static function Configlist_closure(PHP_ParserGenerator_Data $lemp)
    {
        for ($cfp = self::$current; $cfp; $cfp = $cfp->next) {
            $rp = $cfp->rp;
            $dot = $cfp->dot;
            if ($dot >= $rp->nrhs) {
                continue;
            }
            $sp = $rp->rhs[$dot];
            if ($sp->type == PHP_ParserGenerator_Symbol::NONTERMINAL) {
                if ($sp->rule === 0 && $sp !== $lemp->errsym) {
                    PHP_ParserGenerator::ErrorMsg($lemp->filename, $rp->line,
                        "Nonterminal \"%s\" has no rules.", $sp->name);
                    $lemp->errorcnt++;
                }
                for ($newrp = $sp->rule; $newrp; $newrp = $newrp->nextlhs) {
                    $newcfp = self::Configlist_add($newrp, 0);
                    for ($i = $dot + 1; $i < $rp->nrhs; $i++) {
                        $xsp = $rp->rhs[$i];
                        if ($xsp->type == PHP_ParserGenerator_Symbol::TERMINAL) {
                            $newcfp->fws[$xsp->index] = 1;
                            break;
                        } elseif ($xsp->type == PHP_ParserGenerator_Symbol::MULTITERMINAL) {
                            for ($k = 0; $k < $xsp->nsubsym; $k++) {
                                $newcfp->fws[$xsp->subsym[$k]->index] = 1;
                            }
                            break;
                        } else {
                            $a = array_diff_key($xsp->firstset, $newcfp->fws);
                            $newcfp->fws += $a;
                            if ($xsp->lambda === false) {
                                break;
                            }
                        }
                    }
                    if ($i == $rp->nrhs) {
                        PHP_ParserGenerator_PropagationLink::Plink_add($cfp->fplp, $newcfp);
                    }
                }
            }
        }
    }