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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 library dart2js.constant_system; | 5 library dart2js.constant_system; |
6 | 6 |
7 import '../common_elements.dart' show CommonElements; | 7 import '../common_elements.dart' show CommonElements; |
| 8 import '../elements/operators.dart'; |
8 import '../elements/types.dart'; | 9 import '../elements/types.dart'; |
9 import '../resolution/operators.dart'; | |
10 import '../tree/dartstring.dart' show DartString; | 10 import '../tree/dartstring.dart' show DartString; |
11 import 'values.dart'; | 11 import 'values.dart'; |
12 | 12 |
13 abstract class Operation { | 13 abstract class Operation { |
14 String get name; | 14 String get name; |
15 } | 15 } |
16 | 16 |
17 abstract class UnaryOperation extends Operation { | 17 abstract class UnaryOperation extends Operation { |
18 /** Returns [:null:] if it was unable to fold the operation. */ | 18 /** Returns [:null:] if it was unable to fold the operation. */ |
19 ConstantValue fold(ConstantValue constant); | 19 ConstantValue fold(ConstantValue constant); |
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136 return greaterEqual; | 136 return greaterEqual; |
137 case BinaryOperatorKind.EQ: | 137 case BinaryOperatorKind.EQ: |
138 return equal; | 138 return equal; |
139 case BinaryOperatorKind.IF_NULL: | 139 case BinaryOperatorKind.IF_NULL: |
140 return ifNull; | 140 return ifNull; |
141 default: | 141 default: |
142 return null; | 142 return null; |
143 } | 143 } |
144 } | 144 } |
145 } | 145 } |
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