diff options
Diffstat (limited to 'compiler')
122 files changed, 1657 insertions, 1405 deletions
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 1efe83cacea..cad2a21d1a4 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -35,10 +35,10 @@ impl ItemLowerer<'_, '_, '_> { impl<'a> Visitor<'a> for ItemLowerer<'a, '_, '_> { fn visit_mod(&mut self, m: &'a Mod, _s: Span, _attrs: &[Attribute], n: NodeId) { - let hir_id = self.lctx.lower_node_id(n); + let def_id = self.lctx.lower_node_id(n).expect_owner(); self.lctx.modules.insert( - hir_id, + def_id, hir::ModuleItems { items: BTreeSet::new(), trait_items: BTreeSet::new(), @@ -48,7 +48,7 @@ impl<'a> Visitor<'a> for ItemLowerer<'a, '_, '_> { ); let old = self.lctx.current_module; - self.lctx.current_module = hir_id; + self.lctx.current_module = def_id; visit::walk_mod(self, m); self.lctx.current_module = old; } @@ -58,8 +58,8 @@ impl<'a> Visitor<'a> for ItemLowerer<'a, '_, '_> { self.lctx.with_hir_id_owner(item.id, |lctx| { lctx.without_in_scope_lifetime_defs(|lctx| { if let Some(hir_item) = lctx.lower_item(item) { - item_hir_id = Some(hir_item.hir_id); - lctx.insert_item(hir_item); + let id = lctx.insert_item(hir_item); + item_hir_id = Some(id); } }) }); @@ -92,13 +92,13 @@ impl<'a> Visitor<'a> for ItemLowerer<'a, '_, '_> { self.lctx.with_hir_id_owner(item.id, |lctx| match ctxt { AssocCtxt::Trait => { let hir_item = lctx.lower_trait_item(item); - let id = hir::TraitItemId { hir_id: hir_item.hir_id }; + let id = hir_item.trait_item_id(); lctx.trait_items.insert(id, hir_item); lctx.modules.get_mut(&lctx.current_module).unwrap().trait_items.insert(id); } AssocCtxt::Impl => { let hir_item = lctx.lower_impl_item(item); - let id = hir::ImplItemId { hir_id: hir_item.hir_id }; + let id = hir_item.impl_item_id(); lctx.impl_items.insert(id, hir_item); lctx.modules.get_mut(&lctx.current_module).unwrap().impl_items.insert(id); } @@ -111,7 +111,7 @@ impl<'a> Visitor<'a> for ItemLowerer<'a, '_, '_> { self.lctx.allocate_hir_id_counter(item.id); self.lctx.with_hir_id_owner(item.id, |lctx| { let hir_item = lctx.lower_foreign_item(item); - let id = hir::ForeignItemId { hir_id: hir_item.hir_id }; + let id = hir_item.foreign_item_id(); lctx.foreign_items.insert(id, hir_item); lctx.modules.get_mut(&lctx.current_module).unwrap().foreign_items.insert(id); }); @@ -128,14 +128,14 @@ impl<'hir> LoweringContext<'_, 'hir> { // only used when lowering a child item of a trait or impl. fn with_parent_item_lifetime_defs<T>( &mut self, - parent_hir_id: hir::HirId, + parent_hir_id: hir::ItemId, f: impl FnOnce(&mut LoweringContext<'_, '_>) -> T, ) -> T { let old_len = self.in_scope_lifetimes.len(); let parent_generics = match self.items.get(&parent_hir_id).unwrap().kind { hir::ItemKind::Impl(hir::Impl { ref generics, .. }) - | hir::ItemKind::Trait(_, _, ref generics, ..) => &generics.params[..], + | hir::ItemKind::Trait(_, _, ref generics, ..) => generics.params, _ => &[], }; let lt_def_names = parent_generics.iter().filter_map(|param| match param.kind { @@ -197,7 +197,9 @@ impl<'hir> LoweringContext<'_, 'hir> { node_ids .into_iter() - .map(|node_id| hir::ItemId { id: self.allocate_hir_id_counter(node_id) }) + .map(|node_id| hir::ItemId { + def_id: self.allocate_hir_id_counter(node_id).expect_owner(), + }) .collect() } @@ -232,13 +234,13 @@ impl<'hir> LoweringContext<'_, 'hir> { if let ItemKind::MacroDef(MacroDef { ref body, macro_rules }) = i.kind { if !macro_rules || self.sess.contains_name(&i.attrs, sym::macro_export) { - let hir_id = self.lower_node_id(i.id); + let def_id = self.lower_node_id(i.id).expect_owner(); let body = P(self.lower_mac_args(body)); self.exported_macros.push(hir::MacroDef { ident, vis, attrs, - hir_id, + def_id, span: i.span, ast: MacroDef { body, macro_rules }, }); @@ -250,7 +252,14 @@ impl<'hir> LoweringContext<'_, 'hir> { let kind = self.lower_item_kind(i.span, i.id, &mut ident, attrs, &mut vis, &i.kind); - Some(hir::Item { hir_id: self.lower_node_id(i.id), ident, attrs, kind, vis, span: i.span }) + Some(hir::Item { + def_id: self.lower_node_id(i.id).expect_owner(), + ident, + attrs, + kind, + vis, + span: i.span, + }) } fn lower_item_kind( @@ -387,8 +396,6 @@ impl<'hir> LoweringContext<'_, 'hir> { self_ty: ref ty, items: ref impl_items, }) => { - let def_id = self.resolver.local_def_id(id); - // Lower the "impl header" first. This ordering is important // for in-band lifetimes! Consider `'a` here: // @@ -402,10 +409,10 @@ impl<'hir> LoweringContext<'_, 'hir> { // method, it will not be considered an in-band // lifetime to be added, but rather a reference to a // parent lifetime. - let lowered_trait_impl_id = self.lower_node_id(id); + let lowered_trait_def_id = self.lower_node_id(id).expect_owner(); let (generics, (trait_ref, lowered_ty)) = self.add_in_band_defs( ast_generics, - def_id, + lowered_trait_def_id, AnonymousLifetimeMode::CreateParameter, |this, _| { let trait_ref = trait_ref.as_ref().map(|trait_ref| { @@ -417,7 +424,7 @@ impl<'hir> LoweringContext<'_, 'hir> { this.trait_impls .entry(def_id) .or_default() - .push(lowered_trait_impl_id); + .push(lowered_trait_def_id); } } @@ -557,7 +564,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let vis = this.rebuild_vis(&vis); this.insert_item(hir::Item { - hir_id: new_id, + def_id: new_id.expect_owner(), ident, attrs, kind, @@ -629,7 +636,7 @@ impl<'hir> LoweringContext<'_, 'hir> { this.lower_use_tree(use_tree, &prefix, id, &mut vis, &mut ident, attrs); this.insert_item(hir::Item { - hir_id: new_hir_id, + def_id: new_hir_id.expect_owner(), ident, attrs, kind, @@ -702,7 +709,7 @@ impl<'hir> LoweringContext<'_, 'hir> { fn lower_foreign_item(&mut self, i: &ForeignItem) -> hir::ForeignItem<'hir> { let def_id = self.resolver.local_def_id(i.id); hir::ForeignItem { - hir_id: self.lower_node_id(i.id), + def_id, ident: i.ident, attrs: self.lower_attrs(&i.attrs), kind: match i.kind { @@ -737,7 +744,7 @@ impl<'hir> LoweringContext<'_, 'hir> { fn lower_foreign_item_ref(&mut self, i: &ForeignItem) -> hir::ForeignItemRef<'hir> { hir::ForeignItemRef { - id: hir::ForeignItemId { hir_id: self.lower_node_id(i.id) }, + id: hir::ForeignItemId { def_id: self.lower_node_id(i.id).expect_owner() }, ident: i.ident, span: i.span, vis: self.lower_visibility(&i.vis, Some(i.id)), @@ -837,7 +844,7 @@ impl<'hir> LoweringContext<'_, 'hir> { }; hir::TraitItem { - hir_id: self.lower_node_id(i.id), + def_id: trait_item_def_id, ident: i.ident, attrs: self.lower_attrs(&i.attrs), generics, @@ -857,7 +864,7 @@ impl<'hir> LoweringContext<'_, 'hir> { } AssocItemKind::MacCall(..) => unimplemented!(), }; - let id = hir::TraitItemId { hir_id: self.lower_node_id(i.id) }; + let id = hir::TraitItemId { def_id: self.lower_node_id(i.id).expect_owner() }; let defaultness = hir::Defaultness::Default { has_value: has_default }; hir::TraitItemRef { id, ident: i.ident, span: i.span, defaultness, kind } } @@ -922,7 +929,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let has_value = true; let (defaultness, _) = self.lower_defaultness(i.kind.defaultness(), has_value); hir::ImplItem { - hir_id: self.lower_node_id(i.id), + def_id: self.lower_node_id(i.id).expect_owner(), ident: i.ident, attrs: self.lower_attrs(&i.attrs), generics, @@ -938,7 +945,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let has_value = true; let (defaultness, _) = self.lower_defaultness(i.kind.defaultness(), has_value); hir::ImplItemRef { - id: hir::ImplItemId { hir_id: self.lower_node_id(i.id) }, + id: hir::ImplItemId { def_id: self.lower_node_id(i.id).expect_owner() }, ident: i.ident, span: i.span, vis: self.lower_visibility(&i.vis, Some(i.id)), diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index f076dca5cf5..9d0b2cd5c67 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -48,7 +48,7 @@ use rustc_data_structures::sync::Lrc; use rustc_errors::struct_span_err; use rustc_hir as hir; use rustc_hir::def::{DefKind, Namespace, PartialRes, PerNS, Res}; -use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId, CRATE_DEF_INDEX}; +use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId, CRATE_DEF_ID}; use rustc_hir::definitions::{DefKey, DefPathData, Definitions}; use rustc_hir::intravisit; use rustc_hir::{ConstArg, GenericArg, ParamName}; @@ -99,7 +99,7 @@ struct LoweringContext<'a, 'hir: 'a> { arena: &'hir Arena<'hir>, /// The items being lowered are collected here. - items: BTreeMap<hir::HirId, hir::Item<'hir>>, + items: BTreeMap<hir::ItemId, hir::Item<'hir>>, trait_items: BTreeMap<hir::TraitItemId, hir::TraitItem<'hir>>, impl_items: BTreeMap<hir::ImplItemId, hir::ImplItem<'hir>>, @@ -108,9 +108,9 @@ struct LoweringContext<'a, 'hir: 'a> { exported_macros: Vec<hir::MacroDef<'hir>>, non_exported_macro_attrs: Vec<ast::Attribute>, - trait_impls: BTreeMap<DefId, Vec<hir::HirId>>, + trait_impls: BTreeMap<DefId, Vec<LocalDefId>>, - modules: BTreeMap<hir::HirId, hir::ModuleItems>, + modules: BTreeMap<LocalDefId, hir::ModuleItems>, generator_kind: Option<hir::GeneratorKind>, @@ -158,7 +158,7 @@ struct LoweringContext<'a, 'hir: 'a> { /// vector. in_scope_lifetimes: Vec<ParamName>, - current_module: hir::HirId, + current_module: LocalDefId, type_def_lifetime_params: DefIdMap<usize>, @@ -314,8 +314,8 @@ pub fn lower_crate<'a, 'hir>( is_in_dyn_type: false, anonymous_lifetime_mode: AnonymousLifetimeMode::PassThrough, type_def_lifetime_params: Default::default(), - current_module: hir::CRATE_HIR_ID, - current_hir_id_owner: vec![(LocalDefId { local_def_index: CRATE_DEF_INDEX }, 0)], + current_module: CRATE_DEF_ID, + current_hir_id_owner: vec![(CRATE_DEF_ID, 0)], item_local_id_counters: Default::default(), node_id_to_hir_id: IndexVec::new(), generator_kind: None, @@ -605,12 +605,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { } } - fn insert_item(&mut self, item: hir::Item<'hir>) { - let id = item.hir_id; - // FIXME: Use `debug_asset-rt`. - assert_eq!(id.local_id, hir::ItemLocalId::from_u32(0)); + fn insert_item(&mut self, item: hir::Item<'hir>) -> hir::ItemId { + let id = hir::ItemId { def_id: item.def_id }; self.items.insert(id, item); self.modules.get_mut(&self.current_module).unwrap().items.insert(id); + id } fn allocate_hir_id_counter(&mut self, owner: NodeId) -> hir::HirId { @@ -1547,11 +1546,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { }; trace!("lower_opaque_impl_trait: {:#?}", opaque_ty_def_id); - let opaque_ty_id = - lctx.generate_opaque_type(opaque_ty_node_id, opaque_ty_item, span, opaque_ty_span); + lctx.generate_opaque_type(opaque_ty_def_id, opaque_ty_item, span, opaque_ty_span); // `impl Trait` now just becomes `Foo<'a, 'b, ..>`. - hir::TyKind::OpaqueDef(hir::ItemId { id: opaque_ty_id }, lifetimes) + hir::TyKind::OpaqueDef(hir::ItemId { def_id: opaque_ty_def_id }, lifetimes) }) } @@ -1559,17 +1557,16 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { /// returns the lowered node-ID for the opaque type. fn generate_opaque_type( &mut self, - opaque_ty_node_id: NodeId, + opaque_ty_id: LocalDefId, opaque_ty_item: hir::OpaqueTy<'hir>, span: Span, opaque_ty_span: Span, - ) -> hir::HirId { + ) { let opaque_ty_item_kind = hir::ItemKind::OpaqueTy(opaque_ty_item); - let opaque_ty_id = self.lower_node_id(opaque_ty_node_id); // Generate an `type Foo = impl Trait;` declaration. trace!("registering opaque type with id {:#?}", opaque_ty_id); let opaque_ty_item = hir::Item { - hir_id: opaque_ty_id, + def_id: opaque_ty_id, ident: Ident::invalid(), attrs: Default::default(), kind: opaque_ty_item_kind, @@ -1581,7 +1578,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // automatically for all AST items. But this opaque type item // does not actually exist in the AST. self.insert_item(opaque_ty_item); - opaque_ty_id } fn lifetimes_from_impl_trait_bounds( @@ -2010,7 +2006,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // grow. let input_lifetimes_count = self.in_scope_lifetimes.len() + self.lifetimes_to_define.len(); - let (opaque_ty_id, lifetime_params) = self.with_hir_id_owner(opaque_ty_node_id, |this| { + let lifetime_params = self.with_hir_id_owner(opaque_ty_node_id, |this| { // We have to be careful to get elision right here. The // idea is that we create a lifetime parameter for each // lifetime in the return type. So, given a return type @@ -2061,10 +2057,9 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { }; trace!("exist ty from async fn def id: {:#?}", opaque_ty_def_id); - let opaque_ty_id = - this.generate_opaque_type(opaque_ty_node_id, opaque_ty_item, span, opaque_ty_span); + this.generate_opaque_type(opaque_ty_def_id, opaque_ty_item, span, opaque_ty_span); - (opaque_ty_id, lifetime_params) + lifetime_params }); // As documented above on the variable @@ -2107,7 +2102,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // Foo = impl Trait` is, internally, created as a child of the // async fn, so the *type parameters* are inherited. It's // only the lifetime parameters that we must supply. - let opaque_ty_ref = hir::TyKind::OpaqueDef(hir::ItemId { id: opaque_ty_id }, generic_args); + let opaque_ty_ref = + hir::TyKind::OpaqueDef(hir::ItemId { def_id: opaque_ty_def_id }, generic_args); let opaque_ty = self.ty(opaque_ty_span, opaque_ty_ref); hir::FnRetTy::Return(self.arena.alloc(opaque_ty)) } @@ -2432,7 +2428,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let mut ids: SmallVec<[hir::Stmt<'hir>; 1]> = item_ids .into_iter() .map(|item_id| { - let item_id = hir::ItemId { id: self.lower_node_id(item_id) }; + let item_id = hir::ItemId { + // All the items that `lower_local` finds are `impl Trait` types. + def_id: self.lower_node_id(item_id).expect_owner(), + }; self.stmt(s.span, hir::StmtKind::Item(item_id)) }) .collect(); diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 01e234c9be9..180402c24fb 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -1681,7 +1681,7 @@ impl<'a> State<'a> { self.ibox(INDENT_UNIT); self.s.word("["); self.print_inner_attributes_inline(attrs); - self.commasep_exprs(Inconsistent, &exprs[..]); + self.commasep_exprs(Inconsistent, exprs); self.s.word("]"); self.end(); } @@ -1722,7 +1722,7 @@ impl<'a> State<'a> { self.print_inner_attributes_inline(attrs); self.commasep_cmnt( Consistent, - &fields[..], + fields, |s, field| { s.print_outer_attributes(&field.attrs); s.ibox(INDENT_UNIT); @@ -1757,7 +1757,7 @@ impl<'a> State<'a> { fn print_expr_tup(&mut self, exprs: &[P<ast::Expr>], attrs: &[ast::Attribute]) { self.popen(); self.print_inner_attributes_inline(attrs); - self.commasep_exprs(Inconsistent, &exprs[..]); + self.commasep_exprs(Inconsistent, exprs); if exprs.len() == 1 { self.s.word(","); } diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs index 85ca1da6f1d..7e88b58c0e2 100644 --- a/compiler/rustc_builtin_macros/src/format.rs +++ b/compiler/rustc_builtin_macros/src/format.rs @@ -270,7 +270,7 @@ impl<'a, 'b> Context<'a, 'b> { parse::ArgumentNamed(s) => Named(s), }; - let ty = Placeholder(match &arg.format.ty[..] { + let ty = Placeholder(match arg.format.ty { "" => "Display", "?" => "Debug", "e" => "LowerExp", diff --git a/compiler/rustc_builtin_macros/src/format_foreign.rs b/compiler/rustc_builtin_macros/src/format_foreign.rs index 0496c72cb00..0cc520e5bd1 100644 --- a/compiler/rustc_builtin_macros/src/format_foreign.rs +++ b/compiler/rustc_builtin_macros/src/format_foreign.rs @@ -312,7 +312,7 @@ pub mod printf { return Some((Substitution::Escape, &s[start + 2..])); } - Cur::new_at(&s[..], start) + Cur::new_at(s, start) }; // This is meant to be a translation of the following regex: @@ -673,7 +673,7 @@ pub mod shell { _ => { /* fall-through */ } } - Cur::new_at(&s[..], start) + Cur::new_at(s, start) }; let at = at.at_next_cp()?; diff --git a/compiler/rustc_codegen_cranelift/src/driver/aot.rs b/compiler/rustc_codegen_cranelift/src/driver/aot.rs index df89883f0bb..c9e503a43b9 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/aot.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/aot.rs @@ -164,8 +164,8 @@ fn module_codegen(tcx: TyCtxt<'_>, cgu_name: rustc_span::Symbol) -> ModuleCodege MonoItem::Static(def_id) => { crate::constant::codegen_static(&mut cx.constants_cx, def_id) } - MonoItem::GlobalAsm(hir_id) => { - let item = cx.tcx.hir().expect_item(hir_id); + MonoItem::GlobalAsm(item_id) => { + let item = cx.tcx.hir().item(item_id); if let rustc_hir::ItemKind::GlobalAsm(rustc_hir::GlobalAsm { asm }) = item.kind { cx.global_asm.push_str(&*asm.as_str()); cx.global_asm.push_str("\n\n"); diff --git a/compiler/rustc_codegen_cranelift/src/driver/jit.rs b/compiler/rustc_codegen_cranelift/src/driver/jit.rs index 2d14ff2c022..f784d8d27cc 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/jit.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/jit.rs @@ -93,10 +93,9 @@ pub(super) fn run_jit(tcx: TyCtxt<'_>, codegen_mode: CodegenMode) -> ! { MonoItem::Static(def_id) => { crate::constant::codegen_static(&mut cx.constants_cx, def_id); } - MonoItem::GlobalAsm(hir_id) => { - let item = cx.tcx.hir().expect_item(hir_id); - tcx.sess - .span_fatal(item.span, "Global asm is not supported in JIT mode"); + MonoItem::GlobalAsm(item_id) => { + let item = cx.tcx.hir().item(item_id); + tcx.sess.span_fatal(item.span, "Global asm is not supported in JIT mode"); } } } diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 8b737c9a2e5..5f8a11ab94e 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -11,6 +11,7 @@ use crate::llvm_util; use crate::type_::Type; use crate::LlvmCodegenBackend; use crate::ModuleLlvm; +use rustc_codegen_ssa::back::link::ensure_removed; use rustc_codegen_ssa::back::write::{ BitcodeSection, CodegenContext, EmitObj, ModuleConfig, TargetMachineFactoryConfig, TargetMachineFactoryFn, @@ -879,9 +880,7 @@ pub(crate) unsafe fn codegen( if !config.emit_bc { debug!("removing_bitcode {:?}", bc_out); - if let Err(e) = fs::remove_file(&bc_out) { - diag_handler.err(&format!("failed to remove bitcode: {}", e)); - } + ensure_removed(diag_handler, &bc_out); } } diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 6c58417590e..972b9bbfe1c 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -1,5 +1,6 @@ use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::temp_dir::MaybeTempDir; +use rustc_errors::Handler; use rustc_fs_util::fix_windows_verbatim_for_gcc; use rustc_hir::def_id::CrateNum; use rustc_middle::middle::cstore::{EncodedMetadata, LibSource}; @@ -34,9 +35,11 @@ use std::path::{Path, PathBuf}; use std::process::{ExitStatus, Output, Stdio}; use std::{ascii, char, env, fmt, fs, io, mem, str}; -pub fn remove(sess: &Session, path: &Path) { +pub fn ensure_removed(diag_handler: &Handler, path: &Path) { if let Err(e) = fs::remove_file(path) { - sess.err(&format!("failed to remove {}: {}", path.display(), e)); + if e.kind() != io::ErrorKind::NotFound { + diag_handler.err(&format!("failed to remove {}: {}", path.display(), e)); + } } } @@ -112,11 +115,11 @@ pub fn link_binary<'a, B: ArchiveBuilder<'a>>( if !sess.opts.cg.save_temps { let remove_temps_from_module = |module: &CompiledModule| { if let Some(ref obj) = module.object { - remove(sess, obj); + ensure_removed(sess.diagnostic(), obj); } if let Some(ref obj) = module.dwarf_object { - remove(sess, obj); + ensure_removed(sess.diagnostic(), obj); } }; diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 6aef5cb535a..b0aed812460 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -1,4 +1,4 @@ -use super::link::{self, remove}; +use super::link::{self, ensure_removed}; use super::linker::LinkerInfo; use super::lto::{self, SerializedModule}; use super::symbol_export::symbol_name_for_instance_in_crate; @@ -543,7 +543,7 @@ fn produce_final_output_artifacts( copy_gracefully(&path, &crate_output.path(output_type)); if !sess.opts.cg.save_temps && !keep_numbered { // The user just wants `foo.x`, not `foo.#module-name#.x`. - remove(sess, &path); + ensure_removed(sess.diagnostic(), &path); } } else { let ext = crate_output @@ -642,19 +642,19 @@ fn produce_final_output_artifacts( for module in compiled_modules.modules.iter() { if let Some(ref path) = module.object { if !keep_numbered_objects { - remove(sess, path); + ensure_removed(sess.diagnostic(), path); } } if let Some(ref path) = module.dwarf_object { if !keep_numbered_objects { - remove(sess, path); + ensure_removed(sess.diagnostic(), path); } } if let Some(ref path) = module.bytecode { if !keep_numbered_bitcode { - remove(sess, path); + ensure_removed(sess.diagnostic(), path); } } } @@ -662,13 +662,13 @@ fn produce_final_output_artifacts( if !user_wants_bitcode { if let Some(ref metadata_module) = compiled_modules.metadata_module { if let Some(ref path) = metadata_module.bytecode { - remove(sess, &path); + ensure_removed(sess.diagnostic(), &path); } } if let Some(ref allocator_module) = compiled_modules.allocator_module { if let Some(ref path) = allocator_module.bytecode { - remove(sess, path); + ensure_removed(sess.diagnostic(), path); } } } diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index c8219081678..9ce90669800 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -709,7 +709,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let (tup, args) = args.split_last().unwrap(); (args, Some(tup)) } else { - (&args[..], None) + (args, None) }; 'make_args: for (i, arg) in first_args.iter().enumerate() { diff --git a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs index f1eae605da0..ea59e183118 100644 --- a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs +++ b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs @@ -320,6 +320,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { ) -> Option<IndexVec<mir::Local, Vec<PerLocalVarDebugInfo<'tcx, Bx::DIVariable>>>> { let full_debug_info = self.cx.sess().opts.debuginfo == DebugInfo::Full; + let target_is_msvc = self.cx.sess().target.is_like_msvc; + if !full_debug_info && self.cx.sess().fewer_names() { return None; } @@ -341,11 +343,29 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { && var.source_info.scope == mir::OUTERMOST_SOURCE_SCOPE { let arg_index = place.local.index() - 1; - - // FIXME(eddyb) shouldn't `ArgumentVariable` indices be - // offset in closures to account for the hidden environment? - // Also, is this `+ 1` needed at all? - VariableKind::ArgumentVariable(arg_index + 1) + if target_is_msvc { + // Rust compiler decomposes every &str or slice argument into two components: + // a pointer to the memory address where the data is stored and a usize representing + // the length of the str (or slice). These components will later be used to reconstruct + // the original argument inside the body of the function that owns it (see the + // definition of debug_introduce_local for more details). + // + // Since the original argument is declared inside a function rather than being passed + // in as an argument, it must be marked as a LocalVariable for MSVC debuggers to visualize + // its data correctly. (See issue #81894 for an in-depth description of the problem). + match *var_ty.kind() { + ty::Ref(_, inner_type, _) => match *inner_type.kind() { + ty::Slice(_) | ty::Str => VariableKind::LocalVariable, + _ => VariableKind::ArgumentVariable(arg_index + 1), + }, + _ => VariableKind::ArgumentVariable(arg_index + 1), + } + } else { + // FIXME(eddyb) shouldn't `ArgumentVariable` indices be + // offset in closures to account for the hidden environment? + // Also, is this `+ 1` needed at all? + VariableKind::ArgumentVariable(arg_index + 1) + } } else { VariableKind::LocalVariable }; diff --git a/compiler/rustc_codegen_ssa/src/mono_item.rs b/compiler/rustc_codegen_ssa/src/mono_item.rs index 607b5459673..8e79193759e 100644 --- a/compiler/rustc_codegen_ssa/src/mono_item.rs +++ b/compiler/rustc_codegen_ssa/src/mono_item.rs @@ -30,8 +30,8 @@ impl<'a, 'tcx: 'a> MonoItemExt<'a, 'tcx> for MonoItem<'tcx> { MonoItem::Static(def_id) => { cx.codegen_static(def_id, cx.tcx().is_mutable_static(def_id)); } - MonoItem::GlobalAsm(hir_id) => { - let item = cx.tcx().hir().expect_item(hir_id); + MonoItem::GlobalAsm(item_id) => { + let item = cx.tcx().hir().item(item_id); if let hir::ItemKind::GlobalAsm(ref ga) = item.kind { cx.codegen_global_asm(ga); } else { diff --git a/compiler/rustc_driver/src/pretty.rs b/compiler/rustc_driver/src/pretty.rs index b7edc24bc4a..17d2b3386f5 100644 --- a/compiler/rustc_driver/src/pretty.rs +++ b/compiler/rustc_driver/src/pretty.rs @@ -15,8 +15,6 @@ use rustc_span::symbol::Ident; use rustc_span::FileName; use std::cell::Cell; -use std::fs::File; -use std::io::Write; use std::path::Path; pub use self::PpMode::*; @@ -237,7 +235,7 @@ impl<'hir> pprust_hir::PpAnn for IdentifiedAnnotation<'hir> { pprust_hir::AnnNode::Name(_) => {} pprust_hir::AnnNode::Item(item) => { s.s.space(); - s.synth_comment(format!("hir_id: {}", item.hir_id)); + s.synth_comment(format!("hir_id: {}", item.hir_id())); } pprust_hir::AnnNode::SubItem(id) => { s.s.space(); @@ -375,13 +373,14 @@ fn get_source(input: &Input, sess: &Session) -> (String, FileName) { (src, src_name) } -fn write_output(out: Vec<u8>, ofile: Option<&Path>) { +fn write_or_print(out: &str, ofile: Option<&Path>) { match ofile { - None => print!("{}", String::from_utf8(out).unwrap()), - Some(p) => match File::create(p) { - Ok(mut w) => w.write_all(&out).unwrap(), - Err(e) => panic!("print-print failed to open {} due to {}", p.display(), e), - }, + None => print!("{}", out), + Some(p) => { + if let Err(e) = std::fs::write(p, out) { + panic!("print-print failed to write {} due to {}", p.display(), e); + } + } } } @@ -417,7 +416,7 @@ pub fn print_after_parsing( unreachable!(); }; - write_output(out.into_bytes(), ofile); + write_or_print(&out, ofile); } pub fn print_after_hir_lowering<'tcx>( @@ -477,7 +476,7 @@ pub fn print_after_hir_lowering<'tcx>( _ => unreachable!(), } - write_output(out.into_bytes(), ofile); + write_or_print(&out, ofile); } // In an ideal world, this would be a public function called by the driver after @@ -503,7 +502,8 @@ fn print_with_analysis( } .unwrap(); - write_output(out, ofile); + let out = std::str::from_utf8(&out).unwrap(); + write_or_print(out, ofile); Ok(()) } diff --git a/compiler/rustc_error_codes/src/error_codes.rs b/compiler/rustc_error_codes/src/error_codes.rs index d01c162b0c8..8944711f38f 100644 --- a/compiler/rustc_error_codes/src/error_codes.rs +++ b/compiler/rustc_error_codes/src/error_codes.rs @@ -286,6 +286,8 @@ E0538: include_str!("./error_codes/E0538.md"), E0539: include_str!("./error_codes/E0539.md"), E0541: include_str!("./error_codes/E0541.md"), E0542: include_str!("./error_codes/E0542.md"), +E0543: include_str!("./error_codes/E0543.md"), +E0545: include_str!("./error_codes/E0545.md"), E0546: include_str!("./error_codes/E0546.md"), E0547: include_str!("./error_codes/E0547.md"), E0550: include_str!("./error_codes/E0550.md"), @@ -604,9 +606,7 @@ E0781: include_str!("./error_codes/E0781.md"), E0523, // E0526, // shuffle indices are not constant // E0540, // multiple rustc_deprecated attributes - E0543, // missing 'reason' E0544, // multiple stability levels - E0545, // incorrect 'issue' // E0548, // replaced with a generic attribute input check // rustc_deprecated attribute must be paired with either stable or unstable // attribute diff --git a/compiler/rustc_error_codes/src/error_codes/E0543.md b/compiler/rustc_error_codes/src/error_codes/E0543.md new file mode 100644 index 00000000000..ba26f92e89f --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0543.md @@ -0,0 +1,35 @@ +The `reason` value is missing in a stability attribute. + +Erroneous code example: + +```compile_fail,E0543 +#![feature(staged_api)] +#![stable(since = "1.0.0", feature = "test")] + +#[stable(since = "0.1.0", feature = "_deprecated_fn")] +#[rustc_deprecated( + since = "1.0.0" +)] // invalid +fn _deprecated_fn() {} +``` + +To fix this issue, you need to provide the `reason` field. Example: + +``` +#![feature(staged_api)] +#![stable(since = "1.0.0", feature = "test")] + +#[stable(since = "0.1.0", feature = "_deprecated_fn")] +#[rustc_deprecated( + since = "1.0.0", + reason = "explanation for deprecation" +)] // ok! +fn _deprecated_fn() {} +``` + +See the [How Rust is Made and “Nightly Rust”][how-rust-made-nightly] appendix +of the Book and the [Stability attributes][stability-attributes] section of the +Rustc Dev Guide for more details. + +[how-rust-made-nightly]: https://doc.rust-lang.org/book/appendix-07-nightly-rust.html +[stability-attributes]: https://rustc-dev-guide.rust-lang.org/stability.html diff --git a/compiler/rustc_error_codes/src/error_codes/E0545.md b/compiler/rustc_error_codes/src/error_codes/E0545.md new file mode 100644 index 00000000000..9fb935a3ab1 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0545.md @@ -0,0 +1,35 @@ +The `issue` value is incorrect in a stability attribute. + +Erroneous code example: + +```compile_fail,E0545 +#![feature(staged_api)] +#![stable(since = "1.0.0", feature = "test")] + +#[unstable(feature = "_unstable_fn", issue = "0")] // invalid +fn _unstable_fn() {} + +#[rustc_const_unstable(feature = "_unstable_const_fn", issue = "0")] // invalid +fn _unstable_const_fn() {} +``` + +To fix this issue, you need to provide a correct value in the `issue` field. +Example: + +``` +#![feature(staged_api)] +#![stable(since = "1.0.0", feature = "test")] + +#[unstable(feature = "_unstable_fn", issue = "none")] // ok! +fn _unstable_fn() {} + +#[rustc_const_unstable(feature = "_unstable_const_fn", issue = "1")] // ok! +fn _unstable_const_fn() {} +``` + +See the [How Rust is Made and “Nightly Rust”][how-rust-made-nightly] appendix +of the Book and the [Stability attributes][stability-attributes] section of the +Rustc Dev Guide for more details. + +[how-rust-made-nightly]: https://doc.rust-lang.org/book/appendix-07-nightly-rust.html +[stability-attributes]: https://rustc-dev-guide.rust-lang.org/stability.html diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index c5d0927760b..f23e3b9f747 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -22,7 +22,7 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_data_structures::sync::Lrc; use rustc_errors::{Applicability, PResult}; use rustc_feature::Features; -use rustc_parse::parser::{AttemptLocalParseRecovery, ForceCollect, Parser}; +use rustc_parse::parser::{AttemptLocalParseRecovery, ForceCollect, GateOr, Parser, RecoverComma}; use rustc_parse::validate_attr; use rustc_session::lint::builtin::UNUSED_DOC_COMMENTS; use rustc_session::lint::BuiltinLintDiagnostics; @@ -914,7 +914,9 @@ pub fn parse_ast_fragment<'a>( } } AstFragmentKind::Ty => AstFragment::Ty(this.parse_ty()?), - AstFragmentKind::Pat => AstFragment::Pat(this.parse_pat(None)?), + AstFragmentKind::Pat => { + AstFragment::Pat(this.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::No)?) + } AstFragmentKind::Arms | AstFragmentKind::Fields | AstFragmentKind::FieldPats diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 9609510d0af..6ac1c570cfe 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -619,7 +619,7 @@ pub struct WhereEqPredicate<'hir> { pub struct ModuleItems { // Use BTreeSets here so items are in the same order as in the // list of all items in Crate - pub items: BTreeSet<HirId>, + pub items: BTreeSet<ItemId>, pub trait_items: BTreeSet<TraitItemId>, pub impl_items: BTreeSet<ImplItemId>, pub foreign_items: BTreeSet<ForeignItemId>, @@ -652,13 +652,13 @@ pub struct Crate<'hir> { // does, because it can affect the order in which errors are // detected, which in turn can make UI tests yield // slightly different results. - pub items: BTreeMap<HirId, Item<'hir>>, + pub items: BTreeMap<ItemId, Item<'hir>>, pub trait_items: BTreeMap<TraitItemId, TraitItem<'hir>>, pub impl_items: BTreeMap<ImplItemId, ImplItem<'hir>>, pub foreign_items: BTreeMap<ForeignItemId, ForeignItem<'hir>>, pub bodies: BTreeMap<BodyId, Body<'hir>>, - pub trait_impls: BTreeMap<DefId, Vec<HirId>>, + pub trait_impls: BTreeMap<DefId, Vec<LocalDefId>>, /// A list of the body ids written out in the order in which they /// appear in the crate. If you're going to process all the bodies @@ -668,7 +668,7 @@ pub struct Crate<'hir> { /// A list of modules written out in the order in which they /// appear in the crate. This includes the main crate module. - pub modules: BTreeMap<HirId, ModuleItems>, + pub modules: BTreeMap<LocalDefId, ModuleItems>, /// A list of proc macro HirIds, written out in the order in which /// they are declared in the static array generated by proc_macro_harness. pub proc_macros: Vec<HirId>, @@ -677,7 +677,7 @@ pub struct Crate<'hir> { } impl Crate<'hir> { - pub fn item(&self, id: HirId) -> &Item<'hir> { + pub fn item(&self, id: ItemId) -> &Item<'hir> { &self.items[&id] } @@ -761,16 +761,22 @@ impl Crate<'_> { /// A macro definition, in this crate or imported from another. /// /// Not parsed directly, but created on macro import or `macro_rules!` expansion. -#[derive(Debug, HashStable_Generic)] +#[derive(Debug)] pub struct MacroDef<'hir> { pub ident: Ident, pub vis: Visibility<'hir>, pub attrs: &'hir [Attribute], - pub hir_id: HirId, + pub def_id: LocalDefId, pub span: Span, pub ast: ast::MacroDef, } +impl MacroDef<'_> { + pub fn hir_id(&self) -> HirId { + HirId::make_owner(self.def_id) + } +} + /// A block of statements `{ .. }`, which may have a label (in this case the /// `targeted_by_break` field will be `true`) and may be `unsafe` by means of /// the `rules` being anything but `DefaultBlock`. @@ -1413,10 +1419,6 @@ pub struct Expr<'hir> { pub span: Span, } -// `Expr` is used a lot. Make sure it doesn't unintentionally get bigger. -#[cfg(target_arch = "x86_64")] -rustc_data_structures::static_assert_size!(Expr<'static>, 72); - impl Expr<'_> { pub fn precedence(&self) -> ExprPrecedence { match self.kind { @@ -1911,7 +1913,14 @@ pub struct FnSig<'hir> { // so it can fetched later. #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Encodable, Debug)] pub struct TraitItemId { - pub hir_id: HirId, + pub def_id: LocalDefId, +} + +impl TraitItemId { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } } /// Represents an item declaration within a trait declaration, @@ -1921,13 +1930,24 @@ pub struct TraitItemId { #[derive(Debug)] pub struct TraitItem<'hir> { pub ident: Ident, - pub hir_id: HirId, + pub def_id: LocalDefId, pub attrs: &'hir [Attribute], pub generics: Generics<'hir>, pub kind: TraitItemKind<'hir>, pub span: Span, } +impl TraitItem<'_> { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } + + pub fn trait_item_id(&self) -> TraitItemId { + TraitItemId { def_id: self.def_id } + } +} + /// Represents a trait method's body (or just argument names). #[derive(Encodable, Debug, HashStable_Generic)] pub enum TraitFn<'hir> { @@ -1955,14 +1975,21 @@ pub enum TraitItemKind<'hir> { // so it can fetched later. #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Encodable, Debug)] pub struct ImplItemId { - pub hir_id: HirId, + pub def_id: LocalDefId, +} + +impl ImplItemId { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } } /// Represents anything within an `impl` block. #[derive(Debug)] pub struct ImplItem<'hir> { pub ident: Ident, - pub hir_id: HirId, + pub def_id: LocalDefId, pub vis: Visibility<'hir>, pub defaultness: Defaultness, pub attrs: &'hir [Attribute], @@ -1971,6 +1998,17 @@ pub struct ImplItem<'hir> { pub span: Span, } +impl ImplItem<'_> { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } + + pub fn impl_item_id(&self) -> ImplItemId { + ImplItemId { def_id: self.def_id } + } +} + /// Represents various kinds of content within an `impl`. #[derive(Debug, HashStable_Generic)] pub enum ImplItemKind<'hir> { @@ -2545,9 +2583,16 @@ impl VariantData<'hir> { // The bodies for items are stored "out of line", in a separate // hashmap in the `Crate`. Here we just record the hir-id of the item // so it can fetched later. -#[derive(Copy, Clone, Encodable, Debug)] +#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Encodable, Debug, Hash)] pub struct ItemId { - pub id: HirId, + pub def_id: LocalDefId, +} + +impl ItemId { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } } /// An item @@ -2556,13 +2601,24 @@ pub struct ItemId { #[derive(Debug)] pub struct Item<'hir> { pub ident: Ident, - pub hir_id: HirId, + pub def_id: LocalDefId, pub attrs: &'hir [Attribute], pub kind: ItemKind<'hir>, pub vis: Visibility<'hir>, pub span: Span, } +impl Item<'_> { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } + + pub fn item_id(&self) -> ItemId { + ItemId { def_id: self.def_id } + } +} + #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] #[derive(Encodable, Decodable, HashStable_Generic)] pub enum Unsafety { @@ -2733,7 +2789,14 @@ pub enum AssocItemKind { // so it can fetched later. #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Encodable, Debug)] pub struct ForeignItemId { - pub hir_id: HirId, + pub def_id: LocalDefId, +} + +impl ForeignItemId { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } } /// A reference from a foreign block to one of its items. This @@ -2751,17 +2814,27 @@ pub struct ForeignItemRef<'hir> { pub vis: Visibility<'hir>, } -#[derive(Debug, HashStable_Generic)] +#[derive(Debug)] pub struct ForeignItem<'hir> { - #[stable_hasher(project(name))] pub ident: Ident, pub attrs: &'hir [Attribute], pub kind: ForeignItemKind<'hir>, - pub hir_id: HirId, + pub def_id: LocalDefId, pub span: Span, pub vis: Visibility<'hir>, } +impl ForeignItem<'_> { + pub fn hir_id(&self) -> HirId { + // Items are always HIR owners. + HirId::make_owner(self.def_id) + } + + pub fn foreign_item_id(&self) -> ForeignItemId { + ForeignItemId { def_id: self.def_id } + } +} + /// An item within an `extern` block. #[derive(Debug, HashStable_Generic)] pub enum ForeignItemKind<'hir> { @@ -2871,11 +2944,12 @@ impl<'hir> Node<'hir> { pub fn hir_id(&self) -> Option<HirId> { match self { - Node::Item(Item { hir_id, .. }) - | Node::ForeignItem(ForeignItem { hir_id, .. }) - | Node::TraitItem(TraitItem { hir_id, .. }) - | Node::ImplItem(ImplItem { hir_id, .. }) - | Node::Field(StructField { hir_id, .. }) + Node::Item(Item { def_id, .. }) + | Node::TraitItem(TraitItem { def_id, .. }) + | Node::ImplItem(ImplItem { def_id, .. }) + | Node::ForeignItem(ForeignItem { def_id, .. }) + | Node::MacroDef(MacroDef { def_id, .. }) => Some(HirId::make_owner(*def_id)), + Node::Field(StructField { hir_id, .. }) | Node::AnonConst(AnonConst { hir_id, .. }) | Node::Expr(Expr { hir_id, .. }) | Node::Stmt(Stmt { hir_id, .. }) @@ -2885,7 +2959,6 @@ impl<'hir> Node<'hir> { | Node::Arm(Arm { hir_id, .. }) | Node::Block(Block { hir_id, .. }) | Node::Local(Local { hir_id, .. }) - | Node::MacroDef(MacroDef { hir_id, .. }) | Node::Lifetime(Lifetime { hir_id, .. }) | Node::Param(Param { hir_id, .. }) | Node::GenericParam(GenericParam { hir_id, .. }) => Some(*hir_id), @@ -2897,3 +2970,18 @@ impl<'hir> Node<'hir> { } } } + +// Some nodes are used a lot. Make sure they don't unintentionally get bigger. +#[cfg(target_arch = "x86_64")] +mod size_asserts { + rustc_data_structures::static_assert_size!