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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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.util; | 5 library dart2js.util; |
6 | 6 |
7 import "dart:collection"; | 7 import "dart:collection"; |
8 import 'util_implementation.dart'; | 8 import 'util_implementation.dart'; |
9 import 'characters.dart'; | 9 import 'characters.dart'; |
10 | 10 |
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283 } | 283 } |
284 buffer.write(string); | 284 buffer.write(string); |
285 } | 285 } |
286 | 286 |
287 int computeHashCode(part1, [part2, part3, part4]) { | 287 int computeHashCode(part1, [part2, part3, part4]) { |
288 return (part1.hashCode | 288 return (part1.hashCode |
289 ^ part2.hashCode | 289 ^ part2.hashCode |
290 ^ part3.hashCode | 290 ^ part3.hashCode |
291 ^ part4.hashCode) & 0x3fffffff; | 291 ^ part4.hashCode) & 0x3fffffff; |
292 } | 292 } |
| 293 |
| 294 /// Exception to flag that the compiler has crashed when the error and stack |
| 295 /// trace have been reported. |
| 296 class CompilerCrashedException implements Exception { |
| 297 final String reason; |
| 298 CompilerCrashedException(this.reason); |
| 299 |
| 300 String toString() { |
| 301 String banner = 'Compiler crashed'; |
| 302 return (reason != null) ? '$banner: $reason' : '$banner'; |
| 303 } |
| 304 } |
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