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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.program_builder; | 5 library dart2js.js_emitter.program_builder; |
| 6 | 6 |
| 7 import 'js_emitter.dart' show computeMixinClass; | 7 import 'js_emitter.dart' show computeMixinClass; |
| 8 import 'model.dart'; | 8 import 'model.dart'; |
| 9 | 9 |
| 10 import '../common.dart'; | 10 import '../common.dart'; |
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| 195 backend.constants.getStaticNonFinalFieldsForEmission(); | 195 backend.constants.getStaticNonFinalFieldsForEmission(); |
| 196 return Elements.sortedByPosition(staticNonFinalFields) | 196 return Elements.sortedByPosition(staticNonFinalFields) |
| 197 .map(_buildStaticField) | 197 .map(_buildStaticField) |
| 198 .toList(growable: false); | 198 .toList(growable: false); |
| 199 } | 199 } |
| 200 | 200 |
| 201 StaticField _buildStaticField(Element element) { | 201 StaticField _buildStaticField(Element element) { |
| 202 JavaScriptConstantCompiler handler = backend.constants; | 202 JavaScriptConstantCompiler handler = backend.constants; |
| 203 ConstantValue initialValue = handler.getInitialValueFor(element).value; | 203 ConstantValue initialValue = handler.getInitialValueFor(element).value; |
| 204 js.Expression code = _task.emitter.constantReference(initialValue); | 204 js.Expression code = _task.emitter.constantReference(initialValue); |
| 205 String name = namer.globalPropertyName(element); | 205 String name = namer.getNameOfGlobalField(element); |
| 206 bool isFinal = false; | 206 bool isFinal = false; |
| 207 bool isLazy = false; | 207 bool isLazy = false; |
| 208 return new StaticField(element, | 208 return new StaticField(element, |
| 209 name, _registry.registerHolder(r'$'), code, | 209 name, _registry.registerHolder(r'$'), code, |
| 210 isFinal, isLazy); | 210 isFinal, isLazy); |
| 211 } | 211 } |
| 212 | 212 |
| 213 List<StaticField> _buildStaticLazilyInitializedFields( | 213 List<StaticField> _buildStaticLazilyInitializedFields( |
| 214 LibrariesMap librariesMap) { | 214 LibrariesMap librariesMap) { |
| 215 // TODO(floitsch): lazy fields should just be in their respective | 215 // TODO(floitsch): lazy fields should just be in their respective |
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| 227 .toList(growable: false); | 227 .toList(growable: false); |
| 228 } | 228 } |
| 229 | 229 |
| 230 StaticField _buildLazyField(Element element) { | 230 StaticField _buildLazyField(Element element) { |
| 231 js.Expression code = backend.generatedCode[element]; | 231 js.Expression code = backend.generatedCode[element]; |
| 232 // The code is null if we ended up not needing the lazily | 232 // The code is null if we ended up not needing the lazily |
| 233 // initialized field after all because of constant folding | 233 // initialized field after all because of constant folding |
| 234 // before code generation. | 234 // before code generation. |
| 235 if (code == null) return null; | 235 if (code == null) return null; |
| 236 | 236 |
| 237 String name = namer.globalPropertyName(element); | 237 String name = namer.getNameOfGlobalField(element); |
| 238 bool isFinal = element.isFinal; | 238 bool isFinal = element.isFinal; |
| 239 bool isLazy = true; | 239 bool isLazy = true; |
| 240 return new StaticField(element, | 240 return new StaticField(element, |
| 241 name, _registry.registerHolder(r'$'), code, | 241 name, _registry.registerHolder(r'$'), code, |
| 242 isFinal, isLazy); | 242 isFinal, isLazy); |
| 243 } | 243 } |
| 244 | 244 |
| 245 List<Library> _buildLibraries(LibrariesMap librariesMap) { | 245 List<Library> _buildLibraries(LibrariesMap librariesMap) { |
