diff options
Diffstat (limited to 'compiler/rustc_parse/src/lexer')
| -rw-r--r-- | compiler/rustc_parse/src/lexer/mod.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/lexer/unescape_error_reporting.rs | 22 |
2 files changed, 8 insertions, 15 deletions
diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index 1931ee5e528..a375a1d69cd 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -74,7 +74,6 @@ pub(crate) fn parse_token_trees<'a>( // because the delimiter mismatch is more likely to be the root cause of error let mut buffer = Vec::with_capacity(1); - // Not using `emit_unclosed_delims` to use `db.buffer` for unmatched in unmatched_delims { if let Some(err) = make_unclosed_delims_error(unmatched, &sess) { err.buffer(&mut buffer); diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs index 446472d1294..b659c40b233 100644 --- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs +++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs @@ -80,20 +80,14 @@ pub(crate) fn emit_unescape_error( let sugg = sugg.unwrap_or_else(|| { let prefix = mode.prefix_noraw(); let mut escaped = String::with_capacity(lit.len()); - let mut chrs = lit.chars().peekable(); - while let Some(first) = chrs.next() { - match (first, chrs.peek()) { - ('\\', Some('"')) => { - escaped.push('\\'); - escaped.push('"'); - chrs.next(); - } - ('"', _) => { - escaped.push('\\'); - escaped.push('"') - } - (c, _) => escaped.push(c), - }; + let mut in_escape = false; + for c in lit.chars() { + match c { + '\\' => in_escape = !in_escape, + '"' if !in_escape => escaped.push('\\'), + _ => in_escape = false, + } + escaped.push(c); } let sugg = format!("{prefix}\"{escaped}\""); MoreThanOneCharSugg::Quotes { |