| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:kernel/ast.dart'; |
| import 'package:kernel/class_hierarchy.dart'; |
| import 'package:kernel/transformations/flags.dart'; |
| import 'package:kernel/type_algebra.dart'; |
| import 'package:kernel/type_environment.dart'; |
| |
| import '../base/identifiers.dart'; |
| import '../base/local_scope.dart'; |
| import '../base/modifiers.dart'; |
| import '../base/name_space.dart'; |
| import '../base/problems.dart' show unexpected, unhandled; |
| import '../base/scope.dart'; |
| import '../builder/builder.dart'; |
| import '../builder/constructor_reference_builder.dart'; |
| import '../builder/declaration_builders.dart'; |
| import '../builder/formal_parameter_builder.dart'; |
| import '../builder/function_builder.dart'; |
| import '../builder/member_builder.dart'; |
| import '../builder/metadata_builder.dart'; |
| import '../builder/omitted_type_builder.dart'; |
| import '../builder/type_builder.dart'; |
| import '../codes/cfe_codes.dart'; |
| import '../dill/dill_extension_type_member_builder.dart'; |
| import '../dill/dill_member_builder.dart'; |
| import '../fragment/fragment.dart'; |
| import '../kernel/body_builder_context.dart'; |
| import '../kernel/constructor_tearoff_lowering.dart'; |
| import '../kernel/hierarchy/class_member.dart'; |
| import '../kernel/kernel_helper.dart'; |
| import '../kernel/type_algorithms.dart'; |
| import '../type_inference/inference_helper.dart'; |
| import '../type_inference/type_inferrer.dart'; |
| import '../type_inference/type_schema.dart'; |
| import 'name_scheme.dart'; |
| import 'redirecting_factory_body.dart'; |
| import 'source_class_builder.dart'; |
| import 'source_function_builder.dart'; |
| import 'source_library_builder.dart' show SourceLibraryBuilder; |
| import 'source_loader.dart' |
| show CompilationPhaseForProblemReporting, SourceLoader; |
| import 'source_member_builder.dart'; |
| |
| class SourceFactoryBuilder extends SourceMemberBuilderImpl |
| implements SourceFunctionBuilder { |
| final Modifiers modifiers; |
| |
| @override |
| final String name; |
| |
| @override |
| final SourceLibraryBuilder libraryBuilder; |
| |
| @override |
| final DeclarationBuilder declarationBuilder; |
| |
| @override |
| final bool isExtensionInstanceMember = false; |
| |
| SourceFactoryBuilder? _actualOrigin; |
| |
| List<SourceFactoryBuilder>? _augmentations; |
| |
| final MemberName _memberName; |
| |
| @override |
| final Uri fileUri; |
| |
| @override |
| final int fileOffset; |
| |
| final FactoryFragment _introductory; |
| |
| final _FactoryEncoding _encoding; |
| |
| SourceFactoryBuilder( |
| {required this.modifiers, |
| required TypeBuilder returnType, |
| required this.name, |
| required List<NominalParameterBuilder>? typeParameters, |
| required this.libraryBuilder, |
| required this.declarationBuilder, |
| required this.fileUri, |
| required this.fileOffset, |
| required Reference? procedureReference, |
| required Reference? tearOffReference, |
| required NameScheme nameScheme, |
| required FactoryFragment fragment}) |
| : _memberName = nameScheme.getDeclaredName(name), |
| _introductory = fragment, |
| _encoding = new _FactoryEncoding(fragment, |
| name: name, |
| libraryBuilder: libraryBuilder, |
| typeParameters: typeParameters, |
| returnType: returnType, |
| nameScheme: nameScheme, |
| procedureReference: procedureReference, |
| tearOffReference: tearOffReference); |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| List<MetadataBuilder>? get metadata => _introductory.metadata; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| List<NominalParameterBuilder>? get typeParameters => _encoding.typeParameters; |
| |
| @override |
| TypeBuilder get returnType => _encoding.returnType; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| List<FormalParameterBuilder>? get formals => _introductory.formals; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Iterable<MetadataBuilder>? get metadataForTesting => metadata; |
| |
| ConstructorReferenceBuilder? get redirectionTarget => |
| _introductory.redirectionTarget; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isAugmentation => modifiers.isAugment; |
| |
| @override |
| bool get isExternal => modifiers.isExternal; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isAbstract => modifiers.isAbstract; |
| |
| @override |
| bool get isConst => modifiers.isConst; |
| |
| @override |
| bool get isStatic => modifiers.isStatic; |
| |
| @override |
| bool get isAugment => modifiers.isAugment; |
| |
| @override |
| bool get isConstructor => false; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isAssignable => false; |
| |
| @override |
| FormalParameterBuilder? getFormal(Identifier identifier) => |
| _encoding.getFormal(identifier); |
| |
| void setBody(Statement value) { |
| _encoding.setBody(value); |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isNative => _encoding.isNative; |
| |
| @override |
| VariableDeclaration getFormalParameter(int index) => |
| _introductory.formals![index].variable!; |
| |
| @override |
| VariableDeclaration? get thisVariable => null; |
| |
| @override |
| List<TypeParameter>? get thisTypeParameters => null; |
| |
| @override |
| void becomeNative(SourceLoader loader) { |
| _encoding.becomeNative(loader); |
| } |
| |
| @override |
| Builder get parent => declarationBuilder; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Name get memberName => _memberName.name; |
| |
| // Coverage-ignore(suite): Not run. |
| List<SourceFactoryBuilder>? get augmentationsForTesting => _augmentations; |
| |
