bjoernager/rust
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Remove anon struct and union types

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This commit is contained in:
Michael Goulet 2024-09-29 22:17:30 -04:00
parent e3a0da1863
commit 40465d2449
19 changed files with 3 additions and 227 deletions
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40
compiler/rustc_ast_lowering/src/lib.rs
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@ -1264,46 +1264,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let kind = match &t.kind {
TyKind::Infer => hir::TyKind::Infer,
TyKind::Err(guar) => hir::TyKind::Err(*guar),
// Lower the anonymous structs or unions in a nested lowering context.
//
// ```
// struct Foo {
// _: union {
// // ^__________________ <-- within the nested lowering context,
// /* fields */ // | we lower all fields defined into an
// } // | owner node of struct or union item
// // ^_____________________|
// }
// ```
TyKind::AnonStruct(node_id, fields) | TyKind::AnonUnion(node_id, fields) => {
// Here its `def_id` is created in `build_reduced_graph`.
let def_id = self.local_def_id(*node_id);
debug!(?def_id);
let owner_id = hir::OwnerId { def_id };
self.with_hir_id_owner(*node_id, |this| {
let fields = this.arena.alloc_from_iter(
fields.iter().enumerate().map(|f| this.lower_field_def(f)),
);
let span = t.span;
let variant_data =
hir::VariantData::Struct { fields, recovered: ast::Recovered::No };
// FIXME: capture the generics from the outer adt.
let generics = hir::Generics::empty();
let kind = match t.kind {
TyKind::AnonStruct(..) => hir::ItemKind::Struct(variant_data, generics),
TyKind::AnonUnion(..) => hir::ItemKind::Union(variant_data, generics),
_ => unreachable!(),
};
hir::OwnerNode::Item(this.arena.alloc(hir::Item {
ident: Ident::new(kw::Empty, span),
owner_id,
kind,
span: this.lower_span(span),
vis_span: this.lower_span(span.shrink_to_lo()),
}))
});
hir::TyKind::AnonAdt(hir::ItemId { owner_id })
}
TyKind::Slice(ty) => hir::TyKind::Slice(self.lower_ty(ty, itctx)),
TyKind::Ptr(mt) => hir::TyKind::Ptr(self.lower_mt(mt, itctx)),
TyKind::Ref(region, mt) => {