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-rw-r--r--compiler/rustc_hir/Cargo.toml1
-rw-r--r--compiler/rustc_hir/src/def.rs125
-rw-r--r--compiler/rustc_hir/src/hir.rs97
-rw-r--r--compiler/rustc_hir/src/hir_id.rs60
-rw-r--r--compiler/rustc_hir/src/intravisit.rs20
-rw-r--r--compiler/rustc_hir/src/lib.rs3
-rw-r--r--compiler/rustc_hir/src/stable_hash_impls.rs10
7 files changed, 207 insertions, 109 deletions
diff --git a/compiler/rustc_hir/Cargo.toml b/compiler/rustc_hir/Cargo.toml
index 69ad623b7..129f8d235 100644
--- a/compiler/rustc_hir/Cargo.toml
+++ b/compiler/rustc_hir/Cargo.toml
@@ -4,7 +4,6 @@ version = "0.0.0"
edition = "2021"
[lib]
-doctest = false
[dependencies]
rustc_arena = { path = "../rustc_arena" }
diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs
index e7c26bd72..4ef4aad90 100644
--- a/compiler/rustc_hir/src/def.rs
+++ b/compiler/rustc_hir/src/def.rs
@@ -314,74 +314,75 @@ pub enum Res<Id = hir::HirId> {
/// **Belongs to the type namespace.**
PrimTy(hir::PrimTy),
- /// The `Self` type, optionally with the [`DefId`] of the trait it belongs to and
- /// optionally with the [`DefId`] of the item introducing the `Self` type alias.
+ /// The `Self` type, as used within a trait.
+ ///
+ /// **Belongs to the type namespace.**
+ ///
+ /// See the examples on [`Res::SelfTyAlias`] for details.
+ SelfTyParam {
+ /// The trait this `Self` is a generic parameter for.
+ trait_: DefId,
+ },
+
+ /// The `Self` type, as used somewhere other than within a trait.
///
/// **Belongs to the type namespace.**
///
/// Examples:
/// ```
- /// struct Bar(Box<Self>);
- /// // `Res::SelfTy { trait_: None, alias_of: Some(Bar) }`
+ /// struct Bar(Box<Self>); // SelfTyAlias
///
/// trait Foo {
- /// fn foo() -> Box<Self>;
- /// // `Res::SelfTy { trait_: Some(Foo), alias_of: None }`
+ /// fn foo() -> Box<Self>; // SelfTyParam
/// }
///
/// impl Bar {
/// fn blah() {
- /// let _: Self;
- /// // `Res::SelfTy { trait_: None, alias_of: Some(::{impl#0}) }`
+ /// let _: Self; // SelfTyAlias
/// }
/// }
///
/// impl Foo for Bar {
- /// fn foo() -> Box<Self> {
- /// // `Res::SelfTy { trait_: Some(Foo), alias_of: Some(::{impl#1}) }`
- /// let _: Self;
- /// // `Res::SelfTy { trait_: Some(Foo), alias_of: Some(::{impl#1}) }`
+ /// fn foo() -> Box<Self> { // SelfTyAlias
+ /// let _: Self; // SelfTyAlias
///
/// todo!()
/// }
/// }
/// ```
- ///
/// *See also [`Res::SelfCtor`].*
///
- /// -----
- ///
- /// HACK(min_const_generics): self types also have an optional requirement to **not** mention
- /// any generic parameters to allow the following with `min_const_generics`:
- /// ```
- /// # struct Foo;
- /// impl Foo { fn test() -> [u8; std::mem::size_of::<Self>()] { todo!() } }
- ///
- /// struct Bar([u8; baz::<Self>()]);
- /// const fn baz<T>() -> usize { 10 }
- /// ```
- /// We do however allow `Self` in repeat expression even if it is generic to not break code
- /// which already works on stable while causing the `const_evaluatable_unchecked` future compat
- /// lint:
- /// ```
- /// fn foo<T>() {
- /// let _bar = [1_u8; std::mem::size_of::<*mut T>()];
- /// }
- /// ```
- // FIXME(generic_const_exprs): Remove this bodge once that feature is stable.
