Support refresh of individual analysis roots (issue 22254)

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 'dart:math' show max;
 
@@ skipping 715 matching lines @@
         if (_onAnalysisCompleteCompleter != null) {
           _onAnalysisCompleteCompleter.complete();
           _onAnalysisCompleteCompleter = null;
         }
         ServerPerformanceStatistics.idle.makeCurrent();
       }
     }
   }
 
   /**
-   * Trigger reanalysis of all files from disk.
+   * Trigger reanalysis of all files in the given list of analysis [roots], or
+   * everything if the analysis roots is `null`.
    */
-  void reanalyze() {
+  void reanalyze(List<Resource> roots) {
     // Clear any operations that are pending.
     operationQueue.clear();

[scheglov, 2015/03/30 19:41:44]

What is there were pending operations for other roots?

[Brian Wilkerson, 2015/03/30 20:33:38]

Good catch!

     // Instruct the contextDirectoryManager to rebuild all contexts from
     // scratch.
-    contextDirectoryManager.refresh();
+    contextDirectoryManager.refresh(roots);
   }
 
   /**
    * Schedules execution of the given [ServerOperation].
    */
   void scheduleOperation(ServerOperation operation) {
     addOperation(operation);
     _schedulePerformOperation();
   }
 
@@ skipping 669 matching lines @@
   /**
    * The [PerformanceTag] for time spent in server request handlers.
    */
   static PerformanceTag serverRequests = new PerformanceTag('serverRequests');
 
   /**
    * The [PerformanceTag] for time spent in split store microtasks.
    */
   static PerformanceTag splitStore = new PerformanceTag('splitStore');
 }