ClassHeapIterator.hpp

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 * Copyright (c) 1991, 2014 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
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 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
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/**
 * @file
 * @ingroup GC_Structs
 */

#if !defined(CLASSHEAPITERATOR_HPP_)
#define CLASSHEAPITERATOR_HPP_

#include "j9.h"
#include "j9cfg.h"
#include "modron.h"

/** 
 * Iterate over all classes in a class memory segment.
 * 
 * @ingroup GC_Structs
 */
class GC_ClassHeapIterator
{
	J9Class *_scanPtr;

public:
	GC_ClassHeapIterator(J9JavaVM *javaVM, J9MemorySegment *memorySegment) :
#if defined(J9VM_OPT_FRAGMENT_RAM_CLASSES)
		_scanPtr(*((J9Class **)memorySegment->heapBase))
#else
		_scanPtr(memorySegment->heapBase)
#endif
	{};

	J9Class *nextClass();
};

#endif /* CLASSHEAPITERATOR_HPP_ */