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Fix unicode slicing bug

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This commit is contained in:
Michael Howell 2022-02-01 23:06:13 -07:00
parent c9907ad853
commit 0db9e40670
1 changed files with 3 additions and 3 deletions
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6
src/librustdoc/passes/html_tags.rs
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@ -74,7 +74,7 @@ fn extract_path_backwards(text: &str, end_pos: usize) -> Option<usize> {
use rustc_lexer::{is_id_continue, is_id_start};
let mut current_pos = end_pos;
loop {
if current_pos >= 2 && &text[current_pos - 2..current_pos] == "::" {
if current_pos >= 2 && text[..current_pos].ends_with("::") {
current_pos -= 2;
}
let new_pos = text[..current_pos]
@ -217,9 +217,9 @@ impl<'a, 'tcx> DocVisitor for InvalidHtmlTagsLinter<'a, 'tcx> {
let mut diag = lint.build(msg);
// If a tag looks like `<this>`, it might actually be a generic.
// We don't try to detect stuff `<like, this>` because that's not valid HTML,
// and we don' try to detect stuff `<like this>` because that's not valid Rust.
// and we don't try to detect stuff `<like this>` because that's not valid Rust.
if let Some(Some(generics_start)) = (is_open_tag
&& &dox[range.end - 1..range.end] == ">")
&& dox[..range.end].ends_with(">"))
.then(|| extract_path_backwards(&dox, range.start))
{
let generics_sp = match super::source_span_for_markdown_range(