//
// mp::zone
//
// Copyright (C) 2008 FURUHASHI Sadayuki
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//

#ifndef MP_ZONE_H__
#define MP_ZONE_H__

namespace mp {


class zone {
public:
	zone();
	~zone();

public:
	template <typename T>
		T* allocate();
MP_ARGS_BEGIN
	template <typename T, MP_ARGS_TEMPLATE>
		T* allocate(MP_ARGS_PARAMS);
MP_ARGS_END


	void* malloc(size_t sz);


	void push_finalizer(void (*func)(void*), void* obj);

	void delegate_to(zone& guardian);

	void clear();

private:
	struct entry {
		entry(void (*func)(void*), void* obj):
			m_func(func), m_obj(obj) {}
		void finalize() { (*m_func)(m_obj); }
	private:
		void (*m_func)(void*);
		void* m_obj;
	};
	typedef std::vector<entry> entries_t;
	entries_t m_entries;

private:
	template <typename T>
	T* push_object(T* x);

	static void finalize_free(void* p);

	template <typename T>
	static void finalize_destruct_free(void* obj);

private:
	zone(const zone&);
};


}  // namespace mp

#include "mp/zone_impl.h"

#endif /* mp/zone.h */