wrenpp/src/dynafunc_maker.hpp

/* Copyright 2020-2022, Michele Santullo
 * This file is part of wrenpp.
 *
 * Wrenpp is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Wrenpp 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with wrenpp.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "wrenpp/detail/wren_types.hpp"
#include <vector>
#include <list>
#include <cstddef>

namespace wren {
	class DynafuncMaker {
	public:
		DynafuncMaker();
		~DynafuncMaker() noexcept;

		void* make (VM* vm, foreign_method_t cb, const char* mod_name, const char* cls_name);
		void clear() noexcept;

		std::size_t total_memory() const;

	private:
		unsigned char* allocate_chunk();

		std::list<std::vector<char>> m_string_params;
		std::vector<void*> m_pages;
		std::size_t m_page_size;
		std::size_t m_used_bytes;
	};
} //namespace wren