summaryrefslogtreecommitdiffstats
path: root/compiler/rustc_hir
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/rustc_hir')
-rw-r--r--compiler/rustc_hir/src/arena.rs45
-rw-r--r--compiler/rustc_hir/src/def.rs5
-rw-r--r--compiler/rustc_hir/src/definitions.rs8
-rw-r--r--compiler/rustc_hir/src/errors.rs10
-rw-r--r--compiler/rustc_hir/src/hir.rs264
-rw-r--r--compiler/rustc_hir/src/hir_id.rs7
-rw-r--r--compiler/rustc_hir/src/intravisit.rs4
-rw-r--r--compiler/rustc_hir/src/lang_items.rs12
-rw-r--r--compiler/rustc_hir/src/lib.rs1
-rw-r--r--compiler/rustc_hir/src/tests.rs9
10 files changed, 168 insertions, 197 deletions
diff --git a/compiler/rustc_hir/src/arena.rs b/compiler/rustc_hir/src/arena.rs
index c89e7eb75..e213623e0 100644
--- a/compiler/rustc_hir/src/arena.rs
+++ b/compiler/rustc_hir/src/arena.rs
@@ -1,56 +1,17 @@
/// This higher-order macro declares a list of types which can be allocated by `Arena`.
-///
-/// Specifying the `decode` modifier will add decode impls for `&T` and `&[T]`,
-/// where `T` is the type listed. These impls will appear in the implement_ty_decoder! macro.
+/// Note that all `Copy` types can be allocated by default and need not be specified here.
#[macro_export]
macro_rules! arena_types {
($macro:path) => (
$macro!([
// HIR types
[] hir_krate: rustc_hir::Crate<'tcx>,
- [] arm: rustc_hir::Arm<'tcx>,
- [] asm_operand: (rustc_hir::InlineAsmOperand<'tcx>, rustc_span::Span),
[] asm_template: rustc_ast::InlineAsmTemplatePiece,
[] attribute: rustc_ast::Attribute,
- [] closure: rustc_hir::Closure<'tcx>,
- [] block: rustc_hir::Block<'tcx>,
- [] bare_fn_ty: rustc_hir::BareFnTy<'tcx>,
- [] body: rustc_hir::Body<'tcx>,
- [] generics: rustc_hir::Generics<'tcx>,
- [] generic_arg: rustc_hir::GenericArg<'tcx>,
- [] generic_args: rustc_hir::GenericArgs<'tcx>,
- [] generic_bound: rustc_hir::GenericBound<'tcx>,
- [] generic_param: rustc_hir::GenericParam<'tcx>,
- [] expr: rustc_hir::Expr<'tcx>,
- [] impl_: rustc_hir::Impl<'tcx>,
- [] let_expr: rustc_hir::Let<'tcx>,
- [] expr_field: rustc_hir::ExprField<'tcx>,
- [] pat_field: rustc_hir::PatField<'tcx>,
- [] fn_decl: rustc_hir::FnDecl<'tcx>,
- [] foreign_item: rustc_hir::ForeignItem<'tcx>,
- [] foreign_item_ref: rustc_hir::ForeignItemRef,
- [] impl_item: rustc_hir::ImplItem<'tcx>,
- [] impl_item_ref: rustc_hir::ImplItemRef,
- [] item: rustc_hir::Item<'tcx>,
- [] inline_asm: rustc_hir::InlineAsm<'tcx>,
- [] local: rustc_hir::Local<'tcx>,
- [] mod_: rustc_hir::Mod<'tcx>,
[] owner_info: rustc_hir::OwnerInfo<'tcx>,
- [] param: rustc_hir::Param<'tcx>,
- [] pat: rustc_hir::Pat<'tcx>,
- [] path: rustc_hir::Path<'tcx>,
[] use_path: rustc_hir::UsePath<'tcx>,
- [] path_segment: rustc_hir::PathSegment<'tcx>,
- [] poly_trait_ref: rustc_hir::PolyTraitRef<'tcx>,
- [] qpath: rustc_hir::QPath<'tcx>,
- [] stmt: rustc_hir::Stmt<'tcx>,
- [] field_def: rustc_hir::FieldDef<'tcx>,
- [] trait_item: rustc_hir::TraitItem<'tcx>,
- [] trait_item_ref: rustc_hir::TraitItemRef,
- [] ty: rustc_hir::Ty<'tcx>,
- [] type_binding: rustc_hir::TypeBinding<'tcx>,
- [] variant: rustc_hir::Variant<'tcx>,
- [] where_predicate: rustc_hir::WherePredicate<'tcx>,
+ [] lit: rustc_hir::Lit,
+ [] macro_def: rustc_ast::MacroDef,
]);
)
}
diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs
index 8c58129c8..30bf8c2ad 100644
--- a/compiler/rustc_hir/src/def.rs
+++ b/compiler/rustc_hir/src/def.rs
@@ -234,10 +234,7 @@ impl DefKind {
#[inline]
pub fn is_fn_like(self) -> bool {
- match self {
- DefKind::Fn | DefKind::AssocFn | DefKind::Closure | DefKind::Generator => true,
- _ => false,
- }
+ matches!(self, DefKind::Fn | DefKind::AssocFn | DefKind::Closure | DefKind::Generator)
}
/// Whether `query get_codegen_attrs` should be used with this definition.
