bjoernager/rust
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Implement Anonymous{Struct, Union} in the AST

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Add unnamed_fields feature gate and gate unnamed fields on parsing
This commit is contained in:
jedel1043 2021-05-16 09:49:16 -05:00
parent 8cf990c9b5
commit 059b68dd67
13 changed files with 232 additions and 31 deletions
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5
compiler/rustc_ast_lowering/src/item.rs
View file

@ -789,7 +789,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
}
}
fn lower_field_def(&mut self, (index, f): (usize, &FieldDef)) -> hir::FieldDef<'hir> {
pub(super) fn lower_field_def(
&mut self,
(index, f): (usize, &FieldDef),
) -> hir::FieldDef<'hir> {
let ty = if let TyKind::Path(ref qself, ref path) = f.ty.kind {
let t = self.lower_path_ty(
&f.ty,

9
compiler/rustc_ast_lowering/src/lib.rs
View file

@ -1267,6 +1267,15 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let kind = match t.kind {
TyKind::Infer => hir::TyKind::Infer,
TyKind::Err => hir::TyKind::Err,
// FIXME(unnamed_fields): IMPLEMENTATION IN PROGRESS
TyKind::AnonymousStruct(ref _fields, _recovered) => {
self.sess.struct_span_err(t.span, "anonymous structs are unimplemented").emit();
hir::TyKind::Err
}
TyKind::AnonymousUnion(ref _fields, _recovered) => {
self.sess.struct_span_err(t.span, "anonymous unions are unimplemented").emit();
hir::TyKind::Err
}
TyKind::Slice(ref ty) => hir::TyKind::Slice(self.lower_ty(ty, itctx)),
TyKind::Ptr(ref mt) => hir::TyKind::Ptr(self.lower_mt(mt, itctx)),
TyKind::Rptr(ref region, ref mt) => {