(super::Block<'static>, 48); + rustc_data_structures::static_assert_size!(super::Expr<'static>, 72); + rustc_data_structures::static_assert_size!(super::Pat<'static>, 88); + rustc_data_structures::static_assert_size!(super::QPath<'static>, 24); + rustc_data_structures::static_assert_size!(super::Ty<'static>, 72); + + rustc_data_structures::static_assert_size!(super::Item<'static>, 200); + rustc_data_structures::static_assert_size!(super::TraitItem<'static>, 144); + rustc_data_structures::static_assert_size!(super::ImplItem<'static>, 168); + rustc_data_structures::static_assert_size!(super::ForeignItem<'static>, 152); +} diff --git a/compiler/rustc_hir/src/hir_id.rs b/compiler/rustc_hir/src/hir_id.rs index cc8ac4cf5be..dd5cddd8525 100644 --- a/compiler/rustc_hir/src/hir_id.rs +++ b/compiler/rustc_hir/src/hir_id.rs @@ -18,6 +18,21 @@ pub struct HirId { pub local_id: ItemLocalId, } +impl HirId { + pub fn expect_owner(self) -> LocalDefId { + assert_eq!(self.local_id.index(), 0); + self.owner + } + + pub fn as_owner(self) -> Option<LocalDefId> { + if self.local_id.index() == 0 { Some(self.owner) } else { None } + } + + pub fn make_owner(owner: LocalDefId) -> Self { + Self { owner, local_id: ItemLocalId::from_u32(0) } + } +} + impl fmt::Display for HirId { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{:?}", self) diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index f8b3f0d9b6e..6a2719c2d66 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -133,7 +133,7 @@ pub trait Map<'hir> { /// Retrieves the `Node` corresponding to `id`, returning `None` if cannot be found. fn find(&self, hir_id: HirId) -> Option<Node<'hir>>; fn body(&self, id: BodyId) -> &'hir Body<'hir>; - fn item(&self, id: HirId) -> &'hir Item<'hir>; + fn item(&self, id: ItemId) -> &'hir Item<'hir>; fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir>; fn impl_item(&self, id: ImplItemId) -> &'hir ImplItem<'hir>; fn foreign_item(&self, id: ForeignItemId) -> &'hir ForeignItem<'hir>; @@ -150,7 +150,7 @@ impl<'hir> Map<'hir> for ErasedMap<'hir> { fn body(&self, id: BodyId) -> &'hir Body<'hir> { self.0.body(id) } - fn item(&self, id: HirId) -> &'hir Item<'hir> { + fn item(&self, id: ItemId) -> &'hir Item<'hir> { self.0.item(id) } fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir> { @@ -269,7 +269,7 @@ pub trait Visitor<'v>: Sized { /// reason to override this method is if you want a nested pattern /// but cannot supply a `Map`; see `nested_visit_map` for advice. fn visit_nested_item(&mut self, id: ItemId) { - let opt_item = self.nested_visit_map().inter().map(|map| map.item(id.id)); + let opt_item = self.nested_visit_map().inter().map(|map| map.item(id)); walk_list!(self, visit_item, opt_item); } @@ -489,7 +489,7 @@ pub fn walk_crate<'v, V: Visitor<'v>>(visitor: &mut V, krate: &'v Crate<'v>) { } pub fn walk_macro_def<'v, V: Visitor<'v>>(visitor: &mut V, macro_def: &'v MacroDef<'v>) { - visitor.visit_id(macro_def.hir_id); + visitor.visit_id(macro_def.hir_id()); visitor.visit_ident(macro_def.ident); walk_list!(visitor, visit_attribute, macro_def.attrs); } @@ -565,16 +565,16 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) { visitor.visit_ident(item.ident); match item.kind { ItemKind::ExternCrate(orig_name) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); if let Some(orig_name) = orig_name { visitor.visit_name(item.span, orig_name); } } ItemKind::Use(ref path, _) => { - visitor.visit_use(path, item.hir_id); + visitor.visit_use(path, item.hir_id()); } ItemKind::Static(ref typ, _, body) | ItemKind::Const(ref typ, body) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); visitor.visit_ty(typ); visitor.visit_nested_body(body); } @@ -583,33 +583,33 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) { &sig.decl, body_id, item.span, - item.hir_id, + item.hir_id(), ), ItemKind::Mod(ref module) => { // `visit_mod()` takes care of visiting the `Item`'s `HirId`. - visitor.visit_mod(module, item.span, item.hir_id) + visitor.visit_mod(module, item.span, item.hir_id()) } ItemKind::ForeignMod { abi: _, items } => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); walk_list!(visitor, visit_foreign_item_ref, items); } ItemKind::GlobalAsm(_) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); } ItemKind::TyAlias(ref ty, ref generics) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); visitor.visit_ty(ty); visitor.visit_generics(generics) } ItemKind::OpaqueTy(OpaqueTy { ref generics, bounds, .. }) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); walk_generics(visitor, generics); walk_list!(visitor, visit_param_bound, bounds); } ItemKind::Enum(ref enum_definition, ref generics) => { visitor.visit_generics(generics); // `visit_enum_def()` takes care of visiting the `Item`'s `HirId`. - visitor.visit_enum_def(enum_definition, generics, item.hir_id, item.span) + visitor.visit_enum_def(enum_definition, generics, item.hir_id(), item.span) } ItemKind::Impl(Impl { unsafety: _, @@ -622,7 +622,7 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) { ref self_ty, items, }) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); visitor.visit_generics(generics); walk_list!(visitor, visit_trait_ref, of_trait); visitor.visit_ty(self_ty); @@ -631,23 +631,23 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) { ItemKind::Struct(ref struct_definition, ref generics) | ItemKind::Union(ref struct_definition, ref generics) => { visitor.visit_generics(generics); - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); visitor.visit_variant_data( struct_definition, item.ident.name, generics, - item.hir_id, + item.hir_id(), item.span, ); } ItemKind::Trait(.., ref generics, bounds, trait_item_refs) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); visitor.visit_generics(generics); walk_list!(visitor, visit_param_bound, bounds); walk_list!(visitor, visit_trait_item_ref, trait_item_refs); } ItemKind::TraitAlias(ref generics, bounds) => { - visitor.visit_id(item.hir_id); + visitor.visit_id(item.hir_id()); visitor.visit_generics(generics); walk_list!(visitor, visit_param_bound, bounds); } @@ -836,7 +836,7 @@ pub fn walk_pat<'v, V: Visitor<'v>>(visitor: &mut V, pattern: &'v Pat<'v>) { } pub fn walk_foreign_item<'v, V: Visitor<'v>>(visitor: &mut V, foreign_item: &'v ForeignItem<'v>) { - visitor.visit_id(foreign_item.hir_id); + visitor.visit_id(foreign_item.hir_id()); visitor.visit_vis(&foreign_item.vis); visitor.visit_ident(foreign_item.ident); @@ -964,12 +964,12 @@ pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v Trai visitor.visit_generics(&trait_item.generics); match trait_item.kind { TraitItemKind::Const(ref ty, default) => { - visitor.visit_id(trait_item.hir_id); + visitor.visit_id(trait_item.hir_id()); visitor.visit_ty(ty); walk_list!(visitor, visit_nested_body, default); } TraitItemKind::Fn(ref sig, TraitFn::Required(param_names)) => { - visitor.visit_id(trait_item.hir_id); + visitor.visit_id(trait_item.hir_id()); visitor.visit_fn_decl(&sig.decl); for ¶m_name in param_names { visitor.visit_ident(param_name); @@ -981,11 +981,11 @@ pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v Trai &sig.decl, body_id, trait_item.span, - trait_item.hir_id, + trait_item.hir_id(), ); } TraitItemKind::Type(bounds, ref default) => { - visitor.visit_id(trait_item.hir_id); + visitor.visit_id(trait_item.hir_id()); walk_list!(visitor, visit_param_bound, bounds); walk_list!(visitor, visit_ty, default); } @@ -1004,7 +1004,7 @@ pub fn walk_trait_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_item_ref: pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplItem<'v>) { // N.B., deliberately force a compilation error if/when new fields are added. let ImplItem { - hir_id: _, + def_id: _, ident, ref vis, ref defaultness, @@ -1021,7 +1021,7 @@ pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplIt visitor.visit_generics(generics); match *kind { ImplItemKind::Const(ref ty, body) => { - visitor.visit_id(impl_item.hir_id); + visitor.visit_id(impl_item.hir_id()); visitor.visit_ty(ty); visitor.visit_nested_body(body); } @@ -1031,11 +1031,11 @@ pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplIt &sig.decl, body_id, impl_item.span, - impl_item.hir_id, + impl_item.hir_id(), ); } ImplItemKind::TyAlias(ref ty) => { - visitor.visit_id(impl_item.hir_id); + visitor.visit_id(impl_item.hir_id()); visitor.visit_ty(ty); } } diff --git a/compiler/rustc_hir/src/stable_hash_impls.rs b/compiler/rustc_hir/src/stable_hash_impls.rs index 439fb88039b..5fb4b8a58c2 100644 --- a/compiler/rustc_hir/src/stable_hash_impls.rs +++ b/compiler/rustc_hir/src/stable_hash_impls.rs @@ -1,8 +1,8 @@ use rustc_data_structures::stable_hasher::{HashStable, StableHasher, ToStableHashKey}; use crate::hir::{ - BodyId, Expr, ForeignItemId, ImplItem, ImplItemId, Item, ItemId, Mod, TraitItem, TraitItemId, - Ty, VisibilityKind, + BodyId, Expr, ForeignItem, ForeignItemId, ImplItem, ImplItemId, Item, ItemId, MacroDef, Mod, + TraitItem, TraitItemId, Ty, VisibilityKind, }; use crate::hir_id::{HirId, ItemLocalId}; use rustc_span::def_id::{DefPathHash, LocalDefId}; @@ -34,30 +34,39 @@ impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for HirId { } } +impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for ItemId { + type KeyType = DefPathHash; + + #[inline] + fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash { + hcx.local_def_path_hash(self.def_id) + } +} + impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for TraitItemId { - type KeyType = (DefPathHash, ItemLocalId); + type KeyType = DefPathHash; #[inline] - fn to_stable_hash_key(&self, hcx: &HirCtx) -> (DefPathHash, ItemLocalId) { - self.hir_id.to_stable_hash_key(hcx) + fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash { + hcx.local_def_path_hash(self.def_id) } } impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for ImplItemId { - type KeyType = (DefPathHash, ItemLocalId); + type KeyType = DefPathHash; #[inline] - fn to_stable_hash_key(&self, hcx: &HirCtx) -> (DefPathHash, ItemLocalId) { - self.hir_id.to_stable_hash_key(hcx) + fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash { + hcx.local_def_path_hash(self.def_id) } } impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for ForeignItemId { - type KeyType = (DefPathHash, ItemLocalId); + type KeyType = DefPathHash; #[inline] - fn to_stable_hash_key(&self, hcx: &HirCtx) -> (DefPathHash, ItemLocalId) { - self.hir_id.to_stable_hash_key(hcx) + fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash { + hcx.local_def_path_hash(self.def_id) } } @@ -82,25 +91,25 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for BodyId { impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ItemId { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { - hcx.hash_reference_to_item(self.id, hasher) + hcx.hash_reference_to_item(self.hir_id(), hasher) } } impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ForeignItemId { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { - hcx.hash_reference_to_item(self.hir_id, hasher) + hcx.hash_reference_to_item(self.hir_id(), hasher) } } impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ImplItemId { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { - hcx.hash_reference_to_item(self.hir_id, hasher) + hcx.hash_reference_to_item(self.hir_id(), hasher) } } impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitItemId { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { - hcx.hash_reference_to_item(self.hir_id, hasher) + hcx.hash_reference_to_item(self.hir_id(), hasher) } } @@ -130,7 +139,7 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for VisibilityKind<'_> impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitItem<'_> { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { - let TraitItem { hir_id: _, ident, ref attrs, ref generics, ref kind, span } = *self; + let TraitItem { def_id: _, ident, ref attrs, ref generics, ref kind, span } = *self; hcx.hash_hir_item_like(|hcx| { ident.name.hash_stable(hcx, hasher); @@ -145,7 +154,7 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitItem<'_> { impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ImplItem<'_> { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { let ImplItem { - hir_id: _, + def_id: _, ident, ref vis, defaultness, @@ -167,9 +176,23 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ImplItem<'_> { } } +impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ForeignItem<'_> { + fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { + let ForeignItem { def_id: _, ident, ref attrs, ref kind, span, ref vis } = *self; + + hcx.hash_hir_item_like(|hcx| { + ident.name.hash_stable(hcx, hasher); + attrs.hash_stable(hcx, hasher); + kind.hash_stable(hcx, hasher); + span.hash_stable(hcx, hasher); + vis.hash_stable(hcx, hasher); + }); + } +} + impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for Item<'_> { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { - let Item { ident, ref attrs, hir_id: _, ref kind, ref vis, span } = *self; + let Item { ident, ref attrs, def_id: _, ref kind, ref vis, span } = *self; hcx.hash_hir_item_like(|hcx| { ident.name.hash_stable(hcx, hasher); @@ -180,3 +203,17 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for Item<'_> { }); } } + +impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for MacroDef<'_> { + fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { + let MacroDef { ident, ref attrs, def_id: _, ref ast, ref vis, span } = *self; + + hcx.hash_hir_item_like(|hcx| { + ident.name.hash_stable(hcx, hasher); + attrs.hash_stable(hcx, hasher); + ast.hash_stable(hcx, hasher); + vis.hash_stable(hcx, hasher); + span.hash_stable(hcx, hasher); + }); + } +} diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 4595855309f..416918e3344 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -54,7 +54,7 @@ pub const NO_ANN: &dyn PpAnn = &NoAnn; impl PpAnn for hir::Crate<'_> { fn nested(&self, state: &mut State<'_>, nested: Nested) { match nested { - Nested::Item(id) => state.print_item(self.item(id.id)), + Nested::Item(id) => state.print_item(self.item(id)), Nested::TraitItem(id) => state.print_trait_item(self.trait_item(id)), Nested::ImplItem(id) => state.print_impl_item(self.impl_item(id)), Nested::ForeignItem(id) => state.print_foreign_item(self.foreign_item(id)), @@ -69,7 +69,7 @@ impl PpAnn for hir::Crate<'_> { impl PpAnn for &dyn rustc_hir::intravisit::Map<'_> { fn nested(&self, state: &mut State<'_>, nested: Nested) { match nested { - Nested::Item(id) => state.print_item(self.item(id.id)), + Nested::Item(id) => state.print_item(self.item(id)), Nested::TraitItem(id) => state.print_trait_item(self.trait_item(id)), Nested::ImplItem(id) => state.print_impl_item(self.impl_item(id)), Nested::ForeignItem(id) => state.print_foreign_item(self.foreign_item(id)), @@ -392,7 +392,7 @@ impl<'a> State<'a> { &f.decl, None, &f.generic_params, - &f.param_names[..], + f.param_names, ); } hir::TyKind::OpaqueDef(..) => self.s.word("/*impl Trait*/"), @@ -934,7 +934,7 @@ impl<'a> State<'a> { } pub fn print_trait_item(&mut self, ti: &hir::TraitItem<'_>) { - self.ann.pre(self, AnnNode::SubItem(ti.hir_id)); + self.ann.pre(self, AnnNode::SubItem(ti.hir_id())); self.hardbreak_if_not_bol(); self.maybe_print_comment(ti.span.lo()); self.print_outer_attributes(&ti.attrs); @@ -969,11 +969,11 @@ impl<'a> State<'a> { ); } } - self.ann.post(self, AnnNode::SubItem(ti.hir_id)) + self.ann.post(self, AnnNode::SubItem(ti.hir_id())) } pub fn print_impl_item(&mut self, ii: &hir::ImplItem<'_>) { - self.ann.pre(self, AnnNode::SubItem(ii.hir_id)); + self.ann.pre(self, AnnNode::SubItem(ii.hir_id())); self.hardbreak_if_not_bol(); self.maybe_print_comment(ii.span.lo()); self.print_outer_attributes(&ii.attrs); @@ -995,7 +995,7 @@ impl<'a> State<'a> { self.print_associated_type(ii.ident, &ii.generics, None, Some(ty)); } } - self.ann.post(self, AnnNode::SubItem(ii.hir_id)) + self.ann.post(self, AnnNode::SubItem(ii.hir_id())) } pub fn print_local(&mut self, init: Option<&hir::Expr<'_>>, decl: impl Fn(&mut Self)) { @@ -1200,7 +1200,7 @@ impl<'a> State<'a> { self.s.word("{"); self.commasep_cmnt( Consistent, - &fields[..], + fields, |s, field| { s.ibox(INDENT_UNIT); if !field.is_shorthand { diff --git a/compiler/rustc_incremental/src/assert_dep_graph.rs b/compiler/rustc_incremental/src/assert_dep_graph.rs index f39a92b9a32..1162379d3d9 100644 --- a/compiler/rustc_incremental/src/assert_dep_graph.rs +++ b/compiler/rustc_incremental/src/assert_dep_graph.rs @@ -167,17 +167,17 @@ impl Visitor<'tcx> for IfThisChanged<'tcx> { } fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - self.process_attrs(item.hir_id, &item.attrs); + self.process_attrs(item.hir_id(), &item.attrs); intravisit::walk_item(self, item); } fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { - self.process_attrs(trait_item.hir_id, &trait_item.attrs); + self.process_attrs(trait_item.hir_id(), &trait_item.attrs); intravisit::walk_trait_item(self, trait_item); } fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { - self.process_attrs(impl_item.hir_id, &impl_item.attrs); + self.process_attrs(impl_item.hir_id(), &impl_item.attrs); intravisit::walk_impl_item(self, impl_item); } diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs index e1c60050d94..8a83149d732 100644 --- a/compiler/rustc_incremental/src/persist/dirty_clean.rs +++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs @@ -17,7 +17,7 @@ use rustc_ast::{self as ast, Attribute, NestedMetaItem}; use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; -use rustc_hir::def_id::DefId; +use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit; use rustc_hir::itemlikevisit::ItemLikeVisitor; use rustc_hir::Node as HirNode; @@ -179,7 +179,7 @@ pub struct DirtyCleanVisitor<'tcx> { impl DirtyCleanVisitor<'tcx> { /// Possibly "deserialize" the attribute into a clean/dirty assertion - fn assertion_maybe(&mut self, item_id: hir::HirId, attr: &Attribute) -> Option<Assertion> { + fn assertion_maybe(&mut self, item_id: LocalDefId, attr: &Attribute) -> Option<Assertion> { let is_clean = if self.tcx.sess.check_name(attr, sym::rustc_dirty) { false } else if self.tcx.sess.check_name(attr, sym::rustc_clean) { @@ -207,7 +207,7 @@ impl DirtyCleanVisitor<'tcx> { /// Gets the "auto" assertion on pre-validated attr, along with the `except` labels. fn assertion_auto( &mut self, - item_id: hir::HirId, + item_id: LocalDefId, attr: &Attribute, is_clean: bool, ) -> Assertion { @@ -253,8 +253,9 @@ impl DirtyCleanVisitor<'tcx> { /// Return all DepNode labels that should be asserted for this item. /// index=0 is the "name" used for error messages - fn auto_labels(&mut self, item_id: hir::HirId, attr: &Attribute) -> (&'static str, Labels) { - let node = self.tcx.hir().get(item_id); + fn auto_labels(&mut self, item_id: LocalDefId, attr: &Attribute) -> (&'static str, Labels) { + let hir_id = self.tcx.hir().local_def_id_to_hir_id(item_id); + let node = self.tcx.hir().get(hir_id); let (name, labels) = match node { HirNode::Item(item) => { match item.kind { @@ -430,18 +431,17 @@ impl DirtyCleanVisitor<'tcx> { } } - fn check_item(&mut self, item_id: hir::HirId, item_span: Span) { - let def_id = self.tcx.hir().local_def_id(item_id); - for attr in self.tcx.get_attrs(def_id.to_def_id()).iter() { + fn check_item(&mut self, item_id: LocalDefId, item_span: Span) { + for attr in self.tcx.get_attrs(item_id.to_def_id()).iter() { let assertion = match self.assertion_maybe(item_id, attr) { Some(a) => a, None => continue, }; self.checked_attrs.insert(attr.id); - for dep_node in self.dep_nodes(&assertion.clean, def_id.to_def_id()) { + for dep_node in self.dep_nodes(&assertion.clean, item_id.to_def_id()) { self.assert_clean(item_span, dep_node); } - for dep_node in self.dep_nodes(&assertion.dirty, def_id.to_def_id()) { + for dep_node in self.dep_nodes(&assertion.dirty, item_id.to_def_id()) { self.assert_dirty(item_span, dep_node); } } @@ -450,19 +450,19 @@ impl DirtyCleanVisitor<'tcx> { impl ItemLikeVisitor<'tcx> for DirtyCleanVisitor<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - self.check_item(item.hir_id, item.span); + self.check_item(item.def_id, item.span); } fn visit_trait_item(&mut self, item: &hir::TraitItem<'_>) { - self.check_item(item.hir_id, item.span); + self.check_item(item.def_id, item.span); } fn visit_impl_item(&mut self, item: &hir::ImplItem<'_>) { - self.check_item(item.hir_id, item.span); + self.check_item(item.def_id, item.span); } fn visit_foreign_item(&mut self, item: &hir::ForeignItem<'_>) { - self.check_item(item.hir_id, item.span); + self.check_item(item.def_id, item.span); } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index bd43d3c01e2..cb783847fd1 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -671,7 +671,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { if !impl_candidates.is_empty() && e.span.contains(span) { if let Some(expr) = exprs.first() { if let ExprKind::Path(hir::QPath::Resolved(_, path)) = expr.kind { - if let [path_segment] = &path.segments[..] { + if let [path_segment] = path.segments { let candidate_len = impl_candidates.len(); let suggestions = impl_candidates.iter().map(|candidate| { format!( diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs index cc8f1816bc3..0599c78ebfd 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs @@ -43,7 +43,7 @@ impl<'cx, 'tcx> NiceRegionError<'cx, 'tcx> { self.infcx.tcx } - pub fn try_report_from_nll(&self) -> Option<DiagnosticBuilder<'cx>> { + pub fn try_report_from_nll(&self) -> Option<DiagnosticBuilder<'tcx>> { // Due to the improved diagnostics returned by the MIR borrow checker, only a subset of // the nice region errors are required when running under the MIR borrow checker. self.try_report_named_anon_conflict().or_else(|| self.try_report_placeholder_conflict()) diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs index e3c613b1d6a..2f622231a08 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs @@ -9,7 +9,7 @@ use rustc_middle::ty; impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { /// When given a `ConcreteFailure` for a function with parameters containing a named region and /// an anonymous region, emit an descriptive diagnostic error. - pub(super) fn try_report_named_anon_conflict(&self) -> Option<DiagnosticBuilder<'a>> { + pub(super) fn try_report_named_anon_conflict(&self) -> Option<DiagnosticBuilder<'tcx>> { let (span, sub, sup) = self.regions()?; debug!( diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs index e8e0326d978..4aecc2f40b8 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs @@ -16,7 +16,7 @@ use std::fmt::{self, Write}; impl NiceRegionError<'me, 'tcx> { /// When given a `ConcreteFailure` for a function with arguments containing a named region and /// an anonymous region, emit a descriptive diagnostic error. - pub(super) fn try_report_placeholder_conflict(&self) -> Option<DiagnosticBuilder<'me>> { + pub(super) fn try_report_placeholder_conflict(&self) -> Option<DiagnosticBuilder<'tcx>> { match &self.error { /////////////////////////////////////////////////////////////////////////// // NB. The ordering of cases in this match is very @@ -30,157 +30,153 @@ impl NiceRegionError<'me, 'tcx> { Some(RegionResolutionError::SubSupConflict( vid, _, - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sub_placeholder @ ty::RePlaceholder(_), _, sup_placeholder @ ty::RePlaceholder(_), - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( + )) => self.try_report_trait_placeholder_mismatch( Some(self.tcx().mk_region(ty::ReVar(*vid))), cause, Some(sub_placeholder), Some(sup_placeholder), - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::SubSupConflict( vid, _, - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sub_placeholder @ ty::RePlaceholder(_), _, _, - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( + )) => self.try_report_trait_placeholder_mismatch( Some(self.tcx().mk_region(ty::ReVar(*vid))), cause, Some(sub_placeholder), None, - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::SubSupConflict( vid, _, - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), _, _, sup_placeholder @ ty::RePlaceholder(_), - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( + )) => self.try_report_trait_placeholder_mismatch( Some(self.tcx().mk_region(ty::ReVar(*vid))), cause, None, Some(*sup_placeholder), - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::SubSupConflict( vid, _, _, _, - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sup_placeholder @ ty::RePlaceholder(_), - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( + )) => self.try_report_trait_placeholder_mismatch( Some(self.tcx().mk_region(ty::ReVar(*vid))), cause, None, Some(*sup_placeholder), - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::UpperBoundUniverseConflict( vid, _, _, - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sup_placeholder @ ty::RePlaceholder(_), - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( + )) => self.try_report_trait_placeholder_mismatch( Some(self.tcx().mk_region(ty::ReVar(*vid))), cause, None, Some(*sup_placeholder), - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::ConcreteFailure( - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sub_region @ ty::RePlaceholder(_), sup_region @ ty::RePlaceholder(_), - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( + )) => self.try_report_trait_placeholder_mismatch( None, cause, Some(*sub_region), Some(*sup_region), - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::ConcreteFailure( - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sub_region @ ty::RePlaceholder(_), sup_region, - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( - Some(sup_region), + )) => self.try_report_trait_placeholder_mismatch( + (!sup_region.has_name()).then_some(sup_region), cause, - Some(*sub_region), + Some(sub_region), None, - expected.def_id, - expected.substs, - found.substs, - )), + values, + ), Some(RegionResolutionError::ConcreteFailure( - SubregionOrigin::Subtype(box TypeTrace { - cause, - values: ValuePairs::TraitRefs(ExpectedFound { expected, found }), - }), + SubregionOrigin::Subtype(box TypeTrace { cause, values }), sub_region, sup_region @ ty::RePlaceholder(_), - )) if expected.def_id == found.def_id => Some(self.try_report_placeholders_trait( - Some(sub_region), + )) => self.try_report_trait_placeholder_mismatch( + (!sub_region.has_name()).then_some(sub_region), cause, None, - Some(*sup_region), - expected.def_id, - expected.substs, - found.substs, - )), + Some(sup_region), + values, + ), _ => None, } } + fn try_report_trait_placeholder_mismatch( + &self, + vid: Option<ty::Region<'tcx>>, + cause: &ObligationCause<'tcx>, + sub_placeholder: Option<ty::Region<'tcx>>, + sup_placeholder: Option<ty::Region<'tcx>>, + value_pairs: &ValuePairs<'tcx>, + ) -> Option<DiagnosticBuilder<'tcx>> { + let (expected_substs, found_substs, trait_def_id) = match value_pairs { + ValuePairs::TraitRefs(ExpectedFound { expected, found }) + if expected.def_id == found.def_id => + { + (expected.substs, found.substs, expected.def_id) + } + ValuePairs::PolyTraitRefs(ExpectedFound { expected, found }) + if expected.def_id() == found.def_id() => + { + // It's possible that the placeholders come from a binder + // outside of this value pair. Use `no_bound_vars` as a + // simple heuristic for that. + (expected.no_bound_vars()?.substs, found.no_bound_vars()?.substs, expected.def_id()) + } + _ => return None, + }; + + Some(self.report_trait_placeholder_mismatch( + vid, + cause, + sub_placeholder, + sup_placeholder, + trait_def_id, + expected_substs, + found_substs, + )) + } + // error[E0308]: implementation of `Foo` does not apply to enough lifetimes // --> /home/nmatsakis/tmp/foo.rs:12:5 // | @@ -190,7 +186,8 @@ impl NiceRegionError<'me, 'tcx> { // = note: Due to a where-clause on the function `all`, // = note: `T` must implement `...` for any two lifetimes `'1` and `'2`. // = note: However, the type `T` only implements `...` for some specific lifetime `'2`. - fn try_report_placeholders_trait( + #[instrument(level = "debug", skip(self))] + fn report_trait_placeholder_mismatch( &self, vid: Option<ty::Region<'tcx>>, cause: &ObligationCause<'tcx>, @@ -199,28 +196,13 @@ impl NiceRegionError<'me, 'tcx> { trait_def_id: DefId, expected_substs: SubstsRef<'tcx>, actual_substs: SubstsRef<'tcx>, - ) -> DiagnosticBuilder<'me> { - debug!( - "try_report_placeholders_trait(\ - vid={:?}, \ - sub_placeholder={:?}, \ - sup_placeholder={:?}, \ - trait_def_id={:?}, \ - expected_substs={:?}, \ - actual_substs={:?})", - vid, sub_placeholder, sup_placeholder, trait_def_id, expected_substs, actual_substs - ); - + ) -> DiagnosticBuilder<'tcx> { let span = cause.span(self.tcx()); let msg = format!( "implementation of `{}` is not general enough", self.tcx().def_path_str(trait_def_id), ); let mut err = self.tcx().sess.struct_span_err(span, &msg); - err.span_label( - self.tcx().def_span(trait_def_id), - format!("trait `{}` defined here", self.tcx().def_path_str(trait_def_id)), - ); let leading_ellipsis = if let ObligationCauseCode::ItemObligation(def_id) = cause.code { err.span_label(span, "doesn't satisfy where-clause"); @@ -285,17 +267,13 @@ impl NiceRegionError<'me, 'tcx> { let any_self_ty_has_vid = actual_self_ty_has_vid || expected_self_ty_has_vid; - debug!("try_report_placeholders_trait: actual_has_vid={:?}", actual_has_vid); - debug!("try_report_placeholders_trait: expected_has_vid={:?}", expected_has_vid); - debug!("try_report_placeholders_trait: has_sub={:?}", has_sub); - debug!("try_report_placeholders_trait: has_sup={:?}", has_sup); debug!( - "try_report_placeholders_trait: actual_self_ty_has_vid={:?}", - actual_self_ty_has_vid - ); - debug!( - "try_report_placeholders_trait: expected_self_ty_has_vid={:?}", - expected_self_ty_has_vid + ?actual_has_vid, + ?expected_has_vid, + ?has_sub, + ?has_sup, + ?actual_self_ty_has_vid, + ?expected_self_ty_has_vid, ); self.explain_actual_impl_that_was_found( @@ -388,6 +366,8 @@ impl NiceRegionError<'me, 'tcx> { value: trait_ref, }; + let same_self_type = actual_trait_ref.self_ty() == expected_trait_ref.self_ty(); + let mut expected_trait_ref = highlight_trait_ref(expected_trait_ref); expected_trait_ref.highlight.maybe_highlighting_region(sub_placeholder, has_sub); expected_trait_ref.highlight.maybe_highlighting_region(sup_placeholder, has_sup); @@ -403,7 +383,42 @@ impl NiceRegionError<'me, 'tcx> { } }; - let mut note = if passive_voice { + let mut note = if same_self_type { + let mut self_ty = expected_trait_ref.map(|tr| tr.self_ty()); + self_ty.highlight.maybe_highlighting_region(vid, actual_has_vid); + + if self_ty.value.is_closure() + && self + .tcx() + .fn_trait_kind_from_lang_item(expected_trait_ref.value.def_id) + .is_some() + { + let closure_sig = self_ty.map(|closure| { + if let ty::Closure(_, substs) = closure.kind() { + self.tcx().signature_unclosure( + substs.as_closure().sig(), + rustc_hir::Unsafety::Normal, + ) + } else { + bug!("type is not longer closure"); + } + }); + + format!( + "{}closure with signature `{}` must implement `{}`", + if leading_ellipsis { "..." } else { "" }, + closure_sig, + expected_trait_ref.map(|tr| tr.print_only_trait_path()), + ) + } else { + format!( + "{}`{}` must implement `{}`", + if leading_ellipsis { "..." } else { "" }, + self_ty, + expected_trait_ref.map(|tr| tr.print_only_trait_path()), + ) + } + } else if passive_voice { format!( "{}`{}` would have to be implemented for the type `{}`", if leading_ellipsis { "..." } else { "" }, @@ -449,7 +464,12 @@ impl NiceRegionError<'me, 'tcx> { None => true, }; - let mut note = if passive_voice { + let mut note = if same_self_type { + format!( + "...but it actually implements `{}`", + actual_trait_ref.map(|tr| tr.print_only_trait_path()), + ) + } else if passive_voice { format!