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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 library dart2js.js_emitter.lazy_emitter; | 5 library dart2js.js_emitter.lazy_emitter; |
6 | 6 |
7 import 'package:js_runtime/shared/embedded_names.dart' show | 7 import 'package:js_runtime/shared/embedded_names.dart' |
8 JsBuiltin, | 8 show JsBuiltin, METADATA, TYPES; |
9 METADATA, | |
10 TYPES; | |
11 | 9 |
12 import '../../common.dart'; | 10 import '../../common.dart'; |
13 import '../../compiler.dart' show | 11 import '../../compiler.dart' show Compiler; |
14 Compiler; | 12 import '../../constants/values.dart' show ConstantValue; |
15 import '../../constants/values.dart' show | 13 import '../../elements/elements.dart' |
16 ConstantValue; | 14 show ClassElement, Element, FieldElement, FunctionElement; |
17 import '../../elements/elements.dart' show | |
18 ClassElement, | |
19 Element, | |
20 FieldElement, | |
21 FunctionElement; | |
22 import '../../js/js.dart' as js; | 15 import '../../js/js.dart' as js; |
23 import '../../js_backend/js_backend.dart' show | 16 import '../../js_backend/js_backend.dart' show JavaScriptBackend, Namer; |
24 JavaScriptBackend, | |
25 Namer; | |
26 | 17 |
27 import '../js_emitter.dart' show | 18 import '../js_emitter.dart' show NativeEmitter; |
28 NativeEmitter; | 19 import '../js_emitter.dart' as emitterTask show Emitter; |
29 import '../js_emitter.dart' as emitterTask show | |
30 Emitter; | |
31 import '../model.dart'; | 20 import '../model.dart'; |
32 import '../program_builder/program_builder.dart' show | 21 import '../program_builder/program_builder.dart' show ProgramBuilder; |
33 ProgramBuilder; | |
34 | 22 |
35 import 'model_emitter.dart'; | 23 import 'model_emitter.dart'; |
36 | 24 |
37 class Emitter implements emitterTask.Emitter { | 25 class Emitter implements emitterTask.Emitter { |
38 final Compiler _compiler; | 26 final Compiler _compiler; |
39 final Namer namer; | 27 final Namer namer; |
40 final ModelEmitter _emitter; | 28 final ModelEmitter _emitter; |
41 | 29 |
42 JavaScriptBackend get _backend => _compiler.backend; | 30 JavaScriptBackend get _backend => _compiler.backend; |
43 | 31 |
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90 | 78 |
91 js.PropertyAccess _globalPropertyAccess(Element element) { | 79 js.PropertyAccess _globalPropertyAccess(Element element) { |
92 js.Name name = namer.globalPropertyName(element); | 80 js.Name name = namer.globalPropertyName(element); |
93 js.PropertyAccess pa = new js.PropertyAccess( | 81 js.PropertyAccess pa = new js.PropertyAccess( |
94 new js.VariableUse(namer.globalObjectFor(element)), name); | 82 new js.VariableUse(namer.globalObjectFor(element)), name); |
95 return pa; | 83 return pa; |
96 } | 84 } |
97 | 85 |
98 @override | 86 @override |
99 js.Expression isolateLazyInitializerAccess(FieldElement element) { | 87 js.Expression isolateLazyInitializerAccess(FieldElement element) { |
100 return js.js('#.#', [namer.globalObjectFor(element), | 88 return js.js('#.#', |
101 namer.lazyInitializerName(element)]); | 89 [namer.globalObjectFor(element), namer.lazyInitializerName(element)]); |
102 } | 90 } |
103 | 91 |
104 @override | 92 @override |
105 js.Expression isolateStaticClosureAccess(FunctionElement element) { | 93 js.Expression isolateStaticClosureAccess(FunctionElement element) { |
106 return _emitter.generateStaticClosureAccess(element); | 94 return _emitter.generateStaticClosureAccess(element); |
107 } | 95 } |
108 | 96 |
109 @override | 97 @override |
110 js.PropertyAccess staticFieldAccess(FieldElement element) { | 98 js.PropertyAccess staticFieldAccess(FieldElement element) { |
111 return _globalPropertyAccess(element); | 99 return _globalPropertyAccess(element); |
112 } | 100 } |
113 | 101 |
114 @override | 102 @override |
115 js.PropertyAccess staticFunctionAccess(FunctionElement element) { | 103 js.PropertyAccess staticFunctionAccess(FunctionElement element) { |
116 return _globalPropertyAccess(element); | 104 return _globalPropertyAccess(element); |
117 } | 105 } |
118 | 106 |
119 @override | 107 @override |
120 js.PropertyAccess constructorAccess(ClassElement element) { | 108 js.PropertyAccess constructorAccess(ClassElement element) { |
121 return _globalPropertyAccess(element); | 109 return _globalPropertyAccess(element); |
122 } | 110 } |
123 | 111 |
124 @override | 112 @override |
125 js.PropertyAccess prototypeAccess(ClassElement element, | 113 js.PropertyAccess prototypeAccess( |
126 bool hasBeenInstantiated) { | 114 ClassElement element, bool hasBeenInstantiated) { |
127 js.Expression constructor = | 115 js.Expression constructor = |
128 hasBeenInstantiated ? constructorAccess(element) : typeAccess(element); | 116 hasBeenInstantiated ? constructorAccess(element) : typeAccess(element); |
129 return js.js('#.prototype', constructor); | 117 return js.js('#.prototype', constructor); |
130 } | 118 } |
131 | 119 |
132 @override | 120 @override |
133 js.Expression interceptorClassAccess(ClassElement element) { | 121 js.Expression interceptorClassAccess(ClassElement element) { |
134 // Some interceptors are eagerly constructed. However, native interceptors | 122 // Some interceptors are eagerly constructed. However, native interceptors |
135 // aren't. | 123 // aren't. |
136 return js.js('#.ensureResolved()', _globalPropertyAccess(element)); | 124 return js.js('#.ensureResolved()', _globalPropertyAccess(element)); |
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180 case JsBuiltin.getMetadata: | 168 case JsBuiltin.getMetadata: |
181 return _emitter.templateForReadMetadata; | 169 return _emitter.templateForReadMetadata; |
182 | 170 |
183 case JsBuiltin.getType: | 171 case JsBuiltin.getType: |
184 return _emitter.templateForReadType; | 172 return _emitter.templateForReadType; |
185 | 173 |
186 case JsBuiltin.createDartClosureFromNameOfStaticFunction: | 174 case JsBuiltin.createDartClosureFromNameOfStaticFunction: |
187 throw new UnsupportedError('createDartClosureFromNameOfStaticFunction'); | 175 throw new UnsupportedError('createDartClosureFromNameOfStaticFunction'); |
188 | 176 |
189 default: | 177 default: |
190 reporter.internalError(NO_LOCATION_SPANNABLE, | 178 reporter.internalError( |
191 "Unhandled Builtin: $builtin"); | 179 NO_LOCATION_SPANNABLE, "Unhandled Builtin: $builtin"); |
192 return null; | 180 return null; |
193 } | 181 } |
194 } | 182 } |
195 | 183 |
196 @override | 184 @override |
197 void invalidateCaches() { | 185 void invalidateCaches() {} |
198 } | |
199 } | 186 } |
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