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LibRegex: Allow quantifiers after quantifiable assertions

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While quantifying assertions is very much meaningless, the specification
allows them with annex B's extended grammar for browsers, so read and
apply the quantifiers.
Fixes #12373.
This commit is contained in:
Ali Mohammad Pur 2022-02-19 17:18:23 +03:30 • committed by Andreas Kling
parent 6a1ae4c185
commit 627bbee055
2 changed files with 4 additions and 0 deletions
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3
Userland/Libraries/LibRegex/RegexParser.cpp
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@ -1083,6 +1083,9 @@ bool ECMA262Parser::parse_assertion(ByteCode& stack, [[maybe_unused]] size_t& ma
if (m_should_use_browser_extended_grammar) {
if (!unicode) {
if (parse_quantifiable_assertion(assertion_stack, match_length_minimum, named)) {
if (!parse_quantifier(assertion_stack, match_length_minimum, unicode, named))
return false;
stack.extend(move(assertion_stack));
return true;
}