missing-type.rs} (52%) create mode 100644 tests/ui/static/missing-type.stderr rename tests/{crashes/126896.rs => ui/type-alias-impl-trait/taint.rs} (59%) create mode 100644 tests/ui/type-alias-impl-trait/taint.stderr diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index ffb350b1d1f0..d40dcfa58054 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -2522,7 +2522,7 @@ mod diags { } pub(crate) fn emit_errors(&mut self) -> Option { - let mut res = None; + let mut res = self.infcx.tainted_by_errors(); // Buffer any move errors that we collected and de-duplicated. for (_, (_, diag)) in std::mem::take(&mut self.diags.buffered_move_errors) { diff --git a/tests/ui/consts/missing_assoc_const_type.rs b/tests/ui/consts/missing_assoc_const_type.rs index 8d95e3dca633..633998e9bc15 100644 --- a/tests/ui/consts/missing_assoc_const_type.rs +++ b/tests/ui/consts/missing_assoc_const_type.rs @@ -16,7 +16,7 @@ impl Range for TwoDigits { const fn digits(x: u8) -> usize { match x { - TwoDigits::FIRST..=TwoDigits::LAST => 0, + TwoDigits::FIRST..=TwoDigits::LAST => 0, //~ ERROR: could not evaluate constant pattern 0..=9 | 100..=255 => panic!(), } } diff --git a/tests/ui/consts/missing_assoc_const_type.stderr b/tests/ui/consts/missing_assoc_const_type.stderr index 28af1f0f321e..ef7ff962d2d1 100644 --- a/tests/ui/consts/missing_assoc_const_type.stderr +++ b/tests/ui/consts/missing_assoc_const_type.stderr @@ -4,5 +4,11 @@ error: missing type for `const` item LL | const FIRST: = 10; | ^ help: provide a type for the associated constant: `u8` -error: aborting due to 1 previous error +error: could not evaluate constant pattern + --> $DIR/missing_assoc_const_type.rs:19:9 + | +LL | TwoDigits::FIRST..=TwoDigits::LAST => 0, + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors diff --git a/tests/crashes/124164.rs b/tests/ui/static/missing-type.rs similarity index 52% rename from tests/crashes/124164.rs rename to tests/ui/static/missing-type.rs index 8c9b4bddbe80..2569f47b7c38 100644 --- a/tests/crashes/124164.rs +++ b/tests/ui/static/missing-type.rs @@ -1,4 +1,5 @@ -//@ known-bug: #124164 +// reported as #124164 static S_COUNT: = std::sync::atomic::AtomicUsize::new(0); +//~^ ERROR: missing type for `static` item fn main() {} diff --git a/tests/ui/static/missing-type.stderr b/tests/ui/static/missing-type.stderr new file mode 100644 index 000000000000..6489ceb700a2 --- /dev/null +++ b/tests/ui/static/missing-type.stderr @@ -0,0 +1,8 @@ +error: missing type for `static` item + --> $DIR/missing-type.rs:2:16 + | +LL | static S_COUNT: = std::sync::atomic::AtomicUsize::new(0); + | ^ help: provide a type for the static variable: `AtomicUsize` + +error: aborting due to 1 previous error + diff --git a/tests/crashes/126896.rs b/tests/ui/type-alias-impl-trait/taint.rs similarity index 59% rename from tests/crashes/126896.rs rename to tests/ui/type-alias-impl-trait/taint.rs index 49c539d7acc8..dfb947637c04 100644 --- a/tests/crashes/126896.rs +++ b/tests/ui/type-alias-impl-trait/taint.rs @@ -1,6 +1,7 @@ -//@ known-bug: rust-lang/rust#126896 //@ compile-flags: -Zvalidate-mir -Zinline-mir=yes +// reported as rust-lang/rust#126896 + #![feature(type_alias_impl_trait)] type Two<'a, 'b> = impl std::fmt::Debug; @@ -9,9 +10,8 @@ fn set(x: &mut isize) -> isize { } fn d(x: Two) { - let c1 = || set(x); + let c1 = || set(x); //~ ERROR: expected generic lifetime parameter, found `'_` c1; } -fn main() { -} +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/taint.stderr b/tests/ui/type-alias-impl-trait/taint.stderr new file mode 100644 index 000000000000..17fcd4b7e932 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/taint.stderr @@ -0,0 +1,12 @@ +error[E0792]: expected generic lifetime parameter, found `'_` + --> $DIR/taint.rs:13:17 + | +LL | type Two<'a, 'b> = impl std::fmt::Debug; + | -- this generic parameter must be used with a generic lifetime parameter +... +LL | let c1 = || set(x); + | ^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0792`. From 49e3b9a2d2cf9bfbc5ada8e3d5dba8dee507dace Mon Sep 17 00:00:00 2001 From: Folkert de Vries Date: Fri, 23 Aug 2024 16:38:20 +0200 Subject: [PATCH 043/149] fix ICE when `asm_const` and `const_refs_to_static` are combined --- .../rustc_borrowck/src/universal_regions.rs | 14 ++++++++++-- tests/ui/asm/const-refs-to-static.rs | 21 ++++++++++++++++++ tests/ui/asm/const-refs-to-static.stderr | 22 +++++++++++++++++++ 3 files changed, 55 insertions(+), 2 deletions(-) create mode 100644 tests/ui/asm/const-refs-to-static.rs create mode 100644 tests/ui/asm/const-refs-to-static.stderr diff --git a/compiler/rustc_borrowck/src/universal_regions.rs b/compiler/rustc_borrowck/src/universal_regions.rs index 9eabe817359c..164be73f4929 100644 --- a/compiler/rustc_borrowck/src/universal_regions.rs +++ b/compiler/rustc_borrowck/src/universal_regions.rs @@ -29,7 +29,8 @@ use rustc_macros::extension; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{ - self, GenericArgs, GenericArgsRef, InlineConstArgs, InlineConstArgsParts, RegionVid, Ty, TyCtxt, + self, GenericArgs, GenericArgsRef, InlineConstArgs, InlineConstArgsParts, RegionVid, Ty, + TyCtxt, TypeVisitableExt, }; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::{kw, sym}; @@ -688,7 +689,8 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { defining_ty: DefiningTy<'tcx>, ) -> ty::Binder<'tcx, &'tcx ty::List>> { let tcx = self.infcx.tcx; - match defining_ty { + + let inputs_and_output = match defining_ty { DefiningTy::Closure(def_id, args) => { assert_eq!(self.mir_def.to_def_id(), def_id); let closure_sig = args.as_closure().sig(); @@ -798,6 +800,7 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { // "output" (the type of the constant). assert_eq!(self.mir_def.to_def_id(), def_id); let ty = tcx.type_of(self.mir_def).instantiate_identity(); + let ty = indices.fold_to_region_vids(tcx, ty); ty::Binder::dummy(tcx.mk_type_list(&[ty])) } @@ -807,7 +810,14 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { let ty = args.as_inline_const().ty(); ty::Binder::dummy(tcx.mk_type_list(&[ty])) } + }; + + // FIXME(#129952): We probably want a more principled approach here. + if let Err(terr) = inputs_and_output.skip_binder().error_reported() { + self.infcx.set_tainted_by_errors(terr); } + + inputs_and_output } } diff --git a/tests/ui/asm/const-refs-to-static.rs b/tests/ui/asm/const-refs-to-static.rs new file mode 100644 index 000000000000..9fc010b57630 --- /dev/null +++ b/tests/ui/asm/const-refs-to-static.rs @@ -0,0 +1,21 @@ +//@ needs-asm-support +//@ ignore-nvptx64 +//@ ignore-spirv + +#![feature(const_refs_to_static)] + +use std::arch::{asm, global_asm}; +use std::ptr::addr_of; + +static FOO: u8 = 42; + +global_asm!("{}", const addr_of!(FOO)); +//~^ ERROR invalid type for `const` operand + +#[no_mangle] +fn inline() { + unsafe { asm!("{}", const addr_of!(FOO)) }; + //~^ ERROR invalid type for `const` operand +} + +fn main() {} diff --git a/tests/ui/asm/const-refs-to-static.stderr b/tests/ui/asm/const-refs-to-static.stderr new file mode 100644 index 000000000000..8fd69da0d1e9 --- /dev/null +++ b/tests/ui/asm/const-refs-to-static.stderr @@ -0,0 +1,22 @@ +error: invalid type for `const` operand + --> $DIR/const-refs-to-static.rs:12:19 + | +LL | global_asm!("{}", const addr_of!(FOO)); + | ^^^^^^------------- + | | + | is a `*const u8` + | + = help: `const` operands must be of an integer type + +error: invalid type for `const` operand + --> $DIR/const-refs-to-static.rs:17:25 + | +LL | unsafe { asm!("{}", const addr_of!(FOO)) }; + | ^^^^^^------------- + | | + | is a `*const u8` + | + = help: `const` operands must be of an integer type + +error: aborting due to 2 previous errors + From 23cdb50e4f1c91ad76a3023e8a8c325e98c6348c Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Thu, 5 Sep 2024 06:47:11 +0200 Subject: [PATCH 044/149] Apple: Improve comments for `-arch` linker argument --- .../rustc_target/src/spec/base/apple/mod.rs | 40 ++++++++++++++++--- .../src/spec/targets/i686_apple_darwin.rs | 7 +--- 2 files changed, 36 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_target/src/spec/base/apple/mod.rs b/compiler/rustc_target/src/spec/base/apple/mod.rs index b752a3443953..aef35ff61623 100644 --- a/compiler/rustc_target/src/spec/base/apple/mod.rs +++ b/compiler/rustc_target/src/spec/base/apple/mod.rs @@ -39,6 +39,25 @@ impl Arch { } } + /// The architecture name to forward to the linker. + fn ld_arch(self) -> &'static str { + // Supported architecture names can be found in the source: + // https://github.com/apple-oss-distributions/ld64/blob/ld64-951.9/src/abstraction/MachOFileAbstraction.hpp#L578-L648 + match self { + Armv7k => "armv7k", + Armv7s => "armv7s", + Arm64 => "arm64", + Arm64e => "arm64e", + Arm64_32 => "arm64_32", + // ld64 doesn't understand i686, so fall back to i386 instead + // + // Same story when linking with cc, since that ends up invoking ld64. + I386 | I686 => "i386", + X86_64 => "x86_64", + X86_64h => "x86_64h", + } + } + pub(crate) fn target_arch(self) -> Cow<'static, str> { Cow::Borrowed(match self { Armv7k | Armv7s => "arm", @@ -116,20 +135,29 @@ fn pre_link_args(os: &'static str, arch: Arch, abi: TargetAbi) -> LinkArgs { }; let sdk_version = min_version.clone(); - let mut args = TargetOptions::link_args( - LinkerFlavor::Darwin(Cc::No, Lld::No), - &["-arch", arch.target_name(), "-platform_version"], - ); + // From the man page for ld64 (`man ld`): + // > The linker accepts universal (multiple-architecture) input files, + // > but always creates a "thin" (single-architecture), standard Mach-O + // > output file. The architecture for the output file is specified using + // > the -arch option. + // + // The linker has heuristics to determine the desired architecture, but to + // be safe, and to avoid a warning, we set the architecture explicitly. + let mut args = + TargetOptions::link_args(LinkerFlavor::Darwin(Cc::No, Lld::No), &["-arch", arch.ld_arch()]); + add_link_args_iter( &mut args, LinkerFlavor::Darwin(Cc::No, Lld::No), - [platform_name, min_version, sdk_version].into_iter(), + ["-platform_version".into(), platform_name, min_version, sdk_version].into_iter(), ); if abi != TargetAbi::MacCatalyst { + // CC forwards the `-arch` to the linker, so we use the same value + // here intentionally. add_link_args( &mut args, LinkerFlavor::Darwin(Cc::Yes, Lld::No), - &["-arch", arch.target_name()], + &["-arch", arch.ld_arch()], ); } else { add_link_args_iter( diff --git a/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs index f173e8b7e4ae..f7045a97bbbf 100644 --- a/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs @@ -2,8 +2,7 @@ use crate::spec::base::apple::{macos_llvm_target, opts, Arch, TargetAbi}; use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, Target, TargetOptions}; pub(crate) fn target() -> Target { - // ld64 only understands i386 and not i686 - let arch = Arch::I386; + let arch = Arch::I686; let mut base = opts("macos", arch, TargetAbi::Normal); base.max_atomic_width = Some(64); base.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m32"]); @@ -13,9 +12,7 @@ pub(crate) fn target() -> Target { // Clang automatically chooses a more specific target based on // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work // correctly, we do too. - // - // While ld64 doesn't understand i686, LLVM does. - llvm_target: macos_llvm_target(Arch::I686).into(), + llvm_target: macos_llvm_target(arch).into(), metadata: crate::spec::TargetMetadata { description: Some("32-bit macOS (10.12+, Sierra+)".into()), tier: Some(3), From 5b51331abe0263a87b5381461543749772071d61 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Thu, 5 Sep 2024 06:45:02 +0200 Subject: [PATCH 045/149] Apple: Refactor deployment target version parsing - Merge minimum OS version list into one function (makes it easier to see the logic in it). - Parse patch deployment target versions. - Consistently specify deployment target in LLVM target (previously omitted on `aarch64-apple-watchos`). --- .../rustc_codegen_ssa/src/back/metadata.rs | 33 ++- compiler/rustc_driver_impl/src/lib.rs | 6 +- .../rustc_target/src/spec/base/apple/mod.rs | 264 +++++++++--------- .../rustc_target/src/spec/base/apple/tests.rs | 9 + compiler/rustc_target/src/spec/mod.rs | 4 +- .../src/spec/targets/aarch64_apple_darwin.rs | 24 +- .../src/spec/targets/aarch64_apple_ios.rs | 18 +- .../spec/targets/aarch64_apple_ios_macabi.rs | 14 +- .../src/spec/targets/aarch64_apple_ios_sim.rs | 18 +- .../src/spec/targets/aarch64_apple_tvos.rs | 10 +- .../spec/targets/aarch64_apple_tvos_sim.rs | 10 +- .../spec/targets/aarch64_apple_visionos.rs | 14 +- .../targets/aarch64_apple_visionos_sim.rs | 14 +- .../src/spec/targets/aarch64_apple_watchos.rs | 10 +- .../spec/targets/aarch64_apple_watchos_sim.rs | 14 +- .../spec/targets/arm64_32_apple_watchos.rs | 11 +- .../src/spec/targets/arm64e_apple_darwin.rs | 24 +- .../src/spec/targets/arm64e_apple_ios.rs | 18 +- .../src/spec/targets/armv7k_apple_watchos.rs | 10 +- .../src/spec/targets/armv7s_apple_ios.rs | 10 +- .../src/spec/targets/i386_apple_ios.rs | 15 +- .../src/spec/targets/i686_apple_darwin.rs | 23 +- .../src/spec/targets/x86_64_apple_darwin.rs | 30 +- .../src/spec/targets/x86_64_apple_ios.rs | 17 +- .../spec/targets/x86_64_apple_ios_macabi.rs | 17 +- .../src/spec/targets/x86_64_apple_tvos.rs | 11 +- .../spec/targets/x86_64_apple_watchos_sim.rs | 13 +- .../src/spec/targets/x86_64h_apple_darwin.rs | 26 +- 28 files changed, 323 insertions(+), 364 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs index 9b5a797ad510..0fd9d7fffe8f 100644 --- a/compiler/rustc_codegen_ssa/src/back/metadata.rs +++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs @@ -372,27 +372,42 @@ pub(crate) fn create_object_file(sess: &Session) -> Option object::write::MachOBuildVersion { /// The `object` crate demands "X.Y.Z encoded in nibbles as xxxx.yy.zz" /// e.g. minOS 14.0 = 0x000E0000, or SDK 16.2 = 0x00100200 - fn pack_version((major, minor): (u32, u32)) -> u32 { - (major << 16) | (minor << 8) + fn pack_version((major, minor, patch): (u16, u8, u8)) -> u32 { + let (major, minor, patch) = (major as u32, minor as u32, patch as u32); + (major << 16) | (minor << 8) | patch } let platform = rustc_target::spec::current_apple_platform(target).expect("unknown Apple target OS"); - let min_os = rustc_target::spec::current_apple_deployment_target(target) - .expect("unknown Apple target OS"); - let sdk = + let min_os = rustc_target::spec::current_apple_deployment_target(target); + let (sdk_major, sdk_minor) = rustc_target::spec::current_apple_sdk_version(platform).expect("unknown Apple target OS"); let mut build_version = object::write::MachOBuildVersion::default(); build_version.platform = platform; build_version.minos = pack_version(min_os); - build_version.sdk = pack_version(sdk); + build_version.sdk = pack_version((sdk_major, sdk_minor, 0)); build_version } diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index e49ae60e890b..d7d518700844 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -871,9 +871,9 @@ fn print_crate_info( use rustc_target::spec::current_apple_deployment_target; if sess.target.is_like_osx { - let (major, minor) = current_apple_deployment_target(&sess.target) - .expect("unknown Apple target OS"); - println_info!("deployment_target={}", format!("{major}.{minor}")) + let (major, minor, patch) = current_apple_deployment_target(&sess.target); + let patch = if patch != 0 { format!(".{patch}") } else { String::new() }; + println_info!("deployment_target={major}.{minor}{patch}") } else { #[allow(rustc::diagnostic_outside_of_impl)] sess.dcx().fatal("only Apple targets currently support deployment version info") diff --git a/compiler/rustc_target/src/spec/base/apple/mod.rs b/compiler/rustc_target/src/spec/base/apple/mod.rs index aef35ff61623..2ca6b7d32ca4 100644 --- a/compiler/rustc_target/src/spec/base/apple/mod.rs +++ b/compiler/rustc_target/src/spec/base/apple/mod.rs @@ -1,5 +1,6 @@ use std::borrow::Cow; use std::env; +use std::num::ParseIntError; use crate::spec::{ add_link_args, add_link_args_iter, cvs, Cc, DebuginfoKind, FramePointer, LinkArgs, @@ -123,15 +124,8 @@ fn pre_link_args(os: &'static str, arch: Arch, abi: TargetAbi) -> LinkArgs { }; let min_version: StaticCow = { - let (major, minor) = match os { - "ios" => ios_deployment_target(arch, abi.target_abi()), - "tvos" => tvos_deployment_target(), - "watchos" => watchos_deployment_target(), - "visionos" => visionos_deployment_target(), - "macos" => macos_deployment_target(arch), - _ => unreachable!(), - }; - format!("{major}.{minor}").into() + let (major, minor, patch) = deployment_target(os, arch, abi); + format!("{major}.{minor}.{patch}").into() }; let sdk_version = min_version.clone(); @@ -163,15 +157,22 @@ fn pre_link_args(os: &'static str, arch: Arch, abi: TargetAbi) -> LinkArgs { add_link_args_iter( &mut args, LinkerFlavor::Darwin(Cc::Yes, Lld::No), - ["-target".into(), mac_catalyst_llvm_target(arch).into()].into_iter(), + ["-target".into(), llvm_target(os, arch, abi)].into_iter(), ); } args } -pub(crate) fn opts(os: &'static str, arch: Arch, abi: TargetAbi) -> TargetOptions { - TargetOptions { +/// Get the base target options, LLVM target and `target_arch` from the three +/// things that uniquely identify Rust's Apple targets: The OS, the +/// architecture, and the ABI. +pub(crate) fn base( + os: &'static str, + arch: Arch, + abi: TargetAbi, +) -> (TargetOptions, StaticCow, StaticCow) { + let opts = TargetOptions { abi: abi.target_abi().into(), os: os.into(), cpu: arch.target_cpu(abi).into(), @@ -221,10 +222,11 @@ pub(crate) fn opts(os: &'static str, arch: Arch, abi: TargetAbi) -> TargetOption link_env: Cow::Borrowed(&[(Cow::Borrowed("ZERO_AR_DATE"), Cow::Borrowed("1"))]), ..Default::default() - } + }; + (opts, llvm_target(os, arch, abi), arch.target_arch()) } -pub fn sdk_version(platform: u32) -> Option<(u32, u32)> { +pub fn sdk_version(platform: u32) -> Option<(u16, u8)> { // NOTE: These values are from an arbitrary point in time but shouldn't make it into the final // binary since the final link command will have the current SDK version passed to it. match platform { @@ -258,58 +260,108 @@ pub fn platform(target: &Target) -> Option { }) } -pub fn deployment_target(target: &Target) -> Option<(u32, u32)> { - let (major, minor) = match &*target.os { - "macos" => { - // This does not need to be specific. It just needs to handle x86 vs M1. - let arch = match target.arch.as_ref() { - "x86" | "x86_64" => X86_64, - "arm64e" => Arm64e, - _ => Arm64, - }; - macos_deployment_target(arch) - } - "ios" => { - let arch = match target.arch.as_ref() { - "arm64e" => Arm64e, - _ => Arm64, - }; - ios_deployment_target(arch, &target.abi) - } - "watchos" => watchos_deployment_target(), - "tvos" => tvos_deployment_target(), - "visionos" => visionos_deployment_target(), - _ => return None, +/// Hack for calling `deployment_target` outside of this module. +pub fn deployment_target_for_target(target: &Target) -> (u16, u8, u8) { + let arch = if target.llvm_target.starts_with("arm64e") { + Arch::Arm64e + } else if target.arch == "aarch64" { + Arch::Arm64 + } else { + // Dummy architecture, only used by `deployment_target` anyhow + Arch::X86_64 + }; + let abi = match &*target.abi { + "macabi" => TargetAbi::MacCatalyst, + "sim" => TargetAbi::Simulator, + "" => TargetAbi::Normal, + abi => unreachable!("invalid abi '{abi}' for Apple target"), + }; + deployment_target(&target.os, arch, abi) +} + +/// Get the deployment target based on the standard environment variables, or +/// fall back to a sane default. +fn deployment_target(os: &str, arch: Arch, abi: TargetAbi) -> (u16, u8, u8) { + // When bumping a version in here, remember to update the platform-support + // docs too. + // + // NOTE: If you are looking for the default deployment target, prefer + // `rustc --print deployment-target`, as the default here may change in + // future `rustc` versions. + + // Minimum operating system versions currently supported by `rustc`. + let os_min = match os { + "macos" => (10, 12, 0), + "ios" => (10, 0, 0), + "tvos" => (10, 0, 0), + "watchos" => (5, 0, 0), + "visionos" => (1, 0, 0), + _ => unreachable!("tried to get deployment target for non-Apple platform"), }; - Some((major, minor)) -} + // On certain targets it makes sense to raise the minimum OS version. + let min = match (os, arch, abi) { + // Use 11.0 on Aarch64 as that's the earliest version with M1 support. + ("macos", Arch::Arm64 | Arch::Arm64e, _) => (11, 0, 0), + ("ios", Arch::Arm64e, _) => (14, 0, 0), + // Mac Catalyst defaults to 13.1 in Clang. + ("ios", _, TargetAbi::MacCatalyst) => (13, 1, 0), + _ => os_min, + }; -fn from_set_deployment_target(var_name: &str) -> Option<(u32, u32)> { - let deployment_target = env::var(var_name).ok()?; - let (unparsed_major, unparsed_minor) = deployment_target.split_once('.')?; - let (major, minor) = (unparsed_major.parse().ok()?, unparsed_minor.parse().ok()?); + // The environment variable used to fetch the deployment target. + let env_var = match os { + "macos" => "MACOSX_DEPLOYMENT_TARGET", + "ios" => "IPHONEOS_DEPLOYMENT_TARGET", + "watchos" => "WATCHOS_DEPLOYMENT_TARGET", + "tvos" => "TVOS_DEPLOYMENT_TARGET", + "visionos" => "XROS_DEPLOYMENT_TARGET", + _ => unreachable!("tried to get deployment target env var for non-Apple platform"), + }; - Some((major, minor)) -} - -fn macos_default_deployment_target(arch: Arch) -> (u32, u32) { - match arch { - Arm64 | Arm64e => (11, 0), - _ => (10, 12), + if let Ok(deployment_target) = env::var(env_var) { + match parse_version(&deployment_target) { + // It is common that the deployment target is set too low, e.g. on + // macOS Aarch64 to also target older x86_64, the user may set a + // lower deployment target than supported. + // + // To avoid such issues, we silently raise the deployment target + // here. + // FIXME: We want to show a warning when `version < os_min`. + Ok(version) => version.max(min), + // FIXME: Report erroneous environment variable to user. + Err(_) => min, + } + } else { + min } } -fn macos_deployment_target(arch: Arch) -> (u32, u32) { - // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. - // Note: If bumping this version, remember to update it in the rustc/platform-support docs. - from_set_deployment_target("MACOSX_DEPLOYMENT_TARGET") - .unwrap_or_else(|| macos_default_deployment_target(arch)) -} - -pub(crate) fn macos_llvm_target(arch: Arch) -> String { - let (major, minor) = macos_deployment_target(arch); - format!("{}-apple-macosx{}.{}.0", arch.target_name(), major, minor) +/// Generate the target triple that we need to pass to LLVM and/or Clang. +fn llvm_target(os: &str, arch: Arch, abi: TargetAbi) -> StaticCow { + // The target triple depends on the deployment target, and is required to + // enable features such as cross-language LTO, and for picking the right + // Mach-O commands. + // + // Certain optimizations also depend on the deployment target. + let (major, minor, patch) = deployment_target(os, arch, abi); + let arch = arch.target_name(); + // Convert to the "canonical" OS name used by LLVM: + // https://github.com/llvm/llvm-project/blob/llvmorg-18.1.8/llvm/lib/TargetParser/Triple.cpp#L236-L282 + let os = match os { + "macos" => "macosx", + "ios" => "ios", + "watchos" => "watchos", + "tvos" => "tvos", + "visionos" => "xros", + _ => unreachable!("tried to get LLVM target OS for non-Apple platform"), + }; + let environment = match abi { + TargetAbi::Normal => "", + TargetAbi::MacCatalyst => "-macabi", + TargetAbi::Simulator => "-simulator", + }; + format!("{arch}-apple-{os}{major}.{minor}.{patch}{environment}").into() } fn link_env_remove(os: &'static str) -> StaticCow<[StaticCow]> { @@ -349,83 +401,19 @@ fn link_env_remove(os: &'static str) -> StaticCow<[StaticCow]> { } } -fn ios_deployment_target(arch: Arch, abi: &str) -> (u32, u32) { - // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. - // Note: If bumping this version, remember to update it in the rustc/platform-support docs. - let (major, minor) = match (arch, abi) { - (Arm64e, _) => (14, 0), - // Mac Catalyst defaults to 13.1 in Clang. - (_, "macabi") => (13, 1), - _ => (10, 0), - }; - from_set_deployment_target("IPHONEOS_DEPLOYMENT_TARGET").unwrap_or((major, minor)) -} - -pub(crate) fn ios_llvm_target(arch: Arch) -> String { - // Modern iOS tooling extracts information about deployment target - // from LC_BUILD_VERSION. This load command will only be emitted when - // we build with a version specific `llvm_target`, with the version - // set high enough. Luckily one LC_BUILD_VERSION is enough, for Xcode - // to pick it up (since std and core are still built with the fallback - // of version 7.0 and hence emit the old LC_IPHONE_MIN_VERSION). - let (major, minor) = ios_deployment_target(arch, ""); - format!("{}-apple-ios{}.{}.0", arch.target_name(), major, minor) -} - -pub(crate) fn mac_catalyst_llvm_target(arch: Arch) -> String { - let (major, minor) = ios_deployment_target(arch, "macabi"); - format!("{}-apple-ios{}.{}.0-macabi", arch.target_name(), major, minor) -} - -pub(crate) fn ios_sim_llvm_target(arch: Arch) -> String { - let (major, minor) = ios_deployment_target(arch, "sim"); - format!("{}-apple-ios{}.{}.0-simulator", arch.target_name(), major, minor) -} - -fn tvos_deployment_target() -> (u32, u32) { - // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. - // Note: If bumping this version, remember to update it in the rustc platform-support docs. - from_set_deployment_target("TVOS_DEPLOYMENT_TARGET").unwrap_or((10, 0)) -} - -pub(crate) fn tvos_llvm_target(arch: Arch) -> String { - let (major, minor) = tvos_deployment_target(); - format!("{}-apple-tvos{}.{}.0", arch.target_name(), major, minor) -} - -pub(crate) fn tvos_sim_llvm_target(arch: Arch) -> String { - let (major, minor) = tvos_deployment_target(); - format!("{}-apple-tvos{}.{}.0-simulator", arch.target_name(), major, minor) -} - -fn watchos_deployment_target() -> (u32, u32) { - // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. - // Note: If bumping this version, remember to update it in the rustc platform-support docs. - from_set_deployment_target("WATCHOS_DEPLOYMENT_TARGET").unwrap_or((5, 0)) -} - -pub(crate) fn watchos_llvm_target(arch: Arch) -> String { - let (major, minor) = watchos_deployment_target(); - format!("{}-apple-watchos{}.{}.0", arch.target_name(), major, minor) -} - -pub(crate) fn watchos_sim_llvm_target(arch: Arch) -> String { - let (major, minor) = watchos_deployment_target(); - format!("{}-apple-watchos{}.{}.0-simulator", arch.target_name(), major, minor) -} - -fn visionos_deployment_target() -> (u32, u32) { - // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. - // Note: If bumping this version, remember to update it in the rustc platform-support docs. - from_set_deployment_target("XROS_DEPLOYMENT_TARGET").unwrap_or((1, 0)) -} - -pub(crate) fn visionos_llvm_target(arch: Arch) -> String { - let (major, minor) = visionos_deployment_target(); - format!("{}-apple-visionos{}.{}.0", arch.target_name(), major, minor) -} - -pub(crate) fn visionos_sim_llvm_target(arch: Arch) -> String { - let (major, minor) = visionos_deployment_target(); - format!("{}-apple-visionos{}.{}.0-simulator", arch.target_name(), major, minor) +/// Parse an OS version triple (SDK version or deployment target). +/// +/// The size of the returned numbers here are limited by Mach-O's +/// `LC_BUILD_VERSION`. +fn parse_version(version: &str) -> Result<(u16, u8, u8), ParseIntError> { + if let Some((major, minor)) = version.split_once('.') { + let major = major.parse()?; + if let Some((minor, patch)) = minor.split_once('.') { + Ok((major, minor.parse()?, patch.parse()?)) + } else { + Ok((major, minor.parse()?, 0)) + } + } else { + Ok((version.parse()?, 0, 0)) + } } diff --git a/compiler/rustc_target/src/spec/base/apple/tests.rs b/compiler/rustc_target/src/spec/base/apple/tests.rs index 7a985ad4dc05..d55b44e3c9e0 100644 --- a/compiler/rustc_target/src/spec/base/apple/tests.rs +++ b/compiler/rustc_target/src/spec/base/apple/tests.rs @@ -1,3 +1,4 @@ +use super::parse_version; use crate::spec::targets::{ aarch64_apple_darwin, aarch64_apple_ios_sim, aarch64_apple_visionos_sim, aarch64_apple_watchos_sim, i686_apple_darwin, x86_64_apple_darwin, x86_64_apple_ios, @@ -42,3 +43,11 @@ fn macos_link_environment_unmodified() { ); } } + +#[test] +fn test_parse_version() { + assert_eq!(parse_version("10"), Ok((10, 0, 0))); + assert_eq!(parse_version("10.12"), Ok((10, 12, 0))); + assert_eq!(parse_version("10.12.6"), Ok((10, 12, 6))); + assert_eq!(parse_version("9999.99.99"), Ok((9999, 99, 99))); +} diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index f992ddf84170..7ecf1390f864 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -60,8 +60,8 @@ pub mod crt_objects; mod base; pub use base::apple::{ - deployment_target as current_apple_deployment_target, platform as current_apple_platform, - sdk_version as current_apple_sdk_version, + deployment_target_for_target as current_apple_deployment_target, + platform as current_apple_platform, sdk_version as current_apple_sdk_version, }; pub use base::avr_gnu::ef_avr_arch; diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs index 912392c9fef0..1061633be175 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs @@ -1,20 +1,10 @@ -use crate::spec::base::apple::{macos_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; - let mut base = opts("macos", arch, TargetAbi::Normal); - base.cpu = "apple-m1".into(); - base.max_atomic_width = Some(128); - - // FIXME: The leak sanitizer currently fails the tests, see #88132. - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("macos", Arch::Arm64, TargetAbi::Normal); Target { - // Clang automatically chooses a more specific target based on - // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work - // correctly, we do too. - llvm_target: macos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 macOS (11.0+, Big Sur+)".into()), tier: Some(1), @@ -23,11 +13,15 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { mcount: "\u{1}mcount".into(), frame_pointer: FramePointer::NonLeaf, - ..base + cpu: "apple-m1".into(), + max_atomic_width: Some(128), + // FIXME: The leak sanitizer currently fails the tests, see #88132. + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs index 7f3a86f3256f..caeb9a121e48 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs @@ -1,17 +1,10 @@ -use crate::spec::base::apple::{ios_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; - let mut base = opts("ios", arch, TargetAbi::Normal); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("ios", Arch::Arm64, TargetAbi::Normal); Target { - // Clang automatically chooses a more specific target based on - // IPHONEOS_DEPLOYMENT_TARGET. - // This is required for the target to pick the right - // MACH-O commands, so we do too. - llvm_target: ios_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 iOS".into()), tier: Some(2), @@ -20,12 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..base + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs index e60eeda42956..eee9eca3bcbe 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs @@ -1,13 +1,10 @@ -use crate::spec::base::apple::{mac_catalyst_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; - let mut base = opts("ios", arch, TargetAbi::MacCatalyst); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("ios", Arch::Arm64, TargetAbi::MacCatalyst); Target { - llvm_target: mac_catalyst_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("Apple Catalyst on ARM64".into()), tier: Some(2), @@ -16,12 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a12".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..base + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_sim.rs index d605e22701af..ee58038301d4 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_sim.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_ios_sim.rs @@ -1,17 +1,10 @@ -use crate::spec::base::apple::{ios_sim_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; - let mut base = opts("ios", arch, TargetAbi::Simulator); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("ios", Arch::Arm64, TargetAbi::Simulator); Target { - // Clang automatically chooses a more specific target based on - // IPHONEOS_DEPLOYMENT_TARGET. - // This is required for the simulator target to pick the right - // MACH-O commands, so we do too. - llvm_target: ios_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("Apple iOS Simulator on ARM64".into()), tier: Some(2), @@ -20,12 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..base + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos.rs index fc774ab94c88..baca863d442b 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos.rs @@ -1,10 +1,10 @@ -use crate::spec::base::apple::{opts, tvos_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; + let (opts, llvm_target, arch) = base("tvos", Arch::Arm64, TargetAbi::Normal); Target { - llvm_target: tvos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 tvOS".into()), tier: Some(3), @@ -13,12 +13,12 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..opts("tvos", arch, TargetAbi::Normal) + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos_sim.rs index 8e8bb1efc9df..1a48f8c5acff 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos_sim.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_tvos_sim.rs @@ -1,10 +1,10 @@ -use crate::spec::base::apple::{opts, tvos_sim_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; + let (opts, llvm_target, arch) = base("tvos", Arch::Arm64, TargetAbi::Simulator); Target { - llvm_target: tvos_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 tvOS Simulator".into()), tier: Some(3), @@ -13,12 +13,12 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..opts("tvos", arch, TargetAbi::Simulator) + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos.rs index 16c7d72daed8..1424126134d6 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos.rs @@ -1,13 +1,10 @@ -use crate::spec::base::apple::{opts, visionos_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; - let mut base = opts("visionos", arch, TargetAbi::Normal); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("visionos", Arch::Arm64, TargetAbi::Normal); Target { - llvm_target: visionos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 Apple visionOS".into()), tier: Some(3), @@ -16,12 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a16".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..base + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos_sim.rs index 42973e0268e1..d7226e02ecb5 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos_sim.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_visionos_sim.rs @@ -1,13 +1,10 @@ -use crate::spec::base::apple::{opts, visionos_sim_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; - let mut base = opts("visionos", arch, TargetAbi::Simulator); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("visionos", Arch::Arm64, TargetAbi::Simulator); Target { - llvm_target: visionos_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 Apple visionOS simulator".into()), tier: Some(3), @@ -16,12 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a16".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..base + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos.rs index 03fc2518d1d6..1940a568b396 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos.rs @@ -1,10 +1,10 @@ -use crate::spec::base::apple::{opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let base = opts("watchos", Arch::Arm64, TargetAbi::Normal); + let (opts, llvm_target, arch) = base("watchos", Arch::Arm64, TargetAbi::Normal); Target { - llvm_target: "aarch64-apple-watchos".into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 Apple WatchOS".into()), tier: Some(3), @@ -13,13 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: "aarch64".into(), + arch, options: TargetOptions { features: "+v8a,+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), dynamic_linking: false, position_independent_executables: true, - ..base + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos_sim.rs b/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos_sim.rs index 13e2b9617948..6beef11c5041 100644 --- a/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos_sim.rs +++ b/compiler/rustc_target/src/spec/targets/aarch64_apple_watchos_sim.rs @@ -1,14 +1,10 @@ -use crate::spec::base::apple::{opts, watchos_sim_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64; + let (opts, llvm_target, arch) = base("watchos", Arch::Arm64, TargetAbi::Simulator); Target { - // Clang automatically chooses a more specific target based on - // WATCHOS_DEPLOYMENT_TARGET. - // This is required for the simulator target to pick the right - // MACH-O commands, so we do too. - llvm_target: watchos_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64 Apple WatchOS Simulator".into()), tier: Some(3), @@ -17,12 +13,12 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..opts("watchos", arch, TargetAbi::Simulator) + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/arm64_32_apple_watchos.rs b/compiler/rustc_target/src/spec/targets/arm64_32_apple_watchos.rs index f292ee7f5631..e9f4d9330d5f 100644 --- a/compiler/rustc_target/src/spec/targets/arm64_32_apple_watchos.rs +++ b/compiler/rustc_target/src/spec/targets/arm64_32_apple_watchos.rs @@ -1,11 +1,10 @@ -use crate::spec::base::apple::{opts, watchos_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64_32; - let base = opts("watchos", arch, TargetAbi::Normal); + let (opts, llvm_target, arch) = base("watchos", Arch::Arm64_32, TargetAbi::Normal); Target { - llvm_target: watchos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("Arm Apple WatchOS 64-bit with 32-bit pointers".into()), tier: Some(3), @@ -14,13 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 32, data_layout: "e-m:o-p:32:32-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: "aarch64".into(), + arch, options: TargetOptions { features: "+v8a,+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), dynamic_linking: false, position_independent_executables: true, - ..base + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/arm64e_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/arm64e_apple_darwin.rs index e86b8358a9c9..4f7c945b9fe4 100644 --- a/compiler/rustc_target/src/spec/targets/arm64e_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/targets/arm64e_apple_darwin.rs @@ -1,20 +1,10 @@ -use crate::spec::base::apple::{macos_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64e; - let mut base = opts("macos", arch, TargetAbi::Normal); - base.cpu = "apple-m1".into(); - base.max_atomic_width = Some(128); - - // FIXME: The leak sanitizer currently fails the tests, see #88132. - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("macos", Arch::Arm64e, TargetAbi::Normal); Target { - // Clang automatically chooses a more specific target based on - // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work - // correctly, we do too. - llvm_target: macos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64e Apple Darwin".into()), tier: Some(3), @@ -23,11 +13,15 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { mcount: "\u{1}mcount".into(), frame_pointer: FramePointer::NonLeaf, - ..base + cpu: "apple-m1".into(), + max_atomic_width: Some(128), + // FIXME: The leak sanitizer currently fails the tests, see #88132. + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/arm64e_apple_ios.rs b/compiler/rustc_target/src/spec/targets/arm64e_apple_ios.rs index fcb850f44bc8..8f192fe28860 100644 --- a/compiler/rustc_target/src/spec/targets/arm64e_apple_ios.rs +++ b/compiler/rustc_target/src/spec/targets/arm64e_apple_ios.rs @@ -1,17 +1,10 @@ -use crate::spec::base::apple::{ios_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Arm64e; - let mut base = opts("ios", arch, TargetAbi::Normal); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("ios", Arch::Arm64e, TargetAbi::Normal); Target { - // Clang automatically chooses a more specific target based on - // IPHONEOS_DEPLOYMENT_TARGET. - // This is required for the target to pick the right - // MACH-O commands, so we do too. - llvm_target: ios_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("ARM64e Apple iOS".into()), tier: Some(3), @@ -20,12 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 64, data_layout: "e-m:o-i64:64-i128:128-n32:64-S128-Fn32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+neon,+fp-armv8,+apple-a12,+v8.3a,+pauth".into(), max_atomic_width: Some(128), frame_pointer: FramePointer::NonLeaf, - ..base + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::THREAD, + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/armv7k_apple_watchos.rs b/compiler/rustc_target/src/spec/targets/armv7k_apple_watchos.rs index 35de6b35eaf2..8fe27f60e0af 100644 --- a/compiler/rustc_target/src/spec/targets/armv7k_apple_watchos.rs +++ b/compiler/rustc_target/src/spec/targets/armv7k_apple_watchos.rs @@ -1,10 +1,10 @@ -use crate::spec::base::apple::{opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Armv7k; + let (opts, llvm_target, arch) = base("watchos", Arch::Armv7k, TargetAbi::Normal); Target { - llvm_target: "armv7k-apple-watchos".into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("Armv7-A Apple WatchOS".into()), tier: Some(3), @@ -13,13 +13,13 @@ pub(crate) fn target() -> Target { }, pointer_width: 32, data_layout: "e-m:o-p:32:32-Fi8-i64:64-a:0:32-n32-S128".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+v7,+vfp4,+neon".into(), max_atomic_width: Some(64), dynamic_linking: false, position_independent_executables: true, - ..opts("watchos", arch, TargetAbi::Normal) + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/armv7s_apple_ios.rs b/compiler/rustc_target/src/spec/targets/armv7s_apple_ios.rs index 41eaa79d3eb2..deee6985f1a4 100644 --- a/compiler/rustc_target/src/spec/targets/armv7s_apple_ios.rs +++ b/compiler/rustc_target/src/spec/targets/armv7s_apple_ios.rs @@ -1,10 +1,10 @@ -use crate::spec::base::apple::{ios_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::Armv7s; + let (opts, llvm_target, arch) = base("ios", Arch::Armv7s, TargetAbi::Normal); Target { - llvm_target: ios_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("Armv7-A Apple-A6 Apple iOS".into()), tier: Some(3), @@ -13,11 +13,11 @@ pub(crate) fn target() -> Target { }, pointer_width: 32, data_layout: "e-m:o-p:32:32-Fi8-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32".into(), - arch: arch.target_arch(), + arch, options: TargetOptions { features: "+v7,+vfp4,+neon".into(), max_atomic_width: Some(64), - ..opts("ios", arch, TargetAbi::Normal) + ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/i386_apple_ios.rs b/compiler/rustc_target/src/spec/targets/i386_apple_ios.rs index 263393fd536c..dc14cb3ec767 100644 --- a/compiler/rustc_target/src/spec/targets/i386_apple_ios.rs +++ b/compiler/rustc_target/src/spec/targets/i386_apple_ios.rs @@ -1,17 +1,12 @@ -use crate::spec::base::apple::{ios_sim_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::I386; // i386-apple-ios is a simulator target, even though it isn't declared // that way in the target name like the other ones... - let abi = TargetAbi::Simulator; + let (opts, llvm_target, arch) = base("ios", Arch::I386, TargetAbi::Simulator); Target { - // Clang automatically chooses a more specific target based on - // IPHONEOS_DEPLOYMENT_TARGET. - // This is required for the target to pick the right - // MACH-O commands, so we do too. - llvm_target: ios_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("32-bit x86 iOS".into()), tier: Some(3), @@ -22,7 +17,7 @@ pub(crate) fn target() -> Target { data_layout: "e-m:o-p:32:32-p270:32:32-p271:32:32-p272:64:64-\ i128:128-f64:32:64-f80:128-n8:16:32-S128" .into(), - arch: arch.target_arch(), - options: TargetOptions { max_atomic_width: Some(64), ..opts("ios", arch, abi) }, + arch, + options: TargetOptions { max_atomic_width: Some(64), ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs index f7045a97bbbf..67afe35bee40 100644 --- a/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/targets/i686_apple_darwin.rs @@ -1,18 +1,12 @@ -use crate::spec::base::apple::{macos_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::I686; - let mut base = opts("macos", arch, TargetAbi::Normal); - base.max_atomic_width = Some(64); - base.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m32"]); - base.frame_pointer = FramePointer::Always; + let (mut opts, llvm_target, arch) = base("macos", Arch::I686, TargetAbi::Normal); + opts.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m32"]); Target { - // Clang automatically chooses a more specific target based on - // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work - // correctly, we do too. - llvm_target: macos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("32-bit macOS (10.12+, Sierra+)".into()), tier: Some(3), @@ -23,7 +17,12 @@ pub(crate) fn target() -> Target { data_layout: "e-m:o-p:32:32-p270:32:32-p271:32:32-p272:64:64-\ i128:128-f64:32:64-f80:128-n8:16:32-S128" .into(), - arch: arch.target_arch(), - options: TargetOptions { mcount: "\u{1}mcount".into(), ..base }, + arch, + options: TargetOptions { + mcount: "\u{1}mcount".into(), + max_atomic_width: Some(64), + frame_pointer: FramePointer::Always, + ..opts + }, } } diff --git a/compiler/rustc_target/src/spec/targets/x86_64_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/x86_64_apple_darwin.rs index 7bf18026735d..e7f14aa92096 100644 --- a/compiler/rustc_target/src/spec/targets/x86_64_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/targets/x86_64_apple_darwin.rs @@ -1,20 +1,11 @@ -use crate::spec::base::apple::{macos_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::X86_64; - let mut base = opts("macos", arch, TargetAbi::Normal); - base.max_atomic_width = Some(128); // penryn+ supports cmpxchg16b - base.frame_pointer = FramePointer::Always; - base.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m64"]); - base.supported_sanitizers = - SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::LEAK | SanitizerSet::THREAD; - + let (mut opts, llvm_target, arch) = base("macos", Arch::X86_64, TargetAbi::Normal); + opts.