| void _setAsyncModifier(AsyncMarker newModifier) { |
| _encoding.asyncModifier = newModifier; |
| } |
| |
| @override |
| SourceFactoryBuilder get origin => _actualOrigin ?? this; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isRegularMethod => false; |
| |
| @override |
| bool get isGetter => false; |
| |
| @override |
| bool get isSetter => false; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isOperator => false; |
| |
| @override |
| bool get isFactory => true; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isProperty => false; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isFinal => false; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isSynthesized => false; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isEnumElement => false; |
| |
| Procedure get _procedure => |
| isAugmenting ? origin._procedure : _encoding.procedure; |
| |
| Procedure? get _tearOff => isAugmenting ? origin._tearOff : _encoding.tearOff; |
| |
| @override |
| FunctionNode get function => _encoding.function; |
| |
| @override |
| Member get readTarget => _tearOff ?? _procedure; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Reference get readTargetReference => readTarget.reference; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Member? get writeTarget => null; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Reference? get writeTargetReference => null; |
| |
| @override |
| Member? get invokeTarget => _procedure; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Reference? get invokeTargetReference => _procedure.reference; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| Iterable<Reference> get exportedMemberReferences => [_procedure.reference]; |
| |
| @override |
| VariableDeclaration? getTearOffParameter(int index) => |
| _encoding.getTearOffParameter(index); |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| List<ClassMember> get localMembers => |
| throw new UnsupportedError('${runtimeType}.localMembers'); |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| List<ClassMember> get localSetters => |
| throw new UnsupportedError('${runtimeType}.localSetters'); |
| |
| @override |
| void addAugmentation(Builder augmentation) { |
| _addAugmentation(augmentation); |
| } |
| |
| void _addAugmentation(Builder augmentation) { |
| if (augmentation is SourceFactoryBuilder) { |
| if (checkAugmentation( |
| augmentationLibraryBuilder: augmentation.libraryBuilder, |
| origin: this, |
| augmentation: augmentation)) { |
| augmentation._actualOrigin = this; |
| (_augmentations ??= []).add(augmentation); |
| } |
| } else { |
| // Coverage-ignore-block(suite): Not run. |
| reportAugmentationMismatch( |
| originLibraryBuilder: libraryBuilder, |
| origin: this, |
| augmentation: augmentation); |
| } |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| void applyAugmentation(Builder augmentation) { |
| _addAugmentation(augmentation); |
| } |
| |
| @override |
| int buildBodyNodes(BuildNodesCallback f) { |
| int count = 0; |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| count += augmentation.buildBodyNodes(f); |
| } |
| } |
| if (isAugmenting) { |
| _finishAugmentation(); |
| } |
| return count; |
| } |
| |
| @override |
| int computeDefaultTypes(ComputeDefaultTypeContext context, |
| {required bool inErrorRecovery}) { |
| int count = _encoding.computeDefaultTypes(context, |
| inErrorRecovery: inErrorRecovery); |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| count += augmentation.computeDefaultTypes(context, |
| inErrorRecovery: inErrorRecovery); |
| } |
| } |
| return count; |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| void checkVariance( |
| SourceClassBuilder sourceClassBuilder, TypeEnvironment typeEnvironment) {} |
| |
| @override |
| void checkTypes(SourceLibraryBuilder library, NameSpace nameSpace, |
| TypeEnvironment typeEnvironment) { |
| _encoding.checkTypes(library, nameSpace, typeEnvironment); |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| augmentation.checkTypes(library, nameSpace, typeEnvironment); |
| } |
| } |
| } |
| |
| bool _hasBeenCheckedAsRedirectingFactory = false; |
| |
| /// Checks the redirecting factories of this factory builder and its |
| /// augmentations. |
| void checkRedirectingFactories(TypeEnvironment typeEnvironment) { |
| if (_hasBeenCheckedAsRedirectingFactory) return; |
| _hasBeenCheckedAsRedirectingFactory = true; |
| |
| if (_introductory.redirectionTarget != null) { |
| _encoding.checkRedirectingFactory(typeEnvironment); |
| } |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| if (augmentation.redirectionTarget != null) { |
| augmentation.checkRedirectingFactories(typeEnvironment); |
| } |
| } |
| } |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| String get fullNameForErrors { |
| return "${declarationBuilder.name}" |
| "${name.isEmpty ? '' : '.$name'}"; |
| } |
| |
| // TODO(johnniwinther): Add annotations to tear-offs. |
| @override |
| Iterable<Annotatable> get annotatables => [_procedure]; |
| |
| /// Returns `true` if this member is augmented, either by being the origin |
| /// of a augmented member or by not being the last among augmentations. |
| bool get isAugmented { |
| if (isAugmenting) { |
| return origin._augmentations!.last != this; |
| } else { |
| return _augmentations != null; |
| } |
| } |
| |
| // Coverage-ignore(suite): Not run. |
| List<DartType>? get _redirectionTypeArguments => |
| _encoding.redirectionTypeArguments; |
| |
| // Coverage-ignore(suite): Not run. |
| void set _redirectionTypeArguments(List<DartType>? value) { |
| _encoding.redirectionTypeArguments = value; |
| } |
| |
| @override |
