Elements. Rename most XyzElementImpl into XyzFragmentImpl.

Change-Id: I7902ccedd9d3e9ccde1091eb28aad98591791b6e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/424922
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analysis_server/lib/plugin/protocol/protocol_dart.dart

@@ -133,7 +133,7 @@ ElementKind convertElementToElementKind(engine.Element element) {
   return convertElementKind(element.kind);
 }
 
-Element convertLibraryFragment(CompilationUnitElementImpl fragment) {
+Element convertLibraryFragment(LibraryFragmentImpl fragment) {
   return Element(
     ElementKind.COMPILATION_UNIT,
     path.basename(fragment.source.fullName),

pkg/analysis_server/lib/src/computer/computer_call_hierarchy.dart

@@ -121,7 +121,7 @@ class CallHierarchyItem {
     // For synthetic items (like implicit constructors), use the nonSynthetic
     // element for the location.
     element = _nonSynthetic(element);
-    var fragment = element.firstFragment as ElementImpl;
+    var fragment = element.firstFragment as FragmentImpl;
 
     // Non-synthetic elements should always have code locations.
     // TODO(brianwilkerson): Figure out why that's no longer true and possibly
@@ -134,7 +134,7 @@ class CallHierarchyItem {
     // For synthetic items (like implicit constructors), use the nonSynthetic
     // element for the location.
     element = _nonSynthetic(element);
-    var fragment = element.firstFragment as ElementImpl;
+    var fragment = element.firstFragment as FragmentImpl;
 
     // Compilation units will return -1 for nameOffset which is not valid, so
     // use 0:0.

pkg/analysis_server/lib/src/computer/computer_lazy_type_hierarchy.dart

@@ -217,7 +217,7 @@ class TypeHierarchyItem {
   /// Returns the [SourceRange] of the code for [element].
   static SourceRange _codeRangeForElement(Element element) {
     // Non-synthetic elements should always have code locations.
-    var firstFragment = element.nonSynthetic2.firstFragment as ElementImpl;
+    var firstFragment = element.nonSynthetic2.firstFragment as FragmentImpl;
     return SourceRange(firstFragment.codeOffset!, firstFragment.codeLength!);
   }
 

pkg/analysis_server/lib/src/lsp/handlers/handler_definition.dart

@@ -234,7 +234,7 @@ class DefinitionHandler
     // Read the main codeOffset from the element. This may include doc comments
     // but will give the correct end position.
     int? codeOffset, codeLength;
-    if (codeFragment case ElementImpl codeFragment) {
+    if (codeFragment case FragmentImpl codeFragment) {
       codeOffset = codeFragment.codeOffset;
       codeLength = codeFragment.codeLength;
     }

pkg/analysis_server/lib/src/lsp/handlers/handler_type_definition.dart

@@ -177,7 +177,7 @@ class TypeDefinitionHandler
     analyzer.LibraryFragment targetUnit,
   ) {
     var (codeOffset, codeLength) = switch (targetFragment) {
-      ElementImpl e => (e.codeOffset, e.codeLength),
+      FragmentImpl e => (e.codeOffset, e.codeLength),
       _ => (null, null),
     };
 

pkg/analysis_server/lib/src/lsp/mapping.dart

@@ -516,7 +516,7 @@ lsp.Location? fragmentToLocation(
 
   int? nameOffset;
   int? nameLength;
-  if (fragment case PropertyAccessorElementImpl(
+  if (fragment case PropertyAccessorFragmentImpl(
     :var isSynthetic,
     :var nonSynthetic,
   ) when isSynthetic) {

pkg/analysis_server/lib/src/protocol_server.dart

@@ -348,7 +348,7 @@ List<Element> _computePath(engine.Element element) {
   var path = <Element>[];
   for (var fragment in element.firstFragment.withAncestors) {
     if (fragment is engine.LibraryFragment) {
-      path.add(convertLibraryFragment(fragment as CompilationUnitElementImpl));
+      path.add(convertLibraryFragment(fragment as LibraryFragmentImpl));
     }
     path.add(convertElement(fragment.element));
   }

pkg/analysis_server/lib/src/services/refactoring/legacy/rename_local.dart

@@ -175,16 +175,16 @@ class RenameLocalRefactoringImpl extends RenameRefactoringImpl {
     var element = this.element;
     if (element is PatternVariableElement) {
       var rootVariable =
-          (element.firstFragment as PatternVariableElementImpl).rootVariable;
+          (element.firstFragment as PatternVariableFragmentImpl).rootVariable;
       var declaredFragments =
-          rootVariable is JoinPatternVariableElementImpl
+          rootVariable is JoinPatternVariableFragmentImpl
               ? rootVariable.transitiveVariables
-                  .whereType<BindPatternVariableElementImpl>()
+                  .whereType<BindPatternVariableFragmentImpl>()
                   .toList()
               : [element.firstFragment];
       for (var declaredFragment in declaredFragments) {
         processor.addDeclarationEdit(declaredFragment.element);
-        if (declaredFragment is BindPatternVariableElementImpl) {
+        if (declaredFragment is BindPatternVariableFragmentImpl) {
           // If a variable is used to resolve a named field with an implicit
           // name, we need to make the field name explicit.
           var fieldName = declaredFragment.node.fieldNameWithImplicitName;

pkg/analysis_server/lib/src/status/element_writer.dart

@@ -52,13 +52,13 @@ class ElementWriter with TreeWriter {
         properties['isValidMixin'] = element.isValidMixin;
       }
     }
-    if (firstFragment is ConstFieldElementImpl) {
+    if (firstFragment is ConstFieldFragmentImpl) {
       properties['evaluationResult'] = firstFragment.evaluationResult;
     }
-    if (firstFragment is ConstLocalVariableElementImpl) {
+    if (firstFragment is ConstLocalVariableFragmentImpl) {
       properties['evaluationResult'] = firstFragment.evaluationResult;
     }
-    if (firstFragment is ConstTopLevelVariableElementImpl) {
+    if (firstFragment is ConstTopLevelVariableFragmentImpl) {
       properties['evaluationResult'] = firstFragment.evaluationResult;
     }
     if (element is ConstructorElement) {

pkg/analysis_server/test/services/refactoring/agnostic/change_method_signature_test.dart

@@ -118,7 +118,7 @@ class AbstractChangeMethodSignatureTest extends AbstractContextTest {
     var enclosingElement = element.enclosingElement2;
     var reference = switch (element) {
       ElementImpl2() =>
-        element.reference ?? (element.firstFragment as ElementImpl).reference,
+        element.reference ?? (element.firstFragment as FragmentImpl).reference,
       _ => null,
     };
     if (reference != null) {