AnalysisEngine.userDefinedPlugins setter.

pkg/analyzer/lib/src/generated/engine.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 engine;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:math' as math;
 
@@ skipping 538 matching lines @@
    * source file is not scheduled to be analyzed within the context of the
    * given library.
    */
   CancelableFuture<CompilationUnit> computeResolvedCompilationUnitAsync(
       Source source, Source librarySource);
 
   /**
    * Perform work until the given [result] has been computed for the given
    * [target]. Return the computed value.
    */
-  Object /*V*/ computeResult(AnalysisTarget target, ResultDescriptor /*<V>*/ result);
+  Object /*V*/ computeResult(
+      AnalysisTarget target, ResultDescriptor /*<V>*/ result);
 
   /**
    * Notifies the context that the client is going to stop using this context.
    */
   void dispose();
 
   /**
    * Return `true` if the given [source] exists.
    *
    * This method should be used rather than the method [Source.exists] because
@@ skipping 152 matching lines @@
    */
   @deprecated
   ht.HtmlUnit getResolvedHtmlUnit(Source htmlSource);
 
   /**
    * Return the value of the given [result] for the given [target].
    *
    * If the corresponding [target] does not exist, or the [result] is not
    * computed yet, then the default value is returned.
    */
-  Object /*V*/ getResult(AnalysisTarget target, ResultDescriptor /*<V>*/ result);
+  Object /*V*/ getResult(
+      AnalysisTarget target, ResultDescriptor /*<V>*/ result);
 
   /**
    * Return a list of the sources being analyzed in this context whose full path
    * is equal to the given [path].
    */
   List<Source> getSourcesWithFullName(String path);
 
   /**
    * Invalidates hints in the given [librarySource] and included parts.
    */
@@ skipping 5153 matching lines @@
    */
   bool useTaskModel = false;
 
   /**
    * A flag indicating whether the task model should attempt to limit
    * invalidation after a change.
    */
   bool limitInvalidationInTaskModel = false;
 
   /**
+   * The plugins that are defined outside the `analyzer` package.
+   */
+  List<Plugin> _userDefinedPlugins = <Plugin>[];
+
+  /**
    * The task manager used to manage the tasks used to analyze code.
    */
   TaskManager _taskManager;
 
   AnalysisEngine._();
 
   /**
    * Return the instrumentation service that is to be used by this analysis
    * engine.
    */
@@ skipping 28 matching lines @@
   /**
    * Return the list of supported plugins for processing by clients.
    */
   List<Plugin> get supportedPlugins {
     if (_supportedPlugins == null) {
       _supportedPlugins = <Plugin>[
         enginePlugin,
         commandLinePlugin,
         optionsPlugin
       ];
+      _supportedPlugins.addAll(_userDefinedPlugins);
     }
     return _supportedPlugins;
   }
 
   /**
    * Return the task manager used to manage the tasks used to analyze code.
    */
   TaskManager get taskManager {
     if (_taskManager == null) {
-      if (enginePlugin.taskExtensionPoint == null) {
-        // The plugin wasn't used, so tasks are not registered.
-        new ExtensionManager().processPlugins([enginePlugin]);
-      }
+      new ExtensionManager().processPlugins(supportedPlugins);
       _taskManager = new TaskManager();
       _taskManager.addTaskDescriptors(enginePlugin.taskDescriptors);
       // TODO(brianwilkerson) Create a way to associate different results with
       // different file suffixes, then make this pluggable.
       _taskManager.addGeneralResult(DART_ERRORS);
     }
     return _taskManager;
   }
 
   /**
+   * Set plugins that are defined outside the `analyzer` package.
+   */
+  void set userDefinedPlugins(List<Plugin> plugins) {
+    if (plugins == null) {
+      plugins = <Plugin>[];
+    }
+    _userDefinedPlugins = plugins;
+    _supportedPlugins = null;
+    _taskManager = null;
+  }
+
+  /**
    * Clear any caches holding on to analysis results so that a full re-analysis
    * will be performed the next time an analysis context is created.
    */
   void clearCaches() {
     partitionManager.clearCache();
   }
 
   /**
    * Create and return a new context in which analysis can be performed.
    */
@@ skipping 6030 matching lines @@
     PendingFuture pendingFuture =
         new PendingFuture<T>(_context, source, computeValue);
     if (!pendingFuture.evaluate(sourceEntry)) {
       _context._pendingFutureSources
           .putIfAbsent(source, () => <PendingFuture>[])
           .add(pendingFuture);
     }
     return pendingFuture.future;
   }
 }