( "...but `{}` is actually implemented for the type `{}`", actual_trait_ref.map(|tr| tr.print_only_trait_path()), diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs index c6ae71ba330..fa0d5b83013 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs @@ -7,10 +7,7 @@ use crate::traits::{ObligationCauseCode, UnifyReceiverContext}; use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, ErrorReported}; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{walk_ty, ErasedMap, NestedVisitorMap, Visitor}; -use rustc_hir::{ - self as hir, GenericBound, ImplItem, Item, ItemKind, Lifetime, LifetimeName, Node, TraitItem, - TyKind, -}; +use rustc_hir::{self as hir, GenericBound, Item, ItemKind, Lifetime, LifetimeName, Node, TyKind}; use rustc_middle::ty::{self, AssocItemContainer, RegionKind, Ty, TypeFoldable, TypeVisitor}; use rustc_span::symbol::Ident; use rustc_span::{MultiSpan, Span}; @@ -234,7 +231,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { } match fn_return.kind { TyKind::OpaqueDef(item_id, _) => { - let item = tcx.hir().item(item_id.id); + let item = tcx.hir().item(item_id); let opaque = if let ItemKind::OpaqueTy(opaque) = &item.kind { opaque } else { @@ -343,17 +340,17 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { ) -> Option<(Ident, &'tcx hir::Ty<'tcx>)> { let tcx = self.tcx(); match tcx.hir().get_if_local(def_id) { - Some(Node::ImplItem(ImplItem { ident, hir_id, .. })) => { - match tcx.hir().find(tcx.hir().get_parent_item(*hir_id)) { + Some(Node::ImplItem(impl_item)) => { + match tcx.hir().find(tcx.hir().get_parent_item(impl_item.hir_id())) { Some(Node::Item(Item { kind: ItemKind::Impl(hir::Impl { self_ty, .. }), .. - })) => Some((*ident, self_ty)), + })) => Some((impl_item.ident, self_ty)), _ => None, } } - Some(Node::TraitItem(TraitItem { ident, hir_id, .. })) => { - let parent_id = tcx.hir().get_parent_item(*hir_id); + Some(Node::TraitItem(trait_item)) => { + let parent_id = tcx.hir().get_parent_item(trait_item.hir_id()); match tcx.hir().find(parent_id) { Some(Node::Item(Item { kind: ItemKind::Trait(..), .. })) => { // The method being called is defined in the `trait`, but the `'static` @@ -364,8 +361,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { .hir() .trait_impls(trait_did) .iter() - .filter_map(|impl_node| { - let impl_did = tcx.hir().local_def_id(*impl_node); + .filter_map(|&impl_did| { match tcx.hir().get_if_local(impl_did.to_def_id()) { Some(Node::Item(Item { kind: ItemKind::Impl(hir::Impl { self_ty, .. }), @@ -389,7 +385,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { }) .next() { - Some(self_ty) => Some((*ident, self_ty)), + Some(self_ty) => Some((trait_item.ident, self_ty)), _ => None, } } diff --git a/compiler/rustc_infer/src/infer/undo_log.rs b/compiler/rustc_infer/src/infer/undo_log.rs index 2cfd6bb904c..4be0e7948f7 100644 --- a/compiler/rustc_infer/src/infer/undo_log.rs +++ b/compiler/rustc_infer/src/infer/undo_log.rs @@ -15,7 +15,7 @@ pub struct Snapshot<'tcx> { _marker: PhantomData<&'tcx ()>, } -/// Records the 'undo' data fora single operation that affects some form of inference variable. +/// Records the "undo" data for a single operation that affects some form of inference variable. pub(crate) enum UndoLog<'tcx> { TypeVariables(type_variable::UndoLog<'tcx>), ConstUnificationTable(sv::UndoLog<ut::Delegate<ty::ConstVid<'tcx>>>), diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 56aa3939b22..544da4cd9aa 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -831,12 +831,11 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> { }, { par_iter(&tcx.hir().krate().modules).for_each(|(&module, _)| { - let local_def_id = tcx.hir().local_def_id(module); - tcx.ensure().check_mod_loops(local_def_id); - tcx.ensure().check_mod_attrs(local_def_id); - tcx.ensure().check_mod_naked_functions(local_def_id); - tcx.ensure().check_mod_unstable_api_usage(local_def_id); - tcx.ensure().check_mod_const_bodies(local_def_id); + tcx.ensure().check_mod_loops(module); + tcx.ensure().check_mod_attrs(module); + tcx.ensure().check_mod_naked_functions(module); + tcx.ensure().check_mod_unstable_api_usage(module); + tcx.ensure().check_mod_const_bodies(module); }); } ); @@ -861,10 +860,8 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> { // "not all control paths return a value" is reported here. // // maybe move the check to a MIR pass? - let local_def_id = tcx.hir().local_def_id(module); - - tcx.ensure().check_mod_liveness(local_def_id); - tcx.ensure().check_mod_intrinsics(local_def_id); + tcx.ensure().check_mod_liveness(module); + tcx.ensure().check_mod_intrinsics(module); }); }); } @@ -926,7 +923,7 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> { { sess.time("privacy_checking_modules", || { par_iter(&tcx.hir().krate().modules).for_each(|(&module, _)| { - tcx.ensure().check_mod_privacy(tcx.hir().local_def_id(module)); + tcx.ensure().check_mod_privacy(module); }); }); } diff --git a/compiler/rustc_interface/src/proc_macro_decls.rs b/compiler/rustc_interface/src/proc_macro_decls.rs index de08a4c8242..d0262935c89 100644 --- a/compiler/rustc_interface/src/proc_macro_decls.rs +++ b/compiler/rustc_interface/src/proc_macro_decls.rs @@ -26,7 +26,7 @@ struct Finder<'tcx> { impl<'v> ItemLikeVisitor<'v> for Finder<'_> { fn visit_item(&mut self, item: &hir::Item<'_>) { if self.tcx.sess.contains_name(&item.attrs, sym::rustc_proc_macro_decls) { - self.decls = Some(item.hir_id); + self.decls = Some(item.hir_id()); } } diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 20f581625dc..71017fcde87 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -36,9 +36,9 @@ use rustc_feature::{deprecated_attributes, AttributeGate, AttributeTemplate, Att use rustc_feature::{GateIssue, Stability}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::def_id::DefId; +use rustc_hir::def_id::{DefId, LocalDefId, LocalDefIdSet}; use rustc_hir::{ForeignItemKind, GenericParamKind, PatKind}; -use rustc_hir::{HirId, HirIdSet, Node}; +use rustc_hir::{HirId, Node}; use rustc_index::vec::Idx; use rustc_middle::lint::LintDiagnosticBuilder; use rustc_middle::ty::print::with_no_trimmed_paths; @@ -173,8 +173,7 @@ impl<'tcx> LateLintPass<'tcx> for BoxPointers { | hir::ItemKind::Enum(..) | hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) => { - let def_id = cx.tcx.hir().local_def_id(it.hir_id); - self.check_heap_type(cx, it.span, cx.tcx.type_of(def_id)) + self.check_heap_type(cx, it.span, cx.tcx.type_of(it.def_id)) } _ => (), } @@ -585,9 +584,9 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { hir::ItemKind::Trait(.., trait_item_refs) => { // Issue #11592: traits are always considered exported, even when private. if let hir::VisibilityKind::Inherited = it.vis.node { - self.private_traits.insert(it.hir_id); + self.private_traits.insert(it.hir_id()); for trait_item_ref in trait_item_refs { - self.private_traits.insert(trait_item_ref.id.hir_id); + self.private_traits.insert(trait_item_ref.id.hir_id()); } return; } @@ -601,7 +600,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { if let Some(Node::Item(item)) = cx.tcx.hir().find(hir_id) { if let hir::VisibilityKind::Inherited = item.vis.node { for impl_item_ref in items { - self.private_traits.insert(impl_item_ref.id.hir_id); + self.private_traits.insert(impl_item_ref.id.hir_id()); } } } @@ -621,23 +620,21 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { _ => return, }; - let def_id = cx.tcx.hir().local_def_id(it.hir_id); - let (article, desc) = cx.tcx.article_and_description(def_id.to_def_id()); + let (article, desc) = cx.tcx.article_and_description(it.def_id.to_def_id()); - self.check_missing_docs_attrs(cx, Some(it.hir_id), &it.attrs, it.span, article, desc); + self.check_missing_docs_attrs(cx, Some(it.hir_id()), &it.attrs, it.span, article, desc); } fn check_trait_item(&mut self, cx: &LateContext<'_>, trait_item: &hir::TraitItem<'_>) { - if self.private_traits.contains(&trait_item.hir_id) { + if self.private_traits.contains(&trait_item.hir_id()) { return; } - let def_id = cx.tcx.hir().local_def_id(trait_item.hir_id); - let (article, desc) = cx.tcx.article_and_description(def_id.to_def_id()); + let (article, desc) = cx.tcx.article_and_description(trait_item.def_id.to_def_id()); self.check_missing_docs_attrs( cx, - Some(trait_item.hir_id), + Some(trait_item.hir_id()), &trait_item.attrs, trait_item.span, article, @@ -647,15 +644,14 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) { // If the method is an impl for a trait, don't doc. - if method_context(cx, impl_item.hir_id) == MethodLateContext::TraitImpl { + if method_context(cx, impl_item.hir_id()) == MethodLateContext::TraitImpl { return; } - let def_id = cx.tcx.hir().local_def_id(impl_item.hir_id); - let (article, desc) = cx.tcx.article_and_description(def_id.to_def_id()); + let (article, desc) = cx.tcx.article_and_description(impl_item.def_id.to_def_id()); self.check_missing_docs_attrs( cx, - Some(impl_item.hir_id), + Some(impl_item.hir_id()), &impl_item.attrs, impl_item.span, article, @@ -664,11 +660,10 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { } fn check_foreign_item(&mut self, cx: &LateContext<'_>, foreign_item: &hir::ForeignItem<'_>) { - let def_id = cx.tcx.hir().local_def_id(foreign_item.hir_id); - let (article, desc) = cx.tcx.article_and_description(def_id.to_def_id()); + let (article, desc) = cx.tcx.article_and_description(foreign_item.def_id.to_def_id()); self.check_missing_docs_attrs( cx, - Some(foreign_item.hir_id), + Some(foreign_item.hir_id()), &foreign_item.attrs, foreign_item.span, article, @@ -732,7 +727,7 @@ declare_lint_pass!(MissingCopyImplementations => [MISSING_COPY_IMPLEMENTATIONS]) impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations { fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) { - if !cx.access_levels.is_reachable(item.hir_id) { + if !cx.access_levels.is_reachable(item.hir_id()) { return; } let (def, ty) = match item.kind { @@ -740,21 +735,21 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations { if !ast_generics.params.is_empty() { return; } - let def = cx.tcx.adt_def(cx.tcx.hir().local_def_id(item.hir_id)); + let def = cx.tcx.adt_def(item.def_id); (def, cx.tcx.mk_adt(def, cx.tcx.intern_substs(&[]))) } hir::ItemKind::Union(_, ref ast_generics) => { if !ast_generics.params.is_empty() { return; } - let def = cx.tcx.adt_def(cx.tcx.hir().local_def_id(item.hir_id)); + let def = cx.tcx.adt_def(item.def_id); (def, cx.tcx.mk_adt(def, cx.tcx.intern_substs(&[]))) } hir::ItemKind::Enum(_, ref ast_generics) => { if !ast_generics.params.is_empty() { return; } - let def = cx.tcx.adt_def(cx.tcx.hir().local_def_id(item.hir_id)); + let def = cx.tcx.adt_def(item.def_id); (def, cx.tcx.mk_adt(def, cx.tcx.intern_substs(&[]))) } _ => return, @@ -812,14 +807,14 @@ declare_lint! { #[derive(Default)] pub struct MissingDebugImplementations { - impling_types: Option<HirIdSet>, + impling_types: Option<LocalDefIdSet>, } impl_lint_pass!(MissingDebugImplementations => [MISSING_DEBUG_IMPLEMENTATIONS]); impl<'tcx> LateLintPass<'tcx> for MissingDebugImplementations { fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) { - if !cx.access_levels.is_reachable(item.hir_id) { + if !cx.access_levels.is_reachable(item.hir_id()) { return; } @@ -834,11 +829,11 @@ impl<'tcx> LateLintPass<'tcx> for MissingDebugImplementations { }; if self.impling_types.is_none() { - let mut impls = HirIdSet::default(); + let mut impls = LocalDefIdSet::default(); cx.tcx.for_each_impl(debug, |d| { if let Some(ty_def) = cx.tcx.type_of(d).ty_adt_def() { if let Some(def_id) = ty_def.did.as_local() { - impls.insert(cx.tcx.hir().local_def_id_to_hir_id(def_id)); + impls.insert(def_id); } } }); @@ -847,7 +842,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDebugImplementations { debug!("{:?}", self.impling_types); } - if !self.impling_types.as_ref().unwrap().contains(&item.hir_id) { + if !self.impling_types.as_ref().unwrap().contains(&item.def_id) { cx.struct_span_lint(MISSING_DEBUG_IMPLEMENTATIONS, item.span, |lint| { lint.build(&format!( "type does not implement `{}`; consider adding `#[derive(Debug)]` \ @@ -1362,14 +1357,14 @@ impl UnreachablePub { impl<'tcx> LateLintPass<'tcx> for UnreachablePub { fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) { - self.perform_lint(cx, "item", item.hir_id, &item.vis, item.span, true); + self.perform_lint(cx, "item", item.hir_id(), &item.vis, item.span, true); } fn check_foreign_item(&mut self, cx: &LateContext<'_>, foreign_item: &hir::ForeignItem<'tcx>) { self.perform_lint( cx, "item", - foreign_item.hir_id, + foreign_item.hir_id(), &foreign_item.vis, foreign_item.span, true, @@ -1381,7 +1376,7 @@ impl<'tcx> LateLintPass<'tcx> for UnreachablePub { } fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) { - self.perform_lint(cx, "item", impl_item.hir_id, &impl_item.vis, impl_item.span, false); + self.perform_lint(cx, "item", impl_item.hir_id(), &impl_item.vis, impl_item.span, false); } } @@ -1603,8 +1598,7 @@ impl<'tcx> LateLintPass<'tcx> for TrivialConstraints { use rustc_middle::ty::PredicateKind::*; if cx.tcx.features().trivial_bounds { - let def_id = cx.tcx.hir().local_def_id(item.hir_id); - let predicates = cx.tcx.predicates_of(def_id); + let predicates = cx.tcx.predicates_of(item.def_id); for &(predicate, span) in predicates.predicates { let predicate_kind_name = match predicate.kind().skip_binder() { Trait(..) => "Trait", @@ -1810,7 +1804,7 @@ declare_lint! { } pub struct UnnameableTestItems { - boundary: Option<hir::HirId>, // HirId of the item under which things are not nameable + boundary: Option<LocalDefId>, // Id of the item under which things are not nameable items_nameable: bool, } @@ -1828,7 +1822,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnameableTestItems { if let hir::ItemKind::Mod(..) = it.kind { } else { self.items_nameable = false; - self.boundary = Some(it.hir_id); + self.boundary = Some(it.def_id); } return; } @@ -1841,7 +1835,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnameableTestItems { } fn check_item_post(&mut self, _cx: &LateContext<'_>, it: &hir::Item<'_>) { - if !self.items_nameable && self.boundary == Some(it.hir_id) { + if !self.items_nameable && self.boundary == Some(it.def_id) { self.items_nameable = true; } } @@ -2125,7 +2119,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements { use rustc_middle::middle::resolve_lifetime::Region; let infer_static = cx.tcx.features().infer_static_outlives_requirements; - let def_id = cx.tcx.hir().local_def_id(item.hir_id); + let def_id = item.def_id; if let hir::ItemKind::Struct(_, ref hir_generics) | hir::ItemKind::Enum(_, ref hir_generics) | hir::ItemKind::Union(_, ref hir_generics) = item.kind @@ -2680,10 +2674,7 @@ impl ClashingExternDeclarations { /// Insert a new foreign item into the seen set. If a symbol with the same name already exists /// for the item, return its HirId without updating the set. fn insert(&mut self, tcx: TyCtxt<'_>, fi: &hir::ForeignItem<'_>) -> Option<HirId> { - let hid = fi.hir_id; - - let local_did = tcx.hir().local_def_id(fi.hir_id); - let did = local_did.to_def_id(); + let did = fi.def_id.to_def_id(); let instance = Instance::new(did, ty::List::identity_for_item(tcx, did)); let name = Symbol::intern(tcx.symbol_name(instance).name); if let Some(&hir_id) = self.seen_decls.get(&name) { @@ -2692,7 +2683,7 @@ impl ClashingExternDeclarations { // This lets us avoid emitting "knock-on" diagnostics. Some(hir_id) } else { - self.seen_decls.insert(name, hid) + self.seen_decls.insert(name, fi.hir_id()) } } @@ -2700,16 +2691,15 @@ impl ClashingExternDeclarations { /// the name specified in a #[link_name = ...] attribute if one was specified, else, just the /// symbol's name. fn name_of_extern_decl(tcx: TyCtxt<'_>, fi: &hir::ForeignItem<'_>) -> SymbolName { - let did = tcx.hir().local_def_id(fi.hir_id); if let Some((overridden_link_name, overridden_link_name_span)) = - tcx.codegen_fn_attrs(did).link_name.map(|overridden_link_name| { + tcx.codegen_fn_attrs(fi.def_id).link_name.map(|overridden_link_name| { // FIXME: Instead of searching through the attributes again to get span // information, we could have codegen_fn_attrs also give span information back for // where the attribute was defined. However, until this is found to be a // bottleneck, this does just fine. ( overridden_link_name, - tcx.get_attrs(did.to_def_id()) + tcx.get_attrs(fi.def_id.to_def_id()) .iter() .find(|at| tcx.sess.check_name(at, sym::link_name)) .unwrap() @@ -2937,10 +2927,10 @@ impl<'tcx> LateLintPass<'tcx> for ClashingExternDeclarations { let tcx = cx.tcx; if let Some(existing_hid) = self.insert(tcx, this_fi) { let existing_decl_ty = tcx.type_of(tcx.hir().local_def_id(existing_hid)); - let this_decl_ty = tcx.type_of(tcx.hir().local_def_id(this_fi.hir_id)); + let this_decl_ty = tcx.type_of(this_fi.def_id); debug!( "ClashingExternDeclarations: Comparing existing {:?}: {:?} to this {:?}: {:?}", - existing_hid, existing_decl_ty, this_fi.hir_id, this_decl_ty + existing_hid, existing_decl_ty, this_fi.def_id, this_decl_ty ); // Check that the declarations match. if !Self::structurally_same_type( @@ -2962,7 +2952,7 @@ impl<'tcx> LateLintPass<'tcx> for ClashingExternDeclarations { // Finally, emit the diagnostic. tcx.struct_span_lint_hir( CLASHING_EXTERN_DECLARATIONS, - this_fi.hir_id, + this_fi.hir_id(), get_relevant_span(this_fi), |lint| { let mut expected_str = DiagnosticStyledString::new(); diff --git a/compiler/rustc_lint/src/late.rs b/compiler/rustc_lint/src/late.rs index 3821a393efb..e019b621aa3 100644 --- a/compiler/rustc_lint/src/late.rs +++ b/compiler/rustc_lint/src/late.rs @@ -142,8 +142,8 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas self.context.generics = it.kind.generics(); let old_cached_typeck_results = self.context.cached_typeck_results.take(); let old_enclosing_body = self.context.enclosing_body.take(); - self.with_lint_attrs(it.hir_id, &it.attrs, |cx| { - cx.with_param_env(it.hir_id, |cx| { + self.with_lint_attrs(it.hir_id(), &it.attrs, |cx| { + cx.with_param_env(it.hir_id(), |cx| { lint_callback!(cx, check_item, it); hir_visit::walk_item(cx, it); lint_callback!(cx, check_item_post, it); @@ -155,8 +155,8 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas } fn visit_foreign_item(&mut self, it: &'tcx hir::ForeignItem<'tcx>) { - self.with_lint_attrs(it.hir_id, &it.attrs, |cx| { - cx.with_param_env(it.hir_id, |cx| { + self.with_lint_attrs(it.hir_id(), &it.attrs, |cx| { + cx.with_param_env(it.hir_id(), |cx| { lint_callback!(cx, check_foreign_item, it); hir_visit::walk_foreign_item(cx, it); lint_callback!(cx, check_foreign_item_post, it); @@ -178,7 +178,7 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas } fn visit_stmt(&mut self, s: &'tcx hir::Stmt<'tcx>) { - let get_item = |id: hir::ItemId| self.context.tcx.hir().item(id.id); + let get_item = |id: hir::ItemId| self.context.tcx.hir().item(id); let attrs = &s.kind.attrs(get_item); // See `EarlyContextAndPass::visit_stmt` for an explanation // of why we call `walk_stmt` outside of `with_lint_attrs` @@ -301,8 +301,8 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { let generics = self.context.generics.take(); self.context.generics = Some(&trait_item.generics); - self.with_lint_attrs(trait_item.hir_id, &trait_item.attrs, |cx| { - cx.with_param_env(trait_item.hir_id, |cx| { + self.with_lint_attrs(trait_item.hir_id(), &trait_item.attrs, |cx| { + cx.with_param_env(trait_item.hir_id(), |cx| { lint_callback!(cx, check_trait_item, trait_item); hir_visit::walk_trait_item(cx, trait_item); lint_callback!(cx, check_trait_item_post, trait_item); @@ -314,8 +314,8 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { let generics = self.context.generics.take(); self.context.generics = Some(&impl_item.generics); - self.with_lint_attrs(impl_item.hir_id, &impl_item.attrs, |cx| { - cx.with_param_env(impl_item.hir_id, |cx| { + self.with_lint_attrs(impl_item.hir_id(), &impl_item.attrs, |cx| { + cx.with_param_env(impl_item.hir_id(), |cx| { lint_callback!(cx, check_impl_item, impl_item); hir_visit::walk_impl_item(cx, impl_item); lint_callback!(cx, check_impl_item_post, impl_item); @@ -496,7 +496,7 @@ pub fn check_crate<'tcx, T: LateLintPass<'tcx>>( tcx.sess.time("module_lints", || { // Run per-module lints par_iter(&tcx.hir().krate().modules).for_each(|(&module, _)| { - tcx.ensure().lint_mod(tcx.hir().local_def_id(module)); + tcx.ensure().lint_mod(module); }); }); }, diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index 1fc2bd09167..cc5b7ef0987 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -41,7 +41,7 @@ fn lint_levels(tcx: TyCtxt<'_>, cnum: CrateNum) -> LintLevelMap { let push = builder.levels.push(&krate.item.attrs, &store, true); builder.levels.register_id(hir::CRATE_HIR_ID); for macro_def in krate.exported_macros { - builder.levels.register_id(macro_def.hir_id); + builder.levels.register_id(macro_def.hir_id()); } intravisit::walk_crate(&mut builder, krate); builder.levels.pop(push); @@ -577,13 +577,13 @@ impl<'tcx> intravisit::Visitor<'tcx> for LintLevelMapBuilder<'_, 'tcx> { } fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) { - self.with_lint_attrs(it.hir_id, &it.attrs, |builder| { + self.with_lint_attrs(it.hir_id(), &it.attrs, |builder| { intravisit::walk_item(builder, it); }); } fn visit_foreign_item(&mut self, it: &'tcx hir::ForeignItem<'tcx>) { - self.with_lint_attrs(it.hir_id, &it.attrs, |builder| { + self.with_lint_attrs(it.hir_id(), &it.attrs, |builder| { intravisit::walk_foreign_item(builder, it); }) } @@ -631,13 +631,13 @@ impl<'tcx> intravisit::Visitor<'tcx> for LintLevelMapBuilder<'_, 'tcx> { } fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { - self.with_lint_attrs(trait_item.hir_id, &trait_item.attrs, |builder| { + self.with_lint_attrs(trait_item.hir_id(), &trait_item.attrs, |builder| { intravisit::walk_trait_item(builder, trait_item); }); } fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { - self.with_lint_attrs(impl_item.hir_id, &impl_item.attrs, |builder| { + self.with_lint_attrs(impl_item.hir_id(), &impl_item.attrs, |builder| { intravisit::walk_impl_item(builder, impl_item); }); } diff --git a/compiler/rustc_lint/src/traits.rs b/compiler/rustc_lint/src/traits.rs index b031c1108c6..e632f29e672 100644 --- a/compiler/rustc_lint/src/traits.rs +++ b/compiler/rustc_lint/src/traits.rs @@ -47,8 +47,7 @@ impl<'tcx> LateLintPass<'tcx> for DropTraitConstraints { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) { use rustc_middle::ty::PredicateKind::*; - let def_id = cx.tcx.hir().local_def_id(item.hir_id); - let predicates = cx.tcx.explicit_predicates_of(def_id); + let predicates = cx.tcx.explicit_predicates_of(item.def_id); for &(predicate, span) in predicates.predicates { let trait_predicate = match predicate.kind().skip_binder() { Trait(trait_predicate, _constness) => trait_predicate, diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index af0f5565572..792655ff35a 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -225,7 +225,7 @@ fn report_bin_hex_error( (t.name_str(), actually.to_string()) } }; - let mut err = lint.build(&format!("literal out of range for {}", t)); + let mut err = lint.build(&format!("literal out of range for `{}`", t)); err.note(&format!( "the literal `{}` (decimal `{}`) does not fit into \ the type `{}` and will become `{}{}`", @@ -238,12 +238,12 @@ fn report_bin_hex_error( let (sans_suffix, _) = repr_str.split_at(pos); err.span_suggestion( expr.span, - &format!("consider using `{}` instead", sugg_ty), + &format!("consider using the type `{}` instead", sugg_ty), format!("{}{}", sans_suffix, sugg_ty), Applicability::MachineApplicable, ); } else { - err.help(&format!("consider using `{}` instead", sugg_ty)); + err.help(&format!("consider using the type `{}` instead", sugg_ty)); } } err.emit(); @@ -338,18 +338,23 @@ fn lint_int_literal<'tcx>( } cx.struct_span_lint(OVERFLOWING_LITERALS, e.span, |lint| { - lint.build(&format!("literal out of range for `{}`", t.name_str())) - .note(&format!( - "the literal `{}` does not fit into the type `{}` whose range is `{}..={}`", - cx.sess() - .source_map() - .span_to_snippet(lit.span) - .expect("must get snippet from literal"), - t.name_str(), - min, - max, - )) - .emit(); + let mut err = lint.build(&format!("literal out of range for `{}`", t.name_str())); + err.note(&format!( + "the literal `{}` does not fit into the type `{}` whose range is `{}..={}`", + cx.sess() + .source_map() + .span_to_snippet(lit.span) + .expect("must get snippet from literal"), + t.name_str(), + min, + max, + )); + if let Some(sugg_ty) = + get_type_suggestion(&cx.typeck_results().node_type(e.hir_id), v, negative) + { + err.help(&format!("consider using the type `{}` instead", sugg_ty)); + } + err.emit(); }); } } @@ -1262,15 +1267,15 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { impl<'tcx> LateLintPass<'tcx> for ImproperCTypesDeclarations { fn check_foreign_item(&mut self, cx: &LateContext<'_>, it: &hir::ForeignItem<'_>) { let mut vis = ImproperCTypesVisitor { cx, mode: CItemKind::Declaration }; - let abi = cx.tcx.hir().get_foreign_abi(it.hir_id); + let abi = cx.tcx.hir().get_foreign_abi(it.hir_id()); if !vis.is_internal_abi(abi) { match it.kind { hir::ForeignItemKind::Fn(ref decl, _, _) => { - vis.check_foreign_fn(it.hir_id, decl); + vis.check_foreign_fn(it.hir_id(), decl); } hir::ForeignItemKind::Static(ref ty, _) => { - vis.check_foreign_static(it.hir_id, ty.span); + vis.check_foreign_static(it.hir_id(), ty.span); } hir::ForeignItemKind::Type => (), } @@ -1308,8 +1313,7 @@ declare_lint_pass!(VariantSizeDifferences => [VARIANT_SIZE_DIFFERENCES]); impl<'tcx> LateLintPass<'tcx> for VariantSizeDifferences { fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) { if let hir::ItemKind::Enum(ref enum_definition, _) = it.kind { - let item_def_id = cx.tcx.hir().local_def_id(it.hir_id); - let t = cx.tcx.type_of(item_def_id); + let t = cx.tcx.type_of(it.def_id); let ty = cx.tcx.erase_regions(t); let layout = match cx.layout_of(ty) { Ok(layout) => layout, diff --git a/compiler/rustc_metadata/src/foreign_modules.rs b/compiler/rustc_metadata/src/foreign_modules.rs index 4785b6c379c..3d3071c18f2 100644 --- a/compiler/rustc_metadata/src/foreign_modules.rs +++ b/compiler/rustc_metadata/src/foreign_modules.rs @@ -4,29 +4,24 @@ use rustc_middle::middle::cstore::ForeignModule; use rustc_middle::ty::TyCtxt; crate fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> { - let mut collector = Collector { tcx, modules: Vec::new() }; + let mut collector = Collector { modules: Vec::new() }; tcx.hir().krate().visit_all_item_likes(&mut collector); collector.modules } -struct Collector<'tcx> { - tcx: TyCtxt<'tcx>, +struct Collector { modules: Vec<ForeignModule>, } -impl ItemLikeVisitor<'tcx> for Collector<'tcx> { +impl ItemLikeVisitor<'tcx> for Collector { fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) { let items = match it.kind { hir::ItemKind::ForeignMod { items, .. } => items, _ => return, }; - let foreign_items = - items.iter().map(|it| self.tcx.hir().local_def_id(it.id.hir_id).to_def_id()).collect(); - self.modules.push(ForeignModule { - foreign_items, - def_id: self.tcx.hir().local_def_id(it.hir_id).to_def_id(), - }); + let foreign_items = items.iter().map(|it| it.id.def_id.to_def_id()).collect(); + self.modules.push(ForeignModule { foreign_items, def_id: it.def_id.to_def_id() }); } fn visit_trait_item(&mut self, _it: &'tcx hir::TraitItem<'tcx>) {} diff --git a/compiler/rustc_metadata/src/native_libs.rs b/compiler/rustc_metadata/src/native_libs.rs index 8d0994320e3..4d63b6d074a 100644 --- a/compiler/rustc_metadata/src/native_libs.rs +++ b/compiler/rustc_metadata/src/native_libs.rs @@ -53,7 +53,7 @@ impl ItemLikeVisitor<'tcx> for Collector<'tcx> { name: None, kind: NativeLibKind::Unspecified, cfg: None, - foreign_module: Some(self.tcx.hir().local_def_id(it.hir_id).to_def_id()), + foreign_module: Some(it.def_id.to_def_id()), wasm_import_module: None, }; let mut kind_specified = false; diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 14ca51008be..3314385dbf0 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -7,7 +7,9 @@ use rustc_data_structures::stable_hasher::StableHasher; use rustc_data_structures::sync::{join, par_iter, Lrc, ParallelIterator}; use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind}; -use rustc_hir::def_id::{CrateNum, DefId, DefIndex, LocalDefId, CRATE_DEF_INDEX, LOCAL_CRATE}; +use rustc_hir::def_id::{ + CrateNum, DefId, DefIndex, LocalDefId, CRATE_DEF_ID, CRATE_DEF_INDEX, LOCAL_CRATE, +}; use rustc_hir::definitions::DefPathData; use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor}; use rustc_hir::itemlikevisit::ItemLikeVisitor; @@ -431,7 +433,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { fn encode_info_for_items(&mut self) { let krate = self.tcx.hir().krate(); - self.encode_info_for_mod(hir::CRATE_HIR_ID, &krate.item.module); + self.encode_info_for_mod(CRATE_DEF_ID, &krate.item.module); // Proc-macro crates only export proc-macro items, which are looked // up using `proc_macro_data` @@ -866,7 +868,7 @@ impl EncodeContext<'a, 'tcx> { fn encode_variances_of(&mut self, def_id: DefId) { debug!("EncodeContext::encode_variances_of({:?})", def_id); - record!(self.tables.variances[def_id] <- &self.tcx.variances_of(def_id)[..]); + record!(self.tables.variances[def_id] <- self.tcx.variances_of(def_id)); } fn encode_item_type(&mut self, def_id: DefId) { @@ -932,9 +934,8 @@ impl EncodeContext<'a, 'tcx> { self.encode_inferred_outlives(def_id); } - fn encode_info_for_mod(&mut self, id: hir::HirId, md: &hir::Mod<'_>) { + fn encode_info_for_mod(&mut self, local_def_id: LocalDefId, md: &hir::Mod<'_>) { let tcx = self.tcx; - let local_def_id = tcx.hir().local_def_id(id); let def_id = local_def_id.to_def_id(); debug!("EncodeContext::encode_info_for_mod({:?})", def_id); @@ -969,7 +970,7 @@ impl EncodeContext<'a, 'tcx> { record!(self.tables.children[def_id] <- &[]); } else { record!(self.tables.children[def_id] <- md.item_ids.iter().map(|item_id| { - tcx.hir().local_def_id(item_id.id).local_def_index + item_id.def_id.local_def_index })); } } @@ -1312,7 +1313,7 @@ impl EncodeContext<'a, 'tcx> { EntryKind::Fn(self.lazy(data)) } hir::ItemKind::Mod(ref m) => { - return self.encode_info_for_mod(item.hir_id, m); + return self.encode_info_for_mod(item.def_id, m); } hir::ItemKind::ForeignMod { .. } => EntryKind::ForeignMod, hir::ItemKind::GlobalAsm(..) => EntryKind::GlobalAsm, @@ -1410,8 +1411,7 @@ impl EncodeContext<'a, 'tcx> { hir::ItemKind::ForeignMod { items, .. } => record!(self.tables.children[def_id] <- items .iter() - .map(|foreign_item| tcx.hir().local_def_id( - foreign_item.id.hir_id).local_def_index) + .map(|foreign_item| foreign_item.id.def_id.local_def_index) ), hir::ItemKind::Enum(..) => record!(self.tables.children[def_id] <- self.tcx.adt_def(def_id).variants.iter().map(|v| { @@ -1494,7 +1494,7 @@ impl EncodeContext<'a, 'tcx> { /// Serialize the text of exported macros fn encode_info_for_macro_def(&mut self, macro_def: &hir::MacroDef<'_>) { - let def_id = self.tcx.hir().local_def_id(macro_def.hir_id).to_def_id(); + let def_id = macro_def.def_id.to_def_id(); record!(self.tables.kind[def_id] <- EntryKind::MacroDef(self.lazy(macro_def.ast.clone()))); self.encode_ident_span(def_id, macro_def.ident); } @@ -1850,17 +1850,15 @@ impl Visitor<'tcx> for EncodeContext<'a, 'tcx> { } fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { intravisit::walk_item(self, item); - let def_id = self.tcx.hir().local_def_id(item.hir_id); match item.kind { hir::ItemKind::ExternCrate(_) | hir::ItemKind::Use(..) => {} // ignore these - _ => self.encode_info_for_item(def_id.to_def_id(), item), + _ => self.encode_info_for_item(item.def_id.to_def_id(), item), } self.encode_addl_info_for_item(item); } fn visit_foreign_item(&mut self, ni: &'tcx hir::ForeignItem<'tcx>) { intravisit::walk_foreign_item(self, ni); - let def_id = self.tcx.hir().local_def_id(ni.hir_id); - self.encode_info_for_foreign_item(def_id.to_def_id(), ni); + self.encode_info_for_foreign_item(ni.def_id.to_def_id(), ni); } fn visit_generics(&mut self, generics: &'tcx hir::Generics<'tcx>) { intravisit::walk_generics(self, generics); @@ -1920,7 +1918,6 @@ impl EncodeContext<'a, 'tcx> { /// so it's easier to do that here then to wait until we would encounter /// normally in the visitor walk. fn encode_addl_info_for_item(&mut self, item: &hir::Item<'_>) { - let def_id = self.tcx.hir().local_def_id(item.hir_id); match item.kind { hir::ItemKind::Static(..) | hir::ItemKind::Const(..) @@ -1936,7 +1933,7 @@ impl EncodeContext<'a, 'tcx> { // no sub-item recording needed in these cases } hir::ItemKind::Enum(..) => { - let def = self.tcx.adt_def(def_id.to_def_id()); + let def = self.tcx.adt_def(item.def_id.to_def_id()); self.encode_fields(def); for (i, variant) in def.variants.iter_enumerated() { @@ -1948,7 +1945,7 @@ impl EncodeContext<'a, 'tcx> { } } hir::ItemKind::Struct(ref struct_def, _) => { - let def = self.tcx.adt_def(def_id.to_def_id()); + let def = self.tcx.adt_def(item.def_id.to_def_id()); self.encode_fields(def); // If the struct has a constructor, encode it. @@ -1958,18 +1955,19 @@ impl EncodeContext<'a, 'tcx> { } } hir::ItemKind::Union(..) => { - let def = self.tcx.adt_def(def_id.to_def_id()); + let def = self.tcx.adt_def(item.def_id.to_def_id()); self.encode_fields(def); } hir::ItemKind::Impl { .. } => { for &trait_item_def_id in - self.tcx.associated_item_def_ids(def_id.to_def_id()).iter() + self.tcx.associated_item_def_ids(item.def_id.to_def_id()).iter() { self.encode_info_for_impl_item(trait_item_def_id); } } hir::ItemKind::Trait(..) => { - for &item_def_id in self.tcx.associated_item_def_ids(def_id.to_def_id()).iter() { + for &item_def_id in self.tcx.associated_item_def_ids(item.def_id.to_def_id()).iter() + { self.encode_info_for_trait_item(item_def_id); } } @@ -1985,15 +1983,14 @@ struct ImplVisitor<'tcx> { impl<'tcx, 'v> ItemLikeVisitor<'v> for ImplVisitor<'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { if let hir::ItemKind::Impl { .. } = item.kind { - let impl_id = self.tcx.hir().local_def_id(item.hir_id); - if let Some(trait_ref) = self.tcx.impl_trait_ref(impl_id.to_def_id()) { + if let Some(trait_ref) = self.tcx.impl_trait_ref(item.def_id.to_def_id()) { let simplified_self_ty = ty::fast_reject::simplify_type(self.tcx, trait_ref.self_ty(), false); self.impls .entry(trait_ref.def_id) .or_default() - .push((impl_id.local_def_index, simplified_self_ty)); + .push((item.def_id.local_def_index, simplified_self_ty)); } } } diff --git a/compiler/rustc_middle/src/hir/map/blocks.rs b/compiler/rustc_middle/src/hir/map/blocks.rs index 9d392c7b26b..9222ce1015e 100644 --- a/compiler/rustc_middle/src/hir/map/blocks.rs +++ b/compiler/rustc_middle/src/hir/map/blocks.rs @@ -215,7 +215,7 @@ impl<'a> FnLikeNode<'a> { match self.node { Node::Item(i) => match i.kind { hir::ItemKind::Fn(ref sig, ref generics, block) => item_fn(ItemFnParts { - id: i.hir_id, + id: i.hir_id(), ident: i.ident, decl: &sig.decl, body: block, @@ -229,13 +229,13 @@ impl<'a> FnLikeNode<'a> { }, Node::TraitItem(ti) => match ti.kind { hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(body)) => { - method(ti.hir_id, ti.ident, sig, None, body, ti.span, &ti.attrs) + method(ti.hir_id(), ti.ident, sig, None, body, ti.span, &ti.attrs) } _ => bug!("trait method FnLikeNode that is not fn-like"), }, Node::ImplItem(ii) => match ii.kind { hir::ImplItemKind::Fn(ref sig, body) => { - method(ii.hir_id, ii.ident, sig, Some(&ii.vis), body, ii.span, &ii.attrs) + method(ii.hir_id(), ii.ident, sig, Some(&ii.vis), body, ii.span, &ii.attrs) } _ => bug!("impl method FnLikeNode that is not fn-like"), }, diff --git a/compiler/rustc_middle/src/hir/map/collector.rs b/compiler/rustc_middle/src/hir/map/collector.rs index 872fcb0f581..a5ffa9c7a54 100644 --- a/compiler/rustc_middle/src/hir/map/collector.rs +++ b/compiler/rustc_middle/src/hir/map/collector.rs @@ -55,22 +55,19 @@ fn insert_vec_map<K: Idx, V: Clone>(map: &mut IndexVec<K, Option<V>>, k: K, v: V map[k] = Some(v); } -fn hash( - hcx: &mut StableHashingContext<'_>, - input: impl for<'a> HashStable<StableHashingContext<'a>>, -) -> Fingerprint { - let mut stable_hasher = StableHasher::new(); - input.hash_stable(hcx, &mut stable_hasher); - stable_hasher.finish() -} - fn hash_body( hcx: &mut StableHashingContext<'_>, def_path_hash: DefPathHash, item_like: impl for<'a> HashStable<StableHashingContext<'a>>, hir_body_nodes: &mut Vec<(DefPathHash, Fingerprint)>, ) -> Fingerprint { - let hash = hash(hcx, HirItemLike { item_like: &item_like }); + let hash = { + let mut stable_hasher = StableHasher::new(); + hcx.while_hashing_hir_bodies(true, |hcx| { + item_like.hash_stable(hcx, &mut stable_hasher); + }); + stable_hasher.finish() + }; hir_body_nodes.push((def_path_hash, hash)); hash } @@ -309,7 +306,7 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { fn visit_nested_item(&mut self, item: ItemId) { debug!("visit_nested_item: {:?}", item); - self.visit_item(self.krate.item(item.id)); + self.visit_item(self.krate.item(item)); } fn visit_nested_trait_item(&mut self, item_id: TraitItemId) { @@ -338,13 +335,10 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { fn visit_item(&mut self, i: &'hir Item<'hir>) { debug!("visit_item: {:?}", i); - debug_assert_eq!( - i.hir_id.owner, - self.definitions.opt_hir_id_to_local_def_id(i.hir_id).unwrap() - ); - self.with_dep_node_owner(i.hir_id.owner, i, |this, hash| { - this.insert_with_hash(i.span, i.hir_id, Node::Item(i), hash); - this.with_parent(i.hir_id, |this| { + self.with_dep_node_owner(i.def_id, i, |this, hash| { + let hir_id = i.hir_id(); + this.insert_with_hash(i.span, hir_id, Node::Item(i), hash); + this.with_parent(hir_id, |this| { if let ItemKind::Struct(ref struct_def, _) = i.kind { // If this is a tuple or unit-like struct, register the constructor. if let Some(ctor_hir_id) = struct_def.ctor_hir_id() { @@ -357,14 +351,10 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { } fn visit_foreign_item(&mut self, fi: &'hir ForeignItem<'hir>) { - debug_assert_eq!( - fi.hir_id.owner, - self.definitions.opt_hir_id_to_local_def_id(fi.hir_id).unwrap() - ); - self.with_dep_node_owner(fi.hir_id.owner, fi, |this, hash| { - this.insert_with_hash(fi.span, fi.hir_id, Node::ForeignItem(fi), hash); + self.with_dep_node_owner(fi.def_id, fi, |this, hash| { + this.insert_with_hash(fi.span, fi.hir_id(), Node::ForeignItem(fi), hash); - this.with_parent(fi.hir_id, |this| { + this.with_parent(fi.hir_id(), |this| { intravisit::walk_foreign_item(this, fi); }); }); @@ -394,28 +384,20 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { } fn visit_trait_item(&mut self, ti: &'hir TraitItem<'hir>) { - debug_assert_eq!( - ti.hir_id.owner, - self.definitions.opt_hir_id_to_local_def_id(ti.hir_id).unwrap() - ); - self.with_dep_node_owner(ti.hir_id.owner, ti, |this, hash| { - this.insert_with_hash(ti.span, ti.hir_id, Node::TraitItem(ti), hash); + self.with_dep_node_owner(ti.def_id, ti, |this, hash| { + this.insert_with_hash(ti.span, ti.hir_id(), Node::TraitItem(ti), hash); - this.with_parent(ti.hir_id, |this| { + this.with_parent(ti.hir_id(), |this| { intravisit::walk_trait_item(this, ti); }); }); } fn visit_impl_item(&mut self, ii: &'hir ImplItem<'hir>) { - debug_assert_eq!( - ii.hir_id.owner, - self.definitions.opt_hir_id_to_local_def_id(ii.hir_id).unwrap() - ); - self.with_dep_node_owner(ii.hir_id.owner, ii, |this, hash| { - this.insert_with_hash(ii.span, ii.hir_id, Node::ImplItem(ii), hash); + self.with_dep_node_owner(ii.def_id, ii, |this, hash| { + this.insert_with_hash(ii.span, ii.hir_id(), Node::ImplItem(ii), hash); - this.with_parent(ii.hir_id, |this| { + this.with_parent(ii.hir_id(), |this| { intravisit::walk_impl_item(this, ii); }); }); @@ -532,15 +514,15 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { // Exported macros are visited directly from the crate root, // so they do not have `parent_node` set. // Find the correct enclosing module from their DefKey. - let def_key = self.definitions.def_key(macro_def.hir_id.owner); + let def_key = self.definitions.def_key(macro_def.def_id); let parent = def_key.parent.map_or(hir::CRATE_HIR_ID, |local_def_index| { self.definitions.local_def_id_to_hir_id(LocalDefId { local_def_index }) }); self.with_parent(parent, |this| { - this.with_dep_node_owner(macro_def.hir_id.owner, macro_def, |this, hash| { + this.with_dep_node_owner(macro_def.def_id, macro_def, |this, hash| { this.insert_with_hash( macro_def.span, - macro_def.hir_id, + macro_def.hir_id(), Node::MacroDef(macro_def), hash, ); @@ -590,18 +572,3 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { self.visit_nested_foreign_item(id); } } - -struct HirItemLike<T> { - item_like: T, -} - -impl<'hir, T> HashStable<StableHashingContext<'hir>> for HirItemLike<T> -where - T: HashStable<StableHashingContext<'hir>>, -{ - fn hash_stable(&self, hcx: &mut StableHashingContext<'hir>, hasher: &mut StableHasher) { - hcx.while_hashing_hir_bodies(true, |hcx| { - self.item_like.hash_stable(hcx, hasher); - }); - } -} diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 251f8c0afe6..5c2bd575e7d 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -300,29 +300,29 @@ impl<'hir> Map<'hir> { self.find_entry(id).unwrap() } - pub fn item(&self, id: HirId) -> &'hir Item<'hir> { - match self.find(id).unwrap() { + pub fn item(&self, id: ItemId) -> &'hir Item<'hir> { + match self.find(id.hir_id()).unwrap() { Node::Item(item) => item, _ => bug!