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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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148 final prefix = | 148 final prefix = |
149 imports.putIfAbsent(library, () => generateUniqueName('p')); | 149 imports.putIfAbsent(library, () => generateUniqueName('p')); |
150 return '$prefix.$originalName'; | 150 return '$prefix.$originalName'; |
151 } | 151 } |
152 | 152 |
153 return rename(library, originalName); | 153 return rename(library, originalName); |
154 }; | 154 }; |
155 | 155 |
156 Function makeRenamer(generateUniqueName) => | 156 Function makeRenamer(generateUniqueName) => |
157 (library, originalName) => | 157 (library, originalName) => |
158 renamed.putIfAbsent(library, () => <String, String>{}) | 158 renamed.putIfAbsent(library, () => {}) |
159 .putIfAbsent(originalName, | 159 .putIfAbsent(originalName, |
160 () => generateUniqueName(originalName)); | 160 () => generateUniqueName(originalName)); |
161 | 161 |
162 // Renamer function that takes library and original name and returns a new | 162 // Renamer function that takes library and original name and returns a new |
163 // name for given identifier. | 163 // name for given identifier. |
164 Function rename; | 164 Function rename; |
165 Function renameElement; | 165 Function renameElement; |
166 // A function that takes original identifier name and generates a new unique | 166 // A function that takes original identifier name and generates a new unique |
167 // identifier. | 167 // identifier. |
168 Function generateUniqueName; | 168 Function generateUniqueName; |
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350 index ~/= firstCharAlphabet.length; | 350 index ~/= firstCharAlphabet.length; |
351 int length = otherCharsAlphabet.length; | 351 int length = otherCharsAlphabet.length; |
352 while (index >= length) { | 352 while (index >= length) { |
353 resultBuilder.add(otherCharsAlphabet[index % length]); | 353 resultBuilder.add(otherCharsAlphabet[index % length]); |
354 index ~/= length; | 354 index ~/= length; |
355 } | 355 } |
356 resultBuilder.add(otherCharsAlphabet[index]); | 356 resultBuilder.add(otherCharsAlphabet[index]); |
357 return resultBuilder.toString(); | 357 return resultBuilder.toString(); |
358 } | 358 } |
359 } | 359 } |
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