837   T *singleton () const;
945 list_head <T>::singleton () const  in singleton()  function in list_head
1601   if (singleton () && first->labels.length () == 1)  in if_statement_p()
1672       if (transition *trans = d->singleton ())  in collapse_optional_decisions()
1692 	if (decision *second = d->first->to->singleton ())  in simplify_tests()
1716 	if (transition *trans = d->singleton ())  in simplify_tests()
1719 	    while (decision *d2 = s->singleton ())  in simplify_tests()
1723 		transition *trans2 = d2->singleton ();  in simplify_tests()
1755       transition *trans = d->singleton ();  in common_test_p()
1891   if (!outer->singleton ())  in find_common_test()
1901       transition *trans = d->singleton ();  in find_common_test()
2620   decision *d = sinfo->s->singleton ();  in hash()
2633   decision *d1 = sinfo1->s->singleton ();  in equal()
2634   decision *d2 = sinfo2->s->singleton ();  in equal()
2669   decision *d1 = sinfo1->s->singleton ();  in merge_patterns()
2670   decision *d2 = sinfo2->s->singleton ();  in merge_patterns()
2950   decision *d = sinfo->s->singleton ();  in populate_pattern_routine()
3067   decision *d = sinfo->s->singleton ();  in populate_pattern_use()
3142       if (decision *d = sinfo->s->singleton ())  in split_out_patterns()
3195       decision *d2 = sinfo2->s->singleton ();  in split_out_patterns()
3423 		decision *newd = trans->to->singleton ();  in find_subroutines()
3432 		trans = newd->singleton ();  in find_subroutines()
3537       d2 = d2->singleton ()->to->singleton ();  in mutually_exclusive_p()
3545       transition *trans2 = d2->singleton ();  in mutually_exclusive_p()
3589   decision *d2 = s2->singleton ();  in merge_into_decision()
3590   transition *trans2 = d2->singleton ();  in merge_into_decision()
3806   decision *d2 = s2->singleton ();  in merge_into_state_1()
3832 	      decision *sub_d2 = sub_s2->singleton ();  in merge_into_state_1()
3849 	      transition *sub_trans2 = sub_d2->singleton ();  in merge_into_state_1()
3950 			     && pred->singleton != PARALLEL)  in match_pattern_2()
4437       decision *subd = trans->to->singleton ();  in terminal_pattern_p()
4952       return print_state (os, d->singleton ()->to, indent, is_final);  in print_decision()
4958       transition *trans = d->singleton ();  in print_decision()
4974 	  d = trans->to->singleton ();  in print_decision()
5001       else if (to->singleton ()  in print_decision()