memoryUsagePointerCounts.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file memoryUsagePointerCounts.h
 * @author drose
 * @date 2001-06-04
 */

#ifndef MEMORYUSAGEPOINTERCOUNTS_H
#define MEMORYUSAGEPOINTERCOUNTS_H

#include "pandabase.h"

class MemoryInfo;

/**
 * This is a supporting class for MemoryUsage.  It tracks the relative counts
 * of a number of pointers of some type (or age), for use by TypeHistogram and
 * AgeHistogram.  It's not exported from the DLL, and it doesn't even exist if
 * we're compiling NDEBUG.
 */
class MemoryUsagePointerCounts {
public:
  INLINE MemoryUsagePointerCounts();
  INLINE MemoryUsagePointerCounts(const MemoryUsagePointerCounts &copy);
  INLINE void operator = (const MemoryUsagePointerCounts &copy);

  INLINE void clear();
  void add_info(MemoryInfo *info);
  void output(std::ostream &out) const;

  INLINE bool is_size_unknown() const;
  INLINE size_t get_size() const;
  INLINE int get_count() const;

  INLINE bool operator < (const MemoryUsagePointerCounts &other) const;

private:
  static void output_bytes(std::ostream &out, size_t size);

private:
  int _count;
  int _unknown_size_count;
  size_t _size;
};

INLINE std::ostream &operator << (std::ostream &out, const MemoryUsagePointerCounts &c);

#include "memoryUsagePointerCounts.I"

#endif