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++ /*
++ * Copyright (C) 2011, 2016 Apple Inc. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
++ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
++ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
++ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
++ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
++ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
++ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
++ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
++ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
++
++ #include "config.h"
++ #include "YarrSyntaxChecker.h"
++
++ #include "YarrParser.h"
++ #include <wtf/Optional.h>
++ #include <wtf/text/WTFString.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, std::optional<String> = std::nullopt) {}
++ void atomParentheticalAssertionBegin(bool = false) {}
++ void atomParenthesesEnd() {}
++ void atomBackReference(unsigned) {}
++ void atomNamedBackReference(const String&) {}
++ bool isValidNamedForwardReference(const String&) { return true; }
++ void atomNamedForwardReference(const String&) {}
++ void quantifyAtom(unsigned, unsigned, bool) {}
++ void disjunction() {}
++ };
++
++ ErrorCode checkSyntax(const String& pattern, const String& flags)
++ {
++ SyntaxChecker syntaxChecker;
++ return parse(syntaxChecker, pattern, flags.contains(u'u'));
++ }
++
++ }} // JSC::Yarr