diff options
228 files changed, 1344 insertions, 997 deletions
diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index a6ea4aa8923..6027027428e 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -100,10 +100,13 @@ impl<'hir> LoweringContext<'_, 'hir> { ExprKind::If(ref cond, ref then, ref else_opt) => { self.lower_expr_if(cond, then, else_opt.as_deref()) } - ExprKind::While(ref cond, ref body, opt_label) => self - .with_loop_scope(e.id, |this| { - this.lower_expr_while_in_loop_scope(e.span, cond, body, opt_label) - }), + ExprKind::While(ref cond, ref body, opt_label) => { + self.with_loop_scope(e.id, |this| { + let span = + this.mark_span_with_reason(DesugaringKind::WhileLoop, e.span, None); + this.lower_expr_while_in_loop_scope(span, cond, body, opt_label) + }) + } ExprKind::Loop(ref body, opt_label) => self.with_loop_scope(e.id, |this| { hir::ExprKind::Loop( this.lower_block(body, false), diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 50130dc2a27..a4df277a7b0 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -966,8 +966,8 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { _ => None, }); let is_option_or_result = parent_self_ty.map_or(false, |def_id| { - tcx.is_diagnostic_item(sym::option_type, def_id) - || tcx.is_diagnostic_item(sym::result_type, def_id) + tcx.is_diagnostic_item(sym::Option, def_id) + || tcx.is_diagnostic_item(sym::Result, def_id) }); FnSelfUseKind::Normal { self_arg, implicit_into_iter, is_option_or_result } }); diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs index b23ce281bef..855e6850b2e 100644 --- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs @@ -400,8 +400,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { | ty::Opaque(def_id, _) => def_id, _ => return err, }; - let is_option = self.infcx.tcx.is_diagnostic_item(sym::option_type, def_id); - let is_result = self.infcx.tcx.is_diagnostic_item(sym::result_type, def_id); + let is_option = self.infcx.tcx.is_diagnostic_item(sym::Option, def_id); + let is_result = self.infcx.tcx.is_diagnostic_item(sym::Result, def_id); if (is_option || is_result) && use_spans.map_or(true, |v| !v.for_closure()) { err.span_suggestion_verbose( span.shrink_to_hi(), diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index 6ffa0095e4b..43032ae81cb 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -277,26 +277,26 @@ fn do_mir_borrowck<'a, 'tcx>( let regioncx = Rc::new(regioncx); - let flow_borrows = Borrows::new(tcx, &body, ®ioncx, &borrow_set) - .into_engine(tcx, &body) + let flow_borrows = Borrows::new(tcx, body, ®ioncx, &borrow_set) + .into_engine(tcx, body) .pass_name("borrowck") .iterate_to_fixpoint(); - let flow_uninits = MaybeUninitializedPlaces::new(tcx, &body, &mdpe) - .into_engine(tcx, &body) + let flow_uninits = MaybeUninitializedPlaces::new(tcx, body, &mdpe) + .into_engine(tcx, body) .pass_name("borrowck") .iterate_to_fixpoint(); - let flow_ever_inits = EverInitializedPlaces::new(tcx, &body, &mdpe) - .into_engine(tcx, &body) + let flow_ever_inits = EverInitializedPlaces::new(tcx, body, &mdpe) + .into_engine(tcx, body) .pass_name("borrowck") .iterate_to_fixpoint(); - let movable_generator = match tcx.hir().get(id) { + let movable_generator = !matches!( + tcx.hir().get(id), Node::Expr(&hir::Expr { kind: hir::ExprKind::Closure(.., Some(hir::Movability::Static)), .. - }) => false, - _ => true, - }; + }) + ); for (idx, move_data_results) in promoted_errors { let promoted_body = &promoted[idx]; @@ -374,8 +374,8 @@ fn do_mir_borrowck<'a, 'tcx>( mbcx.report_move_errors(move_errors); rustc_mir_dataflow::visit_results( - &body, - traversal::reverse_postorder(&body).map(|(bb, _)| bb), + body, + traversal::reverse_postorder(body).map(|(bb, _)| bb), &results, &mut mbcx, ); diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 59f933d422d..0f88995846c 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -332,20 +332,27 @@ pub fn combine_substructure( RefCell::new(f) } +struct TypeParameter { + bound_generic_params: Vec<ast::GenericParam>, + ty: P<ast::Ty>, +} + /// This method helps to extract all the type parameters referenced from a /// type. For a type parameter `<T>`, it looks for either a `TyPath` that /// is not global and starts with `T`, or a `TyQPath`. +/// Also include bound generic params from the input type. fn find_type_parameters( ty: &ast::Ty, ty_param_names: &[Symbol], cx: &ExtCtxt<'_>, -) -> Vec<P<ast::Ty>> { +) -> Vec<TypeParameter> { use rustc_ast::visit; struct Visitor<'a, 'b> { cx: &'a ExtCtxt<'b>, ty_param_names: &'a [Symbol], - types: Vec<P<ast::Ty>>, + bound_generic_params_stack: Vec<ast::GenericParam>, + type_params: Vec<TypeParameter>, } impl<'a, 'b> visit::Visitor<'a> for Visitor<'a, 'b> { @@ -353,7 +360,10 @@ fn find_type_parameters( if let ast::TyKind::Path(_, ref path) = ty.kind { if let Some(segment) = path.segments.first() { if self.ty_param_names.contains(&segment.ident.name) { - self.types.push(P(ty.clone())); + self.type_params.push(TypeParameter { + bound_generic_params: self.bound_generic_params_stack.clone(), + ty: P(ty.clone()), + }); } } } @@ -361,15 +371,35 @@ fn find_type_parameters( visit::walk_ty(self, ty) } + // Place bound generic params on a stack, to extract them when a type is encountered. + fn visit_poly_trait_ref( + &mut self, + trait_ref: &'a ast::PolyTraitRef, + modifier: &'a ast::TraitBoundModifier, + ) { + let stack_len = self.bound_generic_params_stack.len(); + self.bound_generic_params_stack + .extend(trait_ref.bound_generic_params.clone().into_iter()); + + visit::walk_poly_trait_ref(self, trait_ref, modifier); + + self.bound_generic_params_stack.truncate(stack_len); + } + fn visit_mac_call(&mut self, mac: &ast::MacCall) { self.cx.span_err(mac.span(), "`derive` cannot be used on items with type macros"); } } - let mut visitor = Visitor { cx, ty_param_names, types: Vec::new() }; + let mut visitor = Visitor { + cx, + ty_param_names, + bound_generic_params_stack: Vec::new(), + type_params: Vec::new(), + }; visit::Visitor::visit_ty(&mut visitor, ty); - visitor.types + visitor.type_params } impl<'a> TraitDef<'a> { @@ -617,11 +647,11 @@ impl<'a> TraitDef<'a> { ty_params.map(|ty_param| ty_param.ident.name).collect(); for field_ty in field_tys { - let tys = find_type_parameters(&field_ty, &ty_param_names, cx); + let field_ty_params = find_type_parameters(&field_ty, &ty_param_names, cx); - for ty in tys { + for field_ty_param in field_ty_params { // if we have already handled this type, skip it - if let ast::TyKind::Path(_, ref p) = ty.kind { + if let ast::TyKind::Path(_, ref p) = field_ty_param.ty.kind { if p.segments.len() == 1 && ty_param_names.contains(&p.segments[0].ident.name) { @@ -639,8 +669,8 @@ impl<'a> TraitDef<'a> { let predicate = ast::WhereBoundPredicate { span: self.span, - bound_generic_params: Vec::new(), - bounded_ty: ty, + bound_generic_params: field_ty_param.bound_generic_params, + bounded_ty: field_ty_param.ty, bounds, }; diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index 1a0a3a0c340..dca9c1f04d3 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -526,7 +526,7 @@ impl<'tcx> FnAbiLlvmExt<'tcx> for FnAbi<'tcx, Ty<'tcx>> { }; match self.ret.mode { PassMode::Direct(ref attrs) => { - attrs.apply_attrs_to_callsite(llvm::AttributePlace::ReturnValue, &bx.cx, callsite); + attrs.apply_attrs_to_callsite(llvm::AttributePlace::ReturnValue, bx.cx, callsite); } PassMode::Indirect { ref attrs, extra_attrs: _, on_stack } => { assert!(!on_stack); diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 9690ad8b246..341a8882416 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -105,7 +105,7 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> { let r = r.unwrap(); // Again, based on how many outputs we have - let outputs = ia.outputs.iter().zip(&outputs).filter(|&(ref o, _)| !o.is_indirect); + let outputs = ia.outputs.iter().zip(&outputs).filter(|&(o, _)| !o.is_indirect); for (i, (_, &place)) in outputs.enumerate() { let v = if num_outputs == 1 { r } else { self.extract_value(r, i as u64) }; OperandValue::Immediate(v).store(self, place); @@ -331,7 +331,7 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> { let output_type = match &output_types[..] { [] => self.type_void(), [ty] => ty, - tys => self.type_struct(&tys, false), + tys => self.type_struct(tys, false), }; let dialect = match asm_arch { InlineAsmArch::X86 | InlineAsmArch::X86_64 diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index 99b30264d09..e2b33509b40 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -109,7 +109,7 @@ fn prepare_lto( .extend(exported_symbols[&cnum].iter().filter_map(symbol_filter)); } - let archive = ArchiveRO::open(&path).expect("wanted an rlib"); + let archive = ArchiveRO::open(path).expect("wanted an rlib"); let obj_files = archive .iter() .filter_map(|child| child.ok().and_then(|c| c.name().map(|name| (name, c)))) @@ -316,14 +316,14 @@ fn fat_lto( .generic_activity_with_arg("LLVM_fat_lto_link_module", format!("{:?}", name)); info!("linking {:?}", name); let data = bc_decoded.data(); - linker.add(&data).map_err(|()| { + linker.add(data).map_err(|()| { let msg = format!("failed to load bc of {:?}", name); - write::llvm_err(&diag_handler, &msg) + write::llvm_err(diag_handler, &msg) })?; serialized_bitcode.push(bc_decoded); } drop(linker); - save_temp_bitcode(&cgcx, &module, "lto.input"); + save_temp_bitcode(cgcx, &module, "lto.input"); // Fat LTO also suffers from the invalid DWARF issue similar to Thin LTO. // Here we rewrite all `DICompileUnit` pointers if there is only one `DICompileUnit`. @@ -347,14 +347,14 @@ fn fat_lto( ptr as *const *const libc::c_char, symbols_below_threshold.len() as libc::size_t, ); - save_temp_bitcode(&cgcx, &module, "lto.after-restriction"); + save_temp_bitcode(cgcx, &module, "lto.after-restriction"); } if cgcx.no_landing_pads { unsafe { llvm::LLVMRustMarkAllFunctionsNounwind(llmod); } - save_temp_bitcode(&cgcx, &module, "lto.after-nounwind"); + save_temp_bitcode(cgcx, &module, "lto.after-nounwind"); } } @@ -498,7 +498,7 @@ fn thin_lto( symbols_below_threshold.as_ptr(), symbols_below_threshold.len() as u32, ) - .ok_or_else(|| write::llvm_err(&diag_handler, "failed to prepare thin LTO context"))?; + .ok_or_else(|| write::llvm_err(diag_handler, "failed to prepare thin LTO context"))?; let data = ThinData(data); @@ -572,7 +572,7 @@ fn thin_lto( if let Some(path) = key_map_path { if let Err(err) = curr_key_map.save_to_file(&path) { let msg = format!("Error while writing ThinLTO key data: {}", err); - return Err(write::llvm_err(&diag_handler, &msg)); + return Err(write::llvm_err(diag_handler, &msg)); } } @@ -744,8 +744,7 @@ pub unsafe fn optimize_thin_module( // crates but for locally codegened modules we may be able to reuse // that LLVM Context and Module. let llcx = llvm::LLVMRustContextCreate(cgcx.fewer_names); - let llmod_raw = - parse_module(llcx, &module_name, thin_module.data(), &diag_handler)? as *const _; + let llmod_raw = parse_module(llcx, module_name, thin_module.data(), &diag_handler)? as *const _; let module = ModuleCodegen { module_llvm: ModuleLlvm { llmod_raw, llcx, tm }, name: thin_module.name().to_string(), @@ -754,7 +753,7 @@ pub unsafe fn optimize_thin_module( { let target = &*module.module_llvm.tm; let llmod = module.module_llvm.llmod(); - save_temp_bitcode(&cgcx, &module, "thin-lto-input"); + save_temp_bitcode(cgcx, &module, "thin-lto-input"); // Before we do much else find the "main" `DICompileUnit` that we'll be // using below. If we find more than one though then rustc has changed @@ -775,7 +774,7 @@ pub unsafe fn optimize_thin_module( .prof .generic_activity_with_arg("LLVM_thin_lto_remove_landing_pads", thin_module.name()); llvm::LLVMRustMarkAllFunctionsNounwind(llmod); - save_temp_bitcode(&cgcx, &module, "thin-lto-after-nounwind"); + save_temp_bitcode(cgcx, &module, "thin-lto-after-nounwind"); } // Up next comes the per-module local analyses that we do for Thin LTO. @@ -947,7 +946,7 @@ pub fn parse_module<'a>( llvm::LLVMRustParseBitcodeForLTO(cx, data.as_ptr(), data.len(), name.as_ptr()).ok_or_else( || { let msg = "failed to parse bitcode for LTO module"; - write::llvm_err(&diag_handler, msg) + write::llvm_err(diag_handler, msg) }, ) } diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index fd91eda4a01..ab48c56a626 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -41,7 +41,7 @@ use std::sync::Arc; pub fn llvm_err(handler: &rustc_errors::Handler, msg: &str) -> FatalError { match llvm::last_error() { Some(err) => handler.fatal(&format!("{}: {}", msg, err)), - None => handler.fatal(&msg), + None => handler.fatal(msg), } } @@ -96,7 +96,7 @@ pub fn create_target_machine(tcx: TyCtxt<'_>, mod_name: &str) -> &'static mut ll None }; let config = TargetMachineFactoryConfig { split_dwarf_file }; - target_machine_factory(&tcx.sess, tcx.backend_optimization_level(()))(config) + target_machine_factory(tcx.sess, tcx.backend_optimization_level(()))(config) .unwrap_or_else(|err| llvm_err(tcx.sess.diagnostic(), &err).raise()) } @@ -558,7 +558,7 @@ pub(crate) unsafe fn optimize( let prepare_for_thin_lto = cgcx.lto == Lto::Thin || cgcx.lto == Lto::ThinLocal || (cgcx.lto != Lto::Fat && cgcx.opts.cg.linker_plugin_lto.enabled()); - with_llvm_pmb(llmod, &config, opt_level, prepare_for_thin_lto, &mut |b| { + with_llvm_pmb(llmod, config, opt_level, prepare_for_thin_lto, &mut |b| { llvm::LLVMRustAddLastExtensionPasses( b, extra_passes.as_ptr(), @@ -660,9 +660,9 @@ pub(crate) fn link( let _timer = cgcx.prof.generic_activity_with_arg("LLVM_link_module", format!("{:?}", module.name)); let buffer = ModuleBuffer::new(module.module_llvm.llmod()); - linker.add(&buffer.data()).map_err(|()| { + linker.add(buffer.data()).map_err(|()| { let msg = format!("failed to serialize module {:?}", module.name); - llvm_err(&diag_handler, &msg) + llvm_err(diag_handler, &msg) })?; } drop(linker); diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index dab7d3eaa8c..9f7b8616d78 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -86,7 +86,7 @@ impl ty::layout::HasParamEnv<'tcx> for Builder<'_, '_, 'tcx> { impl HasTargetSpec for Builder<'_, '_, 'tcx> { #[inline] fn target_spec(&self) -> &Target { - &self.cx.target_spec() + self.cx.target_spec() } } diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs index a96ba148a6c..5d68d2b77d4 100644 --- a/compiler/rustc_codegen_llvm/src/callee.rs +++ b/compiler/rustc_codegen_llvm/src/callee.rs @@ -44,7 +44,7 @@ pub fn get_fn(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) -> &'ll Value let fn_abi = cx.fn_abi_of_instance(instance, ty::List::empty()); - let llfn = if let Some(llfn) = cx.get_declared_value(&sym) { + let llfn = if let Some(llfn) = cx.get_declared_value(sym) { // Create a fn pointer with the new signature. let llptrty = fn_abi.ptr_to_llvm_type(cx); @@ -79,7 +79,7 @@ pub fn get_fn(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) -> &'ll Value llfn } } else { - let llfn = cx.declare_fn(&sym, &fn_abi); + let llfn = cx.declare_fn(sym, fn_abi); debug!("get_fn: not casting pointer!"); attributes::from_fn_attrs(cx, llfn, instance); diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index ef3a90fdeca..1afa6f02836 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -178,7 +178,7 @@ fn check_and_apply_linkage( }; unsafe { // Declare a symbol `foo` with the desired linkage. - let g1 = cx.declare_global(&sym, llty2); + let g1 = cx.declare_global(sym, llty2); llvm::LLVMRustSetLinkage(g1, base::linkage_to_llvm(linkage)); // Declare an internal global `extern_with_linkage_foo` which @@ -188,7 +188,7 @@ fn check_and_apply_linkage( // `extern_with_linkage_foo` will instead be initialized to // zero. let mut real_name = "_rust_extern_with_linkage_".to_string(); - real_name.push_str(&sym); + real_name.push_str(sym); let g2 = cx.define_global(&real_name, llty).unwrap_or_else(|| { cx.sess().span_fatal( cx.tcx.def_span(span_def_id), @@ -202,7 +202,7 @@ fn check_and_apply_linkage( } else { // Generate an external declaration. // FIXME(nagisa): investigate whether it can be changed into define_global - cx.declare_global(&sym, llty) + cx.declare_global(sym, llty) } } @@ -234,7 +234,7 @@ impl CodegenCx<'ll, 'tcx> { _ => self.define_private_global(self.val_ty(cv)), }; llvm::LLVMSetInitializer(gv, cv); - set_global_alignment(&self, gv, align); + set_global_alignment(self, gv, align); llvm::SetUnnamedAddress(gv, llvm::UnnamedAddr::Global); gv } @@ -279,7 +279,7 @@ impl CodegenCx<'ll, 'tcx> { g } else { - check_and_apply_linkage(&self, &fn_attrs, ty, sym, def_id) + check_and_apply_linkage(self, fn_attrs, ty, sym, def_id) }; // Thread-local statics in some other crate need to *always* be linked @@ -369,7 +369,7 @@ impl StaticMethods for CodegenCx<'ll, 'tcx> { unsafe { let attrs = self.tcx.codegen_fn_attrs(def_id); - let (v, alloc) = match codegen_static_initializer(&self, def_id) { + let (v, alloc) = match codegen_static_initializer(self, def_id) { Ok(v) => v, // Error has already been reported Err(_) => return, @@ -417,7 +417,7 @@ impl StaticMethods for CodegenCx<'ll, 'tcx> { self.statics_to_rauw.borrow_mut().push((g, new_g)); new_g }; - set_global_alignment(&self, g, self.align_of(ty)); + set_global_alignment(self, g, self.align_of(ty)); llvm::LLVMSetInitializer(g, v); if self.should_assume_dso_local(g, true) { @@ -430,7 +430,7 @@ impl StaticMethods for CodegenCx<'ll, 'tcx> { llvm::LLVMSetGlobalConstant(g, llvm::True); } - debuginfo::create_global_var_metadata(&self, def_id, g); + debuginfo::create_global_var_metadata(self, def_id, g); if attrs.flags.contains(CodegenFnAttrFlags::THREAD_LOCAL) { llvm::set_thread_local_mode(g, self.tls_model); @@ -518,7 +518,7 @@ impl StaticMethods for CodegenCx<'ll, 'tcx> { ); } } else { - base::set_link_section(g, &attrs); + base::set_link_section(g, attrs); } if attrs.flags.contains(CodegenFnAttrFlags::USED) { diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 7bdbec11d60..257a0ac89d8 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -363,7 +363,7 @@ impl<'ll, 'tcx> CodegenCx<'ll, 'tcx> { fn create_used_variable_impl(&self, name: &'static CStr, values: &[&'ll Value]) { let section = cstr!("llvm.metadata"); - let array = self.const_array(&self.type_ptr_to(self.type_i8()), values); + let array = self.const_array(self.type_ptr_to(self.type_i8()), values); unsafe { let g = llvm::LLVMAddGlobal(self.llmod, self.val_ty(array), name.as_ptr()); @@ -447,7 +447,7 @@ impl MiscMethods<'tcx> for CodegenCx<'ll, 'tcx> { } fn sess(&self) -> &Session { - &self.tcx.sess + self.tcx.sess } fn check_overflow(&self) -> bool { diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs index d2a2e739ff3..6830864ba04 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs @@ -73,7 +73,7 @@ pub fn finalize<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) { mapgen.write_coverage_mapping(expressions, counter_regions, coverage_mapping_buffer); }); debug_assert!( - coverage_mapping_buffer.len() > 0, + !coverage_mapping_buffer.is_empty(), "Every `FunctionCoverage` should have at least one counter" ); @@ -311,8 +311,7 @@ fn add_unused_functions<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) { // for each region in it's MIR. // Convert the `HashSet` of `codegenned_def_ids` to a sortable vector, and sort them. - let mut sorted_codegenned_def_ids: Vec<DefId> = - codegenned_def_ids.iter().map(|def_id| *def_id).collect(); + let mut sorted_codegenned_def_ids: Vec<DefId> = codegenned_def_ids.iter().copied().collect(); sorted_codegenned_def_ids.sort_unstable(); let mut first_covered_def_id_by_file: FxHashMap<Symbol, DefId> = FxHashMap::default(); diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs index 093aceda2b7..ef11e2972ea 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs @@ -199,8 +199,8 @@ fn declare_unused_fn(cx: &CodegenCx<'ll, 'tcx>, def_id: &DefId) -> Instance<'tcx ); let llfn = cx.declare_fn( - &tcx.symbol_name(instance).name, - &cx.fn_abi_of_fn_ptr( + tcx.symbol_name(instance).name, + cx.fn_abi_of_fn_ptr( ty::Binder::dummy(tcx.mk_fn_sig( iter::once(tcx.mk_unit()), tcx.mk_unit(), diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs index 1612922d439..58f8573a2ac 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs @@ -41,7 +41,7 @@ pub fn compute_mir_scopes( // Instantiate all scopes. for idx in 0..mir.source_scopes.len() { let scope = SourceScope::new(idx); - make_mir_scope(cx, instance, &mir, fn_dbg_scope, &has_variables, debug_context, scope); + make_mir_scope(cx, instance, mir, fn_dbg_scope, &has_variables, debug_context, scope); } } @@ -94,7 +94,7 @@ fn make_mir_scope( callee, ); let callee_fn_abi = cx.fn_abi_of_instance(callee, ty::List::empty()); - cx.dbg_scope_fn(callee, &callee_fn_abi, None) + cx.dbg_scope_fn(callee, callee_fn_abi, None) } None => unsafe { llvm::LLVMRustDIBuilderCreateLexicalBlock( diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs b/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs index c33d35cc285..ae1f83d944f 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs @@ -59,10 +59,8 @@ pub fn get_or_insert_gdb_debug_scripts_section_global(cx: &CodegenCx<'ll, '_>) - } pub fn needs_gdb_debug_scripts_section(cx: &CodegenCx<'_, '_>) -> bool { - let omit_gdb_pretty_printer_section = cx - .tcx - .sess - .contains_name(&cx.tcx.hir().krate_attrs(), sym::omit_gdb_pretty_printer_section); + let omit_gdb_pretty_printer_section = + cx.tcx.sess.contains_name(cx.tcx.hir().krate_attrs(), sym::omit_gdb_pretty_printer_section); !omit_gdb_pretty_printer_section && cx.sess().opts.debuginfo != DebugInfo::None diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 9272435a330..f6ec5e6395f 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -477,7 +477,7 @@ fn subroutine_type_metadata( let signature_metadata: Vec<_> = iter::once( // return type match signature.output().kind() { - ty::Tuple(ref tys) if tys.is_empty() => None, + ty::Tuple(tys) if tys.is_empty() => None, _ => Some(type_metadata(cx, signature.output(), span)), }, ) @@ -647,7 +647,7 @@ pub fn type_metadata(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>, usage_site_span: Sp ty::Never | ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) => { MetadataCreationResult::new(basic_type_metadata(cx, t), false) } - ty::Tuple(ref elements) if elements.is_empty() => { + ty::Tuple(elements) if elements.is_empty() => { MetadataCreationResult::new(basic_type_metadata(cx, t), false) } ty::Array(typ, _) | ty::Slice(typ) => { @@ -746,7 +746,7 @@ pub fn type_metadata(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>, usage_site_span: Sp .finalize(cx) } }, - ty::Tuple(ref elements) => { + ty::Tuple(elements) => { let tys: Vec<_> = elements.iter().map(|k| k.expect_ty()).collect(); prepare_tuple_metadata(cx, t, &tys, unique_type_id, usage_site_span, NO_SCOPE_METADATA) .finalize(cx) @@ -932,7 +932,7 @@ fn basic_type_metadata(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>) -> &'ll DIType { let (name, encoding) = match t.kind() { ty::Never => ("!", DW_ATE_unsigned), - ty::Tuple(ref elements) if elements.is_empty() => ("()", DW_ATE_unsigned), + ty::Tuple(elements) if elements.is_empty() => ("()", DW_ATE_unsigned), ty::Bool => ("bool", DW_ATE_boolean), ty::Char => ("char", DW_ATE_unsigned_char), ty::Int(int_ty) if msvc_like_names => (int_ty.msvc_basic_name(), DW_ATE_signed), @@ -1123,7 +1123,7 @@ pub fn compile_unit_metadata( let gcov_cu_info = [ path_to_mdstring(debug_context.llcontext, &output_filenames.with_extension("gcno")), - path_to_mdstring(debug_context.llcontext, &gcda_path), + path_to_mdstring(debug_context.llcontext, gcda_path), cu_desc_metadata, ]; let gcov_metadata = llvm::LLVMMDNodeInContext( @@ -1963,17 +1963,13 @@ impl<'tcx> VariantInfo<'_, 'tcx> { } fn source_info(&self, cx: &CodegenCx<'ll, 'tcx>) -> Option<SourceInfo<'ll>> { - match self { - VariantInfo::Generator { def_id, variant_index, .. } => { - let span = cx.tcx.generator_layout(*def_id).unwrap().variant_source_info - [*variant_index] - .span; - if !span.is_dummy() { - let loc = cx.lookup_debug_loc(span.lo()); - return Some(SourceInfo { file: file_metadata(cx, &loc.file), line: loc.line }); - } + if let VariantInfo::Generator { def_id, variant_index, .. } = self { + let span = + cx.tcx.generator_layout(*def_id).unwrap().variant_source_info[*variant_index].span; + if !span.is_dummy() { + let loc = cx.lookup_debug_loc(span.lo()); + return Some(SourceInfo { file: file_metadata(cx, &loc.file), line: loc.line }); } - _ => {} } None } @@ -1994,11 +1990,11 @@ fn describe_enum_variant( let unique_type_id = debug_context(cx) .type_map .borrow_mut() - .get_unique_type_id_of_enum_variant(cx, layout.ty, &variant_name); + .get_unique_type_id_of_enum_variant(cx, layout.ty, variant_name); create_struct_stub( cx, layout.ty, - &variant_name, + variant_name, unique_type_id, Some(containing_scope), DIFlags::FlagZero, @@ -2385,7 +2381,7 @@ fn set_members_of_composite_type( { let mut composite_types_completed = debug_context(cx).composite_types_completed.borrow_mut(); - if !composite_types_completed.insert(&composite_type_metadata) { + if !composite_types_completed.insert(composite_type_metadata) { bug!( "debuginfo::set_members_of_composite_type() - \ Already completed forward declaration re-encountered." diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index fbaf8c8bdf6..894320a7982 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -328,7 +328,7 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> { // name if necessary. let generics = self.tcx().generics_of(enclosing_fn_def_id); let substs = instance.substs.truncate_to(self.tcx(), generics); - let template_parameters = get_template_parameters(self, &generics, substs, &mut name); + let template_parameters = get_template_parameters(self, generics, substs, &mut name); let linkage_name = &mangled_name_of_instance(self, instance).name; // Omit the linkage_name if it is the same as subprogram name. @@ -559,7 +559,7 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> { scope_metadata: &'ll DIScope, file: &rustc_span::SourceFile, ) -> &'ll DILexicalBlock { - metadata::extend_scope_to_file(&self, scope_metadata, file) + metadata::extend_scope_to_file(self, scope_metadata, file) } fn debuginfo_finalize(&self) { diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index be55a0c868a..22dc8d101c8 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -71,7 +71,7 @@ fn get_simple_intrinsic(cx: &CodegenCx<'ll, '_>, name: Symbol) -> Option<(&'ll T sym::roundf64 => "llvm.round.f64", _ => return None, }; - Some(cx.get_intrinsic(&llvm_name)) + Some(cx.get_intrinsic(llvm_name)) } impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> { @@ -743,7 +743,7 @@ fn gen_fn<'ll, 'tcx>( ) -> (&'ll Type, &'ll Value) { let fn_abi = cx.fn_abi_of_fn_ptr(rust_fn_sig, ty::List::empty()); let llty = fn_abi.llvm_type(cx); - let llfn = cx.declare_fn(name, &fn_abi); + let llfn = cx.declare_fn(name, fn_abi); cx.set_frame_pointer_type(llfn); cx.apply_target_cpu_attr(llfn); // FIXME(eddyb) find a nicer way to do this. @@ -1159,7 +1159,7 @@ fn generic_simd_intrinsic( _ => return_error!("unrecognized intrinsic `{}`", name), }; let llvm_name = &format!("llvm.{0}.v{1}{2}", intr_name, in_len, elem_ty_str); - let f = bx.declare_cfn(&llvm_name, llvm::UnnamedAddr::No, fn_ty); + let f = bx.declare_cfn(llvm_name, llvm::UnnamedAddr::No, fn_ty); let c = bx.call(fn_ty, f, &args.iter().map(|arg| arg.immediate()).collect::<Vec<_>>(), None); Ok(c) @@ -1793,7 +1793,7 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#, let vec_ty = bx.cx.type_vector(elem_ty, in_len as u64); let fn_ty = bx.type_func(&[vec_ty, vec_ty], vec_ty); - let f = bx.declare_cfn(&llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); + let f = bx.declare_cfn(llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); let v = bx.call(fn_ty, f, &[lhs, rhs], None); return Ok(v); } diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index c44cc656056..8f4d79e7147 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -339,7 +339,7 @@ impl ModuleLlvm { unsafe { let llcx = llvm::LLVMRustContextCreate(cgcx.fewer_names); let llmod_raw = back::lto::parse_module(llcx, name, buffer, handler)?; - let tm_factory_config = TargetMachineFactoryConfig::new(&cgcx, name.to_str().unwrap()); + let tm_factory_config = TargetMachineFactoryConfig::new(cgcx, name.to_str().unwrap()); let tm = match (cgcx.tm_factory)(tm_factory_config) { Ok(m) => m, Err(e) => { diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index d8c2a345fb0..436d906827b 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -789,7 +789,7 @@ pub mod coverageinfo { start_line, start_col, end_line, - end_col: ((1 as u32) << 31) | end_col, + end_col: (1_u32 << 31) | end_col, kind: RegionKind::GapRegion, } } diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index f9172e43773..c5deb11edd0 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -298,7 +298,7 @@ fn print_target_features(sess: &Session, tm: &llvm::TargetMachine) { for (feature, desc) in &target_features { println!(" {1:0$} - {2}.", max_feature_len, feature, desc); } - if target_features.len() == 0 { + if target_features.is_empty() { println!(" Target features listing is not supported by this LLVM version."); } println!("\nUse +feature to enable a feature, or -feature to disable it."); diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index b9022a391e6..88498cf47d8 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -53,10 +53,10 @@ impl PreDefineMethods<'tcx> for CodegenCx<'ll, 'tcx> { assert!(!instance.substs.needs_infer()); let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty()); - let lldecl = self.declare_fn(symbol_name, &fn_abi); + let lldecl = self.declare_fn(symbol_name, fn_abi); unsafe { llvm::LLVMRustSetLinkage(lldecl, base::linkage_to_llvm(linkage)) }; let attrs = self.tcx.codegen_fn_attrs(instance.def_id()); - base::set_link_section(lldecl, &attrs); + base::set_link_section(lldecl, attrs); if linkage == Linkage::LinkOnceODR || linkage == Linkage::WeakODR { llvm::SetUniqueComdat(self.llmod, lldecl); } @@ -145,10 +145,6 @@ impl CodegenCx<'ll, 'tcx> { // With pie relocation model calls of functions defined in the translation // unit can use copy relocations. - if self.tcx.sess.relocation_model() == RelocModel::Pie && !is_declaration { - return true; - } - - return false; + self.tcx.sess.relocation_model() == RelocModel::Pie && !is_declaration } } diff --git a/compiler/rustc_codegen_llvm/src/type_.rs b/compiler/rustc_codegen_llvm/src/type_.rs index c7f4287e28e..2ae0a08f192 100644 --- a/compiler/rustc_codegen_llvm/src/type_.rs +++ b/compiler/rustc_codegen_llvm/src/type_.rs @@ -248,7 +248,7 @@ impl Type { } fn ptr_to(&self, address_space: AddressSpace) -> &Type { - unsafe { llvm::LLVMPointerType(&self, address_space.0) } + unsafe { llvm::LLVMPointerType(self, address_space.0) } } } diff --git a/compiler/rustc_codegen_llvm/src/type_of.rs b/compiler/rustc_codegen_llvm/src/type_of.rs index 9e03fc33ae0..f8c919ec2aa 100644 --- a/compiler/rustc_codegen_llvm/src/type_of.rs +++ b/compiler/rustc_codegen_llvm/src/type_of.rs @@ -232,7 +232,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> { cx.type_ptr_to(cx.layout_of(self.ty.boxed_ty()).llvm_type(cx)) } ty::FnPtr(sig) => { - cx.fn_ptr_backend_type(&cx.fn_abi_of_fn_ptr(sig, ty::List::empty())) + cx.fn_ptr_backend_type(cx.fn_abi_of_fn_ptr(sig, ty::List::empty())) } _ => self.scalar_llvm_type_at(cx, scalar, Size::ZERO), }; @@ -245,7 +245,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> { Variants::Single { index } => Some(index), _ => None, }; - if let Some(ref llty) = cx.type_lowering.borrow().get(&(self.ty, variant_index)) { + if let Some(llty) = cx.type_lowering.borrow().get(&(self.ty, variant_index)) { return llty.lltype; } @@ -270,10 +270,9 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> { }; debug!("--> mapped {:#?} to llty={:?}", self, llty); - cx.type_lowering.borrow_mut().insert( - (self.ty, variant_index), - TypeLowering { lltype: llty, field_remapping: field_remapping }, - ); + cx.type_lowering + .borrow_mut() + .insert((self.ty, variant_index), TypeLowering { lltype: llty, field_remapping }); if let Some((llty, layout)) = defer { let (llfields, packed, new_field_remapping) = struct_llfields(cx, layout); diff --git a/compiler/rustc_codegen_llvm/src/va_arg.rs b/compiler/rustc_codegen_llvm/src/va_arg.rs index caafae6c267..591f659f11b 100644 --- a/compiler/rustc_codegen_llvm/src/va_arg.rs +++ b/compiler/rustc_codegen_llvm/src/va_arg.rs @@ -125,7 +125,7 @@ fn emit_aapcs_va_arg( // if the offset >= 0 then the value will be on the stack let mut reg_off_v = bx.load(bx.type_i32(), reg_off, offset_align); let use_stack = bx.icmp(IntPredicate::IntSGE, reg_off_v, zero); - bx.cond_br(use_stack, &on_stack.llbb(), &maybe_reg.llbb()); + bx.cond_br(use_stack, on_stack.llbb(), maybe_reg.llbb()); // The value at this point might be in a register, but there is a chance that // it could be on the stack so we have to update the offset and then check @@ -142,7 +142,7 @@ fn emit_aapcs_va_arg( // Check to see if we have overflowed the registers as a result of this. // If we have then we need to use the stack for this value let use_stack = maybe_reg.icmp(IntPredicate::IntSGT, new_reg_off_v, zero); - maybe_reg.cond_br(use_stack, &on_stack.llbb(), &in_reg.llbb()); + maybe_reg.cond_br(use_stack, on_stack.llbb(), in_reg.llbb()); let top_type = bx.type_i8p(); let top = in_reg.struct_gep(va_list_ty, va_list_addr, reg_top_index); @@ -158,17 +158,17 @@ fn emit_aapcs_va_arg( let reg_type = layout.llvm_type(bx); let reg_addr = in_reg.bitcast(reg_addr, bx.cx.type_ptr_to(reg_type)); let reg_value = in_reg.load(reg_type, reg_addr, layout.align.abi); - in_reg.br(&end.llbb()); + in_reg.br(end.llbb()); // On Stack block let stack_value = emit_ptr_va_arg(&mut on_stack, list, target_ty, false, Align::from_bytes(8).unwrap(), true); - on_stack.br(&end.llbb()); + on_stack.br(end.llbb()); let val = end.phi( layout.immediate_llvm_type(bx), &[reg_value, stack_value], - &[&in_reg.llbb(), &on_stack.llbb()], + &[in_reg.llbb(), on_stack.llbb()], ); *bx = end; diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index 4c6a2baaef1..7fd7f6b1340 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -128,7 +128,7 @@ impl Callbacks for TimePassesCallbacks { } pub fn diagnostics_registry() -> Registry { - Registry::new(&rustc_error_codes::DIAGNOSTICS) + Registry::new(rustc_error_codes::DIAGNOSTICS) } /// This is the primary entry point for rustc. @@ -265,8 +265,8 @@ fn run_compiler( &***compiler.codegen_backend(), compiler.session(), None, - &compiler.output_dir(), - &compiler.output_file(), + compiler.output_dir(), + compiler.output_file(), ); if should_stop == Compilation::Stop { @@ -330,7 +330,7 @@ fn run_compiler( let krate = queries.parse()?.take(); pretty::print_after_parsing( sess, - &compiler.input(), + compiler.input(), &krate, *ppm, compiler.output_file().as_ref().map(|p| &**p), @@ -356,7 +356,7 @@ fn run_compiler( // Lint plugins are registered; now we can process command line flags. if sess.opts.describe_lints { - describe_lints(&sess, &lint_store, true); + describe_lints(sess, lint_store, true); return early_exit(); } } @@ -388,7 +388,7 @@ fn run_compiler( save::process_crate( tcx, &crate_name, - &compiler.input(), + compiler.input(), None, DumpHandler::new( compiler.output_dir().as_ref().map(|p| &**p), @@ -598,7 +598,7 @@ impl RustcDefaultCalls { if let Input::File(file) = compiler.input() { // FIXME: #![crate_type] and #![crate_name] support not implemented yet sess.init_crate_types(collect_crate_types(sess, &[])); - let outputs = compiler.build_output_filenames(&sess, &[]); + let outputs = compiler.build_output_filenames(sess, &[]); let rlink_data = fs::read_to_string(file).unwrap_or_else(|err| { sess.fatal(&format!("failed to read rlink file: {}", err)); }); @@ -606,7 +606,7 @@ impl RustcDefaultCalls { json::decode(&rlink_data).unwrap_or_else(|err| { sess.fatal(&format!("failed to decode rlink: {}", err)); }); - let result = compiler.codegen_backend().link(&sess, codegen_results, &outputs); + let result = compiler.codegen_backend().link(sess, codegen_results, &outputs); abort_on_err(result, sess); } else { sess.fatal("rlink must be a file") @@ -894,9 +894,9 @@ Available lint options: }; println!("Lint groups provided by rustc:\n"); - println!(" {} {}", padded("name"), "sub-lints"); - println!(" {} {}", padded("----"), "---------"); - println!(" {} {}", padded("warnings"), "all lints that are set to issue warnings"); + println!(" {} sub-lints", padded("name")); + println!(" {} ---------", padded("----")); + println!(" {} all lints that are set to issue warnings", padded("warnings")); let print_lint_groups = |lints: Vec<(&'static str, Vec<LintId>)>| { for (name, to) in lints { @@ -1217,7 +1217,7 @@ pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) { } for note in &xs { - handler.note_without_error(¬e); + handler.note_without_error(note); } // If backtraces are enabled, also print the query stack @@ -1326,7 +1326,7 @@ mod signal_handler { std::alloc::alloc(std::alloc::Layout::from_size_align(ALT_STACK_SIZE, 1).unwrap()) as *mut libc::c_void; alt_stack.ss_size = ALT_STACK_SIZE; - libc::sigaltstack(&mut alt_stack, std::ptr::null_mut()); + libc::sigaltstack(&alt_stack, std::ptr::null_mut()); let mut sa: libc::sigaction = std::mem::zeroed(); sa.sa_sigaction = print_stack_trace as libc::sighandler_t; diff --git a/compiler/rustc_driver/src/pretty.rs b/compiler/rustc_driver/src/pretty.rs index ff8920863b1..e52eef0fcbd 100644 --- a/compiler/rustc_driver/src/pretty.rs +++ b/compiler/rustc_driver/src/pretty.rs @@ -296,7 +296,7 @@ struct TypedAnnotation<'tcx> { impl<'tcx> HirPrinterSupport<'tcx> for TypedAnnotation<'tcx> { fn sess(&self) -> &Session { - &self.tcx.sess + self.tcx.sess } fn hir_map(&self) -> Option<hir_map::Map<'tcx>> { @@ -347,8 +347,7 @@ impl<'tcx> pprust_hir::PpAnn for TypedAnnotation<'tcx> { fn get_source(input: &Input, sess: &Session) -> (String, FileName) { let src_name = input.source_name(); let src = String::clone( - &sess - .source_map() + sess.source_map() .get_source_file(&src_name) .expect("get_source_file") .src diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 45dd8868d6c..c44d4361f03 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -2533,7 +2533,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { /// within `?` desugaring. pub fn is_try_conversion(&self, span: Span, trait_def_id: DefId) -> bool { span.is_desugaring(DesugaringKind::QuestionMark) - && self.tcx.is_diagnostic_item(sym::from_trait, trait_def_id) + && self.tcx.is_diagnostic_item(sym::From, trait_def_id) } } diff --git a/compiler/rustc_interface/src/callbacks.rs b/compiler/rustc_interface/src/callbacks.rs index 95bd2993456..3c7908fae79 100644 --- a/compiler/rustc_interface/src/callbacks.rs +++ b/compiler/rustc_interface/src/callbacks.rs @@ -41,7 +41,7 @@ fn track_span_parent(def_id: rustc_span::def_id::LocalDefId) { fn track_diagnostic(diagnostic: &Diagnostic) { tls::with_context_opt(|icx| { if let Some(icx) = icx { - if let Some(ref diagnostics) = icx.diagnostics { + if let Some(diagnostics) = icx.diagnostics { let mut diagnostics = diagnostics.lock(); diagnostics.extend(Some(diagnostic.clone())); } diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index 8393826aa12..0861bd290df 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -65,13 +65,7 @@ impl Compiler { sess: &Session, attrs: &[ast::Attribute], ) -> OutputFilenames { - util::build_output_filenames( - &self.input, - &self.output_dir, - &self.output_file, - &attrs, - &sess, - ) + util::build_output_filenames(&self.input, &self.output_dir, &self.output_file, attrs, sess) } } diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 25a110e0297..a221746f975 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -169,7 +169,7 @@ pub fn create_resolver( ) -> BoxedResolver { tracing::trace!