Elements. Migrate to element2 (#3978)

Author: keertip

lib/src/generator/templates.runtime_renderers.dart

@@ -17944,14 +17944,14 @@ class _Renderer_ModelFunction extends RendererBase<ModelFunction> {
             () => {
               ..._Renderer_ModelFunctionTyped.propertyMap<CT_>(),
               ..._Renderer_Categorization.propertyMap<CT_>(),
-              'element': Property(
-                getValue: (CT_ c) => c.element,
+              'element2': Property(
+                getValue: (CT_ c) => c.element2,
                 renderVariable:
                     (CT_ c, Property<CT_> self, List<String> remainingNames) =>
                         self.renderSimpleVariable(
                           c,
                           remainingNames,
-                          'FunctionElement',
+                          'TopLevelFunctionElement',
                         ),
 
                 isNullValue: (CT_ c) => false,
@@ -17963,12 +17963,12 @@ class _Renderer_ModelFunction extends RendererBase<ModelFunction> {
                   StringSink sink,
                 ) {
                   renderSimple(
-                    c.element,
+                    c.element2,
                     ast,
                     r.template,
                     sink,
                     parent: r,
-                    getters: _invisibleGetters['FunctionElement']!,
+                    getters: _invisibleGetters['TopLevelFunctionElement']!,
                   );
                 },
               ),
@@ -18165,6 +18165,34 @@ class _Renderer_ModelFunctionTyped extends RendererBase<ModelFunctionTyped> {
                   );
                 },
               ),
+              'element2': Property(
+                getValue: (CT_ c) => c.element2,
+                renderVariable:
+                    (CT_ c, Property<CT_> self, List<String> remainingNames) =>
+                        self.renderSimpleVariable(
+                          c,
+                          remainingNames,
+                          'FunctionTypedElement2',
+                        ),
+
+                isNullValue: (CT_ c) => false,
+
+                renderValue: (
+                  CT_ c,
+                  RendererBase<CT_> r,
+                  List<MustachioNode> ast,
+                  StringSink sink,
+                ) {
+                  renderSimple(
+                    c.element2,
+                    ast,
+                    r.template,
+                    sink,
+                    parent: r,
+                    getters: _invisibleGetters['FunctionTypedElement2']!,
+                  );
+                },
+              ),
               'enclosingElement': Property(
                 getValue: (CT_ c) => c.enclosingElement,
                 renderVariable: (
@@ -20571,13 +20599,13 @@ class _Renderer_PackageTemplateData extends RendererBase<PackageTemplateData> {
   }
 }
 
-String renderError(PackageTemplateData context, Template template) {
+String renderSearchPage(PackageTemplateData context, Template template) {
   var buffer = StringBuffer();
   _render_PackageTemplateData(context, template.ast, template, buffer);
   return buffer.toString();
 }
 
-String renderSearchPage(PackageTemplateData context, Template template) {
+String renderError(PackageTemplateData context, Template template) {
   var buffer = StringBuffer();
   _render_PackageTemplateData(context, template.ast, template, buffer);
   return buffer.toString();
@@ -21656,30 +21684,6 @@ class _Renderer_SourceCode extends RendererBase<SourceCode> {
                   );
                 },
               ),
-              'element': Property(
-                getValue: (CT_ c) => c.element,
-                renderVariable:
-                    (CT_ c, Property<CT_> self, List<String> remainingNames) =>
-                        self.renderSimpleVariable(c, remainingNames, 'Element'),
-
-                isNullValue: (CT_ c) => c.element == null,
-
-                renderValue: (
-                  CT_ c,
-                  RendererBase<CT_> r,
-                  List<MustachioNode> ast,
-                  StringSink sink,
-                ) {
-                  renderSimple(
-                    c.element,
-                    ast,
-                    r.template,
-                    sink,
-                    parent: r,
-                    getters: _invisibleGetters['Element']!,
-                  );
-                },
-              ),
               'hasSourceCode': Property(
                 getValue: (CT_ c) => c.hasSourceCode,
                 renderVariable:
@@ -26407,14 +26411,6 @@ const _invisibleGetters = {
     'runtimeType',
     'typeParameters2',
   },
-  'FunctionElement': {
-    'augmentation',
-    'augmentationTarget',
-    'hashCode',
-    'isDartCoreIdentical',
-    'isEntryPoint',
-    'runtimeType',
-  },
   'FunctionType': {
     'element',
     'formalParameters',
@@ -26438,6 +26434,15 @@ const _invisibleGetters = {
     'runtimeType',
     'type',
   },
+  'FunctionTypedElement2': {
+    'firstFragment',
+    'formalParameters',
+    'fragments',
+    'hashCode',
+    'returnType',
+    'runtimeType',
+    'type',
+  },
   'GetterSetterCombo': {
     'allAccessors',
     'annotations',
@@ -26875,6 +26880,15 @@ const _invisibleGetters = {
     'toolVersion',
     'useBaseHref',
   },
+  'TopLevelFunctionElement': {
+    'baseElement',
+    'firstFragment',
+    'fragments',
+    'hashCode',
+    'isDartCoreIdentical',
+    'isEntryPoint',
+    'runtimeType',
+  },
   'TopLevelVariableElement': {
     'augmentation',
     'augmentationTarget',

