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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.new_js_emitter.emitter; | 5 library dart2js.new_js_emitter.emitter; |
6 | 6 |
7 import 'package:js_runtime/shared/embedded_names.dart' show | 7 import 'package:js_runtime/shared/embedded_names.dart' show |
8 JsBuiltin, | 8 JsBuiltin, |
9 METADATA, | 9 METADATA, |
10 TYPES; | 10 TYPES; |
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125 | 125 |
126 @override | 126 @override |
127 js.Expression typeAccess(Element element) { | 127 js.Expression typeAccess(Element element) { |
128 // TODO(floitsch): minify 'ensureResolved'. | 128 // TODO(floitsch): minify 'ensureResolved'. |
129 // TODO(floitsch): don't emit `ensureResolved` for eager classes. | 129 // TODO(floitsch): don't emit `ensureResolved` for eager classes. |
130 return js.js('#.ensureResolved()', _globalPropertyAccess(element)); | 130 return js.js('#.ensureResolved()', _globalPropertyAccess(element)); |
131 } | 131 } |
132 | 132 |
133 @override | 133 @override |
134 js.Template templateForBuiltin(JsBuiltin builtin) { | 134 js.Template templateForBuiltin(JsBuiltin builtin) { |
135 String typeNameProperty = ModelEmitter.typeNameProperty; | |
136 | |
137 switch (builtin) { | 135 switch (builtin) { |
138 case JsBuiltin.dartObjectConstructor: | 136 case JsBuiltin.dartObjectConstructor: |
139 return js.js.expressionTemplateYielding( | 137 return js.js.expressionTemplateYielding( |
140 typeAccess(_compiler.objectClass)); | 138 typeAccess(_compiler.objectClass)); |
141 | 139 |
142 case JsBuiltin.isCheckPropertyToJsConstructorName: | 140 case JsBuiltin.isCheckPropertyToJsConstructorName: |
143 int isPrefixLength = namer.operatorIsPrefix.length; | 141 int isPrefixLength = namer.operatorIsPrefix.length; |
144 return js.js.expressionTemplateFor('#.substring($isPrefixLength)'); | 142 return js.js.expressionTemplateFor('#.substring($isPrefixLength)'); |
145 | 143 |
146 case JsBuiltin.isFunctionType: | 144 case JsBuiltin.isFunctionType: |
147 return _backend.rti.representationGenerator.templateForIsFunctionType; | 145 return _backend.rti.representationGenerator.templateForIsFunctionType; |
148 | 146 |
149 case JsBuiltin.rawRtiToJsConstructorName: | 147 case JsBuiltin.rawRtiToJsConstructorName: |
150 return js.js.expressionTemplateFor("#.$typeNameProperty"); | 148 return js.js.expressionTemplateFor("#.name"); |
151 | 149 |
152 case JsBuiltin.rawRuntimeType: | 150 case JsBuiltin.rawRuntimeType: |
153 return js.js.expressionTemplateFor("#.constructor"); | 151 return js.js.expressionTemplateFor("#.constructor"); |
154 | 152 |
155 case JsBuiltin.createFunctionTypeRti: | 153 case JsBuiltin.createFunctionTypeRti: |
156 return _backend.rti.representationGenerator | 154 return _backend.rti.representationGenerator |
157 .templateForCreateFunctionType; | 155 .templateForCreateFunctionType; |
158 | 156 |
159 case JsBuiltin.isSubtype: | 157 case JsBuiltin.isSubtype: |
160 // TODO(floitsch): move this closer to where is-check properties are | 158 // TODO(floitsch): move this closer to where is-check properties are |
161 // built. | 159 // built. |
162 String isPrefix = namer.operatorIsPrefix; | 160 String isPrefix = namer.operatorIsPrefix; |
163 return js.js.expressionTemplateFor("('$isPrefix' + #) in #.prototype"); | 161 return js.js.expressionTemplateFor("('$isPrefix' + #) in #.prototype"); |
164 | 162 |
165 case JsBuiltin.isGivenTypeRti: | 163 case JsBuiltin.isGivenTypeRti: |
166 return js.js.expressionTemplateFor('#.$typeNameProperty === #'); | 164 return js.js.expressionTemplateFor('#.name === #'); |
167 | 165 |
168 case JsBuiltin.getMetadata: | 166 case JsBuiltin.getMetadata: |
169 return _emitter.templateForReadMetadata; | 167 return _emitter.templateForReadMetadata; |
170 | 168 |
171 case JsBuiltin.getType: | 169 case JsBuiltin.getType: |
172 return _emitter.templateForReadType; | 170 return _emitter.templateForReadType; |
173 | 171 |
174 default: | 172 default: |
175 _compiler.internalError(NO_LOCATION_SPANNABLE, | 173 _compiler.internalError(NO_LOCATION_SPANNABLE, |
176 "Unhandled Builtin: $builtin"); | 174 "Unhandled Builtin: $builtin"); |
177 return null; | 175 return null; |
178 } | 176 } |
179 } | 177 } |
180 | 178 |
181 @override | 179 @override |
182 void invalidateCaches() { | 180 void invalidateCaches() { |
183 } | 181 } |
184 } | 182 } |
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