| void buildOutlineNodes(BuildNodesCallback f) { |
| _encoding.buildOutlineNodes(f); |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| augmentation.buildOutlineNodes(( |
| {required Member member, |
| Member? tearOff, |
| required BuiltMemberKind kind}) { |
| // Don't add augmentations. |
| }); |
| } |
| } |
| } |
| |
| bool _hasBuiltOutlineExpressions = false; |
| |
| @override |
| void buildOutlineExpressions(ClassHierarchy classHierarchy, |
| List<DelayedDefaultValueCloner> delayedDefaultValueCloners) { |
| if (_hasBuiltOutlineExpressions) return; |
| _hasBuiltOutlineExpressions = true; |
| |
| if (_introductory.redirectionTarget != null && isConst && isAugmenting) { |
| origin.buildOutlineExpressions( |
| classHierarchy, delayedDefaultValueCloners); |
| } |
| |
| _encoding.buildOutlineExpressions( |
| classHierarchy, delayedDefaultValueCloners); |
| |
| if (isConst && isAugmenting) { |
| _finishAugmentation(); |
| } |
| |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| augmentation.buildOutlineExpressions( |
| classHierarchy, delayedDefaultValueCloners); |
| } |
| } |
| } |
| |
| void _finishAugmentation() { |
| finishProcedureAugmentation(_procedure, _encoding.procedure); |
| |
| if (_encoding.tearOff != null) { |
| finishProcedureAugmentation(_tearOff!, _encoding.tearOff!); |
| } |
| |
| if (_introductory.redirectionTarget != null) { |
| if (origin.redirectionTarget != null) { |
| // Coverage-ignore-block(suite): Not run. |
| origin._redirectionTypeArguments = _redirectionTypeArguments; |
| } |
| } |
| } |
| |
| BodyBuilderContext createBodyBuilderContext() { |
| return new FactoryBodyBuilderContext(this, _procedure); |
| } |
| |
| void resolveRedirectingFactory() { |
| _encoding.resolveRedirectingFactory(); |
| |
| List<SourceFactoryBuilder>? augmentations = _augmentations; |
| if (augmentations != null) { |
| for (SourceFactoryBuilder augmentation in augmentations) { |
| augmentation.resolveRedirectingFactory(); |
| } |
| } |
| } |
| |
| void _setRedirectingFactoryBody(Member target, List<DartType> typeArguments) { |
| _encoding.setRedirectingFactoryBody(target, typeArguments); |
| } |
| } |
| |
| class FactoryBodyBuilderContext extends BodyBuilderContext { |
| final SourceFactoryBuilder _member; |
| |
| final Member _builtMember; |
| |
| FactoryBodyBuilderContext(this._member, this._builtMember) |
| : super(_member.libraryBuilder, _member.declarationBuilder, |
| isDeclarationInstanceMember: _member.isDeclarationInstanceMember); |
| |
| @override |
| VariableDeclaration getFormalParameter(int index) { |
| return _member.getFormalParameter(index); |
| } |
| |
| @override |
| VariableDeclaration? getTearOffParameter(int index) { |
| return _member.getTearOffParameter(index); |
| } |
| |
| @override |
| TypeBuilder get returnType => _member.returnType; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| List<FormalParameterBuilder>? get formals => _member.formals; |
| |
| @override |
| LocalScope computeFormalParameterInitializerScope(LocalScope parent) { |
| /// Initializer formals or super parameters cannot occur in getters so |
| /// we don't need to create a new scope. |
| return parent; |
| } |
| |
| @override |
| FormalParameterBuilder? getFormalParameterByName(Identifier name) { |
| return _member.getFormal(name); |
| } |
| |
| @override |
| int get memberNameLength => _member.name.length; |
| |
| @override |
| FunctionNode get function { |
| return _member.function; |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isFactory { |
| return _member.isFactory; |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| bool get isNativeMethod { |
| return _member.isNative; |
| } |
| |
| @override |
| bool get isExternalFunction { |
| return _member.isExternal; |
| } |
| |
| @override |
| bool get isSetter { |
| return _member.isSetter; |
| } |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| AugmentSuperTarget? get augmentSuperTarget { |
| if (_member.isAugmentation) { |
| return _member.augmentSuperTarget; |
| } |
| return null; |
| } |
| |
| @override |
| int get memberNameOffset => _member.fileOffset; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| void registerSuperCall() { |
| _builtMember.transformerFlags |= TransformerFlag.superCalls; |
| } |
| |
| @override |
| void registerFunctionBody(Statement body) { |
| _member.setBody(body); |
| } |
| |
| @override |
| void setAsyncModifier(AsyncMarker asyncModifier) { |
| _member._setAsyncModifier(asyncModifier); |
| } |
| |
| @override |
| bool get isRedirectingFactory => _member.redirectionTarget != null; |
| |
| @override |
| DartType get returnTypeContext { |
| return _member.function.returnType; |
| } |
| |
| @override |
| String get redirectingFactoryTargetName { |
| return _member.redirectionTarget!.fullNameForErrors; |
| } |
| } |
| |
| class _FactoryEncoding implements InferredTypeListener { |
| late final Procedure _procedureInternal; |
| late final Procedure? _factoryTearOff; |
| |
| final FactoryFragment _fragment; |
| |
| AsyncMarker _asyncModifier; |
| |
| final List<NominalParameterBuilder>? typeParameters; |
| |
| final TypeBuilder returnType; |
| |
| DelayedDefaultValueCloner? _delayedDefaultValueCloner; |
| |
| List<DartType>? _redirectionTypeArguments; |
| |
| FreshTypeParameters? _tearOffTypeParameters; |
| |
| _FactoryEncoding(this._fragment, |
| {required String name, |
| required SourceLibraryBuilder libraryBuilder, |
| required this.typeParameters, |
| required this.returnType, |
| required NameScheme nameScheme, |
| required Reference? procedureReference, |
| required Reference? tearOffReference}) |
