diff --git a/src/eu.aniketos.dasca.crosslanguage/src/main/scala/eu/aniketos/dasca/crosslanguage/cg/CallTree.scala b/src/eu.aniketos.dasca.crosslanguage/src/main/scala/eu/aniketos/dasca/crosslanguage/cg/CallTree.scala
new file mode 100644
index 0000000..6153a0c
--- /dev/null
+++ b/src/eu.aniketos.dasca.crosslanguage/src/main/scala/eu/aniketos/dasca/crosslanguage/cg/CallTree.scala
@@ -0,0 +1,91 @@
+/*
+ * (C) Copyright 2016   The University of Sheffield.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ */
+
+package eu.aniketos.dasca.crosslanguage.cg;
+
+import java.util.ArrayList
+import com.ibm.wala.classLoader.CallSiteReference
+import com.ibm.wala.classLoader.Language
+import com.ibm.wala.ipa.callgraph.CGNode;
+import com.ibm.wala.cast.js.loader.JavaScriptLoader
+import com.ibm.wala.cast.js.types.JavaScriptMethods
+
+class CallTree( data:CGNode, parent:CallTree,level:Integer){
+	private var children = List[CallTree]()
+
+	def this(data:CGNode) = this(data, null, 0)
+	
+	def addChildren(data:CGNode) = children :+ new CallTree(data, this, level+1)
+	
+	/**
+	 * this method return the path from current Node to root
+	 * @return  
+	 * return An ArrayList which contains path of currentNode 
+	 */
+	def getPathOfNode():List[CGNode] = {
+		var path = List[CGNode]()
+		var currentNode = this
+		do{
+	       path :+ this
+     		 currentNode = currentNode.getParent()
+		     if(currentNode.getParent()==null){
+			       path :+ currentNode.getValue()
+		     }
+		}while(currentNode.getParent()!=null);
+		return path;
+	}
+	
+	def getValue() = data
+	def getParent() = parent
+	def getChildren() = children
+	def getLevel() = level
+	
+	
+	def printPath(method:CallSiteReference) = {
+		var JSPart   = List[CGNode]()
+	  var JavaPart = List[CGNode]()
+	
+		val it = getPathOfNode().reverse.iterator
+		
+		for(node <- it){
+			if(node.getMethod().getDeclaringClass().getClassLoader().getLanguage()!=Language.JAVA){
+				JSPart :+ node
+			}else{
+				JavaPart :+ node
+			}
+		}
+		
+		System.out.println("JavaScript Part: ");
+			for(JSNode <- JSPart.iterator){
+				val Entryposition = (JSNode.getMethod().asInstanceOf[JavaScriptLoader#JavaScriptMethodObject]).getEntity().getPosition().toString();
+				val methodName =  (JSNode.getMethod().asInstanceOf[JavaScriptLoader#JavaScriptMethodObject]).getEntity().toString();
+				val name = (JSNode.getMethod().asInstanceOf[JavaScriptLoader#JavaScriptMethodObject]).toString();
+				System.out.println("FilePosition:	"+Entryposition);
+				System.out.println("	Method name: "+ methodName+" ");
+				System.out.println("		name: "+ name);
+				System.out.print("  ->");
+			}
+			
+		System.out.println("Java Part: ");
+			for(JavaNode <- JavaPart.iterator){
+				System.out.print(JavaNode.getMethod().getDeclaringClass().getName().getClassName()+": ");
+				System.out.print("method: "+ JavaNode.getMethod().getName()+", ");
+				System.out.println("path: "+JavaNode.getMethod().getDeclaringClass().getName().getPackage().toString());
+				System.out.print("  ->");
+			}
+		
+		System.out.print(method.getDeclaredTarget().getDeclaringClass().getName().getClassName()+": ");
+		System.out.print("method: "+ method.getDeclaredTarget().getName()+", ");
+		System.out.println("path: "+ method.getDeclaredTarget().getDeclaringClass().getName().getPackage().toString());
+		System.out.println("------------");
+	}
+	
+	
+}