| /* |
| * Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion an extension declaration is a top-level declaration with a grammar |
| * similar to: |
| * <extension> ::= |
| * `extension' <identifier>? <typeParameters>? `on' <type> `?'? `{' |
| * memberDeclaration* |
| * `}' |
| * Such a declaration introduces its name (the identifier) into the surrounding |
| * scope |
| * |
| * @description Check that it is compile-error if extension declaration is not |
| * top-level |
| * @author sgrekhov@unipro.ru |
| */ |
| |
| |
| class C { |
| extension MyFancyList<T> on List<T> { |
| // [error line 23, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| int get doubleLength => this.length * 2; |
| // [error line 27, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| } |
| |
| main() { |
| extension MyFancyList<T> on List<T> { |
| // [error line 35, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| int get doubleLength => this.length * 2; |
| // [error line 39, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| //^ |
| // [analyzer] SYNTACTIC_ERROR.EXPECTED_TOKEN |
| // [cfe] Expected ';' after this. |
| } |
