Create LookupMapAnalysis late.

pkg/compiler/lib/src/enqueue.dart

 // Copyright (c) 2012, 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 dart2js.enqueue;
 
 import 'dart:collection' show Queue;
 
 import 'common/resolution.dart' show Resolution;
 import 'common/tasks.dart' show CompilerTask;
@@ skipping 129 matching lines @@
   /// processed and its elements do not need to be seen in the next round. When
   /// `false` is returned, [onQueueEmpty] will be called again once the
   /// resolution queue has drained and [recentClasses] will be a superset of the
   /// current value.
   ///
   /// There is no guarantee that a class is only present once in
   /// [recentClasses], but every class seen by the [enqueuer] will be present in
   /// [recentClasses] at least once.
   bool onQueueEmpty(Enqueuer enqueuer, Iterable<ClassEntity> recentClasses);
 
+  /// Called when to the queue has been closed.
+  void onQueueClosed();
+
   /// Called when to the queue is emptied.
   void logSummary(void log(String message));
 }
 
 abstract class EnqueuerImpl extends Enqueuer {
   CompilerTask get task;
   EnqueuerStrategy get strategy;
   void checkClass(ClassEntity cls);
   void processStaticUse(StaticUse staticUse);
   void processTypeUse(TypeUse typeUse);
   void processDynamicUse(DynamicUse dynamicUse);
   void processConstantUse(ConstantUse constantUse);
   EnqueuerListener get listener;
 
   // TODO(johnniwinther): Initialize [_impactStrategy] to `null`.
   ImpactStrategy _impactStrategy = const ImpactStrategy();
 
   ImpactStrategy get impactStrategy => _impactStrategy;
 
   void open(ImpactStrategy impactStrategy, FunctionEntity mainMethod,
       Iterable<LibraryEntity> libraries) {
     _impactStrategy = impactStrategy;
     listener.onQueueOpen(this, mainMethod, libraries);
   }
 
   void close() {
     // TODO(johnniwinther): Set [_impactStrategy] to `null` and [queueIsClosed]
     // to `true` here.
     _impactStrategy = const ImpactStrategy();
+    listener.onQueueClosed();
   }
 }
 
 /// [Enqueuer] which is specific to resolution.
 class ResolutionEnqueuer extends EnqueuerImpl {
   static const ImpactUseCase IMPACT_USE =
       const ImpactUseCase('ResolutionEnqueuer');
 
   final CompilerTask task;
   final String name;
@@ skipping 414 matching lines @@
   @override
   WorkItem createWorkItem(MemberElement element) {
     assert(invariant(element, element.isDeclaration));
     if (element.isMalformed) return null;
 
     assert(invariant(element, element is AnalyzableElement,
         message: 'Element $element is not analyzable.'));
     return _resolution.createWorkItem(element);
   }
 }