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Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/RefCounted.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/RefCounted.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RefCounted.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RefCounted.h deleted file mode 100644 index 761a856..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RefCounted.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Copyright (C) 2006, 2007, 2008 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 RefCounted_h -#define RefCounted_h - -#include <wtf/Assertions.h> -#include <wtf/Noncopyable.h> - -namespace WTF { - -// This base class holds the non-template methods and attributes. -// The RefCounted class inherits from it reducing the template bloat -// generated by the compiler (technique called template hoisting). -class RefCountedBase { -public: - void ref() - { - ASSERT(!m_deletionHasBegun); - ++m_refCount; - } - - bool hasOneRef() const - { - ASSERT(!m_deletionHasBegun); - return m_refCount == 1; - } - - int refCount() const - { - return m_refCount; - } - -protected: - RefCountedBase() - : m_refCount(1) -#ifndef NDEBUG - , m_deletionHasBegun(false) -#endif - { - } - - ~RefCountedBase() - { - } - - // Returns whether the pointer should be freed or not. - bool derefBase() - { - ASSERT(!m_deletionHasBegun); - ASSERT(m_refCount > 0); - if (m_refCount == 1) { -#ifndef NDEBUG - m_deletionHasBegun = true; -#endif - return true; - } - - --m_refCount; - return false; - } - - // Helper for generating JIT code. Please do not use for non-JIT purposes. - int* addressOfCount() - { - return &m_refCount; - } - -#ifndef NDEBUG - bool deletionHasBegun() const - { - return m_deletionHasBegun; - } -#endif - -private: - template<class T> - friend class CrossThreadRefCounted; - - int m_refCount; -#ifndef NDEBUG - bool m_deletionHasBegun; -#endif -}; - - -template<class T> class RefCounted : public RefCountedBase, public Noncopyable { -public: - void deref() - { - if (derefBase()) - delete static_cast<T*>(this); - } - -protected: - ~RefCounted() - { - } -}; - -template<class T> class RefCountedCustomAllocated : public RefCountedBase, public NoncopyableCustomAllocated { -public: - void deref() - { - if (derefBase()) - delete static_cast<T*>(this); - } - -protected: - ~RefCountedCustomAllocated() - { - } -}; - -} // namespace WTF - -using WTF::RefCounted; -using WTF::RefCountedCustomAllocated; - -#endif // RefCounted_h |