Convert subclasses of Enum

pkg/analyzer/lib/src/generated/engine.dart

Index: pkg/analyzer/lib/src/generated/engine.dart
diff --git a/pkg/analyzer/lib/src/generated/engine.dart b/pkg/analyzer/lib/src/generated/engine.dart
index e890d38dfb2b1dd780e6028c3bf670c31a5dff46..a5ffe6a1d6c02dd5d978d914658d39c6c7d210e0 100644
--- a/pkg/analyzer/lib/src/generated/engine.dart
+++ b/pkg/analyzer/lib/src/generated/engine.dart
@@ -950,19 +950,21 @@ class AnalysisErrorInfoImpl implements AnalysisErrorInfo {
 /**
  * The levels at which a source can be analyzed.
  */
-class AnalysisLevel extends Enum<AnalysisLevel> {
+class AnalysisLevel implements Comparable<AnalysisLevel> {
   /**
    * Indicates a source should be fully analyzed.
    */
   static const AnalysisLevel ALL = const AnalysisLevel('ALL', 0);
 
   /**
-   * Indicates a source should be resolved and that errors, warnings and hints are needed.
+   * Indicates a source should be resolved and that errors, warnings and hints
+   * are needed.
    */
   static const AnalysisLevel ERRORS = const AnalysisLevel('ERRORS', 1);
 
   /**
-   * Indicates a source should be resolved, but that errors, warnings and hints are not needed.
+   * Indicates a source should be resolved, but that errors, warnings and hints
+   * are not needed.
    */
   static const AnalysisLevel RESOLVED = const AnalysisLevel('RESOLVED', 2);
 
@@ -973,7 +975,26 @@ class AnalysisLevel extends Enum<AnalysisLevel> {
 
   static const List<AnalysisLevel> values = const [ALL, ERRORS, RESOLVED, NONE];
 
-  const AnalysisLevel(String name, int ordinal) : super(name, ordinal);
+  /**
+   * The name of this analysis level.
+   */
+  final String name;
+
+  /**
+   * The ordinal value of the analysis level.
+   */
+  final int ordinal;
+
+  const AnalysisLevel(this.name, this.ordinal);
+
+  @override
+  int get hashCode => ordinal;
+
+  @override
+  int compareTo(AnalysisLevel other) => ordinal - other.ordinal;
+
+  @override
+  String toString() => name;
 }
 
 /**
@@ -1229,13 +1250,6 @@ class AnalysisOptionsImpl implements AnalysisOptions {
   @override
   bool enableAssertMessage = false;
 
-  @deprecated
-  @override
-  bool get enableAsync => true;
-
-  @deprecated
-  void set enableAsync(bool enable) {}
-
   @override
   bool enableGenericMethods = false;
 
@@ -1391,6 +1405,13 @@ class AnalysisOptionsImpl implements AnalysisOptions {
     _analyzeFunctionBodiesPredicate = value;
   }
 
+  @deprecated
+  @override
+  bool get enableAsync => true;
+
+  @deprecated
+  void set enableAsync(bool enable) {}
+
   /**
    * A flag indicating whether interface libraries are to be supported (DEP 40).
    */
@@ -1578,7 +1599,7 @@ abstract class CacheConsistencyValidator {
 /**
  * The possible states of cached data.
  */
-class CacheState extends Enum<CacheState> {
+class CacheState implements Comparable<CacheState> {
   /**
    * The data is not in the cache and the last time an attempt was made to
    * compute the data an exception occurred, making it pointless to attempt to
@@ -1639,7 +1660,26 @@ class CacheState extends Enum<CacheState> {
     VALID
   ];
 
-  const CacheState(String name, int ordinal) : super(name, ordinal);
+  /**
+   * The name of this cache state.
+   */
+  final String name;
+
+  /**
+   * The ordinal value of the cache state.
+   */
+  final int ordinal;
+
+  const CacheState(this.name, this.ordinal);
+
+  @override
+  int get hashCode => ordinal;
+
+  @override
+  int compareTo(CacheState other) => ordinal - other.ordinal;
+
+  @override
+  String toString() => name;
 }
 
 /**