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/*
 * Copyright (c) 2013 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <Swiften/Base/Override.h>
#include <Swiften/Base/API.h>
#include <Sluift/Lua/FunctionRegistry.h>
#include <lua.hpp>
#include <string>

namespace Swift {
	namespace Lua {
		class FunctionRegistration {
			public:
				FunctionRegistration(
						const std::string& name, lua_CFunction function, const std::string& type, 
						const std::string& helpDescription, const std::string& helpParameters, const std::string& helpOptions);
				~FunctionRegistration();
		};
	}
}


#define SLUIFT_LUA_FUNCTION_WITH_HELP(TYPE, NAME, HELP_DESCRIPTION, HELP_PARAMETERS, HELP_OPTIONS) \
	static int TYPE##_##NAME(lua_State* L); \
	static int TYPE##_##NAME##_wrapper(lua_State* L); \
	static ::Swift::Lua::FunctionRegistration TYPE##_##NAME##_registration( #NAME , TYPE##_##NAME##_wrapper, #TYPE, HELP_DESCRIPTION, HELP_PARAMETERS, HELP_OPTIONS); \
	static int TYPE##_##NAME##_wrapper(lua_State* L) { \
		try { \
			return TYPE ## _ ## NAME (L); \
		} \
		catch (const std::exception& e) { \
			return luaL_error(L, e.what()); \
		} \
	} \
	static int TYPE ## _ ## NAME (lua_State* L)

#define SLUIFT_LUA_FUNCTION(TYPE, NAME) \
	SLUIFT_LUA_FUNCTION_WITH_HELP(TYPE, NAME, "", "", "")