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m64"]); Target { - // Clang automatically chooses a more specific target based on - // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work - // correctly, we do too. - llvm_target: macos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("64-bit macOS (10.12+, Sierra+)".into()), tier: Some(1), @@ -24,7 +15,16 @@ pub(crate) fn target() -> Target { pointer_width: 64, data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(), - arch: arch.target_arch(), - options: TargetOptions { mcount: "\u{1}mcount".into(), ..base }, + arch, + options: TargetOptions { + mcount: "\u{1}mcount".into(), + max_atomic_width: Some(128), // penryn+ supports cmpxchg16b + frame_pointer: FramePointer::Always, + supported_sanitizers: SanitizerSet::ADDRESS + | SanitizerSet::CFI + | SanitizerSet::LEAK + | SanitizerSet::THREAD, + ..opts + }, } } diff --git a/compiler/rustc_target/src/spec/targets/x86_64_apple_ios.rs b/compiler/rustc_target/src/spec/targets/x86_64_apple_ios.rs index 76a0bb1d91ee..847c4f011f9f 100644 --- a/compiler/rustc_target/src/spec/targets/x86_64_apple_ios.rs +++ b/compiler/rustc_target/src/spec/targets/x86_64_apple_ios.rs @@ -1,15 +1,12 @@ -use crate::spec::base::apple::{ios_sim_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::X86_64; // x86_64-apple-ios is a simulator target, even though it isn't declared // that way in the target name like the other ones... - let mut base = opts("ios", arch, TargetAbi::Simulator); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("ios", Arch::X86_64, TargetAbi::Simulator); Target { - llvm_target: ios_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("64-bit x86 iOS".into()), tier: Some(2), @@ -19,7 +16,11 @@ pub(crate) fn target() -> Target { pointer_width: 64, data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(), - arch: arch.target_arch(), - options: TargetOptions { max_atomic_width: Some(128), ..base }, + arch, + options: TargetOptions { + max_atomic_width: Some(128), + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::THREAD, + ..opts + }, } } diff --git a/compiler/rustc_target/src/spec/targets/x86_64_apple_ios_macabi.rs b/compiler/rustc_target/src/spec/targets/x86_64_apple_ios_macabi.rs index f66efbbf709d..042079f800b9 100644 --- a/compiler/rustc_target/src/spec/targets/x86_64_apple_ios_macabi.rs +++ b/compiler/rustc_target/src/spec/targets/x86_64_apple_ios_macabi.rs @@ -1,13 +1,10 @@ -use crate::spec::base::apple::{mac_catalyst_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::X86_64; - let mut base = opts("ios", arch, TargetAbi::MacCatalyst); - base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD; - + let (opts, llvm_target, arch) = base("ios", Arch::X86_64, TargetAbi::MacCatalyst); Target { - llvm_target: mac_catalyst_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("Apple Catalyst on x86_64".into()), tier: Some(2), @@ -17,7 +14,11 @@ pub(crate) fn target() -> Target { pointer_width: 64, data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(), - arch: arch.target_arch(), - options: TargetOptions { max_atomic_width: Some(128), ..base }, + arch, + options: TargetOptions { + max_atomic_width: Some(128), + supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD, + ..opts + }, } } diff --git a/compiler/rustc_target/src/spec/targets/x86_64_apple_tvos.rs b/compiler/rustc_target/src/spec/targets/x86_64_apple_tvos.rs index f9d5f6e77d9f..947086097908 100644 --- a/compiler/rustc_target/src/spec/targets/x86_64_apple_tvos.rs +++ b/compiler/rustc_target/src/spec/targets/x86_64_apple_tvos.rs @@ -1,13 +1,12 @@ -use crate::spec::base::apple::{opts, tvos_sim_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::X86_64; // x86_64-apple-tvos is a simulator target, even though it isn't declared // that way in the target name like the other ones... - let abi = TargetAbi::Simulator; + let (opts, llvm_target, arch) = base("tvos", Arch::X86_64, TargetAbi::Simulator); Target { - llvm_target: tvos_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("x86 64-bit tvOS".into()), tier: Some(3), @@ -17,7 +16,7 @@ pub(crate) fn target() -> Target { pointer_width: 64, data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(), - arch: arch.target_arch(), - options: TargetOptions { max_atomic_width: Some(128), ..opts("tvos", arch, abi) }, + arch, + options: TargetOptions { max_atomic_width: Some(128), ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/x86_64_apple_watchos_sim.rs b/compiler/rustc_target/src/spec/targets/x86_64_apple_watchos_sim.rs index 1fced10c895e..1dab95988601 100644 --- a/compiler/rustc_target/src/spec/targets/x86_64_apple_watchos_sim.rs +++ b/compiler/rustc_target/src/spec/targets/x86_64_apple_watchos_sim.rs @@ -1,10 +1,10 @@ -use crate::spec::base::apple::{opts, watchos_sim_llvm_target, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::X86_64; + let (opts, llvm_target, arch) = base("watchos", Arch::X86_64, TargetAbi::Simulator); Target { - llvm_target: watchos_sim_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("x86 64-bit Apple WatchOS simulator".into()), tier: Some(3), @@ -14,10 +14,7 @@ pub(crate) fn target() -> Target { pointer_width: 64, data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(), - arch: arch.target_arch(), - options: TargetOptions { - max_atomic_width: Some(128), - ..opts("watchos", arch, TargetAbi::Simulator) - }, + arch, + options: TargetOptions { max_atomic_width: Some(128), ..opts }, } } diff --git a/compiler/rustc_target/src/spec/targets/x86_64h_apple_darwin.rs b/compiler/rustc_target/src/spec/targets/x86_64h_apple_darwin.rs index 9b9ffe4e5360..f44bc660a62f 100644 --- a/compiler/rustc_target/src/spec/targets/x86_64h_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/targets/x86_64h_apple_darwin.rs @@ -1,13 +1,12 @@ -use crate::spec::base::apple::{macos_llvm_target, opts, Arch, TargetAbi}; +use crate::spec::base::apple::{base, Arch, TargetAbi}; use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, SanitizerSet, Target, TargetOptions}; pub(crate) fn target() -> Target { - let arch = Arch::X86_64h; - let mut base = opts("macos", arch, TargetAbi::Normal); - base.max_atomic_width = Some(128); - base.frame_pointer = FramePointer::Always; - base.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m64"]); - base.supported_sanitizers = + let (mut opts, llvm_target, arch) = base("macos", Arch::X86_64h, TargetAbi::Normal); + opts.max_atomic_width = Some(128); + opts.frame_pointer = FramePointer::Always; + opts.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m64"]); + opts.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::LEAK | SanitizerSet::THREAD; // x86_64h is core2-avx without a few of the features which would otherwise @@ -20,19 +19,16 @@ pub(crate) fn target() -> Target { // It would be nice if this were not the case, but fixing it seems tricky // (and given that the main use-case for this target is for use in universal // binaries, probably not that important). - base.features = "-rdrnd,-aes,-pclmul,-rtm,-fsgsbase".into(); + opts.features = "-rdrnd,-aes,-pclmul,-rtm,-fsgsbase".into(); // Double-check that the `cpu` is what we expect (if it's not the list above // may need updating). assert_eq!( - base.cpu, "core-avx2", + opts.cpu, "core-avx2", "you need to adjust the feature list in x86_64h-apple-darwin if you change this", ); Target { - // Clang automatically chooses a more specific target based on - // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work - // correctly, we do too. - llvm_target: macos_llvm_target(arch).into(), + llvm_target, metadata: crate::spec::TargetMetadata { description: Some("macOS with late-gen Intel (at least Haswell)".into()), tier: Some(3), @@ -42,7 +38,7 @@ pub(crate) fn target() -> Target { pointer_width: 64, data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(), - arch: arch.target_arch(), - options: TargetOptions { mcount: "\u{1}mcount".into(), ..base }, + arch, + options: TargetOptions { mcount: "\u{1}mcount".into(), ..opts }, } } From bd56857e31e9324d867a4d3184301a1ef510d316 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Wed, 21 Aug 2024 15:35:28 +0200 Subject: [PATCH 046/149] Apple: Add comments for `-platform_version` linker argument --- .../rustc_target/src/spec/base/apple/mod.rs | 47 ++++++++++++++----- 1 file changed, 35 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_target/src/spec/base/apple/mod.rs b/compiler/rustc_target/src/spec/base/apple/mod.rs index 2ca6b7d32ca4..b1fe49f76caa 100644 --- a/compiler/rustc_target/src/spec/base/apple/mod.rs +++ b/compiler/rustc_target/src/spec/base/apple/mod.rs @@ -117,18 +117,6 @@ impl TargetAbi { } fn pre_link_args(os: &'static str, arch: Arch, abi: TargetAbi) -> LinkArgs { - let platform_name: StaticCow = match abi { - TargetAbi::Normal => os.into(), - TargetAbi::Simulator => format!("{os}-simulator").into(), - TargetAbi::MacCatalyst => "mac-catalyst".into(), - }; - - let min_version: StaticCow = { - let (major, minor, patch) = deployment_target(os, arch, abi); - format!("{major}.{minor}.{patch}").into() - }; - let sdk_version = min_version.clone(); - // From the man page for ld64 (`man ld`): // > The linker accepts universal (multiple-architecture) input files, // > but always creates a "thin" (single-architecture), standard Mach-O @@ -140,11 +128,46 @@ fn pre_link_args(os: &'static str, arch: Arch, abi: TargetAbi) -> LinkArgs { let mut args = TargetOptions::link_args(LinkerFlavor::Darwin(Cc::No, Lld::No), &["-arch", arch.ld_arch()]); + // From the man page for ld64 (`man ld`): + // > This is set to indicate the platform, oldest supported version of + // > that platform that output is to be used on, and the SDK that the + // > output was built against. platform [...] may be one of the following + // > strings: + // > - macos + // > - ios + // > - tvos + // > - watchos + // > - bridgeos + // > - visionos + // > - xros + // > - mac-catalyst + // > - ios-simulator + // > - tvos-simulator + // > - watchos-simulator + // > - visionos-simulator + // > - xros-simulator + // > - driverkit + // + // Like with `-arch`, the linker can figure out the platform versions + // itself from the binaries being linked, but to be safe, we specify the + // desired versions here explicitly. + let platform_name: StaticCow = match abi { + TargetAbi::Normal => os.into(), + TargetAbi::Simulator => format!("{os}-simulator").into(), + TargetAbi::MacCatalyst => "mac-catalyst".into(), + }; + let min_version: StaticCow = { + let (major, minor, patch) = deployment_target(os, arch, abi); + format!("{major}.{minor}.{patch}").into() + }; + // Lie about the SDK version, we don't know it here + let sdk_version = min_version.clone(); add_link_args_iter( &mut args, LinkerFlavor::Darwin(Cc::No, Lld::No), ["-platform_version".into(), platform_name, min_version, sdk_version].into_iter(), ); + if abi != TargetAbi::MacCatalyst { // CC forwards the `-arch` to the linker, so we use the same value // here intentionally. From 1a893ac648e03732aaa8b5371b602ab683970b0d Mon Sep 17 00:00:00 2001 From: lcnr Date: Fri, 1 Mar 2024 12:33:42 +0100 Subject: [PATCH 047/149] stabilize `-Znext-solver=coherence` --- compiler/rustc_interface/src/tests.rs | 2 +- compiler/rustc_middle/src/ty/context.rs | 4 +- compiler/rustc_session/src/config.rs | 5 ++ compiler/rustc_session/src/options.rs | 31 +++---- .../src/traits/engine.rs | 4 +- .../associated-types-coherence-failure.stderr | 8 +- .../opaque_type_candidate_selection.rs | 30 ------- ...e-negative-outlives-lifetimes.stock.stderr | 2 + ...s-lifetimes.with_negative_coherence.stderr | 2 + ...overlap-negate-not-use-feature-gate.stderr | 2 + ...unnormalizable-projection-0.classic.stderr | 1 - ...unnormalizable-projection-1.classic.stderr | 2 +- ...oherence-check-placeholder-outlives.stderr | 2 + ...oherence-considering-regions.any_lt.stderr | 2 + ...constraints-on-unification.explicit.stderr | 1 + .../normalize-for-errors.current.stderr | 5 +- tests/ui/coherence/normalize-for-errors.rs | 6 +- .../ui/coherence/normalize-for-errors.stderr | 15 ++++ .../occurs-check/associated-type.old.stderr | 8 +- .../occurs-check/opaques.current.stderr | 12 +++ .../occurs-check/opaques.next.stderr | 4 +- tests/ui/coherence/occurs-check/opaques.rs | 7 +- ...reporting-if-references-err.current.stderr | 17 +--- .../skip-reporting-if-references-err.rs | 6 -- .../skip-reporting-if-references-err.stderr | 14 ++++ .../super-trait-knowable-1.current.stderr | 13 --- .../super-traits/super-trait-knowable-1.rs | 6 +- .../super-trait-knowable-3.current.stderr | 13 --- .../super-traits/super-trait-knowable-3.rs | 6 +- .../unevaluated-const-ice-119731.rs | 1 + .../unevaluated-const-ice-119731.stderr | 23 +++-- ...nown-alias-defkind-anonconst-ice-116710.rs | 1 - ...-alias-defkind-anonconst-ice-116710.stderr | 14 +--- tests/ui/error-codes/e0119/issue-23563.stderr | 2 +- ...eature-gate-with_negative_coherence.stderr | 2 + .../structually-relate-aliases.rs | 3 +- .../structually-relate-aliases.stderr | 33 +++----- .../auto-trait-coherence.old.stderr | 4 +- tests/ui/impl-trait/auto-trait-coherence.rs | 6 +- .../ui/impl-trait/auto-trait-coherence.stderr | 12 +++ .../impl-trait/coherence-treats-tait-ambig.rs | 2 +- .../coherence-treats-tait-ambig.stderr | 2 +- tests/ui/impl-trait/negative-reasoning.rs | 2 +- tests/ui/impl-trait/negative-reasoning.stderr | 6 +- tests/ui/impl-unused-tps.rs | 46 +++++----- tests/ui/impl-unused-tps.stderr | 84 ++++++++++++------- tests/ui/issues/issue-48728.rs | 8 +- .../defaultimpl/specialization-no-default.rs | 3 +- ...efault-items-drop-coherence.current.stderr | 12 +++ ...n-default-items-drop-coherence.next.stderr | 2 +- ...ialization-default-items-drop-coherence.rs | 8 +- ...lization-overlap-projection.current.stderr | 22 ++++- ...cialization-overlap-projection.next.stderr | 6 +- .../specialization-overlap-projection.rs | 13 +-- .../specialization-overlap-projection.stderr | 30 +++++++ tests/ui/traits/alias/issue-83613.rs | 2 +- tests/ui/traits/alias/issue-83613.stderr | 4 +- tests/ui/traits/issue-105231.rs | 3 +- tests/ui/traits/issue-105231.stderr | 22 ++--- .../cycle-via-builtin-auto-trait-impl.rs | 2 +- .../cycle-via-builtin-auto-trait-impl.stderr | 26 ++---- .../impl_trait_for_same_tait.stderr | 2 - .../ui/type-alias-impl-trait/issue-104817.rs | 2 +- .../issue-104817.stock.stderr | 4 +- 64 files changed, 326 insertions(+), 318 deletions(-) delete mode 100644 tests/ui/auto-traits/opaque_type_candidate_selection.rs create mode 100644 tests/ui/coherence/normalize-for-errors.stderr create mode 100644 tests/ui/coherence/occurs-check/opaques.current.stderr create mode 100644 tests/ui/coherence/skip-reporting-if-references-err.stderr delete mode 100644 tests/ui/coherence/super-traits/super-trait-knowable-1.current.stderr delete mode 100644 tests/ui/coherence/super-traits/super-trait-knowable-3.current.stderr create mode 100644 tests/ui/impl-trait/auto-trait-coherence.stderr create mode 100644 tests/ui/specialization/specialization-default-items-drop-coherence.current.stderr create mode 100644 tests/ui/specialization/specialization-overlap-projection.stderr diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 42fed98df010..50422df8ee64 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -808,7 +808,7 @@ fn test_unstable_options_tracking_hash() { tracked!(mir_opt_level, Some(4)); tracked!(move_size_limit, Some(4096)); tracked!(mutable_noalias, false); - tracked!(next_solver, Some(NextSolverConfig { coherence: true, globally: false })); + tracked!(next_solver, NextSolverConfig { coherence: true, globally: true }); tracked!(no_generate_arange_section, true); tracked!(no_jump_tables, true); tracked!(no_link, true); diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 20828067c469..599c16f31832 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -3128,11 +3128,11 @@ impl<'tcx> TyCtxt<'tcx> { } pub fn next_trait_solver_globally(self) -> bool { - self.sess.opts.unstable_opts.next_solver.map_or(false, |c| c.globally) + self.sess.opts.unstable_opts.next_solver.globally } pub fn next_trait_solver_in_coherence(self) -> bool { - self.sess.opts.unstable_opts.next_solver.map_or(false, |c| c.coherence) + self.sess.opts.unstable_opts.next_solver.coherence } pub fn is_impl_trait_in_trait(self, def_id: DefId) -> bool { diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 908d50a041ef..f3e3b36111c5 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -842,6 +842,11 @@ pub struct NextSolverConfig { /// This is only `true` if `coherence` is also enabled. pub globally: bool, } +impl Default for NextSolverConfig { + fn default() -> Self { + NextSolverConfig { coherence: true, globally: false } + } +} #[derive(Clone)] pub enum Input { diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 45339c23ea3e..a57dc80b3168 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -403,7 +403,7 @@ mod desc { pub(crate) const parse_unpretty: &str = "`string` or `string=string`"; pub(crate) const parse_treat_err_as_bug: &str = "either no value or a non-negative number"; pub(crate) const parse_next_solver_config: &str = - "a comma separated list of solver configurations: `globally` (default), and `coherence`"; + "either `globally` (when used without an argument), `coherence` (default) or `no`"; pub(crate) const parse_lto: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted"; pub(crate) const parse_linker_plugin_lto: &str = @@ -1105,27 +1105,16 @@ mod parse { } } - pub(crate) fn parse_next_solver_config( - slot: &mut Option, - v: Option<&str>, - ) -> bool { + pub(crate) fn parse_next_solver_config(slot: &mut NextSolverConfig, v: Option<&str>) -> bool { if let Some(config) = v { - let mut coherence = false; - let mut globally = true; - for c in config.split(',') { - match c { - "globally" => globally = true, - "coherence" => { - globally = false; - coherence = true; - } - _ => return false, - } - } - - *slot = Some(NextSolverConfig { coherence: coherence || globally, globally }); + *slot = match config { + "no" => NextSolverConfig { coherence: false, globally: false }, + "coherence" => NextSolverConfig { coherence: true, globally: false }, + "globally" => NextSolverConfig { coherence: true, globally: true }, + _ => return false, + }; } else { - *slot = Some(NextSolverConfig { coherence: true, globally: true }); + *slot = NextSolverConfig { coherence: true, globally: true }; } true @@ -1878,7 +1867,7 @@ options! { "the size at which the `large_assignments` lint starts to be emitted"), mutable_noalias: bool = (true, parse_bool, [TRACKED], "emit noalias metadata for mutable references (default: yes)"), - next_solver: Option = (None, parse_next_solver_config, [TRACKED], + next_solver: NextSolverConfig = (NextSolverConfig::default(), parse_next_solver_config, [TRACKED], "enable and configure the next generation trait solver used by rustc"), nll_facts: bool = (false, parse_bool, [UNTRACKED], "dump facts from NLL analysis into side files (default: no)"), diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index de1d4ef15ace..c8811bc37b31 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -35,10 +35,8 @@ where if infcx.next_trait_solver() { Box::new(NextFulfillmentCtxt::new(infcx)) } else { - let new_solver_globally = - infcx.tcx.sess.opts.unstable_opts.next_solver.map_or(false, |c| c.globally); assert!( - !new_solver_globally, + !infcx.tcx.next_trait_solver_globally(), "using old solver even though new solver is enabled globally" ); Box::new(FulfillmentContext::new(infcx)) diff --git a/tests/ui/associated-types/associated-types-coherence-failure.stderr b/tests/ui/associated-types/associated-types-coherence-failure.stderr index 211613b37149..25c22e5f82ac 100644 --- a/tests/ui/associated-types/associated-types-coherence-failure.stderr +++ b/tests/ui/associated-types/associated-types-coherence-failure.stderr @@ -1,20 +1,20 @@ -error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `Cow<'_, _>` +error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `<_ as ToOwned>::Owned` --> $DIR/associated-types-coherence-failure.rs:21:1 | LL | impl<'a, B: ?Sized> IntoCow<'a, B> for ::Owned where B: ToOwned { | ----------------------------------------------------------------------------- first implementation here ... LL | impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Cow<'_, _>` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as ToOwned>::Owned` -error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `&_` +error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `<_ as ToOwned>::Owned` --> $DIR/associated-types-coherence-failure.rs:28:1 | LL | impl<'a, B: ?Sized> IntoCow<'a, B> for ::Owned where B: ToOwned { | ----------------------------------------------------------------------------- first implementation here ... LL | impl<'a, B: ?Sized> IntoCow<'a, B> for &'a B where B: ToOwned { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as ToOwned>::Owned` error: aborting due to 2 previous errors diff --git a/tests/ui/auto-traits/opaque_type_candidate_selection.rs b/tests/ui/auto-traits/opaque_type_candidate_selection.rs deleted file mode 100644 index d6973b76a6e1..000000000000 --- a/tests/ui/auto-traits/opaque_type_candidate_selection.rs +++ /dev/null @@ -1,30 +0,0 @@ -//! used to ICE: #119272 - -//@ check-pass - -#![feature(type_alias_impl_trait)] -mod defining_scope { - use super::*; - pub type Alias = impl Sized; - - pub fn cast(x: Container, T>) -> Container { - x - } -} - -struct Container, U> { - x: >::Assoc, -} - -trait Trait { - type Assoc; -} - -impl Trait for T { - type Assoc = Box; -} -impl Trait for defining_scope::Alias { - type Assoc = usize; -} - -fn main() {} diff --git a/tests/ui/coherence/coherence-negative-outlives-lifetimes.stock.stderr b/tests/ui/coherence/coherence-negative-outlives-lifetimes.stock.stderr index dbb22d8937d5..1d28bb46812c 100644 --- a/tests/ui/coherence/coherence-negative-outlives-lifetimes.stock.stderr +++ b/tests/ui/coherence/coherence-negative-outlives-lifetimes.stock.stderr @@ -5,6 +5,8 @@ LL | impl<'a, T: MyPredicate<'a>> MyTrait<'a> for T {} | ---------------------------------------------- first implementation here LL | impl<'a, T> MyTrait<'a> for &'a T {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` + | + = note: downstream crates may implement trait `MyPredicate<'_>` for type `&_` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/coherence-negative-outlives-lifetimes.with_negative_coherence.stderr b/tests/ui/coherence/coherence-negative-outlives-lifetimes.with_negative_coherence.stderr index dbb22d8937d5..1d28bb46812c 100644 --- a/tests/ui/coherence/coherence-negative-outlives-lifetimes.with_negative_coherence.stderr +++ b/tests/ui/coherence/coherence-negative-outlives-lifetimes.with_negative_coherence.stderr @@ -5,6 +5,8 @@ LL | impl<'a, T: MyPredicate<'a>> MyTrait<'a> for T {} | ---------------------------------------------- first implementation here LL | impl<'a, T> MyTrait<'a> for &'a T {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` + | + = note: downstream crates may implement trait `MyPredicate<'_>` for type `&_` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/coherence-overlap-negate-not-use-feature-gate.stderr b/tests/ui/coherence/coherence-overlap-negate-not-use-feature-gate.stderr index 21c82eedd5df..c5bb695eb188 100644 --- a/tests/ui/coherence/coherence-overlap-negate-not-use-feature-gate.stderr +++ b/tests/ui/coherence/coherence-overlap-negate-not-use-feature-gate.stderr @@ -5,6 +5,8 @@ LL | impl Foo for T {} | --------------------------- first implementation here LL | impl Foo for &U {} | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` + | + = note: downstream crates may implement trait `std::ops::DerefMut` for type `&_` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr index 2ffb6000ec82..99abdf65abd5 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr @@ -12,7 +12,6 @@ LL | impl Trait for Box {} | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` | = note: downstream crates may implement trait `WithAssoc<'a>` for type `std::boxed::Box<_>` - = note: downstream crates may implement trait `WhereBound` for type ` as WithAssoc<'a>>::Assoc` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr index 49b236f9d2aa..781ab0fcbf76 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr @@ -12,7 +12,7 @@ LL | impl Trait for Box {} | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` | = note: downstream crates may implement trait `WithAssoc<'a>` for type `std::boxed::Box<_>` - = note: downstream crates may implement trait `WhereBound` for type `std::boxed::Box< as WithAssoc<'a>>::Assoc>` + = note: downstream crates may implement trait `WhereBound` for type `std::boxed::Box<_>` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/negative-coherence-check-placeholder-outlives.stderr b/tests/ui/coherence/negative-coherence-check-placeholder-outlives.stderr index f515c39ea8d1..bf1ffcb5f000 100644 --- a/tests/ui/coherence/negative-coherence-check-placeholder-outlives.stderr +++ b/tests/ui/coherence/negative-coherence-check-placeholder-outlives.stderr @@ -5,6 +5,8 @@ LL | impl Bar for T where T: Foo {} | ------------------------------ first implementation here LL | impl Bar for Box {} | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` + | + = note: downstream crates may implement trait `Foo` for type `std::boxed::Box<_>` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/negative-coherence-considering-regions.any_lt.stderr b/tests/ui/coherence/negative-coherence-considering-regions.any_lt.stderr index f24de10f6ac4..97e2e9759c17 100644 --- a/tests/ui/coherence/negative-coherence-considering-regions.any_lt.stderr +++ b/tests/ui/coherence/negative-coherence-considering-regions.any_lt.stderr @@ -6,6 +6,8 @@ LL | impl Bar for T where T: Foo {} ... LL | impl Bar for &T {} | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` + | + = note: downstream crates may implement trait `Foo` for type `&_` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/negative-coherence-placeholder-region-constraints-on-unification.explicit.stderr b/tests/ui/coherence/negative-coherence-placeholder-region-constraints-on-unification.explicit.stderr index 832c56a45549..8d59cbc3466b 100644 --- a/tests/ui/coherence/negative-coherence-placeholder-region-constraints-on-unification.explicit.stderr +++ b/tests/ui/coherence/negative-coherence-placeholder-region-constraints-on-unification.explicit.stderr @@ -8,6 +8,7 @@ LL | impl FnMarker for fn(&T) {} | = warning: the behavior may change in a future release = note: for more information, see issue #56105 + = note: downstream crates may implement trait `Marker` for type `&_` = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details note: the lint level is defined here --> $DIR/negative-coherence-placeholder-region-constraints-on-unification.rs:4:11 diff --git a/tests/ui/coherence/normalize-for-errors.current.stderr b/tests/ui/coherence/normalize-for-errors.current.stderr index dcbb73bd1ff1..634a10b7a14c 100644 --- a/tests/ui/coherence/normalize-for-errors.current.stderr +++ b/tests/ui/coherence/normalize-for-errors.current.stderr @@ -1,12 +1,13 @@ -error[E0119]: conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, _)` +error[E0119]: conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, <_ as Iterator>::Item)` --> $DIR/normalize-for-errors.rs:17:1 | LL | impl MyTrait for (T, S::Item) {} | ------------------------------------------------------ first implementation here LL | LL | impl MyTrait for (Box<<(MyType,) as Mirror>::Assoc>, S::Item) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(Box<(MyType,)>, _)` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(Box<(MyType,)>, <_ as Iterator>::Item)` | + = note: upstream crates may add a new impl of trait `std::clone::Clone` for type `(MyType,)` in future versions = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::boxed::Box<(MyType,)>` in future versions error: aborting due to 1 previous error diff --git a/tests/ui/coherence/normalize-for-errors.rs b/tests/ui/coherence/normalize-for-errors.rs index c17bb766b5bc..3ef91eb0386c 100644 --- a/tests/ui/coherence/normalize-for-errors.rs +++ b/tests/ui/coherence/normalize-for-errors.rs @@ -1,7 +1,3 @@ -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver - struct MyType; trait MyTrait {} @@ -18,6 +14,6 @@ impl MyTrait for (Box<<(MyType,) as Mirror>::Assoc>, S::Item) {} //~^ ERROR conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, //~| NOTE conflicting implementation for `(Box<(MyType,)>, //~| NOTE upstream crates may add a new impl of trait `std::marker::Copy` for type `std::boxed::Box<(MyType,)>` in future versions -//[next]~| NOTE upstream crates may add a new impl of trait `std::clone::Clone` for type `std::boxed::Box<(MyType,)>` in future versions +//~| NOTE upstream crates may add a new impl of trait `std::clone::Clone` for type `std::boxed::Box<(MyType,)>` in future versions fn main() {} diff --git a/tests/ui/coherence/normalize-for-errors.stderr b/tests/ui/coherence/normalize-for-errors.stderr new file mode 100644 index 000000000000..6fbcf5b0e1ac --- /dev/null +++ b/tests/ui/coherence/normalize-for-errors.stderr @@ -0,0 +1,15 @@ +error[E0119]: conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, <_ as Iterator>::Item)` + --> $DIR/normalize-for-errors.rs:13:1 + | +LL | impl MyTrait for (T, S::Item) {} + | ------------------------------------------------------ first implementation here +LL | +LL | impl MyTrait for (Box<<(MyType,) as Mirror>::Assoc>, S::Item) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(Box<(MyType,)>, <_ as Iterator>::Item)` + | + = note: upstream crates may add a new impl of trait `std::clone::Clone` for type `std::boxed::Box<(MyType,)>` in future versions + = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::boxed::Box<(MyType,)>` in future versions + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/occurs-check/associated-type.old.stderr b/tests/ui/coherence/occurs-check/associated-type.old.stderr index ccc7f30fa6fd..6a4c6fe54a83 100644 --- a/tests/ui/coherence/occurs-check/associated-type.old.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.old.stderr @@ -1,12 +1,8 @@ WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } -error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), _)>` for type `for<'a> fn(&'a (), _)` +error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), ())>` for type `for<'a> fn(&'a (), ())` --> $DIR/associated-type.rs:31:1 | LL | impl Overlap for T { @@ -16,7 +12,7 @@ LL | / impl Overlap fn(&'a (), Assoc<'a, T>)> for T LL | | LL | | where LL | | for<'a> *const T: ToUnit<'a>, - | |_________________________________^ conflicting implementation for `for<'a> fn(&'a (), _)` + | |_________________________________^ conflicting implementation for `for<'a> fn(&'a (), ())` | = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details diff --git a/tests/ui/coherence/occurs-check/opaques.current.stderr b/tests/ui/coherence/occurs-check/opaques.current.stderr new file mode 100644 index 000000000000..96ef7cd4322b --- /dev/null +++ b/tests/ui/coherence/occurs-check/opaques.current.stderr @@ -0,0 +1,12 @@ +error[E0119]: conflicting implementations of trait `Trait<_>` + --> $DIR/opaques.rs:27:1 + | +LL | impl Trait for T { + | ---------------------- first implementation here +... +LL | impl Trait for defining_scope::Alias { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/occurs-check/opaques.next.stderr b/tests/ui/coherence/occurs-check/opaques.next.stderr index 11d1edcca2f9..5b8eb822d258 100644 --- a/tests/ui/coherence/occurs-check/opaques.next.stderr +++ b/tests/ui/coherence/occurs-check/opaques.next.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait<_>` - --> $DIR/opaques.rs:30:1 + --> $DIR/opaques.rs:27:1 | LL | impl Trait for T { | ---------------------- first implementation here @@ -8,7 +8,7 @@ LL | impl Trait for defining_scope::Alias { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation error[E0282]: type annotations needed - --> $DIR/opaques.rs:13:20 + --> $DIR/opaques.rs:10:20 | LL | pub fn cast(x: Container, T>) -> Container { | ^ cannot infer type diff --git a/tests/ui/coherence/occurs-check/opaques.rs b/tests/ui/coherence/occurs-check/opaques.rs index 241a247c8413..d7032dd53d97 100644 --- a/tests/ui/coherence/occurs-check/opaques.rs +++ b/tests/ui/coherence/occurs-check/opaques.rs @@ -1,10 +1,7 @@ -//@revisions: old next +//@revisions: current next //@[next] compile-flags: -Znext-solver // A regression test for #105787 - -//@[old] known-bug: #105787 -//@[old] check-pass #![feature(type_alias_impl_trait)] mod defining_scope { use super::*; @@ -28,7 +25,7 @@ impl Trait for T { type Assoc = Box; } impl Trait for defining_scope::Alias { - //[next]~^ ERROR conflicting implementations of trait + //~^ ERROR conflicting implementations of trait type Assoc = usize; } diff --git a/tests/ui/coherence/skip-reporting-if-references-err.current.stderr b/tests/ui/coherence/skip-reporting-if-references-err.current.stderr index 5eef3256b2c3..5de4cf626e48 100644 --- a/tests/ui/coherence/skip-reporting-if-references-err.current.stderr +++ b/tests/ui/coherence/skip-reporting-if-references-err.current.stderr @@ -9,19 +9,6 @@ help: indicate the anonymous lifetime LL | impl ToUnit<'_> for T {} | ++++ -error[E0277]: the trait bound `for<'a> (): ToUnit<'a>` is not satisfied - --> $DIR/skip-reporting-if-references-err.rs:15:29 - | -LL | impl Overlap for for<'a> fn(<() as ToUnit<'a>>::Unit) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> ToUnit<'a>` is not implemented for `()` +error: aborting due to 1 previous error -error[E0277]: the trait bound `for<'a> (): ToUnit<'a>` is not satisfied - --> $DIR/skip-reporting-if-references-err.rs:15:18 - | -LL | impl Overlap for for<'a> fn(<() as ToUnit<'a>>::Unit) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> ToUnit<'a>` is not implemented for `()` - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0277, E0726. -For more information about an error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0726`. diff --git a/tests/ui/coherence/skip-reporting-if-references-err.rs b/tests/ui/coherence/skip-reporting-if-references-err.rs index f9eaa498232d..dd8a71c4700f 100644 --- a/tests/ui/coherence/skip-reporting-if-references-err.rs +++ b/tests/ui/coherence/skip-reporting-if-references-err.rs @@ -1,8 +1,4 @@ // Regression test for #121006. -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver - trait ToUnit<'a> { type Unit; } @@ -13,7 +9,5 @@ impl ToUnit for T {} trait Overlap {} impl Overlap for fn(U) {} impl Overlap for for<'a> fn(<() as ToUnit<'a>>::Unit) {} -//[current]~^ ERROR the trait bound `for<'a> (): ToUnit<'a>` is not satisfied -//[current]~| ERROR the trait bound `for<'a> (): ToUnit<'a>` is not satisfied fn main() {} diff --git a/tests/ui/coherence/skip-reporting-if-references-err.stderr b/tests/ui/coherence/skip-reporting-if-references-err.stderr new file mode 100644 index 000000000000..0ff3e88a0af9 --- /dev/null +++ b/tests/ui/coherence/skip-reporting-if-references-err.stderr @@ -0,0 +1,14 @@ +error[E0726]: implicit elided lifetime not allowed here + --> $DIR/skip-reporting-if-references-err.rs:6:9 + | +LL | impl ToUnit for T {} + | ^^^^^^ expected lifetime parameter + | +help: indicate the anonymous lifetime + | +LL | impl ToUnit<'_> for T {} + | ++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0726`. diff --git a/tests/ui/coherence/super-traits/super-trait-knowable-1.current.stderr b/tests/ui/coherence/super-traits/super-trait-knowable-1.current.stderr deleted file mode 100644 index fb01cf158d98..000000000000 --- a/tests/ui/coherence/super-traits/super-trait-knowable-1.current.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0119]: conflicting implementations of trait `Overlap<_>` for type `()` - --> $DIR/super-trait-knowable-1.rs:16:1 - | -LL | impl> Overlap for U {} - | ----------------------------------- first implementation here -LL | impl Overlap for () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()` - | - = note: downstream crates may implement trait `Sub<_>` for type `()` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/super-traits/super-trait-knowable-1.rs b/tests/ui/coherence/super-traits/super-trait-knowable-1.rs index 80df8c19ee51..77af4d0f2e3a 100644 --- a/tests/ui/coherence/super-traits/super-trait-knowable-1.rs +++ b/tests/ui/coherence/super-traits/super-trait-knowable-1.rs @@ -3,10 +3,7 @@ // We therefore elaborate super trait bounds in the implicit negative // overlap check. -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver -//@[next] check-pass +//@ check-pass trait Super {} trait Sub: Super {} @@ -14,6 +11,5 @@ trait Sub: Super {} trait Overlap {} impl> Overlap for U {} impl Overlap for () {} -//[current]~^ ERROR conflicting implementations fn main() {} diff --git a/tests/ui/coherence/super-traits/super-trait-knowable-3.current.stderr b/tests/ui/coherence/super-traits/super-trait-knowable-3.current.stderr deleted file mode 100644 index 542edb8b7f67..000000000000 --- a/tests/ui/coherence/super-traits/super-trait-knowable-3.current.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0119]: conflicting implementations of trait `Overlap<_>` for type `()` - --> $DIR/super-trait-knowable-3.rs:19:1 - | -LL | impl>> Overlap for U {} - | ---------------------------------------- first implementation here -LL | impl Overlap for () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()` - | - = note: downstream crates may implement trait `Sub<_>` for type `()` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/super-traits/super-trait-knowable-3.rs b/tests/ui/coherence/super-traits/super-trait-knowable-3.rs index 295d7ac48d8c..6198d3d303bd 100644 --- a/tests/ui/coherence/super-traits/super-trait-knowable-3.rs +++ b/tests/ui/coherence/super-traits/super-trait-knowable-3.rs @@ -2,10 +2,7 @@ // super trait bound is in a nested goal so this would not // compile if we were to only elaborate root goals. -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver -//@[next] check-pass +//@ check-pass trait Super {} trait Sub: Super {} @@ -17,6 +14,5 @@ impl, U> Bound> for T {} trait Overlap {} impl>> Overlap for U {} impl Overlap for () {} -//[current]~^ ERROR conflicting implementations of trait `Overlap<_>` for type `()` fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.rs b/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.rs index 05a3487ffca5..42c930f952d1 100644 --- a/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.rs +++ b/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.rs @@ -22,6 +22,7 @@ mod v20 { impl v17<512, v0> { pub const fn v21() -> v18 {} //~^ ERROR cannot find type `v18` in this scope + //~| ERROR duplicate definitions with name `v21` } impl v17 { diff --git a/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr b/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr index 39f022fbee9d..b336f2b3fca5 100644 --- a/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr +++ b/tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr @@ -1,5 +1,5 @@ error[E0432]: unresolved import `v20::v13` - --> $DIR/unevaluated-const-ice-119731.rs:37:15 + --> $DIR/unevaluated-const-ice-119731.rs:38:15 | LL | pub use v20::{v13, v17}; | ^^^ @@ -23,7 +23,7 @@ LL | pub const fn v21() -> v18 {} | ^^^ help: a type alias with a similar name exists: `v11` error[E0412]: cannot find type `v18` in this scope - --> $DIR/unevaluated-const-ice-119731.rs:30:31 + --> $DIR/unevaluated-const-ice-119731.rs:31:31 | LL | pub type v11 = [[usize; v4]; v4]; | --------------------------------- similarly named type alias `v11` defined here @@ -32,7 +32,7 @@ LL | pub const fn v21() -> v18 { | ^^^ help: a type alias with a similar name exists: `v11` error[E0422]: cannot find struct, variant or union type `v18` in this scope - --> $DIR/unevaluated-const-ice-119731.rs:32:13 + --> $DIR/unevaluated-const-ice-119731.rs:33:13 | LL | pub type v11 = [[usize; v4]; v4]; | --------------------------------- similarly named type alias `v11` defined here @@ -73,20 +73,29 @@ LL + #![feature(adt_const_params)] | error: maximum number of nodes exceeded in constant v20::v17::::{constant#1} - --> $DIR/unevaluated-const-ice-119731.rs:27:37 + --> $DIR/unevaluated-const-ice-119731.rs:28:37 | LL | impl v17 { | ^^ error: maximum number of nodes exceeded in constant v20::v17::::{constant#1} - --> $DIR/unevaluated-const-ice-119731.rs:27:37 + --> $DIR/unevaluated-const-ice-119731.rs:28:37 | LL | impl v17 { | ^^ | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 9 previous errors; 2 warnings emitted +error[E0592]: duplicate definitions with name `v21` + --> $DIR/unevaluated-const-ice-119731.rs:23:9 + | +LL | pub const fn v21() -> v18 {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `v21` +... +LL | pub const fn v21() -> v18 { + | ------------------------- other definition for `v21` -Some errors have detailed explanations: E0412, E0422, E0425, E0432. +error: aborting due to 10 previous errors; 2 warnings emitted + +Some errors have detailed explanations: E0412, E0422, E0425, E0432, E0592. For more information about an error, try `rustc --explain E0412`. diff --git a/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.rs b/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.rs index dd0b1e8c9f71..81ac9979bd8c 100644 --- a/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.rs +++ b/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.rs @@ -10,6 +10,5 @@ trait Trait {} impl Trait for A {} impl Trait for A {} -//~^ ERROR conflicting implementations of trait `Trait` for type `A<_>` pub fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.stderr b/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.stderr index 80ac96d48700..e29c49ff0422 100644 --- a/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.stderr +++ b/tests/ui/const-generics/generic_const_exprs/unknown-alias-defkind-anonconst-ice-116710.stderr @@ -4,16 +4,6 @@ error[E0423]: expected value, found builtin type `u8` LL | struct A; | ^^ not a value -error[E0119]: conflicting implementations of trait `Trait` for type `A<_>` - --> $DIR/unknown-alias-defkind-anonconst-ice-116710.rs:12:1 - | -LL | impl Trait for A {} - | --------------------------------- first implementation here -LL | -LL | impl Trait for A {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `A<_>` +error: aborting due to 1 previous error -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0119, E0423. -For more information about an error, try `rustc --explain E0119`. +For more information about this error, try `rustc --explain E0423`. diff --git a/tests/ui/error-codes/e0119/issue-23563.stderr b/tests/ui/error-codes/e0119/issue-23563.stderr index 86737742f749..a308769af131 100644 --- a/tests/ui/error-codes/e0119/issue-23563.stderr +++ b/tests/ui/error-codes/e0119/issue-23563.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `LolFrom<&[_]>` for type `LocalType<_>` +error[E0119]: conflicting implementations of trait `LolFrom<&[u8]>` for type `LocalType` --> $DIR/issue-23563.rs:13:1 | LL | impl<'a, T> LolFrom<&'a [T]> for LocalType { diff --git a/tests/ui/feature-gates/feature-gate-with_negative_coherence.stderr b/tests/ui/feature-gates/feature-gate-with_negative_coherence.stderr index ba076568088b..b32f54aaecfa 100644 --- a/tests/ui/feature-gates/feature-gate-with_negative_coherence.stderr +++ b/tests/ui/feature-gates/feature-gate-with_negative_coherence.stderr @@ -6,6 +6,8 @@ LL | impl Foo for T { } LL | LL | impl Foo for &T { } | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` + | + = note: downstream crates may implement trait `std::ops::DerefMut` for type `&_` error: aborting due to 1 previous error diff --git a/tests/ui/higher-ranked/structually-relate-aliases.rs b/tests/ui/higher-ranked/structually-relate-aliases.rs index 8df24702811d..698824509613 100644 --- a/tests/ui/higher-ranked/structually-relate-aliases.rs +++ b/tests/ui/higher-ranked/structually-relate-aliases.rs @@ -11,7 +11,6 @@ type Assoc<'a, T> = >::Unit; impl Overlap for T {} impl Overlap fn(&'a (), Assoc<'a, T>)> for T {} -//~^ ERROR 13:17: 13:49: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied [E0277] -//~| ERROR 13:36: 13:48: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied [E0277] +//~^ ERROR conflicting implementations of trait `Overlap fn(&'a (), _)>` fn main() {} diff --git a/tests/ui/higher-ranked/structually-relate-aliases.stderr b/tests/ui/higher-ranked/structually-relate-aliases.stderr index 7de30efae1cd..4ecd5829bc35 100644 --- a/tests/ui/higher-ranked/structually-relate-aliases.stderr +++ b/tests/ui/higher-ranked/structually-relate-aliases.stderr @@ -1,27 +1,18 @@ WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), .. } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), .. } -error[E0277]: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied - --> $DIR/structually-relate-aliases.rs:13:36 + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), .. } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), .. } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), .. } +error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), _)>` for type `for<'a> fn(&'a (), _)` + --> $DIR/structually-relate-aliases.rs:13:1 | +LL | impl Overlap for T {} + | ------------------------ first implementation here +LL | LL | impl Overlap fn(&'a (), Assoc<'a, T>)> for T {} - | ^^^^^^^^^^^^ the trait `for<'a> ToUnit<'a>` is not implemented for `T` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a> fn(&'a (), _)` | -help: consider restricting type parameter `T` - | -LL | impl ToUnit<'a>> Overlap fn(&'a (), Assoc<'a, T>)> for T {} - | ++++++++++++++++++++ + = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details -error[E0277]: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied - --> $DIR/structually-relate-aliases.rs:13:17 - | -LL | impl Overlap fn(&'a (), Assoc<'a, T>)> for T {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> ToUnit<'a>` is not implemented for `T` - | -help: consider restricting type parameter `T` - | -LL | impl ToUnit<'a>> Overlap fn(&'a (), Assoc<'a, T>)> for T {} - | ++++++++++++++++++++ +error: aborting due to 1 previous error -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/impl-trait/auto-trait-coherence.old.stderr b/tests/ui/impl-trait/auto-trait-coherence.old.stderr index 3f979d1a50b3..cd91bfcb48d7 100644 --- a/tests/ui/impl-trait/auto-trait-coherence.old.stderr +++ b/tests/ui/impl-trait/auto-trait-coherence.old.stderr @@ -1,11 +1,11 @@ -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D` +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D<_>` --> $DIR/auto-trait-coherence.rs:24:1 | LL | impl AnotherTrait for T {} | -------------------------------- first implementation here ... LL | impl AnotherTrait for D { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D<_>` error: aborting due to 1 previous error diff --git a/tests/ui/impl-trait/auto-trait-coherence.rs b/tests/ui/impl-trait/auto-trait-coherence.rs index e3036fd0fe2c..0d7fef21cc92 100644 --- a/tests/ui/impl-trait/auto-trait-coherence.rs +++ b/tests/ui/impl-trait/auto-trait-coherence.rs @@ -1,6 +1,3 @@ -//@ revisions: old next -//@[next] compile-flags: -Znext-solver - // Tests that type alias impls traits do not leak auto-traits for // the purposes of coherence checking #![feature(type_alias_impl_trait)] @@ -22,8 +19,7 @@ impl AnotherTrait for T {} // (We treat opaque types as "foreign types" that could grow more impls // in the future.) impl AnotherTrait for D { - //[old]~^ ERROR conflicting implementations of trait `AnotherTrait` for type `D` - //[next]~^^ ERROR conflicting implementations of trait `AnotherTrait` for type `D<_>` + //~^ ERROR conflicting implementations of trait `AnotherTrait` for type `D<_>` } fn main() {} diff --git a/tests/ui/impl-trait/auto-trait-coherence.stderr b/tests/ui/impl-trait/auto-trait-coherence.stderr new file mode 100644 index 000000000000..e0f4c857717c --- /dev/null +++ b/tests/ui/impl-trait/auto-trait-coherence.stderr @@ -0,0 +1,12 @@ +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D<_>` + --> $DIR/auto-trait-coherence.rs:21:1 + | +LL | impl AnotherTrait for T {} + | -------------------------------- first implementation here +... +LL | impl AnotherTrait for D { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D<_>` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/impl-trait/coherence-treats-tait-ambig.rs b/tests/ui/impl-trait/coherence-treats-tait-ambig.rs index df47208bf367..e8c1fcdd2133 100644 --- a/tests/ui/impl-trait/coherence-treats-tait-ambig.rs +++ b/tests/ui/impl-trait/coherence-treats-tait-ambig.rs @@ -5,7 +5,7 @@ type T = impl Sized; struct Foo; impl Into for Foo { -//~^ ERROR conflicting implementations of trait `Into` for type `Foo` +//~^ ERROR conflicting implementations of trait `Into<_>` for type `Foo` fn into(self) -> T { Foo } diff --git a/tests/ui/impl-trait/coherence-treats-tait-ambig.stderr b/tests/ui/impl-trait/coherence-treats-tait-ambig.stderr index faaad2769271..618bef1f2714 100644 --- a/tests/ui/impl-trait/coherence-treats-tait-ambig.stderr +++ b/tests/ui/impl-trait/coherence-treats-tait-ambig.