bjoernager/rust
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find and highlight the & or '_ in region_name

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This commit is contained in:
Niko Matsakis 2018-07-07 19:53:52 -04:00
parent 9fd3d7899a
commit a6adb1ebff
7 changed files with 300 additions and 22 deletions
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9
src/libsyntax/codemap.rs
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@ -689,6 +689,15 @@ impl CodeMap {
self.span_until_char(sp, '{')
}
/// Returns a new span representing just the start-point of this span
pub fn start_point(&self, sp: Span) -> Span {
let pos = sp.lo().0;
let width = self.find_width_of_character_at_span(sp, false);
let corrected_start_position = pos.checked_add(width).unwrap_or(pos);
let end_point = BytePos(cmp::max(corrected_start_position, sp.lo().0));
sp.with_hi(end_point)
}
/// Returns a new span representing just the end-point of this span
pub fn end_point(&self, sp: Span) -> Span {
let pos = sp.hi().0;