trash = expr.accept(this); return self;
JExpression newExpr = (JExpression)expr.accept(this); return new JParenthesedExpression(null, newExpr);
    public Object visitParenthesedExpression(JParenthesedExpression self,                                           JExpression expr)    {        // Not parenthesized?        blockStart("ParenthesedExpression");        trash = expr.accept(this);	return self;    }