LuaInterface.ObjectTranslator.registerTable C# (CSharp) Method

        private int registerTable(IntPtr luaState)
        {
            if(LuaDLL.lua_type(luaState,1)==LuaTypes.LUA_TTABLE)
            {
                LuaTable luaTable=getTable(luaState,1);
                string superclassName = LuaDLL.lua_tostring(luaState, 2);
                if (superclassName != null)
                {
                    Type klass = FindType(superclassName);
                    if (klass != null)
                    {
                        // Creates and pushes the object in the stack, setting
                        // it as the  metatable of the first argument
                        object obj = CodeGeneration.Instance.GetClassInstance(klass, luaTable);
                        pushObject(luaState, obj, "luaNet_metatable");
                        LuaDLL.lua_newtable(luaState);
                        LuaDLL.lua_pushstring(luaState, "__index");
                        LuaDLL.lua_pushvalue(luaState, -3);
                        LuaDLL.lua_settable(luaState, -3);
                        LuaDLL.lua_pushstring(luaState, "__newindex");
                        LuaDLL.lua_pushvalue(luaState, -3);
                        LuaDLL.lua_settable(luaState, -3);
                        LuaDLL.lua_setmetatable(luaState, 1);
                        // Pushes the object again, this time as the base field
                        // of the table and with the luaNet_searchbase metatable
                        LuaDLL.lua_pushstring(luaState, "base");
                        int index = addObject(obj);
                        pushNewObject(luaState, obj, index, "luaNet_searchbase");
                        LuaDLL.lua_rawset(luaState, 1);
                    }
                    else
                        throwError(luaState, "register_table: can not find superclass '" + superclassName + "'");
                }
                else
                    throwError(luaState, "register_table: superclass name can not be null");
            }
            else throwError(luaState,"register_table: first arg is not a table");
            return 0;
        }