(), } } pub fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir> { - match self.find(id.hir_id).unwrap() { + match self.find(id.hir_id()).unwrap() { Node::TraitItem(item) => item, _ => bug!(), } } pub fn impl_item(&self, id: ImplItemId) -> &'hir ImplItem<'hir> { - match self.find(id.hir_id).unwrap() { + match self.find(id.hir_id()).unwrap() { Node::ImplItem(item) => item, _ => bug!(), } } pub fn foreign_item(&self, id: ForeignItemId) -> &'hir ForeignItem<'hir> { - match self.find(id.hir_id).unwrap() { + match self.find(id.hir_id()).unwrap() { Node::ForeignItem(item) => item, _ => bug!(), } @@ -449,7 +449,7 @@ impl<'hir> Map<'hir> { } } - pub fn trait_impls(&self, trait_did: DefId) -> &'hir [HirId] { + pub fn trait_impls(&self, trait_did: DefId) -> &'hir [LocalDefId] { self.tcx.all_local_trait_impls(LOCAL_CRATE).get(&trait_did).map_or(&[], |xs| &xs[..]) } @@ -479,19 +479,19 @@ impl<'hir> Map<'hir> { let module = self.tcx.hir_module_items(module); for id in &module.items { - visitor.visit_item(self.expect_item(*id)); + visitor.visit_item(self.item(*id)); } for id in &module.trait_items { - visitor.visit_trait_item(self.expect_trait_item(id.hir_id)); + visitor.visit_trait_item(self.trait_item(*id)); } for id in &module.impl_items { - visitor.visit_impl_item(self.expect_impl_item(id.hir_id)); + visitor.visit_impl_item(self.impl_item(*id)); } for id in &module.foreign_items { - visitor.visit_foreign_item(self.expect_foreign_item(id.hir_id)); + visitor.visit_foreign_item(self.foreign_item(*id)); } } @@ -500,7 +500,7 @@ impl<'hir> Map<'hir> { V: Visitor<'hir>, { for id in self.krate().exported_macros { - visitor.visit_macro_def(self.expect_macro_def(id.hir_id)); + visitor.visit_macro_def(self.expect_macro_def(id.hir_id())); } } @@ -854,22 +854,22 @@ impl<'hir> Map<'hir> { /// corresponding to the node-ID. pub fn attrs(&self, id: HirId) -> &'hir [ast::Attribute] { self.find_entry(id).map_or(&[], |entry| match entry.node { - Node::Param(a) => &a.attrs[..], + Node::Param(a) => a.attrs, Node::Local(l) => &l.attrs[..], - Node::Item(i) => &i.attrs[..], - Node::ForeignItem(fi) => &fi.attrs[..], - Node::TraitItem(ref ti) => &ti.attrs[..], - Node::ImplItem(ref ii) => &ii.attrs[..], - Node::Variant(ref v) => &v.attrs[..], - Node::Field(ref f) => &f.attrs[..], + Node::Item(i) => i.attrs, + Node::ForeignItem(fi) => fi.attrs, + Node::TraitItem(ref ti) => ti.attrs, + Node::ImplItem(ref ii) => ii.attrs, + Node::Variant(ref v) => v.attrs, + Node::Field(ref f) => f.attrs, Node::Expr(ref e) => &*e.attrs, - Node::Stmt(ref s) => s.kind.attrs(|id| self.item(id.id)), + Node::Stmt(ref s) => s.kind.attrs(|id| self.item(id)), Node::Arm(ref a) => &*a.attrs, - Node::GenericParam(param) => ¶m.attrs[..], + Node::GenericParam(param) => param.attrs, // Unit/tuple structs/variants take the attributes straight from // the struct/variant definition. Node::Ctor(..) => self.attrs(self.get_parent_item(id)), - Node::Crate(item) => &item.attrs[..], + Node::Crate(item) => item.attrs, Node::MacroDef(def) => def.attrs, Node::AnonConst(..) | Node::PathSegment(..) @@ -977,7 +977,7 @@ impl<'hir> intravisit::Map<'hir> for Map<'hir> { self.body(id) } - fn item(&self, id: HirId) -> &'hir Item<'hir> { + fn item(&self, id: ItemId) -> &'hir Item<'hir> { self.item(id) } @@ -994,47 +994,6 @@ impl<'hir> intravisit::Map<'hir> for Map<'hir> { } } -trait Named { - fn name(&self) -> Symbol; -} - -impl<T: Named> Named for Spanned<T> { - fn name(&self) -> Symbol { - self.node.name() - } -} - -impl Named for Item<'_> { - fn name(&self) -> Symbol { - self.ident.name - } -} -impl Named for ForeignItem<'_> { - fn name(&self) -> Symbol { - self.ident.name - } -} -impl Named for Variant<'_> { - fn name(&self) -> Symbol { - self.ident.name - } -} -impl Named for StructField<'_> { - fn name(&self) -> Symbol { - self.ident.name - } -} -impl Named for TraitItem<'_> { - fn name(&self) -> Symbol { - self.ident.name - } -} -impl Named for ImplItem<'_> { - fn name(&self) -> Symbol { - self.ident.name - } -} - pub(super) fn index_hir<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> &'tcx IndexedHir<'tcx> { assert_eq!(cnum, LOCAL_CRATE); diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index 6934e06d4c2..5f9cf8771ea 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -73,11 +73,7 @@ pub fn provide(providers: &mut Providers) { }; providers.hir_crate = |tcx, _| tcx.untracked_crate; providers.index_hir = map::index_hir; - providers.hir_module_items = |tcx, id| { - let hir = tcx.hir(); - let module = hir.local_def_id_to_hir_id(id); - &tcx.untracked_crate.modules[&module] - }; + providers.hir_module_items = |tcx, id| &tcx.untracked_crate.modules[&id]; providers.hir_owner = |tcx, id| tcx.index_hir(LOCAL_CRATE).map[id].signature; providers.hir_owner_nodes = |tcx, id| tcx.index_hir(LOCAL_CRATE).map[id].with_bodies.as_deref(); providers.def_span = |tcx, def_id| tcx.hir().span_if_local(def_id).unwrap_or(DUMMY_SP); diff --git a/compiler/rustc_middle/src/ich/impls_hir.rs b/compiler/rustc_middle/src/ich/impls_hir.rs index d6c6cef1751..5ef70a89051 100644 --- a/compiler/rustc_middle/src/ich/impls_hir.rs +++ b/compiler/rustc_middle/src/ich/impls_hir.rs @@ -55,8 +55,7 @@ impl<'ctx> rustc_hir::HashStableContext for StableHashingContext<'ctx> { let item_ids_hash = item_ids .iter() .map(|id| { - let (def_path_hash, local_id) = id.id.to_stable_hash_key(hcx); - debug_assert_eq!(local_id, hir::ItemLocalId::from_u32(0)); + let def_path_hash = id.to_stable_hash_key(hcx); def_path_hash.0 }) .fold(Fingerprint::ZERO, |a, b| a.combine_commutative(b)); diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs index cf931ece712..26ce3c2c3db 100644 --- a/compiler/rustc_middle/src/mir/interpret/error.rs +++ b/compiler/rustc_middle/src/mir/interpret/error.rs @@ -40,29 +40,45 @@ pub fn struct_error<'tcx>(tcx: TyCtxtAt<'tcx>, msg: &str) -> DiagnosticBuilder<' struct_span_err!(tcx.sess, tcx.span, E0080, "{}", msg) } +#[cfg(target_arch = "x86_64")] +static_assert_size!(InterpErrorInfo<'_>, 8); + /// Packages the kind of error we got from the const code interpreter /// up with a Rust-level backtrace of where the error occurred. /// Thsese should always be constructed by calling `.into()` on /// a `InterpError`. In `librustc_mir::interpret`, we have `throw_err_*` /// macros for this. #[derive(Debug)] -pub struct InterpErrorInfo<'tcx> { - pub kind: InterpError<'tcx>, +pub struct InterpErrorInfo<'tcx>(Box<InterpErrorInfoInner<'tcx>>); + +#[derive(Debug)] +struct InterpErrorInfoInner<'tcx> { + kind: InterpError<'tcx>, backtrace: Option<Box<Backtrace>>, } impl fmt::Display for InterpErrorInfo<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(f, "{}", self.kind) + write!(f, "{}", self.0.kind) } } -impl InterpErrorInfo<'_> { +impl InterpErrorInfo<'tcx> { pub fn print_backtrace(&self) { - if let Some(backtrace) = self.backtrace.as_ref() { + if let Some(backtrace) = self.0.backtrace.as_ref() { print_backtrace(backtrace); } } + + pub fn into_kind(self) -> InterpError<'tcx> { + let InterpErrorInfo(box InterpErrorInfoInner { kind, .. }) = self; + kind + } + + #[inline] + pub fn kind(&self) -> &InterpError<'tcx> { + &self.0.kind + } } fn print_backtrace(backtrace: &Backtrace) { @@ -108,7 +124,7 @@ impl<'tcx> From<InterpError<'tcx>> for InterpErrorInfo<'tcx> { } }; - InterpErrorInfo { kind, backtrace } + InterpErrorInfo(Box::new(InterpErrorInfoInner { kind, backtrace })) } } diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index eb13c89544c..6c2468b9ffe 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -7,7 +7,7 @@ use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LOCAL_CRATE}; -use rustc_hir::HirId; +use rustc_hir::{HirId, ItemId}; use rustc_session::config::OptLevel; use rustc_span::source_map::Span; use rustc_span::symbol::Symbol; @@ -43,7 +43,7 @@ pub enum InstantiationMode { pub enum MonoItem<'tcx> { Fn(Instance<'tcx>), Static(DefId), - GlobalAsm(HirId), + GlobalAsm(ItemId), } impl<'tcx> MonoItem<'tcx> { @@ -71,9 +71,8 @@ impl<'tcx> MonoItem<'tcx> { match *self { MonoItem::Fn(instance) => tcx.symbol_name(instance), MonoItem::Static(def_id) => tcx.symbol_name(Instance::mono(tcx, def_id)), - MonoItem::GlobalAsm(hir_id) => { - let def_id = tcx.hir().local_def_id(hir_id); - SymbolName::new(tcx, &format!("global_asm_{:?}", def_id)) + MonoItem::GlobalAsm(item_id) => { + SymbolName::new(tcx, &format!("global_asm_{:?}", item_id.def_id)) } } } @@ -178,7 +177,7 @@ impl<'tcx> MonoItem<'tcx> { MonoItem::Static(def_id) => { def_id.as_local().map(|def_id| tcx.hir().local_def_id_to_hir_id(def_id)) } - MonoItem::GlobalAsm(hir_id) => Some(hir_id), + MonoItem::GlobalAsm(item_id) => Some(item_id.hir_id()), } .map(|hir_id| tcx.hir().span(hir_id)) } @@ -195,9 +194,9 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for MonoItem<'tcx> { MonoItem::Static(def_id) => { def_id.hash_stable(hcx, hasher); } - MonoItem::GlobalAsm(node_id) => { + MonoItem::GlobalAsm(item_id) => { hcx.with_node_id_hashing_mode(NodeIdHashingMode::HashDefPath, |hcx| { - node_id.hash_stable(hcx, hasher); + item_id.hash_stable(hcx, hasher); }) } } @@ -351,7 +350,7 @@ impl<'tcx> CodegenUnit<'tcx> { MonoItem::Static(def_id) => { def_id.as_local().map(|def_id| tcx.hir().local_def_id_to_hir_id(def_id)) } - MonoItem::GlobalAsm(hir_id) => Some(hir_id), + MonoItem::GlobalAsm(item_id) => Some(item_id.hir_id()), }, item.symbol_name(tcx), ) diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index f0166ec2167..475f47c65bd 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -956,7 +956,7 @@ rustc_queries! { /// Passing in any other crate will cause an ICE. /// /// [`LOCAL_CRATE`]: rustc_hir::def_id::LOCAL_CRATE - query all_local_trait_impls(local_crate: CrateNum) -> &'tcx BTreeMap<DefId, Vec<hir::HirId>> { + query all_local_trait_impls(local_crate: CrateNum) -> &'tcx BTreeMap<DefId, Vec<LocalDefId>> { desc { "local trait impls" } } diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index 4a131a4ec05..3b7dc25b6cf 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -289,7 +289,7 @@ impl<'v> hir::intravisit::Visitor<'v> for TraitObjectVisitor<'v> { } hir::TyKind::OpaqueDef(item_id, _) => { self.0.push(ty); - let item = self.1.expect_item(item_id.id); + let item = self.1.item(item_id); hir::intravisit::walk_item(self, item); } _ => {} diff --git a/compiler/rustc_middle/src/ty/error.rs b/compiler/rustc_middle/src/ty/error.rs index 4f359caf31d..a6db2e3aa28 100644 --- a/compiler/rustc_middle/src/ty/error.rs +++ b/compiler/rustc_middle/src/ty/error.rs @@ -821,7 +821,7 @@ fn foo(&self) -> Self::T { String::new() } // an assoc type as a return type (#72076). if let hir::Defaultness::Default { has_value: true } = item.defaultness { - if self.type_of(self.hir().local_def_id(item.id.hir_id)) == found { + if self.type_of(item.id.def_id) == found { db.span_label( item.span, "associated type defaults can't be assumed inside the \ @@ -841,7 +841,7 @@ fn foo(&self) -> Self::T { String::new() } })) => { for item in &items[..] { if let hir::AssocItemKind::Type = item.kind { - if self.type_of(self.hir().local_def_id(item.id.hir_id)) == found { + if self.type_of(item.id.def_id) == found { db.span_label(item.span, "expected this associated type"); return true; } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index a8d9995bd0b..286041a7c54 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -2107,11 +2107,9 @@ fn for_each_def(tcx: TyCtxt<'_>, mut collect_fn: impl for<'b> FnMut(&'b Ident, N continue; } - if let Some(local_def_id) = hir.definitions().opt_hir_id_to_local_def_id(item.hir_id) { - let def_id = local_def_id.to_def_id(); - let ns = tcx.def_kind(def_id).ns().unwrap_or(Namespace::TypeNS); - collect_fn(&item.ident, ns, def_id); - } + let def_id = item.def_id.to_def_id(); + let ns = tcx.def_kind(def_id).ns().unwrap_or(Namespace::TypeNS); + collect_fn(&item.ident, ns, def_id); } // Now take care of extern crate items. diff --git a/compiler/rustc_middle/src/ty/query/on_disk_cache.rs b/compiler/rustc_middle/src/ty/query/on_disk_cache.rs index b41edb5deeb..efe04786933 100644 --- a/compiler/rustc_middle/src/ty/query/on_disk_cache.rs +++ b/compiler/rustc_middle/src/ty/query/on_disk_cache.rs @@ -427,7 +427,7 @@ impl<'sess> OnDiskCache<'sess> { fn sorted_cnums_including_local_crate(tcx: TyCtxt<'_>) -> Vec<CrateNum> { let mut cnums = vec![LOCAL_CRATE]; - cnums.extend_from_slice(&tcx.crates()[..]); + cnums.extend_from_slice(tcx.crates()); cnums.sort_unstable(); // Just to be sure... cnums.dedup(); diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index f4d7eac0ae2..ce17a724e25 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -4,9 +4,8 @@ use crate::ty::fast_reject; use crate::ty::fold::TypeFoldable; use crate::ty::{Ty, TyCtxt}; use rustc_hir as hir; -use rustc_hir::def_id::{CrateNum, DefId}; +use rustc_hir::def_id::{CrateNum, DefId, LocalDefId}; use rustc_hir::definitions::DefPathHash; -use rustc_hir::HirId; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; @@ -201,7 +200,7 @@ impl<'tcx> TyCtxt<'tcx> { pub(super) fn all_local_trait_impls<'tcx>( tcx: TyCtxt<'tcx>, krate: CrateNum, -) -> &'tcx BTreeMap<DefId, Vec<HirId>> { +) -> &'tcx BTreeMap<DefId, Vec<LocalDefId>> { &tcx.hir_crate(krate).trait_impls } @@ -229,8 +228,8 @@ pub(super) fn trait_impls_of_provider(tcx: TyCtxt<'_>, trait_id: DefId) -> Trait } } - for &hir_id in tcx.hir().trait_impls(trait_id) { - let impl_def_id = tcx.hir().local_def_id(hir_id).to_def_id(); + for &impl_def_id in tcx.hir().trait_impls(trait_id) { + let impl_def_id = impl_def_id.to_def_id(); let impl_self_ty = tcx.type_of(impl_def_id); if impl_self_ty.references_error() { diff --git a/compiler/rustc_mir/src/borrow_check/diagnostics/region_name.rs b/compiler/rustc_mir/src/borrow_check/diagnostics/region_name.rs index cbca012824f..03738f1b40a 100644 --- a/compiler/rustc_mir/src/borrow_check/diagnostics/region_name.rs +++ b/compiler/rustc_mir/src/borrow_check/diagnostics/region_name.rs @@ -634,14 +634,11 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { | GenericArgKind::Const(_), _, ) => { - // I *think* that HIR lowering should ensure this - // doesn't happen, even in erroneous - // programs. Else we should use delay-span-bug. - span_bug!( + // HIR lowering sometimes doesn't catch this in erroneous + // programs, so we need to use delay_span_bug here. See #82126. + self.infcx.tcx.sess.delay_span_bug( hir_arg.span(), - "unmatched subst and hir arg: found {:?} vs {:?}", - kind, - hir_arg, + &format!("unmatched subst and hir arg: found {:?} vs {:?}", kind, hir_arg), ); } } @@ -767,7 +764,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { let hir = self.infcx.tcx.hir(); if let hir::TyKind::OpaqueDef(id, _) = hir_ty.kind { - let opaque_ty = hir.item(id.id); + let opaque_ty = hir.item(id); if let hir::ItemKind::OpaqueTy(hir::OpaqueTy { bounds: [hir::GenericBound::LangItemTrait( diff --git a/compiler/rustc_mir/src/const_eval/error.rs b/compiler/rustc_mir/src/const_eval/error.rs index 88af9391cad..754ed0bea84 100644 --- a/compiler/rustc_mir/src/const_eval/error.rs +++ b/compiler/rustc_mir/src/const_eval/error.rs @@ -84,7 +84,11 @@ impl<'tcx> ConstEvalErr<'tcx> { { error.print_backtrace(); let stacktrace = ecx.generate_stacktrace(); - ConstEvalErr { error: error.kind, stacktrace, span: span.unwrap_or_else(|| ecx.cur_span()) } + ConstEvalErr { + error: error.into_kind(), + stacktrace, + span: span.unwrap_or_else(|| ecx.cur_span()), + } } pub fn struct_error( diff --git a/compiler/rustc_mir/src/const_eval/eval_queries.rs b/compiler/rustc_mir/src/const_eval/eval_queries.rs index ed450c0c2a0..0f1c2b87426 100644 --- a/compiler/rustc_mir/src/const_eval/eval_queries.rs +++ b/compiler/rustc_mir/src/const_eval/eval_queries.rs @@ -230,7 +230,7 @@ pub fn eval_to_const_value_raw_provider<'tcx>( }; return eval_nullary_intrinsic(tcx, key.param_env, def_id, substs).map_err(|error| { let span = tcx.def_span(def_id); - let error = ConstEvalErr { error: error.kind, stacktrace: vec![], span }; + let error = ConstEvalErr { error: error.into_kind(), stacktrace: vec![], span }; error.report_as_error(tcx.at(span), "could not evaluate nullary intrinsic") }); } diff --git a/compiler/rustc_mir/src/const_eval/machine.rs b/compiler/rustc_mir/src/const_eval/machine.rs index f6b950c08c7..8e75481e323 100644 --- a/compiler/rustc_mir/src/const_eval/machine.rs +++ b/compiler/rustc_mir/src/const_eval/machine.rs @@ -245,8 +245,8 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, Ok(Some(match ecx.load_mir(instance.def, None) { Ok(body) => body, Err(err) => { - if let err_unsup!(NoMirFor(did)) = err.kind { - let path = ecx.tcx.def_path_str(did); + if let err_unsup!(NoMirFor(did)) = err.kind() { + let path = ecx.tcx.def_path_str(*did); return Err(ConstEvalErrKind::NeedsRfc(format!( "calling extern function `{}`", path diff --git a/compiler/rustc_mir/src/interpret/intern.rs b/compiler/rustc_mir/src/interpret/intern.rs index 6904ea5b77d..7993d4847a7 100644 --- a/compiler/rustc_mir/src/interpret/intern.rs +++ b/compiler/rustc_mir/src/interpret/intern.rs @@ -356,7 +356,7 @@ where // an allocation, which we should avoid. When that happens, // dedicated error variants should be introduced instead. assert!( - !error.kind.allocates(), + !error.kind().allocates(), "interning encountered allocating error: {}", error ); diff --git a/compiler/rustc_mir/src/interpret/validity.rs b/compiler/rustc_mir/src/interpret/validity.rs index dac8ddccad6..ce803c0d485 100644 --- a/compiler/rustc_mir/src/interpret/validity.rs +++ b/compiler/rustc_mir/src/interpret/validity.rs @@ -11,7 +11,7 @@ use std::ops::RangeInclusive; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; -use rustc_middle::mir::interpret::{InterpError, InterpErrorInfo}; +use rustc_middle::mir::interpret::InterpError; use rustc_middle::ty; use rustc_middle::ty::layout::TyAndLayout; use rustc_span::symbol::{sym, Symbol}; @@ -83,14 +83,17 @@ macro_rules! try_validation { Ok(x) => x, // We catch the error and turn it into a validation failure. We are okay with // allocation here as this can only slow down builds that fail anyway. - $( $( Err(InterpErrorInfo { kind: $p, .. }) )|+ => - throw_validation_failure!( - $where, - { $( $what_fmt ),+ } $( expected { $( $expected_fmt ),+ } )? - ), - )+ - #[allow(unreachable_patterns)] - Err(e) => Err::<!, _>(e)?, + Err(e) => match e.kind() { + $( + $($p)|+ => + throw_validation_failure!( + $where, + { $( $what_fmt ),+ } $( expected { $( $expected_fmt ),+ } )? + ) + ),+, + #[allow(unreachable_patterns)] + _ => Err::<!, _>(e)?, + } } }}; } @@ -586,8 +589,11 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' self.path, err_unsup!(ReadPointerAsBytes) => { "part of a pointer" } expected { "a proper pointer or integer value" }, ); + // Make sure we print a `ScalarMaybeUninit` (and not an `ImmTy`) in the error + // message below. + let value = value.to_scalar_or_uninit(); let _fn = try_validation!( - value.to_scalar().and_then(|ptr| self.ecx.memory.get_fn(ptr)), + value.check_init().and_then(|ptr| self.ecx.memory.get_fn(ptr)), self.path, err_ub!(DanglingIntPointer(..)) | err_ub!(InvalidFunctionPointer(..)) | @@ -874,7 +880,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueVisitor<'mir, 'tcx, M> Err(err) => { // For some errors we might be able to provide extra information. // (This custom logic does not fit the `try_validation!` macro.) - match err.kind { + match err.kind() { err_ub!(InvalidUninitBytes(Some(access))) => { // Some byte was uninitialized, determine which // element that byte belongs to so we can @@ -932,10 +938,10 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { match visitor.visit_value(op) { Ok(()) => Ok(()), // Pass through validation failures. - Err(err) if matches!(err.kind, err_ub!(ValidationFailure { .. })) => Err(err), + Err(err) if matches!(err.kind(), err_ub!(ValidationFailure { .. })) => Err(err), // Also pass through InvalidProgram, those just indicate that we could not // validate and each caller will know best what to do with them. - Err(err) if matches!(err.kind, InterpError::InvalidProgram(_)) => Err(err), + Err(err) if matches!(err.kind(), InterpError::InvalidProgram(_)) => Err(err), // Avoid other errors as those do not show *where* in the value the issue lies. Err(err) => { err.print_backtrace(); diff --git a/compiler/rustc_mir/src/monomorphize/collector.rs b/compiler/rustc_mir/src/monomorphize/collector.rs index 75f80f69bea..20cb989196a 100644 --- a/compiler/rustc_mir/src/monomorphize/collector.rs +++ b/compiler/rustc_mir/src/monomorphize/collector.rs @@ -1013,13 +1013,12 @@ impl ItemLikeVisitor<'v> for RootCollector<'_, 'v> { | hir::ItemKind::Union(_, ref generics) => { if generics.params.is_empty() { if self.mode == MonoItemCollectionMode::Eager { - let def_id = self.tcx.hir().local_def_id(item.hir_id); debug!( "RootCollector: ADT drop-glue for {}", - self.tcx.def_path_str(def_id.to_def_id()) + self.tcx.def_path_str(item.def_id.to_def_id()) ); - let ty = Instance::new(def_id.to_def_id(), InternalSubsts::empty()) + let ty = Instance::new(item.def_id.to_def_id(), InternalSubsts::empty()) .ty(self.tcx, ty::ParamEnv::reveal_all()); visit_drop_use(self.tcx, ty, true, DUMMY_SP, self.output); } @@ -1028,29 +1027,28 @@ impl ItemLikeVisitor<'v> for RootCollector<'_, 'v> { hir::ItemKind::GlobalAsm(..) => { debug!( "RootCollector: ItemKind::GlobalAsm({})", - self.tcx.def_path_str(self.tcx.hir().local_def_id(item.hir_id).to_def_id()) + self.tcx.def_path_str(item.def_id.to_def_id()) ); - self.output.push(dummy_spanned(MonoItem::GlobalAsm(item.hir_id))); + self.output.push(dummy_spanned(MonoItem::GlobalAsm(item.item_id()))); } hir::ItemKind::Static(..) => { - let def_id = self.tcx.hir().local_def_id(item.hir_id).to_def_id(); - debug!("RootCollector: ItemKind::Static({})", self.tcx.def_path_str(def_id)); - self.output.push(dummy_spanned(MonoItem::Static(def_id))); + debug!( + "RootCollector: ItemKind::Static({})", + self.tcx.def_path_str(item.def_id.to_def_id()) + ); + self.output.push(dummy_spanned(MonoItem::Static(item.def_id.to_def_id()))); } hir::ItemKind::Const(..) => { // const items only generate mono items if they are // actually used somewhere. Just declaring them is insufficient. // but even just declaring them must collect the items they refer to - let def_id = self.tcx.hir().local_def_id(item.hir_id); - - if let Ok(val) = self.tcx.const_eval_poly(def_id.to_def_id()) { + if let Ok(val) = self.tcx.const_eval_poly(item.def_id.to_def_id()) { collect_const_value(self.tcx, val, &mut self.output); } } hir::ItemKind::Fn(..) => { - let def_id = self.tcx.hir().local_def_id(item.hir_id); - self.push_if_root(def_id); + self.push_if_root(item.def_id); } } } @@ -1062,8 +1060,7 @@ impl ItemLikeVisitor<'v> for RootCollector<'_, 'v> { fn visit_impl_item(&mut self, ii: &'v hir::ImplItem<'v>) { if let hir::ImplItemKind::Fn(hir::FnSig { .. }, _) = ii.kind { - let def_id = self.tcx.hir().local_def_id(ii.hir_id); - self.push_if_root(def_id); + self.push_if_root(ii.def_id); } } @@ -1156,14 +1153,12 @@ fn create_mono_items_for_default_impls<'tcx>( } } - let impl_def_id = tcx.hir().local_def_id(item.hir_id); - debug!( "create_mono_items_for_default_impls(item={})", - tcx.def_path_str(impl_def_id.to_def_id()) + tcx.def_path_str(item.def_id.to_def_id()) ); - if let Some(trait_ref) = tcx.impl_trait_ref(impl_def_id) { + if let Some(trait_ref) = tcx.impl_trait_ref(item.def_id) { let param_env = ty::ParamEnv::reveal_all(); let trait_ref = tcx.normalize_erasing_regions(param_env, trait_ref); let overridden_methods: FxHashSet<_> = diff --git a/compiler/rustc_mir/src/monomorphize/partitioning/default.rs b/compiler/rustc_mir/src/monomorphize/partitioning/default.rs index d5a845dd76f..edd46310f20 100644 --- a/compiler/rustc_mir/src/monomorphize/partitioning/default.rs +++ b/compiler/rustc_mir/src/monomorphize/partitioning/default.rs @@ -314,7 +314,7 @@ fn characteristic_def_id_of_mono_item<'tcx>( Some(def_id) } MonoItem::Static(def_id) => Some(def_id), - MonoItem::GlobalAsm(hir_id) => Some(tcx.hir().local_def_id(hir_id).to_def_id()), + MonoItem::GlobalAsm(item_id) => Some(item_id.def_id.to_def_id()), } } @@ -405,11 +405,10 @@ fn mono_item_visibility( Visibility::Hidden }; } - MonoItem::GlobalAsm(hir_id) => { - let def_id = tcx.hir().local_def_id(*hir_id); - return if tcx.is_reachable_non_generic(def_id) { + MonoItem::GlobalAsm(item_id) => { + return if tcx.is_reachable_non_generic(item_id.def_id) { *can_be_internalized = false; - default_visibility(tcx, def_id.to_def_id(), false) + default_visibility(tcx, item_id.def_id.to_def_id(), false) } else { Visibility::Hidden }; diff --git a/compiler/rustc_mir/src/transform/const_prop.rs b/compiler/rustc_mir/src/transform/const_prop.rs index fd5c2236902..d0a23e1359c 100644 --- a/compiler/rustc_mir/src/transform/const_prop.rs +++ b/compiler/rustc_mir/src/transform/const_prop.rs @@ -466,7 +466,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { // an allocation, which we should avoid. When that happens, // dedicated error variants should be introduced instead. assert!( - !error.kind.allocates(), + !error.kind().allocates(), "const-prop encountered allocating error: {}", error ); diff --git a/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs b/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs index 010fe4fd524..38b7e50d786 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs @@ -289,7 +289,6 @@ use super::{PatternFoldable, PatternFolder}; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashMap; -use rustc_data_structures::sync::OnceCell; use rustc_arena::TypedArena; use rustc_hir::def_id::DefId; @@ -300,6 +299,7 @@ use rustc_span::Span; use smallvec::{smallvec, SmallVec}; use std::fmt; use std::iter::{FromIterator, IntoIterator}; +use std::lazy::OnceCell; crate struct MatchCheckCtxt<'a, 'tcx> { crate tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 5512e849c45..0f49386dec0 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -1654,7 +1654,7 @@ impl<'a> Parser<'a> { } pub(super) fn recover_arg_parse(&mut self) -> PResult<'a, (P<ast::Pat>, P<ast::Ty>)> { - let pat = self.parse_pat(Some("argument name"))?; + let pat = self.parse_pat_no_top_alt(Some("argument name"))?; self.expect(&token::Colon)?; let ty = self.parse_ty()?; diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 20430ece05b..59fd060aa24 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -1726,7 +1726,7 @@ impl<'a> Parser<'a> { let lo = self.token.span; let attrs = self.parse_outer_attributes()?; self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| { - let pat = this.parse_pat(PARAM_EXPECTED)?; + let pat = this.parse_pat_no_top_alt(PARAM_EXPECTED)?; let ty = if this.eat(&token::Colon) { this.parse_ty()? } else { @@ -1803,7 +1803,7 @@ impl<'a> Parser<'a> { /// The `let` token has already been eaten. fn parse_let_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> { let lo = self.prev_token.span; - let pat = self.parse_top_pat(GateOr::No, RecoverComma::Yes)?; + let pat = self.parse_pat_allow_top_alt(None, GateOr::No, RecoverComma::Yes)?; self.expect(&token::Eq)?; let expr = self.with_res(self.restrictions | Restrictions::NO_STRUCT_LITERAL, |this| { this.parse_assoc_expr_with(1 + prec_let_scrutinee_needs_par(), None.into()) @@ -1866,7 +1866,7 @@ impl<'a> Parser<'a> { _ => None, }; - let pat = self.parse_top_pat(GateOr::Yes, RecoverComma::Yes)?; + let pat = self.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::Yes)?; if !self.eat_keyword(kw::In) { self.error_missing_in_for_loop(); } @@ -1977,7 +1977,7 @@ impl<'a> Parser<'a> { let attrs = self.parse_outer_attributes()?; self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| { let lo = this.token.span; - let pat = this.parse_top_pat(GateOr::No, RecoverComma::Yes)?; + let pat = this.parse_pat_allow_top_alt(None, GateOr::No, RecoverComma::Yes)?; let guard = if this.eat_keyword(kw::If) { let if_span = this.prev_token.span; let cond = this.parse_expr()?; diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 18013f1250b..ace4134b1f6 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -14,6 +14,7 @@ use crate::lexer::UnmatchedBrace; pub use attr_wrapper::AttrWrapper; pub use diagnostics::AttemptLocalParseRecovery; use diagnostics::Error; +pub use pat::{GateOr, RecoverComma}; pub use path::PathStyle; use rustc_ast::ptr::P; diff --git a/compiler/rustc_parse/src/parser/nonterminal.rs b/compiler/rustc_parse/src/parser/nonterminal.rs index 40dd938f000..a84ae515144 100644 --- a/compiler/rustc_parse/src/parser/nonterminal.rs +++ b/compiler/rustc_parse/src/parser/nonterminal.rs @@ -120,9 +120,9 @@ impl<'a> Parser<'a> { }, NonterminalKind::Pat2018 { .. } | NonterminalKind::Pat2021 { .. } => { token::NtPat(self.collect_tokens_no_attrs(|this| match kind { - NonterminalKind::Pat2018 { .. } => this.parse_pat(None), + NonterminalKind::Pat2018 { .. } => this.parse_pat_no_top_alt(None), NonterminalKind::Pat2021 { .. } => { - this.parse_top_pat(GateOr::Yes, RecoverComma::No) + this.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::No) } _ => unreachable!(), })?) diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 317ef84742c..8874548da78 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -19,14 +19,14 @@ const WHILE_PARSING_OR_MSG: &str = "while parsing this or-pattern starting here" /// Whether or not an or-pattern should be gated when occurring in the current context. #[derive(PartialEq, Clone, Copy)] -pub(super) enum GateOr { +pub enum GateOr { Yes, No, } /// Whether or not to recover a `,` when parsing or-patterns. #[derive(PartialEq, Copy, Clone)] -pub(super) enum RecoverComma { +pub enum RecoverComma { Yes, No, } @@ -37,80 +37,57 @@ impl<'a> Parser<'a> { /// Corresponds to `pat<no_top_alt>` in RFC 2535 and does not admit or-patterns /// at the top level. Used when parsing the parameters of lambda expressions, /// functions, function pointers, and `pat` macro fragments. - pub fn parse_pat(&mut self, expected: Expected) -> PResult<'a, P<Pat>> { + pub fn parse_pat_no_top_alt(&mut self, expected: Expected) -> PResult<'a, P<Pat>> { self.parse_pat_with_range_pat(true, expected) } - /// Entry point to the main pattern parser. + /// Parses a pattern. + /// /// Corresponds to `top_pat` in RFC 2535 and allows or-pattern at the top level. - pub(super) fn parse_top_pat( + /// Used for parsing patterns in all cases when `pat<no_top_alt>` is not used. + /// + /// Note that after the FCP in <https://github.com/rust-lang/rust/issues/81415>, + /// a leading vert is allowed in nested or-patterns, too. This allows us to + /// simplify the grammar somewhat. + pub fn parse_pat_allow_top_alt( &mut self, + expected: Expected, gate_or: GateOr, rc: RecoverComma, ) -> PResult<'a, P<Pat>> { // Allow a '|' before the pats (RFCs 1925, 2530, and 2535). - let gated_leading_vert = self.eat_or_separator(None) && gate_or == GateOr::Yes; - let leading_vert_span = self.prev_token.span; - - // Parse the possibly-or-pattern. - let pat = self.parse_pat_with_or(None, gate_or, rc)?; - - // If we parsed a leading `|` which should be gated, - // and no other gated or-pattern has been parsed thus far, - // then we should really gate the leading `|`. - // This complicated procedure is done purely for diagnostics UX. - if gated_leading_vert && self.sess.gated_spans.is_ungated(sym::or_patterns) { - self.sess.gated_spans.gate(sym::or_patterns, leading_vert_span); - } - - Ok(pat) - } - - /// Parse the pattern for a function or function pointer parameter. - /// Special recovery is provided for or-patterns and leading `|`. - pub(super) fn parse_fn_param_pat(&mut self) -> PResult<'a, P<Pat>> { - self.recover_leading_vert(None, "not allowed in a parameter pattern"); - let pat = self.parse_pat_with_or(PARAM_EXPECTED, GateOr::No, RecoverComma::No)?; - - if let PatKind::Or(..) = &pat.kind { - self.ban_illegal_fn_param_or_pat(&pat); - } - - Ok(pat) - } + let leading_vert_span = + if self.eat_or_separator(None) { Some(self.prev_token.span) } else { None }; - /// Ban `A | B` immediately in a parameter pattern and suggest wrapping in parens. - fn ban_illegal_fn_param_or_pat(&self, pat: &Pat) { - let msg = "wrap the pattern in parenthesis"; - let fix = format!("({})", pprust::pat_to_string(pat)); - self.struct_span_err(pat.span, "an or-pattern parameter must be wrapped in parenthesis") - .span_suggestion(pat.span, msg, fix, Applicability::MachineApplicable) - .emit(); - } - - /// Parses a pattern, that may be a or-pattern (e.g. `Foo | Bar` in `Some(Foo | Bar)`). - /// Corresponds to `pat<allow_top_alt>` in RFC 2535. - fn parse_pat_with_or( - &mut self, - expected: Expected, - gate_or: GateOr, - rc: RecoverComma, - ) -> PResult<'a, P<Pat>> { // Parse the first pattern (`p_0`). - let first_pat = self.parse_pat(expected)?; + let first_pat = self.parse_pat_no_top_alt(expected)?; self.maybe_recover_unexpected_comma(first_pat.span, rc, gate_or)?; // If the next token is not a `|`, // this is not an or-pattern and we should exit here. if !self.check(&token::BinOp(token::Or)) && self.token != token::OrOr { + // If we parsed a leading `|` which should be gated, + // then we should really gate the leading `|`. + // This complicated procedure is done purely for diagnostics UX. + if let Some(leading_vert_span) = leading_vert_span { + if gate_or == GateOr::Yes && self.sess.gated_spans.is_ungated(sym::or_patterns) { + self.sess.gated_spans.gate(sym::or_patterns, leading_vert_span); + } + + // If there was a leading vert, treat this as an or-pattern. This improves + // diagnostics. + let span = leading_vert_span.to(self.prev_token.span); + return Ok(self.mk_pat(span, PatKind::Or(vec![first_pat]))); + } + return Ok(first_pat); } // Parse the patterns `p_1 | ... | p_n` where `n > 0`. - let lo = first_pat.span; + let lo = leading_vert_span.unwrap_or(first_pat.span); let mut pats = vec![first_pat]; while self.eat_or_separator(Some(lo)) { - let pat = self.parse_pat(expected).map_err(|mut err| { + let pat = self.parse_pat_no_top_alt(expected).map_err(|mut err| { err.span_label(lo, WHILE_PARSING_OR_MSG); err })?; @@ -127,6 +104,62 @@ impl<'a> Parser<'a> { Ok(self.mk_pat(or_pattern_span, PatKind::Or(pats))) } + /// Parse the pattern for a function or function pointer parameter. + pub(super) fn parse_fn_param_pat(&mut self) -> PResult<'a, P<Pat>> { + // We actually do _not_ allow top-level or-patterns in function params, but we use + // `parse_pat_allow_top_alt` anyway so that we can detect when a user tries to use it. This + // allows us to print a better error message. + // + // In order to get good UX, we first recover in the case of a leading vert for an illegal + // top-level or-pat. Normally, this means recovering both `|` and `||`, but in this case, + // a leading `||` probably doesn't indicate an or-pattern attempt, so we handle that + // separately. + if let token::OrOr = self.token.kind { + let span = self.token.span; + let mut err = self.struct_span_err(span, "unexpected `||` before function parameter"); + err.span_suggestion( + span, + "remove the `||`", + String::new(), + Applicability::MachineApplicable, + ); + err.note("alternatives in or-patterns are separated with `|`, not `||`"); + err.emit(); + self.bump(); + } + + let pat = self.parse_pat_allow_top_alt(PARAM_EXPECTED, GateOr::No, RecoverComma::No)?; + + if let PatKind::Or(..) = &pat.kind { + self.ban_illegal_fn_param_or_pat(&pat); + } + + Ok(pat) + } + + /// Ban `A | B` immediately in a parameter pattern and suggest wrapping in parens. + fn ban_illegal_fn_param_or_pat(&self, pat: &Pat) { + // If all we have a leading vert, then print a special message. This is the case if + // `parse_pat_allow_top_alt` returns an or-pattern with one variant. + let (msg, fix) = match &pat.kind { + PatKind::Or(pats) if pats.len() == 1 => { + let msg = "remove the leading `|`"; + let fix = pprust::pat_to_string(pat); + (msg, fix) + } + + _ => { + let msg = "wrap the pattern in parentheses"; + let fix = format!