trash = expr.accept(this); return self;
JExpression newExpr = (JExpression)expr.accept(this); return new JLogicalComplementExpression(null, newExpr);
    public Object visitLogicalComplementExpression(JUnaryExpression self,                                                 JExpression expr)    {        blockStart("LogicalComplementExpression");        trash = expr.accept(this);	return self;    }