("create_resolver"); BoxedResolver::new(sess, move |sess, resolver_arenas| { - Resolver::new(sess, &krate, &crate_name, metadata_loader, &resolver_arenas) + Resolver::new(sess, krate, crate_name, metadata_loader, resolver_arenas) }) } @@ -201,7 +201,7 @@ pub fn register_plugins<'a>( sess.opts.cg.metadata.clone(), ); sess.stable_crate_id.set(stable_crate_id).expect("not yet initialized"); - rustc_incremental::prepare_session_directory(sess, &crate_name, stable_crate_id)?; + rustc_incremental::prepare_session_directory(sess, crate_name, stable_crate_id)?; if sess.opts.incremental.is_some() { sess.time("incr_comp_garbage_collect_session_directories", || { @@ -219,7 +219,7 @@ pub fn register_plugins<'a>( sess.opts.debugging_opts.no_interleave_lints, sess.unstable_options(), ); - register_lints(&sess, &mut lint_store); + register_lints(sess, &mut lint_store); let registrars = sess.time("plugin_loading", || plugin::load::load_plugins(sess, metadata_loader, &krate)); @@ -244,7 +244,7 @@ fn pre_expansion_lint( rustc_lint::check_ast_crate( sess, lint_store, - &krate, + krate, crate_attrs, true, None, @@ -270,10 +270,10 @@ pub fn configure_and_expand( krate = sess.time("crate_injection", || { let alt_std_name = sess.opts.alt_std_name.as_ref().map(|s| Symbol::intern(s)); - rustc_builtin_macros::standard_library_imports::inject(krate, resolver, &sess, alt_std_name) + rustc_builtin_macros::standard_library_imports::inject(krate, resolver, sess, alt_std_name) }); - util::check_attr_crate_type(&sess, &krate.attrs, &mut resolver.lint_buffer()); + util::check_attr_crate_type(sess, &krate.attrs, &mut resolver.lint_buffer()); // Expand all macros krate = sess.time("macro_expand_crate", || { @@ -310,9 +310,9 @@ pub fn configure_and_expand( // Create the config for macro expansion let features = sess.features_untracked(); - let recursion_limit = get_recursion_limit(&krate.attrs, &sess); + let recursion_limit = get_recursion_limit(&krate.attrs, sess); let cfg = rustc_expand::expand::ExpansionConfig { - features: Some(&features), + features: Some(features), recursion_limit, trace_mac: sess.opts.debugging_opts.trace_macros, should_test: sess.opts.test, @@ -327,7 +327,7 @@ pub fn configure_and_expand( pre_expansion_lint(sess, lint_store, &krate, &crate_attrs, &ident.name.as_str()); (krate.attrs, krate.items) }; - let mut ecx = ExtCtxt::new(&sess, cfg, resolver, Some(&extern_mod_loaded)); + let mut ecx = ExtCtxt::new(sess, cfg, resolver, Some(&extern_mod_loaded)); // Expand macros now! let krate = sess.time("expand_crate", || ecx.monotonic_expander().expand_crate(krate)); @@ -369,7 +369,7 @@ pub fn configure_and_expand( })?; sess.time("maybe_building_test_harness", || { - rustc_builtin_macros::test_harness::inject(&sess, resolver, &mut krate) + rustc_builtin_macros::test_harness::inject(sess, resolver, &mut krate) }); if let Some(PpMode::Source(PpSourceMode::EveryBodyLoops)) = sess.opts.pretty { @@ -392,8 +392,8 @@ pub fn configure_and_expand( // start passing '--crate-type proc-macro' if has_proc_macro_decls && sess.opts.actually_rustdoc && !is_proc_macro_crate { let mut msg = sess.diagnostic().struct_warn( - &"Trying to document proc macro crate \ - without passing '--crate-type proc-macro to rustdoc", + "Trying to document proc macro crate \ + without passing '--crate-type proc-macro to rustdoc", ); msg.warn("The generated documentation may be incorrect"); @@ -403,7 +403,7 @@ pub fn configure_and_expand( let num_crate_types = crate_types.len(); let is_test_crate = sess.opts.test; rustc_builtin_macros::proc_macro_harness::inject( - &sess, + sess, resolver, krate, is_proc_macro_crate, @@ -691,7 +691,7 @@ pub fn prepare_outputs( ); let output_paths = - generated_output_paths(sess, &outputs, compiler.output_file.is_some(), &crate_name); + generated_output_paths(sess, &outputs, compiler.output_file.is_some(), crate_name); // Ensure the source file isn't accidentally overwritten during compilation. if let Some(ref input_path) = compiler.input_path { @@ -832,7 +832,7 @@ pub fn create_global_ctxt<'tcx>( dep_graph, queries.on_disk_cache.as_ref().map(OnDiskCache::as_dyn), queries.as_dyn(), - &crate_name, + crate_name, outputs, ) }) diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs index a71b59b9d49..f188ad35605 100644 --- a/compiler/rustc_interface/src/queries.rs +++ b/compiler/rustc_interface/src/queries.rs @@ -110,7 +110,7 @@ impl<'tcx> Queries<'tcx> { &self.compiler.sess } fn codegen_backend(&self) -> &Lrc<Box<dyn CodegenBackend>> { - &self.compiler.codegen_backend() + self.compiler.codegen_backend() } fn dep_graph_future(&self) -> Result<&Query<Option<DepGraphFuture>>> { @@ -181,7 +181,7 @@ impl<'tcx> Queries<'tcx> { &crate_name, ); let krate = resolver.access(|resolver| { - passes::configure_and_expand(&sess, &lint_store, krate, &crate_name, resolver) + passes::configure_and_expand(sess, &lint_store, krate, &crate_name, resolver) })?; Ok((Rc::new(krate), Rc::new(RefCell::new(resolver)), lint_store)) }) @@ -343,7 +343,7 @@ impl Linker { let sess = &self.sess; let dep_graph = self.dep_graph; sess.time("serialize_work_products", || { - rustc_incremental::save_work_product_index(&sess, &dep_graph, work_products) + rustc_incremental::save_work_product_index(sess, &dep_graph, work_products) }); let prof = self.sess.prof.clone(); @@ -386,7 +386,7 @@ impl Compiler { F: for<'tcx> FnOnce(&'tcx Queries<'tcx>) -> T, { let mut _timer = None; - let queries = Queries::new(&self); + let queries = Queries::new(self); let ret = f(&queries); // NOTE: intentionally does not compute the global context if it hasn't been built yet, diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index a1d1b63c8fa..cffb087af18 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -402,7 +402,7 @@ pub fn get_codegen_sysroot( .iter() .chain(sysroot_candidates.iter()) .map(|sysroot| { - filesearch::make_target_lib_path(&sysroot, &target).with_file_name("codegen-backends") + filesearch::make_target_lib_path(sysroot, target).with_file_name("codegen-backends") }) .find(|f| { info!("codegen backend candidate: {}", f.display()); @@ -619,7 +619,7 @@ pub fn build_output_filenames( .opts .crate_name .clone() - .or_else(|| rustc_attr::find_crate_name(&sess, attrs).map(|n| n.to_string())) + .or_else(|| rustc_attr::find_crate_name(sess, attrs).map(|n| n.to_string())) .unwrap_or_else(|| input.filestem().to_owned()); OutputFilenames::new( diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 4513c8329ca..9b6493222e6 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -812,7 +812,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDebugImplementations { _ => return, } - let debug = match cx.tcx.get_diagnostic_item(sym::debug_trait) { + let debug = match cx.tcx.get_diagnostic_item(sym::Debug) { Some(debug) => debug, None => return, }; diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 8a4a7089437..a4940e5aae7 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -33,9 +33,9 @@ impl LateLintPass<'_> for DefaultHashTypes { // don't lint imports, only actual usages return; } - let replace = if cx.tcx.is_diagnostic_item(sym::hashmap_type, def_id) { + let replace = if cx.tcx.is_diagnostic_item(sym::HashMap, def_id) { "FxHashMap" - } else if cx.tcx.is_diagnostic_item(sym::hashset_type, def_id) { + } else if cx.tcx.is_diagnostic_item(sym::HashSet, def_id) { "FxHashSet" } else { return; diff --git a/compiler/rustc_lint/src/methods.rs b/compiler/rustc_lint/src/methods.rs index 8732845af0c..5558947de0c 100644 --- a/compiler/rustc_lint/src/methods.rs +++ b/compiler/rustc_lint/src/methods.rs @@ -84,7 +84,7 @@ fn lint_cstring_as_ptr( ) { let source_type = cx.typeck_results().expr_ty(source); if let ty::Adt(def, substs) = source_type.kind() { - if cx.tcx.is_diagnostic_item(sym::result_type, def.did) { + if cx.tcx.is_diagnostic_item(sym::Result, def.did) { if let ty::Adt(adt, _) = substs.type_at(0).kind() { if cx.tcx.is_diagnostic_item(sym::cstring_type, adt.did) { cx.struct_span_lint(TEMPORARY_CSTRING_AS_PTR, as_ptr_span, |diag| { diff --git a/compiler/rustc_lint/src/non_fmt_panic.rs b/compiler/rustc_lint/src/non_fmt_panic.rs index ae9c5ce5c3c..b945c764320 100644 --- a/compiler/rustc_lint/src/non_fmt_panic.rs +++ b/compiler/rustc_lint/src/non_fmt_panic.rs @@ -130,14 +130,14 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc ty::Ref(_, r, _) if *r.kind() == ty::Str, ) || matches!( ty.ty_adt_def(), - Some(ty_def) if cx.tcx.is_diagnostic_item(sym::string_type, ty_def.did), + Some(ty_def) if cx.tcx.is_diagnostic_item(sym::String, ty_def.did), ); let (suggest_display, suggest_debug) = cx.tcx.infer_ctxt().enter(|infcx| { - let display = is_str || cx.tcx.get_diagnostic_item(sym::display_trait).map(|t| { + let display = is_str || cx.tcx.get_diagnostic_item(sym::Display).map(|t| { infcx.type_implements_trait(t, ty, InternalSubsts::empty(), cx.param_env).may_apply() }) == Some(true); - let debug = !display && cx.tcx.get_diagnostic_item(sym::debug_trait).map(|t| { + let debug = !display && cx.tcx.get_diagnostic_item(sym::Debug).map(|t| { infcx.type_implements_trait(t, ty, InternalSubsts::empty(), cx.param_env).may_apply() }) == Some(true); (display, debug) diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index d35497c1b38..ac4bffc239b 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -1056,6 +1056,15 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { FfiSafe } + ty::RawPtr(ty::TypeAndMut { ty, .. }) + if match ty.kind() { + ty::Tuple(tuple) => tuple.is_empty(), + _ => false, + } => + { + FfiSafe + } + ty::RawPtr(ty::TypeAndMut { ty, .. }) | ty::Ref(_, ty, _) => { self.check_type_for_ffi(cache, ty) } diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs index 2f199989d3b..6493bd91ca2 100644 --- a/compiler/rustc_llvm/src/lib.rs +++ b/compiler/rustc_llvm/src/lib.rs @@ -17,6 +17,10 @@ impl RustString { pub fn len(&self) -> usize { self.bytes.borrow().len() } + + pub fn is_empty(&self) -> bool { + self.bytes.borrow().is_empty() + } } /// Appending to a Rust string -- used by RawRustStringOstream. diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs index 60cb78d902e..37fec0ac38c 100644 --- a/compiler/rustc_middle/src/lint.rs +++ b/compiler/rustc_middle/src/lint.rs @@ -389,9 +389,9 @@ pub fn struct_lint_level<'s, 'd>( pub fn in_external_macro(sess: &Session, span: Span) -> bool { let expn_data = span.ctxt().outer_expn_data(); match expn_data.kind { - ExpnKind::Inlined | ExpnKind::Root | ExpnKind::Desugaring(DesugaringKind::ForLoop(_)) => { - false - } + ExpnKind::Inlined + | ExpnKind::Root + | ExpnKind::Desugaring(DesugaringKind::ForLoop(_) | DesugaringKind::WhileLoop) => false, ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) => true, // well, it's "external" ExpnKind::Macro(MacroKind::Bang, _) => { // Dummy span for the `def_site` means it's an external macro. diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index a2211f4c3b2..f8a476266d6 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -2408,7 +2408,7 @@ fn for_each_def(tcx: TyCtxt<'_>, mut collect_fn: impl for<'b> FnMut(&'b Ident, N /// /// The implementation uses similar import discovery logic to that of 'use' suggestions. fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> FxHashMap<DefId, Symbol> { - let mut map = FxHashMap::default(); + let mut map: FxHashMap<DefId, Symbol> = FxHashMap::default(); if let TrimmedDefPaths::GoodPath = tcx.sess.opts.trimmed_def_paths { // For good paths causing this bug, the `rustc_middle::ty::print::with_no_trimmed_paths` @@ -2446,8 +2446,29 @@ fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> FxHashMap<DefId, Symbol> { }); for ((_, symbol), opt_def_id) in unique_symbols_rev.drain() { + use std::collections::hash_map::Entry::{Occupied, Vacant}; + if let Some(def_id) = opt_def_id { - map.insert(def_id, symbol); + match map.entry(def_id) { + Occupied(mut v) => { + // A single DefId can be known under multiple names (e.g., + // with a `pub use ... as ...;`). We need to ensure that the + // name placed in this map is chosen deterministically, so + // if we find multiple names (`symbol`) resolving to the + // same `def_id`, we prefer the lexicographically smallest + // name. + // + // Any stable ordering would be fine here though. + if *v.get() != symbol { + if v.get().as_str() > symbol.as_str() { + v.insert(symbol); + } + } + } + Vacant(v) => { + v.insert(symbol); + } + } } } diff --git a/compiler/rustc_mir_transform/src/function_item_references.rs b/compiler/rustc_mir_transform/src/function_item_references.rs index d96a067fdda..996c158c062 100644 --- a/compiler/rustc_mir_transform/src/function_item_references.rs +++ b/compiler/rustc_mir_transform/src/function_item_references.rs @@ -133,7 +133,7 @@ impl<'a, 'tcx> FunctionItemRefChecker<'a, 'tcx> { /// If the given predicate is the trait `fmt::Pointer`, returns the bound parameter type. fn is_pointer_trait(&self, bound: &PredicateKind<'tcx>) -> Option<Ty<'tcx>> { if let ty::PredicateKind::Trait(predicate) = bound { - if self.tcx.is_diagnostic_item(sym::pointer_trait, predicate.def_id()) { + if self.tcx.is_diagnostic_item(sym::Pointer, predicate.def_id()) { Some(predicate.trait_ref.self_ty()) } else { None diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index 719d4134ab8..ae3a9c71c59 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -470,7 +470,7 @@ impl EmbargoVisitor<'tcx> { let hir_id = self.tcx.hir().local_def_id_to_hir_id(local_def_id); let attrs = self.tcx.hir().attrs(hir_id); - if attr::find_transparency(&attrs, md.macro_rules).0 != Transparency::Opaque { + if attr::find_transparency(attrs, md.macro_rules).0 != Transparency::Opaque { return; } @@ -797,7 +797,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { // Re-exports are handled in `visit_mod`. However, in order to avoid looping over // all of the items of a mod in `visit_mod` looking for use statements, we handle // making sure that intermediate use statements have their visibilities updated here. - hir::ItemKind::Use(ref path, _) => { + hir::ItemKind::Use(path, _) => { if item_level.is_some() { self.update_visibility_of_intermediate_use_statements(path.segments.as_ref()); } @@ -1099,11 +1099,11 @@ impl<'tcx> Visitor<'tcx> for NamePrivacyVisitor<'tcx> { } fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) { - if let hir::ExprKind::Struct(ref qpath, fields, ref base) = expr.kind { + if let hir::ExprKind::Struct(qpath, fields, ref base) = expr.kind { let res = self.typeck_results().qpath_res(qpath, expr.hir_id); let adt = self.typeck_results().expr_ty(expr).ty_adt_def().unwrap(); let variant = adt.variant_of_res(res); - if let Some(ref base) = *base { + if let Some(base) = *base { // If the expression uses FRU we need to make sure all the unmentioned fields // are checked for privacy (RFC 736). Rather than computing the set of // unmentioned fields, just check them all. @@ -1312,7 +1312,7 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> { return; } match expr.kind { - hir::ExprKind::Assign(_, ref rhs, _) | hir::ExprKind::Match(ref rhs, ..) => { + hir::ExprKind::Assign(_, rhs, _) | hir::ExprKind::Match(rhs, ..) => { // Do not report duplicate errors for `x = y` and `match x { ... }`. if self.check_expr_pat_type(rhs.hir_id, rhs.span) { return; @@ -1397,7 +1397,7 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> { } fn visit_local(&mut self, local: &'tcx hir::Local<'tcx>) { - if let Some(ref init) = local.init { + if let Some(init) = local.init { if self.check_expr_pat_type(init.hir_id, init.span) { // Do not report duplicate errors for `let x = y`. return; @@ -1474,7 +1474,7 @@ impl<'a, 'tcx> ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { // .. and it corresponds to a private type in the AST (this returns // `None` for type parameters). match self.tcx.hir().find(self.tcx.hir().local_def_id_to_hir_id(did)) { - Some(Node::Item(ref item)) => !item.vis.node.is_pub(), + Some(Node::Item(item)) => !item.vis.node.is_pub(), Some(_) | None => false, } } else { @@ -1490,7 +1490,7 @@ impl<'a, 'tcx> ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { fn check_generic_bound(&mut self, bound: &hir::GenericBound<'_>) { if let hir::GenericBound::Trait(ref trait_ref, _) = *bound { - if self.path_is_private_type(&trait_ref.trait_ref.path) { + if self.path_is_private_type(trait_ref.trait_ref.path) { self.old_error_set.insert(trait_ref.trait_ref.hir_ref_id); } } @@ -1517,7 +1517,7 @@ impl<'a, 'b, 'tcx, 'v> Visitor<'v> for ObsoleteCheckTypeForPrivatenessVisitor<'a } fn visit_ty(&mut self, ty: &hir::Ty<'_>) { - if let hir::TyKind::Path(hir::QPath::Resolved(_, ref path)) = ty.kind { + if let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = ty.kind { if self.inner.path_is_private_type(path) { self.contains_private = true; // Found what we're looking for, so let's stop working. @@ -1556,7 +1556,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { // namespace (the contents have their own privacies). hir::ItemKind::ForeignMod { .. } => {} - hir::ItemKind::Trait(.., ref bounds, _) => { + hir::ItemKind::Trait(.., bounds, _) => { if !self.trait_is_public(item.def_id) { return; } @@ -1586,7 +1586,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { at_outer_type: true, outer_type_is_public_path: false, }; - visitor.visit_ty(&impl_.self_ty); + visitor.visit_ty(impl_.self_ty); self_contains_private = visitor.contains_private; self_is_public_path = visitor.outer_type_is_public_path; } @@ -1664,12 +1664,12 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { // // Those in 2. are warned via walk_generics and this // call here. - intravisit::walk_path(self, &tr.path); + intravisit::walk_path(self, tr.path); // Those in 3. are warned with this call. for impl_item_ref in impl_.items { let impl_item = self.tcx.hir().impl_item(impl_item_ref.id); - if let hir::ImplItemKind::TyAlias(ref ty) = impl_item.kind { + if let hir::ImplItemKind::TyAlias(ty) = impl_item.kind { self.visit_ty(ty); } } @@ -1739,7 +1739,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { } hir::WherePredicate::RegionPredicate(_) => {} hir::WherePredicate::EqPredicate(eq_pred) => { - self.visit_ty(&eq_pred.rhs_ty); + self.visit_ty(eq_pred.rhs_ty); } } } @@ -1752,7 +1752,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { } fn visit_ty(&mut self, t: &'tcx hir::Ty<'tcx>) { - if let hir::TyKind::Path(hir::QPath::Resolved(_, ref path)) = t.kind { + if let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = t.kind { if self.path_is_private_type(path) { self.old_error_set.insert(t.hir_id); } @@ -2191,7 +2191,7 @@ fn check_private_in_public(tcx: TyCtxt<'_>, (): ()) { let mut visitor = ObsoleteVisiblePrivateTypesVisitor { tcx, - access_levels: &access_levels, + access_levels, in_variant: false, old_error_set: Default::default(), }; diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index 0cf9d7af589..8dfa839453d 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -127,7 +127,6 @@ impl<'a> Resolver<'a> { /// If `def_id` refers to a module (in resolver's sense, i.e. a module item, crate root, enum, /// or trait), then this function returns that module's resolver representation, otherwise it /// returns `None`. - /// FIXME: `Module`s for local enums and traits are not currently found. crate fn get_module(&mut self, def_id: DefId) -> Option<Module<'a>> { if let module @ Some(..) = self.module_map.get(&def_id) { return module.copied(); @@ -146,17 +145,21 @@ impl<'a> Resolver<'a> { } else { def_key.disambiguated_data.data.get_opt_name().expect("module without name") }; + let expn_id = if def_kind == DefKind::Mod { + self.cstore().module_expansion_untracked(def_id, &self.session) + } else { + // FIXME: Parent expansions for enums and traits are not kept in metadata. + ExpnId::root() + }; - let module = self.arenas.new_module( + Some(self.new_module( parent, ModuleKind::Def(def_kind, def_id, name), - self.cstore().module_expansion_untracked(def_id, &self.session), + expn_id, self.cstore().get_span_untracked(def_id, &self.session), // FIXME: Account for `#[no_implicit_prelude]` attributes. parent.map_or(false, |module| module.no_implicit_prelude), - ); - self.module_map.insert(def_id, module); - Some(module) + )) } _ => None, } @@ -217,8 +220,7 @@ impl<'a> Resolver<'a> { } crate fn build_reduced_graph_external(&mut self, module: Module<'a>) { - let def_id = module.def_id().expect("unpopulated module without a def-id"); - for child in self.cstore().item_children_untracked(def_id, self.session) { + for child in self.cstore().item_children_untracked(module.def_id(), self.session) { let parent_scope = ParentScope::module(module, self); BuildReducedGraphVisitor { r: self, parent_scope } .build_reduced_graph_for_external_crate_res(child); @@ -759,7 +761,7 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> { } ItemKind::Mod(..) => { - let module = self.r.arenas.new_module( + let module = self.r.new_module( Some(parent), ModuleKind::Def(DefKind::Mod, def_id, ident.name), expansion.to_expn_id(), @@ -768,7 +770,6 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> { || self.r.session.contains_name(&item.attrs, sym::no_implicit_prelude), ); self.r.define(parent, ident, TypeNS, (module, vis, sp, expansion)); - self.r.module_map.insert(def_id, module); // Descend into the module. self.parent_scope.module = module; @@ -799,7 +800,7 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> { } ItemKind::Enum(_, _) => { - let module = self.r.arenas.new_module( + let module = self.r.new_module( Some(parent), ModuleKind::Def(DefKind::Enum, def_id, ident.name), expansion.to_expn_id(), @@ -873,7 +874,7 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> { ItemKind::Trait(..) => { // Add all the items within to a new module. - let module = self.r.arenas.new_module( + let module = self.r.new_module( Some(parent), ModuleKind::Def(DefKind::Trait, def_id, ident.name), expansion.to_expn_id(), @@ -916,7 +917,7 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> { let parent = self.parent_scope.module; let expansion = self.parent_scope.expansion; if self.block_needs_anonymous_module(block) { - let module = self.r.arenas.new_module( + let module = self.r.new_module( Some(parent), ModuleKind::Block(block.id), expansion.to_expn_id(), @@ -936,15 +937,8 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> { let expansion = self.parent_scope.expansion; // Record primary definitions. match res { - Res::Def(kind @ (DefKind::Mod | DefKind::Enum | DefKind::Trait), def_id) => { - let module = self.r.arenas.new_module( - Some(parent), - ModuleKind::Def(kind, def_id, ident.name), - expansion.to_expn_id(), - span, - // FIXME: Account for `#[no_implicit_prelude]` attributes. - parent.no_implicit_prelude, - ); + Res::Def(DefKind::Mod | DefKind::Enum | DefKind::Trait, def_id) => { + let module = self.r.expect_module(def_id); self.r.define(parent, ident, TypeNS, (module, vis, span, expansion)); } Res::Def( diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index ab1f47c81db..dea47c25a8e 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -801,7 +801,7 @@ impl<'a> Resolver<'a> { None => worklist_via_import.pop(), Some(x) => Some(x), } { - let in_module_is_extern = !in_module.def_id().unwrap().is_local(); + let in_module_is_extern = !in_module.def_id().is_local(); // We have to visit module children in deterministic order to avoid // instabilities in reported imports (#43552). in_module.for_each_child(self, |this, ident, ns, name_binding| { @@ -884,7 +884,7 @@ impl<'a> Resolver<'a> { if !is_extern_crate_that_also_appears_in_prelude { // add the module to the lookup - if seen_modules.insert(module.def_id().unwrap()) { + if seen_modules.insert(module.def_id()) { if via_import { &mut worklist_via_import } else { &mut worklist } .push((module, path_segments, child_accessible)); } diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 7556f69c391..bb34776f0b0 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -989,7 +989,7 @@ impl<'a, 'b> ImportResolver<'a, 'b> { } if let ModuleOrUniformRoot::Module(module) = module { - if module.def_id() == import.parent_scope.module.def_id() { + if ptr::eq(module, import.parent_scope.module) { // Importing a module into itself is not allowed. return Some(UnresolvedImportError { span: import.span, @@ -1341,7 +1341,7 @@ impl<'a, 'b> ImportResolver<'a, 'b> { if module.is_trait() { self.r.session.span_err(import.span, "items in traits are not importable."); return; - } else if module.def_id() == import.parent_scope.module.def_id() { + } else if ptr::eq(module, import.parent_scope.module) { return; } else if let ImportKind::Glob { is_prelude: true, .. } = import.kind { self.r.prelude = Some(module); @@ -1400,7 +1400,7 @@ impl<'a, 'b> ImportResolver<'a, 'b> { }); if !reexports.is_empty() { - if let Some(def_id) = module.def_id() { + if let Some(def_id) = module.opt_def_id() { // Call to `expect_local` should be fine because current // code is only called for local modules. self.r.export_map.insert(def_id.expect_local(), reexports); diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index e57e7db3285..7b0dd82f0e6 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -1491,7 +1491,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { // form the path let mut path_segments = path_segments.clone(); path_segments.push(ast::PathSegment::from_ident(ident)); - let module_def_id = module.def_id().unwrap(); + let module_def_id = module.def_id(); if module_def_id == def_id { let path = Path { span: name_binding.span, segments: path_segments, tokens: None }; diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 8ae2d5cdd97..04a1fae8fb7 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -413,7 +413,7 @@ impl ModuleOrUniformRoot<'_> { fn same_def(lhs: Self, rhs: Self) -> bool { match (lhs, rhs) { (ModuleOrUniformRoot::Module(lhs), ModuleOrUniformRoot::Module(rhs)) => { - lhs.def_id() == rhs.def_id() + ptr::eq(lhs, rhs) } ( ModuleOrUniformRoot::CrateRootAndExternPrelude, @@ -602,7 +602,11 @@ impl<'a> ModuleData<'a> { } } - fn def_id(&self) -> Option<DefId> { + fn def_id(&self) -> DefId { + self.opt_def_id().expect("`ModuleData::def_id` is called on a block module") + } + + fn opt_def_id(&self) -> Option<DefId> { match self.kind { ModuleKind::Def(_, def_id, _) => Some(def_id), _ => None, @@ -1071,12 +1075,17 @@ impl<'a> ResolverArenas<'a> { expn_id: ExpnId, span: Span, no_implicit_prelude: bool, + module_map: &mut FxHashMap<DefId, Module<'a>>, ) -> Module<'a> { let module = self.modules.alloc(ModuleData::new(parent, kind, expn_id, span, no_implicit_prelude)); - if module.def_id().map_or(true, |def_id| def_id.is_local()) { + let def_id = module.opt_def_id(); + if def_id.map_or(true, |def_id| def_id.is_local()) { self.local_modules.borrow_mut().push(module); } + if let Some(def_id) = def_id { + module_map.insert(def_id, module); + } module } fn local_modules(&'a self) -> std::cell::Ref<'a, Vec<Module<'a>>> { @@ -1276,12 +1285,14 @@ impl<'a> Resolver<'a> { arenas: &'a ResolverArenas<'a>, ) -> Resolver<'a> { let root_def_id = CRATE_DEF_ID.to_def_id(); + let mut module_map = FxHashMap::default(); let graph_root = arenas.new_module( None, ModuleKind::Def(DefKind::Mod, root_def_id, kw::Empty), ExpnId::root(), krate.span, session.contains_name(&krate.attrs, sym::no_implicit_prelude), + &mut module_map, ); let empty_module = arenas.new_module( None, @@ -1289,9 +1300,8 @@ impl<'a> Resolver<'a> { ExpnId::root(), DUMMY_SP, true, + &mut FxHashMap::default(), ); - let mut module_map = FxHashMap::default(); - module_map.insert(root_def_id, graph_root); let definitions = Definitions::new(session.local_stable_crate_id(), krate.span); let root = definitions.get_root_def(); @@ -1434,6 +1444,18 @@ impl<'a> Resolver<'a> { resolver } + fn new_module( + &mut self, + parent: Option<Module<'a>>, + kind: ModuleKind, + expn_id: ExpnId, + span: Span, + no_implicit_prelude: bool, + ) -> Module<'a> { + let module_map = &mut self.module_map; + self.arenas.new_module(parent, kind, expn_id, span, no_implicit_prelude, module_map) + } + fn create_stable_hashing_context(&self) -> ExpandHasher<'_, 'a> { ExpandHasher { source_map: CachingSourceMapView::new(self.session.source_map()), @@ -1570,7 +1592,7 @@ impl<'a> Resolver<'a> { if let Some(module) = current_trait { if self.trait_may_have_item(Some(module), assoc_item) { - let def_id = module.def_id().unwrap(); + let def_id = module.def_id(); found_traits.push(TraitCandidate { def_id, import_ids: smallvec![] }); } } @@ -2171,8 +2193,9 @@ impl<'a> Resolver<'a> { return self.graph_root; } }; - let module = self - .expect_module(module.def_id().map_or(LOCAL_CRATE, |def_id| def_id.krate).as_def_id()); + let module = self.expect_module( + module.opt_def_id().map_or(LOCAL_CRATE, |def_id| def_id.krate).as_def_id(), + ); debug!( "resolve_crate_root({:?}): got module {:?} ({:?}) (ident.span = {:?})", ident, @@ -2999,7 +3022,7 @@ impl<'a> Resolver<'a> { } let container = match parent.kind { - ModuleKind::Def(kind, _, _) => kind.descr(parent.def_id().unwrap()), + ModuleKind::Def(kind, _, _) => kind.descr(parent.def_id()), ModuleKind::Block(..) => "block", }; diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index ef60608a27c..aa15febe885 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -601,7 +601,10 @@ pub fn debug_hygiene_data(verbose: bool) -> String { let expn_data = expn_data.as_ref().expect("no expansion data for an expansion ID"); debug_expn_data((&id.to_expn_id(), expn_data)) }); - data.foreign_expn_data.iter().for_each(debug_expn_data); + // Sort the hash map for more reproducible output. + let mut foreign_expn_data: Vec<_> = data.foreign_expn_data.iter().collect(); + foreign_expn_data.sort_by_key(|(id, _)| (id.krate, id.local_id)); + foreign_expn_data.into_iter().for_each(debug_expn_data); s.push_str("\n\nSyntaxContexts:"); data.syntax_context_data.iter().enumerate().for_each(|(id, ctxt)| { s.push_str(&format!( @@ -1098,6 +1101,7 @@ pub enum DesugaringKind { Await, ForLoop(ForLoopLoc), LetElse, + WhileLoop, } /// A location in the desugaring of a `for` loop @@ -1119,6 +1123,7 @@ impl DesugaringKind { DesugaringKind::OpaqueTy => "`impl Trait`", DesugaringKind::ForLoop(_) => "`for` loop", DesugaringKind::LetElse => "`let...else`", + DesugaringKind::WhileLoop => "`while` loop", } } } diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 7cb4e18398c..77baf7d7381 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -169,6 +169,7 @@ symbols! { Default, Deref, DirBuilder, + Display, DoubleEndedIterator, Duration, Encodable, @@ -194,6 +195,7 @@ symbols! { Hasher, Implied, Input, + Into, IntoIterator, IoRead, IoWrite, @@ -204,6 +206,7 @@ symbols! { Left, LinkedList, LintPass, + Mutex, None, Ok, Option, @@ -219,6 +222,7 @@ symbols! { PathBuf, Pending, Pin, + Pointer, Poll, ProcMacro, ProcMacroHack, @@ -242,6 +246,7 @@ symbols! { Send, SeqCst, Some, + String, StructuralEq, StructuralPartialEq, Sync, @@ -249,12 +254,15 @@ symbols! { ToOwned, ToString, Try, + TryFrom, + TryInto, Ty, TyCtxt, TyKind, Unknown, UnsafeArg, Vec, + VecDeque, Yield, _DECLS, _Self, @@ -507,7 +515,6 @@ symbols! { debug_assert_macro, debug_assertions, debug_struct, - debug_trait, debug_trait_builder, debug_tuple, decl_macro, @@ -653,7 +660,6 @@ symbols! { from_output, from_residual, from_size_align_unchecked, - from_trait, from_usize, fsub_fast, fundamental, @@ -676,8 +682,6 @@ symbols! { gt, half_open_range_patterns, hash, - hashmap_type, - hashset_type, hexagon_target_feature, hidden, homogeneous_aggregate, @@ -722,7 +726,6 @@ symbols! { instruction_set, intel, into_iter, - into_trait, intra_doc_pointers, intrinsics, irrefutable_let_patterns, @@ -913,7 +916,6 @@ symbols! { optin_builtin_traits, option, option_env, - option_type, options, or, or_patterns, @@ -955,7 +957,6 @@ symbols! { plugins, pointee_trait, pointer, - pointer_trait, pointer_trait_fmt, poll, position, @@ -1051,7 +1052,6 @@ symbols! { repr_transparent, residual, result, - result_type, rhs, rintf32, rintf64, @@ -1152,7 +1152,6 @@ symbols! { self_in_typedefs, self_struct_ctor, semitransparent, - send_trait, shl, shl_assign, should_panic, @@ -1262,7 +1261,6 @@ symbols! { store, str, str_alloc, - string_type, stringify, struct_field_attributes, struct_inherit, @@ -1277,7 +1275,6 @@ symbols! { suggestion, sym, sync, - sync_trait, t32, target_abi, target_arch, @@ -1323,9 +1320,7 @@ symbols! { truncf64, try_blocks, try_from, - try_from_trait, try_into, - try_into_trait, try_trait_v2, tt, tuple, @@ -1397,8 +1392,6 @@ symbols! { var, variant_count, vec, - vec_type, - vecdeque_type, version, vis, visible_private_types, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index b751918463b..93ddec61dc4 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -533,9 +533,9 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { // example). let trait_is_debug = - self.tcx.is_diagnostic_item(sym::debug_trait, trait_ref.def_id()); + self.tcx.is_diagnostic_item(sym::Debug, trait_ref.def_id()); let trait_is_display = - self.tcx.is_diagnostic_item(sym::display_trait, trait_ref.def_id()); + self.tcx.is_diagnostic_item(sym::Display, trait_ref.def_id()); let in_std_macro = match obligation.cause.span.ctxt().outer_expn_data().macro_def_id { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 325126483b9..b7f1f64cbfd 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -676,7 +676,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: &ty::Binder<'tcx, ty::TraitRef<'tcx>>, + poly_trait_ref: &ty::Binder<'tcx, ty::TraitRef<'tcx>>, has_custom_message: bool, ) -> bool { let span = obligation.cause.span; @@ -702,10 +702,10 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { .filter_map(|lang_item| self.tcx.lang_items().require(*lang_item).ok()) .collect(); - never_suggest_borrow.push(self.tcx.get_diagnostic_item(sym::send_trait).unwrap()); + never_suggest_borrow.push(self.tcx.get_diagnostic_item(sym::Send).unwrap()); let param_env = obligation.param_env; - let trait_ref = trait_ref.skip_binder(); + let trait_ref = poly_trait_ref.skip_binder(); let found_ty = trait_ref.self_ty(); let found_ty_str = found_ty.to_string(); @@ -715,25 +715,25 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { let mut_substs = self.tcx.mk_substs_trait(mut_borrowed_found_ty, &[]); // Try to apply the original trait binding obligation by borrowing. - let mut try_borrowing = |new_imm_trait_ref: ty::TraitRef<'tcx>, - new_mut_trait_ref: ty::TraitRef<'tcx>, - expected_trait_ref: ty::TraitRef<'tcx>, + let mut try_borrowing = |new_imm_trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, + new_mut_trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, + expected_trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, blacklist: &[DefId]| -> bool { - if blacklist.contains(&expected_trait_ref.def_id) { + if blacklist.contains(&expected_trait_ref.def_id()) { return false; } let imm_result = self.predicate_must_hold_modulo_regions(&Obligation::new( ObligationCause::dummy(), param_env, - ty::Binder::dummy(new_imm_trait_ref).without_const().to_predicate(self.tcx), + new_imm_trait_ref.without_const().to_predicate(self.tcx), )); let mut_result = self.predicate_must_hold_modulo_regions(&Obligation::new( ObligationCause::dummy(), param_env, - ty::Binder::dummy(new_mut_trait_ref).without_const().to_predicate(self.tcx), + new_mut_trait_ref.without_const().to_predicate(self.tcx), )); if imm_result || mut_result { @@ -806,19 +806,19 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { }; if let ObligationCauseCode::ImplDerivedObligation(obligation) = &*code { - let expected_trait_ref = obligation.parent_trait_ref.skip_binder(); - let new_imm_trait_ref = - ty::TraitRef::new(obligation.parent_trait_ref.def_id(), imm_substs); - let new_mut_trait_ref = - ty::TraitRef::new(obligation.parent_trait_ref.def_id(), mut_substs); + let expected_trait_ref = obligation.parent_trait_ref; + let new_imm_trait_ref = poly_trait_ref + .rebind(ty::TraitRef::new(obligation.parent_trait_ref.def_id(), imm_substs)); + let new_mut_trait_ref = poly_trait_ref + .rebind(ty::TraitRef::new(obligation.parent_trait_ref.def_id(), mut_substs)); return try_borrowing(new_imm_trait_ref, new_mut_trait_ref, expected_trait_ref, &[]); } else if let ObligationCauseCode::BindingObligation(_, _) | ObligationCauseCode::ItemObligation(_) = &*code { return try_borrowing( - ty::TraitRef::new(trait_ref.def_id, imm_substs), - ty::TraitRef::new(trait_ref.def_id, mut_substs), - trait_ref, + poly_trait_ref.rebind(ty::TraitRef::new(trait_ref.def_id, imm_substs)), + poly_trait_ref.rebind(ty::TraitRef::new(trait_ref.def_id, mut_substs)), + *poly_trait_ref, &never_suggest_borrow[..], ); } else { @@ -1634,8 +1634,8 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { // Special case the primary error message when send or sync is the trait that was // not implemented. - let is_send = self.tcx.is_diagnostic_item(sym::send_trait, trait_ref.def_id); - let is_sync = self.tcx.is_diagnostic_item(sym::sync_trait, trait_ref.def_id); + let is_send = self.tcx.is_diagnostic_item(sym::Send, trait_ref.def_id); + let is_sync = self.tcx.is_diagnostic_item(sym::Sync, trait_ref.def_id); let hir = self.tcx.hir(); let trait_explanation = if is_send || is_sync { let (trait_name, trait_verb) = diff --git a/compiler/rustc_typeck/src/astconv/generics.rs b/compiler/rustc_typeck/src/astconv/generics.rs index 456d3fe7b2f..5befe44802f 100644 --- a/compiler/rustc_typeck/src/astconv/generics.rs +++ b/compiler/rustc_typeck/src/astconv/generics.rs @@ -132,7 +132,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } let kind_ord = param.kind.to_ord(tcx); - let arg_ord = arg.to_ord(&tcx.features()); + let arg_ord = arg.to_ord(tcx.features()); // This note is only true when generic parameters are strictly ordered by their kind. if possible_ordering_error && kind_ord.cmp(&arg_ord) != core::cmp::Ordering::Equal { @@ -423,7 +423,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { is_method_call: IsMethodCall, ) -> GenericArgCountResult { let empty_args = hir::GenericArgs::none(); - let suppress_mismatch = Self::check_impl_trait(tcx, seg, &generics); + let suppress_mismatch = Self::check_impl_trait(tcx, seg, generics); let gen_args = seg.args.unwrap_or(&empty_args); let gen_pos = if is_method_call == IsMethodCall::Yes { diff --git a/compiler/rustc_typeck/src/astconv/mod.rs b/compiler/rustc_typeck/src/astconv/mod.rs index 33df541eb2b..e492fd44185 100644 --- a/compiler/rustc_typeck/src/astconv/mod.rs +++ b/compiler/rustc_typeck/src/astconv/mod.rs @@ -352,8 +352,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { span, def_id, seg, - &generics, - &generic_args, + generics, + generic_args, GenericArgPosition::Type, self_ty.is_some(), infer_args, @@ -363,7 +363,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // Traits always have `Self` as a generic parameter, which means they will not return early // here and so associated type bindings will be handled regardless of whether there are any // non-`Self` generic parameters. - if generics.params.len() == 0 { + if generics.params.is_empty() { return (tcx.intern_substs(&[]), arg_count); } @@ -417,7 +417,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let tcx = self.astconv.tcx(); match (¶m.kind, arg) { (GenericParamDefKind::Lifetime, GenericArg::Lifetime(lt)) => { - self.astconv.ast_region_to_region(<, Some(param)).into() + self.astconv.ast_region_to_region(lt, Some(param)).into() } (&GenericParamDefKind::Type { has_default, .. }, GenericArg::Type(ty)) => { if has_default { @@ -441,7 +441,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { self.inferred_params.push(ty.span); tcx.ty_error().into() } else { - self.astconv.ast_ty_to_ty(&ty).into() + self.astconv.ast_ty_to_ty(ty).into() } } (GenericParamDefKind::Const { .. }, GenericArg::Const(ct)) => { @@ -622,10 +622,10 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .iter() .map(|binding| { let kind = match binding.kind { - hir::TypeBindingKind::Equality { ref ty } => { + hir::TypeBindingKind::Equality { ty } => { ConvertedBindingKind::Equality(self.ast_ty_to_ty(ty)) } - hir::TypeBindingKind::Constraint { ref bounds } => { + hir::TypeBindingKind::Constraint { bounds } => { ConvertedBindingKind::Constraint(bounds) } }; @@ -908,18 +908,15 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { if let Some((self_ty, where_clause)) = self_ty_where_predicates { let self_ty_def_id = tcx.hir().local_def_id(self_ty).to_def_id(); for clause in where_clause { - match clause { - hir::WherePredicate::BoundPredicate(pred) => { - match pred.bounded_ty.kind { - hir::TyKind::Path(hir::QPath::Resolved(_, path)) => match path.res { - Res::Def(DefKind::TyParam, def_id) if def_id == self_ty_def_id => {} - _ => continue, - }, + if let hir::WherePredicate::BoundPredicate(pred) = clause { + match pred.bounded_ty.kind { + hir::TyKind::Path(hir::QPath::Resolved(_, path)) => match path.res { + Res::Def(DefKind::TyParam, def_id) if def_id == self_ty_def_id => {} _ => continue, - } - search_bounds(pred.bounds); + }, + _ => continue, } - _ => {} + search_bounds(pred.bounds); } } } @@ -1030,7 +1027,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { param_ty: Ty<'tcx>, ast_bounds: &[hir::GenericBound<'_>], ) -> Bounds<'tcx> { - self.compute_bounds_inner(param_ty, &ast_bounds) + self.compute_bounds_inner(param_ty, ast_bounds) } /// Convert the bounds in `ast_bounds` that refer to traits which define an associated type @@ -1231,7 +1228,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } match binding.kind { - ConvertedBindingKind::Equality(ref ty) => { + ConvertedBindingKind::Equality(ty) => { // "Desugar" a constraint like `T: Iterator<Item = u32>` this to // the "projection predicate" for: // @@ -2207,7 +2204,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { assert_eq!