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4 files changed

+76
-82
lines changed

4 files changed

+76
-82
lines changed

‎compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -880,7 +880,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> {
880880
(pair, r)
881881
})
882882
.unzip();
883-
self.record_late_bound_vars(hir_id, binders.clone());
883+
self.record_late_bound_vars(hir_id, binders);
884884
// Even if there are no lifetimes defined here, we still wrap it in a binder
885885
// scope. If there happens to be a nested poly trait ref (an error), that
886886
// will be `Concatenating` anyways, so we don't have to worry about the depth

‎compiler/rustc_mir_build/src/build/matches/mod.rs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -856,7 +856,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
856856
}
857857

858858
PatKind::InlineConstant { ref subpattern, .. } => {
859-
self.visit_primary_bindings(subpattern, pattern_user_ty.clone(), f)
859+
self.visit_primary_bindings(subpattern, pattern_user_ty, f)
860860
}
861861

862862
PatKind::Leaf { ref subpatterns } => {

‎src/librustdoc/html/markdown.rs‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1750,7 +1750,7 @@ pub(crate) fn markdown_links<'md, R>(
17501750
}
17511751
// do not actually include braces in the span
17521752
let range = (open_brace + 1)..close_brace;
1753-
MarkdownLinkRange::Destination(range.clone())
1753+
MarkdownLinkRange::Destination(range)
17541754
};
17551755

17561756
let span_for_offset_forward = |span: Range<usize>, open: u8, close: u8| {
@@ -1786,7 +1786,7 @@ pub(crate) fn markdown_links<'md, R>(
17861786
}
17871787
// do not actually include braces in the span
17881788
let range = (open_brace + 1)..close_brace;
1789-
MarkdownLinkRange::Destination(range.clone())
1789+
MarkdownLinkRange::Destination(range)
17901790
};
17911791

17921792
let mut broken_link_callback = |link: BrokenLink<'md>| Some((link.reference, "".into()));