| : _asyncModifier = _fragment.redirectionTarget != null |
| ? AsyncMarker.Sync |
| : _fragment.asyncModifier { |
| _procedureInternal = new Procedure( |
| dummyName, |
| nameScheme.isExtensionTypeMember |
| ? ProcedureKind.Method |
| : ProcedureKind.Factory, |
| new FunctionNode(null) |
| ..asyncMarker = _asyncModifier |
| ..dartAsyncMarker = _asyncModifier, |
| fileUri: _fragment.fileUri, |
| reference: procedureReference) |
| ..fileStartOffset = _fragment.startOffset |
| ..fileOffset = _fragment.fullNameOffset |
| ..fileEndOffset = _fragment.endOffset |
| ..isExtensionTypeMember = nameScheme.isExtensionTypeMember; |
| nameScheme |
| .getConstructorMemberName(name, isTearOff: false) |
| .attachMember(_procedureInternal); |
| _factoryTearOff = createFactoryTearOffProcedure( |
| nameScheme.getConstructorMemberName(name, isTearOff: true), |
| libraryBuilder, |
| _fragment.fileUri, |
| _fragment.fullNameOffset, |
| tearOffReference, |
| forceCreateLowering: nameScheme.isExtensionTypeMember) |
| ?..isExtensionTypeMember = nameScheme.isExtensionTypeMember; |
| returnType.registerInferredTypeListener(this); |
| } |
| |
| Procedure get procedure => _procedureInternal; |
| |
| Procedure? get tearOff => _factoryTearOff; |
| |
| @override |
| // Coverage-ignore(suite): Not run. |
| void onInferredType(DartType type) { |
| _procedureInternal.function.returnType = type; |
| } |
| |
| void set asyncModifier(AsyncMarker newModifier) { |
| _asyncModifier = newModifier; |
| _procedureInternal.function.asyncMarker = _asyncModifier; |
| _procedureInternal.function.dartAsyncMarker = _asyncModifier; |
| } |
| |
| List<DartType>? get redirectionTypeArguments { |
| assert(_fragment.redirectionTarget != null); |
| return _redirectionTypeArguments; |
| } |
| |
| void set redirectionTypeArguments(List<DartType>? value) { |
| assert(_fragment.redirectionTarget != null); |
| _redirectionTypeArguments = value; |
| } |
| |
| void buildOutlineNodes(BuildNodesCallback f) { |
| _procedureInternal.function.asyncMarker = _asyncModifier; |
| if (_fragment.redirectionTarget == null && |
| !_fragment.modifiers.isAbstract && |
| !_fragment.modifiers.isExternal) { |
| _procedureInternal.function.body = new EmptyStatement() |
| ..parent = _procedureInternal.function; |
| } |
| buildTypeParametersAndFormals(_fragment.builder.libraryBuilder, |
| _procedureInternal.function, typeParameters, _fragment.formals, |
| classTypeParameters: null, supportsTypeParameters: true); |
| if (returnType is! InferableTypeBuilder) { |
| _procedureInternal.function.returnType = returnType.build( |
| _fragment.builder.libraryBuilder, TypeUse.returnType); |
| } |
| _procedureInternal.function.fileOffset = _fragment.formalsOffset; |
| _procedureInternal.function.fileEndOffset = |
| _procedureInternal.fileEndOffset; |
| _procedureInternal.isAbstract = _fragment.modifiers.isAbstract; |
| _procedureInternal.isExternal = _fragment.modifiers.isExternal; |
| _procedureInternal.isConst = _fragment.modifiers.isConst; |
| _procedureInternal.isStatic = _fragment.modifiers.isStatic; |
| |
| if (_fragment.redirectionTarget != null) { |
| if (_fragment.redirectionTarget!.typeArguments != null) { |
| redirectionTypeArguments = new List<DartType>.generate( |
| _fragment.redirectionTarget!.typeArguments!.length, |
| (int i) => _fragment.redirectionTarget!.typeArguments![i].build( |
| _fragment.builder.libraryBuilder, |
| TypeUse.redirectionTypeArgument), |
| growable: false); |
| } |
| if (_factoryTearOff != null) { |
| _tearOffTypeParameters = |
| buildRedirectingFactoryTearOffProcedureParameters( |
| tearOff: _factoryTearOff, |
| implementationConstructor: _procedureInternal, |
| libraryBuilder: _fragment.builder.libraryBuilder); |
| } |
| } else { |
| if (_factoryTearOff != null) { |
| _delayedDefaultValueCloner = buildConstructorTearOffProcedure( |
| tearOff: _factoryTearOff, |
| declarationConstructor: _fragment.builder._procedure, |
| implementationConstructor: _procedureInternal, |
| libraryBuilder: _fragment.builder.libraryBuilder); |
| } |
| } |
| f( |
| member: _procedureInternal, |
| tearOff: _factoryTearOff, |
| kind: _fragment.builder.isExtensionTypeMember |
| ? (_fragment.redirectionTarget != null |
| ? BuiltMemberKind.ExtensionTypeRedirectingFactory |
| : BuiltMemberKind.ExtensionTypeFactory) |
| : (_fragment.redirectionTarget != null |
| ? BuiltMemberKind.RedirectingFactory |
| : BuiltMemberKind.Factory)); |
| } |
| |
| void buildOutlineExpressions(ClassHierarchy classHierarchy, |
| List<DelayedDefaultValueCloner> delayedDefaultValueCloners) { |
| _fragment.formals?.infer(classHierarchy); |
| |
| if (_delayedDefaultValueCloner != null) { |
| delayedDefaultValueCloners.add(_delayedDefaultValueCloner!); |
| } |
| |
| for (Annotatable annotatable in _fragment.builder.annotatables) { |
| MetadataBuilder.buildAnnotations( |
| annotatable, |
| _fragment.metadata, |
| _fragment.builder.createBodyBuilderContext(), |
| _fragment.builder.libraryBuilder, |
| _fragment.fileUri, |
| _fragment.enclosingScope, |
| createFileUriExpression: _fragment.builder.isAugmented); |
| } |
| if (typeParameters != null) { |
| for (int i = 0; i < typeParameters!.length; i++) { |
| typeParameters![i].buildOutlineExpressions( |
| _fragment.builder.libraryBuilder, |
| _fragment.builder.createBodyBuilderContext(), |
| classHierarchy, |
| _fragment.typeParameterScope); |
| } |
| } |
| |
| if (_fragment.formals != null) { |
| // For const constructors we need to include default parameter values |
| // into the outline. For all other formals we need to call |
| // buildOutlineExpressions to clear initializerToken to prevent |