(opt_self_ty, None); let path_segs = - self.def_ids_for_value_path_segments(&path.segments, None, kind, def_id); + self.def_ids_for_value_path_segments(path.segments, None, kind, def_id); let generic_segs: FxHashSet<_> = path_segs.iter().map(|PathSeg(_, index)| index).collect(); self.prohibit_generics(path.segments.iter().enumerate().filter_map( @@ -2304,34 +2301,32 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let tcx = self.tcx(); let result_ty = match ast_ty.kind { - hir::TyKind::Slice(ref ty) => tcx.mk_slice(self.ast_ty_to_ty(&ty)), + hir::TyKind::Slice(ref ty) => tcx.mk_slice(self.ast_ty_to_ty(ty)), hir::TyKind::Ptr(ref mt) => { - tcx.mk_ptr(ty::TypeAndMut { ty: self.ast_ty_to_ty(&mt.ty), mutbl: mt.mutbl }) + tcx.mk_ptr(ty::TypeAndMut { ty: self.ast_ty_to_ty(mt.ty), mutbl: mt.mutbl }) } hir::TyKind::Rptr(ref region, ref mt) => { let r = self.ast_region_to_region(region, None); debug!(?r); - let t = self.ast_ty_to_ty_inner(&mt.ty, true); + let t = self.ast_ty_to_ty_inner(mt.ty, true); tcx.mk_ref(r, ty::TypeAndMut { ty: t, mutbl: mt.mutbl }) } hir::TyKind::Never => tcx.types.never, - hir::TyKind::Tup(ref fields) => { - tcx.mk_tup(fields.iter().map(|t| self.ast_ty_to_ty(&t))) - } - hir::TyKind::BareFn(ref bf) => { - require_c_abi_if_c_variadic(tcx, &bf.decl, bf.abi, ast_ty.span); + hir::TyKind::Tup(fields) => tcx.mk_tup(fields.iter().map(|t| self.ast_ty_to_ty(t))), + hir::TyKind::BareFn(bf) => { + require_c_abi_if_c_variadic(tcx, bf.decl, bf.abi, ast_ty.span); tcx.mk_fn_ptr(self.ty_of_fn( ast_ty.hir_id, bf.unsafety, bf.abi, - &bf.decl, + bf.decl, &hir::Generics::empty(), None, Some(ast_ty), )) } - hir::TyKind::TraitObject(ref bounds, ref lifetime, _) => { + hir::TyKind::TraitObject(bounds, ref lifetime, _) => { self.conv_object_ty_poly_trait_ref(ast_ty.span, bounds, lifetime, borrowed) } hir::TyKind::Path(hir::QPath::Resolved(ref maybe_qself, ref path)) => { @@ -2339,7 +2334,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let opt_self_ty = maybe_qself.as_ref().map(|qself| self.ast_ty_to_ty(qself)); self.res_to_ty(opt_self_ty, path, false) } - hir::TyKind::OpaqueDef(item_id, ref lifetimes) => { + hir::TyKind::OpaqueDef(item_id, lifetimes) => { let opaque_ty = tcx.hir().item(item_id); let def_id = item_id.def_id.to_def_id(); @@ -2354,7 +2349,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { debug!(?qself, ?segment); let ty = self.ast_ty_to_ty(qself); - let res = if let hir::TyKind::Path(hir::QPath::Resolved(_, ref path)) = qself.kind { + let res = if let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = qself.kind { path.res } else { Res::Err @@ -2379,7 +2374,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { hir::TyKind::Array(ref ty, ref length) => { let length_def_id = tcx.hir().local_def_id(length.hir_id); let length = ty::Const::from_anon_const(tcx, length_def_id); - let array_ty = tcx.mk_ty(ty::Array(self.ast_ty_to_ty(&ty), length)); + let array_ty = tcx.mk_ty(ty::Array(self.ast_ty_to_ty(ty), length)); self.normalize_ty(ast_ty.span, array_ty) } hir::TyKind::Typeof(ref e) => { @@ -2485,7 +2480,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let input_tys = decl.inputs.iter().map(|a| self.ty_of_arg(a, None)); let output_ty = match decl.output { - hir::FnRetTy::Return(ref output) => { + hir::FnRetTy::Return(output) => { visitor.visit_ty(output); self.ast_ty_to_ty(output) } diff --git a/compiler/rustc_typeck/src/check/cast.rs b/compiler/rustc_typeck/src/check/cast.rs index 4ea7a8694c0..9736a7b2e28 100644 --- a/compiler/rustc_typeck/src/check/cast.rs +++ b/compiler/rustc_typeck/src/check/cast.rs @@ -438,7 +438,7 @@ impl<'a, 'tcx> CastCheck<'tcx> { let mut label = true; // Check `impl From<self.expr_ty> for self.cast_ty {}` for accurate suggestion: if let Ok(snippet) = fcx.tcx.sess.source_map().span_to_snippet(self.expr.span) { - if let Some(from_trait) = fcx.tcx.get_diagnostic_item(sym::from_trait) { + if let Some(from_trait) = fcx.tcx.get_diagnostic_item(sym::From) { let ty = fcx.resolve_vars_if_possible(self.cast_ty); // Erase regions to avoid panic in `prove_value` when calling // `type_implements_trait`. diff --git a/compiler/rustc_typeck/src/check/coercion.rs b/compiler/rustc_typeck/src/check/coercion.rs index 79763942d05..e34b8d998b1 100644 --- a/compiler/rustc_typeck/src/check/coercion.rs +++ b/compiler/rustc_typeck/src/check/coercion.rs @@ -54,7 +54,7 @@ use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::{self, ToPredicate, Ty, TypeAndMut}; use rustc_session::parse::feature_err; use rustc_span::symbol::sym; -use rustc_span::{self, BytePos, Span}; +use rustc_span::{self, BytePos, DesugaringKind, Span}; use rustc_target::spec::abi::Abi; use rustc_trait_selection::traits::error_reporting::InferCtxtExt; use rustc_trait_selection::traits::{self, ObligationCause, ObligationCauseCode}; @@ -1536,8 +1536,10 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { // If the block is from an external macro or try (`?`) desugaring, then // do not suggest adding a semicolon, because there's nowhere to put it. // See issues #81943 and #87051. - if cond_expr.span.desugaring_kind().is_none() - && !in_external_macro(fcx.tcx.sess, cond_expr.span) + if matches!( + cond_expr.span.desugaring_kind(), + None | Some(DesugaringKind::WhileLoop) + ) && !in_external_macro(fcx.tcx.sess, cond_expr.span) && !matches!( cond_expr.kind, hir::ExprKind::Match(.., hir::MatchSource::TryDesugar) diff --git a/compiler/rustc_typeck/src/check/method/confirm.rs b/compiler/rustc_typeck/src/check/method/confirm.rs index 88be49e96e7..dc54f63f49c 100644 --- a/compiler/rustc_typeck/src/check/method/confirm.rs +++ b/compiler/rustc_typeck/src/check/method/confirm.rs @@ -28,7 +28,7 @@ struct ConfirmContext<'a, 'tcx> { impl<'a, 'tcx> Deref for ConfirmContext<'a, 'tcx> { type Target = FnCtxt<'a, 'tcx>; fn deref(&self) -> &Self::Target { - &self.fcx + self.fcx } } @@ -290,7 +290,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { .autoderef(self.span, self_ty) .include_raw_pointers() .find_map(|(ty, _)| match ty.kind() { - ty::Dynamic(ref data, ..) => Some(closure( + ty::Dynamic(data, ..) => Some(closure( self, ty, data.principal().unwrap_or_else(|| { @@ -323,7 +323,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { self.tcx, self.span, pick.item.def_id, - &generics, + generics, seg, IsMethodCall::Yes, ); @@ -343,7 +343,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { def_id: DefId, ) -> (Option<&'a hir::GenericArgs<'a>>, bool) { if def_id == self.pick.item.def_id { - if let Some(ref data) = self.seg.args { + if let Some(data) = self.seg.args { return (Some(data), false); } } diff --git a/compiler/rustc_typeck/src/check/method/mod.rs b/compiler/rustc_typeck/src/check/method/mod.rs index 113d495f0ce..65b3ceb8698 100644 --- a/compiler/rustc_typeck/src/check/method/mod.rs +++ b/compiler/rustc_typeck/src/check/method/mod.rs @@ -160,7 +160,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .unwrap_or(0); // Account for `foo.bar<T>`; - let sugg_span = span.unwrap_or_else(|| call_expr.span).shrink_to_hi(); + let sugg_span = span.unwrap_or(call_expr.span).shrink_to_hi(); let (suggestion, applicability) = ( format!("({})", (0..params).map(|_| "_").collect::<Vec<_>>().join(", ")), if params > 0 { Applicability::HasPlaceholders } else { Applicability::MaybeIncorrect }, @@ -320,7 +320,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { GenericParamDefKind::Type { .. } => { if param.index == 0 { return self_ty.into(); - } else if let Some(ref input_types) = opt_input_types { + } else if let Some(input_types) = opt_input_types { return input_types[param.index as usize - 1].into(); } } diff --git a/compiler/rustc_typeck/src/check/method/probe.rs b/compiler/rustc_typeck/src/check/method/probe.rs index 5aa579f33a9..9d6db32be63 100644 --- a/compiler/rustc_typeck/src/check/method/probe.rs +++ b/compiler/rustc_typeck/src/check/method/probe.rs @@ -88,7 +88,7 @@ struct ProbeContext<'a, 'tcx> { impl<'a, 'tcx> Deref for ProbeContext<'a, 'tcx> { type Target = FnCtxt<'a, 'tcx>; fn deref(&self) -> &Self::Target { - &self.fcx + self.fcx } } @@ -614,7 +614,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let lang_items = self.tcx.lang_items(); match *self_ty.value.value.kind() { - ty::Dynamic(ref data, ..) if let Some(p) = data.principal() => { + ty::Dynamic(data, ..) if let Some(p) = data.principal() => { // Subtle: we can't use `instantiate_query_response` here: using it will // commit to all of the type equalities assumed by inference going through // autoderef (see the `method-probe-no-guessing` test). @@ -634,7 +634,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { // type variables in any form, so just do that! let (QueryResponse { value: generalized_self_ty, .. }, _ignored_var_values) = self.fcx - .instantiate_canonical_with_fresh_inference_vars(self.span, &self_ty); + .instantiate_canonical_with_fresh_inference_vars(self.span, self_ty); self.assemble_inherent_candidates_from_object(generalized_self_ty); self.assemble_inherent_impl_candidates_for_type(p.def_id()); @@ -1428,7 +1428,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { // match as well (or at least may match, sometimes we // don't have enough information to fully evaluate). match probe.kind { - InherentImplCandidate(ref substs, ref ref_obligations) => { + InherentImplCandidate(substs, ref ref_obligations) => { // Check whether the impl imposes obligations we have to worry about. let impl_def_id = probe.item.container.id(); let impl_bounds = self.tcx.predicates_of(impl_def_id); diff --git a/compiler/rustc_typeck/src/check/method/suggest.rs b/compiler/rustc_typeck/src/check/method/suggest.rs index 0071fd2c494..d849e1d5d28 100644 --- a/compiler/rustc_typeck/src/check/method/suggest.rs +++ b/compiler/rustc_typeck/src/check/method/suggest.rs @@ -328,48 +328,44 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Applicability::MaybeIncorrect, ); } - ExprKind::Path(ref qpath) => { + ExprKind::Path(QPath::Resolved(_, path)) => { // local binding - if let QPath::Resolved(_, path) = qpath { - if let hir::def::Res::Local(hir_id) = path.res { - let span = tcx.hir().span(hir_id); - let snippet = tcx.sess.source_map().span_to_snippet(span); - let filename = tcx.sess.source_map().span_to_filename(span); - - let parent_node = self - .tcx - .hir() - .get(self.tcx.hir().get_parent_node(hir_id)); - let msg = format!( - "you must specify a type for this binding, like `{}`", - concrete_type, - ); - - match (filename, parent_node, snippet) { - ( - FileName::Real(_), - Node::Local(hir::Local { - source: hir::LocalSource::Normal, - ty, - .. - }), - Ok(ref snippet), - ) => { - err.span_suggestion( - // account for `let x: _ = 42;` - // ^^^^ - span.to(ty - .as_ref() - .map(|ty| ty.span) - .unwrap_or(span)), - &msg, - format!("{}: {}", snippet, concrete_type), - Applicability::MaybeIncorrect, - ); - } - _ => { - err.span_label(span, msg); - } + if let hir::def::Res::Local(hir_id) = path.res { + let span = tcx.hir().span(hir_id); + let snippet = tcx.sess.source_map().span_to_snippet(span); + let filename = tcx.sess.source_map().span_to_filename(span); + + let parent_node = + self.tcx.hir().get(self.tcx.hir().get_parent_node(hir_id)); + let msg = format!( + "you must specify a type for this binding, like `{}`", + concrete_type, + ); + + match (filename, parent_node, snippet) { + ( + FileName::Real(_), + Node::Local(hir::Local { + source: hir::LocalSource::Normal, + ty, + .. + }), + Ok(ref snippet), + ) => { + err.span_suggestion( + // account for `let x: _ = 42;` + // ^^^^ + span.to(ty + .as_ref() + .map(|ty| ty.span) + .unwrap_or(span)), + &msg, + format!("{}: {}", snippet, concrete_type), + Applicability::MaybeIncorrect, + ); + } + _ => { + err.span_label(span, msg); } } } @@ -383,11 +379,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Don't show generic arguments when the method can't be found in any implementation (#81576). let mut ty_str_reported = ty_str.clone(); - if let ty::Adt(_, ref generics) = actual.kind() { + if let ty::Adt(_, generics) = actual.kind() { if generics.len() > 0 { let mut autoderef = self.autoderef(span, actual); let candidate_found = autoderef.any(|(ty, _)| { - if let ty::Adt(ref adt_deref, _) = ty.kind() { + if let ty::Adt(adt_deref, _) = ty.kind() { self.tcx .inherent_impls(adt_deref.did) .iter() @@ -482,7 +478,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut label_span_not_found = || { if unsatisfied_predicates.is_empty() { err.span_label(span, format!("{item_kind} not found in `{ty_str}`")); - if let ty::Adt(ref adt, _) = rcvr_ty.kind() { + if let ty::Adt(adt, _) = rcvr_ty.kind() { let mut inherent_impls_candidate = self .tcx .inherent_impls(adt.did) @@ -511,7 +507,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }) .collect::<Vec<_>>(); - if inherent_impls_candidate.len() > 0 { + if !inherent_impls_candidate.is_empty() { inherent_impls_candidate.sort(); inherent_impls_candidate.dedup(); @@ -565,7 +561,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let is_accessible = field.vis.is_accessible_from(scope, self.tcx); if is_accessible { - if self.is_fn_ty(&field_ty, span) { + if self.is_fn_ty(field_ty, span) { let expr_span = expr.span.to(item_name.span); err.multipart_suggestion( &format!( @@ -605,7 +601,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { label_span_not_found(); } - if self.is_fn_ty(&rcvr_ty, span) { + if self.is_fn_ty(rcvr_ty, span) { fn report_function<T: std::fmt::Display>( err: &mut DiagnosticBuilder<'_>, name: T, @@ -618,7 +614,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let SelfSource::MethodCall(expr) = source { if let Ok(expr_string) = tcx.sess.source_map().span_to_snippet(expr.span) { report_function(&mut err, expr_string); - } else if let ExprKind::Path(QPath::Resolved(_, ref path)) = expr.kind { + } else if let ExprKind::Path(QPath::Resolved(_, path)) = expr.kind { if let Some(segment) = path.segments.last() { report_function(&mut err, segment.ident); } @@ -808,7 +804,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); } - bound_list.sort_by(|(_, a), (_, b)| a.cmp(&b)); // Sort alphabetically. + bound_list.sort_by(|(_, a), (_, b)| a.cmp(b)); // Sort alphabetically. bound_list.dedup_by(|(_, a), (_, b)| a == b); // #35677 bound_list.sort_by_key(|(pos, _)| *pos); // Keep the original predicate order. bound_spans.sort(); @@ -987,7 +983,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { sym::Copy, sym::Hash, sym::Default, - sym::debug_trait, + sym::Debug, ]; let mut derives = unsatisfied_predicates .iter() @@ -1007,12 +1003,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if adt_def.did.is_local() { let diagnostic_items = self.tcx.diagnostic_items(trait_ref.def_id.krate); return derivables.iter().find_map(|trait_derivable| { - let item_def_id = - if let Some(item_def_id) = diagnostic_items.get(trait_derivable) { - item_def_id - } else { - return None; - }; + let item_def_id = diagnostic_items.get(trait_derivable)?; if item_def_id == &trait_pred.trait_ref.def_id && !(adt_def.is_enum() && *trait_derivable == sym::Default) { @@ -1371,9 +1362,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) }; // Obtain the span for `param` and use it for a structured suggestion. - if let (Some(ref param), Some(ref table)) = - (param_type, self.in_progress_typeck_results) - { + if let (Some(param), Some(table)) = (param_type, self.in_progress_typeck_results) { let table_owner = table.borrow().hir_owner; let generics = self.tcx.generics_of(table_owner.to_def_id()); let type_param = generics.type_param(param, self.tcx); @@ -1384,7 +1373,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We do this to avoid suggesting code that ends up as `T: FooBar`, // instead we suggest `T: Foo + Bar` in that case. match hir.get(id) { - Node::GenericParam(ref param) => { + Node::GenericParam(param) => { let mut impl_trait = false; let has_bounds = if let hir::GenericParamKind::Type { synthetic: Some(_), .. } = @@ -1558,7 +1547,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { match ty.kind() { ty::Adt(def, _) => def.did.is_local(), ty::Foreign(did) => did.is_local(), - ty::Dynamic(ref tr, ..) => tr.principal().map_or(false, |d| d.def_id().is_local()), + ty::Dynamic(tr, ..) => tr.principal().map_or(false, |d| d.def_id().is_local()), ty::Param(_) => true, // Everything else (primitive types, etc.) is effectively diff --git a/compiler/rustc_typeck/src/check/mod.rs b/compiler/rustc_typeck/src/check/mod.rs index 8a55f7ebf87..7450b4a4ef1 100644 --- a/compiler/rustc_typeck/src/check/mod.rs +++ b/compiler/rustc_typeck/src/check/mod.rs @@ -271,22 +271,22 @@ fn primary_body_of( ) -> Option<(hir::BodyId, Option<&hir::Ty<'_>>, Option<&hir::FnSig<'_>>)> { match tcx.hir().get(id) { Node::Item(item) => match item.kind { - hir::ItemKind::Const(ref ty, body) | hir::ItemKind::Static(ref ty, _, body) => { + hir::ItemKind::Const(ty, body) | hir::ItemKind::Static(ty, _, body) => { Some((body, Some(ty), None)) } - hir::ItemKind::Fn(ref sig, .., body) => Some((body, None, Some(&sig))), + hir::ItemKind::Fn(ref sig, .., body) => Some((body, None, Some(sig))), _ => None, }, Node::TraitItem(item) => match item.kind { - hir::TraitItemKind::Const(ref ty, Some(body)) => Some((body, Some(ty), None)), + hir::TraitItemKind::Const(ty, Some(body)) => Some((body, Some(ty), None)), hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(body)) => { - Some((body, None, Some(&sig))) + Some((body, None, Some(sig))) } _ => None, }, Node::ImplItem(item) => match item.kind { - hir::ImplItemKind::Const(ref ty, body) => Some((body, Some(ty), None)), - hir::ImplItemKind::Fn(ref sig, body) => Some((body, None, Some(&sig))), + hir::ImplItemKind::Const(ty, body) => Some((body, Some(ty), None)), + hir::ImplItemKind::Fn(ref sig, body) => Some((body, None, Some(sig))), _ => None, }, Node::AnonConst(constant) => Some((constant.body, None, None)), @@ -555,16 +555,13 @@ fn maybe_check_static_with_link_section(tcx: TyCtxt<'_>, id: LocalDefId, span: S // `#[link_section]` may contain arbitrary, or even undefined bytes, but it is // the consumer's responsibility to ensure all bytes that have been read // have defined values. - match tcx.eval_static_initializer(id.to_def_id()) { - Ok(alloc) => { - if alloc.relocations().len() != 0 { - let msg = "statics with a custom `#[link_section]` must be a \ + if let Ok(alloc) = tcx.eval_static_initializer(id.to_def_id()) { + if alloc.relocations().len() != 0 { + let msg = "statics with a custom `#[link_section]` must be a \ simple list of bytes on the wasm target with no \ extra levels of indirection such as references"; - tcx.sess.span_err(span, msg); - } + tcx.sess.span_err(span, msg); } - Err(_) => {} } } @@ -631,7 +628,7 @@ fn missing_items_err( let padding: String = " ".repeat(indentation); for trait_item in missing_items { - let snippet = suggestion_signature(&trait_item, tcx); + let snippet = suggestion_signature(trait_item, tcx); let code = format!("{}{}\n{}", padding, snippet, padding); let msg = format!("implement the missing item: `{}`", snippet); let appl = Applicability::HasPlaceholders; diff --git a/compiler/rustc_typeck/src/check/op.rs b/compiler/rustc_typeck/src/check/op.rs index a574a63d63b..d0a32420df3 100644 --- a/compiler/rustc_typeck/src/check/op.rs +++ b/compiler/rustc_typeck/src/check/op.rs @@ -444,7 +444,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Check if the method would be found if the type param wasn't // involved. If so, it means that adding a trait bound to the param is // enough. Otherwise we do not give the suggestion. - let mut eraser = TypeParamEraser(&self, expr.span); + let mut eraser = TypeParamEraser(self, expr.span); let needs_bound = self .lookup_op_method( eraser.fold_ty(lhs_ty), @@ -475,7 +475,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { bug!("type param visitor stored a non type param: {:?}", ty.kind()); } } else if !suggested_deref && !involves_fn { - suggest_impl_missing(&mut err, lhs_ty, &missing_trait); + suggest_impl_missing(&mut err, lhs_ty, missing_trait); } } err.emit(); @@ -572,7 +572,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { on the left and may require reallocation. This \ requires ownership of the string on the left"; - let string_type = self.tcx.get_diagnostic_item(sym::string_type); + let string_type = self.tcx.get_diagnostic_item(sym::String); let is_std_string = |ty: Ty<'tcx>| match ty.ty_adt_def() { Some(ty_def) => Some(ty_def.did) == string_type, None => false, @@ -718,14 +718,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } Str | Never | Char | Tuple(_) | Array(_, _) => {} - Ref(_, ref lty, _) if *lty.kind() == Str => {} + Ref(_, lty, _) if *lty.kind() == Str => {} _ => { let missing_trait = match op { hir::UnOp::Neg => "std::ops::Neg", hir::UnOp::Not => "std::ops::Not", hir::UnOp::Deref => "std::ops::UnDerf", }; - suggest_impl_missing(&mut err, operand_ty, &missing_trait); + suggest_impl_missing(&mut err, operand_ty, missing_trait); } } } diff --git a/compiler/rustc_typeck/src/check/pat.rs b/compiler/rustc_typeck/src/check/pat.rs index 829268e3cb5..0650291bacb 100644 --- a/compiler/rustc_typeck/src/check/pat.rs +++ b/compiler/rustc_typeck/src/check/pat.rs @@ -341,7 +341,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected: Ty<'tcx>, mut def_bm: BindingMode, ) -> (Ty<'tcx>, BindingMode) { - let mut expected = self.resolve_vars_with_obligations(&expected); + let mut expected = self.resolve_vars_with_obligations(expected); // Peel off as many `&` or `&mut` from the scrutinee type as possible. For example, // for `match &&&mut Some(5)` the loop runs three times, aborting when it reaches @@ -587,7 +587,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } if let Some(p) = sub { - self.check_pat(&p, expected, def_bm, TopInfo { parent_pat: Some(&pat), ..ti }); + self.check_pat(p, expected, def_bm, TopInfo { parent_pat: Some(pat), ..ti }); } local_ty @@ -697,8 +697,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { let err = self.tcx.ty_error(); for field in fields { - let ti = TopInfo { parent_pat: Some(&pat), ..ti }; - self.check_pat(&field.pat, err, def_bm, ti); + let ti = TopInfo { parent_pat: Some(pat), ..ti }; + self.check_pat(field.pat, err, def_bm, ti); } return err; }; @@ -707,7 +707,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.demand_eqtype_pat(pat.span, expected, pat_ty, ti); // Type-check subpatterns. - if self.check_struct_pat_fields(pat_ty, &pat, variant, fields, etc, def_bm, ti) { + if self.check_struct_pat_fields(pat_ty, pat, variant, fields, etc, def_bm, ti) { pat_ty } else { self.tcx.ty_error() @@ -876,7 +876,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let on_error = || { let parent_pat = Some(pat); for pat in subpats { - self.check_pat(&pat, tcx.ty_error(), def_bm, TopInfo { parent_pat, ..ti }); + self.check_pat(pat, tcx.ty_error(), def_bm, TopInfo { parent_pat, ..ti }); } }; let report_unexpected_res = |res: Res| { @@ -961,7 +961,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; for (i, subpat) in subpats.iter().enumerate_and_adjust(variant.fields.len(), ddpos) { let field_ty = self.field_ty(subpat.span, &variant.fields[i], substs); - self.check_pat(&subpat, field_ty, def_bm, TopInfo { parent_pat: Some(&pat), ..ti }); + self.check_pat(subpat, field_ty, def_bm, TopInfo { parent_pat: Some(pat), ..ti }); self.tcx.check_stability( variant.fields[i].did, @@ -1151,7 +1151,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut expected_len = elements.len(); if ddpos.is_some() { // Require known type only when `..` is present. - if let ty::Tuple(ref tys) = self.structurally_resolved_type(span, expected).kind() { + if let ty::Tuple(tys) = self.structurally_resolved_type(span, expected).kind() { expected_len = tys.len(); } } @@ -1172,12 +1172,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // further errors being emitted when using the bindings. #50333 let element_tys_iter = (0..max_len).map(|_| tcx.ty_error()); for (_, elem) in elements.iter().enumerate_and_adjust(max_len, ddpos) { - self.check_pat(elem, &tcx.ty_error(), def_bm, ti); + self.check_pat(elem, tcx.ty_error(), def_bm, ti); } tcx.mk_tup(element_tys_iter) } else { for (i, elem) in elements.iter().enumerate_and_adjust(max_len, ddpos) { - self.check_pat(elem, &element_tys[i].expect_ty(), def_bm, ti); + self.check_pat(elem, element_tys[i].expect_ty(), def_bm, ti); } pat_ty } @@ -1240,14 +1240,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }; - self.check_pat(&field.pat, field_ty, def_bm, TopInfo { parent_pat: Some(&pat), ..ti }); + self.check_pat(field.pat, field_ty, def_bm, TopInfo { parent_pat: Some(pat), ..ti }); } let mut unmentioned_fields = variant .fields .iter() .map(|field| (field, field.ident.normalize_to_macros_2_0())) - .filter(|(_, ident)| !used_fields.contains_key(&ident)) + .filter(|(_, ident)| !used_fields.contains_key(ident)) .collect::<Vec<_>>(); let inexistent_fields_err = if !(inexistent_fields.is_empty() || variant.is_recovered()) { @@ -1290,13 +1290,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.non_exhaustive_reachable_pattern(pat, &accessible_unmentioned_fields, adt_ty) } else if !etc { if accessible_unmentioned_fields.is_empty() { - unmentioned_err = Some(self.error_no_accessible_fields(pat, &fields)); + unmentioned_err = Some(self.error_no_accessible_fields(pat, fields)); } else { unmentioned_err = Some(self.error_unmentioned_fields( pat, &accessible_unmentioned_fields, accessible_unmentioned_fields.len() != unmentioned_fields.len(), - &fields, + fields, )); } } @@ -1763,7 +1763,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ti: TopInfo<'tcx>, ) -> Ty<'tcx> { let tcx = self.tcx; - let (box_ty, inner_ty) = if self.check_dereferenceable(span, expected, &inner) { + let (box_ty, inner_ty) = if self.check_dereferenceable(span, expected, inner) { // Here, `demand::subtype` is good enough, but I don't // think any errors can be introduced by using `demand::eqtype`. let inner_ty = self.next_ty_var(TypeVariableOrigin { @@ -1777,7 +1777,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let err = tcx.ty_error(); (err, err) }; - self.check_pat(&inner, inner_ty, def_bm, ti); + self.check_pat(inner, inner_ty, def_bm, ti); box_ty } @@ -1792,7 +1792,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Ty<'tcx> { let tcx = self.tcx; let expected = self.shallow_resolve(expected); - let (rptr_ty, inner_ty) = if self.check_dereferenceable(pat.span, expected, &inner) { + let (rptr_ty, inner_ty) = if self.check_dereferenceable(pat.span, expected, inner) { // `demand::subtype` would be good enough, but using `eqtype` turns // out to be equally general. See (note_1) for details. @@ -1814,7 +1814,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Look for a case like `fn foo(&foo: u32)` and suggest // `fn foo(foo: &u32)` if let Some(mut err) = err { - self.borrow_pat_suggestion(&mut err, &pat, &inner, &expected); + self.borrow_pat_suggestion(&mut err, pat, inner, expected); err.emit(); } (rptr_ty, inner_ty) @@ -1824,7 +1824,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let err = tcx.ty_error(); (err, err) }; - self.check_pat(&inner, inner_ty, def_bm, TopInfo { parent_pat: Some(&pat), ..ti }); + self.check_pat(inner, inner_ty, def_bm, TopInfo { parent_pat: Some(pat), ..ti }); rptr_ty } @@ -1880,15 +1880,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Type check all the patterns before `slice`. for elt in before { - self.check_pat(&elt, element_ty, def_bm, ti); + self.check_pat(elt, element_ty, def_bm, ti); } // Type check the `slice`, if present, against its expected type. if let Some(slice) = slice { - self.check_pat(&slice, opt_slice_ty.unwrap(), def_bm, ti); + self.check_pat(slice, opt_slice_ty.unwrap(), def_bm, ti); } // Type check the elements after `slice`, if present. for elt in after { - self.check_pat(&elt, element_ty, def_bm, ti); + self.check_pat(elt, element_ty, def_bm, ti); } inferred } diff --git a/compiler/rustc_typeck/src/check/place_op.rs b/compiler/rustc_typeck/src/check/place_op.rs index 64775d7aba9..849bf1e455c 100644 --- a/compiler/rustc_typeck/src/check/place_op.rs +++ b/compiler/rustc_typeck/src/check/place_op.rs @@ -126,7 +126,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { { match adjusted_ty.kind() { ty::Adt(ty::AdtDef { did, .. }, _) - if self.tcx.is_diagnostic_item(sym::vec_type, *did) => + if self.tcx.is_diagnostic_item(sym::Vec, *did) => { return self.negative_index(adjusted_ty, index_expr.span, base_expr); } @@ -288,7 +288,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { | hir::ExprKind::Index(ref expr, _) | hir::ExprKind::Unary(hir::UnOp::Deref, ref expr) = exprs.last().unwrap().kind { - exprs.push(&expr); + exprs.push(expr); } debug!("convert_place_derefs_to_mutable: exprs={:?}", exprs); @@ -350,10 +350,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } match expr.kind { - hir::ExprKind::Index(ref base_expr, ..) => { + hir::ExprKind::Index(base_expr, ..) => { self.convert_place_op_to_mutable(PlaceOp::Index, expr, base_expr); } - hir::ExprKind::Unary(hir::UnOp::Deref, ref base_expr) => { + hir::ExprKind::Unary(hir::UnOp::Deref, base_expr) => { self.convert_place_op_to_mutable(PlaceOp::Deref, expr, base_expr); } _ => {} diff --git a/compiler/rustc_typeck/src/check/regionck.rs b/compiler/rustc_typeck/src/check/regionck.rs index 134604a0e32..693246a3433 100644 --- a/compiler/rustc_typeck/src/check/regionck.rs +++ b/compiler/rustc_typeck/src/check/regionck.rs @@ -190,7 +190,7 @@ pub struct RegionCtxt<'a, 'tcx> { impl<'a, 'tcx> Deref for RegionCtxt<'a, 'tcx> { type Target = FnCtxt<'a, 'tcx>; fn deref(&self) -> &Self::Target { - &self.fcx + self.fcx } } @@ -292,7 +292,7 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { self.outlives_environment.add_implied_bounds(self.fcx, fn_sig_tys, body_id.hir_id, span); self.outlives_environment.save_implied_bounds(body_id.hir_id); - self.link_fn_params(&body.params); + self.link_fn_params(body.params); self.visit_body(body); self.visit_region_obligations(body_id.hir_id); @@ -379,13 +379,13 @@ impl<'a, 'tcx> Visitor<'tcx> for RegionCtxt<'a, 'tcx> { fn visit_arm(&mut self, arm: &'tcx hir::Arm<'tcx>) { // see above - self.constrain_bindings_in_pat(&arm.pat); + self.constrain_bindings_in_pat(arm.pat); intravisit::walk_arm(self, arm); } fn visit_local(&mut self, l: &'tcx hir::Local<'tcx>) { // see above - self.constrain_bindings_in_pat(&l.pat); + self.constrain_bindings_in_pat(l.pat); self.link_local(l); intravisit::walk_local(self, l); } @@ -407,13 +407,13 @@ impl<'a, 'tcx> Visitor<'tcx> for RegionCtxt<'a, 'tcx> { match expr.kind { hir::ExprKind::AddrOf(hir::BorrowKind::Ref, m, ref base) => { - self.link_addr_of(expr, m, &base); + self.link_addr_of(expr, m, base); intravisit::walk_expr(self, expr); } - hir::ExprKind::Match(ref discr, ref arms, _) => { - self.link_match(&discr, &arms[..]); + hir::ExprKind::Match(ref discr, arms, _) => { + self.link_match(discr, &arms[..]); intravisit::walk_expr(self, expr); } @@ -448,7 +448,7 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { let mut place = self.with_mc(|mc| mc.cat_expr_unadjusted(expr))?; let typeck_results = self.typeck_results.borrow(); - let adjustments = typeck_results.expr_adjustments(&expr); + let adjustments = typeck_results.expr_adjustments(expr); if adjustments.is_empty() { return Ok(place); } @@ -475,7 +475,7 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { self.link_autoref(expr, &place, autoref); } - place = self.with_mc(|mc| mc.cat_expr_adjusted(expr, place, &adjustment))?; + place = self.with_mc(|mc| mc.cat_expr_adjusted(expr, place, adjustment))?; } Ok(place) @@ -540,10 +540,10 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { None => { return; } - Some(ref expr) => &**expr, + Some(expr) => &*expr, }; let discr_cmt = ignore_err!(self.with_mc(|mc| mc.cat_expr(init_expr))); - self.link_pattern(discr_cmt, &local.pat); + self.link_pattern(discr_cmt, local.pat); } /// Computes the guarantors for any ref bindings in a match and @@ -554,7 +554,7 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { let discr_cmt = ignore_err!(self.with_mc(|mc| mc.cat_expr(discr))); debug!("discr_cmt={:?}", discr_cmt); for arm in arms { - self.link_pattern(discr_cmt.clone(), &arm.pat); + self.link_pattern(discr_cmt.clone(), arm.pat); } } @@ -567,7 +567,7 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { let param_cmt = self.with_mc(|mc| mc.cat_rvalue(param.hir_id, param.pat.span, param_ty)); debug!("param_ty={:?} param_cmt={:?} param={:?}", param_ty, param_cmt, param); - self.link_pattern(param_cmt, ¶m.pat); + self.link_pattern(param_cmt, param.pat); } } @@ -582,7 +582,7 @@ impl<'a, 'tcx> RegionCtxt<'a, 'tcx> { if let Some(ty::BindByReference(mutbl)) = mc.typeck_results.extract_binding_mode(self.tcx.sess, *hir_id, *span) { - self.link_region_from_node_type(*span, *hir_id, mutbl, &sub_cmt); + self.link_region_from_node_type(*span, *hir_id, mutbl, sub_cmt); } } }) diff --git a/compiler/rustc_typeck/src/check/upvar.rs b/compiler/rustc_typeck/src/check/upvar.rs index 1f2ccffa6f2..b7c042a08cf 100644 --- a/compiler/rustc_typeck/src/check/upvar.rs +++ b/compiler/rustc_typeck/src/check/upvar.rs @@ -790,7 +790,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // This is a multi-line closure with just a `{` on the first line, // so we put the `let` on its own line. // We take the indentation from the next non-empty line. - let line2 = lines.filter(|line| !line.is_empty()).next().unwrap_or_default(); + let line2 = lines.find(|line| !line.is_empty()).unwrap_or_default(); let indent = line2.split_once(|c: char| !c.is_whitespace()).unwrap_or_default().0; diagnostics_builder.span_suggestion( closure_body_span.with_lo(closure_body_span.lo() + BytePos::from_usize(line1.len())).shrink_to_lo(), @@ -844,14 +844,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> String { let mut reasons = String::new(); - if auto_trait_reasons.len() > 0 { + if !auto_trait_reasons.is_empty() { reasons = format!( "{} trait implementation for closure", auto_trait_reasons.clone().into_iter().collect::<Vec<&str>>().join(", ") ); } - if auto_trait_reasons.len() > 0 && drop_reason { + if !auto_trait_reasons.is_empty() && drop_reason { reasons = format!("{} and ", reasons); } @@ -877,7 +877,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let auto_traits_def_id = vec![ self.tcx.lang_items().clone_trait(), self.tcx.lang_items().sync_trait(), - self.tcx.get_diagnostic_item(sym::send_trait), + self.tcx.get_diagnostic_item(sym::Send), self.tcx.lang_items().unpin_trait(), self.tcx.get_diagnostic_item(sym::unwind_safe_trait), self.tcx.get_diagnostic_item(sym::ref_unwind_safe_trait), @@ -885,13 +885,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let auto_traits = vec!["`Clone`", "`Sync`", "`Send`", "`Unpin`", "`UnwindSafe`", "`RefUnwindSafe`"]; - let root_var_min_capture_list = if let Some(root_var_min_capture_list) = - min_captures.and_then(|m| m.get(&var_hir_id)) - { - root_var_min_capture_list - } else { - return None; - }; + let root_var_min_capture_list = min_captures.and_then(|m| m.get(&var_hir_id))?; let ty = self.infcx.resolve_vars_if_possible(self.node_ty(var_hir_id)); @@ -966,14 +960,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - if capture_problems.len() > 0 { + if !capture_problems.is_empty() { problematic_captures.insert( (capture.info.path_expr_id, capture.to_string(self.tcx)), capture_problems, ); } } - if problematic_captures.len() > 0 { + if !problematic_captures.is_empty() { return Some(problematic_captures); } None @@ -1042,7 +1036,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let is_moved = !projections_list.is_empty(); let is_not_completely_captured = - root_var_min_capture_list.iter().any(|capture| capture.place.projections.len() > 0); + root_var_min_capture_list.iter().any(|capture| !capture.place.projections.is_empty()); if is_moved && is_not_completely_captured @@ -1056,7 +1050,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return Some(diagnostics_info); } - return None; + None } /// Figures out the list of root variables (and their types) that aren't completely @@ -1152,7 +1146,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { )); } - if capture_diagnostic.len() > 0 { + if !capture_diagnostic.is_empty() { need_migrations.push((var_hir_id, responsible_captured_hir_ids)); } } @@ -1857,10 +1851,10 @@ impl<'a, 'tcx> euv::Delegate<'tcx> for InferBorrowKind<'a, 'tcx> { #[instrument(skip(self), level = "debug")] fn consume(&mut self, place_with_id: &PlaceWithHirId<'tcx>, diag_expr_id: hir::HirId) { if !self.capture_information.contains_key(&place_with_id.place) { - self.init_capture_info_for_place(&place_with_id, diag_expr_id); + self.init_capture_info_for_place(place_with_id, diag_expr_id); } - self.adjust_upvar_borrow_kind_for_consume(&place_with_id, diag_expr_id); + self.adjust_upvar_borrow_kind_for_consume(place_with_id, diag_expr_id); } #[instrument(skip(self), level = "debug")] @@ -1997,7 +1991,7 @@ fn restrict_capture_precision<'tcx>( } } - return (place, curr_mode); + (place, curr_mode) } /// Truncate deref of any reference. @@ -2066,7 +2060,7 @@ fn construct_capture_kind_reason_string( place: &Place<'tcx>, capture_info: &ty::CaptureInfo<'tcx>, ) -> String { - let place_str = construct_place_string(tcx, &place); + let place_str = construct_place_string(tcx, place); let capture_kind_str = match capture_info.capture_kind { ty::UpvarCapture::ByValue(_) => "ByValue".into(), @@ -2077,7 +2071,7 @@ fn construct_capture_kind_reason_string( } fn construct_path_string(tcx: TyCtxt<'_>, place: &Place<'tcx>) -> String { - let place_str = construct_place_string(tcx, &place); + let place_str = construct_place_string(tcx, place); format!