| 246 List<Library> libraries = new List<Library>(librariesMap.length); | 246 List<Library> libraries = new List<Library>(librariesMap.length); |
| 247 int count = 0; | 247 int count = 0; |
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| 280 staticFieldsForReflection); | 280 staticFieldsForReflection); |
| 281 } | 281 } |
| 282 | 282 |
| 283 /// HACK for Incremental Compilation. | 283 /// HACK for Incremental Compilation. |
| 284 /// | 284 /// |
| 285 /// Returns a class that contains the fields of a class. | 285 /// Returns a class that contains the fields of a class. |
| 286 Class buildFieldsHackForIncrementalCompilation(ClassElement element) { | 286 Class buildFieldsHackForIncrementalCompilation(ClassElement element) { |
| 287 assert(_compiler.hasIncrementalSupport); | 287 assert(_compiler.hasIncrementalSupport); |
| 288 | 288 |
| 289 List<Field> instanceFields = _buildFields(element, false); | 289 List<Field> instanceFields = _buildFields(element, false); |
| 290 String name = namer.className(element); | 290 String name = namer.getNameOfClass(element); |
| 291 | 291 |
| 292 return new Class( | 292 return new Class( |
| 293 element, name, null, [], instanceFields, [], [], [], [], null, | 293 element, name, null, [], instanceFields, [], [], [], [], null, |
| 294 isDirectlyInstantiated: true, | 294 isDirectlyInstantiated: true, |
| 295 onlyForRti: false, | 295 onlyForRti: false, |
| 296 isNative: element.isNative); | 296 isNative: element.isNative); |
| 297 } | 297 } |
| 298 | 298 |
| 299 Class _buildClass(ClassElement element) { | 299 Class _buildClass(ClassElement element) { |
| 300 bool onlyForRti = _task.typeTestRegistry.rtiNeededClasses.contains(element); | 300 bool onlyForRti = _task.typeTestRegistry.rtiNeededClasses.contains(element); |
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| 358 TypeTestProperties typeTests = | 358 TypeTestProperties typeTests = |
| 359 generator.generateIsTests( | 359 generator.generateIsTests( |
| 360 element, | 360 element, |
| 361 storeFunctionTypeInMetadata: _storeFunctionTypesInMetadata); | 361 storeFunctionTypeInMetadata: _storeFunctionTypesInMetadata); |
| 362 | 362 |
| 363 List<StubMethod> isChecks = <StubMethod>[]; | 363 List<StubMethod> isChecks = <StubMethod>[]; |
| 364 typeTests.properties.forEach((String name, js.Node code) { | 364 typeTests.properties.forEach((String name, js.Node code) { |
| 365 isChecks.add(_buildStubMethod(name, code)); | 365 isChecks.add(_buildStubMethod(name, code)); |
| 366 }); | 366 }); |
| 367 | 367 |
| 368 String name = namer.className(element); | 368 String name = namer.getNameOfClass(element); |
| 369 String holderName = namer.globalObjectFor(element); | 369 String holderName = namer.globalObjectFor(element); |
| 370 Holder holder = _registry.registerHolder(holderName); | 370 Holder holder = _registry.registerHolder(holderName); |
| 371 bool isInstantiated = | 371 bool isInstantiated = |
| 372 _compiler.codegenWorld.directlyInstantiatedClasses.contains(element); | 372 _compiler.codegenWorld.directlyInstantiatedClasses.contains(element); |
| 373 | 373 |
| 374 Class result; | 374 Class result; |
| 375 if (element.isMixinApplication && !onlyForRti) { | 375 if (element.isMixinApplication && !onlyForRti) { |
| 376 assert(!element.isNative); | 376 assert(!element.isNative); |
| 377 assert(methods.isEmpty); | 377 assert(methods.isEmpty); |
| 378 | 378 |
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| 421 Method buildMethodHackForIncrementalCompilation(FunctionElement element) { | 421 Method buildMethodHackForIncrementalCompilation(FunctionElement element) { |
