| // Copyright (c) 2015, 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. |
| |
| // Verify that the ?. operator cannot be used with "super". |
| |
| class B { |
| B(); |
| B.namedConstructor(); |
| var field = 1; |
| method() => 1; |
| } |
| |
| class C extends B { |
| C() |
| : super?.namedConstructor() |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] Cannot use '?.' here. |
| // ^ |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| ; |
| |
| test() { |
| super?.field = 1; |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| super?.field += 1; |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| super?.field ??= 1; |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| // ^ |
| // [cfe] Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // ^ |
| // [analyzer] STATIC_WARNING.DEAD_NULL_AWARE_EXPRESSION |
| super?.field; |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| 1 * super?.field; |
| // ^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.ARGUMENT_TYPE_NOT_ASSIGNABLE |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| -super?.field; |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNCHECKED_USE_OF_NULLABLE_VALUE |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| ~super?.field; |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNCHECKED_USE_OF_NULLABLE_VALUE |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| !super?.field; |
| // ^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.NON_BOOL_NEGATION_EXPRESSION |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| // ^ |
| // [cfe] A value of type 'int' can't be assigned to a variable of type 'bool'. |
| --super?.field; |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| ++super?.field; |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| super?.method(); |
| // ^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| 1 * super?.method(); |
| // ^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| -super?.method(); |
| // ^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| ~super?.method(); |
| // ^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| !super?.method(); |
| // ^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| --super?.method(); |
| //^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| // ^ |
| // [cfe] Can't assign to this. |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.MISSING_ASSIGNABLE_SELECTOR |
| ++super?.method(); |
| //^ |
| // [cfe] The receiver 'this' cannot be null. |
| // ^^ |
| // [analyzer] SYNTACTIC_ERROR.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER |
| // [cfe] The operator '?.' cannot be used with 'super' because 'super' cannot be null. |
| // ^ |
| // [cfe] Can't assign to this. |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.MISSING_ASSIGNABLE_SELECTOR |
| } |
| } |
| |
| main() { |
| new C().test(); |
| } |