- SelfTy {
- /// The trait this `Self` is a generic arg for.
- trait_: Option<DefId>,
+ SelfTyAlias {
/// The item introducing the `Self` type alias. Can be used in the `type_of` query
- /// to get the underlying type. Additionally whether the `Self` type is disallowed
- /// from mentioning generics (i.e. when used in an anonymous constant).
- alias_to: Option<(DefId, bool)>,
- },
+ /// to get the underlying type.
+ alias_to: DefId,
- /// A tool attribute module; e.g., the `rustfmt` in `#[rustfmt::skip]`.
- ///
- /// **Belongs to the type namespace.**
- ToolMod,
+ /// Whether the `Self` type is disallowed from mentioning generics (i.e. when used in an
+ /// anonymous constant).
+ ///
+ /// HACK(min_const_generics): self types also have an optional requirement to **not**
+ /// mention any generic parameters to allow the following with `min_const_generics`:
+ /// ```
+ /// # struct Foo;
+ /// impl Foo { fn test() -> [u8; std::mem::size_of::<Self>()] { todo!() } }
+ ///
+ /// struct Bar([u8; baz::<Self>()]);
+ /// const fn baz<T>() -> usize { 10 }
+ /// ```
+ /// We do however allow `Self` in repeat expression even if it is generic to not break code
+ /// which already works on stable while causing the `const_evaluatable_unchecked` future
+ /// compat lint:
+ /// ```
+ /// fn foo<T>() {
+ /// let _bar = [1_u8; std::mem::size_of::<*mut T>()];
+ /// }
+ /// ```
+ // FIXME(generic_const_exprs): Remove this bodge once that feature is stable.
+ forbid_generic: bool,
+
+ /// Is this within an `impl Foo for bar`?
+ is_trait_impl: bool,
+ },
// Value namespace
/// The `Self` constructor, along with the [`DefId`]
@@ -389,7 +390,7 @@ pub enum Res<Id = hir::HirId> {
///
/// **Belongs to the value namespace.**
///
- /// *See also [`Res::SelfTy`].*
+ /// *See also [`Res::SelfTyParam`] and [`Res::SelfTyAlias`].*
SelfCtor(DefId),
/// A local variable or function parameter.
@@ -397,6 +398,11 @@ pub enum Res<Id = hir::HirId> {
/// **Belongs to the value namespace.**
Local(Id),
+ /// A tool attribute module; e.g., the `rustfmt` in `#[rustfmt::skip]`.
+ ///
+ /// **Belongs to the type namespace.**
+ ToolMod,
+
// Macro namespace
/// An attribute that is *not* implemented via macro.
/// E.g., `#[inline]` and `#[rustfmt::skip]`, which are essentially directives,
@@ -458,6 +464,16 @@ impl PartialRes {
pub fn unresolved_segments(&self) -> usize {
self.unresolved_segments
}
+
+ #[inline]
+ pub fn full_res(&self) -> Option<Res<NodeId>> {
+ (self.unresolved_segments == 0).then_some(self.base_res)
+ }
+
+ #[inline]
+ pub fn expect_full_res(&self) -> Res<NodeId> {
+ self.full_res().expect("unexpected unresolved segments")
+ }
}
/// Different kinds of symbols can coexist even if they share the same textual name.
@@ -606,7 +622,8 @@ impl<Id> Res<Id> {
Res::Local(..)
| Res::PrimTy(..)
- | Res::SelfTy { .. }
+ | Res::SelfTyParam { .. }
+ | Res::SelfTyAlias { .. }
| Res::SelfCtor(..)
| Res::ToolMod
| Res::NonMacroAttr(..)
