idl_parser: An error should be reduced to DictionaryMembers

tools/idl_parser/idl_parser.py

 #!/usr/bin/env python
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """ Parser for PPAPI IDL """
 
 #
 # IDL Parser
 #
@@ skipping 289 matching lines @@
     p[0] = self.BuildError(p, 'Dictionary')
 
   # [12]
   def p_DictionaryMembers(self, p):
     """DictionaryMembers : ExtendedAttributeList DictionaryMember DictionaryMembers
                          |"""
     if len(p) > 1:
       p[2].AddChildren(p[1])
       p[0] = ListFromConcat(p[2], p[3])
 
+  # [12.1] Error recovery for DictionaryMembers
+  def p_DictionaryMembersError(self, p):
+    """DictionaryMembers : ExtendedAttributeList error"""
+    p[0] = self.BuildError(p, 'DictionaryMembers')
+
   # [13]
   def p_DictionaryMember(self, p):
     """DictionaryMember : Required Type identifier Default ';'"""
     p[0] = self.BuildNamed('Key', p, 3, ListFromConcat(p[1], p[2], p[4]))
 
   # [14]
   def p_Required(self, p):
     """Required : REQUIRED
                 |"""
     if len(p) > 1:
@@ skipping 963 matching lines @@
 
   print '\n'.join(ast.Tree(accept_props=['PROD']))
   if errors:
     print '\nFound %d errors.\n' % errors
 
   return errors
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))