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Into` for type `Foo` +error[E0119]: conflicting implementations of trait `Into<_>` for type `Foo` --> $DIR/coherence-treats-tait-ambig.rs:7:1 | LL | impl Into for Foo { diff --git a/tests/ui/impl-trait/negative-reasoning.rs b/tests/ui/impl-trait/negative-reasoning.rs index 70e24a3a9d02..0474dc0beda6 100644 --- a/tests/ui/impl-trait/negative-reasoning.rs +++ b/tests/ui/impl-trait/negative-reasoning.rs @@ -17,7 +17,7 @@ impl AnotherTrait for T {} // This is in error, because we cannot assume that `OpaqueType: !Debug` impl AnotherTrait for D { - //~^ ERROR conflicting implementations of trait `AnotherTrait` for type `D` + //~^ ERROR conflicting implementations of trait `AnotherTrait` for type `D<_>` } fn main() {} diff --git a/tests/ui/impl-trait/negative-reasoning.stderr b/tests/ui/impl-trait/negative-reasoning.stderr index 3cb4be16fc3f..631784c817b8 100644 --- a/tests/ui/impl-trait/negative-reasoning.stderr +++ b/tests/ui/impl-trait/negative-reasoning.stderr @@ -1,13 +1,11 @@ -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D` +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D<_>` --> $DIR/negative-reasoning.rs:19:1 | LL | impl AnotherTrait for T {} | ------------------------------------------- first implementation here ... LL | impl AnotherTrait for D { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D` - | - = note: upstream crates may add a new impl of trait `std::marker::FnPtr` for type `OpaqueType` in future versions + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D<_>` error: aborting due to 1 previous error diff --git a/tests/ui/impl-unused-tps.rs b/tests/ui/impl-unused-tps.rs index 3eb9daedf76d..a5836db3c8e6 100644 --- a/tests/ui/impl-unused-tps.rs +++ b/tests/ui/impl-unused-tps.rs @@ -1,34 +1,35 @@ -//~ ERROR overflow evaluating the requirement `([isize; 0], _): Sized - trait Foo { - fn get(&self, A: &A) { } + fn get(&self, A: &A) {} } trait Bar { type Out; } -impl Foo for [isize;0] { +impl Foo for [isize; 0] { // OK, T is used in `Foo`. } -impl Foo for [isize;1] { +impl Foo for [isize; 1] { //~^ ERROR the type parameter `U` is not constrained } -impl Foo for [isize;2] where T : Bar { +impl Foo for [isize; 2] +where + T: Bar, +{ // OK, `U` is now constrained by the output type parameter. } -impl,U> Foo for [isize;3] { +impl, U> Foo for [isize; 3] { // OK, same as above but written differently. } -impl Foo for U { +impl Foo for U { //~^ ERROR conflicting implementations of trait `Foo<_>` for type `[isize; 0]` } -impl Bar for T { +impl Bar for T { //~^ ERROR the type parameter `U` is not constrained type Out = U; @@ -36,28 +37,33 @@ impl Bar for T { // Using `U` in an associated type within the impl is not good enough! } -impl Bar for T - where T : Bar +impl Bar for T +where + T: Bar, { - //~^^^ ERROR the type parameter `U` is not constrained - + //~^^^^ ERROR the type parameter `U` is not constrained by the impl trait, self type, or predicates + //~| ERROR conflicting implementations of trait `Bar` // This crafty self-referential attempt is still no good. } -impl Foo for T - where (T,U): Bar +impl Foo for T +where + (T, U): Bar, { - //~^^^ ERROR the type parameter `U` is not constrained - //~| ERROR the type parameter `V` is not constrained + //~^^^^ ERROR the type parameter `U` is not constrained + //~| ERROR the type parameter `V` is not constrained + //~| ERROR conflicting implementations of trait `Foo<[isize; 0]>` for type `[isize; 0]` // Here, `V` is bound by an output type parameter, but the inputs // are not themselves constrained. } -impl Foo<(T,U)> for T - where (T,U): Bar +impl Foo<(T, U)> for T +where + (T, U): Bar, { + //~^^^^ ERROR conflicting implementations of trait `Foo<([isize; 0], _)>` for type `[isize; 0]` // As above, but both T and U ARE constrained. } -fn main() { } +fn main() {} diff --git a/tests/ui/impl-unused-tps.stderr b/tests/ui/impl-unused-tps.stderr index af427cb5f3e3..da4589dee827 100644 --- a/tests/ui/impl-unused-tps.stderr +++ b/tests/ui/impl-unused-tps.stderr @@ -1,56 +1,76 @@ error[E0119]: conflicting implementations of trait `Foo<_>` for type `[isize; 0]` - --> $DIR/impl-unused-tps.rs:27:1 + --> $DIR/impl-unused-tps.rs:28:1 | -LL | impl Foo for [isize;0] { - | ---------------------------- first implementation here +LL | impl Foo for [isize; 0] { + | ----------------------------- first implementation here ... -LL | impl Foo for U { - | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `[isize; 0]` +LL | impl Foo for U { + | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `[isize; 0]` -error[E0275]: overflow evaluating the requirement `([isize; 0], _): Sized` +error[E0119]: conflicting implementations of trait `Bar` + --> $DIR/impl-unused-tps.rs:40:1 | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`impl_unused_tps`) -note: required for `([isize; 0], _)` to implement `Bar` - --> $DIR/impl-unused-tps.rs:31:11 +LL | impl Bar for T { + | -------------------- first implementation here +... +LL | / impl Bar for T +LL | | where +LL | | T: Bar, + | |____________________^ conflicting implementation + +error[E0119]: conflicting implementations of trait `Foo<[isize; 0]>` for type `[isize; 0]` + --> $DIR/impl-unused-tps.rs:49:1 | -LL | impl Bar for T { - | - ^^^ ^ - | | - | unsatisfied trait bound introduced here - = note: 126 redundant requirements hidden - = note: required for `([isize; 0], _)` to implement `Bar` +LL | impl Foo for [isize; 0] { + | ----------------------------- first implementation here +... +LL | / impl Foo for T +LL | | where +LL | | (T, U): Bar, + | |_________________________^ conflicting implementation for `[isize; 0]` + +error[E0119]: conflicting implementations of trait `Foo<([isize; 0], _)>` for type `[isize; 0]` + --> $DIR/impl-unused-tps.rs:61:1 + | +LL | impl Foo for [isize; 0] { + | ----------------------------- first implementation here +... +LL | / impl Foo<(T, U)> for T +LL | | where +LL | | (T, U): Bar, + | |_________________________^ conflicting implementation for `[isize; 0]` error[E0207]: the type parameter `U` is not constrained by the impl trait, self type, or predicates - --> $DIR/impl-unused-tps.rs:15:8 + --> $DIR/impl-unused-tps.rs:13:9 | -LL | impl Foo for [isize;1] { - | ^ unconstrained type parameter +LL | impl Foo for [isize; 1] { + | ^ unconstrained type parameter error[E0207]: the type parameter `U` is not constrained by the impl trait, self type, or predicates - --> $DIR/impl-unused-tps.rs:31:8 + --> $DIR/impl-unused-tps.rs:32:9 | -LL | impl Bar for T { - | ^ unconstrained type parameter +LL | impl Bar for T { + | ^ unconstrained type parameter error[E0207]: the type parameter `U` is not constrained by the impl trait, self type, or predicates - --> $DIR/impl-unused-tps.rs:39:8 + --> $DIR/impl-unused-tps.rs:40:9 | -LL | impl Bar for T - | ^ unconstrained type parameter +LL | impl Bar for T + | ^ unconstrained type parameter error[E0207]: the type parameter `U` is not constrained by the impl trait, self type, or predicates - --> $DIR/impl-unused-tps.rs:47:8 + --> $DIR/impl-unused-tps.rs:49:9 | -LL | impl Foo for T - | ^ unconstrained type parameter +LL | impl Foo for T + | ^ unconstrained type parameter error[E0207]: the type parameter `V` is not constrained by the impl trait, self type, or predicates - --> $DIR/impl-unused-tps.rs:47:10 + --> $DIR/impl-unused-tps.rs:49:12 | -LL | impl Foo for T - | ^ unconstrained type parameter +LL | impl Foo for T + | ^ unconstrained type parameter -error: aborting due to 7 previous errors +error: aborting due to 9 previous errors -Some errors have detailed explanations: E0119, E0207, E0275. +Some errors have detailed explanations: E0119, E0207. For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/issues/issue-48728.rs b/tests/ui/issues/issue-48728.rs index 7ef05f4277b2..8ad9289c65cf 100644 --- a/tests/ui/issues/issue-48728.rs +++ b/tests/ui/issues/issue-48728.rs @@ -1,12 +1,8 @@ // Regression test for #48728, an ICE that occurred computing // coherence "help" information. -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver -//@[next] check-pass - -#[derive(Clone)] //[current]~ ERROR conflicting implementations of trait `Clone` +//@ check-pass +#[derive(Clone)] struct Node(Box); impl Clone for Node<[T]> { diff --git a/tests/ui/specialization/defaultimpl/specialization-no-default.rs b/tests/ui/specialization/defaultimpl/specialization-no-default.rs index 661724eef8a4..ddc32337306f 100644 --- a/tests/ui/specialization/defaultimpl/specialization-no-default.rs +++ b/tests/ui/specialization/defaultimpl/specialization-no-default.rs @@ -71,7 +71,8 @@ impl Redundant for T { } default impl Redundant for i32 { - fn redundant(&self) {} //~ ERROR E0520 + fn redundant(&self) {} + //~^ ERROR `redundant` specializes an item from a parent `impl`, but that item is not marked `default` } fn main() {} diff --git a/tests/ui/specialization/specialization-default-items-drop-coherence.current.stderr b/tests/ui/specialization/specialization-default-items-drop-coherence.current.stderr new file mode 100644 index 000000000000..36df6bfd9fc1 --- /dev/null +++ b/tests/ui/specialization/specialization-default-items-drop-coherence.current.stderr @@ -0,0 +1,12 @@ +error[E0119]: conflicting implementations of trait `Overlap` for type `u32` + --> $DIR/specialization-default-items-drop-coherence.rs:26:1 + | +LL | impl Overlap for u32 { + | -------------------- first implementation here +... +LL | impl Overlap for ::Id { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr b/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr index e9498a003179..36df6bfd9fc1 100644 --- a/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr +++ b/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Overlap` for type `u32` - --> $DIR/specialization-default-items-drop-coherence.rs:29:1 + --> $DIR/specialization-default-items-drop-coherence.rs:26:1 | LL | impl Overlap for u32 { | -------------------- first implementation here diff --git a/tests/ui/specialization/specialization-default-items-drop-coherence.rs b/tests/ui/specialization/specialization-default-items-drop-coherence.rs index 6dc012776391..b3c1f72777c4 100644 --- a/tests/ui/specialization/specialization-default-items-drop-coherence.rs +++ b/tests/ui/specialization/specialization-default-items-drop-coherence.rs @@ -1,8 +1,5 @@ -//@ revisions: classic coherence next +//@ revisions: current next //@[next] compile-flags: -Znext-solver -//@[coherence] compile-flags: -Znext-solver=coherence -//@[classic] check-pass -//@[classic] known-bug: #105782 // Should fail. Default items completely drop candidates instead of ambiguity, // which is unsound during coherence, since coherence requires completeness. @@ -27,8 +24,7 @@ impl Overlap for u32 { } impl Overlap for ::Id { - //[coherence]~^ ERROR conflicting implementations of trait `Overlap` for type `u32` - //[next]~^^ ERROR conflicting implementations of trait `Overlap` for type `u32` + //~^ ERROR conflicting implementations of trait `Overlap` for type `u32` type Assoc = Box; } diff --git a/tests/ui/specialization/specialization-overlap-projection.current.stderr b/tests/ui/specialization/specialization-overlap-projection.current.stderr index a69826fa96b0..4e77cb17fbb0 100644 --- a/tests/ui/specialization/specialization-overlap-projection.current.stderr +++ b/tests/ui/specialization/specialization-overlap-projection.current.stderr @@ -1,5 +1,5 @@ warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/specialization-overlap-projection.rs:10:12 + --> $DIR/specialization-overlap-projection.rs:4:12 | LL | #![feature(specialization)] | ^^^^^^^^^^^^^^ @@ -8,5 +8,23 @@ LL | #![feature(specialization)] = help: consider using `min_specialization` instead, which is more stable and complete = note: `#[warn(incomplete_features)]` on by default -warning: 1 warning emitted +error[E0119]: conflicting implementations of trait `Foo` for type `u32` + --> $DIR/specialization-overlap-projection.rs:19:1 + | +LL | impl Foo for u32 {} + | ---------------- first implementation here +LL | impl Foo for ::Output {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` +error[E0119]: conflicting implementations of trait `Foo` for type `u32` + --> $DIR/specialization-overlap-projection.rs:21:1 + | +LL | impl Foo for u32 {} + | ---------------- first implementation here +... +LL | impl Foo for ::Output {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` + +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/specialization/specialization-overlap-projection.next.stderr b/tests/ui/specialization/specialization-overlap-projection.next.stderr index 5b17696162ed..4e77cb17fbb0 100644 --- a/tests/ui/specialization/specialization-overlap-projection.next.stderr +++ b/tests/ui/specialization/specialization-overlap-projection.next.stderr @@ -1,5 +1,5 @@ warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/specialization-overlap-projection.rs:10:12 + --> $DIR/specialization-overlap-projection.rs:4:12 | LL | #![feature(specialization)] | ^^^^^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | #![feature(specialization)] = note: `#[warn(incomplete_features)]` on by default error[E0119]: conflicting implementations of trait `Foo` for type `u32` - --> $DIR/specialization-overlap-projection.rs:25:1 + --> $DIR/specialization-overlap-projection.rs:19:1 | LL | impl Foo for u32 {} | ---------------- first implementation here @@ -17,7 +17,7 @@ LL | impl Foo for ::Output {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` error[E0119]: conflicting implementations of trait `Foo` for type `u32` - --> $DIR/specialization-overlap-projection.rs:27:1 + --> $DIR/specialization-overlap-projection.rs:21:1 | LL | impl Foo for u32 {} | ---------------- first implementation here diff --git a/tests/ui/specialization/specialization-overlap-projection.rs b/tests/ui/specialization/specialization-overlap-projection.rs index 16dccf82dcb9..f7a2a7922432 100644 --- a/tests/ui/specialization/specialization-overlap-projection.rs +++ b/tests/ui/specialization/specialization-overlap-projection.rs @@ -1,13 +1,8 @@ -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver -//@[current] check-pass - // Test that impls on projected self types can resolve overlap, even when the // projections involve specialization, so long as the associated type is // provided by the most specialized impl. - -#![feature(specialization)] //~ WARN the feature `specialization` is incomplete +#![feature(specialization)] +//~^ WARN the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes trait Assoc { type Output; @@ -23,8 +18,8 @@ impl Assoc for u16 { type Output = u16; } trait Foo {} impl Foo for u32 {} impl Foo for ::Output {} -//[next]~^ ERROR conflicting implementations of trait `Foo` for type `u32` +//~^ ERROR conflicting implementations of trait `Foo` for type `u32` impl Foo for ::Output {} -//[next]~^ ERROR conflicting implementations of trait `Foo` for type `u32` +//~^ ERROR conflicting implementations of trait `Foo` for type `u32` fn main() {} diff --git a/tests/ui/specialization/specialization-overlap-projection.stderr b/tests/ui/specialization/specialization-overlap-projection.stderr new file mode 100644 index 000000000000..5f3cd9c66cfe --- /dev/null +++ b/tests/ui/specialization/specialization-overlap-projection.stderr @@ -0,0 +1,30 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/specialization-overlap-projection.rs:4:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +error[E0119]: conflicting implementations of trait `Foo` for type `u32` + --> $DIR/specialization-overlap-projection.rs:20:1 + | +LL | impl Foo for u32 {} + | ---------------- first implementation here +LL | impl Foo for ::Output {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` + +error[E0119]: conflicting implementations of trait `Foo` for type `u32` + --> $DIR/specialization-overlap-projection.rs:22:1 + | +LL | impl Foo for u32 {} + | ---------------- first implementation here +... +LL | impl Foo for ::Output {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` + +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/traits/alias/issue-83613.rs b/tests/ui/traits/alias/issue-83613.rs index 2462e703a716..6f0012bf0896 100644 --- a/tests/ui/traits/alias/issue-83613.rs +++ b/tests/ui/traits/alias/issue-83613.rs @@ -8,5 +8,5 @@ fn mk_opaque() -> OpaqueType { trait AnotherTrait {} impl AnotherTrait for T {} impl AnotherTrait for OpaqueType {} -//~^ ERROR conflicting implementations of trait `AnotherTrait` for type `OpaqueType` +//~^ ERROR conflicting implementations of trait `AnotherTrait` fn main() {} diff --git a/tests/ui/traits/alias/issue-83613.stderr b/tests/ui/traits/alias/issue-83613.stderr index 847fda417766..47181c3f33ed 100644 --- a/tests/ui/traits/alias/issue-83613.stderr +++ b/tests/ui/traits/alias/issue-83613.stderr @@ -1,10 +1,10 @@ -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `OpaqueType` +error[E0119]: conflicting implementations of trait `AnotherTrait` --> $DIR/issue-83613.rs:10:1 | LL | impl AnotherTrait for T {} | -------------------------------- first implementation here LL | impl AnotherTrait for OpaqueType {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `OpaqueType` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation error: aborting due to 1 previous error diff --git a/tests/ui/traits/issue-105231.rs b/tests/ui/traits/issue-105231.rs index 7338642beefa..83c3158c106b 100644 --- a/tests/ui/traits/issue-105231.rs +++ b/tests/ui/traits/issue-105231.rs @@ -1,4 +1,3 @@ -//~ ERROR overflow evaluating the requirement `A>>>>>>: Send` struct A(B); //~^ ERROR recursive types `A` and `B` have infinite size //~| ERROR `T` is only used recursively @@ -7,5 +6,5 @@ struct B(A>); trait Foo {} impl Foo for T where T: Send {} impl Foo for B {} - +//~^ ERROR conflicting implementations of trait `Foo` for type `B` fn main() {} diff --git a/tests/ui/traits/issue-105231.stderr b/tests/ui/traits/issue-105231.stderr index d3014a79ad60..e113f8382b2f 100644 --- a/tests/ui/traits/issue-105231.stderr +++ b/tests/ui/traits/issue-105231.stderr @@ -1,5 +1,5 @@ error[E0072]: recursive types `A` and `B` have infinite size - --> $DIR/issue-105231.rs:2:1 + --> $DIR/issue-105231.rs:1:1 | LL | struct A(B); | ^^^^^^^^^^^ ---- recursive without indirection @@ -16,7 +16,7 @@ LL ~ struct B(Box>>); | error: type parameter `T` is only used recursively - --> $DIR/issue-105231.rs:2:15 + --> $DIR/issue-105231.rs:1:15 | LL | struct A(B); | - ^ @@ -27,7 +27,7 @@ LL | struct A(B); = note: all type parameters must be used in a non-recursive way in order to constrain their variance error: type parameter `T` is only used recursively - --> $DIR/issue-105231.rs:5:17 + --> $DIR/issue-105231.rs:4:17 | LL | struct B(A>); | - ^ @@ -37,16 +37,18 @@ LL | struct B(A>); = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` = note: all type parameters must be used in a non-recursive way in order to constrain their variance -error[E0275]: overflow evaluating the requirement `A>>>>>>: Send` +error[E0119]: conflicting implementations of trait `Foo` for type `B` + --> $DIR/issue-105231.rs:8:1 | +LL | impl Foo for T where T: Send {} + | ------------------------------- first implementation here +LL | impl Foo for B {} + | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `B` + | + = note: overflow evaluating the requirement `B: Send` = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_105231`) -note: required because it appears within the type `B>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` - --> $DIR/issue-105231.rs:5:8 - | -LL | struct B(A>); - | ^ error: aborting due to 4 previous errors -Some errors have detailed explanations: E0072, E0275. +Some errors have detailed explanations: E0072, E0119. For more information about an error, try `rustc --explain E0072`. diff --git a/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs b/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs index d37943b929a1..43443be88df7 100644 --- a/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs +++ b/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs @@ -1,4 +1,3 @@ -//~ ERROR overflow // A regression test for #111729 checking that we correctly // track recursion depth for obligations returned by confirmation. use std::panic::RefUnwindSafe; @@ -18,6 +17,7 @@ impl Database for T { type Storage = SalsaStorage; } impl Database for RootDatabase { + //~^ ERROR conflicting implementations of trait `Database` for type `RootDatabase` type Storage = SalsaStorage; } diff --git a/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.stderr b/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.stderr index 2ab150fc0f62..1da7671b4519 100644 --- a/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.stderr +++ b/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.stderr @@ -1,24 +1,12 @@ -error[E0275]: overflow evaluating the requirement `Runtime: RefUnwindSafe` - | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`cycle_via_builtin_auto_trait_impl`) -note: required because it appears within the type `RootDatabase` - --> $DIR/cycle-via-builtin-auto-trait-impl.rs:13:8 - | -LL | struct RootDatabase { - | ^^^^^^^^^^^^ -note: required for `RootDatabase` to implement `Database` - --> $DIR/cycle-via-builtin-auto-trait-impl.rs:17:24 +error[E0119]: conflicting implementations of trait `Database` for type `RootDatabase` + --> $DIR/cycle-via-builtin-auto-trait-impl.rs:19:1 | LL | impl Database for T { - | ------------- ^^^^^^^^ ^ - | | - | unsatisfied trait bound introduced here -note: required because it appears within the type `Runtime` - --> $DIR/cycle-via-builtin-auto-trait-impl.rs:24:8 - | -LL | struct Runtime { - | ^^^^^^^ + | ------------------------------------- first implementation here +... +LL | impl Database for RootDatabase { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `RootDatabase` error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0275`. +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr b/tests/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr index e35913be899f..aaf75cc3db97 100644 --- a/tests/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr +++ b/tests/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr @@ -15,8 +15,6 @@ LL | impl Bop for Bar<()> {} ... LL | impl Bop for Barr {} | ^^^^^^^^^^^^^^^^^ conflicting implementation for `Bar<()>` - | - = note: upstream crates may add a new impl of trait `std::marker::FnPtr` for type `Barr` in future versions error[E0119]: conflicting implementations of trait `Bop` for type `Bar<()>` --> $DIR/impl_trait_for_same_tait.rs:30:1 diff --git a/tests/ui/type-alias-impl-trait/issue-104817.rs b/tests/ui/type-alias-impl-trait/issue-104817.rs index 4679d025fce0..491463216145 100644 --- a/tests/ui/type-alias-impl-trait/issue-104817.rs +++ b/tests/ui/type-alias-impl-trait/issue-104817.rs @@ -14,6 +14,6 @@ fn mk_opaque() -> OpaqueType { trait AnotherTrait {} impl AnotherTrait for T {} impl AnotherTrait for OpaqueType {} -//[stock]~^ conflicting implementations of trait `AnotherTrait` for type `OpaqueType` +//[stock]~^ conflicting implementations of trait `AnotherTrait` fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-104817.stock.stderr b/tests/ui/type-alias-impl-trait/issue-104817.stock.stderr index 41c5206d9e88..df5a6c320a8a 100644 --- a/tests/ui/type-alias-impl-trait/issue-104817.stock.stderr +++ b/tests/ui/type-alias-impl-trait/issue-104817.stock.stderr @@ -1,10 +1,10 @@ -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `OpaqueType` +error[E0119]: conflicting implementations of trait `AnotherTrait` --> $DIR/issue-104817.rs:16:1 | LL | impl AnotherTrait for T {} | -------------------------------- first implementation here LL | impl AnotherTrait for OpaqueType {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `OpaqueType` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation error: aborting due to 1 previous error From d93e047c9f1b33892a604273ab3931815f5604a1 Mon Sep 17 00:00:00 2001 From: lcnr Date: Mon, 15 Apr 2024 18:10:46 +0200 Subject: [PATCH 048/149] rebase and update fixed `crashes` --- tests/crashes/118987.rs | 17 ------------ .../default-impl-normalization-ambig-2.rs} | 4 ++- .../default-impl-normalization-ambig-2.stderr | 21 +++++++++++++++ .../default-item-normalization-ambig-1.rs} | 5 ++-- .../default-item-normalization-ambig-1.stderr | 21 +++++++++++++++ .../coherence-bikeshed-intrinsic-from.rs} | 4 ++- .../coherence-bikeshed-intrinsic-from.stderr | 27 +++++++++++++++++++ 7 files changed, 78 insertions(+), 21 deletions(-) delete mode 100644 tests/crashes/118987.rs rename tests/{crashes/118987-2.rs => ui/specialization/coherence/default-impl-normalization-ambig-2.rs} (74%) create mode 100644 tests/ui/specialization/coherence/default-impl-normalization-ambig-2.stderr rename tests/{crashes/74299.rs => ui/specialization/coherence/default-item-normalization-ambig-1.rs} (56%) create mode 100644 tests/ui/specialization/coherence/default-item-normalization-ambig-1.stderr rename tests/{crashes/124207.rs => ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.rs} (62%) create mode 100644 tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.stderr diff --git a/tests/crashes/118987.rs b/tests/crashes/118987.rs deleted file mode 100644 index 4382a7bcb639..000000000000 --- a/tests/crashes/118987.rs +++ /dev/null @@ -1,17 +0,0 @@ -//@ known-bug: #118987 -#![feature(specialization)] //~ WARN the feature `specialization` is incomplete - -trait Assoc { - type Output; -} - -default impl Assoc for T { - type Output = bool; -} - -impl Assoc for u8 {} - -trait Foo {} - -impl Foo for ::Output {} -impl Foo for ::Output {} diff --git a/tests/crashes/118987-2.rs b/tests/ui/specialization/coherence/default-impl-normalization-ambig-2.rs similarity index 74% rename from tests/crashes/118987-2.rs rename to tests/ui/specialization/coherence/default-impl-normalization-ambig-2.rs index 4382a7bcb639..1691530fa0a5 100644 --- a/tests/crashes/118987-2.rs +++ b/tests/ui/specialization/coherence/default-impl-normalization-ambig-2.rs @@ -1,4 +1,4 @@ -//@ known-bug: #118987 +// regression test for #118987 #![feature(specialization)] //~ WARN the feature `specialization` is incomplete trait Assoc { @@ -15,3 +15,5 @@ trait Foo {} impl Foo for ::Output {} impl Foo for ::Output {} +//~^ ERROR the trait bound `u16: Assoc` is not satisfied +fn main() {} diff --git a/tests/ui/specialization/coherence/default-impl-normalization-ambig-2.stderr b/tests/ui/specialization/coherence/default-impl-normalization-ambig-2.stderr new file mode 100644 index 000000000000..a2fca2ef5b67 --- /dev/null +++ b/tests/ui/specialization/coherence/default-impl-normalization-ambig-2.stderr @@ -0,0 +1,21 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/default-impl-normalization-ambig-2.rs:2:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +error[E0277]: the trait bound `u16: Assoc` is not satisfied + --> $DIR/default-impl-normalization-ambig-2.rs:17:14 + | +LL | impl Foo for ::Output {} + | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Assoc` is not implemented for `u16` + | + = help: the trait `Assoc` is implemented for `u8` + +error: aborting due to 1 previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/crashes/74299.rs b/tests/ui/specialization/coherence/default-item-normalization-ambig-1.rs similarity index 56% rename from tests/crashes/74299.rs rename to tests/ui/specialization/coherence/default-item-normalization-ambig-1.rs index 0e2ddce1c5b1..af7cf332d5f4 100644 --- a/tests/crashes/74299.rs +++ b/tests/ui/specialization/coherence/default-item-normalization-ambig-1.rs @@ -1,5 +1,5 @@ -//@ known-bug: #74299 -#![feature(specialization)] +// regression test for #73299. +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete trait X { type U; @@ -18,6 +18,7 @@ trait Y { impl Y for <() as X>::U {} impl Y for ::U {} +//~^ ERROR conflicting implementations of trait `Y` for type `<() as X>::U` fn main() { ().f().g(); diff --git a/tests/ui/specialization/coherence/default-item-normalization-ambig-1.stderr b/tests/ui/specialization/coherence/default-item-normalization-ambig-1.stderr new file mode 100644 index 000000000000..a15151cc9c41 --- /dev/null +++ b/tests/ui/specialization/coherence/default-item-normalization-ambig-1.stderr @@ -0,0 +1,21 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/default-item-normalization-ambig-1.rs:2:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +error[E0119]: conflicting implementations of trait `Y` for type `<() as X>::U` + --> $DIR/default-item-normalization-ambig-1.rs:20:1 + | +LL | impl Y for <() as X>::U {} + | ----------------------- first implementation here +LL | impl Y for ::U {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<() as X>::U` + +error: aborting due to 1 previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/crashes/124207.rs b/tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.rs similarity index 62% rename from tests/crashes/124207.rs rename to tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.rs index a11eedb140a6..0cebc99cd419 100644 --- a/tests/crashes/124207.rs +++ b/tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.rs @@ -1,9 +1,11 @@ -//@ known-bug: #124207 #![feature(transmutability)] #![feature(type_alias_impl_trait)] trait OpaqueTrait {} type OpaqueType = impl OpaqueTrait; +//~^ ERROR unconstrained opaque type trait AnotherTrait {} impl> AnotherTrait for T {} +//~^ ERROR type provided when a constant was expected impl AnotherTrait for OpaqueType {} +//~^ ERROR conflicting implementations of trait `AnotherTrait` pub fn main() {} diff --git a/tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.stderr b/tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.stderr new file mode 100644 index 000000000000..2424541af23e --- /dev/null +++ b/tests/ui/transmutability/malformed-program-gracefulness/coherence-bikeshed-intrinsic-from.stderr @@ -0,0 +1,27 @@ +error: unconstrained opaque type + --> $DIR/coherence-bikeshed-intrinsic-from.rs:4:19 + | +LL | type OpaqueType = impl OpaqueTrait; + | ^^^^^^^^^^^^^^^^ + | + = note: `OpaqueType` must be used in combination with a concrete type within the same module + +error[E0747]: type provided when a constant was expected + --> $DIR/coherence-bikeshed-intrinsic-from.rs:7:37 + | +LL | impl> AnotherTrait for T {} + | ^^ + +error[E0119]: conflicting implementations of trait `AnotherTrait` + --> $DIR/coherence-bikeshed-intrinsic-from.rs:9:1 + | +LL | impl> AnotherTrait for T {} + | ----------------------------------------------------------- first implementation here +LL | +LL | impl AnotherTrait for OpaqueType {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0119, E0747. +For more information about an error, try `rustc --explain E0119`. From 69fdd1457d367ce4de044e9784e58a38acf3d847 Mon Sep 17 00:00:00 2001 From: lcnr Date: Fri, 16 Aug 2024 16:00:46 +0200 Subject: [PATCH 049/149] remove unnecessary revisions --- ...nce-overlap-downstream-inherent.old.stderr | 23 ------------------- .../coherence-overlap-downstream-inherent.rs | 3 --- ...erence-overlap-downstream-inherent.stderr} | 4 ++-- .../coherence-overlap-downstream.old.stderr | 21 ----------------- .../coherence/coherence-overlap-downstream.rs | 3 --- ...rr => coherence-overlap-downstream.stderr} | 4 ++-- ...ce-overlap-issue-23516-inherent.old.stderr | 14 ----------- .../coherence-overlap-issue-23516-inherent.rs | 3 --- ...rence-overlap-issue-23516-inherent.stderr} | 2 +- .../coherence-overlap-issue-23516.old.stderr | 13 ----------- .../coherence-overlap-issue-23516.rs | 3 --- ...r => coherence-overlap-issue-23516.stderr} | 2 +- ...ap-unnormalizable-projection-0.next.stderr | 18 --------------- ...nce-overlap-unnormalizable-projection-0.rs | 3 --- ...verlap-unnormalizable-projection-0.stderr} | 2 +- ...ap-unnormalizable-projection-1.next.stderr | 19 --------------- ...nce-overlap-unnormalizable-projection-1.rs | 3 --- ...verlap-unnormalizable-projection-1.stderr} | 2 +- tests/ui/coherence/coherent-due-to-fulfill.rs | 2 -- .../incoherent-even-though-we-fulfill.rs | 2 -- .../incoherent-even-though-we-fulfill.stderr | 2 +- ...er-crate-ambiguity-causes-notes.old.stderr | 17 -------------- .../inter-crate-ambiguity-causes-notes.rs | 3 --- ...inter-crate-ambiguity-causes-notes.stderr} | 2 +- .../normalize-for-errors.current.stderr | 15 ------------ .../normalize-for-errors.next.stderr | 15 ------------ .../occurs-check/associated-type.next.stderr | 4 ++-- .../occurs-check/associated-type.old.stderr | 2 +- .../coherence/occurs-check/associated-type.rs | 1 + .../occurs-check/opaques.current.stderr | 2 +- .../occurs-check/opaques.next.stderr | 4 ++-- tests/ui/coherence/occurs-check/opaques.rs | 3 ++- ...heck-opaque-types-not-covering.next.stderr | 21 ----------------- .../orphan-check-opaque-types-not-covering.rs | 3 --- ...an-check-opaque-types-not-covering.stderr} | 4 ++-- .../orphan-check-projections-covering.rs | 3 --- ...heck-weak-aliases-not-covering.next.stderr | 12 ---------- .../orphan-check-weak-aliases-not-covering.rs | 3 --- ...an-check-weak-aliases-not-covering.stderr} | 2 +- ...reporting-if-references-err.current.stderr | 14 ----------- ...ip-reporting-if-references-err.next.stderr | 14 ----------- .../super-traits/super-trait-knowable-2.rs | 3 --- 42 files changed, 22 insertions(+), 273 deletions(-) delete mode 100644 tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr rename tests/ui/coherence/{coherence-overlap-downstream-inherent.next.stderr => coherence-overlap-downstream-inherent.stderr} (87%) delete mode 100644 tests/ui/coherence/coherence-overlap-downstream.old.stderr rename tests/ui/coherence/{coherence-overlap-downstream.next.stderr => coherence-overlap-downstream.stderr} (88%) delete mode 100644 tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr rename tests/ui/coherence/{coherence-overlap-issue-23516-inherent.next.stderr => coherence-overlap-issue-23516-inherent.stderr} (90%) delete mode 100644 tests/ui/coherence/coherence-overlap-issue-23516.old.stderr rename tests/ui/coherence/{coherence-overlap-issue-23516.next.stderr => coherence-overlap-issue-23516.stderr} (90%) delete mode 100644 tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.next.stderr rename tests/ui/coherence/{coherence-overlap-unnormalizable-projection-0.classic.stderr => coherence-overlap-unnormalizable-projection-0.stderr} (91%) delete mode 100644 tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr rename tests/ui/coherence/{coherence-overlap-unnormalizable-projection-1.classic.stderr => coherence-overlap-unnormalizable-projection-1.stderr} (92%) delete mode 100644 tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr rename tests/ui/coherence/{inter-crate-ambiguity-causes-notes.next.stderr => inter-crate-ambiguity-causes-notes.stderr} (90%) delete mode 100644 tests/ui/coherence/normalize-for-errors.current.stderr delete mode 100644 tests/ui/coherence/normalize-for-errors.next.stderr delete mode 100644 tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr rename tests/ui/coherence/{orphan-check-opaque-types-not-covering.classic.stderr => orphan-check-opaque-types-not-covering.stderr} (92%) delete mode 100644 tests/ui/coherence/orphan-check-weak-aliases-not-covering.next.stderr rename tests/ui/coherence/{orphan-check-weak-aliases-not-covering.classic.stderr => orphan-check-weak-aliases-not-covering.stderr} (92%) delete mode 100644 tests/ui/coherence/skip-reporting-if-references-err.current.stderr delete mode 100644 tests/ui/coherence/skip-reporting-if-references-err.next.stderr diff --git a/tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr b/tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr deleted file mode 100644 index 2938bc629b2c..000000000000 --- a/tests/ui/coherence/coherence-overlap-downstream-inherent.old.stderr +++ /dev/null @@ -1,23 +0,0 @@ -error[E0592]: duplicate definitions with name `dummy` - --> $DIR/coherence-overlap-downstream-inherent.rs:10:26 - | -LL | impl Sweet { fn dummy(&self) { } } - | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` -LL | -LL | impl Sweet { fn dummy(&self) { } } - | --------------- other definition for `dummy` - -error[E0592]: duplicate definitions with name `f` - --> $DIR/coherence-overlap-downstream-inherent.rs:16:38 - | -LL | impl A where T: Bar { fn f(&self) {} } - | ^^^^^^^^^^^ duplicate definitions for `f` -LL | -LL | impl A { fn f(&self) {} } - | ----------- other definition for `f` - | - = note: downstream crates may implement trait `Bar<_>` for type `i32` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0592`. diff --git a/tests/ui/coherence/coherence-overlap-downstream-inherent.rs b/tests/ui/coherence/coherence-overlap-downstream-inherent.rs index 3e90b7c7fdd3..5dea33e330b6 100644 --- a/tests/ui/coherence/coherence-overlap-downstream-inherent.rs +++ b/tests/ui/coherence/coherence-overlap-downstream-inherent.rs @@ -1,6 +1,3 @@ -//@ revisions: old next -//@[next] compile-flags: -Znext-solver - // Tests that we consider `T: Sugar + Fruit` to be ambiguous, even // though no impls are found. diff --git a/tests/ui/coherence/coherence-overlap-downstream-inherent.next.stderr b/tests/ui/coherence/coherence-overlap-downstream-inherent.stderr similarity index 87% rename from tests/ui/coherence/coherence-overlap-downstream-inherent.next.stderr rename to tests/ui/coherence/coherence-overlap-downstream-inherent.stderr index 2938bc629b2c..bbce4b530b4d 100644 --- a/tests/ui/coherence/coherence-overlap-downstream-inherent.next.stderr +++ b/tests/ui/coherence/coherence-overlap-downstream-inherent.stderr @@ -1,5 +1,5 @@ error[E0592]: duplicate definitions with name `dummy` - --> $DIR/coherence-overlap-downstream-inherent.rs:10:26 + --> $DIR/coherence-overlap-downstream-inherent.rs:7:26 | LL | impl Sweet { fn dummy(&self) { } } | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` @@ -8,7 +8,7 @@ LL | impl Sweet { fn dummy(&self) { } } | --------------- other definition for `dummy` error[E0592]: duplicate definitions with name `f` - --> $DIR/coherence-overlap-downstream-inherent.rs:16:38 + --> $DIR/coherence-overlap-downstream-inherent.rs:13:38 | LL | impl A where T: Bar { fn f(&self) {} } | ^^^^^^^^^^^ duplicate definitions for `f` diff --git a/tests/ui/coherence/coherence-overlap-downstream.old.stderr b/tests/ui/coherence/coherence-overlap-downstream.old.stderr deleted file mode 100644 index 6c2e9466b4bd..000000000000 --- a/tests/ui/coherence/coherence-overlap-downstream.old.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0119]: conflicting implementations of trait `Sweet` - --> $DIR/coherence-overlap-downstream.rs:11:1 - | -LL | impl Sweet for T { } - | ------------------------- first implementation here -LL | impl Sweet for T { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation - -error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32` - --> $DIR/coherence-overlap-downstream.rs:17:1 - | -LL | impl Foo for T where T: Bar {} - | --------------------------------------- first implementation here -LL | impl Foo for i32 {} - | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `i32` - | - = note: downstream crates may implement trait `Bar<_>` for type `i32` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/coherence-overlap-downstream.rs b/tests/ui/coherence/coherence-overlap-downstream.rs index 8b99296d12a4..738ec0e3d455 100644 --- a/tests/ui/coherence/coherence-overlap-downstream.rs +++ b/tests/ui/coherence/coherence-overlap-downstream.rs @@ -1,6 +1,3 @@ -//@ revisions: old next -//@[next] compile-flags: -Znext-solver - // Tests that we consider `T: Sugar + Fruit` to be ambiguous, even // though no impls are found. diff --git a/tests/ui/coherence/coherence-overlap-downstream.next.stderr b/tests/ui/coherence/coherence-overlap-downstream.stderr similarity index 88% rename from tests/ui/coherence/coherence-overlap-downstream.next.stderr rename to tests/ui/coherence/coherence-overlap-downstream.stderr index 6c2e9466b4bd..9ab099489d9e 100644 --- a/tests/ui/coherence/coherence-overlap-downstream.next.stderr +++ b/tests/ui/coherence/coherence-overlap-downstream.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Sweet` - --> $DIR/coherence-overlap-downstream.rs:11:1 + --> $DIR/coherence-overlap-downstream.rs:8:1 | LL | impl Sweet for T { } | ------------------------- first implementation here @@ -7,7 +7,7 @@ LL | impl Sweet for T { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32` - --> $DIR/coherence-overlap-downstream.rs:17:1 + --> $DIR/coherence-overlap-downstream.rs:14:1 | LL | impl Foo for T where T: Bar {} | --------------------------------------- first implementation here diff --git a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr deleted file mode 100644 index 2f3ad6278088..000000000000 --- a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.old.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0592]: duplicate definitions with name `dummy` - --> $DIR/coherence-overlap-issue-23516-inherent.rs:12:25 - | -LL | impl Cake { fn dummy(&self) { } } - | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` -LL | -LL | impl Cake> { fn dummy(&self) { } } - | --------------- other definition for `dummy` - | - = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0592`. diff --git a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs index 53b0a40fa661..a272e620fcab 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs +++ b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs @@ -1,6 +1,3 @@ -//@ revisions: old next -//@[next] compile-flags: -Znext-solver - // Tests that we consider `Box: !Sugar` to be ambiguous, even // though we see no impl of `Sugar` for `Box`. Therefore, an overlap // error is reported for the following pair of impls (#23516). diff --git a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.next.stderr b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.stderr similarity index 90% rename from tests/ui/coherence/coherence-overlap-issue-23516-inherent.next.stderr rename to tests/ui/coherence/coherence-overlap-issue-23516-inherent.stderr index 2f3ad6278088..aacdeb5b0f97 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516-inherent.next.stderr +++ b/tests/ui/coherence/coherence-overlap-issue-23516-inherent.stderr @@ -1,5 +1,5 @@ error[E0592]: duplicate definitions with name `dummy` - --> $DIR/coherence-overlap-issue-23516-inherent.rs:12:25 + --> $DIR/coherence-overlap-issue-23516-inherent.rs:9:25 | LL | impl Cake { fn dummy(&self) { } } | ^^^^^^^^^^^^^^^ duplicate definitions for `dummy` diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.old.stderr b/tests/ui/coherence/coherence-overlap-issue-23516.old.stderr deleted file mode 100644 index b94947740254..000000000000 --- a/tests/ui/coherence/coherence-overlap-issue-23516.old.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0119]: conflicting implementations of trait `Sweet` for type `Box<_>` - --> $DIR/coherence-overlap-issue-23516.rs:11:1 - | -LL | impl Sweet for T { } - | ------------------------- first implementation here -LL | impl Sweet for Box { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` - | - = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.rs b/tests/ui/coherence/coherence-overlap-issue-23516.rs index 620e00cd0572..63e42e8f412d 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516.rs +++ b/tests/ui/coherence/coherence-overlap-issue-23516.rs @@ -1,6 +1,3 @@ -//@ revisions: old next -//@[next] compile-flags: -Znext-solver - // Tests that we consider `Box: !Sugar` to be ambiguous, even // though we see no impl of `Sugar` for `Box`. Therefore, an overlap // error is reported for the following pair of impls (#23516). diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.next.stderr b/tests/ui/coherence/coherence-overlap-issue-23516.stderr similarity index 90% rename from tests/ui/coherence/coherence-overlap-issue-23516.next.stderr rename to tests/ui/coherence/coherence-overlap-issue-23516.stderr index b94947740254..7b1b240291a8 100644 --- a/tests/ui/coherence/coherence-overlap-issue-23516.next.stderr +++ b/tests/ui/coherence/coherence-overlap-issue-23516.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Sweet` for type `Box<_>` - --> $DIR/coherence-overlap-issue-23516.rs:11:1 + --> $DIR/coherence-overlap-issue-23516.rs:8:1 | LL | impl Sweet for T { } | ------------------------- first implementation here diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.next.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.next.stderr deleted file mode 100644 index 99abdf65abd5..000000000000 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.next.stderr +++ /dev/null @@ -1,18 +0,0 @@ -error[E0119]: conflicting implementations of trait `Trait` for type `Box<_>` - --> $DIR/coherence-overlap-unnormalizable-projection-0.rs:27:1 - | -LL | / impl Trait for T -LL | | where -LL | | T: 'static, -LL | | for<'a> T: WithAssoc<'a>, -LL | | for<'a> >::Assoc: WhereBound, - | |____________________________________________________- first implementation here -... -LL | impl Trait for Box {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` - | - = note: downstream crates may implement trait `WithAssoc<'a>` for type `std::boxed::Box<_>` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.rs b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.rs index b8b6d8846ef7..0695076e221e 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.rs +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.rs @@ -2,9 +2,6 @@ // "Coherence incorrectly considers `unnormalizable_projection: Trait` to not hold even if it could" #![crate_type = "lib"] -//@ revisions: classic next -//@[next] compile-flags: -Znext-solver - trait WhereBound {} impl WhereBound for () {} diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.stderr similarity index 91% rename from tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr rename to tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.stderr index 99abdf65abd5..57befbe6e68d 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.classic.stderr +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-0.