コード例 #1
0
 private void VisitNonStaticPropertyReference(non_static_property_reference en)
 {
     VisitExpression(en.expression);
     for (int i = 0; i < en.fact_parametres.Count; i++)
     {
         VisitExpression(en.fact_parametres[i]);
     }
 }
コード例 #2
0
ファイル: Assign.cs プロジェクト: shusha1311/pascalabcnet
        /// <summary>
        /// Обрабатывает случай, когда левая часть присваивания свойство.
        /// </summary>
        /// <returns>True - обработка прошла, иначе False.</returns>
        private bool ProcessAssignToPropertyIfPossible(assign _assign, addressed_expression to, location loc,
                                                       expression_node from)
        {
            //проверка на обращение к полю записи возвращенной из функции с целью присваивания
            //нужно чтобы пользователь не мог менять временный обьект
            if (to.semantic_node_type == semantic_node_type.static_property_reference ||
                to.semantic_node_type == semantic_node_type.non_static_property_reference)
            {
                property_node pn;
                if (to.semantic_node_type == semantic_node_type.static_property_reference)
                {
                    pn = (to as static_property_reference).property;
                }
                else
                {
                    pn = (to as non_static_property_reference).property;
                }

                var ot = MapCompositeAssignmentOperatorToSameBinaryOperator(_assign);
                var oper_ass_in_prop = ot != Operators.Undefined;

                if (_assign.operator_type == Operators.Assignment || oper_ass_in_prop)
                {
                    if (oper_ass_in_prop)
                    {
                        if (pn.get_function == null)
                        {
                            AddError(loc, "THIS_PROPERTY_{0}_CAN_NOT_BE_READED", pn.name);
                        }
                        base_function_call prop_expr;
                        if (to.semantic_node_type == semantic_node_type.non_static_property_reference)
                        {
                            prop_expr = create_not_static_method_call(pn.get_function,
                                                                      (to as non_static_property_reference).expression, loc, false);
                            prop_expr.parameters.AddRange((to as non_static_property_reference).fact_parametres);
                        }
                        else
                        {
                            prop_expr = create_static_method_call(pn.get_function, loc, pn.comprehensive_type, false);
                            prop_expr.parameters.AddRange((to as static_property_reference).fact_parametres);
                        }
                        from = find_operator(ot, prop_expr, from, loc);
                    }

                    if (to.semantic_node_type == semantic_node_type.static_property_reference)
                    {
                        static_property_reference spr = (static_property_reference)to;
                        if (spr.property.set_function == null)
                        {
                            AddError(loc, "THIS_PROPERTY_{0}_CAN_NOT_BE_WRITED", spr.property.name);
                        }
                        check_property_params(spr, loc);
                        function_node set_func = spr.property.set_function;
                        from = convertion_data_and_alghoritms.convert_type(from, spr.property.property_type);
                        spr.fact_parametres.AddElement(from);
                        base_function_call bfc = create_static_method_call(set_func, loc,
                                                                           spr.property.comprehensive_type,
                                                                           true);
                        bfc.parameters.AddRange(spr.fact_parametres);
                        return_value((statement_node)bfc);
                    }
                    else if (to.semantic_node_type == semantic_node_type.non_static_property_reference)
                    {
                        non_static_property_reference nspr = (non_static_property_reference)to;
                        check_property_params(nspr, loc);
                        from = convertion_data_and_alghoritms.convert_type(from, nspr.property.property_type);
                        nspr.fact_parametres.AddElement(from);

                        //Обработка s[i]:='c'
                        if (SystemUnitAssigned)
                        {
                            if (nspr.property.comprehensive_type == SystemLibrary.SystemLibrary.string_type)
                            {
                                if (nspr.property == SystemLibrary.SystemLibrary.string_type.default_property_node)
                                {
                                    if (SystemLibInitializer.StringDefaultPropertySetProcedure != null)
                                    {
                                        expressions_list exl = new expressions_list();
                                        exl.AddElement(nspr.expression);
                                        exl.AddElement(nspr.fact_parametres[0]);
                                        exl.AddElement(from);
                                        function_node fn = convertion_data_and_alghoritms.select_function(exl,
                                                                                                          SystemLibInitializer.StringDefaultPropertySetProcedure
                                                                                                          .SymbolInfo, loc);
                                        expression_node ret =
                                            convertion_data_and_alghoritms.create_simple_function_call(fn, loc,
                                                                                                       exl.ToArray());
                                        return_value((statement_node)ret);
                                        return(true);
                                    }
                                }
                            }
                        }

                        if (nspr.property.set_function == null)
                        {
                            AddError(loc, "THIS_PROPERTY_{0}_CAN_NOT_BE_WRITED", nspr.property.name);
                        }
                        function_node      set_func = nspr.property.set_function;
                        base_function_call bfc      = create_not_static_method_call(set_func, nspr.expression, loc,
                                                                                    true);
                        bfc.parameters.AddRange(nspr.fact_parametres);
                        return_value((statement_node)bfc);
                    }
                    return(true);
                }
            }
            return(false);
        }