AnalysisError `hasFix` attr (Implements #23874).

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

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analysis_server.src.services.correction.fix;
 
 import 'package:analysis_server/edit/fix/fix_core.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
 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
  * reported after it's source was analyzed in the given [context]. The [plugin]
  * is used to get the list of fix contributors.
  */
 List<Fix> computeFixes(ServerPlugin plugin, ResourceProvider resourceProvider,
     AnalysisContext context, AnalysisError error) {
   List<Fix> fixes = <Fix>[];
   List<FixContributor> contributors = plugin.fixContributors;
   for (FixContributor contributor in contributors) {
     try {
       List<Fix> contributedFixes =
           contributor.computeFixes(resourceProvider, context, error);
       if (contributedFixes != null) {
         fixes.addAll(contributedFixes);
       }
     } catch (exception, stackTrace) {
       AnalysisEngine.instance.logger.logError(
           'Exception from fix contributor: ${contributor.runtimeType}',
           new CaughtException(exception, stackTrace));
     }
   }
   fixes.sort(Fix.SORT_BY_RELEVANCE);
   return fixes;
 }
 
 /**
+ * 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 {
   static const ADD_ASYNC =
       const FixKind('ADD_ASYNC', 50, "Add 'async' modifier");
   static const ADD_FIELD_FORMAL_PARAMETERS = const FixKind(
       'ADD_FIELD_FORMAL_PARAMETERS', 30, "Add final field formal parameters");
   static const ADD_MISSING_PARAMETER_POSITIONAL = const FixKind(
       'ADD_MISSING_PARAMETER_POSITIONAL',
       31,
@@ skipping 80 matching lines @@
   static const USE_CONST = const FixKind('USE_CONST', 50, "Change to constant");
   static const USE_EFFECTIVE_INTEGER_DIVISION = const FixKind(
       'USE_EFFECTIVE_INTEGER_DIVISION',
       50,
       "Use effective integer division ~/");
   static const USE_EQ_EQ_NULL =
       const FixKind('USE_EQ_EQ_NULL', 50, "Use == null instead of 'is Null'");
   static const USE_NOT_EQ_NULL =
       const FixKind('USE_NOT_EQ_NULL', 50, "Use != null instead of 'is! Null'");
 }