From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Tue, 27 Jun 2017 06:07:23 +0000 Subject: webkitgtk-2.16.5 --- Source/WTF/wtf/PassOwnPtr.h | 170 -------------------------------------------- 1 file changed, 170 deletions(-) delete mode 100644 Source/WTF/wtf/PassOwnPtr.h (limited to 'Source/WTF/wtf/PassOwnPtr.h') diff --git a/Source/WTF/wtf/PassOwnPtr.h b/Source/WTF/wtf/PassOwnPtr.h deleted file mode 100644 index 2c1f9d452..000000000 --- a/Source/WTF/wtf/PassOwnPtr.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright (C) 2009, 2010 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 -#include -#include -#include - -namespace WTF { - - template class OwnPtr; - template class PassOwnPtr; - template PassOwnPtr adoptPtr(T*); - - class RefCountedBase; - class ThreadSafeRefCountedBase; - - template class PassOwnPtr { - public: - typedef T ValueType; - typedef ValueType* PtrType; - - PassOwnPtr() : m_ptr(0) { } - PassOwnPtr(std::nullptr_t) : m_ptr(0) { } - - // 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 have a need to use real const PassOwnPtrs anyway. - PassOwnPtr(const PassOwnPtr& o) : m_ptr(o.leakPtr()) { } - template PassOwnPtr(const PassOwnPtr& o) : m_ptr(o.leakPtr()) { } - - ~PassOwnPtr() { deleteOwnedPtr(m_ptr); } - - PtrType get() const { return m_ptr; } - - PtrType leakPtr() const WARN_UNUSED_RETURN; - - 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=(const PassOwnPtr&) { COMPILE_ASSERT(!sizeof(T*), PassOwnPtr_should_never_be_assigned_to); return *this; } - - template friend PassOwnPtr adoptPtr(U*); - - private: - explicit PassOwnPtr(PtrType ptr) : m_ptr(ptr) { } - - // We should never have two OwnPtrs for the same underlying object (otherwise we'll get - // double-destruction), so these equality operators should never be needed. - template bool operator==(const PassOwnPtr&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } - template bool operator!=(const PassOwnPtr&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } - template bool operator==(const OwnPtr&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } - template bool operator!=(const OwnPtr&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } - - mutable PtrType m_ptr; - }; - - template inline typename PassOwnPtr::PtrType PassOwnPtr::leakPtr() const - { - PtrType ptr = m_ptr; - m_ptr = 0; - return ptr; - } - - template inline bool operator==(const PassOwnPtr& a, const PassOwnPtr& b) - { - return a.get() == b.get(); - } - - template inline bool operator==(const PassOwnPtr& a, const OwnPtr& b) - { - return a.get() == b.get(); - } - - template inline bool operator==(const OwnPtr& a, const PassOwnPtr& b) - { - return a.get() == b.get(); - } - - template inline bool operator==(const PassOwnPtr& a, U* b) - { - return a.get() == b; - } - - template inline bool operator==(T* a, const PassOwnPtr& b) - { - return a == b.get(); - } - - template inline bool operator!=(const PassOwnPtr& a, const PassOwnPtr& b) - { - return a.get() != b.get(); - } - - template inline bool operator!=(const PassOwnPtr& a, const OwnPtr& b) - { - return a.get() != b.get(); - } - - template inline bool operator!=(const OwnPtr& a, const PassOwnPtr& b) - { - return a.get() != b.get(); - } - - template inline bool operator!=(const PassOwnPtr& a, U* b) - { - return a.get() != b; - } - - template inline bool operator!=(T* a, const PassOwnPtr& b) - { - return a != b.get(); - } - - template inline PassOwnPtr adoptPtr(T* ptr) - { - static_assert(!std::is_convertible::value, "Do not use adoptPtr with RefCounted, use adoptRef!"); - static_assert(!std::is_convertible::value, "Do not use adoptPtr with ThreadSafeRefCounted, use adoptRef!"); - - return PassOwnPtr(ptr); - } - - template inline PassOwnPtr static_pointer_cast(const PassOwnPtr& p) - { - return adoptPtr(static_cast(p.leakPtr())); - } - - template inline T* getPtr(const PassOwnPtr& p) - { - return p.get(); - } - -} // namespace WTF - -using WTF::PassOwnPtr; -using WTF::adoptPtr; -using WTF::static_pointer_cast; - -#endif // WTF_PassOwnPtr_h -- cgit v1.2.1