YarrSyntaxChecker.cpp [plain text]
#include "config.h"
#include "YarrSyntaxChecker.h"
#include "YarrFlags.h"
#include "YarrParser.h"
#include <wtf/Optional.h>
namespace JSC { namespace Yarr {
class SyntaxChecker {
public:
void assertionBOL() {}
void assertionEOL() {}
void assertionWordBoundary(bool) {}
void atomPatternCharacter(UChar32) {}
void atomBuiltInCharacterClass(BuiltInCharacterClassID, bool) {}
void atomCharacterClassBegin(bool = false) {}
void atomCharacterClassAtom(UChar) {}
void atomCharacterClassRange(UChar, UChar) {}
void atomCharacterClassBuiltIn(BuiltInCharacterClassID, bool) {}
void atomCharacterClassEnd() {}
void atomParenthesesSubpatternBegin(bool = true, Optional<String> = WTF::nullopt) {}
void atomParentheticalAssertionBegin(bool = false) {}
void atomParenthesesEnd() {}
void atomBackReference(unsigned) {}
void atomNamedBackReference(const String&) {}
void atomNamedForwardReference(const String&) {}
void quantifyAtom(unsigned, unsigned, bool) {}
void disjunction() {}
void resetForReparsing() {}
};
ErrorCode checkSyntax(const String& pattern, const String& flags)
{
SyntaxChecker syntaxChecker;
auto parsedFlags = parseFlags(flags);
if (!parsedFlags)
return ErrorCode::InvalidRegularExpressionFlags;
return parse(syntaxChecker, pattern, parsedFlags->contains(Flags::Unicode));
}
}}