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Rollup merge of #129560 - GuillaumeGomez:impl-assoc-type-source-link, r=notriddle

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[rustdoc] Generate source link on impl associated types

Currently, impl associated types are generated but don't get a source link. This PR fixes that.

Before:

![image](https://github.com/user-attachments/assets/3a22adb5-8b66-4124-9267-7c26eed1aa5e)

After:

![Screenshot from 2024-08-25 16-31-36](https://github.com/user-attachments/assets/6e9b35e7-4357-4ecf-8c49-1d8294051283)

r? `@notriddle`
This commit is contained in:
Matthias Krüger 2024-08-27 00:42:01 +02:00 committed by GitHub
commit 862b911551
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3 changed files with 29 additions and 1 deletions
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2
src/librustdoc/html/render/mod.rs
View File

@ -1730,6 +1730,7 @@ fn doc_impl_item(
let source_id = format!("{item_type}.{name}");
let id = cx.derive_id(&source_id);
write!(w, "<section id=\"{id}\" class=\"{item_type}{in_trait_class}\">");
render_rightside(w, cx, item, render_mode);
if trait_.is_some() {
// Anchors are only used on trait impls.
write!(w, "<a href=\"#{id}\" class=\"anchor\">§</a>");
@ -1751,6 +1752,7 @@ fn doc_impl_item(
let source_id = format!("{item_type}.{name}");
let id = cx.derive_id(&source_id);
write!(w, "<section id=\"{id}\" class=\"{item_type}{in_trait_class}\">");
render_rightside(w, cx, item, render_mode);
if trait_.is_some() {
// Anchors are only used on trait impls.
write!(w, "<a href=\"#{id}\" class=\"anchor\">§</a>");

2
tests/rustdoc/anchors.no_type_anchor2.html
View File

@ -1 +1 @@
<section id="associatedtype.Y" class="associatedtype"><h4 class="code-header">pub type <a href="#associatedtype.Y" class="associatedtype">Y</a> = <a class="primitive" href="{{channel}}/std/primitive.u32.html">u32</a></h4></section>
<section id="associatedtype.Y" class="associatedtype"><a class="src rightside" href="../src/foo/anchors.rs.html#45">source</a><h4 class="code-header">pub type <a href="#associatedtype.Y" class="associatedtype">Y</a> = <a class="primitive" href="{{channel}}/std/primitive.u32.html">u32</a></h4></section>

26
tests/rustdoc/assoc-type-source-link.rs Normal file
View File

@ -0,0 +1,26 @@
// This test ensures that the source links are generated for impl associated types.
#![crate_name = "foo"]
#![feature(inherent_associated_types)]
#![allow(incomplete_features)]
//@ has 'foo/struct.Bar.html'
pub struct Bar;
impl Bar {
//@ has - '//*[@id="implementations-list"]//*[@id="associatedtype.Y"]/a' 'source'
//@ has - '//*[@id="implementations-list"]//*[@id="associatedtype.Y"]/a/@href' \
// '../src/foo/assoc-type-source-link.rs.html#14'
pub type Y = u8;
}
pub trait Foo {
type Z;
}
impl Foo for Bar {
//@ has - '//*[@id="trait-implementations-list"]//*[@id="associatedtype.Z"]/a' 'source'
//@ has - '//*[@id="trait-implementations-list"]//*[@id="associatedtype.Z"]/a/@href' \
// '../src/foo/assoc-type-source-link.rs.html#25'
type Z = u8;
}