AnalysisError `hasFix` attr (Implements #23874).

pkg/analysis_server/lib/src/services/correction/fix.dart

Index: pkg/analysis_server/lib/src/services/correction/fix.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix.dart b/pkg/analysis_server/lib/src/services/correction/fix.dart
index e1f81f641a1f8c561b41587a752098c60d5f3e7e..cd1900a1f76c88cfead8cb8b7620f77f7e255a90 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix.dart
@@ -10,6 +10,7 @@ import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
+import 'package:analyzer/src/generated/parser.dart';
 
 /**
  * Compute and return the fixes available for the given [error]. The error was
@@ -38,6 +39,77 @@ List<Fix> computeFixes(ServerPlugin plugin, ResourceProvider resourceProvider,
 }
 
 /**
+ * Return true if this [errorCode] is likely to have a fix associated with it.
+ */
+bool hasFix(ErrorCode errorCode) {
+  switch (errorCode) {
+    case StaticWarningCode.UNDEFINED_CLASS_BOOLEAN:
+    case StaticWarningCode.CONCRETE_CLASS_WITH_ABSTRACT_MEMBER:
+    case StaticWarningCode.EXTRA_POSITIONAL_ARGUMENTS:
+    case StaticWarningCode.NEW_WITH_UNDEFINED_CONSTRUCTOR:
+    case StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE:
+    case StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_TWO:
+    case StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE:
+    case StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FOUR:
+    case StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS:
+    case StaticWarningCode.CAST_TO_NON_TYPE:
+    case StaticWarningCode.TYPE_TEST_WITH_UNDEFINED_NAME:
+    case StaticWarningCode.UNDEFINED_CLASS:
+    case StaticWarningCode.FINAL_NOT_INITIALIZED:
+    case StaticWarningCode.FINAL_NOT_INITIALIZED_CONSTRUCTOR_1:
+    case StaticWarningCode.FINAL_NOT_INITIALIZED_CONSTRUCTOR_2:
+    case StaticWarningCode.FINAL_NOT_INITIALIZED_CONSTRUCTOR_3_PLUS:
+    case StaticWarningCode.UNDEFINED_IDENTIFIER:
+      return true;
+  }
+
+  switch (errorCode) {
+    case CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE:
+    case CompileTimeErrorCode.INVALID_ANNOTATION:
+    case CompileTimeErrorCode.NO_DEFAULT_SUPER_CONSTRUCTOR_EXPLICIT:
+    case CompileTimeErrorCode.PART_OF_NON_PART:
+    case CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT:
+    case CompileTimeErrorCode.URI_DOES_NOT_EXIST:
+      return true;
+  }
+
+  switch (errorCode) {
+    case HintCode.DEAD_CODE:
+    case HintCode.DIVISION_OPTIMIZATION:
+    case HintCode.TYPE_CHECK_IS_NOT_NULL:
+    case HintCode.TYPE_CHECK_IS_NULL:
+    case HintCode.UNDEFINED_GETTER:
+    case HintCode.UNDEFINED_SETTER:
+    case HintCode.UNNECESSARY_CAST:
+    case HintCode.UNUSED_CATCH_CLAUSE:
+    case HintCode.UNUSED_CATCH_STACK:
+    case HintCode.UNUSED_IMPORT:
+    case HintCode.UNDEFINED_METHOD:
+      return true;
+  }
+
+  switch (errorCode) {
+    case ParserErrorCode.EXPECTED_TOKEN:
+    case ParserErrorCode.GETTER_WITH_PARAMETERS:
+    case ParserErrorCode.VAR_AS_TYPE_NAME:
+      return true;
+  }
+
+  switch (errorCode) {
+    case StaticTypeWarningCode.ILLEGAL_ASYNC_RETURN_TYPE:
+    case StaticTypeWarningCode.INSTANCE_ACCESS_TO_STATIC_MEMBER:
+    case StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION:
+    case StaticTypeWarningCode.NON_TYPE_AS_TYPE_ARGUMENT:
+    case StaticTypeWarningCode.UNDEFINED_FUNCTION:
+    case StaticTypeWarningCode.UNDEFINED_GETTER:
+    case StaticTypeWarningCode.UNDEFINED_METHOD:
+    case StaticTypeWarningCode.UNDEFINED_SETTER:
+      return true;
+  }
+  return false;
+}
+
+/**
  * An enumeration of possible quick fix kinds.
  */
 class DartFixKind {