| // consuming too much memory. |
| for (FormalParameterBuilder formal in _fragment.formals!) { |
| formal.buildOutlineExpressions(_fragment.builder.libraryBuilder, |
| _fragment.builder.declarationBuilder, |
| scope: _fragment.typeParameterScope, |
| buildDefaultValue: FormalParameterBuilder |
| .needsDefaultValuesBuiltAsOutlineExpressions( |
| _fragment.builder)); |
| } |
| } |
| |
| if (_fragment.redirectionTarget == null) { |
| return; |
| } |
| |
| RedirectingFactoryTarget? redirectingFactoryTarget = |
| _procedureInternal.function.redirectingFactoryTarget; |
| if (redirectingFactoryTarget == null) { |
| // The error is reported elsewhere. |
| return; |
| } |
| List<DartType>? typeArguments = redirectingFactoryTarget.typeArguments; |
| Member? target = redirectingFactoryTarget.target; |
| if (typeArguments != null && typeArguments.any((t) => t is UnknownType)) { |
| TypeInferrer inferrer = _fragment |
| .builder.libraryBuilder.loader.typeInferenceEngine |
| .createLocalTypeInferrer( |
| _fragment.fileUri, |
| _fragment.builder.declarationBuilder.thisType, |
| _fragment.builder.libraryBuilder, |
| _fragment.typeParameterScope, |
| null); |
| InferenceHelper helper = _fragment.builder.libraryBuilder.loader |
| .createBodyBuilderForOutlineExpression( |
| _fragment.builder.libraryBuilder, |
| _fragment.builder.createBodyBuilderContext(), |
| _fragment.enclosingScope, |
| _fragment.fileUri); |
| Builder? targetBuilder = _fragment.redirectionTarget!.target; |
| |
| if (targetBuilder is SourceMemberBuilder) { |
| // Ensure that target has been built. |
| targetBuilder.buildOutlineExpressions( |
| classHierarchy, delayedDefaultValueCloners); |
| } |
| if (targetBuilder is FunctionBuilder) { |
| target = targetBuilder.invokeTarget!; |
| } |
| // Coverage-ignore(suite): Not run. |
| else if (targetBuilder is DillMemberBuilder) { |
| target = targetBuilder.invokeTarget!; |
| } else { |
| unhandled("${targetBuilder.runtimeType}", "buildOutlineExpressions", |
| _fragment.fullNameOffset, _fragment.fileUri); |
| } |
| |
| typeArguments = inferrer.inferRedirectingFactoryTypeArguments( |
| helper, |
| _procedureInternal.function.returnType, |
| _fragment.builder._procedure.function, |
| _fragment.fullNameOffset, |
| target, |
| target.function!.computeFunctionType(Nullability.nonNullable)); |
| if (typeArguments == null) { |
| assert(_fragment.builder.libraryBuilder.loader |
| .assertProblemReportedElsewhere( |
| "RedirectingFactoryTarget.buildOutlineExpressions", |
| expectedPhase: CompilationPhaseForProblemReporting.outline)); |
| // Use 'dynamic' for recovery. |
| typeArguments = new List<DartType>.filled( |
| _fragment.builder.declarationBuilder.typeParametersCount, |
| const DynamicType(), |
| growable: true); |
| } |
| |
| _procedureInternal.function.body = createRedirectingFactoryBody( |
| target, typeArguments, _procedureInternal.function); |
| _procedureInternal.function.body!.parent = _procedureInternal.function; |
| _procedureInternal.function.redirectingFactoryTarget = |
| new RedirectingFactoryTarget(target, typeArguments); |
| } |
| |
| Set<Procedure> seenTargets = {}; |
| while (target is Procedure && target.isRedirectingFactory) { |
| if (!seenTargets.add(target)) { |
| // Cyclic dependency. |
| target = null; |
| break; |
| } |
| RedirectingFactoryTarget redirectingFactoryTarget = |
| target.function.redirectingFactoryTarget!; |
| if (typeArguments != null) { |
| Substitution substitution = Substitution.fromPairs( |
| target.function.typeParameters, typeArguments); |
| typeArguments = redirectingFactoryTarget.typeArguments |
| ?.map(substitution.substituteType) |
| .toList(); |
| } else { |
| // Coverage-ignore-block(suite): Not run. |
| typeArguments = redirectingFactoryTarget.typeArguments; |
| } |
| target = redirectingFactoryTarget.target; |
| } |
| |
| if (target is Constructor || |
| target is Procedure && |
| (target.isFactory || target.isExtensionTypeMember)) { |
| // Coverage-ignore(suite): Not run. |
| typeArguments ??= []; |
| if (_factoryTearOff != null) { |
| delayedDefaultValueCloners.add(buildRedirectingFactoryTearOffBody( |
| _factoryTearOff, |
| target!, |
| typeArguments, |
| _tearOffTypeParameters!, |
| _fragment.builder.libraryBuilder)); |
| } |
| delayedDefaultValueCloners.add(new DelayedDefaultValueCloner( |
| target!, _fragment.builder._procedure, |
| libraryBuilder: _fragment.builder.libraryBuilder, |
| identicalSignatures: false)); |
| } |
| } |
| |
| void resolveRedirectingFactory() { |
| ConstructorReferenceBuilder? redirectionTarget = |
| _fragment.redirectionTarget; |
| if (redirectionTarget != null) { |
| // Compute the immediate redirection target, not the effective. |
| List<TypeBuilder>? typeArguments = redirectionTarget.typeArguments; |
| Builder? target = redirectionTarget.target; |
| if (typeArguments != null && target is MemberBuilder) { |
| TypeName redirectionTargetName = redirectionTarget.typeName; |
| if (redirectionTargetName.qualifier == null) { |
| // Do nothing. This is the case of an identifier followed by |
| // type arguments, such as the following: |
| // B<T> |
| // B<T>.named |
| } else { |
| if (target.name.isEmpty) { |
| // Do nothing. This is the case of a qualified |
| // non-constructor prefix (for example, with a library |
| // qualifier) followed by type arguments, such as the |
| // following: |
| // lib.B<T> |
| } else if (target.name != redirectionTargetName.name) { |
| // Do nothing. This is the case of a qualified |
| // non-constructor prefix followed by type arguments followed |
| // by a constructor name, such as the following: |
