From dc53c8f25fb0855c413cbb44041a106dfab9eef1 Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Thu, 27 Oct 2022 18:32:17 +0400 Subject: [PATCH] Update tooling --- compiler/rustc_codegen_cranelift/src/base.rs | 6 +- .../rustc_codegen_cranelift/src/constant.rs | 3 +- src/librustdoc/clean/auto_trait.rs | 2 +- .../clippy_lints/src/casts/ptr_as_ptr.rs | 2 +- .../clippy/clippy_lints/src/dereference.rs | 10 +- .../clippy_lints/src/functions/must_use.rs | 2 +- .../clippy/clippy_lints/src/let_if_seq.rs | 2 +- src/tools/clippy/clippy_lints/src/mut_key.rs | 10 +- .../src/needless_pass_by_value.rs | 4 +- .../clippy/clippy_lints/src/non_copy_const.rs | 4 +- .../clippy/clippy_lints/src/question_mark.rs | 2 +- .../src/transmute/transmute_undefined_repr.rs | 165 +++++++++++------- .../src/types/redundant_allocation.rs | 18 +- .../clippy/clippy_lints/src/types/vec_box.rs | 2 +- src/tools/clippy/clippy_utils/src/ty.rs | 4 +- 15 files changed, 137 insertions(+), 99 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index a41b561598f6..1db44502742e 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -770,11 +770,7 @@ fn codegen_stmt<'tcx>( lval.write_cvalue(fx, CValue::by_val(operand, box_layout)); } Rvalue::NullaryOp(null_op, ty) => { - assert!( - lval.layout() - .ty - .is_sized(fx.tcx.at(stmt.source_info.span), ParamEnv::reveal_all()) - ); + assert!(lval.layout().ty.is_sized(fx.tcx, ParamEnv::reveal_all())); let layout = fx.layout_of(fx.monomorphize(ty)); let val = match null_op { NullOp::SizeOf => layout.size.bytes(), diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index d4bc3543b2d1..148b66d959e8 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -5,7 +5,6 @@ use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir::interpret::{ read_target_uint, AllocId, ConstAllocation, ConstValue, ErrorHandled, GlobalAlloc, Scalar, }; -use rustc_span::DUMMY_SP; use cranelift_module::*; @@ -291,7 +290,7 @@ fn data_id_for_static( let is_mutable = if tcx.is_mutable_static(def_id) { true } else { - !ty.is_freeze(tcx.at(DUMMY_SP), ParamEnv::reveal_all()) + !ty.is_freeze(tcx, ParamEnv::reveal_all()) }; let align = tcx.layout_of(ParamEnv::reveal_all().and(ty)).unwrap().align.pref.bytes(); diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index efa9242a4678..764a6d3aa48c 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -148,7 +148,7 @@ where }) .collect(); // We are only interested in case the type *doesn't* implement the Sized trait. - if !ty.is_sized(tcx.at(rustc_span::DUMMY_SP), param_env) { + if !ty.is_sized(tcx, param_env) { // In case `#![no_core]` is used, `sized_trait` returns nothing. if let Some(item) = tcx.lang_items().sized_trait().and_then(|sized_trait_did| { self.generate_for_trait(ty, sized_trait_did, param_env, item_def_id, &f, true) diff --git a/src/tools/clippy/clippy_lints/src/casts/ptr_as_ptr.rs b/src/tools/clippy/clippy_lints/src/casts/ptr_as_ptr.rs index c2b9253ec35d..b9509ca656f7 100644 --- a/src/tools/clippy/clippy_lints/src/casts/ptr_as_ptr.rs +++ b/src/tools/clippy/clippy_lints/src/casts/ptr_as_ptr.rs @@ -26,7 +26,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, msrv: Option( cx.typeck_results().node_type(ty.ty.hir_id), binder_args, )) - .is_sized(cx.tcx.at(DUMMY_SP), cx.param_env.without_caller_bounds()), + .is_sized(cx.tcx, cx.param_env.without_caller_bounds()), ) } }, @@ -1005,7 +1005,7 @@ fn binding_ty_auto_deref_stability<'tcx>( cx.typeck_results().node_type(ty.ty.hir_id), binder_args, )) - .is_sized(cx.tcx.at(DUMMY_SP), cx.param_env.without_caller_bounds()), + .is_sized(cx.tcx, cx.param_env.without_caller_bounds()), ), TyKind::OpaqueDef(..) | TyKind::Infer | TyKind::Typeof(..) | TyKind::TraitObject(..) | TyKind::Err => { Position::ReborrowStable(precedence) @@ -1297,7 +1297,7 @@ impl<'tcx> TyPosition<'tcx> { fn position_for_result(self, cx: &LateContext<'tcx>) -> Position { match (self.position, self.ty) { (Position::ReborrowStable(precedence), Some(ty)) => { - Position::DerefStable(precedence, ty.is_sized(cx.tcx.at(DUMMY_SP), cx.param_env)) + Position::DerefStable(precedence, ty.is_sized(cx.tcx, cx.param_env)) }, (position, _) => position, } @@ -1348,7 +1348,7 @@ fn ty_auto_deref_stability<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, precedenc | ty::Tuple(_) | ty::Projection(_) => Position::DerefStable( precedence, - ty.is_sized(cx.tcx.at(DUMMY_SP), cx.param_env.without_caller_bounds()), + ty.is_sized(cx.tcx, cx.param_env.without_caller_bounds()), ) .into(), }; diff --git a/src/tools/clippy/clippy_lints/src/functions/must_use.rs b/src/tools/clippy/clippy_lints/src/functions/must_use.rs index 3064b6c9d22f..922190a87d8c 100644 --- a/src/tools/clippy/clippy_lints/src/functions/must_use.rs +++ b/src/tools/clippy/clippy_lints/src/functions/must_use.rs @@ -188,7 +188,7 @@ fn is_mutable_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Span, tys: &m // primitive types are never mutable ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => false, ty::Adt(adt, substs) => { - tys.insert(adt.did()) && !ty.is_freeze(cx.tcx.at(span), cx.param_env) + tys.insert(adt.did()) && !ty.is_freeze(cx.tcx, cx.param_env) || KNOWN_WRAPPER_TYS .iter() .any(|&sym| cx.tcx.is_diagnostic_item(sym, adt.did())) diff --git a/src/tools/clippy/clippy_lints/src/let_if_seq.rs b/src/tools/clippy/clippy_lints/src/let_if_seq.rs index 13071d64441a..db41bc67da1a 100644 --- a/src/tools/clippy/clippy_lints/src/let_if_seq.rs +++ b/src/tools/clippy/clippy_lints/src/let_if_seq.rs @@ -74,7 +74,7 @@ impl<'tcx> LateLintPass<'tcx> for LetIfSeq { let span = stmt.span.to(if_.span); let has_interior_mutability = !cx.typeck_results().node_type(canonical_id).is_freeze( - cx.tcx.at(span), + cx.tcx, cx.param_env, ); if has_interior_mutability { return; } diff --git a/src/tools/clippy/clippy_lints/src/mut_key.rs b/src/tools/clippy/clippy_lints/src/mut_key.rs index 25d6ca83a94b..1d0744b631c6 100644 --- a/src/tools/clippy/clippy_lints/src/mut_key.rs +++ b/src/tools/clippy/clippy_lints/src/mut_key.rs @@ -136,12 +136,14 @@ fn check_ty<'tcx>(cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) { /// [`Hash`] or [`Ord`]. fn is_interior_mutable_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Span) -> bool { match *ty.kind() { - Ref(_, inner_ty, mutbl) => mutbl == hir::Mutability::Mut || is_interior_mutable_type(cx, inner_ty, span), + Ref(_, inner_ty, mutbl) => { + mutbl == hir::Mutability::Mut || is_interior_mutable_type(cx, inner_ty, span) + } Slice(inner_ty) => is_interior_mutable_type(cx, inner_ty, span), Array(inner_ty, size) => { size.try_eval_usize(cx.tcx, cx.param_env).map_or(true, |u| u != 0) && is_interior_mutable_type(cx, inner_ty, span) - }, + } Tuple(fields) => fields.iter().any(|ty| is_interior_mutable_type(cx, ty, span)), Adt(def, substs) => { // Special case for collections in `std` who's impl of `Hash` or `Ord` delegates to @@ -167,9 +169,9 @@ fn is_interior_mutable_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Sp } else { !ty.has_escaping_bound_vars() && cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() - && !ty.is_freeze(cx.tcx.at(span), cx.param_env) + && !ty.is_freeze(cx.tcx, cx.param_env) } - }, + } _ => false, } } diff --git a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs index 9c949a28f44d..b2e9ce5c94d6 100644 --- a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs +++ b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs @@ -19,7 +19,7 @@ use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::{self, TypeVisitable}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::symbol::kw; -use rustc_span::{sym, Span, DUMMY_SP}; +use rustc_span::{sym, Span}; use rustc_target::spec::abi::Abi; use rustc_trait_selection::traits; use rustc_trait_selection::traits::misc::can_type_implement_copy; @@ -184,7 +184,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { if !is_self(arg); if !ty.is_mutable_ptr(); if !is_copy(cx, ty); - if ty.is_sized(cx.tcx.at(DUMMY_SP), cx.param_env); + if ty.is_sized(cx.tcx, cx.param_env); if !allowed_traits.iter().any(|&t| implements_trait(cx, ty, t, &[])); if !implements_borrow_trait; if !all_borrowable_trait; diff --git a/src/tools/clippy/clippy_lints/src/non_copy_const.rs b/src/tools/clippy/clippy_lints/src/non_copy_const.rs index a6742824bc56..671c16953aed 100644 --- a/src/tools/clippy/clippy_lints/src/non_copy_const.rs +++ b/src/tools/clippy/clippy_lints/src/non_copy_const.rs @@ -20,7 +20,7 @@ use rustc_middle::mir::interpret::{ConstValue, ErrorHandled}; use rustc_middle::ty::adjustment::Adjust; use rustc_middle::ty::{self, Ty}; use rustc_session::{declare_lint_pass, declare_tool_lint}; -use rustc_span::{sym, InnerSpan, Span, DUMMY_SP}; +use rustc_span::{sym, InnerSpan, Span}; // FIXME: this is a correctness problem but there's no suitable // warn-by-default category. @@ -136,7 +136,7 @@ fn is_unfrozen<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { // since it works when a pointer indirection involves (`Cell<*const T>`). // Making up a `ParamEnv` where every generic params and assoc types are `Freeze`is another option; // but I'm not sure whether it's a decent way, if possible. - cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() && !ty.is_freeze(cx.tcx.at(DUMMY_SP), cx.param_env) + cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() && !ty.is_freeze(cx.tcx, cx.param_env) } fn is_value_unfrozen_raw<'tcx>( diff --git a/src/tools/clippy/clippy_lints/src/question_mark.rs b/src/tools/clippy/clippy_lints/src/question_mark.rs index 328371fd602f..bb86fb3b7d42 100644 --- a/src/tools/clippy/clippy_lints/src/question_mark.rs +++ b/src/tools/clippy/clippy_lints/src/question_mark.rs @@ -94,7 +94,7 @@ fn check_is_none_or_err_and_early_return<'tcx>(cx: &LateContext<'tcx>, expr: &Ex then { let mut applicability = Applicability::MachineApplicable; let receiver_str = snippet_with_applicability(cx, caller.span, "..", &mut applicability); - let by_ref = !caller_ty.is_copy_modulo_regions(cx.tcx.at(caller.span), cx.param_env) && + let by_ref = !caller_ty.is_copy_modulo_regions(cx.tcx, cx.param_env) && !matches!