Expose 'typeProvider' from AnalysisContext.

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 401 matching lines @@
    */
   String get name;
 
   /**
    * Set the client-provided name used to identify this context to the given
    * [name].
    */
   set name(String name);
 
   /**
+   * Returns a type provider for this context or throws [AnalysisException] if
+   * `dart:core` or `dart:async` cannot be resolved.
+   */
+  TypeProvider get typeProvider;
+
+  /**
    * 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 9035 matching lines @@
   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 [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 1504 matching lines @@
       return "resolve unit null source";
     }
     return "resolve unit ${librarySource.fullName}";
   }
 
   @override
   accept(AnalysisTaskVisitor visitor) => visitor.visitResolveDartUnitTask(this);
 
   @override
   void internalPerform() {
-    TypeProvider typeProvider =
-        (_libraryElement.context as InternalAnalysisContext).typeProvider;
+    TypeProvider typeProvider = _libraryElement.context.typeProvider;
     CompilationUnit unit = context.computeResolvableCompilationUnit(source);
     if (unit == null) {
       throw new AnalysisException(
           "Internal error: computeResolvableCompilationUnit returned a value without a parsed Dart unit");
     }
     //
     // Resolve names in declarations.
     //
     new DeclarationResolver().resolve(unit, _find(_libraryElement, source));
     //
@@ skipping 1138 matching lines @@
   visitElement(Element element) {
     if (element.id == _id) {
       result = element;
       throw new _ElementByIdFinderException();
     }
     super.visitElement(element);
   }
 }
 
 class _ElementByIdFinderException {}