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remove Clean trait implementation for ty::Predicate

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This commit is contained in:
Guillaume Gomez 2022-08-07 00:36:23 +02:00
parent 61c0b12d17
commit a238d1284e
2 changed files with 23 additions and 22 deletions
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2
src/librustdoc/clean/auto_trait.rs
View file

@ -474,7 +474,7 @@ where
let mut ty_to_fn: FxHashMap<Type, (Option<PolyTrait>, Option<Type>)> = Default::default();
for p in clean_where_predicates {
let (orig_p, p) = (p, p.clean(self.cx));
let (orig_p, p) = (p, clean_predicate(p, self.cx));
if p.is_none() {
continue;
}

43
src/librustdoc/clean/mod.rs
View file

@ -307,26 +307,27 @@ fn clean_where_predicate<'tcx>(
})
}
impl<'tcx> Clean<'tcx, Option<WherePredicate>> for ty::Predicate<'tcx> {
fn clean(&self, cx: &mut DocContext<'tcx>) -> Option<WherePredicate> {
let bound_predicate = self.kind();
match bound_predicate.skip_binder() {
ty::PredicateKind::Trait(pred) => {
clean_poly_trait_predicate(bound_predicate.rebind(pred), cx)
}
ty::PredicateKind::RegionOutlives(pred) => clean_region_outlives_predicate(pred),
ty::PredicateKind::TypeOutlives(pred) => clean_type_outlives_predicate(pred, cx),
ty::PredicateKind::Projection(pred) => Some(clean_projection_predicate(pred, cx)),
ty::PredicateKind::ConstEvaluatable(..) => None,
ty::PredicateKind::WellFormed(..) => None,
ty::PredicateKind::Subtype(..)
| ty::PredicateKind::Coerce(..)
| ty::PredicateKind::ObjectSafe(..)
| ty::PredicateKind::ClosureKind(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::TypeWellFormedFromEnv(..) => panic!("not user writable"),
pub(crate) fn clean_predicate<'tcx>(
predicate: ty::Predicate<'tcx>,
cx: &mut DocContext<'tcx>,
) -> Option<WherePredicate> {
let bound_predicate = predicate.kind();
match bound_predicate.skip_binder() {
ty::PredicateKind::Trait(pred) => {
clean_poly_trait_predicate(bound_predicate.rebind(pred), cx)
}
ty::PredicateKind::RegionOutlives(pred) => clean_region_outlives_predicate(pred),
ty::PredicateKind::TypeOutlives(pred) => clean_type_outlives_predicate(pred, cx),
ty::PredicateKind::Projection(pred) => Some(clean_projection_predicate(pred, cx)),
ty::PredicateKind::ConstEvaluatable(..) => None,
ty::PredicateKind::WellFormed(..) => None,
ty::PredicateKind::Subtype(..)
| ty::PredicateKind::Coerce(..)
| ty::PredicateKind::ObjectSafe(..)
| ty::PredicateKind::ClosureKind(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::TypeWellFormedFromEnv(..) => panic!("not user writable"),
}
}
@ -707,7 +708,7 @@ fn clean_ty_generics<'tcx>(
if let Some(param_idx) = param_idx {
if let Some(b) = impl_trait.get_mut(&param_idx.into()) {
let p: WherePredicate = p.clean(cx)?;
let p: WherePredicate = clean_predicate(*p, cx)?;
b.extend(
p.get_bounds()
@ -764,7 +765,7 @@ fn clean_ty_generics<'tcx>(
// Now that `cx.impl_trait_bounds` is populated, we can process
// remaining predicates which could contain `impl Trait`.
let mut where_predicates =
where_predicates.into_iter().flat_map(|p| p.clean(cx)).collect::<Vec<_>>();
where_predicates.into_iter().flat_map(|p| clean_predicate(*p, cx)).collect::<Vec<_>>();
// Type parameters have a Sized bound by default unless removed with
// ?Sized. Scan through the predicates and mark any type parameter with