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hir: Do not introduce dummy type names for extern blocks in def paths

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Use a separate nameless `DefPathData` variant instead
This commit is contained in:
Vadim Petrochenkov 2021-12-17 16:45:15 +08:00
parent dde825db46
commit 0d61852cc5
8 changed files with 36 additions and 31 deletions
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7
compiler/rustc_hir/src/definitions.rs
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@ -267,6 +267,8 @@ pub enum DefPathData {
// Different kinds of items and item-like things:
/// An impl.
Impl,
/// An `extern` block.
ForeignMod,
/// Something in the type namespace.
TypeNs(Symbol),
/// Something in the value namespace.
@ -469,7 +471,9 @@ impl DefPathData {
match *self {
TypeNs(name) | ValueNs(name) | MacroNs(name) | LifetimeNs(name) => Some(name),
Impl | CrateRoot | Misc | ClosureExpr | Ctor | AnonConst | ImplTrait => None,
Impl | ForeignMod | CrateRoot | Misc | ClosureExpr | Ctor | AnonConst | ImplTrait => {
None
}
}
}
@ -482,6 +486,7 @@ impl DefPathData {
// Note that this does not show up in user print-outs.
CrateRoot => DefPathDataName::Anon { namespace: kw::Crate },
Impl => DefPathDataName::Anon { namespace: kw::Impl },
ForeignMod => DefPathDataName::Anon { namespace: kw::Extern },
Misc => DefPathDataName::Anon { namespace: sym::misc },
ClosureExpr => DefPathDataName::Anon { namespace: sym::closure },
Ctor => DefPathDataName::Anon { namespace: sym::constructor },