Function FCEU_LuaStop

src/lua-engine.cpp:6596–6636

* Terminates a running Lua script by killing the whole Lua engine. * * Always safe to call, except from within a lua call itself (duh). * */

 *
 */
void FCEU_LuaStop() {

	if (!CheckLua())
		return;

	//already killed
	if (!L) return;

	// Since the script is exiting, we want to prevent an infinite loop.
	// CallExitFunction() > HandleCallbackError() > FCEU_LuaStop() > CallExitFunction() ...
	if (luaexiterrorcount > 0) {
		luaexiterrorcount = luaexiterrorcount - 1;
		//execute the user's shutdown callbacks
		CallExitFunction();
	}

	luaexiterrorcount = luaexiterrorcount + 1;

	//already killed (after multiple errors)
	if (!L) return;

	/*info.*/numMemHooks = 0;
	for(int i = 0; i < LUAMEMHOOK_COUNT; i++)
		CalculateMemHookRegions((LuaMemHookType)i);

	//sometimes iup uninitializes com
	//MBG TODO - test whether this is really necessary. i dont think it is
	#ifdef __WIN_DRIVER__
	CoInitialize(0);
	#endif

	if (info_onstop)
		info_onstop(info_uid);

	//lua_gc(L,LUA_GCCOLLECT,0);


	lua_close(L); // this invokes our garbage collectors for us
	L = NULL;
	FCEU_LuaOnStop();
}

/**
 * Returns true if there is a Lua script running.