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait` for type `Box<_>` - --> $DIR/coherence-overlap-unnormalizable-projection-0.rs:27:1 + --> $DIR/coherence-overlap-unnormalizable-projection-0.rs:24:1 | LL | / impl Trait for T LL | | where diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr deleted file mode 100644 index 781ab0fcbf76..000000000000 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0119]: conflicting implementations of trait `Trait` for type `Box<_>` - --> $DIR/coherence-overlap-unnormalizable-projection-1.rs:26:1 - | -LL | / impl Trait for T -LL | | where -LL | | T: 'static, -LL | | for<'a> T: WithAssoc<'a>, -LL | | for<'a> Box<>::Assoc>: WhereBound, - | |_________________________________________________________- first implementation here -... -LL | impl Trait for Box {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` - | - = note: downstream crates may implement trait `WithAssoc<'a>` for type `std::boxed::Box<_>` - = note: downstream crates may implement trait `WhereBound` for type `std::boxed::Box<_>` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.rs b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.rs index 8eeadb3dc754..f5fb5aefb5c3 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.rs +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.rs @@ -2,9 +2,6 @@ // "Coherence incorrectly considers `unnormalizable_projection: Trait` to not hold even if it could" #![crate_type = "lib"] -//@ revisions: classic next -//@[next] compile-flags: -Znext-solver - pub trait WhereBound {} impl WhereBound for () {} diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.stderr similarity index 92% rename from tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr rename to tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.stderr index 781ab0fcbf76..22673cef6407 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.classic.stderr +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait` for type `Box<_>` - --> $DIR/coherence-overlap-unnormalizable-projection-1.rs:26:1 + --> $DIR/coherence-overlap-unnormalizable-projection-1.rs:23:1 | LL | / impl Trait for T LL | | where diff --git a/tests/ui/coherence/coherent-due-to-fulfill.rs b/tests/ui/coherence/coherent-due-to-fulfill.rs index 084f9be0a8c3..f4555ee5171c 100644 --- a/tests/ui/coherence/coherent-due-to-fulfill.rs +++ b/tests/ui/coherence/coherent-due-to-fulfill.rs @@ -1,6 +1,4 @@ -//@ compile-flags: -Znext-solver=coherence //@ check-pass - trait Mirror { type Assoc; } diff --git a/tests/ui/coherence/incoherent-even-though-we-fulfill.rs b/tests/ui/coherence/incoherent-even-though-we-fulfill.rs index b3c9cf328c21..28e5b6d3db09 100644 --- a/tests/ui/coherence/incoherent-even-though-we-fulfill.rs +++ b/tests/ui/coherence/incoherent-even-though-we-fulfill.rs @@ -1,5 +1,3 @@ -//@ compile-flags: -Znext-solver=coherence - trait Mirror { type Assoc; } diff --git a/tests/ui/coherence/incoherent-even-though-we-fulfill.stderr b/tests/ui/coherence/incoherent-even-though-we-fulfill.stderr index b16465d20114..0b15a4e100ed 100644 --- a/tests/ui/coherence/incoherent-even-though-we-fulfill.stderr +++ b/tests/ui/coherence/incoherent-even-though-we-fulfill.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Foo` for type `()` - --> $DIR/incoherent-even-though-we-fulfill.rs:17:1 + --> $DIR/incoherent-even-though-we-fulfill.rs:15:1 | LL | impl Foo for T where (): Mirror {} | --------------------------------------------- first implementation here diff --git a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr deleted file mode 100644 index 74be598c44c7..000000000000 --- a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.old.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0119]: conflicting implementations of trait `From<()>` for type `S` - --> $DIR/inter-crate-ambiguity-causes-notes.rs:12:1 - | -LL | impl From<()> for S { - | ------------------- first implementation here -... -LL | / impl From for S -LL | | -LL | | where -LL | | I: Iterator, - | |___________________________^ conflicting implementation for `S` - | - = note: upstream crates may add a new impl of trait `std::iter::Iterator` for type `()` in future versions - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs index 3dead2f0d19c..5b11c78ab260 100644 --- a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs +++ b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs @@ -1,6 +1,3 @@ -//@ revisions: old next -//@[next] compile-flags: -Znext-solver - struct S; impl From<()> for S { diff --git a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.next.stderr b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.stderr similarity index 90% rename from tests/ui/coherence/inter-crate-ambiguity-causes-notes.next.stderr rename to tests/ui/coherence/inter-crate-ambiguity-causes-notes.stderr index 74be598c44c7..b32283274c69 100644 --- a/tests/ui/coherence/inter-crate-ambiguity-causes-notes.next.stderr +++ b/tests/ui/coherence/inter-crate-ambiguity-causes-notes.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `From<()>` for type `S` - --> $DIR/inter-crate-ambiguity-causes-notes.rs:12:1 + --> $DIR/inter-crate-ambiguity-causes-notes.rs:9:1 | LL | impl From<()> for S { | ------------------- first implementation here diff --git a/tests/ui/coherence/normalize-for-errors.current.stderr b/tests/ui/coherence/normalize-for-errors.current.stderr deleted file mode 100644 index 634a10b7a14c..000000000000 --- a/tests/ui/coherence/normalize-for-errors.current.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0119]: conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, <_ as Iterator>::Item)` - --> $DIR/normalize-for-errors.rs:17:1 - | -LL | impl MyTrait for (T, S::Item) {} - | ------------------------------------------------------ first implementation here -LL | -LL | impl MyTrait for (Box<<(MyType,) as Mirror>::Assoc>, S::Item) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(Box<(MyType,)>, <_ as Iterator>::Item)` - | - = note: upstream crates may add a new impl of trait `std::clone::Clone` for type `(MyType,)` in future versions - = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::boxed::Box<(MyType,)>` in future versions - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/normalize-for-errors.next.stderr b/tests/ui/coherence/normalize-for-errors.next.stderr deleted file mode 100644 index 44952dc19445..000000000000 --- a/tests/ui/coherence/normalize-for-errors.next.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0119]: conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, <_ as Iterator>::Item)` - --> $DIR/normalize-for-errors.rs:17:1 - | -LL | impl MyTrait for (T, S::Item) {} - | ------------------------------------------------------ first implementation here -LL | -LL | impl MyTrait for (Box<<(MyType,) as Mirror>::Assoc>, S::Item) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(Box<(MyType,)>, <_ as Iterator>::Item)` - | - = note: upstream crates may add a new impl of trait `std::clone::Clone` for type `std::boxed::Box<(MyType,)>` in future versions - = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::boxed::Box<(MyType,)>` in future versions - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index 9544bdbb468d..466b991471ed 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -3,7 +3,7 @@ WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), ())>` for type `for<'a> fn(&'a (), ())` - --> $DIR/associated-type.rs:31:1 + --> $DIR/associated-type.rs:32:1 | LL | impl Overlap for T { | ------------------------ first implementation here @@ -17,7 +17,7 @@ LL | | for<'a> *const T: ToUnit<'a>, = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details error[E0284]: type annotations needed: cannot normalize ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc` - --> $DIR/associated-type.rs:44:59 + --> $DIR/associated-type.rs:45:59 | LL | foo:: fn(&'a (), ()), for<'a> fn(&'a (), ())>(3usize); | ^^^^^^ cannot normalize ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc` diff --git a/tests/ui/coherence/occurs-check/associated-type.old.stderr b/tests/ui/coherence/occurs-check/associated-type.old.stderr index 6a4c6fe54a83..1e0345f4ec05 100644 --- a/tests/ui/coherence/occurs-check/associated-type.old.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.old.stderr @@ -3,7 +3,7 @@ WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), .. } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), ())>` for type `for<'a> fn(&'a (), ())` - --> $DIR/associated-type.rs:31:1 + --> $DIR/associated-type.rs:32:1 | LL | impl Overlap for T { | ------------------------ first implementation here diff --git a/tests/ui/coherence/occurs-check/associated-type.rs b/tests/ui/coherence/occurs-check/associated-type.rs index df03d5f60a02..e450c33e8093 100644 --- a/tests/ui/coherence/occurs-check/associated-type.rs +++ b/tests/ui/coherence/occurs-check/associated-type.rs @@ -1,4 +1,5 @@ //@ revisions: old next +//@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver // A regression test for #105787 diff --git a/tests/ui/coherence/occurs-check/opaques.current.stderr b/tests/ui/coherence/occurs-check/opaques.current.stderr index 96ef7cd4322b..f3fc22027c26 100644 --- a/tests/ui/coherence/occurs-check/opaques.current.stderr +++ b/tests/ui/coherence/occurs-check/opaques.current.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait<_>` - --> $DIR/opaques.rs:27:1 + --> $DIR/opaques.rs:28:1 | LL | impl Trait for T { | ---------------------- first implementation here diff --git a/tests/ui/coherence/occurs-check/opaques.next.stderr b/tests/ui/coherence/occurs-check/opaques.next.stderr index 5b8eb822d258..3de479963bb4 100644 --- a/tests/ui/coherence/occurs-check/opaques.next.stderr +++ b/tests/ui/coherence/occurs-check/opaques.next.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait<_>` - --> $DIR/opaques.rs:27:1 + --> $DIR/opaques.rs:28:1 | LL | impl Trait for T { | ---------------------- first implementation here @@ -8,7 +8,7 @@ LL | impl Trait for defining_scope::Alias { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation error[E0282]: type annotations needed - --> $DIR/opaques.rs:10:20 + --> $DIR/opaques.rs:11:20 | LL | pub fn cast(x: Container, T>) -> Container { | ^ cannot infer type diff --git a/tests/ui/coherence/occurs-check/opaques.rs b/tests/ui/coherence/occurs-check/opaques.rs index d7032dd53d97..e197256c78c7 100644 --- a/tests/ui/coherence/occurs-check/opaques.rs +++ b/tests/ui/coherence/occurs-check/opaques.rs @@ -1,4 +1,5 @@ -//@revisions: current next +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver // A regression test for #105787 diff --git a/tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr b/tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr deleted file mode 100644 index 44f76f321cf1..000000000000 --- a/tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - --> $DIR/orphan-check-opaque-types-not-covering.rs:17:6 - | -LL | impl foreign::Trait0 for Identity {} - | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - | - = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type - = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last - -error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - --> $DIR/orphan-check-opaque-types-not-covering.rs:26:6 - | -LL | impl foreign::Trait1 for Opaque {} - | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - | - = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type - = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0210`. diff --git a/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs b/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs index 8dc02b081c51..02e9eb65570c 100644 --- a/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs +++ b/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs @@ -1,8 +1,5 @@ // Opaque types never cover type parameters. -//@ revisions: classic next -//@[next] compile-flags: -Znext-solver - //@ aux-crate:foreign=parametrized-trait.rs //@ edition:2021 diff --git a/tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr b/tests/ui/coherence/orphan-check-opaque-types-not-covering.stderr similarity index 92% rename from tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr rename to tests/ui/coherence/orphan-check-opaque-types-not-covering.stderr index 44f76f321cf1..57f5bbd22787 100644 --- a/tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr +++ b/tests/ui/coherence/orphan-check-opaque-types-not-covering.stderr @@ -1,5 +1,5 @@ error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - --> $DIR/orphan-check-opaque-types-not-covering.rs:17:6 + --> $DIR/orphan-check-opaque-types-not-covering.rs:14:6 | LL | impl foreign::Trait0 for Identity {} | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) @@ -8,7 +8,7 @@ LL | impl foreign::Trait0 for Identity {} = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - --> $DIR/orphan-check-opaque-types-not-covering.rs:26:6 + --> $DIR/orphan-check-opaque-types-not-covering.rs:23:6 | LL | impl foreign::Trait1 for Opaque {} | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) diff --git a/tests/ui/coherence/orphan-check-projections-covering.rs b/tests/ui/coherence/orphan-check-projections-covering.rs index ae1917ec161f..804784463a1b 100644 --- a/tests/ui/coherence/orphan-check-projections-covering.rs +++ b/tests/ui/coherence/orphan-check-projections-covering.rs @@ -5,9 +5,6 @@ // first which would've lead to real-word regressions. //@ check-pass -//@ revisions: classic next -//@[next] compile-flags: -Znext-solver - //@ aux-crate:foreign=parametrized-trait.rs //@ edition:2021 diff --git a/tests/ui/coherence/orphan-check-weak-aliases-not-covering.next.stderr b/tests/ui/coherence/orphan-check-weak-aliases-not-covering.next.stderr deleted file mode 100644 index 276833fa1712..000000000000 --- a/tests/ui/coherence/orphan-check-weak-aliases-not-covering.next.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - --> $DIR/orphan-check-weak-aliases-not-covering.rs:16:6 - | -LL | impl foreign::Trait1 for Identity {} - | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - | - = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type - = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0210`. diff --git a/tests/ui/coherence/orphan-check-weak-aliases-not-covering.rs b/tests/ui/coherence/orphan-check-weak-aliases-not-covering.rs index 9ebc45a88293..6d9bccc4c689 100644 --- a/tests/ui/coherence/orphan-check-weak-aliases-not-covering.rs +++ b/tests/ui/coherence/orphan-check-weak-aliases-not-covering.rs @@ -1,8 +1,5 @@ // Weak aliases might not cover type parameters. -//@ revisions: classic next -//@[next] compile-flags: -Znext-solver - //@ aux-crate:foreign=parametrized-trait.rs //@ edition:2021 diff --git a/tests/ui/coherence/orphan-check-weak-aliases-not-covering.classic.stderr b/tests/ui/coherence/orphan-check-weak-aliases-not-covering.stderr similarity index 92% rename from tests/ui/coherence/orphan-check-weak-aliases-not-covering.classic.stderr rename to tests/ui/coherence/orphan-check-weak-aliases-not-covering.stderr index 276833fa1712..df915141a769 100644 --- a/tests/ui/coherence/orphan-check-weak-aliases-not-covering.classic.stderr +++ b/tests/ui/coherence/orphan-check-weak-aliases-not-covering.stderr @@ -1,5 +1,5 @@ error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) - --> $DIR/orphan-check-weak-aliases-not-covering.rs:16:6 + --> $DIR/orphan-check-weak-aliases-not-covering.rs:13:6 | LL | impl foreign::Trait1 for Identity {} | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) diff --git a/tests/ui/coherence/skip-reporting-if-references-err.current.stderr b/tests/ui/coherence/skip-reporting-if-references-err.current.stderr deleted file mode 100644 index 5de4cf626e48..000000000000 --- a/tests/ui/coherence/skip-reporting-if-references-err.current.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0726]: implicit elided lifetime not allowed here - --> $DIR/skip-reporting-if-references-err.rs:10:9 - | -LL | impl ToUnit for T {} - | ^^^^^^ expected lifetime parameter - | -help: indicate the anonymous lifetime - | -LL | impl ToUnit<'_> for T {} - | ++++ - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0726`. diff --git a/tests/ui/coherence/skip-reporting-if-references-err.next.stderr b/tests/ui/coherence/skip-reporting-if-references-err.next.stderr deleted file mode 100644 index 5de4cf626e48..000000000000 --- a/tests/ui/coherence/skip-reporting-if-references-err.next.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0726]: implicit elided lifetime not allowed here - --> $DIR/skip-reporting-if-references-err.rs:10:9 - | -LL | impl ToUnit for T {} - | ^^^^^^ expected lifetime parameter - | -help: indicate the anonymous lifetime - | -LL | impl ToUnit<'_> for T {} - | ++++ - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0726`. diff --git a/tests/ui/coherence/super-traits/super-trait-knowable-2.rs b/tests/ui/coherence/super-traits/super-trait-knowable-2.rs index d1f2e8d1c1a1..323ee0b10c9f 100644 --- a/tests/ui/coherence/super-traits/super-trait-knowable-2.rs +++ b/tests/ui/coherence/super-traits/super-trait-knowable-2.rs @@ -9,9 +9,6 @@ // which caused the old solver to emit a `Tensor: TensorValue` goal in // `fn normalize_to_error` which then failed, causing this test to pass. -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver //@ check-pass pub trait TensorValue { From a138a9261536ac2bdbb7c01a8aa9dc7d43299cae Mon Sep 17 00:00:00 2001 From: lcnr Date: Thu, 5 Sep 2024 07:54:13 +0000 Subject: [PATCH 050/149] update test description --- .../leak-check/leak-check-in-selection-5-ambig.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs index beda719ac208..9a44fd2e64a3 100644 --- a/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs +++ b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs @@ -3,9 +3,9 @@ //@ check-pass // The new trait solver does not return region constraints if the goal -// is still ambiguous. This causes the following test to fail with ambiguity, -// even though `(): LeakCheckFailure<'!a, V>` would return `'!a: 'static` -// which would have caused a leak check failure. +// is still ambiguous. However, the `'!a = 'static` constraint from +// `(): LeakCheckFailure<'!a, V>` is also returned via the canonical +// var values, causing this test to compile. trait Ambig {} impl Ambig for u32 {} From e8472e84e3e1ef614b97896d42e0a6976fb02855 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 13 Aug 2024 17:38:24 -0400 Subject: [PATCH 051/149] Check unnormalized signature on pointer cast --- compiler/rustc_borrowck/src/type_check/mod.rs | 71 +++++++++++++++++-- ...ed-references-plus-variance-early-bound.rs | 11 +++ ...eferences-plus-variance-early-bound.stderr | 10 +++ ...d-references-plus-variance-unnormalized.rs | 17 +++++ ...ferences-plus-variance-unnormalized.stderr | 14 ++++ ...unds-on-nested-references-plus-variance.rs | 7 +- ...-on-nested-references-plus-variance.stderr | 10 +++ 7 files changed, 127 insertions(+), 13 deletions(-) create mode 100644 tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs create mode 100644 tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr create mode 100644 tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs create mode 100644 tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr create mode 100644 tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 224f8d5c893d..3c9a43883ad6 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -1979,19 +1979,76 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { match cast_kind { CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer) => { - let fn_sig = op.ty(body, tcx).fn_sig(tcx); + let src_sig = op.ty(body, tcx).fn_sig(tcx); + + // HACK: This shouldn't be necessary... We can remove this when we actually + // get binders with where clauses, then elaborate implied bounds into that + // binder, and implement a higher-ranked subtyping algorithm that actually + // respects these implied bounds. + // + // This protects against the case where we are casting from a higher-ranked + // fn item to a non-higher-ranked fn pointer, where the cast throws away + // implied bounds that would've needed to be checked at the call site. This + // only works when we're casting to a non-higher-ranked fn ptr, since + // placeholders in the target signature could have untracked implied + // bounds, resulting in incorrect errors. + // + // We check that this signature is WF before subtyping the signature with + // the target fn sig. + if src_sig.has_bound_regions() + && let ty::FnPtr(target_fn_tys, target_hdr) = *ty.kind() + && let target_sig = target_fn_tys.with(target_hdr) + && let Some(target_sig) = target_sig.no_bound_vars() + { + let src_sig = self.infcx.instantiate_binder_with_fresh_vars( + span, + BoundRegionConversionTime::HigherRankedType, + src_sig, + ); + let src_ty = Ty::new_fn_ptr(self.tcx(), ty::Binder::dummy(src_sig)); + self.prove_predicate( + ty::ClauseKind::WellFormed(src_ty.into()), + location.to_locations(), + ConstraintCategory::Cast { unsize_to: None }, + ); + + let src_ty = self.normalize(src_ty, location); + if let Err(terr) = self.sub_types( + src_ty, + *ty, + location.to_locations(), + ConstraintCategory::Cast { unsize_to: None }, + ) { + span_mirbug!( + self, + rvalue, + "equating {:?} with {:?} yields {:?}", + target_sig, + src_sig, + terr + ); + }; + } + + let src_ty = Ty::new_fn_ptr(tcx, src_sig); + // HACK: We want to assert that the signature of the source fn is + // well-formed, because we don't enforce that via the WF of FnDef + // types normally. This should be removed when we improve the tracking + // of implied bounds of fn signatures. + self.prove_predicate( + ty::ClauseKind::WellFormed(src_ty.into()), + location.to_locations(), + ConstraintCategory::Cast { unsize_to: None }, + ); // The type that we see in the fcx is like // `foo::<'a, 'b>`, where `foo` is the path to a // function definition. When we extract the // signature, it comes from the `fn_sig` query, // and hence may contain unnormalized results. - let fn_sig = self.normalize(fn_sig, location); - - let ty_fn_ptr_from = Ty::new_fn_ptr(tcx, fn_sig); - + let src_ty = self.normalize(src_ty, location); if let Err(terr) = self.sub_types( - ty_fn_ptr_from, + src_ty, *ty, location.to_locations(), ConstraintCategory::Cast { unsize_to: None }, @@ -2000,7 +2057,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { self, rvalue, "equating {:?} with {:?} yields {:?}", - ty_fn_ptr_from, + src_ty, ty, terr ); diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs new file mode 100644 index 000000000000..16095f66da71 --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs @@ -0,0 +1,11 @@ +static UNIT: &'static &'static () = &&(); + +fn foo<'a: 'a, 'b: 'b, T>(_: &'a &'b (), v: &'b T) -> &'a T { v } + +fn bad<'a, T>(x: &'a T) -> &'static T { + let f: fn(_, &'a T) -> &'static T = foo; + //~^ ERROR lifetime may not live long enough + f(UNIT, x) +} + +fn main() {} diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr new file mode 100644 index 000000000000..4925576e5a09 --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/implied-bounds-on-nested-references-plus-variance-early-bound.rs:6:12 + | +LL | fn bad<'a, T>(x: &'a T) -> &'static T { + | -- lifetime `'a` defined here +LL | let f: fn(_, &'a T) -> &'static T = foo; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` + +error: aborting due to 1 previous error + diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs new file mode 100644 index 000000000000..b842b21224d4 --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs @@ -0,0 +1,17 @@ +trait ToArg { + type Arg; +} +impl ToArg for U { + type Arg = T; +} + +fn extend_inner<'a, 'b>(x: &'a str) -> <&'b &'a () as ToArg<&'b str>>::Arg { x } +fn extend<'a, 'b>(x: &'a str) -> &'b str { + (extend_inner as fn(_) -> _)(x) + //~^ ERROR lifetime may not live long enough +} + +fn main() { + let y = extend(&String::from("Hello World")); + println!("{}", y); +} diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr new file mode 100644 index 000000000000..a2ac0d897b66 --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr @@ -0,0 +1,14 @@ +error: lifetime may not live long enough + --> $DIR/implied-bounds-on-nested-references-plus-variance-unnormalized.rs:10:5 + | +LL | fn extend<'a, 'b>(x: &'a str) -> &'b str { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +LL | (extend_inner as fn(_) -> _)(x) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | + = help: consider adding the following bound: `'a: 'b` + +error: aborting due to 1 previous error + diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs index f3401f34eec7..d40418a4e902 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs @@ -1,15 +1,10 @@ -//@ check-pass -//@ known-bug: #25860 - -// Should fail. The combination of variance and implied bounds for nested -// references allows us to infer a longer lifetime than we can prove. - static UNIT: &'static &'static () = &&(); fn foo<'a, 'b, T>(_: &'a &'b (), v: &'b T) -> &'a T { v } fn bad<'a, T>(x: &'a T) -> &'static T { let f: fn(_, &'a T) -> &'static T = foo; + //~^ ERROR lifetime may not live long enough f(UNIT, x) } diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr new file mode 100644 index 000000000000..1ad9ba31f37b --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/implied-bounds-on-nested-references-plus-variance.rs:6:12 + | +LL | fn bad<'a, T>(x: &'a T) -> &'static T { + | -- lifetime `'a` defined here +LL | let f: fn(_, &'a T) -> &'static T = foo; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` + +error: aborting due to 1 previous error + From 67804c57e7a53b96d79b49bf6e356e3ade4d943d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 25 Aug 2024 16:56:06 -0400 Subject: [PATCH 052/149] Adjust tests --- ...d-bounds-on-nested-references-plus-variance-2.rs | 13 +++++++++++++ ...n-nested-references-plus-variance-early-bound.rs | 2 ++ ...sted-references-plus-variance-early-bound.stderr | 2 +- ...-nested-references-plus-variance-unnormalized.rs | 2 ++ ...ted-references-plus-variance-unnormalized.stderr | 2 +- ...ied-bounds-on-nested-references-plus-variance.rs | 2 ++ ...bounds-on-nested-references-plus-variance.stderr | 2 +- 7 files changed, 22 insertions(+), 3 deletions(-) create mode 100644 tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-2.rs diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-2.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-2.rs new file mode 100644 index 000000000000..ca8b8b7e4d92 --- /dev/null +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-2.rs @@ -0,0 +1,13 @@ +//@ check-pass +//@ known-bug: #25860 + +static UNIT: &'static &'static () = &&(); + +fn foo<'a, 'b, T>(_: &'a &'b (), v: &'b T, _: &()) -> &'a T { v } + +fn bad<'a, T>(x: &'a T) -> &'static T { + let f: fn(_, &'a T, &()) -> &'static T = foo; + f(UNIT, x, &()) +} + +fn main() {} diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs index 16095f66da71..226a6fa30163 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.rs @@ -1,3 +1,5 @@ +// Regression test for #129021. + static UNIT: &'static &'static () = &&(); fn foo<'a: 'a, 'b: 'b, T>(_: &'a &'b (), v: &'b T) -> &'a T { v } diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr index 4925576e5a09..84d2a6d2b6a6 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-early-bound.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/implied-bounds-on-nested-references-plus-variance-early-bound.rs:6:12 + --> $DIR/implied-bounds-on-nested-references-plus-variance-early-bound.rs:8:12 | LL | fn bad<'a, T>(x: &'a T) -> &'static T { | -- lifetime `'a` defined here diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs index b842b21224d4..f30689901893 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.rs @@ -1,3 +1,5 @@ +// Regression test for #129021. + trait ToArg { type Arg; } diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr index a2ac0d897b66..4cdb959786a5 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance-unnormalized.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/implied-bounds-on-nested-references-plus-variance-unnormalized.rs:10:5 + --> $DIR/implied-bounds-on-nested-references-plus-variance-unnormalized.rs:12:5 | LL | fn extend<'a, 'b>(x: &'a str) -> &'b str { | -- -- lifetime `'b` defined here diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs index d40418a4e902..6de81cba7281 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.rs @@ -1,3 +1,5 @@ +// Regression test for #129021. + static UNIT: &'static &'static () = &&(); fn foo<'a, 'b, T>(_: &'a &'b (), v: &'b T) -> &'a T { v } diff --git a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr index 1ad9ba31f37b..c96fa92937b0 100644 --- a/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr +++ b/tests/ui/implied-bounds/implied-bounds-on-nested-references-plus-variance.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/implied-bounds-on-nested-references-plus-variance.rs:6:12 + --> $DIR/implied-bounds-on-nested-references-plus-variance.rs:8:12 | LL | fn bad<'a, T>(x: &'a T) -> &'static T { | -- lifetime `'a` defined here From e04ede46bb172c0723c243b97720af18a1959de9 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 5 Sep 2024 08:42:50 -0400 Subject: [PATCH 053/149] Don't store region in CapturedPlace --- compiler/rustc_hir_typeck/src/upvar.rs | 59 ++++++++----------------- compiler/rustc_middle/src/ty/closure.rs | 3 -- 2 files changed, 19 insertions(+), 43 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index 5789e60ebbeb..7688a63a30a4 100644 --- a/compiler/rustc_hir_typeck/src/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs @@ -39,7 +39,6 @@ use rustc_hir as hir; use rustc_hir::def_id::LocalDefId; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::HirId; -use rustc_infer::infer::UpvarRegion; use rustc_middle::hir::place::{Place, PlaceBase, PlaceWithHirId, Projection, ProjectionKind}; use rustc_middle::mir::FakeReadCause; use rustc_middle::traits::ObligationCauseCode; @@ -425,7 +424,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.tcx, upvar_ty, capture, - if needs_ref { Some(closure_env_region) } else { child_capture.region }, + if needs_ref { + closure_env_region + } else { + self.tcx.lifetimes.re_erased + }, ); }, ), @@ -587,7 +590,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { debug!(?captured_place.place, ?upvar_ty, ?capture, ?captured_place.mutability); - apply_capture_kind_on_capture_ty(self.tcx, upvar_ty, capture, captured_place.region) + apply_capture_kind_on_capture_ty( + self.tcx, + upvar_ty, + capture, + self.tcx.lifetimes.re_erased, + ) }) .collect() } @@ -775,13 +783,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let Some(min_cap_list) = root_var_min_capture_list.get_mut(&var_hir_id) else { let mutability = self.determine_capture_mutability(&typeck_results, &place); - let min_cap_list = vec![ty::CapturedPlace { - var_ident, - place, - info: capture_info, - mutability, - region: None, - }]; + let min_cap_list = + vec![ty::CapturedPlace { var_ident, place, info: capture_info, mutability }]; root_var_min_capture_list.insert(var_hir_id, min_cap_list); continue; }; @@ -874,34 +877,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Only need to insert when we don't have an ancestor in the existing min capture list if !ancestor_found { let mutability = self.determine_capture_mutability(&typeck_results, &place); - let captured_place = ty::CapturedPlace { - var_ident, - place, - info: updated_capture_info, - mutability, - region: None, - }; + let captured_place = + ty::CapturedPlace { var_ident, place, info: updated_capture_info, mutability }; min_cap_list.push(captured_place); } } - // For each capture that is determined to be captured by ref, add region info. - for (_, captures) in &mut root_var_min_capture_list { - for capture in captures { - match capture.info.capture_kind { - ty::UpvarCapture::ByRef(_) => { - let PlaceBase::Upvar(upvar_id) = capture.place.base else { - bug!("expected upvar") - }; - let origin = UpvarRegion(upvar_id, closure_span); - let upvar_region = self.next_region_var(origin); - capture.region = Some(upvar_region); - } - _ => (), - } - } - } - debug!( "For closure={:?}, min_captures before sorting={:?}", closure_def_id, root_var_min_capture_list @@ -1195,7 +1176,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.tcx, ty, max_capture_info.capture_kind, - Some(self.tcx.lifetimes.re_erased), + self.tcx.lifetimes.re_erased, ) } }; @@ -1217,7 +1198,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.tcx, capture.place.ty(), capture.info.capture_kind, - Some(self.tcx.lifetimes.re_erased), + self.tcx.lifetimes.re_erased, ); // Checks if a capture implements any of the auto traits @@ -1935,13 +1916,11 @@ fn apply_capture_kind_on_capture_ty<'tcx>( tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, capture_kind: UpvarCapture, - region: Option>, + region: ty::Region<'tcx>, ) -> Ty<'tcx> { match capture_kind { ty::UpvarCapture::ByValue => ty, - ty::UpvarCapture::ByRef(kind) => { - Ty::new_ref(tcx, region.unwrap(), ty, kind.to_mutbl_lossy()) - } + ty::UpvarCapture::ByRef(kind) => Ty::new_ref(tcx, region, ty, kind.to_mutbl_lossy()), } } diff --git a/compiler/rustc_middle/src/ty/closure.rs b/compiler/rustc_middle/src/ty/closure.rs index 8eb3c0156796..809801c33e1a 100644 --- a/compiler/rustc_middle/src/ty/closure.rs +++ b/compiler/rustc_middle/src/ty/closure.rs @@ -88,9 +88,6 @@ pub struct CapturedPlace<'tcx> { /// Represents if `place` can be mutated or not. pub mutability: hir::Mutability, - - /// Region of the resulting reference if the upvar is captured by ref. - pub region: Option>, } impl<'tcx> CapturedPlace<'tcx> { From 588dce14211bdfb1305c495f01c697e29e946e10 Mon Sep 17 00:00:00 2001 From: Bryanskiy Date: Mon, 26 Aug 2024 19:57:59 +0300 Subject: [PATCH 054/149] Delegation: support generics in associated delegation items --- .../src/collect/generics_of.rs | 16 +- .../src/collect/predicates_of.rs | 16 +- compiler/rustc_hir_analysis/src/delegation.rs | 245 ++++++++++++++---- .../error_reporting/infer/need_type_info.rs | 3 + .../generics/impl-to-free-fn-pass.rs | 29 +++ .../generics/impl-to-trait-method.rs | 44 ++++ .../generics/impl-to-trait-method.stderr | 49 ++++ .../impl-trait-to-trait-method-pass.rs | 77 ++++++ .../inherent-impl-to-trait-method-pass.rs | 23 ++ .../generics/trait-method-to-other-pass.rs | 30 +++ tests/ui/delegation/ice-issue-124347.rs | 4 +- tests/ui/delegation/ice-issue-124347.stderr | 14 +- tests/ui/delegation/unsupported.rs | 59 ----- tests/ui/delegation/unsupported.stderr | 165 ++---------- 14 files changed, 501 insertions(+), 273 deletions(-) create mode 100644 tests/ui/delegation/generics/impl-to-free-fn-pass.rs create mode 100644 tests/ui/delegation/generics/impl-to-trait-method.rs create mode 100644 tests/ui/delegation/generics/impl-to-trait-method.stderr create mode 100644 tests/ui/delegation/generics/impl-trait-to-trait-method-pass.rs create mode 100644 tests/ui/delegation/generics/inherent-impl-to-trait-method-pass.rs create mode 100644 tests/ui/delegation/generics/trait-method-to-other-pass.rs diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index 28d6cab4b439..e5f3d68caa5a 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -58,6 +58,12 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { let hir_id = tcx.local_def_id_to_hir_id(def_id); let node = tcx.hir_node(hir_id); + if let Some(sig) = node.fn_sig() + && let Some(sig_id) = sig.decl.opt_delegation_sig_id() + { + return inherit_generics_for_delegation_item(tcx, def_id, sig_id); + } + let parent_def_id = match node { Node::ImplItem(_) | Node::TraitItem(_) @@ -228,16 +234,6 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { // inherit the generics of the item. Some(parent.to_def_id()) } - ItemKind::Fn(sig, _, _) => { - // For a delegation item inherit generics from callee. - if let Some(sig_id) = sig.decl.opt_delegation_sig_id() - && let Some(generics) = - inherit_generics_for_delegation_item(tcx, def_id, sig_id) - { - return generics; - } - None - } _ => None, }, _ => None, diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 6ac4802b1951..61ba4346c61a 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -120,6 +120,12 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen let hir_id = tcx.local_def_id_to_hir_id(def_id); let node = tcx.hir_node(hir_id); + if let Some(sig) = node.fn_sig() + && let Some(sig_id) = sig.decl.opt_delegation_sig_id() + { + return inherit_predicates_for_delegation_item(tcx, def_id, sig_id); + } + let mut is_trait = None; let mut is_default_impl_trait = None; @@ -146,16 +152,6 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen ItemKind::Trait(_, _, _, self_bounds, ..) | ItemKind::TraitAlias(_, self_bounds) => { is_trait = Some(self_bounds); } - - ItemKind::Fn(sig, _, _) => { - // For a delegation item inherit predicates from callee. - if let Some(sig_id) = sig.decl.opt_delegation_sig_id() - && let Some(predicates) = - inherit_predicates_for_delegation_item(tcx, def_id, sig_id) - { - return predicates; - } - } _ => {} } }; diff --git a/compiler/rustc_hir_analysis/src/delegation.rs b/compiler/rustc_hir_analysis/src/delegation.rs index d7a0698b6b3f..2c9f20b7840f 100644 --- a/compiler/rustc_hir_analysis/src/delegation.rs +++ b/compiler/rustc_hir_analysis/src/delegation.rs @@ -1,3 +1,7 @@ +//! Support inheriting generic parameters and predicates for function delegation. +//! +//! For more information about delegation design, see the tracking issue #118212. + use std::assert_matches::debug_assert_matches; use rustc_data_structures::fx::FxHashMap; @@ -5,7 +9,7 @@ use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_span::ErrorGuaranteed; +use rustc_span::{ErrorGuaranteed, Span}; use rustc_type_ir::visit::TypeVisitableExt; type RemapTable = FxHashMap; @@ -76,24 +80,60 @@ fn fn_kind<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> FnKind { } } +/// Given the current context(caller and callee `FnKind`), it specifies +/// the policy of predicates and generic parameters inheritance. +#[derive(Clone, Copy, Debug, PartialEq)] +enum InheritanceKind { + /// Copying all predicates and parameters, including those of the parent + /// container. + /// + /// Boolean value defines whether the `Self` parameter or `Self: Trait` + /// predicate are copied. It's always equal to `false` except when + /// delegating from a free function to a trait method. + /// + /// FIXME(fn_delegation): This often leads to type inference + /// errors. Support providing generic arguments or restrict use sites. + WithParent(bool), + /// The trait implementation should be compatible with the original trait. + /// Therefore, for trait implementations only the method's own parameters + /// and predicates are copied. + Own, +} + struct GenericsBuilder<'tcx> { tcx: TyCtxt<'tcx>, sig_id: DefId, parent: Option, + inh_kind: InheritanceKind, } impl<'tcx> GenericsBuilder<'tcx> { fn new(tcx: TyCtxt<'tcx>, sig_id: DefId) -> GenericsBuilder<'tcx> { - GenericsBuilder { tcx, sig_id, parent: None } + GenericsBuilder { tcx, sig_id, parent: None, inh_kind: InheritanceKind::WithParent(false) } + } + + fn with_parent(mut self, parent: DefId) -> Self { + self.parent = Some(parent); + self + } + + fn with_inheritance_kind(mut self, inh_kind: InheritanceKind) -> Self { + self.inh_kind = inh_kind; + self } fn build(self) -> ty::Generics { let mut own_params = vec![]; let sig_generics = self.tcx.generics_of(self.sig_id); - if let Some(parent_def_id) = sig_generics.parent { + if let InheritanceKind::WithParent(has_self) = self.inh_kind + && let Some(parent_def_id) = sig_generics.parent + { let sig_parent_generics = self.tcx.generics_of(parent_def_id); own_params.append(&mut sig_parent_generics.own_params.clone()); + if !has_self { + own_params.remove(0); + } } own_params.append(&mut sig_generics.own_params.clone()); @@ -115,8 +155,16 @@ impl<'tcx> GenericsBuilder<'tcx> { let param_def_id_to_index = own_params.iter().map(|param| (param.def_id, param.index)).collect(); + let (parent_count, has_self) = if let Some(def_id) = self.parent { + let parent_generics = self.tcx.generics_of(def_id); + let parent_kind = self.tcx.def_kind(def_id); + (parent_generics.count(), parent_kind == DefKind::Trait) + } else { + (0, false) + }; + for (idx, param) in own_params.iter_mut().enumerate() { - param.index = idx as u32; + param.index = (idx + parent_count) as u32; // FIXME(fn_delegation): Default parameters are not inherited, because they are // not permitted in functions. Therefore, there are 2 options here: // @@ -133,10 +181,10 @@ impl<'tcx> GenericsBuilder<'tcx> { ty::Generics { parent: self.parent, - parent_count: 0, + parent_count, own_params, param_def_id_to_index, - has_self: false, + has_self, has_late_bound_regions: sig_generics.has_late_bound_regions, host_effect_index: sig_generics.host_effect_index, } @@ -145,9 +193,10 @@ impl<'tcx> GenericsBuilder<'tcx> { struct PredicatesBuilder<'tcx> { tcx: TyCtxt<'tcx>, - args: ty::GenericArgsRef<'tcx>, - parent: Option, sig_id: DefId, + parent: Option, + inh_kind: InheritanceKind, + args: ty::GenericArgsRef<'tcx>, } impl<'tcx> PredicatesBuilder<'tcx> { @@ -156,18 +205,76 @@ impl<'tcx> PredicatesBuilder<'tcx> { args: ty::GenericArgsRef<'tcx>, sig_id: DefId, ) -> PredicatesBuilder<'tcx> { - PredicatesBuilder { tcx, args, parent: None, sig_id } + PredicatesBuilder { + tcx, + sig_id, + parent: None, + inh_kind: InheritanceKind::WithParent(false), + args, + } + } + + fn with_parent(mut self, parent: DefId) -> Self { + self.parent = Some(parent); + self + } + + fn with_inheritance_kind(mut self, inh_kind: InheritanceKind) -> Self { + self.inh_kind = inh_kind; + self } fn build(self) -> ty::GenericPredicates<'tcx> { - let mut preds = vec![]; - - let sig_predicates = self.tcx.predicates_of(self.sig_id); - if let Some(parent) = sig_predicates.parent { - let sig_parent_preds = self.tcx.predicates_of(parent); - preds.extend(sig_parent_preds.instantiate_own(self.tcx, self.args)); + struct PredicatesCollector<'tcx> { + tcx: TyCtxt<'tcx>, + preds: Vec<(ty::Clause<'tcx>, Span)>, + args: ty::GenericArgsRef<'tcx>, } - preds.extend(sig_predicates.instantiate_own(self.tcx, self.args)); + + impl<'tcx> PredicatesCollector<'tcx> { + fn new(tcx: TyCtxt<'tcx>, args: ty::GenericArgsRef<'tcx>) -> PredicatesCollector<'tcx> { + PredicatesCollector { tcx, preds: vec![], args } + } + + fn with_own_preds( + mut self, + f: impl Fn(DefId) -> ty::GenericPredicates<'tcx>, + def_id: DefId, + ) -> Self { + let preds = f(def_id).instantiate_own(self.tcx, self.args); + self.preds.extend(preds); + self + } + + fn with_preds( + mut self, + f: impl Fn(DefId) -> ty::GenericPredicates<'tcx> + Copy, + def_id: DefId, + ) -> Self { + let preds = f(def_id); + if let Some(parent_def_id) = preds.parent { + self = self.with_own_preds(f, parent_def_id); + } + self.with_own_preds(f, def_id) + } + } + let collector = PredicatesCollector::new(self.tcx, self.args); + + // `explicit_predicates_of` is used here to avoid copying `Self: Trait` predicate. + // Note: `predicates_of` query can also add inferred outlives predicates, but that + // is not the case here as `sig_id` is either a trait or a function. + let preds = match self.inh_kind { + InheritanceKind::WithParent(false) => { + collector.with_preds(|def_id| self.tcx.explicit_predicates_of(def_id), self.sig_id) + } + InheritanceKind::WithParent(true) => { + collector.with_preds(|def_id| self.tcx.predicates_of(def_id), self.sig_id) + } + InheritanceKind::Own => { + collector.with_own_preds(|def_id| self.tcx.predicates_of(def_id), self.sig_id) + } + } + .preds; ty::GenericPredicates { parent: self.parent, @@ -214,7 +321,6 @@ fn create_generic_args<'tcx>( let caller_kind = fn_kind(tcx, def_id.into()); let callee_kind = fn_kind(tcx, sig_id); - match (caller_kind, callee_kind) { (FnKind::Free, FnKind::Free) | (FnKind::Free, FnKind::AssocTrait) @@ -224,14 +330,32 @@ fn create_generic_args<'tcx>( let args = ty::GenericArgs::identity_for_item(tcx, sig_id); builder.build_from_args(args) } - // FIXME(fn_delegation): Only `Self` param supported here. - (FnKind::AssocTraitImpl, FnKind::AssocTrait) - | (FnKind::AssocInherentImpl, FnKind::AssocTrait) => { + + (FnKind::AssocTraitImpl, FnKind::AssocTrait) => { + let callee_generics = tcx.generics_of(sig_id); + let parent = tcx.parent(def_id.into()); + let parent_args = + tcx.impl_trait_header(parent).unwrap().trait_ref.instantiate_identity().args; + + let trait_args = ty::GenericArgs::identity_for_item(tcx, sig_id); + let method_args = tcx.mk_args_from_iter(trait_args.iter().skip(callee_generics.parent_count)); + let method_args = builder.build_from_args(method_args); + + tcx.mk_args_from_iter(parent_args.iter().chain(method_args)) + } + + (FnKind::AssocInherentImpl, FnKind::AssocTrait) => { let parent = tcx.parent(def_id.into()); let self_ty = tcx.type_of(parent).instantiate_identity(); let generic_self_ty = ty::GenericArg::from(self_ty); - tcx.mk_args_from_iter(std::iter::once(generic_self_ty)) + + let trait_args = ty::GenericArgs::identity_for_item(tcx, sig_id); + let trait_args = builder.build_from_args(trait_args); + + let args = std::iter::once(generic_self_ty).chain(trait_args.iter().skip(1)); + tcx.mk_args_from_iter(args) } + // For trait impl's `sig_id` is always equal to the corresponding trait method. (FnKind::AssocTraitImpl, _) | (_, FnKind::AssocTraitImpl) @@ -240,27 +364,50 @@ fn create_generic_args<'tcx>( } } +// FIXME(fn_delegation): Move generics inheritance to the AST->HIR lowering. +// For now, generic parameters are not propagated to the generated call, +// which leads to inference errors: +// +// fn foo(x: i32) {} +// +// reuse foo as bar; +// desugaring: +// fn bar() { +// foo::<_>() // ERROR: type annotations needed +// } pub(crate) fn inherit_generics_for_delegation_item<'tcx>( tcx: TyCtxt<'tcx>, def_id: LocalDefId, sig_id: DefId, -) -> Option { +) -> ty::Generics { let builder = GenericsBuilder::new(tcx, sig_id); let caller_kind = fn_kind(tcx, def_id.into()); let callee_kind = fn_kind(tcx, sig_id); - - // FIXME(fn_delegation): Support generics on associated delegation items. - // Error will be reported in `check_constraints`. match (caller_kind, callee_kind) { (FnKind::Free, FnKind::Free) - | (FnKind::Free, FnKind::AssocTrait) => Some(builder.build()), + | (FnKind::Free, FnKind::AssocTrait) => builder.with_inheritance_kind(InheritanceKind::WithParent(true)).build(), - (FnKind::AssocTraitImpl, FnKind::AssocTrait) - | (FnKind::AssocInherentImpl, FnKind::AssocTrait) - | (FnKind::AssocTrait, FnKind::AssocTrait) - | (FnKind::AssocInherentImpl, FnKind::Free) - | (FnKind::AssocTrait, FnKind::Free) => None, + (FnKind::AssocTraitImpl, FnKind::AssocTrait) => { + builder + .with_parent(tcx.parent(def_id.into())) + .with_inheritance_kind(InheritanceKind::Own) + .build() + } + + (FnKind::AssocInherentImpl, FnKind::AssocTrait) + | (FnKind::AssocTrait, FnKind::AssocTrait) => { + builder + .with_parent(tcx.parent(def_id.into())) + .build() + } + + (FnKind::AssocInherentImpl, FnKind::Free) + | (FnKind::AssocTrait, FnKind::Free) => { + builder + .with_parent(tcx.parent(def_id.into())) + .build() + } // For trait impl's `sig_id` is always equal to the corresponding trait method. (FnKind::AssocTraitImpl, _) @@ -274,26 +421,33 @@ pub(crate) fn inherit_predicates_for_delegation_item<'tcx>( tcx: TyCtxt<'tcx>, def_id: LocalDefId, sig_id: DefId, -) -> Option> { +) -> ty::GenericPredicates<'tcx> { let args = create_generic_args(tcx, def_id, sig_id); let builder = PredicatesBuilder::new(tcx, args, sig_id); let caller_kind = fn_kind(tcx, def_id.into()); let callee_kind = fn_kind(tcx, sig_id); - - // FIXME(fn_delegation): Support generics on associated delegation items. - // Error will be reported in `check_constraints`. match (caller_kind, callee_kind) { (FnKind::Free, FnKind::Free) | (FnKind::Free, FnKind::AssocTrait) => { - Some(builder.build()) + builder.with_inheritance_kind(InheritanceKind::WithParent(true)).build() } - (FnKind::AssocTraitImpl, FnKind::AssocTrait) - | (FnKind::AssocInherentImpl, FnKind::AssocTrait) + (FnKind::AssocTraitImpl, FnKind::AssocTrait) => { + builder + .with_parent(tcx.parent(def_id.into())) + .with_inheritance_kind(InheritanceKind::Own) + .build() + } + + (FnKind::AssocInherentImpl, FnKind::AssocTrait) | (FnKind::AssocTrait, FnKind::AssocTrait) | (FnKind::AssocInherentImpl, FnKind::Free) - | (FnKind::AssocTrait, FnKind::Free) => None, + | (FnKind::AssocTrait, FnKind::Free) => { + builder + .with_parent(tcx.parent(def_id.into())) + .build() + } // For trait impl's `sig_id` is always equal to the corresponding trait method. (FnKind::AssocTraitImpl, _) @@ -328,19 +482,6 @@ fn check_constraints<'tcx>( emit("recursive delegation is not supported yet"); } - if fn_kind(tcx, def_id.into()) != FnKind::Free { - let sig_generics = tcx.generics_of(sig_id); - let parent = tcx.parent(def_id.into()); - let parent_generics = tcx.generics_of(parent); - - let parent_has_self = parent_generics.has_self as usize; - let sig_has_self = sig_generics.has_self as usize; - - if sig_generics.count() > sig_has_self || parent_generics.count() > parent_has_self { - emit("early bound generics are not supported for associated delegation items"); - } - } - ret } diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs index f6dd7898fb28..2d0a7ce47f6b 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs @@ -1253,6 +1253,9 @@ impl<'a, 'tcx> Visitor<'tcx> for FindInferSourceVisitor<'a, 'tcx> { && let Some(def_id) = self.typeck_results.type_dependent_def_id(expr.hir_id) && self.tecx.tcx.trait_of_item(def_id).is_some() && !has_impl_trait(def_id) + // FIXME(fn_delegation): In delegation item argument spans are equal to last path + // segment. This leads to ICE's when emitting `multipart_suggestion`. + && tcx.hir().opt_delegation_sig_id(expr.hir_id.owner.def_id).is_none() { let successor = method_args.get(0).map_or_else(|| (")", span.hi()), |arg| (", ", arg.span.lo())); diff --git a/tests/ui/delegation/generics/impl-to-free-fn-pass.rs b/tests/ui/delegation/generics/impl-to-free-fn-pass.rs new file mode 100644 index 000000000000..3b39a4574675 --- /dev/null +++ b/tests/ui/delegation/generics/impl-to-free-fn-pass.rs @@ -0,0 +1,29 @@ +//@ run-pass +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +mod to_reuse { + pub fn foo(_: T, y: U) -> U { y } +} + +trait Trait { + fn foo(&self, x: T) -> T { x } +} +struct F; +impl Trait for F {} + +struct S(F, T); + +impl Trait for S { + reuse to_reuse::foo { &self.0 } +} + +impl S { + reuse to_reuse::foo; +} + +fn main() { + let s = S(F, 42); + assert_eq!