use rustc_span::symbol::{kw, sym, Symbol};
use rustc_span::Span;
-use crate::clean::{self, Attributes, AttributesExt, FakeDefId, GetDefId, ToSource};
+use crate::clean::{
+ self, Attributes, AttributesExt, FakeDefId, GetDefId, NestedAttributesExt, ToSource, Type,
+};
use crate::core::DocContext;
use crate::formats::item_type::ItemType;
if trait_.def_id() == tcx.lang_items().deref_trait() {
super::build_deref_target_impls(cx, &trait_items, ret);
}
+
+ // Return if the trait itself or any types of the generic parameters are doc(hidden).
+ let mut stack: Vec<&Type> = trait_.iter().collect();
+ stack.push(&for_);
+ while let Some(ty) = stack.pop() {
+ if let Some(did) = ty.def_id() {
+ if cx.tcx.get_attrs(did).lists(sym::doc).has_word(sym::hidden) {
+ return;
+ }
+ }
+ if let Some(generics) = ty.generics() {
+ stack.extend(generics);
+ }
+ }
+
if let Some(trait_did) = trait_.def_id() {
record_extern_trait(cx, trait_did);
}
fn filter_non_trait_generics(trait_did: DefId, mut g: clean::Generics) -> clean::Generics {
for pred in &mut g.where_predicates {
match *pred {
- clean::WherePredicate::BoundPredicate { ty: clean::Generic(ref s), ref mut bounds }
- if *s == kw::SelfUpper =>
- {
+ clean::WherePredicate::BoundPredicate {
+ ty: clean::Generic(ref s),
+ ref mut bounds,
+ ..
+ } if *s == kw::SelfUpper => {
bounds.retain(|bound| match *bound {
clean::GenericBound::TraitBound(
clean::PolyTrait { trait_: clean::ResolvedPath { did, .. }, .. },
..
},
ref bounds,
+ ..
} => !(bounds.is_empty() || *s == kw::SelfUpper && did == trait_did),
_ => true,
});
) -> (clean::Generics, Vec<clean::GenericBound>) {
let mut ty_bounds = Vec::new();
g.where_predicates.retain(|pred| match *pred {
- clean::WherePredicate::BoundPredicate { ty: clean::Generic(ref s), ref bounds }
+ clean::WherePredicate::BoundPredicate { ty: clean::Generic(ref s), ref bounds, .. }
if *s == kw::SelfUpper =>
{
ty_bounds.extend(bounds.iter().cloned());