gracefully handle internal exceptions during request

pkg/analysis_server/lib/src/generated_protocol.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 file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/spec/generate_files".
 
 part of protocol;
 /**
@@ skipping 8155 matching lines @@
 
 /**
  * RequestErrorCode
  *
  * enum {
  *   GET_ERRORS_INVALID_FILE
  *   INVALID_OVERLAY_CHANGE
  *   INVALID_PARAMETER
  *   INVALID_REQUEST
  *   SERVER_ALREADY_STARTED
+ *   SERVER_ERROR
  *   UNANALYZED_PRIORITY_FILES
  *   UNKNOWN_REQUEST
  *   UNSUPPORTED_FEATURE
  * }
  */
 class RequestErrorCode {
   /**
    * An "analysis.getErrors" request specified a FilePath which does not match
    * a file currently subject to analysis.
    */
@@ skipping 20 matching lines @@
    * The analysis server has already been started (and hence won't accept new
    * connections).
    *
    * This error is included for future expansion; at present the analysis
    * server can only speak to one client at a time so this error will never
    * occur.
    */
   static const SERVER_ALREADY_STARTED = const RequestErrorCode._("SERVER_ALREADY_STARTED");
 
   /**
+   * An internal error occurred in the analysis server. Also see the
+   * server.error notification.
+   */
+  static const SERVER_ERROR = const RequestErrorCode._("SERVER_ERROR");
+
+  /**
    * An "analysis.setPriorityFiles" request includes one or more files that are
    * not being analyzed.
    *
    * This is a legacy error; it will be removed before the API reaches version
    * 1.0.
    */
   static const UNANALYZED_PRIORITY_FILES = const RequestErrorCode._("UNANALYZED_PRIORITY_FILES");
 
   /**
    * A request was received which the analysis server does not recognize, or
@@ skipping 19 matching lines @@
       case "GET_ERRORS_INVALID_FILE":
         return GET_ERRORS_INVALID_FILE;
       case "INVALID_OVERLAY_CHANGE":
         return INVALID_OVERLAY_CHANGE;
       case "INVALID_PARAMETER":
         return INVALID_PARAMETER;
       case "INVALID_REQUEST":
         return INVALID_REQUEST;
       case "SERVER_ALREADY_STARTED":
         return SERVER_ALREADY_STARTED;
+      case "SERVER_ERROR":
+        return SERVER_ERROR;
       case "UNANALYZED_PRIORITY_FILES":
         return UNANALYZED_PRIORITY_FILES;
       case "UNKNOWN_REQUEST":
         return UNKNOWN_REQUEST;
       case "UNSUPPORTED_FEATURE":
         return UNSUPPORTED_FEATURE;
     }
     throw new Exception('Illegal enum value: $name');
   }
 
@@ skipping 1741 matching lines @@
     return false;
   }
 
   @override
   int get hashCode {
     int hash = 0;
     hash = _JenkinsSmiHash.combine(hash, newName.hashCode);
     return _JenkinsSmiHash.finish(hash);
   }
 }