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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 library dart2js.js.enqueue; | 5 library dart2js.js.enqueue; |
| 6 | 6 |
| 7 import 'dart:collection' show Queue; | 7 import 'dart:collection' show Queue; |
| 8 | 8 |
| 9 import '../common/codegen.dart' show CodegenWorkItem; | 9 import '../common/codegen.dart' show CodegenWorkItem; |
| 10 import '../common/tasks.dart' show CompilerTask; | 10 import '../common/tasks.dart' show CompilerTask; |
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| 24 ConstantUse, | 24 ConstantUse, |
| 25 DynamicUse, | 25 DynamicUse, |
| 26 StaticUse, | 26 StaticUse, |
| 27 StaticUseKind, | 27 StaticUseKind, |
| 28 TypeUse, | 28 TypeUse, |
| 29 TypeUseKind; | 29 TypeUseKind; |
| 30 import '../universe/world_impact.dart' | 30 import '../universe/world_impact.dart' |
| 31 show ImpactUseCase, WorldImpact, WorldImpactVisitor; | 31 show ImpactUseCase, WorldImpact, WorldImpactVisitor; |
| 32 import '../util/enumset.dart'; | 32 import '../util/enumset.dart'; |
| 33 import '../util/util.dart' show Setlet; | 33 import '../util/util.dart' show Setlet; |
| 34 import '../world.dart' show ClosedWorld; |
| 34 | 35 |
| 35 /// [Enqueuer] which is specific to code generation. | 36 /// [Enqueuer] which is specific to code generation. |
| 36 class CodegenEnqueuer extends EnqueuerImpl { | 37 class CodegenEnqueuer extends EnqueuerImpl { |
| 37 final String name; | 38 final String name; |
| 38 final EnqueuerStrategy strategy; | 39 final EnqueuerStrategy strategy; |
| 39 | 40 |
| 40 Set<ClassEntity> _recentClasses = new Setlet<ClassEntity>(); | 41 Set<ClassEntity> _recentClasses = new Setlet<ClassEntity>(); |
| 41 bool _recentConstants = false; | 42 bool _recentConstants = false; |
| 42 final CodegenWorldBuilderImpl _worldBuilder; | 43 final CodegenWorldBuilderImpl _worldBuilder; |
| 43 final WorkItemBuilder _workItemBuilder; | 44 final WorkItemBuilder _workItemBuilder; |
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| 263 @override | 264 @override |
| 264 Iterable<MemberEntity> get processedEntities => _processedEntities; | 265 Iterable<MemberEntity> get processedEntities => _processedEntities; |
| 265 | 266 |
| 266 @override | 267 @override |
| 267 Iterable<ClassEntity> get processedClasses => _worldBuilder.processedClasses; | 268 Iterable<ClassEntity> get processedClasses => _worldBuilder.processedClasses; |
| 268 } | 269 } |
| 269 | 270 |
| 270 /// Builder that creates the work item necessary for the code generation of a | 271 /// Builder that creates the work item necessary for the code generation of a |
| 271 /// [MemberElement]. | 272 /// [MemberElement]. |
| 272 class CodegenWorkItemBuilder extends WorkItemBuilder { | 273 class CodegenWorkItemBuilder extends WorkItemBuilder { |
| 273 JavaScriptBackend _backend; | 274 final JavaScriptBackend _backend; |
| 274 CompilerOptions _options; | 275 final ClosedWorld _closedWorld; |
| 276 final CompilerOptions _options; |
| 275 | 277 |
| 276 CodegenWorkItemBuilder(this._backend, this._options); | 278 CodegenWorkItemBuilder(this._backend, this._closedWorld, this._options); |
| 277 | 279 |
| 278 @override | 280 @override |
| 279 WorkItem createWorkItem(MemberElement element) { | 281 WorkItem createWorkItem(MemberElement element) { |
| 280 assert(invariant(element, element.isDeclaration)); | 282 assert(invariant(element, element.isDeclaration)); |
| 281 // Don't generate code for foreign elements. | 283 // Don't generate code for foreign elements. |
| 282 if (_backend.isForeign(element)) return null; | 284 if (_backend.isForeign(element)) return null; |
| 283 if (element.isAbstract) return null; | 285 if (element.isAbstract) return null; |
| 284 | 286 |
| 285 // Codegen inlines field initializers. It only needs to generate | 287 // Codegen inlines field initializers. It only needs to generate |
| 286 // code for checked setters. | 288 // code for checked setters. |
| 287 if (element.isField && element.isInstanceMember) { | 289 if (element.isField && element.isInstanceMember) { |
| 288 if (!_options.enableTypeAssertions || | 290 if (!_options.enableTypeAssertions || |
| 289 element.enclosingElement.isClosure) { | 291 element.enclosingElement.isClosure) { |
| 290 return null; | 292 return null; |
| 291 } | 293 } |
| 292 } | 294 } |
| 293 return new CodegenWorkItem(_backend, element); | 295 return new CodegenWorkItem(_backend, _closedWorld, element); |
| 294 } | 296 } |
| 295 } | 297 } |
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