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split out AliasTy -> AliasTerm

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This commit is contained in:
Michael Goulet
2024-05-13 10:00:38 -04:00
parent ecbe3fd550
commit 3bcdf3058e
70 changed files with 715 additions and 414 deletions
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16
compiler/rustc_middle/src/ty/mod.rs
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@@ -110,11 +110,11 @@ pub use self::region::{
};
pub use self::rvalue_scopes::RvalueScopes;
pub use self::sty::{
AliasTy, Article, Binder, BoundTy, BoundTyKind, BoundVariableKind, CanonicalPolyFnSig,
ClosureArgs, ClosureArgsParts, CoroutineArgs, CoroutineArgsParts, CoroutineClosureArgs,
CoroutineClosureArgsParts, CoroutineClosureSignature, FnSig, GenSig, InlineConstArgs,
InlineConstArgsParts, ParamConst, ParamTy, PolyFnSig, TyKind, TypeAndMut, UpvarArgs,
VarianceDiagInfo,
AliasTerm, AliasTy, Article, Binder, BoundTy, BoundTyKind, BoundVariableKind,
CanonicalPolyFnSig, ClosureArgs, ClosureArgsParts, CoroutineArgs, CoroutineArgsParts,
CoroutineClosureArgs, CoroutineClosureArgsParts, CoroutineClosureSignature, FnSig, GenSig,
InlineConstArgs, InlineConstArgsParts, ParamConst, ParamTy, PolyFnSig, TyKind, TypeAndMut,
UpvarArgs, VarianceDiagInfo,
};
pub use self::trait_def::TraitDef;
pub use self::typeck_results::{
@@ -630,14 +630,14 @@ impl<'tcx> Term<'tcx> {
}
/// This function returns the inner `AliasTy` for a `ty::Alias` or `ConstKind::Unevaluated`.
pub fn to_alias_ty(&self, tcx: TyCtxt<'tcx>) -> Option<AliasTy<'tcx>> {
pub fn to_alias_term(self) -> Option<AliasTerm<'tcx>> {
match self.unpack() {
TermKind::Ty(ty) => match *ty.kind() {
ty::Alias(_kind, alias_ty) => Some(alias_ty),
ty::Alias(_kind, alias_ty) => Some(alias_ty.into()),
_ => None,
},
TermKind::Const(ct) => match ct.kind() {
ConstKind::Unevaluated(uv) => Some(AliasTy::new(tcx, uv.def, uv.args)),
ConstKind::Unevaluated(uv) => Some(uv.into()),
_ => None,
},
}