diff --git a/compiler/rustc_hir/src/definitions.rs b/compiler/rustc_hir/src/definitions.rs
index 8ceb17649..66b153d89 100644
--- a/compiler/rustc_hir/src/definitions.rs
+++ b/compiler/rustc_hir/src/definitions.rs
@@ -9,8 +9,8 @@ use crate::def_id::{CrateNum, DefIndex, LocalDefId, StableCrateId, CRATE_DEF_IND
use crate::def_path_hash_map::DefPathHashMap;
use rustc_data_structures::fx::FxHashMap;
-use rustc_data_structures::stable_hasher::StableHasher;
-use rustc_index::vec::IndexVec;
+use rustc_data_structures::stable_hasher::{Hash64, StableHasher};
+use rustc_index::IndexVec;
use rustc_span::symbol::{kw, sym, Symbol};
use std::fmt::{self, Write};
@@ -130,7 +130,7 @@ impl DefKey {
disambiguator.hash(&mut hasher);
- let local_hash: u64 = hasher.finish();
+ let local_hash = hasher.finish();
// Construct the new DefPathHash, making sure that the `crate_id`
// portion of the hash is properly copied from the parent. This way the
@@ -325,7 +325,7 @@ impl Definitions {
},
};
- let parent_hash = DefPathHash::new(stable_crate_id, 0);
+ let parent_hash = DefPathHash::new(stable_crate_id, Hash64::ZERO);
let def_path_hash = key.compute_stable_hash(parent_hash);
// Create the root definition.
diff --git a/compiler/rustc_hir/src/errors.rs b/compiler/rustc_hir/src/errors.rs
deleted file mode 100644
index e593ed104..000000000
--- a/compiler/rustc_hir/src/errors.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use crate::LangItem;
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Encodable, Decodable)]
-pub struct LangItemError(pub LangItem);
-
-impl ToString for LangItemError {
- fn to_string(&self) -> String {
- format!("requires `{}` lang_item", self.0.name())
- }
-}
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index 35a72f868..e84473109 100644
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -14,7 +14,7 @@ use rustc_data_structures::fingerprint::Fingerprint;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::sorted_map::SortedMap;
use rustc_error_messages::MultiSpan;
-use rustc_index::vec::IndexVec;
+use rustc_index::IndexVec;
use rustc_macros::HashStable_Generic;
use rustc_span::hygiene::MacroKind;
use rustc_span::source_map::Spanned;
@@ -26,7 +26,7 @@ use rustc_target::spec::abi::Abi;
use smallvec::SmallVec;
use std::fmt;
-#[derive(Debug, Copy, Clone, Encodable, HashStable_Generic)]
+#[derive(Debug, Copy, Clone, HashStable_Generic)]
pub struct Lifetime {
pub hir_id: HirId,
@@ -41,8 +41,7 @@ pub struct Lifetime {
pub res: LifetimeName,
}
-#[derive(Debug, Clone, PartialEq, Eq, Encodable, Hash, Copy)]
-#[derive(HashStable_Generic)]
+#[derive(Debug, Copy, Clone, HashStable_Generic)]
pub enum ParamName {
/// Some user-given name like `T` or `'x`.
Plain(Ident),
@@ -85,8 +84,7 @@ impl ParamName {
}
}
-#[derive(Debug, Clone, PartialEq, Eq, Encodable, Hash, Copy)]
-#[derive(HashStable_Generic)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, HashStable_Generic)]
pub enum LifetimeName {
/// User-given names or fresh (synthetic) names.
Param(LocalDefId),
@@ -182,7 +180,7 @@ impl Lifetime {
/// A `Path` is essentially Rust's notion of a name; for instance,
/// `std::cmp::PartialEq`. It's represented as a sequence of identifiers,
/// along with a bunch of supporting information.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Path<'hir, R = Res> {
pub span: Span,
/// The resolution for the path.
@@ -202,7 +200,7 @@ impl Path<'_> {
/// A segment of a path: an identifier, an optional lifetime, and a set of
/// types.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct PathSegment<'hir> {
/// The identifier portion of this path segment.
pub ident: Ident,
@@ -243,13 +241,13 @@ impl<'hir> PathSegment<'hir> {
}
}
-#[derive(Encodable, Debug, HashStable_Generic)]
+#[derive(Clone, Copy, Debug, HashStable_Generic)]
pub struct ConstArg {
pub value: AnonConst,
pub span: Span,
}
-#[derive(Encodable, Debug, HashStable_Generic)]
+#[derive(Clone, Copy, Debug, HashStable_Generic)]
pub struct InferArg {
pub hir_id: HirId,
pub span: Span,
@@ -261,7 +259,7 @@ impl InferArg {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum GenericArg<'hir> {
Lifetime(&'hir Lifetime),
Type(&'hir Ty<'hir>),
@@ -318,7 +316,7 @@ impl GenericArg<'_> {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct GenericArgs<'hir> {
/// The generic arguments for this path segment.
pub args: &'hir [GenericArg<'hir>],
@@ -422,8 +420,7 @@ impl<'hir> GenericArgs<'hir> {
}
}
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Hash, Debug)]
-#[derive(HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug, HashStable_Generic)]
pub enum GenericArgsParentheses {
No,
/// Bounds for `feature(return_type_notation)`, like `T: Trait<method(..): Send>`,
@@ -435,10 +432,10 @@ pub enum GenericArgsParentheses {
/// A modifier on a bound, currently this is only used for `?Sized`, where the
/// modifier is `Maybe`. Negative bounds should also be handled here.
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Hash, Debug)]
-#[derive(HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, HashStable_Generic)]
pub enum TraitBoundModifier {
None,
+ Negative,
Maybe,
MaybeConst,
}
@@ -447,7 +444,7 @@ pub enum TraitBoundModifier {
/// `typeck::collect::compute_bounds` matches these against
/// the "special" built-in traits (see `middle::lang_items`) and
/// detects `Copy`, `Send` and `Sync`.
-#[derive(Clone, Debug, HashStable_Generic)]
+#[derive(Clone, Copy, Debug, HashStable_Generic)]
pub enum GenericBound<'hir> {
Trait(PolyTraitRef<'hir>, TraitBoundModifier),
// FIXME(davidtwco): Introduce `PolyTraitRef::LangItem`
@@ -474,7 +471,7 @@ impl GenericBound<'_> {
pub type GenericBounds<'hir> = &'hir [GenericBound<'hir>];
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub enum LifetimeParamKind {
// Indicates that the lifetime definition was explicitly declared (e.g., in
// `fn foo<'a>(x: &'a u8) -> &'a u8 { x }`).
