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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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