Add SuperPropertyGet.

pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart

 // Copyright (c) 2016, 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.
 
 import 'package:js_runtime/shared/embedded_names.dart';
 import 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/names.dart';
 import '../compiler.dart';
@@ skipping 184 matching lines @@
   Name getName(ir.Name name) {
     return new Name(
         name.name, name.isPrivate ? getElement(name.library) : null);
   }
 
   ir.Field getFieldFromElement(FieldElement field) {
     return kernel.fields[field];
   }
 
   Selector getSelector(ir.Expression node) {
-    if (node is ir.PropertyGet) return getGetterSelector(node);
-    if (node is ir.PropertySet) return getSetterSelector(node);
+    if (node is ir.PropertyGet || node is ir.SuperPropertyGet) {
+      return getGetterSelector(node);
+    }
+    if (node is ir.PropertySet || node is ir.SuperPropertySet) {
+      return getSetterSelector(node);
+    }
     if (node is ir.InvocationExpression) return getInvocationSelector(node);
     _compiler.reporter.internalError(getNode(node),
         "Can only get the selector for a property get or an invocation.");
     return null;
   }
 
   Selector getInvocationSelector(ir.InvocationExpression invocation) {
     Name name = getName(invocation.name);
     SelectorKind kind;
     if (Elements.isOperatorName(invocation.name.name)) {
       if (name == Names.INDEX_NAME || name == Names.INDEX_SET_NAME) {
         kind = SelectorKind.INDEX;
       } else {
         kind = SelectorKind.OPERATOR;
       }
     } else {
       kind = SelectorKind.CALL;
     }
 
     CallStructure callStructure = getCallStructure(invocation.arguments);
     return new Selector(kind, name, callStructure);
   }
 
-  Selector getGetterSelector(ir.PropertyGet getter) {
+  Selector getGetterSelector(ir.Expression getter) {
+    // Getter is a PropertyGet or SuperPropertyGet.
+    // TODO(efortuna): Common interface?

[Emily Fortuna, 2017/01/31 00:17:16]

these are clearly screaming out for a common interface.... :-/

     ir.Name irName = getter.name;
     Name name = new Name(
         irName.name, irName.isPrivate ? getElement(irName.library) : null);
     return new Selector.getter(name);
   }
 
-  Selector getSetterSelector(ir.PropertySet setter) {
+  Selector getSetterSelector(ir.Expression setter) {
+    // Getter is a PropertySet or SuperPropertySet.
+    // TODO(efortuna): Common interface?
     ir.Name irName = setter.name;
     Name name = new Name(
         irName.name, irName.isPrivate ? getElement(irName.library) : null);
     return new Selector.setter(name);
   }
 
   TypeMask typeOfInvocation(ir.MethodInvocation send, ClosedWorld closedWorld) {
     ast.Node operatorNode = kernel.nodeToAstOperator[send];
     if (operatorNode != null) {
       return _resultOf(_target).typeOfOperator(operatorNode);
@@ skipping 861 matching lines @@
       JumpTarget continueTarget =
           astAdapter.getJumpTarget(switchCase, isContinueTarget: true);
       assert(continueTarget is KernelJumpTarget);
       targetIndexMap[continueTarget] = switchIndex;
       assert(builder.jumpTargets[continueTarget] == null);
       builder.jumpTargets[continueTarget] = this;
       switchIndex++;
     }
   }
 }