@@ -488,7 +485,7 @@ pub enum LifetimeParamKind {
Error,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum GenericParamKind<'hir> {
/// A lifetime definition (e.g., `'a: 'b + 'c + 'd`).
Lifetime {
@@ -505,7 +502,7 @@ pub enum GenericParamKind<'hir> {
},
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct GenericParam<'hir> {
pub hir_id: HirId,
pub def_id: LocalDefId,
@@ -539,7 +536,7 @@ impl<'hir> GenericParam<'hir> {
/// early-bound (but can be a late-bound lifetime in functions, for example),
/// or from a `for<...>` binder, in which case it's late-bound (and notably,
/// does not show up in the parent item's generics).
-#[derive(Debug, HashStable_Generic, PartialEq, Eq, Copy, Clone)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum GenericParamSource {
// Early or late-bound parameters defined on an item
Generics,
@@ -557,7 +554,7 @@ pub struct GenericParamCount {
/// Represents lifetimes and type parameters attached to a declaration
/// of a function, enum, trait, etc.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Generics<'hir> {
pub params: &'hir [GenericParam<'hir>],
pub predicates: &'hir [WherePredicate<'hir>],
@@ -729,7 +726,7 @@ impl<'hir> Generics<'hir> {
}
/// A single predicate in a where-clause.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum WherePredicate<'hir> {
/// A type binding (e.g., `for<'c> Foo: Send + Clone + 'c`).
BoundPredicate(WhereBoundPredicate<'hir>),
@@ -773,7 +770,7 @@ pub enum PredicateOrigin {
}
/// A type bound (e.g., `for<'c> Foo: Send + Clone + 'c`).
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct WhereBoundPredicate<'hir> {
pub hir_id: HirId,
pub span: Span,
@@ -790,12 +787,12 @@ pub struct WhereBoundPredicate<'hir> {
impl<'hir> WhereBoundPredicate<'hir> {
/// Returns `true` if `param_def_id` matches the `bounded_ty` of this predicate.
pub fn is_param_bound(&self, param_def_id: DefId) -> bool {
- self.bounded_ty.as_generic_param().map_or(false, |(def_id, _)| def_id == param_def_id)
+ self.bounded_ty.as_generic_param().is_some_and(|(def_id, _)| def_id == param_def_id)
}
}
/// A lifetime predicate (e.g., `'a: 'b + 'c`).
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct WhereRegionPredicate<'hir> {
pub span: Span,
pub in_where_clause: bool,
@@ -811,7 +808,7 @@ impl<'hir> WhereRegionPredicate<'hir> {
}
/// An equality predicate (e.g., `T = int`); currently unsupported.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct WhereEqPredicate<'hir> {
pub span: Span,
pub lhs_ty: &'hir Ty<'hir>,
@@ -821,7 +818,7 @@ pub struct WhereEqPredicate<'hir> {
/// HIR node coupled with its parent's id in the same HIR owner.
///
/// The parent is trash when the node is a HIR owner.
-#[derive(Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
pub struct ParentedNode<'tcx> {
pub parent: ItemLocalId,
pub node: Node<'tcx>,
@@ -863,7 +860,7 @@ pub struct OwnerNodes<'tcx> {
impl<'tcx> OwnerNodes<'tcx> {
pub fn node(&self) -> OwnerNode<'tcx> {
- use rustc_index::vec::Idx;
+ use rustc_index::Idx;
let node = self.nodes[ItemLocalId::new(0)].as_ref().unwrap().node;
let node = node.as_owner().unwrap(); // Indexing must ensure it is an OwnerNode.
node
@@ -959,7 +956,7 @@ pub struct Crate<'hir> {
pub opt_hir_hash: Option<Fingerprint>,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Closure<'hir> {
pub def_id: LocalDefId,
pub binder: ClosureBinder,
@@ -978,7 +975,7 @@ pub struct Closure<'hir> {
/// 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`.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Block<'hir> {
/// Statements in a block.
pub stmts: &'hir [Stmt<'hir>],
@@ -1006,7 +1003,7 @@ impl<'hir> Block<'hir> {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Pat<'hir> {
#[stable_hasher(ignore)]
pub hir_id: HirId,
@@ -1085,7 +1082,7 @@ impl<'hir> Pat<'hir> {
/// Patterns like the fields of Foo `{ x, ref y, ref mut z }`
/// are treated the same as` x: x, y: ref y, z: ref mut z`,
/// except `is_shorthand` is true.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct PatField<'hir> {
#[stable_hasher(ignore)]
pub hir_id: HirId,
@@ -1097,7 +1094,7 @@ pub struct PatField<'hir> {
pub span: Span,
}
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum RangeEnd {
Included,
Excluded,
@@ -1141,7 +1138,7 @@ impl fmt::Debug for DotDotPos {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum PatKind<'hir> {
/// Represents a wildcard pattern (i.e., `_`).
Wild,
@@ -1197,7 +1194,7 @@ pub enum PatKind<'hir> {
Slice(&'hir [Pat<'hir>], Option<&'hir Pat<'hir>>, &'hir [Pat<'hir>]),
}
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum BinOpKind {
/// The `+` operator (addition).
Add,
@@ -1325,7 +1322,7 @@ impl Into<ast::BinOpKind> for BinOpKind {
pub type BinOp = Spanned<BinOpKind>;
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum UnOp {
/// The `*` operator (dereferencing).
Deref,
@@ -1351,7 +1348,7 @@ impl UnOp {
}
/// A statement.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Stmt<'hir> {
pub hir_id: HirId,
pub kind: StmtKind<'hir>,
@@ -1359,7 +1356,7 @@ pub struct Stmt<'hir> {
}
/// The contents of a statement.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum StmtKind<'hir> {
/// A local (`let`) binding.
Local(&'hir Local<'hir>),
@@ -1375,7 +1372,7 @@ pub enum StmtKind<'hir> {
}
/// Represents a `let` statement (i.e., `let <pat>:<ty> = <init>;`).
