/*************************************************************************/
/*  memory_pool_static.h                                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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/*************************************************************************/
#ifndef MEMORY_POOL_STATIC_H
#define MEMORY_POOL_STATIC_H

#include <stddef.h>

#include "core/typedefs.h"

/**
	@author Juan Linietsky <red@lunatea>
*/
class MemoryPoolStatic {
private:
	static MemoryPoolStatic *singleton;

public:
	static MemoryPoolStatic *get_singleton();

	virtual void *alloc(size_t p_bytes, const char *p_description) = 0; ///< Pointer in p_description shold be to a const char const like "hello"
	virtual void *realloc(void *p_memory, size_t p_bytes) = 0; ///< Pointer in p_description shold be to a const char const like "hello"
	virtual void free(void *p_ptr) = 0; ///< Pointer in p_description shold be to a const char const

	virtual size_t get_available_mem() const = 0;
	virtual size_t get_total_usage() = 0;
	virtual size_t get_max_usage() = 0;

	/* Most likely available only if memory debugger was compiled in */
	virtual int get_alloc_count() = 0;
	virtual void *get_alloc_ptr(int p_alloc_idx) = 0;
	virtual const char *get_alloc_description(int p_alloc_idx) = 0;
	virtual size_t get_alloc_size(int p_alloc_idx) = 0;

	virtual void dump_mem_to_file(const char *p_file) = 0;

	MemoryPoolStatic();
	virtual ~MemoryPoolStatic();
};

#endif