@Override
    public void caseANegateExp(ANegateExp node)
    {
    	for(int i=0;i<indent;i++) System.out.print(" ");
    	indent++;
    	System.out.println("(Negate");
    	
        inANegateExp(node);
        if(node.getExl() != null)
        {
            node.getExl().apply(this);
        }
        if(node.getExp() != null)
        {
            node.getExp().apply(this);
        }
        outANegateExp(node);
        
        indent--;
        for(int i=0;i<indent;i++) System.out.print(" ");
        System.out.println(")");
    }