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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 /// [ConstantCompilerTask] for compilation of constants for the JavaScript | 7 /// [ConstantCompilerTask] for compilation of constants for the JavaScript |
8 /// backend. | 8 /// backend. |
9 /// | 9 /// |
10 /// Since this task needs to distinguish between frontend and backend constants | 10 /// Since this task needs to distinguish between frontend and backend constants |
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196 | 196 |
197 ConstantExpression compileMetadata(MetadataAnnotation metadata, | 197 ConstantExpression compileMetadata(MetadataAnnotation metadata, |
198 Node node, | 198 Node node, |
199 TreeElements elements) { | 199 TreeElements elements) { |
200 ConstantExpression constant = | 200 ConstantExpression constant = |
201 super.compileMetadata(metadata, node, elements); | 201 super.compileMetadata(metadata, node, elements); |
202 metadataConstantMap[metadata] = constant; | 202 metadataConstantMap[metadata] = constant; |
203 return constant; | 203 return constant; |
204 } | 204 } |
205 | 205 |
206 ConstantExpression createTypeConstant(TypeDeclarationElement element) { | |
207 DartType elementType = element.rawType; | |
208 DartType constantType = | |
209 compiler.backend.typeImplementation.computeType(compiler); | |
210 return new TypeConstantExpression( | |
211 new TypeConstantValue(elementType, constantType), elementType); | |
212 } | |
213 | |
214 void forgetElement(Element element) { | 206 void forgetElement(Element element) { |
215 super.forgetElement(element); | 207 super.forgetElement(element); |
216 const ForgetConstantElementVisitor().visit(element, this); | 208 const ForgetConstantElementVisitor().visit(element, this); |
217 if (element is AstElement && element.hasNode) { | 209 if (element is AstElement && element.hasNode) { |
218 element.node.accept(new ForgetConstantNodeVisitor(this)); | 210 element.node.accept(new ForgetConstantNodeVisitor(this)); |
219 } | 211 } |
220 } | 212 } |
221 } | 213 } |
222 | 214 |
223 class ForgetConstantElementVisitor | 215 class ForgetConstantElementVisitor |
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254 // TODO(ahe): This doesn't belong here. Rename this class and generalize. | 246 // TODO(ahe): This doesn't belong here. Rename this class and generalize. |
255 var closureClassMap = | 247 var closureClassMap = |
256 constants.compiler.closureToClassMapper.closureMappingCache | 248 constants.compiler.closureToClassMapper.closureMappingCache |
257 .remove(node); | 249 .remove(node); |
258 if (closureClassMap != null) { | 250 if (closureClassMap != null) { |
259 closureClassMap.removeMyselfFrom( | 251 closureClassMap.removeMyselfFrom( |
260 constants.compiler.enqueuer.codegen.universe); | 252 constants.compiler.enqueuer.codegen.universe); |
261 } | 253 } |
262 } | 254 } |
263 } | 255 } |
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