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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, 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 js_backend; | 5 part of js_backend; |
6 | 6 |
7 abstract class _MinifiedFieldNamer implements Namer { | 7 abstract class _MinifiedFieldNamer implements Namer { |
8 _FieldNamingRegistry get fieldRegistry; | 8 _FieldNamingRegistry get fieldRegistry; |
9 | 9 |
10 // Returns a minimal name for the field that is globally unique along | 10 // Returns a minimal name for the field that is globally unique along |
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139 } | 139 } |
140 } | 140 } |
141 | 141 |
142 cls.forEachInstanceField((cls, field) => result.add(field)); | 142 cls.forEachInstanceField((cls, field) => result.add(field)); |
143 | 143 |
144 registry.scopes[cls] = result; | 144 registry.scopes[cls] = result; |
145 return result; | 145 return result; |
146 } | 146 } |
147 | 147 |
148 factory _FieldNamingScope.forBox(Local box, _FieldNamingRegistry registry) { | 148 factory _FieldNamingScope.forBox(Local box, _FieldNamingRegistry registry) { |
149 return registry.scopes.putIfAbsent( | 149 return registry.scopes |
150 box, () => new _BoxFieldNamingScope(box, registry)); | 150 .putIfAbsent(box, () => new _BoxFieldNamingScope(box, registry)); |
151 } | 151 } |
152 | 152 |
153 _FieldNamingScope.rootScope(this.container, this.registry) | 153 _FieldNamingScope.rootScope(this.container, this.registry) |
154 : superScope = null, | 154 : superScope = null, |
155 _fieldNameCounter = 0; | 155 _fieldNameCounter = 0; |
156 | 156 |
157 _FieldNamingScope.inherit(this.container, this.superScope, this.registry) { | 157 _FieldNamingScope.inherit(this.container, this.superScope, this.registry) { |
158 _fieldNameCounter = superScope.inheritanceBasedFieldNameCounter; | 158 _fieldNameCounter = superScope.inheritanceBasedFieldNameCounter; |
159 } | 159 } |
160 | 160 |
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227 : super.rootScope(box, registry); | 227 : super.rootScope(box, registry); |
228 | 228 |
229 @override | 229 @override |
230 bool containsField(_) => true; | 230 bool containsField(_) => true; |
231 | 231 |
232 jsAst.Name operator [](Element field) { | 232 jsAst.Name operator [](Element field) { |
233 if (!names.containsKey(field)) add(field); | 233 if (!names.containsKey(field)) add(field); |
234 return names[field]; | 234 return names[field]; |
235 } | 235 } |
236 } | 236 } |
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