(caller.kind, ExprKind::Call(..) | ExprKind::MethodCall(..)); let sugg = if let Some(else_inner) = r#else { if eq_expr_value(cx, caller, peel_blocks(else_inner)) { diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs index 1c99a02e6c71..3d4bbbf648c6 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs @@ -5,7 +5,6 @@ use rustc_hir::Expr; use rustc_lint::LateContext; use rustc_middle::ty::SubstsRef; use rustc_middle::ty::{self, IntTy, Ty, TypeAndMut, UintTy}; -use rustc_span::DUMMY_SP; #[expect(clippy::too_many_lines)] pub(super) fn check<'tcx>( @@ -28,24 +27,32 @@ pub(super) fn check<'tcx>( // `Repr(C)` <-> unordered type. // If the first field of the `Repr(C)` type matches then the transmute is ok - (ReducedTy::OrderedFields(_, Some(from_sub_ty)), ReducedTy::UnorderedFields(to_sub_ty)) - | (ReducedTy::UnorderedFields(from_sub_ty), ReducedTy::OrderedFields(_, Some(to_sub_ty))) => { + ( + ReducedTy::OrderedFields(_, Some(from_sub_ty)), + ReducedTy::UnorderedFields(to_sub_ty), + ) + | ( + ReducedTy::UnorderedFields(from_sub_ty), + ReducedTy::OrderedFields(_, Some(to_sub_ty)), + ) => { from_ty = from_sub_ty; to_ty = to_sub_ty; continue; - }, - (ReducedTy::OrderedFields(_, Some(from_sub_ty)), ReducedTy::Other(to_sub_ty)) if reduced_tys.to_fat_ptr => { + } + (ReducedTy::OrderedFields(_, Some(from_sub_ty)), ReducedTy::Other(to_sub_ty)) + if reduced_tys.to_fat_ptr => + { from_ty = from_sub_ty; to_ty = to_sub_ty; continue; - }, + } (ReducedTy::Other(from_sub_ty), ReducedTy::OrderedFields(_, Some(to_sub_ty))) if reduced_tys.from_fat_ptr => { from_ty = from_sub_ty; to_ty = to_sub_ty; continue; - }, + } // ptr <-> ptr (ReducedTy::Other(from_sub_ty), ReducedTy::Other(to_sub_ty)) @@ -55,19 +62,19 @@ pub(super) fn check<'tcx>( from_ty = from_sub_ty; to_ty = to_sub_ty; continue; - }, + } // fat ptr <-> (*size, *size) (ReducedTy::Other(_), ReducedTy::UnorderedFields(to_ty)) if reduced_tys.from_fat_ptr && is_size_pair(to_ty) => { return false; - }, + } (ReducedTy::UnorderedFields(from_ty), ReducedTy::Other(_)) if reduced_tys.to_fat_ptr && is_size_pair(from_ty) => { return false; - }, + } // fat ptr -> some struct | some struct -> fat ptr (ReducedTy::Other(_), _) if reduced_tys.from_fat_ptr => { @@ -78,12 +85,14 @@ pub(super) fn check<'tcx>( &format!("transmute from `{from_ty_orig}` which has an undefined layout"), |diag| { if from_ty_orig.peel_refs() != from_ty.peel_refs() { - diag.note(&format!("the contained type `{from_ty}` has an undefined layout")); + diag.note(&format!( + "the contained type `{from_ty}` has an undefined layout" + )); } }, ); return true; - }, + } (_, ReducedTy::Other(_)) if reduced_tys.to_fat_ptr => { span_lint_and_then( cx, @@ -92,14 +101,18 @@ pub(super) fn check<'tcx>( &format!("transmute to `{to_ty_orig}` which has an undefined layout"), |diag| { if to_ty_orig.peel_refs() != to_ty.peel_refs() { - diag.note(&format!("the contained type `{to_ty}` has an undefined layout")); + diag.note(&format!