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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 part of dart_backend; | 5 part of dart_backend; |
6 | 6 |
7 Function get _compareNodes => | 7 Function get _compareNodes => |
8 compareBy((n) => n.getBeginToken().charOffset); | 8 compareBy((n) => n.getBeginToken().charOffset); |
9 | 9 |
10 typedef String _Renamer(Renamable renamable); | 10 typedef String _Renamer(Renamable renamable); |
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147 final prefix = | 147 final prefix = |
148 imports.putIfAbsent(library, () => generateUniqueName('p')); | 148 imports.putIfAbsent(library, () => generateUniqueName('p')); |
149 return '$prefix.$originalName'; | 149 return '$prefix.$originalName'; |
150 } | 150 } |
151 | 151 |
152 return rename(library, originalName); | 152 return rename(library, originalName); |
153 }; | 153 }; |
154 | 154 |
155 Function makeRenamer(generateUniqueName) => | 155 Function makeRenamer(generateUniqueName) => |
156 (library, originalName) => | 156 (library, originalName) => |
157 renamed.putIfAbsent(library, () => <String>{}) | 157 renamed.putIfAbsent(library, () => {}) |
158 .putIfAbsent(originalName, | 158 .putIfAbsent(originalName, |
159 () => generateUniqueName(originalName)); | 159 () => generateUniqueName(originalName)); |
160 | 160 |
161 // Renamer function that takes library and original name and returns a new | 161 // Renamer function that takes library and original name and returns a new |
162 // name for given identifier. | 162 // name for given identifier. |
163 Function rename; | 163 Function rename; |
164 Function renameElement; | 164 Function renameElement; |
165 // A function that takes original identifier name and generates a new unique | 165 // A function that takes original identifier name and generates a new unique |
166 // identifier. | 166 // identifier. |
167 Function generateUniqueName; | 167 Function generateUniqueName; |
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349 index ~/= firstCharAlphabet.length; | 349 index ~/= firstCharAlphabet.length; |
350 int length = otherCharsAlphabet.length; | 350 int length = otherCharsAlphabet.length; |
351 while (index >= length) { | 351 while (index >= length) { |
352 resultBuilder.add(otherCharsAlphabet[index % length]); | 352 resultBuilder.add(otherCharsAlphabet[index % length]); |
353 index ~/= length; | 353 index ~/= length; |
354 } | 354 } |
355 resultBuilder.add(otherCharsAlphabet[index]); | 355 resultBuilder.add(otherCharsAlphabet[index]); |
356 return resultBuilder.toString(); | 356 return resultBuilder.toString(); |
357 } | 357 } |
358 } | 358 } |
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