// Copyright (C) 2006 Google Inc.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  
  /**
   * @fileoverview
   * Registers a language handler for Protocol Buffers as described at
   * http://code.google.com/p/protobuf/.
   *
   * Based on the lexical grammar at
   * http://research.microsoft.com/fsharp/manual/spec2.aspx#_Toc202383715
   *
   * @author mikesamuel@gmail.com
   */
  
  PR['registerLangHandler'](PR['sourceDecorator']({
          'keywords': (
              'bytes,default,double,enum,extend,extensions,false,'
              + 'group,import,max,message,option,'
              + 'optional,package,repeated,required,returns,rpc,service,'
              + 'syntax,to,true'),
          'types': /^(bool|(double|s?fixed|[su]?int)(32|64)|float|string)\b/,
          'cStyleComments': true
        }), ['proto']);