Validate cache consistency asynchronously. Compute modification times of physical files in a separa…

pkg/analysis_server/lib/src/operation/operation_analysis.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 operation.analysis;
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/computer/computer_highlights.dart';
 import 'package:analysis_server/src/computer/computer_highlights2.dart';
 import 'package:analysis_server/src/computer/computer_outline.dart';
@@ skipping 354 matching lines @@
     //   sendStatusNotification(context.toString(), taskDescription);
     // });
     if (!isContinue) {
       setCacheSize(context, WORKING_CACHE_SIZE);
     }
     // prepare results
     AnalysisResult result = context.performAnalysisTask();
     List<ChangeNotice> notices = result.changeNotices;
     // nothing to analyze
     if (notices == null) {
-      bool cacheInconsistencyFixed = context.validateCacheConsistency();
-      if (cacheInconsistencyFixed) {
-        server.addOperation(new PerformAnalysisOperation(context, true));
-        return;
-      }
-      // analysis is done
+      server.scheduleCacheConsistencyValidation(context);
       setCacheSize(context, IDLE_CACHE_SIZE);
       server.sendContextAnalysisDoneNotifications(
           context, AnalysisDoneReason.COMPLETE);
       return;
     }
     // process results
     ServerPerformanceStatistics.notices.makeCurrentWhile(() {
       _sendNotices(server, notices);
       _updateIndex(server, notices);
     });
@@ skipping 149 matching lines @@
 abstract class _SingleFileOperation extends SourceSensitiveOperation {
   final String file;
 
   _SingleFileOperation(AnalysisContext context, this.file) : super(context);
 
   @override
   bool shouldBeDiscardedOnSourceChange(Source source) {
     return source.fullName == file;
   }
 }