( + "the contained type `{to_ty}` has an undefined layout" + )); } }, ); return true; - }, + } - (ReducedTy::UnorderedFields(from_ty), ReducedTy::UnorderedFields(to_ty)) if from_ty != to_ty => { + (ReducedTy::UnorderedFields(from_ty), ReducedTy::UnorderedFields(to_ty)) + if from_ty != to_ty => + { let same_adt_did = if let (ty::Adt(from_def, from_subs), ty::Adt(to_def, to_subs)) = (from_ty.kind(), to_ty.kind()) && from_def == to_def @@ -126,19 +139,25 @@ pub(super) fn check<'tcx>( )); } else { if from_ty_orig.peel_refs() != from_ty { - diag.note(&format!("the contained type `{from_ty}` has an undefined layout")); + diag.note(&format!( + "the contained type `{from_ty}` has an undefined layout" + )); } if to_ty_orig.peel_refs() != to_ty { - diag.note(&format!("the contained type `{to_ty}` has an undefined layout")); + diag.note(&format!( + "the contained type `{to_ty}` has an undefined layout" + )); } } }, ); return true; - }, + } ( ReducedTy::UnorderedFields(from_ty), - ReducedTy::Other(_) | ReducedTy::OrderedFields(..) | ReducedTy::TypeErasure { raw_ptr_only: true }, + ReducedTy::Other(_) + | ReducedTy::OrderedFields(..) + | ReducedTy::TypeErasure { raw_ptr_only: true }, ) => { span_lint_and_then( cx, @@ -147,14 +166,18 @@ pub(super) fn check<'tcx>( &format!("transmute from `{from_ty_orig}` which has an undefined layout"), |diag| { if from_ty_orig.peel_refs() != from_ty { - diag.note(&format!("the contained type `{from_ty}` has an undefined layout")); + diag.note(&format!( + "the contained type `{from_ty}` has an undefined layout" + )); } }, ); return true; - }, + } ( - ReducedTy::Other(_) | ReducedTy::OrderedFields(..) | ReducedTy::TypeErasure { raw_ptr_only: true }, + ReducedTy::Other(_) + | ReducedTy::OrderedFields(..) + | ReducedTy::TypeErasure { raw_ptr_only: true }, ReducedTy::UnorderedFields(to_ty), ) => { span_lint_and_then( @@ -164,19 +187,25 @@ pub(super) fn check<'tcx>( &format!("transmute into `{to_ty_orig}` which has an undefined layout"), |diag| { if to_ty_orig.peel_refs() != to_ty { - diag.note(&format!("the contained type `{to_ty}` has an undefined layout")); + diag.note(&format!( + "the contained type `{to_ty}` has an undefined layout" + )); } }, ); return true; - }, + } ( - ReducedTy::OrderedFields(..) | ReducedTy::Other(_) | ReducedTy::TypeErasure { raw_ptr_only: true }, - ReducedTy::OrderedFields(..) | ReducedTy::Other(_) | ReducedTy::TypeErasure { raw_ptr_only: true }, + ReducedTy::OrderedFields(..) + | ReducedTy::Other(_) + | ReducedTy::TypeErasure { raw_ptr_only: true }, + ReducedTy::OrderedFields(..) + | ReducedTy::Other(_) + | ReducedTy::TypeErasure { raw_ptr_only: true }, ) | (ReducedTy::UnorderedFields(_), ReducedTy::UnorderedFields(_)) => { break; - }, + } } } @@ -194,42 +223,38 @@ struct ReducedTys<'tcx> { } /// Remove references so long as both types are references. -fn reduce_refs<'tcx>(cx: &LateContext<'tcx>, mut from_ty: Ty<'tcx>, mut to_ty: Ty<'tcx>) -> ReducedTys<'tcx> { +fn reduce_refs<'tcx>( + cx: &LateContext<'tcx>, + mut from_ty: Ty<'tcx>, + mut to_ty: Ty<'tcx>, +) -> ReducedTys<'tcx> { let mut from_raw_ptr = false; let mut to_raw_ptr = false; - let (from_fat_ptr, to_fat_ptr) = loop { - break match (from_ty.kind(), to_ty.kind()) { - ( - &(ty::Ref(_, from_sub_ty, _) | ty::RawPtr(TypeAndMut { ty: from_sub_ty, .. })), - &(ty::Ref(_, to_sub_ty, _) | ty::RawPtr(TypeAndMut { ty: to_sub_ty, .. })), - ) => { - from_raw_ptr = matches!