bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Unreserve braced enum variants in value namespace

Browse source
This commit is contained in:
Vadim Petrochenkov 2022-10-25 20:15:15 +04:00
parent 1cbc45942d
commit 7a5376d23c
71 changed files with 364 additions and 642 deletions
Download patch file Download diff file Expand all files Collapse all files

22
compiler/rustc_hir/src/def.rs
View file

@ -28,8 +28,6 @@ pub enum CtorKind {
Fn,
/// Constructor constant automatically created by a unit struct/variant.
Const,
/// Unusable name in value namespace created by a struct variant.
Fictive,
}
/// An attribute that is not a macro; e.g., `#[inline]` or `#[rustfmt::skip]`.
@ -132,13 +130,9 @@ impl DefKind {
DefKind::Variant => "variant",
DefKind::Ctor(CtorOf::Variant, CtorKind::Fn) => "tuple variant",
DefKind::Ctor(CtorOf::Variant, CtorKind::Const) => "unit variant",
DefKind::Ctor(CtorOf::Variant, CtorKind::Fictive) => "struct variant",
DefKind::Struct => "struct",
DefKind::Ctor(CtorOf::Struct, CtorKind::Fn) => "tuple struct",
DefKind::Ctor(CtorOf::Struct, CtorKind::Const) => "unit struct",
DefKind::Ctor(CtorOf::Struct, CtorKind::Fictive) => {
panic!("impossible struct constructor")
}
DefKind::OpaqueTy => "opaque type",
DefKind::ImplTraitPlaceholder => "opaque type in trait",
DefKind::TyAlias => "type alias",
@ -562,19 +556,11 @@ impl<T> PerNS<Option<T>> {
}
impl CtorKind {
pub fn from_ast(vdata: &ast::VariantData) -> CtorKind {
pub fn from_ast(vdata: &ast::VariantData) -> Option<(CtorKind, NodeId)> {
match *vdata {
ast::VariantData::Tuple(..) => CtorKind::Fn,
ast::VariantData::Unit(..) => CtorKind::Const,
ast::VariantData::Struct(..) => CtorKind::Fictive,
}
}
pub fn from_hir(vdata: &hir::VariantData<'_>) -> CtorKind {
match *vdata {
hir::VariantData::Tuple(..) => CtorKind::Fn,
hir::VariantData::Unit(..) => CtorKind::Const,
hir::VariantData::Struct(..) => CtorKind::Fictive,
ast::VariantData::Tuple(_, node_id) => Some((CtorKind::Fn, node_id)),
ast::VariantData::Unit(node_id) => Some((CtorKind::Const, node_id)),
ast::VariantData::Struct(..) => None,
}
}
}