Elements. Remove V1 ElementVisitor.

Change-Id: I3e4128fb72833b535a8f9ea9bdd25a55fb2b952b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/422842
Reviewed-by: Paul Berry <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: scheglov

pkg/analyzer/api.txt

@@ -3184,15 +3184,13 @@ package:analyzer/dart/element/element.dart:
     session (getter: AnalysisSession?)
     sinceSdkVersion (getter: Version?)
     source (getter: Source?)
-    accept (method: T? Function<T>(ElementVisitor<T>), deprecated)
     getDisplayString (method: String Function({bool multiline, bool withNullability}))
     getExtendedDisplayName (method: String Function(String?))
     isAccessibleIn (method: bool Function(LibraryElement), deprecated)
     thisOrAncestorMatching (method: E? Function<E extends Element>(bool Function(Element)), deprecated)
     thisOrAncestorMatching3 (method: E? Function<E extends Element>(bool Function(Element)), deprecated)
     thisOrAncestorOfType (method: E? Function<E extends Element>(), deprecated)
     thisOrAncestorOfType3 (method: E? Function<E extends Element>(), deprecated)
-    visitChildren (method: void Function(ElementVisitor<dynamic>), deprecated)
   ElementAnnotation (class extends Object implements ConstantEvaluationTarget):
     new (constructor: ElementAnnotation Function())
     constantEvaluationErrors (getter: List<AnalysisError>?)
@@ -3276,34 +3274,6 @@ package:analyzer/dart/element/element.dart:
     new (constructor: ElementLocation Function())
     components (getter: List<String>)
     encoding (getter: String)
-  ElementVisitor (class<R> extends Object, deprecated):
-    new (constructor: ElementVisitor<R> Function())
-    visitClassElement (method: R? Function(ClassElement))
-    visitCompilationUnitElement (method: R? Function(CompilationUnitElement))
-    visitConstructorElement (method: R? Function(ConstructorElement))
-    visitEnumElement (method: R? Function(EnumElement))
-    visitExtensionElement (method: R? Function(ExtensionElement))
-    visitExtensionTypeElement (method: R? Function(ExtensionTypeElement))
-    visitFieldElement (method: R? Function(FieldElement))
-    visitFieldFormalParameterElement (method: R? Function(FieldFormalParameterElement))
-    visitFunctionElement (method: R? Function(FunctionElement))
-    visitGenericFunctionTypeElement (method: R? Function(GenericFunctionTypeElement))
-    visitLabelElement (method: R? Function(LabelElement))
-    visitLibraryElement (method: R? Function(LibraryElement))
-    visitLibraryExportElement (method: R? Function(LibraryExportElement))
-    visitLibraryImportElement (method: R? Function(LibraryImportElement))
-    visitLocalVariableElement (method: R? Function(LocalVariableElement))
-    visitMethodElement (method: R? Function(MethodElement))
-    visitMixinElement (method: R? Function(MixinElement))
-    visitMultiplyDefinedElement (method: R? Function(MultiplyDefinedElement))
-    visitParameterElement (method: R? Function(ParameterElement))
-    visitPartElement (method: R? Function(PartElement))
-    visitPrefixElement (method: R? Function(PrefixElement))
-    visitPropertyAccessorElement (method: R? Function(PropertyAccessorElement))
-    visitSuperFormalParameterElement (method: R? Function(SuperFormalParameterElement))
-    visitTopLevelVariableElement (method: R? Function(TopLevelVariableElement))
-    visitTypeAliasElement (method: R? Function(TypeAliasElement))
-    visitTypeParameterElement (method: R? Function(TypeParameterElement))
   EnumElement (class extends Object implements InterfaceElement, deprecated):
     new (constructor: EnumElement Function())
     augmented (getter: AugmentedEnumElement, deprecated)
@@ -4612,124 +4582,6 @@ package:analyzer/dart/element/type_visitor.dart:
     visitRecordType (method: R Function(RecordType, A))
     visitTypeParameterType (method: R Function(TypeParameterType, A))
     visitVoidType (method: R Function(VoidType, A))
-package:analyzer/dart/element/visitor.dart:
-  GeneralizingElementVisitor (class<R> extends Object implements ElementVisitor<R>, deprecated):
-    new (constructor: GeneralizingElementVisitor<R> Function())
