1/* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16@interface Component { 17 18} 19 20@interface Prop { 21 22} 23 24@interface BuilderParam { 25 26} 27 28class C { 29 color(x: string) { } 30 width(x: int) { } 31} 32 33function Column(x: () => void): C { 34 return new C() 35} 36 37function Text(x: string) { 38 return new C() 39} 40 41@Component 42struct AA { 43 count: int = 10 44 @Prop 45 text: string = "Hi" 46 @BuilderParam 47 aBuilder: ()=>void = ():void=> { 48 } 49 build() { 50 Column() { 51 Text(this.text).width(this.count) 52 this.aBuilder() 53 }.color("#000000") 54 } 55} 56 57/* @@? 42:1 Error TypeError: Structs are only used to define UI components, it should be translated at 'plugin after parser' phase. */ 58