| 422 assert(_compiler.hasIncrementalSupport); | 422 assert(_compiler.hasIncrementalSupport); |
| 423 if (element.isInstanceMember) { | 423 if (element.isInstanceMember) { |
| 424 return _buildMethod(element); | 424 return _buildMethod(element); |
| 425 } else { | 425 } else { |
| 426 return _buildStaticMethod(element); | 426 return _buildStaticMethod(element); |
| 427 } | 427 } |
| 428 } | 428 } |
| 429 | 429 |
| 430 DartMethod _buildMethod(FunctionElement element) { | 430 DartMethod _buildMethod(FunctionElement element) { |
| 431 String name = namer.methodPropertyName(element); | 431 String name = namer.getNameOfInstanceMember(element); |
| 432 js.Expression code = backend.generatedCode[element]; | 432 js.Expression code = backend.generatedCode[element]; |
| 433 | 433 |
| 434 // TODO(kasperl): Figure out under which conditions code is null. | 434 // TODO(kasperl): Figure out under which conditions code is null. |
| 435 if (code == null) return null; | 435 if (code == null) return null; |
| 436 | 436 |
| 437 bool canTearOff = false; | 437 bool canTearOff = false; |
| 438 String tearOffName; | 438 String tearOffName; |
| 439 bool isClosure = false; | 439 bool isClosure = false; |
| 440 bool isNotApplyTarget = !element.isFunction || element.isAccessor; | 440 bool isNotApplyTarget = !element.isFunction || element.isAccessor; |
| 441 | 441 |
| 442 bool canBeReflected = _methodCanBeReflected(element); | 442 bool canBeReflected = _methodCanBeReflected(element); |
| 443 bool needsStubs = _methodNeedsStubs(element); | 443 bool needsStubs = _methodNeedsStubs(element); |
| 444 bool canBeApplied = _methodCanBeApplied(element); | 444 bool canBeApplied = _methodCanBeApplied(element); |
| 445 | 445 |
| 446 String aliasName = backend.isAliasedSuperMember(element) | 446 String aliasName = backend.isAliasedSuperMember(element) |
| 447 ? namer.aliasedSuperMemberPropertyName(element) | 447 ? namer.getNameOfAliasedSuperMember(element) |
| 448 : null; | 448 : null; |
| 449 | 449 |
| 450 if (isNotApplyTarget) { | 450 if (isNotApplyTarget) { |
| 451 canTearOff = false; | 451 canTearOff = false; |
| 452 } else { | 452 } else { |
| 453 if (element.enclosingClass.isClosure) { | 453 if (element.enclosingClass.isClosure) { |
| 454 canTearOff = false; | 454 canTearOff = false; |
| 455 isClosure = true; | 455 isClosure = true; |
| 456 } else { | 456 } else { |
| 457 // Careful with operators. | 457 // Careful with operators. |
| 458 canTearOff = universe.hasInvokedGetter(element, _compiler.world) || | 458 canTearOff = universe.hasInvokedGetter(element, _compiler.world) || |
| 459 (canBeReflected && !element.isOperator); | 459 (canBeReflected && !element.isOperator); |
| 460 assert(canTearOff || | 460 assert(canTearOff || |
| 461 !universe.methodsNeedingSuperGetter.contains(element)); | 461 !universe.methodsNeedingSuperGetter.contains(element)); |
| 462 tearOffName = namer.getterForElement(element); | 462 tearOffName = namer.getterName(element); |
| 463 } | 463 } |
| 464 } | 464 } |
| 465 | 465 |
| 466 if (canTearOff) { | 466 if (canTearOff) { |
| 467 assert(invariant(element, !element.isGenerativeConstructor)); | 467 assert(invariant(element, !element.isGenerativeConstructor)); |
| 468 assert(invariant(element, !element.isGenerativeConstructorBody)); | 468 assert(invariant(element, !element.isGenerativeConstructorBody)); |
| 469 assert(invariant(element, !element.isConstructor)); | 469 assert(invariant(element, !element.isConstructor)); |
| 470 } | 470 } |
| 471 | 471 |
| 472 String callName = null; | 472 String callName = null; |
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| 598 Holder holder = _registry.registerHolder(holderName); | 598 Holder holder = _registry.registerHolder(holderName); |
