diff options
Diffstat (limited to 'src/3rdparty/masm/yarr/YarrParser.h')
| -rw-r--r-- | src/3rdparty/masm/yarr/YarrParser.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/src/3rdparty/masm/yarr/YarrParser.h b/src/3rdparty/masm/yarr/YarrParser.h index edc6beb1f0..a18b553ef0 100644 --- a/src/3rdparty/masm/yarr/YarrParser.h +++ b/src/3rdparty/masm/yarr/YarrParser.h @@ -194,7 +194,9 @@ private: // invoked with inCharacterClass set. NO_RETURN_DUE_TO_ASSERT void assertionWordBoundary(bool) { RELEASE_ASSERT_NOT_REACHED(); } NO_RETURN_DUE_TO_ASSERT void atomBackReference(unsigned) { RELEASE_ASSERT_NOT_REACHED(); } - NO_RETURN_DUE_TO_ASSERT void atomNamedBackReference(String) { RELEASE_ASSERT_NOT_REACHED(); } + NO_RETURN_DUE_TO_ASSERT void atomNamedBackReference(const String&) { RELEASE_ASSERT_NOT_REACHED(); } + bool isValidNamedForwardReference(const String&) { RELEASE_ASSERT_NOT_REACHED(); return false; } + NO_RETURN_DUE_TO_ASSERT void atomNamedForwardReference(const String&) { RELEASE_ASSERT_NOT_REACHED(); } private: Delegate& m_delegate; @@ -421,9 +423,16 @@ private: if (!atEndOfPattern() && !inCharacterClass) { if (consume() == '<') { auto groupName = tryConsumeGroupName(); - if (groupName && m_captureGroupNames.contains(groupName.value())) { - delegate.atomNamedBackReference(groupName.value()); - break; + if (groupName) { + if (m_captureGroupNames.contains(groupName.value())) { + delegate.atomNamedBackReference(groupName.value()); + break; + } + + if (delegate.isValidNamedForwardReference(groupName.value())) { + delegate.atomNamedForwardReference(groupName.value()); + break; + } } if (m_isUnicode) { m_errorCode = ErrorCode::InvalidBackreference; @@ -1133,11 +1142,13 @@ private: * void atomCharacterClassRange(UChar32 begin, UChar32 end) * void atomCharacterClassBuiltIn(BuiltInCharacterClassID classID, bool invert) * void atomCharacterClassEnd() - * void atomParenthesesSubpatternBegin(bool capture = true, std::optional<String> groupName); + * void atomParenthesesSubpatternBegin(bool capture = true, Optional<String> groupName); * void atomParentheticalAssertionBegin(bool invert = false); * void atomParenthesesEnd(); * void atomBackReference(unsigned subpatternId); - * void atomNamedBackReference(String subpatternName); + * void atomNamedBackReference(const String& subpatternName); + * bool isValidNamedForwardReference(const String& subpatternName); + * void atomNamedForwardReference(const String& subpatternName); * * void quantifyAtom(unsigned min, unsigned max, bool greedy); * |