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Local<'hir> {
pub pat: &'hir Pat<'hir>,
/// Type annotation, if any (otherwise the type will be inferred).
@@ -1393,7 +1390,7 @@ pub struct Local<'hir> {
/// Represents a single arm of a `match` expression, e.g.
/// `<pat> (if <guard>) => <body>`.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Arm<'hir> {
#[stable_hasher(ignore)]
pub hir_id: HirId,
@@ -1411,7 +1408,7 @@ pub struct Arm<'hir> {
///
/// In an if-let, imagine it as `if (let <pat> = <expr>) { ... }`; in a let-else, it is part of the
/// desugaring to if-let. Only let-else supports the type annotation at present.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Let<'hir> {
pub hir_id: HirId,
pub span: Span,
@@ -1420,7 +1417,7 @@ pub struct Let<'hir> {
pub init: &'hir Expr<'hir>,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum Guard<'hir> {
If(&'hir Expr<'hir>),
IfLet(&'hir Let<'hir>),
@@ -1440,7 +1437,7 @@ impl<'hir> Guard<'hir> {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct ExprField<'hir> {
#[stable_hasher(ignore)]
pub hir_id: HirId,
@@ -1450,19 +1447,19 @@ pub struct ExprField<'hir> {
pub is_shorthand: bool,
}
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum BlockCheckMode {
DefaultBlock,
UnsafeBlock(UnsafeSource),
}
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum UnsafeSource {
CompilerGenerated,
UserProvided,
}
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Hash, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
pub struct BodyId {
pub hir_id: HirId,
}
@@ -1488,7 +1485,7 @@ pub struct BodyId {
///
/// All bodies have an **owner**, which can be accessed via the HIR
/// map using `body_owner_def_id()`.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Body<'hir> {
pub params: &'hir [Param<'hir>],
pub value: &'hir Expr<'hir>,
@@ -1506,7 +1503,7 @@ impl<'hir> Body<'hir> {
}
/// The type of source expression that caused this generator to be created.
-#[derive(Clone, PartialEq, PartialOrd, Eq, Hash, Debug, Copy)]
+#[derive(Clone, PartialEq, Eq, Debug, Copy, Hash)]
#[derive(HashStable_Generic, Encodable, Decodable)]
pub enum GeneratorKind {
/// An explicit `async` block or the body of an async function.
@@ -1539,7 +1536,7 @@ impl GeneratorKind {
///
/// This helps error messages but is also used to drive coercions in
/// type-checking (see #60424).
-#[derive(Clone, PartialEq, PartialOrd, Eq, Hash, Debug, Copy)]
+#[derive(Clone, PartialEq, Eq, Hash, Debug, Copy)]
#[derive(HashStable_Generic, Encodable, Decodable)]
pub enum AsyncGeneratorKind {
/// An explicit `async` block written by the user.
@@ -1649,7 +1646,7 @@ impl fmt::Display for ConstContext {
/// A literal.
pub type Lit = Spanned<LitKind>;
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub enum ArrayLen {
Infer(HirId, Span),
Body(AnonConst),
@@ -1671,7 +1668,7 @@ impl ArrayLen {
///
/// You can check if this anon const is a default in a const param
/// `const N: usize = { ... }` with `tcx.hir().opt_const_param_default_param_def_id(..)`
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub struct AnonConst {
pub hir_id: HirId,
pub def_id: LocalDefId,
@@ -1679,7 +1676,7 @@ pub struct AnonConst {
}
/// An expression.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Expr<'hir> {
pub hir_id: HirId,
pub kind: ExprKind<'hir>,
@@ -1715,6 +1712,7 @@ impl Expr<'_> {
ExprKind::Continue(..) => ExprPrecedence::Continue,
ExprKind::Ret(..) => ExprPrecedence::Ret,
ExprKind::InlineAsm(..) => ExprPrecedence::InlineAsm,
+ ExprKind::OffsetOf(..) => ExprPrecedence::OffsetOf,
ExprKind::Struct(..) => ExprPrecedence::Struct,
ExprKind::Repeat(..) => ExprPrecedence::Repeat,
ExprKind::Yield(..) => ExprPrecedence::Yield,
@@ -1774,6 +1772,7 @@ impl Expr<'_> {
| ExprKind::Loop(..)
| ExprKind::Assign(..)
| ExprKind::InlineAsm(..)
+ | ExprKind::OffsetOf(..)
| ExprKind::AssignOp(..)
| ExprKind::Lit(_)
| ExprKind::ConstBlock(..)
@@ -1818,7 +1817,7 @@ impl Expr<'_> {
pub fn can_have_side_effects(&self) -> bool {
match self.peel_drop_temps().kind {
- ExprKind::Path(_) | ExprKind::Lit(_) => false,
+ ExprKind::Path(_) | ExprKind::Lit(_) | ExprKind::OffsetOf(..) => false,
ExprKind::Type(base, _)
| ExprKind::Unary(_, base)
| ExprKind::Field(base, _)
@@ -1920,7 +1919,7 @@ pub fn is_range_literal(expr: &Expr<'_>) -> bool {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum ExprKind<'hir> {
/// Allow anonymous constants from an inline `const` block
ConstBlock(AnonConst),
@@ -1957,10 +1956,10 @@ pub enum ExprKind<'hir> {
/// A unary operation (e.g., `!x`, `*x`).
Unary(UnOp, &'hir Expr<'hir>),
/// A literal (e.g., `1`, `"foo"`).
- Lit(Lit),
+ Lit(&'hir Lit),
/// A cast (e.g., `foo as f64`).
Cast(&'hir Expr<'hir>, &'hir Ty<'hir>),
- /// A type reference (e.g., `Foo`).
+ /// A type ascription (e.g., `x: Foo`). See RFC 3307.
Type(&'hir Expr<'hir>, &'hir Ty<'hir>),
/// Wraps the expression in a terminating scope.