@@ -629,7 +646,7 @@ impl<Id> Res<Id> {
Res::SelfCtor(..) => "self constructor",
Res::PrimTy(..) => "builtin type",
Res::Local(..) => "local variable",
- Res::SelfTy { .. } => "self type",
+ Res::SelfTyParam { .. } | Res::SelfTyAlias { .. } => "self type",
Res::ToolMod => "tool module",
Res::NonMacroAttr(attr_kind) => attr_kind.descr(),
Res::Err => "unresolved item",
@@ -652,7 +669,10 @@ impl<Id> Res<Id> {
Res::SelfCtor(id) => Res::SelfCtor(id),
Res::PrimTy(id) => Res::PrimTy(id),
Res::Local(id) => Res::Local(map(id)),
- Res::SelfTy { trait_, alias_to } => Res::SelfTy { trait_, alias_to },
+ Res::SelfTyParam { trait_ } => Res::SelfTyParam { trait_ },
+ Res::SelfTyAlias { alias_to, forbid_generic, is_trait_impl } => {
+ Res::SelfTyAlias { alias_to, forbid_generic, is_trait_impl }
+ }
Res::ToolMod => Res::ToolMod,
Res::NonMacroAttr(attr_kind) => Res::NonMacroAttr(attr_kind),
Res::Err => Res::Err,
@@ -665,7 +685,10 @@ impl<Id> Res<Id> {
Res::SelfCtor(id) => Res::SelfCtor(id),
Res::PrimTy(id) => Res::PrimTy(id),
Res::Local(id) => Res::Local(map(id)?),
- Res::SelfTy { trait_, alias_to } => Res::SelfTy { trait_, alias_to },
+ Res::SelfTyParam { trait_ } => Res::SelfTyParam { trait_ },
+ Res::SelfTyAlias { alias_to, forbid_generic, is_trait_impl } => {
+ Res::SelfTyAlias { alias_to, forbid_generic, is_trait_impl }
+ }
Res::ToolMod => Res::ToolMod,
Res::NonMacroAttr(attr_kind) => Res::NonMacroAttr(attr_kind),
Res::Err => Res::Err,
@@ -692,7 +715,9 @@ impl<Id> Res<Id> {
pub fn ns(&self) -> Option<Namespace> {
match self {
Res::Def(kind, ..) => kind.ns(),
- Res::PrimTy(..) | Res::SelfTy { .. } | Res::ToolMod => Some(Namespace::TypeNS),
+ Res::PrimTy(..) | Res::SelfTyParam { .. } | Res::SelfTyAlias { .. } | Res::ToolMod => {
+ Some(Namespace::TypeNS)
+ }
Res::SelfCtor(..) | Res::Local(..) => Some(Namespace::ValueNS),
Res::NonMacroAttr(..) => Some(Namespace::MacroNS),
Res::Err => None,
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index a8436ea64..ef00c1ffc 100644
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -1,6 +1,6 @@
use crate::def::{CtorKind, DefKind, Res};
use crate::def_id::DefId;
-pub(crate) use crate::hir_id::{HirId, ItemLocalId};
+pub(crate) use crate::hir_id::{HirId, ItemLocalId, OwnerId};
use crate::intravisit::FnKind;
use crate::LangItem;
@@ -731,6 +731,7 @@ pub enum PredicateOrigin {
/// A type bound (e.g., `for<'c> Foo: Send + Clone + 'c`).
#[derive(Debug, HashStable_Generic)]
pub struct WhereBoundPredicate<'hir> {
+ pub hir_id: HirId,
pub span: Span,
/// Origin of the predicate.
pub origin: PredicateOrigin,
@@ -2206,14 +2207,14 @@ pub struct FnSig<'hir> {
// so it can fetched later.
#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, HashStable_Generic)]
pub struct TraitItemId {
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
}
impl TraitItemId {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
}
@@ -2224,7 +2225,7 @@ impl TraitItemId {
#[derive(Debug, HashStable_Generic)]
pub struct TraitItem<'hir> {
pub ident: Ident,
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
pub generics: &'hir Generics<'hir>,
pub kind: TraitItemKind<'hir>,
pub span: Span,
@@ -2235,11 +2236,11 @@ impl TraitItem<'_> {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
pub fn trait_item_id(&self) -> TraitItemId {
- TraitItemId { def_id: self.def_id }
+ TraitItemId { owner_id: self.owner_id }
}
}
@@ -2270,14 +2271,14 @@ pub enum TraitItemKind<'hir> {
// so it can fetched later.
