| 1 | /*
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| 2 | * Copyright (C) 1999-2000 Harri Porten ([email protected])
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| 3 | * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
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| 4 | * Copyright (C) 2009 Torch Mobile, Inc.
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU Lesser General Public
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| 8 | * License as published by the Free Software Foundation; either
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| 9 | * version 2 of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This library is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | * Lesser General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU Lesser General Public
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| 17 | * License along with this library; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 19 | *
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| 20 | */
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| 21 |
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| 22 | #ifndef RegExp_h
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| 23 | #define RegExp_h
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| 24 |
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| 25 | #include "UString.h"
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| 26 | #include "WREC.h"
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| 27 | #include "ExecutableAllocator.h"
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| 28 | #include <wtf/Forward.h>
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| 29 | #include <wtf/RefCounted.h>
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| 30 | #include "yarr/RegexJIT.h"
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| 31 | #include "yarr/RegexInterpreter.h"
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| 32 |
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| 33 | struct JSRegExp;
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| 34 |
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| 35 | namespace JSC {
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| 36 |
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| 37 | class JSGlobalData;
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| 38 |
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| 39 | class RegExp : public RefCounted<RegExp> {
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| 40 | public:
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| 41 | static PassRefPtr<RegExp> create(JSGlobalData* globalData, const UString& pattern);
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| 42 | static PassRefPtr<RegExp> create(JSGlobalData* globalData, const UString& pattern, const UString& flags);
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| 43 | #if !ENABLE(YARR)
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| 44 | ~RegExp();
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| 45 | #endif
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| 46 |
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| 47 | bool global() const { return m_flagBits & Global; }
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| 48 | bool ignoreCase() const { return m_flagBits & IgnoreCase; }
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| 49 | bool multiline() const { return m_flagBits & Multiline; }
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| 50 |
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| 51 | const UString& pattern() const { return m_pattern; }
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| 52 | const UString& flags() const { return m_flags; }
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| 53 |
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| 54 | bool isValid() const { return !m_constructionError; }
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| 55 | const char* errorMessage() const { return m_constructionError; }
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| 56 |
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| 57 | int match(const UString&, int startOffset, Vector<int, 32>* ovector = 0);
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| 58 | unsigned numSubpatterns() const { return m_numSubpatterns; }
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| 59 |
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| 60 | private:
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| 61 | RegExp(JSGlobalData* globalData, const UString& pattern);
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| 62 | RegExp(JSGlobalData* globalData, const UString& pattern, const UString& flags);
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| 63 |
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| 64 | void compile(JSGlobalData*);
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| 65 |
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| 66 | enum FlagBits { Global = 1, IgnoreCase = 2, Multiline = 4 };
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| 67 |
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| 68 | UString m_pattern; // FIXME: Just decompile m_regExp instead of storing this.
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| 69 | UString m_flags; // FIXME: Just decompile m_regExp instead of storing this.
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| 70 | int m_flagBits;
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| 71 | const char* m_constructionError;
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| 72 | unsigned m_numSubpatterns;
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| 73 |
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| 74 | #if ENABLE(YARR_JIT)
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| 75 | Yarr::RegexCodeBlock m_regExpJITCode;
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| 76 | #elif ENABLE(YARR)
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| 77 | OwnPtr<Yarr::BytecodePattern> m_regExpBytecode;
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| 78 | #else
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| 79 | #if ENABLE(WREC)
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| 80 | WREC::CompiledRegExp m_wrecFunction;
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| 81 | RefPtr<ExecutablePool> m_executablePool;
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| 82 | #endif
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| 83 | JSRegExp* m_regExp;
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| 84 | #endif
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| 85 | };
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| 86 |
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| 87 | } // namespace JSC
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| 88 |
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| 89 | #endif // RegExp_h
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