| 599 | 599 |
| 600 List<String> names = backend.oneShotInterceptors.keys.toList()..sort(); | 600 List<String> names = backend.oneShotInterceptors.keys.toList()..sort(); |
| 601 return names.map((String name) { | 601 return names.map((String name) { |
| 602 js.Expression code = stubGenerator.generateOneShotInterceptor(name); | 602 js.Expression code = stubGenerator.generateOneShotInterceptor(name); |
| 603 return new StaticStubMethod(name, holder, code); | 603 return new StaticStubMethod(name, holder, code); |
| 604 }); | 604 }); |
| 605 } | 605 } |
| 606 | 606 |
| 607 StaticDartMethod _buildStaticMethod(FunctionElement element) { | 607 StaticDartMethod _buildStaticMethod(FunctionElement element) { |
| 608 String name = namer.methodPropertyName(element); | 608 String name = namer.getNameOfMember(element); |
| 609 String holder = namer.globalObjectFor(element); | 609 String holder = namer.globalObjectFor(element); |
| 610 js.Expression code = backend.generatedCode[element]; | 610 js.Expression code = backend.generatedCode[element]; |
| 611 | 611 |
| 612 bool isApplyTarget = !element.isConstructor && !element.isAccessor; | 612 bool isApplyTarget = !element.isConstructor && !element.isAccessor; |
| 613 bool canBeApplied = _methodCanBeApplied(element); | 613 bool canBeApplied = _methodCanBeApplied(element); |
| 614 bool canBeReflected = _methodCanBeReflected(element); | 614 bool canBeReflected = _methodCanBeReflected(element); |
| 615 | 615 |
| 616 bool needsTearOff = isApplyTarget && | 616 bool needsTearOff = isApplyTarget && |
| 617 (canBeReflected || | 617 (canBeReflected || |
| 618 universe.staticFunctionsNeedingGetter.contains(element)); | 618 universe.staticFunctionsNeedingGetter.contains(element)); |
| 619 | 619 |
| 620 String tearOffName = | 620 String tearOffName = |
| 621 needsTearOff ? namer.staticClosureName(element) : null; | 621 needsTearOff ? namer.getStaticClosureName(element) : null; |
| 622 | 622 |
| 623 String callName = null; | 623 String callName = null; |
| 624 if (needsTearOff) { | 624 if (needsTearOff) { |
| 625 Selector callSelector = | 625 Selector callSelector = |
| 626 new Selector.fromElement(element).toCallSelector(); | 626 new Selector.fromElement(element).toCallSelector(); |
| 627 callName = namer.invocationName(callSelector); | 627 callName = namer.invocationName(callSelector); |
| 628 } | 628 } |
| 629 | 629 |
| 630 return new StaticDartMethod(element, | 630 return new StaticDartMethod(element, |
| 631 name, _registry.registerHolder(holder), code, | 631 name, _registry.registerHolder(holder), code, |
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| 645 _registry.registerConstant(outputUnit, constantValue); | 645 _registry.registerConstant(outputUnit, constantValue); |
| 646 assert(!_constants.containsKey(constantValue)); | 646 assert(!_constants.containsKey(constantValue)); |
| 647 String name = namer.constantName(constantValue); | 647 String name = namer.constantName(constantValue); |
| 648 String constantObject = namer.globalObjectForConstant(constantValue); | 648 String constantObject = namer.globalObjectForConstant(constantValue); |
| 649 Holder holder = _registry.registerHolder(constantObject); | 649 Holder holder = _registry.registerHolder(constantObject); |
| 650 Constant constant = new Constant(name, holder, constantValue); | 650 Constant constant = new Constant(name, holder, constantValue); |
| 651 _constants[constantValue] = constant; | 651 _constants[constantValue] = constant; |
| 652 } | 652 } |
| 653 } | 653 } |
| 654 } | 654 } |
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