-    visitClassElement (method: R? Function(ClassElement))
-    visitCompilationUnitElement (method: R? Function(CompilationUnitElement))
-    visitConstructorElement (method: R? Function(ConstructorElement))
-    visitElement (method: R? Function(Element))
-    visitEnumElement (method: R? Function(EnumElement))
-    visitExecutableElement (method: R? Function(ExecutableElement))
-    visitExtensionElement (method: R? Function(ExtensionElement))
-    visitExtensionTypeElement (method: R? Function(ExtensionTypeElement))
-    visitFieldElement (method: R? Function(FieldElement))
-    visitFieldFormalParameterElement (method: R? Function(FieldFormalParameterElement))
-    visitFunctionElement (method: R? Function(FunctionElement))
-    visitGenericFunctionTypeElement (method: R? Function(GenericFunctionTypeElement))
-    visitLabelElement (method: R? Function(LabelElement))
-    visitLibraryElement (method: R? Function(LibraryElement))
-    visitLibraryExportElement (method: R? Function(LibraryExportElement))
-    visitLibraryImportElement (method: R? Function(LibraryImportElement))
-    visitLocalElement (method: R? Function(LocalElement))
-    visitLocalVariableElement (method: R? Function(LocalVariableElement))
-    visitMethodElement (method: R? Function(MethodElement))
-    visitMixinElement (method: R? Function(MixinElement))
-    visitMultiplyDefinedElement (method: R? Function(MultiplyDefinedElement))
-    visitParameterElement (method: R? Function(ParameterElement))
-    visitPartElement (method: R? Function(PartElement))
-    visitPrefixElement (method: R? Function(PrefixElement))
-    visitPropertyAccessorElement (method: R? Function(PropertyAccessorElement))
-    visitPropertyInducingElement (method: R? Function(PropertyInducingElement))
-    visitSuperFormalParameterElement (method: R? Function(SuperFormalParameterElement))
-    visitTopLevelVariableElement (method: R? Function(TopLevelVariableElement))
-    visitTypeAliasElement (method: R? Function(TypeAliasElement))
-    visitTypeParameterElement (method: R? Function(TypeParameterElement))
-    visitVariableElement (method: R? Function(VariableElement))
-  RecursiveElementVisitor (class<R> extends Object implements ElementVisitor<R>, deprecated):
-    new (constructor: RecursiveElementVisitor<R> Function())
-    visitClassElement (method: R? Function(ClassElement))
-    visitCompilationUnitElement (method: R? Function(CompilationUnitElement))
-    visitConstructorElement (method: R? Function(ConstructorElement))
-    visitEnumElement (method: R? Function(EnumElement))
-    visitExtensionElement (method: R? Function(ExtensionElement))
-    visitExtensionTypeElement (method: R? Function(ExtensionTypeElement))
-    visitFieldElement (method: R? Function(FieldElement))
-    visitFieldFormalParameterElement (method: R? Function(FieldFormalParameterElement))
-    visitFunctionElement (method: R? Function(FunctionElement))
-    visitGenericFunctionTypeElement (method: R? Function(GenericFunctionTypeElement))
-    visitLabelElement (method: R? Function(LabelElement))
-    visitLibraryElement (method: R? Function(LibraryElement))
-    visitLibraryExportElement (method: R? Function(LibraryExportElement))
-    visitLibraryImportElement (method: R? Function(LibraryImportElement))
-    visitLocalVariableElement (method: R? Function(LocalVariableElement))
-    visitMethodElement (method: R? Function(MethodElement))
-    visitMixinElement (method: R? Function(MixinElement))
-    visitMultiplyDefinedElement (method: R? Function(MultiplyDefinedElement))
-    visitParameterElement (method: R? Function(ParameterElement))
-    visitPartElement (method: R? Function(PartElement))
-    visitPrefixElement (method: R? Function(PrefixElement))
-    visitPropertyAccessorElement (method: R? Function(PropertyAccessorElement))
-    visitSuperFormalParameterElement (method: R? Function(SuperFormalParameterElement))
-    visitTopLevelVariableElement (method: R? Function(TopLevelVariableElement))
-    visitTypeAliasElement (method: R? Function(TypeAliasElement))
-    visitTypeParameterElement (method: R? Function(TypeParameterElement))
