| // Copyright (c) 2023, 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 instance field is promotable if all the following conditions |
| /// hold: |
| /// - It refers to a field (not a getter) |
| /// - The field is private |
| /// - The field is final |
| /// - There is no getter with the same name elsewhere in the library |
| /// - There is no non-final field with the same name elsewhere in the library |
| /// - There is no implicit noSuchMethod forwarder with the same name elsewhere |
| /// in the library. |
| /// |
| /// @description Checks that expression `target._fieldName` is not promotable if |
| /// `target` is a static field (even constant). |
| /// See https://github.com/dart-lang/language/issues/3326 |
| /// @author sgrekhov22@gmail.com |
| /// @issue 53437 |
| |
| class C { |
| static const c1 = C(1); |
| static final c2 = C(2); |
| static const _c3 = C(3); |
| |
| final int? _x; |
| const C(this._x); |
| } |
| |
| main() { |
| var v1 = C.c1; |
| if (v1._x != null) { |
| v1._x.isEven; // Ok, `target` is a local variable |
| } |
| var v2 = C.c2; |
| if (v2._x != null) { |
| v2._x.isEven; // Ok, `target` is a local variable |
| } |
| var v3 = C._c3; |
| if (v3._x != null) { |
| v3._x.isEven; // Ok, `target` is a local variable |
| } |
| if (C.c1._x != null) { |
| C.c1._x.isEven; |
| // ^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| if (C.c2._x != null) { |
| C.c2._x.isEven; |
| // ^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| if (C._c3._x != null) { |
| C._c3._x.isEven; |
| // ^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| } |
