/*

 * Copyright (C) 2007 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 CollectorHeapIntrospector_h

#define CollectorHeapIntrospector_h

#include <malloc/malloc.h>

#include "Assertions.h"

namespace KJS {

struct CollectorHeap;

class CollectorHeapIntrospector {

public:

    static void init(CollectorHeap*);

    static kern_return_t enumerate(task_t, void* context, unsigned typeMask, vm_address_t zoneAddress, memory_reader_t, vm_range_recorder_t);

    static size_t goodSize(malloc_zone_t*, size_t size) { return size; }

    static boolean_t check(malloc_zone_t*) { return true; }

    static void  print(malloc_zone_t*, boolean_t) { }

    static void log(malloc_zone_t*, void*) { }

    static void forceLock(malloc_zone_t*) { }

    static void forceUnlock(malloc_zone_t*) { }

    static void statistics(malloc_zone_t*, malloc_statistics_t*) { }

private:

    CollectorHeapIntrospector(CollectorHeap*);

    static size_t size(malloc_zone_t*, const void*) { return 0; }

    static void* zoneMalloc(malloc_zone_t*, size_t) { LOG_ERROR("malloc is not supported"); return 0; }

    static void* zoneCalloc(malloc_zone_t*, size_t numItems, size_t size) { LOG_ERROR("calloc is not supported"); return 0; }

    static void zoneFree(malloc_zone_t*, void*) { LOG_ERROR("free is not supported"); }

    static void* zoneRealloc(malloc_zone_t*, void*, size_t) { LOG_ERROR("realloc is not supported"); return 0; }

    static void* zoneValloc(malloc_zone_t*, size_t) { LOG_ERROR("valloc is not supported"); return 0; }

    static void zoneDestroy(malloc_zone_t*) { }

    malloc_zone_t m_zone;

    CollectorHeap* m_heap;

};

}

#endif // CollectorHeapIntrospector_h