Refactor index operator in SimpleTypeInferrer.

pkg/compiler/lib/src/resolution/access_semantics.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.
 
 // TODO(johnniwinther): Temporarily copied from analyzer2dart. Merge when
 // we shared code with the analyzer and this semantic visitor is complete.
 
 /**
  * Code for classifying the semantics of identifiers appearing in a Dart file.
  */
@@ skipping 125 matching lines @@
   SUPER_FIELD_FIELD,
   /// Read from a superclass field and write to a superclass setter.
   SUPER_FIELD_SETTER,
   /// Read from a superclass getter and write to a superclass setter.
   SUPER_GETTER_SETTER,
   /// Read from a superclass method (closurize) and write to a superclass
   /// setter.
   SUPER_METHOD_SETTER,
   /// Read from a superclass getter and write to a superclass field.
   SUPER_GETTER_FIELD,
+
+  /// Read from a superclass where the getter (and maybe setter) is unresolved.
+  SUPER_UNRESOLVED_GETTER,

[karlklose, 2015/05/11 10:38:55]

'UNRESOLVED_SUPER_GETTER'?

[Johnni Winther, 2015/05/11 13:04:28]

Done.

+  /// Read from a superclass getter and write to an unresolved setter.
+  SUPER_UNRESOLVED_SETTER,
 }
 
 /**
  * Data structure used to classify the semantics of a property access or method
  * or function invocation.
  */
 class AccessSemantics {
   /**
    * The kind of access.
    */
@@ skipping 288 matching lines @@
 
   RedirectingFactoryConstructorAccessSemantics(
       ConstructorAccessKind kind,
       Element element,
       DartType type,
       this.effectiveTargetSemantics)
       : super(kind, element, type);
 }