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Auto merge of #127127 - notriddle:notriddle/pulldown-cmark-0.11, r=GuillaumeGomez

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rustdoc: update to pulldown-cmark 0.11

r? rustdoc

This pull request updates rustdoc to the latest version of pulldown-cmark. Along with adding new markdown extensions (which this PR doesn't enable), the new pulldown-cmark version also fixes a large number of bugs. Because all text files successfully parse as markdown, these bugfixes change the output, which can break people's existing docs.

A crater run, https://github.com/rust-lang/rust/pull/121659, has already been run for this change.

The first commit upgrades and fixes rustdoc. The second commit adds a lint for the footnote and block quote parser changes, which break the largest numbers of docs in the Crater run. The strikethrough change was mitigated in pulldown-cmark itself.

Unblocks https://github.com/rust-lang/rust-clippy/pull/12876
This commit is contained in:
bors 2024-07-04 01:50:31 +00:00
commit 66b4f0021b
16 changed files with 385 additions and 94 deletions
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14
compiler/rustc_resolve/src/rustdoc.rs
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@ -1,4 +1,6 @@
use pulldown_cmark::{BrokenLink, CowStr, Event, LinkType, Options, Parser, Tag};
use pulldown_cmark::{
BrokenLink, BrokenLinkCallback, CowStr, Event, LinkType, Options, Parser, Tag,
};
use rustc_ast as ast;
use rustc_ast::util::comments::beautify_doc_string;
use rustc_data_structures::fx::FxHashMap;
@ -427,7 +429,9 @@ fn parse_links<'md>(doc: &'md str) -> Vec<Box<str>> {
while let Some(event) = event_iter.next() {
match event {
Event::Start(Tag::Link(link_type, dest, _)) if may_be_doc_link(link_type) => {
Event::Start(Tag::Link { link_type, dest_url, title: _, id: _ })
if may_be_doc_link(link_type) =>
{
if matches!(
link_type,
LinkType::Inline
@ -441,7 +445,7 @@ fn parse_links<'md>(doc: &'md str) -> Vec<Box<str>> {
}
}
links.push(preprocess_link(&dest));
links.push(preprocess_link(&dest_url));
}
_ => {}
}
@ -451,8 +455,8 @@ fn parse_links<'md>(doc: &'md str) -> Vec<Box<str>> {
}
/// Collects additional data of link.
fn collect_link_data<'input, 'callback>(
event_iter: &mut Parser<'input, 'callback>,
fn collect_link_data<'input, F: BrokenLinkCallback<'input>>(
event_iter: &mut Parser<'input, F>,
) -> Option<Box<str>> {
let mut display_text: Option<String> = None;
let mut append_text = |text: CowStr<'_>| {