Add instrumentation (issue 22572)

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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine;
 
 import "dart:math" as math;
@@ skipping 384 matching lines @@
   /**
    * Return an array containing all of the sources known to this context that represent the defining
    * compilation unit of a library. The contents of the array can be incomplete.
    *
    * @return the sources known to this context that represent the defining compilation unit of a
    *         library
    */
   List<Source> get librarySources;
 
   /**
+   * Return a client-provided name used to identify this context, or `null` if
+   * the client has not provided a name.
+   */
+  String get name;
+
+  /**
+   * Set the client-provided name used to identify this context to the given
+   * [name].
+   */
+  set name(String name);
+
+  /**
    * The stream that is notified when sources have been added or removed,
    * or the source's content has changed.
    */
   Stream<SourcesChangedEvent> get onSourcesChanged;
 
   /**
    * Return an array containing all of the sources known to this context and their resolution state
    * is not valid or flush. So, these sources are not safe to update during refactoring, because we
    * may be don't know all the references in them.
    *
@@ skipping 509 matching lines @@
    * The next context identifier.
    */
   static int _NEXT_ID = 0;
 
   /**
    * The unique identifier of this context.
    */
   final int _id = _NEXT_ID++;
 
   /**
+   * A client-provided name used to identify this context, or `null` if the
+   * client has not provided a name.
+   */
+  String name;
+
+  /**
    * The set of analysis options controlling the behavior of this context.
    */
   AnalysisOptionsImpl _options = new AnalysisOptionsImpl();
 
   /**
    * A flag indicating whether errors related to sources in the SDK should be generated and
    * reported.
    */
   bool _generateSdkErrors = true;
 
@@ skipping 5887 matching lines @@
   String toString() => taskDescription;
 
   /**
    * Perform this analysis task, ensuring that all exceptions are wrapped in an
    * [AnalysisException].
    *
    * @throws AnalysisException if any exception occurs while performing the task
    */
   void _safelyPerform() {
     try {
+      String contextName = context.name;
+      if (contextName == null) {
+        contextName = 'unnamed';
+      }
+      AnalysisEngine.instance.instrumentationService.logAnalysisTask(
+          contextName,
+          taskDescription);
       internalPerform();
     } on AnalysisException catch (exception) {
       rethrow;
     } catch (exception, stackTrace) {
       throw new AnalysisException(
           exception.toString(),
           new CaughtException(exception, stackTrace));
     }
   }
 }
@@ skipping 2845 matching lines @@
   set contentCache(ContentCache value);
 
   /**
    * Return an array containing all of the sources that have been marked as priority sources.
    * Clients must not modify the returned array.
    *
    * @return the sources that have been marked as priority sources
    */
   List<Source> get prioritySources;
 
+  /** A factory to override how [ResolverVisitor] is created. */
+  ResolverVisitorFactory get resolverVisitorFactory;
+
   /**
    * Returns a statistics about this context.
    */
   AnalysisContextStatistics get statistics;
 
   /**
    * Returns a type provider for this context or throws an exception if dart:core cannot be
    * resolved.
    *
    * @return the type provider (not `null`)
    * @throws AnalysisException if dart:core cannot be resolved
    */
   TypeProvider get typeProvider;
 
-  /** A factory to override how [ResolverVisitor] is created. */
-  ResolverVisitorFactory get resolverVisitorFactory;
-
   /** A factory to override how [TypeResolverVisitor] is created. */
   TypeResolverVisitorFactory get typeResolverVisitorFactory;
 
   /**
    * Add the given source with the given information to this context.
    *
    * @param source the source to be added
    * @param info the information about the source
    */
   void addSourceInfo(Source source, SourceEntry info);
@@ skipping 2713 matching lines @@
     if (element.id == _id) {
       result = element;
       throw new _ElementByIdFinderException();
     }
     super.visitElement(element);
   }
 }
 
 class _ElementByIdFinderException {
 }