#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, HashStable_Generic)]
pub struct ImplItemId {
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
}
impl ImplItemId {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
}
@@ -2285,7 +2286,7 @@ impl ImplItemId {
#[derive(Debug, HashStable_Generic)]
pub struct ImplItem<'hir> {
pub ident: Ident,
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
pub generics: &'hir Generics<'hir>,
pub kind: ImplItemKind<'hir>,
pub defaultness: Defaultness,
@@ -2297,11 +2298,11 @@ impl ImplItem<'_> {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
pub fn impl_item_id(&self) -> ImplItemId {
- ImplItemId { def_id: self.def_id }
+ ImplItemId { owner_id: self.owner_id }
}
}
@@ -2314,7 +2315,7 @@ pub enum ImplItemKind<'hir> {
/// An associated function implementation with the given signature and body.
Fn(FnSig<'hir>, BodyId),
/// An associated type.
- TyAlias(&'hir Ty<'hir>),
+ Type(&'hir Ty<'hir>),
}
// The name of the associated type for `Fn` return types.
@@ -2403,8 +2404,9 @@ impl<'hir> Ty<'hir> {
return None;
};
match path.res {
- Res::Def(DefKind::TyParam, def_id)
- | Res::SelfTy { trait_: Some(def_id), alias_to: None } => Some((def_id, segment.ident)),
+ Res::Def(DefKind::TyParam, def_id) | Res::SelfTyParam { trait_: def_id } => {
+ Some((def_id, segment.ident))
+ }
_ => None,
}
}
@@ -2416,6 +2418,30 @@ impl<'hir> Ty<'hir> {
}
final_ty
}
+
+ pub fn find_self_aliases(&self) -> Vec<Span> {
+ use crate::intravisit::Visitor;
+ struct MyVisitor(Vec<Span>);
+ impl<'v> Visitor<'v> for MyVisitor {
+ fn visit_ty(&mut self, t: &'v Ty<'v>) {
+ if matches!(
+ &t.kind,
+ TyKind::Path(QPath::Resolved(
+ _,
+ Path { res: crate::def::Res::SelfTyAlias { .. }, .. },
+ ))
+ ) {
+ self.0.push(t.span);
+ return;
+ }
+ crate::intravisit::walk_ty(self, t);
+ }
+ }
+
+ let mut my_visitor = MyVisitor(vec![]);
+ my_visitor.visit_ty(self);
+ my_visitor.0
+ }
}
/// Not represented directly in the AST; referred to by name through a `ty_path`.
@@ -2888,14 +2914,14 @@ impl<'hir> VariantData<'hir> {
// so it can fetched later.
#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, Hash, HashStable_Generic)]
pub struct ItemId {
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
}
impl ItemId {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
}
@@ -2905,7 +2931,7 @@ impl ItemId {
#[derive(Debug, HashStable_Generic)]
pub struct Item<'hir> {
pub ident: Ident,
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
pub kind: ItemKind<'hir>,
pub span: Span,
pub vis_span: Span,
@@ -2915,11 +2941,11 @@ impl Item<'_> {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
pub fn item_id(&self) -> ItemId {
- ItemId { def_id: self.def_id }
+ ItemId { owner_id: self.owner_id }
}
}
@@ -3132,14 +3158,14 @@ pub enum AssocItemKind {
// so it can fetched later.
#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, HashStable_Generic)]
pub struct ForeignItemId {
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
}
impl ForeignItemId {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
}
@@ -3160,7 +3186,7 @@ pub struct ForeignItemRef {
pub struct ForeignItem<'hir> {
pub ident: Ident,
pub kind: ForeignItemKind<'hir>,
- pub def_id: LocalDefId,
+ pub owner_id: OwnerId,
pub span: Span,
pub vis_span: Span,
}
@@ -3169,11 +3195,11 @@ impl ForeignItem<'_> {
#[inline]
pub fn hir_id(&self) -> HirId {
// Items are always HIR owners.