("{} used here", place_str) } @@ -2087,7 +2081,7 @@ fn construct_capture_info_string( place: &Place<'tcx>, capture_info: &ty::CaptureInfo<'tcx>, ) -> String { - let place_str = construct_place_string(tcx, &place); + let place_str = construct_place_string(tcx, place); let capture_kind_str = match capture_info.capture_kind { ty::UpvarCapture::ByValue(_) => "ByValue".into(), diff --git a/compiler/rustc_typeck/src/check/wfcheck.rs b/compiler/rustc_typeck/src/check/wfcheck.rs index 48204590468..20cf9a75e12 100644 --- a/compiler/rustc_typeck/src/check/wfcheck.rs +++ b/compiler/rustc_typeck/src/check/wfcheck.rs @@ -144,20 +144,20 @@ pub fn check_item_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) { hir::ItemKind::Fn(ref sig, ..) => { check_item_fn(tcx, item.hir_id(), item.ident, item.span, sig.decl); } - hir::ItemKind::Static(ref ty, ..) => { + hir::ItemKind::Static(ty, ..) => { check_item_type(tcx, item.hir_id(), ty.span, false); } - hir::ItemKind::Const(ref ty, ..) => { + hir::ItemKind::Const(ty, ..) => { check_item_type(tcx, item.hir_id(), ty.span, false); } hir::ItemKind::ForeignMod { items, .. } => { for it in items.iter() { let it = tcx.hir().foreign_item(it.id); match it.kind { - hir::ForeignItemKind::Fn(ref decl, ..) => { + hir::ForeignItemKind::Fn(decl, ..) => { check_item_fn(tcx, it.hir_id(), it.ident, it.span, decl) } - hir::ForeignItemKind::Static(ref ty, ..) => { + hir::ForeignItemKind::Static(ty, ..) => { check_item_type(tcx, it.hir_id(), ty.span, true) } hir::ForeignItemKind::Type => (), @@ -198,7 +198,7 @@ pub fn check_trait_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { hir::TraitItemKind::Type(_bounds, Some(ty)) => (None, ty.span), _ => (None, trait_item.span), }; - check_object_unsafe_self_trait_by_name(tcx, &trait_item); + check_object_unsafe_self_trait_by_name(tcx, trait_item); check_associated_item(tcx, trait_item.hir_id(), span, method_sig); let encl_trait_hir_id = tcx.hir().get_parent_item(hir_id); @@ -218,7 +218,7 @@ pub fn check_trait_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { // We are looking at the `call` function of the `fn` or `fn_mut` lang item. // Do some rudimentary sanity checking to avoid an ICE later (issue #83471). if let Some(hir::FnSig { decl, span, .. }) = method_sig { - if let &[self_ty, _] = &decl.inputs { + if let [self_ty, _] = decl.inputs { if !matches!(self_ty.kind, hir::TyKind::Rptr(_, _)) { tcx.sess .struct_span_err( @@ -473,7 +473,7 @@ fn check_associated_item( item.def_id, &mut implied_bounds, ); - check_method_receiver(fcx, hir_sig, &item, self_ty); + check_method_receiver(fcx, hir_sig, item, self_ty); } ty::AssocKind::Type => { if let ty::AssocItemContainer::TraitContainer(_) = item.container { @@ -794,7 +794,7 @@ fn check_where_clauses<'tcx, 'fcx>( for param in &generics.params { match param.kind { GenericParamDefKind::Type { .. } => { - if is_our_default(¶m) { + if is_our_default(param) { let ty = tcx.type_of(param.def_id); // Ignore dependent defaults -- that is, where the default of one type // parameter includes another (e.g., `<T, U = T>`). In those cases, we can't @@ -809,7 +809,7 @@ fn check_where_clauses<'tcx, 'fcx>( } } GenericParamDefKind::Const { .. } => { - if is_our_default(¶m) { + if is_our_default(param) { // FIXME(const_generics_defaults): This // is incorrect when dealing with unused substs, for example // for `struct Foo<const N: usize, const M: usize = { 1 - 2 }>` diff --git a/compiler/rustc_typeck/src/check/writeback.rs b/compiler/rustc_typeck/src/check/writeback.rs index 2c0d926dd01..d951df94dcf 100644 --- a/compiler/rustc_typeck/src/check/writeback.rs +++ b/compiler/rustc_typeck/src/check/writeback.rs @@ -140,7 +140,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { // operating on scalars, we clear the overload. fn fix_scalar_builtin_expr(&mut self, e: &hir::Expr<'_>) { match e.kind { - hir::ExprKind::Unary(hir::UnOp::Neg | hir::UnOp::Not, ref inner) => { + hir::ExprKind::Unary(hir::UnOp::Neg | hir::UnOp::Not, inner) => { let inner_ty = self.fcx.node_ty(inner.hir_id); let inner_ty = self.fcx.resolve_vars_if_possible(inner_ty); @@ -150,8 +150,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { typeck_results.node_substs_mut().remove(e.hir_id); } } - hir::ExprKind::Binary(ref op, ref lhs, ref rhs) - | hir::ExprKind::AssignOp(ref op, ref lhs, ref rhs) => { + hir::ExprKind::Binary(ref op, lhs, rhs) | hir::ExprKind::AssignOp(ref op, lhs, rhs) => { let lhs_ty = self.fcx.node_ty(lhs.hir_id); let lhs_ty = self.fcx.resolve_vars_if_possible(lhs_ty); @@ -198,7 +197,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { // All valid indexing looks like this; might encounter non-valid indexes at this point. let base_ty = typeck_results - .expr_ty_adjusted_opt(&base) + .expr_ty_adjusted_opt(base) .map(|t| self.fcx.resolve_vars_if_possible(t).kind()); if base_ty.is_none() { // When encountering `return [0][0]` outside of a `fn` body we can encounter a base @@ -207,7 +206,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { self.tcx().sess.delay_span_bug(e.span, &format!("bad base: `{:?}`", base)); } if let Some(ty::Ref(_, base_ty, _)) = base_ty { - let index_ty = typeck_results.expr_ty_adjusted_opt(&index).unwrap_or_else(|| { + let index_ty = typeck_results.expr_ty_adjusted_opt(index).unwrap_or_else(|| { // When encountering `return [0][0]` outside of a `fn` body we would attempt // to access an unexistend index. We assume that more relevant errors will // already have been emitted, so we only gate on this with an ICE if no diff --git a/compiler/rustc_typeck/src/check_unused.rs b/compiler/rustc_typeck/src/check_unused.rs index 7b5d782b0cb..89ce3700aad 100644 --- a/compiler/rustc_typeck/src/check_unused.rs +++ b/compiler/rustc_typeck/src/check_unused.rs @@ -26,7 +26,7 @@ impl ItemLikeVisitor<'v> for CheckVisitor<'tcx> { if item.vis.node.is_pub() || item.span.is_dummy() { return; } - if let hir::ItemKind::Use(ref path, _) = item.kind { + if let hir::ItemKind::Use(path, _) = item.kind { self.check_import(item.item_id(), path.span); } } diff --git a/compiler/rustc_typeck/src/coherence/inherent_impls.rs b/compiler/rustc_typeck/src/coherence/inherent_impls.rs index 0b6d0a539b5..6a9ba9d4913 100644 --- a/compiler/rustc_typeck/src/coherence/inherent_impls.rs +++ b/compiler/rustc_typeck/src/coherence/inherent_impls.rs @@ -56,7 +56,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { ty::Foreign(did) => { self.check_def_id(item, did); } - ty::Dynamic(ref data, ..) if data.principal_def_id().is_some() => { + ty::Dynamic(data, ..) if data.principal_def_id().is_some() => { self.check_def_id(item, data.principal_def_id().unwrap()); } ty::Dynamic(..) => { @@ -410,7 +410,7 @@ impl InherentCollect<'tcx> { // OK } _ => { - let to_implement = if assoc_items.len() == 0 { + let to_implement = if assoc_items.is_empty() { String::new() } else { let plural = assoc_items.len() > 1; diff --git a/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs b/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs index 11ffd61cb2e..b5eb74f708d 100644 --- a/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs +++ b/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs @@ -187,7 +187,7 @@ impl ItemLikeVisitor<'v> for InherentOverlapChecker<'tcx> { .collect::<FxHashSet<usize>>(); match ids.len() { 0 | 1 => { - let id_to_set = if ids.len() == 0 { + let id_to_set = if ids.is_empty() { // Create a new connected region let region = ConnectedRegion { idents: idents_to_add, diff --git a/compiler/rustc_typeck/src/coherence/mod.rs b/compiler/rustc_typeck/src/coherence/mod.rs index 7ac26a31872..079604f128d 100644 --- a/compiler/rustc_typeck/src/coherence/mod.rs +++ b/compiler/rustc_typeck/src/coherence/mod.rs @@ -221,7 +221,7 @@ fn check_object_overlap<'tcx>( } // check for overlap with the automatic `impl Trait for dyn Trait` - if let ty::Dynamic(ref data, ..) = trait_ref.self_ty().kind() { + if let ty::Dynamic(data, ..) = trait_ref.self_ty().kind() { // This is something like impl Trait1 for Trait2. Illegal // if Trait1 is a supertrait of Trait2 or Trait2 is not object safe. diff --git a/compiler/rustc_typeck/src/collect.rs b/compiler/rustc_typeck/src/collect.rs index 51f9f459af1..f21c5c760ea 100644 --- a/compiler/rustc_typeck/src/collect.rs +++ b/compiler/rustc_typeck/src/collect.rs @@ -199,20 +199,16 @@ crate fn placeholder_type_error( let parent_id = tcx.hir().get_parent_node(hir_ty.hir_id); let parent_node = tcx.hir().get(parent_id); - is_const_or_static = match parent_node { + is_const_or_static = matches!( + parent_node, Node::Item(&hir::Item { kind: hir::ItemKind::Const(..) | hir::ItemKind::Static(..), .. - }) - | Node::TraitItem(&hir::TraitItem { + }) | Node::TraitItem(&hir::TraitItem { kind: hir::TraitItemKind::Const(..), .. - }) - | Node::ImplItem(&hir::ImplItem { - kind: hir::ImplItemKind::Const(..), .. - }) => true, - _ => false, - }; + }) | Node::ImplItem(&hir::ImplItem { kind: hir::ImplItemKind::Const(..), .. }) + ); } } @@ -681,10 +677,10 @@ impl ItemCtxt<'tcx> { _ => None, }) .flat_map(|bp| { - let bt = if is_param(self.tcx, &bp.bounded_ty, param_id) { + let bt = if is_param(self.tcx, bp.bounded_ty, param_id) { Some(ty) } else if !only_self_bounds.0 { - Some(self.to_ty(&bp.bounded_ty)) + Some(self.to_ty(bp.bounded_ty)) } else { None }; @@ -723,7 +719,7 @@ impl ItemCtxt<'tcx> { /// `ast_ty_to_ty`, because we want to avoid triggering an all-out /// conversion of the type to avoid inducing unnecessary cycles. fn is_param(tcx: TyCtxt<'_>, ast_ty: &hir::Ty<'_>, param_id: hir::HirId) -> bool { - if let hir::TyKind::Path(hir::QPath::Resolved(None, ref path)) = ast_ty.kind { + if let hir::TyKind::Path(hir::QPath::Resolved(None, path)) = ast_ty.kind { match path.res { Res::SelfTy(Some(def_id), None) | Res::Def(DefKind::TyParam, def_id) => { def_id == tcx.hir().local_def_id(param_id).to_def_id() @@ -776,7 +772,7 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { tcx.ensure().generics_of(def_id); tcx.ensure().type_of(def_id); tcx.ensure().predicates_of(def_id); - convert_enum_variant_types(tcx, def_id.to_def_id(), &enum_definition.variants); + convert_enum_variant_types(tcx, def_id.to_def_id(), enum_definition.variants); } hir::ItemKind::Impl { .. } => { tcx.ensure().generics_of(def_id); @@ -1153,11 +1149,11 @@ fn super_predicates_that_define_assoc_type( <dyn AstConv<'_>>::compute_bounds_that_match_assoc_type( &icx, self_param_ty, - &bounds, + bounds, assoc_name, ) } else { - <dyn AstConv<'_>>::compute_bounds(&icx, self_param_ty, &bounds) + <dyn AstConv<'_>>::compute_bounds(&icx, self_param_ty, bounds) }; let superbounds1 = superbounds1.predicates(tcx, self_param_ty); @@ -1334,25 +1330,25 @@ fn has_late_bound_regions<'tcx>(tcx: TyCtxt<'tcx>, node: Node<'tcx>) -> Option<S match node { Node::TraitItem(item) => match item.kind { hir::TraitItemKind::Fn(ref sig, _) => { - has_late_bound_regions(tcx, &item.generics, &sig.decl) + has_late_bound_regions(tcx, &item.generics, sig.decl) } _ => None, }, Node::ImplItem(item) => match item.kind { hir::ImplItemKind::Fn(ref sig, _) => { - has_late_bound_regions(tcx, &item.generics, &sig.decl) + has_late_bound_regions(tcx, &item.generics, sig.decl) } _ => None, }, Node::ForeignItem(item) => match item.kind { - hir::ForeignItemKind::Fn(ref fn_decl, _, ref generics) => { + hir::ForeignItemKind::Fn(fn_decl, _, ref generics) => { has_late_bound_regions(tcx, generics, fn_decl) } _ => None, }, Node::Item(item) => match item.kind { hir::ItemKind::Fn(ref sig, .., ref generics, _) => { - has_late_bound_regions(tcx, generics, &sig.decl) + has_late_bound_regions(tcx, generics, sig.decl) } _ => None, }, @@ -1374,7 +1370,7 @@ impl<'v> Visitor<'v> for AnonConstInParamTyDetector { } fn visit_generic_param(&mut self, p: &'v hir::GenericParam<'v>) { - if let GenericParamKind::Const { ref ty, default: _ } = p.kind { + if let GenericParamKind::Const { ty, default: _ } = p.kind { let prev = self.in_param_ty; self.in_param_ty = true; self.visit_ty(ty); @@ -1587,7 +1583,7 @@ fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { let mut own_start = has_self as u32; let parent_count = parent_def_id.map_or(0, |def_id| { let generics = tcx.generics_of(def_id); - assert_eq!(has_self, false); + assert!(!has_self); parent_has_self = generics.has_self; own_start = generics.count() as u32; generics.parent_count + generics.params.len() @@ -1738,9 +1734,9 @@ fn is_suggestable_infer_ty(ty: &hir::Ty<'_>) -> bool { } pub fn get_infer_ret_ty(output: &'hir hir::FnRetTy<'hir>) -> Option<&'hir hir::Ty<'hir>> { - if let hir::FnRetTy::Return(ref ty) = output { + if let hir::FnRetTy::Return(ty) = output { if is_suggestable_infer_ty(ty) { - return Some(&**ty); + return Some(&*ty); } } None @@ -1810,8 +1806,8 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { hir_id, sig.header.unsafety, sig.header.abi, - &sig.decl, - &generics, + sig.decl, + generics, Some(ident.span), None, ), @@ -1829,15 +1825,13 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { header.unsafety, header.abi, decl, - &generics, + generics, Some(ident.span), None, ), ForeignItem(&hir::ForeignItem { - kind: ForeignItemKind::Fn(ref fn_decl, _, _), - ident, - .. + kind: ForeignItemKind::Fn(fn_decl, _, _), ident, .. }) => { let abi = tcx.hir().get_foreign_abi(hir_id); compute_sig_of_foreign_fn_decl(tcx, def_id.to_def_id(), fn_decl, abi, ident) @@ -2042,9 +2036,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP match item.kind { ItemKind::Impl(ref impl_) => { if impl_.defaultness.is_default() { - is_default_impl_trait = tcx - .impl_trait_ref(def_id) - .map(|trait_ref| ty::Binder::dummy(trait_ref)); + is_default_impl_trait = tcx.impl_trait_ref(def_id).map(ty::Binder::dummy); } &impl_.generics } @@ -2143,7 +2135,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP GenericParamKind::Lifetime { .. } => { param.bounds.iter().for_each(|bound| match bound { hir::GenericBound::Outlives(lt) => { - let bound = <dyn AstConv<'_>>::ast_region_to_region(&icx, <, None); + let bound = <dyn AstConv<'_>>::ast_region_to_region(&icx, lt, None); let outlives = ty::Binder::dummy(ty::OutlivesPredicate(region, bound)); predicates.insert((outlives.to_predicate(tcx), lt.span)); } @@ -2165,12 +2157,12 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP let param_ty = ty::ParamTy::new(index, name).to_ty(tcx); index += 1; - let mut bounds = <dyn AstConv<'_>>::compute_bounds(&icx, param_ty, ¶m.bounds); + let mut bounds = <dyn AstConv<'_>>::compute_bounds(&icx, param_ty, param.bounds); // Params are implicitly sized unless a `?Sized` bound is found <dyn AstConv<'_>>::add_implicitly_sized( &icx, &mut bounds, - ¶m.bounds, + param.bounds, Some((param.hir_id, ast_generics.where_clause.predicates)), param.span, ); @@ -2189,7 +2181,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP for predicate in where_clause.predicates { match predicate { hir::WherePredicate::BoundPredicate(bound_pred) => { - let ty = icx.to_ty(&bound_pred.bounded_ty); + let ty = icx.to_ty(bound_pred.bounded_ty); let bound_vars = icx.tcx.late_bound_vars(bound_pred.bounded_ty.hir_id); // Keep the type around in a dummy predicate, in case of no bounds. @@ -2410,7 +2402,7 @@ fn explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericPredicat } else { if matches!(def_kind, DefKind::AnonConst) && tcx.lazy_normalization() { let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); - if let Some(_) = tcx.hir().opt_const_param_default_param_hir_id(hir_id) { + if tcx.hir().opt_const_param_default_param_hir_id(hir_id).is_some() { // In `generics_of` we set the generics' parent to be our parent's parent which means that // we lose out on the predicates of our actual parent if we dont return those predicates here. // (See comment in `generics_of` for more information on why the parent shenanigans is necessary) @@ -2503,10 +2495,10 @@ fn compute_sig_of_foreign_fn_decl<'tcx>( } }; for (input, ty) in iter::zip(decl.inputs, fty.inputs().skip_binder()) { - check(&input, ty) + check(input, ty) } if let hir::FnRetTy::Return(ref ty) = decl.output { - check(&ty, fty.output().skip_binder()) + check(ty, fty.output().skip_binder()) } } @@ -2561,7 +2553,7 @@ fn from_target_feature( let msg = "malformed `target_feature` attribute input"; let code = "enable = \"..\"".to_owned(); tcx.sess - .struct_span_err(span, &msg) + .struct_span_err(span, msg) .span_suggestion(span, "must be of the form", code, Applicability::HasPlaceholders) .emit(); }; @@ -2846,7 +2838,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { tcx, id, attr, - &supported_target_features, + supported_target_features, &mut codegen_fn_attrs.target_features, ); } else if attr.has_name(sym::linkage) { @@ -3113,7 +3105,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { codegen_fn_attrs.flags |= CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL; } let check_name = |attr: &Attribute, sym| attr.has_name(sym); - if let Some(name) = weak_lang_items::link_name(check_name, &attrs) { + if let Some(name) = weak_lang_items::link_name(check_name, attrs) { codegen_fn_attrs.export_name = Some(name); codegen_fn_attrs.link_name = Some(name); } diff --git a/compiler/rustc_typeck/src/collect/item_bounds.rs b/compiler/rustc_typeck/src/collect/item_bounds.rs index 2bc048ac8a0..26cad8fb180 100644 --- a/compiler/rustc_typeck/src/collect/item_bounds.rs +++ b/compiler/rustc_typeck/src/collect/item_bounds.rs @@ -26,9 +26,9 @@ fn associated_type_bounds<'tcx>( ); let icx = ItemCtxt::new(tcx, assoc_item_def_id); - let mut bounds = <dyn AstConv<'_>>::compute_bounds(&icx, item_ty, &ast_bounds); + let mut bounds = <dyn AstConv<'_>>::compute_bounds(&icx, item_ty, ast_bounds); // Associated types are implicitly sized unless a `?Sized` bound is found - <dyn AstConv<'_>>::add_implicitly_sized(&icx, &mut bounds, &ast_bounds, None, span); + <dyn AstConv<'_>>::add_implicitly_sized(&icx, &mut bounds, ast_bounds, None, span); let trait_def_id = tcx.associated_item(assoc_item_def_id).container.id(); let trait_predicates = tcx.trait_explicit_predicates_and_bounds(trait_def_id.expect_local()); @@ -64,9 +64,9 @@ fn opaque_type_bounds<'tcx>( tcx.mk_opaque(opaque_def_id, InternalSubsts::identity_for_item(tcx, opaque_def_id)); let icx = ItemCtxt::new(tcx, opaque_def_id); - let mut bounds = <dyn AstConv<'_>>::compute_bounds(&icx, item_ty, &ast_bounds); + let mut bounds = <dyn AstConv<'_>>::compute_bounds(&icx, item_ty, ast_bounds); // Opaque types are implicitly sized unless a `?Sized` bound is found - <dyn AstConv<'_>>::add_implicitly_sized(&icx, &mut bounds, &ast_bounds, None, span); + <dyn AstConv<'_>>::add_implicitly_sized(&icx, &mut bounds, ast_bounds, None, span); let bounds = bounds.predicates(tcx, item_ty); debug!("opaque_type_bounds({}) = {:?}", tcx.def_path_str(opaque_def_id), bounds); diff --git a/compiler/rustc_typeck/src/collect/type_of.rs b/compiler/rustc_typeck/src/collect/type_of.rs index 7a14d7f3d28..2e607de1d33 100644 --- a/compiler/rustc_typeck/src/collect/type_of.rs +++ b/compiler/rustc_typeck/src/collect/type_of.rs @@ -312,7 +312,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { let substs = InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); tcx.mk_fn_def(def_id.to_def_id(), substs) } - TraitItemKind::Const(ref ty, body_id) => body_id + TraitItemKind::Const(ty, body_id) => body_id .and_then(|body_id| { if is_suggestable_infer_ty(ty) { Some(infer_placeholder_type( @@ -323,7 +323,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { } }) .unwrap_or_else(|| icx.to_ty(ty)), - TraitItemKind::Type(_, Some(ref ty)) => icx.to_ty(ty), + TraitItemKind::Type(_, Some(ty)) => icx.to_ty(ty), TraitItemKind::Type(_, None) => { span_bug!(item.span, "associated type missing default"); } @@ -334,14 +334,14 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { let substs = InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); tcx.mk_fn_def(def_id.to_def_id(), substs) } - ImplItemKind::Const(ref ty, body_id) => { + ImplItemKind::Const(ty, body_id) => { if is_suggestable_infer_ty(ty) { infer_placeholder_type(tcx, def_id, body_id, ty.span, item.ident, "constant") } else { icx.to_ty(ty) } } - ImplItemKind::TyAlias(ref ty) => { + ImplItemKind::TyAlias(ty) => { if tcx.impl_trait_ref(tcx.hir().get_parent_did(hir_id).to_def_id()).is_none() { check_feature_inherent_assoc_ty(tcx, item.span); } @@ -352,7 +352,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { Node::Item(item) => { match item.kind { - ItemKind::Static(ref ty, .., body_id) => { + ItemKind::Static(ty, .., body_id) => { if is_suggestable_infer_ty(ty) { infer_placeholder_type( tcx, @@ -366,7 +366,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { icx.to_ty(ty) } } - ItemKind::Const(ref ty, body_id) => { + ItemKind::Const(ty, body_id) => { if is_suggestable_infer_ty(ty) { infer_placeholder_type( tcx, def_id, body_id, ty.span, item.ident, "constant", @@ -375,8 +375,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { icx.to_ty(ty) } } - ItemKind::TyAlias(ref self_ty, _) - | ItemKind::Impl(hir::Impl { ref self_ty, .. }) => icx.to_ty(self_ty), + ItemKind::TyAlias(self_ty, _) + | ItemKind::Impl(hir::Impl { self_ty, .. }) => icx.to_ty(self_ty), ItemKind::Fn(..) => { let substs = InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); tcx.mk_fn_def(def_id.to_def_id(), substs) @@ -395,7 +395,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { .mir_borrowck(owner.expect_local()) .concrete_opaque_types .get_value_matching(|(key, _)| key.def_id == def_id.to_def_id()) - .map(|concrete_ty| *concrete_ty) + .copied() .unwrap_or_else(|| { tcx.sess.delay_span_bug( DUMMY_SP, @@ -446,7 +446,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { let substs = InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); tcx.mk_fn_def(def_id.to_def_id(), substs) } - ForeignItemKind::Static(ref t, _) => icx.to_ty(t), + ForeignItemKind::Static(t, _) => icx.to_ty(t), ForeignItemKind::Type => tcx.mk_foreign(def_id.to_def_id()), }, @@ -460,7 +460,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { } }, - Node::Field(field) => icx.to_ty(&field.ty), + Node::Field(field) => icx.to_ty(field.ty), Node::Expr(&Expr { kind: ExprKind::Closure(.., gen), .. }) => { let substs = InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); @@ -685,9 +685,9 @@ fn find_opaque_ty_constraints(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Ty<'_> { // // requires us to explicitly process `foo()` in order // to notice the defining usage of `Blah`. - Node::Item(ref it) => locator.visit_item(it), - Node::ImplItem(ref it) => locator.visit_impl_item(it), - Node::TraitItem(ref it) => locator.visit_trait_item(it), + Node::Item(it) => locator.visit_item(it), + Node::ImplItem(it) => locator.visit_impl_item(it), + Node::TraitItem(it) => locator.visit_trait_item(it), other => bug!("{:?} is not a valid scope for an opaque type item", other), } } diff --git a/compiler/rustc_typeck/src/constrained_generic_params.rs b/compiler/rustc_typeck/src/constrained_generic_params.rs index 9b6f0be47ca..88877ad7852 100644 --- a/compiler/rustc_typeck/src/constrained_generic_params.rs +++ b/compiler/rustc_typeck/src/constrained_generic_params.rs @@ -206,7 +206,7 @@ pub fn setup_constraining_predicates<'tcx>( // Then the projection only applies if `T` is known, but it still // does not determine `U`. let inputs = parameters_for(tcx, &projection.projection_ty, true); - let relies_only_on_inputs = inputs.iter().all(|p| input_parameters.contains(&p)); + let relies_only_on_inputs = inputs.iter().all(|p| input_parameters.contains(p)); if !relies_only_on_inputs { continue; } diff --git a/compiler/rustc_typeck/src/expr_use_visitor.rs b/compiler/rustc_typeck/src/expr_use_visitor.rs index b5c4d6ac261..7d0600b99e3 100644 --- a/compiler/rustc_typeck/src/expr_use_visitor.rs +++ b/compiler/rustc_typeck/src/expr_use_visitor.rs @@ -124,12 +124,12 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { #[instrument(skip(self), level = "debug")] pub fn consume_body(&mut self, body: &hir::Body<'_>) { for param in body.params { - let param_ty = return_if_err!(self.mc.pat_ty_adjusted(¶m.pat)); + let param_ty = return_if_err!(self.mc.pat_ty_adjusted(param.pat)); debug!("consume_body: param_ty = {:?}", param_ty); let param_place = self.mc.cat_rvalue(param.hir_id, param.pat.span, param_ty); - self.walk_irrefutable_pat(¶m_place, ¶m.pat); + self.walk_irrefutable_pat(¶m_place, param.pat); } self.consume_expr(&body.value); @@ -145,7 +145,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { fn consume_exprs(&mut self, exprs: &[hir::Expr<'_>]) { for expr in exprs { - self.consume_expr(&expr); + self.consume_expr(expr); } } @@ -184,57 +184,57 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { match expr.kind { hir::ExprKind::Path(_) => {} - hir::ExprKind::Type(ref subexpr, _) => self.walk_expr(subexpr), + hir::ExprKind::Type(subexpr, _) => self.walk_expr(subexpr), - hir::ExprKind::Unary(hir::UnOp::Deref, ref base) => { + hir::ExprKind::Unary(hir::UnOp::Deref, base) => { // *base self.select_from_expr(base); } - hir::ExprKind::Field(ref base, _) => { + hir::ExprKind::Field(base, _) => { // base.f self.select_from_expr(base); } - hir::ExprKind::Index(ref lhs, ref rhs) => { + hir::ExprKind::Index(lhs, rhs) => { // lhs[rhs] self.select_from_expr(lhs); self.consume_expr(rhs); } - hir::ExprKind::Call(ref callee, ref args) => { + hir::ExprKind::Call(callee, args) => { // callee(args) self.consume_expr(callee); self.consume_exprs(args); } - hir::ExprKind::MethodCall(.., ref args, _) => { + hir::ExprKind::MethodCall(.., args, _) => { // callee.m(args) self.consume_exprs(args); } - hir::ExprKind::Struct(_, ref fields, ref opt_with) => { + hir::ExprKind::Struct(_, fields, ref opt_with) => { self.walk_struct_expr(fields, opt_with); } - hir::ExprKind::Tup(ref exprs) => { + hir::ExprKind::Tup(exprs) => { self.consume_exprs(exprs); } hir::ExprKind::If(ref cond_expr, ref then_expr, ref opt_else_expr) => { - self.consume_expr(&cond_expr); - self.consume_expr(&then_expr); + self.consume_expr(cond_expr); + self.consume_expr(then_expr); if let Some(ref else_expr) = *opt_else_expr { - self.consume_expr(&else_expr); + self.consume_expr(else_expr); } } - hir::ExprKind::Let(ref pat, ref expr, _) => { - self.walk_local(expr, pat, |t| t.borrow_expr(&expr, ty::ImmBorrow)); + hir::ExprKind::Let(pat, ref expr, _) => { + self.walk_local(expr, pat, |t| t.borrow_expr(expr, ty::ImmBorrow)); } hir::ExprKind::Match(ref discr, arms, _) => { - let discr_place = return_if_err!(self.mc.cat_expr(&discr)); + let discr_place = return_if_err!(self.mc.cat_expr(discr)); // Matching should not always be considered a use of the place, hence // discr does not necessarily need to be borrowed. @@ -243,7 +243,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { let ExprUseVisitor { ref mc, body_owner: _, delegate: _ } = *self; let mut needs_to_be_read = false; for arm in arms.iter() { - return_if_err!(mc.cat_pattern(discr_place.clone(), &arm.pat, |place, pat| { + return_if_err!(mc.cat_pattern(discr_place.clone(), arm.pat, |place, pat| { match &pat.kind { PatKind::Binding(.., opt_sub_pat) => { // If the opt_sub_pat is None, than the binding does not count as @@ -303,7 +303,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } if needs_to_be_read { - self.borrow_expr(&discr, ty::ImmBorrow); + self.borrow_expr(discr, ty::ImmBorrow); } else { let closure_def_id = match discr_place.place.base { PlaceBase::Upvar(upvar_id) => Some(upvar_id.closure_expr_id.to_def_id()), @@ -318,7 +318,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { // We always want to walk the discriminant. We want to make sure, for instance, // that the discriminant has been initialized. - self.walk_expr(&discr); + self.walk_expr(discr); } // treatment of the discriminant is handled while walking the arms. @@ -327,7 +327,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } } - hir::ExprKind::Array(ref exprs) => { + hir::ExprKind::Array(exprs) => { self.consume_exprs(exprs); } @@ -336,10 +336,10 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { // make sure that the thing we are pointing out stays valid // for the lifetime `scope_r` of the resulting ptr: let bk = ty::BorrowKind::from_mutbl(m); - self.borrow_expr(&base, bk); + self.borrow_expr(base, bk); } - hir::ExprKind::InlineAsm(ref asm) => { + hir::ExprKind::InlineAsm(asm) => { for (op, _op_sp) in asm.operands { match op { hir::InlineAsmOperand::In { expr, .. } @@ -360,7 +360,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } } - hir::ExprKind::LlvmInlineAsm(ref ia) => { + hir::ExprKind::LlvmInlineAsm(ia) => { for (o, output) in iter::zip(&ia.inner.outputs, ia.outputs_exprs) { if o.is_indirect { self.consume_expr(output); @@ -368,7 +368,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { self.mutate_expr(output); } } - self.consume_exprs(&ia.inputs_exprs); + self.consume_exprs(ia.inputs_exprs); } hir::ExprKind::Continue(..) @@ -376,43 +376,43 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { | hir::ExprKind::ConstBlock(..) | hir::ExprKind::Err => {} - hir::ExprKind::Loop(ref blk, ..) => { + hir::ExprKind::Loop(blk, ..) => { self.walk_block(blk); } - hir::ExprKind::Unary(_, ref lhs) => { + hir::ExprKind::Unary(_, lhs) => { self.consume_expr(lhs); } - hir::ExprKind::Binary(_, ref lhs, ref rhs) => { + hir::ExprKind::Binary(_, lhs, rhs) => { self.consume_expr(lhs); self.consume_expr(rhs); } - hir::ExprKind::Block(ref blk, _) => { + hir::ExprKind::Block(blk, _) => { self.walk_block(blk); } hir::ExprKind::Break(_, ref opt_expr) | hir::ExprKind::Ret(ref opt_expr) => { - if let Some(ref expr) = *opt_expr { + if let Some(expr) = *opt_expr { self.consume_expr(expr); } } - hir::ExprKind::Assign(ref lhs, ref rhs, _) => { + hir::ExprKind::Assign(lhs, rhs, _) => { self.mutate_expr(lhs); self.consume_expr(rhs); } - hir::ExprKind::Cast(ref base, _) => { + hir::ExprKind::Cast(base, _) => { self.consume_expr(base); } - hir::ExprKind::DropTemps(ref expr) => { + hir::ExprKind::DropTemps(expr) => { self.consume_expr(expr); } - hir::ExprKind::AssignOp(_, ref lhs, ref rhs) => { + hir::ExprKind::AssignOp(_, lhs, rhs) => { if self.mc.typeck_results.is_method_call(expr) { self.consume_expr(lhs); } else { @@ -421,7 +421,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { self.consume_expr(rhs); } - hir::ExprKind::Repeat(ref base, _) => { + hir::ExprKind::Repeat(base, _) => { self.consume_expr(base); } @@ -433,7 +433,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { self.consume_expr(base); } - hir::ExprKind::Yield(ref value, _) => { + hir::ExprKind::Yield(value, _) => { self.consume_expr(value); } } @@ -441,7 +441,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { fn walk_stmt(&mut self, stmt: &hir::Stmt<'_>) { match stmt.kind { - hir::StmtKind::Local(hir::Local { pat, init: Some(ref expr), .. }) => { + hir::StmtKind::Local(hir::Local { pat, init: Some(expr), .. }) => { self.walk_local(expr, pat, |_| {}); } @@ -453,7 +453,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } hir::StmtKind::Expr(ref expr) | hir::StmtKind::Semi(ref expr) => { - self.consume_expr(&expr); + self.consume_expr(expr); } } } @@ -462,8 +462,8 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { where F: FnMut(&mut Self), { - self.walk_expr(&expr); - let expr_place = return_if_err!(self.mc.cat_expr(&expr)); + self.walk_expr(expr); + let expr_place = return_if_err!(self.mc.cat_expr(expr)); f(self); self.walk_irrefutable_pat(&expr_place, &pat); } @@ -478,7 +478,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } if let Some(ref tail_expr) = blk.expr { - self.consume_expr(&tail_expr); + self.consume_expr(tail_expr); } } @@ -489,17 +489,17 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { ) { // Consume the expressions supplying values for each field. for field in fields { - self.consume_expr(&field.expr); + self.consume_expr(field.expr); } let with_expr = match *opt_with { - Some(ref w) => &**w, + Some(w) => &*w, None => { return; } }; - let with_place = return_if_err!(self.mc.cat_expr(&with_expr)); + let with_place = return_if_err!(self.mc.cat_expr(with_expr)); // Select just those fields of the `with` // expression that will actually be used @@ -569,7 +569,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } } place_with_id = - return_if_err!(self.mc.cat_expr_adjusted(expr, place_with_id, &adjustment)); + return_if_err!(self.mc.cat_expr_adjusted(expr, place_with_id, adjustment)); } } @@ -615,15 +615,15 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { FakeReadCause::ForMatchedPlace(closure_def_id), discr_place.hir_id, ); - self.walk_pat(discr_place, &arm.pat); + self.walk_pat(discr_place, arm.pat); - if let Some(hir::Guard::If(ref e)) = arm.guard { + if let Some(hir::Guard::If(e)) = arm.guard { self.consume_expr(e) } else if let Some(hir::Guard::IfLet(_, ref e)) = arm.guard { self.consume_expr(e) } - self.consume_expr(&arm.body); + self.consume_expr(arm.body); } /// Walks a pat that occurs in isolation (i.e., top-level of fn argument or @@ -836,7 +836,7 @@ fn delegate_consume<'a, 'tcx>( ) { debug!("delegate_consume(place_with_id={:?})", place_with_id); - let mode = copy_or_move(&mc, place_with_id); + let mode = copy_or_move(mc, place_with_id); match mode { ConsumeMode::Move => delegate.consume(place_with_id, diag_expr_id), diff --git a/compiler/rustc_typeck/src/lib.rs b/compiler/rustc_typeck/src/lib.rs index f8714cdc70c..8ff074e2fe5 100644 --- a/compiler/rustc_typeck/src/lib.rs +++ b/compiler/rustc_typeck/src/lib.rs @@ -143,7 +143,7 @@ fn require_same_types<'tcx>( tcx.infer_ctxt().enter(|ref infcx| { let param_env = ty::ParamEnv::empty(); let mut fulfill_cx = <dyn TraitEngine<'_>>::new(infcx.tcx); - match infcx.at(&cause, param_env).eq(expected, actual) { + match infcx.at(cause, param_env).eq(expected, actual) { Ok(InferOk { obligations, .. }) => { fulfill_cx.register_predicate_obligations(infcx, obligations); } @@ -187,9 +187,11 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) { let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); match tcx.hir().find(hir_id) { Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, ref generics, _), .. })) => { - let generics_param_span = - if !generics.params.is_empty() { Some(generics.span) } else { None }; - generics_param_span + if !generics.params.is_empty() { + Some(generics.span) + } else { + None + } } _ => { span_bug!(tcx.def_span(def_id), "main has a non-function type"); diff --git a/compiler/rustc_typeck/src/mem_categorization.rs b/compiler/rustc_typeck/src/mem_categorization.rs index f876d0f2513..440ce04e61a 100644 --- a/compiler/rustc_typeck/src/mem_categorization.rs +++ b/compiler/rustc_typeck/src/mem_categorization.rs @@ -307,13 +307,13 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { if self.typeck_results.is_method_call(expr) { self.cat_overloaded_place(expr, e_base) } else { - let base = self.cat_expr(&e_base)?; + let base = self.cat_expr(e_base)?; self.cat_deref(expr, base) } } hir::ExprKind::Field(ref base, _) => { - let base = self.cat_expr(&base)?; + let base = self.cat_expr(base)?; debug!("cat_expr(cat_field): id={} expr={:?} base={:?}", expr.hir_id, expr, base); let field_idx = self @@ -340,7 +340,7 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { // dereferencing. self.cat_overloaded_place(expr, base) } else { - let base = self.cat_expr(&base)?; + let base = self.cat_expr(base)?; Ok(self.cat_projection(expr, base, expr_ty, ProjectionKind::Index)) } } @@ -350,7 +350,7 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { self.cat_res(expr.hir_id, expr.span, expr_ty, res) } - hir::ExprKind::Type(ref e, _) => self.cat_expr(&e), + hir::ExprKind::Type(ref e, _) => self.cat_expr(e), hir::ExprKind::AddrOf(..) | hir::ExprKind::Call(..) @@ -674,31 +674,31 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { op(&place_with_id, pat); match pat.kind { - PatKind::Tuple(ref subpats, dots_pos) => { + PatKind::Tuple(subpats, dots_pos) => { // (p1, ..., pN) let total_fields = self.total_fields_in_tuple(pat.hir_id, pat.span)?; for (i, subpat) in subpats.iter().enumerate_and_adjust(total_fields, dots_pos) { - let subpat_ty = self.pat_ty_adjusted(&subpat)?; + let subpat_ty = self.pat_ty_adjusted(subpat)?; let projection_kind = ProjectionKind::Field(i as u32, VariantIdx::new(0)); let sub_place = self.cat_projection(pat, place_with_id.clone(), subpat_ty, projection_kind); - self.cat_pattern_(sub_place, &subpat, op)?; + self.cat_pattern_(sub_place, subpat, op)?; } } - PatKind::TupleStruct(ref qpath, ref subpats, dots_pos) => { + PatKind::TupleStruct(ref qpath, subpats, dots_pos) => { // S(p1, ..., pN) let variant_index = self.variant_index_for_adt(qpath, pat.hir_id, pat.span)?; let total_fields = self.total_fields_in_adt_variant(pat.hir_id, variant_index, pat.span)?; for (i, subpat) in subpats.iter().enumerate_and_adjust(total_fields, dots_pos) { - let subpat_ty = self.pat_ty_adjusted(&subpat)?; + let subpat_ty = self.pat_ty_adjusted(subpat)?; let projection_kind = ProjectionKind::Field(i as u32, variant_index); let sub_place = self.cat_projection(pat, place_with_id.clone(), subpat_ty, projection_kind); - self.cat_pattern_(sub_place, &subpat, op)?; + self.cat_pattern_(sub_place, subpat, op)?; } } @@ -708,7 +708,7 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { let variant_index = self.variant_index_for_adt(qpath, pat.hir_id, pat.span)?; for fp in field_pats { - let field_ty = self.pat_ty_adjusted(&fp.pat)?; + let field_ty = self.pat_ty_adjusted(fp.pat)?; let field_index = self .typeck_results .field_indices() @@ -722,18 +722,18 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { field_ty, ProjectionKind::Field(field_index as u32, variant_index), ); - self.cat_pattern_(field_place, &fp.pat, op)?; + self.cat_pattern_(field_place, fp.pat, op)?; } } PatKind::Or(pats) => { for pat in pats { - self.cat_pattern_(place_with_id.clone(), &pat, op)?; + self.cat_pattern_(place_with_id.clone(), pat, op)?; } } PatKind::Binding(.., Some(ref subpat)) => { - self.cat_pattern_(place_with_id, &subpat, op)?; + self.cat_pattern_(place_with_id, subpat, op)?; } PatKind::Box(ref subpat) | PatKind::Ref(ref subpat, _) => { @@ -741,7 +741,7 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { // PatKind::Ref since that information is already contained // in the type. let subplace = self.cat_deref(pat, place_with_id)?; - self.cat_pattern_(subplace, &subpat, op)?; + self.cat_pattern_(subplace, subpat, op)?; } PatKind::Slice(before, ref slice, after) => { @@ -759,20 +759,20 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { ProjectionKind::Index, ); for before_pat in before { - self.cat_pattern_(elt_place.clone(), &before_pat, op)?; + self.cat_pattern_(elt_place.clone(), before_pat, op)?; } if let Some(ref slice_pat) = *slice { - let slice_pat_ty = self.pat_ty_adjusted(&slice_pat)?; + let slice_pat_ty = self.pat_ty_adjusted(slice_pat)?; let slice_place = self.cat_projection( pat, place_with_id, slice_pat_ty, ProjectionKind::Subslice, ); - self.cat_pattern_(slice_place, &slice_pat, op)?; + self.cat_pattern_(slice_place, slice_pat, op)?; } for after_pat in after { - self.cat_pattern_(elt_place.clone(), &after_pat, op)?; + self.cat_pattern_(elt_place.clone(), after_pat, op)?; } } diff --git a/compiler/rustc_typeck/src/outlives/explicit.rs b/compiler/rustc_typeck/src/outlives/explicit.rs index 2ac1a18cffa..bbf31de527e 100644 --- a/compiler/rustc_typeck/src/outlives/explicit.rs +++ b/compiler/rustc_typeck/src/outlives/explicit.rs @@ -30,20 +30,20 @@ impl<'tcx> ExplicitPredicatesMap<'tcx> { // process predicates and convert to `RequiredPredicates` entry, see below for &(predicate, span) in predicates.predicates { match predicate.kind().skip_binder() { - ty::PredicateKind::TypeOutlives(OutlivesPredicate(ref ty, ref reg)) => { + ty::PredicateKind::TypeOutlives(OutlivesPredicate(ty, reg)) => { insert_outlives_predicate( tcx, - (*ty).into(), + ty.into(), reg, span, &mut required_predicates, ) } - ty::PredicateKind::RegionOutlives(OutlivesPredicate(ref reg1, ref reg2)) => { + ty::PredicateKind::RegionOutlives(OutlivesPredicate(reg1, reg2)) => { insert_outlives_predicate( tcx, - (*reg1).into(), + reg1.into(), reg2, span, &mut required_predicates, diff --git a/compiler/rustc_typeck/src/outlives/mod.rs b/compiler/rustc_typeck/src/outlives/mod.rs index 9c6efffdaf0..957ff252519 100644 --- a/compiler/rustc_typeck/src/outlives/mod.rs +++ b/compiler/rustc_typeck/src/outlives/mod.rs @@ -22,7 +22,7 @@ fn inferred_outlives_of(tcx: TyCtxt<'_>, item_def_id: DefId) -> &[(ty::Predicate if matches!