Dartest CL - Please review

compiler/java/com/google/dart/compiler/ast/DartNode.java

 // Copyright (c) 2011, 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.
 
 package com.google.dart.compiler.ast;
 
 import com.google.dart.compiler.common.AbstractNode;
 import com.google.dart.compiler.common.Symbol;
 import com.google.dart.compiler.type.Type;
 import com.google.dart.compiler.type.Types;
 import com.google.dart.compiler.util.DefaultTextOutput;
 
 import java.util.List;
 
 /**
  * Base class for all Dart AST nodes.
  */
 public abstract class DartNode extends AbstractNode implements DartVisitable {
 
   private DartNode parent;
+  private boolean isInstrumentedNode;
 
   public final String toSource() {
     DefaultTextOutput out = new DefaultTextOutput(false);
     new DartToSourceVisitor(out).accept(this);
     return out.toString();
   }
 
   public Symbol getSymbol() {
     return  null;
   }
@@ skipping 127 matching lines @@
     DefaultTextOutput out = new DefaultTextOutput(false);
     new DartToSourceVisitor(out, true).accept(this);
     return out.toString().trim().hashCode();
   }
 
   @Override
   public DartNode clone() {
     // TODO (fabiomfv) - Implement proper cloning when strictly needed.
     return this;
   }
+  
+  public String getObjectIdentifier(){
+    return super.toString();
+  }
+
+  public boolean isInstrumentedNode() {
+    return isInstrumentedNode;
+  }
+
+  public void setInstrumentedNode(boolean isInstrumentedNode) {
+    this.isInstrumentedNode = isInstrumentedNode;
+  }
 }