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Fix suggestion for attempting to define a string with single quotes

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beetrees 2023-05-17 02:54:13 +01:00
parent ce01f4d2e0
commit 072d8c8bbc
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4 changed files with 22 additions and 15 deletions
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22
compiler/rustc_parse/src/lexer/unescape_error_reporting.rs
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@ -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 {