JavaScriptCore-621.1.tar.gz

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

diff --git a/wtf/PtrAndFlags.h b/wtf/PtrAndFlags.h
deleted file mode 100644 (file)
index 1e1bee0..0000000
--- a/wtf/PtrAndFlags.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2009 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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 PtrAndFlags_h
-#define PtrAndFlags_h
-
-#include <wtf/Assertions.h>
-
-namespace WTF {
-    template<class T, typename FlagEnum> class PtrAndFlagsBase {
-    public:
-        bool isFlagSet(FlagEnum flagNumber) const { ASSERT(flagNumber < 2); return m_ptrAndFlags & (1 << flagNumber); }
-        void setFlag(FlagEnum flagNumber) { ASSERT(flagNumber < 2); m_ptrAndFlags |= (1 << flagNumber);}
-        void clearFlag(FlagEnum flagNumber) { ASSERT(flagNumber < 2); m_ptrAndFlags &= ~(1 << flagNumber);}
-        T* get() const { return reinterpret_cast<T*>(m_ptrAndFlags & ~3); }
-        void set(T* ptr)
-        {
-            ASSERT(!(reinterpret_cast<intptr_t>(ptr) & 3));
-            m_ptrAndFlags = reinterpret_cast<intptr_t>(ptr) | (m_ptrAndFlags & 3);
-#ifndef NDEBUG
-            m_leaksPtr = ptr;
-#endif
-        }
-
-        bool operator!() const { return !get(); }
-        T* operator->() const { return reinterpret_cast<T*>(m_ptrAndFlags & ~3); }
-
-    protected:
-        intptr_t m_ptrAndFlags;
-#ifndef NDEBUG
-        void* m_leaksPtr; // Only used to allow tools like leaks on OSX to detect that the memory is referenced.
-#endif
-    };
-
-    template<class T, typename FlagEnum> class PtrAndFlags : public PtrAndFlagsBase<T, FlagEnum> {
-    public:
-        PtrAndFlags()
-        {
-            PtrAndFlagsBase<T, FlagEnum>::m_ptrAndFlags = 0;
-        }
-        PtrAndFlags(T* ptr)
-        {
-            PtrAndFlagsBase<T, FlagEnum>::m_ptrAndFlags = 0;
-            PtrAndFlagsBase<T, FlagEnum>::set(ptr);
-        }
-    };
-} // namespace WTF
-
-using WTF::PtrAndFlagsBase;
-using WTF::PtrAndFlags;
-
-#endif // PtrAndFlags_h