The Tor Browser: js/src/yarr/YarrSyntaxChecker.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: set ts=8 sts=4 et sw=4 tw=99:

     3  *

     4  * Copyright (C) 2011 Apple Inc. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions

     8  * are met:

     9  * 1. Redistributions of source code must retain the above copyright

    10  *    notice, this list of conditions and the following disclaimer.

    11  * 2. Redistributions in binary form must reproduce the above copyright

    12  *    notice, this list of conditions and the following disclaimer in the

    13  *    documentation and/or other materials provided with the distribution.

    14  *

    15  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

    16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR

    19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    26  */

    28 #include "yarr/YarrSyntaxChecker.h"

    30 #include "yarr/YarrParser.h"

    32 namespace JSC { namespace Yarr {

    34 class SyntaxChecker {

    35 public:

    36     void assertionBOL() {}

    37     void assertionEOL() {}

    38     void assertionWordBoundary(bool) {}

    39     void atomPatternCharacter(UChar) {}

    40     void atomBuiltInCharacterClass(BuiltInCharacterClassID, bool) {}

    41     void atomCharacterClassBegin(bool = false) {}

    42     void atomCharacterClassAtom(UChar) {}

    43     void atomCharacterClassRange(UChar, UChar) {}

    44     void atomCharacterClassBuiltIn(BuiltInCharacterClassID, bool) {}

    45     void atomCharacterClassEnd() {}

    46     void atomParenthesesSubpatternBegin(bool = true) {}

    47     void atomParentheticalAssertionBegin(bool = false) {}

    48     void atomParenthesesEnd() {}

    49     void atomBackReference(unsigned) {}

    50     void quantifyAtom(unsigned, unsigned, bool) {}

    51     void disjunction() {}

    52 };

    54 ErrorCode checkSyntax(const String& pattern)

    55 {

    56     SyntaxChecker syntaxChecker;

    57     return parse(syntaxChecker, pattern);

    58 }

    60 }} // JSC::YARR

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