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rustc_public: lower UnsafeBinder and CoroutineClosure types to SMIR #588

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rustc_public: lower UnsafeBinder and CoroutineClosure types to SMIR #588

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15 changes: 12 additions & 3 deletions compiler/rustc_public/src/unstable/convert/stable/ty.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -465,8 +465,12 @@ impl<'tcx> Stable<'tcx> for ty::TyKind<'tcx> {
ty::FnPtr(sig_tys, hdr) => {
TyKind::RigidTy(RigidTy::FnPtr(sig_tys.with(*hdr).stable(tables, cx)))
}
// FIXME(unsafe_binders):
ty::UnsafeBinder(_) => todo!(),
// Represent unsafe binders by their inner type with regions erased,
// matching other ty queries; full binder structure is not in RigidTy yet.
ty::UnsafeBinder(bound_ty) => {
let inner = cx.tcx.instantiate_bound_regions_with_erased((*bound_ty).into());
inner.stable(tables, cx)
}
ty::Dynamic(existential_predicates, region) => TyKind::RigidTy(RigidTy::Dynamic(
existential_predicates
.iter()
Expand All @@ -478,7 +482,12 @@ impl<'tcx> Stable<'tcx> for ty::TyKind<'tcx> {
tables.closure_def(*def_id),
generic_args.stable(tables, cx),
)),
ty::CoroutineClosure(..) => todo!("FIXME(async_closures): Lower these to SMIR"),
ty::CoroutineClosure(def_id, generic_args) => {
TyKind::RigidTy(RigidTy::CoroutineClosure(
tables.coroutine_closure_def(*def_id),
generic_args.stable(tables, cx),
))
}
ty::Coroutine(def_id, generic_args) => TyKind::RigidTy(RigidTy::Coroutine(
tables.coroutine_def(*def_id),
generic_args.stable(tables, cx),
Expand Down