114 	    linenr_T	lnum = 0;  in match_add()  local
129 		lnum = tv_get_number_chk(&subli->li_tv, &error);  in match_add()
132 		if (lnum == 0)  in match_add()
137 		m->pos.pos[i].lnum = lnum;  in match_add()
162 		m->pos.pos[i].lnum = li->li_tv.vval.v_number;  in match_add()
171 	    if (toplnum == 0 || lnum < toplnum)  in match_add()
172 		toplnum = lnum;  in match_add()
173 	    if (botlnum == 0 || lnum >= botlnum)  in match_add()
174 		botlnum = lnum + 1;  in match_add()
333 	cur->hl.lnum = 0;  in init_search_hl()
342     search_hl->lnum = 0;  in init_search_hl()
354     linenr_T	    lnum,  in next_search_hl_pos()  argument
365 	if (pos->lnum == 0)  in next_search_hl_pos()
369 	if (pos->lnum == lnum)  in next_search_hl_pos()
395 	shl->lnum = lnum;  in next_search_hl_pos()
396 	shl->rm.startpos[0].lnum = 0;  in next_search_hl_pos()
398 	shl->rm.endpos[0].lnum = 0;  in next_search_hl_pos()
420     linenr_T	    lnum,  in next_search_hl()  argument
430     if (lnum < search_first_line || lnum > search_last_line)  in next_search_hl()
432 	shl->lnum = 0;  in next_search_hl()
436     if (shl->lnum != 0)  in next_search_hl()
442 	l = shl->lnum + shl->rm.endpos[0].lnum - shl->rm.startpos[0].lnum;  in next_search_hl()
443 	if (lnum > l)  in next_search_hl()
444 	    shl->lnum = 0;  in next_search_hl()
445 	else if (lnum < l || shl->rm.endpos[0].col > mincol)  in next_search_hl()
457 	    shl->lnum = 0;		// no match found in time  in next_search_hl()
466 	if (shl->lnum == 0)  in next_search_hl()
469 		|| (shl->rm.endpos[0].lnum == 0  in next_search_hl()
475 	    ml = ml_get_buf(shl->buf, lnum, FALSE) + matchcol;  in next_search_hl()
479 		shl->lnum = 0;  in next_search_hl()
490 	shl->lnum = lnum;  in next_search_hl()
500 	    nmatched = vim_regexec_multi(&shl->rm, win, shl->buf, lnum,  in next_search_hl()
522 		shl->lnum = 0;  in next_search_hl()
528 	    nmatched = next_search_hl_pos(shl, lnum, &(cur->pos), matchcol);  in next_search_hl()
533 	    shl->lnum = 0;		// no match found  in next_search_hl()
536 	if (shl->rm.startpos[0].lnum > 0  in next_search_hl()
541 	    shl->lnum += shl->rm.startpos[0].lnum;  in next_search_hl()
551 prepare_search_hl(win_T *wp, match_T *search_hl, linenr_T lnum)  in prepare_search_hl()  argument
576 		&& shl->lnum == 0  in prepare_search_hl()
582 		for (shl->first_lnum = lnum;  in prepare_search_hl()
595 	    while (shl->first_lnum < lnum && (shl->rm.regprog != NULL  in prepare_search_hl()
602 		if (shl->lnum != 0)  in prepare_search_hl()
604 		    shl->first_lnum = shl->lnum  in prepare_search_hl()
605 				    + shl->rm.endpos[0].lnum  in prepare_search_hl()
606 				    - shl->rm.startpos[0].lnum;  in prepare_search_hl()
629 	linenr_T    lnum,  in prepare_search_hl_line()  argument
661 	next_search_hl(wp, search_hl, shl, lnum, mincol,  in prepare_search_hl_line()
666 	*line = ml_get_buf(wp->w_buffer, lnum, FALSE);  in prepare_search_hl_line()
668 	if (shl->lnum != 0 && shl->lnum <= lnum)  in prepare_search_hl_line()
670 	    if (shl->lnum == lnum)  in prepare_search_hl_line()
674 	    if (lnum == shl->lnum + shl->rm.endpos[0].lnum  in prepare_search_hl_line()
675 						- shl->rm.startpos[0].lnum)  in prepare_search_hl_line()
711 	linenr_T    lnum,  in update_search_hl()  argument
774 		next_search_hl(wp, search_hl, shl, lnum, col,  in update_search_hl()
780 		*line = ml_get_buf(wp->w_buffer, lnum, FALSE);  in update_search_hl()
782 		if (shl->lnum == lnum)  in update_search_hl()
785 		    if (shl->rm.endpos[0].lnum == 0)  in update_search_hl()
1008 		if (llpos->lnum == 0)  in f_getmatches()
1013 		list_append_number(l, (varnumber_T)llpos->lnum);  in f_getmatches()