(S::::foo(F, 1), 1); + assert_eq!( as Trait<_>>::foo(&s, 1), 1); +} diff --git a/tests/ui/delegation/generics/impl-to-trait-method.rs b/tests/ui/delegation/generics/impl-to-trait-method.rs new file mode 100644 index 000000000000..39e32e2ed150 --- /dev/null +++ b/tests/ui/delegation/generics/impl-to-trait-method.rs @@ -0,0 +1,44 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +mod bounds { + trait Trait0 {} + + trait Trait1 { + fn foo(&self) + where + T: Trait0, + U: Trait0, + Self: Trait0, + //~^ ERROR the trait bound `bounds::S: Trait0` is not satisfied + { + } + } + + struct F; + impl Trait1 for F {} + + struct S(F); + + impl Trait1 for S { + reuse Trait1::::foo { &self.0 } + //~^ ERROR the trait bound `bounds::F: Trait0` is not satisfied + } +} + +mod unconstrained_parameter { + trait Trait { + fn foo(&self) {} + } + + struct F; + impl Trait for F {} + + struct S(F); + impl S { + reuse Trait::foo { &self.0 } + //~^ ERROR type annotations needed + } +} + +fn main() {} diff --git a/tests/ui/delegation/generics/impl-to-trait-method.stderr b/tests/ui/delegation/generics/impl-to-trait-method.stderr new file mode 100644 index 000000000000..aeba30de043f --- /dev/null +++ b/tests/ui/delegation/generics/impl-to-trait-method.stderr @@ -0,0 +1,49 @@ +error[E0277]: the trait bound `bounds::S: Trait0` is not satisfied + --> $DIR/impl-to-trait-method.rs:12:19 + | +LL | Self: Trait0, + | ^^^^^^ the trait `Trait0` is not implemented for `bounds::S` + | +help: this trait has no implementations, consider adding one + --> $DIR/impl-to-trait-method.rs:5:5 + | +LL | trait Trait0 {} + | ^^^^^^^^^^^^ + = help: see issue #48214 +help: add `#![feature(trivial_bounds)]` to the crate attributes to enable + | +LL + #![feature(trivial_bounds)] + | + +error[E0277]: the trait bound `bounds::F: Trait0` is not satisfied + --> $DIR/impl-to-trait-method.rs:24:34 + | +LL | reuse Trait1::::foo { &self.0 } + | --- ^^^^^^^ the trait `Trait0` is not implemented for `bounds::F` + | | + | required by a bound introduced by this call + | +help: this trait has no implementations, consider adding one + --> $DIR/impl-to-trait-method.rs:5:5 + | +LL | trait Trait0 {} + | ^^^^^^^^^^^^ +note: required by a bound in `Trait1::foo` + --> $DIR/impl-to-trait-method.rs:12:19 + | +LL | fn foo(&self) + | --- required by a bound in this associated function +... +LL | Self: Trait0, + | ^^^^^^ required by this bound in `Trait1::foo` + +error[E0282]: type annotations needed + --> $DIR/impl-to-trait-method.rs:39:22 + | +LL | reuse Trait::foo { &self.0 } + | ^^^ cannot infer type for type parameter `T` declared on the trait `Trait` + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0277, E0282. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/delegation/generics/impl-trait-to-trait-method-pass.rs b/tests/ui/delegation/generics/impl-trait-to-trait-method-pass.rs new file mode 100644 index 000000000000..72440fe82d44 --- /dev/null +++ b/tests/ui/delegation/generics/impl-trait-to-trait-method-pass.rs @@ -0,0 +1,77 @@ +//@ run-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +use std::iter::{Iterator, Map}; + +pub mod same_trait { + use super::*; + + pub struct MapOuter { + pub inner: Map + } + + impl Iterator for MapOuter + where + F: FnMut(I::Item) -> B, + { + type Item = as Iterator>::Item; + + reuse Iterator::{next, fold} { self.inner } + } +} +use same_trait::MapOuter; + +mod another_trait { + use super::*; + + trait ZipImpl { + type Item; + + fn next(&mut self) -> Option; + } + + pub struct Zip { + pub a: A, + pub b: B, + } + + impl ZipImpl for Zip { + type Item = (A::Item, B::Item); + + fn next(&mut self) -> Option<(A::Item, B::Item)> { + let x = self.a.next()?; + let y = self.b.next()?; + Some((x, y)) + } + } + + impl Iterator for Zip { + type Item = (A::Item, B::Item); + + // Parameters are inherited from `Iterator::next`, not from `ZipImpl::next`. + // Otherwise, there would be a compilation error due to an unconstrained parameter. + reuse ZipImpl::next; + } +} +use another_trait::Zip; + +fn main() { + { + let x = vec![1, 2, 3]; + let iter = x.iter().map(|val| val * 2); + let outer_iter = MapOuter { inner: iter }; + let val = outer_iter.fold(0, |acc, x| acc + x); + assert_eq!(val, 12); + } + + { + let x = vec![1, 2]; + let y = vec![4, 5]; + + let mut zip = Zip { a: x.iter(), b: y.iter() }; + assert_eq!(zip.next(), Some((&1, &4))); + assert_eq!(zip.next(), Some((&2, &5))); + } +} diff --git a/tests/ui/delegation/generics/inherent-impl-to-trait-method-pass.rs b/tests/ui/delegation/generics/inherent-impl-to-trait-method-pass.rs new file mode 100644 index 000000000000..6f3bb1789716 --- /dev/null +++ b/tests/ui/delegation/generics/inherent-impl-to-trait-method-pass.rs @@ -0,0 +1,23 @@ +//@ run-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn foo(&self, x: T, y: U) -> (T, U) { + (x, y) + } +} + +impl Trait for () {} +struct S(T, ()); + +impl S { + reuse Trait::foo { self.1 } +} + + +fn main() { + let s = S((), ()); + assert_eq!(s.foo(1u32, 2i32), (1u32, 2i32)); +} diff --git a/tests/ui/delegation/generics/trait-method-to-other-pass.rs b/tests/ui/delegation/generics/trait-method-to-other-pass.rs new file mode 100644 index 000000000000..2094705a05ce --- /dev/null +++ b/tests/ui/delegation/generics/trait-method-to-other-pass.rs @@ -0,0 +1,30 @@ +//@ run-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +mod to_reuse { + pub fn foo(x: T) -> T { x } +} + +trait Trait1 { + fn foo(&self, _: T, x: U) -> U { x } +} + +#[derive(Default)] +struct F; + +impl Trait1 for F {} + +trait Trait2 { + fn get_f(&self) -> &F { &F } + reuse Trait1::foo as bar { self.get_f() } + reuse to_reuse::foo as baz; +} + +impl Trait2 for F {} + +fn main() { + assert_eq!(F.bar(1u8, 2u16), 2u16); + assert_eq!(F::baz(1u8), 1u8); +} diff --git a/tests/ui/delegation/ice-issue-124347.rs b/tests/ui/delegation/ice-issue-124347.rs index 3bfae8face59..ee2bf9e33eb8 100644 --- a/tests/ui/delegation/ice-issue-124347.rs +++ b/tests/ui/delegation/ice-issue-124347.rs @@ -1,12 +1,12 @@ #![feature(fn_delegation)] #![allow(incomplete_features)] +// FIXME(fn_delegation): `recursive delegation` error should be emitted here trait Trait { reuse Trait::foo { &self.0 } - //~^ ERROR recursive delegation is not supported yet + //~^ ERROR cycle detected when computing generics of `Trait::foo` } -// FIXME(fn_delegation): `recursive delegation` error should be emitted here reuse foo; //~^ ERROR cycle detected when computing generics of `foo` diff --git a/tests/ui/delegation/ice-issue-124347.stderr b/tests/ui/delegation/ice-issue-124347.stderr index 87dd75ffec82..bd0bc970b94c 100644 --- a/tests/ui/delegation/ice-issue-124347.stderr +++ b/tests/ui/delegation/ice-issue-124347.stderr @@ -1,8 +1,16 @@ -error: recursive delegation is not supported yet - --> $DIR/ice-issue-124347.rs:5:18 +error[E0391]: cycle detected when computing generics of `Trait::foo` + --> $DIR/ice-issue-124347.rs:6:18 | LL | reuse Trait::foo { &self.0 } - | ^^^ callee defined here + | ^^^ + | + = note: ...which immediately requires computing generics of `Trait::foo` again +note: cycle used when inheriting delegation signature + --> $DIR/ice-issue-124347.rs:6:18 + | +LL | reuse Trait::foo { &self.0 } + | ^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error[E0391]: cycle detected when computing generics of `foo` --> $DIR/ice-issue-124347.rs:10:7 diff --git a/tests/ui/delegation/unsupported.rs b/tests/ui/delegation/unsupported.rs index d5ac68ecf1b8..e57effff48d8 100644 --- a/tests/ui/delegation/unsupported.rs +++ b/tests/ui/delegation/unsupported.rs @@ -4,65 +4,6 @@ #![feature(fn_delegation)] #![allow(incomplete_features)] -mod generics { - trait GenericTrait { - fn bar(&self, x: T) -> T { x } - fn bar1() {} - } - trait Trait { - fn foo(&self, x: i32) -> i32 { x } - fn foo1<'a>(&self, x: &'a i32) -> &'a i32 { x } - fn foo2(&self, x: T) -> T { x } - fn foo3<'a: 'a>(_: &'a u32) {} - - reuse GenericTrait::bar; - //~^ ERROR early bound generics are not supported for associated delegation items - reuse GenericTrait::bar1; - //~^ ERROR early bound generics are not supported for associated delegation items - } - - struct F; - impl Trait for F {} - impl GenericTrait for F {} - - struct S(F); - - impl GenericTrait for S { - reuse >::bar { &self.0 } - //~^ ERROR early bound generics are not supported for associated delegation items - reuse GenericTrait::::bar1; - //~^ ERROR early bound generics are not supported for associated delegation items - } - - impl GenericTrait<()> for () { - reuse GenericTrait::bar { &F } - //~^ ERROR early bound generics are not supported for associated delegation items - reuse GenericTrait::bar1; - //~^ ERROR early bound generics are not supported for associated delegation items - } - - impl Trait for &S { - reuse Trait::foo; - //~^ ERROR early bound generics are not supported for associated delegation items - } - - impl Trait for S { - reuse Trait::foo1 { &self.0 } - reuse Trait::foo2 { &self.0 } - //~^ ERROR early bound generics are not supported for associated delegation items - //~| ERROR method `foo2` has 0 type parameters but its trait declaration has 1 type parameter - reuse ::foo3; - //~^ ERROR early bound generics are not supported for associated delegation items - //~| ERROR lifetime parameters or bounds on associated function `foo3` do not match the trait declaration - } - - struct GenericS(T); - impl Trait for GenericS { - reuse Trait::foo { &self.0 } - //~^ ERROR early bound generics are not supported for associated delegation items - } -} - mod opaque { trait Trait {} impl Trait for () {} diff --git a/tests/ui/delegation/unsupported.stderr b/tests/ui/delegation/unsupported.stderr index bb150254f48b..03ded300bb44 100644 --- a/tests/ui/delegation/unsupported.stderr +++ b/tests/ui/delegation/unsupported.stderr @@ -3,125 +3,8 @@ error: using `#![feature(effects)]` without enabling next trait solver globally = note: the next trait solver must be enabled globally for the effects feature to work correctly = help: use `-Znext-solver` to enable -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:18:29 - | -LL | fn bar(&self, x: T) -> T { x } - | ------------------------ callee defined here -... -LL | reuse GenericTrait::bar; - | ^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:20:29 - | -LL | fn bar1() {} - | --------- callee defined here -... -LL | reuse GenericTrait::bar1; - | ^^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:31:39 - | -LL | fn bar(&self, x: T) -> T { x } - | ------------------------ callee defined here -... -LL | reuse >::bar { &self.0 } - | ^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:33:34 - | -LL | fn bar1() {} - | --------- callee defined here -... -LL | reuse GenericTrait::::bar1; - | ^^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:38:29 - | -LL | fn bar(&self, x: T) -> T { x } - | ------------------------ callee defined here -... -LL | reuse GenericTrait::bar { &F } - | ^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:40:29 - | -LL | fn bar1() {} - | --------- callee defined here -... -LL | reuse GenericTrait::bar1; - | ^^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:45:22 - | -LL | fn foo(&self, x: i32) -> i32 { x } - | ---------------------------- callee defined here -... -LL | reuse Trait::foo; - | ^^^ - -error[E0049]: method `foo2` has 0 type parameters but its trait declaration has 1 type parameter - --> $DIR/unsupported.rs:51:22 - | -LL | fn foo2(&self, x: T) -> T { x } - | - expected 1 type parameter -... -LL | reuse Trait::foo2 { &self.0 } - | ^^^^ found 0 type parameters - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:54:29 - | -LL | fn foo3<'a: 'a>(_: &'a u32) {} - | --------------------------- callee defined here -... -LL | reuse ::foo3; - | ^^^^ - -error[E0195]: lifetime parameters or bounds on associated function `foo3` do not match the trait declaration - --> $DIR/unsupported.rs:54:29 - | -LL | fn foo3<'a: 'a>(_: &'a u32) {} - | -------- lifetimes in impl do not match this associated function in trait -... -LL | reuse ::foo3; - | ^^^^ lifetimes do not match associated function in trait - -error: delegation to a function with effect parameter is not supported yet - --> $DIR/unsupported.rs:112:18 - | -LL | fn foo(); - | --------- callee defined here -... -LL | reuse Trait::foo; - | ^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:61:22 - | -LL | fn foo(&self, x: i32) -> i32 { x } - | ---------------------------- callee defined here -... -LL | reuse Trait::foo { &self.0 } - | ^^^ - -error: early bound generics are not supported for associated delegation items - --> $DIR/unsupported.rs:51:22 - | -LL | fn foo2(&self, x: T) -> T { x } - | ---------------------------- callee defined here -... -LL | reuse Trait::foo2 { &self.0 } - | ^^^^ - warning: this function depends on never type fallback being `()` - --> $DIR/unsupported.rs:79:9 + --> $DIR/unsupported.rs:20:9 | LL | fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -130,33 +13,33 @@ LL | fn opaque_ret() -> impl Trait { unimplemented!() } = note: for more information, see issue #123748 = help: specify the types explicitly note: in edition 2024, the requirement `!: opaque::Trait` will fail - --> $DIR/unsupported.rs:79:28 + --> $DIR/unsupported.rs:20:28 | LL | fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default -error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` - --> $DIR/unsupported.rs:86:25 +error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` + --> $DIR/unsupported.rs:27:25 | LL | reuse to_reuse::opaque_ret; | ^^^^^^^^^^ | note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process... - --> $DIR/unsupported.rs:86:25 + --> $DIR/unsupported.rs:27:25 | LL | reuse to_reuse::opaque_ret; | ^^^^^^^^^^ - = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle -note: cycle used when checking that `opaque::` is well-formed - --> $DIR/unsupported.rs:85:5 + = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle +note: cycle used when checking that `opaque::` is well-formed + --> $DIR/unsupported.rs:26:5 | LL | impl ToReuse for u8 { | ^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information warning: this function depends on never type fallback being `()` - --> $DIR/unsupported.rs:73:9 + --> $DIR/unsupported.rs:14:9 | LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -165,32 +48,32 @@ LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } = note: for more information, see issue #123748 = help: specify the types explicitly note: in edition 2024, the requirement `!: opaque::Trait` will fail - --> $DIR/unsupported.rs:73:32 + --> $DIR/unsupported.rs:14:32 | LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } | ^^^^^^^^^^ -error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` - --> $DIR/unsupported.rs:89:24 +error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` + --> $DIR/unsupported.rs:30:24 | LL | reuse ToReuse::opaque_ret; | ^^^^^^^^^^ | note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process... - --> $DIR/unsupported.rs:89:24 + --> $DIR/unsupported.rs:30:24 | LL | reuse ToReuse::opaque_ret; | ^^^^^^^^^^ - = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle -note: cycle used when checking that `opaque::` is well-formed - --> $DIR/unsupported.rs:88:5 + = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle +note: cycle used when checking that `opaque::` is well-formed + --> $DIR/unsupported.rs:29:5 | LL | impl ToReuse for u16 { | ^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error: recursive delegation is not supported yet - --> $DIR/unsupported.rs:102:22 + --> $DIR/unsupported.rs:43:22 | LL | pub reuse to_reuse2::foo; | --- callee defined here @@ -198,7 +81,15 @@ LL | pub reuse to_reuse2::foo; LL | reuse to_reuse1::foo; | ^^^ -error: aborting due to 17 previous errors; 2 warnings emitted +error: delegation to a function with effect parameter is not supported yet + --> $DIR/unsupported.rs:53:18 + | +LL | fn foo(); + | --------- callee defined here +... +LL | reuse Trait::foo; + | ^^^ -Some errors have detailed explanations: E0049, E0195, E0391. -For more information about an error, try `rustc --explain E0049`. +error: aborting due to 5 previous errors; 2 warnings emitted + +For more information about this error, try `rustc --explain E0391`. From 0091b8ab2a16aea880e2fe5d3c876f4f743640d5 Mon Sep 17 00:00:00 2001 From: Boxy Date: Thu, 5 Sep 2024 17:23:40 +0100 Subject: [PATCH 055/149] update cfgs --- compiler/rustc_codegen_llvm/src/lib.rs | 1 - compiler/rustc_driver_impl/src/lib.rs | 1 - compiler/rustc_llvm/src/lib.rs | 1 - compiler/rustc_middle/src/lib.rs | 1 - compiler/rustc_target/src/lib.rs | 1 - compiler/rustc_transmute/src/layout/nfa.rs | 2 -- compiler/rustc_type_ir/src/fold.rs | 4 --- .../src/collections/vec_deque/into_iter.rs | 4 --- library/core/src/arch.rs | 9 ------ library/core/src/cell.rs | 6 ++-- library/core/src/clone.rs | 2 +- library/core/src/default.rs | 2 +- library/core/src/intrinsics.rs | 7 ----- library/core/src/lib.rs | 4 --- library/core/src/marker.rs | 17 +++-------- library/core/src/mem/manually_drop.rs | 2 +- library/core/src/mem/maybe_uninit.rs | 2 +- library/core/src/mem/mod.rs | 1 - library/core/src/mem/transmutability.rs | 29 +++++++------------ library/core/src/pin.rs | 2 +- library/core/src/tuple.rs | 2 +- library/core/tests/lib.rs | 1 - library/panic_unwind/src/seh.rs | 6 ---- library/std/src/env.rs | 16 +++------- library/std/src/lib.rs | 1 - library/std/src/os/unix/process.rs | 6 +--- src/tools/miri/src/eval.rs | 7 ----- 27 files changed, 28 insertions(+), 109 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 6a303e1e6024..7f26bbd7f875 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -6,7 +6,6 @@ // tidy-alphabetical-start #![allow(internal_features)] -#![cfg_attr(bootstrap, feature(unsafe_extern_blocks))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(assert_matches)] diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index e49ae60e890b..8e4d3c08006c 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -7,7 +7,6 @@ // tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable -#![cfg_attr(bootstrap, feature(unsafe_extern_blocks))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(decl_macro)] diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs index 3532d50c64e8..055d2bd5bc97 100644 --- a/compiler/rustc_llvm/src/lib.rs +++ b/compiler/rustc_llvm/src/lib.rs @@ -1,6 +1,5 @@ // tidy-alphabetical-start #![allow(internal_features)] -#![cfg_attr(bootstrap, feature(unsafe_attributes, unsafe_extern_blocks))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(rustdoc_internals)] diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 2a85f85a9f4e..fd6e2ad79b11 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -28,7 +28,6 @@ #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::potential_query_instability)] #![allow(rustc::untranslatable_diagnostic)] -#![cfg_attr(bootstrap, feature(min_exhaustive_patterns, unsafe_extern_blocks))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(allocator_api)] diff --git a/compiler/rustc_target/src/lib.rs b/compiler/rustc_target/src/lib.rs index d7c66d6f5e3d..2121c4110dde 100644 --- a/compiler/rustc_target/src/lib.rs +++ b/compiler/rustc_target/src/lib.rs @@ -9,7 +9,6 @@ // tidy-alphabetical-start #![allow(internal_features)] -#![cfg_attr(bootstrap, feature(min_exhaustive_patterns))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(assert_matches)] diff --git a/compiler/rustc_transmute/src/layout/nfa.rs b/compiler/rustc_transmute/src/layout/nfa.rs index 5db5a8f222db..3b49c59fa686 100644 --- a/compiler/rustc_transmute/src/layout/nfa.rs +++ b/compiler/rustc_transmute/src/layout/nfa.rs @@ -87,8 +87,6 @@ where pub(crate) fn from_tree(tree: Tree) -> Result { Ok(match tree { Tree::Byte(b) => Self::from_byte(b), - #[cfg(bootstrap)] - Tree::Def(..) => unreachable!(), Tree::Ref(r) => Self::from_ref(r), Tree::Alt(alts) => { let mut alts = alts.into_iter().map(Self::from_tree); diff --git a/compiler/rustc_type_ir/src/fold.rs b/compiler/rustc_type_ir/src/fold.rs index f49aa3431b5c..64ce6fd69e6b 100644 --- a/compiler/rustc_type_ir/src/fold.rs +++ b/compiler/rustc_type_ir/src/fold.rs @@ -91,8 +91,6 @@ pub trait TypeFoldable: TypeVisitable { fn fold_with>(self, folder: &mut F) -> Self { match self.try_fold_with(folder) { Ok(t) => t, - #[cfg(bootstrap)] - Err(e) => match e {}, } } } @@ -116,8 +114,6 @@ pub trait TypeSuperFoldable: TypeFoldable { fn super_fold_with>(self, folder: &mut F) -> Self { match self.try_super_fold_with(folder) { Ok(t) => t, - #[cfg(bootstrap)] - Err(e) => match e {}, } } } diff --git a/library/alloc/src/collections/vec_deque/into_iter.rs b/library/alloc/src/collections/vec_deque/into_iter.rs index 7be3de16b2da..2b09a5e7ddc5 100644 --- a/library/alloc/src/collections/vec_deque/into_iter.rs +++ b/library/alloc/src/collections/vec_deque/into_iter.rs @@ -121,8 +121,6 @@ impl Iterator for IntoIter { { match self.try_fold(init, |b, item| Ok::(f(b, item))) { Ok(b) => b, - #[cfg(bootstrap)] - Err(e) => match e {}, } } @@ -243,8 +241,6 @@ impl DoubleEndedIterator for IntoIter { { match self.try_rfold(init, |b, item| Ok::(f(b, item))) { Ok(b) => b, - #[cfg(bootstrap)] - Err(e) => match e {}, } } } diff --git a/library/core/src/arch.rs b/library/core/src/arch.rs index d681bd124fe1..31d6bc36fc8b 100644 --- a/library/core/src/arch.rs +++ b/library/core/src/arch.rs @@ -4,15 +4,6 @@ #[stable(feature = "simd_arch", since = "1.27.0")] pub use crate::core_arch::arch::*; -#[cfg(bootstrap)] -#[allow(dead_code)] -#[unstable(feature = "sha512_sm_x86", issue = "126624")] -fn dummy() { - // AArch64 also has a target feature named `sm4`, so we need `#![feature(sha512_sm_x86)]` in lib.rs - // But as the bootstrap compiler doesn't know about this feature yet, we need to convert it to a - // library feature until bootstrap gets bumped -} - /// Inline assembly. /// /// Refer to [Rust By Example] for a usage guide and the [reference] for diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index 5dd9721d3fee..a3a471a57c7a 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -306,7 +306,7 @@ pub use once::OnceCell; /// See the [module-level documentation](self) for more. #[stable(feature = "rust1", since = "1.0.0")] #[repr(transparent)] -#[cfg_attr(not(bootstrap), rustc_pub_transparent)] +#[rustc_pub_transparent] pub struct Cell { value: UnsafeCell, } @@ -2056,7 +2056,7 @@ impl fmt::Display for RefMut<'_, T> { #[lang = "unsafe_cell"] #[stable(feature = "rust1", since = "1.0.0")] #[repr(transparent)] -#[cfg_attr(not(bootstrap), rustc_pub_transparent)] +#[rustc_pub_transparent] pub struct UnsafeCell { value: T, } @@ -2299,7 +2299,7 @@ impl UnsafeCell<*mut T> { /// See [`UnsafeCell`] for details. #[unstable(feature = "sync_unsafe_cell", issue = "95439")] #[repr(transparent)] -#[cfg_attr(not(bootstrap), rustc_pub_transparent)] +#[rustc_pub_transparent] pub struct SyncUnsafeCell { value: UnsafeCell, } diff --git a/library/core/src/clone.rs b/library/core/src/clone.rs index 215046306720..c5f8bd7401e5 100644 --- a/library/core/src/clone.rs +++ b/library/core/src/clone.rs @@ -161,7 +161,7 @@ pub trait Clone: Sized { #[must_use = "cloning is often expensive and is not expected to have side effects"] // Clone::clone is special because the compiler generates MIR to implement it for some types. // See InstanceKind::CloneShim. - #[cfg_attr(not(bootstrap), lang = "clone_fn")] + #[lang = "clone_fn"] fn clone(&self) -> Self; /// Performs copy-assignment from `source`. diff --git a/library/core/src/default.rs b/library/core/src/default.rs index 5cacedcb241a..4c30290ff263 100644 --- a/library/core/src/default.rs +++ b/library/core/src/default.rs @@ -103,7 +103,7 @@ use crate::ascii::Char as AsciiChar; /// ``` #[cfg_attr(not(test), rustc_diagnostic_item = "Default")] #[stable(feature = "rust1", since = "1.0.0")] -#[cfg_attr(not(bootstrap), rustc_trivial_field_reads)] +#[rustc_trivial_field_reads] pub trait Default: Sized { /// Returns the "default value" for a type. /// diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 8cb9accd59db..7870a62ea81c 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -1020,7 +1020,6 @@ pub const fn unlikely(b: bool) -> bool { /// any safety invariants. /// /// This intrinsic does not have a stable counterpart. -#[cfg(not(bootstrap))] #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic] #[rustc_nounwind] @@ -1030,12 +1029,6 @@ pub fn select_unpredictable(b: bool, true_val: T, false_val: T) -> T { if b { true_val } else { false_val } } -#[cfg(bootstrap)] -#[inline] -pub fn select_unpredictable(b: bool, true_val: T, false_val: T) -> T { - if b { true_val } else { false_val } -} - extern "rust-intrinsic" { /// Executes a breakpoint trap, for inspection by a debugger. /// diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index e60bcf3aa5db..50e9884fea1b 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -107,7 +107,6 @@ // // Library features: // tidy-alphabetical-start -#![cfg_attr(bootstrap, feature(offset_of_nested))] #![feature(array_ptr_get)] #![feature(asm_experimental_arch)] #![feature(const_align_of_val)] @@ -192,9 +191,6 @@ // // Language features: // tidy-alphabetical-start -#![cfg_attr(bootstrap, feature(asm_const))] -#![cfg_attr(bootstrap, feature(const_fn_floating_point_arithmetic))] -#![cfg_attr(bootstrap, feature(min_exhaustive_patterns))] #![feature(abi_unadjusted)] #![feature(adt_const_params)] #![feature(allow_internal_unsafe)] diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index 5654f5aa4b8d..84bb0119453f 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -992,7 +992,7 @@ pub macro ConstParamTy($item:item) { /* compiler built-in */ } -#[cfg_attr(not(bootstrap), lang = "unsized_const_param_ty")] +#[lang = "unsized_const_param_ty"] #[unstable(feature = "unsized_const_params", issue = "95174")] #[diagnostic::on_unimplemented(message = "`{Self}` can't be used as a const parameter type")] /// A marker for types which can be used as types of `const` generic parameters. @@ -1002,10 +1002,9 @@ pub macro ConstParamTy($item:item) { pub trait UnsizedConstParamTy: StructuralPartialEq + Eq {} /// Derive macro generating an impl of the trait `ConstParamTy`. -#[cfg(not(bootstrap))] -#[cfg_attr(not(bootstrap), rustc_builtin_macro)] -#[cfg_attr(not(bootstrap), allow_internal_unstable(unsized_const_params))] -#[cfg_attr(not(bootstrap), unstable(feature = "unsized_const_params", issue = "95174"))] +#[rustc_builtin_macro] +#[allow_internal_unstable(unsized_const_params)] +#[unstable(feature = "unsized_const_params", issue = "95174")] pub macro UnsizedConstParamTy($item:item) { /* compiler built-in */ } @@ -1021,14 +1020,6 @@ marker_impls! { (), {T: ConstParamTy_, const N: usize} [T; N], } -#[cfg(bootstrap)] -marker_impls! { - #[unstable(feature = "adt_const_params", issue = "95174")] - ConstParamTy_ for - str, - {T: ConstParamTy_} [T], - {T: ConstParamTy_ + ?Sized} &T, -} marker_impls! { #[unstable(feature = "unsized_const_params", issue = "95174")] diff --git a/library/core/src/mem/manually_drop.rs b/library/core/src/mem/manually_drop.rs index be5cee2e8526..3e47785ee488 100644 --- a/library/core/src/mem/manually_drop.rs +++ b/library/core/src/mem/manually_drop.rs @@ -47,7 +47,7 @@ use crate::ptr; #[lang = "manually_drop"] #[derive(Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)] #[repr(transparent)] -#[cfg_attr(not(bootstrap), rustc_pub_transparent)] +#[rustc_pub_transparent] pub struct ManuallyDrop { value: T, } diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index c308def2f574..4be2e5ef1ead 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -237,7 +237,7 @@ use crate::{fmt, intrinsics, ptr, slice}; #[lang = "maybe_uninit"] #[derive(Copy)] #[repr(transparent)] -#[cfg_attr(not(bootstrap), rustc_pub_transparent)] +#[rustc_pub_transparent] pub union MaybeUninit { uninit: (), value: ManuallyDrop, diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs index fed484ae3cd1..414262fcf5ab 100644 --- a/library/core/src/mem/mod.rs +++ b/library/core/src/mem/mod.rs @@ -1326,7 +1326,6 @@ impl SizedTypeProperties for T {} /// # Examples /// /// ``` -/// # #![cfg_attr(bootstrap, feature(offset_of_nested))] /// #![feature(offset_of_enum)] /// /// use std::mem; diff --git a/library/core/src/mem/transmutability.rs b/library/core/src/mem/transmutability.rs index cda999a7f0c9..7fa3c3343917 100644 --- a/library/core/src/mem/transmutability.rs +++ b/library/core/src/mem/transmutability.rs @@ -43,8 +43,7 @@ use crate::marker::{ConstParamTy_, UnsizedConstParamTy}; /// conversions that extend the bits of `Src` with trailing padding to fill /// trailing uninitialized bytes of `Self`; e.g.: /// -#[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] -#[cfg_attr(not(bootstrap), doc = "```rust")] +/// ```rust /// #![feature(transmutability)] /// /// use core::mem::{Assume, TransmuteFrom}; @@ -151,8 +150,7 @@ pub struct Assume { /// When `false`, [`TransmuteFrom`] is not implemented for transmutations /// that might violate the alignment requirements of references; e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```compile_fail,E0277")] + /// ```compile_fail,E0277 /// #![feature(transmutability)] /// use core::mem::{align_of, TransmuteFrom}; /// @@ -171,8 +169,7 @@ pub struct Assume { /// that references in the transmuted value satisfy the alignment /// requirements of their referent types; e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```rust")] + /// ```rust /// #![feature(pointer_is_aligned_to, transmutability)] /// use core::mem::{align_of, Assume, TransmuteFrom}; /// @@ -203,8 +200,7 @@ pub struct Assume { /// that might violate the library safety invariants of the destination /// type; e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```compile_fail,E0277")] + /// ```compile_fail,E0277 /// #![feature(transmutability)] /// use core::mem::TransmuteFrom; /// @@ -225,8 +221,7 @@ pub struct Assume { /// that undefined behavior does not arise from using the transmuted value; /// e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```rust")] + /// ```rust /// #![feature(transmutability)] /// use core::mem::{Assume, TransmuteFrom}; /// @@ -254,8 +249,7 @@ pub struct Assume { /// that might violate the language-level bit-validity invariant of the /// destination type; e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```compile_fail,E0277")] + /// ```compile_fail,E0277 /// #![feature(transmutability)] /// use core::mem::TransmuteFrom; /// @@ -271,8 +265,7 @@ pub struct Assume { /// that the value being transmuted is a bit-valid instance of the /// transmuted value; e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```rust")] + /// ```rust /// #![feature(transmutability)] /// use core::mem::{Assume, TransmuteFrom}; /// @@ -335,9 +328,7 @@ impl Assume { /// This is especially useful for extending [`Assume`] in generic contexts; /// e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```rust")] - #[unstable(feature = "transmutability", issue = "99571")] + /// ```rust /// #![feature( /// adt_const_params, /// generic_const_exprs, @@ -379,6 +370,7 @@ impl Assume { /// try_transmute_ref::<_, _, { Assume::NOTHING }>(src) /// }; ///``` + #[unstable(feature = "transmutability", issue = "99571")] pub const fn and(self, other_assumptions: Self) -> Self { Self { alignment: self.alignment || other_assumptions.alignment, @@ -390,8 +382,7 @@ impl Assume { /// Remove `other_assumptions` the obligations of `self`; e.g.: /// - #[cfg_attr(bootstrap, doc = "```rust,ignore not runnable on bootstrap")] - #[cfg_attr(not(bootstrap), doc = "```rust")] + /// ```rust /// #![feature(transmutability)] /// use core::mem::Assume; /// diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs index 65f6bfb7ee17..9c13662e08e8 100644 --- a/library/core/src/pin.rs +++ b/library/core/src/pin.rs @@ -1084,7 +1084,7 @@ use crate::{cmp, fmt}; #[lang = "pin"] #[fundamental] #[repr(transparent)] -#[cfg_attr(not(bootstrap), rustc_pub_transparent)] +#[rustc_pub_transparent] #[derive(Copy, Clone)] pub struct Pin { // FIXME(#93176): this field is made `#[unstable] #[doc(hidden)] pub` to: diff --git a/library/core/src/tuple.rs b/library/core/src/tuple.rs index 9ec92e284503..206b5b9e2c24 100644 --- a/library/core/src/tuple.rs +++ b/library/core/src/tuple.rs @@ -154,7 +154,7 @@ macro_rules! tuple_impls { // Otherwise, it hides the docs entirely. macro_rules! maybe_tuple_doc { ($a:ident @ #[$meta:meta] $item:item) => { - #[cfg_attr(not(bootstrap), doc(fake_variadic))] + #[doc(fake_variadic)] #[doc = "This trait is implemented for tuples up to twelve items long."] #[$meta] $item diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index c205f028dd3a..1bee17bc2b92 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -1,5 +1,4 @@ // tidy-alphabetical-start -#![cfg_attr(bootstrap, feature(offset_of_nested))] #![cfg_attr(target_has_atomic = "128", feature(integer_atomics))] #![cfg_attr(test, feature(cfg_match))] #![feature(alloc_layout_extra)] diff --git a/library/panic_unwind/src/seh.rs b/library/panic_unwind/src/seh.rs index 82c248c5a7ba..070c11926f6e 100644 --- a/library/panic_unwind/src/seh.rs +++ b/library/panic_unwind/src/seh.rs @@ -157,9 +157,6 @@ mod imp { // going to be cross-lang LTOed anyway. However, using expose is shorter and // requires less unsafe. let addr: usize = ptr.expose_provenance(); - #[cfg(bootstrap)] - let image_base = unsafe { addr_of!(__ImageBase) }.addr(); - #[cfg(not(bootstrap))] let image_base = addr_of!(__ImageBase).addr(); let offset: usize = addr - image_base; Self(offset as u32) @@ -253,9 +250,6 @@ extern "C" { // This is fine since the MSVC runtime uses string comparison on the type name // to match TypeDescriptors rather than pointer equality. static mut TYPE_DESCRIPTOR: _TypeDescriptor = _TypeDescriptor { - #[cfg(bootstrap)] - pVFTable: unsafe { addr_of!(TYPE_INFO_VTABLE) } as *const _, - #[cfg(not(bootstrap))] pVFTable: addr_of!(TYPE_INFO_VTABLE) as *const _, spare: core::ptr::null_mut(), name: TYPE_NAME, diff --git a/library/std/src/env.rs b/library/std/src/env.rs index e06a851658c0..28916130b190 100644 --- a/library/std/src/env.rs +++ b/library/std/src/env.rs @@ -354,12 +354,8 @@ impl Error for VarError { /// } /// assert_eq!(env::var(key), Ok("VALUE".to_string())); /// ``` -#[cfg_attr(bootstrap, rustc_deprecated_safe_2024)] -#[cfg_attr( - not(bootstrap), - rustc_deprecated_safe_2024( - audit_that = "the environment access only happens in single-threaded code" - ) +#[rustc_deprecated_safe_2024( + audit_that = "the environment access only happens in single-threaded code" )] #[stable(feature = "env", since = "1.0.0")] pub unsafe fn set_var, V: AsRef>(key: K, value: V) { @@ -424,12 +420,8 @@ pub unsafe fn set_var, V: AsRef>(key: K, value: V) { /// } /// assert!(env::var(key).is_err()); /// ``` -#[cfg_attr(bootstrap, rustc_deprecated_safe_2024)] -#[cfg_attr( - not(bootstrap), - rustc_deprecated_safe_2024( - audit_that = "the environment access only happens in single-threaded code" - ) +#[rustc_deprecated_safe_2024( + audit_that = "the environment access only happens in single-threaded code" )] #[stable(feature = "env", since = "1.0.0")] pub unsafe fn remove_var>(key: K) { diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 606d75668c4d..60969af3e854 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -272,7 +272,6 @@ // // Language features: // tidy-alphabetical-start -#![cfg_attr(bootstrap, feature(min_exhaustive_patterns))] #![feature(alloc_error_handler)] #![feature(allocator_internals)] #![feature(allow_internal_unsafe)] diff --git a/library/std/src/os/unix/process.rs b/library/std/src/os/unix/process.rs index 46202441d4e3..9aadd9491169 100644 --- a/library/std/src/os/unix/process.rs +++ b/library/std/src/os/unix/process.rs @@ -118,11 +118,7 @@ pub trait CommandExt: Sealed { /// [`pre_exec`]: CommandExt::pre_exec #[stable(feature = "process_exec", since = "1.15.0")] #[deprecated(since = "1.37.0", note = "should be unsafe, use `pre_exec` instead")] - #[cfg_attr(bootstrap, rustc_deprecated_safe_2024)] - #[cfg_attr( - not(bootstrap), - rustc_deprecated_safe_2024(audit_that = "the closure is async-signal-safe") - )] + #[rustc_deprecated_safe_2024(audit_that = "the closure is async-signal-safe")] unsafe fn before_exec(&mut self, f: F) -> &mut process::Command where F: FnMut() -> io::Result<()> + Send + Sync + 'static, diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index bb623c66892a..0850a8f24d96 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -458,14 +458,7 @@ pub fn eval_entry<'tcx>( panic::resume_unwind(panic_payload) }); // `Ok` can never happen. - #[cfg(not(bootstrap))] let Err(res) = res; - #[cfg(bootstrap)] - let res = match res { - Err(res) => res, - // `Ok` can never happen - Ok(never) => match never {}, - }; // Machine cleanup. Only do this if all threads have terminated; threads that are still running // might cause Stacked Borrows errors (https://github.com/rust-lang/miri/issues/2396). From a551cccb623e0c7c52f7db9bcc424c837f848ede Mon Sep 17 00:00:00 2001 From: Alex Crichton Date: Thu, 5 Sep 2024 10:06:54 -0700 Subject: [PATCH 056/149] Remove wasm32-wasip2's tier 2 status from release notes It turns out the stars did not actually align for this to get released in Rust 1.81 alas. Full tier 2 status for `wasm32-wasip2` required two PRs: * #126967 - this made it into Rust 1.81 * #127867 - this didn't make the cut and is in Rust 1.82 instead This wasn't caught until just after today's release so the plan is to remove the release notes for 1.81 and coordinate to instead add these as release notes to 1.82. --- RELEASES.md | 1 - 1 file changed, 1 deletion(-) diff --git a/RELEASES.md b/RELEASES.md index 29c872eb4489..82954fad1e09 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -34,7 +34,6 @@ Compiler - [Add Tier 3 `std` Xtensa targets:](https://github.com/rust-lang/rust/pull/126380/) `xtensa-esp32-espidf`, `xtensa-esp32s2-espidf`, `xtensa-esp32s3-espidf` - [Add Tier 3 i686 Redox OS target:](https://github.com/rust-lang/rust/pull/126192/) `i686-unknown-redox` - [Promote `arm64ec-pc-windows-msvc` to Tier 2.](https://github.com/rust-lang/rust/pull/126039/) - - [Promote `wasm32-wasip2` to Tier 2.](https://github.com/rust-lang/rust/pull/126967/) - [Promote `loongarch64-unknown-linux-musl` to Tier 2 with host tools.](https://github.com/rust-lang/rust/pull/126298/) - [Enable full tools and profiler for LoongArch Linux targets.](https://github.com/rust-lang/rust/pull/127078/) - [Unconditionally warn on usage of `wasm32-wasi`.](https://github.com/rust-lang/rust/pull/126662/) (see compatibility note below) From 757affd1a9147f4ccc0481df6037a867e0a21ad7 Mon Sep 17 00:00:00 2001 From: binarycat Date: Thu, 5 Sep 2024 15:12:15 -0400 Subject: [PATCH 057/149] bootstrap: pass long options to curl --- src/bootstrap/bootstrap.py | 17 ++++++++++------- src/bootstrap/src/core/download.rs | 20 +++++++++++--------- 2 files changed, 21 insertions(+), 16 deletions(-) diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 1de010dc08a4..f1d45c880ee6 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -106,9 +106,9 @@ def _download(path, url, probably_big, verbose, exception): try: if (probably_big or verbose) and "GITHUB_ACTIONS" not in os.environ: - option = "-#" + option = "--progress-bar" else: - option = "-s" + option = "--silent" # If curl is not present on Win32, we should not sys.exit # but raise `CalledProcessError` or `OSError` instead require(["curl", "--version"], exception=platform_is_win32()) @@ -120,12 +120,15 @@ def _download(path, url, probably_big, verbose, exception): # for consistency. # they are also more compreprensivly explained in that file. run(["curl", option] + extra_flags + [ - "-L", # Follow redirect. - "-y", "30", "-Y", "10", # timeout if speed is < 10 bytes/sec for > 30 seconds - "--connect-timeout", "30", # timeout if cannot connect within 30 seconds - "-o", path, + # Follow redirect. + "--location", + # timeout if speed is < 10 bytes/sec for > 30 seconds + "--speed-time", "30", "--speed-limit", "10", + # timeout if cannot connect within 30 seconds + "--connect-timeout", "30", + "--output", path, "--continue-at", "-", - "--retry", "3", "-SRf", url], + "--retry", "3", "--show-error", "--remote-time", "--fail", url], verbose=verbose, exception=True, # Will raise RuntimeError on failure ) diff --git a/src/bootstrap/src/core/download.rs b/src/bootstrap/src/core/download.rs index 038ca320e6b6..77a4f4b0f336 100644 --- a/src/bootstrap/src/core/download.rs +++ b/src/bootstrap/src/core/download.rs @@ -233,17 +233,17 @@ impl Config { let mut curl = command("curl"); curl.args([ // follow redirect - "-L", + "--location", // timeout if speed is < 10 bytes/sec for > 30 seconds - "-y", + "--speed-time", "30", - "-Y", + "--speed-limit", "10", // timeout if cannot connect within 30 seconds "--connect-timeout", "30", // output file - "-o", + "--output", tempfile.to_str().unwrap(), // if there is an error, don't restart the download, // instead continue where it left off. @@ -253,14 +253,16 @@ impl Config { // attempts will be made, since the first attempt isn't a *re*try. "--retry", "3", - // -S: show errors, even if -s is specified - // -R: set timestamp of downloaded file to that of the server - // -f: fail on non-ok http status - "-SRf", + // show errors, even if --silent is specified + "--show-error", + // set timestamp of downloaded file to that of the server + "--remote-time", + // fail on non-ok http status + "--fail", ]); // Don't print progress in CI; the \r wrapping looks bad and downloads don't take long enough for progress to be useful. if CiEnv::is_ci() { - curl.arg("-s"); + curl.arg("--silent"); } else { curl.arg("--progress-bar"); } From 6b4ff514d99511354ed206c2544b821b6986bf78 Mon Sep 17 00:00:00 2001 From: Orson Peters Date: Thu, 5 Sep 2024 22:50:41 +0200 Subject: [PATCH 058/149] better implementation of signed div_floor/ceil --- library/core/src/num/int_macros.rs | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 878a911dde50..7241b3ff6a3b 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -3023,8 +3023,16 @@ macro_rules! int_impl { pub const fn div_floor(self, rhs: Self) -> Self { let d = self / rhs; let r = self % rhs; - if (r > 0 && rhs < 0) || (r < 0 && rhs > 0) { - d - 1 + + // If the remainder is non-zero, we need to subtract one if the + // signs of self and rhs differ, as this means we rounded upwards + // instead of downwards. We do this branchlessly by creating a mask + // which is all-ones iff the signs differ, and 0 otherwise. Then by + // adding this mask (which corresponds to the signed value -1), we + // get our correction. + let correction = (self ^ rhs) >> (Self::BITS - 1); + if r != 0 { + d + correction } else { d } @@ -3059,8 +3067,12 @@ macro_rules! int_impl { pub const fn div_ceil(self, rhs: Self) -> Self { let d = self / rhs; let r = self % rhs; - if (r > 0 && rhs > 0) || (r < 0 && rhs < 0) { - d + 1 + + // When remainder is non-zero we have a.div_ceil(b) == 1 + a.div_floor(b), + // so we can re-use the algorithm from div_floor, just adding 1. + let correction = 1 + ((self ^ rhs) >> (Self::BITS - 1)); + if r != 0 { + d + correction } else { d } From f6e8a84eeae8b5f7291999966ab82d495ea7da26 Mon Sep 17 00:00:00 2001 From: Pavel Grigorenko Date: Thu, 5 Sep 2024 00:34:04 +0300 Subject: [PATCH 059/149] Make `Ty::boxed_ty` return an `Option` --- .../src/diagnostics/explain_borrow.rs | 3 ++- compiler/rustc_borrowck/src/diagnostics/mod.rs | 4 ++-- .../rustc_codegen_llvm/src/debuginfo/metadata.rs | 2 +- compiler/rustc_const_eval/src/interpret/call.rs | 2 +- .../src/method/prelude_edition_lints.rs | 3 +-- compiler/rustc_hir_typeck/src/method/probe.rs | 3 +-- compiler/rustc_lint/src/shadowed_into_iter.rs | 7 ++----- compiler/rustc_lint/src/types.rs | 6 ++++-- compiler/rustc_lint/src/unused.rs | 5 ++--- compiler/rustc_middle/src/ty/layout.rs | 6 ++++-- compiler/rustc_middle/src/ty/sty.rs | 15 ++++++++++----- compiler/rustc_middle/src/ty/util.rs | 2 +- .../src/elaborate_box_derefs.rs | 12 ++++++++---- compiler/rustc_monomorphize/src/collector.rs | 7 +++++-- compiler/rustc_monomorphize/src/lib.rs | 2 ++ .../src/error_reporting/infer/mod.rs | 3 +-- src/tools/clippy/clippy_lints/src/escape.rs | 6 +++--- src/tools/clippy/clippy_lints/src/methods/mod.rs | 4 ++-- .../clippy/clippy_lints/src/methods/utils.rs | 4 ++-- .../clippy_lints/src/unnecessary_box_returns.rs | 6 ++---- src/tools/clippy/clippy_utils/src/ty.rs | 4 ++-- 21 files changed, 58 insertions(+), 48 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs index 91b02a36d004..c720b0928feb 100644 --- a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs +++ b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs @@ -662,9 +662,10 @@ impl<'tcx> MirBorrowckCtxt<'_, '_, '_, 'tcx> { // `&dyn Trait` ty::Ref(_, ty, _) if ty.is_trait() => true, // `Box` - _ if ty.is_box() && ty.boxed_ty().is_trait() => { + _ if ty.boxed_ty().is_some_and(Ty::is_trait) => { true } + // `dyn Trait` _ if ty.is_trait() => true, // Anything else. diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 5ab66963409a..878ce6162e0f 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -345,9 +345,9 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, '_, 'infcx, 'tcx> { variant_index: Option, including_tuple_field: IncludingTupleField, ) -> Option { - if ty.is_box() { + if let Some(boxed_ty) = ty.boxed_ty() { // If the type is a box, the field is described from the boxed type - self.describe_field_from_ty(ty.boxed_ty(), field, variant_index, including_tuple_field) + self.describe_field_from_ty(boxed_ty, field, variant_index, including_tuple_field) } else { match *ty.kind() { ty::Adt(def, _) => { diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 17a9630c6557..d231b103964b 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -456,7 +456,7 @@ pub(crate) fn type_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>) -> if def.is_box() && args.get(1).map_or(true, |arg| cx.layout_of(arg.expect_ty()).is_1zst()) => { - build_pointer_or_reference_di_node(cx, t, t.boxed_ty(), unique_type_id) + build_pointer_or_reference_di_node(cx, t, t.expect_boxed_ty(), unique_type_id) } ty::FnDef(..) | ty::FnPtr(..) => build_subroutine_type_di_node(cx, unique_type_id), ty::Closure(..) => build_closure_env_di_node(cx, unique_type_id), diff --git a/compiler/rustc_const_eval/src/interpret/call.rs b/compiler/rustc_const_eval/src/interpret/call.rs index 82438eb5e782..568a9a3a637b 100644 --- a/compiler/rustc_const_eval/src/interpret/call.rs +++ b/compiler/rustc_const_eval/src/interpret/call.rs @@ -189,7 +189,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { ty::Ref(_, ty, _) => *ty, ty::RawPtr(ty, _) => *ty, // We only accept `Box` with the default allocator. - _ if ty.is_box_global(*self.tcx) => ty.boxed_ty(), + _ if ty.is_box_global(*self.tcx) => ty.expect_boxed_ty(), _ => return Ok(None), })) }; diff --git a/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs b/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs index 0790c6f9a599..ac5e1040803e 100644 --- a/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs +++ b/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs @@ -63,8 +63,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Instead, the problem is that the array-into_iter hack will no longer // apply in Rust 2021. (ARRAY_INTO_ITER, "2021") - } else if self_ty.is_box() - && self_ty.boxed_ty().is_slice() + } else if self_ty.boxed_ty().is_some_and(Ty::is_slice) && !span.at_least_rust_2024() { // In this case, it wasn't really a prelude addition that was the problem. diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 0cf5403b3c08..4b3c52a1ed60 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1485,8 +1485,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { // Some trait methods are excluded for boxed slices before 2024. // (`boxed_slice.into_iter()` wants a slice iterator for compatibility.) - if self_ty.is_box() - && self_ty.boxed_ty().is_slice() + if self_ty.boxed_ty().is_some_and(Ty::is_slice) && !method_name.span.at_least_rust_2024() { let trait_def = self.tcx.trait_def(poly_trait_ref.def_id()); diff --git a/compiler/rustc_lint/src/shadowed_into_iter.rs b/compiler/rustc_lint/src/shadowed_into_iter.rs index bb9c7d85c2ef..bb122509d0a8 100644 --- a/compiler/rustc_lint/src/shadowed_into_iter.rs +++ b/compiler/rustc_lint/src/shadowed_into_iter.rs @@ -94,12 +94,9 @@ impl<'tcx> LateLintPass<'tcx> for ShadowedIntoIter { fn is_ref_to_array(ty: Ty<'_>) -> bool { if let ty::Ref(_, pointee_ty, _) = *ty.kind() { pointee_ty.is_array() } else { false } } - fn is_boxed_slice(ty: Ty<'_>) -> bool { - ty.is_box() && ty.boxed_ty().is_slice() - } fn is_ref_to_boxed_slice(ty: Ty<'_>) -> bool { if let ty::Ref(_, pointee_ty, _) = *ty.kind() { - is_boxed_slice(pointee_ty) + pointee_ty.boxed_ty().is_some_and(Ty::is_slice) } else { false } @@ -119,7 +116,7 @@ impl<'tcx> LateLintPass<'tcx> for ShadowedIntoIter { .iter() .copied() .take_while(|ty| !is_ref_to_boxed_slice(*ty)) - .position(|ty| is_boxed_slice(ty)) + .position(|ty| ty.boxed_ty().is_some_and(Ty::is_slice)) { (BOXED_SLICE_INTO_ITER, "Box<[T]>", "2024", idx == 0) } else { diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index f2f7c0eaa4df..b5e501b92f0d 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -1304,8 +1304,10 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { match *ty.kind() { ty::Adt(def, args) => { - if def.is_box() && matches!