-  SimpleElementVisitor (class<R> extends Object implements ElementVisitor<R>, deprecated):
-    new (constructor: SimpleElementVisitor<R> Function())
-    visitClassElement (method: R? Function(ClassElement))
-    visitCompilationUnitElement (method: R? Function(CompilationUnitElement))
-    visitConstructorElement (method: R? Function(ConstructorElement))
-    visitEnumElement (method: R? Function(EnumElement))
-    visitExtensionElement (method: R? Function(ExtensionElement))
-    visitExtensionTypeElement (method: R? Function(ExtensionTypeElement))
-    visitFieldElement (method: R? Function(FieldElement))
-    visitFieldFormalParameterElement (method: R? Function(FieldFormalParameterElement))
-    visitFunctionElement (method: R? Function(FunctionElement))
-    visitGenericFunctionTypeElement (method: R? Function(GenericFunctionTypeElement))
-    visitLabelElement (method: R? Function(LabelElement))
-    visitLibraryElement (method: R? Function(LibraryElement))
-    visitLibraryExportElement (method: R? Function(LibraryExportElement))
-    visitLibraryImportElement (method: R? Function(LibraryImportElement))
-    visitLocalVariableElement (method: R? Function(LocalVariableElement))
-    visitMethodElement (method: R? Function(MethodElement))
-    visitMixinElement (method: R? Function(MixinElement))
-    visitMultiplyDefinedElement (method: R? Function(MultiplyDefinedElement))
-    visitParameterElement (method: R? Function(ParameterElement))
-    visitPartElement (method: R? Function(PartElement))
-    visitPrefixElement (method: R? Function(PrefixElement))
-    visitPropertyAccessorElement (method: R? Function(PropertyAccessorElement))
-    visitSuperFormalParameterElement (method: R? Function(SuperFormalParameterElement))
-    visitTopLevelVariableElement (method: R? Function(TopLevelVariableElement))
-    visitTypeAliasElement (method: R? Function(TypeAliasElement))
-    visitTypeParameterElement (method: R? Function(TypeParameterElement))
-  ThrowingElementVisitor (class<R> extends Object implements ElementVisitor<R>, deprecated):
-    new (constructor: ThrowingElementVisitor<R> Function())
-    visitClassElement (method: R? Function(ClassElement))
-    visitCompilationUnitElement (method: R? Function(CompilationUnitElement))
-    visitConstructorElement (method: R? Function(ConstructorElement))
-    visitEnumElement (method: R? Function(EnumElement))
-    visitExtensionElement (method: R? Function(ExtensionElement))
-    visitExtensionTypeElement (method: R? Function(ExtensionTypeElement))
-    visitFieldElement (method: R? Function(FieldElement))
-    visitFieldFormalParameterElement (method: R? Function(FieldFormalParameterElement))
-    visitFunctionElement (method: R? Function(FunctionElement))
-    visitGenericFunctionTypeElement (method: R? Function(GenericFunctionTypeElement))
-    visitLabelElement (method: R? Function(LabelElement))
-    visitLibraryElement (method: R? Function(LibraryElement))
-    visitLibraryExportElement (method: R? Function(LibraryExportElement))
-    visitLibraryImportElement (method: R? Function(LibraryImportElement))
-    visitLocalVariableElement (method: R? Function(LocalVariableElement))
-    visitMethodElement (method: R? Function(MethodElement))
-    visitMixinElement (method: R? Function(MixinElement))
-    visitMultiplyDefinedElement (method: R? Function(MultiplyDefinedElement))
-    visitParameterElement (method: R? Function(ParameterElement))
-    visitPartElement (method: R? Function(PartElement))
-    visitPrefixElement (method: R? Function(PrefixElement))
-    visitPropertyAccessorElement (method: R? Function(PropertyAccessorElement))
-    visitSuperFormalParameterElement (method: R? Function(SuperFormalParameterElement))
-    visitTopLevelVariableElement (method: R? Function(TopLevelVariableElement))
-    visitTypeAliasElement (method: R? Function(TypeAliasElement))
-    visitTypeParameterElement (method: R? Function(TypeParameterElement))
 package:analyzer/dart/element/visitor2.dart:
   GeneralizingElementVisitor2 (class<R> extends Object implements ElementVisitor2<R>):
     new (constructor: GeneralizingElementVisitor2<R> Function())

