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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 abstract class ConstantVisitor<R> { | 5 abstract class ConstantVisitor<R> { |
6 R visitSentinel(SentinelConstant constant); | 6 R visitSentinel(SentinelConstant constant); |
7 R visitFunction(FunctionConstant constant); | 7 R visitFunction(FunctionConstant constant); |
8 R visitNull(NullConstant constant); | 8 R visitNull(NullConstant constant); |
9 R visitInt(IntConstant constant); | 9 R visitInt(IntConstant constant); |
10 R visitDouble(DoubleConstant constant); | 10 R visitDouble(DoubleConstant constant); |
11 R visitTrue(TrueConstant constant); | 11 R visitTrue(TrueConstant constant); |
12 R visitFalse(FalseConstant constant); | 12 R visitFalse(FalseConstant constant); |
13 R visitString(StringConstant constant); | 13 R visitString(StringConstant constant); |
14 R visitList(ListConstant constant); | 14 R visitList(ListConstant constant); |
15 R visitMap(MapConstant constant); | 15 R visitMap(MapConstant constant); |
16 R visitConstructed(ConstructedConstant constant); | 16 R visitConstructed(ConstructedConstant constant); |
17 } | 17 } |
18 | 18 |
19 class Constant implements Hashable { | 19 class Constant { |
Lasse Reichstein Nielsen
2012/09/27 12:42:36
Whoops, double space. Will fix.
Mads Ager (google)
2012/09/27 12:48:27
Remove extra space before '{'.
| |
20 const Constant(); | 20 const Constant(); |
21 | 21 |
22 bool isNull() => false; | 22 bool isNull() => false; |
23 bool isBool() => false; | 23 bool isBool() => false; |
24 bool isTrue() => false; | 24 bool isTrue() => false; |
25 bool isFalse() => false; | 25 bool isFalse() => false; |
26 bool isInt() => false; | 26 bool isInt() => false; |
27 bool isDouble() => false; | 27 bool isDouble() => false; |
28 bool isNum() => false; | 28 bool isNum() => false; |
29 bool isString() => false; | 29 bool isString() => false; |
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434 if (fields[i] != other.fields[i]) return false; | 434 if (fields[i] != other.fields[i]) return false; |
435 } | 435 } |
436 return true; | 436 return true; |
437 } | 437 } |
438 | 438 |
439 int hashCode() => _hashCode; | 439 int hashCode() => _hashCode; |
440 List<Constant> getDependencies() => fields; | 440 List<Constant> getDependencies() => fields; |
441 | 441 |
442 accept(ConstantVisitor visitor) => visitor.visitConstructed(this); | 442 accept(ConstantVisitor visitor) => visitor.visitConstructed(this); |
443 } | 443 } |
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