(self.mode, CItemKind::Definition) { - if ty.boxed_ty().is_sized(tcx, self.cx.param_env) { + if let Some(boxed) = ty.boxed_ty() + && matches!(self.mode, CItemKind::Definition) + { + if boxed.is_sized(tcx, self.cx.param_env) { return FfiSafe; } else { return FfiUnsafe { diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index 761d30bac715..b7f7b782c772 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -283,9 +283,8 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { } match *ty.kind() { - ty::Adt(..) if ty.is_box() => { - let boxed_ty = ty.boxed_ty(); - is_ty_must_use(cx, boxed_ty, expr, span) + ty::Adt(..) if let Some(boxed) = ty.boxed_ty() => { + is_ty_must_use(cx, boxed, expr, span) .map(|inner| MustUsePath::Boxed(Box::new(inner))) } ty::Adt(def, args) if cx.tcx.is_lang_item(def.did(), LangItem::Pin) => { diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index d0a9039441dc..8cec8eac1898 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1075,11 +1075,13 @@ where // the raw pointer, so size and align are set to the boxed type, but `pointee.safe` // will still be `None`. if let Some(ref mut pointee) = result { - if offset.bytes() == 0 && this.ty.is_box() { + if offset.bytes() == 0 + && let Some(boxed_ty) = this.ty.boxed_ty() + { debug_assert!(pointee.safe.is_none()); let optimize = tcx.sess.opts.optimize != OptLevel::No; pointee.safe = Some(PointerKind::Box { - unpin: optimize && this.ty.boxed_ty().is_unpin(tcx, cx.param_env()), + unpin: optimize && boxed_ty.is_unpin(tcx, cx.param_env()), global: this.ty.is_box_global(tcx), }); } diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 89ef30fa768e..1f4f2c62d708 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -1170,14 +1170,19 @@ impl<'tcx> Ty<'tcx> { } } - /// Panics if called on any type other than `Box`. - pub fn boxed_ty(self) -> Ty<'tcx> { + pub fn boxed_ty(self) -> Option> { match self.kind() { - Adt(def, args) if def.is_box() => args.type_at(0), - _ => bug!("`boxed_ty` is called on non-box type {:?}", self), + Adt(def, args) if def.is_box() => Some(args.type_at(0)), + _ => None, } } + /// Panics if called on any type other than `Box`. + pub fn expect_boxed_ty(self) -> Ty<'tcx> { + self.boxed_ty() + .unwrap_or_else(|| bug!("`expect_boxed_ty` is called on non-box type {:?}", self)) + } + /// A scalar type is one that denotes an atomic datum, with no sub-components. /// (A RawPtr is scalar because it represents a non-managed pointer, so its /// contents are abstract to rustc.) @@ -1323,7 +1328,7 @@ impl<'tcx> Ty<'tcx> { /// Some types -- notably unsafe ptrs -- can only be dereferenced explicitly. pub fn builtin_deref(self, explicit: bool) -> Option> { match *self.kind() { - Adt(def, _) if def.is_box() => Some(self.boxed_ty()), + _ if let Some(boxed) = self.boxed_ty() => Some(boxed), Ref(_, ty, _) => Some(ty), RawPtr(ty, _) if explicit => Some(ty), _ => None, diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index efbccca77c1f..d70ff8258d04 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -1628,7 +1628,7 @@ impl<'tcx> ExplicitSelf<'tcx> { _ if is_self_ty(self_arg_ty) => ByValue, ty::Ref(region, ty, mutbl) if is_self_ty(ty) => ByReference(region, mutbl), ty::RawPtr(ty, mutbl) if is_self_ty(ty) => ByRawPointer(mutbl), - ty::Adt(def, _) if def.is_box() && is_self_ty(self_arg_ty.boxed_ty()) => ByBox, + _ if self_arg_ty.boxed_ty().is_some_and(is_self_ty) => ByBox, _ => Other, } } diff --git a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs index e5778f8a05d2..97beb728bbc2 100644 --- a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs +++ b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs @@ -62,11 +62,13 @@ impl<'tcx, 'a> MutVisitor<'tcx> for ElaborateBoxDerefVisitor<'tcx, 'a> { let base_ty = self.local_decls[place.local].ty; // Derefer ensures that derefs are always the first projection - if place.projection.first() == Some(&PlaceElem::Deref) && base_ty.is_box() { + if let Some(PlaceElem::Deref) = place.projection.first() + && let Some(boxed_ty) = base_ty.boxed_ty() + { let source_info = self.local_decls[place.local].source_info; let (unique_ty, nonnull_ty, ptr_ty) = - build_ptr_tys(tcx, base_ty.boxed_ty(), self.unique_did, self.nonnull_did); + build_ptr_tys(tcx, boxed_ty, self.unique_did, self.nonnull_did); let ptr_local = self.patch.new_temp(ptr_ty, source_info.span); @@ -120,13 +122,15 @@ impl<'tcx> MirPass<'tcx> for ElaborateBoxDerefs { for (base, elem) in place.iter_projections() { let base_ty = base.ty(&body.local_decls, tcx).ty; - if elem == PlaceElem::Deref && base_ty.is_box() { + if let PlaceElem::Deref = elem + && let Some(boxed_ty) = base_ty.boxed_ty() + { // Clone the projections before us, since now we need to mutate them. let new_projections = new_projections.get_or_insert_with(|| base.projection.to_vec()); let (unique_ty, nonnull_ty, ptr_ty) = - build_ptr_tys(tcx, base_ty.boxed_ty(), unique_did, nonnull_did); + build_ptr_tys(tcx, boxed_ty, unique_did, nonnull_did); new_projections.extend_from_slice(&build_projection( unique_ty, nonnull_ty, ptr_ty, diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 8515ab45de21..093697a290c0 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -1041,8 +1041,11 @@ fn find_vtable_types_for_unsizing<'tcx>( match (source_ty.kind(), target_ty.kind()) { (&ty::Ref(_, a, _), &ty::Ref(_, b, _) | &ty::RawPtr(b, _)) | (&ty::RawPtr(a, _), &ty::RawPtr(b, _)) => ptr_vtable(a, b), - (&ty::Adt(def_a, _), &ty::Adt(def_b, _)) if def_a.is_box() && def_b.is_box() => { - ptr_vtable(source_ty.boxed_ty(), target_ty.boxed_ty()) + (_, _) + if let Some(source_boxed) = source_ty.boxed_ty() + && let Some(target_boxed) = target_ty.boxed_ty() => + { + ptr_vtable(source_boxed, target_boxed) } // T as dyn* Trait diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs index b22e8e30465e..91101ddd5902 100644 --- a/compiler/rustc_monomorphize/src/lib.rs +++ b/compiler/rustc_monomorphize/src/lib.rs @@ -1,5 +1,7 @@ // tidy-alphabetical-start #![feature(array_windows)] +#![feature(if_let_guard)] +#![feature(let_chains)] #![warn(unreachable_pub)] // tidy-alphabetical-end diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs index bff2a184b19f..65d21518491d 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs @@ -348,8 +348,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { } } if let Some(ty::error::ExpectedFound { found, .. }) = exp_found - && ty.is_box() - && ty.boxed_ty() == found + && ty.boxed_ty() == Some(found) && let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span) { err.span_suggestion( diff --git a/src/tools/clippy/clippy_lints/src/escape.rs b/src/tools/clippy/clippy_lints/src/escape.rs index a5da52b0be50..803606979410 100644 --- a/src/tools/clippy/clippy_lints/src/escape.rs +++ b/src/tools/clippy/clippy_lints/src/escape.rs @@ -50,7 +50,7 @@ declare_clippy_lint! { } fn is_non_trait_box(ty: Ty<'_>) -> bool { - ty.is_box() && !ty.boxed_ty().is_trait() + ty.boxed_ty().is_some_and(|boxed| !boxed.is_trait()) } struct EscapeDelegate<'a, 'tcx> { @@ -191,8 +191,8 @@ impl<'a, 'tcx> Delegate<'tcx> for EscapeDelegate<'a, 'tcx> { impl<'a, 'tcx> EscapeDelegate<'a, 'tcx> { fn is_large_box(&self, ty: Ty<'tcx>) -> bool { // Large types need to be boxed to avoid stack overflows. - if ty.is_box() { - self.cx.layout_of(ty.boxed_ty()).map_or(0, |l| l.size.bytes()) > self.too_large_for_stack + if let Some(boxed_ty) = ty.boxed_ty() { + self.cx.layout_of(boxed_ty).map_or(0, |l| l.size.bytes()) > self.too_large_for_stack } else { false } diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index d7126990edb1..f61bb3a6bf48 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -5187,8 +5187,8 @@ impl SelfKind { fn matches_value<'a>(cx: &LateContext<'a>, parent_ty: Ty<'a>, ty: Ty<'a>) -> bool { if ty == parent_ty { true - } else if ty.is_box() { - ty.boxed_ty() == parent_ty + } else if let Some(boxed_ty) = ty.boxed_ty() { + boxed_ty == parent_ty } else if is_type_diagnostic_item(cx, ty, sym::Rc) || is_type_diagnostic_item(cx, ty, sym::Arc) { if let ty::Adt(_, args) = ty.kind() { args.types().next().map_or(false, |t| t == parent_ty) diff --git a/src/tools/clippy/clippy_lints/src/methods/utils.rs b/src/tools/clippy/clippy_lints/src/methods/utils.rs index 0d2b0a313176..fe860e5ae260 100644 --- a/src/tools/clippy/clippy_lints/src/methods/utils.rs +++ b/src/tools/clippy/clippy_lints/src/methods/utils.rs @@ -16,7 +16,7 @@ pub(super) fn derefs_to_slice<'tcx>( fn may_slice<'a>(cx: &LateContext<'a>, ty: Ty<'a>) -> bool { match ty.kind() { ty::Slice(_) => true, - ty::Adt(def, _) if def.is_box() => may_slice(cx, ty.boxed_ty()), + ty::Adt(..) if let Some(boxed) = ty.boxed_ty() => may_slice(cx, boxed), ty::Adt(..) => is_type_diagnostic_item(cx, ty, sym::Vec), ty::Array(_, size) => size.try_eval_target_usize(cx.tcx, cx.param_env).is_some(), ty::Ref(_, inner, _) => may_slice(cx, *inner), @@ -33,7 +33,7 @@ pub(super) fn derefs_to_slice<'tcx>( } else { match ty.kind() { ty::Slice(_) => Some(expr), - ty::Adt(def, _) if def.is_box() && may_slice(cx, ty.boxed_ty()) => Some(expr), + _ if ty.boxed_ty().is_some_and(|boxed| may_slice(cx, boxed)) => Some(expr), ty::Ref(_, inner, _) => { if may_slice(cx, *inner) { Some(expr) diff --git a/src/tools/clippy/clippy_lints/src/unnecessary_box_returns.rs b/src/tools/clippy/clippy_lints/src/unnecessary_box_returns.rs index 3f130bf5a673..14f4aa6676b6 100644 --- a/src/tools/clippy/clippy_lints/src/unnecessary_box_returns.rs +++ b/src/tools/clippy/clippy_lints/src/unnecessary_box_returns.rs @@ -75,11 +75,9 @@ impl UnnecessaryBoxReturns { .instantiate_bound_regions_with_erased(cx.tcx.fn_sig(def_id).skip_binder()) .output(); - if !return_ty.is_box() { + let Some(boxed_ty) = return_ty.boxed_ty() else { return; - } - - let boxed_ty = return_ty.boxed_ty(); + }; // It's sometimes useful to return Box if T is unsized, so don't lint those. // Also, don't lint if we know that T is very large, in which case returning diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index f80981c11af6..585134209ca3 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -704,8 +704,8 @@ pub fn expr_sig<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>) -> Option(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option> { - if ty.is_box() { - return ty_sig(cx, ty.boxed_ty()); + if let Some(boxed_ty) = ty.boxed_ty() { + return ty_sig(cx, boxed_ty); } match *ty.kind() { ty::Closure(id, subs) => { From fc28a2a506f66c739e6c059eb044ed98a3f805c2 Mon Sep 17 00:00:00 2001 From: kromych Date: Thu, 5 Sep 2024 15:26:34 -0700 Subject: [PATCH 060/149] Break into the debugger (if attached) on panics (Windows, macOS, Linux, FreeBSD) The developer experience for panics is to provide the backtrace and exit the program. When running under debugger, that might be improved by breaking into the debugger once the code panics thus enabling the developer to examine the program state at the exact time when the code panicked. Let the developer catch the panic in the debugger if it is attached. If the debugger is not attached, nothing changes. Providing this feature inside the standard library facilitates better debugging experience. Validated under Windows, Linux, macOS 14.6, and FreeBSD 13.3..14.1. --- library/std/src/panicking.rs | 18 ++- library/std/src/sys/dbg.rs | 229 +++++++++++++++++++++++++++++++++++ library/std/src/sys/mod.rs | 1 + 3 files changed, 247 insertions(+), 1 deletion(-) create mode 100644 library/std/src/sys/dbg.rs diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 190eed94555b..04882a6b22c5 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -23,8 +23,8 @@ use crate::mem::{self, ManuallyDrop}; use crate::panic::{BacktraceStyle, PanicHookInfo}; use crate::sync::atomic::{AtomicBool, Ordering}; use crate::sync::{PoisonError, RwLock}; -use crate::sys::backtrace; use crate::sys::stdio::panic_output; +use crate::sys::{backtrace, dbg}; use crate::{fmt, intrinsics, process, thread}; // Binary interface to the panic runtime that the standard library depends on. @@ -855,6 +855,14 @@ pub fn rust_panic_without_hook(payload: Box) -> ! { #[cfg_attr(not(test), rustc_std_internal_symbol)] #[cfg(not(feature = "panic_immediate_abort"))] fn rust_panic(msg: &mut dyn PanicPayload) -> ! { + // Break into the debugger if it is attached. + // The return value is not currently used. + // + // This function isn't used anywhere else, and + // using inside `#[panic_handler]` doesn't seem + // to count, so a warning is issued. + let _ = dbg::breakpoint_if_debugging(); + let code = unsafe { __rust_start_panic(msg) }; rtabort!("failed to initiate panic, error {code}") } @@ -862,6 +870,14 @@ fn rust_panic(msg: &mut dyn PanicPayload) -> ! { #[cfg_attr(not(test), rustc_std_internal_symbol)] #[cfg(feature = "panic_immediate_abort")] fn rust_panic(_: &mut dyn PanicPayload) -> ! { + // Break into the debugger if it is attached. + // The return value is not currently used. + // + // This function isn't used anywhere else, and + // using inside `#[panic_handler]` doesn't seem + // to count, so a warning is issued. + let _ = dbg::breakpoint_if_debugging(); + unsafe { crate::intrinsics::abort(); } diff --git a/library/std/src/sys/dbg.rs b/library/std/src/sys/dbg.rs new file mode 100644 index 000000000000..a6e78db3c86f --- /dev/null +++ b/library/std/src/sys/dbg.rs @@ -0,0 +1,229 @@ +//! Debugging aids. + +/// Presence of a debugger. The debugger being concerned +/// is expected to use the OS API to debug this process. +#[derive(Copy, Clone, Debug)] +#[allow(unused)] +pub(crate) enum DebuggerPresence { + /// The debugger is attached to this process. + Detected, + /// The debugger is not attached to this process. + NotDetected, +} + +#[cfg(target_os = "windows")] +mod os { + use super::DebuggerPresence; + + #[link(name = "kernel32")] + extern "system" { + fn IsDebuggerPresent() -> i32; + } + + pub(super) fn is_debugger_present() -> Option { + // SAFETY: No state is shared between threads. The call reads + // a field from the Thread Environment Block using the OS API + // as required by the documentation. + if unsafe { IsDebuggerPresent() } != 0 { + Some(DebuggerPresence::Detected) + } else { + Some(DebuggerPresence::NotDetected) + } + } +} + +#[cfg(any(target_vendor = "apple", target_os = "freebsd"))] +mod os { + use libc::{c_int, sysctl, CTL_KERN, KERN_PROC, KERN_PROC_PID}; + + use super::DebuggerPresence; + use crate::io::{Cursor, Read, Seek, SeekFrom}; + use crate::process; + + const P_TRACED: i32 = 0x00000800; + + // The assumption is that the kernel structures available to the + // user space may not shrink or repurpose the existing fields over + // time. The kernels normally adhere to that for the backward + // compatibility of the user space. + + // The macOS 14.5 SDK comes with a header `MacOSX14.5.sdk/usr/include/sys/sysctl.h` + // that defines `struct kinfo_proc` be of `648` bytes on the 64-bit system. That has + // not changed since macOS 10.13 (released in 2017) at least, validated by building + // a C program in XCode while changing the build target. Apple provides this example + // for reference: https://developer.apple.com/library/archive/qa/qa1361/_index.html. + #[cfg(target_vendor = "apple")] + const KINFO_PROC_SIZE: usize = if cfg!(target_pointer_width = "64") { 648 } else { 492 }; + #[cfg(target_vendor = "apple")] + const KINFO_PROC_FLAGS_OFFSET: u64 = if cfg!(target_pointer_width = "64") { 32 } else { 16 }; + + // Works for FreeBSD stable (13.3, 13.4) and current (14.0, 14.1). + // The size of the structure has stayed the same for a long time, + // at least since 2005: + // https://lists.freebsd.org/pipermail/freebsd-stable/2005-November/019899.html + #[cfg(target_os = "freebsd")] + const KINFO_PROC_SIZE: usize = if cfg!(target_pointer_width = "64") { 1088 } else { 768 }; + #[cfg(target_os = "freebsd")] + const KINFO_PROC_FLAGS_OFFSET: u64 = if cfg!(target_pointer_width = "64") { 368 } else { 296 }; + + pub(super) fn is_debugger_present() -> Option { + debug_assert_ne!(KINFO_PROC_SIZE, 0); + + let mut flags = [0u8; 4]; // `ki_flag` under FreeBSD and `p_flag` under macOS. + let mut mib = [CTL_KERN, KERN_PROC, KERN_PROC_PID, process::id() as c_int]; + let mut info_size = KINFO_PROC_SIZE; + let mut kinfo_proc = [0u8; KINFO_PROC_SIZE]; + + // SAFETY: No state is shared with other threads. The sysctl call + // is safe according to the documentation. + if unsafe { + sysctl( + mib.as_mut_ptr(), + mib.len() as u32, + kinfo_proc.as_mut_ptr().cast(), + &mut info_size, + core::ptr::null_mut(), + 0, + ) + } != 0 + { + return None; + } + debug_assert_eq!(info_size, KINFO_PROC_SIZE); + + let mut reader = Cursor::new(kinfo_proc); + reader.seek(SeekFrom::Start(KINFO_PROC_FLAGS_OFFSET)).ok()?; + reader.read_exact(&mut flags).ok()?; + // Just in case, not limiting this to the little-endian systems. + let flags = i32::from_ne_bytes(flags); + + if flags & P_TRACED != 0 { + Some(DebuggerPresence::Detected) + } else { + Some(DebuggerPresence::NotDetected) + } + } +} + +#[cfg(target_os = "linux")] +mod os { + use super::DebuggerPresence; + use crate::fs::File; + use crate::io::Read; + + pub(super) fn is_debugger_present() -> Option { + // This function is crafted with the following goals: + // * Memory efficiency: It avoids crashing the panicking process due to + // out-of-memory (OOM) conditions by not using large heap buffers or + // allocating significant stack space, which could lead to stack overflow. + // * Minimal binary size: The function uses a minimal set of facilities + // from the standard library to avoid increasing the resulting binary size. + // + // To achieve these goals, the function does not use `[std::io::BufReader]` + // and instead reads the file byte by byte using a sliding window approach. + // It's important to note that the "/proc/self/status" pseudo-file is synthesized + // by the Virtual File System (VFS), meaning it is not read from a slow or + // non-volatile storage medium so buffering might not be as beneficial because + // all data is read from memory, though this approach does incur a syscall for + // each byte read. + // + // We cannot make assumptions about the file size or the position of the + // target prefix ("TracerPid:"), so the function does not use + // `[std::fs::read_to_string]` thus not employing UTF-8 to ASCII checking, + // conversion, or parsing as we're looking for an ASCII prefix. + // + // These condiderations make the function deviate from the familiar concise pattern + // of searching for a string in a text file. + + fn read_byte(file: &mut File) -> Option { + let mut buffer = [0]; + file.read_exact(&mut buffer).ok()?; + Some(buffer[0]) + } + + // The ASCII prefix of the datum we're interested in. + const TRACER_PID: &[u8] = b"TracerPid:\t"; + + let mut file = File::open("/proc/self/status").ok()?; + let mut matched = 0; + + // Look for the `TRACER_PID` prefix. + while let Some(byte) = read_byte(&mut file) { + if byte == TRACER_PID[matched] { + matched += 1; + if matched == TRACER_PID.len() { + break; + } + } else { + matched = 0; + } + } + + // Was the prefix found? + if matched != TRACER_PID.len() { + return None; + } + + // It was; get the ASCII representation of the first digit + // of the PID. That is enough to see if there is a debugger + // attached as the kernel does not pad the PID on the left + // with the leading zeroes. + let byte = read_byte(&mut file)?; + if byte.is_ascii_digit() && byte != b'0' { + Some(DebuggerPresence::Detected) + } else { + Some(DebuggerPresence::NotDetected) + } + } +} + +#[cfg(not(any( + target_os = "windows", + target_vendor = "apple", + target_os = "freebsd", + target_os = "linux" +)))] +mod os { + pub(super) fn is_debugger_present() -> Option { + None + } +} + +/// Detect the debugger presence. +/// +/// The code does not try to detect the debugger at all costs (e.g., when anti-debugger +/// tricks are at play), it relies on the interfaces provided by the OS. +/// +/// Return value: +/// * `None`: it's not possible to conclude whether the debugger is attached to this +/// process or not. When checking for the presence of the debugger, the detection logic +/// encountered an issue, such as the OS API throwing an error or the feature not being +/// implemented. +/// * `Some(DebuggerPresence::Detected)`: yes, the debugger is attached +/// to this process. +/// * `Some(DebuggerPresence::NotDetected)`: no, the debugger is not +/// attached to this process. +pub(crate) fn is_debugger_present() -> Option { + if cfg!(miri) { None } else { os::is_debugger_present() } +} + +/// Execute the breakpoint instruction if the debugger presence is detected. +/// Useful for breaking into the debugger without the need to set a breakpoint +/// in the debugger. +/// +/// Note that there is a race between attaching or detaching the debugger, and running the +/// breakpoint instruction. This is nonetheless memory-safe, like [`crate::process::abort`] +/// is. In case the debugger is attached and the function is about +/// to run the breakpoint instruction yet right before that the debugger detaches, the +/// process will crash due to running the breakpoint instruction and the debugger not +/// handling the trap exception. +pub(crate) fn breakpoint_if_debugging() -> Option { + let debugger_present = is_debugger_present(); + if let Some(DebuggerPresence::Detected) = debugger_present { + // SAFETY: Executing the breakpoint instruction. No state is shared + // or modified by this code. + unsafe { core::intrinsics::breakpoint() }; + } + + debugger_present +} diff --git a/library/std/src/sys/mod.rs b/library/std/src/sys/mod.rs index 1ef17dd530fd..96d6f2c87c4c 100644 --- a/library/std/src/sys/mod.rs +++ b/library/std/src/sys/mod.rs @@ -11,6 +11,7 @@ mod personality; pub mod anonymous_pipe; pub mod backtrace; pub mod cmath; +pub mod dbg; pub mod exit_guard; pub mod os_str; pub mod path; From 3699e939e8f6a2517806a219c082723d50dd4288 Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Thu, 5 Sep 2024 17:58:05 -0700 Subject: [PATCH 061/149] rustdoc-search: allow trailing `Foo ->` arg search --- src/librustdoc/html/static/js/externs.js | 1 + src/librustdoc/html/static/js/search.js | 10 ++-- tests/rustdoc-js-std/parser-errors.js | 9 ---- tests/rustdoc-js-std/parser-returned.js | 68 ++++++++++++++++++++++++ tests/rustdoc-js/never-search.js | 7 +++ 5 files changed, 81 insertions(+), 14 deletions(-) diff --git a/src/librustdoc/html/static/js/externs.js b/src/librustdoc/html/static/js/externs.js index 6fd60d6cc346..3d3e0a8f8381 100644 --- a/src/librustdoc/html/static/js/externs.js +++ b/src/librustdoc/html/static/js/externs.js @@ -41,6 +41,7 @@ let ParserState; * foundElems: number, * totalElems: number, * literalSearch: boolean, + * hasReturnArrow: boolean, * corrections: Array<{from: string, to: integer}> | null, * typeFingerprint: Uint32Array, * error: Array | null, diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index 6f575e60ed42..4da0bbc787d9 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -657,7 +657,7 @@ function createQueryElement(query, parserState, name, generics, isInGenerics) { } const typeFilter = parserState.typeFilter; parserState.typeFilter = null; - if (name === "!") { + if (name.trim() === "!") { if (typeFilter !== null && typeFilter !== "primitive") { throw [ "Invalid search type: primitive never type ", @@ -1795,6 +1795,7 @@ class DocSearch { // Total number of elements (includes generics). totalElems: 0, literalSearch: false, + hasReturnArrow: false, error: null, correction: null, proposeCorrectionFrom: null, @@ -1823,6 +1824,7 @@ class DocSearch { continue; } else if (c === "-" || c === ">") { if (isReturnArrow(parserState)) { + query.hasReturnArrow = true; break; } throw ["Unexpected ", c, " (did you mean ", "->", "?)"]; @@ -1889,9 +1891,7 @@ class DocSearch { // Get returned elements. getItemsBefore(query, parserState, query.returned, ""); // Nothing can come afterward! - if (query.returned.length === 0) { - throw ["Expected at least one item after ", "->"]; - } + query.hasReturnArrow = true; break; } else { parserState.pos += 1; @@ -3249,7 +3249,7 @@ class DocSearch { this.buildFunctionTypeFingerprint(elem, parsedQuery.typeFingerprint, fps); } - if (parsedQuery.foundElems === 1 && parsedQuery.returned.length === 0) { + if (parsedQuery.foundElems === 1 && !parsedQuery.hasReturnArrow) { if (parsedQuery.elems.length === 1) { const elem = parsedQuery.elems[0]; const length = this.searchIndex.length; diff --git a/tests/rustdoc-js-std/parser-errors.js b/tests/rustdoc-js-std/parser-errors.js index c4d7c2b0b859..5ce35bf511d7 100644 --- a/tests/rustdoc-js-std/parser-errors.js +++ b/tests/rustdoc-js-std/parser-errors.js @@ -251,15 +251,6 @@ const PARSED = [ userQuery: "ab'", error: "Unexpected `'` after `b` (not a valid identifier)", }, - { - query: "a->", - elems: [], - foundElems: 0, - original: "a->", - returned: [], - userQuery: "a->", - error: "Expected at least one item after `->`", - }, { query: '"p" ', elems: [], diff --git a/tests/rustdoc-js-std/parser-returned.js b/tests/rustdoc-js-std/parser-returned.js index 44e517c49b59..8f68209bb966 100644 --- a/tests/rustdoc-js-std/parser-returned.js +++ b/tests/rustdoc-js-std/parser-returned.js @@ -94,4 +94,72 @@ const PARSED = [ userQuery: "-> !", error: null, }, + { + query: "a->", + elems: [{ + name: "a", + fullPath: ["a"], + pathWithoutLast: [], + pathLast: "a", + generics: [], + typeFilter: -1, + }], + foundElems: 1, + original: "a->", + returned: [], + userQuery: "a->", + hasReturnArrow: true, + error: null, + }, + { + query: "!->", + elems: [{ + name: "never", + fullPath: ["never"], + pathWithoutLast: [], + pathLast: "never", + generics: [], + typeFilter: 1, + }], + foundElems: 1, + original: "!->", + returned: [], + userQuery: "!->", + hasReturnArrow: true, + error: null, + }, + { + query: "! ->", + elems: [{ + name: "never", + fullPath: ["never"], + pathWithoutLast: [], + pathLast: "never", + generics: [], + typeFilter: 1, + }], + foundElems: 1, + original: "! ->", + returned: [], + userQuery: "! ->", + hasReturnArrow: true, + error: null, + }, + { + query: "primitive:!->", + elems: [{ + name: "never", + fullPath: ["never"], + pathWithoutLast: [], + pathLast: "never", + generics: [], + typeFilter: 1, + }], + foundElems: 1, + original: "primitive:!->", + returned: [], + userQuery: "primitive:!->", + hasReturnArrow: true, + error: null, + }, ]; diff --git a/tests/rustdoc-js/never-search.js b/tests/rustdoc-js/never-search.js index 9f18370c2f51..9cc62a5ed04a 100644 --- a/tests/rustdoc-js/never-search.js +++ b/tests/rustdoc-js/never-search.js @@ -1,6 +1,13 @@ // exact-check const EXPECTED = [ + { + 'query': '! ->', + 'others': [ + { 'path': 'never_search', 'name': 'impossible' }, + { 'path': 'never_search', 'name': 'box_impossible' }, + ], + }, { 'query': '-> !', 'others': [ From 4f5c16d62f250024a111aaf827927c32bc88e4da Mon Sep 17 00:00:00 2001 From: Manuel Drehwald Date: Wed, 4 Sep 2024 15:25:43 -0400 Subject: [PATCH 062/149] Enzyme backend Co-authored-by: Lorenz Schmidt --- .gitmodules | 4 + config.example.toml | 3 + src/bootstrap/configure.py | 1 + src/bootstrap/src/core/build_steps/compile.rs | 22 +++++ src/bootstrap/src/core/build_steps/llvm.rs | 95 +++++++++++++++++++ src/bootstrap/src/core/builder.rs | 7 ++ src/bootstrap/src/core/config/config.rs | 8 ++ src/bootstrap/src/lib.rs | 10 ++ src/bootstrap/src/utils/change_tracker.rs | 5 + src/tools/enzyme | 1 + src/tools/tidy/config/black.toml | 1 + src/tools/tidy/config/ruff.toml | 2 + src/tools/tidy/src/walk.rs | 1 + 13 files changed, 160 insertions(+) create mode 160000 src/tools/enzyme diff --git a/.gitmodules b/.gitmodules index b5250d493864..926807336d79 100644 --- a/.gitmodules +++ b/.gitmodules @@ -47,3 +47,7 @@ path = src/tools/rustc-perf url = https://github.com/rust-lang/rustc-perf.git shallow = true +[submodule "src/tools/enzyme"] + path = src/tools/enzyme + url = https://github.com/EnzymeAD/Enzyme.git + shallow = true diff --git a/config.example.toml b/config.example.toml index 13f76933b165..e9433c9c9bd0 100644 --- a/config.example.toml +++ b/config.example.toml @@ -78,6 +78,9 @@ # Indicates whether the LLVM plugin is enabled or not #plugins = false +# Wheter to build Enzyme as AutoDiff backend. +#enzyme = false + # Indicates whether ccache is used when building LLVM. Set to `true` to use the first `ccache` in # PATH, or set an absolute path to use a specific version. #ccache = false diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py index 768aac912ce4..49d564642bd6 100755 --- a/src/bootstrap/configure.py +++ b/src/bootstrap/configure.py @@ -71,6 +71,7 @@ v("llvm-libunwind", "rust.llvm-libunwind", "use LLVM libunwind") # channel, etc. o("optimize-llvm", "llvm.optimize", "build optimized LLVM") o("llvm-assertions", "llvm.assertions", "build LLVM with assertions") +o("llvm-enzyme", "llvm.enzyme", "build LLVM with enzyme") o("llvm-plugins", "llvm.plugins", "build LLVM with plugin interface") o("debug-assertions", "rust.debug-assertions", "build with debugging assertions") o("debug-assertions-std", "rust.debug-assertions-std", "build the standard library with debugging assertions") diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index eef548033f1c..8467f2e21117 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1189,6 +1189,10 @@ pub fn rustc_cargo_env( cargo.env("RUSTC_VERIFY_LLVM_IR", "1"); } + if builder.config.llvm_enzyme { + cargo.rustflag("--cfg=llvm_enzyme"); + } + // Note that this is disabled if LLVM itself is disabled or we're in a check // build. If we are in a check build we still go ahead here presuming we've // detected that LLVM is already built and good to go which helps prevent @@ -1784,6 +1788,24 @@ impl Step for Assemble { // use that to bootstrap this compiler forward. let mut build_compiler = builder.compiler(target_compiler.stage - 1, builder.config.build); + // Build enzyme + let enzyme_install = if builder.config.llvm_enzyme { + Some(builder.ensure(llvm::Enzyme { target: build_compiler.host })) + } else { + None + }; + + if let Some(enzyme_install) = enzyme_install { + let lib_ext = std::env::consts::DLL_EXTENSION; + let src_lib = enzyme_install.join("build/Enzyme/libEnzyme-19").with_extension(lib_ext); + let libdir = builder.sysroot_libdir(build_compiler, build_compiler.host); + let target_libdir = builder.sysroot_libdir(target_compiler, target_compiler.host); + let dst_lib = libdir.join("libEnzyme-19").with_extension(lib_ext); + let target_dst_lib = target_libdir.join("libEnzyme-19").with_extension(lib_ext); + builder.copy_link(&src_lib, &dst_lib); + builder.copy_link(&src_lib, &target_dst_lib); + } + // Build the libraries for this compiler to link to (i.e., the libraries // it uses at runtime). NOTE: Crates the target compiler compiles don't // link to these. (FIXME: Is that correct? It seems to be correct most diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index e1eea31b3bbf..442638d32034 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -529,6 +529,7 @@ impl Step for Llvm { } }; + // FIXME(ZuseZ4): Do we need that for Enzyme too? // When building LLVM with LLVM_LINK_LLVM_DYLIB for macOS, an unversioned // libLLVM.dylib will be built. However, llvm-config will still look // for a versioned path like libLLVM-14.dylib. Manually create a symbolic @@ -849,6 +850,100 @@ fn get_var(var_base: &str, host: &str, target: &str) -> Option { .or_else(|| env::var_os(var_base)) } +#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)] +pub struct Enzyme { + pub target: TargetSelection, +} + +impl Step for Enzyme { + type Output = PathBuf; + const ONLY_HOSTS: bool = true; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.path("src/tools/enzyme/enzyme") + } + + fn make_run(run: RunConfig<'_>) { + run.builder.ensure(Enzyme { target: run.target }); + } + + /// Compile Enzyme for `target`. + fn run(self, builder: &Builder<'_>) -> PathBuf { + builder.require_submodule( + "src/tools/enzyme", + Some("The Enzyme sources are required for autodiff."), + ); + if builder.config.dry_run() { + let out_dir = builder.enzyme_out(self.target); + return out_dir; + } + let target = self.target; + + let LlvmResult { llvm_config, .. } = builder.ensure(Llvm { target: self.target }); + + static STAMP_HASH_MEMO: OnceLock = OnceLock::new(); + let smart_stamp_hash = STAMP_HASH_MEMO.get_or_init(|| { + generate_smart_stamp_hash( + builder, + &builder.config.src.join("src/tools/enzyme"), + builder.enzyme_info.sha().unwrap_or_default(), + ) + }); + + let out_dir = builder.enzyme_out(target); + let stamp = out_dir.join("enzyme-finished-building"); + let stamp = HashStamp::new(stamp, Some(smart_stamp_hash)); + + if stamp.is_done() { + if stamp.hash.is_none() { + builder.info( + "Could not determine the Enzyme submodule commit hash. \ + Assuming that an Enzyme rebuild is not necessary.", + ); + builder.info(&format!( + "To force Enzyme to rebuild, remove the file `{}`", + stamp.path.display() + )); + } + return out_dir; + } + + builder.info(&format!("Building Enzyme for {}", target)); + t!(stamp.remove()); + let _time = helpers::timeit(builder); + t!(fs::create_dir_all(&out_dir)); + + builder + .config + .update_submodule(Path::new("src").join("tools").join("enzyme").to_str().unwrap()); + let mut cfg = cmake::Config::new(builder.src.join("src/tools/enzyme/enzyme/")); + // FIXME(ZuseZ4): Find a nicer way to use Enzyme Debug builds + //cfg.profile("Debug"); + //cfg.define("CMAKE_BUILD_TYPE", "Debug"); + configure_cmake(builder, target, &mut cfg, true, LdFlags::default(), &[]); + + // Re-use the same flags as llvm to control the level of debug information + // generated for lld. + let profile = match (builder.config.llvm_optimize, builder.config.llvm_release_debuginfo) { + (false, _) => "Debug", + (true, false) => "Release", + (true, true) => "RelWithDebInfo", + }; + + cfg.out_dir(&out_dir) + .profile(profile) + .env("LLVM_CONFIG_REAL", &llvm_config) + .define("LLVM_ENABLE_ASSERTIONS", "ON") + .define("ENZYME_EXTERNAL_SHARED_LIB", "ON") + .define("LLVM_DIR", builder.llvm_out(target)); + + cfg.build(); + + t!(stamp.write()); + out_dir + } +} + #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub struct Lld { pub target: TargetSelection, diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index 304fe8da2bf5..a28b19d33a63 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -798,6 +798,7 @@ impl<'a> Builder<'a> { tool::Miri, tool::CargoMiri, llvm::Lld, + llvm::Enzyme, llvm::CrtBeginEnd, tool::RustdocGUITest, tool::OptimizedDist, @@ -1588,6 +1589,12 @@ impl<'a> Builder<'a> { rustflags.arg(sysroot_str); } + // https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/.E2.9C.94.20link.20new.20library.20into.20stage1.2Frustc + if self.config.llvm_enzyme { + rustflags.arg("-l"); + rustflags.arg("Enzyme-19"); + } + let use_new_symbol_mangling = match self.config.rust_new_symbol_mangling { Some(setting) => { // If an explicit setting is given, use that diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index f7cc9ee7219b..52c1c462788a 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -221,6 +221,7 @@ pub struct Config { // llvm codegen options pub llvm_assertions: bool, pub llvm_tests: bool, + pub llvm_enzyme: bool, pub llvm_plugins: bool, pub llvm_optimize: bool, pub llvm_thin_lto: bool, @@ -898,6 +899,7 @@ define_config! { release_debuginfo: Option = "release-debuginfo", assertions: Option = "assertions", tests: Option = "tests", + enzyme: Option = "enzyme", plugins: Option = "plugins", ccache: Option = "ccache", static_libstdcpp: Option = "static-libstdcpp", @@ -1603,6 +1605,7 @@ impl Config { // we'll infer default values for them later let mut llvm_assertions = None; let mut llvm_tests = None; + let mut llvm_enzyme = None; let mut llvm_plugins = None; let mut debug = None; let mut debug_assertions = None; @@ -1722,6 +1725,8 @@ impl Config { config.llvm_tools_enabled = llvm_tools.unwrap_or(true); config.rustc_parallel = parallel_compiler.unwrap_or(config.channel == "dev" || config.channel == "nightly"); + config.llvm_enzyme = + llvm_enzyme.unwrap_or(config.channel == "dev" || config.channel == "nightly"); config.rustc_default_linker = default_linker; config.musl_root = musl_root.map(PathBuf::from); config.save_toolstates = save_toolstates.map(PathBuf::from); @@ -1806,6 +1811,7 @@ impl Config { release_debuginfo, assertions, tests, + enzyme, plugins, ccache, static_libstdcpp, @@ -1839,6 +1845,7 @@ impl Config { set(&mut config.ninja_in_file, ninja); llvm_assertions = assertions; llvm_tests = tests; + llvm_enzyme = enzyme; llvm_plugins = plugins; set(&mut config.llvm_optimize, optimize_toml); set(&mut config.llvm_thin_lto, thin_lto); @@ -2055,6 +2062,7 @@ impl Config { config.llvm_assertions = llvm_assertions.unwrap_or(false); config.llvm_tests = llvm_tests.unwrap_or(false); + config.llvm_enzyme = llvm_enzyme.unwrap_or(false); config.llvm_plugins = llvm_plugins.unwrap_or(false); config.rust_optimize = optimize.unwrap_or(RustOptimize::Bool(true)); diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 5751c398f30f..624246479f73 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -77,6 +77,9 @@ const LLD_FILE_NAMES: &[&str] = &["ld.lld", "ld64.lld", "lld-link", "wasm-ld"]; #[allow(clippy::type_complexity)] // It's fine for hard-coded list and type is explained above. const EXTRA_CHECK_CFGS: &[(Option, &str, Option<&[&'static str]>)] = &[ (None, "bootstrap", None), + (Some(Mode::Rustc), "llvm_enzyme", None), + (Some(Mode::Codegen), "llvm_enzyme", None), + (Some(Mode::ToolRustc), "llvm_enzyme", None), (Some(Mode::Rustc), "parallel_compiler", None), (Some(Mode::ToolRustc), "parallel_compiler", None), (Some(Mode::ToolRustc), "rust_analyzer", None), @@ -140,6 +143,7 @@ pub struct Build { clippy_info: GitInfo, miri_info: GitInfo, rustfmt_info: GitInfo, + enzyme_info: GitInfo, in_tree_llvm_info: GitInfo, local_rebuild: bool, fail_fast: bool, @@ -306,6 +310,7 @@ impl Build { let clippy_info = GitInfo::new(omit_git_hash, &src.join("src/tools/clippy")); let miri_info = GitInfo::new(omit_git_hash, &src.join("src/tools/miri")); let rustfmt_info = GitInfo::new(omit_git_hash, &src.join("src/tools/rustfmt")); + let enzyme_info = GitInfo::new(omit_git_hash, &src.join("src/tools/enzyme")); // we always try to use git for LLVM builds let in_tree_llvm_info = GitInfo::new(false, &src.join("src/llvm-project")); @@ -393,6 +398,7 @@ impl Build { clippy_info, miri_info, rustfmt_info, + enzyme_info, in_tree_llvm_info, cc: RefCell::new(HashMap::new()), cxx: RefCell::new(HashMap::new()), @@ -740,6 +746,10 @@ impl Build { } } + fn enzyme_out(&self, target: TargetSelection) -> PathBuf { + self.out.join(&*target.triple).join("enzyme") + } + fn lld_out(&self, target: TargetSelection) -> PathBuf { self.out.join(target).join("lld") } diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs index 3fec2d953d96..80ab09881fe1 100644 --- a/src/bootstrap/src/utils/change_tracker.rs +++ b/src/bootstrap/src/utils/change_tracker.rs @@ -245,4 +245,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[ severity: ChangeSeverity::Warning, summary: "Removed `rust.split-debuginfo` as it was deprecated long time ago.", }, + ChangeInfo { + change_id: 129176, + severity: ChangeSeverity::Info, + summary: "New option `llvm.enzyme` to control whether the llvm based autodiff tool (Enzyme) is built.", + }, ]; diff --git a/src/tools/enzyme b/src/tools/enzyme new file mode 160000 index 000000000000..2fe5164a2423 --- /dev/null +++ b/src/tools/enzyme @@ -0,0 +1 @@ +Subproject commit 2fe5164a2423dd67ef25e2c4fb204fd06362494b diff --git a/src/tools/tidy/config/black.toml b/src/tools/tidy/config/black.toml index e73847a93ba4..a1e1eef987a5 100644 --- a/src/tools/tidy/config/black.toml +++ b/src/tools/tidy/config/black.toml @@ -12,5 +12,6 @@ extend-exclude = """(\ src/llvm-project/|\ src/doc/embedded-book/|\ src/tools/rustc-perf/|\ + src/tools/enzyme/|\ library/backtrace/ )""" diff --git a/src/tools/tidy/config/ruff.toml b/src/tools/tidy/config/ruff.toml index c87c17f78331..2be109010a06 100644 --- a/src/tools/tidy/config/ruff.toml +++ b/src/tools/tidy/config/ruff.toml @@ -16,6 +16,7 @@ extend-exclude = [ "src/llvm-project/", "src/doc/embedded-book/", "library/backtrace/", + "src/tools/enzyme/", "src/tools/rustc-perf/", # Hack: CI runs from a subdirectory under the main checkout "../src/doc/nomicon/", @@ -29,6 +30,7 @@ extend-exclude = [ "../src/llvm-project/", "../src/doc/embedded-book/", "../library/backtrace/", + "../src/tools/enzyme/", "../src/tools/rustc-perf/", ] diff --git a/src/tools/tidy/src/walk.rs b/src/tools/tidy/src/walk.rs index d4721b5a5fd1..4a69022ebdc5 100644 --- a/src/tools/tidy/src/walk.rs +++ b/src/tools/tidy/src/walk.rs @@ -24,6 +24,7 @@ pub fn filter_dirs(path: &Path) -> bool { "src/tools/rust-analyzer", "src/tools/rustc-perf", "src/tools/rustfmt", + "src/tools/enzyme", "src/doc/book", "src/doc/edition-guide", "src/doc/embedded-book", From 3446ca535ecead268a4c8393ba7a48fd783b363a Mon Sep 17 00:00:00 2001 From: Jonathan Conder Date: Fri, 6 Sep 2024 12:52:32 +1200 Subject: [PATCH 063/149] coverage: Add test to codify existing behavior Currently `await` is only counted towards coverage if the containing function is suspended and resumed at least once. A future commit will fix this and update the test to reflect the new behavior. --- tests/coverage/await_ready.cov-map | 26 ++++++++++++++++++++ tests/coverage/await_ready.coverage | 38 +++++++++++++++++++++++++++++ tests/coverage/await_ready.rs | 37 ++++++++++++++++++++++++++++ 3 files changed, 101 insertions(+) create mode 100644 tests/coverage/await_ready.cov-map create mode 100644 tests/coverage/await_ready.coverage create mode 100644 tests/coverage/await_ready.rs diff --git a/tests/coverage/await_ready.cov-map b/tests/coverage/await_ready.cov-map new file mode 100644 index 000000000000..c6dfc01e861f --- /dev/null +++ b/tests/coverage/await_ready.cov-map @@ -0,0 +1,26 @@ +Function name: await_ready::await_ready +Raw bytes (9): 0x[01, 01, 00, 01, 01, 0a, 01, 00, 1e] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 10, 1) to (start + 0, 30) + +Function name: await_ready::await_ready::{closure#0} +Raw bytes (19): 0x[01, 01, 00, 03, 01, 0a, 1e, 02, 0c, 05, 03, 0a, 00, 0f, 09, 01, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 3 +- Code(Counter(0)) at (prev + 10, 30) to (start + 2, 12) +- Code(Counter(1)) at (prev + 3, 10) to (start + 0, 15) +- Code(Counter(2)) at (prev + 1, 1) to (start + 0, 2) + +Function name: await_ready::main +Raw bytes (9): 0x[01, 01, 00, 01, 01, 10, 01, 03, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 16, 1) to (start + 3, 2) + diff --git a/tests/coverage/await_ready.coverage b/tests/coverage/await_ready.coverage new file mode 100644 index 000000000000..bddaf15cf80d --- /dev/null +++ b/tests/coverage/await_ready.coverage @@ -0,0 +1,38 @@ + LL| |#![feature(coverage_attribute)] + LL| |#![feature(custom_inner_attributes)] // for #![rustfmt::skip] + LL| |#![feature(noop_waker)] + LL| |#![rustfmt::skip] + LL| |//@ edition: 2021 + LL| | + LL| |#[coverage(off)] + LL| |async fn ready() -> u8 { 1 } + LL| | + LL| 1|async fn await_ready() -> u8 { + LL| 1| // FIXME(#98712): await is only covered if the function yields + LL| 1| ready() + LL| 0| .await + LL| 1|} + LL| | + LL| 1|fn main() { + LL| 1| let mut future = Box::pin(await_ready()); + LL| 1| executor::block_on(future.as_mut()); + LL| 1|} + LL| | + LL| |mod executor { + LL| | use core::future::Future; + LL| | use core::pin::pin; + LL| | use core::task::{Context, Poll, Waker}; + LL| | + LL| | #[coverage(off)] + LL| | pub fn block_on(mut future: F) -> F::Output { + LL| | let mut future = pin!