[apple/javascriptcore.git] / yarr / YarrSyntaxChecker.cpp

/*
 * Copyright (C) 2011 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"

namespace JSC { namespace Yarr {

class SyntaxChecker {
public:
    void assertionBOL() {}
    void assertionEOL() {}
    void assertionWordBoundary(bool) {}
    void atomPatternCharacter(UChar) {}
    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) {}
    void atomParentheticalAssertionBegin(bool = false) {}
    void atomParenthesesEnd() {}
    void atomBackReference(unsigned) {}
    void quantifyAtom(unsigned, unsigned, bool) {}
    void disjunction() {}
};

const char* checkSyntax(const String& pattern)
{
    SyntaxChecker syntaxChecker;
    return parse(syntaxChecker, pattern);
}

}} // JSC::YARR
Commit	Line	Data
ba379fdc	1	/*
14957cd0	2	* Copyright (C) 2011 Apple Inc. All rights reserved.
ba379fdc A	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
	14	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	15	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
	17	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	18	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	19	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	20	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	21	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	23	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
14957cd0 A	26	#include "config.h"
14957cd0 A	27	#include "YarrSyntaxChecker.h"
ba379fdc	28
14957cd0	29	#include "YarrParser.h"
ba379fdc A	30
	31	namespace JSC { namespace Yarr {
	32
14957cd0 A	33	class SyntaxChecker {
	34	public:
	35	void assertionBOL() {}
	36	void assertionEOL() {}
	37	void assertionWordBoundary(bool) {}
	38	void atomPatternCharacter(UChar) {}
	39	void atomBuiltInCharacterClass(BuiltInCharacterClassID, bool) {}
	40	void atomCharacterClassBegin(bool = false) {}
	41	void atomCharacterClassAtom(UChar) {}
	42	void atomCharacterClassRange(UChar, UChar) {}
	43	void atomCharacterClassBuiltIn(BuiltInCharacterClassID, bool) {}
	44	void atomCharacterClassEnd() {}
	45	void atomParenthesesSubpatternBegin(bool = true) {}
	46	void atomParentheticalAssertionBegin(bool = false) {}
	47	void atomParenthesesEnd() {}
	48	void atomBackReference(unsigned) {}
	49	void quantifyAtom(unsigned, unsigned, bool) {}
	50	void disjunction() {}
	51	};
	52
93a37866	53	const char* checkSyntax(const String& pattern)
14957cd0 A	54	{
	55	SyntaxChecker syntaxChecker;
	56	return parse(syntaxChecker, pattern);
	57	}
	58
	59	}} // JSC::YARR