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Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/PtrAndFlags.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/PtrAndFlags.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/PtrAndFlags.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/PtrAndFlags.h deleted file mode 100644 index 1e1bee0..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/PtrAndFlags.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (C) 2009 Google 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: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 THE COPYRIGHT - * OWNER 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 PtrAndFlags_h -#define PtrAndFlags_h - -#include <wtf/Assertions.h> - -namespace WTF { - template<class T, typename FlagEnum> class PtrAndFlagsBase { - public: - bool isFlagSet(FlagEnum flagNumber) const { ASSERT(flagNumber < 2); return m_ptrAndFlags & (1 << flagNumber); } - void setFlag(FlagEnum flagNumber) { ASSERT(flagNumber < 2); m_ptrAndFlags |= (1 << flagNumber);} - void clearFlag(FlagEnum flagNumber) { ASSERT(flagNumber < 2); m_ptrAndFlags &= ~(1 << flagNumber);} - T* get() const { return reinterpret_cast<T*>(m_ptrAndFlags & ~3); } - void set(T* ptr) - { - ASSERT(!(reinterpret_cast<intptr_t>(ptr) & 3)); - m_ptrAndFlags = reinterpret_cast<intptr_t>(ptr) | (m_ptrAndFlags & 3); -#ifndef NDEBUG - m_leaksPtr = ptr; -#endif - } - - bool operator!() const { return !get(); } - T* operator->() const { return reinterpret_cast<T*>(m_ptrAndFlags & ~3); } - - protected: - intptr_t m_ptrAndFlags; -#ifndef NDEBUG - void* m_leaksPtr; // Only used to allow tools like leaks on OSX to detect that the memory is referenced. -#endif - }; - - template<class T, typename FlagEnum> class PtrAndFlags : public PtrAndFlagsBase<T, FlagEnum> { - public: - PtrAndFlags() - { - PtrAndFlagsBase<T, FlagEnum>::m_ptrAndFlags = 0; - } - PtrAndFlags(T* ptr) - { - PtrAndFlagsBase<T, FlagEnum>::m_ptrAndFlags = 0; - PtrAndFlagsBase<T, FlagEnum>::set(ptr); - } - }; -} // namespace WTF - -using WTF::PtrAndFlagsBase; -using WTF::PtrAndFlags; - -#endif // PtrAndFlags_h |