JavaScriptCore-1097.3.tar.gz

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

diff --git a/wtf/RefCounted.h b/wtf/RefCounted.h
deleted file mode 100644 (file)
index 12b670e..0000000
--- a/wtf/RefCounted.h
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2006, 2007, 2008, 2009, 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 RefCounted_h
-#define RefCounted_h
-
-#include "Assertions.h"
-#include "FastAllocBase.h"
-#include "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);
-        ASSERT(!m_adoptionIsRequired);
-        ++m_refCount;
-    }
-
-    bool hasOneRef() const
-    {
-        ASSERT(!m_deletionHasBegun);
-        return m_refCount == 1;
-    }
-
-    int refCount() const
-    {
-        return m_refCount;
-    }
-
-    void relaxAdoptionRequirement()
-    {
-#ifndef NDEBUG
-        ASSERT(!m_deletionHasBegun);
-        ASSERT(m_adoptionIsRequired);
-        m_adoptionIsRequired = false;
-#endif
-    }
-
-    // Helper for generating JIT code. Please do not use for non-JIT purposes.
-    const int* addressOfCount() const
-    {
-        return &m_refCount;
-    }
-
-protected:
-    RefCountedBase()
-        : m_refCount(1)
-#ifndef NDEBUG
-        , m_deletionHasBegun(false)
-        , m_adoptionIsRequired(true)
-#endif
-    {
-    }
-
-    ~RefCountedBase()
-    {
-        ASSERT(m_deletionHasBegun);
-        ASSERT(!m_adoptionIsRequired);
-    }
-
-    // Returns whether the pointer should be freed or not.
-    bool derefBase()
-    {
-        ASSERT(!m_deletionHasBegun);
-        ASSERT(!m_adoptionIsRequired);
-
-        ASSERT(m_refCount > 0);
-        if (m_refCount == 1) {
-#ifndef NDEBUG
-            m_deletionHasBegun = true;
-#endif
-            return true;
-        }
-
-        --m_refCount;
-        return false;
-    }
-
-#ifndef NDEBUG
-    bool deletionHasBegun() const
-    {
-        return m_deletionHasBegun;
-    }
-#endif
-
-private:
-    template<typename T> friend class CrossThreadRefCounted;
-
-#ifndef NDEBUG
-    friend void adopted(RefCountedBase*);
-#endif
-
-    int m_refCount;
-#ifndef NDEBUG
-    bool m_deletionHasBegun;
-    bool m_adoptionIsRequired;
-#endif
-};
-
-#ifndef NDEBUG
-
-inline void adopted(RefCountedBase* object)
-{
-    if (!object)
-        return;
-    ASSERT(!object->m_deletionHasBegun);
-    object->m_adoptionIsRequired = false;
-}
-
-#endif
-
-template<typename T> class RefCounted : public RefCountedBase {
-    WTF_MAKE_NONCOPYABLE(RefCounted); WTF_MAKE_FAST_ALLOCATED;
-public:
-    void deref()
-    {
-        if (derefBase())
-            delete static_cast<T*>(this);
-    }
-
-protected:
-    RefCounted() { }
-    ~RefCounted()
-    {
-    }
-};
-
-template<typename T> class RefCountedCustomAllocated : public RefCountedBase {
-    WTF_MAKE_NONCOPYABLE(RefCountedCustomAllocated);
-
-public:
-    void deref()
-    {
-        if (derefBase())
-            delete static_cast<T*>(this);
-    }
-
-protected:
-    ~RefCountedCustomAllocated()
-    {
-    }
-};
-
-} // namespace WTF
-
-using WTF::RefCounted;
-using WTF::RefCountedCustomAllocated;
-
-#endif // RefCounted_h