lib/src/model/container_member.dart

@@ -2,8 +2,6 @@
 // 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.
 
-// ignore_for_file: analyzer_use_new_elements
-
 import 'package:dartdoc/src/model/attribute.dart';
 import 'package:dartdoc/src/model/model.dart';
 import 'package:meta/meta.dart';
@@ -31,7 +29,7 @@ mixin ContainerMember on ModelElement {
   @protected
   @visibleForTesting
   late final Container definingEnclosingContainer =
-      getModelForElement(element.enclosingElement3!) as Container;
+      getModelForElement2(element2.enclosingElement2!) as Container;
 
   @override
   Set<Attribute> get attributes => {

lib/src/model/dynamic.dart

@@ -2,23 +2,28 @@
 // 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.
 
-// ignore_for_file: analyzer_use_new_elements
-
 import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/element/element2.dart';
+// ignore: implementation_imports
+import 'package:analyzer/src/utilities/extensions/element.dart';
 import 'package:dartdoc/src/element_type.dart';
 import 'package:dartdoc/src/model/comment_referable.dart';
 import 'package:dartdoc/src/model/kind.dart';
 import 'package:dartdoc/src/model/model.dart';
 
 class Dynamic extends ModelElement with HasNoPage {
   @override
-  final Element element;
+   // ignore: analyzer_use_new_elements
+   Element get element => element2.asElement!;
+
+   @override
+   final Element2 element2;
 
-  Dynamic(this.element, PackageGraph packageGraph)
+  Dynamic(this.element2, PackageGraph packageGraph)
       : super(Library.sentinel, packageGraph);
 
   UndefinedElementType get modelType =>
-      throw UnimplementedError('(${element.runtimeType}) $element');
+      throw UnimplementedError('(${element2.runtimeType}) $element2');
 
   /// `dynamic` is not a real object, and so we can't document it, so there
   /// can be nothing canonical for it.

lib/src/model/locatable.dart

@@ -2,9 +2,6 @@
 // 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.
 
-// ignore_for_file: analyzer_use_new_elements
-
-import 'package:analyzer/dart/element/element.dart' show Element;
 import 'package:dartdoc/src/model/model.dart';
 
 /// Something that can be located for warning purposes.
@@ -26,8 +23,7 @@ mixin Locatable {
 
   String? get href;
 
-  /// A string indicating the URI of this Locatable, usually derived from
-  /// [Element.location].
+  /// A string indicating the URI of this Locatable.
   String get location;
 
   /// Whether this is the "canonical" copy of an element.

lib/src/model/model_element.dart

@@ -248,7 +248,7 @@ abstract class ModelElement
 
     if (e.kind == ElementKind.DYNAMIC) {
       return packageGraph.allConstructedModelElements[key] =
-          Dynamic(e, packageGraph);
+          Dynamic(e.asElement2!, packageGraph);
     }
     if (e.kind == ElementKind.NEVER) {
       return packageGraph.allConstructedModelElements[key] =
@@ -312,10 +312,10 @@ abstract class ModelElement
       ClassElement() => Class(e, library, packageGraph),
       ExtensionElement() => Extension(e.asElement2, library, packageGraph),
       ExtensionTypeElement() => ExtensionType(e, library, packageGraph),
-      FunctionElement() => ModelFunction(e, library, packageGraph),
+      FunctionElement() => ModelFunction(e.asElement2 as TopLevelFunctionElement, library, packageGraph),
       ConstructorElement() => Constructor(e, library, packageGraph),
       GenericFunctionTypeElement() =>
-        ModelFunctionTypedef(e, library, packageGraph),
+        ModelFunctionTypedef(e.asElement2 as FunctionTypedElement2, library, packageGraph),
       TypeAliasElement(aliasedType: FunctionType()) =>
         FunctionTypedef(e.asElement2, library, packageGraph),
       TypeAliasElement()