(*from_ty.kind(), ty::RawPtr(_)); - from_ty = from_sub_ty; - to_raw_ptr = matches!(*to_ty.kind(), ty::RawPtr(_)); - to_ty = to_sub_ty; - continue; - }, - (&(ty::Ref(_, unsized_ty, _) | ty::RawPtr(TypeAndMut { ty: unsized_ty, .. })), _) - if !unsized_ty.is_sized(cx.tcx.at(DUMMY_SP), cx.param_env) => - { - (true, false) - }, - (_, &(ty::Ref(_, unsized_ty, _) | ty::RawPtr(TypeAndMut { ty: unsized_ty, .. }))) - if !unsized_ty.is_sized(cx.tcx.at(DUMMY_SP), cx.param_env) => - { - (false, true) - }, - _ => (false, false), + let (from_fat_ptr, to_fat_ptr) = + loop { + break match (from_ty.kind(), to_ty.kind()) { + ( + &(ty::Ref(_, from_sub_ty, _) | ty::RawPtr(TypeAndMut { ty: from_sub_ty, .. })), + &(ty::Ref(_, to_sub_ty, _) | ty::RawPtr(TypeAndMut { ty: to_sub_ty, .. })), + ) => { + from_raw_ptr = matches!(*from_ty.kind(), ty::RawPtr(_)); + from_ty = from_sub_ty; + to_raw_ptr = matches!(*to_ty.kind(), ty::RawPtr(_)); + to_ty = to_sub_ty; + continue; + } + ( + &(ty::Ref(_, unsized_ty, _) | ty::RawPtr(TypeAndMut { ty: unsized_ty, .. })), + _, + ) if !unsized_ty.is_sized(cx.tcx, cx.param_env) => (true, false), + ( + _, + &(ty::Ref(_, unsized_ty, _) | ty::RawPtr(TypeAndMut { ty: unsized_ty, .. })), + ) if !unsized_ty.is_sized(cx.tcx, cx.param_env) => (false, true), + _ => (false, false), + }; }; - }; - ReducedTys { - from_ty, - to_ty, - from_raw_ptr, - to_raw_ptr, - from_fat_ptr, - to_fat_ptr, - } + ReducedTys { from_ty, to_ty, from_raw_ptr, to_raw_ptr, from_fat_ptr, to_fat_ptr } } enum ReducedTy<'tcx> { @@ -252,11 +277,11 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx> return match *ty.kind() { ty::Array(sub_ty, _) if matches!(sub_ty.kind(), ty::Int(_) | ty::Uint(_)) => { ReducedTy::TypeErasure { raw_ptr_only: false } - }, + } ty::Array(sub_ty, _) | ty::Slice(sub_ty) => { ty = sub_ty; continue; - }, + } ty::Tuple(args) if args.is_empty() => ReducedTy::TypeErasure { raw_ptr_only: false }, ty::Tuple(args) => { let mut iter = args.iter(); @@ -268,7 +293,7 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx> continue; } ReducedTy::UnorderedFields(ty) - }, + } ty::Adt(def, substs) if def.is_struct() => { let mut iter = def .non_enum_variant() @@ -287,10 +312,12 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx> } else { ReducedTy::UnorderedFields(ty) } - }, - ty::Adt(def, _) if def.is_enum() && (def.variants().is_empty() || is_c_void(cx, ty)) => { + } + ty::Adt(def, _) + if def.is_enum() && (def.variants().is_empty() || is_c_void(cx, ty)) => + { ReducedTy::TypeErasure { raw_ptr_only: false } - }, + } // TODO: Check if the conversion to or from at least one of a union's fields is valid. ty::Adt(def, _) if def.is_union() => ReducedTy::TypeErasure { raw_ptr_only: false }, ty::Foreign(_) | ty::Param(_) => ReducedTy::TypeErasure { raw_ptr_only: false }, @@ -329,7 +356,11 @@ fn same_except_params<'tcx>(subs1: SubstsRef<'tcx>, subs2: SubstsRef<'tcx>) -> b for (ty1, ty2) in subs1.types().zip(subs2.types()).filter(|(ty1, ty2)| ty1 != ty2) { match (ty1.kind(), ty2.kind()) { (ty::Param(_), _) | (_, ty::Param(_)) => (), - (ty::Adt(adt1, subs1), ty::Adt(adt2, subs2)) if adt1 == adt2 && same_except_params(subs1, subs2) => (), + (ty::Adt(adt1, subs1), ty::Adt(adt2, subs2)) + if