Fix for limited invalidation in the middle, and the unlimited invalidation for an exported library.

pkg/analyzer/lib/src/task/dart.dart

 // Copyright (c) 2015, 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 analyzer.src.task.dart;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 5700 matching lines @@
    * given [target].
    */
   static Map<String, TaskInput> buildInputs(AnalysisTarget target) {
     // TODO(brianwilkerson) This task updates the element model to have type
     // information and updates the class hierarchy. It should produce a new
     // version of the element model in order to record those changes.
     LibrarySpecificUnit unit = target;
     return <String, TaskInput>{
       'importsExportNamespace':
           IMPORTED_LIBRARIES.of(unit.library).toMapOf(LIBRARY_ELEMENT4),
+      'dependOnAllExportedSources':
+          IMPORTED_LIBRARIES.of(unit.library).toMapOf(EXPORT_SOURCE_CLOSURE),
       LIBRARY_INPUT: LIBRARY_ELEMENT4.of(unit.library),
       UNIT_INPUT: RESOLVED_UNIT3.of(unit),
       TYPE_PROVIDER_INPUT: TYPE_PROVIDER.of(AnalysisContextTarget.request)
     };
   }
 
   /**
    * Create a [ResolveTopLevelUnitTypeBoundsTask] based on the given [target] in
    * the given [context].
    */
@@ skipping 791 matching lines @@
 
   @override
   bool moveNext() {
     if (_newSources.isEmpty) {
       return false;
     }
     currentTarget = _newSources.removeLast();
     return true;
   }
 }