| // lib.B<T>.named |
| } else { |
| // TODO(cstefantsova,johnniwinther): Handle this in case in |
| // ConstructorReferenceBuilder.resolveIn and unify with other |
| // cases of handling of type arguments after constructor |
| // names. |
| _fragment.builder.libraryBuilder.addProblem( |
| messageConstructorWithTypeArguments, |
| redirectionTargetName.nameOffset, |
| redirectionTargetName.nameLength, |
| _fragment.fileUri); |
| } |
| } |
| } |
| |
| Builder? targetBuilder = redirectionTarget.target; |
| Member? targetNode; |
| if (targetBuilder is FunctionBuilder) { |
| targetNode = targetBuilder.invokeTarget!; |
| } else if (targetBuilder is DillMemberBuilder) { |
| targetNode = targetBuilder.invokeTarget!; |
| } else if (targetBuilder is AmbiguousBuilder) { |
| _addProblemForRedirectingFactory( |
| templateDuplicatedDeclarationUse |
| .withArguments(redirectionTarget.fullNameForErrors), |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| } else { |
| _addProblemForRedirectingFactory( |
| templateRedirectionTargetNotFound |
| .withArguments(redirectionTarget.fullNameForErrors), |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| } |
| if (targetNode != null && |
| targetNode is Constructor && |
| targetNode.enclosingClass.isAbstract) { |
| _addProblemForRedirectingFactory( |
| templateAbstractRedirectedClassInstantiation |
| .withArguments(redirectionTarget.fullNameForErrors), |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| targetNode = null; |
| } |
| if (targetNode != null && |
| targetNode is Constructor && |
| targetNode.enclosingClass.isEnum) { |
| _addProblemForRedirectingFactory( |
| messageEnumFactoryRedirectsToConstructor, |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| targetNode = null; |
| } |
| if (targetNode != null) { |
| List<DartType>? typeArguments = redirectionTypeArguments; |
| if (typeArguments == null) { |
| int typeArgumentCount; |
| if (targetBuilder!.isExtensionTypeMember) { |
| ExtensionTypeDeclarationBuilder extensionTypeDeclarationBuilder = |
| targetBuilder.parent as ExtensionTypeDeclarationBuilder; |
| typeArgumentCount = |
| extensionTypeDeclarationBuilder.typeParametersCount; |
| } else { |
| typeArgumentCount = |
| targetNode.enclosingClass!.typeParameters.length; |
| } |
| typeArguments = |
| new List<DartType>.filled(typeArgumentCount, const UnknownType()); |
| } |
| setRedirectingFactoryBody(targetNode, typeArguments); |
| } |
| } |
| } |
| |
| void setRedirectingFactoryBody(Member target, List<DartType> typeArguments) { |
| if (_procedureInternal.function.body != null) { |
| unexpected("null", "${_procedureInternal.function.body.runtimeType}", |
| _fragment.fullNameOffset, _fragment.fileUri); |
| } |
| |
| // Ensure that constant factories only have constant targets/bodies. |
| if (_fragment.modifiers.isConst && !target.isConst) { |
| // Coverage-ignore-block(suite): Not run. |
| _fragment.builder.libraryBuilder.addProblem( |
| messageConstFactoryRedirectionToNonConst, |
| _fragment.fullNameOffset, |
| noLength, |
| _fragment.fileUri); |
| } |
| |
| _procedureInternal.function.body = createRedirectingFactoryBody( |
| target, typeArguments, _procedureInternal.function) |
| ..parent = _procedureInternal.function; |
| _procedureInternal.function.redirectingFactoryTarget = |
| new RedirectingFactoryTarget(target, typeArguments); |
| if (_fragment.builder.isAugmenting) { |
| if (_procedureInternal.function.typeParameters.isNotEmpty) { |
| Map<TypeParameter, DartType> substitution = <TypeParameter, DartType>{}; |
| for (int i = 0; |
| i < _procedureInternal.function.typeParameters.length; |
| i++) { |
| substitution[_procedureInternal.function.typeParameters[i]] = |
| new TypeParameterType.withDefaultNullability( |
| _fragment.builder.origin.function.typeParameters[i]); |
| } |
| typeArguments = new List<DartType>.generate(typeArguments.length, |
| (int i) => substitute(typeArguments[i], substitution), |
| growable: false); |
| } |
| _fragment.builder.origin |
| ._setRedirectingFactoryBody(target, typeArguments); |
| } |
| } |
| |
| void _addProblemForRedirectingFactory( |
| Message message, int charOffset, int length, Uri fileUri) { |
| _fragment.builder.libraryBuilder |
| .addProblem(message, charOffset, length, fileUri); |
| String text = _fragment.builder.libraryBuilder.loader.target.context |
| .format( |
| message.withLocation(fileUri, charOffset, length), Severity.error) |
| .plain; |
| _setRedirectingFactoryError(text); |
| } |
| |
| void _setRedirectingFactoryError(String message) { |
| assert(_fragment.redirectionTarget != null); |
| |
| setBody(createRedirectingFactoryErrorBody(message)); |
| _fragment.builder._procedure.function.redirectingFactoryTarget = |
| new RedirectingFactoryTarget.error(message); |
| if (_factoryTearOff != null) { |
| _factoryTearOff.function.body = createRedirectingFactoryErrorBody(message) |
| ..parent = _factoryTearOff.function; |
| } |
| } |
| |
| /// Checks this factory builder if it is for a redirecting factory. |
| void checkRedirectingFactory(TypeEnvironment typeEnvironment) { |
| assert(_fragment.redirectionTarget != null); |
| |
| // Check that factory declaration is not cyclic. |
| if (_isCyclicRedirectingFactory(_fragment.builder)) { |
| _addProblemForRedirectingFactory( |
| templateCyclicRedirectingFactoryConstructors |
| .withArguments("${_fragment.builder.declarationBuilder.name}" |
| "${_fragment.name == '' ? '' : '.${_fragment.name}'}"), |
| _fragment.fullNameOffset, |
| noLength, |
| _fragment.fileUri); |
| return; |
| } |
| |
| // The factory type cannot contain any type parameters other than those of |
