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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import 'dart:collection' show HashSet; | 5 import 'dart:collection' show HashSet; |
6 | 6 |
7 import 'package:analyzer/dart/ast/ast.dart' show Identifier; | 7 import 'package:analyzer/dart/ast/ast.dart' show Identifier; |
8 import 'package:analyzer/dart/element/element.dart'; | 8 import 'package:analyzer/dart/element/element.dart'; |
9 | 9 |
10 class PropertyOverrideResult { | 10 class PropertyOverrideResult { |
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23 var superprop = getProperty(superclass, field.library, field.name); | 23 var superprop = getProperty(superclass, field.library, field.name); |
24 if (superprop == null) continue; | 24 if (superprop == null) continue; |
25 | 25 |
26 var getter = superprop.getter; | 26 var getter = superprop.getter; |
27 bool hasGetter = getter != null && !getter.isAbstract; | 27 bool hasGetter = getter != null && !getter.isAbstract; |
28 if (hasGetter) foundGetter = true; | 28 if (hasGetter) foundGetter = true; |
29 | 29 |
30 var setter = superprop.setter; | 30 var setter = superprop.setter; |
31 bool hasSetter = setter != null && !setter.isAbstract; | 31 bool hasSetter = setter != null && !setter.isAbstract; |
32 if (hasSetter) foundSetter = true; | 32 if (hasSetter) foundSetter = true; |
33 | |
34 // Stop if this is an abstract getter/setter | |
35 // TODO(jmesserly): why were we doing this? | |
36 if (!hasGetter && !hasSetter) break; | |
37 } | 33 } |
38 | 34 |
39 return new PropertyOverrideResult(foundGetter, foundSetter); | 35 return new PropertyOverrideResult(foundGetter, foundSetter); |
40 } | 36 } |
41 | 37 |
42 FieldElement getProperty( | 38 FieldElement getProperty( |
43 ClassElement cls, LibraryElement fromLibrary, String name) { | 39 ClassElement cls, LibraryElement fromLibrary, String name) { |
44 // Properties from a different library are not accessible. | 40 // Properties from a different library are not accessible. |
45 if (Identifier.isPrivateName(name) && cls.library != fromLibrary) { | 41 if (Identifier.isPrivateName(name) && cls.library != fromLibrary) { |
46 return null; | 42 return null; |
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61 if (mixin != null) result.add(mixin); | 57 if (mixin != null) result.add(mixin); |
62 } | 58 } |
63 var supertype = cls.supertype; | 59 var supertype = cls.supertype; |
64 if (supertype == null) break; | 60 if (supertype == null) break; |
65 | 61 |
66 cls = supertype.element; | 62 cls = supertype.element; |
67 result.add(cls); | 63 result.add(cls); |
68 } | 64 } |
69 return result; | 65 return result; |
70 } | 66 } |
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