Index: Source/WTF/wtf/PassOwnPtr.h |
diff --git a/Source/WTF/wtf/PassOwnPtr.h b/Source/WTF/wtf/PassOwnPtr.h |
deleted file mode 100644 |
index 5ebf83d65aa1b206289008a44c9c5799c1380acc..0000000000000000000000000000000000000000 |
--- a/Source/WTF/wtf/PassOwnPtr.h |
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@@ -1,172 +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 <wtf/Assertions.h> |
-#include <wtf/NullPtr.h> |
-#include <wtf/OwnPtrCommon.h> |
-#include <wtf/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; |
- template<typename T> PassOwnPtr<T> adoptPtr(T*); |
- |
- template<typename T> class PassOwnPtr { |
- public: |
- typedef typename RemovePointer<T>::Type 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<typename U> PassOwnPtr(const PassOwnPtr<U>& 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<typename U> friend PassOwnPtr<U> 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<typename U> bool operator==(const PassOwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } |
- template<typename U> bool operator!=(const PassOwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } |
- template<typename U> bool operator==(const OwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } |
- template<typename U> bool operator!=(const OwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; } |
- |
- mutable PtrType m_ptr; |
- }; |
- |
- template<typename T> inline typename PassOwnPtr<T>::PtrType PassOwnPtr<T>::leakPtr() const |
- { |
- PtrType ptr = m_ptr; |
- m_ptr = 0; |
- return ptr; |
- } |
- |
- 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> inline PassOwnPtr<T> adoptPtr(T* ptr) |
- { |
- return PassOwnPtr<T>(ptr); |
- } |
- |
- template<typename T, typename U> inline PassOwnPtr<T> static_pointer_cast(const PassOwnPtr<U>& p) |
- { |
- return adoptPtr(static_cast<T*>(p.leakPtr())); |
- } |
- |
- template<typename T, typename U> inline PassOwnPtr<T> const_pointer_cast(const PassOwnPtr<U>& p) |
- { |
- return adoptPtr(const_cast<T*>(p.leakPtr())); |
- } |
- |
- template<typename T> inline T* getPtr(const PassOwnPtr<T>& p) |
- { |
- return p.get(); |
- } |
- |
-} // namespace WTF |
- |
-using WTF::PassOwnPtr; |
-using WTF::adoptPtr; |
-using WTF::const_pointer_cast; |
-using WTF::static_pointer_cast; |
- |
-#endif // WTF_PassOwnPtr_h |