- HirId::make_owner(self.def_id)
+ HirId::make_owner(self.owner_id.def_id)
}
pub fn foreign_item_id(&self) -> ForeignItemId {
- ForeignItemId { def_id: self.def_id }
+ ForeignItemId { owner_id: self.owner_id }
}
}
@@ -3263,12 +3289,12 @@ impl<'hir> OwnerNode<'hir> {
Node::generics(self.into())
}
- pub fn def_id(self) -> LocalDefId {
+ pub fn def_id(self) -> OwnerId {
match self {
- OwnerNode::Item(Item { def_id, .. })
- | OwnerNode::TraitItem(TraitItem { def_id, .. })
- | OwnerNode::ImplItem(ImplItem { def_id, .. })
- | OwnerNode::ForeignItem(ForeignItem { def_id, .. }) => *def_id,
+ OwnerNode::Item(Item { owner_id, .. })
+ | OwnerNode::TraitItem(TraitItem { owner_id, .. })
+ | OwnerNode::ImplItem(ImplItem { owner_id, .. })
+ | OwnerNode::ForeignItem(ForeignItem { owner_id, .. }) => *owner_id,
OwnerNode::Crate(..) => crate::CRATE_HIR_ID.owner,
}
}
@@ -3512,7 +3538,7 @@ impl<'hir> Node<'hir> {
#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
mod size_asserts {
use super::*;
- // These are in alphabetical order, which is easy to maintain.
+ // tidy-alphabetical-start
static_assert_size!(Block<'_>, 48);
static_assert_size!(Body<'_>, 32);
static_assert_size!(Expr<'_>, 64);
@@ -3520,30 +3546,27 @@ mod size_asserts {
static_assert_size!(FnDecl<'_>, 40);
static_assert_size!(ForeignItem<'_>, 72);
static_assert_size!(ForeignItemKind<'_>, 40);
- #[cfg(not(bootstrap))]
static_assert_size!(GenericArg<'_>, 24);
static_assert_size!(GenericBound<'_>, 48);
static_assert_size!(Generics<'_>, 56);
static_assert_size!(Impl<'_>, 80);
- #[cfg(not(bootstrap))]
static_assert_size!(ImplItem<'_>, 80);
- #[cfg(not(bootstrap))]
static_assert_size!(ImplItemKind<'_>, 32);
static_assert_size!(Item<'_>, 80);
static_assert_size!(ItemKind<'_>, 48);
static_assert_size!(Local<'_>, 64);
static_assert_size!(Param<'_>, 32);
static_assert_size!(Pat<'_>, 72);
+ static_assert_size!(Path<'_>, 40);
+ static_assert_size!(PathSegment<'_>, 48);
static_assert_size!(PatKind<'_>, 48);
- static_assert_size!(Path<'_>, 48);
- static_assert_size!(PathSegment<'_>, 56);
static_assert_size!(QPath<'_>, 24);
+ static_assert_size!(Res, 12);
static_assert_size!(Stmt<'_>, 32);
static_assert_size!(StmtKind<'_>, 16);
- #[cfg(not(bootstrap))]
static_assert_size!(TraitItem<'_>, 88);
- #[cfg(not(bootstrap))]
static_assert_size!(TraitItemKind<'_>, 48);
static_assert_size!(Ty<'_>, 48);
static_assert_size!(TyKind<'_>, 32);
+ // tidy-alphabetical-end
}
diff --git a/compiler/rustc_hir/src/hir_id.rs b/compiler/rustc_hir/src/hir_id.rs
index 84b0740c7..752f760ea 100644
--- a/compiler/rustc_hir/src/hir_id.rs
+++ b/compiler/rustc_hir/src/hir_id.rs
@@ -1,6 +1,43 @@
-use crate::def_id::{LocalDefId, CRATE_DEF_ID};
+use crate::def_id::{DefId, LocalDefId, CRATE_DEF_ID};
+use rustc_data_structures::stable_hasher::{HashStable, StableHasher, ToStableHashKey};
+use rustc_span::{def_id::DefPathHash, HashStableContext};
use std::fmt;
+#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
+#[derive(Encodable, Decodable)]