(tcx.def_kind(item_def_id), hir::def::DefKind::AnonConst) && tcx.lazy_normalization() { - if let Some(_) = tcx.hir().opt_const_param_default_param_hir_id(id) { + if tcx.hir().opt_const_param_default_param_hir_id(id).is_some() { // In `generics_of` we set the generics' parent to be our parent's parent which means that // we lose out on the predicates of our actual parent if we dont return those predicates here. // (See comment in `generics_of` for more information on why the parent shenanigans is necessary) diff --git a/compiler/rustc_typeck/src/structured_errors/wrong_number_of_generic_args.rs b/compiler/rustc_typeck/src/structured_errors/wrong_number_of_generic_args.rs index c2038f4e047..8d3862ffc8f 100644 --- a/compiler/rustc_typeck/src/structured_errors/wrong_number_of_generic_args.rs +++ b/compiler/rustc_typeck/src/structured_errors/wrong_number_of_generic_args.rs @@ -293,7 +293,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { &self, num_params_to_take: usize, ) -> String { - let fn_sig = self.tcx.hir().get_if_local(self.def_id).and_then(|node| fn_sig(node)); + let fn_sig = self.tcx.hir().get_if_local(self.def_id).and_then(fn_sig); let is_used_in_input = |def_id| { fn_sig.map_or(false, |fn_sig| { fn_sig.decl.inputs.iter().any(|ty| match ty.kind { diff --git a/compiler/rustc_typeck/src/variance/constraints.rs b/compiler/rustc_typeck/src/variance/constraints.rs index 708c0cf4a64..1c8ac10818c 100644 --- a/compiler/rustc_typeck/src/variance/constraints.rs +++ b/compiler/rustc_typeck/src/variance/constraints.rs @@ -293,7 +293,7 @@ impl<'a, 'tcx> ConstraintContext<'a, 'tcx> { self.add_constraints_from_invariant_substs(current, substs, variance); } - ty::Dynamic(ref data, r) => { + ty::Dynamic(data, r) => { // The type `Foo<T+'a>` is contravariant w/r/t `'a`: let contra = self.contravariant(variance); self.add_constraints_from_region(current, r, contra); diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs index c93a493cadb..8e1d374b5d4 100644 --- a/library/alloc/benches/vec.rs +++ b/library/alloc/benches/vec.rs @@ -732,3 +732,18 @@ fn bench_flat_map_collect(b: &mut Bencher) { let v = vec![777u32; 500000]; b.iter(|| v.iter().flat_map(|color| color.rotate_left(8).to_be_bytes()).collect::<Vec<_>>()); } + +#[bench] +fn bench_retain_100000(b: &mut Bencher) { + let v = (1..=100000).collect::<Vec<u32>>(); + b.iter(|| { + let mut v = v.clone(); + v.retain(|x| x & 1 == 0) + }); +} + +#[bench] +fn bench_retain_whole_100000(b: &mut Bencher) { + let mut v = black_box(vec![826u32; 100000]); + b.iter(|| v.retain(|x| *x == 826u32)); +} diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index 3b7c92818f6..11b0ca4b421 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -19,16 +19,16 @@ mod entry; pub use entry::{Entry, OccupiedEntry, OccupiedError, VacantEntry}; use Entry::*; -/// Minimum number of elements in nodes that are not a root. +/// Minimum number of elements in a node that is not a root. /// We might temporarily have fewer elements during methods. pub(super) const MIN_LEN: usize = node::MIN_LEN_AFTER_SPLIT; // A tree in a `BTreeMap` is a tree in the `node` module with additional invariants: // - Keys must appear in ascending order (according to the key's type). -// - If the root node is internal, it must contain at least 1 element. +// - Every non-leaf node contains at least 1 element (has at least 2 children). // - Every non-root node contains at least MIN_LEN elements. // -// An empty map may be represented both by the absence of a root node or by a +// An empty map is represented either by the absence of a root node or by a // root node that is an empty leaf. /// A map based on a [B-Tree]. @@ -1735,8 +1735,8 @@ impl<'a, K: 'a, V: 'a> DrainFilterInner<'a, K, V> { pub(super) fn size_hint(&self) -> (usize, Option<usize>) { // In most of the btree iterators, `self.length` is the number of elements // yet to be visited. Here, it includes elements that were visited and that - // the predicate decided not to drain. Making this upper bound more accurate - // requires maintaining an extra field and is not worth while. + // the predicate decided not to drain. Making this upper bound more tight + // during iteration would require an extra field. (0, Some(*self.length)) } } diff --git a/library/alloc/src/collections/btree/map/tests.rs b/library/alloc/src/collections/btree/map/tests.rs index a99d6c49ab7..b8e11e109c8 100644 --- a/library/alloc/src/collections/btree/map/tests.rs +++ b/library/alloc/src/collections/btree/map/tests.rs @@ -1494,33 +1494,40 @@ fn test_clone() { map.check(); } -#[test] -fn test_clone_panic_leak() { - let a = CrashTestDummy::new(0); - let b = CrashTestDummy::new(1); - let c = CrashTestDummy::new(2); +fn test_clone_panic_leak(size: usize) { + for i in 0..size { + let dummies: Vec<CrashTestDummy> = (0..size).map(|id| CrashTestDummy::new(id)).collect(); + let map: BTreeMap<_, ()> = dummies + .iter() + .map(|dummy| { + let panic = if dummy.id == i { Panic::InClone } else { Panic::Never }; + (dummy.spawn(panic), ()) + }) + .collect(); - let mut map = BTreeMap::new(); - map.insert(a.spawn(Panic::Never), ()); - map.insert(b.spawn(Panic::InClone), ()); - map.insert(c.spawn(Panic::Never), ()); + catch_unwind(|| map.clone()).unwrap_err(); + for d in &dummies { + assert_eq!(d.cloned(), if d.id <= i { 1 } else { 0 }, "id={}/{}", d.id, i); + assert_eq!(d.dropped(), if d.id < i { 1 } else { 0 }, "id={}/{}", d.id, i); + } + assert_eq!(map.len(), size); - catch_unwind(|| map.clone()).unwrap_err(); - assert_eq!(a.cloned(), 1); - assert_eq!(b.cloned(), 1); - assert_eq!(c.cloned(), 0); - assert_eq!(a.dropped(), 1); - assert_eq!(b.dropped(), 0); - assert_eq!(c.dropped(), 0); - assert_eq!(map.len(), 3); + drop(map); + for d in &dummies { + assert_eq!(d.cloned(), if d.id <= i { 1 } else { 0 }, "id={}/{}", d.id, i); + assert_eq!(d.dropped(), if d.id < i { 2 } else { 1 }, "id={}/{}", d.id, i); + } + } +} - drop(map); - assert_eq!(a.cloned(), 1); - assert_eq!(b.cloned(), 1); - assert_eq!(c.cloned(), 0); - assert_eq!(a.dropped(), 2); - assert_eq!(b.dropped(), 1); - assert_eq!(c.dropped(), 1); +#[test] +fn test_clone_panic_leak_height_0() { + test_clone_panic_leak(3) +} + +#[test] +fn test_clone_panic_leak_height_1() { + test_clone_panic_leak(MIN_INSERTS_HEIGHT_1) } #[test] diff --git a/library/alloc/src/collections/btree/navigate.rs b/library/alloc/src/collections/btree/navigate.rs index 7b1d4d68c4f..9d0db345009 100644 --- a/library/alloc/src/collections/btree/navigate.rs +++ b/library/alloc/src/collections/btree/navigate.rs @@ -440,8 +440,7 @@ impl<K, V> Handle<NodeRef<marker::Dying, K, V, marker::Leaf>, marker::Edge> { /// - The given edge must not have been previously returned by counterpart /// `deallocating_next_back`. /// - The returned KV handle is only valid to access the key and value, - /// and only valid until the next call to this method or counterpart - /// `deallocating_next_back`. + /// and only valid until the next call to a `deallocating_` method. unsafe fn deallocating_next( self, ) -> Option<(Self, Handle<NodeRef<marker::Dying, K, V, marker::LeafOrInternal>, marker::KV>)> @@ -470,8 +469,7 @@ impl<K, V> Handle<NodeRef<marker::Dying, K, V, marker::Leaf>, marker::Edge> { /// - The given edge must not have been previously returned by counterpart /// `deallocating_next`. /// - The returned KV handle is only valid to access the key and value, - /// and only valid until the next call to this method or counterpart - /// `deallocating_next`. + /// and only valid until the next call to a `deallocating_` method. unsafe fn deallocating_next_back( self, ) -> Option<(Self, Handle<NodeRef<marker::Dying, K, V, marker::LeafOrInternal>, marker::KV>)> diff --git a/library/alloc/src/collections/btree/node.rs b/library/alloc/src/collections/btree/node.rs index a73f00a083a..dfce98f97bd 100644 --- a/library/alloc/src/collections/btree/node.rs +++ b/library/alloc/src/collections/btree/node.rs @@ -574,7 +574,7 @@ impl<K, V> NodeRef<marker::Owned, K, V, marker::LeafOrInternal> { /// no cleanup is done on any of the keys, values and other children. /// This decreases the height by 1 and is the opposite of `push_internal_level`. /// - /// Requires exclusive access to the `Root` object but not to the root node; + /// Requires exclusive access to the `NodeRef` object but not to the root node; /// it will not invalidate other handles or references to the root node. /// /// Panics if there is no internal level, i.e., if the root node is a leaf. diff --git a/library/alloc/src/collections/btree/testing/crash_test.rs b/library/alloc/src/collections/btree/testing/crash_test.rs index b2527b95f5b..488eaa07a95 100644 --- a/library/alloc/src/collections/btree/testing/crash_test.rs +++ b/library/alloc/src/collections/btree/testing/crash_test.rs @@ -11,7 +11,7 @@ use std::sync::atomic::{AtomicUsize, Ordering::SeqCst}; /// on anything defined in the crate, apart from the `Debug` trait. #[derive(Debug)] pub struct CrashTestDummy { - id: usize, + pub id: usize, cloned: AtomicUsize, dropped: AtomicUsize, queried: AtomicUsize, diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index cae0f29af83..4a2b0b33bf2 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -88,7 +88,7 @@ const MAXIMUM_ZST_CAPACITY: usize = 1 << (usize::BITS - 1); // Largest possible /// [`extend`]: VecDeque::extend /// [`append`]: VecDeque::append /// [`make_contiguous`]: VecDeque::make_contiguous -#[cfg_attr(not(test), rustc_diagnostic_item = "vecdeque_type")] +#[cfg_attr(not(test), rustc_diagnostic_item = "VecDeque")] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_insignificant_dtor] pub struct VecDeque< diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs index 57c38f2c0a9..92a17cc75ef 100644 --- a/library/alloc/src/string.rs +++ b/library/alloc/src/string.rs @@ -289,7 +289,7 @@ use crate::vec::Vec; /// [`Deref`]: core::ops::Deref "ops::Deref" /// [`as_str()`]: String::as_str #[derive(PartialOrd, Eq, Ord)] -#[cfg_attr(not(test), rustc_diagnostic_item = "string_type")] +#[cfg_attr(not(test), rustc_diagnostic_item = "String")] #[stable(feature = "rust1", since = "1.0.0")] pub struct String { vec: Vec<u8>, diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 92b6aaadf58..ec7490328b2 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -395,7 +395,7 @@ mod spec_extend; /// [`MaybeUninit`]: core::mem::MaybeUninit /// [owned slice]: Box #[stable(feature = "rust1", since = "1.0.0")] -#[cfg_attr(not(test), rustc_diagnostic_item = "vec_type")] +#[cfg_attr(not(test), rustc_diagnostic_item = "Vec")] #[rustc_insignificant_dtor] pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { buf: RawVec<T, A>, @@ -1488,7 +1488,15 @@ impl<T, A: Allocator> Vec<T, A> { let mut g = BackshiftOnDrop { v: self, processed_len: 0, deleted_cnt: 0, original_len }; - while g.processed_len < original_len { + // process_one return a bool indicates whether the processing element should be retained. + #[inline(always)] + fn process_one<F, T, A: Allocator, const DELETED: bool>( + f: &mut F, + g: &mut BackshiftOnDrop<'_, T, A>, + ) -> bool + where + F: FnMut(&T) -> bool, + { // SAFETY: Unchecked element must be valid. let cur = unsafe { &mut *g.v.as_mut_ptr().add(g.processed_len) }; if !f(cur) { @@ -1498,9 +1506,9 @@ impl<T, A: Allocator> Vec<T, A> { // SAFETY: We never touch this element again after dropped. unsafe { ptr::drop_in_place(cur) }; // We already advanced the counter. - continue; + return false; } - if g.deleted_cnt > 0 { + if DELETED { // SAFETY: `deleted_cnt` > 0, so the hole slot must not overlap with current element. // We use copy for move, and never touch this element again. unsafe { @@ -1509,6 +1517,19 @@ impl<T, A: Allocator> Vec<T, A> { } } g.processed_len += 1; + return true; + } + + // Stage 1: Nothing was deleted. + while g.processed_len != original_len { + if !process_one::<F, T, A, false>(&mut f, &mut g) { + break; + } + } + + // Stage 2: Some elements were deleted. + while g.processed_len != original_len { + process_one::<F, T, A, true>(&mut f, &mut g); } // All item are processed. This can be optimized to `set_len` by LLVM. @@ -2167,7 +2188,12 @@ impl<T: Clone, A: Allocator> Vec<T, A> { /// Copies elements from `src` range to the end of the vector. /// - /// ## Examples + /// # Panics + /// + /// Panics if the starting point is greater than the end point or if + /// the end point is greater than the length of the vector. + /// + /// # Examples /// /// ``` /// let mut vec = vec![0, 1, 2, 3, 4]; diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 8c33a43ab33..09329247f94 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -368,14 +368,14 @@ impl<T, const N: usize> [T; N] { } /// Returns a slice containing the entire array. Equivalent to `&s[..]`. - #[unstable(feature = "array_methods", issue = "76118")] - pub fn as_slice(&self) -> &[T] { + #[stable(feature = "array_as_slice", since = "1.57.0")] + pub const fn as_slice(&self) -> &[T] { self } /// Returns a mutable slice containing the entire array. Equivalent to /// `&mut s[..]`. - #[unstable(feature = "array_methods", issue = "76118")] + #[stable(feature = "array_as_slice", since = "1.57.0")] pub fn as_mut_slice(&mut self) -> &mut [T] { self } diff --git a/library/core/src/convert/mod.rs b/library/core/src/convert/mod.rs index 1e512af4805..abeeef1a17e 100644 --- a/library/core/src/convert/mod.rs +++ b/library/core/src/convert/mod.rs @@ -269,7 +269,7 @@ pub trait AsMut<T: ?Sized> { /// /// [`String`]: ../../std/string/struct.String.html /// [`Vec`]: ../../std/vec/struct.Vec.html -#[rustc_diagnostic_item = "into_trait"] +#[rustc_diagnostic_item = "Into"] #[stable(feature = "rust1", since = "1.0.0")] pub trait Into<T>: Sized { /// Performs the conversion. @@ -358,7 +358,7 @@ pub trait Into<T>: Sized { /// [`String`]: ../../std/string/struct.String.html /// [`from`]: From::from /// [book]: ../../book/ch09-00-error-handling.html -#[rustc_diagnostic_item = "from_trait"] +#[rustc_diagnostic_item = "From"] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_on_unimplemented(on( all(_Self = "&str", T = "std::string::String"), @@ -385,7 +385,7 @@ pub trait From<T>: Sized { /// /// This suffers the same restrictions and reasoning as implementing /// [`Into`], see there for details. -#[rustc_diagnostic_item = "try_into_trait"] +#[rustc_diagnostic_item = "TryInto"] #[stable(feature = "try_from", since = "1.34.0")] pub trait TryInto<T>: Sized { /// The type returned in the event of a conversion error. @@ -465,7 +465,7 @@ pub trait TryInto<T>: Sized { /// ``` /// /// [`try_from`]: TryFrom::try_from -#[rustc_diagnostic_item = "try_from_trait"] +#[rustc_diagnostic_item = "TryFrom"] #[stable(feature = "try_from", since = "1.34.0")] pub trait TryFrom<T>: Sized { /// The type returned in the event of a conversion error. diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 31da3ef87b9..d10563a4097 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -617,7 +617,7 @@ impl Display for Arguments<'_> { label = "`{Self}` cannot be formatted using `{{:?}}` because it doesn't implement `{Debug}`" )] #[doc(alias = "{:?}")] -#[rustc_diagnostic_item = "debug_trait"] +#[rustc_diagnostic_item = "Debug"] #[cfg_attr(not(bootstrap), rustc_trivial_field_reads)] pub trait Debug { /// Formats the value using the given formatter. @@ -710,7 +710,7 @@ pub use macros::Debug; note = "in format strings you may be able to use `{{:?}}` (or {{:#?}} for pretty-print) instead" )] #[doc(alias = "{}")] -#[rustc_diagnostic_item = "display_trait"] +#[rustc_diagnostic_item = "Display"] #[stable(feature = "rust1", since = "1.0.0")] pub trait Display { /// Formats the value using the given formatter. @@ -1003,7 +1003,7 @@ pub trait UpperHex { /// assert_eq!(&l_ptr[..2], "0x"); /// ``` #[stable(feature = "rust1", since = "1.0.0")] -#[rustc_diagnostic_item = "pointer_trait"] +#[rustc_diagnostic_item = "Pointer"] pub trait Pointer { /// Formats the value using the given formatter. #[stable(feature = "rust1", since = "1.0.0")] diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 2230461b5f4..45ef1fcde2a 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -91,6 +91,7 @@ #![feature(const_maybe_uninit_assume_init)] #![feature(const_option)] #![feature(const_pin)] +#![feature(const_replace)] #![feature(const_ptr_offset)] #![feature(const_ptr_offset_from)] #![feature(const_ptr_read)] diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index a7ed5bfaf85..37446bafacb 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -30,7 +30,7 @@ use crate::hash::Hasher; /// [arc]: ../../std/sync/struct.Arc.html /// [ub]: ../../reference/behavior-considered-undefined.html #[stable(feature = "rust1", since = "1.0.0")] -#[cfg_attr(not(test), rustc_diagnostic_item = "send_trait")] +#[cfg_attr(not(test), rustc_diagnostic_item = "Send")] #[rustc_on_unimplemented( message = "`{Self}` cannot be sent between threads safely", label = "`{Self}` cannot be sent between threads safely" @@ -459,7 +459,7 @@ pub macro Copy($item:item) { /// [transmute]: crate::mem::transmute /// [nomicon-send-and-sync]: ../../nomicon/send-and-sync.html #[stable(feature = "rust1", since = "1.0.0")] -#[cfg_attr(not(test), rustc_diagnostic_item = "sync_trait")] +#[cfg_attr(not(test), rustc_diagnostic_item = "Sync")] #[lang = "sync"] #[rustc_on_unimplemented( message = "`{Self}` cannot be shared between threads safely", diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index daef5c98967..526e0c37188 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -543,7 +543,8 @@ macro_rules! int_impl { without modifying the original"] #[inline] pub const fn checked_div(self, rhs: Self) -> Option<Self> { - if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!(rhs == 0 || ((self == Self::MIN) & (rhs == -1))) { None } else { // SAFETY: div by zero and by INT_MIN have been checked above @@ -569,7 +570,8 @@ macro_rules! int_impl { without modifying the original"] #[inline] pub const fn checked_div_euclid(self, rhs: Self) -> Option<Self> { - if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!(rhs == 0 || ((self == Self::MIN) & (rhs == -1))) { None } else { Some(self.div_euclid(rhs)) @@ -595,7 +597,8 @@ macro_rules! int_impl { without modifying the original"] #[inline] pub const fn checked_rem(self, rhs: Self) -> Option<Self> { - if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!(rhs == 0 || ((self == Self::MIN) & (rhs == -1))) { None } else { // SAFETY: div by zero and by INT_MIN have been checked above @@ -621,7 +624,8 @@ macro_rules! int_impl { without modifying the original"] #[inline] pub const fn checked_rem_euclid(self, rhs: Self) -> Option<Self> { - if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!(rhs == 0 || ((self == Self::MIN) & (rhs == -1))) { None } else { Some(self.rem_euclid(rhs)) @@ -1466,7 +1470,8 @@ macro_rules! int_impl { #[must_use = "this returns the result of the operation, \ without modifying the original"] pub const fn overflowing_div(self, rhs: Self) -> (Self, bool) { - if unlikely!(self == Self::MIN && rhs == -1) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!((self == Self::MIN) & (rhs == -1)) { (self, true) } else { (self / rhs, false) @@ -1496,7 +1501,8 @@ macro_rules! int_impl { #[must_use = "this returns the result of the operation, \ without modifying the original"] pub const fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool) { - if unlikely!(self == Self::MIN && rhs == -1) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!((self == Self::MIN) & (rhs == -1)) { (self, true) } else { (self.div_euclid(rhs), false) @@ -1527,7 +1533,8 @@ macro_rules! int_impl { #[must_use = "this returns the result of the operation, \ without modifying the original"] pub const fn overflowing_rem(self, rhs: Self) -> (Self, bool) { - if unlikely!(self == Self::MIN && rhs == -1) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!((self == Self::MIN) & (rhs == -1)) { (0, true) } else { (self % rhs, false) @@ -1558,7 +1565,8 @@ macro_rules! int_impl { without modifying the original"] #[inline] pub const fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool) { - if unlikely!(self == Self::MIN && rhs == -1) { + // Using `&` helps LLVM see that it is the same check made in division. + if unlikely!((self == Self::MIN) & (rhs == -1)) { (0, true) } else { (self.rem_euclid(rhs), false) diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index dd9b9330aee..e44597279ba 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -379,7 +379,7 @@ macro_rules! nonzero_unsigned_operations { /// ``` #[unstable(feature = "nonzero_ops", issue = "84186")] #[inline] - pub unsafe fn unchecked_add(self, other: $Int) -> $Ty { + pub const unsafe fn unchecked_add(self, other: $Int) -> $Ty { // SAFETY: The caller ensures there is no overflow. unsafe { $Ty::new_unchecked(self.get().unchecked_add(other)) } } @@ -750,7 +750,7 @@ macro_rules! nonzero_unsigned_signed_operations { /// ``` #[unstable(feature = "nonzero_ops", issue = "84186")] #[inline] - pub unsafe fn unchecked_mul(self, other: $Ty) -> $Ty { + pub const unsafe fn unchecked_mul(self, other: $Ty) -> $Ty { // SAFETY: The caller ensures there is no overflow. unsafe { $Ty::new_unchecked(self.get().unchecked_mul(other.get())) } } diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 94d892dd787..3259e142a0c 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -509,7 +509,7 @@ use crate::{ /// The `Option` type. See [the module level documentation](self) for more. #[derive(Copy, PartialEq, PartialOrd, Eq, Ord, Debug, Hash)] -#[rustc_diagnostic_item = "option_type"] +#[rustc_diagnostic_item = "Option"] #[stable(feature = "rust1", since = "1.0.0")] pub enum Option<T> { /// No value @@ -544,8 +544,8 @@ impl<T> Option<T> { /// ``` #[must_use = "if you intended to assert that this has a value, consider `.unwrap()` instead"] #[inline] - #[rustc_const_stable(feature = "const_option", since = "1.48.0")] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_const_stable(feature = "const_option", since = "1.48.0")] pub const fn is_some(&self) -> bool { matches!(*self, Some(_)) } @@ -564,8 +564,8 @@ impl<T> Option<T> { #[must_use = "if you intended to assert that this doesn't have a value, consider \ `.and_then(|_| panic!(\"`Option` had a value when expected `None`\"))` instead"] #[inline] - #[rustc_const_stable(feature = "const_option", since = "1.48.0")] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_const_stable(feature = "const_option", since = "1.48.0")] pub const fn is_none(&self) -> bool { !self.is_some() } @@ -1318,8 +1318,10 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn take(&mut self) -> Option<T> { - mem::take(self) + #[rustc_const_unstable(feature = "const_option", issue = "67441")] + pub const fn take(&mut self) -> Option<T> { + // FIXME replace `mem::replace` by `mem::take` when the latter is const ready + mem::replace(self, None) } /// Replaces the actual value in the option by the value given in parameter, @@ -1340,8 +1342,9 @@ impl<T> Option<T> { /// assert_eq!(old, None); /// ``` #[inline] + #[rustc_const_unstable(feature = "const_option", issue = "67441")] #[stable(feature = "option_replace", since = "1.31.0")] - pub fn replace(&mut self, value: T) -> Option<T> { + pub const fn replace(&mut self, value: T) -> Option<T> { mem::replace(self, Some(value)) } @@ -1446,8 +1449,14 @@ impl<T: Copy> Option<&T> { /// assert_eq!(copied, Some(12)); /// ``` #[stable(feature = "copied", since = "1.35.0")] - pub fn copied(self) -> Option<T> { - self.map(|&t| t) + #[rustc_const_unstable(feature = "const_option", issue = "67441")] + pub const fn copied(self) -> Option<T> { + // FIXME: this implementation, which sidesteps using `Option::map` since it's not const + // ready yet, should be reverted when possible to avoid code repetition + match self { + Some(&v) => Some(v), + None => None, + } } } diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 4a300f857e9..a34964b531d 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -498,7 +498,7 @@ use crate::{convert, fmt, hint}; /// See the [module documentation](self) for details. #[derive(Copy, PartialEq, PartialOrd, Eq, Ord, Debug, Hash)] #[must_use = "this `Result` may be an `Err` variant, which should be handled"] -#[rustc_diagnostic_item = "result_type"] +#[rustc_diagnostic_item = "Result"] #[stable(feature = "rust1", since = "1.0.0")] pub enum Result<T, E> { /// Contains the success value diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index a04e479e857..53b8b343238 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -1556,7 +1556,7 @@ impl<T> [T] { /// /// # Examples /// - /// ```compile_fail + /// ``` /// #![feature(slice_split_at_unchecked)] /// /// let v = [1, 2, 3, 4, 5, 6]; @@ -1581,7 +1581,7 @@ impl<T> [T] { /// ``` #[unstable(feature = "slice_split_at_unchecked", reason = "new API", issue = "76014")] #[inline] - unsafe fn split_at_unchecked(&self, mid: usize) -> (&[T], &[T]) { + pub unsafe fn split_at_unchecked(&self, mid: usize) -> (&[T], &[T]) { // SAFETY: Caller has to check that `0 <= mid <= self.len()` unsafe { (self.get_unchecked(..mid), self.get_unchecked(mid..)) } } @@ -1605,7 +1605,7 @@ impl<T> [T] { /// /// # Examples /// - /// ```compile_fail + /// ``` /// #![feature(slice_split_at_unchecked)] /// /// let mut v = [1, 0, 3, 0, 5, 6]; @@ -1621,7 +1621,7 @@ impl<T> [T] { /// ``` #[unstable(feature = "slice_split_at_unchecked", reason = "new API", issue = "76014")] #[inline] - unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) { + pub unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) { let len = self.len(); let ptr = self.as_mut_ptr(); diff --git a/library/core/tests/option.rs b/library/core/tests/option.rs index cd8fdebe36a..8995f96b123 100644 --- a/library/core/tests/option.rs +++ b/library/core/tests/option.rs @@ -367,6 +367,19 @@ fn option_const() { const IS_NONE: bool = OPTION.is_none(); assert!(!IS_NONE); + + const COPIED: Option<usize> = OPTION.as_ref().copied(); + assert_eq!(COPIED, OPTION); +} + +#[test] +const fn option_const_mut() { + // test that the methods of `Option` that take mutable references are usable in a const context + + let mut option: Option<usize> = Some(32); + + let _take = option.take(); + let _replace = option.replace(42); } #[test] diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs index f96906be540..2de16ce3f86 100644 --- a/library/std/src/collections/hash/map.rs +++ b/library/std/src/collections/hash/map.rs @@ -203,7 +203,7 @@ use crate::sys; /// } /// ``` -#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_type")] +#[cfg_attr(not(test), rustc_diagnostic_item = "HashMap")] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_insignificant_dtor] pub struct HashMap<K, V, S = RandomState> { diff --git a/library/std/src/collections/hash/set.rs b/library/std/src/collections/hash/set.rs index 941981e3b00..2613fbce156 100644 --- a/library/std/src/collections/hash/set.rs +++ b/library/std/src/collections/hash/set.rs @@ -107,7 +107,7 @@ use super::map::{map_try_reserve_error, RandomState}; /// [`HashMap`]: crate::collections::HashMap /// [`RefCell`]: crate::cell::RefCell /// [`Cell`]: crate::cell::Cell -#[cfg_attr(not(test), rustc_diagnostic_item = "hashset_type")] +#[cfg_attr(not(test), rustc_diagnostic_item = "HashSet")] #[stable(feature = "rust1", since = "1.0.0")] pub struct HashSet<T, S = RandomState> { base: base::HashSet<T, S>, diff --git a/library/std/src/net/ip.rs b/library/std/src/net/ip.rs index 9cf7ba9d574..e9c87689d23 100644 --- a/library/std/src/net/ip.rs +++ b/library/std/src/net/ip.rs @@ -340,6 +340,30 @@ impl IpAddr { } } + /// Returns [`true`] if this address is in a range designated for benchmarking. + /// + /// See the documentation for [`Ipv4Addr::is_benchmarking()`] and + /// [`Ipv6Addr::is_benchmarking()`] for more details. + /// + /// # Examples + /// + /// ``` + /// #![feature(ip)] + /// + /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; + /// + /// assert_eq!(IpAddr::V4(Ipv4Addr::new(198, 19, 255, 255)).is_benchmarking(), true); + /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0x2001, 0x2, 0, 0, 0, 0, 0, 0)).is_benchmarking(), true); + /// ``` + #[unstable(feature = "ip", issue = "27709")] + #[inline] + pub const fn is_benchmarking(&self) -> bool { + match self { + IpAddr::V4(ip) => ip.is_benchmarking(), + IpAddr::V6(ip) => ip.is_benchmarking(), + } + } + /// Returns [`true`] if this address is an [`IPv4` address], and [`false`] /// otherwise. /// @@ -1449,6 +1473,28 @@ impl Ipv6Addr { (self.segments()[0] == 0x2001) && (self.segments()[1] == 0xdb8) } + /// Returns [`true`] if this is an address reserved for benchmarking (`2001:2::/48`). + /// + /// This property is defined in [IETF RFC 5180], where it is mistakenly specified as covering the range `2001:0200::/48`. + /// This is corrected in [IETF RFC Errata 1752] to `2001:0002::/48`. + /// + /// [IETF RFC 5180]: https://tools.ietf.org/html/rfc5180 + /// [IETF RFC Errata 1752]: https://www.rfc-editor.org/errata_search.php?eid=1752 + /// + /// ``` + /// #![feature(ip)] + /// + /// use std::net::Ipv6Addr; + /// + /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc613, 0x0).is_benchmarking(), false); + /// assert_eq!(Ipv6Addr::new(0x2001, 0x2, 0, 0, 0, 0, 0, 0).is_benchmarking(), true); + /// ``` + #[unstable(feature = "ip", issue = "27709")] + #[inline] + pub const fn is_benchmarking(&self) -> bool { + (self.segments()[0] == 0x2001) && (self.segments()[1] == 0x2) && (self.segments()[2] == 0) + } + /// Returns [`true`] if the address is a globally routable unicast address. /// /// The following return false: diff --git a/library/std/src/net/ip/tests.rs b/library/std/src/net/ip/tests.rs index dbfab9dde40..babc854cd1d 100644 --- a/library/std/src/net/ip/tests.rs +++ b/library/std/src/net/ip/tests.rs @@ -224,6 +224,7 @@ fn ip_properties() { let global: u8 = 1 << 2; let multicast: u8 = 1 << 3; let doc: u8 = 1 << 4; + let benchmarking: u8 = 1 << 5; if ($mask & unspec) == unspec { assert!(ip!($s).is_unspecified()); @@ -254,6 +255,12 @@ fn ip_properties() { } else { assert!(!ip!($s).is_documentation()); } + + if ($mask & benchmarking) == benchmarking { + assert!(ip!($s).is_benchmarking()); + } else { + assert!(!ip!($s).is_benchmarking()); + } }}; } @@ -262,6 +269,7 @@ fn ip_properties() { let global: u8 = 1 << 2; let multicast: u8 = 1 << 3; let doc: u8 = 1 << 4; + let benchmarking: u8 = 1 << 5; check!("0.0.0.0", unspec); check!("0.0.0.1"); @@ -280,9 +288,9 @@ fn ip_properties() { check!("239.255.255.255", global | multicast); check!("255.255.255.255"); // make sure benchmarking addresses are not global - check!("198.18.0.0"); - check!("198.18.54.2"); - check!("198.19.255.255"); + check!("198.18.0.0", benchmarking); + check!("198.18.54.2", benchmarking); + check!("198.19.255.255", benchmarking); // make sure addresses reserved for protocol assignment are not global check!("192.0.0.0"); check!("192.0.0.255"); @@ -313,6 +321,7 @@ fn ip_properties() { check!("ff08::", multicast); check!("ff0e::", global | multicast); check!("2001:db8:85a3::8a2e:370:7334", doc); + check!("2001:2::ac32:23ff:21", global | benchmarking); check!("102:304:506:708:90a:b0c:d0e:f10", global); } @@ -467,21 +476,22 @@ fn ipv6_properties() { assert_eq!(&ip!($s).octets(), octets); assert_eq!(Ipv6Addr::from(*octets), ip!($s)); - let unspecified: u16 = 1 << 0; - let loopback: u16 = 1 << 1; - let unique_local: u16 = 1 << 2; - let global: u16 = 1 << 3; - let unicast_link_local: u16 = 1 << 4; - let unicast_global: u16 = 1 << 7; - let documentation: u16 = 1 << 8; - let multicast_interface_local: u16 = 1 << 9; - let multicast_link_local: u16 = 1 << 10; - let multicast_realm_local: u16 = 1 << 11; - let multicast_admin_local: u16 = 1 << 12; - let multicast_site_local: u16 = 1 << 13; - let multicast_organization_local: u16 = 1 << 14; - let multicast_global: u16 = 1 << 15; - let multicast: u16 = multicast_interface_local + let unspecified: u32 = 1 << 0; + let loopback: u32 = 1 << 1; + let unique_local: u32 = 1 << 2; + let global: u32 = 1 << 3; + let unicast_link_local: u32 = 1 << 4; + let unicast_global: u32 = 1 << 7; + let documentation: u32 = 1 << 8; + let benchmarking: u32 = 1 << 16; + let multicast_interface_local: u32 = 1 << 9; + let multicast_link_local: u32 = 1 << 10; + let multicast_realm_local: u32 = 1 << 11; + let multicast_admin_local: u32 = 1 << 12; + let multicast_site_local: u32 = 1 << 13; + let multicast_organization_local: u32 = 1 << 14; + let multicast_global: u32 = 1 << 15; + let multicast: u32 = multicast_interface_local | multicast_admin_local | multicast_global | multicast_link_local @@ -524,6 +534,11 @@ fn ipv6_properties() { } else { assert!(!ip!($s).is_documentation()); } + if ($mask & benchmarking) == benchmarking { + assert!(ip!($s).is_benchmarking()); + } else { + assert!(!ip!($s).is_benchmarking()); + } if ($mask & multicast) != 0 { assert!(ip!($s).multicast_scope().is_some()); assert!(ip!($s).is_multicast()); @@ -562,20 +577,21 @@ fn ipv6_properties() { } } - let unspecified: u16 = 1 << 0; - let loopback: u16 = 1 << 1; - let unique_local: u16 = 1 << 2; - let global: u16 = 1 << 3; - let unicast_link_local: u16 = 1 << 4; - let unicast_global: u16 = 1 << 7; - let documentation: u16 = 1 << 8; - let multicast_interface_local: u16 = 1 << 9; - let multicast_link_local: u16 = 1 << 10; - let multicast_realm_local: u16 = 1 << 11; - let multicast_admin_local: u16 = 1 << 12; - let multicast_site_local: u16 = 1 << 13; - let multicast_organization_local: u16 = 1 << 14; - let multicast_global: u16 = 1 << 15; + let unspecified: u32 = 1 << 0; + let loopback: u32 = 1 << 1; + let unique_local: u32 = 1 << 2; + let global: u32 = 1 << 3; + let unicast_link_local: u32 = 1 << 4; + let unicast_global: u32 = 1 << 7; + let documentation: u32 = 1 << 8; + let benchmarking: u32 = 1 << 16; + let multicast_interface_local: u32 = 1 << 9; + let multicast_link_local: u32 = 1 << 10; + let multicast_realm_local: u32 = 1 << 11; + let multicast_admin_local: u32 = 1 << 12; + let multicast_site_local: u32 = 1 << 13; + let multicast_organization_local: u32 = 1 << 14; + let multicast_global: u32 = 1 << 15; check!("::", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], unspecified); @@ -672,6 +688,12 @@ fn ipv6_properties() { ); check!( + "2001:2::ac32:23ff:21", + &[0x20, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0xac, 0x32, 0x23, 0xff, 0, 0x21], + global | unicast_global | benchmarking + ); + + check!( "102:304:506:708:90a:b0c:d0e:f10", &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16], global | unicast_global @@ -874,6 +896,9 @@ fn ipv6_const() { const IS_DOCUMENTATION: bool = IP_ADDRESS.is_documentation(); assert!(!IS_DOCUMENTATION); + const IS_BENCHMARKING: bool = IP_ADDRESS.is_benchmarking(); + assert!(!IS_BENCHMARKING); + const IS_UNICAST_GLOBAL: bool = IP_ADDRESS.is_unicast_global(); assert!(!IS_UNICAST_GLOBAL); diff --git a/library/std/src/sync/mutex.rs b/library/std/src/sync/mutex.rs index 06a97fd3f76..0d844547376 100644 --- a/library/std/src/sync/mutex.rs +++ b/library/std/src/sync/mutex.rs @@ -162,7 +162,7 @@ use crate::sys_common::mutex as sys; /// assert_eq!