Trigger re-analysis when a file changes on disk.

pkg/analysis_server/lib/src/analysis_server.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;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analysis_server/src/analysis_logger.dart';
@@ skipping 31 matching lines @@
   @override
   void addContext(Folder folder, File pubspecFile) {
     ContextDirectory contextDirectory = new ContextDirectory(
         analysisServer.defaultSdk, folder, pubspecFile);
     analysisServer.folderMap[folder] = contextDirectory;
     analysisServer.schedulePerformAnalysisOperation(contextDirectory.context);
   }
 
   @override
   void applyChangesToContext(Folder contextFolder, ChangeSet changeSet) {
-    analysisServer.folderMap[contextFolder].context.applyChanges(changeSet);
+    AnalysisContext context = analysisServer.folderMap[contextFolder].context;
+    context.applyChanges(changeSet);
+    analysisServer.schedulePerformAnalysisOperation(context);
   }
 
   @override
   void removeContext(Folder folder) {
     analysisServer.folderMap.remove(folder);
   }
 }
 
 /**
  * Instances of the class [AnalysisServer] implement a server that listens on a
@@ skipping 426 matching lines @@
 /**
  * An enumeration of the services provided by the server domain.
  */
 class ServerService extends Enum2<ServerService> {
   static const ServerService STATUS = const ServerService('STATUS', 0);
 
   static const List<ServerService> VALUES = const [STATUS];
 
   const ServerService(String name, int ordinal) : super(name, ordinal);
 }