/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#define OBJECT_SAMPLE_DESCRIPTION_BUFFER_SIZE 100

#include "memory/allocation.hpp"

class outputStream;

class ObjectDescriptionBuilder : public StackObj {

private:

  char _buffer[OBJECT_SAMPLE_DESCRIPTION_BUFFER_SIZE];

  size_t _index;

public:

  ObjectDescriptionBuilder();

  void write_text(const char* text);

  void write_int(jint value);

  void reset();

  void print_description(outputStream* out);

  const char* description();

};

class ObjectSampleDescription : public StackObj {

private:

  ObjectDescriptionBuilder _description;

  oop _object;

  void write_text(const char* text);

  void write_int(jint value);

  void write_object_details();

  void write_size(jint size);

  void write_thread_name();

  void write_thread_group_name();

  void write_class_name();

  void write_object_to_buffer();

  bool is_class(Symbol* s1, const char* s2);

  void ensure_initialized();

  bool read_int_size(jint* result);

public:

  ObjectSampleDescription(oop object);

  void print_description(outputStream* out);

  const char* description();

};