(*res_mutex.lock().unwrap(), 800); /// ``` #[stable(feature = "rust1", since = "1.0.0")] -#[cfg_attr(not(test), rustc_diagnostic_item = "mutex_type")] +#[cfg_attr(not(test), rustc_diagnostic_item = "Mutex")] pub struct Mutex<T: ?Sized> { inner: sys::MovableMutex, poison: poison::Flag, diff --git a/library/std/src/sys/unix/process/process_common.rs b/library/std/src/sys/unix/process/process_common.rs index 7b261a302c3..7ac2f9d8af7 100644 --- a/library/std/src/sys/unix/process/process_common.rs +++ b/library/std/src/sys/unix/process/process_common.rs @@ -457,9 +457,15 @@ impl fmt::Debug for Command { } } -#[derive(PartialEq, Eq, Clone, Copy, Debug)] +#[derive(PartialEq, Eq, Clone, Copy)] pub struct ExitCode(u8); +impl fmt::Debug for ExitCode { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_tuple("unix_exit_status").field(&self.0).finish() + } +} + impl ExitCode { pub const SUCCESS: ExitCode = ExitCode(EXIT_SUCCESS as _); pub const FAILURE: ExitCode = ExitCode(EXIT_FAILURE as _); diff --git a/library/std/src/sys/unix/process/process_unix.rs b/library/std/src/sys/unix/process/process_unix.rs index 12edf04a4e2..8c33051cfa4 100644 --- a/library/std/src/sys/unix/process/process_unix.rs +++ b/library/std/src/sys/unix/process/process_unix.rs @@ -552,8 +552,7 @@ impl Process { use crate::os::unix::io::FromRawFd; use crate::sys_common::FromInner; // Safety: If `pidfd` is nonnegative, we assume it's valid and otherwise unowned. - let pidfd = (pidfd >= 0) - .then(|| PidFd::from_inner(unsafe { sys::fd::FileDesc::from_raw_fd(pidfd) })); + let pidfd = (pidfd >= 0).then(|| PidFd::from_inner(sys::fd::FileDesc::from_raw_fd(pidfd))); Process { pid, status: None, pidfd } } @@ -607,9 +606,15 @@ impl Process { } /// Unix exit statuses -#[derive(PartialEq, Eq, Clone, Copy, Debug)] +#[derive(PartialEq, Eq, Clone, Copy)] pub struct ExitStatus(c_int); +impl fmt::Debug for ExitStatus { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_tuple("unix_wait_status").field(&self.0).finish() + } +} + impl ExitStatus { pub fn new(status: c_int) -> ExitStatus { ExitStatus(status) @@ -683,7 +688,7 @@ impl fmt::Display for ExitStatus { } } -#[derive(PartialEq, Eq, Clone, Copy, Debug)] +#[derive(PartialEq, Eq, Clone, Copy)] pub struct ExitStatusError(NonZero_c_int); impl Into<ExitStatus> for ExitStatusError { @@ -692,6 +697,12 @@ impl Into<ExitStatus> for ExitStatusError { } } +impl fmt::Debug for ExitStatusError { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_tuple("unix_wait_status").field(&self.0).finish() + } +} + impl ExitStatusError { pub fn code(self) -> Option<NonZeroI32> { ExitStatus(self.0.into()).code().map(|st| st.try_into().unwrap()) diff --git a/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile index 42fda98bc7a..63836654293 100644 --- a/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile @@ -34,6 +34,11 @@ RUN apt-get update && \ xz-utils \ zlib1g-dev +# Install new Let's Encrypt root CA certificate and remove the expired one. +COPY host-x86_64/shared/ISRG_Root_X1.crt /usr/local/share/ca-certificates/ISRG_Root_X1.crt +RUN sed -i '/mozilla\/DST_Root_CA_X3\.crt/d' /etc/ca-certificates.conf +RUN /usr/sbin/update-ca-certificates + ENV PATH=/rustroot/bin:$PATH ENV LD_LIBRARY_PATH=/rustroot/lib64:/rustroot/lib32:/rustroot/lib ENV PKG_CONFIG_PATH=/rustroot/lib/pkgconfig diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile index e29d990f0f9..7b560aaaaa6 100644 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile @@ -34,6 +34,11 @@ RUN apt-get update && \ xz-utils \ zlib1g-dev +# Install new Let's Encrypt root CA certificate and remove the expired one. +COPY host-x86_64/shared/ISRG_Root_X1.crt /usr/local/share/ca-certificates/ISRG_Root_X1.crt +RUN sed -i '/mozilla\/DST_Root_CA_X3\.crt/d' /etc/ca-certificates.conf +RUN /usr/sbin/update-ca-certificates + ENV PATH=/rustroot/bin:$PATH ENV LD_LIBRARY_PATH=/rustroot/lib64:/rustroot/lib32:/rustroot/lib ENV PKG_CONFIG_PATH=/rustroot/lib/pkgconfig diff --git a/src/ci/docker/host-x86_64/shared/ISRG_Root_X1.crt b/src/ci/docker/host-x86_64/shared/ISRG_Root_X1.crt new file mode 100644 index 00000000000..b85c8037f6b --- /dev/null +++ b/src/ci/docker/host-x86_64/shared/ISRG_Root_X1.crt @@ -0,0 +1,31 @@ +-----BEGIN CERTIFICATE----- +MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw +TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh +cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4 +WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu +ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY +MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc +h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+ +0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U +A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW +T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH +B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC +B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv +KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn +OlFuhjuefXKnEgV4We0+UXgVCwOPjdAvBbI+e0ocS3MFEvzG6uBQE3xDk3SzynTn +jh8BCNAw1FtxNrQHusEwMFxIt4I7mKZ9YIqioymCzLq9gwQbooMDQaHWBfEbwrbw +qHyGO0aoSCqI3Haadr8faqU9GY/rOPNk3sgrDQoo//fb4hVC1CLQJ13hef4Y53CI +rU7m2Ys6xt0nUW7/vGT1M0NPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV +HRMBAf8EBTADAQH/MB0GA1UdDgQWBBR5tFnme7bl5AFzgAiIyBpY9umbbjANBgkq +hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL +ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ +3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK +NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5 +ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur +TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC +jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc +oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq +4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA +mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d +emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc= +-----END CERTIFICATE----- diff --git a/src/test/ui/deriving/issue-89188-gat-hrtb.rs b/src/test/ui/deriving/issue-89188-gat-hrtb.rs new file mode 100644 index 00000000000..abd85a616a4 --- /dev/null +++ b/src/test/ui/deriving/issue-89188-gat-hrtb.rs @@ -0,0 +1,39 @@ +// check-pass + +#![feature(generic_associated_types)] + +trait CallWithShim: Sized { + type Shim<'s> + where + Self: 's; +} + +#[derive(Clone)] +struct ShimMethod<T: CallWithShim + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::Shim<'s>)); + +trait CallWithShim2: Sized { + type Shim<T>; +} + +struct S<'s>(&'s ()); + +#[derive(Clone)] +struct ShimMethod2<T: CallWithShim2 + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::Shim<S<'s>>)); + +trait Trait<'s, 't, 'u> {} + +#[derive(Clone)] +struct ShimMethod3<T: CallWithShim2 + 'static>( + pub &'static dyn for<'s> Fn( + &'s mut T::Shim<dyn for<'t> Fn(&'s mut T::Shim<dyn for<'u> Trait<'s, 't, 'u>>)>, + ), +); + +trait Trait2 { + type As; +} + +#[derive(Clone)] +struct ShimMethod4<T: Trait2 + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::As)); + +pub fn main() {} diff --git a/src/test/ui/lint/lint-ctypes-fn.rs b/src/test/ui/lint/lint-ctypes-fn.rs index c18cb881032..d3b36a9d59c 100644 --- a/src/test/ui/lint/lint-ctypes-fn.rs +++ b/src/test/ui/lint/lint-ctypes-fn.rs @@ -66,6 +66,10 @@ pub extern "C" fn ptr_type1(size: *const Foo) { } pub extern "C" fn ptr_type2(size: *const Foo) { } +pub extern "C" fn ptr_unit(p: *const ()) { } + +pub extern "C" fn ptr_tuple(p: *const ((),)) { } + pub extern "C" fn slice_type(p: &[u32]) { } //~^ ERROR: uses type `[u32]` diff --git a/src/test/ui/lint/lint-ctypes-fn.stderr b/src/test/ui/lint/lint-ctypes-fn.stderr index d591d4ad292..740075ca7df 100644 --- a/src/test/ui/lint/lint-ctypes-fn.stderr +++ b/src/test/ui/lint/lint-ctypes-fn.stderr @@ -1,5 +1,5 @@ error: `extern` fn uses type `[u32]`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:69:33 + --> $DIR/lint-ctypes-fn.rs:73:33 | LL | pub extern "C" fn slice_type(p: &[u32]) { } | ^^^^^^ not FFI-safe @@ -13,7 +13,7 @@ LL | #![deny(improper_ctypes_definitions)] = note: slices have no C equivalent error: `extern` fn uses type `str`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:72:31 + --> $DIR/lint-ctypes-fn.rs:76:31 | LL | pub extern "C" fn str_type(p: &str) { } | ^^^^ not FFI-safe @@ -22,7 +22,7 @@ LL | pub extern "C" fn str_type(p: &str) { } = note: string slices have no C equivalent error: `extern` fn uses type `Box<[u8]>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:79:34 + --> $DIR/lint-ctypes-fn.rs:83:34 | LL | pub extern "C" fn boxed_slice(p: Box<[u8]>) { } | ^^^^^^^^^ not FFI-safe @@ -30,7 +30,7 @@ LL | pub extern "C" fn boxed_slice(p: Box<[u8]>) { } = note: box cannot be represented as a single pointer error: `extern` fn uses type `Box<str>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:82:35 + --> $DIR/lint-ctypes-fn.rs:86:35 | LL | pub extern "C" fn boxed_string(p: Box<str>) { } | ^^^^^^^^ not FFI-safe @@ -38,7 +38,7 @@ LL | pub extern "C" fn boxed_string(p: Box<str>) { } = note: box cannot be represented as a single pointer error: `extern` fn uses type `Box<dyn Trait>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:85:34 + --> $DIR/lint-ctypes-fn.rs:89:34 | LL | pub extern "C" fn boxed_trait(p: Box<dyn Trait>) { } | ^^^^^^^^^^^^^^ not FFI-safe @@ -46,7 +46,7 @@ LL | pub extern "C" fn boxed_trait(p: Box<dyn Trait>) { } = note: box cannot be represented as a single pointer error: `extern` fn uses type `char`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:88:32 + --> $DIR/lint-ctypes-fn.rs:92:32 | LL | pub extern "C" fn char_type(p: char) { } | ^^^^ not FFI-safe @@ -55,7 +55,7 @@ LL | pub extern "C" fn char_type(p: char) { } = note: the `char` type has no C equivalent error: `extern` fn uses type `i128`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:91:32 + --> $DIR/lint-ctypes-fn.rs:95:32 | LL | pub extern "C" fn i128_type(p: i128) { } | ^^^^ not FFI-safe @@ -63,7 +63,7 @@ LL | pub extern "C" fn i128_type(p: i128) { } = note: 128-bit integers don't currently have a known stable ABI error: `extern` fn uses type `u128`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:94:32 + --> $DIR/lint-ctypes-fn.rs:98:32 | LL | pub extern "C" fn u128_type(p: u128) { } | ^^^^ not FFI-safe @@ -71,7 +71,7 @@ LL | pub extern "C" fn u128_type(p: u128) { } = note: 128-bit integers don't currently have a known stable ABI error: `extern` fn uses type `(i32, i32)`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:97:33 + --> $DIR/lint-ctypes-fn.rs:101:33 | LL | pub extern "C" fn tuple_type(p: (i32, i32)) { } | ^^^^^^^^^^ not FFI-safe @@ -80,7 +80,7 @@ LL | pub extern "C" fn tuple_type(p: (i32, i32)) { } = note: tuples have unspecified layout error: `extern` fn uses type `(i32, i32)`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:100:34 + --> $DIR/lint-ctypes-fn.rs:104:34 | LL | pub extern "C" fn tuple_type2(p: I32Pair) { } | ^^^^^^^ not FFI-safe @@ -89,7 +89,7 @@ LL | pub extern "C" fn tuple_type2(p: I32Pair) { } = note: tuples have unspecified layout error: `extern` fn uses type `ZeroSize`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:103:32 + --> $DIR/lint-ctypes-fn.rs:107:32 | LL | pub extern "C" fn zero_size(p: ZeroSize) { } | ^^^^^^^^ not FFI-safe @@ -103,7 +103,7 @@ LL | pub struct ZeroSize; | ^^^^^^^^^^^^^^^^^^^^ error: `extern` fn uses type `ZeroSizeWithPhantomData`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:106:40 + --> $DIR/lint-ctypes-fn.rs:110:40 | LL | pub extern "C" fn zero_size_phantom(p: ZeroSizeWithPhantomData) { } | ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -116,7 +116,7 @@ LL | pub struct ZeroSizeWithPhantomData(PhantomData<i32>); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `extern` fn uses type `PhantomData<bool>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:109:51 + --> $DIR/lint-ctypes-fn.rs:113:51 | LL | pub extern "C" fn zero_size_phantom_toplevel() -> PhantomData<bool> { | ^^^^^^^^^^^^^^^^^ not FFI-safe @@ -124,7 +124,7 @@ LL | pub extern "C" fn zero_size_phantom_toplevel() -> PhantomData<bool> { = note: composed only of `PhantomData` error: `extern` fn uses type `fn()`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:114:30 + --> $DIR/lint-ctypes-fn.rs:118:30 | LL | pub extern "C" fn fn_type(p: RustFn) { } | ^^^^^^ not FFI-safe @@ -133,7 +133,7 @@ LL | pub extern "C" fn fn_type(p: RustFn) { } = note: this function pointer has Rust-specific calling convention error: `extern` fn uses type `fn()`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:117:31 + --> $DIR/lint-ctypes-fn.rs:121:31 | LL | pub extern "C" fn fn_type2(p: fn()) { } | ^^^^ not FFI-safe @@ -142,7 +142,7 @@ LL | pub extern "C" fn fn_type2(p: fn()) { } = note: this function pointer has Rust-specific calling convention error: `extern` fn uses type `i128`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:122:39 + --> $DIR/lint-ctypes-fn.rs:126:39 | LL | pub extern "C" fn transparent_i128(p: TransparentI128) { } | ^^^^^^^^^^^^^^^ not FFI-safe @@ -150,7 +150,7 @@ LL | pub extern "C" fn transparent_i128(p: TransparentI128) { } = note: 128-bit integers don't currently have a known stable ABI error: `extern` fn uses type `str`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:125:38 + --> $DIR/lint-ctypes-fn.rs:129:38 | LL | pub extern "C" fn transparent_str(p: TransparentStr) { } | ^^^^^^^^^^^^^^ not FFI-safe @@ -159,7 +159,7 @@ LL | pub extern "C" fn transparent_str(p: TransparentStr) { } = note: string slices have no C equivalent error: `extern` fn uses type `PhantomData<bool>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:171:43 + --> $DIR/lint-ctypes-fn.rs:175:43 | LL | pub extern "C" fn unused_generic2<T>() -> PhantomData<bool> { | ^^^^^^^^^^^^^^^^^ not FFI-safe @@ -167,7 +167,7 @@ LL | pub extern "C" fn unused_generic2<T>() -> PhantomData<bool> { = note: composed only of `PhantomData` error: `extern` fn uses type `Vec<T>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:184:39 + --> $DIR/lint-ctypes-fn.rs:188:39 | LL | pub extern "C" fn used_generic4<T>(x: Vec<T>) { } | ^^^^^^ not FFI-safe @@ -176,7 +176,7 @@ LL | pub extern "C" fn used_generic4<T>(x: Vec<T>) { } = note: this struct has unspecified layout error: `extern` fn uses type `Vec<T>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:187:41 + --> $DIR/lint-ctypes-fn.rs:191:41 | LL | pub extern "C" fn used_generic5<T>() -> Vec<T> { | ^^^^^^ not FFI-safe diff --git a/src/test/ui/lint/lint-ctypes.rs b/src/test/ui/lint/lint-ctypes.rs index a291471f566..9165e14b7ff 100644 --- a/src/test/ui/lint/lint-ctypes.rs +++ b/src/test/ui/lint/lint-ctypes.rs @@ -47,6 +47,8 @@ pub struct ZeroSizeWithPhantomData(::std::marker::PhantomData<i32>); extern "C" { pub fn ptr_type1(size: *const Foo); //~ ERROR: uses type `Foo` pub fn ptr_type2(size: *const Foo); //~ ERROR: uses type `Foo` + pub fn ptr_unit(p: *const ()); + pub fn ptr_tuple(p: *const ((),)); //~ ERROR: uses type `((),)` pub fn slice_type(p: &[u32]); //~ ERROR: uses type `[u32]` pub fn str_type(p: &str); //~ ERROR: uses type `str` pub fn box_type(p: Box<u32>); //~ ERROR uses type `Box<u32>` diff --git a/src/test/ui/lint/lint-ctypes.stderr b/src/test/ui/lint/lint-ctypes.stderr index 7f21e412c38..342b6bfc6f8 100644 --- a/src/test/ui/lint/lint-ctypes.stderr +++ b/src/test/ui/lint/lint-ctypes.stderr @@ -31,8 +31,17 @@ note: the type is defined here LL | pub struct Foo; | ^^^^^^^^^^^^^^^ +error: `extern` block uses type `((),)`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:51:25 + | +LL | pub fn ptr_tuple(p: *const ((),)); + | ^^^^^^^^^^^^ not FFI-safe + | + = help: consider using a struct instead + = note: tuples have unspecified layout + error: `extern` block uses type `[u32]`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:50:26 + --> $DIR/lint-ctypes.rs:52:26 | LL | pub fn slice_type(p: &[u32]); | ^^^^^^ not FFI-safe @@ -41,7 +50,7 @@ LL | pub fn slice_type(p: &[u32]); = note: slices have no C equivalent error: `extern` block uses type `str`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:51:24 + --> $DIR/lint-ctypes.rs:53:24 | LL | pub fn str_type(p: &str); | ^^^^ not FFI-safe @@ -50,7 +59,7 @@ LL | pub fn str_type(p: &str); = note: string slices have no C equivalent error: `extern` block uses type `Box<u32>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:52:24 + --> $DIR/lint-ctypes.rs:54:24 | LL | pub fn box_type(p: Box<u32>); | ^^^^^^^^ not FFI-safe @@ -59,7 +68,7 @@ LL | pub fn box_type(p: Box<u32>); = note: this struct has unspecified layout error: `extern` block uses type `Option<Box<u32>>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:53:28 + --> $DIR/lint-ctypes.rs:55:28 | LL | pub fn opt_box_type(p: Option<Box<u32>>); | ^^^^^^^^^^^^^^^^ not FFI-safe @@ -68,7 +77,7 @@ LL | pub fn opt_box_type(p: Option<Box<u32>>); = note: enum has no representation hint error: `extern` block uses type `char`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:55:25 + --> $DIR/lint-ctypes.rs:57:25 | LL | pub fn char_type(p: char); | ^^^^ not FFI-safe @@ -77,7 +86,7 @@ LL | pub fn char_type(p: char); = note: the `char` type has no C equivalent error: `extern` block uses type `i128`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:56:25 + --> $DIR/lint-ctypes.rs:58:25 | LL | pub fn i128_type(p: i128); | ^^^^ not FFI-safe @@ -85,7 +94,7 @@ LL | pub fn i128_type(p: i128); = note: 128-bit integers don't currently have a known stable ABI error: `extern` block uses type `u128`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:57:25 + --> $DIR/lint-ctypes.rs:59:25 | LL | pub fn u128_type(p: u128); | ^^^^ not FFI-safe @@ -93,7 +102,7 @@ LL | pub fn u128_type(p: u128); = note: 128-bit integers don't currently have a known stable ABI error: `extern` block uses type `dyn Bar`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:58:26 + --> $DIR/lint-ctypes.rs:60:26 | LL | pub fn trait_type(p: &dyn Bar); | ^^^^^^^^ not FFI-safe @@ -101,7 +110,7 @@ LL | pub fn trait_type(p: &dyn Bar); = note: trait objects have no C equivalent error: `extern` block uses type `(i32, i32)`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:59:26 + --> $DIR/lint-ctypes.rs:61:26 | LL | pub fn tuple_type(p: (i32, i32)); | ^^^^^^^^^^ not FFI-safe @@ -110,7 +119,7 @@ LL | pub fn tuple_type(p: (i32, i32)); = note: tuples have unspecified layout error: `extern` block uses type `(i32, i32)`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:60:27 + --> $DIR/lint-ctypes.rs:62:27 | LL | pub fn tuple_type2(p: I32Pair); | ^^^^^^^ not FFI-safe @@ -119,7 +128,7 @@ LL | pub fn tuple_type2(p: I32Pair); = note: tuples have unspecified layout error: `extern` block uses type `ZeroSize`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:61:25 + --> $DIR/lint-ctypes.rs:63:25 | LL | pub fn zero_size(p: ZeroSize); | ^^^^^^^^ not FFI-safe @@ -133,7 +142,7 @@ LL | pub struct ZeroSize; | ^^^^^^^^^^^^^^^^^^^^ error: `extern` block uses type `ZeroSizeWithPhantomData`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:62:33 + --> $DIR/lint-ctypes.rs:64:33 | LL | pub fn zero_size_phantom(p: ZeroSizeWithPhantomData); | ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -146,7 +155,7 @@ LL | pub struct ZeroSizeWithPhantomData(::std::marker::PhantomData<i32>); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `extern` block uses type `PhantomData<bool>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:65:12 + --> $DIR/lint-ctypes.rs:67:12 | LL | -> ::std::marker::PhantomData<bool>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -154,7 +163,7 @@ LL | -> ::std::marker::PhantomData<bool>; = note: composed only of `PhantomData` error: `extern` block uses type `fn()`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:66:23 + --> $DIR/lint-ctypes.rs:68:23 | LL | pub fn fn_type(p: RustFn); | ^^^^^^ not FFI-safe @@ -163,7 +172,7 @@ LL | pub fn fn_type(p: RustFn); = note: this function pointer has Rust-specific calling convention error: `extern` block uses type `fn()`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:67:24 + --> $DIR/lint-ctypes.rs:69:24 | LL | pub fn fn_type2(p: fn()); | ^^^^ not FFI-safe @@ -172,7 +181,7 @@ LL | pub fn fn_type2(p: fn()); = note: this function pointer has Rust-specific calling convention error: `extern` block uses type `Box<u32>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:68:28 + --> $DIR/lint-ctypes.rs:70:28 | LL | pub fn fn_contained(p: RustBadRet); | ^^^^^^^^^^ not FFI-safe @@ -181,7 +190,7 @@ LL | pub fn fn_contained(p: RustBadRet); = note: this struct has unspecified layout error: `extern` block uses type `i128`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:69:32 + --> $DIR/lint-ctypes.rs:71:32 | LL | pub fn transparent_i128(p: TransparentI128); | ^^^^^^^^^^^^^^^ not FFI-safe @@ -189,7 +198,7 @@ LL | pub fn transparent_i128(p: TransparentI128); = note: 128-bit integers don't currently have a known stable ABI error: `extern` block uses type `str`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:70:31 + --> $DIR/lint-ctypes.rs:72:31 | LL | pub fn transparent_str(p: TransparentStr); | ^^^^^^^^^^^^^^ not FFI-safe @@ -198,7 +207,7 @@ LL | pub fn transparent_str(p: TransparentStr); = note: string slices have no C equivalent error: `extern` block uses type `Box<u32>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:71:30 + --> $DIR/lint-ctypes.rs:73:30 | LL | pub fn transparent_fn(p: TransparentBadFn); | ^^^^^^^^^^^^^^^^ not FFI-safe @@ -207,7 +216,7 @@ LL | pub fn transparent_fn(p: TransparentBadFn); = note: this struct has unspecified layout error: `extern` block uses type `[u8; 8]`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:72:27 + --> $DIR/lint-ctypes.rs:74:27 | LL | pub fn raw_array(arr: [u8; 8]); | ^^^^^^^ not FFI-safe @@ -216,7 +225,7 @@ LL | pub fn raw_array(arr: [u8; 8]); = note: passing raw arrays by value is not FFI-safe error: `extern` block uses type `Option<UnsafeCell<extern "C" fn()>>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:74:26 + --> $DIR/lint-ctypes.rs:76:26 | LL | pub fn no_niche_a(a: Option<UnsafeCell<extern fn()>>); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -225,7 +234,7 @@ LL | pub fn no_niche_a(a: Option<UnsafeCell<extern fn()>>); = note: enum has no representation hint error: `extern` block uses type `Option<UnsafeCell<&i32>>`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:76:26 + --> $DIR/lint-ctypes.rs:78:26 | LL | pub fn no_niche_b(b: Option<UnsafeCell<&i32>>); | ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -234,7 +243,7 @@ LL | pub fn no_niche_b(b: Option<UnsafeCell<&i32>>); = note: enum has no representation hint error: `extern` block uses type `u128`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:79:34 + --> $DIR/lint-ctypes.rs:81:34 | LL | pub static static_u128_type: u128; | ^^^^ not FFI-safe @@ -242,12 +251,12 @@ LL | pub static static_u128_type: u128; = note: 128-bit integers don't currently have a known stable ABI error: `extern` block uses type `u128`, which is not FFI-safe - --> $DIR/lint-ctypes.rs:80:40 + --> $DIR/lint-ctypes.rs:82:40 | LL | pub static static_u128_array_type: [u128; 16]; | ^^^^^^^^^^ not FFI-safe | = note: 128-bit integers don't currently have a known stable ABI -error: aborting due to 26 previous errors +error: aborting due to 27 previous errors diff --git a/src/test/ui/macros/auxiliary/macro-def-site-super.rs b/src/test/ui/macros/auxiliary/macro-def-site-super.rs new file mode 100644 index 00000000000..cab747c2c05 --- /dev/null +++ b/src/test/ui/macros/auxiliary/macro-def-site-super.rs @@ -0,0 +1,13 @@ +#![feature(decl_macro)] + +mod inner1 { + pub struct Struct {} + + pub mod inner2 { + pub macro mac() { + super::Struct + } + } +} + +pub use inner1::inner2 as public; diff --git a/src/test/ui/macros/macro-def-site-super.rs b/src/test/ui/macros/macro-def-site-super.rs new file mode 100644 index 00000000000..716a8ced5bb --- /dev/null +++ b/src/test/ui/macros/macro-def-site-super.rs @@ -0,0 +1,10 @@ +// `super` in a `macro` refers to the parent module of the macro itself and not its reexport. + +// check-pass +// aux-build:macro-def-site-super.rs + +extern crate macro_def_site_super; + +type A = macro_def_site_super::public::mac!(); + +fn main() {} diff --git a/src/test/ui/proc-macro/meta-macro-hygiene.rs b/src/test/ui/proc-macro/meta-macro-hygiene.rs index 2536b2fa902..62968ea54e0 100644 --- a/src/test/ui/proc-macro/meta-macro-hygiene.rs +++ b/src/test/ui/proc-macro/meta-macro-hygiene.rs @@ -4,6 +4,7 @@ // compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene -Z trim-diagnostic-paths=no // check-pass // normalize-stdout-test "\d+#" -> "0#" +// normalize-stdout-test "expn\d{3,}" -> "expnNNN" // // We don't care about symbol ids, so we set them all to 0 // in the stdout diff --git a/src/test/ui/proc-macro/meta-macro-hygiene.stdout b/src/test/ui/proc-macro/meta-macro-hygiene.stdout index 2524d8273b7..7f7a1009c90 100644 --- a/src/test/ui/proc-macro/meta-macro-hygiene.stdout +++ b/src/test/ui/proc-macro/meta-macro-hygiene.stdout @@ -1,5 +1,5 @@ Def site: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) -Input: TokenStream [Ident { ident: "$crate", span: $DIR/meta-macro-hygiene.rs:23:37: 23:43 (#4) }, Punct { ch: ':', spacing: Joint, span: $DIR/meta-macro-hygiene.rs:23:43: 23:45 (#4) }, Punct { ch: ':', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:23:43: 23:45 (#4) }, Ident { ident: "dummy", span: $DIR/meta-macro-hygiene.rs:23:45: 23:50 (#4) }, Punct { ch: '!', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:23:50: 23:51 (#4) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/meta-macro-hygiene.rs:23:51: 23:53 (#4) }] +Input: TokenStream [Ident { ident: "$crate", span: $DIR/meta-macro-hygiene.rs:24:37: 24:43 (#4) }, Punct { ch: ':', spacing: Joint, span: $DIR/meta-macro-hygiene.rs:24:43: 24:45 (#4) }, Punct { ch: ':', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:24:43: 24:45 (#4) }, Ident { ident: "dummy", span: $DIR/meta-macro-hygiene.rs:24:45: 24:50 (#4) }, Punct { ch: '!', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:24:50: 24:51 (#4) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/meta-macro-hygiene.rs:24:51: 24:53 (#4) }] Respanned: TokenStream [Ident { ident: "$crate", span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Punct { ch: ':', spacing: Joint, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Punct { ch: ':', spacing: Alone, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Ident { ident: "dummy", span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Punct { ch: '!', spacing: Alone, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }] #![feature /* 0#0 */(prelude_import)] // aux-build:make-macro.rs @@ -8,6 +8,7 @@ Respanned: TokenStream [Ident { ident: "$crate", span: $DIR/auxiliary/make-macro // compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene -Z trim-diagnostic-paths=no // check-pass // normalize-stdout-test "\d+#" -> "0#" +// normalize-stdout-test "expn\d{3,}" -> "expnNNN" // // We don't care about symbol ids, so we set them all to 0 // in the stdout @@ -48,6 +49,7 @@ crate0::{{expn1}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: crate0::{{expn2}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: Macro(Bang, "produce_it") crate0::{{expn3}}: parent: crate0::{{expn2}}, call_site_ctxt: #4, def_site_ctxt: #0, kind: Macro(Bang, "meta_macro::print_def_site") crate0::{{expn4}}: parent: crate0::{{expn3}}, call_site_ctxt: #5, def_site_ctxt: #0, kind: Macro(Bang, "$crate::dummy") +crate1::{{expnNNN}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: Macro(Bang, "include") crate2::{{expn1}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: AstPass(StdImports) SyntaxContexts: diff --git a/src/test/ui/proc-macro/nonterminal-token-hygiene.rs b/src/test/ui/proc-macro/nonterminal-token-hygiene.rs index 98fd4306004..fa52a975bca 100644 --- a/src/test/ui/proc-macro/nonterminal-token-hygiene.rs +++ b/src/test/ui/proc-macro/nonterminal-token-hygiene.rs @@ -4,6 +4,7 @@ // compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene // compile-flags: -Z trim-diagnostic-paths=no // normalize-stdout-test "\d+#" -> "0#" +// normalize-stdout-test "expn\d{3,}" -> "expnNNN" // aux-build:test-macros.rs #![feature(decl_macro)] diff --git a/src/test/ui/proc-macro/nonterminal-token-hygiene.stdout b/src/test/ui/proc-macro/nonterminal-token-hygiene.stdout index b5ab82737e9..07803863813 100644 --- a/src/test/ui/proc-macro/nonterminal-token-hygiene.stdout +++ b/src/test/ui/proc-macro/nonterminal-token-hygiene.stdout @@ -6,19 +6,19 @@ PRINT-BANG INPUT (DEBUG): TokenStream [ stream: TokenStream [ Ident { ident: "struct", - span: $DIR/nonterminal-token-hygiene.rs:30:5: 30:11 (#5), + span: $DIR/nonterminal-token-hygiene.rs:31:5: 31:11 (#5), }, Ident { ident: "S", - span: $DIR/nonterminal-token-hygiene.rs:30:12: 30:13 (#5), + span: $DIR/nonterminal-token-hygiene.rs:31:12: 31:13 (#5), }, Punct { ch: ';', spacing: Alone, - span: $DIR/nonterminal-token-hygiene.rs:30:13: 30:14 (#5), + span: $DIR/nonterminal-token-hygiene.rs:31:13: 31:14 (#5), }, ], - span: $DIR/nonterminal-token-hygiene.rs:20:27: 20:32 (#6), + span: $DIR/nonterminal-token-hygiene.rs:21:27: 21:32 (#6), }, ] #![feature /* 0#0 */(prelude_import)] @@ -29,6 +29,7 @@ PRINT-BANG INPUT (DEBUG): TokenStream [ // compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene // compile-flags: -Z trim-diagnostic-paths=no // normalize-stdout-test "\d+#" -> "0#" +// normalize-stdout-test "expn\d{3,}" -> "expnNNN" // aux-build:test-macros.rs #![feature /* 0#0 */(decl_macro)] @@ -72,6 +73,7 @@ crate0::{{expn1}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: crate0::{{expn2}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: Macro(Bang, "outer") crate0::{{expn3}}: parent: crate0::{{expn2}}, call_site_ctxt: #4, def_site_ctxt: #4, kind: Macro(Bang, "inner") crate0::{{expn4}}: parent: crate0::{{expn3}}, call_site_ctxt: #6, def_site_ctxt: #0, kind: Macro(Bang, "print_bang") +crate1::{{expnNNN}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: Macro(Bang, "include") crate2::{{expn1}}: parent: crate0::{{expn0}}, call_site_ctxt: #0, def_site_ctxt: #0, kind: AstPass(StdImports) SyntaxContexts: diff --git a/src/test/ui/suggestions/issue-89333.rs b/src/test/ui/suggestions/issue-89333.rs new file mode 100644 index 00000000000..03ed28ede21 --- /dev/null +++ b/src/test/ui/suggestions/issue-89333.rs @@ -0,0 +1,11 @@ +// check-fail +// Ensure we don't error when emitting trait bound not satisfied when self type +// has late bound var + +fn main() { + test(&|| 0); //~ ERROR the trait bound +} + +trait Trait {} + +fn test<T>(arg: &impl Fn() -> T) where for<'a> &'a T: Trait {} diff --git a/src/test/ui/suggestions/issue-89333.stderr b/src/test/ui/suggestions/issue-89333.stderr new file mode 100644 index 00000000000..f73f1147d5d --- /dev/null +++ b/src/test/ui/suggestions/issue-89333.stderr @@ -0,0 +1,15 @@ +error[E0277]: the trait bound `for<'a> &'a _: Trait` is not satisfied + --> $DIR/issue-89333.rs:6:5 + | +LL | test(&|| 0); + | ^^^^ the trait `for<'a> Trait` is not implemented for `&'a _` + | +note: required by a bound in `test` + --> $DIR/issue-89333.rs:11:55 + | +LL | fn test<T>(arg: &impl Fn() -> T) where for<'a> &'a T: Trait {} + | ^^^^^ required by this bound in `test` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/use/use-from-trait-xc.stderr b/src/test/ui/use/use-from-trait-xc.stderr index 37b4e61c808..14523afbdac 100644 --- a/src/test/ui/use/use-from-trait-xc.stderr +++ b/src/test/ui/use/use-from-trait-xc.stderr @@ -38,7 +38,7 @@ error[E0432]: unresolved import `use_from_trait_xc::Baz::new` --> $DIR/use-from-trait-xc.rs:23:5 | LL | use use_from_trait_xc::Baz::new as baznew; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `new` in `Baz` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `new` in `sub::Baz` error[E0603]: struct `Foo` is private --> $DIR/use-from-trait-xc.rs:14:24 diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs index 6f12d34e66b..8282800c819 100644 --- a/src/tools/clippy/clippy_lints/src/booleans.rs +++ b/src/tools/clippy/clippy_lints/src/booleans.rs @@ -260,8 +260,8 @@ fn simplify_not(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<String> { }, ExprKind::MethodCall(path, _, args, _) if args.len() == 1 => { let type_of_receiver = cx.typeck_results().expr_ty(&args[0]); - if !is_type_diagnostic_item(cx, type_of_receiver, sym::option_type) - && !is_type_diagnostic_item(cx, type_of_receiver, sym::result_type) + if !is_type_diagnostic_item(cx, type_of_receiver, sym::Option) + && !is_type_diagnostic_item(cx, type_of_receiver, sym::Result) { return None; } diff --git a/src/tools/clippy/clippy_lints/src/case_sensitive_file_extension_comparisons.rs b/src/tools/clippy/clippy_lints/src/case_sensitive_file_extension_comparisons.rs index 86b32475ceb..c876553c165 100644 --- a/src/tools/clippy/clippy_lints/src/case_sensitive_file_extension_comparisons.rs +++ b/src/tools/clippy/clippy_lints/src/case_sensitive_file_extension_comparisons.rs @@ -55,7 +55,7 @@ fn check_case_sensitive_file_extension_comparison(ctx: &LateContext<'_>, expr: & return Some(span); }, ty::Adt(&ty::AdtDef { did, .. }, _) => { - if ctx.tcx.is_diagnostic_item(sym::string_type, did) { + if ctx.tcx.is_diagnostic_item(sym::String, did) { return Some(span); } }, diff --git a/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs b/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs index 2203d1c39f1..1ccb8c5d880 100644 --- a/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs +++ b/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs @@ -67,7 +67,7 @@ impl CognitiveComplexity { helper.visit_expr(expr); let CcHelper { cc, returns } = helper; let ret_ty = cx.typeck_results().node_type(expr.hir_id); - let ret_adjust = if is_type_diagnostic_item(cx, ret_ty, sym::result_type) { + let ret_adjust = if is_type_diagnostic_item(cx, ret_ty, sym::Result) { returns } else { #[allow(clippy::integer_division)] diff --git a/src/tools/clippy/clippy_lints/src/doc.rs b/src/tools/clippy/clippy_lints/src/doc.rs index 84f3b76a3c7..33ed6273ad2 100644 --- a/src/tools/clippy/clippy_lints/src/doc.rs +++ b/src/tools/clippy/clippy_lints/src/doc.rs @@ -307,7 +307,7 @@ fn lint_for_missing_headers<'tcx>( } if !headers.errors { let hir_id = cx.tcx.hir().local_def_id_to_hir_id(def_id); - if is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::result_type) { + if is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::Result) { span_lint( cx, MISSING_ERRORS_DOC, @@ -325,7 +325,7 @@ fn lint_for_missing_headers<'tcx>( if let ty::Opaque(_, subs) = ret_ty.kind(); if let Some(gen) = subs.types().next(); if let ty::Generator(_, subs, _) = gen.kind(); - if is_type_diagnostic_item(cx, subs.as_generator().return_ty(), sym::result_type); + if is_type_diagnostic_item(cx, subs.as_generator().return_ty(), sym::Result); then { span_lint( cx, @@ -760,8 +760,8 @@ impl<'a, 'tcx> Visitor<'tcx> for FindPanicUnwrap<'a, 'tcx> { // check for `unwrap` if let Some(arglists) = method_chain_args(expr, &["unwrap"]) { let reciever_ty = self.typeck_results.expr_ty(&arglists[0][0]).peel_refs(); - if is_type_diagnostic_item(self.cx, reciever_ty, sym::option_type) - || is_type_diagnostic_item(self.cx, reciever_ty, sym::result_type) + if is_type_diagnostic_item(self.cx, reciever_ty, sym::Option) + || is_type_diagnostic_item(self.cx, reciever_ty, sym::Result) { self.panic_span = Some(expr.span); } diff --git a/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs b/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs index f22f52b949e..70337f5bbeb 100644 --- a/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs +++ b/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs @@ -57,7 +57,7 @@ impl<'tcx> LateLintPass<'tcx> for FallibleImplFrom { if_chain! { if let hir::ItemKind::Impl(impl_) = &item.kind; if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.def_id); - if cx.tcx.is_diagnostic_item(sym::from_trait, impl_trait_ref.def_id); + if cx.tcx.is_diagnostic_item(sym::From, impl_trait_ref.def_id); then { lint_impl_body(cx, item.span, impl_.items); } @@ -94,8 +94,8 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_items: &[h // check for `unwrap` if let Some(arglists) = method_chain_args(expr, &["unwrap"]) { let reciever_ty = self.typeck_results.expr_ty(&arglists[0][0]).peel_refs(); - if is_type_diagnostic_item(self.lcx, reciever_ty, sym::option_type) - || is_type_diagnostic_item(self.lcx, reciever_ty, sym::result_type) + if is_type_diagnostic_item(self.lcx, reciever_ty, sym::Option) + || is_type_diagnostic_item(self.lcx, reciever_ty, sym::Result) { self.result.push(expr.span); } diff --git a/src/tools/clippy/clippy_lints/src/format.rs b/src/tools/clippy/clippy_lints/src/format.rs index 508cac33848..129a8475e1c 100644 --- a/src/tools/clippy/clippy_lints/src/format.rs +++ b/src/tools/clippy/clippy_lints/src/format.rs @@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessFormat { if_chain! { if format_args.format_string_symbols == [kw::Empty]; if match cx.typeck_results().expr_ty(value).peel_refs().kind() { - ty::Adt(adt, _) => cx.tcx.is_diagnostic_item(sym::string_type, adt.did), + ty::Adt(adt, _) => cx.tcx.is_diagnostic_item(sym::String, adt.did), ty::Str => true, _ => false, }; diff --git a/src/tools/clippy/clippy_lints/src/from_over_into.rs b/src/tools/clippy/clippy_lints/src/from_over_into.rs index 623546cd1de..347c6eb12cb 100644 --- a/src/tools/clippy/clippy_lints/src/from_over_into.rs +++ b/src/tools/clippy/clippy_lints/src/from_over_into.rs @@ -61,7 +61,7 @@ impl LateLintPass<'_> for FromOverInto { if_chain! { if let hir::ItemKind::Impl{ .. } = &item.kind; if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.def_id); - if cx.tcx.is_diagnostic_item(sym::into_trait, impl_trait_ref.def_id); + if cx.tcx.is_diagnostic_item(sym::Into, impl_trait_ref.def_id); then { span_lint_and_help( diff --git a/src/tools/clippy/clippy_lints/src/from_str_radix_10.rs b/src/tools/clippy/clippy_lints/src/from_str_radix_10.rs index cc4bb85c50f..98ce3db025c 100644 --- a/src/tools/clippy/clippy_lints/src/from_str_radix_10.rs +++ b/src/tools/clippy/clippy_lints/src/from_str_radix_10.rs @@ -98,5 +98,5 @@ impl LateLintPass<'tcx> for FromStrRadix10 { /// Checks if a Ty is `String` or `&str` fn is_ty_stringish(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { - is_type_diagnostic_item(cx, ty, sym::string_type) || is_type_diagnostic_item(cx, ty, sym::str) + is_type_diagnostic_item(cx, ty, sym::String) || is_type_diagnostic_item(cx, ty, sym::str) } diff --git a/src/tools/clippy/clippy_lints/src/functions/result_unit_err.rs b/src/tools/clippy/clippy_lints/src/functions/result_unit_err.rs index 13863ec8381..71f6f87ae60 100644 --- a/src/tools/clippy/clippy_lints/src/functions/result_unit_err.rs +++ b/src/tools/clippy/clippy_lints/src/functions/result_unit_err.rs @@ -48,7 +48,7 @@ fn check_result_unit_err(cx: &LateContext<'_>, decl: &hir::FnDecl<'_>, item_span if !in_external_macro(cx.sess(), item_span); if let hir::FnRetTy::Return(ty) = decl.output; let ty = hir_ty_to_ty(cx.tcx, ty); - if is_type_diagnostic_item(cx, ty, sym::result_type); + if is_type_diagnostic_item(cx, ty, sym::Result); if let ty::Adt(_, substs) = ty.kind(); let err_ty = substs.type_at(1); if err_ty.is_unit(); diff --git a/src/tools/clippy/clippy_lints/src/future_not_send.rs b/src/tools/clippy/clippy_lints/src/future_not_send.rs index 3e35ada7b2a..e18442515b8 100644 --- a/src/tools/clippy/clippy_lints/src/future_not_send.rs +++ b/src/tools/clippy/clippy_lints/src/future_not_send.rs @@ -75,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend { } } if is_future { - let send_trait = cx.tcx.get_diagnostic_item(sym::send_trait).unwrap(); + let send_trait = cx.tcx.get_diagnostic_item(sym::Send).unwrap(); let span = decl.output.span(); let send_result = cx.tcx.infer_ctxt().enter(|infcx| { let cause = traits::ObligationCause::misc(span, hir_id); diff --git a/src/tools/clippy/clippy_lints/src/get_last_with_len.rs b/src/tools/clippy/clippy_lints/src/get_last_with_len.rs index ced35030de8..f3929b0f1e6 100644 --- a/src/tools/clippy/clippy_lints/src/get_last_with_len.rs +++ b/src/tools/clippy/clippy_lints/src/get_last_with_len.rs @@ -58,7 +58,7 @@ impl<'tcx> LateLintPass<'tcx> for GetLastWithLen { // Argument 0 (the struct we're calling the method on) is a vector if let Some(struct_calling_on) = args.get(0); let struct_ty = cx.typeck_results().expr_ty(struct_calling_on); - if is_type_diagnostic_item(cx, struct_ty, sym::vec_type); + if is_type_diagnostic_item(cx, struct_ty, sym::Vec); // Argument to "get" is a subtraction if let Some(get_index_arg) = args.get(1); diff --git a/src/tools/clippy/clippy_lints/src/if_let_mutex.rs b/src/tools/clippy/clippy_lints/src/if_let_mutex.rs index ef72b88b3c7..a4118bf54b6 100644 --- a/src/tools/clippy/clippy_lints/src/if_let_mutex.rs +++ b/src/tools/clippy/clippy_lints/src/if_let_mutex.rs @@ -8,6 +8,7 @@ use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::map::Map; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -141,7 +142,7 @@ fn is_mutex_lock_call<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Opt if let ExprKind::MethodCall(path, _span, [self_arg, ..], _) = &expr.kind; if path.ident.as_str() == "lock"; let ty = cx.typeck_results().expr_ty(self_arg); - if is_type_diagnostic_item(cx, ty, sym!