/// This makes it semantically equivalent to `{ let _t = expr; _t }`.
@@ -2022,6 +2021,9 @@ pub enum ExprKind<'hir> {
/// Inline assembly (from `asm!`), with its outputs and inputs.
InlineAsm(&'hir InlineAsm<'hir>),
+ /// Field offset (`offset_of!`)
+ OffsetOf(&'hir Ty<'hir>, &'hir [Ident]),
+
/// A struct or struct-like variant literal expression.
///
/// E.g., `Foo {x: 1, y: 2}`, or `Foo {x: 1, .. base}`,
@@ -2046,7 +2048,7 @@ pub enum ExprKind<'hir> {
/// To resolve the path to a `DefId`, call [`qpath_res`].
///
/// [`qpath_res`]: ../../rustc_middle/ty/struct.TypeckResults.html#method.qpath_res
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum QPath<'hir> {
/// Path to a definition, optionally "fully-qualified" with a `Self`
/// type, if the path points to an associated item in a trait.
@@ -2100,7 +2102,7 @@ impl<'hir> QPath<'hir> {
}
/// Hints at the original code for a let statement.
-#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub enum LocalSource {
/// A `match _ { .. }`.
Normal,
@@ -2153,7 +2155,7 @@ impl MatchSource {
}
/// The loop type that yielded an `ExprKind::Loop`.
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum LoopSource {
/// A `loop { .. }` loop.
Loop,
@@ -2173,7 +2175,7 @@ impl LoopSource {
}
}
-#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub enum LoopIdError {
OutsideLoopScope,
UnlabeledCfInWhileCondition,
@@ -2192,7 +2194,7 @@ impl fmt::Display for LoopIdError {
}
}
-#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub struct Destination {
/// This is `Some(_)` iff there is an explicit user-specified 'label
pub label: Option<Label>,
@@ -2203,7 +2205,7 @@ pub struct Destination {
}
/// The yield kind that caused an `ExprKind::Yield`.
-#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable, Decodable, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub enum YieldSource {
/// An `<expr>.await`.
Await { expr: Option<HirId> },
@@ -2238,7 +2240,7 @@ impl From<GeneratorKind> for YieldSource {
// N.B., if you change this, you'll probably want to change the corresponding
// type structure in middle/ty.rs as well.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct MutTy<'hir> {
pub ty: &'hir Ty<'hir>,
pub mutbl: Mutability,
@@ -2246,7 +2248,7 @@ pub struct MutTy<'hir> {
/// Represents a function's signature in a trait declaration,
/// trait implementation, or a free function.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct FnSig<'hir> {
pub header: FnHeader,
pub decl: &'hir FnDecl<'hir>,
@@ -2273,7 +2275,7 @@ impl TraitItemId {
/// possibly including a default implementation. A trait item is
/// either required (meaning it doesn't have an implementation, just a
/// signature) or provided (meaning it has a default implementation).
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct TraitItem<'hir> {
pub ident: Ident,
pub owner_id: OwnerId,
@@ -2322,7 +2324,7 @@ impl<'hir> TraitItem<'hir> {
}
/// Represents a trait method's body (or just argument names).
-#[derive(Encodable, Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum TraitFn<'hir> {
/// No default body in the trait, just a signature.
Required(&'hir [Ident]),
@@ -2332,7 +2334,7 @@ pub enum TraitFn<'hir> {
}
/// Represents a trait method or associated constant or type
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum TraitItemKind<'hir> {
/// An associated constant with an optional value (otherwise `impl`s must contain a value).
Const(&'hir Ty<'hir>, Option<BodyId>),
@@ -2360,7 +2362,7 @@ impl ImplItemId {
}
/// Represents anything within an `impl` block.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct ImplItem<'hir> {
pub ident: Ident,
pub owner_id: OwnerId,
@@ -2410,7 +2412,7 @@ impl<'hir> ImplItem<'hir> {
}
/// Represents various kinds of content within an `impl`.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum ImplItemKind<'hir> {
/// An associated constant of the given type, set to the constant result
/// of the expression.
@@ -2439,7 +2441,7 @@ pub const FN_OUTPUT_NAME: Symbol = sym::Output;
/// Binding(...),
/// }
/// ```
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct TypeBinding<'hir> {
pub hir_id: HirId,
pub ident: Ident,
@@ -2448,7 +2450,7 @@ pub struct TypeBinding<'hir> {
pub span: Span,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum Term<'hir> {
Ty(&'hir Ty<'hir>),
Const(AnonConst),
@@ -2467,7 +2469,7 @@ impl<'hir> From<AnonConst> for Term<'hir> {
}
// Represents the two kinds of type bindings.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum TypeBindingKind<'hir> {
/// E.g., `Foo<Bar: Send>`.
Constraint { bounds: &'hir [GenericBound<'hir>] },
@@ -2490,7 +2492,7 @@ impl TypeBinding<'_> {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Ty<'hir> {
pub hir_id: HirId,
pub kind: TyKind<'hir>,
@@ -2635,7 +2637,7 @@ impl PrimTy {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct BareFnTy<'hir> {
pub unsafety: Unsafety,
pub abi: Abi,
@@ -2644,7 +2646,7 @@ pub struct BareFnTy<'hir> {
pub param_names: &'hir [Ident],
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct OpaqueTy<'hir> {
pub generics: &'hir Generics<'hir>,
pub bounds: GenericBounds<'hir>,
@@ -2653,18 +2655,21 @@ pub struct OpaqueTy<'hir> {
}
/// From whence the opaque type came.
-#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug, HashStable_Generic)]
pub enum OpaqueTyOrigin {
/// `-> impl Trait`
FnReturn(LocalDefId),
/// `async fn`
AsyncFn(LocalDefId),
/// type aliases: `type Foo = impl Trait;`
- TyAlias,
+ TyAlias {
+ /// associated types in impl blocks for traits.
+ in_assoc_ty: bool,
+ },
}
/// The various kinds of types recognized by the compiler.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum TyKind<'hir> {
/// A variable length slice (i.e., `[T]`).