| // its enclosing class, because constructors cannot specify type parameters |
| // of their own. |
| FunctionType factoryType = _procedureInternal.function |
| .computeThisFunctionType(Nullability.nonNullable); |
| if (_fragment.builder.isAugmenting) { |
| // The redirection target type uses the origin type parameters so we must |
| // substitute augmentation type parameters before checking subtyping. |
| if (_procedureInternal.function.typeParameters.isNotEmpty) { |
| Map<TypeParameter, DartType> substitution = <TypeParameter, DartType>{}; |
| for (int i = 0; |
| i < _procedureInternal.function.typeParameters.length; |
| i++) { |
| substitution[_procedureInternal.function.typeParameters[i]] = |
| new TypeParameterType.withDefaultNullability( |
| _fragment.builder.origin.function.typeParameters[i]); |
| } |
| factoryType = substitute(factoryType, substitution) as FunctionType; |
| } |
| } |
| FunctionType? redirecteeType = _computeRedirecteeType(typeEnvironment); |
| Map<TypeParameter, DartType> substitutionMap = {}; |
| for (int i = 0; i < factoryType.typeParameters.length; i++) { |
| TypeParameter functionTypeParameter = |
| _fragment.builder.origin.function.typeParameters[i]; |
| substitutionMap[functionTypeParameter] = |
| new StructuralParameterType.withDefaultNullability( |
| factoryType.typeParameters[i]); |
| } |
| redirecteeType = redirecteeType != null |
| ? substitute(redirecteeType, substitutionMap) as FunctionType |
| : null; |
| |
| // TODO(hillerstrom): It would be preferable to know whether a failure |
| // happened during [_computeRedirecteeType]. |
| if (redirecteeType == null) { |
| return; |
| } |
| |
| Builder? redirectionTargetBuilder = _fragment.redirectionTarget!.target; |
| if (redirectionTargetBuilder is SourceFactoryBuilder && |
| redirectionTargetBuilder.redirectionTarget != null) { |
| redirectionTargetBuilder.checkRedirectingFactories(typeEnvironment); |
| String? errorMessage = redirectionTargetBuilder |
| .function.redirectingFactoryTarget?.errorMessage; |
| if (errorMessage != null) { |
| _setRedirectingFactoryError(errorMessage); |
| } |
| } |
| |
| Builder? redirectionTargetParent = |
| _fragment.redirectionTarget!.target?.parent; |
| bool redirectingTargetParentIsEnum = redirectionTargetParent is ClassBuilder |
| ? redirectionTargetParent.isEnum |
| : false; |
| if (!((_fragment.builder.classBuilder?.cls.isEnum ?? false) && |
| (_fragment.redirectionTarget!.target?.isConstructor ?? false) && |
| redirectingTargetParentIsEnum)) { |
| // Check whether [redirecteeType] <: [factoryType]. |
| FunctionType factoryTypeWithoutTypeParameters = |
| factoryType.withoutTypeParameters; |
| if (!typeEnvironment.isSubtypeOf( |
| redirecteeType, |
| factoryTypeWithoutTypeParameters, |
| SubtypeCheckMode.withNullabilities)) { |
| _addProblemForRedirectingFactory( |
| templateIncompatibleRedirecteeFunctionType.withArguments( |
| redirecteeType, factoryTypeWithoutTypeParameters), |
| _fragment.redirectionTarget!.charOffset, |
| noLength, |
| _fragment.redirectionTarget!.fileUri); |
| } |
| } else { |
| // Redirection to generative enum constructors is forbidden. |
| assert(_fragment.builder.libraryBuilder.loader |
| .assertProblemReportedElsewhere( |
| "RedirectingFactoryBuilder._checkRedirectingFactory: " |
| "Redirection to generative enum constructor.", |
| expectedPhase: CompilationPhaseForProblemReporting.bodyBuilding)); |
| } |
| } |
| |
| // Computes the function type of a given redirection target. Returns [null] if |
| // the type of the target could not be computed. |
| FunctionType? _computeRedirecteeType(TypeEnvironment typeEnvironment) { |
| assert(_fragment.redirectionTarget != null); |
| ConstructorReferenceBuilder redirectionTarget = |
| _fragment.redirectionTarget!; |
| Builder? targetBuilder = redirectionTarget.target; |
| FunctionNode targetNode; |
| if (targetBuilder == null) return null; |
| if (targetBuilder is FunctionBuilder) { |
| targetNode = targetBuilder.function; |
| } else if (targetBuilder is DillExtensionTypeFactoryBuilder) { |
| targetNode = targetBuilder.member.function!; |
| } else if (targetBuilder is AmbiguousBuilder) { |
| // Multiple definitions with the same name: An error has already been |
| // issued. |
| // TODO(http://dartbug.com/35294): Unfortunate error; see also |
| // https://dart-review.googlesource.com/c/sdk/+/85390/. |
| return null; |
| } else { |
| unhandled("${targetBuilder.runtimeType}", "computeRedirecteeType", |
| _fragment.fullNameOffset, _fragment.fileUri); |
| } |
| |
| List<DartType>? typeArguments = _getRedirectionTypeArguments(); |
| FunctionType targetFunctionType = |
| targetNode.computeFunctionType(Nullability.nonNullable); |
| if (typeArguments != null && |
| targetFunctionType.typeParameters.length != typeArguments.length) { |
| _addProblemForRedirectingFactory( |
| templateTypeArgumentMismatch |
| .withArguments(targetFunctionType.typeParameters.length), |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| return null; |
| } |
| |
| // Compute the substitution of the target class type parameters if |
| // [redirectionTarget] has any type arguments. |
| FunctionTypeInstantiator? instantiator; |
| bool hasProblem = false; |
| if (typeArguments != null && typeArguments.length > 0) { |
| instantiator = new FunctionTypeInstantiator.fromIterables( |
| targetFunctionType.typeParameters, typeArguments); |
| for (int i = 0; i < targetFunctionType.typeParameters.length; i++) { |
| StructuralParameter typeParameter = |
| targetFunctionType.typeParameters[i]; |
| DartType typeParameterBound = |
