//  File: etree.h
//
//  Declaration of ETree class for expression trees.

#ifndef _etree_h
#define _etree_h

#include "token.h"
#include "tree.h"

class ETree : public Tree {  // public derivation of Tree
public:
   ETree() ;			// Constructors
   ETree(data) ;				
   ETree(data, ETree *, ETree *) ;

   ~ETree() ;			// Destructor				
   
   int Evaluate() ;		// Evalutate the expression
} ;

#endif