+pub struct OwnerId {
+ pub def_id: LocalDefId,
+}
+
+impl From<OwnerId> for HirId {
+ fn from(owner: OwnerId) -> HirId {
+ HirId { owner, local_id: ItemLocalId::from_u32(0) }
+ }
+}
+
+impl OwnerId {
+ #[inline]
+ pub fn to_def_id(self) -> DefId {
+ self.def_id.to_def_id()
+ }
+}
+
+impl<CTX: HashStableContext> HashStable<CTX> for OwnerId {
+ #[inline]
+ fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
+ self.to_stable_hash_key(hcx).hash_stable(hcx, hasher);
+ }
+}
+
+impl<CTX: HashStableContext> ToStableHashKey<CTX> for OwnerId {
+ type KeyType = DefPathHash;
+
+ #[inline]
+ fn to_stable_hash_key(&self, hcx: &CTX) -> DefPathHash {
+ hcx.def_path_hash(self.to_def_id())
+ }
+}
+
/// Uniquely identifies a node in the HIR of the current crate. It is
/// composed of the `owner`, which is the `LocalDefId` of the directly enclosing
/// `hir::Item`, `hir::TraitItem`, or `hir::ImplItem` (i.e., the closest "item-like"),
@@ -15,22 +52,23 @@ use std::fmt;
#[derive(Encodable, Decodable, HashStable_Generic)]
#[rustc_pass_by_value]
pub struct HirId {
- pub owner: LocalDefId,
+ pub owner: OwnerId,
pub local_id: ItemLocalId,
}
impl HirId {
/// Signal local id which should never be used.
- pub const INVALID: HirId = HirId { owner: CRATE_DEF_ID, local_id: ItemLocalId::INVALID };
+ pub const INVALID: HirId =
+ HirId { owner: OwnerId { def_id: CRATE_DEF_ID }, local_id: ItemLocalId::INVALID };
#[inline]
- pub fn expect_owner(self) -> LocalDefId {
+ pub fn expect_owner(self) -> OwnerId {
assert_eq!(self.local_id.index(), 0);
self.owner
}
#[inline]
- pub fn as_owner(self) -> Option<LocalDefId> {
+ pub fn as_owner(self) -> Option<OwnerId> {
if self.local_id.index() == 0 { Some(self.owner) } else { None }
}
@@ -41,11 +79,14 @@ impl HirId {
#[inline]
pub fn make_owner(owner: LocalDefId) -> Self {
- Self { owner, local_id: ItemLocalId::from_u32(0) }
+ Self { owner: OwnerId { def_id: owner }, local_id: ItemLocalId::from_u32(0) }
}
pub fn index(self) -> (usize, usize) {
- (rustc_index::vec::Idx::index(self.owner), rustc_index::vec::Idx::index(self.local_id))
+ (
+ rustc_index::vec::Idx::index(self.owner.def_id),
+ rustc_index::vec::Idx::index(self.local_id),
+ )
}
}
@@ -94,4 +135,7 @@ impl ItemLocalId {
}
/// The `HirId` corresponding to `CRATE_NODE_ID` and `CRATE_DEF_ID`.
-pub const CRATE_HIR_ID: HirId = HirId { owner: CRATE_DEF_ID, local_id: ItemLocalId::from_u32(0) };
+pub const CRATE_HIR_ID: HirId =
+ HirId { owner: OwnerId { def_id: CRATE_DEF_ID }, local_id: ItemLocalId::from_u32(0) };
+
+pub const CRATE_OWNER_ID: OwnerId = OwnerId { def_id: CRATE_DEF_ID };
diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs
index 8f5f314ec..be77e6fd3 100644
--- a/compiler/rustc_hir/src/intravisit.rs
+++ b/compiler/rustc_hir/src/intravisit.rs
@@ -847,20 +847,28 @@ pub fn walk_where_predicate<'v, V: Visitor<'v>>(
) {
match *predicate {
WherePredicate::BoundPredicate(WhereBoundPredicate {
+ hir_id,
ref bounded_ty,
bounds,
bound_generic_params,
- ..