adt1 == adt2 && same_except_params(subs1, subs2) => + { + () + } _ => return false, } } diff --git a/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs b/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs index 7883353e3fef..2b964b64a330 100644 --- a/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs +++ b/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs @@ -9,7 +9,12 @@ use rustc_span::symbol::sym; use super::{utils, REDUNDANT_ALLOCATION}; -pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_>, def_id: DefId) -> bool { +pub(super) fn check( + cx: &LateContext<'_>, + hir_ty: &hir::Ty<'_>, + qpath: &QPath<'_>, + def_id: DefId, +) -> bool { let mut applicability = Applicability::MaybeIncorrect; let outer_sym = if Some(def_id) == cx.tcx.lang_items().owned_box() { "Box" @@ -29,7 +34,12 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ hir_ty.span, &format!("usage of `{outer_sym}<{generic_snippet}>`"), |diag| { - diag.span_suggestion(hir_ty.span, "try", format!("{generic_snippet}"), applicability); + diag.span_suggestion( + hir_ty.span, + "try", + format!("{generic_snippet}"), + applicability, + ); diag.note(&format!( "`{generic_snippet}` is already a pointer, `{outer_sym}<{generic_snippet}>` allocates a pointer on the heap" )); @@ -55,11 +65,11 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ // Reallocation of a fat pointer causes it to become thin. `hir_ty_to_ty` is safe to use // here because `mod.rs` guarantees this lint is only run on types outside of bodies and // is not run on locals. - if !hir_ty_to_ty(cx.tcx, ty).is_sized(cx.tcx.at(ty.span), cx.param_env) { + if !hir_ty_to_ty(cx.tcx, ty).is_sized(cx.tcx, cx.param_env) { return false; } ty.span - }, + } None => return false, }; if inner_sym == outer_sym { diff --git a/src/tools/clippy/clippy_lints/src/types/vec_box.rs b/src/tools/clippy/clippy_lints/src/types/vec_box.rs index 6c329d8cdf19..9ad2cb853d39 100644 --- a/src/tools/clippy/clippy_lints/src/types/vec_box.rs +++ b/src/tools/clippy/clippy_lints/src/types/vec_box.rs @@ -40,7 +40,7 @@ pub(super) fn check( }); let ty_ty = hir_ty_to_ty(cx.tcx, boxed_ty); if !ty_ty.has_escaping_bound_vars(); - if ty_ty.is_sized(cx.tcx.at(ty.span), cx.param_env); + if ty_ty.is_sized(cx.tcx, cx.param_env); if let Ok(ty_ty_size) = cx.layout_of(ty_ty).map(|l| l.size.bytes()); if ty_ty_size <= box_size_threshold; then { diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index 3b5a9ba83568..4e024ce40179 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -18,7 +18,7 @@ use rustc_middle::ty::{ }; use rustc_middle::ty::{GenericArg, GenericArgKind}; use rustc_span::symbol::Ident; -use rustc_span::{sym, Span, Symbol, DUMMY_SP}; +use rustc_span::{sym, Span, Symbol}; use rustc_target::abi::{Size, VariantIdx}; use rustc_trait_selection::infer::InferCtxtExt; use rustc_trait_selection::traits::query::normalize::AtExt; @@ -28,7 +28,7 @@ use crate::{match_def_path, path_res, paths}; // Checks if the given type implements copy. pub fn is_copy<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { - ty.is_copy_modulo_regions(cx.tcx.at(DUMMY_SP), cx.param_env) + ty.is_copy_modulo_regions(cx.tcx, cx.param_env) } /// This checks whether a given type is known to implement Debug.