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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 ssa; | 5 part of ssa; |
6 | 6 |
7 /** | 7 /** |
8 * A special element for the extra parameter taken by intercepted | 8 * A special element for the extra parameter taken by intercepted |
9 * methods. We need to override [Element.computeType] because our | 9 * methods. We need to override [Element.computeType] because our |
10 * optimizers may look at its declared type. | 10 * optimizers may look at its declared type. |
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310 // constructor call the constructor with `null`. | 310 // constructor call the constructor with `null`. |
311 HParameterValue value = | 311 HParameterValue value = |
312 new HParameterValue(parameter, new TypeMask.exact(cls)); | 312 new HParameterValue(parameter, new TypeMask.exact(cls)); |
313 builder.graph.explicitReceiverParameter = value; | 313 builder.graph.explicitReceiverParameter = value; |
314 builder.graph.entry.addAtEntry(value); | 314 builder.graph.entry.addAtEntry(value); |
315 } | 315 } |
316 } | 316 } |
317 | 317 |
318 /** | 318 /** |
319 * Returns true if the local can be accessed directly. Boxed variables or | 319 * Returns true if the local can be accessed directly. Boxed variables or |
320 * captured variables that are stored in the closure-field return [false]. | 320 * captured variables that are stored in the closure-field return [:false:]. |
321 */ | 321 */ |
322 bool isAccessedDirectly(Element element) { | 322 bool isAccessedDirectly(Element element) { |
323 assert(element != null); | 323 assert(element != null); |
324 return redirectionMapping[element] == null | 324 return redirectionMapping[element] == null |
325 && !closureData.usedVariablesInTry.contains(element); | 325 && !closureData.usedVariablesInTry.contains(element); |
326 } | 326 } |
327 | 327 |
328 bool isStoredInClosureField(Element element) { | 328 bool isStoredInClosureField(Element element) { |
329 assert(element != null); | 329 assert(element != null); |
330 if (isAccessedDirectly(element)) return false; | 330 if (isAccessedDirectly(element)) return false; |
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6405 DartType unaliased = type.unalias(builder.compiler); | 6405 DartType unaliased = type.unalias(builder.compiler); |
6406 if (unaliased is TypedefType) throw 'unable to unalias $type'; | 6406 if (unaliased is TypedefType) throw 'unable to unalias $type'; |
6407 unaliased.accept(this, builder); | 6407 unaliased.accept(this, builder); |
6408 } | 6408 } |
6409 | 6409 |
6410 void visitDynamicType(DynamicType type, SsaFromAstMixin builder) { | 6410 void visitDynamicType(DynamicType type, SsaFromAstMixin builder) { |
6411 ClassElement cls = builder.compiler.findHelper('DynamicRuntimeType'); | 6411 ClassElement cls = builder.compiler.findHelper('DynamicRuntimeType'); |
6412 builder.push(new HDynamicType(type, new TypeMask.exact(cls))); | 6412 builder.push(new HDynamicType(type, new TypeMask.exact(cls))); |
6413 } | 6413 } |
6414 } | 6414 } |
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