bjoernager/rust
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Store a LocalDefId in hir::Variant & hir::Field.

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This commit is contained in:
Camille GILLOT 2022-11-06 19:46:55 +00:00
parent 607d0c2a14
commit 9d20aca983
25 changed files with 122 additions and 149 deletions
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20
compiler/rustc_hir/src/hir.rs
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@ -2801,7 +2801,8 @@ pub struct Variant<'hir> {
/// Name of the variant.
pub ident: Ident,
/// Id of the variant (not the constructor, see `VariantData::ctor_hir_id()`).
pub id: HirId,
pub hir_id: HirId,
pub def_id: LocalDefId,
/// Fields and constructor id of the variant.
pub data: VariantData<'hir>,
/// Explicit discriminant (e.g., `Foo = 1`).
@ -2868,6 +2869,7 @@ pub struct FieldDef<'hir> {
pub vis_span: Span,
pub ident: Ident,
pub hir_id: HirId,
pub def_id: LocalDefId,
pub ty: &'hir Ty<'hir>,
}
@ -2889,11 +2891,11 @@ pub enum VariantData<'hir> {
/// A tuple variant.
///
/// E.g., `Bar(..)` as in `enum Foo { Bar(..) }`.
Tuple(&'hir [FieldDef<'hir>], HirId),
Tuple(&'hir [FieldDef<'hir>], HirId, LocalDefId),
/// A unit variant.
///
/// E.g., `Bar = ..` as in `enum Foo { Bar = .. }`.
Unit(HirId),
Unit(HirId, LocalDefId),
}
impl<'hir> VariantData<'hir> {
@ -2905,11 +2907,19 @@ impl<'hir> VariantData<'hir> {
}
}
/// Return the `LocalDefId` of this variant's constructor, if it has one.
pub fn ctor_def_id(&self) -> Option<LocalDefId> {
match *self {
VariantData::Struct(_, _) => None,
VariantData::Tuple(_, _, def_id) | VariantData::Unit(_, def_id) => Some(def_id),
}
}
/// Return the `HirId` of this variant's constructor, if it has one.
pub fn ctor_hir_id(&self) -> Option<HirId> {
match *self {
VariantData::Struct(_, _) => None,
VariantData::Tuple(_, hir_id) | VariantData::Unit(hir_id) => Some(hir_id),
VariantData::Tuple(_, hir_id, _) | VariantData::Unit(hir_id, _) => Some(hir_id),
}
}
}
@ -3535,7 +3545,7 @@ impl<'hir> Node<'hir> {
/// Get the fields for the tuple-constructor,
/// if this node is a tuple constructor, otherwise None
pub fn tuple_fields(&self) -> Option<&'hir [FieldDef<'hir>]> {
if let Node::Ctor(&VariantData::Tuple(fields, _)) = self { Some(fields) } else { None }
if let Node::Ctor(&VariantData::Tuple(fields, _, _)) = self { Some(fields) } else { None }
}
}