diff options
Diffstat (limited to 'compiler/rustc_errors/src/emitter.rs')
| -rw-r--r-- | compiler/rustc_errors/src/emitter.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 1b6c6edcc61..9595790d574 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -3048,11 +3048,15 @@ impl FileWithAnnotatedLines { // working correctly. let middle = min(ann.line_start + 4, ann.line_end); // We'll show up to 4 lines past the beginning of the multispan start. - // We will *not* include the tail of lines that are only whitespace. + // We will *not* include the tail of lines that are only whitespace, a comment or + // a bare delimiter. let until = (ann.line_start..middle) .rev() .filter_map(|line| file.get_line(line - 1).map(|s| (line + 1, s))) - .find(|(_, s)| !s.trim().is_empty()) + .find(|(_, s)| { + let s = s.trim(); + !["", "{", "}", "(", ")", "[", "]"].contains(&s) && !s.starts_with("//") + }) .map(|(line, _)| line) .unwrap_or(ann.line_start); for line in ann.line_start + 1..until { |