1 files changed, 0 insertions, 116 deletions
diff --git a/JavaScriptCore/runtime/GCHandle.h b/JavaScriptCore/runtime/GCHandle.h
deleted file mode 100644
index 8818f79..0000000
--- a/JavaScriptCore/runtime/GCHandle.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (C) 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. AND ITS 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 APPLE INC. OR ITS 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 GCHandle_h
-#define GCHandle_h
-
-#include <wtf/Assertions.h>
-
-namespace JSC {
-
-class Heap;
-class JSCell;
-class WeakGCHandle;
-class WeakGCHandlePool;
-
-class WeakGCHandle {
-    friend class WeakGCHandlePool;
-
-public:
-    // Because JSCell objects are aligned, we can use the lower two bits as
-    // status flags. The least significant bit is set when the handle is not a
-    // pointer, i.e. when it's used as a offset for the free list in
-    // WeakGCHandlePool. The second least significant bit is set when the object
-    // the pointer corresponds to has been deleted by a garbage collection
-
-    bool isValidPtr() { return !(m_ptr & 3); }
-    bool isPtr() { return !(m_ptr & 1); }
-    bool isNext() { return (m_ptr & 3) == 1; }
-
-    void invalidate()
-    {
-        ASSERT(isValidPtr());
-        m_ptr |= 2;
-    }
-
-    JSCell* get()
-    {
-        ASSERT(isPtr());
-        return reinterpret_cast<JSCell*>(m_ptr & ~3);
-    }
-
-    void set(JSCell* p)
-    {
-        m_ptr = reinterpret_cast<uintptr_t>(p);
-        ASSERT(isPtr());
-    }
-
-    WeakGCHandlePool* pool();
-
-private:
-    uintptr_t getNextInFreeList()
-    {
-        ASSERT(isNext());
-        return m_ptr >> 2;
-    }
-
-    void setNextInFreeList(uintptr_t n)
-    {
-        m_ptr = (n << 2) | 1;
-        ASSERT(isNext());
-    }
-
-    uintptr_t m_ptr;
-};
-
-class WeakGCHandlePool {
-public:
-    static const size_t poolSize = 32 * 1024; // 32k
-    static const size_t poolMask = ~(poolSize - 1);
-    static const size_t numPoolEntries = (poolSize - sizeof(Heap*) - 3 * sizeof(unsigned)) / sizeof(WeakGCHandle);
-
-    WeakGCHandlePool();
-
-    WeakGCHandle* allocate(JSCell* cell);
-    void free(WeakGCHandle*);
-
-    bool isFull()
-    {
-        ASSERT(m_entriesSize < WeakGCHandlePool::numPoolEntries);
-        return m_entriesSize == WeakGCHandlePool::numPoolEntries - 1;
-    }
-
-    void update();
-
-private:
-    Heap* m_heap;
-    unsigned m_entriesSize;
-    unsigned m_initialAlloc;
-
-    WeakGCHandle m_entries[WeakGCHandlePool::numPoolEntries];
-};
-
-}
-#endif