| instantiator.substitute(typeParameter.bound); |
| DartType typeArgument = typeArguments[i]; |
| // Check whether the [typeArgument] respects the bounds of |
| // [typeParameter]. |
| if (!typeEnvironment.isSubtypeOf(typeArgument, typeParameterBound, |
| SubtypeCheckMode.ignoringNullabilities)) { |
| // Coverage-ignore-block(suite): Not run. |
| _addProblemForRedirectingFactory( |
| templateRedirectingFactoryIncompatibleTypeArgument.withArguments( |
| typeArgument, typeParameterBound), |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| hasProblem = true; |
| } else { |
| if (!typeEnvironment.isSubtypeOf(typeArgument, typeParameterBound, |
| SubtypeCheckMode.withNullabilities)) { |
| _addProblemForRedirectingFactory( |
| templateRedirectingFactoryIncompatibleTypeArgument |
| .withArguments(typeArgument, typeParameterBound), |
| redirectionTarget.charOffset, |
| noLength, |
| redirectionTarget.fileUri); |
| hasProblem = true; |
| } |
| } |
| } |
| } else if (typeArguments == null && |
| targetFunctionType.typeParameters.length > 0) { |
| // TODO(hillerstrom): In this case, we need to perform type inference on |
| // the redirectee to obtain actual type arguments which would allow the |
| // following program to type check: |
| // |
| // class A<T> { |
| // factory A() = B; |
| // } |
| // class B<T> implements A<T> { |
| // B(); |
| // } |
| // |
| return null; |
| } |
| |
| // Substitute if necessary. |
| targetFunctionType = instantiator == null |
| ? targetFunctionType |
| : (instantiator.substitute(targetFunctionType.withoutTypeParameters) |
| as FunctionType); |
| |
| return hasProblem ? null : targetFunctionType; |
| } |
| |
| static bool _isCyclicRedirectingFactory(SourceFactoryBuilder factory) { |
| assert(factory.redirectionTarget != null); |
| // We use the [tortoise and hare algorithm] |
| // (https://en.wikipedia.org/wiki/Cycle_detection#Tortoise_and_hare) to |
| // handle cycles. |
| Builder? tortoise = factory; |
| Builder? hare = factory.redirectionTarget!.target; |
| if (hare == factory) { |
| return true; |
| } |
| while (tortoise != hare) { |
| // Hare moves 2 steps forward. |
| if (hare is! SourceFactoryBuilder || hare.redirectionTarget == null) { |
| return false; |
| } |
| hare = hare.redirectionTarget!.target; |
| if (hare == factory) { |
| return true; |
| } |
| if (hare is! SourceFactoryBuilder || hare.redirectionTarget == null) { |
| return false; |
| } |
| hare = hare.redirectionTarget!.target; |
| if (hare == factory) { |
| return true; |
| } |
| // Tortoise moves one step forward. No need to test type of tortoise |
| // as it follows hare which already checked types. |
| tortoise = (tortoise as SourceFactoryBuilder).redirectionTarget!.target; |
| } |
| // Cycle found, but original factory doesn't belong to a cycle. |
| return false; |
| } |
| |
| List<DartType>? _getRedirectionTypeArguments() { |
| assert(_fragment.redirectionTarget != null); |
| return _fragment |
| .builder._procedure.function.redirectingFactoryTarget!.typeArguments; |
| } |
| |
| void setBody(Statement value) { |
| _procedureInternal.function.body = value |
| ..parent = _procedureInternal.function; |
| } |
| |
| void becomeNative(SourceLoader loader) { |
| for (Annotatable annotatable in _fragment.builder.annotatables) { |
| loader.addNativeAnnotation(annotatable, _fragment.nativeMethodName!); |
| } |
| _procedureInternal.isExternal = true; |
| } |
| |
| // Coverage-ignore(suite): Not run. |
| bool get isNative => _fragment.nativeMethodName != null; |
| |
| FunctionNode get function => _procedureInternal.function; |
| |
| FormalParameterBuilder? getFormal(Identifier identifier) { |
| if (_fragment.formals != null) { |
| for (FormalParameterBuilder formal in _fragment.formals!) { |
| if (formal.isWildcard && |
| identifier.name == '_' && |
| formal.fileOffset == identifier.nameOffset) { |
| return formal; |
| } |
| if (formal.name == identifier.name && |
| formal.fileOffset == identifier.nameOffset) { |
| return formal; |
| } |
| } |
| // Coverage-ignore(suite): Not run. |
| // If we have any formals we should find the one we're looking for. |
| assert(false, "$identifier not found in ${_fragment.formals}"); |
| } |
| return null; |
| } |
| |
| VariableDeclaration? getTearOffParameter(int index) { |
| if (_factoryTearOff != null) { |
| if (index < _factoryTearOff.function.positionalParameters.length) { |
| return _factoryTearOff.function.positionalParameters[index]; |
| } else { |
| index -= _factoryTearOff.function.positionalParameters.length; |
| if (index < _factoryTearOff.function.namedParameters.length) { |
| return _factoryTearOff.function.namedParameters[index]; |
| } |
| } |
| } |
| return null; |
| } |
| |
| int computeDefaultTypes(ComputeDefaultTypeContext context, |
| {required bool inErrorRecovery}) { |
| int count = context.computeDefaultTypesForVariables(typeParameters, |
| // Type parameters are inherited from the enclosing declaration, so if |
| // it has issues, so do the constructors. |
| inErrorRecovery: inErrorRecovery); |
| context.reportGenericFunctionTypesForFormals(_fragment.formals); |
| return count; |
| } |
| |
| void checkTypes(SourceLibraryBuilder library, NameSpace nameSpace, |
| TypeEnvironment typeEnvironment) { |
| if (_fragment.redirectionTarget != null) { |
| // Default values are not required on redirecting factory constructors so |
| // we don't call [checkInitializersInFormals]. |
| } else { |
| library.checkInitializersInFormals(_fragment.formals, typeEnvironment, |
| isAbstract: _fragment.modifiers.isAbstract, |
| isExternal: _fragment.modifiers.isExternal); |
| } |
| } |
| } |
