Implement analysis.updateOptions

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 18 matching lines @@
 
 /**
  * An instance of [DirectoryBasedDartSdk] that is shared between
  * [AnalysisServer] instances to improve performance.
  */
 final DirectoryBasedDartSdk SHARED_SDK = DirectoryBasedDartSdk.defaultSdk;
 
 class AnalysisServerContextDirectoryManager extends ContextDirectoryManager {
   final AnalysisServer analysisServer;
 
+  /**
+   * The default options used to create new analysis contexts.
+   */
+  AnalysisOptionsImpl defaultOptions = new AnalysisOptionsImpl();
+
   AnalysisServerContextDirectoryManager(this.analysisServer, ResourceProvider resourceProvider)
       : super(resourceProvider);
 
   @override
   void addContext(Folder folder, File pubspecFile) {
     ContextDirectory contextDirectory = new ContextDirectory(
         analysisServer.defaultSdk, folder, pubspecFile);
     analysisServer.folderMap[folder] = contextDirectory;
-    analysisServer.schedulePerformAnalysisOperation(contextDirectory.context);
+    AnalysisContext context = contextDirectory.context;
+    context.analysisOptions = new AnalysisOptionsImpl.con1(defaultOptions);
+    analysisServer.schedulePerformAnalysisOperation(context);
   }
 
   @override
   void applyChangesToContext(Folder contextFolder, ChangeSet changeSet) {
     AnalysisContext context = analysisServer.folderMap[contextFolder].context;
     context.applyChanges(changeSet);
     analysisServer.schedulePerformAnalysisOperation(context);
   }
 
   @override
@@ skipping 145 matching lines @@
       AnalysisContext context = directory.context;
       List<Source> sourceList = sourceMap[context];
       if (sourceList == null) {
         sourceList = Source.EMPTY_ARRAY;
       }
       context.analysisPriorityOrder = sourceList;
     });
   }
 
   /**
+   * Use the given updaters to update the values of the options in every
+   * existing analysis context.
+   */
+  void updateOptions(List<OptionUpdater> optionUpdaters) {
+    //
+    // Update existing contexts.
+    //
+    folderMap.forEach((Folder folder, ContextDirectory directory) {
+      AnalysisContext context = directory.context;
+      AnalysisOptionsImpl options = new AnalysisOptionsImpl.con1(context.analysisOptions);
+      optionUpdaters.forEach((OptionUpdater optionUpdater) {
+        optionUpdater(options);
+      });
+      context.analysisOptions = options;
+    });
+    //
+    // Update the defaults used to create new contexts.
+    //
+    AnalysisOptionsImpl options = contextDirectoryManager.defaultOptions;
+    optionUpdaters.forEach((OptionUpdater optionUpdater) {
+      optionUpdater(options);
+    });
+  }
+
+  /**
    * Adds the given [ServerOperation] to the queue, but does not schedule
    * operations execution.
    */
   void addOperation(ServerOperation operation) {
     operationQueue.add(operation);
   }
 
   /**
    * The socket from which requests are being read has been closed.
    */
@@ skipping 310 matching lines @@
       // new PackageUriResolver(),
     ]);
   }
 
   /**
    * Return the [AnalysisContext] of this folder.
    */
   AnalysisContext get context => _context;
 }
 
+typedef void OptionUpdater(AnalysisOptionsImpl options);
 
 /**
  * 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);
 }