("({})", pprust::pat_to_string(pat)); + (msg, fix) + } + }; + + self.struct_span_err(pat.span, "an or-pattern parameter must be wrapped in parentheses") + .span_suggestion(pat.span, msg, fix, Applicability::MachineApplicable) + .emit(); + } + /// Eat the or-pattern `|` separator. /// If instead a `||` token is encountered, recover and pretend we parsed `|`. fn eat_or_separator(&mut self, lo: Option<Span>) -> bool { @@ -179,7 +212,7 @@ impl<'a> Parser<'a> { /// We have parsed `||` instead of `|`. Error and suggest `|` instead. fn ban_unexpected_or_or(&mut self, lo: Option<Span>) { - let mut err = self.struct_span_err(self.token.span, "unexpected token `||` after pattern"); + let mut err = self.struct_span_err(self.token.span, "unexpected token `||` in pattern"); err.span_suggestion( self.token.span, "use a single `|` to separate multiple alternative patterns", @@ -244,7 +277,7 @@ impl<'a> Parser<'a> { /// sequence of patterns until `)` is reached. fn skip_pat_list(&mut self) -> PResult<'a, ()> { while !self.check(&token::CloseDelim(token::Paren)) { - self.parse_pat(None)?; + self.parse_pat_no_top_alt(None)?; if !self.eat(&token::Comma) { return Ok(()); } @@ -252,22 +285,6 @@ impl<'a> Parser<'a> { Ok(()) } - /// Recursive possibly-or-pattern parser with recovery for an erroneous leading `|`. - /// See `parse_pat_with_or` for details on parsing or-patterns. - fn parse_pat_with_or_inner(&mut self) -> PResult<'a, P<Pat>> { - self.recover_leading_vert(None, "only allowed in a top-level pattern"); - self.parse_pat_with_or(None, GateOr::Yes, RecoverComma::No) - } - - /// Recover if `|` or `||` is here. - /// The user is thinking that a leading `|` is allowed in this position. - fn recover_leading_vert(&mut self, lo: Option<Span>, ctx: &str) { - if let token::BinOp(token::Or) | token::OrOr = self.token.kind { - self.ban_illegal_vert(lo, "leading", ctx); - self.bump(); - } - } - /// A `|` or possibly `||` token shouldn't be here. Ban it. fn ban_illegal_vert(&mut self, lo: Option<Span>, pos: &str, ctx: &str) { let span = self.token.span; @@ -305,8 +322,9 @@ impl<'a> Parser<'a> { self.parse_pat_tuple_or_parens()? } else if self.check(&token::OpenDelim(token::Bracket)) { // Parse `[pat, pat,...]` as a slice pattern. - let (pats, _) = - self.parse_delim_comma_seq(token::Bracket, |p| p.parse_pat_with_or_inner())?; + let (pats, _) = self.parse_delim_comma_seq(token::Bracket, |p| { + p.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::No) + })?; PatKind::Slice(pats) } else if self.check(&token::DotDot) && !self.is_pat_range_end_start(1) { // A rest pattern `..`. @@ -429,7 +447,7 @@ impl<'a> Parser<'a> { // At this point we attempt to parse `@ $pat_rhs` and emit an error. self.bump(); // `@` - let mut rhs = self.parse_pat(None)?; + let mut rhs = self.parse_pat_no_top_alt(None)?; let sp = lhs.span.to(rhs.span); if let PatKind::Ident(_, _, ref mut sub @ None) = rhs.kind { @@ -518,8 +536,9 @@ impl<'a> Parser<'a> { /// Parse a tuple or parenthesis pattern. fn parse_pat_tuple_or_parens(&mut self) -> PResult<'a, PatKind> { - let (fields, trailing_comma) = - self.parse_paren_comma_seq(|p| p.parse_pat_with_or_inner())?; + let (fields, trailing_comma) = self.parse_paren_comma_seq(|p| { + p.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::No) + })?; // Here, `(pat,)` is a tuple pattern. // For backward compatibility, `(..)` is a tuple pattern as well. @@ -548,7 +567,7 @@ impl<'a> Parser<'a> { } // Parse the pattern we hope to be an identifier. - let mut pat = self.parse_pat(Some("identifier"))?; + let mut pat = self.parse_pat_no_top_alt(Some("identifier"))?; // If we don't have `mut $ident (@ pat)?`, error. if let PatKind::Ident(BindingMode::ByValue(m @ Mutability::Not), ..) = &mut pat.kind { @@ -793,7 +812,7 @@ impl<'a> Parser<'a> { fn parse_pat_ident(&mut self, binding_mode: BindingMode) -> PResult<'a, PatKind> { let ident = self.parse_ident()?; let sub = if self.eat(&token::At) { - Some(self.parse_pat(Some("binding pattern"))?) + Some(self.parse_pat_no_top_alt(Some("binding pattern"))?) } else { None }; @@ -832,7 +851,9 @@ impl<'a> Parser<'a> { if qself.is_some() { return self.error_qpath_before_pat(&path, "("); } - let (fields, _) = self.parse_paren_comma_seq(|p| p.parse_pat_with_or_inner())?; + let (fields, _) = self.parse_paren_comma_seq(|p| { + p.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::No) + })?; Ok(PatKind::TupleStruct(path, fields)) } @@ -998,7 +1019,7 @@ impl<'a> Parser<'a> { // Parsing a pattern of the form `fieldname: pat`. let fieldname = self.parse_field_name()?; self.bump(); - let pat = self.parse_pat_with_or_inner()?; + let pat = self.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::No)?; hi = pat.span; (pat, fieldname, false) } else { diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index e36ebd5e481..2e00ddfaacc 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -220,7 +220,7 @@ impl<'a> Parser<'a> { /// Parses a local variable declaration. fn parse_local(&mut self, attrs: AttrVec) -> PResult<'a, P<Local>> { let lo = self.prev_token.span; - let pat = self.parse_top_pat(GateOr::Yes, RecoverComma::Yes)?; + let pat = self.parse_pat_allow_top_alt(None, GateOr::Yes, RecoverComma::Yes)?; let (err, ty) = if self.eat(&token::Colon) { // Save the state of the parser before parsing type normally, in case there is a `:` diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 2c79eeeb0e6..bf9b7e588bd 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -29,7 +29,7 @@ pub(crate) fn target_from_impl_item<'tcx>( match impl_item.kind { hir::ImplItemKind::Const(..) => Target::AssocConst, hir::ImplItemKind::Fn(..) => { - let parent_hir_id = tcx.hir().get_parent_item(impl_item.hir_id); + let parent_hir_id = tcx.hir().get_parent_item(impl_item.hir_id()); let containing_item = tcx.hir().expect_item(parent_hir_id); let containing_impl_is_for_trait = match &containing_item.kind { hir::ItemKind::Impl(impl_) => impl_.of_trait.is_some(), @@ -1058,7 +1058,7 @@ impl Visitor<'tcx> for CheckAttrVisitor<'tcx> { fn visit_item(&mut self, item: &'tcx Item<'tcx>) { let target = Target::from_item(item); self.check_attributes( - item.hir_id, + item.hir_id(), item.attrs, &item.span, target, @@ -1081,7 +1081,13 @@ impl Visitor<'tcx> for CheckAttrVisitor<'tcx> { fn visit_trait_item(&mut self, trait_item: &'tcx TraitItem<'tcx>) { let target = Target::from_trait_item(trait_item); - self.check_attributes(trait_item.hir_id, &trait_item.attrs, &trait_item.span, target, None); + self.check_attributes( + trait_item.hir_id(), + &trait_item.attrs, + &trait_item.span, + target, + None, + ); intravisit::walk_trait_item(self, trait_item) } @@ -1104,7 +1110,7 @@ impl Visitor<'tcx> for CheckAttrVisitor<'tcx> { fn visit_foreign_item(&mut self, f_item: &'tcx ForeignItem<'tcx>) { let target = Target::from_foreign_item(f_item); self.check_attributes( - f_item.hir_id, + f_item.hir_id(), &f_item.attrs, &f_item.span, target, @@ -1115,7 +1121,7 @@ impl Visitor<'tcx> for CheckAttrVisitor<'tcx> { fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { let target = target_from_impl_item(self.tcx, impl_item); - self.check_attributes(impl_item.hir_id, &impl_item.attrs, &impl_item.span, target, None); + self.check_attributes(impl_item.hir_id(), &impl_item.attrs, &impl_item.span, target, None); intravisit::walk_impl_item(self, impl_item) } @@ -1149,7 +1155,7 @@ impl Visitor<'tcx> for CheckAttrVisitor<'tcx> { fn visit_macro_def(&mut self, macro_def: &'tcx hir::MacroDef<'tcx>) { self.check_attributes( - macro_def.hir_id, + macro_def.hir_id(), macro_def.attrs, ¯o_def.span, Target::MacroDef, diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 0d096a0556b..d51b501f7ae 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -188,8 +188,7 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { match node { Node::Item(item) => match item.kind { hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) => { - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let def = self.tcx.adt_def(def_id); + let def = self.tcx.adt_def(item.def_id); self.repr_has_repr_c = def.repr.c(); intravisit::walk_item(self, &item); @@ -329,7 +328,7 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { fn visit_ty(&mut self, ty: &'tcx hir::Ty<'tcx>) { if let TyKind::OpaqueDef(item_id, _) = ty.kind { - let item = self.tcx.hir().expect_item(item_id.id); + let item = self.tcx.hir().item(item_id); intravisit::walk_item(self, item); } intravisit::walk_ty(self, ty); @@ -395,9 +394,10 @@ struct LifeSeeder<'k, 'tcx> { impl<'v, 'k, 'tcx> ItemLikeVisitor<'v> for LifeSeeder<'k, 'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { - let allow_dead_code = has_allow_dead_code_or_lang_attr(self.tcx, item.hir_id, &item.attrs); + let allow_dead_code = + has_allow_dead_code_or_lang_attr(self.tcx, item.hir_id(), &item.attrs); if allow_dead_code { - self.worklist.push(item.hir_id); + self.worklist.push(item.hir_id()); } match item.kind { hir::ItemKind::Enum(ref enum_def, _) => { @@ -413,24 +413,24 @@ impl<'v, 'k, 'tcx> ItemLikeVisitor<'v> for LifeSeeder<'k, 'tcx> { } hir::ItemKind::Impl(hir::Impl { ref of_trait, items, .. }) => { if of_trait.is_some() { - self.worklist.push(item.hir_id); + self.worklist.push(item.hir_id()); } for impl_item_ref in items { let impl_item = self.krate.impl_item(impl_item_ref.id); if of_trait.is_some() || has_allow_dead_code_or_lang_attr( self.tcx, - impl_item.hir_id, + impl_item.hir_id(), &impl_item.attrs, ) { - self.worklist.push(impl_item_ref.id.hir_id); + self.worklist.push(impl_item_ref.id.hir_id()); } } } hir::ItemKind::Struct(ref variant_data, _) => { if let Some(ctor_hir_id) = variant_data.ctor_hir_id() { - self.struct_constructors.insert(ctor_hir_id, item.hir_id); + self.struct_constructors.insert(ctor_hir_id, item.hir_id()); } } _ => (), @@ -440,9 +440,9 @@ impl<'v, 'k, 'tcx> ItemLikeVisitor<'v> for LifeSeeder<'k, 'tcx> { fn visit_trait_item(&mut self, trait_item: &hir::TraitItem<'_>) { use hir::TraitItemKind::{Const, Fn}; if matches!(trait_item.kind, Const(_, Some(_)) | Fn(_, hir::TraitFn::Provided(_))) - && has_allow_dead_code_or_lang_attr(self.tcx, trait_item.hir_id, &trait_item.attrs) + && has_allow_dead_code_or_lang_attr(self.tcx, trait_item.hir_id(), &trait_item.attrs) { - self.worklist.push(trait_item.hir_id); + self.worklist.push(trait_item.hir_id()); } } @@ -453,9 +453,13 @@ impl<'v, 'k, 'tcx> ItemLikeVisitor<'v> for LifeSeeder<'k, 'tcx> { fn visit_foreign_item(&mut self, foreign_item: &hir::ForeignItem<'_>) { use hir::ForeignItemKind::{Fn, Static}; if matches!(foreign_item.kind, Static(..) | Fn(..)) - && has_allow_dead_code_or_lang_attr(self.tcx, foreign_item.hir_id, &foreign_item.attrs) + && has_allow_dead_code_or_lang_attr( + self.tcx, + foreign_item.hir_id(), + &foreign_item.attrs, + ) { - self.worklist.push(foreign_item.hir_id); + self.worklist.push(foreign_item.hir_id()); } } } @@ -525,7 +529,7 @@ impl DeadVisitor<'tcx> { | hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) ); - should_warn && !self.symbol_is_live(item.hir_id) + should_warn && !self.symbol_is_live(item.hir_id()) } fn should_warn_about_field(&mut self, field: &hir::StructField<'_>) -> bool { @@ -542,8 +546,8 @@ impl DeadVisitor<'tcx> { } fn should_warn_about_foreign_item(&mut self, fi: &hir::ForeignItem<'_>) -> bool { - !self.symbol_is_live(fi.hir_id) - && !has_allow_dead_code_or_lang_attr(self.tcx, fi.hir_id, &fi.attrs) + !self.symbol_is_live(fi.hir_id()) + && !has_allow_dead_code_or_lang_attr(self.tcx, fi.hir_id(), &fi.attrs) } // id := HIR id of an item's definition. @@ -627,7 +631,7 @@ impl Visitor<'tcx> for DeadVisitor<'tcx> { hir::ItemKind::Struct(..) => "constructed", // Issue #52325 _ => "used", }; - self.warn_dead_code(item.hir_id, span, item.ident.name, participle); + self.warn_dead_code(item.hir_id(), span, item.ident.name, participle); } else { // Only continue if we didn't warn intravisit::walk_item(self, item); @@ -649,7 +653,7 @@ impl Visitor<'tcx> for DeadVisitor<'tcx> { fn visit_foreign_item(&mut self, fi: &'tcx hir::ForeignItem<'tcx>) { if self.should_warn_about_foreign_item(fi) { - self.warn_dead_code(fi.hir_id, fi.span, fi.ident.name, "used"); + self.warn_dead_code(fi.hir_id(), fi.span, fi.ident.name, "used"); } intravisit::walk_foreign_item(self, fi); } @@ -664,9 +668,9 @@ impl Visitor<'tcx> for DeadVisitor<'tcx> { fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { match impl_item.kind { hir::ImplItemKind::Const(_, body_id) => { - if !self.symbol_is_live(impl_item.hir_id) { + if !self.symbol_is_live(impl_item.hir_id()) { self.warn_dead_code( - impl_item.hir_id, + impl_item.hir_id(), impl_item.span, impl_item.ident.name, "used", @@ -675,7 +679,7 @@ impl Visitor<'tcx> for DeadVisitor<'tcx> { self.visit_nested_body(body_id) } hir::ImplItemKind::Fn(_, body_id) => { - if !self.symbol_is_live(impl_item.hir_id) { + if !self.symbol_is_live(impl_item.hir_id()) { // FIXME(66095): Because impl_item.span is annotated with things // like expansion data, and ident.span isn't, we use the // def_span method if it's part of a macro invocation @@ -687,7 +691,7 @@ impl Visitor<'tcx> for DeadVisitor<'tcx> { } else { impl_item.ident.span }; - self.warn_dead_code(impl_item.hir_id, span, impl_item.ident.name, "used"); + self.warn_dead_code(impl_item.hir_id(), span, impl_item.ident.name, "used"); } self.visit_nested_body(body_id) } diff --git a/compiler/rustc_passes/src/diagnostic_items.rs b/compiler/rustc_passes/src/diagnostic_items.rs index 699c96bc49d..3ec7ea39248 100644 --- a/compiler/rustc_passes/src/diagnostic_items.rs +++ b/compiler/rustc_passes/src/diagnostic_items.rs @@ -16,7 +16,7 @@ use rustc_hir::itemlikevisit::ItemLikeVisitor; use rustc_middle::ty::query::Providers; use rustc_middle::ty::TyCtxt; use rustc_session::Session; -use rustc_span::def_id::{DefId, LOCAL_CRATE}; +use rustc_span::def_id::{DefId, LocalDefId, LOCAL_CRATE}; use rustc_span::symbol::{sym, Symbol}; struct DiagnosticItemCollector<'tcx> { @@ -27,19 +27,19 @@ struct DiagnosticItemCollector<'tcx> { impl<'v, 'tcx> ItemLikeVisitor<'v> for DiagnosticItemCollector<'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { - self.observe_item(&item.attrs, item.hir_id); + self.observe_item(&item.attrs, item.def_id); } fn visit_trait_item(&mut self, trait_item: &hir::TraitItem<'_>) { - self.observe_item(&trait_item.attrs, trait_item.hir_id); + self.observe_item(&trait_item.attrs, trait_item.def_id); } fn visit_impl_item(&mut self, impl_item: &hir::ImplItem<'_>) { - self.observe_item(&impl_item.attrs, impl_item.hir_id); + self.observe_item(&impl_item.attrs, impl_item.def_id); } fn visit_foreign_item(&mut self, foreign_item: &hir::ForeignItem<'_>) { - self.observe_item(foreign_item.attrs, foreign_item.hir_id); + self.observe_item(foreign_item.attrs, foreign_item.def_id); } } @@ -48,9 +48,8 @@ impl<'tcx> DiagnosticItemCollector<'tcx> { DiagnosticItemCollector { tcx, items: Default::default() } } - fn observe_item(&mut self, attrs: &[ast::Attribute], hir_id: hir::HirId) { + fn observe_item(&mut self, attrs: &[ast::Attribute], def_id: LocalDefId) { if let Some(name) = extract(&self.tcx.sess, attrs) { - let def_id = self.tcx.hir().local_def_id(hir_id); // insert into our table collect_item(self.tcx, &mut self.items, name, def_id.to_def_id()); } @@ -106,7 +105,7 @@ fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> FxHashMap<Symbol, DefId> { tcx.hir().krate().visit_all_item_likes(&mut collector); for m in tcx.hir().krate().exported_macros { - collector.observe_item(m.attrs, m.hir_id); + collector.observe_item(m.attrs, m.def_id); } collector.items diff --git a/compiler/rustc_passes/src/entry.rs b/compiler/rustc_passes/src/entry.rs index 5ff631a2457..0d3a7ea3a8a 100644 --- a/compiler/rustc_passes/src/entry.rs +++ b/compiler/rustc_passes/src/entry.rs @@ -32,8 +32,7 @@ struct EntryContext<'a, 'tcx> { impl<'a, 'tcx> ItemLikeVisitor<'tcx> for EntryContext<'a, 'tcx> { fn visit_item(&mut self, item: &'tcx Item<'tcx>) { - let def_id = self.map.local_def_id(item.hir_id); - let def_key = self.map.def_key(def_id); + let def_key = self.map.def_key(item.def_id); let at_root = def_key.parent == Some(CRATE_DEF_INDEX); find_item(item, self, at_root); } @@ -116,18 +115,18 @@ fn find_item(item: &Item<'_>, ctxt: &mut EntryContext<'_, '_>, at_root: bool) { } EntryPointType::MainNamed => { if ctxt.main_fn.is_none() { - ctxt.main_fn = Some((item.hir_id, item.span)); + ctxt.main_fn = Some((item.hir_id(), item.span)); } else { struct_span_err!(ctxt.session, item.span, E0136, "multiple `main` functions") .emit(); } } EntryPointType::OtherMain => { - ctxt.non_main_fns.push((item.hir_id, item.span)); + ctxt.non_main_fns.push((item.hir_id(), item.span)); } EntryPointType::MainAttr => { if ctxt.attr_main_fn.is_none() { - ctxt.attr_main_fn = Some((item.hir_id, item.span)); + ctxt.attr_main_fn = Some((item.hir_id(), item.span)); } else { struct_span_err!( ctxt.session, @@ -142,7 +141,7 @@ fn find_item(item: &Item<'_>, ctxt: &mut EntryContext<'_, '_>, at_root: bool) { } EntryPointType::Start => { if ctxt.start_fn.is_none() { - ctxt.start_fn = Some((item.hir_id, item.span)); + ctxt.start_fn = Some((item.hir_id(), item.span)); } else { struct_span_err!(ctxt.session, item.span, E0138, "multiple `start` functions") .span_label(ctxt.start_fn.unwrap().1, "previous `#[start]` function here") diff --git a/compiler/rustc_passes/src/hir_id_validator.rs b/compiler/rustc_passes/src/hir_id_validator.rs index fdd6c238055..79e3b5952ac 100644 --- a/compiler/rustc_passes/src/hir_id_validator.rs +++ b/compiler/rustc_passes/src/hir_id_validator.rs @@ -14,12 +14,9 @@ pub fn check_crate(tcx: TyCtxt<'_>) { let errors = Lock::new(Vec::new()); let hir_map = tcx.hir(); - par_iter(&hir_map.krate().modules).for_each(|(module_id, _)| { - let local_def_id = hir_map.local_def_id(*module_id); - hir_map.visit_item_likes_in_module( - local_def_id, - &mut OuterVisitor { hir_map, errors: &errors }, - ); + par_iter(&hir_map.krate().modules).for_each(|(&module_id, _)| { + hir_map + .visit_item_likes_in_module(module_id, &mut OuterVisitor { hir_map, errors: &errors }); }); let errors = errors.into_inner(); @@ -56,22 +53,22 @@ impl<'a, 'hir> OuterVisitor<'a, 'hir> { impl<'a, 'hir> ItemLikeVisitor<'hir> for OuterVisitor<'a, 'hir> { fn visit_item(&mut self, i: &'hir hir::Item<'hir>) { let mut inner_visitor = self.new_inner_visitor(self.hir_map); - inner_visitor.check(i.hir_id, |this| intravisit::walk_item(this, i)); + inner_visitor.check(i.hir_id(), |this| intravisit::walk_item(this, i)); } fn visit_trait_item(&mut self, i: &'hir hir::TraitItem<'hir>) { let mut inner_visitor = self.new_inner_visitor(self.hir_map); - inner_visitor.check(i.hir_id, |this| intravisit::walk_trait_item(this, i)); + inner_visitor.check(i.hir_id(), |this| intravisit::walk_trait_item(this, i)); } fn visit_impl_item(&mut self, i: &'hir hir::ImplItem<'hir>) { let mut inner_visitor = self.new_inner_visitor(self.hir_map); - inner_visitor.check(i.hir_id, |this| intravisit::walk_impl_item(this, i)); + inner_visitor.check(i.hir_id(), |this| intravisit::walk_impl_item(this, i)); } fn visit_foreign_item(&mut self, i: &'hir hir::ForeignItem<'hir>) { let mut inner_visitor = self.new_inner_visitor(self.hir_map); - inner_visitor.check(i.hir_id, |this| intravisit::walk_foreign_item(this, i)); + inner_visitor.check(i.hir_id(), |this| intravisit::walk_foreign_item(this, i)); } } diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs index 1d02c9aa637..e35ad10968d 100644 --- a/compiler/rustc_passes/src/hir_stats.rs +++ b/compiler/rustc_passes/src/hir_stats.rs @@ -100,7 +100,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_nested_item(&mut self, id: hir::ItemId) { - let nested_item = self.krate.unwrap().item(id.id); + let nested_item = self.krate.unwrap().item(id); self.visit_item(nested_item) } @@ -120,7 +120,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_item(&mut self, i: &'v hir::Item<'v>) { - self.record("Item", Id::Node(i.hir_id), i); + self.record("Item", Id::Node(i.hir_id()), i); hir_visit::walk_item(self, i) } @@ -130,7 +130,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_foreign_item(&mut self, i: &'v hir::ForeignItem<'v>) { - self.record("ForeignItem", Id::Node(i.hir_id), i); + self.record("ForeignItem", Id::Node(i.hir_id()), i); hir_visit::walk_foreign_item(self, i) } @@ -187,12 +187,12 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_trait_item(&mut self, ti: &'v hir::TraitItem<'v>) { - self.record("TraitItem", Id::Node(ti.hir_id), ti); + self.record("TraitItem", Id::Node(ti.hir_id()), ti); hir_visit::walk_trait_item(self, ti) } fn visit_impl_item(&mut self, ii: &'v hir::ImplItem<'v>) { - self.record("ImplItem", Id::Node(ii.hir_id), ii); + self.record("ImplItem", Id::Node(ii.hir_id()), ii); hir_visit::walk_impl_item(self, ii) } @@ -246,7 +246,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_macro_def(&mut self, macro_def: &'v hir::MacroDef<'v>) { - self.record("MacroDef", Id::Node(macro_def.hir_id), macro_def); + self.record("MacroDef", Id::Node(macro_def.hir_id()), macro_def); hir_visit::walk_macro_def(self, macro_def) } } diff --git a/compiler/rustc_passes/src/lang_items.rs b/compiler/rustc_passes/src/lang_items.rs index 3132661e5f5..8e2ad7f783e 100644 --- a/compiler/rustc_passes/src/lang_items.rs +++ b/compiler/rustc_passes/src/lang_items.rs @@ -30,7 +30,7 @@ struct LanguageItemCollector<'tcx> { impl ItemLikeVisitor<'v> for LanguageItemCollector<'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { - self.check_for_lang(Target::from_item(item), item.hir_id, item.attrs); + self.check_for_lang(Target::from_item(item), item.hir_id(), item.attrs); if let hir::ItemKind::Enum(def, ..) = &item.kind { for variant in def.variants { @@ -42,7 +42,7 @@ impl ItemLikeVisitor<'v> for LanguageItemCollector<'tcx> { fn visit_trait_item(&mut self, trait_item: &hir::TraitItem<'_>) { self.check_for_lang( Target::from_trait_item(trait_item), - trait_item.hir_id, + trait_item.hir_id(), trait_item.attrs, ) } @@ -50,7 +50,7 @@ impl ItemLikeVisitor<'v> for LanguageItemCollector<'tcx> { fn visit_impl_item(&mut self, impl_item: &hir::ImplItem<'_>) { self.check_for_lang( target_from_impl_item(self.tcx, impl_item), - impl_item.hir_id, + impl_item.hir_id(), impl_item.attrs, ) } diff --git a/compiler/rustc_passes/src/layout_test.rs b/compiler/rustc_passes/src/layout_test.rs index 9e83cbd6680..18c1d647060 100644 --- a/compiler/rustc_passes/src/layout_test.rs +++ b/compiler/rustc_passes/src/layout_test.rs @@ -21,16 +21,14 @@ struct LayoutTest<'tcx> { impl ItemLikeVisitor<'tcx> for LayoutTest<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - let item_def_id = self.tcx.hir().local_def_id(item.hir_id); - match item.kind { ItemKind::TyAlias(..) | ItemKind::Enum(..) | ItemKind::Struct(..) | ItemKind::Union(..) => { - for attr in self.tcx.get_attrs(item_def_id.to_def_id()).iter() { + for attr in self.tcx.get_attrs(item.def_id.to_def_id()).iter() { if self.tcx.sess.check_name(attr, sym::rustc_layout) { - self.dump_layout_of(item_def_id, item, attr); + self.dump_layout_of(item.def_id, item, attr); } } } diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index eb24c51c54c..20aaaea5b98 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -31,7 +31,7 @@ fn item_might_be_inlined(tcx: TyCtxt<'tcx>, item: &hir::Item<'_>, attrs: &Codege match item.kind { hir::ItemKind::Fn(ref sig, ..) if sig.header.is_const() => true, hir::ItemKind::Impl { .. } | hir::ItemKind::Fn(..) => { - let generics = tcx.generics_of(tcx.hir().local_def_id(item.hir_id)); + let generics = tcx.generics_of(item.def_id); generics.requires_monomorphization(tcx) } _ => false, @@ -43,8 +43,8 @@ fn method_might_be_inlined( impl_item: &hir::ImplItem<'_>, impl_src: LocalDefId, ) -> bool { - let codegen_fn_attrs = tcx.codegen_fn_attrs(impl_item.hir_id.owner.to_def_id()); - let generics = tcx.generics_of(tcx.hir().local_def_id(impl_item.hir_id)); + let codegen_fn_attrs = tcx.codegen_fn_attrs(impl_item.hir_id().owner.to_def_id()); + let generics = tcx.generics_of(impl_item.def_id); if codegen_fn_attrs.requests_inline() || generics.requires_monomorphization(tcx) { return true; } @@ -218,8 +218,7 @@ impl<'tcx> ReachableContext<'tcx> { } else { false }; - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let codegen_attrs = self.tcx.codegen_fn_attrs(def_id); + let codegen_attrs = self.tcx.codegen_fn_attrs(item.def_id); let is_extern = codegen_attrs.contains_extern_indicator(); let std_internal = codegen_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL); @@ -239,9 +238,11 @@ impl<'tcx> ReachableContext<'tcx> { Node::Item(item) => { match item.kind { hir::ItemKind::Fn(.., body) => { - let def_id = self.tcx.hir().local_def_id(item.hir_id); - if item_might_be_inlined(self.tcx, &item, self.tcx.codegen_fn_attrs(def_id)) - { + if item_might_be_inlined( + self.tcx, + &item, + self.tcx.codegen_fn_attrs(item.def_id), + ) { self.visit_nested_body(body); } } @@ -341,23 +342,21 @@ impl<'a, 'tcx> ItemLikeVisitor<'tcx> for CollectPrivateImplItemsVisitor<'a, 'tcx // Anything which has custom linkage gets thrown on the worklist no // matter where it is in the crate, along with "special std symbols" // which are currently akin to allocator symbols. - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let codegen_attrs = self.tcx.codegen_fn_attrs(def_id); + let codegen_attrs = self.tcx.codegen_fn_attrs(item.def_id); if codegen_attrs.contains_extern_indicator() || codegen_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) { - self.worklist.push(def_id); + self.worklist.push(item.def_id); } // We need only trait impls here, not inherent impls, and only non-exported ones if let hir::ItemKind::Impl(hir::Impl { of_trait: Some(ref trait_ref), ref items, .. }) = item.kind { - if !self.access_levels.is_reachable(item.hir_id) { + if !self.access_levels.is_reachable(item.hir_id()) { // FIXME(#53488) remove `let` let tcx = self.tcx; - self.worklist - .extend(items.iter().map(|ii_ref| tcx.hir().local_def_id(ii_ref.id.hir_id))); + self.worklist.extend(items.iter().map(|ii_ref| ii_ref.id.def_id)); let trait_def_id = match trait_ref.path.res { Res::Def(DefKind::Trait, def_id) => def_id, diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index e1d03e35048..f538427efd9 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -376,7 +376,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { } self.annotate( - i.hir_id, + i.hir_id(), &i.attrs, i.span, kind, @@ -389,7 +389,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { fn visit_trait_item(&mut self, ti: &'tcx hir::TraitItem<'tcx>) { self.annotate( - ti.hir_id, + ti.hir_id(), &ti.attrs, ti.span, AnnotationKind::Required, @@ -405,7 +405,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { let kind = if self.in_trait_impl { AnnotationKind::Prohibited } else { AnnotationKind::Required }; self.annotate( - ii.hir_id, + ii.hir_id(), &ii.attrs, ii.span, kind, @@ -459,7 +459,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { fn visit_foreign_item(&mut self, i: &'tcx hir::ForeignItem<'tcx>) { self.annotate( - i.hir_id, + i.hir_id(), &i.attrs, i.span, AnnotationKind::Required, @@ -473,7 +473,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { fn visit_macro_def(&mut self, md: &'tcx hir::MacroDef<'tcx>) { self.annotate( - md.hir_id, + md.hir_id(), &md.attrs, md.span, AnnotationKind::Required, @@ -556,7 +556,7 @@ impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> { hir::ItemKind::Impl(hir::Impl { of_trait: None, .. }) | hir::ItemKind::ForeignMod { .. } ) { - self.check_missing_stability(i.hir_id, i.span); + self.check_missing_stability(i.hir_id(), i.span); } // Ensure `const fn` that are `stable` have one of `rustc_const_unstable` or @@ -564,21 +564,21 @@ impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> { if self.tcx.features().staged_api && matches!(&i.kind, hir::ItemKind::Fn(sig, ..) if sig.header.is_const()) { - self.check_missing_const_stability(i.hir_id, i.span); + self.check_missing_const_stability(i.hir_id(), i.span); } intravisit::walk_item(self, i) } fn visit_trait_item(&mut self, ti: &'tcx hir::TraitItem<'tcx>) { - self.check_missing_stability(ti.hir_id, ti.span); + self.check_missing_stability(ti.hir_id(), ti.span); intravisit::walk_trait_item(self, ti); } fn visit_impl_item(&mut self, ii: &'tcx hir::ImplItem<'tcx>) { - let impl_def_id = self.tcx.hir().local_def_id(self.tcx.hir().get_parent_item(ii.hir_id)); + let impl_def_id = self.tcx.hir().local_def_id(self.tcx.hir().get_parent_item(ii.hir_id())); if self.tcx.impl_trait_ref(impl_def_id).is_none() { - self.check_missing_stability(ii.hir_id, ii.span); + self.check_missing_stability(ii.hir_id(), ii.span); } intravisit::walk_impl_item(self, ii); } @@ -594,12 +594,12 @@ impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> { } fn visit_foreign_item(&mut self, i: &'tcx hir::ForeignItem<'tcx>) { - self.check_missing_stability(i.hir_id, i.span); + self.check_missing_stability(i.hir_id(), i.span); intravisit::walk_foreign_item(self, i); } fn visit_macro_def(&mut self, md: &'tcx hir::MacroDef<'tcx>) { - self.check_missing_stability(md.hir_id, md.span); + self.check_missing_stability(md.hir_id(), md.span); } // Note that we don't need to `check_missing_stability` for default generic parameters, @@ -712,13 +712,12 @@ impl Visitor<'tcx> for Checker<'tcx> { return; } - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let cnum = match self.tcx.extern_mod_stmt_cnum(def_id) { + let cnum = match self.tcx.extern_mod_stmt_cnum(item.def_id) { Some(cnum) => cnum, None => return, }; let def_id = DefId { krate: cnum, index: CRATE_DEF_INDEX }; - self.tcx.check_stability(def_id, Some(item.hir_id), item.span); + self.tcx.check_stability(def_id, Some(item.hir_id()), item.span); } // For implementations of traits, check the stability of each item @@ -744,7 +743,7 @@ impl Visitor<'tcx> for Checker<'tcx> { .map_or(item.span, |a| a.span); self.tcx.struct_span_lint_hir( INEFFECTIVE_UNSTABLE_TRAIT_IMPL, - item.hir_id, + item.hir_id(), span, |lint| lint .build("an `#[unstable]` annotation here has no effect") @@ -775,15 +774,14 @@ impl Visitor<'tcx> for Checker<'tcx> { // There's no good place to insert stability check for non-Copy unions, // so semi-randomly perform it here in stability.rs hir::ItemKind::Union(..) if !self.tcx.features().untagged_unions => { - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let ty = self.tcx.type_of(def_id); + let ty = self.tcx.type_of(item.def_id); let (adt_def, substs) = match ty.kind() { ty::Adt(adt_def, substs) => (adt_def, substs), _ => bug!(), }; // Non-`Copy` fields are unstable, except for `ManuallyDrop`. - let param_env = self.tcx.param_env(def_id); + let param_env = self.tcx.param_env(item.def_id); for field in &adt_def.non_enum_variant().fields { let field_ty = field.ty(self.tcx, substs); if !field_ty.ty_adt_def().map_or(false, |adt_def| adt_def.is_manually_drop()) diff --git a/compiler/rustc_plugin_impl/src/build.rs b/compiler/rustc_plugin_impl/src/build.rs index 4796d9a80b6..d5c287fb3bc 100644 --- a/compiler/rustc_plugin_impl/src/build.rs +++ b/compiler/rustc_plugin_impl/src/build.rs @@ -1,7 +1,7 @@ //! Used by `rustc` when compiling a plugin crate. use rustc_hir as hir; -use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE}; +use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LOCAL_CRATE}; use rustc_hir::itemlikevisit::ItemLikeVisitor; use rustc_middle::ty::query::Providers; use rustc_middle::ty::TyCtxt; @@ -10,14 +10,14 @@ use rustc_span::Span; struct RegistrarFinder<'tcx> { tcx: TyCtxt<'tcx>, - registrars: Vec<(hir::HirId, Span)>, + registrars: Vec<(LocalDefId, Span)>, } impl<'v, 'tcx> ItemLikeVisitor<'v> for RegistrarFinder<'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { if let hir::ItemKind::Fn(..) = item.kind { if self.tcx.sess.contains_name(&item.attrs, sym::plugin_registrar) { - self.registrars.push((item.hir_id, item.span)); + self.registrars.push((item.def_id, item.span)); } } } @@ -43,8 +43,8 @@ fn plugin_registrar_fn(tcx: TyCtxt<'_>, cnum: CrateNum) -> Option<DefId> { match finder.registrars.len() { 0 => None, 1 => { - let (hir_id, _) = finder.registrars.pop().unwrap(); - Some(tcx.hir().local_def_id(hir_id).to_def_id()) + let (def_id, _) = finder.registrars.pop().unwrap(); + Some(def_id.to_def_id()) } _ => { let diagnostic = tcx.sess.diagnostic(); diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index 631dcb60594..890493fa853 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -454,11 +454,9 @@ impl EmbargoVisitor<'tcx> { let module_def_id = self.tcx.hir().local_def_id(reachable_mod); let module = self.tcx.hir().get_module(module_def_id).0; for item_id in module.item_ids { - let hir_id = item_id.id; - let item_def_id = self.tcx.hir().local_def_id(hir_id); - let def_kind = self.tcx.def_kind(item_def_id); - let vis = self.tcx.visibility(item_def_id); - self.update_macro_reachable_def(hir_id, def_kind, vis, defining_mod); + let def_kind = self.tcx.def_kind(item_id.def_id); + let vis = self.tcx.visibility(item_id.def_id); + self.update_macro_reachable_def(item_id.hir_id(), def_kind, vis, defining_mod); } if let Some(exports) = self.tcx.module_exports(module_def_id) { for export in exports { @@ -588,14 +586,17 @@ impl EmbargoVisitor<'tcx> { .map(|module_hir_id| self.tcx.hir().expect_item(module_hir_id)) { if let hir::ItemKind::Mod(m) = &item.kind { - for item_id in m.item_ids { - let item = self.tcx.hir().expect_item(item_id.id); - let def_id = self.tcx.hir().local_def_id(item_id.id); - if !self.tcx.hygienic_eq(segment.ident, item.ident, def_id.to_def_id()) { + for &item_id in m.item_ids { + let item = self.tcx.hir().item(item_id); + if !self.tcx.hygienic_eq( + segment.ident, + item.ident, + item_id.def_id.to_def_id(), + ) { continue; } if let hir::ItemKind::Use(..) = item.kind { - self.update(item.hir_id, Some(AccessLevel::Exported)); + self.update(item.hir_id(), Some(AccessLevel::Exported)); } } } @@ -616,7 +617,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { let inherited_item_level = match item.kind { hir::ItemKind::Impl { .. } => { - Option::<AccessLevel>::of_impl(item.hir_id, self.tcx, &self.access_levels) + Option::<AccessLevel>::of_impl(item.hir_id(), self.tcx, &self.access_levels) } // Foreign modules inherit level from parents. hir::ItemKind::ForeignMod { .. } => self.prev_level, @@ -644,7 +645,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { }; // Update level of the item itself. - let item_level = self.update(item.hir_id, inherited_item_level); + let item_level = self.update(item.hir_id(), inherited_item_level); // Update levels of nested things. match item.kind { @@ -662,13 +663,13 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { hir::ItemKind::Impl(ref impl_) => { for impl_item_ref in impl_.items { if impl_.of_trait.is_some() || impl_item_ref.vis.node.is_pub() { - self.update(impl_item_ref.id.hir_id, item_level); + self.update(impl_item_ref.id.hir_id(), item_level); } } } hir::ItemKind::Trait(.., trait_item_refs) => { for trait_item_ref in trait_item_refs { - self.update(trait_item_ref.id.hir_id, item_level); + self.update(trait_item_ref.id.hir_id(), item_level); } } hir::ItemKind::Struct(ref def, _) | hir::ItemKind::Union(ref def, _) => { @@ -684,7 +685,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { hir::ItemKind::ForeignMod { items, .. } => { for foreign_item in items { if foreign_item.vis.node.is_pub() { - self.update(foreign_item.id.hir_id, item_level); + self.update(foreign_item.id.hir_id(), item_level); } } } @@ -727,7 +728,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { // reachable if they are returned via `impl Trait`, even from private functions. let exist_level = cmp::max(item_level, Some(AccessLevel::ReachableFromImplTrait)); - self.reach(item.hir_id, exist_level).generics().predicates().ty(); + self.reach(item.hir_id(), exist_level).generics().predicates().ty(); } } // Visit everything. @@ -736,15 +737,15 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { | hir::ItemKind::Fn(..) | hir::ItemKind::TyAlias(..) => { if item_level.is_some() { - self.reach(item.hir_id, item_level).generics().predicates().ty(); + self.reach(item.hir_id(), item_level).generics().predicates().ty(); } } hir::ItemKind::Trait(.., trait_item_refs) => { if item_level.is_some() { - self.reach(item.hir_id, item_level).generics().predicates(); + self.reach(item.hir_id(), item_level).generics().predicates(); for trait_item_ref in trait_item_refs { - let mut reach = self.reach(trait_item_ref.id.hir_id, item_level); + let mut reach = self.reach(trait_item_ref.id.hir_id(), item_level); reach.generics().predicates(); if trait_item_ref.kind == AssocItemKind::Type @@ -759,18 +760,18 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { } hir::ItemKind::TraitAlias(..) => { if item_level.is_some() { - self.reach(item.hir_id, item_level).generics().predicates(); + self.reach(item.hir_id(), item_level).generics().predicates(); } } // Visit everything except for private impl items. hir::ItemKind::Impl(ref impl_) => { if item_level.is_some() { - self.reach(item.hir_id, item_level).generics().predicates().ty().trait_ref(); + self.reach(item.hir_id(), item_level).generics().predicates().ty().trait_ref(); for impl_item_ref in impl_.items { - let impl_item_level = self.get(impl_item_ref.id.hir_id); + let impl_item_level = self.get(impl_item_ref.id.hir_id()); if impl_item_level.is_some() { - self.reach(impl_item_ref.id.hir_id, impl_item_level) + self.reach(impl_item_ref.id.hir_id(), impl_item_level) .generics() .predicates() .ty(); @@ -782,7 +783,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { // Visit everything, but enum variants have their own levels. hir::ItemKind::Enum(ref def, _) => { if item_level.is_some() { - self.reach(item.hir_id, item_level).generics().predicates(); + self.reach(item.hir_id(), item_level).generics().predicates(); } for variant in def.variants { let variant_level = self.get(variant.id); @@ -792,16 +793,16 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { } // Corner case: if the variant is reachable, but its // enum is not, make the enum reachable as well. - self.update(item.hir_id, variant_level); + self.update(item.hir_id(), variant_level); } } } // Visit everything, but foreign items have their own levels. hir::ItemKind::ForeignMod { items, .. } => { for foreign_item in items { - let foreign_item_level = self.get(foreign_item.id.hir_id); + let foreign_item_level = self.get(foreign_item.id.hir_id()); if foreign_item_level.is_some() { - self.reach(foreign_item.id.hir_id, foreign_item_level) + self.reach(foreign_item.id.hir_id(), foreign_item_level) .generics() .predicates() .ty(); @@ -811,7 +812,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { // Visit everything except for private fields. hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => { if item_level.is_some() { - self.reach(item.hir_id, item_level).generics().predicates(); + self.reach(item.hir_id(), item_level).generics().predicates(); for field in struct_def.fields() { let field_level = self.get(field.hir_id); if field_level.is_some() { @@ -866,14 +867,12 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { // `#[macro_export]`-ed `macro_rules!