JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / wtf / ListRefPtr.h

diff --git a/wtf/ListRefPtr.h b/wtf/ListRefPtr.h
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--- a/wtf/ListRefPtr.h
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-/*
- *  Copyright (C) 2005, 2006, 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 WTF_ListRefPtr_h
-#define WTF_ListRefPtr_h
-
-#include <wtf/RefPtr.h>
-
-namespace WTF {
-
-    // Specialized version of RefPtr desgined for use in singly-linked lists. 
-    // Derefs the list iteratively to avoid recursive derefing that can overflow the stack.
-    template <typename T> class ListRefPtr : public RefPtr<T> {
-    public:
-        ListRefPtr() : RefPtr<T>() {}
-        ListRefPtr(T* ptr) : RefPtr<T>(ptr) {}
-        ListRefPtr(const RefPtr<T>& o) : RefPtr<T>(o) {}
-        // see comment in PassRefPtr.h for why this takes const reference
-        template <typename U> ListRefPtr(const PassRefPtr<U>& o) : RefPtr<T>(o) {}
-        
-        ~ListRefPtr();
-        
-        ListRefPtr& operator=(T* optr) { RefPtr<T>::operator=(optr); return *this; }
-        ListRefPtr& operator=(const RefPtr<T>& o) { RefPtr<T>::operator=(o); return *this; }
-        ListRefPtr& operator=(const PassRefPtr<T>& o) { RefPtr<T>::operator=(o); return *this; }
-        template <typename U> ListRefPtr& operator=(const RefPtr<U>& o) { RefPtr<T>::operator=(o); return *this; }
-        template <typename U> ListRefPtr& operator=(const PassRefPtr<U>& o) { RefPtr<T>::operator=(o); return *this; }
-    };
-
-    // Remove inline for winscw compiler to prevent the compiler agressively resolving
-    // T::ref() in RefPtr<T>'s copy constructor.  The bug is reported at:
-    // https://xdabug001.ext.nokia.com/bugzilla/show_bug.cgi?id=9812.
-    template <typename T> 
-#if !COMPILER(WINSCW)
-    inline
-#endif
-    ListRefPtr<T>::~ListRefPtr()
-    {
-        RefPtr<T> reaper = this->release();
-        while (reaper && reaper->hasOneRef())
-            reaper = reaper->releaseNext(); // implicitly protects reaper->next, then derefs reaper
-    }
-
-    template <typename T> inline T* getPtr(const ListRefPtr<T>& p)
-    {
-        return p.get();
-    }
-
-} // namespace WTF
-
-using WTF::ListRefPtr;
-
-#endif // WTF_ListRefPtr_h