return self;
JExpression newLeft = (JExpression)left.accept(this); JExpression newRight = (JExpression)right.accept(this); return new JRelationalExpression(null, oper, newLeft, newRight);
    public Object visitRelationalExpression(JRelationalExpression self,                                          int oper,                                          JExpression left,                                          JExpression right)    {        blockStart("RelationalExpression");	return self;    }