` are `Public` since they // ignore their containing path to always appear at the crate root. if md.ast.macro_rules { - self.update(md.hir_id, Some(AccessLevel::Public)); + self.update(md.hir_id(), Some(AccessLevel::Public)); } return; } - let macro_module_def_id = - ty::DefIdTree::parent(self.tcx, self.tcx.hir().local_def_id(md.hir_id).to_def_id()) - .unwrap(); + let macro_module_def_id = ty::DefIdTree::parent(self.tcx, md.def_id.to_def_id()).unwrap(); let hir_id = macro_module_def_id .as_local() .map(|def_id| self.tcx.hir().local_def_id_to_hir_id(def_id)); @@ -883,7 +882,7 @@ impl Visitor<'tcx> for EmbargoVisitor<'tcx> { _ => return, }; let level = if md.vis.node.is_pub() { self.get(module_id) } else { None }; - let new_level = self.update(md.hir_id, level); + let new_level = self.update(md.hir_id(), level); if new_level.is_none() { return; } @@ -1037,7 +1036,7 @@ impl<'tcx> Visitor<'tcx> for NamePrivacyVisitor<'tcx> { } fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - let orig_current_item = self.current_item.replace(item.hir_id); + let orig_current_item = self.current_item.replace(item.hir_id()); intravisit::walk_item(self, item); self.current_item = orig_current_item; } @@ -1322,8 +1321,7 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> { // Check types in item interfaces. fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - let orig_current_item = - mem::replace(&mut self.current_item, self.tcx.hir().local_def_id(item.hir_id)); + let orig_current_item = mem::replace(&mut self.current_item, item.def_id); let old_maybe_typeck_results = self.maybe_typeck_results.take(); intravisit::walk_item(self, item); self.maybe_typeck_results = old_maybe_typeck_results; @@ -1463,7 +1461,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { hir::ItemKind::ForeignMod { .. } => {} hir::ItemKind::Trait(.., ref bounds, _) => { - if !self.trait_is_public(item.hir_id) { + if !self.trait_is_public(item.hir_id()) { return; } @@ -1526,7 +1524,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { let impl_item = self.tcx.hir().impl_item(impl_item_ref.id); match impl_item.kind { hir::ImplItemKind::Const(..) | hir::ImplItemKind::Fn(..) => { - self.access_levels.is_reachable(impl_item_ref.id.hir_id) + self.access_levels.is_reachable(impl_item_ref.id.hir_id()) } hir::ImplItemKind::TyAlias(_) => false, } @@ -1546,8 +1544,10 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { let impl_item = self.tcx.hir().impl_item(impl_item_ref.id); match impl_item.kind { hir::ImplItemKind::Const(..) | hir::ImplItemKind::Fn(..) - if self - .item_is_public(&impl_item.hir_id, &impl_item.vis) => + if self.item_is_public( + &impl_item.hir_id(), + &impl_item.vis, + ) => { intravisit::walk_impl_item(self, impl_item) } @@ -1588,7 +1588,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { // methods will be visible as `Public::foo`. let mut found_pub_static = false; for impl_item_ref in impl_.items { - if self.item_is_public(&impl_item_ref.id.hir_id, &impl_item_ref.vis) { + if self.item_is_public(&impl_item_ref.id.hir_id(), &impl_item_ref.vis) { let impl_item = self.tcx.hir().impl_item(impl_item_ref.id); match impl_item_ref.kind { AssocItemKind::Const => { @@ -1615,7 +1615,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { hir::ItemKind::TyAlias(..) => return, // Not at all public, so we don't care. - _ if !self.item_is_public(&item.hir_id, &item.vis) => { + _ if !self.item_is_public(&item.hir_id(), &item.vis) => { return; } @@ -1651,7 +1651,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { } fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'tcx>) { - if self.access_levels.is_reachable(item.hir_id) { + if self.access_levels.is_reachable(item.hir_id()) { intravisit::walk_foreign_item(self, item) } } @@ -1926,7 +1926,7 @@ impl<'a, 'tcx> Visitor<'tcx> for PrivateItemsInPublicInterfacesVisitor<'a, 'tcx> fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { let tcx = self.tcx; - let item_visibility = tcx.visibility(tcx.hir().local_def_id(item.hir_id).to_def_id()); + let item_visibility = tcx.visibility(item.def_id); match item.kind { // Crates are always public. @@ -1942,34 +1942,34 @@ impl<'a, 'tcx> Visitor<'tcx> for PrivateItemsInPublicInterfacesVisitor<'a, 'tcx> | hir::ItemKind::Static(..) | hir::ItemKind::Fn(..) | hir::ItemKind::TyAlias(..) => { - self.check(item.hir_id, item_visibility).generics().predicates().ty(); + self.check(item.hir_id(), item_visibility).generics().predicates().ty(); } hir::ItemKind::OpaqueTy(..) => { // `ty()` for opaque types is the underlying type, // it's not a part of interface, so we skip it. - self.check(item.hir_id, item_visibility).generics().bounds(); + self.check(item.hir_id(), item_visibility).generics().bounds(); } hir::ItemKind::Trait(.., trait_item_refs) => { - self.check(item.hir_id, item_visibility).generics().predicates(); + self.check(item.hir_id(), item_visibility).generics().predicates(); for trait_item_ref in trait_item_refs { self.check_assoc_item( - trait_item_ref.id.hir_id, + trait_item_ref.id.hir_id(), trait_item_ref.kind, trait_item_ref.defaultness, item_visibility, ); if let AssocItemKind::Type = trait_item_ref.kind { - self.check(trait_item_ref.id.hir_id, item_visibility).bounds(); + self.check(trait_item_ref.id.hir_id(), item_visibility).bounds(); } } } hir::ItemKind::TraitAlias(..) => { - self.check(item.hir_id, item_visibility).generics().predicates(); + self.check(item.hir_id(), item_visibility).generics().predicates(); } hir::ItemKind::Enum(ref def, _) => { - self.check(item.hir_id, item_visibility).generics().predicates(); + self.check(item.hir_id(), item_visibility).generics().predicates(); for variant in def.variants { for field in variant.data.fields() { @@ -1980,13 +1980,13 @@ impl<'a, 'tcx> Visitor<'tcx> for PrivateItemsInPublicInterfacesVisitor<'a, 'tcx> // Subitems of foreign modules have their own publicity. hir::ItemKind::ForeignMod { items, .. } => { for foreign_item in items { - let vis = tcx.visibility(tcx.hir().local_def_id(foreign_item.id.hir_id)); - self.check(foreign_item.id.hir_id, vis).generics().predicates().ty(); + let vis = tcx.visibility(foreign_item.id.def_id); + self.check(foreign_item.id.hir_id(), vis).generics().predicates().ty(); } } // Subitems of structs and unions have their own publicity. hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => { - self.check(item.hir_id, item_visibility).generics().predicates(); + self.check(item.hir_id(), item_visibility).generics().predicates(); for field in struct_def.fields() { let field_visibility = tcx.visibility(tcx.hir().local_def_id(field.hir_id)); @@ -1998,20 +1998,16 @@ impl<'a, 'tcx> Visitor<'tcx> for PrivateItemsInPublicInterfacesVisitor<'a, 'tcx> // A trait impl is public when both its type and its trait are public // Subitems of trait impls have inherited publicity. hir::ItemKind::Impl(ref impl_) => { - let impl_vis = ty::Visibility::of_impl(item.hir_id, tcx, &Default::default()); - self.check(item.hir_id, impl_vis).generics().predicates(); + let impl_vis = ty::Visibility::of_impl(item.hir_id(), tcx, &Default::default()); + self.check(item.hir_id(), impl_vis).generics().predicates(); for impl_item_ref in impl_.items { let impl_item_vis = if impl_.of_trait.is_none() { - min( - tcx.visibility(tcx.hir().local_def_id(impl_item_ref.id.hir_id)), - impl_vis, - tcx, - ) + min(tcx.visibility(impl_item_ref.id.def_id), impl_vis, tcx) } else { impl_vis }; self.check_assoc_item( - impl_item_ref.id.hir_id, + impl_item_ref.id.hir_id(), impl_item_ref.kind, impl_item_ref.defaultness, impl_item_vis, diff --git a/compiler/rustc_query_system/src/query/plumbing.rs b/compiler/rustc_query_system/src/query/plumbing.rs index 2610ce83e4d..4242324b968 100644 --- a/compiler/rustc_query_system/src/query/plumbing.rs +++ b/compiler/rustc_query_system/src/query/plumbing.rs @@ -385,6 +385,7 @@ where /// It returns the shard index and a lock guard to the shard, /// which will be used if the query is not in the cache and we need /// to compute it. +#[inline] pub fn try_get_cached<'a, CTX, C, R, OnHit>( tcx: CTX, cache: &'a QueryCacheStore<C>, diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index d2a693a5688..6457c6cee57 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -1105,7 +1105,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { } if let Some(items) = self.diagnostic_metadata.current_trait_assoc_items { - for assoc_item in &items[..] { + for assoc_item in items { if assoc_item.ident == ident { return Some(match &assoc_item.kind { ast::AssocItemKind::Const(..) => AssocSuggestion::AssocConst, diff --git a/compiler/rustc_resolve/src/late/lifetimes.rs b/compiler/rustc_resolve/src/late/lifetimes.rs index 0bab33976b2..c0e4a1bdf07 100644 --- a/compiler/rustc_resolve/src/late/lifetimes.rs +++ b/compiler/rustc_resolve/src/late/lifetimes.rs @@ -587,7 +587,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { // `type MyAnonTy<'b> = impl MyTrait<'b>;` // ^ ^ this gets resolved in the scope of // the opaque_ty generics - let opaque_ty = self.tcx.hir().expect_item(item_id.id); + let opaque_ty = self.tcx.hir().item(item_id); let (generics, bounds) = match opaque_ty.kind { // Named opaque `impl Trait` types are reached via `TyKind::Path`. // This arm is for `impl Trait` in the types of statics, constants and locals. @@ -632,20 +632,32 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { let hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id); // Ensure that the parent of the def is an item, not HRTB let parent_id = self.tcx.hir().get_parent_node(hir_id); - let parent_impl_id = hir::ImplItemId { hir_id: parent_id }; - let parent_trait_id = hir::TraitItemId { hir_id: parent_id }; - let krate = self.tcx.hir().krate(); - - if !(krate.items.contains_key(&parent_id) - || krate.impl_items.contains_key(&parent_impl_id) - || krate.trait_items.contains_key(&parent_trait_id)) + let parent_is_item = if let Some(parent_def_id) = + parent_id.as_owner() { + let parent_item_id = hir::ItemId { def_id: parent_def_id }; + let parent_impl_id = hir::ImplItemId { def_id: parent_def_id }; + let parent_trait_id = + hir::TraitItemId { def_id: parent_def_id }; + let parent_foreign_id = + hir::ForeignItemId { def_id: parent_def_id }; + let krate = self.tcx.hir().krate(); + + krate.items.contains_key(&parent_item_id) + || krate.impl_items.contains_key(&parent_impl_id) + || krate.trait_items.contains_key(&parent_trait_id) + || krate.foreign_items.contains_key(&parent_foreign_id) + } else { + false + }; + + if !parent_is_item { struct_span_err!( self.tcx.sess, lifetime.span, E0657, "`impl Trait` can only capture lifetimes \ - bound at the fn or impl level" + bound at the fn or impl level" ) .emit(); self.uninsert_lifetime_on_error(lifetime, def.unwrap()); @@ -738,7 +750,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { self.missing_named_lifetime_spots.push((&trait_item.generics).into()); let tcx = self.tcx; self.visit_early_late( - Some(tcx.hir().get_parent_item(trait_item.hir_id)), + Some(tcx.hir().get_parent_item(trait_item.hir_id())), &sig.decl, &trait_item.generics, |this| intravisit::walk_trait_item(this, trait_item), @@ -800,7 +812,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { self.missing_named_lifetime_spots.push((&impl_item.generics).into()); let tcx = self.tcx; self.visit_early_late( - Some(tcx.hir().get_parent_item(impl_item.hir_id)), + Some(tcx.hir().get_parent_item(impl_item.hir_id())), &sig.decl, &impl_item.generics, |this| intravisit::walk_impl_item(this, impl_item), @@ -1255,7 +1267,7 @@ fn compute_object_lifetime_defaults(tcx: TyCtxt<'_>) -> HirIdMap<Vec<ObjectLifet tcx.sess.span_err(item.span, &object_lifetime_default_reprs); } - map.insert(item.hir_id, result); + map.insert(item.hir_id(), result); } _ => {} } @@ -2111,7 +2123,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { self.tcx.hir().expect_item(self.tcx.hir().get_parent_item(parent)).kind { assoc_item_kind = - trait_items.iter().find(|ti| ti.id.hir_id == parent).map(|ti| ti.kind); + trait_items.iter().find(|ti| ti.id.hir_id() == parent).map(|ti| ti.kind); } match *m { hir::TraitFn::Required(_) => None, @@ -2125,7 +2137,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { { impl_self = Some(self_ty); assoc_item_kind = - items.iter().find(|ii| ii.id.hir_id == parent).map(|ii| ii.kind); + items.iter().find(|ii| ii.id.hir_id() == parent).map(|ii| ii.kind); } Some(body) } diff --git a/compiler/rustc_save_analysis/src/dump_visitor.rs b/compiler/rustc_save_analysis/src/dump_visitor.rs index 2834e7b6322..625d7c83120 100644 --- a/compiler/rustc_save_analysis/src/dump_visitor.rs +++ b/compiler/rustc_save_analysis/src/dump_visitor.rs @@ -373,14 +373,14 @@ impl<'tcx> DumpVisitor<'tcx> { body: hir::BodyId, ) { let map = &self.tcx.hir(); - self.nest_typeck_results(map.local_def_id(item.hir_id), |v| { + self.nest_typeck_results(item.def_id, |v| { let body = map.body(body); if let Some(fn_data) = v.save_ctxt.get_item_data(item) { down_cast_data!(fn_data, DefData, item.span); v.process_formals(body.params, &fn_data.qualname); - v.process_generic_params(ty_params, &fn_data.qualname, item.hir_id); + v.process_generic_params(ty_params, &fn_data.qualname, item.hir_id()); - v.dumper.dump_def(&access_from!(v.save_ctxt, item, item.hir_id), fn_data); + v.dumper.dump_def(&access_from!(v.save_ctxt, item, item.hir_id()), fn_data); } for arg in decl.inputs { @@ -401,10 +401,10 @@ impl<'tcx> DumpVisitor<'tcx> { typ: &'tcx hir::Ty<'tcx>, expr: &'tcx hir::Expr<'tcx>, ) { - self.nest_typeck_results(self.tcx.hir().local_def_id(item.hir_id), |v| { + self.nest_typeck_results(item.def_id, |v| { if let Some(var_data) = v.save_ctxt.get_item_data(item) { down_cast_data!(var_data, DefData, item.span); - v.dumper.dump_def(&access_from!(v.save_ctxt, item, item.hir_id), var_data); + v.dumper.dump_def(&access_from!(v.save_ctxt, item, item.hir_id()), var_data); } v.visit_ty(&typ); v.visit_expr(expr); @@ -465,10 +465,7 @@ impl<'tcx> DumpVisitor<'tcx> { ) { debug!("process_struct {:?} {:?}", item, item.span); let name = item.ident.to_string(); - let qualname = format!( - "::{}", - self.tcx.def_path_str(self.tcx.hir().local_def_id(item.hir_id).to_def_id()) - ); + let qualname = format!("::{}", self.tcx.def_path_str(item.def_id.to_def_id())); let kind = match item.kind { hir::ItemKind::Struct(_, _) => DefKind::Struct, @@ -500,10 +497,10 @@ impl<'tcx> DumpVisitor<'tcx> { if !self.span.filter_generated(item.ident.span) { let span = self.span_from_span(item.ident.span); self.dumper.dump_def( - &access_from!(self.save_ctxt, item, item.hir_id), + &access_from!(self.save_ctxt, item, item.hir_id()), Def { kind, - id: id_from_hir_id(item.hir_id, &self.save_ctxt), + id: id_from_def_id(item.def_id.to_def_id()), span, name, qualname: qualname.clone(), @@ -518,13 +515,13 @@ impl<'tcx> DumpVisitor<'tcx> { ); } - self.nest_typeck_results(self.tcx.hir().local_def_id(item.hir_id), |v| { + self.nest_typeck_results(item.def_id, |v| { for field in def.fields() { - v.process_struct_field_def(field, item.hir_id); + v.process_struct_field_def(field, item.hir_id()); v.visit_ty(&field.ty); } - v.process_generic_params(ty_params, &qualname, item.hir_id); + v.process_generic_params(ty_params, &qualname, item.hir_id()); }); } @@ -541,7 +538,7 @@ impl<'tcx> DumpVisitor<'tcx> { }; down_cast_data!(enum_data, DefData, item.span); - let access = access_from!(self.save_ctxt, item, item.hir_id); + let access = access_from!(self.save_ctxt, item, item.hir_id()); for variant in enum_definition.variants { let name = variant.ident.name.to_string(); @@ -556,7 +553,7 @@ impl<'tcx> DumpVisitor<'tcx> { if !self.span.filter_generated(name_span) { let span = self.span_from_span(name_span); let id = id_from_hir_id(variant.id, &self.save_ctxt); - let parent = Some(id_from_hir_id(item.hir_id, &self.save_ctxt)); + let parent = Some(id_from_def_id(item.def_id.to_def_id())); self.dumper.dump_def( &access, @@ -596,7 +593,7 @@ impl<'tcx> DumpVisitor<'tcx> { if !self.span.filter_generated(name_span) { let span = self.span_from_span(name_span); let id = id_from_hir_id(variant.id, &self.save_ctxt); - let parent = Some(id_from_hir_id(item.hir_id, &self.save_ctxt)); + let parent = Some(id_from_def_id(item.def_id.to_def_id())); self.dumper.dump_def( &access, @@ -627,7 +624,7 @@ impl<'tcx> DumpVisitor<'tcx> { self.visit_ty(field.ty); } } - self.process_generic_params(ty_params, &enum_data.qualname, item.hir_id); + self.process_generic_params(ty_params, &enum_data.qualname, item.hir_id()); self.dumper.dump_def(&access, enum_data); } @@ -644,17 +641,14 @@ impl<'tcx> DumpVisitor<'tcx> { } let map = &self.tcx.hir(); - self.nest_typeck_results(map.local_def_id(item.hir_id), |v| { + self.nest_typeck_results(item.def_id, |v| { v.visit_ty(&impl_.self_ty); if let Some(trait_ref) = &impl_.of_trait { v.process_path(trait_ref.hir_ref_id, &hir::QPath::Resolved(None, &trait_ref.path)); } - v.process_generic_params(&impl_.generics, "", item.hir_id); + v.process_generic_params(&impl_.generics, "", item.hir_id()); for impl_item in impl_.items { - v.process_impl_item( - map.impl_item(impl_item.id), - map.local_def_id(item.hir_id).to_def_id(), - ); + v.process_impl_item(map.impl_item(impl_item.id), item.def_id.to_def_id()); } }); } @@ -667,10 +661,7 @@ impl<'tcx> DumpVisitor<'tcx> { methods: &'tcx [hir::TraitItemRef], ) { let name = item.ident.to_string(); - let qualname = format!( - "::{}", - self.tcx.def_path_str(self.tcx.hir().local_def_id(item.hir_id).to_def_id()) - ); + let qualname = format!("::{}", self.tcx.def_path_str(item.def_id.to_def_id())); let mut val = name.clone(); if !generics.params.is_empty() { val.push_str(&generic_params_to_string(generics.params)); @@ -680,12 +671,12 @@ impl<'tcx> DumpVisitor<'tcx> { val.push_str(&bounds_to_string(trait_refs)); } if !self.span.filter_generated(item.ident.span) { - let id = id_from_hir_id(item.hir_id, &self.save_ctxt); + let id = id_from_def_id(item.def_id.to_def_id()); let span = self.span_from_span(item.ident.span); let children = - methods.iter().map(|i| id_from_hir_id(i.id.hir_id, &self.save_ctxt)).collect(); + methods.iter().map(|i| id_from_def_id(i.id.def_id.to_def_id())).collect(); self.dumper.dump_def( - &access_from!(self.save_ctxt, item, item.hir_id), + &access_from!(self.save_ctxt, item, item.hir_id()), Def { kind: DefKind::Trait, id, @@ -729,20 +720,17 @@ impl<'tcx> DumpVisitor<'tcx> { kind: RelationKind::SuperTrait, span, from: id_from_def_id(id), - to: id_from_hir_id(item.hir_id, &self.save_ctxt), + to: id_from_def_id(item.def_id.to_def_id()), }); } } } // walk generics and methods - self.process_generic_params(generics, &qualname, item.hir_id); + self.process_generic_params(generics, &qualname, item.hir_id()); for method in methods { let map = &self.tcx.hir(); - self.process_trait_item( - map.trait_item(method.id), - map.local_def_id(item.hir_id).to_def_id(), - ) + self.process_trait_item(map.trait_item(method.id), item.def_id.to_def_id()) } } @@ -750,7 +738,7 @@ impl<'tcx> DumpVisitor<'tcx> { fn process_mod(&mut self, item: &'tcx hir::Item<'tcx>) { if let Some(mod_data) = self.save_ctxt.get_item_data(item) { down_cast_data!(mod_data, DefData, item.span); - self.dumper.dump_def(&access_from!(self.save_ctxt, item, item.hir_id), mod_data); + self.dumper.dump_def(&access_from!(self.save_ctxt, item, item.hir_id()), mod_data); } } @@ -1011,7 +999,7 @@ impl<'tcx> DumpVisitor<'tcx> { let body = body.map(|b| &self.tcx.hir().body(b).value); let respan = respan(vis_span, hir::VisibilityKind::Public); self.process_assoc_const( - trait_item.hir_id, + trait_item.hir_id(), trait_item.ident, &ty, body, @@ -1027,7 +1015,7 @@ impl<'tcx> DumpVisitor<'tcx> { self.process_method( sig, body, - trait_item.hir_id, + trait_item.hir_id(), trait_item.ident, &trait_item.generics, &respan, @@ -1037,15 +1025,12 @@ impl<'tcx> DumpVisitor<'tcx> { hir::TraitItemKind::Type(ref bounds, ref default_ty) => { // FIXME do something with _bounds (for type refs) let name = trait_item.ident.name.to_string(); - let qualname = format!( - "::{}", - self.tcx - .def_path_str(self.tcx.hir().local_def_id(trait_item.hir_id).to_def_id()) - ); + let qualname = + format!("::{}", self.tcx.def_path_str(trait_item.def_id.to_def_id())); if !self.span.filter_generated(trait_item.ident.span) { let span = self.span_from_span(trait_item.ident.span); - let id = id_from_hir_id(trait_item.hir_id, &self.save_ctxt); + let id = id_from_def_id(trait_item.def_id.to_def_id()); self.dumper.dump_def( &Access { public: true, reachable: true }, @@ -1061,7 +1046,7 @@ impl<'tcx> DumpVisitor<'tcx> { decl_id: None, docs: self.save_ctxt.docs_for_attrs(&trait_item.attrs), sig: sig::assoc_type_signature( - trait_item.hir_id, + trait_item.hir_id(), trait_item.ident, Some(bounds), default_ty.as_ref().map(|ty| &**ty), @@ -1088,7 +1073,7 @@ impl<'tcx> DumpVisitor<'tcx> { hir::ImplItemKind::Const(ref ty, body) => { let body = self.tcx.hir().body(body); self.process_assoc_const( - impl_item.hir_id, + impl_item.hir_id(), impl_item.ident, &ty, Some(&body.value), @@ -1101,7 +1086,7 @@ impl<'tcx> DumpVisitor<'tcx> { self.process_method( sig, Some(body), - impl_item.hir_id, + impl_item.hir_id(), impl_item.ident, &impl_item.generics, &impl_item.vis, @@ -1130,7 +1115,7 @@ impl<'tcx> DumpVisitor<'tcx> { .module .item_ids .iter() - .map(|i| id_from_hir_id(i.id, &self.save_ctxt)) + .map(|i| id_from_def_id(i.def_id.to_def_id())) .collect(); let span = self.span_from_span(krate.item.span); @@ -1179,16 +1164,11 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { hir::ItemKind::Use(path, hir::UseKind::Single) => { let sub_span = path.segments.last().unwrap().ident.span; if !self.span.filter_generated(sub_span) { - let access = access_from!(self.save_ctxt, item, item.hir_id); - let ref_id = self.lookup_def_id(item.hir_id).map(id_from_def_id); + let access = access_from!(self.save_ctxt, item, item.hir_id()); + let ref_id = self.lookup_def_id(item.hir_id()).map(id_from_def_id); let span = self.span_from_span(sub_span); - let parent = self - .save_ctxt - .tcx - .hir() - .opt_local_def_id(item.hir_id) - .and_then(|id| self.save_ctxt.tcx.parent(id.to_def_id())) - .map(id_from_def_id); + let parent = + self.save_ctxt.tcx.parent(item.def_id.to_def_id()).map(id_from_def_id); self.dumper.import( &access, Import { @@ -1206,23 +1186,17 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { } hir::ItemKind::Use(path, hir::UseKind::Glob) => { // Make a comma-separated list of names of imported modules. - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let names = self.tcx.names_imported_by_glob_use(def_id); + let names = self.tcx.names_imported_by_glob_use(item.def_id); let names: Vec<_> = names.iter().map(|n| n.to_string()).collect(); // Otherwise it's a span with wrong macro expansion info, which // we don't want to track anyway, since it's probably macro-internal `use` if let Some(sub_span) = self.span.sub_span_of_star(item.span) { if !self.span.filter_generated(item.span) { - let access = access_from!(self.save_ctxt, item, item.hir_id); + let access = access_from!(self.save_ctxt, item, item.hir_id()); let span = self.span_from_span(sub_span); - let parent = self - .save_ctxt - .tcx - .hir() - .opt_local_def_id(item.hir_id) - .and_then(|id| self.save_ctxt.tcx.parent(id.to_def_id())) - .map(id_from_def_id); + let parent = + self.save_ctxt.tcx.parent(item.def_id.to_def_id()).map(id_from_def_id); self.dumper.import( &access, Import { @@ -1243,13 +1217,8 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { let name_span = item.ident.span; if !self.span.filter_generated(name_span) { let span = self.span_from_span(name_span); - let parent = self - .save_ctxt - .tcx - .hir() - .opt_local_def_id(item.hir_id) - .and_then(|id| self.save_ctxt.tcx.parent(id.to_def_id())) - .map(id_from_def_id); + let parent = + self.save_ctxt.tcx.parent(item.def_id.to_def_id()).map(id_from_def_id); self.dumper.import( &Access { public: false, reachable: false }, Import { @@ -1286,20 +1255,17 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { } hir::ItemKind::Mod(ref m) => { self.process_mod(item); - intravisit::walk_mod(self, m, item.hir_id); + intravisit::walk_mod(self, m, item.hir_id()); } hir::ItemKind::TyAlias(ty, ref generics) => { - let qualname = format!( - "::{}", - self.tcx.def_path_str(self.tcx.hir().local_def_id(item.hir_id).to_def_id()) - ); + let qualname = format!("::{}", self.tcx.def_path_str(item.def_id.to_def_id())); let value = ty_to_string(&ty); if !self.span.filter_generated(item.ident.span) { let span = self.span_from_span(item.ident.span); - let id = id_from_hir_id(item.hir_id, &self.save_ctxt); + let id = id_from_def_id(item.def_id.to_def_id()); self.dumper.dump_def( - &access_from!(self.save_ctxt, item, item.hir_id), + &access_from!(self.save_ctxt, item, item.hir_id()), Def { kind: DefKind::Type, id, @@ -1318,7 +1284,7 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { } self.visit_ty(ty); - self.process_generic_params(generics, &qualname, item.hir_id); + self.process_generic_params(generics, &qualname, item.hir_id()); } _ => intravisit::walk_item(self, item), } @@ -1382,10 +1348,8 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { }); } hir::TyKind::OpaqueDef(item_id, _) => { - let item = self.tcx.hir().item(item_id.id); - self.nest_typeck_results(self.tcx.hir().local_def_id(item_id.id), |v| { - v.visit_item(item) - }); + let item = self.tcx.hir().item(item_id); + self.nest_typeck_results(item_id.def_id, |v| v.visit_item(item)); } _ => intravisit::walk_ty(self, t), } @@ -1485,14 +1449,14 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> { } fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'tcx>) { - let access = access_from!(self.save_ctxt, item, item.hir_id); + let access = access_from!(self.save_ctxt, item, item.hir_id()); match item.kind { hir::ForeignItemKind::Fn(decl, _, ref generics) => { if let Some(fn_data) = self.save_ctxt.get_extern_item_data(item) { down_cast_data!(fn_data, DefData, item.span); - self.process_generic_params(generics, &fn_data.qualname, item.hir_id); + self.process_generic_params(generics, &fn_data.qualname, item.hir_id()); self.dumper.dump_def(&access, fn_data); } diff --git a/compiler/rustc_save_analysis/src/lib.rs b/compiler/rustc_save_analysis/src/lib.rs index 129123349a0..b3f281bcabc 100644 --- a/compiler/rustc_save_analysis/src/lib.rs +++ b/compiler/rustc_save_analysis/src/lib.rs @@ -137,7 +137,7 @@ impl<'tcx> SaveContext<'tcx> { } pub fn get_extern_item_data(&self, item: &hir::ForeignItem<'_>) -> Option<Data> { - let def_id = self.tcx.hir().local_def_id(item.hir_id).to_def_id(); + let def_id = item.def_id.to_def_id(); let qualname = format!("::{}", self.tcx.def_path_str(def_id)); match item.kind { hir::ForeignItemKind::Fn(ref decl, arg_names, ref generics) => { @@ -156,7 +156,7 @@ impl<'tcx> SaveContext<'tcx> { unsafety: hir::Unsafety::Unsafe, // functions in extern block cannot be const constness: hir::Constness::NotConst, - abi: self.tcx.hir().get_foreign_abi(item.hir_id), + abi: self.tcx.hir().get_foreign_abi(item.hir_id()), // functions in extern block cannot be async asyncness: hir::IsAsync::NotAsync, }, @@ -201,7 +201,7 @@ impl<'tcx> SaveContext<'tcx> { } pub fn get_item_data(&self, item: &hir::Item<'_>) -> Option<Data> { - let def_id = self.tcx.hir().local_def_id(item.hir_id).to_def_id(); + let def_id = item.def_id.to_def_id(); match item.kind { hir::ItemKind::Fn(ref sig, ref generics, _) => { let qualname = format!("::{}", self.tcx.def_path_str(def_id)); @@ -290,7 +290,11 @@ impl<'tcx> SaveContext<'tcx> { span: self.span_from_span(item.ident.span), value: filename.to_string(), parent: None, - children: m.item_ids.iter().map(|i| id_from_hir_id(i.id, self)).collect(), + children: m + .item_ids + .iter() + .map(|i| id_from_def_id(i.def_id.to_def_id())) + .collect(), decl_id: None, docs: self.docs_for_attrs(&item.attrs), sig: sig::item_signature(item, self), @@ -354,7 +358,7 @@ impl<'tcx> SaveContext<'tcx> { parent: None, children: items .iter() - .map(|i| id_from_hir_id(i.id.hir_id, self)) + .map(|i| id_from_def_id(i.id.def_id.to_def_id())) .collect(), docs: String::new(), sig: None, diff --git a/compiler/rustc_save_analysis/src/sig.rs b/compiler/rustc_save_analysis/src/sig.rs index 8ada7e34fe8..33db189af37 100644 --- a/compiler/rustc_save_analysis/src/sig.rs +++ b/compiler/rustc_save_analysis/src/sig.rs @@ -317,8 +317,8 @@ impl<'hir> Sig for hir::Ty<'hir> { Ok(replace_text(nested_ty, text)) } hir::TyKind::OpaqueDef(item_id, _) => { - let item = scx.tcx.hir().item(item_id.id); - item.make(offset, Some(item_id.id), scx) + let item = scx.tcx.hir().item(item_id); + item.make(offset, Some(item_id.hir_id()), scx) } hir::TyKind::Typeof(_) | hir::TyKind::Infer | hir::TyKind::Err => Err("Ty"), } @@ -327,7 +327,7 @@ impl<'hir> Sig for hir::Ty<'hir> { impl<'hir> Sig for hir::Item<'hir> { fn make(&self, offset: usize, _parent_id: Option<hir::HirId>, scx: &SaveContext<'_>) -> Result { - let id = Some(self.hir_id); + let id = Some(self.hir_id()); match self.kind { hir::ItemKind::Static(ref ty, m, ref body) => { @@ -337,7 +337,7 @@ impl<'hir> Sig for hir::Item<'hir> { } let name = self.ident.to_string(); let defs = vec![SigElement { - id: id_from_hir_id(self.hir_id, scx), + id: id_from_def_id(self.def_id.to_def_id()), start: offset + text.len(), end: offset + text.len() + name.len(), }]; @@ -359,7 +359,7 @@ impl<'hir> Sig for hir::Item<'hir> { let mut text = "const ".to_owned(); let name = self.ident.to_string(); let defs = vec![SigElement { - id: id_from_hir_id(self.hir_id, scx), + id: id_from_def_id(self.def_id.to_def_id()), start: offset + text.len(), end: offset + text.len() + name.len(), }]; @@ -391,7 +391,7 @@ impl<'hir> Sig for hir::Item<'hir> { text.push_str("fn "); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; sig.text.push('('); for i in decl.inputs { @@ -420,7 +420,7 @@ impl<'hir> Sig for hir::Item<'hir> { let mut text = "mod ".to_owned(); let name = self.ident.to_string(); let defs = vec![SigElement { - id: id_from_hir_id(self.hir_id, scx), + id: id_from_def_id(self.def_id.to_def_id()), start: offset + text.len(), end: offset + text.len() + name.len(), }]; @@ -433,7 +433,7 @@ impl<'hir> Sig for hir::Item<'hir> { hir::ItemKind::TyAlias(ref ty, ref generics) => { let text = "type ".to_owned(); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; sig.text.push_str(" = "); let ty = ty.make(offset + sig.text.len(), id, scx)?; @@ -445,21 +445,21 @@ impl<'hir> Sig for hir::Item<'hir> { hir::ItemKind::Enum(_, ref generics) => { let text = "enum ".to_owned(); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; sig.text.push_str(" {}"); Ok(sig) } hir::ItemKind::Struct(_, ref generics) => { let text = "struct ".to_owned(); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; sig.text.push_str(" {}"); Ok(sig) } hir::ItemKind::Union(_, ref generics) => { let text = "union ".to_owned(); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; sig.text.push_str(" {}"); Ok(sig) } @@ -475,7 +475,7 @@ impl<'hir> Sig for hir::Item<'hir> { } text.push_str("trait "); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; if !bounds.is_empty() { sig.text.push_str(": "); @@ -490,7 +490,7 @@ impl<'hir> Sig for hir::Item<'hir> { let mut text = String::new(); text.push_str("trait "); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; if !bounds.is_empty() { sig.text.push_str(" = "); @@ -736,14 +736,14 @@ impl<'hir> Sig for hir::Variant<'hir> { impl<'hir> Sig for hir::ForeignItem<'hir> { fn make(&self, offset: usize, _parent_id: Option<hir::HirId>, scx: &SaveContext<'_>) -> Result { - let id = Some(self.hir_id); + let id = Some(self.hir_id()); match self.kind { hir::ForeignItemKind::Fn(decl, _, ref generics) => { let mut text = String::new(); text.push_str("fn "); let mut sig = - name_and_generics(text, offset, generics, self.hir_id, self.ident, scx)?; + name_and_generics(text, offset, generics, self.hir_id(), self.ident, scx)?; sig.text.push('('); for i in decl.inputs { @@ -774,7 +774,7 @@ impl<'hir> Sig for hir::ForeignItem<'hir> { } let name = self.ident.to_string(); let defs = vec![SigElement { - id: id_from_hir_id(self.hir_id, scx), + id: id_from_def_id(self.def_id.to_def_id()), start: offset + text.len(), end: offset + text.len() + name.len(), }]; @@ -790,7 +790,7 @@ impl<'hir> Sig for hir::ForeignItem<'hir> { let mut text = "type ".to_owned(); let name = self.ident.to_string(); let defs = vec![SigElement { - id: id_from_hir_id(self.hir_id, scx), + id: id_from_def_id(self.def_id.to_def_id()), start: offset + text.len(), end: offset + text.len() + name.len(), }]; diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 210dbb0ee99..4533b37f10b 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1350,7 +1350,7 @@ pub fn parse_error_format( error_format } -fn parse_crate_edition(matches: &getopts::Matches) -> Edition { +pub fn parse_crate_edition(matches: &getopts::Matches) -> Edition { let edition = match matches.opt_str("edition") { Some(arg) => Edition::from_str(&arg).unwrap_or_else(|_| { early_error( diff --git a/compiler/rustc_span/src/def_id.rs b/compiler/rustc_span/src/def_id.rs index b24ede9c53a..70e9526f626 100644 --- a/compiler/rustc_span/src/def_id.rs +++ b/compiler/rustc_span/src/def_id.rs @@ -227,6 +227,8 @@ pub struct LocalDefId { pub local_def_index: DefIndex, } +pub const CRATE_DEF_ID: LocalDefId = LocalDefId { local_def_index: CRATE_DEF_INDEX }; + impl Idx for LocalDefId { #[inline] fn new(idx: usize) -> Self { @@ -268,6 +270,8 @@ impl<D: Decoder> Decodable<D> for LocalDefId { } } +rustc_data_structures::define_id_collections!