dart2js cps: Introduce GetStatic/SetStatic.

pkg/compiler/lib/src/cps_ir/cps_ir_nodes_sexpr.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.
 
 library dart2js.ir_nodes_sexpr;
 
 import '../constants/values.dart';
 import '../util/util.dart';
 import 'cps_ir_nodes.dart';
 
@@ skipping 317 matching lines @@
     String body = indentBlock(() => visit(node.body));
     return '$indentation(SetField $object $field $value)\n$body';
   }
 
   String visitGetField(GetField node) {
     String object = access(node.object);
     String field = node.field.name;
     return '(GetField $object $field)';
   }
 
+  String visitGetStatic(GetStatic node) {
+    String element = node.element.name;
+    return '(GetStatic $element)';
+  }
+
+  String visitSetStatic(SetStatic node) {
+    String element = node.element.name;
+    String value = access(node.value);
+    String body = indentBlock(() => visit(node.body));
+    return '$indentation(SetStatic $element $value\n$body)';
+  }
+
   String visitCreateBox(CreateBox node) {
     return '(CreateBox)';
   }
 
   String visitCreateInstance(CreateInstance node) {
     String className = node.classElement.name;
     String arguments = node.arguments.map(access).join(' ');
     String typeInformation = node.typeInformation.map(access).join(' ');
     return '(CreateInstance $className ($arguments)$typeInformation)';
   }
@@ skipping 138 matching lines @@
   void setReturnContinuation(Continuation node) {
     assert(!_names.containsKey(node) || _names[node] == 'return');
     _names[node] = 'return';
   }
 
   String getName(Node node) {
     if (!_names.containsKey(node)) return 'MISSING_NAME';
     return _names[node];
   }
 }