pkg/analyzer/lib/dart/element/element.dart

@@ -807,13 +807,6 @@ abstract class Element implements AnalysisTarget {
   @override
   Source? get source;
 
-  /// Uses the given [visitor] to visit this element.
-  ///
-  /// Returns the value returned by the visitor as a result of visiting this
-  /// element.
-  @Deprecated('Use Element2 and accept2() instead')
-  T? accept<T>(ElementVisitor<T> visitor);
-
   /// Returns the presentation of this element as it should appear when
   /// presented to users.
   ///
@@ -879,11 +872,6 @@ abstract class Element implements AnalysisTarget {
   /// that has the given type, or `null` if there is no such element.
   @Deprecated('Use Element2.thisOrAncestorMatching2() instead')
   E? thisOrAncestorOfType3<E extends Element>();
-
-  /// Uses the given [visitor] to visit all of the children of this element.
-  /// There is no guarantee of the order in which the children will be visited.
-  @Deprecated('Use Element2 and visitChildren2() instead')
-  void visitChildren(ElementVisitor visitor);
 }
 
 /// A single annotation associated with an element.
@@ -1193,72 +1181,6 @@ abstract class ElementLocation {
   String get encoding;
 }
 
-/// An object that can be used to visit an element structure.
-///
-/// Clients may not extend, implement or mix-in this class. There are classes
-/// that implement this interface that provide useful default behaviors in
-/// `package:analyzer/dart/element/visitor.dart`. A couple of the most useful
-/// include
-/// * SimpleElementVisitor which implements every visit method by doing nothing,
-/// * RecursiveElementVisitor which will cause every node in a structure to be
-///   visited, and
-/// * ThrowingElementVisitor which implements every visit method by throwing an
-///   exception.
-@Deprecated('Use ElementVisitor2 instead')
-abstract class ElementVisitor<R> {
-  R? visitClassElement(ClassElement element);
-
-  R? visitCompilationUnitElement(CompilationUnitElement element);
-
-  R? visitConstructorElement(ConstructorElement element);
-
-  R? visitEnumElement(EnumElement element);
-
-  R? visitExtensionElement(ExtensionElement element);
-
-  R? visitExtensionTypeElement(ExtensionTypeElement element);
-
-  R? visitFieldElement(FieldElement element);
-
-  R? visitFieldFormalParameterElement(FieldFormalParameterElement element);
-
-  R? visitFunctionElement(FunctionElement element);
-
-  R? visitGenericFunctionTypeElement(GenericFunctionTypeElement element);
-
-  R? visitLabelElement(LabelElement element);
-
-  R? visitLibraryElement(LibraryElement element);
-
-  R? visitLibraryExportElement(LibraryExportElement element);
-
-  R? visitLibraryImportElement(LibraryImportElement element);
-
-  R? visitLocalVariableElement(LocalVariableElement element);
-
-  R? visitMethodElement(MethodElement element);
-
-  R? visitMixinElement(MixinElement element);
-
-  R? visitMultiplyDefinedElement(MultiplyDefinedElement element);
-
-  R? visitParameterElement(ParameterElement element);
-
-  R? visitPartElement(PartElement element);
-
-  R? visitPrefixElement(PrefixElement element);
-
-  R? visitPropertyAccessorElement(PropertyAccessorElement element);
-
-  R? visitSuperFormalParameterElement(SuperFormalParameterElement element);
-
-  R? visitTopLevelVariableElement(TopLevelVariableElement element);
-
-  R? visitTypeAliasElement(TypeAliasElement element);
-
-  R? visitTypeParameterElement(TypeParameterElement element);
-}
-
 /// An element that represents an enum.
 ///
 /// Clients may not extend, implement or mix-in this class.