298 static int syn_stack_equal(synstate_T *sp);
380     synstate_T	*sp, *prev = NULL;  in syntax_start()  local
503 		sp = syn_block->b_sst_first;  in syntax_start()
505 		sp = prev;  in syntax_start()
506 	    while (sp != NULL && sp->sst_lnum < current_lnum)  in syntax_start()
507 		sp = sp->sst_next;  in syntax_start()
508 	    if (sp != NULL  in syntax_start()
509 		    && sp->sst_lnum == current_lnum  in syntax_start()
510 		    && syn_stack_equal(sp))  in syntax_start()
513 		prev = sp;  in syntax_start()
514 		while (sp != NULL && sp->sst_change_lnum <= parsed_lnum)  in syntax_start()
516 		    if (sp->sst_lnum <= lnum)  in syntax_start()
518 			prev = sp;  in syntax_start()
519 		    else if (sp->sst_change_lnum == 0)  in syntax_start()
522 		    sp->sst_change_lnum = 0;  in syntax_start()
523 		    sp = sp->sst_next;  in syntax_start()
1334     synstate_T	*sp = syn_stack_find_entry(current_lnum);  in store_current_state()  local
1352 	if (sp != NULL)  in store_current_state()
1355 	    if (syn_block->b_sst_first == sp)  in store_current_state()
1357 		syn_block->b_sst_first = sp->sst_next;  in store_current_state()
1362 		    if (p->sst_next == sp)  in store_current_state()
1365 		    p->sst_next = sp->sst_next;  in store_current_state()
1367 	    syn_stack_free_entry(syn_block, sp);  in store_current_state()
1368 	    sp = NULL;  in store_current_state()
1371     else if (sp == NULL || sp->sst_lnum != current_lnum)  in store_current_state()
1381 	    sp = syn_stack_find_entry(current_lnum);  in store_current_state()
1385 	    sp = NULL;  in store_current_state()
1393 	    if (sp == NULL)  in store_current_state()
1402 		p->sst_next = sp->sst_next;  in store_current_state()
1403 		sp->sst_next = p;  in store_current_state()
1405 	    sp = p;  in store_current_state()
1406 	    sp->sst_stacksize = 0;  in store_current_state()
1407 	    sp->sst_lnum = current_lnum;  in store_current_state()
1410     if (sp != NULL)  in store_current_state()
1413 	clear_syn_state(sp);  in store_current_state()
1414 	sp->sst_stacksize = current_state.ga_len;  in store_current_state()
1419 	    ga_init2(&sp->sst_union.sst_ga, (int)sizeof(bufstate_T), 1);  in store_current_state()
1420 	    if (ga_grow(&sp->sst_union.sst_ga, current_state.ga_len) == FAIL)  in store_current_state()
1421 		sp->sst_stacksize = 0;  in store_current_state()
1423 		sp->sst_union.sst_ga.ga_len = current_state.ga_len;  in store_current_state()
1424 	    bp = SYN_STATE_P(&(sp->sst_union.sst_ga));  in store_current_state()
1427 	    bp = sp->sst_union.sst_stack;  in store_current_state()
1428 	for (i = 0; i < sp->sst_stacksize; ++i)  in store_current_state()
1438 	sp->sst_next_flags = current_next_flags;  in store_current_state()
1439 	sp->sst_next_list = current_next_list;  in store_current_state()
1440 	sp->sst_tick = display_tick;  in store_current_state()
1441 	sp->sst_change_lnum = 0;  in store_current_state()
1444     return sp;  in store_current_state()
1498 syn_stack_equal(synstate_T *sp)  in syn_stack_equal()  argument
1505     if (sp->sst_stacksize == current_state.ga_len  in syn_stack_equal()
1506 	    && sp->sst_next_list == current_next_list)  in syn_stack_equal()
1509 	if (sp->sst_stacksize > SST_FIX_STATES)  in syn_stack_equal()
1510 	    bp = SYN_STATE_P(&(sp->sst_union.sst_ga));  in syn_stack_equal()
1512 	    bp = sp->sst_union.sst_stack;  in syn_stack_equal()
1572     synstate_T	*sp;  in syntax_end_parsing()  local
1574     sp = syn_stack_find_entry(lnum);  in syntax_end_parsing()
1575     if (sp != NULL && sp->sst_lnum < lnum)  in syntax_end_parsing()
1576 	sp = sp->sst_next;  in syntax_end_parsing()
1578     if (sp != NULL && sp->sst_change_lnum != 0)  in syntax_end_parsing()
1579 	sp->sst_change_lnum = lnum;  in syntax_end_parsing()
1611     synstate_T	*sp;  in syntax_check_changed()  local
1622 	sp = syn_stack_find_entry(lnum);  in syntax_check_changed()
1623 	if (sp != NULL && sp->sst_lnum == lnum)  in syntax_check_changed()
1635 	    if (syn_stack_equal(sp))  in syntax_check_changed()