(mutex_type)); + if is_type_diagnostic_item(cx, ty, sym::Mutex); then { Some(self_arg) } else { diff --git a/src/tools/clippy/clippy_lints/src/implicit_hasher.rs b/src/tools/clippy/clippy_lints/src/implicit_hasher.rs index 2fe32fcf665..9da06d1418e 100644 --- a/src/tools/clippy/clippy_lints/src/implicit_hasher.rs +++ b/src/tools/clippy/clippy_lints/src/implicit_hasher.rs @@ -225,14 +225,14 @@ impl<'tcx> ImplicitHasherType<'tcx> { let ty = hir_ty_to_ty(cx.tcx, hir_ty); - if is_type_diagnostic_item(cx, ty, sym::hashmap_type) && params_len == 2 { + if is_type_diagnostic_item(cx, ty, sym::HashMap) && params_len == 2 { Some(ImplicitHasherType::HashMap( hir_ty.span, ty, snippet(cx, params[0].span, "K"), snippet(cx, params[1].span, "V"), )) - } else if is_type_diagnostic_item(cx, ty, sym::hashset_type) && params_len == 1 { + } else if is_type_diagnostic_item(cx, ty, sym::HashSet) && params_len == 1 { Some(ImplicitHasherType::HashSet( hir_ty.span, ty, @@ -347,7 +347,7 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for ImplicitHasherConstructorVisitor<'a, 'b, 't return; } - if self.cx.tcx.is_diagnostic_item(sym::hashmap_type, ty_did) { + if self.cx.tcx.is_diagnostic_item(sym::HashMap, ty_did) { if method.ident.name == sym::new { self.suggestions .insert(e.span, "HashMap::default()".to_string()); @@ -360,7 +360,7 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for ImplicitHasherConstructorVisitor<'a, 'b, 't ), ); } - } else if self.cx.tcx.is_diagnostic_item(sym::hashset_type, ty_did) { + } else if self.cx.tcx.is_diagnostic_item(sym::HashSet, ty_did) { if method.ident.name == sym::new { self.suggestions .insert(e.span, "HashSet::default()".to_string()); diff --git a/src/tools/clippy/clippy_lints/src/infinite_iter.rs b/src/tools/clippy/clippy_lints/src/infinite_iter.rs index 58646385def..68c1fa35fcc 100644 --- a/src/tools/clippy/clippy_lints/src/infinite_iter.rs +++ b/src/tools/clippy/clippy_lints/src/infinite_iter.rs @@ -210,11 +210,11 @@ const INFINITE_COLLECTORS: &[Symbol] = &[ sym::BinaryHeap, sym::BTreeMap, sym::BTreeSet, - sym::hashmap_type, - sym::hashset_type, + sym::HashMap, + sym::HashSet, sym::LinkedList, - sym::vec_type, - sym::vecdeque_type, + sym::Vec, + sym::VecDeque, ]; fn complete_infinite_iter(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness { diff --git a/src/tools/clippy/clippy_lints/src/inherent_to_string.rs b/src/tools/clippy/clippy_lints/src/inherent_to_string.rs index b62fad4bd39..3c40ca50a09 100644 --- a/src/tools/clippy/clippy_lints/src/inherent_to_string.rs +++ b/src/tools/clippy/clippy_lints/src/inherent_to_string.rs @@ -111,7 +111,7 @@ impl<'tcx> LateLintPass<'tcx> for InherentToString { if impl_item.generics.params.is_empty(); // Check if return type is String - if is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::string_type); + if is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::String); // Filters instances of to_string which are required by a trait if trait_ref_of_method(cx, impl_item.hir_id()).is_none(); diff --git a/src/tools/clippy/clippy_lints/src/len_zero.rs b/src/tools/clippy/clippy_lints/src/len_zero.rs index a519ad90df5..de46e50a68a 100644 --- a/src/tools/clippy/clippy_lints/src/len_zero.rs +++ b/src/tools/clippy/clippy_lints/src/len_zero.rs @@ -245,10 +245,10 @@ enum LenOutput<'tcx> { fn parse_len_output(cx: &LateContext<'_>, sig: FnSig<'tcx>) -> Option<LenOutput<'tcx>> { match *sig.output().kind() { ty::Int(_) | ty::Uint(_) => Some(LenOutput::Integral), - ty::Adt(adt, subs) if cx.tcx.is_diagnostic_item(sym::option_type, adt.did) => { + ty::Adt(adt, subs) if cx.tcx.is_diagnostic_item(sym::Option, adt.did) => { subs.type_at(0).is_integral().then(|| LenOutput::Option(adt.did)) }, - ty::Adt(adt, subs) if cx.tcx.is_diagnostic_item(sym::result_type, adt.did) => subs + ty::Adt(adt, subs) if cx.tcx.is_diagnostic_item(sym::Result, adt.did) => subs .type_at(0) .is_integral() .then(|| LenOutput::Result(adt.did, subs.type_at(1))), diff --git a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs index 50bc096ba22..5ac69d106ce 100644 --- a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs @@ -54,11 +54,11 @@ fn is_ref_iterable_type(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { // will allow further borrows afterwards let ty = cx.typeck_results().expr_ty(e); is_iterable_array(ty, cx) || - is_type_diagnostic_item(cx, ty, sym::vec_type) || + is_type_diagnostic_item(cx, ty, sym::Vec) || is_type_diagnostic_item(cx, ty, sym::LinkedList) || - is_type_diagnostic_item(cx, ty, sym::hashmap_type) || - is_type_diagnostic_item(cx, ty, sym::hashset_type) || - is_type_diagnostic_item(cx, ty, sym::vecdeque_type) || + is_type_diagnostic_item(cx, ty, sym::HashMap) || + is_type_diagnostic_item(cx, ty, sym::HashSet) || + is_type_diagnostic_item(cx, ty, sym::VecDeque) || is_type_diagnostic_item(cx, ty, sym::BinaryHeap) || is_type_diagnostic_item(cx, ty, sym::BTreeMap) || is_type_diagnostic_item(cx, ty, sym::BTreeSet) diff --git a/src/tools/clippy/clippy_lints/src/loops/for_kv_map.rs b/src/tools/clippy/clippy_lints/src/loops/for_kv_map.rs index dd60e460d21..bee0e1d7683 100644 --- a/src/tools/clippy/clippy_lints/src/loops/for_kv_map.rs +++ b/src/tools/clippy/clippy_lints/src/loops/for_kv_map.rs @@ -33,7 +33,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>, arg: &'tcx _ => arg, }; - if is_type_diagnostic_item(cx, ty, sym::hashmap_type) || is_type_diagnostic_item(cx, ty, sym::BTreeMap) { + if is_type_diagnostic_item(cx, ty, sym::HashMap) || is_type_diagnostic_item(cx, ty, sym::BTreeMap) { span_lint_and_then( cx, FOR_KV_MAP, diff --git a/src/tools/clippy/clippy_lints/src/loops/for_loops_over_fallibles.rs b/src/tools/clippy/clippy_lints/src/loops/for_loops_over_fallibles.rs index d49b0517dcf..90530ebf003 100644 --- a/src/tools/clippy/clippy_lints/src/loops/for_loops_over_fallibles.rs +++ b/src/tools/clippy/clippy_lints/src/loops/for_loops_over_fallibles.rs @@ -9,7 +9,7 @@ use rustc_span::symbol::sym; /// Checks for `for` loops over `Option`s and `Result`s. pub(super) fn check(cx: &LateContext<'_>, pat: &Pat<'_>, arg: &Expr<'_>) { let ty = cx.typeck_results().expr_ty(arg); - if is_type_diagnostic_item(cx, ty, sym::option_type) { + if is_type_diagnostic_item(cx, ty, sym::Option) { span_lint_and_help( cx, FOR_LOOPS_OVER_FALLIBLES, @@ -26,7 +26,7 @@ pub(super) fn check(cx: &LateContext<'_>, pat: &Pat<'_>, arg: &Expr<'_>) { snippet(cx, arg.span, "_") ), ); - } else if is_type_diagnostic_item(cx, ty, sym::result_type) { + } else if is_type_diagnostic_item(cx, ty, sym::Result) { span_lint_and_help( cx, FOR_LOOPS_OVER_FALLIBLES, diff --git a/src/tools/clippy/clippy_lints/src/loops/manual_memcpy.rs b/src/tools/clippy/clippy_lints/src/loops/manual_memcpy.rs index 2296842e86f..72027a163af 100644 --- a/src/tools/clippy/clippy_lints/src/loops/manual_memcpy.rs +++ b/src/tools/clippy/clippy_lints/src/loops/manual_memcpy.rs @@ -332,7 +332,7 @@ fn is_slice_like<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'_>) -> bool { _ => false, }; - is_slice || is_type_diagnostic_item(cx, ty, sym::vec_type) || is_type_diagnostic_item(cx, ty, sym::vecdeque_type) + is_slice || is_type_diagnostic_item(cx, ty, sym::Vec) || is_type_diagnostic_item(cx, ty, sym::VecDeque) } fn fetch_cloned_expr<'tcx>(expr: &'tcx Expr<'tcx>) -> &'tcx Expr<'tcx> { diff --git a/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs b/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs index f90ed7397e1..e87f4b66912 100644 --- a/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs +++ b/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs @@ -29,8 +29,8 @@ fn check_needless_collect_direct_usage<'tcx>(expr: &'tcx Expr<'_>, cx: &LateCont let mut applicability = Applicability::MaybeIncorrect; let is_empty_sugg = "next().is_none()".to_string(); let method_name = &*method.ident.name.as_str(); - let sugg = if is_type_diagnostic_item(cx, ty, sym::vec_type) || - is_type_diagnostic_item(cx, ty, sym::vecdeque_type) || + let sugg = if is_type_diagnostic_item(cx, ty, sym::Vec) || + is_type_diagnostic_item(cx, ty, sym::VecDeque) || is_type_diagnostic_item(cx, ty, sym::LinkedList) || is_type_diagnostic_item(cx, ty, sym::BinaryHeap) { match method_name { @@ -47,7 +47,7 @@ fn check_needless_collect_direct_usage<'tcx>(expr: &'tcx Expr<'_>, cx: &LateCont } } else if is_type_diagnostic_item(cx, ty, sym::BTreeMap) || - is_type_diagnostic_item(cx, ty, sym::hashmap_type) { + is_type_diagnostic_item(cx, ty, sym::HashMap) { match method_name { "is_empty" => is_empty_sugg, _ => return, @@ -79,8 +79,8 @@ fn check_needless_collect_indirect_usage<'tcx>(expr: &'tcx Expr<'_>, cx: &LateCo if let ExprKind::MethodCall(method_name, collect_span, &[ref iter_source], ..) = init_expr.kind; if method_name.ident.name == sym!(collect) && is_trait_method(cx, init_expr, sym::Iterator); let ty = cx.typeck_results().expr_ty(init_expr); - if is_type_diagnostic_item(cx, ty, sym::vec_type) || - is_type_diagnostic_item(cx, ty, sym::vecdeque_type) || + if is_type_diagnostic_item(cx, ty, sym::Vec) || + is_type_diagnostic_item(cx, ty, sym::VecDeque) || is_type_diagnostic_item(cx, ty, sym::BinaryHeap) || is_type_diagnostic_item(cx, ty, sym::LinkedList); if let Some(iter_calls) = detect_iter_and_into_iters(block, id); diff --git a/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs b/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs index 545498a1047..2eb247de9f4 100644 --- a/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs +++ b/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs @@ -192,7 +192,7 @@ fn get_vec_push<'tcx>(cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) -> Option<(& if let Some(self_expr) = args.get(0); if let Some(pushed_item) = args.get(1); // Check that the method being called is push() on a Vec - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(self_expr), sym::vec_type); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(self_expr), sym::Vec); if path.ident.name.as_str() == "push"; then { return Some((self_expr, pushed_item)) diff --git a/src/tools/clippy/clippy_lints/src/manual_map.rs b/src/tools/clippy/clippy_lints/src/manual_map.rs index b5f573cb104..96df3d0a490 100644 --- a/src/tools/clippy/clippy_lints/src/manual_map.rs +++ b/src/tools/clippy/clippy_lints/src/manual_map.rs @@ -61,8 +61,8 @@ impl LateLintPass<'_> for ManualMap { let (scrutinee_ty, ty_ref_count, ty_mutability) = peel_mid_ty_refs_is_mutable(cx.typeck_results().expr_ty(scrutinee)); - if !(is_type_diagnostic_item(cx, scrutinee_ty, sym::option_type) - && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::option_type)) + if !(is_type_diagnostic_item(cx, scrutinee_ty, sym::Option) + && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::Option)) { return; } diff --git a/src/tools/clippy/clippy_lints/src/manual_ok_or.rs b/src/tools/clippy/clippy_lints/src/manual_ok_or.rs index b2f287af697..cf641d0ce86 100644 --- a/src/tools/clippy/clippy_lints/src/manual_ok_or.rs +++ b/src/tools/clippy/clippy_lints/src/manual_ok_or.rs @@ -51,7 +51,7 @@ impl LateLintPass<'_> for ManualOkOr { if args.len() == 3; let method_receiver = &args[0]; let ty = cx.typeck_results().expr_ty(method_receiver); - if is_type_diagnostic_item(cx, ty, sym::option_type); + if is_type_diagnostic_item(cx, ty, sym::Option); let or_expr = &args[1]; if is_ok_wrapping(cx, &args[2]); if let ExprKind::Call(Expr { kind: ExprKind::Path(err_path), .. }, &[ref err_arg]) = or_expr.kind; diff --git a/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs b/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs index 426789742d5..2ae9cb4f9c1 100644 --- a/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs +++ b/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs @@ -82,9 +82,9 @@ fn lint_manual_unwrap_or<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { if_chain! { if let ExprKind::Match(scrutinee, match_arms, _) = expr.kind; let ty = cx.typeck_results().expr_ty(scrutinee); - if let Some(ty_name) = if is_type_diagnostic_item(cx, ty, sym::option_type) { + if let Some(ty_name) = if is_type_diagnostic_item(cx, ty, sym::Option) { Some("Option") - } else if is_type_diagnostic_item(cx, ty, sym::result_type) { + } else if is_type_diagnostic_item(cx, ty, sym::Result) { Some("Result") } else { None diff --git a/src/tools/clippy/clippy_lints/src/map_clone.rs b/src/tools/clippy/clippy_lints/src/map_clone.rs index 394606200bb..7db5c7e52ea 100644 --- a/src/tools/clippy/clippy_lints/src/map_clone.rs +++ b/src/tools/clippy/clippy_lints/src/map_clone.rs @@ -55,7 +55,7 @@ impl<'tcx> LateLintPass<'tcx> for MapClone { if args.len() == 2; if method.ident.name == sym::map; let ty = cx.typeck_results().expr_ty(&args[0]); - if is_type_diagnostic_item(cx, ty, sym::option_type) || is_trait_method(cx, e, sym::Iterator); + if is_type_diagnostic_item(cx, ty, sym::Option) || is_trait_method(cx, e, sym::Iterator); if let hir::ExprKind::Closure(_, _, body_id, _, _) = args[1].kind; then { let closure_body = cx.tcx.hir().body(body_id); diff --git a/src/tools/clippy/clippy_lints/src/map_unit_fn.rs b/src/tools/clippy/clippy_lints/src/map_unit_fn.rs index fd40590d077..952e250bb9e 100644 --- a/src/tools/clippy/clippy_lints/src/map_unit_fn.rs +++ b/src/tools/clippy/clippy_lints/src/map_unit_fn.rs @@ -206,9 +206,9 @@ fn lint_map_unit_fn(cx: &LateContext<'_>, stmt: &hir::Stmt<'_>, expr: &hir::Expr let var_arg = &map_args[0]; let (map_type, variant, lint) = - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(var_arg), sym::option_type) { + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(var_arg), sym::Option) { ("Option", "Some", OPTION_MAP_UNIT_FN) - } else if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(var_arg), sym::result_type) { + } else if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(var_arg), sym::Result) { ("Result", "Ok", RESULT_MAP_UNIT_FN) } else { return; diff --git a/src/tools/clippy/clippy_lints/src/match_on_vec_items.rs b/src/tools/clippy/clippy_lints/src/match_on_vec_items.rs index e66a35452f0..552c9a58897 100644 --- a/src/tools/clippy/clippy_lints/src/match_on_vec_items.rs +++ b/src/tools/clippy/clippy_lints/src/match_on_vec_items.rs @@ -93,7 +93,7 @@ fn is_vec_indexing<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Opti fn is_vector(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { let ty = cx.typeck_results().expr_ty(expr); let ty = ty.peel_refs(); - is_type_diagnostic_item(cx, ty, sym::vec_type) + is_type_diagnostic_item(cx, ty, sym::Vec) } fn is_full_range(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/match_result_ok.rs b/src/tools/clippy/clippy_lints/src/match_result_ok.rs index c7de06f0815..3db1f0421ea 100644 --- a/src/tools/clippy/clippy_lints/src/match_result_ok.rs +++ b/src/tools/clippy/clippy_lints/src/match_result_ok.rs @@ -60,7 +60,7 @@ impl<'tcx> LateLintPass<'tcx> for MatchResultOk { if let ExprKind::MethodCall(_, ok_span, [ref result_types_0, ..], _) = let_expr.kind; //check is expr.ok() has type Result<T,E>.ok(, _) if let PatKind::TupleStruct(QPath::Resolved(_, x), y, _) = let_pat.kind; //get operation if method_chain_args(let_expr, &["ok"]).is_some(); //test to see if using ok() methoduse std::marker::Sized; - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(result_types_0), sym::result_type); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(result_types_0), sym::Result); if rustc_hir_pretty::to_string(rustc_hir_pretty::NO_ANN, |s| s.print_path(x, false)) == "Some"; then { diff --git a/src/tools/clippy/clippy_lints/src/matches.rs b/src/tools/clippy/clippy_lints/src/matches.rs index d878fbc35fd..a685c1eaa2c 100644 --- a/src/tools/clippy/clippy_lints/src/matches.rs +++ b/src/tools/clippy/clippy_lints/src/matches.rs @@ -948,7 +948,7 @@ fn check_overlapping_arms<'tcx>(cx: &LateContext<'tcx>, ex: &'tcx Expr<'_>, arms fn check_wild_err_arm<'tcx>(cx: &LateContext<'tcx>, ex: &Expr<'tcx>, arms: &[Arm<'tcx>]) { let ex_ty = cx.typeck_results().expr_ty(ex).peel_refs(); - if is_type_diagnostic_item(cx, ex_ty, sym::result_type) { + if is_type_diagnostic_item(cx, ex_ty, sym::Result) { for arm in arms { if let PatKind::TupleStruct(ref path, inner, _) = arm.pat.kind { let path_str = rustc_hir_pretty::to_string(rustc_hir_pretty::NO_ANN, |s| s.print_qpath(path, false)); @@ -1025,8 +1025,8 @@ fn check_wild_enum_match(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) let adt_def = match ty.kind() { ty::Adt(adt_def, _) if adt_def.is_enum() - && !(is_type_diagnostic_item(cx, ty, sym::option_type) - || is_type_diagnostic_item(cx, ty, sym::result_type)) => + && !(is_type_diagnostic_item(cx, ty, sym::Option) + || is_type_diagnostic_item(cx, ty, sym::Result)) => { adt_def }, @@ -1869,7 +1869,7 @@ mod redundant_pattern_match { } } // Check for std types which implement drop, but only for memory allocation. - else if is_type_diagnostic_item(cx, ty, sym::vec_type) + else if is_type_diagnostic_item(cx, ty, sym::Vec) || is_type_lang_item(cx, ty, LangItem::OwnedBox) || is_type_diagnostic_item(cx, ty, sym::Rc) || is_type_diagnostic_item(cx, ty, sym::Arc) diff --git a/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs b/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs index 2ad3e673c57..76eaedea8a0 100644 --- a/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs +++ b/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs @@ -12,7 +12,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, recv: &'tcx E let ty = cx.typeck_results().expr_ty(recv).peel_refs(); let caller_type = if ty.is_str() { "str" - } else if is_type_diagnostic_item(cx, ty, sym::string_type) { + } else if is_type_diagnostic_item(cx, ty, sym::String) { "String" } else { return; diff --git a/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs b/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs index f5b4b6bf8ea..6fe69b8f01f 100644 --- a/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs +++ b/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs @@ -15,7 +15,7 @@ pub fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, span: Span, let inner_ty = match recv_ty.kind() { // `Option<T>` -> `T` ty::Adt(adt, subst) - if cx.tcx.is_diagnostic_item(sym::option_type, adt.did) && meets_msrv(msrv, &msrvs::OPTION_COPIED) => + if cx.tcx.is_diagnostic_item(sym::Option, adt.did) && meets_msrv(msrv, &msrvs::OPTION_COPIED) => { subst.type_at(0) }, diff --git a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs index f8ee31a00df..0ec9387f9c4 100644 --- a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs +++ b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs @@ -28,7 +28,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, method_span: Spa && { let arg_type = cx.typeck_results().expr_ty(&call_args[0]); let base_type = arg_type.peel_refs(); - *base_type.kind() == ty::Str || is_type_diagnostic_item(cx, base_type, sym::string_type) + *base_type.kind() == ty::Str || is_type_diagnostic_item(cx, base_type, sym::String) } { &call_args[0] @@ -46,7 +46,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, method_span: Spa // converted to string. fn requires_to_string(cx: &LateContext<'_>, arg: &hir::Expr<'_>) -> bool { let arg_ty = cx.typeck_results().expr_ty(arg); - if is_type_diagnostic_item(cx, arg_ty, sym::string_type) { + if is_type_diagnostic_item(cx, arg_ty, sym::String) { return false; } if let ty::Ref(_, ty, ..) = arg_ty.kind() { @@ -113,9 +113,9 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, method_span: Spa } let receiver_type = cx.typeck_results().expr_ty_adjusted(&args[0]); - let closure_args = if is_type_diagnostic_item(cx, receiver_type, sym::option_type) { + let closure_args = if is_type_diagnostic_item(cx, receiver_type, sym::Option) { "||" - } else if is_type_diagnostic_item(cx, receiver_type, sym::result_type) { + } else if is_type_diagnostic_item(cx, receiver_type, sym::Result) { "|_|" } else { return; diff --git a/src/tools/clippy/clippy_lints/src/methods/expect_used.rs b/src/tools/clippy/clippy_lints/src/methods/expect_used.rs index 63a834fdce0..55be513c5bb 100644 --- a/src/tools/clippy/clippy_lints/src/methods/expect_used.rs +++ b/src/tools/clippy/clippy_lints/src/methods/expect_used.rs @@ -10,9 +10,9 @@ use super::EXPECT_USED; pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) { let obj_ty = cx.typeck_results().expr_ty(recv).peel_refs(); - let mess = if is_type_diagnostic_item(cx, obj_ty, sym::option_type) { + let mess = if is_type_diagnostic_item(cx, obj_ty, sym::Option) { Some((EXPECT_USED, "an Option", "None")) - } else if is_type_diagnostic_item(cx, obj_ty, sym::result_type) { + } else if is_type_diagnostic_item(cx, obj_ty, sym::Result) { Some((EXPECT_USED, "a Result", "Err")) } else { None diff --git a/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs b/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs index 8829b8c5f4d..687636f8237 100644 --- a/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs +++ b/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs @@ -12,7 +12,7 @@ use super::EXTEND_WITH_DRAIN; pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, arg: &Expr<'_>) { let ty = cx.typeck_results().expr_ty(recv).peel_refs(); if_chain! { - if is_type_diagnostic_item(cx, ty, sym::vec_type); + if is_type_diagnostic_item(cx, ty, sym::Vec); //check source object if let ExprKind::MethodCall(src_method, _, [drain_vec, drain_arg], _) = &arg.kind; if src_method.ident.as_str() == "drain"; @@ -20,7 +20,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, arg: //check if actual src type is mutable for code suggestion let immutable = src_ty.is_mutable_ptr(); let src_ty = src_ty.peel_refs(); - if is_type_diagnostic_item(cx, src_ty, sym::vec_type); + if is_type_diagnostic_item(cx, src_ty, sym::Vec); //check drain range if let src_ty_range = cx.typeck_results().expr_ty(drain_arg).peel_refs(); if is_type_lang_item(cx, src_ty_range, LangItem::RangeFull); diff --git a/src/tools/clippy/clippy_lints/src/methods/filter_map.rs b/src/tools/clippy/clippy_lints/src/methods/filter_map.rs index 35fae450eeb..c96c817bb8b 100644 --- a/src/tools/clippy/clippy_lints/src/methods/filter_map.rs +++ b/src/tools/clippy/clippy_lints/src/methods/filter_map.rs @@ -61,7 +61,7 @@ fn lint_filter_some_map_unwrap( methods_span: Span, ) { let iterator = is_trait_method(cx, expr, sym::Iterator); - let option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(filter_recv), sym::option_type); + let option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(filter_recv), sym::Option); if (iterator || option) && is_option_filter_map(cx, filter_arg, map_arg) { let msg = "`filter` for `Some` followed by `unwrap`"; let help = "consider using `flatten` instead"; @@ -120,9 +120,9 @@ pub(super) fn check<'tcx>( if let PatKind::Binding(_, filter_param_id, _, None) = filter_pat.kind; if let ExprKind::MethodCall(path, _, [filter_arg], _) = filter_body.value.kind; if let Some(opt_ty) = cx.typeck_results().expr_ty(filter_arg).ty_adt_def(); - if let Some(is_result) = if cx.tcx.is_diagnostic_item(sym::option_type, opt_ty.did) { + if let Some(is_result) = if cx.tcx.is_diagnostic_item(sym::Option, opt_ty.did) { Some(false) - } else if cx.tcx.is_diagnostic_item(sym::result_type, opt_ty.did) { + } else if cx.tcx.is_diagnostic_item(sym::Result, opt_ty.did) { Some(true) } else { None diff --git a/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs b/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs index 32d40d97bf4..615bde94133 100644 --- a/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs +++ b/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs @@ -19,7 +19,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, arg _ if arg_ty.is_fn() => arg_ty.fn_sig(cx.tcx), _ => return, }; - if !is_type_diagnostic_item(cx, sig.output().skip_binder(), sym::option_type) { + if !is_type_diagnostic_item(cx, sig.output().skip_binder(), sym::Option) { return; } span_lint_and_sugg( diff --git a/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs b/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs index 66fb85deae5..18e08d6ee23 100644 --- a/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs @@ -27,13 +27,13 @@ pub(super) fn check<'tcx>( let caller_type = if derefs_to_slice(cx, recv, expr_ty).is_some() { needs_ref = get_args_str.parse::<usize>().is_ok(); "slice" - } else if is_type_diagnostic_item(cx, expr_ty, sym::vec_type) { + } else if is_type_diagnostic_item(cx, expr_ty, sym::Vec) { needs_ref = get_args_str.parse::<usize>().is_ok(); "Vec" - } else if is_type_diagnostic_item(cx, expr_ty, sym::vecdeque_type) { + } else if is_type_diagnostic_item(cx, expr_ty, sym::VecDeque) { needs_ref = get_args_str.parse::<usize>().is_ok(); "VecDeque" - } else if !is_mut && is_type_diagnostic_item(cx, expr_ty, sym::hashmap_type) { + } else if !is_mut && is_type_diagnostic_item(cx, expr_ty, sym::HashMap) { needs_ref = true; "HashMap" } else if !is_mut && is_type_diagnostic_item(cx, expr_ty, sym::BTreeMap) { diff --git a/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs b/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs index 950ec62c9fe..c0f66feb48a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs +++ b/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs @@ -55,7 +55,7 @@ fn specializes_tostring(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { return true; } - if is_type_diagnostic_item(cx, ty, sym::string_type) { + if is_type_diagnostic_item(cx, ty, sym::String) { return true; } diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs b/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs index 739f313716e..dd4ef6e4b58 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs @@ -11,7 +11,7 @@ use super::ITER_CLONED_COLLECT; pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &hir::Expr<'_>, recv: &'tcx hir::Expr<'_>) { if_chain! { - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::vec_type); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::Vec); if let Some(slice) = derefs_to_slice(cx, recv, cx.typeck_results().expr_ty(recv)); if let Some(to_replace) = expr.span.trim_start(slice.span.source_callsite()); diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_count.rs b/src/tools/clippy/clippy_lints/src/methods/iter_count.rs index b69f57f50e0..052be3d8ee7 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_count.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_count.rs @@ -13,13 +13,13 @@ pub(crate) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, recv: &'tcx E let ty = cx.typeck_results().expr_ty(recv); let caller_type = if derefs_to_slice(cx, recv, ty).is_some() { "slice" - } else if is_type_diagnostic_item(cx, ty, sym::vec_type) { + } else if is_type_diagnostic_item(cx, ty, sym::Vec) { "Vec" - } else if is_type_diagnostic_item(cx, ty, sym::vecdeque_type) { + } else if is_type_diagnostic_item(cx, ty, sym::VecDeque) { "VecDeque" - } else if is_type_diagnostic_item(cx, ty, sym::hashset_type) { + } else if is_type_diagnostic_item(cx, ty, sym::HashSet) { "HashSet" - } else if is_type_diagnostic_item(cx, ty, sym::hashmap_type) { + } else if is_type_diagnostic_item(cx, ty, sym::HashMap) { "HashMap" } else if is_type_diagnostic_item(cx, ty, sym::BTreeMap) { "BTreeMap" diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_next_slice.rs b/src/tools/clippy/clippy_lints/src/methods/iter_next_slice.rs index 6954da67e32..d053ff56756 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_next_slice.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_next_slice.rs @@ -64,6 +64,6 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, cal } fn is_vec_or_array<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) -> bool { - is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::vec_type) + is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::Vec) || matches!(&cx.typeck_results().expr_ty(expr).peel_refs().kind(), ty::Array(_, _)) } diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs b/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs index c2232239fe4..80ca4c94219 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs @@ -19,9 +19,9 @@ pub(super) fn check<'tcx>( let mut_str = if is_mut { "_mut" } else { "" }; let caller_type = if derefs_to_slice(cx, iter_recv, cx.typeck_results().expr_ty(iter_recv)).is_some() { "slice" - } else if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(iter_recv), sym::vec_type) { + } else if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(iter_recv), sym::Vec) { "Vec" - } else if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(iter_recv), sym::vecdeque_type) { + } else if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(iter_recv), sym::VecDeque) { "VecDeque" } else { iter_nth_zero::check(cx, expr, nth_recv, nth_arg); diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_split_once.rs b/src/tools/clippy/clippy_lints/src/methods/manual_split_once.rs index 55688677e1d..13eb72251bb 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_split_once.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_split_once.rs @@ -123,7 +123,7 @@ fn parse_iter_usage( return if_chain! { if match_def_path(cx, did, &paths::ITERTOOLS_NEXT_TUPLE); if let ty::Adt(adt_def, subs) = cx.typeck_results().expr_ty(e).kind(); - if cx.tcx.is_diagnostic_item(sym::option_type, adt_def.did); + if cx.tcx.is_diagnostic_item(sym::Option, adt_def.did); if let ty::Tuple(subs) = subs.type_at(0).kind(); if subs.len() == 2; then { @@ -193,7 +193,7 @@ fn parse_iter_usage( && cx .typeck_results() .type_dependent_def_id(e.hir_id) - .map_or(false, |id| is_diag_item_method(cx, id, sym::option_type)) => + .map_or(false, |id| is_diag_item_method(cx, id, sym::Option)) => { (Some(UnwrapKind::Unwrap), e.span) }, diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs b/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs index 919e2628c52..d74c910b676 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs @@ -36,14 +36,14 @@ fn parse_repeat_arg(cx: &LateContext<'_>, e: &Expr<'_>) -> Option<RepeatKind> { } } else { let ty = cx.typeck_results().expr_ty(e); - if is_type_diagnostic_item(cx, ty, sym::string_type) + if is_type_diagnostic_item(cx, ty, sym::String) || (is_type_lang_item(cx, ty, LangItem::OwnedBox) && get_ty_param(ty).map_or(false, TyS::is_str)) || (match_type(cx, ty, &paths::COW) && get_ty_param(ty).map_or(false, TyS::is_str)) { Some(RepeatKind::String) } else { let ty = ty.peel_refs(); - (ty.is_str() || is_type_diagnostic_item(cx, ty, sym::string_type)).then(|| RepeatKind::String) + (ty.is_str() || is_type_diagnostic_item(cx, ty, sym::String)).then(|| RepeatKind::String) } } } @@ -58,7 +58,7 @@ pub(super) fn check( if_chain! { if let ExprKind::Call(repeat_fn, [repeat_arg]) = take_self_arg.kind; if is_expr_path_def_path(cx, repeat_fn, &paths::ITER_REPEAT); - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(collect_expr), sym::string_type); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(collect_expr), sym::String); if let Some(collect_id) = cx.typeck_results().type_dependent_def_id(collect_expr.hir_id); if let Some(take_id) = cx.typeck_results().type_dependent_def_id(take_expr.hir_id); if let Some(iter_trait_id) = cx.tcx.get_diagnostic_item(sym::Iterator); diff --git a/src/tools/clippy/clippy_lints/src/methods/map_collect_result_unit.rs b/src/tools/clippy/clippy_lints/src/methods/map_collect_result_unit.rs index 82063ad70b5..d420f144eea 100644 --- a/src/tools/clippy/clippy_lints/src/methods/map_collect_result_unit.rs +++ b/src/tools/clippy/clippy_lints/src/methods/map_collect_result_unit.rs @@ -23,7 +23,7 @@ pub(super) fn check( if is_trait_method(cx, collect_recv, sym::Iterator); // return of collect `Result<(),_>` let collect_ret_ty = cx.typeck_results().expr_ty(expr); - if is_type_diagnostic_item(cx, collect_ret_ty, sym::result_type); + if is_type_diagnostic_item(cx, collect_ret_ty, sym::Result); if let ty::Adt(_, substs) = collect_ret_ty.kind(); if let Some(result_t) = substs.types().next(); if result_t.is_unit(); diff --git a/src/tools/clippy/clippy_lints/src/methods/map_flatten.rs b/src/tools/clippy/clippy_lints/src/methods/map_flatten.rs index 08d3a7ce92b..6782f64f2ca 100644 --- a/src/tools/clippy/clippy_lints/src/methods/map_flatten.rs +++ b/src/tools/clippy/clippy_lints/src/methods/map_flatten.rs @@ -27,7 +27,7 @@ pub(super) fn check<'tcx>( _ => map_closure_ty.fn_sig(cx.tcx), }; let map_closure_return_ty = cx.tcx.erase_late_bound_regions(map_closure_sig.output()); - is_type_diagnostic_item(cx, map_closure_return_ty, sym::option_type) + is_type_diagnostic_item(cx, map_closure_return_ty, sym::Option) }, _ => false, }; @@ -55,9 +55,9 @@ pub(super) fn check<'tcx>( // lint if caller of `.map().flatten()` is an Option or Result let caller_type = match cx.typeck_results().expr_ty(recv).kind() { ty::Adt(adt, _) => { - if cx.tcx.is_diagnostic_item(sym::option_type, adt.did) { + if cx.tcx.is_diagnostic_item(sym::Option, adt.did) { "Option" - } else if cx.tcx.is_diagnostic_item(sym::result_type, adt.did) { + } else if cx.tcx.is_diagnostic_item(sym::Result, adt.did) { "Result" } else { return; diff --git a/src/tools/clippy/clippy_lints/src/methods/map_identity.rs b/src/tools/clippy/clippy_lints/src/methods/map_identity.rs index 538a12566e3..f112b500d3d 100644 --- a/src/tools/clippy/clippy_lints/src/methods/map_identity.rs +++ b/src/tools/clippy/clippy_lints/src/methods/map_identity.rs @@ -19,8 +19,8 @@ pub(super) fn check( if_chain! { if is_trait_method(cx, expr, sym::Iterator) - || is_type_diagnostic_item(cx, caller_ty, sym::result_type) - || is_type_diagnostic_item(cx, caller_ty, sym::option_type); + || is_type_diagnostic_item(cx, caller_ty, sym::Result) + || is_type_diagnostic_item(cx, caller_ty, sym::Option); if is_expr_identity_function(cx, map_arg); if let Some(sugg_span) = expr.span.trim_start(caller.span); then { diff --git a/src/tools/clippy/clippy_lints/src/methods/map_unwrap_or.rs b/src/tools/clippy/clippy_lints/src/methods/map_unwrap_or.rs index 4d8365fcda1..9ec84e76519 100644 --- a/src/tools/clippy/clippy_lints/src/methods/map_unwrap_or.rs +++ b/src/tools/clippy/clippy_lints/src/methods/map_unwrap_or.rs @@ -22,8 +22,8 @@ pub(super) fn check<'tcx>( msrv: Option<&RustcVersion>, ) -> bool { // lint if the caller of `map()` is an `Option` - let is_option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::option_type); - let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::result_type); + let is_option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Option); + let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result); if is_result && !meets_msrv(msrv, &msrvs::RESULT_MAP_OR_ELSE) { return false; diff --git a/src/tools/clippy/clippy_lints/src/methods/ok_expect.rs b/src/tools/clippy/clippy_lints/src/methods/ok_expect.rs index d0b1b4b84be..d64a9f320d9 100644 --- a/src/tools/clippy/clippy_lints/src/methods/ok_expect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/ok_expect.rs @@ -12,7 +12,7 @@ use super::OK_EXPECT; pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) { if_chain! { // lint if the caller of `ok()` is a `Result` - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::result_type); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result); let result_type = cx.typeck_results().expr_ty(recv); if let Some(error_type) = get_error_type(cx, result_type); if has_debug_impl(error_type, cx); @@ -33,7 +33,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr /// Given a `Result<T, E>` type, return its error type (`E`). fn get_error_type<'a>(cx: &LateContext<'_>, ty: Ty<'a>) -> Option<Ty<'a>> { match ty.kind() { - ty::Adt(_, substs) if is_type_diagnostic_item(cx, ty, sym::result_type) => substs.types().nth(1), + ty::Adt(_, substs) if is_type_diagnostic_item(cx, ty, sym::Result) => substs.types().nth(1), _ => None, } } @@ -41,6 +41,6 @@ fn get_error_type<'a>(cx: &LateContext<'_>, ty: Ty<'a>) -> Option<Ty<'a>> { /// This checks whether a given type is known to implement Debug. fn has_debug_impl<'tcx>(ty: Ty<'tcx>, cx: &LateContext<'tcx>) -> bool { cx.tcx - .get_diagnostic_item(sym::debug_trait) + .get_diagnostic_item(sym::Debug) .map_or(false, |debug| implements_trait(cx, ty, debug, &[])) } diff --git a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs index 5a57135038f..d3f40d26208 100644 --- a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs +++ b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs @@ -28,7 +28,7 @@ pub(super) fn check<'tcx>( let same_mutability = |m| (is_mut && m == &hir::Mutability::Mut) || (!is_mut && m == &hir::Mutability::Not); let option_ty = cx.typeck_results().expr_ty(as_ref_recv); - if !is_type_diagnostic_item(cx, option_ty, sym::option_type) { + if !is_type_diagnostic_item(cx, option_ty, sym::Option) { return; } diff --git a/src/tools/clippy/clippy_lints/src/methods/option_map_or_none.rs b/src/tools/clippy/clippy_lints/src/methods/option_map_or_none.rs index 36a1c13d5be..e99b6b07d15 100644 --- a/src/tools/clippy/clippy_lints/src/methods/option_map_or_none.rs +++ b/src/tools/clippy/clippy_lints/src/methods/option_map_or_none.rs @@ -19,8 +19,8 @@ pub(super) fn check<'tcx>( def_arg: &'tcx hir::Expr<'_>, map_arg: &'tcx hir::Expr<'_>, ) { - let is_option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::option_type); - let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::result_type); + let is_option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Option); + let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result); // There are two variants of this `map_or` lint: // (1) using `map_or` as an adapter from `Result<T,E>` to `Option<T>` diff --git a/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs b/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs index 5bca49dec24..2faa6a69f81 100644 --- a/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs +++ b/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs @@ -25,7 +25,7 @@ pub(super) fn check<'tcx>( map_span: Span, ) { // lint if the caller of `map()` is an `Option` - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::option_type) { + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Option) { if !is_copy(cx, cx.typeck_results().expr_ty(unwrap_arg)) { // Do not lint if the `map` argument uses identifiers in the `map` // argument that are also used in the `unwrap_or` argument diff --git a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs index 30ed1d665a9..cabbb840076 100644 --- a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs +++ b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs @@ -105,7 +105,7 @@ pub(super) fn check<'tcx>( _ => (), } - if is_type_diagnostic_item(cx, ty, sym::vec_type) { + if is_type_diagnostic_item(cx, ty, sym::Vec) { return; } } diff --git a/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs b/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs index ecec6fc3bb7..0f2e58d8983 100644 --- a/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs +++ b/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs @@ -101,7 +101,7 @@ pub(super) fn check<'tcx>( else if search_method == "find" { let is_string_or_str_slice = |e| { let self_ty = cx.typeck_results().expr_ty(e).peel_refs(); - if is_type_diagnostic_item(cx, self_ty, sym::string_type) { + if is_type_diagnostic_item(cx, self_ty, sym::String) { true } else { *self_ty.kind() == ty::Str diff --git a/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs b/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs index 6e7890a3080..d06658f2a5e 100644 --- a/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs +++ b/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs @@ -12,7 +12,7 @@ use super::STRING_EXTEND_CHARS; pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>, arg: &hir::Expr<'_>) { let obj_ty = cx.typeck_results().expr_ty(recv).peel_refs(); - if !is_type_diagnostic_item(cx, obj_ty, sym::string_type) { + if !is_type_diagnostic_item(cx, obj_ty, sym::String) { return; } if let Some(arglists) = method_chain_args(arg, &["chars"]) { @@ -20,7 +20,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr let self_ty = cx.typeck_results().expr_ty(target).peel_refs(); let ref_str = if *self_ty.kind() == ty::Str { "" - } else if is_type_diagnostic_item(cx, self_ty, sym::string_type) { + } else if is_type_diagnostic_item(cx, self_ty, sym::String) { "&" } else { return; diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs index 8b66587bfd1..a9d3764d92d 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs @@ -35,7 +35,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, arg: &hir::Expr< let in_ty = cx.typeck_results().node_type(body.params[0].hir_id); match cx.typeck_results().expr_ty(&body.value).kind() { ty::Adt(adt, subst) - if cx.tcx.is_diagnostic_item(sym::option_type, adt.did) + if cx.tcx.is_diagnostic_item(sym::Option, adt.did) && TyS::same_type(in_ty, subst.type_at(0)) => { "filter" diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_lazy_eval.