bjoernager/rust
bjoernager/rust
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initial revert

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This commit is contained in:
Ellen 2022-01-12 03:19:52 +00:00
parent b0ec3e09a9
commit 71bbb603f4
127 changed files with 540 additions and 1050 deletions
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74
compiler/rustc_middle/src/ty/structural_impls.rs
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@ -184,8 +184,8 @@ impl<'tcx> fmt::Debug for ty::PredicateKind<'tcx> {
ty::PredicateKind::ClosureKind(closure_def_id, closure_substs, kind) => {
write!(f, "ClosureKind({:?}, {:?}, {:?})", closure_def_id, closure_substs, kind)
}
ty::PredicateKind::ConstEvaluatable(uv) => {
write!(f, "ConstEvaluatable({:?}, {:?})", uv.def, uv.substs_)
ty::PredicateKind::ConstEvaluatable(def_id, substs) => {
write!(f, "ConstEvaluatable({:?}, {:?})", def_id, substs)
}
ty::PredicateKind::ConstEquate(c1, c2) => write!(f, "ConstEquate({:?}, {:?})", c1, c2),
ty::PredicateKind::TypeWellFormedFromEnv(ty) => {
@ -445,8 +445,8 @@ impl<'a, 'tcx> Lift<'tcx> for ty::PredicateKind<'a> {
ty::PredicateKind::ObjectSafe(trait_def_id) => {
Some(ty::PredicateKind::ObjectSafe(trait_def_id))
}
ty::PredicateKind::ConstEvaluatable(uv) => {
tcx.lift(uv).map(|uv| ty::PredicateKind::ConstEvaluatable(uv))
ty::PredicateKind::ConstEvaluatable(def_id, substs) => {
tcx.lift(substs).map(|substs| ty::PredicateKind::ConstEvaluatable(def_id, substs))
}
ty::PredicateKind::ConstEquate(c1, c2) => {
tcx.lift((c1, c2)).map(|(c1, c2)| ty::PredicateKind::ConstEquate(c1, c2))
@ -1185,7 +1185,13 @@ impl<'tcx> TypeFoldable<'tcx> for ty::ConstKind<'tcx> {
Ok(match self {
ty::ConstKind::Infer(ic) => ty::ConstKind::Infer(ic.try_fold_with(folder)?),
ty::ConstKind::Param(p) => ty::ConstKind::Param(p.try_fold_with(folder)?),
ty::ConstKind::Unevaluated(uv) => ty::ConstKind::Unevaluated(uv.try_fold_with(folder)?),
ty::ConstKind::Unevaluated(ty::Unevaluated { def, substs, promoted }) => {
ty::ConstKind::Unevaluated(ty::Unevaluated {
def,
substs: substs.try_fold_with(folder)?,
promoted,
})
}
ty::ConstKind::Value(_)
| ty::ConstKind::Bound(..)
| ty::ConstKind::Placeholder(..)
@ -1197,7 +1203,7 @@ impl<'tcx> TypeFoldable<'tcx> for ty::ConstKind<'tcx> {
match *self {
ty::ConstKind::Infer(ic) => ic.visit_with(visitor),
ty::ConstKind::Param(p) => p.visit_with(visitor),
ty::ConstKind::Unevaluated(uv) => uv.visit_with(visitor),
ty::ConstKind::Unevaluated(ct) => ct.substs.visit_with(visitor),
ty::ConstKind::Value(_)
| ty::ConstKind::Bound(..)
| ty::ConstKind::Placeholder(_)
@ -1218,59 +1224,3 @@ impl<'tcx> TypeFoldable<'tcx> for InferConst<'tcx> {
ControlFlow::CONTINUE
}
}
impl<'tcx> TypeFoldable<'tcx> for ty::Unevaluated<'tcx> {
fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>(
self,
folder: &mut F,
) -> Result<Self, F::Error> {
Ok(ty::Unevaluated {
def: self.def,
substs_: Some(self.substs(folder.tcx()).try_fold_with(folder)?),
promoted: self.promoted,
})
}
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
visitor.visit_unevaluated_const(*self)
}
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
if let Some(tcx) = visitor.tcx_for_anon_const_substs() {
self.substs(tcx).visit_with(visitor)
} else if let Some(substs) = self.substs_ {
substs.visit_with(visitor)
} else {
debug!("ignoring default substs of `{:?}`", self.def);
ControlFlow::CONTINUE
}
}
}
impl<'tcx> TypeFoldable<'tcx> for ty::Unevaluated<'tcx, ()> {
fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>(
self,
folder: &mut F,
) -> Result<Self, F::Error> {
Ok(ty::Unevaluated {
def: self.def,
substs_: Some(self.substs(folder.tcx()).try_fold_with(folder)?),
promoted: self.promoted,
})
}
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
visitor.visit_unevaluated_const(self.expand())
}
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
if let Some(tcx) = visitor.tcx_for_anon_const_substs() {
self.substs(tcx).visit_with(visitor)
} else if let Some(substs) = self.substs_ {
substs.visit_with(visitor)
} else {
debug!("ignoring default substs of `{:?}`", self.def);
ControlFlow::CONTINUE
}
}
}