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fix(parser): restore regex flag parsing (#2007)

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As discussed in
https://github.com/oxc-project/oxc/pull/1999#issuecomment-1888916383,
this PR restores some of regex parsing behavior to as it was prior to
#1926.
This commit is contained in:
overlookmotel 2024-01-12 19:19:33 +00:00 committed by GitHub
parent 1ecdeaa662
commit 712e99cf9b
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1 changed files with 3 additions and 3 deletions
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6
crates/oxc_parser/src/lexer/mod.rs
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@ -872,17 +872,17 @@ impl<'a> Lexer<'a> {
self.current.chars.next();
if !ch.is_ascii_lowercase() {
self.error(diagnostics::RegExpFlag(ch, self.current_offset()));
break;
continue;
}
let flag = if let Ok(flag) = RegExpFlags::try_from(ch) {
flag
} else {
self.error(diagnostics::RegExpFlag(ch, self.current_offset()));
break;
continue;
};
if flags.contains(flag) {
self.error(diagnostics::RegExpFlagTwice(ch, self.current_offset()));
break;
continue;
}
flags |= flag;
}