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_lazy_eval.rs index b7380883a5e..740af750b48 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_lazy_eval.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_lazy_eval.rs @@ -18,8 +18,8 @@ pub(super) fn check<'tcx>( arg: &'tcx hir::Expr<'_>, simplify_using: &str, ) { - let is_option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::option_type); - let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::result_type); + let is_option = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Option); + let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result); if is_option || is_result { if let hir::ExprKind::Closure(_, _, eid, _, _) = arg.kind { diff --git a/src/tools/clippy/clippy_lints/src/methods/unwrap_or_else_default.rs b/src/tools/clippy/clippy_lints/src/methods/unwrap_or_else_default.rs index 677aa80e1b7..276467b1dfd 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unwrap_or_else_default.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unwrap_or_else_default.rs @@ -19,8 +19,8 @@ pub(super) fn check<'tcx>( // ^^^^^^^^^- recv ^^^^^^^^^^^^^^^^- u_arg // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- expr let recv_ty = cx.typeck_results().expr_ty(recv); - let is_option = is_type_diagnostic_item(cx, recv_ty, sym::option_type); - let is_result = is_type_diagnostic_item(cx, recv_ty, sym::result_type); + let is_option = is_type_diagnostic_item(cx, recv_ty, sym::Option); + let is_result = is_type_diagnostic_item(cx, recv_ty, sym::Result); if_chain! { if is_option || is_result; diff --git a/src/tools/clippy/clippy_lints/src/methods/unwrap_used.rs b/src/tools/clippy/clippy_lints/src/methods/unwrap_used.rs index 7fd1948594d..44676d78c60 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unwrap_used.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unwrap_used.rs @@ -10,9 +10,9 @@ use super::UNWRAP_USED; pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) { let obj_ty = cx.typeck_results().expr_ty(recv).peel_refs(); - let mess = if is_type_diagnostic_item(cx, obj_ty, sym::option_type) { + let mess = if is_type_diagnostic_item(cx, obj_ty, sym::Option) { Some((UNWRAP_USED, "an Option", "None")) - } else if is_type_diagnostic_item(cx, obj_ty, sym::result_type) { + } else if is_type_diagnostic_item(cx, obj_ty, sym::Result) { Some((UNWRAP_USED, "a Result", "Err")) } else { None diff --git a/src/tools/clippy/clippy_lints/src/methods/utils.rs b/src/tools/clippy/clippy_lints/src/methods/utils.rs index 30d6665a920..ba2ce73a116 100644 --- a/src/tools/clippy/clippy_lints/src/methods/utils.rs +++ b/src/tools/clippy/clippy_lints/src/methods/utils.rs @@ -17,7 +17,7 @@ pub(super) fn derefs_to_slice<'tcx>( match ty.kind() { ty::Slice(_) => true, ty::Adt(def, _) if def.is_box() => may_slice(cx, ty.boxed_ty()), - ty::Adt(..) => is_type_diagnostic_item(cx, ty, sym::vec_type), + ty::Adt(..) => is_type_diagnostic_item(cx, ty, sym::Vec), ty::Array(_, size) => size.try_eval_usize(cx.tcx, cx.param_env).is_some(), ty::Ref(_, inner, _) => may_slice(cx, inner), _ => false, diff --git a/src/tools/clippy/clippy_lints/src/mut_key.rs b/src/tools/clippy/clippy_lints/src/mut_key.rs index cb17e4dbfd0..8476257f086 100644 --- a/src/tools/clippy/clippy_lints/src/mut_key.rs +++ b/src/tools/clippy/clippy_lints/src/mut_key.rs @@ -122,7 +122,7 @@ fn check_sig<'tcx>(cx: &LateContext<'tcx>, item_hir_id: hir::HirId, decl: &hir:: fn check_ty<'tcx>(cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) { let ty = ty.peel_refs(); if let Adt(def, substs) = ty.kind() { - let is_keyed_type = [sym::hashmap_type, sym::BTreeMap, sym::hashset_type, sym::BTreeSet] + let is_keyed_type = [sym::HashMap, sym::BTreeMap, sym::HashSet, sym::BTreeSet] .iter() .any(|diag_item| cx.tcx.is_diagnostic_item(*diag_item, def.did)); if is_keyed_type && is_interior_mutable_type(cx, substs.type_at(0), span) { @@ -147,11 +147,11 @@ fn is_interior_mutable_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Sp // that of their type parameters. Note: we don't include `HashSet` and `HashMap` // because they have no impl for `Hash` or `Ord`. let is_std_collection = [ - sym::option_type, - sym::result_type, + sym::Option, + sym::Result, sym::LinkedList, - sym::vec_type, - sym::vecdeque_type, + sym::Vec, + sym::VecDeque, sym::BTreeMap, sym::BTreeSet, sym::Rc, diff --git a/src/tools/clippy/clippy_lints/src/mut_mutex_lock.rs b/src/tools/clippy/clippy_lints/src/mut_mutex_lock.rs index e9dcc7b227d..b96fa4774cb 100644 --- a/src/tools/clippy/clippy_lints/src/mut_mutex_lock.rs +++ b/src/tools/clippy/clippy_lints/src/mut_mutex_lock.rs @@ -6,6 +6,7 @@ use rustc_hir::{Expr, ExprKind, Mutability}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -51,7 +52,7 @@ impl<'tcx> LateLintPass<'tcx> for MutMutexLock { if path.ident.name == sym!(lock); let ty = cx.typeck_results().expr_ty(self_arg); if let ty::Ref(_, inner_ty, Mutability::Mut) = ty.kind(); - if is_type_diagnostic_item(cx, inner_ty, sym!(mutex_type)); + if is_type_diagnostic_item(cx, inner_ty, sym::Mutex); then { span_lint_and_sugg( cx, diff --git a/src/tools/clippy/clippy_lints/src/mutex_atomic.rs b/src/tools/clippy/clippy_lints/src/mutex_atomic.rs index 436ceec6cfa..5feddcbfc61 100644 --- a/src/tools/clippy/clippy_lints/src/mutex_atomic.rs +++ b/src/tools/clippy/clippy_lints/src/mutex_atomic.rs @@ -8,6 +8,7 @@ use rustc_hir::Expr; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty}; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -74,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for Mutex { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { let ty = cx.typeck_results().expr_ty(expr); if let ty::Adt(_, subst) = ty.kind() { - if is_type_diagnostic_item(cx, ty, sym!(mutex_type)) { + if is_type_diagnostic_item(cx, ty, sym::Mutex) { let mutex_param = subst.type_at(0); if let Some(atomic_name) = get_atomic_name(mutex_param) { let msg = format!( diff --git a/src/tools/clippy/clippy_lints/src/needless_option_as_deref.rs b/src/tools/clippy/clippy_lints/src/needless_option_as_deref.rs index 5024a881d2a..fbdaaf51f74 100644 --- a/src/tools/clippy/clippy_lints/src/needless_option_as_deref.rs +++ b/src/tools/clippy/clippy_lints/src/needless_option_as_deref.rs @@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for OptionNeedlessDeref { let outer_ty = typeck.expr_ty(expr); if_chain! { - if is_type_diagnostic_item(cx,outer_ty,sym::option_type); + if is_type_diagnostic_item(cx,outer_ty,sym::Option); if let ExprKind::MethodCall(path, _, [sub_expr], _) = expr.kind; let symbol = path.ident.as_str(); if symbol=="as_deref" || symbol=="as_deref_mut"; 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 90b2aa16896..352dc6f8bec 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 @@ -206,7 +206,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { let deref_span = spans_need_deref.get(&canonical_id); if_chain! { - if is_type_diagnostic_item(cx, ty, sym::vec_type); + if is_type_diagnostic_item(cx, ty, sym::Vec); if let Some(clone_spans) = get_spans(cx, Some(body.id()), idx, &[("clone", ".to_owned()")]); if let TyKind::Path(QPath::Resolved(_, path)) = input.kind; @@ -245,7 +245,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { } } - if is_type_diagnostic_item(cx, ty, sym::string_type) { + if is_type_diagnostic_item(cx, ty, sym::String) { if let Some(clone_spans) = get_spans(cx, Some(body.id()), idx, &[("clone", ".to_string()"), ("as_str", "")]) { diag.span_suggestion( diff --git a/src/tools/clippy/clippy_lints/src/option_if_let_else.rs b/src/tools/clippy/clippy_lints/src/option_if_let_else.rs index 15f6dcae887..a62eb069989 100644 --- a/src/tools/clippy/clippy_lints/src/option_if_let_else.rs +++ b/src/tools/clippy/clippy_lints/src/option_if_let_else.rs @@ -70,7 +70,7 @@ declare_lint_pass!(OptionIfLetElse => [OPTION_IF_LET_ELSE]); fn is_result_ok(cx: &LateContext<'_>, expr: &'_ Expr<'_>) -> bool { if let ExprKind::MethodCall(path, _, &[ref receiver], _) = &expr.kind { path.ident.name.as_str() == "ok" - && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(receiver), sym::result_type) + && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(receiver), sym::Result) } else { false } diff --git a/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs b/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs index e2b6ba8e2d2..583c42b6563 100644 --- a/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs +++ b/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs @@ -47,7 +47,7 @@ impl<'tcx> LateLintPass<'tcx> for PanicInResultFn { span: Span, hir_id: hir::HirId, ) { - if !matches!(fn_kind, FnKind::Closure) && is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::result_type) { + if !matches!(fn_kind, FnKind::Closure) && is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::Result) { lint_impl_body(cx, span, body); } } diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index d696e17d656..d180d6f9227 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -258,7 +258,7 @@ fn check_fn(cx: &LateContext<'_>, decl: &FnDecl<'_>, fn_id: HirId, opt_body_id: } if let ty::Ref(_, ty, Mutability::Not) = ty.kind() { - if is_type_diagnostic_item(cx, ty, sym::vec_type) { + if is_type_diagnostic_item(cx, ty, sym::Vec) { if let Some(spans) = get_spans(cx, opt_body_id, idx, &[("clone", ".to_owned()")]) { span_lint_and_then( cx, @@ -288,7 +288,7 @@ fn check_fn(cx: &LateContext<'_>, decl: &FnDecl<'_>, fn_id: HirId, opt_body_id: }, ); } - } else if is_type_diagnostic_item(cx, ty, sym::string_type) { + } else if is_type_diagnostic_item(cx, ty, sym::String) { if let Some(spans) = get_spans(cx, opt_body_id, idx, &[("clone", ".to_string()"), ("as_str", "")]) { span_lint_and_then( cx, diff --git a/src/tools/clippy/clippy_lints/src/question_mark.rs b/src/tools/clippy/clippy_lints/src/question_mark.rs index e79cd7ed4ec..aa6d254e7a5 100644 --- a/src/tools/clippy/clippy_lints/src/question_mark.rs +++ b/src/tools/clippy/clippy_lints/src/question_mark.rs @@ -143,7 +143,7 @@ impl QuestionMark { fn is_option(cx: &LateContext<'_>, expression: &Expr<'_>) -> bool { let expr_ty = cx.typeck_results().expr_ty(expression); - is_type_diagnostic_item(cx, expr_ty, sym::option_type) + is_type_diagnostic_item(cx, expr_ty, sym::Option) } fn expression_returns_none(cx: &LateContext<'_>, expression: &Expr<'_>) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/redundant_clone.rs b/src/tools/clippy/clippy_lints/src/redundant_clone.rs index 7041e4f980e..f7711b6fe94 100644 --- a/src/tools/clippy/clippy_lints/src/redundant_clone.rs +++ b/src/tools/clippy/clippy_lints/src/redundant_clone.rs @@ -123,7 +123,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClone { let from_borrow = match_def_path(cx, fn_def_id, &paths::CLONE_TRAIT_METHOD) || match_def_path(cx, fn_def_id, &paths::TO_OWNED_METHOD) || (match_def_path(cx, fn_def_id, &paths::TO_STRING_METHOD) - && is_type_diagnostic_item(cx, arg_ty, sym::string_type)); + && is_type_diagnostic_item(cx, arg_ty, sym::String)); let from_deref = !from_borrow && (match_def_path(cx, fn_def_id, &paths::PATH_TO_PATH_BUF) diff --git a/src/tools/clippy/clippy_lints/src/ref_option_ref.rs b/src/tools/clippy/clippy_lints/src/ref_option_ref.rs index 65ab6cac442..d543832e314 100644 --- a/src/tools/clippy/clippy_lints/src/ref_option_ref.rs +++ b/src/tools/clippy/clippy_lints/src/ref_option_ref.rs @@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for RefOptionRef { if let Some(res) = last.res; if let Some(def_id) = res.opt_def_id(); - if cx.tcx.is_diagnostic_item(sym::option_type, def_id); + if cx.tcx.is_diagnostic_item(sym::Option, def_id); if let Some(params) = last_path_segment(qpath).args ; if !params.parenthesized; if let Some(inner_ty) = params.args.iter().find_map(|arg| match arg { diff --git a/src/tools/clippy/clippy_lints/src/repeat_once.rs b/src/tools/clippy/clippy_lints/src/repeat_once.rs index 54b9c8b3275..5fd0d152763 100644 --- a/src/tools/clippy/clippy_lints/src/repeat_once.rs +++ b/src/tools/clippy/clippy_lints/src/repeat_once.rs @@ -72,7 +72,7 @@ impl<'tcx> LateLintPass<'tcx> for RepeatOnce { format!("{}.to_vec()", snippet(cx, receiver.span, r#""...""#)), Applicability::MachineApplicable, ); - } else if is_type_diagnostic_item(cx, ty, sym::string_type) { + } else if is_type_diagnostic_item(cx, ty, sym::String) { span_lint_and_sugg( cx, REPEAT_ONCE, diff --git a/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs b/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs index 3d039e13065..3608fe1472d 100644 --- a/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs +++ b/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs @@ -120,7 +120,7 @@ impl SlowVectorInit { if let ExprKind::Call(func, [arg]) = expr.kind; if let ExprKind::Path(QPath::TypeRelative(ty, name)) = func.kind; if name.ident.as_str() == "with_capacity"; - if is_type_diagnostic_item(cx, cx.typeck_results().node_type(ty.hir_id), sym::vec_type); + if is_type_diagnostic_item(cx, cx.typeck_results().node_type(ty.hir_id), sym::Vec); then { Some(arg) } else { diff --git a/src/tools/clippy/clippy_lints/src/strings.rs b/src/tools/clippy/clippy_lints/src/strings.rs index 13d8f954c44..35b6bde5696 100644 --- a/src/tools/clippy/clippy_lints/src/strings.rs +++ b/src/tools/clippy/clippy_lints/src/strings.rs @@ -157,7 +157,7 @@ impl<'tcx> LateLintPass<'tcx> for StringAdd { } fn is_string(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { - is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(e).peel_refs(), sym::string_type) + is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(e).peel_refs(), sym::String) } fn is_add(cx: &LateContext<'_>, src: &Expr<'_>, target: &Expr<'_>) -> bool { @@ -397,7 +397,7 @@ impl LateLintPass<'_> for StringToString { if let ExprKind::MethodCall(path, _, [self_arg, ..], _) = &expr.kind; if path.ident.name == sym!(to_string); let ty = cx.typeck_results().expr_ty(self_arg); - if is_type_diagnostic_item(cx, ty, sym::string_type); + if is_type_diagnostic_item(cx, ty, sym::String); then { span_lint_and_help( cx, diff --git a/src/tools/clippy/clippy_lints/src/swap.rs b/src/tools/clippy/clippy_lints/src/swap.rs index f126908e84b..ef26de5b6b9 100644 --- a/src/tools/clippy/clippy_lints/src/swap.rs +++ b/src/tools/clippy/clippy_lints/src/swap.rs @@ -86,8 +86,8 @@ fn generate_swap_warning(cx: &LateContext<'_>, e1: &Expr<'_>, e2: &Expr<'_>, spa if matches!(ty.kind(), ty::Slice(_)) || matches!(ty.kind(), ty::Array(_, _)) - || is_type_diagnostic_item(cx, ty, sym::vec_type) - || is_type_diagnostic_item(cx, ty, sym::vecdeque_type) + || is_type_diagnostic_item(cx, ty, sym::Vec) + || is_type_diagnostic_item(cx, ty, sym::VecDeque) { let slice = Sugg::hir_with_applicability(cx, lhs1, "<slice>", &mut applicability); span_lint_and_sugg( @@ -231,7 +231,7 @@ fn check_xor_swap(cx: &LateContext<'_>, block: &Block<'_>) { } } -/// Returns the lhs and rhs of an xor assignment statement. +/// Returns the lhs and rhs of an xor assignment statement. fn extract_sides_of_xor_assign<'a, 'hir>(stmt: &'a Stmt<'hir>) -> Option<(&'a Expr<'hir>, &'a Expr<'hir>)> { if let StmtKind::Semi(expr) = stmt.kind { if let ExprKind::AssignOp( diff --git a/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs b/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs index 868c41aab43..2ce8d4031d7 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs @@ -9,13 +9,13 @@ use rustc_span::symbol::{sym, Symbol}; // used to check for UNSOUND_COLLECTION_TRANSMUTE static COLLECTIONS: &[Symbol] = &[ - sym::vec_type, - sym::vecdeque_type, + sym::Vec, + sym::VecDeque, sym::BinaryHeap, sym::BTreeSet, sym::BTreeMap, - sym::hashset_type, - sym::hashmap_type, + sym::HashSet, + sym::HashMap, ]; /// Checks for `unsound_collection_transmute` lint. diff --git a/src/tools/clippy/clippy_lints/src/try_err.rs b/src/tools/clippy/clippy_lints/src/try_err.rs index 1196271d5dd..e9ec120a7f9 100644 --- a/src/tools/clippy/clippy_lints/src/try_err.rs +++ b/src/tools/clippy/clippy_lints/src/try_err.rs @@ -143,7 +143,7 @@ fn find_return_type<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx ExprKind<'_>) -> O fn result_error_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<Ty<'tcx>> { if_chain! { if let ty::Adt(_, subst) = ty.kind(); - if is_type_diagnostic_item(cx, ty, sym::result_type); + if is_type_diagnostic_item(cx, ty, sym::Result); then { Some(subst.type_at(1)) } else { @@ -160,7 +160,7 @@ fn poll_result_error_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option< let ready_ty = subst.type_at(0); if let ty::Adt(ready_def, ready_subst) = ready_ty.kind(); - if cx.tcx.is_diagnostic_item(sym::result_type, ready_def.did); + if cx.tcx.is_diagnostic_item(sym::Result, ready_def.did); then { Some(ready_subst.type_at(1)) } else { @@ -177,11 +177,11 @@ fn poll_option_result_error_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> let ready_ty = subst.type_at(0); if let ty::Adt(ready_def, ready_subst) = ready_ty.kind(); - if cx.tcx.is_diagnostic_item(sym::option_type, ready_def.did); + if cx.tcx.is_diagnostic_item(sym::Option, ready_def.did); let some_ty = ready_subst.type_at(0); if let ty::Adt(some_def, some_subst) = some_ty.kind(); - if cx.tcx.is_diagnostic_item(sym::result_type, some_def.did); + if cx.tcx.is_diagnostic_item(sym::Result, some_def.did); then { Some(some_subst.type_at(1)) } else { diff --git a/src/tools/clippy/clippy_lints/src/types/box_collection.rs b/src/tools/clippy/clippy_lints/src/types/box_collection.rs index b28da29c91c..538c10a5b20 100644 --- a/src/tools/clippy/clippy_lints/src/types/box_collection.rs +++ b/src/tools/clippy/clippy_lints/src/types/box_collection.rs @@ -38,11 +38,11 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ } fn get_std_collection(cx: &LateContext<'_>, qpath: &QPath<'_>) -> Option<&'static str> { - if is_ty_param_diagnostic_item(cx, qpath, sym::vec_type).is_some() { + if is_ty_param_diagnostic_item(cx, qpath, sym::Vec).is_some() { Some("Vec") - } else if is_ty_param_diagnostic_item(cx, qpath, sym::string_type).is_some() { + } else if is_ty_param_diagnostic_item(cx, qpath, sym::String).is_some() { Some("String") - } else if is_ty_param_diagnostic_item(cx, qpath, sym::hashmap_type).is_some() { + } else if is_ty_param_diagnostic_item(cx, qpath, sym::HashMap).is_some() { Some("HashMap") } else { None diff --git a/src/tools/clippy/clippy_lints/src/types/option_option.rs b/src/tools/clippy/clippy_lints/src/types/option_option.rs index b2692c48076..4f50284e941 100644 --- a/src/tools/clippy/clippy_lints/src/types/option_option.rs +++ b/src/tools/clippy/clippy_lints/src/types/option_option.rs @@ -7,8 +7,8 @@ use rustc_span::symbol::sym; use super::OPTION_OPTION; pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_>, def_id: DefId) -> bool { - if cx.tcx.is_diagnostic_item(sym::option_type, def_id) - && is_ty_param_diagnostic_item(cx, qpath, sym::option_type).is_some() + if cx.tcx.is_diagnostic_item(sym::Option, def_id) + && is_ty_param_diagnostic_item(cx, qpath, sym::Option).is_some() { span_lint( cx, diff --git a/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs b/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs index ef629a35d10..31c4abdfc95 100644 --- a/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs +++ b/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs @@ -20,7 +20,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ format!("Rc<{}>", alternate), Applicability::MachineApplicable, ); - } else if let Some(ty) = is_ty_param_diagnostic_item(cx, qpath, sym::vec_type) { + } else if let Some(ty) = is_ty_param_diagnostic_item(cx, qpath, sym::Vec) { let qpath = match &ty.kind { TyKind::Path(qpath) => qpath, _ => return false, @@ -55,7 +55,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ format!("Arc<{}>", alternate), Applicability::MachineApplicable, ); - } else if let Some(ty) = is_ty_param_diagnostic_item(cx, qpath, sym::vec_type) { + } else if let Some(ty) = is_ty_param_diagnostic_item(cx, qpath, sym::Vec) { let qpath = match &ty.kind { TyKind::Path(qpath) => qpath, _ => return false, @@ -85,7 +85,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ } fn match_buffer_type(cx: &LateContext<'_>, qpath: &QPath<'_>) -> Option<&'static str> { - if is_ty_param_diagnostic_item(cx, qpath, sym::string_type).is_some() { + if is_ty_param_diagnostic_item(cx, qpath, sym::String).is_some() { Some("str") } else if is_ty_param_diagnostic_item(cx, qpath, sym::OsString).is_some() { Some("std::ffi::OsStr") diff --git a/src/tools/clippy/clippy_lints/src/types/rc_mutex.rs b/src/tools/clippy/clippy_lints/src/types/rc_mutex.rs index 12db7afb81c..d54608a07bb 100644 --- a/src/tools/clippy/clippy_lints/src/types/rc_mutex.rs +++ b/src/tools/clippy/clippy_lints/src/types/rc_mutex.rs @@ -10,7 +10,7 @@ use super::RC_MUTEX; pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_>, def_id: DefId) -> bool { if_chain! { if cx.tcx.is_diagnostic_item(sym::Rc, def_id) ; - if let Some(_) = is_ty_param_diagnostic_item(cx, qpath, sym!(mutex_type)) ; + if let Some(_) = is_ty_param_diagnostic_item(cx, qpath, sym::Mutex) ; then { span_lint_and_help( cx, 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 e7e2016d8f2..c632f822544 100644 --- a/src/tools/clippy/clippy_lints/src/types/vec_box.rs +++ b/src/tools/clippy/clippy_lints/src/types/vec_box.rs @@ -19,7 +19,7 @@ pub(super) fn check( def_id: DefId, box_size_threshold: u64, ) -> bool { - if cx.tcx.is_diagnostic_item(sym::vec_type, def_id) { + if cx.tcx.is_diagnostic_item(sym::Vec, def_id) { if_chain! { // Get the _ part of Vec<_> if let Some(last) = last_path_segment(qpath).args; diff --git a/src/tools/clippy/clippy_lints/src/unnecessary_sort_by.rs b/src/tools/clippy/clippy_lints/src/unnecessary_sort_by.rs index 61670fe124e..dd74bf367f3 100644 --- a/src/tools/clippy/clippy_lints/src/unnecessary_sort_by.rs +++ b/src/tools/clippy/clippy_lints/src/unnecessary_sort_by.rs @@ -168,7 +168,7 @@ fn detect_lint(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<LintTrigger> { if let name = name_ident.ident.name.to_ident_string(); if name == "sort_by" || name == "sort_unstable_by"; if let [vec, Expr { kind: ExprKind::Closure(_, _, closure_body_id, _, _), .. }] = args; - if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(vec), sym::vec_type); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(vec), sym::Vec); if let closure_body = cx.tcx.hir().body(*closure_body_id); if let &[ Param { pat: Pat { kind: PatKind::Binding(_, _, left_ident, _), .. }, ..}, diff --git a/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs b/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs index 5ca861a14bf..c940cf077d1 100644 --- a/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs +++ b/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs @@ -101,9 +101,9 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryWraps { // Get the wrapper and inner types, if can't, abort. let (return_type_label, lang_item, inner_type) = if let ty::Adt(adt_def, subst) = return_ty(cx, hir_id).kind() { - if cx.tcx.is_diagnostic_item(sym::option_type, adt_def.did) { + if cx.tcx.is_diagnostic_item(sym::Option, adt_def.did) { ("Option", OptionSome, subst.type_at(0)) - } else if cx.tcx.is_diagnostic_item(sym::result_type, adt_def.did) { + } else if cx.tcx.is_diagnostic_item(sym::Result, adt_def.did) { ("Result", ResultOk, subst.type_at(0)) } else { return; diff --git a/src/tools/clippy/clippy_lints/src/unwrap.rs b/src/tools/clippy/clippy_lints/src/unwrap.rs index b2ab300c2e9..ebaa9dcbbf8 100644 --- a/src/tools/clippy/clippy_lints/src/unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/unwrap.rs @@ -132,11 +132,11 @@ fn collect_unwrap_info<'tcx>( is_entire_condition: bool, ) -> Vec<UnwrapInfo<'tcx>> { fn is_relevant_option_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: &str) -> bool { - is_type_diagnostic_item(cx, ty, sym::option_type) && ["is_some", "is_none"].contains(&method_name) + is_type_diagnostic_item(cx, ty, sym::Option) && ["is_some", "is_none"].contains(&method_name) } fn is_relevant_result_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: &str) -> bool { - is_type_diagnostic_item(cx, ty, sym::result_type) && ["is_ok", "is_err"].contains(&method_name) + is_type_diagnostic_item(cx, ty, sym::Result) && ["is_ok", "is_err"].contains(&method_name) } if let ExprKind::Binary(op, left, right) = &expr.kind { @@ -165,7 +165,7 @@ fn collect_unwrap_info<'tcx>( _ => unreachable!(), }; let safe_to_unwrap = unwrappable != invert; - let kind = if is_type_diagnostic_item(cx, ty, sym::option_type) { + let kind = if is_type_diagnostic_item(cx, ty, sym::Option) { UnwrappableKind::Option } else { UnwrappableKind::Result diff --git a/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs b/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs index 6eadd1fc1c9..a4680ae137b 100644 --- a/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs +++ b/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs @@ -64,8 +64,8 @@ impl<'tcx> LateLintPass<'tcx> for UnwrapInResult { // first check if it's a method or function if let hir::ImplItemKind::Fn(ref _signature, _) = impl_item.kind; // checking if its return type is `result` or `option` - if is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::result_type) - || is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::option_type); + if is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::Result) + || is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::Option); then { lint_impl_body(cx, impl_item.span, impl_item); } @@ -86,8 +86,8 @@ impl<'a, 'tcx> Visitor<'tcx> for FindExpectUnwrap<'a, 'tcx> { // check for `expect` if let Some(arglists) = method_chain_args(expr, &["expect"]) { let reciever_ty = self.typeck_results.expr_ty(&arglists[0][0]).peel_refs(); - if is_type_diagnostic_item(self.lcx, reciever_ty, sym::option_type) - || is_type_diagnostic_item(self.lcx, reciever_ty, sym::result_type) + if is_type_diagnostic_item(self.lcx, reciever_ty, sym::Option) + || is_type_diagnostic_item(self.lcx, reciever_ty, sym::Result) { self.result.push(expr.span); } @@ -96,8 +96,8 @@ impl<'a, 'tcx> Visitor<'tcx> for FindExpectUnwrap<'a, 'tcx> { // check for `unwrap` if let Some(arglists) = method_chain_args(expr, &["unwrap"]) { let reciever_ty = self.typeck_results.expr_ty(&arglists[0][0]).peel_refs(); - if is_type_diagnostic_item(self.lcx, reciever_ty, sym::option_type) - || is_type_diagnostic_item(self.lcx, reciever_ty, sym::result_type) + if is_type_diagnostic_item(self.lcx, reciever_ty, sym::Option) + || is_type_diagnostic_item(self.lcx, reciever_ty, sym::Result) { self.result.push(expr.span); } diff --git a/src/tools/clippy/clippy_lints/src/useless_conversion.rs b/src/tools/clippy/clippy_lints/src/useless_conversion.rs index 2861b432919..88f11542072 100644 --- a/src/tools/clippy/clippy_lints/src/useless_conversion.rs +++ b/src/tools/clippy/clippy_lints/src/useless_conversion.rs @@ -63,7 +63,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { }, ExprKind::MethodCall(name, .., args, _) => { - if is_trait_method(cx, e, sym::into_trait) && &*name.ident.as_str() == "into" { + if is_trait_method(cx, e, sym::Into) && &*name.ident.as_str() == "into" { let a = cx.typeck_results().expr_ty(e); let b = cx.typeck_results().expr_ty(&args[0]); if same_type_and_consts(a, b) { @@ -103,10 +103,10 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { } } if_chain! { - if is_trait_method(cx, e, sym::try_into_trait) && name.ident.name == sym::try_into; + if is_trait_method(cx, e, sym::TryInto) && name.ident.name == sym::try_into; let a = cx.typeck_results().expr_ty(e); let b = cx.typeck_results().expr_ty(&args[0]); - if is_type_diagnostic_item(cx, a, sym::result_type); + if is_type_diagnostic_item(cx, a, sym::Result); if let ty::Adt(_, substs) = a.kind(); if let Some(a_type) = substs.types().next(); if same_type_and_consts(a_type, b); @@ -134,7 +134,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { let b = cx.typeck_results().expr_ty(&args[0]); if_chain! { if match_def_path(cx, def_id, &paths::TRY_FROM); - if is_type_diagnostic_item(cx, a, sym::result_type); + if is_type_diagnostic_item(cx, a, sym::Result); if let ty::Adt(_, substs) = a.kind(); if let Some(a_type) = substs.types().next(); if same_type_and_consts(a_type, b); diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs index 3e2a4e9748d..59c40050522 100644 --- a/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs @@ -242,7 +242,7 @@ declare_clippy_lint! { /// /// Good: /// ```rust,ignore - /// utils::is_type_diagnostic_item(cx, ty, sym::vec_type) + /// utils::is_type_diagnostic_item(cx, ty, sym::Vec) /// ``` pub MATCH_TYPE_ON_DIAGNOSTIC_ITEM, internal, diff --git a/src/tools/clippy/clippy_lints/src/vec_init_then_push.rs b/src/tools/clippy/clippy_lints/src/vec_init_then_push.rs index 0413c02b230..d8e241d72af 100644 --- a/src/tools/clippy/clippy_lints/src/vec_init_then_push.rs +++ b/src/tools/clippy/clippy_lints/src/vec_init_then_push.rs @@ -157,7 +157,7 @@ fn get_vec_init_kind<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Op if let ExprKind::Call(func, args) = expr.kind { match func.kind { ExprKind::Path(QPath::TypeRelative(ty, name)) - if is_type_diagnostic_item(cx, cx.typeck_results().node_type(ty.hir_id), sym::vec_type) => + if is_type_diagnostic_item(cx, cx.typeck_results().node_type(ty.hir_id), sym::Vec) => { if name.ident.name == sym::new { return Some(VecInitKind::New); @@ -177,7 +177,7 @@ fn get_vec_init_kind<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Op } ExprKind::Path(QPath::Resolved(_, path)) if match_def_path(cx, path.res.opt_def_id()?, &paths::DEFAULT_TRAIT_METHOD) - && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::vec_type) => + && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::Vec) => { return Some(VecInitKind::New); } diff --git a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs index 8e1cd655b61..aa6b2614bbc 100644 --- a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs +++ b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs @@ -49,7 +49,7 @@ impl LateLintPass<'_> for ZeroSizedMapValues { if !hir_ty.span.from_expansion(); if !in_trait_impl(cx, hir_ty.hir_id); let ty = ty_from_hir_ty(cx, hir_ty); - if is_type_diagnostic_item(cx, ty, sym::hashmap_type) || is_type_diagnostic_item(cx, ty, sym::BTreeMap); + if is_type_diagnostic_item(cx, ty, sym::HashMap) || is_type_diagnostic_item(cx, ty, sym::BTreeMap); if let Adt(_, substs) = ty.kind(); let ty = substs.type_at(1); // Fixes https://github.com/rust-lang/rust-clippy/issues/7447 because of diff --git a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs index 9650294fc7b..1ea7ccfb752 100644 --- a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs +++ b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs @@ -101,7 +101,7 @@ fn identify_some_potentially_expensive_patterns<'tcx>(cx: &LateContext<'tcx>, ex ExprKind::Call(..) => !is_ctor_or_promotable_const_function(self.cx, expr), ExprKind::Index(obj, _) => { let ty = self.cx.typeck_results().expr_ty(obj); - is_type_diagnostic_item(self.cx, ty, sym::hashmap_type) + is_type_diagnostic_item(self.cx, ty, sym::HashMap) || is_type_diagnostic_item(self.cx, ty, sym::BTreeMap) }, ExprKind::MethodCall(..) => true, diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 03f77f36b46..00123fdba24 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -647,13 +647,13 @@ pub fn can_mut_borrow_both(cx: &LateContext<'_>, e1: &Expr<'_>, e2: &Expr<'_>) - /// constructor from the std library fn is_default_equivalent_ctor(cx: &LateContext<'_>, def_id: DefId, path: &QPath<'_>) -> bool { let std_types_symbols = &[ - sym::string_type, - sym::vec_type, - sym::vecdeque_type, + sym::String, + sym::Vec, + sym::VecDeque, sym::LinkedList, - sym::hashmap_type, + sym::HashMap, sym::BTreeMap, - sym::hashset_type, + sym::HashSet, sym::BTreeSet, sym::BinaryHeap, ]; diff --git a/src/tools/clippy/clippy_utils/src/paths.rs b/src/tools/clippy/clippy_utils/src/paths.rs index 7a8208c12c0..5e0182ec1b8 100644 --- a/src/tools/clippy/clippy_utils/src/paths.rs +++ b/src/tools/clippy/clippy_utils/src/paths.rs @@ -88,7 +88,7 @@ pub const MEM_SIZE_OF_VAL: [&str; 3] = ["core", "mem", "size_of_val"]; pub const MUTEX_GUARD: [&str; 4] = ["std", "sync", "mutex", "MutexGuard"]; pub const OPEN_OPTIONS: [&str; 3] = ["std", "fs", "OpenOptions"]; pub const OPS_MODULE: [&str; 2] = ["core", "ops"]; -/// Preferably use the diagnostic item `sym::option_type` where possible +/// Preferably use the diagnostic item `sym::Option` where possible pub const OPTION: [&str; 3] = ["core", "option", "Option"]; pub const OPTION_NONE: [&str; 4] = ["core", "option", "Option", "None"]; pub const OPTION_SOME: [&str; 4] = ["core", "option", "Option", "Some"]; @@ -135,7 +135,7 @@ pub const REGEX_BYTES_NEW: [&str; 4] = ["regex", "re_bytes", "Regex", "new"]; pub const REGEX_BYTES_SET_NEW: [&str; 5] = ["regex", "re_set", "bytes", "RegexSet", "new"]; pub const REGEX_NEW: [&str; 4] = ["regex", "re_unicode", "Regex", "new"]; pub const REGEX_SET_NEW: [&str; 5] = ["regex", "re_set", "unicode", "RegexSet", "new"]; -/// Preferably use the diagnostic item `sym::result_type` where possible +/// Preferably use the diagnostic item `sym::Result` where possible pub const RESULT: [&str; 3] = ["core", "result", "Result"]; pub const RESULT_ERR: [&str; 4] = ["core", "result", "Result", "Err"]; pub const RESULT_OK: [&str; 4] = ["core", "result", "Result", "Ok"]; diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index d6f9ebe89bc..96cb8a4dae4 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -77,16 +77,16 @@ pub fn has_iter_method(cx: &LateContext<'_>, probably_ref_ty: Ty<'_>) -> Option< // exists and has the desired signature. Unfortunately FnCtxt is not exported // so we can't use its `lookup_method` method. let into_iter_collections: &[Symbol] = &[ - sym::vec_type, - sym::option_type, - sym::result_type, + sym::Vec, + sym::Option, + sym::Result, sym::BTreeMap, sym::BTreeSet, - sym::vecdeque_type, + sym::VecDeque, sym::LinkedList, sym::BinaryHeap, - sym::hashset_type, - sym::hashmap_type, + sym::HashSet, + sym::HashMap, sym::PathBuf, sym::Path, sym::Receiver, diff --git a/src/tools/clippy/tests/ui-internal/match_type_on_diag_item.stderr b/src/tools/clippy/tests/ui-internal/match_type_on_diag_item.stderr index f5d92fc615c..bf1d67e6054 100644 --- a/src/tools/clippy/tests/ui-internal/match_type_on_diag_item.stderr +++ b/src/tools/clippy/tests/ui-internal/match_type_on_diag_item.stderr @@ -2,7 +2,7 @@ error: usage of `clippy_utils::ty::match_type()` on a type diagnostic item --> $DIR/match_type_on_diag_item.rs:30:17 | LL | let _ = match_type(cx, ty, &OPTION); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `clippy_utils::ty::is_type_diagnostic_item(cx, ty, sym::option_type)` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `clippy_utils::ty::is_type_diagnostic_item(cx, ty, sym::Option)` | note: the lint level is defined here --> $DIR/match_type_on_diag_item.rs:1:9 @@ -15,7 +15,7 @@ error: usage of `clippy_utils::ty::match_type()` on a type diagnostic item --> $DIR/match_type_on_diag_item.rs:31:17 | LL | let _ = match_type(cx, ty, &["core", "result", "Result"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `clippy_utils::ty::is_type_diagnostic_item(cx, ty, sym::result_type)` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `clippy_utils::ty::is_type_diagnostic_item(cx, ty, sym::Result)` error: usage of `clippy_utils::ty::match_type()` on a type diagnostic item --> $DIR/match_type_on_diag_item.rs:34:17 diff --git a/src/tools/clippy/tests/ui/crashes/issues_loop_mut_cond.rs b/src/tools/clippy/tests/ui/crashes/issues_loop_mut_cond.rs index 553c840f9b0..bb238c81ebc 100644 --- a/src/tools/clippy/tests/ui/crashes/issues_loop_mut_cond.rs +++ b/src/tools/clippy/tests/ui/crashes/issues_loop_mut_cond.rs @@ -1,4 +1,3 @@ -#![allow(clippy::blocks_in_if_conditions)] #![allow(dead_code)] /// Issue: https://github.com/rust-lang/rust-clippy/issues/2596 diff --git a/src/tools/clippy/tests/ui/infinite_loop.rs b/src/tools/clippy/tests/ui/infinite_loop.rs index e86bd7bcf4f..38e64b9ac0a 100644 --- a/src/tools/clippy/tests/ui/infinite_loop.rs +++ b/src/tools/clippy/tests/ui/infinite_loop.rs @@ -1,5 +1,3 @@ -#![allow(clippy::blocks_in_if_conditions)] - fn fn_val(i: i32) -> i32 { unimplemented!() } diff --git a/src/tools/clippy/tests/ui/infinite_loop.stderr b/src/tools/clippy/tests/ui/infinite_loop.stderr index 69309b0da87..4ec7d900ade 100644 --- a/src/tools/clippy/tests/ui/infinite_loop.stderr +++ b/src/tools/clippy/tests/ui/infinite_loop.stderr @@ -1,5 +1,5 @@ error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:22:11 + --> $DIR/infinite_loop.rs:20:11 | LL | while y < 10 { | ^^^^^^ @@ -8,7 +8,7 @@ LL | while y < 10 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:27:11 + --> $DIR/infinite_loop.rs:25:11 | LL | while y < 10 && x < 3 { | ^^^^^^^^^^^^^^^ @@ -16,7 +16,7 @@ LL | while y < 10 && x < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:34:11 + --> $DIR/infinite_loop.rs:32:11 | LL | while !cond { | ^^^^^ @@ -24,7 +24,7 @@ LL | while !cond { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:78:11 + --> $DIR/infinite_loop.rs:76:11 | LL | while i < 3 { | ^^^^^ @@ -32,7 +32,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:83:11 + --> $DIR/infinite_loop.rs:81:11 | LL | while i < 3 && j > 0 { | ^^^^^^^^^^^^^^ @@ -40,7 +40,7 @@ LL | while i < 3 && j > 0 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:87:11 + --> $DIR/infinite_loop.rs:85:11 | LL | while i < 3 { | ^^^^^ @@ -48,7 +48,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:102:11 + --> $DIR/infinite_loop.rs:100:11 | LL | while i < 3 { | ^^^^^ @@ -56,7 +56,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:107:11 + --> $DIR/infinite_loop.rs:105:11 | LL | while i < 3 { | ^^^^^ @@ -64,7 +64,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:173:15 + --> $DIR/infinite_loop.rs:171:15 | LL | while self.count < n { | ^^^^^^^^^^^^^^ @@ -72,7 +72,7 @@ LL | while self.count < n { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:181:11 + --> $DIR/infinite_loop.rs:179:11 | LL | while y < 10 { | ^^^^^^ @@ -82,7 +82,7 @@ LL | while y < 10 { = help: rewrite it as `if cond { loop { } }` error: variables in the condition are not mutated in the loop body - --> $DIR/infinite_loop.rs:188:11 + --> $DIR/infinite_loop.rs:186:11 | LL | while y < 10 { | ^^^^^^ |