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Diffstat (limited to 'JavaScriptCore/wtf/OwnArrayPtr.h')
-rw-r--r-- | JavaScriptCore/wtf/OwnArrayPtr.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/JavaScriptCore/wtf/OwnArrayPtr.h b/JavaScriptCore/wtf/OwnArrayPtr.h deleted file mode 100644 index 643b90b..0000000 --- a/JavaScriptCore/wtf/OwnArrayPtr.h +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (C) 2006, 2010 Apple Inc. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#ifndef WTF_OwnArrayPtr_h -#define WTF_OwnArrayPtr_h - -#include "Assertions.h" -#include "Noncopyable.h" -#include "NullPtr.h" -#include "OwnArrayPtrCommon.h" -#include <algorithm> - -// Remove this once we make all WebKit code compatible with stricter rules about OwnArrayPtr. -#define LOOSE_OWN_ARRAY_PTR - -namespace WTF { - -template<typename T> class PassOwnArrayPtr; -template<typename T> PassOwnArrayPtr<T> adoptArrayPtr(T*); - -template <typename T> class OwnArrayPtr : public Noncopyable { -public: - typedef T* PtrType; - - OwnArrayPtr() : m_ptr(0) { } - - // See comment in PassOwnArrayPtr.h for why this takes a const reference. - template<typename U> OwnArrayPtr(const PassOwnArrayPtr<U>& o); - - // This copy constructor is used implicitly by gcc when it generates - // transients for assigning a PassOwnArrayPtr<T> object to a stack-allocated - // OwnArrayPtr<T> object. It should never be called explicitly and gcc - // should optimize away the constructor when generating code. - OwnArrayPtr(const OwnArrayPtr<T>&); - - ~OwnArrayPtr() { deleteOwnedArrayPtr(m_ptr); } - - PtrType get() const { return m_ptr; } - - void clear(); - PassOwnArrayPtr<T> release(); - PtrType leakPtr() WARN_UNUSED_RETURN; - - T& operator*() const { ASSERT(m_ptr); return *m_ptr; } - PtrType operator->() const { ASSERT(m_ptr); return m_ptr; } - - T& operator[](std::ptrdiff_t i) const { ASSERT(m_ptr); ASSERT(i >= 0); return m_ptr[i]; } - - bool operator!() const { return !m_ptr; } - - // This conversion operator allows implicit conversion to bool but not to other integer types. -#if COMPILER(WINSCW) - operator bool() const { return m_ptr; } -#else - typedef T* OwnArrayPtr::*UnspecifiedBoolType; - operator UnspecifiedBoolType() const { return m_ptr ? &OwnArrayPtr::m_ptr : 0; } -#endif - - OwnArrayPtr& operator=(const PassOwnArrayPtr<T>&); - OwnArrayPtr& operator=(std::nullptr_t) { clear(); return *this; } - template<typename U> OwnArrayPtr& operator=(const PassOwnArrayPtr<U>&); - - void swap(OwnArrayPtr& o) { std::swap(m_ptr, o.m_ptr); } - -#ifdef LOOSE_OWN_ARRAY_PTR - explicit OwnArrayPtr(PtrType ptr) : m_ptr(ptr) { } - void set(PtrType); -#endif - -private: - PtrType m_ptr; -}; - -template<typename T> template<typename U> inline OwnArrayPtr<T>::OwnArrayPtr(const PassOwnArrayPtr<U>& o) - : m_ptr(o.leakPtr()) -{ -} - -template<typename T> inline void OwnArrayPtr<T>::clear() -{ - PtrType ptr = m_ptr; - m_ptr = 0; - deleteOwnedArrayPtr(ptr); -} - -template<typename T> inline PassOwnArrayPtr<T> OwnArrayPtr<T>::release() -{ - PtrType ptr = m_ptr; - m_ptr = 0; - return adoptArrayPtr(ptr); -} - -template<typename T> inline typename OwnArrayPtr<T>::PtrType OwnArrayPtr<T>::leakPtr() -{ - PtrType ptr = m_ptr; - m_ptr = 0; - return ptr; -} - -#ifdef LOOSE_OWN_ARRAY_PTR -template<typename T> inline void OwnArrayPtr<T>::set(PtrType ptr) -{ - ASSERT(!ptr || m_ptr != ptr); - PtrType oldPtr = m_ptr; - m_ptr = ptr; - deleteOwnedPtr(oldPtr); -} -#endif - -template<typename T> inline OwnArrayPtr<T>& OwnArrayPtr<T>::operator=(const PassOwnArrayPtr<T>& o) -{ - PtrType ptr = m_ptr; - m_ptr = o.leakPtr(); - ASSERT(!ptr || m_ptr != ptr); - deleteOwnedArrayPtr(ptr); - return *this; -} - -template<typename T> template<typename U> inline OwnArrayPtr<T>& OwnArrayPtr<T>::operator=(const PassOwnArrayPtr<U>& o) -{ - PtrType ptr = m_ptr; - m_ptr = o.leakPtr(); - ASSERT(!ptr || m_ptr != ptr); - deleteOwnedArrayPtr(ptr); - return *this; -} - -template <typename T> inline void swap(OwnArrayPtr<T>& a, OwnArrayPtr<T>& b) -{ - a.swap(b); -} - -template<typename T, typename U> inline bool operator==(const OwnArrayPtr<T>& a, U* b) -{ - return a.get() == b; -} - -template<typename T, typename U> inline bool operator==(T* a, const OwnArrayPtr<U>& b) -{ - return a == b.get(); -} - -template<typename T, typename U> inline bool operator!=(const OwnArrayPtr<T>& a, U* b) -{ - return a.get() != b; -} - -template<typename T, typename U> inline bool operator!=(T* a, const OwnArrayPtr<U>& b) -{ - return a != b.get(); -} - -template <typename T> inline T* getPtr(const OwnArrayPtr<T>& p) -{ - return p.get(); -} - -} // namespace WTF - -using WTF::OwnArrayPtr; - -#endif // WTF_OwnArrayPtr_h |