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Diffstat (limited to 'JavaScriptCore/wrec/Escapes.h')
-rw-r--r-- | JavaScriptCore/wrec/Escapes.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/JavaScriptCore/wrec/Escapes.h b/JavaScriptCore/wrec/Escapes.h deleted file mode 100644 index 16c1d6f..0000000 --- a/JavaScriptCore/wrec/Escapes.h +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Copyright (C) 2008 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. - */ - -#ifndef Escapes_h -#define Escapes_h - -#include <wtf/Platform.h> - -#if ENABLE(WREC) - -#include <wtf/Assertions.h> - -namespace JSC { namespace WREC { - - class CharacterClass; - - class Escape { - public: - enum Type { - PatternCharacter, - CharacterClass, - Backreference, - WordBoundaryAssertion, - Error, - }; - - Escape(Type type) - : m_type(type) - { - } - - Type type() const { return m_type; } - - private: - Type m_type; - - protected: - // Used by subclasses to store data. - union { - int i; - const WREC::CharacterClass* c; - } m_u; - bool m_invert; - }; - - class PatternCharacterEscape : public Escape { - public: - static const PatternCharacterEscape& cast(const Escape& escape) - { - ASSERT(escape.type() == PatternCharacter); - return static_cast<const PatternCharacterEscape&>(escape); - } - - PatternCharacterEscape(int character) - : Escape(PatternCharacter) - { - m_u.i = character; - } - - operator Escape() const { return *this; } - - int character() const { return m_u.i; } - }; - - class CharacterClassEscape : public Escape { - public: - static const CharacterClassEscape& cast(const Escape& escape) - { - ASSERT(escape.type() == CharacterClass); - return static_cast<const CharacterClassEscape&>(escape); - } - - CharacterClassEscape(const WREC::CharacterClass& characterClass, bool invert) - : Escape(CharacterClass) - { - m_u.c = &characterClass; - m_invert = invert; - } - - operator Escape() { return *this; } - - const WREC::CharacterClass& characterClass() const { return *m_u.c; } - bool invert() const { return m_invert; } - }; - - class BackreferenceEscape : public Escape { - public: - static const BackreferenceEscape& cast(const Escape& escape) - { - ASSERT(escape.type() == Backreference); - return static_cast<const BackreferenceEscape&>(escape); - } - - BackreferenceEscape(int subpatternId) - : Escape(Backreference) - { - m_u.i = subpatternId; - } - - operator Escape() const { return *this; } - - int subpatternId() const { return m_u.i; } - }; - - class WordBoundaryAssertionEscape : public Escape { - public: - static const WordBoundaryAssertionEscape& cast(const Escape& escape) - { - ASSERT(escape.type() == WordBoundaryAssertion); - return static_cast<const WordBoundaryAssertionEscape&>(escape); - } - - WordBoundaryAssertionEscape(bool invert) - : Escape(WordBoundaryAssertion) - { - m_invert = invert; - } - - operator Escape() const { return *this; } - - bool invert() const { return m_invert; } - }; - -} } // namespace JSC::WREC - -#endif // ENABLE(WREC) - -#endif // Escapes_h |