Elements. Remove V1 UriReferencedElement.

Change-Id: I3590bde0ffb50ae3e85c71d436201294c5390dfd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/423072
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analyzer/api.txt

@@ -3134,16 +3134,6 @@ package:analyzer/dart/element/element.dart:
     shownNames (getter: List<String>)
   UndefinedElement (class extends Object implements Element, deprecated):
     new (constructor: UndefinedElement Function())
-  UriReferencedElement (class extends Object implements _ExistingElement, deprecated):
-    new (constructor: UriReferencedElement Function())
-    uri (getter: String?)
-    uriEnd (getter: int)
-    uriOffset (getter: int)
-  _ExistingElement (class extends Object implements Element, deprecated):
-    new (constructor: _ExistingElement Function())
-    declaration (getter: Element, deprecated)
-    librarySource (getter: Source)
-    source (getter: Source)
 package:analyzer/dart/element/element2.dart:
   Annotatable (class extends Object):
     new (constructor: Annotatable Function())

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

@@ -36,7 +36,6 @@
 /// represented by an element.
 library;
 
-import 'package:_fe_analyzer_shared/src/base/analyzer_public_api.dart';
 import 'package:analyzer/dart/analysis/session.dart';
 import 'package:analyzer/dart/constant/value.dart';
 import 'package:analyzer/dart/element/element2.dart';
@@ -747,37 +746,3 @@ abstract class ShowElementCombinator implements NamespaceCombinator {
 /// Clients may not extend, implement or mix-in this class.
 @Deprecated('Not used anymore')
 abstract class UndefinedElement implements Element {}
-
-/// An element included into a library using some URI.
-///
-/// Clients may not extend, implement or mix-in this class.
-@Deprecated('Use Element2 instead')
-abstract class UriReferencedElement implements _ExistingElement {
-  /// The URI that is used to include this element into the enclosing library,
-  /// or `null` if this is the defining compilation unit of a library.
-  String? get uri;
-
-  /// The offset of the character immediately following the last character of
-  /// this node's URI, or `-1` for synthetic import.
-  int get uriEnd;
-
-  /// The offset of the URI in the file, or `-1` if this element is synthetic.
-  int get uriOffset;
-}
-
-/// This class exists to provide non-nullable overrides for existing elements,
-/// as opposite to artificial "multiply defined" element.
-@Deprecated('Use Element2 instead')
-@AnalyzerPublicApi(
-    message: 'Exposed because it is implemented by various elements')
-abstract class _ExistingElement implements Element {
-  @Deprecated(elementModelDeprecationMsg)
-  @override
-  Element get declaration;
-
-  @override
-  Source get librarySource;
-
-  @override
-  Source get source;
-}

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

@@ -100,7 +100,7 @@ import 'package:meta/meta.dart';
 // TODO(scheglov): Clean up the list of implicitly analyzed files.
 class AnalysisDriver {
   /// The version of data format, should be incremented on every format change.
-  static const int DATA_VERSION = 454;
+  static const int DATA_VERSION = 455;
 
   /// The number of exception contexts allowed to write. Once this field is
   /// zero, we stop writing any new exception contexts in this process.

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

@@ -687,7 +687,7 @@ abstract class ClassOrMixinElementImpl extends InterfaceElementImpl {
 }
 
 /// A concrete implementation of [LibraryFragment].
-class CompilationUnitElementImpl extends UriReferencedElementImpl
+class CompilationUnitElementImpl extends _ExistingElementImpl
     implements LibraryFragment {
   /// The source that corresponds to this compilation unit.
   @override
@@ -10796,54 +10796,6 @@ mixin TypeParameterizedElementMixin on ElementImpl
   }
 }
 
-abstract class UriReferencedElementImpl extends _ExistingElementImpl
-    implements
-        // ignore:deprecated_member_use_from_same_package,analyzer_use_new_elements
-        UriReferencedElement {
-  /// The offset of the URI in the file, or `-1` if this node is synthetic.
-  int _uriOffset = -1;
-
-  /// The offset of the character immediately following the last character of
-  /// this node's URI, or `-1` if this node is synthetic.
-  int _uriEnd = -1;
-
-  /// The URI that is specified by this directive.
-  String? _uri;
-
-  /// Initialize a newly created import element to have the given [name] and
-  /// [offset]. The offset may be `-1` if the element is synthetic.
-  UriReferencedElementImpl(super.name, super.offset);
-
-  /// Return the URI that is specified by this directive.
-  @override
-  String? get uri => _uri;
-
-  /// Set the URI that is specified by this directive to be the given [uri].
-  set uri(String? uri) {
-    _uri = uri;
-  }
-
-  /// Return the offset of the character immediately following the last
-  /// character of this node's URI, or `-1` if this node is synthetic.
-  @override
-  int get uriEnd => _uriEnd;
-
-  /// Set the offset of the character immediately following the last character
-  /// of this node's URI to the given [offset].
-  set uriEnd(int offset) {
-    _uriEnd = offset;
-  }
-
-  /// Return the offset of the URI in the file, or `-1` if this node is
-  /// synthetic.
-  @override
-  int get uriOffset => _uriOffset;
-
-  /// Set the offset of the URI in the file to the given [offset].
-  set uriOffset(int offset) {
-    _uriOffset = offset;
-  }
-}
 
 /// Common base class for all analyzer-internal classes that implement
 /// `VariableElement2`.

pkg/analyzer/lib/src/summary2/bundle_reader.dart

@@ -1755,7 +1755,6 @@ class LibraryReader {
       ),
     );
 
-    unitElement.uri = _reader.readOptionalStringReference();
     unitElement.isSynthetic = _reader.readBool();
 
     unitElement.libraryImports = _reader.readTypedList(() {

pkg/analyzer/lib/src/summary2/bundle_writer.dart

@@ -629,7 +629,6 @@ class BundleWriter {
   void _writeUnitElement(CompilationUnitElementImpl unitElement) {
     _sink.writeUInt30(_resolutionSink.offset);
 
-    _sink._writeOptionalStringReference(unitElement.uri);
     _sink.writeBool(unitElement.isSynthetic);
 
     _writeList(unitElement.libraryImports, _writeImportElement);

pkg/analyzer/lib/src/summary2/library_builder.dart

@@ -629,7 +629,6 @@ class LibraryBuilder {
           );
           partUnitNode.declaredFragment = unitElement;
           unitElement.isSynthetic = !partFile.exists;
-          unitElement.uri = partFile.uriStr;
           unitElement.setCodeRange(0, partUnitNode.length);
 
           var unitReference =