Slice(&'hir Ty<'hir>),
@@ -2704,7 +2709,7 @@ pub enum TyKind<'hir> {
Err(rustc_span::ErrorGuaranteed),
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum InlineAsmOperand<'hir> {
In {
reg: InlineAsmRegOrRegClass,
@@ -2757,7 +2762,7 @@ impl<'hir> InlineAsmOperand<'hir> {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct InlineAsm<'hir> {
pub template: &'hir [InlineAsmTemplatePiece],
pub template_strs: &'hir [(Symbol, Option<Symbol>, Span)],
@@ -2767,7 +2772,7 @@ pub struct InlineAsm<'hir> {
}
/// Represents a parameter in a function header.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Param<'hir> {
pub hir_id: HirId,
pub pat: &'hir Pat<'hir>,
@@ -2776,7 +2781,7 @@ pub struct Param<'hir> {
}
/// Represents the header (not the body) of a function declaration.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct FnDecl<'hir> {
/// The types of the function's parameters.
///
@@ -2813,7 +2818,7 @@ impl ImplicitSelfKind {
}
}
-#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Encodable, Decodable, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug)]
#[derive(HashStable_Generic)]
pub enum IsAsync {
Async,
@@ -2826,7 +2831,7 @@ impl IsAsync {
}
}
-#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, Encodable, Decodable, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable, Decodable, HashStable_Generic)]
pub enum Defaultness {
Default { has_value: bool },
Final,
@@ -2849,7 +2854,7 @@ impl Defaultness {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum FnRetTy<'hir> {
/// Return type is not specified.
///
@@ -2882,13 +2887,13 @@ pub enum ClosureBinder {
For { span: Span },
}
-#[derive(Encodable, Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Mod<'hir> {
pub spans: ModSpans,
pub item_ids: &'hir [ItemId],
}
-#[derive(Copy, Clone, Debug, HashStable_Generic, Encodable)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub struct ModSpans {
/// A span from the first token past `{` to the last token until `}`.
/// For `mod foo;`, the inner span ranges from the first token
@@ -2897,12 +2902,12 @@ pub struct ModSpans {
pub inject_use_span: Span,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct EnumDef<'hir> {
pub variants: &'hir [Variant<'hir>],
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Variant<'hir> {
/// Name of the variant.
pub ident: Ident,
@@ -2917,7 +2922,7 @@ pub struct Variant<'hir> {
pub span: Span,
}
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum UseKind {
/// One import, e.g., `use foo::bar` or `use foo::bar as baz`.
/// Also produced for each element of a list `use`, e.g.
@@ -2939,7 +2944,7 @@ pub enum UseKind {
/// that the `ref_id` is for. Note that `ref_id`'s value is not the `HirId` of the
/// trait being referred to but just a unique `HirId` that serves as a key
/// within the resolution map.
-#[derive(Clone, Debug, HashStable_Generic)]
+#[derive(Clone, Debug, Copy, HashStable_Generic)]
pub struct TraitRef<'hir> {
pub path: &'hir Path<'hir>,
// Don't hash the `ref_id`. It is tracked via the thing it is used to access.
@@ -2958,7 +2963,7 @@ impl TraitRef<'_> {
}
}
-#[derive(Clone, Debug, HashStable_Generic)]
+#[derive(Clone, Debug, Copy, HashStable_Generic)]
pub struct PolyTraitRef<'hir> {
/// The `'a` in `for<'a> Foo<&'a T>`.
pub bound_generic_params: &'hir [GenericParam<'hir>],
@@ -2969,7 +2974,7 @@ pub struct PolyTraitRef<'hir> {
pub span: Span,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct FieldDef<'hir> {
pub span: Span,
pub vis_span: Span,
@@ -2988,7 +2993,7 @@ impl FieldDef<'_> {
}
/// Fields and constructor IDs of enum variants and structs.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum VariantData<'hir> {
/// A struct variant.
///
@@ -3058,7 +3063,7 @@ impl ItemId {
/// An item
///
/// The name might be a dummy name in case of anonymous items
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Item<'hir> {
pub ident: Ident,
pub owner_id: OwnerId,
@@ -3146,7 +3151,6 @@ impl<'hir> Item<'hir> {
(ty, gen)
}
- /// An opaque `impl Trait` type alias, e.g., `type Foo = impl Bar;`.
/// Expect an [`ItemKind::OpaqueTy`] or panic.
#[track_caller]
pub fn expect_opaque_ty(&self) -> &OpaqueTy<'hir> {
@@ -3168,7 +3172,6 @@ impl<'hir> Item<'hir> {
(data, gen)
}
- /// A union definition, e.g., `union Foo<A, B> {x: A, y: B}`.
/// Expect an [`ItemKind::Union`] or panic.
#[track_caller]
pub fn expect_union(&self) -> (&VariantData<'hir>, &'hir Generics<'hir>) {
@@ -3230,7 +3233,7 @@ impl fmt::Display for Unsafety {
}
}
-#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug)]
#[derive(Encodable, Decodable, HashStable_Generic)]
pub enum Constness {
Const,
@@ -3246,7 +3249,7 @@ impl fmt::Display for Constness {
}
}
-#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub struct FnHeader {
pub unsafety: Unsafety,
pub constness: Constness,
@@ -3268,7 +3271,7 @@ impl FnHeader {
}
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum ItemKind<'hir> {
/// An `extern crate` item, with optional *original* crate name if the crate was renamed.
///
@@ -3289,7 +3292,7 @@ pub enum ItemKind<'hir> {
/// A function declaration.
Fn(FnSig<'hir>, &'hir Generics<'hir>, BodyId),
/// A MBE macro definition (`macro_rules!` or `macro`).
- Macro(ast::MacroDef, MacroKind),
+ Macro(&'hir ast::MacroDef, MacroKind),
/// A module.
Mod(&'hir Mod<'hir>),
/// An external module, e.g. `extern { .. }`.