(LocalDefIdMap, LocalDefIdSet, LocalDefId); + impl<CTX: HashStableContext> HashStable<CTX> for DefId { fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) { hcx.hash_def_id(*self, hasher) diff --git a/compiler/rustc_span/src/source_map.rs b/compiler/rustc_span/src/source_map.rs index 298c995b166..b7eb6d5b379 100644 --- a/compiler/rustc_span/src/source_map.rs +++ b/compiler/rustc_span/src/source_map.rs @@ -778,16 +778,35 @@ impl SourceMap { self.span_until_char(sp, '{') } - /// Returns a new span representing just the start point of this span. + /// Returns a new span representing just the first character of the given span. pub fn start_point(&self, sp: Span) -> Span { - let pos = sp.lo().0; - let width = self.find_width_of_character_at_span(sp, false); - let corrected_start_position = pos.checked_add(width).unwrap_or(pos); - let end_point = BytePos(cmp::max(corrected_start_position, sp.lo().0)); - sp.with_hi(end_point) + let width = { + let sp = sp.data(); + let local_begin = self.lookup_byte_offset(sp.lo); + let start_index = local_begin.pos.to_usize(); + let src = local_begin.sf.external_src.borrow(); + + let snippet = if let Some(ref src) = local_begin.sf.src { + Some(&src[start_index..]) + } else if let Some(src) = src.get_source() { + Some(&src[start_index..]) + } else { + None + }; + + match snippet { + None => 1, + Some(snippet) => match snippet.chars().next() { + None => 1, + Some(c) => c.len_utf8(), + }, + } + }; + + sp.with_hi(BytePos(sp.lo().0 + width as u32)) } - /// Returns a new span representing just the end point of this span. + /// Returns a new span representing just the last character of this span. pub fn end_point(&self, sp: Span) -> Span { let pos = sp.hi().0; @@ -816,7 +835,8 @@ impl SourceMap { Span::new(BytePos(start_of_next_point), end_of_next_point, sp.ctxt()) } - /// Finds the width of a character, either before or after the provided span. + /// Finds the width of the character, either before or after the end of provided span, + /// depending on the `forwards` parameter. fn find_width_of_character_at_span(&self, sp: Span, forwards: bool) -> u32 { let sp = sp.data(); if sp.lo == sp.hi { @@ -863,11 +883,9 @@ impl SourceMap { // We need to extend the snippet to the end of the src rather than to end_index so when // searching forwards for boundaries we've got somewhere to search. let snippet = if let Some(ref src) = local_begin.sf.src { - let len = src.len(); - &src[start_index..len] + &src[start_index..] } else if let Some(src) = src.get_source() { - let len = src.len(); - &src[start_index..len] + &src[start_index..] } else { return 1; }; diff --git a/compiler/rustc_symbol_mangling/src/test.rs b/compiler/rustc_symbol_mangling/src/test.rs index 8c5e438a728..bfe9c4d6de3 100644 --- a/compiler/rustc_symbol_mangling/src/test.rs +++ b/compiler/rustc_symbol_mangling/src/test.rs @@ -5,6 +5,7 @@ //! paths etc in all kinds of annoying scenarios. use rustc_hir as hir; +use rustc_hir::def_id::LocalDefId; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{subst::InternalSubsts, Instance, TyCtxt}; use rustc_span::symbol::{sym, Symbol}; @@ -31,9 +32,8 @@ struct SymbolNamesTest<'tcx> { } impl SymbolNamesTest<'tcx> { - fn process_attrs(&mut self, hir_id: hir::HirId) { + fn process_attrs(&mut self, def_id: LocalDefId) { let tcx = self.tcx; - let def_id = tcx.hir().local_def_id(hir_id); for attr in tcx.get_attrs(def_id.to_def_id()).iter() { if tcx.sess.check_name(attr, SYMBOL_NAME) { let def_id = def_id.to_def_id(); @@ -61,18 +61,18 @@ impl SymbolNamesTest<'tcx> { impl hir::itemlikevisit::ItemLikeVisitor<'tcx> for SymbolNamesTest<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - self.process_attrs(item.hir_id); + self.process_attrs(item.def_id); } fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { - self.process_attrs(trait_item.hir_id); + self.process_attrs(trait_item.def_id); } fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { - self.process_attrs(impl_item.hir_id); + self.process_attrs(impl_item.def_id); } fn visit_foreign_item(&mut self, foreign_item: &'tcx hir::ForeignItem<'tcx>) { - self.process_attrs(foreign_item.hir_id); + self.process_attrs(foreign_item.def_id); } } diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 0e55c4ec0b7..5b14795f545 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -783,9 +783,11 @@ supported_targets! { ("riscv32imc-unknown-none-elf", riscv32imc_unknown_none_elf), ("riscv32imac-unknown-none-elf", riscv32imac_unknown_none_elf), ("riscv32gc-unknown-linux-gnu", riscv32gc_unknown_linux_gnu), + ("riscv32gc-unknown-linux-musl", riscv32gc_unknown_linux_musl), ("riscv64imac-unknown-none-elf", riscv64imac_unknown_none_elf), ("riscv64gc-unknown-none-elf", riscv64gc_unknown_none_elf), ("riscv64gc-unknown-linux-gnu", riscv64gc_unknown_linux_gnu), + ("riscv64gc-unknown-linux-musl", riscv64gc_unknown_linux_musl), ("aarch64-unknown-none", aarch64_unknown_none), ("aarch64-unknown-none-softfloat", aarch64_unknown_none_softfloat), @@ -1492,7 +1494,7 @@ impl Target { } ); ($key_name:ident = $json_name:expr, optional) => ( { let name = $json_name; - if let Some(o) = obj.find(&name[..]) { + if let Some(o) = obj.find(name) { base.$key_name = o .as_string() .map(|s| s.to_string() ); diff --git a/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_musl.rs new file mode 100644 index 00000000000..e5fbd09297f --- /dev/null +++ b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_musl.rs @@ -0,0 +1,19 @@ +use crate::spec::{CodeModel, Target, TargetOptions}; + +pub fn target() -> Target { + Target { + llvm_target: "riscv32-unknown-linux-musl".to_string(), + pointer_width: 32, + data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(), + arch: "riscv32".to_string(), + options: TargetOptions { + unsupported_abis: super::riscv_base::unsupported_abis(), + code_model: Some(CodeModel::Medium), + cpu: "generic-rv32".to_string(), + features: "+m,+a,+f,+d,+c".to_string(), + llvm_abiname: "ilp32d".to_string(), + max_atomic_width: Some(32), + ..super::linux_musl_base::opts() + }, + } +} diff --git a/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_musl.rs new file mode 100644 index 00000000000..0232b15e8c2 --- /dev/null +++ b/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_musl.rs @@ -0,0 +1,19 @@ +use crate::spec::{CodeModel, Target, TargetOptions}; + +pub fn target() -> Target { + Target { + llvm_target: "riscv64-unknown-linux-musl".to_string(), + pointer_width: 64, + data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".to_string(), + arch: "riscv64".to_string(), + options: TargetOptions { + unsupported_abis: super::riscv_base::unsupported_abis(), + code_model: Some(CodeModel::Medium), + cpu: "generic-rv64".to_string(), + features: "+m,+a,+f,+d,+c".to_string(), + llvm_abiname: "lp64d".to_string(), + max_atomic_width: Some(64), + ..super::linux_musl_base::opts() + }, + } +} diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index 77aa4413409..76d27c29226 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -82,7 +82,7 @@ fn associated_item_from_trait_item_ref( parent_def_id: LocalDefId, trait_item_ref: &hir::TraitItemRef, ) -> ty::AssocItem { - let def_id = tcx.hir().local_def_id(trait_item_ref.id.hir_id); + let def_id = trait_item_ref.id.def_id; let (kind, has_self) = match trait_item_ref.kind { hir::AssocItemKind::Const => (ty::AssocKind::Const, false), hir::AssocItemKind::Fn { has_self } => (ty::AssocKind::Fn, has_self), @@ -105,7 +105,7 @@ fn associated_item_from_impl_item_ref( parent_def_id: LocalDefId, impl_item_ref: &hir::ImplItemRef<'_>, ) -> ty::AssocItem { - let def_id = tcx.hir().local_def_id(impl_item_ref.id.hir_id); + let def_id = impl_item_ref.id.def_id; let (kind, has_self) = match impl_item_ref.kind { hir::AssocItemKind::Const => (ty::AssocKind::Const, false), hir::AssocItemKind::Fn { has_self } => (ty::AssocKind::Fn, has_self), @@ -130,7 +130,9 @@ fn associated_item(tcx: TyCtxt<'_>, def_id: DefId) -> ty::AssocItem { let parent_item = tcx.hir().expect_item(parent_id); match parent_item.kind { hir::ItemKind::Impl(ref impl_) => { - if let Some(impl_item_ref) = impl_.items.iter().find(|i| i.id.hir_id == id) { + if let Some(impl_item_ref) = + impl_.items.iter().find(|i| i.id.def_id.to_def_id() == def_id) + { let assoc_item = associated_item_from_impl_item_ref(tcx, parent_def_id, impl_item_ref); debug_assert_eq!(assoc_item.def_id, def_id); @@ -139,7 +141,9 @@ fn associated_item(tcx: TyCtxt<'_>, def_id: DefId) -> ty::AssocItem { } hir::ItemKind::Trait(.., ref trait_item_refs) => { - if let Some(trait_item_ref) = trait_item_refs.iter().find(|i| i.id.hir_id == id) { + if let Some(trait_item_ref) = + trait_item_refs.iter().find(|i| i.id.def_id.to_def_id() == def_id) + { let assoc_item = associated_item_from_trait_item_ref(tcx, parent_def_id, trait_item_ref); debug_assert_eq!(assoc_item.def_id, def_id); @@ -196,17 +200,10 @@ fn associated_item_def_ids(tcx: TyCtxt<'_>, def_id: DefId) -> &[DefId] { let item = tcx.hir().expect_item(id); match item.kind { hir::ItemKind::Trait(.., ref trait_item_refs) => tcx.arena.alloc_from_iter( - trait_item_refs - .iter() - .map(|trait_item_ref| trait_item_ref.id) - .map(|id| tcx.hir().local_def_id(id.hir_id).to_def_id()), + trait_item_refs.iter().map(|trait_item_ref| trait_item_ref.id.def_id.to_def_id()), ), hir::ItemKind::Impl(ref impl_) => tcx.arena.alloc_from_iter( - impl_ - .items - .iter() - .map(|impl_item_ref| impl_item_ref.id) - .map(|id| tcx.hir().local_def_id(id.hir_id).to_def_id()), + impl_.items.iter().map(|impl_item_ref| impl_item_ref.id.def_id.to_def_id()), ), hir::ItemKind::TraitAlias(..) => &[], _ => span_bug!(item.span, "associated_item_def_ids: not impl or trait"), diff --git a/compiler/rustc_typeck/src/astconv/errors.rs b/compiler/rustc_typeck/src/astconv/errors.rs index 545c30169b9..b5404c3a15c 100644 --- a/compiler/rustc_typeck/src/astconv/errors.rs +++ b/compiler/rustc_typeck/src/astconv/errors.rs @@ -237,7 +237,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } } if let ([], [bound]) = (&potential_assoc_types[..], &trait_bounds) { - match &bound.trait_ref.path.segments[..] { + match bound.trait_ref.path.segments { // FIXME: `trait_ref.path.span` can point to a full path with multiple // segments, even though `trait_ref.path.segments` is of length `1`. Work // around that bug here, even though it should be fixed elsewhere. diff --git a/compiler/rustc_typeck/src/astconv/generics.rs b/compiler/rustc_typeck/src/astconv/generics.rs index 67e37ca8d8e..0ea0ccaceab 100644 --- a/compiler/rustc_typeck/src/astconv/generics.rs +++ b/compiler/rustc_typeck/src/astconv/generics.rs @@ -6,8 +6,9 @@ use crate::astconv::{ use crate::errors::AssocTypeBindingNotAllowed; use crate::structured_errors::{StructuredDiagnostic, WrongNumberOfGenericArgs}; use rustc_ast::ast::ParamKindOrd; -use rustc_errors::{struct_span_err, Applicability, ErrorReported}; +use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, ErrorReported}; use rustc_hir as hir; +use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::GenericArg; use rustc_middle::ty::{ @@ -43,23 +44,57 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } } + let add_braces_suggestion = |arg: &GenericArg<'_>, err: &mut DiagnosticBuilder<'_>| { + let suggestions = vec![ + (arg.span().shrink_to_lo(), String::from("{ ")), + (arg.span().shrink_to_hi(), String::from(" }")), + ]; + err.multipart_suggestion( + "if this generic argument was intended as a const parameter, \ + surround it with braces", + suggestions, + Applicability::MaybeIncorrect, + ); + }; + // Specific suggestion set for diagnostics match (arg, ¶m.kind) { ( - GenericArg::Type(hir::Ty { kind: hir::TyKind::Path { .. }, .. }), - GenericParamDefKind::Const { .. }, - ) => { - let suggestions = vec![ - (arg.span().shrink_to_lo(), String::from("{ ")), - (arg.span().shrink_to_hi(), String::from(" }")), - ]; - err.multipart_suggestion( - "if this generic argument was intended as a const parameter, \ - try surrounding it with braces:", - suggestions, - Applicability::MaybeIncorrect, - ); - } + GenericArg::Type(hir::Ty { + kind: hir::TyKind::Path(rustc_hir::QPath::Resolved(_, path)), + .. + }), + GenericParamDefKind::Const, + ) => match path.res { + Res::Err => { + add_braces_suggestion(arg, &mut err); + err.set_primary_message( + "unresolved item provided when a constant was expected", + ) + .emit(); + return; + } + Res::Def(DefKind::TyParam, src_def_id) => { + if let Some(param_local_id) = param.def_id.as_local() { + let param_hir_id = tcx.hir().local_def_id_to_hir_id(param_local_id); + let param_name = tcx.hir().ty_param_name(param_hir_id); + let param_type = tcx.type_of(param.def_id); + if param_type.is_suggestable() { + err.span_suggestion( + tcx.def_span(src_def_id), + "consider changing this type paramater to a `const`-generic", + format!("const {}: {}", param_name, param_type), + Applicability::MaybeIncorrect, + ); + }; + } + } + _ => add_braces_suggestion(arg, &mut err), + }, + ( + GenericArg::Type(hir::Ty { kind: hir::TyKind::Path(_), .. }), + GenericParamDefKind::Const, + ) => add_braces_suggestion(arg, &mut err), ( GenericArg::Type(hir::Ty { kind: hir::TyKind::Array(_, len), .. }), GenericParamDefKind::Const { .. }, diff --git a/compiler/rustc_typeck/src/astconv/mod.rs b/compiler/rustc_typeck/src/astconv/mod.rs index c9cc47b83e3..2e1fb44d3b5 100644 --- a/compiler/rustc_typeck/src/astconv/mod.rs +++ b/compiler/rustc_typeck/src/astconv/mod.rs @@ -2210,8 +2210,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { self.res_to_ty(opt_self_ty, path, false) } hir::TyKind::OpaqueDef(item_id, ref lifetimes) => { - let opaque_ty = tcx.hir().expect_item(item_id.id); - let def_id = tcx.hir().local_def_id(item_id.id).to_def_id(); + let opaque_ty = tcx.hir().item(item_id); + let def_id = item_id.def_id.to_def_id(); match opaque_ty.kind { hir::ItemKind::OpaqueTy(hir::OpaqueTy { impl_trait_fn, .. }) => { @@ -2374,7 +2374,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { crate::collect::placeholder_type_error( tcx, ident_span.map(|sp| sp.shrink_to_hi()), - &generics.params[..], + generics.params, visitor.0, true, hir_ty, diff --git a/compiler/rustc_typeck/src/check/check.rs b/compiler/rustc_typeck/src/check/check.rs index 012ccb1af46..5d7f5bf1c7b 100644 --- a/compiler/rustc_typeck/src/check/check.rs +++ b/compiler/rustc_typeck/src/check/check.rs @@ -7,8 +7,9 @@ use rustc_attr as attr; use rustc_errors::{Applicability, ErrorReported}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE}; +use rustc_hir::intravisit::Visitor; use rustc_hir::lang_items::LangItem; -use rustc_hir::{ItemKind, Node}; +use rustc_hir::{def::Res, ItemKind, Node, PathSegment}; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{RegionVariableOrigin, TyCtxtInferExt}; use rustc_middle::ty::fold::TypeFoldable; @@ -373,8 +374,7 @@ pub(super) fn check_fn<'a, 'tcx>( (fcx, gen_ty) } -pub(super) fn check_struct(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) { - let def_id = tcx.hir().local_def_id(id); +fn check_struct(tcx: TyCtxt<'_>, def_id: LocalDefId, span: Span) { let def = tcx.adt_def(def_id); def.destructor(tcx); // force the destructor to be evaluated check_representable(tcx, span, def_id); @@ -387,8 +387,7 @@ pub(super) fn check_struct(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) { check_packed(tcx, span, def); } -fn check_union(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) { - let def_id = tcx.hir().local_def_id(id); +fn check_union(tcx: TyCtxt<'_>, def_id: LocalDefId, span: Span) { let def = tcx.adt_def(def_id); def.destructor(tcx); // force the destructor to be evaluated check_representable(tcx, span, def_id); @@ -515,10 +514,11 @@ pub(super) fn check_opaque_for_inheriting_lifetimes( } } - #[derive(Debug)] struct ProhibitOpaqueVisitor<'tcx> { opaque_identity_ty: Ty<'tcx>, generics: &'tcx ty::Generics, + tcx: TyCtxt<'tcx>, + selftys: Vec<(Span, Option<String>)>, } impl<'tcx> ty::fold::TypeVisitor<'tcx> for ProhibitOpaqueVisitor<'tcx> { @@ -535,6 +535,29 @@ pub(super) fn check_opaque_for_inheriting_lifetimes( } } + impl Visitor<'tcx> for ProhibitOpaqueVisitor<'tcx> { + type Map = rustc_middle::hir::map::Map<'tcx>; + + fn nested_visit_map(&mut self) -> hir::intravisit::NestedVisitorMap<Self::Map> { + hir::intravisit::NestedVisitorMap::OnlyBodies(self.tcx.hir()) + } + + fn visit_ty(&mut self, arg: &'tcx hir::Ty<'tcx>) { + match arg.kind { + hir::TyKind::Path(hir::QPath::Resolved(None, path)) => match &path.segments { + [PathSegment { res: Some(Res::SelfTy(_, impl_ref)), .. }] => { + let impl_ty_name = + impl_ref.map(|(def_id, _)| self.tcx.def_path_str(def_id)); + self.selftys.push((path.span, impl_ty_name)); + } + _ => {} + }, + _ => {} + } + hir::intravisit::walk_ty(self, arg); + } + } + if let ItemKind::OpaqueTy(hir::OpaqueTy { origin: hir::OpaqueTyOrigin::AsyncFn | hir::OpaqueTyOrigin::FnReturn, .. @@ -546,17 +569,20 @@ pub(super) fn check_opaque_for_inheriting_lifetimes( InternalSubsts::identity_for_item(tcx, def_id.to_def_id()), ), generics: tcx.generics_of(def_id), + tcx, + selftys: vec![], }; let prohibit_opaque = tcx .explicit_item_bounds(def_id) .iter() .try_for_each(|(predicate, _)| predicate.visit_with(&mut visitor)); debug!( - "check_opaque_for_inheriting_lifetimes: prohibit_opaque={:?}, visitor={:?}", - prohibit_opaque, visitor + "check_opaque_for_inheriting_lifetimes: prohibit_opaque={:?}, visitor.opaque_identity_ty={:?}, visitor.generics={:?}", + prohibit_opaque, visitor.opaque_identity_ty, visitor.generics ); if let Some(ty) = prohibit_opaque.break_value() { + visitor.visit_item(&item); let is_async = match item.kind { ItemKind::OpaqueTy(hir::OpaqueTy { origin, .. }) => { matches!(origin, hir::OpaqueTyOrigin::AsyncFn) @@ -573,15 +599,13 @@ pub(super) fn check_opaque_for_inheriting_lifetimes( if is_async { "async fn" } else { "impl Trait" }, ); - if let Ok(snippet) = tcx.sess.source_map().span_to_snippet(span) { - if snippet == "Self" { - err.span_suggestion( - span, - "consider spelling out the type instead", - format!("{:?}", ty), - Applicability::MaybeIncorrect, - ); - } + for (span, name) in visitor.selftys { + err.span_suggestion( + span, + "consider spelling out the type instead", + name.unwrap_or_else(|| format!("{:?}", ty)), + Applicability::MaybeIncorrect, + ); } err.emit(); } @@ -683,34 +707,32 @@ fn check_opaque_meets_bounds<'tcx>( pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { debug!( - "check_item_type(it.hir_id={}, it.name={})", - it.hir_id, - tcx.def_path_str(tcx.hir().local_def_id(it.hir_id).to_def_id()) + "check_item_type(it.def_id={:?}, it.name={})", + it.def_id, + tcx.def_path_str(it.def_id.to_def_id()) ); let _indenter = indenter(); match it.kind { // Consts can play a role in type-checking, so they are included here. hir::ItemKind::Static(..) => { - let def_id = tcx.hir().local_def_id(it.hir_id); - tcx.ensure().typeck(def_id); - maybe_check_static_with_link_section(tcx, def_id, it.span); - check_static_inhabited(tcx, def_id, it.span); + tcx.ensure().typeck(it.def_id); + maybe_check_static_with_link_section(tcx, it.def_id, it.span); + check_static_inhabited(tcx, it.def_id, it.span); } hir::ItemKind::Const(..) => { - tcx.ensure().typeck(tcx.hir().local_def_id(it.hir_id)); + tcx.ensure().typeck(it.def_id); } hir::ItemKind::Enum(ref enum_definition, _) => { - check_enum(tcx, it.span, &enum_definition.variants, it.hir_id); + check_enum(tcx, it.span, &enum_definition.variants, it.def_id); } hir::ItemKind::Fn(..) => {} // entirely within check_item_body hir::ItemKind::Impl(ref impl_) => { - debug!("ItemKind::Impl {} with id {}", it.ident, it.hir_id); - let impl_def_id = tcx.hir().local_def_id(it.hir_id); - if let Some(impl_trait_ref) = tcx.impl_trait_ref(impl_def_id) { + debug!("ItemKind::Impl {} with id {:?}", it.ident, it.def_id); + if let Some(impl_trait_ref) = tcx.impl_trait_ref(it.def_id) { check_impl_items_against_trait( tcx, it.span, - impl_def_id, + it.def_id, impl_trait_ref, &impl_.items, ); @@ -719,8 +741,7 @@ pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { } } hir::ItemKind::Trait(_, _, _, _, ref items) => { - let def_id = tcx.hir().local_def_id(it.hir_id); - check_on_unimplemented(tcx, def_id.to_def_id(), it); + check_on_unimplemented(tcx, it.def_id.to_def_id(), it); for item in items.iter() { let item = tcx.hir().trait_item(item.id); @@ -730,16 +751,15 @@ pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { fn_maybe_err(tcx, item.ident.span, abi); } hir::TraitItemKind::Type(.., Some(_default)) => { - let item_def_id = tcx.hir().local_def_id(item.hir_id).to_def_id(); - let assoc_item = tcx.associated_item(item_def_id); + let assoc_item = tcx.associated_item(item.def_id); let trait_substs = - InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); + InternalSubsts::identity_for_item(tcx, it.def_id.to_def_id()); let _: Result<_, rustc_errors::ErrorReported> = check_type_bounds( tcx, assoc_item, assoc_item, item.span, - ty::TraitRef { def_id: def_id.to_def_id(), substs: trait_substs }, + ty::TraitRef { def_id: it.def_id.to_def_id(), substs: trait_substs }, ); } _ => {} @@ -747,10 +767,10 @@ pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { } } hir::ItemKind::Struct(..) => { - check_struct(tcx, it.hir_id, it.span); + check_struct(tcx, it.def_id, it.span); } hir::ItemKind::Union(..) => { - check_union(tcx, it.hir_id, it.span); + check_union(tcx, it.def_id, it.span); } hir::ItemKind::OpaqueTy(hir::OpaqueTy { origin, .. }) => { // HACK(jynelson): trying to infer the type of `impl trait` breaks documenting @@ -758,16 +778,13 @@ pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { // Since rustdoc doesn't care about the concrete type behind `impl Trait`, just don't look at it! // See https://github.com/rust-lang/rust/issues/75100 if !tcx.sess.opts.actually_rustdoc { - let def_id = tcx.hir().local_def_id(it.hir_id); - - let substs = InternalSubsts::identity_for_item(tcx, def_id.to_def_id()); - check_opaque(tcx, def_id, substs, it.span, &origin); + let substs = InternalSubsts::identity_for_item(tcx, it.def_id.to_def_id()); + check_opaque(tcx, it.def_id, substs, it.span, &origin); } } hir::ItemKind::TyAlias(..) => { - let def_id = tcx.hir().local_def_id(it.hir_id); - let pty_ty = tcx.type_of(def_id); - let generics = tcx.generics_of(def_id); + let pty_ty = tcx.type_of(it.def_id); + let generics = tcx.generics_of(it.def_id); check_type_params_are_used(tcx, &generics, pty_ty); } hir::ItemKind::ForeignMod { abi, items } => { @@ -785,7 +802,7 @@ pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { } } else { for item in items { - let def_id = tcx.hir().local_def_id(item.id.hir_id); + let def_id = item.id.def_id; let generics = tcx.generics_of(def_id); let own_counts = generics.own_counts(); if generics.params.len() - own_counts.lifetimes != 0 { @@ -835,9 +852,8 @@ pub fn check_item_type<'tcx>(tcx: TyCtxt<'tcx>, it: &'tcx hir::Item<'tcx>) { } pub(super) fn check_on_unimplemented(tcx: TyCtxt<'_>, trait_def_id: DefId, item: &hir::Item<'_>) { - let item_def_id = tcx.hir().local_def_id(item.hir_id); // an error would be reported if this fails. - let _ = traits::OnUnimplementedDirective::of_item(tcx, trait_def_id, item_def_id.to_def_id()); + let _ = traits::OnUnimplementedDirective::of_item(tcx, trait_def_id, item.def_id.to_def_id()); } pub(super) fn check_specialization_validity<'tcx>( @@ -938,7 +954,7 @@ pub(super) fn check_impl_items_against_trait<'tcx>( // Check existing impl methods to see if they are both present in trait // and compatible with trait signature for impl_item in impl_items { - let ty_impl_item = tcx.associated_item(tcx.hir().local_def_id(impl_item.hir_id)); + let ty_impl_item = tcx.associated_item(impl_item.def_id); let mut items = associated_items.filter_by_name(tcx, ty_impl_item.ident, impl_trait_ref.def_id); @@ -1345,13 +1361,12 @@ pub(super) fn check_transparent<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, adt: &'tcx ty } #[allow(trivial_numeric_casts)] -pub fn check_enum<'tcx>( +fn check_enum<'tcx>( tcx: TyCtxt<'tcx>, sp: Span, vs: &'tcx [hir::Variant<'tcx>], - id: hir::HirId, + def_id: LocalDefId, ) { - let def_id = tcx.hir().local_def_id(id); let def = tcx.adt_def(def_id); def.destructor(tcx); // force the destructor to be evaluated diff --git a/compiler/rustc_typeck/src/check/compare_method.rs b/compiler/rustc_typeck/src/check/compare_method.rs index d37d6bc4f2d..a30a8107933 100644 --- a/compiler/rustc_typeck/src/check/compare_method.rs +++ b/compiler/rustc_typeck/src/check/compare_method.rs @@ -823,11 +823,11 @@ fn compare_synthetic_generics<'tcx>( // FIXME: this is obviously suboptimal since the name can already be used // as another generic argument let new_name = tcx.sess.source_map().span_to_snippet(trait_span).ok()?; - let trait_m = tcx.hir().local_def_id_to_hir_id(trait_m.def_id.as_local()?); - let trait_m = tcx.hir().trait_item(hir::TraitItemId { hir_id: trait_m }); + let trait_m = trait_m.def_id.as_local()?; + let trait_m = tcx.hir().trait_item(hir::TraitItemId { def_id: trait_m }); - let impl_m = tcx.hir().local_def_id_to_hir_id(impl_m.def_id.as_local()?); - let impl_m = tcx.hir().impl_item(hir::ImplItemId { hir_id: impl_m }); + let impl_m = impl_m.def_id.as_local()?; + let impl_m = tcx.hir().impl_item(hir::ImplItemId { def_id: impl_m }); // in case there are no generics, take the spot between the function name // and the opening paren of the argument list @@ -860,8 +860,8 @@ fn compare_synthetic_generics<'tcx>( (None, Some(hir::SyntheticTyParamKind::ImplTrait)) => { err.span_label(impl_span, "expected `impl Trait`, found generic parameter"); (|| { - let impl_m = tcx.hir().local_def_id_to_hir_id(impl_m.def_id.as_local()?); - let impl_m = tcx.hir().impl_item(hir::ImplItemId { hir_id: impl_m }); + let impl_m = impl_m.def_id.as_local()?; + let impl_m = tcx.hir().impl_item(hir::ImplItemId { def_id: impl_m }); let input_tys = match impl_m.kind { hir::ImplItemKind::Fn(ref sig, _) => sig.decl.inputs, _ => unreachable!(), diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs index bc1a07801ae..9e6c11d9ddd 100644 --- a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs +++ b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs @@ -897,7 +897,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return ( path.res, opt_qself.as_ref().map(|qself| self.to_ty(qself)), - &path.segments[..], + path.segments, ); } QPath::TypeRelative(ref qself, ref segment) => (self.to_ty(qself), qself, segment), diff --git a/compiler/rustc_typeck/src/check/intrinsic.rs b/compiler/rustc_typeck/src/check/intrinsic.rs index e99db7a247c..dedf96863ea 100644 --- a/compiler/rustc_typeck/src/check/intrinsic.rs +++ b/compiler/rustc_typeck/src/check/intrinsic.rs @@ -9,7 +9,6 @@ use crate::require_same_types; use rustc_errors::struct_span_err; use rustc_hir as hir; -use rustc_hir::def_id::DefId; use rustc_middle::traits::{ObligationCause, ObligationCauseCode}; use rustc_middle::ty::subst::Subst; use rustc_middle::ty::{self, TyCtxt}; @@ -21,7 +20,6 @@ use std::iter; fn equate_intrinsic_type<'tcx>( tcx: TyCtxt<'tcx>, it: &hir::ForeignItem<'_>, - def_id: DefId, n_tps: usize, sig: ty::PolyFnSig<'tcx>, ) { @@ -35,7 +33,7 @@ fn equate_intrinsic_type<'tcx>( } } - let i_n_tps = tcx.generics_of(def_id).own_counts().types; + let i_n_tps = tcx.generics_of(it.def_id).own_counts().types; if i_n_tps != n_tps { let span = match it.kind { hir::ForeignItemKind::Fn(_, _, ref generics) => generics.span, @@ -51,8 +49,8 @@ fn equate_intrinsic_type<'tcx>( } let fty = tcx.mk_fn_ptr(sig); - let cause = ObligationCause::new(it.span, it.hir_id, ObligationCauseCode::IntrinsicType); - require_same_types(tcx, &cause, tcx.mk_fn_ptr(tcx.fn_sig(def_id)), fty); + let cause = ObligationCause::new(it.span, it.hir_id(), ObligationCauseCode::IntrinsicType); + require_same_types(tcx, &cause, tcx.mk_fn_ptr(tcx.fn_sig(it.def_id)), fty); } /// Returns `true` if the given intrinsic is unsafe to call or not. @@ -100,8 +98,7 @@ pub fn intrinsic_operation_unsafety(intrinsic: Symbol) -> hir::Unsafety { /// and in `library/core/src/intrinsics.rs`. pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { let param = |n| tcx.mk_ty_param(n, Symbol::intern(&format!("P{}", n))); - let def_id = tcx.hir().local_def_id(it.hir_id).to_def_id(); - let intrinsic_name = tcx.item_name(def_id); + let intrinsic_name = tcx.item_name(it.def_id.to_def_id()); let name_str = intrinsic_name.as_str(); let mk_va_list_ty = |mutbl| { @@ -370,7 +367,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { }; let sig = tcx.mk_fn_sig(inputs.into_iter(), output, false, unsafety, Abi::RustIntrinsic); let sig = ty::Binder::bind(sig); - equate_intrinsic_type(tcx, it, def_id, n_tps, sig) + equate_intrinsic_type(tcx, it, n_tps, sig) } /// Type-check `extern "platform-intrinsic" { ... }` functions. @@ -380,7 +377,6 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) tcx.mk_ty_param(n, name) }; - let def_id = tcx.hir().local_def_id(it.hir_id).to_def_id(); let name = it.ident.name; let (n_tps, inputs, output) = match name { @@ -464,5 +460,5 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) Abi::PlatformIntrinsic, ); let sig = ty::Binder::dummy(sig); - equate_intrinsic_type(tcx, it, def_id, n_tps, sig) + equate_intrinsic_type(tcx, it, n_tps, sig) } diff --git a/compiler/rustc_typeck/src/check/method/suggest.rs b/compiler/rustc_typeck/src/check/method/suggest.rs index d49c7cae822..faa47230d3a 100644 --- a/compiler/rustc_typeck/src/check/method/suggest.rs +++ b/compiler/rustc_typeck/src/check/method/suggest.rs @@ -11,7 +11,6 @@ use rustc_hir::intravisit; use rustc_hir::lang_items::LangItem; use rustc_hir::{ExprKind, Node, QPath}; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; -use rustc_middle::hir::map as hir_map; use rustc_middle::ty::fast_reject::simplify_type; use rustc_middle::ty::print::with_crate_prefix; use rustc_middle::ty::{ @@ -600,7 +599,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }); if let Some(hir::Node::Item(hir::Item { kind, .. })) = node { if let Some(g) = kind.generics() { - let key = match &g.where_clause.predicates[..] { + let key = match g.where_clause.predicates { [.., pred] => (pred.span().shrink_to_hi(), false), [] => ( g.where_clause @@ -1352,17 +1351,15 @@ fn compute_all_traits(tcx: TyCtxt<'_>) -> Vec<DefId> { // Crate-local: - struct Visitor<'a, 'tcx> { - map: &'a hir_map::Map<'tcx>, + struct Visitor<'a> { traits: &'a mut Vec<DefId>, } - impl<'v, 'a, 'tcx> itemlikevisit::ItemLikeVisitor<'v> for Visitor<'a, 'tcx> { + impl<'v, 'a> itemlikevisit::ItemLikeVisitor<'v> for Visitor<'a> { fn visit_item(&mut self, i: &'v hir::Item<'v>) { match i.kind { hir::ItemKind::Trait(..) | hir::ItemKind::TraitAlias(..) => { - let def_id = self.map.local_def_id(i.hir_id); - self.traits.push(def_id.to_def_id()); + self.traits.push(i.def_id.to_def_id()); } _ => (), } @@ -1375,7 +1372,7 @@ fn compute_all_traits(tcx: TyCtxt<'_>) -> Vec<DefId> { fn visit_foreign_item(&mut self, _foreign_item: &hir::ForeignItem<'_>) {} } - tcx.hir().krate().visit_all_item_likes(&mut Visitor { map: &tcx.hir(), traits: &mut traits }); + tcx.hir().krate().visit_all_item_likes(&mut Visitor { traits: &mut traits }); // Cross-crate: @@ -1445,8 +1442,8 @@ impl intravisit::Visitor<'tcx> for UsePlacementFinder<'tcx> { return; } // Find a `use` statement. - for item_id in module.item_ids { - let item = self.tcx.hir().expect_item(item_id.id); + for &item_id in module.item_ids { + let item = self.tcx.hir().item(item_id); match item.kind { hir::ItemKind::Use(..) => { // Don't suggest placing a `use` before the prelude diff --git a/compiler/rustc_typeck/src/check/upvar.rs b/compiler/rustc_typeck/src/check/upvar.rs index d097f863ad2..69c09528662 100644 --- a/compiler/rustc_typeck/src/check/upvar.rs +++ b/compiler/rustc_typeck/src/check/upvar.rs @@ -180,7 +180,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { debug!("seed place {:?}", place); let upvar_id = ty::UpvarId::new(*var_hir_id, local_def_id); - let capture_kind = self.init_capture_kind(capture_clause, upvar_id, span); + let capture_kind = + self.init_capture_kind_for_place(&place, capture_clause, upvar_id, span); let fake_info = ty::CaptureInfo { capture_kind_expr_id: None, path_expr_id: None, @@ -205,11 +206,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // If we have an origin, store it. if let Some(origin) = delegate.current_origin.clone() { let origin = if self.tcx.features().capture_disjoint_fields { - origin + (origin.0, restrict_capture_precision(origin.1)) } else { - // FIXME(project-rfc-2229#31): Once the changes to support reborrowing are - // made, make sure we are selecting and restricting - // the origin correctly. (origin.0, Place { projections: vec![], ..origin.1 }) }; @@ -449,7 +447,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { base => bug!("Expected upvar, found={:?}", base), }; - let place = restrict_capture_precision(place, capture_info.capture_kind); + let place = restrict_capture_precision(place); let min_cap_list = match root_var_min_capture_list.get_mut(&var_hir_id) { None => { @@ -897,15 +895,24 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - fn init_capture_kind( + fn init_capture_kind_for_place( &self, + place: &Place<'tcx>, capture_clause: hir::CaptureBy, upvar_id: ty::UpvarId, closure_span: Span, ) -> ty::UpvarCapture<'tcx> { match capture_clause { - hir::CaptureBy::Value => ty::UpvarCapture::ByValue(None), - hir::CaptureBy::Ref => { + // In case of a move closure if the data is accessed through a reference we + // want to capture by ref to allow precise capture using reborrows. + // + // If the data will be moved out of this place, then the place will be truncated + // at the first Deref in `adjust_upvar_borrow_kind_for_consume` and then moved into + // the closure. + hir::CaptureBy::Value if !place.deref_tys().any(ty::TyS::is_ref) => { + ty::UpvarCapture::ByValue(None) + } + hir::CaptureBy::Value | hir::CaptureBy::Ref => { let origin = UpvarRegion(upvar_id, closure_span); let upvar_region = self.next_region_var(origin); let upvar_borrow = ty::UpvarBorrow { kind: ty::ImmBorrow, region: upvar_region }; @@ -1109,12 +1116,25 @@ impl<'a, 'tcx> InferBorrowKind<'a, 'tcx> { place_with_id, diag_expr_id, mode ); - // we only care about moves - match mode { - euv::Copy => { + match (self.capture_clause, mode) { + // In non-move closures, we only care about moves + (hir::CaptureBy::Ref, euv::Copy) => return, + + // We want to capture Copy types that read through a ref via a reborrow + (hir::CaptureBy::Value, euv::Copy) + if place_with_id.place.deref_tys().any(ty::TyS::is_ref) => + { return; } - euv::Move => {} + + (hir::CaptureBy::Ref, euv::Move) | (hir::CaptureBy::Value, euv::Move | euv::Copy) => {} + }; + + let place = truncate_capture_for_move(place_with_id.place.clone()); + let place_with_id = PlaceWithHirId { place: place.clone(), hir_id: place_with_id.hir_id }; + + if !self.capture_information.contains_key(&place) { + self.init_capture_info_for_place(&place_with_id, diag_expr_id); } let tcx = self.fcx.tcx; @@ -1128,13 +1148,15 @@ impl<'a, 'tcx> InferBorrowKind<'a, 'tcx> { let usage_span = tcx.hir().span(diag_expr_id); - // To move out of an upvar, this must be a FnOnce closure - self.adjust_closure_kind( - upvar_id.closure_expr_id, - ty::ClosureKind::FnOnce, - usage_span, - place_with_id.place.clone(), - ); + if matches!(mode, euv::Move) { + // To move out of an upvar, this must be a FnOnce closure + self.adjust_closure_kind( + upvar_id.closure_expr_id, + ty::ClosureKind::FnOnce, + usage_span, + place.clone(), + ); + } let capture_info = ty::CaptureInfo { capture_kind_expr_id: Some(diag_expr_id), @@ -1317,8 +1339,12 @@ impl<'a, 'tcx> InferBorrowKind<'a, 'tcx> { if let PlaceBase::Upvar(upvar_id) = place_with_id.place.base { assert_eq!(self.closure_def_id.expect_local(), upvar_id.closure_expr_id); - let capture_kind = - self.fcx.init_capture_kind(self.capture_clause, upvar_id, self.closure_span); + let capture_kind = self.fcx.init_capture_kind_for_place( + &place_with_id.place, + self.capture_clause, + upvar_id, + self.closure_span, + ); let expr_id = Some(diag_expr_id); let capture_info = ty::CaptureInfo { @@ -1392,15 +1418,10 @@ impl<'a, 'tcx> euv::Delegate<'tcx> for InferBorrowKind<'a, 'tcx> { } /// Truncate projections so that following rules are obeyed by the captured `place`: -/// -/// - No Derefs in move closure, this will result in value behind a reference getting moved. /// - No projections are applied to raw pointers, since these require unsafe blocks. We capture /// them completely. /// - No Index projections are captured, since arrays are captured completely. -fn restrict_capture_precision<'tcx>( - mut place: Place<'tcx>, - capture_kind: ty::UpvarCapture<'tcx>, -) -> Place<'tcx> { +fn restrict_capture_precision<'tcx>(mut place: Place<'tcx>) -> Place<'tcx> { if place.projections.is_empty() { // Nothing to do here return place; @@ -1412,7 +1433,6 @@ fn restrict_capture_precision<'tcx>( } let mut truncated_length = usize::MAX; - let mut first_deref_projection = usize::MAX; for (i, proj) in place.projections.iter().enumerate() { if proj.ty.is_unsafe_ptr() { @@ -1426,31 +1446,30 @@ fn restrict_capture_precision<'tcx>( truncated_length = truncated_length.min(i); break; } - ProjectionKind::Deref => { - // We only drop Derefs in case of move closures - // There might be an index projection or raw ptr ahead, so we don't stop here. - first_deref_projection = first_deref_projection.min(i); - } + ProjectionKind::Deref => {} ProjectionKind::Field(..) => {} // ignore ProjectionKind::Subslice => {} // We never capture this } } - let length = place - .projections - .len() - .min(truncated_length) - // In case of capture `ByValue` we want to not capture derefs - .min(match capture_kind { - ty::UpvarCapture::ByValue(..) => first_deref_projection, - ty::UpvarCapture::ByRef(..) => usize::MAX, - }); + let length = place.projections.len().min(truncated_length); place.projections.truncate(length); place } +/// Truncates a place so that the resultant capture doesn't move data out of a reference +fn truncate_capture_for_move(mut place: Place<'tcx>) -> Place<'tcx> { + if let Some(i) = place.projections.iter().position(|proj| proj.kind == ProjectionKind::Deref) { + // We only drop Derefs in case of move closures + // There might be an index projection or raw ptr ahead, so we don't stop here. + place.projections.truncate(i); + } + + place +} + fn construct_place_string(tcx: TyCtxt<'_>, place: &Place<'tcx>) -> String { let variable_name = match place.base { PlaceBase::Upvar(upvar_id) => var_name(tcx, upvar_id.var_path.hir_id).to_string(), diff --git a/compiler/rustc_typeck/src/check/wfcheck.rs b/compiler/rustc_typeck/src/check/wfcheck.rs index c90db4786e3..00c6550835b 100644 --- a/compiler/rustc_typeck/src/check/wfcheck.rs +++ b/compiler/rustc_typeck/src/check/wfcheck.rs @@ -80,8 +80,8 @@ pub fn check_item_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) { let item = tcx.hir().expect_item(hir_id); debug!( - "check_item_well_formed(it.hir_id={:?}, it.name={})", - item.hir_id, + "check_item_well_formed(it.def_id={:?