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Change-Id: Ib250117553b2e22c6c71b78bf354be1162bc9981 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151235 Reviewed-by: Dmitry Stefantsov <dmitryas@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
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| outputting | ||
| overlap | ||
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| overlooked | ||
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| overwriting | ||
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pkg/front_end/testcases/general/abstract_operator_override.dart
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| // Copyright (c) 2020, 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. | ||
|
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| class A { | ||
| A operator +(B b) => new A(); | ||
| A operator -() => new A(); | ||
| A operator [](B b) => new A(); | ||
| void operator []=(B b1, B b2) {} | ||
| } | ||
|
|
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| class B extends A { | ||
| A operator +(A a); | ||
| B operator -(); | ||
| A operator [](A a); | ||
| void operator []=(A a, B b); | ||
| } | ||
|
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| class C extends A { | ||
| B operator [](B b); | ||
| void operator []=(B b, A a); | ||
| } | ||
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| main() {} |
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pkg/front_end/testcases/general/abstract_operator_override.dart.outline.expect
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| library; | ||
| // | ||
| // Problems in library: | ||
| // | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:12:7: Error: The implementation of '+' in the non-abstract class 'B' does not conform to its interface. | ||
| // class B extends A { | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:6:18: Context: The parameter 'b' of the method 'A.+' has type 'B', which does not match the corresponding type, 'A', in the overridden method, 'B.+'. | ||
| // - 'B' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // - 'A' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // Change to a supertype of 'A', or, for a covariant parameter, a subtype. | ||
| // A operator +(B b) => new A(); | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:13:14: Context: This is the overridden method ('+'). | ||
| // A operator +(A a); | ||
| // ^ | ||
| // | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:12:7: Error: The implementation of 'unary-' in the non-abstract class 'B' does not conform to its interface. | ||
| // class B extends A { | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:7:14: Context: The return type of the method 'A.unary-' is 'A', which does not match the return type, 'B', of the overridden method, 'B.unary-'. | ||
| // - 'A' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // - 'B' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // Change to a subtype of 'B'. | ||
| // A operator -() => new A(); | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:14:14: Context: This is the overridden method ('unary-'). | ||
| // B operator -(); | ||
| // ^ | ||
| // | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:12:7: Error: The implementation of '[]' in the non-abstract class 'B' does not conform to its interface. | ||
| // class B extends A { | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:8:19: Context: The parameter 'b' of the method 'A.[]' has type 'B', which does not match the corresponding type, 'A', in the overridden method, 'B.[]'. | ||
| // - 'B' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // - 'A' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // Change to a supertype of 'A', or, for a covariant parameter, a subtype. | ||
| // A operator [](B b) => new A(); | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:15:14: Context: This is the overridden method ('[]'). | ||
| // A operator [](A a); | ||
| // ^ | ||
| // | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:12:7: Error: The implementation of '[]=' in the non-abstract class 'B' does not conform to its interface. | ||
| // class B extends A { | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:9:23: Context: The parameter 'b1' of the method 'A.[]=' has type 'B', which does not match the corresponding type, 'A', in the overridden method, 'B.[]='. | ||
| // - 'B' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // - 'A' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // Change to a supertype of 'A', or, for a covariant parameter, a subtype. | ||
| // void operator []=(B b1, B b2) {} | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:16:17: Context: This is the overridden method ('[]='). | ||
| // void operator []=(A a, B b); | ||
| // ^ | ||
| // | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:19:7: Error: The implementation of '[]' in the non-abstract class 'C' does not conform to its interface. | ||
| // class C extends A { | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:8:14: Context: The return type of the method 'A.[]' is 'A', which does not match the return type, 'B', of the overridden method, 'C.[]'. | ||
| // - 'A' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // - 'B' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // Change to a subtype of 'B'. | ||
| // A operator [](B b) => new A(); | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:20:14: Context: This is the overridden method ('[]'). | ||
| // B operator [](B b); | ||
| // ^ | ||
| // | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:19:7: Error: The implementation of '[]=' in the non-abstract class 'C' does not conform to its interface. | ||
| // class C extends A { | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:9:29: Context: The parameter 'b2' of the method 'A.[]=' has type 'B', which does not match the corresponding type, 'A', in the overridden method, 'C.[]='. | ||
| // - 'B' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // - 'A' is from 'pkg/front_end/testcases/general/abstract_operator_override.dart'. | ||
| // Change to a supertype of 'A', or, for a covariant parameter, a subtype. | ||
| // void operator []=(B b1, B b2) {} | ||
| // ^ | ||
| // pkg/front_end/testcases/general/abstract_operator_override.dart:21:17: Context: This is the overridden method ('[]='). | ||
| // void operator []=(B b, A a); | ||
| // ^ | ||
| // | ||
| import self as self; | ||
| import "dart:core" as core; | ||
|
|
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| class A extends core::Object { | ||
| synthetic constructor •() → self::A* | ||
| ; | ||
| operator +(self::B* b) → self::A* | ||
| ; | ||
| operator unary-() → self::A* | ||
| ; | ||
| operator [](self::B* b) → self::A* | ||
| ; | ||
| operator []=(self::B* b1, self::B* b2) → void | ||
| ; | ||
| abstract member-signature get _identityHashCode() → core::int*; | ||
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; | ||
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; | ||
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; | ||
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; | ||
| abstract member-signature operator ==(dynamic other) → core::bool*; | ||
| abstract member-signature get hashCode() → core::int*; | ||
| abstract member-signature method toString() → core::String*; | ||
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; | ||
| abstract member-signature get runtimeType() → core::Type*; | ||
| } | ||
| class B extends self::A { | ||
| synthetic constructor •() → self::B* | ||
| ; | ||
| abstract operator +(self::A* a) → self::A*; | ||
| abstract operator unary-() → self::B*; | ||
| abstract operator [](self::A* a) → self::A*; | ||
| abstract operator []=(self::A* a, self::B* b) → void; | ||
| } | ||
| class C extends self::A { | ||
| synthetic constructor •() → self::C* | ||
| ; | ||
| abstract operator [](self::B* b) → self::B*; | ||
| abstract operator []=(self::B* b, self::A* a) → void; | ||
| } | ||
| static method main() → dynamic | ||
| ; |
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