+ origin: _,
+ span: _,
}) => {
+ visitor.visit_id(hir_id);
visitor.visit_ty(bounded_ty);
walk_list!(visitor, visit_param_bound, bounds);
walk_list!(visitor, visit_generic_param, bound_generic_params);
}
- WherePredicate::RegionPredicate(WhereRegionPredicate { ref lifetime, bounds, .. }) => {
+ WherePredicate::RegionPredicate(WhereRegionPredicate {
+ ref lifetime,
+ bounds,
+ span: _,
+ in_where_clause: _,
+ }) => {
visitor.visit_lifetime(lifetime);
walk_list!(visitor, visit_param_bound, bounds);
}
- WherePredicate::EqPredicate(WhereEqPredicate { ref lhs_ty, ref rhs_ty, .. }) => {
+ WherePredicate::EqPredicate(WhereEqPredicate { ref lhs_ty, ref rhs_ty, span: _ }) => {
visitor.visit_ty(lhs_ty);
visitor.visit_ty(rhs_ty);
}
@@ -904,7 +912,7 @@ pub fn walk_fn<'v, V: Visitor<'v>>(
pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v TraitItem<'v>) {
// N.B., deliberately force a compilation error if/when new fields are added.
- let TraitItem { ident, generics, ref defaultness, ref kind, span, def_id: _ } = *trait_item;
+ let TraitItem { ident, generics, ref defaultness, ref kind, span, owner_id: _ } = *trait_item;
let hir_id = trait_item.hir_id();
visitor.visit_ident(ident);
visitor.visit_generics(&generics);
@@ -944,7 +952,7 @@ 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 {
- def_id: _,
+ owner_id: _,
ident,
ref generics,
ref kind,
@@ -971,7 +979,7 @@ pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplIt
impl_item.hir_id(),
);
}
- ImplItemKind::TyAlias(ref ty) => {
+ ImplItemKind::Type(ref ty) => {
visitor.visit_id(impl_item.hir_id());
visitor.visit_ty(ty);
}
diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs
index 946da9265..1c4aa420c 100644
--- a/compiler/rustc_hir/src/lib.rs
+++ b/compiler/rustc_hir/src/lib.rs
@@ -4,8 +4,7 @@
#![feature(associated_type_defaults)]
#![feature(closure_track_caller)]
-#![feature(const_btree_new)]
-#![cfg_attr(bootstrap, feature(let_else))]
+#![feature(const_btree_len)]
#![feature(once_cell)]
#![feature(min_specialization)]
#![feature(never_type)]
diff --git a/compiler/rustc_hir/src/stable_hash_impls.rs b/compiler/rustc_hir/src/stable_hash_impls.rs
index 5b9c42686..23423e8f3 100644
--- a/compiler/rustc_hir/src/stable_hash_impls.rs
+++ b/compiler/rustc_hir/src/stable_hash_impls.rs
@@ -20,7 +20,7 @@ impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for HirId {
#[inline]
fn to_stable_hash_key(&self, hcx: &HirCtx) -> (DefPathHash, ItemLocalId) {
- let def_path_hash = self.owner.to_stable_hash_key(hcx);
+ let def_path_hash = self.owner.def_id.to_stable_hash_key(hcx);
(def_path_hash, self.local_id)
}
}
@@ -49,7 +49,7 @@ impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for ItemId {
#[inline]
fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash {
- self.def_id.to_stable_hash_key(hcx)
+ self.owner_id.def_id.to_stable_hash_key(hcx)
}
}
@@ -58,7 +58,7 @@ impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for TraitItemId {
#[inline]
fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash {
- self.def_id.to_stable_hash_key(hcx)
+ self.owner_id.def_id.to_stable_hash_key(hcx)
}
}
@@ -67,7 +67,7 @@ impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for ImplItemId {
#[inline]
fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash {
- self.def_id.to_stable_hash_key(hcx)
+ self.owner_id.def_id.to_stable_hash_key(hcx)
}
}
@@ -76,7 +76,7 @@ impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for ForeignItemId
#[inline]
fn to_stable_hash_key(&self, hcx: &HirCtx) -> DefPathHash {
- self.def_id.to_stable_hash_key(hcx)
+ self.owner_id.def_id.to_stable_hash_key(hcx)
}
}