@@ -3315,7 +3318,7 @@ pub enum ItemKind<'hir> {
Impl(&'hir Impl<'hir>),
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct Impl<'hir> {
pub unsafety: Unsafety,
pub polarity: ImplPolarity,
@@ -3378,7 +3381,7 @@ impl ItemKind<'_> {
/// type or method, and whether it is public). This allows other
/// passes to find the impl they want without loading the ID (which
/// means fewer edges in the incremental compilation graph).
-#[derive(Encodable, Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct TraitItemRef {
pub id: TraitItemId,
pub ident: Ident,
@@ -3392,7 +3395,7 @@ pub struct TraitItemRef {
/// type or method, and whether it is public). This allows other
/// passes to find the impl they want without loading the ID (which
/// means fewer edges in the incremental compilation graph).
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct ImplItemRef {
pub id: ImplItemId,
pub ident: Ident,
@@ -3402,7 +3405,7 @@ pub struct ImplItemRef {
pub trait_item_def_id: Option<DefId>,
}
-#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)]
+#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)]
pub enum AssocItemKind {
Const,
Fn { has_self: bool },
@@ -3431,14 +3434,14 @@ impl ForeignItemId {
/// type or method, and whether it is public). This allows other
/// passes to find the impl they want without loading the ID (which
/// means fewer edges in the incremental compilation graph).
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct ForeignItemRef {
pub id: ForeignItemId,
pub ident: Ident,
pub span: Span,
}
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub struct ForeignItem<'hir> {
pub ident: Ident,
pub kind: ForeignItemKind<'hir>,
@@ -3460,7 +3463,7 @@ impl ForeignItem<'_> {
}
/// An item within an `extern` block.
-#[derive(Debug, HashStable_Generic)]
+#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum ForeignItemKind<'hir> {
/// A foreign function.
Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>),
@@ -3471,7 +3474,7 @@ pub enum ForeignItemKind<'hir> {
}
/// A variable captured by a closure.
-#[derive(Debug, Copy, Clone, Encodable, HashStable_Generic)]
+#[derive(Debug, Copy, Clone, HashStable_Generic)]
pub struct Upvar {
/// First span where it is accessed (there can be multiple).
pub span: Span,
@@ -3480,7 +3483,7 @@ pub struct Upvar {
// The TraitCandidate's import_ids is empty if the trait is defined in the same module, and
// has length > 0 if the trait is found through an chain of imports, starting with the
// import/use statement in the scope where the trait is used.
-#[derive(Encodable, Decodable, Debug, HashStable_Generic)]
+#[derive(Debug, Clone, HashStable_Generic)]
pub struct TraitCandidate {
pub def_id: DefId,
pub import_ids: SmallVec<[LocalDefId; 1]>,
@@ -3531,12 +3534,20 @@ impl<'hir> OwnerNode<'hir> {
pub fn body_id(&self) -> Option<BodyId> {
match self {
- OwnerNode::TraitItem(TraitItem {
- kind: TraitItemKind::Fn(_, TraitFn::Provided(body_id)),
+ OwnerNode::Item(Item {
+ kind:
+ ItemKind::Static(_, _, body) | ItemKind::Const(_, body) | ItemKind::Fn(_, _, body),
..
})
- | OwnerNode::ImplItem(ImplItem { kind: ImplItemKind::Fn(_, body_id), .. })
- | OwnerNode::Item(Item { kind: ItemKind::Fn(.., body_id), .. }) => Some(*body_id),
+ | OwnerNode::TraitItem(TraitItem {
+ kind:
+ TraitItemKind::Fn(_, TraitFn::Provided(body)) | TraitItemKind::Const(_, Some(body)),
+ ..
+ })
+ | OwnerNode::ImplItem(ImplItem {
+ kind: ImplItemKind::Fn(_, body) | ImplItemKind::Const(_, body),
+ ..
+ }) => Some(*body),
_ => None,
}
}
@@ -3731,12 +3742,27 @@ impl<'hir> Node<'hir> {
pub fn body_id(&self) -> Option<BodyId> {
match self {
- Node::TraitItem(TraitItem {
- kind: TraitItemKind::Fn(_, TraitFn::Provided(body_id)),
+ Node::Item(Item {
+ kind:
+ ItemKind::Static(_, _, body) | ItemKind::Const(_, body) | ItemKind::Fn(_, _, body),
..
})
- | Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(_, body_id), .. })
- | Node::Item(Item { kind: ItemKind::Fn(.., body_id), .. }) => Some(*body_id),
+ | Node::TraitItem(TraitItem {
+ kind:
+ TraitItemKind::Fn(_, TraitFn::Provided(body)) | TraitItemKind::Const(_, Some(body)),
+ ..
+ })
+ | Node::ImplItem(ImplItem {
+ kind: ImplItemKind::Fn(_, body) | ImplItemKind::Const(_, body),
+ ..
+ })
+ | Node::Expr(Expr {
+ kind:
+ ExprKind::ConstBlock(AnonConst { body, .. })
+ | ExprKind::Closure(Closure { body, .. })
+ | ExprKind::Repeat(_, ArrayLen::Body(AnonConst { body, .. })),
+ ..
