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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 compiler.src.inferrer.closure_tracer; | 5 library compiler.src.inferrer.closure_tracer; |
6 | 6 |
7 import '../common/names.dart' show Names; | 7 import '../common/names.dart' show Names; |
8 import '../elements/elements.dart'; | 8 import '../elements/elements.dart'; |
9 import '../js_backend/backend_helpers.dart'; | 9 import '../js_backend/backend.dart' show JavaScriptBackend; |
10 import '../types/types.dart' show TypeMask; | 10 import '../types/types.dart' show TypeMask; |
11 import '../universe/selector.dart' show Selector; | 11 import '../universe/selector.dart' show Selector; |
12 import 'debug.dart' as debug; | 12 import 'debug.dart' as debug; |
13 import 'inferrer_engine.dart'; | 13 import 'inferrer_engine.dart'; |
14 import 'node_tracer.dart'; | 14 import 'node_tracer.dart'; |
15 import 'type_graph_nodes.dart'; | 15 import 'type_graph_nodes.dart'; |
16 | 16 |
17 class ClosureTracerVisitor extends TracerVisitor { | 17 class ClosureTracerVisitor extends TracerVisitor { |
18 final Iterable<FunctionElement> tracedElements; | 18 final Iterable<FunctionElement> tracedElements; |
19 final List<CallSiteTypeInformation> _callsToAnalyze = | 19 final List<CallSiteTypeInformation> _callsToAnalyze = |
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72 bailout('Passed to a closure'); | 72 bailout('Passed to a closure'); |
73 } | 73 } |
74 } | 74 } |
75 | 75 |
76 @override | 76 @override |
77 visitStaticCallSiteTypeInformation(StaticCallSiteTypeInformation info) { | 77 visitStaticCallSiteTypeInformation(StaticCallSiteTypeInformation info) { |
78 super.visitStaticCallSiteTypeInformation(info); | 78 super.visitStaticCallSiteTypeInformation(info); |
79 Element called = info.calledElement; | 79 Element called = info.calledElement; |
80 if (compiler.backend.isForeign(called)) { | 80 if (compiler.backend.isForeign(called)) { |
81 String name = called.name; | 81 String name = called.name; |
82 if (name == BackendHelpers.JS || name == 'DART_CLOSURE_TO_JS') { | 82 if (name == JavaScriptBackend.JS || name == 'DART_CLOSURE_TO_JS') { |
83 bailout('Used in JS ${info.call}'); | 83 bailout('Used in JS ${info.call}'); |
84 } | 84 } |
85 } | 85 } |
86 if (called.isGetter && | 86 if (called.isGetter && |
87 info.selector != null && | 87 info.selector != null && |
88 info.selector.isCall && | 88 info.selector.isCall && |
89 inferrer.types.getInferredTypeOf(called) == currentUser) { | 89 inferrer.types.getInferredTypeOf(called) == currentUser) { |
90 // This node can be a closure call as well. For example, `foo()` | 90 // This node can be a closure call as well. For example, `foo()` |
91 // where `foo` is a getter. | 91 // where `foo` is a getter. |
92 _registerCallForLaterAnalysis(info); | 92 _registerCallForLaterAnalysis(info); |
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135 @override | 135 @override |
136 visitStaticCallSiteTypeInformation(StaticCallSiteTypeInformation info) { | 136 visitStaticCallSiteTypeInformation(StaticCallSiteTypeInformation info) { |
137 super.visitStaticCallSiteTypeInformation(info); | 137 super.visitStaticCallSiteTypeInformation(info); |
138 if (info.calledElement == tracedElements.first && | 138 if (info.calledElement == tracedElements.first && |
139 info.selector != null && | 139 info.selector != null && |
140 info.selector.isGetter) { | 140 info.selector.isGetter) { |
141 addNewEscapeInformation(info); | 141 addNewEscapeInformation(info); |
142 } | 142 } |
143 } | 143 } |
144 } | 144 } |
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