LuaInterface.ObjectTranslator.pushError C# (CSharp) Method

        public int pushError(IntPtr luaState, string msg)
        {
            LuaDLL.lua_pushnil(luaState);
            LuaDLL.lua_pushstring(luaState,msg);
            return 2;
        }

        public static int enumFromInt(IntPtr luaState)
        {
            ObjectTranslator translator = ObjectTranslator.FromState(luaState);
            Type             t          = translator.typeOf(luaState, 1);

            if (t == null || !t.IsEnum)
            {
                return(translator.pushError(luaState, "not an enum"));
            }
            object   res = null;
            LuaTypes lt  = LuaDLL.lua_type(luaState, 2);

            if (lt == LuaTypes.LUA_TNUMBER)
            {
                int ival = (int)LuaDLL.lua_tonumber(luaState, 2);
                res = Enum.ToObject(t, ival);
            }
            else
            if (lt == LuaTypes.LUA_TSTRING)
            {
                string sflags = LuaDLL.lua_tostring(luaState, 2);
                string err    = null;
                try
                {
                    res = Enum.Parse(t, sflags);
                }
                catch (ArgumentException e)
                {
                    err = e.Message;
                }
                if (err != null)
                {
                    return(translator.pushError(luaState, err));
                }
            }
            else
            {
                return(translator.pushError(luaState, "second argument must be a integer or a string"));
            }
            translator.pushObject(luaState, res, "luaNet_metatable");
            return(1);
        }