lib/src/model/model_function.dart

@@ -2,50 +2,55 @@
 // 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.
 
-// ignore_for_file: analyzer_use_new_elements
-
 import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/element/element2.dart';
+// ignore: implementation_imports
+import 'package:analyzer/src/utilities/extensions/element.dart';
 import 'package:dartdoc/src/element_type.dart';
 import 'package:dartdoc/src/model/comment_referable.dart';
 import 'package:dartdoc/src/model/kind.dart';
 import 'package:dartdoc/src/model/model.dart';
 
-/// A [ModelElement] for a [FunctionElement] that isn't part of a type definition.
+/// A [ModelElement] for a [TopLevelFunctionElement] that isn't part of a type definition.
 class ModelFunction extends ModelFunctionTyped with Categorization {
   ModelFunction(
-      FunctionElement super.element, super.library, super.packageGraph);
+      TopLevelFunctionElement super.element2, super.library, super.packageGraph);
 
-  bool get isStatic => element.isStatic;
+  bool get isStatic => element2.isStatic;
 
   @override
-  String get name => element.name;
+  String get name => element2.name3 ?? '';
 
   @override
-  FunctionElement get element => super.element as FunctionElement;
+  TopLevelFunctionElement get element2 => super.element2 as TopLevelFunctionElement;
 
-  bool get isAsynchronous => element.isAsynchronous;
+  bool get isAsynchronous => element2.firstFragment.isAsynchronous;
 }
 
-/// A [ModelElement] for a [FunctionTypedElement] that is part of an
+/// A [ModelElement] for a [FunctionTypedElement2] that is part of an
 /// explicit typedef.
 class ModelFunctionTypedef extends ModelFunctionTyped {
-  ModelFunctionTypedef(super.element, super.library, super.packageGraph);
+  ModelFunctionTypedef(super.element2, super.library, super.packageGraph);
 
   @override
-  String get name => element.enclosingElement3!.name!;
+  String get name => element2.enclosingElement2!.name3!;
 }
 
 class ModelFunctionTyped extends ModelElement with TypeParameters {
   @override
-  final FunctionTypedElement element;
+   // ignore: analyzer_use_new_elements
+   FunctionTypedElement get element => element2.asElement as FunctionTypedElement;
+
+  @override
+  final FunctionTypedElement2 element2;
 
   @override
   late final List<TypeParameter> typeParameters = [
-    for (var p in element.typeParameters)
-      getModelFor(p, library) as TypeParameter,
+    for (var p in element2.typeParameters2)
+      getModelFor2(p, library) as TypeParameter,
   ];
 
-  ModelFunctionTyped(this.element, super.library, super.packageGraph);
+  ModelFunctionTyped(this.element2, super.library, super.packageGraph);
 
   @override
   Library get enclosingElement => library;
@@ -83,7 +88,7 @@ class ModelFunctionTyped extends ModelElement with TypeParameters {
   @override
   Iterable<CommentReferable> get referenceParents => [library];
 
-  late final Callable modelType = getTypeFor(element.type, library) as Callable;
+  late final Callable modelType = getTypeFor(element2.type, library) as Callable;
 
   // For use in templates.
   bool get isProvidedByExtension => false;

lib/src/model/source_code_mixin.dart

@@ -2,9 +2,6 @@
 // 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.
 
-// ignore_for_file: analyzer_use_new_elements
-
-import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/source/line_info.dart';
 import 'package:dartdoc/src/model/model.dart';
 
@@ -13,8 +10,6 @@ mixin SourceCode implements Documentable {
 
   CharacterLocation? get characterLocation;
 
-  Element? get element;
-
   bool get hasSourceCode => config.includeSource && sourceCode.isNotEmpty;
 
   Library? get library;