+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_and(xbt_automaton_exp_label_t left,
+ xbt_automaton_exp_label_t right)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_AND;
+ label->u.or_and.left_exp = left;
+ label->u.or_and.right_exp = right;
+ return label;
+}
+
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_not(xbt_automaton_exp_label_t exp_not)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_NOT;
+ label->u.exp_not = exp_not;
+ return label;
+}
+
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_predicat(const char* p)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_PREDICAT;
+ label->u.predicat = xbt_strdup(p);
+ return label;
+}
+
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_one(void)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_ONE;
+ return label;
+}
+
+xbt_dynar_t xbt_automaton_get_states(const_xbt_automaton_t a)
+{