(future); + LL| | let mut context = Context::from_waker(Waker::noop()); + LL| | + LL| | loop { + LL| | if let Poll::Ready(val) = future.as_mut().poll(&mut context) { + LL| | break val; + LL| | } + LL| | } + LL| | } + LL| |} + diff --git a/tests/coverage/await_ready.rs b/tests/coverage/await_ready.rs new file mode 100644 index 000000000000..884ff16fff68 --- /dev/null +++ b/tests/coverage/await_ready.rs @@ -0,0 +1,37 @@ +#![feature(coverage_attribute)] +#![feature(custom_inner_attributes)] // for #![rustfmt::skip] +#![feature(noop_waker)] +#![rustfmt::skip] +//@ edition: 2021 + +#[coverage(off)] +async fn ready() -> u8 { 1 } + +async fn await_ready() -> u8 { + // FIXME(#98712): await is only covered if the function yields + ready() + .await +} + +fn main() { + let mut future = Box::pin(await_ready()); + executor::block_on(future.as_mut()); +} + +mod executor { + use core::future::Future; + use core::pin::pin; + use core::task::{Context, Poll, Waker}; + + #[coverage(off)] + pub fn block_on(mut future: F) -> F::Output { + let mut future = pin!(future); + let mut context = Context::from_waker(Waker::noop()); + + loop { + if let Poll::Ready(val) = future.as_mut().poll(&mut context) { + break val; + } + } + } +} From 25d183057edcf5d24ba0dcc8d5222a2a954aa80f Mon Sep 17 00:00:00 2001 From: Jonathan Conder Date: Fri, 6 Sep 2024 10:25:25 +1200 Subject: [PATCH 064/149] coverage: Treat await similar to a macro Currently `await` is only counted towards coverage if the containing function is suspended and resumed at least once. This is because it expands to code which contains a branch on the discriminant of `Poll`. By treating it like a branching macro (e.g. `assert!`), these implementation details will be hidden from the coverage results. --- .../rustc_mir_transform/src/coverage/spans.rs | 36 ++++++++------ .../src/coverage/spans/from_mir.rs | 22 ++++----- .../src/coverage/unexpand.rs | 15 ++---- tests/coverage/async.cov-map | 48 ++++++++----------- tests/coverage/async.coverage | 4 +- tests/coverage/await_ready.cov-map | 9 ++-- tests/coverage/await_ready.coverage | 4 +- tests/coverage/await_ready.rs | 2 +- 8 files changed, 68 insertions(+), 72 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index fcc774503f45..b904b0d2599b 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -3,7 +3,7 @@ use std::collections::VecDeque; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashSet; use rustc_middle::mir; -use rustc_span::Span; +use rustc_span::{DesugaringKind, ExpnKind, MacroKind, Span}; use tracing::{debug, debug_span, instrument}; use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph}; @@ -25,7 +25,7 @@ pub(super) fn extract_refined_covspans( // First, perform the passes that need macro information. covspans.sort_by(|a, b| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb)); - remove_unwanted_macro_spans(&mut covspans); + remove_unwanted_expansion_spans(&mut covspans); split_visible_macro_spans(&mut covspans); // We no longer need the extra information in `SpanFromMir`, so convert to `Covspan`. @@ -76,18 +76,24 @@ pub(super) fn extract_refined_covspans( /// invocation, which is unhelpful. Keeping only the first such span seems to /// give better mappings, so remove the others. /// +/// Similarly, `await` expands to a branch on the discriminant of `Poll`, which +/// leads to incorrect coverage if the `Future` is immediately ready (#98712). +/// /// (The input spans should be sorted in BCB dominator order, so that the /// retained "first" span is likely to dominate the others.) -fn remove_unwanted_macro_spans(covspans: &mut Vec) { - let mut seen_macro_spans = FxHashSet::default(); - covspans.retain(|covspan| { - // Ignore (retain) non-macro-expansion spans. - if covspan.visible_macro.is_none() { - return true; - } +fn remove_unwanted_expansion_spans(covspans: &mut Vec) { + let mut deduplicated_spans = FxHashSet::default(); - // Retain only the first macro-expanded covspan with this span. - seen_macro_spans.insert(covspan.span) + covspans.retain(|covspan| { + match covspan.expn_kind { + // Retain only the first await-related or macro-expanded covspan with this span. + Some(ExpnKind::Desugaring(kind)) if kind == DesugaringKind::Await => { + deduplicated_spans.insert(covspan.span) + } + Some(ExpnKind::Macro(MacroKind::Bang, _)) => deduplicated_spans.insert(covspan.span), + // Ignore (retain) other spans. + _ => true, + } }); } @@ -99,7 +105,9 @@ fn split_visible_macro_spans(covspans: &mut Vec) { let mut extra_spans = vec![]; covspans.retain(|covspan| { - let Some(visible_macro) = covspan.visible_macro else { return true }; + let Some(ExpnKind::Macro(MacroKind::Bang, visible_macro)) = covspan.expn_kind else { + return true; + }; let split_len = visible_macro.as_str().len() as u32 + 1; let (before, after) = covspan.span.split_at(split_len); @@ -111,8 +119,8 @@ fn split_visible_macro_spans(covspans: &mut Vec) { return true; } - extra_spans.push(SpanFromMir::new(before, covspan.visible_macro, covspan.bcb)); - extra_spans.push(SpanFromMir::new(after, covspan.visible_macro, covspan.bcb)); + extra_spans.push(SpanFromMir::new(before, covspan.expn_kind.clone(), covspan.bcb)); + extra_spans.push(SpanFromMir::new(after, covspan.expn_kind.clone(), covspan.bcb)); false // Discard the original covspan that we just split. }); diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index 32bd25bf4b96..7f5765c9462d 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -3,13 +3,13 @@ use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::mir::{ self, FakeReadCause, Statement, StatementKind, Terminator, TerminatorKind, }; -use rustc_span::{Span, Symbol}; +use rustc_span::{ExpnKind, Span}; use crate::coverage::graph::{ BasicCoverageBlock, BasicCoverageBlockData, CoverageGraph, START_BCB, }; use crate::coverage::spans::Covspan; -use crate::coverage::unexpand::unexpand_into_body_span_with_visible_macro; +use crate::coverage::unexpand::unexpand_into_body_span_with_expn_kind; use crate::coverage::ExtractedHirInfo; pub(crate) struct ExtractedCovspans { @@ -60,7 +60,7 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( let data = &mir_body[bb]; let unexpand = move |expn_span| { - unexpand_into_body_span_with_visible_macro(expn_span, body_span) + unexpand_into_body_span_with_expn_kind(expn_span, body_span) // Discard any spans that fill the entire body, because they tend // to represent compiler-inserted code, e.g. implicitly returning `()`. .filter(|(span, _)| !span.source_equal(body_span)) @@ -68,9 +68,9 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( let mut extract_statement_span = |statement| { let expn_span = filtered_statement_span(statement)?; - let (span, visible_macro) = unexpand(expn_span)?; + let (span, expn_kind) = unexpand(expn_span)?; - initial_covspans.push(SpanFromMir::new(span, visible_macro, bcb)); + initial_covspans.push(SpanFromMir::new(span, expn_kind, bcb)); Some(()) }; for statement in data.statements.iter() { @@ -79,9 +79,9 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( let mut extract_terminator_span = |terminator| { let expn_span = filtered_terminator_span(terminator)?; - let (span, visible_macro) = unexpand(expn_span)?; + let (span, expn_kind) = unexpand(expn_span)?; - initial_covspans.push(SpanFromMir::new(span, visible_macro, bcb)); + initial_covspans.push(SpanFromMir::new(span, expn_kind, bcb)); Some(()) }; extract_terminator_span(data.terminator()); @@ -214,7 +214,7 @@ pub(crate) struct SpanFromMir { /// With the exception of `fn_sig_span`, this should always be contained /// within `body_span`. pub(crate) span: Span, - pub(crate) visible_macro: Option, + pub(crate) expn_kind: Option, pub(crate) bcb: BasicCoverageBlock, } @@ -223,12 +223,12 @@ impl SpanFromMir { Self::new(fn_sig_span, None, START_BCB) } - pub(crate) fn new(span: Span, visible_macro: Option, bcb: BasicCoverageBlock) -> Self { - Self { span, visible_macro, bcb } + pub(crate) fn new(span: Span, expn_kind: Option, bcb: BasicCoverageBlock) -> Self { + Self { span, expn_kind, bcb } } pub(crate) fn into_covspan(self) -> Covspan { - let Self { span, visible_macro: _, bcb } = self; + let Self { span, expn_kind: _, bcb } = self; Covspan { span, bcb } } } diff --git a/compiler/rustc_mir_transform/src/coverage/unexpand.rs b/compiler/rustc_mir_transform/src/coverage/unexpand.rs index 8cde291b9073..cb8615447362 100644 --- a/compiler/rustc_mir_transform/src/coverage/unexpand.rs +++ b/compiler/rustc_mir_transform/src/coverage/unexpand.rs @@ -1,4 +1,4 @@ -use rustc_span::{ExpnKind, MacroKind, Span, Symbol}; +use rustc_span::{ExpnKind, Span}; /// Walks through the expansion ancestors of `original_span` to find a span that /// is contained in `body_span` and has the same [syntax context] as `body_span`. @@ -13,20 +13,15 @@ pub(crate) fn unexpand_into_body_span(original_span: Span, body_span: Span) -> O /// /// If the returned span represents a bang-macro invocation (e.g. `foo!(..)`), /// the returned symbol will be the name of that macro (e.g. `foo`). -pub(crate) fn unexpand_into_body_span_with_visible_macro( +pub(crate) fn unexpand_into_body_span_with_expn_kind( original_span: Span, body_span: Span, -) -> Option<(Span, Option)> { +) -> Option<(Span, Option)> { let (span, prev) = unexpand_into_body_span_with_prev(original_span, body_span)?; - let visible_macro = prev - .map(|prev| match prev.ctxt().outer_expn_data().kind { - ExpnKind::Macro(MacroKind::Bang, name) => Some(name), - _ => None, - }) - .flatten(); + let expn_kind = prev.map(|prev| prev.ctxt().outer_expn_data().kind); - Some((span, visible_macro)) + Some((span, expn_kind)) } /// Walks through the expansion ancestors of `original_span` to find a span that diff --git a/tests/coverage/async.cov-map b/tests/coverage/async.cov-map index 9e5a4bdc60fd..1ba165f1e499 100644 --- a/tests/coverage/async.cov-map +++ b/tests/coverage/async.cov-map @@ -92,20 +92,18 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 25, 1) to (start + 0, 23) Function name: async::g::{closure#0} (unused) -Raw bytes (69): 0x[01, 01, 00, 0d, 00, 19, 17, 01, 0c, 00, 02, 09, 00, 0a, 00, 00, 0e, 00, 11, 00, 00, 12, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 09, 00, 0a, 00, 00, 0e, 00, 11, 00, 00, 12, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02] +Raw bytes (59): 0x[01, 01, 00, 0b, 00, 19, 17, 01, 0c, 00, 02, 09, 00, 0a, 00, 00, 0e, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 09, 00, 0a, 00, 00, 0e, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 -Number of file 0 mappings: 13 +Number of file 0 mappings: 11 - Code(Zero) at (prev + 25, 23) to (start + 1, 12) - Code(Zero) at (prev + 2, 9) to (start + 0, 10) -- Code(Zero) at (prev + 0, 14) to (start + 0, 17) -- Code(Zero) at (prev + 0, 18) to (start + 0, 23) +- Code(Zero) at (prev + 0, 14) to (start + 0, 23) - Code(Zero) at (prev + 0, 27) to (start + 0, 28) - Code(Zero) at (prev + 0, 32) to (start + 0, 34) - Code(Zero) at (prev + 1, 9) to (start + 0, 10) -- Code(Zero) at (prev + 0, 14) to (start + 0, 17) -- Code(Zero) at (prev + 0, 18) to (start + 0, 23) +- Code(Zero) at (prev + 0, 14) to (start + 0, 23) - Code(Zero) at (prev + 0, 27) to (start + 0, 28) - Code(Zero) at (prev + 0, 32) to (start + 0, 34) - Code(Zero) at (prev + 1, 14) to (start + 0, 16) @@ -120,15 +118,14 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 33, 1) to (start + 0, 22) Function name: async::h::{closure#0} (unused) -Raw bytes (44): 0x[01, 01, 00, 08, 00, 21, 16, 03, 0c, 00, 04, 09, 00, 0a, 00, 00, 0e, 00, 13, 00, 00, 14, 00, 19, 00, 00, 1a, 00, 1b, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02] +Raw bytes (39): 0x[01, 01, 00, 07, 00, 21, 16, 03, 0c, 00, 04, 09, 00, 0a, 00, 00, 0e, 00, 19, 00, 00, 1a, 00, 1b, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 -Number of file 0 mappings: 8 +Number of file 0 mappings: 7 - Code(Zero) at (prev + 33, 22) to (start + 3, 12) - Code(Zero) at (prev + 4, 9) to (start + 0, 10) -- Code(Zero) at (prev + 0, 14) to (start + 0, 19) -- Code(Zero) at (prev + 0, 20) to (start + 0, 25) +- Code(Zero) at (prev + 0, 14) to (start + 0, 25) - Code(Zero) at (prev + 0, 26) to (start + 0, 27) - Code(Zero) at (prev + 0, 32) to (start + 0, 34) - Code(Zero) at (prev + 1, 14) to (start + 0, 16) @@ -143,28 +140,25 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 42, 1) to (start + 0, 19) Function name: async::i::{closure#0} -Raw bytes (78): 0x[01, 01, 02, 07, 21, 19, 1d, 0e, 01, 2a, 13, 04, 0c, 0d, 05, 09, 00, 0a, 01, 00, 0e, 00, 12, 05, 00, 13, 00, 18, 09, 00, 1c, 00, 21, 0d, 00, 27, 00, 2a, 15, 00, 2b, 00, 30, 1d, 01, 09, 00, 0a, 11, 00, 0e, 00, 11, 25, 00, 12, 00, 17, 29, 00, 1b, 00, 20, 1d, 00, 24, 00, 26, 21, 01, 0e, 00, 10, 03, 02, 01, 00, 02] +Raw bytes (63): 0x[01, 01, 02, 07, 19, 11, 15, 0b, 01, 2a, 13, 04, 0c, 09, 05, 09, 00, 0a, 01, 00, 0e, 00, 18, 05, 00, 1c, 00, 21, 09, 00, 27, 00, 30, 15, 01, 09, 00, 0a, 0d, 00, 0e, 00, 17, 1d, 00, 1b, 00, 20, 15, 00, 24, 00, 26, 19, 01, 0e, 00, 10, 03, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 2 -- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(8) -- expression 1 operands: lhs = Counter(6), rhs = Counter(7) -Number of file 0 mappings: 14 +- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(6) +- expression 1 operands: lhs = Counter(4), rhs = Counter(5) +Number of file 0 mappings: 11 - Code(Counter(0)) at (prev + 42, 19) to (start + 4, 12) -- Code(Counter(3)) at (prev + 5, 9) to (start + 0, 10) -- Code(Counter(0)) at (prev + 0, 14) to (start + 0, 18) -- Code(Counter(1)) at (prev + 0, 19) to (start + 0, 24) -- Code(Counter(2)) at (prev + 0, 28) to (start + 0, 33) -- Code(Counter(3)) at (prev + 0, 39) to (start + 0, 42) -- Code(Counter(5)) at (prev + 0, 43) to (start + 0, 48) -- Code(Counter(7)) at (prev + 1, 9) to (start + 0, 10) -- Code(Counter(4)) at (prev + 0, 14) to (start + 0, 17) -- Code(Counter(9)) at (prev + 0, 18) to (start + 0, 23) -- Code(Counter(10)) at (prev + 0, 27) to (start + 0, 32) -- Code(Counter(7)) at (prev + 0, 36) to (start + 0, 38) -- Code(Counter(8)) at (prev + 1, 14) to (start + 0, 16) +- Code(Counter(2)) at (prev + 5, 9) to (start + 0, 10) +- Code(Counter(0)) at (prev + 0, 14) to (start + 0, 24) +- Code(Counter(1)) at (prev + 0, 28) to (start + 0, 33) +- Code(Counter(2)) at (prev + 0, 39) to (start + 0, 48) +- Code(Counter(5)) at (prev + 1, 9) to (start + 0, 10) +- Code(Counter(3)) at (prev + 0, 14) to (start + 0, 23) +- Code(Counter(7)) at (prev + 0, 27) to (start + 0, 32) +- Code(Counter(5)) at (prev + 0, 36) to (start + 0, 38) +- Code(Counter(6)) at (prev + 1, 14) to (start + 0, 16) - Code(Expression(0, Add)) at (prev + 2, 1) to (start + 0, 2) - = ((c6 + c7) + c8) + = ((c4 + c5) + c6) Function name: async::j Raw bytes (58): 0x[01, 01, 02, 07, 0d, 05, 09, 0a, 01, 35, 01, 00, 0d, 01, 0b, 0b, 00, 0c, 05, 01, 09, 00, 0a, 01, 00, 0e, 00, 1b, 05, 00, 1f, 00, 27, 09, 01, 09, 00, 0a, 11, 00, 0e, 00, 1a, 09, 00, 1e, 00, 20, 0d, 01, 0e, 00, 10, 03, 02, 01, 00, 02] diff --git a/tests/coverage/async.coverage b/tests/coverage/async.coverage index f5473829b028..995674257c4a 100644 --- a/tests/coverage/async.coverage +++ b/tests/coverage/async.coverage @@ -45,9 +45,9 @@ LL| 1| // executed asynchronously. LL| 1| match x { LL| 1| y if c(x).await == y + 1 => { d().await; } - ^0 ^0 ^0 ^0 + ^0 ^0 LL| 1| y if f().await == y + 1 => (), - ^0 ^0 ^0 + ^0 ^0 LL| 1| _ => (), LL| | } LL| 1|} diff --git a/tests/coverage/await_ready.cov-map b/tests/coverage/await_ready.cov-map index c6dfc01e861f..0c9f2ae29a8c 100644 --- a/tests/coverage/await_ready.cov-map +++ b/tests/coverage/await_ready.cov-map @@ -7,14 +7,13 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 10, 1) to (start + 0, 30) Function name: await_ready::await_ready::{closure#0} -Raw bytes (19): 0x[01, 01, 00, 03, 01, 0a, 1e, 02, 0c, 05, 03, 0a, 00, 0f, 09, 01, 01, 00, 02] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 0a, 1e, 03, 0f, 05, 04, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 -Number of file 0 mappings: 3 -- Code(Counter(0)) at (prev + 10, 30) to (start + 2, 12) -- Code(Counter(1)) at (prev + 3, 10) to (start + 0, 15) -- Code(Counter(2)) at (prev + 1, 1) to (start + 0, 2) +Number of file 0 mappings: 2 +- Code(Counter(0)) at (prev + 10, 30) to (start + 3, 15) +- Code(Counter(1)) at (prev + 4, 1) to (start + 0, 2) Function name: await_ready::main Raw bytes (9): 0x[01, 01, 00, 01, 01, 10, 01, 03, 02] diff --git a/tests/coverage/await_ready.coverage b/tests/coverage/await_ready.coverage index bddaf15cf80d..0075f09426e0 100644 --- a/tests/coverage/await_ready.coverage +++ b/tests/coverage/await_ready.coverage @@ -8,9 +8,9 @@ LL| |async fn ready() -> u8 { 1 } LL| | LL| 1|async fn await_ready() -> u8 { - LL| 1| // FIXME(#98712): await is only covered if the function yields + LL| 1| // await should be covered even if the function never yields LL| 1| ready() - LL| 0| .await + LL| 1| .await LL| 1|} LL| | LL| 1|fn main() { diff --git a/tests/coverage/await_ready.rs b/tests/coverage/await_ready.rs index 884ff16fff68..9212a4ba705a 100644 --- a/tests/coverage/await_ready.rs +++ b/tests/coverage/await_ready.rs @@ -8,7 +8,7 @@ async fn ready() -> u8 { 1 } async fn await_ready() -> u8 { - // FIXME(#98712): await is only covered if the function yields + // await should be covered even if the function never yields ready() .await } From 96837dcade77185d270c90326f000fc057c29a8e Mon Sep 17 00:00:00 2001 From: Ulrik Mikaelsson Date: Mon, 26 Aug 2024 17:19:45 +0200 Subject: [PATCH 065/149] Adjust doc comment of Condvar::wait_while The existing phrasing implies that a notification must be received for `wait_while` to return. The phrasing is changed to better reflect the behavior. --- library/std/src/sync/condvar.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/library/std/src/sync/condvar.rs b/library/std/src/sync/condvar.rs index 08d46f356d9f..e41cbc1a65c0 100644 --- a/library/std/src/sync/condvar.rs +++ b/library/std/src/sync/condvar.rs @@ -195,8 +195,11 @@ impl Condvar { if poisoned { Err(PoisonError::new(guard)) } else { Ok(guard) } } - /// Blocks the current thread until this condition variable receives a - /// notification and the provided condition is false. + /// Blocks the current thread until the provided condition becomes false. + /// + /// `condition` is checked immediately; if not met (returns `true`), this + /// will [`wait`] for the next notification then check again. This repeats + /// until `condition` returns `false`, in which case this function returns. /// /// This function will atomically unlock the mutex specified (represented by /// `guard`) and block the current thread. This means that any calls @@ -210,6 +213,7 @@ impl Condvar { /// poisoned when this thread re-acquires the lock. For more information, /// see information about [poisoning] on the [`Mutex`] type. /// + /// [`wait`]: Self::wait /// [`notify_one`]: Self::notify_one /// [`notify_all`]: Self::notify_all /// [poisoning]: super::Mutex#poisoning From 54ebb9d4897c2f372e3b20f833c2ea4eaf656a0e Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Mon, 2 Sep 2024 15:45:06 +0200 Subject: [PATCH 066/149] Do not request sanitizers for naked functions Naked functions can only contain inline asm, so any instrumentation inserted by sanitizers is illegal. Don't request it. Fixes https://github.com/rust-lang/rust/issues/129224. --- compiler/rustc_codegen_llvm/src/attributes.rs | 46 ++++++++++--------- tests/codegen/naked-asan.rs | 22 +++++++++ 2 files changed, 47 insertions(+), 21 deletions(-) create mode 100644 tests/codegen/naked-asan.rs diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 92a857c2adcf..9d4497d73a8a 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -411,26 +411,31 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( // the string "false". Now it is disabled by absence of the attribute. to_add.push(llvm::CreateAttrStringValue(cx.llcx, "branch-target-enforcement", "false")); } - } else if llvm_util::get_version() >= (19, 0, 0) { - // For non-naked functions, set branch protection attributes on aarch64. - if let Some(BranchProtection { bti, pac_ret }) = - cx.sess().opts.unstable_opts.branch_protection - { - assert!(cx.sess().target.arch == "aarch64"); - if bti { - to_add.push(llvm::CreateAttrString(cx.llcx, "branch-target-enforcement")); - } - if let Some(PacRet { leaf, key }) = pac_ret { - to_add.push(llvm::CreateAttrStringValue( - cx.llcx, - "sign-return-address", - if leaf { "all" } else { "non-leaf" }, - )); - to_add.push(llvm::CreateAttrStringValue( - cx.llcx, - "sign-return-address-key", - if key == PAuthKey::A { "a_key" } else { "b_key" }, - )); + } else { + // Do not set sanitizer attributes for naked functions. + to_add.extend(sanitize_attrs(cx, codegen_fn_attrs.no_sanitize)); + + if llvm_util::get_version() >= (19, 0, 0) { + // For non-naked functions, set branch protection attributes on aarch64. + if let Some(BranchProtection { bti, pac_ret }) = + cx.sess().opts.unstable_opts.branch_protection + { + assert!(cx.sess().target.arch == "aarch64"); + if bti { + to_add.push(llvm::CreateAttrString(cx.llcx, "branch-target-enforcement")); + } + if let Some(PacRet { leaf, key }) = pac_ret { + to_add.push(llvm::CreateAttrStringValue( + cx.llcx, + "sign-return-address", + if leaf { "all" } else { "non-leaf" }, + )); + to_add.push(llvm::CreateAttrStringValue( + cx.llcx, + "sign-return-address-key", + if key == PAuthKey::A { "a_key" } else { "b_key" }, + )); + } } } } @@ -485,7 +490,6 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( if let Some(backchain) = backchain_attr(cx) { to_add.push(backchain); } - to_add.extend(sanitize_attrs(cx, codegen_fn_attrs.no_sanitize)); to_add.extend(patchable_function_entry_attrs(cx, codegen_fn_attrs.patchable_function_entry)); // Always annotate functions with the target-cpu they are compiled for. diff --git a/tests/codegen/naked-asan.rs b/tests/codegen/naked-asan.rs new file mode 100644 index 000000000000..a45b95780f79 --- /dev/null +++ b/tests/codegen/naked-asan.rs @@ -0,0 +1,22 @@ +// Make sure we do not request sanitizers for naked functions. + +//@ only-x86_64 +//@ needs-sanitizer-address +//@ compile-flags: -Zsanitizer=address -Ctarget-feature=-crt-static + +#![crate_type = "lib"] +#![no_std] +#![feature(abi_x86_interrupt, naked_functions)] + +// CHECK: define x86_intrcc void @page_fault_handler(ptr {{.*}}%0, i64 {{.*}}%1){{.*}}#[[ATTRS:[0-9]+]] { +// CHECK-NOT: memcpy +#[naked] +#[no_mangle] +pub extern "x86-interrupt" fn page_fault_handler(_: u64, _: u64) { + unsafe { + core::arch::asm!("ud2", options(noreturn)); + } +} + +// CHECK: #[[ATTRS]] = +// CHECK-NOT: sanitize_address From e38764d73b84eb625102233623e79f36515345e2 Mon Sep 17 00:00:00 2001 From: Pavel Grigorenko Date: Sun, 1 Sep 2024 01:14:06 +0300 Subject: [PATCH 067/149] elided_named_lifetimes: unify lint def & pass MissingLifetimeKind --- .../rustc_lint/src/context/diagnostics.rs | 23 +++++++++++-------- compiler/rustc_lint_defs/src/lib.rs | 17 ++++++++------ compiler/rustc_resolve/src/late.rs | 14 +++++++---- 3 files changed, 33 insertions(+), 21 deletions(-) diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index fd43afa17438..b1c1e4f4dd68 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -8,7 +8,7 @@ use rustc_errors::{ elided_lifetime_in_path_suggestion, Applicability, Diag, DiagArgValue, LintDiagnostic, }; use rustc_middle::middle::stability; -use rustc_session::lint::BuiltinLintDiag; +use rustc_session::lint::{BuiltinLintDiag, ElidedLifetimeResolution}; use rustc_session::Session; use rustc_span::symbol::kw; use rustc_span::BytePos; @@ -442,15 +442,18 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & BuiltinLintDiag::UnexpectedBuiltinCfg { cfg, cfg_name, controlled_by } => { lints::UnexpectedBuiltinCfg { cfg, cfg_name, controlled_by }.decorate_lint(diag) } - BuiltinLintDiag::ElidedIsStatic { elided } => { - lints::ElidedNamedLifetime { elided, name: kw::StaticLifetime, named_declaration: None } - .decorate_lint(diag) - } - BuiltinLintDiag::ElidedIsParam { elided, param: (param_name, param_span) } => { - lints::ElidedNamedLifetime { - elided, - name: param_name, - named_declaration: Some(param_span), + BuiltinLintDiag::ElidedNamedLifetimes { elided: (elided, _kind), resolution } => { + match resolution { + ElidedLifetimeResolution::Static => lints::ElidedNamedLifetime { + elided, + name: kw::StaticLifetime, + named_declaration: None, + }, + ElidedLifetimeResolution::Param(name, declaration) => lints::ElidedNamedLifetime { + elided, + name, + named_declaration: Some(declaration), + }, } .decorate_lint(diag) } diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 6ee330416236..9a72e4f67393 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -10,7 +10,7 @@ use rustc_data_structures::stable_hasher::{ }; use rustc_error_messages::{DiagMessage, MultiSpan}; use rustc_hir::def::Namespace; -use rustc_hir::{HashStableContext, HirId}; +use rustc_hir::{HashStableContext, HirId, MissingLifetimeKind}; use rustc_macros::{Decodable, Encodable, HashStable_Generic}; use rustc_span::edition::Edition; use rustc_span::symbol::{Ident, MacroRulesNormalizedIdent}; @@ -556,6 +556,12 @@ pub enum DeprecatedSinceKind { InVersion(String), } +#[derive(Debug)] +pub enum ElidedLifetimeResolution { + Static, + Param(Symbol, Span), +} + // This could be a closure, but then implementing derive trait // becomes hacky (and it gets allocated). #[derive(Debug)] @@ -568,12 +574,9 @@ pub enum BuiltinLintDiag { }, MacroExpandedMacroExportsAccessedByAbsolutePaths(Span), ElidedLifetimesInPaths(usize, Span, bool, Span), - ElidedIsStatic { - elided: Span, - }, - ElidedIsParam { - elided: Span, - param: (Symbol, Span), + ElidedNamedLifetimes { + elided: (Span, MissingLifetimeKind), + resolution: ElidedLifetimeResolution, }, UnknownCrateTypes { span: Span, diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 79c42456cf8c..917cb81aa511 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -2062,7 +2062,10 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { lint::builtin::ELIDED_NAMED_LIFETIMES, missing.id_for_lint, missing.span, - BuiltinLintDiag::ElidedIsStatic { elided: missing.span }, + BuiltinLintDiag::ElidedNamedLifetimes { + elided: (missing.span, missing.kind), + resolution: lint::ElidedLifetimeResolution::Static, + }, ); } } @@ -2072,9 +2075,12 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { lint::builtin::ELIDED_NAMED_LIFETIMES, missing.id_for_lint, missing.span, - BuiltinLintDiag::ElidedIsParam { - elided: missing.span, - param: (tcx.item_name(param.into()), tcx.source_span(param)), + BuiltinLintDiag::ElidedNamedLifetimes { + elided: (missing.span, missing.kind), + resolution: lint::ElidedLifetimeResolution::Param( + tcx.item_name(param.into()), + tcx.source_span(param), + ), }, ); } From dcfc71310d560a77b4813f60511c2b15c5125b80 Mon Sep 17 00:00:00 2001 From: Pavel Grigorenko Date: Sun, 1 Sep 2024 03:42:18 +0300 Subject: [PATCH 068/149] elided_named_lifetimes: add suggestions --- compiler/rustc_lint/messages.ftl | 2 + .../rustc_lint/src/context/diagnostics.rs | 44 ++++++++++++------- compiler/rustc_lint/src/lints.rs | 2 +- .../async-await/issues/issue-63388-1.stderr | 4 ++ .../type-dependent/issue-71348.full.stderr | 4 ++ .../type-dependent/issue-71348.min.stderr | 4 ++ .../consts/min_const_fn/min_const_fn.stderr | 9 ++++ .../ui/impl-trait/impl-fn-hrtb-bounds.stderr | 4 ++ .../impl-fn-predefined-lifetimes.stderr | 4 ++ .../rpit-assoc-pair-with-lifetime.stderr | 4 ++ ...urn-type-requires-explicit-lifetime.stderr | 4 ++ ...-existing-name-if-else-using-impl-3.stderr | 4 ++ .../example-from-issue48686.stderr | 4 ++ .../missing-lifetime-kind.stderr | 19 ++++++++ .../not-tied-to-crate.stderr | 8 ++++ .../lint/elided-named-lifetimes/static.stderr | 19 ++++++++ .../object-lifetime-default-elision.stderr | 4 ++ .../ignore-non-reference-lifetimes.stderr | 9 ++++ tests/ui/self/self_lifetime-async.stderr | 9 ++++ tests/ui/self/self_lifetime.stderr | 9 ++++ .../impl-trait-missing-lifetime-gated.stderr | 4 ++ .../missing-lifetimes-in-signature.stderr | 4 ++ .../missing_lifetime_bound.stderr | 4 ++ 23 files changed, 166 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 759320b9eb65..fe211355ac38 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -256,6 +256,8 @@ lint_elided_named_lifetime = elided lifetime has a name .label_elided = this elided lifetime gets resolved as `{$name}` .label_named = lifetime `{$name}` declared here +lint_elided_named_lifetime_suggestion = consider specifying it explicitly + lint_enum_intrinsics_mem_discriminant = the return value of `mem::discriminant` is unspecified when called with a non-enum type .note = the argument to `discriminant` should be a reference to an enum, but it was passed a reference to a `{$ty_param}`, which is not an enum diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index b1c1e4f4dd68..a1a371a032e9 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -7,6 +7,7 @@ use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; use rustc_errors::{ elided_lifetime_in_path_suggestion, Applicability, Diag, DiagArgValue, LintDiagnostic, }; +use rustc_hir::MissingLifetimeKind; use rustc_middle::middle::stability; use rustc_session::lint::{BuiltinLintDiag, ElidedLifetimeResolution}; use rustc_session::Session; @@ -14,7 +15,8 @@ use rustc_span::symbol::kw; use rustc_span::BytePos; use tracing::debug; -use crate::lints; +use crate::fluent_generated; +use crate::lints::{self, ElidedNamedLifetime}; mod check_cfg; @@ -442,20 +444,32 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & BuiltinLintDiag::UnexpectedBuiltinCfg { cfg, cfg_name, controlled_by } => { lints::UnexpectedBuiltinCfg { cfg, cfg_name, controlled_by }.decorate_lint(diag) } - BuiltinLintDiag::ElidedNamedLifetimes { elided: (elided, _kind), resolution } => { - match resolution { - ElidedLifetimeResolution::Static => lints::ElidedNamedLifetime { - elided, - name: kw::StaticLifetime, - named_declaration: None, - }, - ElidedLifetimeResolution::Param(name, declaration) => lints::ElidedNamedLifetime { - elided, - name, - named_declaration: Some(declaration), - }, - } - .decorate_lint(diag) + BuiltinLintDiag::ElidedNamedLifetimes { elided: (span, kind), resolution } => { + let (name, named_declaration) = match resolution { + ElidedLifetimeResolution::Static => (kw::StaticLifetime, None), + ElidedLifetimeResolution::Param(name, declaration) => (name, Some(declaration)), + }; + ElidedNamedLifetime { span, name, named_declaration }.decorate_lint(diag); + + let (applicability, suggestion) = match kind { + MissingLifetimeKind::Underscore => { + (Applicability::MachineApplicable, format!("{name}")) + } + MissingLifetimeKind::Ampersand => { + (Applicability::MachineApplicable, format!("&{name} ")) + } + MissingLifetimeKind::Comma => (Applicability::Unspecified, format!("<{name}, ")), + MissingLifetimeKind::Brackets => ( + Applicability::Unspecified, + format!("{}<{name}>", sess.source_map().span_to_snippet(span).unwrap()), + ), + }; + diag.span_suggestion_verbose( + span, + fluent_generated::lint_elided_named_lifetime_suggestion, + suggestion, + applicability, + ); } } } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 9050f36acba7..426d671f8e0a 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2627,7 +2627,7 @@ pub(crate) struct ElidedLifetimesInPaths { #[diag(lint_elided_named_lifetime)] pub(crate) struct ElidedNamedLifetime { #[label(lint_label_elided)] - pub elided: Span, + pub span: Span, pub name: Symbol, #[label(lint_label_named)] pub named_declaration: Option, diff --git a/tests/ui/async-await/issues/issue-63388-1.stderr b/tests/ui/async-await/issues/issue-63388-1.stderr index ef74bfe32375..c8b55977faf3 100644 --- a/tests/ui/async-await/issues/issue-63388-1.stderr +++ b/tests/ui/async-await/issues/issue-63388-1.stderr @@ -8,6 +8,10 @@ LL | ) -> &dyn Foo | ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | ) -> &'a dyn Foo + | ~~~ error[E0621]: explicit lifetime required in the type of `foo` --> $DIR/issue-63388-1.rs:13:5 diff --git a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr index 177ff20fbf9e..8d1c1ea23a81 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr @@ -5,6 +5,10 @@ LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Ta | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Target + | ~~~~ warning: 1 warning emitted diff --git a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr index 5aee282952aa..57da3ce21cec 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr @@ -5,6 +5,10 @@ LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Ta | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Target + | ~~~~ error: `&'static str` is forbidden as the type of a const generic parameter --> $DIR/issue-71348.rs:10:24 diff --git a/tests/ui/consts/min_const_fn/min_const_fn.stderr b/tests/ui/consts/min_const_fn/min_const_fn.stderr index 4b348a182b87..b7db403ad16b 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn.stderr +++ b/tests/ui/consts/min_const_fn/min_const_fn.stderr @@ -8,6 +8,10 @@ LL | const fn get_lt(&'a self) -> &T { &self.0 } | ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | const fn get_lt(&'a self) -> &'a T { &self.0 } + | ~~~ warning: elided lifetime has a name --> $DIR/min_const_fn.rs:48:42 @@ -17,6 +21,11 @@ LL | impl<'a, T> Foo { ... LL | const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 } | ^ this elided lifetime gets resolved as `'a` + | +help: consider specifying it explicitly + | +LL | const fn get_mut_lt(&'a mut self) -> &'a mut T { &mut self.0 } + | ~~~ error[E0493]: destructor of `Foo` cannot be evaluated at compile-time --> $DIR/min_const_fn.rs:37:25 diff --git a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr index d0f8f7689d17..ccea9d5e6e92 100644 --- a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr +++ b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr @@ -17,6 +17,10 @@ LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) { + | ~~ error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` --> $DIR/impl-fn-hrtb-bounds.rs:4:41 diff --git a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr index 50a9f3ebeabb..a60f39868433 100644 --- a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr +++ b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr @@ -5,6 +5,10 @@ LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + 'a) { + | ~~ error[E0792]: expected generic lifetime parameter, found `'_` --> $DIR/impl-fn-predefined-lifetimes.rs:7:9 diff --git a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr index bff3ffd934ac..ec0f0708b156 100644 --- a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr +++ b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr @@ -5,6 +5,10 @@ LL | pub fn iter<'a>(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator { + | ~~~ warning: 1 warning emitted diff --git a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr index f835d2655bb0..a7512158661f 100644 --- a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr +++ b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr @@ -114,6 +114,10 @@ LL | fn m<'a>(_: &'a Foo<'a>) -> &str { "" } | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn m<'a>(_: &'a Foo<'a>) -> &'a str { "" } + | ~~~ error: aborting due to 7 previous errors; 1 warning emitted diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr index 2d5d4fb0e72e..0943e0cc0d9d 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr @@ -7,6 +7,10 @@ LL | fn foo<'a>(&'a self, x: &i32) -> &i32 { | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn foo<'a>(&'a self, x: &i32) -> &'a i32 { + | ~~~ error[E0621]: explicit lifetime required in the type of `x` --> $DIR/ex1-return-one-existing-name-if-else-using-impl-3.rs:9:36 diff --git a/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr index 8c5426a60cb7..5af5123c0323 100644 --- a/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr +++ b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr @@ -9,6 +9,10 @@ note: the lint level is defined here | LL | #![deny(elided_named_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying it explicitly + | +LL | pub fn get_mut(&'static self, x: &mut u8) -> &'static mut u8 { + | ~~~~~~~~ error: aborting due to 1 previous error diff --git a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr index 249ae146b167..6abaad7f5d21 100644 --- a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr +++ b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr @@ -11,6 +11,10 @@ note: the lint level is defined here | LL | #![deny(elided_named_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying it explicitly + | +LL | fn ampersand<'a>(x: &'a u8) -> &'a u8 { + | ~~~ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:10:31 @@ -19,6 +23,11 @@ LL | fn brackets<'a>(x: &'a u8) -> Brackets { | -- ^^^^^^^^ this elided lifetime gets resolved as `'a` | | | lifetime `'a` declared here + | +help: consider specifying it explicitly + | +LL | fn brackets<'a>(x: &'a u8) -> Brackets<'a> { + | ~~~~~~~~~~~~ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:17:33 @@ -27,6 +36,11 @@ LL | fn comma<'a>(x: &'a u8) -> Comma { | -- ^ this elided lifetime gets resolved as `'a` | | | lifetime `'a` declared here + | +help: consider specifying it explicitly + | +LL | fn comma<'a>(x: &'a u8) -> Comma<'a, u8> { + | ~~~~ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:22:34 @@ -35,6 +49,11 @@ LL | fn underscore<'a>(x: &'a u8) -> &'_ u8 { | -- ^^ this elided lifetime gets resolved as `'a` | | | lifetime `'a` declared here + | +help: consider specifying it explicitly + | +LL | fn underscore<'a>(x: &'a u8) -> &'a u8 { + | ~~ error: aborting due to 4 previous errors diff --git a/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr index c465aab1a03d..cbc1b862caab 100644 --- a/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr +++ b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr @@ -9,6 +9,10 @@ note: the lint level is defined here | LL | #[warn(elided_named_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying it explicitly + | +LL | fn bar(x: &'static u8) -> &'static u8 { + | ~~~~~~~~ error: elided lifetime has a name --> $DIR/not-tied-to-crate.rs:11:31 @@ -21,6 +25,10 @@ note: the lint level is defined here | LL | #[deny(elided_named_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying it explicitly + | +LL | fn baz(x: &'static u8) -> &'static u8 { + | ~~~~~~~~ error: aborting due to 1 previous error; 1 warning emitted diff --git a/tests/ui/lint/elided-named-lifetimes/static.stderr b/tests/ui/lint/elided-named-lifetimes/static.stderr index d2e9776cb4f0..6c3944e5ea58 100644 --- a/tests/ui/lint/elided-named-lifetimes/static.stderr +++ b/tests/ui/lint/elided-named-lifetimes/static.stderr @@ -9,24 +9,43 @@ note: the lint level is defined here | LL | #![deny(elided_named_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying it explicitly + | +LL | fn ampersand(x: &'static u8) -> &'static u8 { + | ~~~~~~~~ error: elided lifetime has a name --> $DIR/static.rs:23:32 | LL | fn brackets(x: &'static u8) -> Brackets { | ^^^^^^^^ this elided lifetime gets resolved as `'static` + | +help: consider specifying it explicitly + | +LL | fn brackets(x: &'static u8) -> Brackets<'static> { + | ~~~~~~~~~~~~~~~~~ error: elided lifetime has a name --> $DIR/static.rs:30:34 | LL | fn comma(x: &'static u8) -> Comma { | ^ this elided lifetime gets resolved as `'static` + | +help: consider specifying it explicitly + | +LL | fn comma(x: &'static u8) -> Comma<'static, u8> { + | ~~~~~~~~~ error: elided lifetime has a name --> $DIR/static.rs:35:35 | LL | fn underscore(x: &'static u8) -> &'_ u8 { | ^^ this elided lifetime gets resolved as `'static` + | +help: consider specifying it explicitly + | +LL | fn underscore(x: &'static u8) -> &'static u8 { + | ~~~~~~~ error: aborting due to 4 previous errors diff --git a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr index b44a184c6848..7d239a54eda4 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr +++ b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr @@ -7,6 +7,10 @@ LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &dyn SomeTrait { | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &'a dyn SomeTrait { + | ~~~ error: lifetime may not live long enough --> $DIR/object-lifetime-default-elision.rs:73:5 diff --git a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr index 4465dbae5298..460d2ce2cc90 100644 --- a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr +++ b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr @@ -5,12 +5,21 @@ LL | fn a<'a>(self: Self, a: &'a str) -> &str { | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn a<'a>(self: Self, a: &'a str) -> &'a str { + | ~~~ warning: elided lifetime has a name --> $DIR/ignore-non-reference-lifetimes.rs:10:44 | LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &str { | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | +help: consider specifying it explicitly + | +LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &'a str { + | ~~~ warning: 2 warnings emitted diff --git a/tests/ui/self/self_lifetime-async.stderr b/tests/ui/self/self_lifetime-async.stderr index 32de3fd18c97..fd167cf392fb 100644 --- a/tests/ui/self/self_lifetime-async.stderr +++ b/tests/ui/self/self_lifetime-async.stderr @@ -7,12 +7,21 @@ LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } | lifetime `'b` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | async fn foo<'b>(self: &'b Foo<'a>) -> &'b () { self.0 } + | ~~~ warning: elided lifetime has a name --> $DIR/self_lifetime-async.rs:12:52 | LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | +help: consider specifying it explicitly + | +LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &'a () { arg } + | ~~~ warning: 2 warnings emitted diff --git a/tests/ui/self/self_lifetime.stderr b/tests/ui/self/self_lifetime.stderr index cd8f4d8adf8b..52189084f04c 100644 --- a/tests/ui/self/self_lifetime.stderr +++ b/tests/ui/self/self_lifetime.stderr @@ -7,12 +7,21 @@ LL | fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } | lifetime `'b` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn foo<'b>(self: &'b Foo<'a>) -> &'b () { self.0 } + | ~~~ warning: elided lifetime has a name --> $DIR/self_lifetime.rs:13:46 | LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | +help: consider specifying it explicitly + | +LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &'a () { arg } + | ~~~ warning: 2 warnings emitted diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr index 30f4509d49de..92f774767c86 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr @@ -131,6 +131,10 @@ LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &'a T) { + | ~~~ error[E0658]: anonymous lifetimes in `impl Trait` are unstable --> $DIR/impl-trait-missing-lifetime-gated.rs:6:35 diff --git a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr index ea01dcd5020c..baa5fa949ec4 100644 --- a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr +++ b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr @@ -13,6 +13,10 @@ LL | fn ok2<'a, G: 'a, T>(g: G, dest: &'a mut T) -> impl FnOnce() + '_ + 'a | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn ok2<'a, G: 'a, T>(g: G, dest: &'a mut T) -> impl FnOnce() + 'a + 'a + | ~~ error[E0700]: hidden type for `impl FnOnce()` captures lifetime that does not appear in bounds --> $DIR/missing-lifetimes-in-signature.rs:19:5 diff --git a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr index e2c21f1636b0..73a362d28e7d 100644 --- a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr +++ b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr @@ -7,6 +7,10 @@ LL | fn defining<'a, T>(x: &'a i32) -> Opaque { x } | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default +help: consider specifying it explicitly + | +LL | fn defining<'a, T>(x: &'a i32) -> Opaque<'a, T> { x } + | ~~~~ error[E0700]: hidden type for `Opaque2` captures lifetime that does not appear in bounds --> $DIR/missing_lifetime_bound.rs:5:47 From 547db4a4b7c9bfea52b519d0095510126a0a1cb0 Mon Sep 17 00:00:00 2001 From: Pavel Grigorenko Date: Sun, 1 Sep 2024 04:08:55 +0300 Subject: [PATCH 069/149] elided_named_lifetimes: manually implement `LintDiagnostic` --- compiler/rustc_lint/messages.ftl | 3 +- .../rustc_lint/src/context/diagnostics.rs | 32 +++---------- compiler/rustc_lint/src/lints.rs | 47 ++++++++++++++++--- .../async-await/issues/issue-63388-1.stderr | 2 +- .../type-dependent/issue-71348.full.stderr | 2 +- .../type-dependent/issue-71348.min.stderr | 2 +- .../consts/min_const_fn/min_const_fn.stderr | 4 +- .../rpit-assoc-pair-with-lifetime.stderr | 2 +- ...urn-type-requires-explicit-lifetime.stderr | 2 +- ...-existing-name-if-else-using-impl-3.stderr | 2 +- .../example-from-issue48686.stderr | 2 +- .../missing-lifetime-kind.stderr | 6 +-- .../not-tied-to-crate.stderr | 4 +- .../lint/elided-named-lifetimes/static.stderr | 6 +-- .../object-lifetime-default-elision.stderr | 2 +- .../ignore-non-reference-lifetimes.stderr | 4 +- tests/ui/self/self_lifetime-async.stderr | 4 +- tests/ui/self/self_lifetime.stderr | 4 +- .../impl-trait-missing-lifetime-gated.stderr | 2 +- .../missing_lifetime_bound.stderr | 2 +- 20 files changed, 75 insertions(+), 59 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index fe211355ac38..5a368f4ed9a5 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -255,8 +255,7 @@ lint_duplicate_matcher_binding = duplicate matcher binding lint_elided_named_lifetime = elided lifetime has a name .label_elided = this elided lifetime gets resolved as `{$name}` .label_named = lifetime `{$name}` declared here - -lint_elided_named_lifetime_suggestion = consider specifying it explicitly + .suggestion = consider specifying it explicitly lint_enum_intrinsics_mem_discriminant = the return value of `mem::discriminant` is unspecified when called with a non-enum type diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index a1a371a032e9..de34b9bebe9f 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -7,7 +7,6 @@ use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; use rustc_errors::{ elided_lifetime_in_path_suggestion, Applicability, Diag, DiagArgValue, LintDiagnostic, }; -use rustc_hir::MissingLifetimeKind; use rustc_middle::middle::stability; use rustc_session::lint::{BuiltinLintDiag, ElidedLifetimeResolution}; use rustc_session::Session; @@ -15,7 +14,6 @@ use rustc_span::symbol::kw; use rustc_span::BytePos; use tracing::debug; -use crate::fluent_generated; use crate::lints::{self, ElidedNamedLifetime}; mod check_cfg; @@ -445,31 +443,15 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & lints::UnexpectedBuiltinCfg { cfg, cfg_name, controlled_by }.decorate_lint(diag) } BuiltinLintDiag::ElidedNamedLifetimes { elided: (span, kind), resolution } => { - let (name, named_declaration) = match resolution { - ElidedLifetimeResolution::Static => (kw::StaticLifetime, None), - ElidedLifetimeResolution::Param(name, declaration) => (name, Some(declaration)), - }; - ElidedNamedLifetime { span, name, named_declaration }.decorate_lint(diag); - - let (applicability, suggestion) = match kind { - MissingLifetimeKind::Underscore => { - (Applicability::MachineApplicable, format!