static function Configshow(PHP_ParserGenerator_Config $cfp)
    {
        $fp = fopen('php://output', 'w');
        while ($cfp) {
            if ($cfp->dot == $cfp->rp->nrhs) {
                $buf = sprintf('(%d)', $cfp->rp->index);
                fprintf($fp, '    %5s ', $buf);
            } else {
                fwrite($fp,'          ');
            }
            $cfp->ConfigPrint($fp);
            fwrite($fp, "\n");
            if (0) {
                //SetPrint(fp,cfp->fws,$this);
                //PlinkPrint(fp,cfp->fplp,"To  ");
                //PlinkPrint(fp,cfp->bplp,"From");
            }
            $cfp = $cfp->next;
        }
        fwrite($fp, "\n");
        fclose($fp);
    }