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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 js_backend; | 5 part of js_backend; |
6 | 6 |
7 class ConstantEmitter implements ConstantVisitor { | 7 class ConstantEmitter implements ConstantVisitor { |
8 final Compiler compiler; | 8 final Compiler compiler; |
9 final Namer namer; | 9 final Namer namer; |
10 | 10 |
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189 includeBackendMembers: true, | 189 includeBackendMembers: true, |
190 includeSuperMembers: true); | 190 includeSuperMembers: true); |
191 if ((constant.protoValue == null && emittedArgumentCount != 3) || | 191 if ((constant.protoValue == null && emittedArgumentCount != 3) || |
192 (constant.protoValue != null && emittedArgumentCount != 4)) { | 192 (constant.protoValue != null && emittedArgumentCount != 4)) { |
193 badFieldCountError(); | 193 badFieldCountError(); |
194 } | 194 } |
195 buffer.add(")"); | 195 buffer.add(")"); |
196 } | 196 } |
197 } | 197 } |
198 | 198 |
199 void visitType(TypeConstant constant) { | |
200 if (shouldEmitCanonicalVersion) { | |
201 emitCanonicalVersion(constant); | |
202 } else { | |
203 SourceString helperSourceName = | |
204 const SourceString('createRuntimeType'); | |
205 Element helper = compiler.findHelper(helperSourceName); | |
206 JavaScriptBackend backend = compiler.backend; | |
207 String helperName = backend.namer.getName(helper); | |
208 DartType type = constant.representedType; | |
209 Element element = type.element; | |
210 String typeName; | |
211 if (type.kind == TypeKind.INTERFACE) { | |
212 typeName = backend.rti.generateRuntimeTypeString(element, 0); | |
213 } else { | |
214 assert(type.kind == TypeKind.TYPEDEF); | |
215 typeName = element.name.slowToString(); | |
floitsch
2012/11/20 16:25:43
Discuss with Erik if (and potentially how) this sh
| |
216 } | |
217 buffer.add("${namer.CURRENT_ISOLATE}.$helperName('$typeName')"); | |
218 } | |
219 } | |
220 | |
199 void visitConstructed(ConstructedConstant constant) { | 221 void visitConstructed(ConstructedConstant constant) { |
200 if (shouldEmitCanonicalVersion) { | 222 if (shouldEmitCanonicalVersion) { |
201 emitCanonicalVersion(constant); | 223 emitCanonicalVersion(constant); |
202 } else { | 224 } else { |
203 shouldEmitCanonicalVersion = true; | 225 shouldEmitCanonicalVersion = true; |
204 | 226 |
205 buffer.add("new "); | 227 buffer.add("new "); |
206 buffer.add(getJsConstructor(constant.type.element)); | 228 buffer.add(getJsConstructor(constant.type.element)); |
207 buffer.add("("); | 229 buffer.add("("); |
208 for (int i = 0; i < constant.fields.length; i++) { | 230 for (int i = 0; i < constant.fields.length; i++) { |
209 if (i != 0) buffer.add(", "); | 231 if (i != 0) buffer.add(", "); |
210 _visit(constant.fields[i]); | 232 _visit(constant.fields[i]); |
211 } | 233 } |
212 buffer.add(")"); | 234 buffer.add(")"); |
213 } | 235 } |
214 } | 236 } |
215 } | 237 } |
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