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Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/PassOwnPtr.h')
| -rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/PassOwnPtr.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/PassOwnPtr.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/PassOwnPtr.h deleted file mode 100644 index ae70457..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/PassOwnPtr.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2009 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 WTF_PassOwnPtr_h -#define WTF_PassOwnPtr_h - -#include "Assertions.h" -#include "OwnPtrCommon.h" -#include "TypeTraits.h" - -namespace WTF { - - // Unlike most of our smart pointers, PassOwnPtr can take either the pointer type or the pointed-to type. - - template <typename T> class OwnPtr; - - template <typename T> class PassOwnPtr { - public: - typedef typename RemovePointer<T>::Type ValueType; - typedef ValueType* PtrType; - - PassOwnPtr(PtrType ptr = 0) : m_ptr(ptr) { } - // It somewhat breaks the type system to allow transfer of ownership out of - // a const PassOwnPtr. However, it makes it much easier to work with PassOwnPtr - // temporaries, and we don't really have a need to use real const PassOwnPtrs - // anyway. - PassOwnPtr(const PassOwnPtr& o) : m_ptr(o.release()) { } - template <typename U> PassOwnPtr(const PassOwnPtr<U>& o) : m_ptr(o.release()) { } - - ~PassOwnPtr() { deleteOwnedPtr(m_ptr); } - - PtrType get() const { return m_ptr; } - - void clear() { m_ptr = 0; } - PtrType release() const { PtrType ptr = m_ptr; m_ptr = 0; return ptr; } - - ValueType& operator*() const { ASSERT(m_ptr); return *m_ptr; } - PtrType operator->() const { ASSERT(m_ptr); return m_ptr; } - - bool operator!() const { return !m_ptr; } - - // This conversion operator allows implicit conversion to bool but not to other integer types. - typedef PtrType PassOwnPtr::*UnspecifiedBoolType; - operator UnspecifiedBoolType() const { return m_ptr ? &PassOwnPtr::m_ptr : 0; } - - PassOwnPtr& operator=(T*); - PassOwnPtr& operator=(const PassOwnPtr<T>&); - template <typename U> PassOwnPtr& operator=(const PassOwnPtr<U>&); - - private: - mutable PtrType m_ptr; - }; - - template <typename T> inline PassOwnPtr<T>& PassOwnPtr<T>::operator=(T* optr) - { - T* ptr = m_ptr; - m_ptr = optr; - ASSERT(!ptr || m_ptr != ptr); - if (ptr) - deleteOwnedPtr(ptr); - return *this; - } - - template <typename T> inline PassOwnPtr<T>& PassOwnPtr<T>::operator=(const PassOwnPtr<T>& optr) - { - T* ptr = m_ptr; - m_ptr = optr.release(); - ASSERT(!ptr || m_ptr != ptr); - if (ptr) - deleteOwnedPtr(ptr); - return *this; - } - - template <typename T> template <typename U> inline PassOwnPtr<T>& PassOwnPtr<T>::operator=(const PassOwnPtr<U>& optr) - { - T* ptr = m_ptr; - m_ptr = optr.release(); - ASSERT(!ptr || m_ptr != ptr); - if (ptr) - deleteOwnedPtr(ptr); - return *this; - } - - template <typename T, typename U> inline bool operator==(const PassOwnPtr<T>& a, const PassOwnPtr<U>& b) - { - return a.get() == b.get(); - } - - template <typename T, typename U> inline bool operator==(const PassOwnPtr<T>& a, const OwnPtr<U>& b) - { - return a.get() == b.get(); - } - - template <typename T, typename U> inline bool operator==(const OwnPtr<T>& a, const PassOwnPtr<U>& b) - { - return a.get() == b.get(); - } - - template <typename T, typename U> inline bool operator==(const PassOwnPtr<T>& a, U* b) - { - return a.get() == b; - } - - template <typename T, typename U> inline bool operator==(T* a, const PassOwnPtr<U>& b) - { - return a == b.get(); - } - - template <typename T, typename U> inline bool operator!=(const PassOwnPtr<T>& a, const PassOwnPtr<U>& b) - { - return a.get() != b.get(); - } - - template <typename T, typename U> inline bool operator!=(const PassOwnPtr<T>& a, const OwnPtr<U>& b) - { - return a.get() != b.get(); - } - - template <typename T, typename U> inline bool operator!=(const OwnPtr<T>& a, const PassOwnPtr<U>& b) - { - return a.get() != b.get(); - } - - template <typename T, typename U> inline bool operator!=(const PassOwnPtr<T>& a, U* b) - { - return a.get() != b; - } - - template <typename T, typename U> inline bool operator!=(T* a, const PassOwnPtr<U>& b) - { - return a != b.get(); - } - - template <typename T, typename U> inline PassOwnPtr<T> static_pointer_cast(const PassOwnPtr<U>& p) - { - return PassOwnPtr<T>(static_cast<T*>(p.release())); - } - - template <typename T, typename U> inline PassOwnPtr<T> const_pointer_cast(const PassOwnPtr<U>& p) - { - return PassOwnPtr<T>(const_cast<T*>(p.release())); - } - - template <typename T> inline T* getPtr(const PassOwnPtr<T>& p) - { - return p.get(); - } - -} // namespace WTF - -using WTF::PassOwnPtr; -using WTF::const_pointer_cast; -using WTF::static_pointer_cast; - -#endif // WTF_PassOwnPtr_h |