}, it.name={})", + item.def_id, tcx.def_path_str(def_id.to_def_id()) ); @@ -105,7 +105,7 @@ pub fn check_item_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) { // for `T` hir::ItemKind::Impl(ref impl_) => { let is_auto = tcx - .impl_trait_ref(tcx.hir().local_def_id(item.hir_id)) + .impl_trait_ref(item.def_id) .map_or(false, |trait_ref| tcx.trait_is_auto(trait_ref.def_id)); if let (hir::Defaultness::Default { .. }, true) = (impl_.defaultness, is_auto) { let sp = impl_.of_trait.as_ref().map_or(item.span, |t| t.path.span); @@ -141,23 +141,23 @@ 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); + check_item_fn(tcx, item.hir_id(), item.ident, item.span, sig.decl); } hir::ItemKind::Static(ref ty, ..) => { - check_item_type(tcx, item.hir_id, ty.span, false); + check_item_type(tcx, item.hir_id(), ty.span, false); } hir::ItemKind::Const(ref ty, ..) => { - check_item_type(tcx, item.hir_id, ty.span, false); + 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, ..) => { - check_item_fn(tcx, it.hir_id, it.ident, it.span, decl) + check_item_fn(tcx, it.hir_id(), it.ident, it.span, decl) } hir::ForeignItemKind::Static(ref ty, ..) => { - check_item_type(tcx, it.hir_id, ty.span, true) + check_item_type(tcx, it.hir_id(), ty.span, true) } hir::ForeignItemKind::Type => (), } @@ -197,7 +197,7 @@ pub fn check_trait_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { _ => None, }; check_object_unsafe_self_trait_by_name(tcx, &trait_item); - check_associated_item(tcx, trait_item.hir_id, trait_item.span, method_sig); + check_associated_item(tcx, trait_item.hir_id(), trait_item.span, method_sig); } fn could_be_self(trait_def_id: LocalDefId, ty: &hir::Ty<'_>) -> bool { @@ -213,9 +213,9 @@ fn could_be_self(trait_def_id: LocalDefId, ty: &hir::Ty<'_>) -> bool { /// Detect when an object unsafe trait is referring to itself in one of its associated items. /// When this is done, suggest using `Self` instead. fn check_object_unsafe_self_trait_by_name(tcx: TyCtxt<'_>, item: &hir::TraitItem<'_>) { - let (trait_name, trait_def_id) = match tcx.hir().get(tcx.hir().get_parent_item(item.hir_id)) { + let (trait_name, trait_def_id) = match tcx.hir().get(tcx.hir().get_parent_item(item.hir_id())) { hir::Node::Item(item) => match item.kind { - hir::ItemKind::Trait(..) => (item.ident, tcx.hir().local_def_id(item.hir_id)), + hir::ItemKind::Trait(..) => (item.ident, item.def_id), _ => return, }, _ => return, @@ -271,7 +271,7 @@ pub fn check_impl_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { _ => None, }; - check_associated_item(tcx, impl_item.hir_id, impl_item.span, method_sig); + check_associated_item(tcx, impl_item.hir_id(), impl_item.span, method_sig); } fn check_param_wf(tcx: TyCtxt<'_>, param: &hir::GenericParam<'_>) { @@ -432,7 +432,7 @@ fn check_associated_item( } fn for_item<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item<'_>) -> CheckWfFcxBuilder<'tcx> { - for_id(tcx, item.hir_id, item.span) + for_id(tcx, item.hir_id(), item.span) } fn for_id(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) -> CheckWfFcxBuilder<'_> { @@ -465,8 +465,7 @@ fn check_type_defn<'tcx, F>( { for_item(tcx, item).with_fcx(|fcx, fcx_tcx| { let variants = lookup_fields(fcx); - let def_id = fcx.tcx.hir().local_def_id(item.hir_id); - let packed = fcx.tcx.adt_def(def_id).repr.packed(); + let packed = fcx.tcx.adt_def(item.def_id).repr.packed(); for variant in &variants { // For DST, or when drop needs to copy things around, all @@ -482,7 +481,7 @@ fn check_type_defn<'tcx, F>( // Just treat unresolved type expression as if it needs drop. true } else { - ty.needs_drop(fcx_tcx, fcx_tcx.param_env(def_id)) + ty.needs_drop(fcx_tcx, fcx_tcx.param_env(item.def_id)) } } }; @@ -541,7 +540,7 @@ fn check_type_defn<'tcx, F>( } } - check_where_clauses(tcx, fcx, item.span, def_id.to_def_id(), None); + check_where_clauses(tcx, fcx, item.span, item.def_id.to_def_id(), None); // No implied bounds in a struct definition. vec![] @@ -549,15 +548,13 @@ fn check_type_defn<'tcx, F>( } fn check_trait(tcx: TyCtxt<'_>, item: &hir::Item<'_>) { - debug!("check_trait: {:?}", item.hir_id); + debug!("check_trait: {:?}", item.def_id); - let trait_def_id = tcx.hir().local_def_id(item.hir_id); - - let trait_def = tcx.trait_def(trait_def_id); + let trait_def = tcx.trait_def(item.def_id); if trait_def.is_marker || matches!(trait_def.specialization_kind, TraitSpecializationKind::Marker) { - for associated_def_id in &*tcx.associated_item_def_ids(trait_def_id) { + for associated_def_id in &*tcx.associated_item_def_ids(item.def_id) { struct_span_err!( tcx.sess, tcx.def_span(*associated_def_id), @@ -569,7 +566,7 @@ fn check_trait(tcx: TyCtxt<'_>, item: &hir::Item<'_>) { } for_item(tcx, item).with_fcx(|fcx, _| { - check_where_clauses(tcx, fcx, item.span, trait_def_id.to_def_id(), None); + check_where_clauses(tcx, fcx, item.span, item.def_id.to_def_id(), None); vec![] }); @@ -665,14 +662,12 @@ fn check_impl<'tcx>( debug!("check_impl: {:?}", item); for_item(tcx, item).with_fcx(|fcx, tcx| { - let item_def_id = fcx.tcx.hir().local_def_id(item.hir_id); - match *ast_trait_ref { Some(ref ast_trait_ref) => { // `#[rustc_reservation_impl]` impls are not real impls and // therefore don't need to be WF (the trait's `Self: Trait` predicate // won't hold). - let trait_ref = fcx.tcx.impl_trait_ref(item_def_id).unwrap(); + let trait_ref = fcx.tcx.impl_trait_ref(item.def_id).unwrap(); let trait_ref = fcx.normalize_associated_types_in(ast_trait_ref.path.span, trait_ref); let obligations = traits::wf::trait_obligations( @@ -688,7 +683,7 @@ fn check_impl<'tcx>( } } None => { - let self_ty = fcx.tcx.type_of(item_def_id); + let self_ty = fcx.tcx.type_of(item.def_id); let self_ty = fcx.normalize_associated_types_in(item.span, self_ty); fcx.register_wf_obligation( self_ty.into(), @@ -698,9 +693,9 @@ fn check_impl<'tcx>( } } - check_where_clauses(tcx, fcx, item.span, item_def_id.to_def_id(), None); + check_where_clauses(tcx, fcx, item.span, item.def_id.to_def_id(), None); - fcx.impl_implied_bounds(item_def_id.to_def_id(), item.span) + fcx.impl_implied_bounds(item.def_id.to_def_id(), item.span) }); } @@ -1238,15 +1233,14 @@ fn check_variances_for_type_defn<'tcx>( item: &hir::Item<'tcx>, hir_generics: &hir::Generics<'_>, ) { - let item_def_id = tcx.hir().local_def_id(item.hir_id); - let ty = tcx.type_of(item_def_id); + let ty = tcx.type_of(item.def_id); if tcx.has_error_field(ty) { return; } - let ty_predicates = tcx.predicates_of(item_def_id); + let ty_predicates = tcx.predicates_of(item.def_id); assert_eq!(ty_predicates.parent, None); - let variances = tcx.variances_of(item_def_id); + let variances = tcx.variances_of(item.def_id); let mut constrained_parameters: FxHashSet<_> = variances .iter() @@ -1354,22 +1348,19 @@ impl Visitor<'tcx> for CheckTypeWellFormedVisitor<'tcx> { fn visit_item(&mut self, i: &'tcx hir::Item<'tcx>) { debug!("visit_item: {:?}", i); - let def_id = self.tcx.hir().local_def_id(i.hir_id); - self.tcx.ensure().check_item_well_formed(def_id); + self.tcx.ensure().check_item_well_formed(i.def_id); hir_visit::walk_item(self, i); } fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { debug!("visit_trait_item: {:?}", trait_item); - let def_id = self.tcx.hir().local_def_id(trait_item.hir_id); - self.tcx.ensure().check_trait_item_well_formed(def_id); + self.tcx.ensure().check_trait_item_well_formed(trait_item.def_id); hir_visit::walk_trait_item(self, trait_item); } fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { debug!("visit_impl_item: {:?}", impl_item); - let def_id = self.tcx.hir().local_def_id(impl_item.hir_id); - self.tcx.ensure().check_impl_item_well_formed(def_id); + self.tcx.ensure().check_impl_item_well_formed(impl_item.def_id); hir_visit::walk_impl_item(self, impl_item); } diff --git a/compiler/rustc_typeck/src/check_unused.rs b/compiler/rustc_typeck/src/check_unused.rs index 31121ece898..e1743a5dfc1 100644 --- a/compiler/rustc_typeck/src/check_unused.rs +++ b/compiler/rustc_typeck/src/check_unused.rs @@ -28,7 +28,7 @@ impl ItemLikeVisitor<'v> for CheckVisitor<'tcx> { return; } if let hir::ItemKind::Use(ref path, _) = item.kind { - self.check_import(item.hir_id, path.span); + self.check_import(item.item_id(), path.span); } } @@ -45,24 +45,28 @@ struct CheckVisitor<'tcx> { } impl CheckVisitor<'tcx> { - fn check_import(&self, id: hir::HirId, span: Span) { - let def_id = self.tcx.hir().local_def_id(id); - if !self.tcx.maybe_unused_trait_import(def_id) { + fn check_import(&self, item_id: hir::ItemId, span: Span) { + if !self.tcx.maybe_unused_trait_import(item_id.def_id) { return; } - if self.used_trait_imports.contains(&def_id) { + if self.used_trait_imports.contains(&item_id.def_id) { return; } - self.tcx.struct_span_lint_hir(lint::builtin::UNUSED_IMPORTS, id, span, |lint| { - let msg = if let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span) { - format!("unused import: `{}`", snippet) - } else { - "unused import".to_owned() - }; - lint.build(&msg).emit(); - }); + self.tcx.struct_span_lint_hir( + lint::builtin::UNUSED_IMPORTS, + item_id.hir_id(), + span, + |lint| { + let msg = if let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span) { + format!("unused import: `{}`", snippet) + } else { + "unused import".to_owned() + }; + lint.build(&msg).emit(); + }, + ); } } @@ -109,7 +113,6 @@ fn unused_crates_lint(tcx: TyCtxt<'_>) { // Collect all the extern crates (in a reliable order). let mut crates_to_lint = vec![]; tcx.hir().krate().visit_all_item_likes(&mut CollectExternCrateVisitor { - tcx, crates_to_lint: &mut crates_to_lint, }); @@ -189,8 +192,7 @@ fn unused_crates_lint(tcx: TyCtxt<'_>) { } } -struct CollectExternCrateVisitor<'a, 'tcx> { - tcx: TyCtxt<'tcx>, +struct CollectExternCrateVisitor<'a> { crates_to_lint: &'a mut Vec<ExternCrateToLint>, } @@ -211,12 +213,11 @@ struct ExternCrateToLint { warn_if_unused: bool, } -impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for CollectExternCrateVisitor<'a, 'tcx> { +impl<'a, 'v> ItemLikeVisitor<'v> for CollectExternCrateVisitor<'a> { fn visit_item(&mut self, item: &hir::Item<'_>) { if let hir::ItemKind::ExternCrate(orig_name) = item.kind { - let extern_crate_def_id = self.tcx.hir().local_def_id(item.hir_id); self.crates_to_lint.push(ExternCrateToLint { - def_id: extern_crate_def_id.to_def_id(), + def_id: item.def_id.to_def_id(), span: item.span, orig_name, warn_if_unused: !item.ident.as_str().starts_with('_'), diff --git a/compiler/rustc_typeck/src/coherence/builtin.rs b/compiler/rustc_typeck/src/coherence/builtin.rs index 6726b9b4a4b..5b44cb7eae5 100644 --- a/compiler/rustc_typeck/src/coherence/builtin.rs +++ b/compiler/rustc_typeck/src/coherence/builtin.rs @@ -38,8 +38,7 @@ impl<'tcx> Checker<'tcx> { F: FnMut(TyCtxt<'tcx>, LocalDefId), { if Some(self.trait_def_id) == trait_def_id { - for &impl_id in self.tcx.hir().trait_impls(self.trait_def_id) { - let impl_def_id = self.tcx.hir().local_def_id(impl_id); + for &impl_def_id in self.tcx.hir().trait_impls(self.trait_def_id) { f(self.tcx, impl_def_id); } } diff --git a/compiler/rustc_typeck/src/coherence/inherent_impls.rs b/compiler/rustc_typeck/src/coherence/inherent_impls.rs index 8a500852a03..cc592c7a260 100644 --- a/compiler/rustc_typeck/src/coherence/inherent_impls.rs +++ b/compiler/rustc_typeck/src/coherence/inherent_impls.rs @@ -50,8 +50,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { _ => return, }; - let def_id = self.tcx.hir().local_def_id(item.hir_id); - let self_ty = self.tcx.type_of(def_id); + let self_ty = self.tcx.type_of(item.def_id); let lang_items = self.tcx.lang_items(); match *self_ty.kind() { ty::Adt(def, _) => { @@ -65,7 +64,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Bool => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.bool_impl(), None, "bool", @@ -76,7 +75,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Char => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.char_impl(), None, "char", @@ -87,7 +86,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Str => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.str_impl(), lang_items.str_alloc_impl(), "str", @@ -98,7 +97,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Slice(slice_item) if slice_item == self.tcx.types.u8 => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.slice_u8_impl(), lang_items.slice_u8_alloc_impl(), "slice_u8", @@ -109,7 +108,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Slice(_) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.slice_impl(), lang_items.slice_alloc_impl(), "slice", @@ -120,7 +119,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Array(_, _) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.array_impl(), None, "array", @@ -133,7 +132,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { if matches!(inner.kind(), ty::Slice(_)) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.const_slice_ptr_impl(), None, "const_slice_ptr", @@ -146,7 +145,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { if matches!(inner.kind(), ty::Slice(_)) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.mut_slice_ptr_impl(), None, "mut_slice_ptr", @@ -157,7 +156,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::RawPtr(ty::TypeAndMut { ty: _, mutbl: hir::Mutability::Not }) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.const_ptr_impl(), None, "const_ptr", @@ -168,7 +167,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::RawPtr(ty::TypeAndMut { ty: _, mutbl: hir::Mutability::Mut }) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.mut_ptr_impl(), None, "mut_ptr", @@ -179,7 +178,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Int(ty::IntTy::I8) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.i8_impl(), None, "i8", @@ -190,7 +189,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Int(ty::IntTy::I16) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.i16_impl(), None, "i16", @@ -201,7 +200,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Int(ty::IntTy::I32) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.i32_impl(), None, "i32", @@ -212,7 +211,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Int(ty::IntTy::I64) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.i64_impl(), None, "i64", @@ -223,7 +222,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Int(ty::IntTy::I128) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.i128_impl(), None, "i128", @@ -234,7 +233,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Int(ty::IntTy::Isize) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.isize_impl(), None, "isize", @@ -245,7 +244,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Uint(ty::UintTy::U8) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.u8_impl(), None, "u8", @@ -256,7 +255,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Uint(ty::UintTy::U16) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.u16_impl(), None, "u16", @@ -267,7 +266,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Uint(ty::UintTy::U32) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.u32_impl(), None, "u32", @@ -278,7 +277,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Uint(ty::UintTy::U64) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.u64_impl(), None, "u64", @@ -289,7 +288,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Uint(ty::UintTy::U128) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.u128_impl(), None, "u128", @@ -300,7 +299,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Uint(ty::UintTy::Usize) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.usize_impl(), None, "usize", @@ -311,7 +310,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Float(ty::FloatTy::F32) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.f32_impl(), lang_items.f32_runtime_impl(), "f32", @@ -322,7 +321,7 @@ impl ItemLikeVisitor<'v> for InherentCollect<'tcx> { } ty::Float(ty::FloatTy::F64) => { self.check_primitive_impl( - def_id, + item.def_id, lang_items.f64_impl(), lang_items.f64_runtime_impl(), "f64", @@ -369,9 +368,8 @@ impl InherentCollect<'tcx> { // Add the implementation to the mapping from implementation to base // type def ID, if there is a base type for this implementation and // the implementation does not have any associated traits. - let impl_def_id = self.tcx.hir().local_def_id(item.hir_id); let vec = self.impls_map.inherent_impls.entry(def_id).or_default(); - vec.push(impl_def_id.to_def_id()); + vec.push(item.def_id.to_def_id()); } else { struct_span_err!( self.tcx.sess, diff --git a/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs b/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs index 50d88674328..29654099992 100644 --- a/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs +++ b/compiler/rustc_typeck/src/coherence/inherent_impls_overlap.rs @@ -123,8 +123,7 @@ impl ItemLikeVisitor<'v> for InherentOverlapChecker<'tcx> { | hir::ItemKind::Struct(..) | hir::ItemKind::Trait(..) | hir::ItemKind::Union(..) => { - let ty_def_id = self.tcx.hir().local_def_id(item.hir_id); - let impls = self.tcx.inherent_impls(ty_def_id); + let impls = self.tcx.inherent_impls(item.def_id); // If there is only one inherent impl block, // there is nothing to overlap check it with diff --git a/compiler/rustc_typeck/src/coherence/mod.rs b/compiler/rustc_typeck/src/coherence/mod.rs index 4294450333c..05906817914 100644 --- a/compiler/rustc_typeck/src/coherence/mod.rs +++ b/compiler/rustc_typeck/src/coherence/mod.rs @@ -172,8 +172,7 @@ fn coherent_trait(tcx: TyCtxt<'_>, def_id: DefId) { tcx.ensure().specialization_graph_of(def_id); let impls = tcx.hir().trait_impls(def_id); - for &hir_id in impls { - let impl_def_id = tcx.hir().local_def_id(hir_id); + for &impl_def_id in impls { let trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap(); check_impl(tcx, impl_def_id, trait_ref); diff --git a/compiler/rustc_typeck/src/coherence/orphan.rs b/compiler/rustc_typeck/src/coherence/orphan.rs index 9333aac6018..05932427bcf 100644 --- a/compiler/rustc_typeck/src/coherence/orphan.rs +++ b/compiler/rustc_typeck/src/coherence/orphan.rs @@ -24,7 +24,6 @@ impl ItemLikeVisitor<'v> for OrphanChecker<'tcx> { /// to prevent inundating the user with a bunch of similar error /// reports. fn visit_item(&mut self, item: &hir::Item<'_>) { - let def_id = self.tcx.hir().local_def_id(item.hir_id); // "Trait" impl if let hir::ItemKind::Impl(hir::Impl { generics, of_trait: Some(ref tr), self_ty, .. @@ -32,13 +31,13 @@ impl ItemLikeVisitor<'v> for OrphanChecker<'tcx> { { debug!( "coherence2::orphan check: trait impl {}", - self.tcx.hir().node_to_string(item.hir_id) + self.tcx.hir().node_to_string(item.hir_id()) ); - let trait_ref = self.tcx.impl_trait_ref(def_id).unwrap(); + let trait_ref = self.tcx.impl_trait_ref(item.def_id).unwrap(); let trait_def_id = trait_ref.def_id; let sm = self.tcx.sess.source_map(); let sp = sm.guess_head_span(item.span); - match traits::orphan_check(self.tcx, def_id.to_def_id()) { + match traits::orphan_check(self.tcx, item.def_id.to_def_id()) { Ok(()) => {} Err(traits::OrphanCheckErr::NonLocalInputType(tys)) => { let mut err = struct_span_err!( diff --git a/compiler/rustc_typeck/src/coherence/unsafety.rs b/compiler/rustc_typeck/src/coherence/unsafety.rs index 3a290b7756e..6b995b97386 100644 --- a/compiler/rustc_typeck/src/coherence/unsafety.rs +++ b/compiler/rustc_typeck/src/coherence/unsafety.rs @@ -24,8 +24,7 @@ impl UnsafetyChecker<'tcx> { unsafety: hir::Unsafety, polarity: hir::ImplPolarity, ) { - let local_did = self.tcx.hir().local_def_id(item.hir_id); - if let Some(trait_ref) = self.tcx.impl_trait_ref(local_did) { + if let Some(trait_ref) = self.tcx.impl_trait_ref(item.def_id) { let trait_def = self.tcx.trait_def(trait_ref.def_id); let unsafe_attr = impl_generics.and_then(|generics| { generics.params.iter().find(|p| p.pure_wrt_drop).map(|_| "may_dangle") diff --git a/compiler/rustc_typeck/src/collect.rs b/compiler/rustc_typeck/src/collect.rs index e24aa7d76f1..fc8e50b4b65 100644 --- a/compiler/rustc_typeck/src/collect.rs +++ b/compiler/rustc_typeck/src/collect.rs @@ -229,14 +229,7 @@ fn reject_placeholder_type_signatures_in_item(tcx: TyCtxt<'tcx>, item: &'tcx hir let mut visitor = PlaceholderHirTyCollector::default(); visitor.visit_item(item); - placeholder_type_error( - tcx, - Some(generics.span), - &generics.params[..], - visitor.0, - suggest, - None, - ); + placeholder_type_error(tcx, Some(generics.span), generics.params, visitor.0, suggest, None); } impl Visitor<'tcx> for CollectItemTypesVisitor<'tcx> { @@ -247,7 +240,7 @@ impl Visitor<'tcx> for CollectItemTypesVisitor<'tcx> { } fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - convert_item(self.tcx, item.hir_id); + convert_item(self.tcx, item.item_id()); reject_placeholder_type_signatures_in_item(self.tcx, item); intravisit::walk_item(self, item); } @@ -281,12 +274,12 @@ impl Visitor<'tcx> for CollectItemTypesVisitor<'tcx> { } fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { - convert_trait_item(self.tcx, trait_item.hir_id); + convert_trait_item(self.tcx, trait_item.trait_item_id()); intravisit::walk_trait_item(self, trait_item); } fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) { - convert_impl_item(self.tcx, impl_item.hir_id); + convert_impl_item(self.tcx, impl_item.impl_item_id()); intravisit::walk_impl_item(self, impl_item); } } @@ -417,7 +410,7 @@ impl AstConv<'tcx> for ItemCtxt<'tcx> { | hir::ItemKind::Struct(_, generics) | hir::ItemKind::Union(_, generics) => { let lt_name = get_new_lifetime_name(self.tcx, poly_trait_ref, generics); - let (lt_sp, sugg) = match &generics.params[..] { + let (lt_sp, sugg) = match generics.params { [] => (generics.span, format!("<{}>", lt_name)), [bound, ..] => { (bound.span.shrink_to_lo(), format!("{}, ", lt_name)) @@ -714,10 +707,10 @@ fn is_param(tcx: TyCtxt<'_>, ast_ty: &hir::Ty<'_>, param_id: hir::HirId) -> bool } } -fn convert_item(tcx: TyCtxt<'_>, item_id: hir::HirId) { - let it = tcx.hir().expect_item(item_id); - debug!("convert: item {} with id {}", it.ident, it.hir_id); - let def_id = tcx.hir().local_def_id(item_id); +fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { + let it = tcx.hir().item(item_id); + debug!("convert: item {} with id {}", it.ident, it.hir_id()); + let def_id = item_id.def_id; match it.kind { // These don't define types. @@ -728,12 +721,11 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::HirId) { hir::ItemKind::ForeignMod { items, .. } => { for item in items { let item = tcx.hir().foreign_item(item.id); - let def_id = tcx.hir().local_def_id(item.hir_id); - tcx.ensure().generics_of(def_id); - tcx.ensure().type_of(def_id); - tcx.ensure().predicates_of(def_id); + tcx.ensure().generics_of(item.def_id); + tcx.ensure().type_of(item.def_id); + tcx.ensure().predicates_of(item.def_id); if let hir::ForeignItemKind::Fn(..) = item.kind { - tcx.ensure().fn_sig(def_id); + tcx.ensure().fn_sig(item.def_id); } } } @@ -804,23 +796,22 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::HirId) { } } -fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::HirId) { - let trait_item = tcx.hir().expect_trait_item(trait_item_id); - let def_id = tcx.hir().local_def_id(trait_item.hir_id); - tcx.ensure().generics_of(def_id); +fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::TraitItemId) { + let trait_item = tcx.hir().trait_item(trait_item_id); + tcx.ensure().generics_of(trait_item_id.def_id); match trait_item.kind { hir::TraitItemKind::Fn(..) => { - tcx.ensure().type_of(def_id); - tcx.ensure().fn_sig(def_id); + tcx.ensure().type_of(trait_item_id.def_id); + tcx.ensure().fn_sig(trait_item_id.def_id); } hir::TraitItemKind::Const(.., Some(_)) => { - tcx.ensure().type_of(def_id); + tcx.ensure().type_of(trait_item_id.def_id); } hir::TraitItemKind::Const(..) => { - tcx.ensure().type_of(def_id); + tcx.ensure().type_of(trait_item_id.def_id); // Account for `const C: _;`. let mut visitor = PlaceholderHirTyCollector::default(); visitor.visit_trait_item(trait_item); @@ -828,8 +819,8 @@ fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::HirId) { } hir::TraitItemKind::Type(_, Some(_)) => { - tcx.ensure().item_bounds(def_id); - tcx.ensure().type_of(def_id); + tcx.ensure().item_bounds(trait_item_id.def_id); + tcx.ensure().type_of(trait_item_id.def_id); // Account for `type T = _;`. let mut visitor = PlaceholderHirTyCollector::default(); visitor.visit_trait_item(trait_item); @@ -837,7 +828,7 @@ fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::HirId) { } hir::TraitItemKind::Type(_, None) => { - tcx.ensure().item_bounds(def_id); + tcx.ensure().item_bounds(trait_item_id.def_id); // #74612: Visit and try to find bad placeholders // even if there is no concrete type. let mut visitor = PlaceholderHirTyCollector::default(); @@ -847,15 +838,15 @@ fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::HirId) { } }; - tcx.ensure().predicates_of(def_id); + tcx.ensure().predicates_of(trait_item_id.def_id); } -fn convert_impl_item(tcx: TyCtxt<'_>, impl_item_id: hir::HirId) { - let def_id = tcx.hir().local_def_id(impl_item_id); +fn convert_impl_item(tcx: TyCtxt<'_>, impl_item_id: hir::ImplItemId) { + let def_id = impl_item_id.def_id; tcx.ensure().generics_of(def_id); tcx.ensure().type_of(def_id); tcx.ensure().predicates_of(def_id); - let impl_item = tcx.hir().expect_impl_item(impl_item_id); + let impl_item = tcx.hir().impl_item(impl_item_id); match impl_item.kind { hir::ImplItemKind::Fn(..) => { tcx.ensure().fn_sig(def_id); @@ -1122,7 +1113,7 @@ fn super_predicates_that_define_assoc_type( let is_trait_alias = tcx.is_trait_alias(trait_def_id); let superbounds2 = icx.type_parameter_bounds_in_generics( generics, - item.hir_id, + item.hir_id(), self_param_ty, OnlySelfBounds(!is_trait_alias), assoc_name, @@ -1446,12 +1437,12 @@ fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { // // Something of a hack: use the node id for the trait, also as // the node id for the Self type parameter. - let param_id = item.hir_id; + let param_id = item.def_id; opt_self = Some(ty::GenericParamDef { index: 0, name: kw::SelfUpper, - def_id: tcx.hir().local_def_id(param_id).to_def_id(), + def_id: param_id.to_def_id(), pure_wrt_drop: false, kind: ty::GenericParamDefKind::Type { has_default: false, diff --git a/compiler/rustc_typeck/src/collect/type_of.rs b/compiler/rustc_typeck/src/collect/type_of.rs index 7fa58dcd5f4..a2aa3b308ec 100644 --- a/compiler/rustc_typeck/src/collect/type_of.rs +++ b/compiler/rustc_typeck/src/collect/type_of.rs @@ -582,26 +582,23 @@ fn find_opaque_ty_constraints(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Ty<'_> { } fn visit_item(&mut self, it: &'tcx Item<'tcx>) { debug!("find_existential_constraints: visiting {:?}", it); - let def_id = self.tcx.hir().local_def_id(it.hir_id); // The opaque type itself or its children are not within its reveal scope. - if def_id.to_def_id() != self.def_id { - self.check(def_id); + if it.def_id.to_def_id() != self.def_id { + self.check(it.def_id); intravisit::walk_item(self, it); } } fn visit_impl_item(&mut self, it: &'tcx ImplItem<'tcx>) { debug!("find_existential_constraints: visiting {:?}", it); - let def_id = self.tcx.hir().local_def_id(it.hir_id); // The opaque type itself or its children are not within its reveal scope. - if def_id.to_def_id() != self.def_id { - self.check(def_id); + if it.def_id.to_def_id() != self.def_id { + self.check(it.def_id); intravisit::walk_impl_item(self, it); } } fn visit_trait_item(&mut self, it: &'tcx TraitItem<'tcx>) { debug!("find_existential_constraints: visiting {:?}", it); - let def_id = self.tcx.hir().local_def_id(it.hir_id); - self.check(def_id); + self.check(it.def_id); intravisit::walk_trait_item(self, it); } } diff --git a/compiler/rustc_typeck/src/impl_wf_check.rs b/compiler/rustc_typeck/src/impl_wf_check.rs index 0bdcbaac0e9..7713381e62e 100644 --- a/compiler/rustc_typeck/src/impl_wf_check.rs +++ b/compiler/rustc_typeck/src/impl_wf_check.rs @@ -59,7 +59,7 @@ pub fn impl_wf_check(tcx: TyCtxt<'_>) { // but it's one that we must perform earlier than the rest of // WfCheck. for &module in tcx.hir().krate().modules.keys() { - tcx.ensure().check_mod_impl_wf(tcx.hir().local_def_id(module)); + tcx.ensure().check_mod_impl_wf(module); } } @@ -81,11 +81,10 @@ struct ImplWfCheck<'tcx> { impl ItemLikeVisitor<'tcx> for ImplWfCheck<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { if let hir::ItemKind::Impl(ref impl_) = item.kind { - let impl_def_id = self.tcx.hir().local_def_id(item.hir_id); - enforce_impl_params_are_constrained(self.tcx, impl_def_id, impl_.items); + enforce_impl_params_are_constrained(self.tcx, item.def_id, impl_.items); enforce_impl_items_are_distinct(self.tcx, impl_.items); if self.min_specialization { - check_min_specialization(self.tcx, impl_def_id.to_def_id(), item.span); + check_min_specialization(self.tcx, item.def_id.to_def_id(), item.span); } } } @@ -131,7 +130,7 @@ fn enforce_impl_params_are_constrained( // Disallow unconstrained lifetimes, but only if they appear in assoc types. let lifetimes_in_associated_types: FxHashSet<_> = impl_item_refs .iter() - .map(|item_ref| tcx.hir().local_def_id(item_ref.id.hir_id)) + .map(|item_ref| item_ref.id.def_id) .flat_map(|def_id| { let item = tcx.associated_item(def_id); match item.kind { diff --git a/compiler/rustc_typeck/src/lib.rs b/compiler/rustc_typeck/src/lib.rs index 22d95b8bcc0..6ddc26efeae 100644 --- a/compiler/rustc_typeck/src/lib.rs +++ b/compiler/rustc_typeck/src/lib.rs @@ -369,7 +369,7 @@ pub fn check_crate(tcx: TyCtxt<'_>) -> Result<(), ErrorReported> { tcx.sess.track_errors(|| { tcx.sess.time("type_collecting", || { for &module in tcx.hir().krate().modules.keys() { - tcx.ensure().collect_mod_item_types(tcx.hir().local_def_id(module)); + tcx.ensure().collect_mod_item_types(module); } }); })?; @@ -401,7 +401,7 @@ pub fn check_crate(tcx: TyCtxt<'_>) -> Result<(), ErrorReported> { // NOTE: This is copy/pasted in librustdoc/core.rs and should be kept in sync. tcx.sess.time("item_types_checking", || { for &module in tcx.hir().krate().modules.keys() { - tcx.ensure().check_mod_item_types(tcx.hir().local_def_id(module)); + tcx.ensure().check_mod_item_types(module); } }); diff --git a/compiler/rustc_typeck/src/outlives/implicit_infer.rs b/compiler/rustc_typeck/src/outlives/implicit_infer.rs index 02008e180b3..6e6ecf6a22b 100644 --- a/compiler/rustc_typeck/src/outlives/implicit_infer.rs +++ b/compiler/rustc_typeck/src/outlives/implicit_infer.rs @@ -2,7 +2,6 @@ use rustc_data_structures::fx::FxHashMap; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::itemlikevisit::ItemLikeVisitor; -use rustc_hir::Node; use rustc_middle::ty::subst::{GenericArg, GenericArgKind, Subst}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::Span; @@ -53,16 +52,10 @@ pub struct InferVisitor<'cx, 'tcx> { impl<'cx, 'tcx> ItemLikeVisitor<'tcx> for InferVisitor<'cx, 'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { - let item_did = self.tcx.hir().local_def_id(item.hir_id); + let item_did = item.def_id; debug!("InferVisitor::visit_item(item={:?})", item_did); - let hir_id = self.tcx.hir().local_def_id_to_hir_id(item_did); - let item = match self.tcx.hir().get(hir_id) { - Node::Item(item) => item, - _ => bug!(), - }; - let mut item_required_predicates = RequiredPredicates::default(); match item.kind { hir::ItemKind::Union(..) | hir::ItemKind::Enum(..) | hir::ItemKind::Struct(..) => { diff --git a/compiler/rustc_typeck/src/outlives/test.rs b/compiler/rustc_typeck/src/outlives/test.rs index 56d42f756c4..d4bef0c409a 100644 --- a/compiler/rustc_typeck/src/outlives/test.rs +++ b/compiler/rustc_typeck/src/outlives/test.rs @@ -14,12 +14,10 @@ struct OutlivesTest<'tcx> { impl ItemLikeVisitor<'tcx> for OutlivesTest<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - let item_def_id = self.tcx.hir().local_def_id(item.hir_id); - // For unit testing: check for a special "rustc_outlives" // attribute and report an error with various results if found. - if self.tcx.has_attr(item_def_id.to_def_id(), sym::rustc_outlives) { - let inferred_outlives_of = self.tcx.inferred_outlives_of(item_def_id); + if self.tcx.has_attr(item.def_id.to_def_id(), sym::rustc_outlives) { + let inferred_outlives_of = self.tcx.inferred_outlives_of(item.def_id); struct_span_err!(self.tcx.sess, item.span, E0640, "{:?}", inferred_outlives_of).emit(); } } diff --git a/compiler/rustc_typeck/src/variance/constraints.rs b/compiler/rustc_typeck/src/variance/constraints.rs index 4e53b8c3615..f5355ea042b 100644 --- a/compiler/rustc_typeck/src/variance/constraints.rs +++ b/compiler/rustc_typeck/src/variance/constraints.rs @@ -71,7 +71,7 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for ConstraintContext<'a, 'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { match item.kind { hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => { - self.visit_node_helper(item.hir_id); + self.visit_node_helper(item.hir_id()); if let hir::VariantData::Tuple(..) = *struct_def { self.visit_node_helper(struct_def.ctor_hir_id().unwrap()); @@ -79,7 +79,7 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for ConstraintContext<'a, 'tcx> { } hir::ItemKind::Enum(ref enum_def, _) => { - self.visit_node_helper(item.hir_id); + self.visit_node_helper(item.hir_id()); for variant in enum_def.variants { if let hir::VariantData::Tuple(..) = variant.data { @@ -89,7 +89,7 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for ConstraintContext<'a, 'tcx> { } hir::ItemKind::Fn(..) => { - self.visit_node_helper(item.hir_id); + self.visit_node_helper(item.hir_id()); } _ => {} @@ -98,19 +98,19 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for ConstraintContext<'a, 'tcx> { fn visit_trait_item(&mut self, trait_item: &hir::TraitItem<'_>) { if let hir::TraitItemKind::Fn(..) = trait_item.kind { - self.visit_node_helper(trait_item.hir_id); + self.visit_node_helper(trait_item.hir_id()); } } fn visit_impl_item(&mut self, impl_item: &hir::ImplItem<'_>) { if let hir::ImplItemKind::Fn(..) = impl_item.kind { - self.visit_node_helper(impl_item.hir_id); + self.visit_node_helper(impl_item.hir_id()); } } fn visit_foreign_item(&mut self, foreign_item: &hir::ForeignItem<'_>) { if let hir::ForeignItemKind::Fn(..) = foreign_item.kind { - self.visit_node_helper(foreign_item.hir_id); + self.visit_node_helper(foreign_item.hir_id()); } } } diff --git a/compiler/rustc_typeck/src/variance/terms.rs b/compiler/rustc_typeck/src/variance/terms.rs index 3b2a1c24ddd..5d5baf78d33 100644 --- a/compiler/rustc_typeck/src/variance/terms.rs +++ b/compiler/rustc_typeck/src/variance/terms.rs @@ -128,11 +128,11 @@ impl<'a, 'tcx> TermsContext<'a, 'tcx> { impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for TermsContext<'a, 'tcx> { fn visit_item(&mut self, item: &hir::Item<'_>) { - debug!("add_inferreds for item {}", self.tcx.hir().node_to_string(item.hir_id)); + debug!("add_inferreds for item {}", self.tcx.hir().node_to_string(item.hir_id())); match item.kind { hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => { - self.add_inferreds_for_item(item.hir_id); + self.add_inferreds_for_item(item.hir_id()); if let hir::VariantData::Tuple(..) = *struct_def { self.add_inferreds_for_item(struct_def.ctor_hir_id().unwrap()); @@ -140,7 +140,7 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for TermsContext<'a, 'tcx> { } hir::ItemKind::Enum(ref enum_def, _) => { - self.add_inferreds_for_item(item.hir_id); + self.add_inferreds_for_item(item.hir_id()); for variant in enum_def.variants { if let hir::VariantData::Tuple(..) = variant.data { @@ -150,7 +150,7 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for TermsContext<'a, 'tcx> { } hir::ItemKind::Fn(..) => { - self.add_inferreds_for_item(item.hir_id); + self.add_inferreds_for_item(item.hir_id()); } _ => {} @@ -159,19 +159,19 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for TermsContext<'a, 'tcx> { fn visit_trait_item(&mut self, trait_item: &hir::TraitItem<'_>) { if let hir::TraitItemKind::Fn(..) = trait_item.kind { - self.add_inferreds_for_item(trait_item.hir_id); + self.add_inferreds_for_item(trait_item.hir_id()); } } fn visit_impl_item(&mut self, impl_item: &hir::ImplItem<'_>) { if let hir::ImplItemKind::Fn(..) = impl_item.kind { - self.add_inferreds_for_item(impl_item.hir_id); + self.add_inferreds_for_item(impl_item.hir_id()); } } fn visit_foreign_item(&mut self, foreign_item: &hir::ForeignItem<'_>) { if let hir::ForeignItemKind::Fn(..) = foreign_item.kind { - self.add_inferreds_for_item(foreign_item.hir_id); + self.add_inferreds_for_item(foreign_item.hir_id()); } } } diff --git a/compiler/rustc_typeck/src/variance/test.rs b/compiler/rustc_typeck/src/variance/test.rs index d6e43b6d669..2a0d950c87d 100644 --- a/compiler/rustc_typeck/src/variance/test.rs +++ b/compiler/rustc_typeck/src/variance/test.rs @@ -14,12 +14,10 @@ struct VarianceTest<'tcx> { impl ItemLikeVisitor<'tcx> for VarianceTest<'tcx> { fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - let item_def_id = self.tcx.hir().local_def_id(item.hir_id); - // For unit testing: check for a special "rustc_variance" // attribute and report an error with various results if found. - if self.tcx.has_attr(item_def_id.to_def_id(), sym::rustc_variance) { - let variances_of = self.tcx.variances_of(item_def_id); + if self.tcx.has_attr(item.def_id.to_def_id(), sym::rustc_variance) { + let variances_of = self.tcx.variances_of(item.def_id); struct_span_err!(self.tcx.sess, item.span, E0208, "{:?}", variances_of).emit(); } } |