("{name}")) + match resolution { + ElidedLifetimeResolution::Static => { + ElidedNamedLifetime { span, kind, name: kw::StaticLifetime, declaration: None } } - MissingLifetimeKind::Ampersand => { - (Applicability::MachineApplicable, format!("&{name} ")) + ElidedLifetimeResolution::Param(name, declaration) => { + ElidedNamedLifetime { span, kind, name, declaration: Some(declaration) } } - MissingLifetimeKind::Comma => (Applicability::Unspecified, format!("<{name}, ")), - MissingLifetimeKind::Brackets => ( - Applicability::Unspecified, - format!("{}<{name}>", sess.source_map().span_to_snippet(span).unwrap()), - ), - }; - diag.span_suggestion_verbose( - span, - fluent_generated::lint_elided_named_lifetime_suggestion, - suggestion, - applicability, - ); + } + .decorate_lint(diag) } } } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 426d671f8e0a..693f1b225874 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -9,7 +9,7 @@ use rustc_errors::{ }; use rustc_hir::def::Namespace; use rustc_hir::def_id::DefId; -use rustc_hir::{self as hir}; +use rustc_hir::{self as hir, MissingLifetimeKind}; use rustc_macros::{LintDiagnostic, Subdiagnostic}; use rustc_middle::ty::inhabitedness::InhabitedPredicate; use rustc_middle::ty::{Clause, PolyExistentialTraitRef, Ty, TyCtxt}; @@ -2623,14 +2623,49 @@ pub(crate) struct ElidedLifetimesInPaths { pub subdiag: ElidedLifetimeInPathSubdiag, } -#[derive(LintDiagnostic)] -#[diag(lint_elided_named_lifetime)] pub(crate) struct ElidedNamedLifetime { - #[label(lint_label_elided)] pub span: Span, + pub kind: MissingLifetimeKind, pub name: Symbol, - #[label(lint_label_named)] - pub named_declaration: Option, + pub declaration: Option, +} + +impl LintDiagnostic<'_, G> for ElidedNamedLifetime { + fn decorate_lint(self, diag: &mut rustc_errors::Diag<'_, G>) { + let Self { span, kind, name, declaration } = self; + diag.primary_message(fluent::lint_elided_named_lifetime); + diag.arg("name", name); + diag.span_label(span, fluent::lint_label_elided); + if let Some(declaration) = declaration { + diag.span_label(declaration, fluent::lint_label_named); + } + match kind { + MissingLifetimeKind::Underscore => diag.span_suggestion_verbose( + span, + fluent::lint_suggestion, + format!("{name}"), + Applicability::MachineApplicable, + ), + MissingLifetimeKind::Ampersand => diag.span_suggestion_verbose( + span.shrink_to_hi(), + fluent::lint_suggestion, + format!("{name} "), + Applicability::MachineApplicable, + ), + MissingLifetimeKind::Comma => diag.span_suggestion_verbose( + span.shrink_to_hi(), + fluent::lint_suggestion, + format!("{name}, "), + Applicability::MachineApplicable, + ), + MissingLifetimeKind::Brackets => diag.span_suggestion_verbose( + span.shrink_to_hi(), + fluent::lint_suggestion, + format!("<{name}>"), + Applicability::MachineApplicable, + ), + }; + } } #[derive(LintDiagnostic)] diff --git a/tests/ui/async-await/issues/issue-63388-1.stderr b/tests/ui/async-await/issues/issue-63388-1.stderr index c8b55977faf3..713e4e4dcf5c 100644 --- a/tests/ui/async-await/issues/issue-63388-1.stderr +++ b/tests/ui/async-await/issues/issue-63388-1.stderr @@ -11,7 +11,7 @@ LL | ) -> &dyn Foo help: consider specifying it explicitly | LL | ) -> &'a dyn Foo - | ~~~ + | ++ error[E0621]: explicit lifetime required in the type of `foo` --> $DIR/issue-63388-1.rs:13:5 diff --git a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr index 8d1c1ea23a81..394259ce55dd 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr @@ -8,7 +8,7 @@ LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Ta help: consider specifying it explicitly | LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Target - | ~~~~ + | +++ warning: 1 warning emitted diff --git a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr index 57da3ce21cec..0f0d75dbac13 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr @@ -8,7 +8,7 @@ LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Ta help: consider specifying it explicitly | LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Target - | ~~~~ + | +++ error: `&'static str` is forbidden as the type of a const generic parameter --> $DIR/issue-71348.rs:10:24 diff --git a/tests/ui/consts/min_const_fn/min_const_fn.stderr b/tests/ui/consts/min_const_fn/min_const_fn.stderr index b7db403ad16b..1e88a908af08 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn.stderr +++ b/tests/ui/consts/min_const_fn/min_const_fn.stderr @@ -11,7 +11,7 @@ LL | const fn get_lt(&'a self) -> &T { &self.0 } help: consider specifying it explicitly | LL | const fn get_lt(&'a self) -> &'a T { &self.0 } - | ~~~ + | ++ warning: elided lifetime has a name --> $DIR/min_const_fn.rs:48:42 @@ -25,7 +25,7 @@ LL | const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 } help: consider specifying it explicitly | LL | const fn get_mut_lt(&'a mut self) -> &'a mut T { &mut self.0 } - | ~~~ + | ++ error[E0493]: destructor of `Foo` cannot be evaluated at compile-time --> $DIR/min_const_fn.rs:37:25 diff --git a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr index ec0f0708b156..6eea25b4fc8f 100644 --- a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr +++ b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr @@ -8,7 +8,7 @@ LL | pub fn iter<'a>(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator { - | ~~~ + | ++ warning: 1 warning emitted diff --git a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr index a7512158661f..1339c644f533 100644 --- a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr +++ b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr @@ -117,7 +117,7 @@ LL | fn m<'a>(_: &'a Foo<'a>) -> &str { "" } help: consider specifying it explicitly | LL | fn m<'a>(_: &'a Foo<'a>) -> &'a str { "" } - | ~~~ + | ++ error: aborting due to 7 previous errors; 1 warning emitted diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr index 0943e0cc0d9d..144f9454513c 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr @@ -10,7 +10,7 @@ LL | fn foo<'a>(&'a self, x: &i32) -> &i32 { help: consider specifying it explicitly | LL | fn foo<'a>(&'a self, x: &i32) -> &'a i32 { - | ~~~ + | ++ error[E0621]: explicit lifetime required in the type of `x` --> $DIR/ex1-return-one-existing-name-if-else-using-impl-3.rs:9:36 diff --git a/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr index 5af5123c0323..2d8c6e996439 100644 --- a/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr +++ b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr @@ -12,7 +12,7 @@ LL | #![deny(elided_named_lifetimes)] help: consider specifying it explicitly | LL | pub fn get_mut(&'static self, x: &mut u8) -> &'static mut u8 { - | ~~~~~~~~ + | +++++++ error: aborting due to 1 previous error diff --git a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr index 6abaad7f5d21..834292d103dc 100644 --- a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr +++ b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr @@ -14,7 +14,7 @@ LL | #![deny(elided_named_lifetimes)] help: consider specifying it explicitly | LL | fn ampersand<'a>(x: &'a u8) -> &'a u8 { - | ~~~ + | ++ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:10:31 @@ -27,7 +27,7 @@ LL | fn brackets<'a>(x: &'a u8) -> Brackets { help: consider specifying it explicitly | LL | fn brackets<'a>(x: &'a u8) -> Brackets<'a> { - | ~~~~~~~~~~~~ + | ++++ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:17:33 @@ -40,7 +40,7 @@ LL | fn comma<'a>(x: &'a u8) -> Comma { help: consider specifying it explicitly | LL | fn comma<'a>(x: &'a u8) -> Comma<'a, u8> { - | ~~~~ + | +++ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:22:34 diff --git a/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr index cbc1b862caab..3c01375d5019 100644 --- a/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr +++ b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr @@ -12,7 +12,7 @@ LL | #[warn(elided_named_lifetimes)] help: consider specifying it explicitly | LL | fn bar(x: &'static u8) -> &'static u8 { - | ~~~~~~~~ + | +++++++ error: elided lifetime has a name --> $DIR/not-tied-to-crate.rs:11:31 @@ -28,7 +28,7 @@ LL | #[deny(elided_named_lifetimes)] help: consider specifying it explicitly | LL | fn baz(x: &'static u8) -> &'static u8 { - | ~~~~~~~~ + | +++++++ error: aborting due to 1 previous error; 1 warning emitted diff --git a/tests/ui/lint/elided-named-lifetimes/static.stderr b/tests/ui/lint/elided-named-lifetimes/static.stderr index 6c3944e5ea58..fa2a2d3460fe 100644 --- a/tests/ui/lint/elided-named-lifetimes/static.stderr +++ b/tests/ui/lint/elided-named-lifetimes/static.stderr @@ -12,7 +12,7 @@ LL | #![deny(elided_named_lifetimes)] help: consider specifying it explicitly | LL | fn ampersand(x: &'static u8) -> &'static u8 { - | ~~~~~~~~ + | +++++++ error: elided lifetime has a name --> $DIR/static.rs:23:32 @@ -23,7 +23,7 @@ LL | fn brackets(x: &'static u8) -> Brackets { help: consider specifying it explicitly | LL | fn brackets(x: &'static u8) -> Brackets<'static> { - | ~~~~~~~~~~~~~~~~~ + | +++++++++ error: elided lifetime has a name --> $DIR/static.rs:30:34 @@ -34,7 +34,7 @@ LL | fn comma(x: &'static u8) -> Comma { help: consider specifying it explicitly | LL | fn comma(x: &'static u8) -> Comma<'static, u8> { - | ~~~~~~~~~ + | ++++++++ error: elided lifetime has a name --> $DIR/static.rs:35:35 diff --git a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr index 7d239a54eda4..f8ed92111a96 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr +++ b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr @@ -10,7 +10,7 @@ LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &dyn SomeTrait { help: consider specifying it explicitly | LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &'a dyn SomeTrait { - | ~~~ + | ++ error: lifetime may not live long enough --> $DIR/object-lifetime-default-elision.rs:73:5 diff --git a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr index 460d2ce2cc90..13cc3a431a5d 100644 --- a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr +++ b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr @@ -8,7 +8,7 @@ LL | fn a<'a>(self: Self, a: &'a str) -> &str { help: consider specifying it explicitly | LL | fn a<'a>(self: Self, a: &'a str) -> &'a str { - | ~~~ + | ++ warning: elided lifetime has a name --> $DIR/ignore-non-reference-lifetimes.rs:10:44 @@ -19,7 +19,7 @@ LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &str { help: consider specifying it explicitly | LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &'a str { - | ~~~ + | ++ warning: 2 warnings emitted diff --git a/tests/ui/self/self_lifetime-async.stderr b/tests/ui/self/self_lifetime-async.stderr index fd167cf392fb..2892d790ac7b 100644 --- a/tests/ui/self/self_lifetime-async.stderr +++ b/tests/ui/self/self_lifetime-async.stderr @@ -10,7 +10,7 @@ LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } help: consider specifying it explicitly | LL | async fn foo<'b>(self: &'b Foo<'a>) -> &'b () { self.0 } - | ~~~ + | ++ warning: elided lifetime has a name --> $DIR/self_lifetime-async.rs:12:52 @@ -21,7 +21,7 @@ LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } help: consider specifying it explicitly | LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &'a () { arg } - | ~~~ + | ++ warning: 2 warnings emitted diff --git a/tests/ui/self/self_lifetime.stderr b/tests/ui/self/self_lifetime.stderr index 52189084f04c..ceb0ce345a3e 100644 --- a/tests/ui/self/self_lifetime.stderr +++ b/tests/ui/self/self_lifetime.stderr @@ -10,7 +10,7 @@ LL | fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } help: consider specifying it explicitly | LL | fn foo<'b>(self: &'b Foo<'a>) -> &'b () { self.0 } - | ~~~ + | ++ warning: elided lifetime has a name --> $DIR/self_lifetime.rs:13:46 @@ -21,7 +21,7 @@ LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } help: consider specifying it explicitly | LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &'a () { arg } - | ~~~ + | ++ warning: 2 warnings emitted diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr index 92f774767c86..3744dd9f996c 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr @@ -134,7 +134,7 @@ LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { help: consider specifying it explicitly | LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &'a T) { - | ~~~ + | ++ error[E0658]: anonymous lifetimes in `impl Trait` are unstable --> $DIR/impl-trait-missing-lifetime-gated.rs:6:35 diff --git a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr index 73a362d28e7d..376e58ef9e07 100644 --- a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr +++ b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr @@ -10,7 +10,7 @@ LL | fn defining<'a, T>(x: &'a i32) -> Opaque { x } help: consider specifying it explicitly | LL | fn defining<'a, T>(x: &'a i32) -> Opaque<'a, T> { x } - | ~~~~ + | +++ error[E0700]: hidden type for `Opaque2` captures lifetime that does not appear in bounds --> $DIR/missing_lifetime_bound.rs:5:47 From 9e2d264fa251f98780084382a071e10a123770d6 Mon Sep 17 00:00:00 2001 From: Pavel Grigorenko Date: Sun, 1 Sep 2024 16:49:55 +0300 Subject: [PATCH 070/149] Hack around a conflict with `clippy::needless_lifetimes` --- compiler/rustc_lint/src/lints.rs | 7 +++++++ .../async-await/issues/issue-63388-1.stderr | 4 ---- .../type-dependent/issue-71348.full.stderr | 4 ---- .../type-dependent/issue-71348.min.stderr | 4 ---- .../consts/min_const_fn/min_const_fn.stderr | 9 --------- .../ui/impl-trait/impl-fn-hrtb-bounds.stderr | 4 ---- .../impl-fn-predefined-lifetimes.stderr | 4 ---- .../rpit-assoc-pair-with-lifetime.stderr | 4 ---- ...urn-type-requires-explicit-lifetime.stderr | 4 ---- ...-existing-name-if-else-using-impl-3.stderr | 4 ---- .../missing-lifetime-kind.stderr | 19 ------------------- .../object-lifetime-default-elision.stderr | 4 ---- .../ignore-non-reference-lifetimes.stderr | 9 --------- tests/ui/self/self_lifetime-async.stderr | 9 --------- tests/ui/self/self_lifetime.stderr | 9 --------- .../impl-trait-missing-lifetime-gated.stderr | 4 ---- .../missing-lifetimes-in-signature.stderr | 4 ---- .../missing_lifetime_bound.stderr | 4 ---- 18 files changed, 7 insertions(+), 103 deletions(-) diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 693f1b225874..ae7e96598563 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2639,6 +2639,13 @@ impl LintDiagnostic<'_, G> for ElidedNamedLifetime { if let Some(declaration) = declaration { diag.span_label(declaration, fluent::lint_label_named); } + // FIXME(GrigorenkoPV): this `if` and `return` should be removed, + // but currently this lint's suggestions can conflict with those of `clippy::needless_lifetimes`: + // https://github.com/rust-lang/rust/pull/129840#issuecomment-2323349119 + // HACK: `'static` suggestions will never sonflict, emit only those for now. + if name != rustc_span::symbol::kw::StaticLifetime { + return; + } match kind { MissingLifetimeKind::Underscore => diag.span_suggestion_verbose( span, diff --git a/tests/ui/async-await/issues/issue-63388-1.stderr b/tests/ui/async-await/issues/issue-63388-1.stderr index 713e4e4dcf5c..ef74bfe32375 100644 --- a/tests/ui/async-await/issues/issue-63388-1.stderr +++ b/tests/ui/async-await/issues/issue-63388-1.stderr @@ -8,10 +8,6 @@ LL | ) -> &dyn Foo | ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | ) -> &'a dyn Foo - | ++ error[E0621]: explicit lifetime required in the type of `foo` --> $DIR/issue-63388-1.rs:13:5 diff --git a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr index 394259ce55dd..177ff20fbf9e 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr @@ -5,10 +5,6 @@ LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Ta | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Target - | +++ warning: 1 warning emitted diff --git a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr index 0f0d75dbac13..5aee282952aa 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr @@ -5,10 +5,6 @@ LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Ta | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a >::Target - | +++ error: `&'static str` is forbidden as the type of a const generic parameter --> $DIR/issue-71348.rs:10:24 diff --git a/tests/ui/consts/min_const_fn/min_const_fn.stderr b/tests/ui/consts/min_const_fn/min_const_fn.stderr index 1e88a908af08..4b348a182b87 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn.stderr +++ b/tests/ui/consts/min_const_fn/min_const_fn.stderr @@ -8,10 +8,6 @@ LL | const fn get_lt(&'a self) -> &T { &self.0 } | ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | const fn get_lt(&'a self) -> &'a T { &self.0 } - | ++ warning: elided lifetime has a name --> $DIR/min_const_fn.rs:48:42 @@ -21,11 +17,6 @@ LL | impl<'a, T> Foo { ... LL | const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 } | ^ this elided lifetime gets resolved as `'a` - | -help: consider specifying it explicitly - | -LL | const fn get_mut_lt(&'a mut self) -> &'a mut T { &mut self.0 } - | ++ error[E0493]: destructor of `Foo` cannot be evaluated at compile-time --> $DIR/min_const_fn.rs:37:25 diff --git a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr index ccea9d5e6e92..d0f8f7689d17 100644 --- a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr +++ b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr @@ -17,10 +17,6 @@ LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) { - | ~~ error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` --> $DIR/impl-fn-hrtb-bounds.rs:4:41 diff --git a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr index a60f39868433..50a9f3ebeabb 100644 --- a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr +++ b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr @@ -5,10 +5,6 @@ LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + 'a) { - | ~~ error[E0792]: expected generic lifetime parameter, found `'_` --> $DIR/impl-fn-predefined-lifetimes.rs:7:9 diff --git a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr index 6eea25b4fc8f..bff3ffd934ac 100644 --- a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr +++ b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr @@ -5,10 +5,6 @@ LL | pub fn iter<'a>(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator { - | ++ warning: 1 warning emitted diff --git a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr index 1339c644f533..f835d2655bb0 100644 --- a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr +++ b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr @@ -114,10 +114,6 @@ LL | fn m<'a>(_: &'a Foo<'a>) -> &str { "" } | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn m<'a>(_: &'a Foo<'a>) -> &'a str { "" } - | ++ error: aborting due to 7 previous errors; 1 warning emitted diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr index 144f9454513c..2d5d4fb0e72e 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr @@ -7,10 +7,6 @@ LL | fn foo<'a>(&'a self, x: &i32) -> &i32 { | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn foo<'a>(&'a self, x: &i32) -> &'a i32 { - | ++ error[E0621]: explicit lifetime required in the type of `x` --> $DIR/ex1-return-one-existing-name-if-else-using-impl-3.rs:9:36 diff --git a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr index 834292d103dc..249ae146b167 100644 --- a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr +++ b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr @@ -11,10 +11,6 @@ note: the lint level is defined here | LL | #![deny(elided_named_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^ -help: consider specifying it explicitly - | -LL | fn ampersand<'a>(x: &'a u8) -> &'a u8 { - | ++ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:10:31 @@ -23,11 +19,6 @@ LL | fn brackets<'a>(x: &'a u8) -> Brackets { | -- ^^^^^^^^ this elided lifetime gets resolved as `'a` | | | lifetime `'a` declared here - | -help: consider specifying it explicitly - | -LL | fn brackets<'a>(x: &'a u8) -> Brackets<'a> { - | ++++ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:17:33 @@ -36,11 +27,6 @@ LL | fn comma<'a>(x: &'a u8) -> Comma { | -- ^ this elided lifetime gets resolved as `'a` | | | lifetime `'a` declared here - | -help: consider specifying it explicitly - | -LL | fn comma<'a>(x: &'a u8) -> Comma<'a, u8> { - | +++ error: elided lifetime has a name --> $DIR/missing-lifetime-kind.rs:22:34 @@ -49,11 +35,6 @@ LL | fn underscore<'a>(x: &'a u8) -> &'_ u8 { | -- ^^ this elided lifetime gets resolved as `'a` | | | lifetime `'a` declared here - | -help: consider specifying it explicitly - | -LL | fn underscore<'a>(x: &'a u8) -> &'a u8 { - | ~~ error: aborting due to 4 previous errors diff --git a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr index f8ed92111a96..b44a184c6848 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr +++ b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr @@ -7,10 +7,6 @@ LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &dyn SomeTrait { | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &'a dyn SomeTrait { - | ++ error: lifetime may not live long enough --> $DIR/object-lifetime-default-elision.rs:73:5 diff --git a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr index 13cc3a431a5d..4465dbae5298 100644 --- a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr +++ b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr @@ -5,21 +5,12 @@ LL | fn a<'a>(self: Self, a: &'a str) -> &str { | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn a<'a>(self: Self, a: &'a str) -> &'a str { - | ++ warning: elided lifetime has a name --> $DIR/ignore-non-reference-lifetimes.rs:10:44 | LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &str { | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` - | -help: consider specifying it explicitly - | -LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &'a str { - | ++ warning: 2 warnings emitted diff --git a/tests/ui/self/self_lifetime-async.stderr b/tests/ui/self/self_lifetime-async.stderr index 2892d790ac7b..32de3fd18c97 100644 --- a/tests/ui/self/self_lifetime-async.stderr +++ b/tests/ui/self/self_lifetime-async.stderr @@ -7,21 +7,12 @@ LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } | lifetime `'b` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | async fn foo<'b>(self: &'b Foo<'a>) -> &'b () { self.0 } - | ++ warning: elided lifetime has a name --> $DIR/self_lifetime-async.rs:12:52 | LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` - | -help: consider specifying it explicitly - | -LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &'a () { arg } - | ++ warning: 2 warnings emitted diff --git a/tests/ui/self/self_lifetime.stderr b/tests/ui/self/self_lifetime.stderr index ceb0ce345a3e..cd8f4d8adf8b 100644 --- a/tests/ui/self/self_lifetime.stderr +++ b/tests/ui/self/self_lifetime.stderr @@ -7,21 +7,12 @@ LL | fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } | lifetime `'b` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn foo<'b>(self: &'b Foo<'a>) -> &'b () { self.0 } - | ++ warning: elided lifetime has a name --> $DIR/self_lifetime.rs:13:46 | LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` - | -help: consider specifying it explicitly - | -LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &'a () { arg } - | ++ warning: 2 warnings emitted diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr index 3744dd9f996c..30f4509d49de 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr @@ -131,10 +131,6 @@ LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &'a T) { - | ++ error[E0658]: anonymous lifetimes in `impl Trait` are unstable --> $DIR/impl-trait-missing-lifetime-gated.rs:6:35 diff --git a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr index baa5fa949ec4..ea01dcd5020c 100644 --- a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr +++ b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr @@ -13,10 +13,6 @@ LL | fn ok2<'a, G: 'a, T>(g: G, dest: &'a mut T) -> impl FnOnce() + '_ + 'a | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn ok2<'a, G: 'a, T>(g: G, dest: &'a mut T) -> impl FnOnce() + 'a + 'a - | ~~ error[E0700]: hidden type for `impl FnOnce()` captures lifetime that does not appear in bounds --> $DIR/missing-lifetimes-in-signature.rs:19:5 diff --git a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr index 376e58ef9e07..e2c21f1636b0 100644 --- a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr +++ b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr @@ -7,10 +7,6 @@ LL | fn defining<'a, T>(x: &'a i32) -> Opaque { x } | lifetime `'a` declared here | = note: `#[warn(elided_named_lifetimes)]` on by default -help: consider specifying it explicitly - | -LL | fn defining<'a, T>(x: &'a i32) -> Opaque<'a, T> { x } - | +++ error[E0700]: hidden type for `Opaque2` captures lifetime that does not appear in bounds --> $DIR/missing_lifetime_bound.rs:5:47 From 9aaf873396186ea0c980cbea7d3449a355ccfeea Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 26 Aug 2024 11:11:13 -0400 Subject: [PATCH 071/149] Reserve prefix lifetimes too --- compiler/rustc_lexer/src/lib.rs | 26 ++++++++++++++++--------- compiler/rustc_parse/src/lexer/mod.rs | 10 ++++++++++ tests/ui/lexer/prefixed-lifetime.rs | 10 ++++++++++ tests/ui/lexer/prefixed-lifetime.stderr | 14 +++++++++++++ 4 files changed, 51 insertions(+), 9 deletions(-) create mode 100644 tests/ui/lexer/prefixed-lifetime.rs create mode 100644 tests/ui/lexer/prefixed-lifetime.stderr diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index 31fdd2d7cec7..be3e151ea61f 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -91,6 +91,12 @@ pub enum TokenKind { /// tokens. UnknownPrefix, + /// An unknown prefix in a lifetime, like `'foo#`. + /// + /// Note that like above, only the `'` and prefix are included in the token + /// and not the separator. + UnknownPrefixLifetime, + /// Similar to the above, but *always* an error on every edition. This is used /// for emoji identifier recovery, as those are not meant to be ever accepted. InvalidPrefix, @@ -688,15 +694,17 @@ impl Cursor<'_> { self.bump(); self.eat_while(is_id_continue); - // Check if after skipping literal contents we've met a closing - // single quote (which means that user attempted to create a - // string with single quotes). - if self.first() == '\'' { - self.bump(); - let kind = Char { terminated: true }; - Literal { kind, suffix_start: self.pos_within_token() } - } else { - Lifetime { starts_with_number } + match self.first() { + // Check if after skipping literal contents we've met a closing + // single quote (which means that user attempted to create a + // string with single quotes). + '\'' => { + self.bump(); + let kind = Char { terminated: true }; + Literal { kind, suffix_start: self.pos_within_token() } + } + '#' if !starts_with_number => UnknownPrefixLifetime, + _ => Lifetime { starts_with_number }, } } diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index f30939093c2e..5d2d5a6010f6 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -205,6 +205,16 @@ impl<'psess, 'src> StringReader<'psess, 'src> { self.report_unknown_prefix(start); self.ident(start) } + rustc_lexer::TokenKind::UnknownPrefixLifetime => { + self.report_unknown_prefix(start); + // Include the leading `'` in the real identifier, for macro + // expansion purposes. See #12512 for the gory details of why + // this is necessary. + let lifetime_name = self.str_from(start); + self.last_lifetime = Some(self.mk_sp(start, start + BytePos(1))); + let ident = Symbol::intern(lifetime_name); + token::Lifetime(ident, IdentIsRaw::No) + } rustc_lexer::TokenKind::InvalidIdent | rustc_lexer::TokenKind::InvalidPrefix // Do not recover an identifier with emoji if the codepoint is a confusable diff --git a/tests/ui/lexer/prefixed-lifetime.rs b/tests/ui/lexer/prefixed-lifetime.rs new file mode 100644 index 000000000000..6191b97d5769 --- /dev/null +++ b/tests/ui/lexer/prefixed-lifetime.rs @@ -0,0 +1,10 @@ +//@ edition: 2021 + +macro_rules! w { + ($($tt:tt)*) => {}; +} + +w!('foo#lifetime); +//~^ ERROR prefix `'foo` is unknown + +fn main() {} diff --git a/tests/ui/lexer/prefixed-lifetime.stderr b/tests/ui/lexer/prefixed-lifetime.stderr new file mode 100644 index 000000000000..39e8b5a2a570 --- /dev/null +++ b/tests/ui/lexer/prefixed-lifetime.stderr @@ -0,0 +1,14 @@ +error: prefix `'foo` is unknown + --> $DIR/prefixed-lifetime.rs:7:4 + | +LL | w!('foo#lifetime); + | ^^^^ unknown prefix + | + = note: prefixed identifiers and literals are reserved since Rust 2021 +help: consider inserting whitespace here + | +LL | w!('foo #lifetime); + | + + +error: aborting due to 1 previous error + From 3b3e43a386a9b89609fe529921bdd49ba3511fb8 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 26 Aug 2024 11:26:36 -0400 Subject: [PATCH 072/149] Format lexer --- compiler/rustc_lexer/src/lib.rs | 2 +- compiler/rustc_parse/src/lexer/mod.rs | 41 ++++++++++++++------------- 2 files changed, 23 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index be3e151ea61f..6561e416cfa4 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -92,7 +92,7 @@ pub enum TokenKind { UnknownPrefix, /// An unknown prefix in a lifetime, like `'foo#`. - /// + /// /// Note that like above, only the `'` and prefix are included in the token /// and not the separator. UnknownPrefixLifetime, diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index 5d2d5a6010f6..c0731cf31c33 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -188,9 +188,7 @@ impl<'psess, 'src> StringReader<'psess, 'src> { preceded_by_whitespace = true; continue; } - rustc_lexer::TokenKind::Ident => { - self.ident(start) - } + rustc_lexer::TokenKind::Ident => self.ident(start), rustc_lexer::TokenKind::RawIdent => { let sym = nfc_normalize(self.str_from(start + BytePos(2))); let span = self.mk_sp(start, self.pos); @@ -215,20 +213,21 @@ impl<'psess, 'src> StringReader<'psess, 'src> { let ident = Symbol::intern(lifetime_name); token::Lifetime(ident, IdentIsRaw::No) } - rustc_lexer::TokenKind::InvalidIdent - | rustc_lexer::TokenKind::InvalidPrefix + rustc_lexer::TokenKind::InvalidIdent | rustc_lexer::TokenKind::InvalidPrefix // Do not recover an identifier with emoji if the codepoint is a confusable // with a recoverable substitution token, like `➖`. - if !UNICODE_ARRAY - .iter() - .any(|&(c, _, _)| { - let sym = self.str_from(start); - sym.chars().count() == 1 && c == sym.chars().next().unwrap() - }) => + if !UNICODE_ARRAY.iter().any(|&(c, _, _)| { + let sym = self.str_from(start); + sym.chars().count() == 1 && c == sym.chars().next().unwrap() + }) => { let sym = nfc_normalize(self.str_from(start)); let span = self.mk_sp(start, self.pos); - self.psess.bad_unicode_identifiers.borrow_mut().entry(sym).or_default() + self.psess + .bad_unicode_identifiers + .borrow_mut() + .entry(sym) + .or_default() .push(span); token::Ident(sym, IdentIsRaw::No) } @@ -259,9 +258,9 @@ impl<'psess, 'src> StringReader<'psess, 'src> { let suffix = if suffix_start < self.pos { let string = self.str_from(suffix_start); if string == "_" { - self - .dcx() - .emit_err(errors::UnderscoreLiteralSuffix { span: self.mk_sp(suffix_start, self.pos) }); + self.dcx().emit_err(errors::UnderscoreLiteralSuffix { + span: self.mk_sp(suffix_start, self.pos), + }); None } else { Some(Symbol::intern(string)) @@ -279,7 +278,8 @@ impl<'psess, 'src> StringReader<'psess, 'src> { self.last_lifetime = Some(self.mk_sp(start, start + BytePos(1))); if starts_with_number { let span = self.mk_sp(start, self.pos); - self.dcx().struct_err("lifetimes cannot start with a number") + self.dcx() + .struct_err("lifetimes cannot start with a number") .with_span(span) .stash(span, StashKey::LifetimeIsChar); } @@ -341,16 +341,19 @@ impl<'psess, 'src> StringReader<'psess, 'src> { // first remove compound tokens like `<<` from `rustc_lexer`, and then add // fancier error recovery to it, as there will be less overall work to do this // way. - let (token, sugg) = unicode_chars::check_for_substitution(self, start, c, repeats+1); + let (token, sugg) = + unicode_chars::check_for_substitution(self, start, c, repeats + 1); self.dcx().emit_err(errors::UnknownTokenStart { span: self.mk_sp(start, self.pos + Pos::from_usize(repeats * c.len_utf8())), escaped: escaped_char(c), sugg, - null: if c == '\x00' {Some(errors::UnknownTokenNull)} else {None}, + null: if c == '\x00' { Some(errors::UnknownTokenNull) } else { None }, repeat: if repeats > 0 { swallow_next_invalid = repeats; Some(errors::UnknownTokenRepeat { repeats }) - } else {None} + } else { + None + }, }); if let Some(token) = token { From 97910580aadab067ef13b5d0094a57e124c743ea Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 5 Sep 2024 05:43:55 -0400 Subject: [PATCH 073/149] Add initial support for raw lifetimes --- compiler/rustc_ast/src/mut_visit.rs | 4 +- compiler/rustc_ast/src/token.rs | 18 +++++---- compiler/rustc_ast/src/tokenstream.rs | 4 +- compiler/rustc_ast_pretty/src/pprust/state.rs | 13 +++++-- compiler/rustc_expand/src/mbe/macro_parser.rs | 6 ++- compiler/rustc_expand/src/mbe/transcribe.rs | 4 +- .../rustc_expand/src/proc_macro_server.rs | 9 +++-- compiler/rustc_lexer/src/lib.rs | 13 ++++++- compiler/rustc_lint/messages.ftl | 4 ++ .../rustc_lint/src/context/diagnostics.rs | 4 ++ compiler/rustc_lint/src/lints.rs | 9 +++++ compiler/rustc_lint_defs/src/lib.rs | 2 + compiler/rustc_parse/src/lexer/mod.rs | 39 +++++++++++++++++-- compiler/rustc_parse/src/parser/expr.rs | 6 +-- compiler/rustc_parse/src/parser/mod.rs | 2 +- .../rustc_parse/src/parser/nonterminal.rs | 6 +-- compiler/rustc_parse/src/parser/pat.rs | 6 +-- compiler/rustc_parse/src/parser/ty.rs | 7 ++-- 18 files changed, 116 insertions(+), 40 deletions(-) diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index 8a66894a3560..7c8af6c4a556 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -752,7 +752,7 @@ fn visit_lazy_tts(vis: &mut T, lazy_tts: &mut Option(vis: &mut T, t: &mut Token) { let Token { kind, span } = t; match kind { - token::Ident(name, _ /*raw*/) | token::Lifetime(name) => { + token::Ident(name, _is_raw) | token::Lifetime(name, _is_raw) => { let mut ident = Ident::new(*name, *span); vis.visit_ident(&mut ident); *name = ident.name; @@ -762,7 +762,7 @@ pub fn visit_token(vis: &mut T, t: &mut Token) { token::NtIdent(ident, _is_raw) => { vis.visit_ident(ident); } - token::NtLifetime(ident) => { + token::NtLifetime(ident, _is_raw) => { vis.visit_ident(ident); } token::Interpolated(nt) => { diff --git a/compiler/rustc_ast/src/token.rs b/compiler/rustc_ast/src/token.rs index f1dddb3acaca..a0082a41713b 100644 --- a/compiler/rustc_ast/src/token.rs +++ b/compiler/rustc_ast/src/token.rs @@ -331,11 +331,11 @@ pub enum TokenKind { /// Do not forget about `NtLifetime` when you want to match on lifetime identifiers. /// It's recommended to use `Token::(lifetime,uninterpolate,uninterpolated_span)` to /// treat regular and interpolated lifetime identifiers in the same way. - Lifetime(Symbol), + Lifetime(Symbol, IdentIsRaw), /// This identifier (and its span) is the lifetime passed to the /// declarative macro. The span in the surrounding `Token` is the span of /// the `lifetime` metavariable in the macro's RHS. - NtLifetime(Ident), + NtLifetime(Ident, IdentIsRaw), /// An embedded AST node, as produced by a macro. This only exists for /// historical reasons. We'd like to get rid of it, for multiple reasons. @@ -458,7 +458,7 @@ impl Token { /// if they keep spans or perform edition checks. pub fn uninterpolated_span(&self) -> Span { match self.kind { - NtIdent(ident, _) | NtLifetime(ident) => ident.span, + NtIdent(ident, _) | NtLifetime(ident, _) => ident.span, Interpolated(ref nt) => nt.use_span(), _ => self.span, } @@ -661,7 +661,9 @@ impl Token { pub fn uninterpolate(&self) -> Cow<'_, Token> { match self.kind { NtIdent(ident, is_raw) => Cow::Owned(Token::new(Ident(ident.name, is_raw), ident.span)), - NtLifetime(ident) => Cow::Owned(Token::new(Lifetime(ident.name), ident.span)), + NtLifetime(ident, is_raw) => { + Cow::Owned(Token::new(Lifetime(ident.name, is_raw), ident.span)) + } _ => Cow::Borrowed(self), } } @@ -679,11 +681,11 @@ impl Token { /// Returns a lifetime identifier if this token is a lifetime. #[inline] - pub fn lifetime(&self) -> Option { + pub fn lifetime(&self) -> Option<(Ident, IdentIsRaw)> { // We avoid using `Token::uninterpolate` here because it's slow. match self.kind { - Lifetime(name) => Some(Ident::new(name, self.span)), - NtLifetime(ident) => Some(ident), + Lifetime(name, is_raw) => Some((Ident::new(name, self.span), is_raw)), + NtLifetime(ident, is_raw) => Some((ident, is_raw)), _ => None, } } @@ -865,7 +867,7 @@ impl Token { _ => return None, }, SingleQuote => match joint.kind { - Ident(name, IdentIsRaw::No) => Lifetime(Symbol::intern(&format!("'{name}"))), + Ident(name, is_raw) => Lifetime(Symbol::intern(&format!("'{name}")), is_raw), _ => return None, }, diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs index 057b4455dca8..fc1dd2caf681 100644 --- a/compiler/rustc_ast/src/tokenstream.rs +++ b/compiler/rustc_ast/src/tokenstream.rs @@ -482,11 +482,11 @@ impl TokenStream { token::NtIdent(ident, is_raw) => { TokenTree::Token(Token::new(token::Ident(ident.name, is_raw), ident.span), spacing) } - token::NtLifetime(ident) => TokenTree::Delimited( + token::NtLifetime(ident, is_raw) => TokenTree::Delimited( DelimSpan::from_single(token.span), DelimSpacing::new(Spacing::JointHidden, spacing), Delimiter::Invisible, - TokenStream::token_alone(token::Lifetime(ident.name), ident.span), + TokenStream::token_alone(token::Lifetime(ident.name, is_raw), ident.span), ), token::Interpolated(ref nt) => TokenTree::Delimited( DelimSpan::from_single(token.span), diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index c7ff39d23ed2..3b1449d9a911 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -11,7 +11,9 @@ use std::borrow::Cow; use ast::TraitBoundModifiers; use rustc_ast::attr::AttrIdGenerator; use rustc_ast::ptr::P; -use rustc_ast::token::{self, BinOpToken, CommentKind, Delimiter, Nonterminal, Token, TokenKind}; +use rustc_ast::token::{ + self, BinOpToken, CommentKind, Delimiter, IdentIsRaw, Nonterminal, Token, TokenKind, +}; use rustc_ast::tokenstream::{Spacing, TokenStream, TokenTree}; use rustc_ast::util::classify; use rustc_ast::util::comments::{Comment, CommentStyle}; @@ -947,8 +949,13 @@ pub trait PrintState<'a>: std::ops::Deref + std::ops::Dere token::NtIdent(ident, is_raw) => { IdentPrinter::for_ast_ident(ident, is_raw.into()).to_string().into() } - token::Lifetime(name) => name.to_string().into(), - token::NtLifetime(ident) => ident.name.to_string().into(), + + token::Lifetime(name, IdentIsRaw::No) + | token::NtLifetime(Ident { name, .. }, IdentIsRaw::No) => name.to_string().into(), + token::Lifetime(name, IdentIsRaw::Yes) + | token::NtLifetime(Ident { name, .. }, IdentIsRaw::Yes) => { + format!("'r#{}", &name.as_str()[1..]).into() + } /* Other */ token::DocComment(comment_kind, attr_style, data) => { diff --git a/compiler/rustc_expand/src/mbe/macro_parser.rs b/compiler/rustc_expand/src/mbe/macro_parser.rs index 9011d02da335..501a2417fcf3 100644 --- a/compiler/rustc_expand/src/mbe/macro_parser.rs +++ b/compiler/rustc_expand/src/mbe/macro_parser.rs @@ -398,8 +398,10 @@ pub(crate) enum NamedMatch { fn token_name_eq(t1: &Token, t2: &Token) -> bool { if let (Some((ident1, is_raw1)), Some((ident2, is_raw2))) = (t1.ident(), t2.ident()) { ident1.name == ident2.name && is_raw1 == is_raw2 - } else if let (Some(ident1), Some(ident2)) = (t1.lifetime(), t2.lifetime()) { - ident1.name == ident2.name + } else if let (Some((ident1, is_raw1)), Some((ident2, is_raw2))) = + (t1.lifetime(), t2.lifetime()) + { + ident1.name == ident2.name && is_raw1 == is_raw2 } else { t1.kind == t2.kind } diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index b06910595bb2..39489a8df1be 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -283,9 +283,9 @@ pub(super) fn transcribe<'a>( let kind = token::NtIdent(*ident, *is_raw); TokenTree::token_alone(kind, sp) } - MatchedSingle(ParseNtResult::Lifetime(ident)) => { + MatchedSingle(ParseNtResult::Lifetime(ident, is_raw)) => { marker.visit_span(&mut sp); - let kind = token::NtLifetime(*ident); + let kind = token::NtLifetime(*ident, *is_raw); TokenTree::token_alone(kind, sp) } MatchedSingle(ParseNtResult::Nt(nt)) => { diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 4ff5da1a4bdf..5798bcedc226 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -229,15 +229,16 @@ impl FromInternal<(TokenStream, &mut Rustc<'_, '_>)> for Vec { + Lifetime(name, is_raw) => { let ident = symbol::Ident::new(name, span).without_first_quote(); trees.extend([ TokenTree::Punct(Punct { ch: b'\'', joint: true, span }), - TokenTree::Ident(Ident { sym: ident.name, is_raw: false, span }), + TokenTree::Ident(Ident { sym: ident.name, is_raw: is_raw.into(), span }), ]); } - NtLifetime(ident) => { - let stream = TokenStream::token_alone(token::Lifetime(ident.name), ident.span); + NtLifetime(ident, is_raw) => { + let stream = + TokenStream::token_alone(token::Lifetime(ident.name, is_raw), ident.span); trees.push(TokenTree::Group(Group { delimiter: pm::Delimiter::None, stream: Some(stream), diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index 6561e416cfa4..60aab668cbaa 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -97,6 +97,9 @@ pub enum TokenKind { /// and not the separator. UnknownPrefixLifetime, + /// `'r#lt`, which in edition < 2021 is split into several tokens: `'r # lt`. + RawLifetime, + /// Similar to the above, but *always* an error on every edition. This is used /// for emoji identifier recovery, as those are not meant to be ever accepted. InvalidPrefix, @@ -683,9 +686,17 @@ impl Cursor<'_> { return Literal { kind, suffix_start }; } + if self.first() == 'r' && self.second() == '#' && is_id_start(self.third()) { + // Eat "r" and `#`, and identifier start characters. + self.bump(); + self.bump(); + self.bump(); + self.eat_while(is_id_continue); + return RawLifetime; + } + // Either a lifetime or a character literal with // length greater than 1. - let starts_with_number = self.first().is_ascii_digit(); // Skip the literal contents. diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 759320b9eb65..f7d5c27baef9 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -707,6 +707,10 @@ lint_range_endpoint_out_of_range = range endpoint is out of range for `{$ty}` lint_range_use_inclusive_range = use an inclusive range instead +lint_raw_prefix = prefix `'r` is reserved + .label = reserved prefix + .suggestion = insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + lint_reason_must_be_string_literal = reason must be a string literal lint_reason_must_come_last = reason in lint attribute must come last diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index fd43afa17438..fbff210d87d2 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -172,6 +172,10 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & } .decorate_lint(diag); } + BuiltinLintDiag::RawPrefix(label_span) => { + lints::RawPrefix { label: label_span, suggestion: label_span.shrink_to_hi() } + .decorate_lint(diag); + } BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name, invoc_span } => { lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name }.decorate_lint(diag); } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 9050f36acba7..8b62e716929d 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2772,6 +2772,15 @@ pub(crate) struct ReservedPrefix { pub prefix: String, } +#[derive(LintDiagnostic)] +#[diag(lint_raw_prefix)] +pub(crate) struct RawPrefix { + #[label] + pub label: Span, + #[suggestion(code = " ", applicability = "machine-applicable")] + pub suggestion: Span, +} + #[derive(LintDiagnostic)] #[diag(lint_unused_builtin_attribute)] pub(crate) struct UnusedBuiltinAttribute { diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 6ee330416236..2b2a67dc846f 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -609,6 +609,8 @@ pub enum BuiltinLintDiag { LegacyDeriveHelpers(Span), OrPatternsBackCompat(Span, String), ReservedPrefix(Span, String), + /// `'r#` in edition < 2021. + RawPrefix(Span), TrailingMacro(bool, Ident), BreakWithLabelAndLoop(Span), UnicodeTextFlow(Span, String), diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index c0731cf31c33..a680e2a3bc25 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -13,7 +13,6 @@ use rustc_session::lint::builtin::{ }; use rustc_session::lint::BuiltinLintDiag; use rustc_session::parse::ParseSess; -use rustc_span::edition::Edition; use rustc_span::symbol::Symbol; use rustc_span::{BytePos, Pos, Span}; use tracing::debug; @@ -284,7 +283,41 @@ impl<'psess, 'src> StringReader<'psess, 'src> { .stash(span, StashKey::LifetimeIsChar); } let ident = Symbol::intern(lifetime_name); - token::Lifetime(ident) + token::Lifetime(ident, IdentIsRaw::No) + } + rustc_lexer::TokenKind::RawLifetime => { + self.last_lifetime = Some(self.mk_sp(start, start + BytePos(1))); + + let ident_start = start + BytePos(3); + let prefix_span = self.mk_sp(start, ident_start); + + if prefix_span.at_least_rust_2021() { + let lifetime_name_without_tick = self.str_from(ident_start); + // Put the `'` back onto the lifetime name. + let mut lifetime_name = String::with_capacity(lifetime_name_without_tick.len() + 1); + lifetime_name.push('\''); + lifetime_name += lifetime_name_without_tick; + let sym = Symbol::intern(&lifetime_name); + + token::Lifetime(sym, IdentIsRaw::Yes) + } else { + // Otherwise, this is just `'r`. Warn about it though. + self.psess.buffer_lint( + RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, + prefix_span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::RawPrefix(prefix_span), + ); + + // Reset the state so we just lex the `'r`. + let lt_start = start + BytePos(2); + self.pos = lt_start; + self.cursor = Cursor::new(&str_before[2 as usize..]); + + let lifetime_name = self.str_from(start); + let ident = Symbol::intern(lifetime_name); + token::Lifetime(ident, IdentIsRaw::No) + } } rustc_lexer::TokenKind::Semi => token::Semi, rustc_lexer::TokenKind::Comma => token::Comma, @@ -712,7 +745,7 @@ impl<'psess, 'src> StringReader<'psess, 'src> { let expn_data = prefix_span.ctxt().outer_expn_data(); - if expn_data.edition >= Edition::Edition2021 { + if expn_data.edition.at_least_rust_2021() { // In Rust 2021, this is a hard error. let sugg = if prefix == "rb" { Some(errors::UnknownPrefixSugg::UseBr(prefix_span)) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 84684e808d94..ecc4cd96fafb 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -2050,7 +2050,7 @@ impl<'a> Parser<'a> { }; // On an error path, eagerly consider a lifetime to be an unclosed character lit, if that // makes sense. - if let Some(ident) = self.token.lifetime() + if let Some((ident, IdentIsRaw::No)) = self.token.lifetime() && could_be_unclosed_char_literal(ident) { let lt = self.expect_lifetime(); @@ -2925,9 +2925,9 @@ impl<'a> Parser<'a> { } pub(crate) fn eat_label(&mut self) -> Option