‎src/librustdoc/passes/lint/html_tags.rs‎

Lines changed: 72 additions & 78 deletions
Original file line numberDiff line numberDiff line change
@@ -25,91 +25,85 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &Item) {
2525
Some(sp) => sp,
2626
None => item.attr_span(tcx),
2727
};
28-
tcx.struct_span_lint_hir(
29-
crate::lint::INVALID_HTML_TAGS,
30-
hir_id,
31-
sp,
32-
msg.to_string(),
33-
|lint| {
34-
use rustc_lint_defs::Applicability;
35-
// If a tag looks like `<this>`, it might actually be a generic.
36-
// We don't try to detect stuff `<like, this>` because that's not valid HTML,
37-
// and we don't try to detect stuff `<like this>` because that's not valid Rust.
38-
let mut generics_end = range.end;
39-
if let Some(Some(mut generics_start)) = (is_open_tag
40-
&& dox[..generics_end].ends_with('>'))
41-
.then(|| extract_path_backwards(&dox, range.start))
28+
tcx.struct_span_lint_hir(crate::lint::INVALID_HTML_TAGS, hir_id, sp, msg, |lint| {
29+
use rustc_lint_defs::Applicability;
30+
// If a tag looks like `<this>`, it might actually be a generic.
31+
// We don't try to detect stuff `<like, this>` because that's not valid HTML,
32+
// and we don't try to detect stuff `<like this>` because that's not valid Rust.
33+
let mut generics_end = range.end;
34+
if let Some(Some(mut generics_start)) = (is_open_tag
35+
&& dox[..generics_end].ends_with('>'))
36+
.then(|| extract_path_backwards(&dox, range.start))
37+
{
38+
while generics_start != 0
39+
&& generics_end < dox.len()
40+
&& dox.as_bytes()[generics_start - 1] == b'<'
41+
&& dox.as_bytes()[generics_end] == b'>'
4242
{
43-
while generics_start != 0
44-
&& generics_end < dox.len()
45-
&& dox.as_bytes()[generics_start - 1] == b'<'
46-
&& dox.as_bytes()[generics_end] == b'>'
47-
{
48-
generics_end += 1;
49-
generics_start -= 1;
50-
if let Some(new_start) = extract_path_backwards(&dox, generics_start) {
51-
generics_start = new_start;
52-
}
53-
if let Some(new_end) = extract_path_forward(&dox, generics_end) {
54-
generics_end = new_end;
55-
}
43+
generics_end += 1;
44+
generics_start -= 1;
45+
if let Some(new_start) = extract_path_backwards(&dox, generics_start) {
46+
generics_start = new_start;
5647
}
5748
if let Some(new_end) = extract_path_forward(&dox, generics_end) {
5849
generics_end = new_end;
5950
}
60-
let generics_sp = match source_span_for_markdown_range(
61-
tcx,
62-
&dox,
63-
&(generics_start..generics_end),
64-
&item.attrs.doc_strings,
65-
) {
66-
Some(sp) => sp,
67-
None => item.attr_span(tcx),
68-
};
69-
// Sometimes, we only extract part of a path. For example, consider this:
70-
//
71-
// <[u32] as IntoIter<u32>>::Item
72-
// ^^^^^ unclosed HTML tag `u32`
73-
//
74-
// We don't have any code for parsing fully-qualified trait paths.
75-
// In theory, we could add it, but doing it correctly would require
76-
// parsing the entire path grammar, which is problematic because of
77-
// overlap between the path grammar and Markdown.
78-
//
79-
// The example above shows that ambiguity. Is `[u32]` intended to be an
80-
// intra-doc link to the u32 primitive, or is it intended to be a slice?
81-
//
82-
// If the below conditional were removed, we would suggest this, which is
83-
// not what the user probably wants.
84-
//
85-
// <[u32] as `IntoIter<u32>`>::Item
86-
//
87-
// We know that the user actually wants to wrap the whole thing in a code
88-
// block, but the only reason we know that is because `u32` does not, in
89-
// fact, implement IntoIter. If the example looks like this:
90-
//
91-
// <[Vec<i32>] as IntoIter<i32>::Item
92-
//
93-
// The ideal fix would be significantly different.
94-
if (generics_start > 0 && dox.as_bytes()[generics_start - 1] == b'<')
95-
|| (generics_end < dox.len() && dox.as_bytes()[generics_end] == b'>')
96-
{
97-
return lint;
98-
}
99-
// multipart form is chosen here because ``Vec<i32>`` would be confusing.
100-
lint.multipart_suggestion(
101-
"try marking as source code",
102-
vec![
103-
(generics_sp.shrink_to_lo(), String::from("`")),
104-
(generics_sp.shrink_to_hi(), String::from("`")),
105-
],
106-
Applicability::MaybeIncorrect,
107-
);
10851
}
52+
if let Some(new_end) = extract_path_forward(&dox, generics_end) {
53+
generics_end = new_end;
54+
}
55+
let generics_sp = match source_span_for_markdown_range(
56+
tcx,
57+
&dox,
58+
&(generics_start..generics_end),
59+
&item.attrs.doc_strings,
60+
) {
61+
Some(sp) => sp,
62+
None => item.attr_span(tcx),
63+
};
64+
// Sometimes, we only extract part of a path. For example, consider this:
65+
//
66+
// <[u32] as IntoIter<u32>>::Item
67+
// ^^^^^ unclosed HTML tag `u32`
68+
//
69+
// We don't have any code for parsing fully-qualified trait paths.
70+
// In theory, we could add it, but doing it correctly would require
71+
// parsing the entire path grammar, which is problematic because of
72+
// overlap between the path grammar and Markdown.
73+
//
74+
// The example above shows that ambiguity. Is `[u32]` intended to be an
75+
// intra-doc link to the u32 primitive, or is it intended to be a slice?
76+
//
77+
// If the below conditional were removed, we would suggest this, which is
78+
// not what the user probably wants.
79+
//
80+
// <[u32] as `IntoIter<u32>`>::Item
81+
//
82+
// We know that the user actually wants to wrap the whole thing in a code
83+
// block, but the only reason we know that is because `u32` does not, in
84+
// fact, implement IntoIter. If the example looks like this:
85+
//
86+
// <[Vec<i32>] as IntoIter<i32>::Item
87+
//
88+
// The ideal fix would be significantly different.
89+
if (generics_start > 0 && dox.as_bytes()[generics_start - 1] == b'<')
90+
|| (generics_end < dox.len() && dox.as_bytes()[generics_end] == b'>')
91+
{
92+
return lint;
93+
}
94+
// multipart form is chosen here because ``Vec<i32>`` would be confusing.
95+
lint.multipart_suggestion(
96+
"try marking as source code",
97+
vec![
98+
(generics_sp.shrink_to_lo(), String::from("`")),
99+
(generics_sp.shrink_to_hi(), String::from("`")),
100+
],
101+
Applicability::MaybeIncorrect,
102+
);
103+
}
109104

110-
lint
111-
},
112-
);
105+
lint
106+
});
113107
};
114108

115109
let mut tags = Vec::new();

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