Implementation of 'notification.highlight' API.

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 'package:analysis_server/src/analysis_logger.dart';
 import 'package:analysis_server/src/channel.dart';
 import 'package:analysis_server/src/context_directory_manager.dart';
 import 'package:analysis_server/src/domain_analysis.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/resource.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:analyzer/src/generated/source_io.dart';
+import 'package:analysis_server/src/computers.dart';
 
 
 /**
  * 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;
@@ skipping 221 matching lines @@
     }
   }
 
   /**
    * Send the information in the given list of notices back to the client.
    */
   void sendNotices(List<ChangeNotice> notices) {
     for (int i = 0; i < notices.length; i++) {
       ChangeNotice notice = notices[i];
       Source source = notice.source;
-      // send "analysis.errors" notification
-      // TODO(scheglov) use subscriptions to determine if we should do this
+      CompilationUnit dartUnit = notice.compilationUnit;
+      // TODO(scheglov) use subscriptions to determine notifications to send
       if (!source.isInSystemLibrary) {
-        Notification notification = new Notification(AnalysisDomainHandler.ERRORS_NOTIFICATION);
-        notification.setParameter(FILE_PARAM, source.fullName);
-        notification.setParameter(ERRORS_PARAM, notice.errors.map(errorToJson).toList());
-        sendNotification(notification);
+        // errors
+        {
+          Notification notification = new Notification(AnalysisDomainHandler.ERRORS_NOTIFICATION);
+          notification.setParameter(FILE_PARAM, source.fullName);
+          notification.setParameter(ERRORS_PARAM, notice.errors.map(errorToJson).toList());
+          sendNotification(notification);
+        }
+        // highlights
+        if (dartUnit != null) {
+          Notification notification = new Notification(AnalysisDomainHandler.HIGHLIGHTS_NOTIFICATION);
+          notification.setParameter(FILE_PARAM, source.fullName);
+          notification.setParameter(
+              AnalysisDomainHandler.REGIONS_PARAM,
+              new DartUnitHighlightsComputer(dartUnit).compute());
+          sendNotification(notification);
+        }
       }
     }
   }
 
   /**
    * Send status notification to the client. The `contextId` indicates
    * the current context being analyzed or `null` if analysis is complete.
    */
   void sendStatusNotification(String contextId) {
     if (contextId == lastStatusNotificationContextId) {
@@ skipping 199 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);
 }