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-rw-r--r--Source/JavaScriptCore/heap/HeapBlock.h73
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diff --git a/Source/JavaScriptCore/heap/HeapBlock.h b/Source/JavaScriptCore/heap/HeapBlock.h
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--- a/Source/JavaScriptCore/heap/HeapBlock.h
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-/*
- * Copyright (C) 2011 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. ``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
- * 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 HeapBlock_h
-#define HeapBlock_h
-
-#include <wtf/DoublyLinkedList.h>
-#include <wtf/StdLibExtras.h>
-
-namespace JSC {
-
-enum AllocationEffort { AllocationCanFail, AllocationMustSucceed };
-
-class Region;
-
-#if COMPILER(GCC)
-#define CLASS_IF_GCC class
-#else
-#define CLASS_IF_GCC
-#endif
-
-template<typename T>
-class HeapBlock : public DoublyLinkedListNode<T> {
- friend CLASS_IF_GCC DoublyLinkedListNode<T>;
-public:
- static HeapBlock* destroy(HeapBlock* block) WARN_UNUSED_RETURN
- {
- static_cast<T*>(block)->~T();
- return block;
- }
-
- HeapBlock(Region* region)
- : DoublyLinkedListNode<T>()
- , m_region(region)
- , m_prev(0)
- , m_next(0)
- {
- ASSERT(m_region);
- }
-
- Region* region() const { return m_region; }
-
-private:
- Region* m_region;
- T* m_prev;
- T* m_next;
-};
-
-} // namespace JSC
-
-#endif