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Use Freeze for SourceFile.lines

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This commit is contained in:
John Kåre Alsaker 2023-08-31 22:12:47 +02:00
parent 953901e35c
commit 0f74faf158
2 changed files with 39 additions and 47 deletions
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84
clippy_lints/src/undocumented_unsafe_blocks.rs
View File

@ -507,20 +507,18 @@ fn item_has_safety_comment(cx: &LateContext<'_>, item: &hir::Item<'_>) -> HasSaf
&& Lrc::ptr_eq(&unsafe_line.sf, &comment_start_line.sf)
&& let Some(src) = unsafe_line.sf.src.as_deref()
{
return unsafe_line.sf.lines(|lines| {
if comment_start_line.line >= unsafe_line.line {
HasSafetyComment::No
} else {
match text_has_safety_comment(
src,
&lines[comment_start_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
) {
Some(b) => HasSafetyComment::Yes(b),
None => HasSafetyComment::No,
}
return if comment_start_line.line >= unsafe_line.line {
HasSafetyComment::No
} else {
match text_has_safety_comment(
src,
&unsafe_line.sf.lines()[comment_start_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
) {
Some(b) => HasSafetyComment::Yes(b),
None => HasSafetyComment::No,
}
});
};
}
}
HasSafetyComment::Maybe
@ -551,20 +549,18 @@ fn stmt_has_safety_comment(cx: &LateContext<'_>, span: Span, hir_id: HirId) -> H
&& Lrc::ptr_eq(&unsafe_line.sf, &comment_start_line.sf)
&& let Some(src) = unsafe_line.sf.src.as_deref()
{
return unsafe_line.sf.lines(|lines| {
if comment_start_line.line >= unsafe_line.line {
HasSafetyComment::No
} else {
match text_has_safety_comment(
src,
&lines[comment_start_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
) {
Some(b) => HasSafetyComment::Yes(b),
None => HasSafetyComment::No,
}
return if comment_start_line.line >= unsafe_line.line {
HasSafetyComment::No
} else {
match text_has_safety_comment(
src,
&unsafe_line.sf.lines()[comment_start_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
) {
Some(b) => HasSafetyComment::Yes(b),
None => HasSafetyComment::No,
}
});
};
}
}
HasSafetyComment::Maybe
@ -614,20 +610,18 @@ fn span_from_macro_expansion_has_safety_comment(cx: &LateContext<'_>, span: Span
&& Lrc::ptr_eq(&unsafe_line.sf, &macro_line.sf)
&& let Some(src) = unsafe_line.sf.src.as_deref()
{
unsafe_line.sf.lines(|lines| {
if macro_line.line < unsafe_line.line {
match text_has_safety_comment(
src,
&lines[macro_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
) {
Some(b) => HasSafetyComment::Yes(b),
None => HasSafetyComment::No,
}
} else {
HasSafetyComment::No
if macro_line.line < unsafe_line.line {
match text_has_safety_comment(
src,
&unsafe_line.sf.lines()[macro_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
) {
Some(b) => HasSafetyComment::Yes(b),
None => HasSafetyComment::No,
}
})
} else {
HasSafetyComment::No
}
} else {
// Problem getting source text. Pretend a comment was found.
HasSafetyComment::Maybe
@ -671,13 +665,11 @@ fn span_in_body_has_safety_comment(cx: &LateContext<'_>, span: Span) -> bool {
// Get the text from the start of function body to the unsafe block.
// fn foo() { some_stuff; unsafe { stuff }; other_stuff; }
// ^-------------^
unsafe_line.sf.lines(|lines| {
body_line.line < unsafe_line.line && text_has_safety_comment(
src,
&lines[body_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
).is_some()
})
body_line.line < unsafe_line.line && text_has_safety_comment(
src,
&unsafe_line.sf.lines()[body_line.line + 1..=unsafe_line.line],
unsafe_line.sf.start_pos,
).is_some()
} else {
// Problem getting source text. Pretend a comment was found.
true

2
clippy_utils/src/source.rs
View File

@ -118,7 +118,7 @@ fn first_char_in_first_line<T: LintContext>(cx: &T, span: Span) -> Option<BytePo
fn line_span<T: LintContext>(cx: &T, span: Span) -> Span {
let span = original_sp(span, DUMMY_SP);
let SourceFileAndLine { sf, line } = cx.sess().source_map().lookup_line(span.lo()).unwrap();
let line_start = sf.lines(|lines| lines[line]);
let line_start = sf.lines()[line];
let line_start = sf.absolute_position(line_start);
span.with_lo(line_start)
}