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rustdoc: Fix visibility of trait and impl items

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This commit is contained in:
Camelid 2021-01-22 15:02:49 -08:00
parent 22ddcd1a13
commit 93e51b185a
2 changed files with 51 additions and 2 deletions
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21
src/librustdoc/clean/mod.rs
View File

@ -1096,7 +1096,10 @@ fn clean(&self, cx: &DocContext<'_>) -> Item {
AssocTypeItem(bounds.clean(cx), default.clean(cx))
}
};
Item::from_def_id_and_parts(local_did, Some(self.ident.name), inner, cx)
let what_rustc_thinks =
Item::from_def_id_and_parts(local_did, Some(self.ident.name), inner, cx);
// Trait items always inherit the trait's visibility -- we don't want to show `pub`.
Item { visibility: Inherited, ..what_rustc_thinks }
})
}
}
@ -1131,7 +1134,21 @@ fn clean(&self, cx: &DocContext<'_>) -> Item {
)
}
};
Item::from_def_id_and_parts(local_did, Some(self.ident.name), inner, cx)
let what_rustc_thinks =
Item::from_def_id_and_parts(local_did, Some(self.ident.name), inner, cx);
let parent_item = cx.tcx.hir().expect_item(cx.tcx.hir().get_parent_item(self.hir_id));
if let hir::ItemKind::Impl(impl_) = &parent_item.kind {
if impl_.of_trait.is_some() {
// Trait impl items always inherit the impl's visibility --
// we don't want to show `pub`.
Item { visibility: Inherited, ..what_rustc_thinks }
} else {
what_rustc_thinks
}
} else {
panic!("found impl item with non-impl parent {:?}", parent_item);
}
})
}
}

32
src/test/rustdoc/visibility.rs
View File

@ -42,3 +42,35 @@ mod b {
struct FooBPriv;
}
}
// @has 'foo/trait.PubTrait.html' '//pre' 'pub trait PubTrait'
//
// @has 'foo/trait.PubTrait.html' '//pre' 'type Type;'
// @!has 'foo/trait.PubTrait.html' '//pre' 'pub type Type;'
//
// @has 'foo/trait.PubTrait.html' '//pre' 'const CONST: usize;'
// @!has 'foo/trait.PubTrait.html' '//pre' 'pub const CONST: usize;'
//
// @has 'foo/trait.PubTrait.html' '//pre' 'fn function();'
// @!has 'foo/trait.PubTrait.html' '//pre' 'pub fn function();'
pub trait PubTrait {
type Type;
const CONST: usize;
fn function();
}
// @has 'foo/struct.FooPublic.html' '//code' 'type Type'
// @!has 'foo/struct.FooPublic.html' '//code' 'pub type Type'
//
// @has 'foo/struct.FooPublic.html' '//code' 'const CONST: usize'
// @!has 'foo/struct.FooPublic.html' '//code' 'pub const CONST: usize'
//
// @has 'foo/struct.FooPublic.html' '//code' 'fn function()'
// @!has 'foo/struct.FooPublic.html' '//code' 'pub fn function()'
impl PubTrait for FooPublic {
type Type = usize;
const CONST: usize = 0;
fn function() {}
}