+ }) => Some(*body),
_ => None,
}
}
diff --git a/compiler/rustc_hir/src/hir_id.rs b/compiler/rustc_hir/src/hir_id.rs
index 37ac37231..d549f52f8 100644
--- a/compiler/rustc_hir/src/hir_id.rs
+++ b/compiler/rustc_hir/src/hir_id.rs
@@ -35,7 +35,7 @@ impl OwnerId {
}
}
-impl rustc_index::vec::Idx for OwnerId {
+impl rustc_index::Idx for OwnerId {
#[inline]
fn new(idx: usize) -> Self {
OwnerId { def_id: LocalDefId { local_def_index: DefIndex::from_usize(idx) } }
@@ -116,10 +116,7 @@ impl HirId {
}
pub fn index(self) -> (usize, usize) {
- (
- rustc_index::vec::Idx::index(self.owner.def_id),
- rustc_index::vec::Idx::index(self.local_id),
- )
+ (rustc_index::Idx::index(self.owner.def_id), rustc_index::Idx::index(self.local_id))
}
}
diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs
index 234256ab5..df0047d82 100644
--- a/compiler/rustc_hir/src/intravisit.rs
+++ b/compiler/rustc_hir/src/intravisit.rs
@@ -786,6 +786,10 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>)
ExprKind::InlineAsm(ref asm) => {
visitor.visit_inline_asm(asm, expression.hir_id);
}
+ ExprKind::OffsetOf(ref container, ref fields) => {
+ visitor.visit_ty(container);
+ walk_list!(visitor, visit_ident, fields.iter().copied());
+ }
ExprKind::Yield(ref subexpression, _) => {
visitor.visit_expr(subexpression);
}
diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs
index 8f91a96f9..4b3bc816b 100644
--- a/compiler/rustc_hir/src/lang_items.rs
+++ b/compiler/rustc_hir/src/lang_items.rs
@@ -8,7 +8,6 @@
//! * Functions called by the compiler itself.
use crate::def_id::DefId;
-use crate::errors::LangItemError;
use crate::{MethodKind, Target};
use rustc_ast as ast;
@@ -42,13 +41,6 @@ impl LanguageItems {
self.items[item as usize] = Some(def_id);
}
- /// Requires that a given `LangItem` was bound and returns the corresponding `DefId`.
- /// If it wasn't bound, e.g. due to a missing `#[lang = "<it.name()>"]`,
- /// returns an error encapsulating the `LangItem`.
- pub fn require(&self, it: LangItem) -> Result<DefId, LangItemError> {
- self.get(it).ok_or_else(|| LangItemError(it))
- }
-
pub fn iter(&self) -> impl Iterator<Item = (LangItem, DefId)> + '_ {
self.items
.iter()
@@ -226,6 +218,7 @@ language_item_table! {
PartialEq, sym::eq, eq_trait, Target::Trait, GenericRequirement::Exact(1);
PartialOrd, sym::partial_ord, partial_ord_trait, Target::Trait, GenericRequirement::Exact(1);
+ CVoid, sym::c_void, c_void, Target::Enum, GenericRequirement::None;
// A number of panic-related lang items. The `panic` item corresponds to divide-by-zero and
// various panic cases with `match`. The `panic_bounds_check` item is for indexing arrays.
@@ -293,6 +286,8 @@ language_item_table! {
PointerLike, sym::pointer_like, pointer_like, Target::Trait, GenericRequirement::Exact(0);
+ ConstParamTy, sym::const_param_ty, const_param_ty_trait, Target::Trait, GenericRequirement::Exact(0);
+
Poll, sym::Poll, poll, Target::Enum, GenericRequirement::None;
PollReady, sym::Ready, poll_ready_variant, Target::Variant, GenericRequirement::None;
PollPending, sym::Pending, poll_pending_variant, Target::Variant, GenericRequirement::None;
@@ -330,6 +325,7 @@ language_item_table! {
RangeTo, sym::RangeTo, range_to_struct, Target::Struct, GenericRequirement::None;
String, sym::String, string, Target::Struct, GenericRequirement::None;
+ CStr, sym::CStr, c_str, Target::Struct, GenericRequirement::None;
}
pub enum GenericRequirement {
diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs
index 98d967cc0..616de57dc 100644
--- a/compiler/rustc_hir/src/lib.rs
+++ b/compiler/rustc_hir/src/lib.rs
@@ -30,7 +30,6 @@ pub mod def;
pub mod def_path_hash_map;
pub mod definitions;
pub mod diagnostic_items;
-pub mod errors;
pub use rustc_span::def_id;
mod hir;
pub mod hir_id;
diff --git a/compiler/rustc_hir/src/tests.rs b/compiler/rustc_hir/src/tests.rs
index d47911509..a40a01787 100644
--- a/compiler/rustc_hir/src/tests.rs
+++ b/compiler/rustc_hir/src/tests.rs
@@ -1,4 +1,5 @@
use crate::definitions::{DefKey, DefPathData, DisambiguatedDefPathData};
+use rustc_data_structures::stable_hasher::Hash64;
use rustc_span::def_id::{DefPathHash, StableCrateId};
use rustc_span::edition::Edition;
use rustc_span::{create_session_if_not_set_then, Symbol};
@@ -9,13 +10,13 @@ fn def_path_hash_depends_on_crate_id() {
// the crate-id of the defining crate. This is a desirable property
// because the crate-id can be more easily changed than the DefPath
// of an item, so, in the case of a crate-local DefPathHash collision,
- // the user can simply "role the dice again" for all DefPathHashes in
+ // the user can simply "roll the dice again" for all DefPathHashes in
// the crate by changing the crate disambiguator (e.g. via bumping the
// crate's version number).
create_session_if_not_set_then(Edition::Edition2024, |_| {
- let id0 = StableCrateId::new(Symbol::intern("foo"), false, vec!["1".to_string()]);
- let id1 = StableCrateId::new(Symbol::intern("foo"), false, vec!["2".to_string()]);
+ let id0 = StableCrateId::new(Symbol::intern("foo"), false, vec!["1".to_string()], "");
+ let id1 = StableCrateId::new(Symbol::intern("foo"), false, vec!["2".to_string()], "");
let h0 = mk_test_hash(id0);
let h1 = mk_test_hash(id1);
@@ -24,7 +25,7 @@ fn def_path_hash_depends_on_crate_id() {
assert_ne!(h0.local_hash(), h1.local_hash());
fn mk_test_hash(stable_crate_id: StableCrateId) -> DefPathHash {
- let parent_hash = DefPathHash::new(stable_crate_id, 0);
+ let parent_hash = DefPathHash::new(stable_crate_id, Hash64::ZERO);
let key = DefKey {
parent: None,