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rustdoc: Cleanup broken link callbacks

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This commit is contained in:
Vadim Petrochenkov 2023-02-18 14:10:38 +04:00
parent 34ba77d260
commit ccdb598d1b
3 changed files with 43 additions and 58 deletions
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23
compiler/rustc_resolve/src/rustdoc.rs
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@ -5,7 +5,6 @@ use rustc_data_structures::fx::FxHashMap;
use rustc_span::def_id::DefId;
use rustc_span::symbol::{kw, Symbol};
use rustc_span::Span;
use std::cell::RefCell;
use std::{cmp, mem};
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
@ -354,16 +353,14 @@ pub(crate) fn attrs_to_preprocessed_links(attrs: &[ast::Attribute]) -> Vec<Strin
let (doc_fragments, _) = attrs_to_doc_fragments(attrs.iter().map(|attr| (attr, None)), true);
let doc = prepare_to_doc_link_resolution(&doc_fragments).into_values().next().unwrap();
let links = RefCell::new(Vec::new());
let mut callback = |link: BrokenLink<'_>| {
links.borrow_mut().push(preprocess_link(&link.reference));
None
};
for event in Parser::new_with_broken_link_callback(&doc, main_body_opts(), Some(&mut callback))
{
if let Event::Start(Tag::Link(_, dest, _)) = event {
links.borrow_mut().push(preprocess_link(&dest));
}
}
links.into_inner()
Parser::new_with_broken_link_callback(
&doc,
main_body_opts(),
Some(&mut |link: BrokenLink<'_>| Some((link.reference, "".into()))),
)
.filter_map(|event| match event {
Event::Start(Tag::Link(_, dest, _)) => Some(preprocess_link(&dest)),
_ => None,
})
.collect()
}