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Diffstat (limited to 'src/3rdparty/masm/yarr/Yarr.h')
-rw-r--r-- | src/3rdparty/masm/yarr/Yarr.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/3rdparty/masm/yarr/Yarr.h b/src/3rdparty/masm/yarr/Yarr.h new file mode 100644 index 0000000000..d393e9fa90 --- /dev/null +++ b/src/3rdparty/masm/yarr/Yarr.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2009 Apple Inc. All rights reserved. + * Copyright (C) 2010 Peter Varga (pvarga@inf.u-szeged.hu), University of Szeged + * 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 UNIVERSITY OF SZEGED ``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 UNIVERSITY OF SZEGED 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. + */ + +#ifndef Yarr_h +#define Yarr_h + +#include "YarrInterpreter.h" +#include "YarrPattern.h" + +namespace JSC { namespace Yarr { + +#define YarrStackSpaceForBackTrackInfoPatternCharacter 1 // Only for !fixed quantifiers. +#define YarrStackSpaceForBackTrackInfoCharacterClass 1 // Only for !fixed quantifiers. +#define YarrStackSpaceForBackTrackInfoBackReference 2 +#define YarrStackSpaceForBackTrackInfoAlternative 1 // One per alternative. +#define YarrStackSpaceForBackTrackInfoParentheticalAssertion 1 +#define YarrStackSpaceForBackTrackInfoParenthesesOnce 1 // Only for !fixed quantifiers. +#define YarrStackSpaceForBackTrackInfoParenthesesTerminal 1 +#define YarrStackSpaceForBackTrackInfoParentheses 2 + +static const unsigned quantifyInfinite = UINT_MAX; +static const unsigned offsetNoMatch = (unsigned)-1; + +// The below limit restricts the number of "recursive" match calls in order to +// avoid spending exponential time on complex regular expressions. +static const unsigned matchLimit = 1000000; + +enum JSRegExpResult { + JSRegExpMatch = 1, + JSRegExpNoMatch = 0, + JSRegExpErrorNoMatch = -1, + JSRegExpErrorHitLimit = -2, + JSRegExpErrorNoMemory = -3, + JSRegExpErrorInternal = -4 +}; + +enum YarrCharSize { + Char8, + Char16 +}; + +} } // namespace JSC::Yarr + +#endif // Yarr_h + |