Elements. Deprecate V1 getters in src/dart/ast/ast.dart

Change-Id: I072b119e2e5b49eb0a286bd805d8280448ca9782
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/413160
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>
Reviewed-by: Paul Berry <[email protected]>

Author: scheglov

pkg/analyzer/api.txt

@@ -519,7 +519,7 @@ package:analyzer/dart/ast/ast.dart:
     arguments (getter: ArgumentList)
     augmentedKeyword (getter: Token)
     element (getter: ExecutableElement?)
-    element2 (getter: ExecutableElement2?)
+    fragment (getter: ExecutableFragment?)
     typeArguments (getter: TypeArgumentList?)
   AwaitExpression (class extends Object implements Expression):
     awaitKeyword (getter: Token)
@@ -567,6 +567,7 @@ package:analyzer/dart/ast/ast.dart:
   CatchClauseParameter (class extends AstNode):
     declaredElement (getter: LocalVariableElement?)
     declaredElement2 (getter: LocalVariableElement2?)
+    declaredFragment (getter: LocalVariableFragment?)
     name (getter: Token)
   ClassDeclaration (class extends Object implements NamedCompilationUnitMember):
     abstractKeyword (getter: Token?)
@@ -1249,14 +1250,15 @@ package:analyzer/dart/ast/ast.dart:
     declaration (getter: PatternVariableDeclaration)
     semicolon (getter: Token)
   PostfixExpression (class extends Object implements Expression, NullShortableExpression, MethodReferenceExpression, CompoundAssignmentExpression):
+    element (getter: MethodElement2?)
     operand (getter: Expression)
     operator (getter: Token)
     staticElement (getter: MethodElement?)
   PrefixExpression (class extends Object implements Expression, NullShortableExpression, MethodReferenceExpression, CompoundAssignmentExpression):
+    element (getter: MethodElement2?)
     operand (getter: Expression)
     operator (getter: Token)
     staticElement (getter: MethodElement?)
-    staticElement= (setter: MethodElement?)
   PrefixedIdentifier (class extends Object implements Identifier):
     identifier (getter: SimpleIdentifier)
     isDeferred (getter: bool)
@@ -1299,7 +1301,6 @@ package:analyzer/dart/ast/ast.dart:
     argumentList (getter: ArgumentList)
     constructorName (getter: SimpleIdentifier?)
     period (getter: Token?)
-    staticElement (getter: ConstructorElement?)
     thisKeyword (getter: Token)
   RelationalPattern (class extends Object implements DartPattern):
     element (getter: MethodElement?)

pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart

@@ -50,6 +50,7 @@ import 'package:analyzer/src/lint/analysis_rule_timers.dart';
 import 'package:analyzer/src/lint/linter.dart';
 import 'package:analyzer/src/lint/linter_visitor.dart';
 import 'package:analyzer/src/util/performance/operation_performance.dart';
+import 'package:analyzer/src/utilities/extensions/element.dart';
 import 'package:analyzer/src/utilities/extensions/version.dart';
 import 'package:analyzer/src/workspace/pub.dart';
 import 'package:analyzer/src/workspace/workspace.dart';
@@ -258,9 +259,9 @@ class LibraryAnalyzer {
 
     for (var directive in libraryUnit.directives) {
       if (directive is PartDirectiveImpl) {
-        var elementUri = directive.element?.uri;
-        if (elementUri is DirectiveUriWithUnitImpl) {
-          var partUnit = elementToUnit[elementUri.unit];
+        var uri = directive.partInclude?.uri;
+        if (uri is DirectiveUriWithUnitImpl) {
+          var partUnit = elementToUnit[uri.unit];
           if (partUnit != null) {
             var shouldReport = false;
             var partOverrideToken = partUnit.languageVersionToken;
@@ -652,7 +653,7 @@ class LibraryAnalyzer {
       errorListener: errorListener,
       performance: OperationPerformanceImpl('<root>'),
     );
-    unit.declaredElement = unitElement;
+    unit.declaredFragment = unitElement;
 
     // TODO(scheglov): Store [IgnoreInfo] as unlinked data.
 
@@ -965,7 +966,7 @@ class LibraryAnalyzer {
     required ErrorReporter errorReporter,
   }) {
     directive.element = element;
-    directive.prefix?.staticElement = element.prefix?.element;
+    directive.prefix?.element = element.prefix?.element.asElement2;
     _resolveUriConfigurations(
       configurationNodes: directive.configurations,
       configurationUris: state.uris.configurations,