Better recovery (issue 22693)

pkg/analyzer/lib/src/generated/parser.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.parser;
 
 import "dart:math" as math;
@@ skipping 2426 matching lines @@
         // class that was parsed.
         _parseClassDeclaration(commentAndMetadata, null);
         return null;
       } else if (_matchesKeyword(Keyword.ABSTRACT) &&
           _tokenMatchesKeyword(_peek(), Keyword.CLASS)) {
         _reportErrorForToken(ParserErrorCode.CLASS_IN_CLASS, _peek());
         // TODO(brianwilkerson) We don't currently have any way to capture the
         // class that was parsed.
         _parseClassDeclaration(commentAndMetadata, getAndAdvance());
         return null;
+      } else if (_matchesKeyword(Keyword.ENUM)) {
+        _reportErrorForToken(ParserErrorCode.ENUM_IN_CLASS, _peek());
+        // TODO(brianwilkerson) We don't currently have any way to capture the
+        // enum that was parsed.
+        _parseEnumDeclaration(commentAndMetadata);
+        return null;
       } else if (_isOperator(_currentToken)) {
         //
         // We appear to have found an operator declaration without the
         // 'operator' keyword.
         //
         _validateModifiersForOperator(modifiers);
         return _parseOperator(
             commentAndMetadata, modifiers.externalKeyword, null);
       }
       Token keyword = modifiers.varKeyword;
@@ skipping 6856 matching lines @@
   static const ParserErrorCode DUPLICATE_LABEL_IN_SWITCH_STATEMENT =
       const ParserErrorCode('DUPLICATE_LABEL_IN_SWITCH_STATEMENT',
           "The label {0} was already used in this switch statement");
 
   static const ParserErrorCode DUPLICATED_MODIFIER = const ParserErrorCode(
       'DUPLICATED_MODIFIER', "The modifier '{0}' was already specified.");
 
   static const ParserErrorCode EMPTY_ENUM_BODY = const ParserErrorCode(
       'EMPTY_ENUM_BODY', "An enum must declare at least one constant name");
 
+  static const ParserErrorCode ENUM_IN_CLASS = const ParserErrorCode(
+      'ENUM_IN_CLASS', "Enums cannot be declared inside classes");
+
   static const ParserErrorCode EQUALITY_CANNOT_BE_EQUALITY_OPERAND =
       const ParserErrorCode('EQUALITY_CANNOT_BE_EQUALITY_OPERAND',
           "Equality expression cannot be operand of another equality expression.");
 
   static const ParserErrorCode EXPECTED_CASE_OR_DEFAULT = const ParserErrorCode(
       'EXPECTED_CASE_OR_DEFAULT', "Expected 'case' or 'default'");
 
   static const ParserErrorCode EXPECTED_CLASS_MEMBER =
       const ParserErrorCode('EXPECTED_CLASS_MEMBER', "Expected a class member");
 
@@ skipping 1814 matching lines @@
    * Copy resolution data from one node to another.
    *
    * @param fromNode the node from which resolution information will be copied
    * @param toNode the node to which resolution information will be copied
    */
   static void copyResolutionData(AstNode fromNode, AstNode toNode) {
     ResolutionCopier copier = new ResolutionCopier();
     copier._isEqualNodes(fromNode, toNode);
   }
 }