Remove the analysus.reanalyze request from the plugin API

pkg/analysis_server/lib/src/plugin/plugin_manager.dart

 // Copyright (c) 2017, 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.
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:io' show Platform, Process, ProcessResult;
 
 import 'package:analysis_server/src/plugin/notification_manager.dart';
@@ skipping 138 matching lines @@
    * Add the given [contextRoot] to the set of context roots being analyzed by
    * this plugin.
    */
   void addContextRoot(analyzer.ContextRoot contextRoot) {
     if (contextRoots.add(contextRoot)) {
       _updatePluginRoots();
     }
   }
 
   /**
+   * Add the given context [roots] to the set of context roots being analyzed by
+   * this plugin.
+   */
+  void addContextRoots(Iterable<analyzer.ContextRoot> roots) {
+    bool changed = false;
+    for (analyzer.ContextRoot contextRoot in roots) {
+      if (contextRoots.add(contextRoot)) {
+        changed = true;
+      }
+    }
+    if (changed) {
+      _updatePluginRoots();
+    }
+  }
+
+  /**
    * Return `true` if at least one of the context roots being analyzed contains
    * the file with the given [filePath].
    */
   bool isAnalyzing(String filePath) {
     for (var contextRoot in contextRoots) {
       if (contextRoot.containsFile(filePath)) {
         return true;
       }
     }
     return false;
@@ skipping 314 matching lines @@
     for (PluginInfo plugin in plugins) {
       plugin.removeContextRoot(contextRoot);
       if (plugin is DiscoveredPluginInfo && plugin.contextRoots.isEmpty) {
         _pluginMap.remove(plugin.path);
         plugin.stop();
       }
     }
   }
 
   /**
+   * Restart all currently running plugins.
+   */
+  Future<Null> restartPlugins() async {
+    for (PluginInfo plugin in _pluginMap.values.toList()) {
+      if (plugin.currentSession != null) {
+        //
+        // Capture needed state.
+        //
+        Set<analyzer.ContextRoot> contextRoots = plugin.contextRoots;
+        String path = plugin.pluginId;
+        //
+        // Stop the plugin.
+        //
+        await plugin.stop();
+        //
+        // Restart the plugin.
+        //
+        _pluginMap[path] = plugin;
+        PluginSession session = await plugin.start(byteStorePath, sdkPath);
+        session?.onDone?.then((_) {
+          _pluginMap.remove(path);
+        });
+        //
+        // Re-initialize the plugin.
+        //
+        plugin.addContextRoots(contextRoots);
+        if (_analysisSetSubscriptionsParams != null) {
+          plugin.sendRequest(_analysisSetSubscriptionsParams);
+        }
+        if (_overlayState.isNotEmpty) {
+          plugin.sendRequest(new AnalysisUpdateContentParams(_overlayState));
+        }
+        if (_analysisSetPriorityFilesParams != null) {
+          plugin.sendRequest(_analysisSetPriorityFilesParams);
+        }
+      }
+    }
+  }
+
+  /**
    * Send a request based on the given [params] to existing plugins to set the
    * priority files to those specified by the [params]. As a side-effect, record
    * the parameters so that they can be sent to any newly started plugins.
    */
   void setAnalysisSetPriorityFilesParams(
       AnalysisSetPriorityFilesParams params) {
     for (PluginInfo plugin in _pluginMap.values) {
       plugin.sendRequest(params);
     }
     _analysisSetPriorityFilesParams = params;
@@ skipping 474 matching lines @@
    * The completer that will be used to complete the future when the response is
    * received from the plugin.
    */
   final Completer<Response> completer;
 
   /**
    * Initialize a pending request.
    */
   _PendingRequest(this.method, this.requestTime, this.completer);
 }