11f5207b7SJohn Levon struct stree;
21f5207b7SJohn Levon 
31f5207b7SJohn Levon extern int unfree_stree;
41f5207b7SJohn Levon 
51f5207b7SJohn Levon DECLARE_PTR_LIST(state_list, struct sm_state);
61f5207b7SJohn Levon DECLARE_PTR_LIST(state_list_stack, struct state_list);
71f5207b7SJohn Levon 
81f5207b7SJohn Levon struct named_stree {
91f5207b7SJohn Levon 	char *name;
101f5207b7SJohn Levon 	struct symbol *sym;
111f5207b7SJohn Levon 	struct stree *stree;
121f5207b7SJohn Levon };
131f5207b7SJohn Levon DECLARE_ALLOCATOR(named_stree);
141f5207b7SJohn Levon DECLARE_PTR_LIST(named_stree_stack, struct named_stree);
151f5207b7SJohn Levon 
161f5207b7SJohn Levon 
171f5207b7SJohn Levon extern struct state_list_stack *implied_pools;
181f5207b7SJohn Levon extern int __stree_id;
191f5207b7SJohn Levon extern int sm_state_counter;
201f5207b7SJohn Levon 
211f5207b7SJohn Levon const char *show_sm(struct sm_state *sm);
221f5207b7SJohn Levon void __print_stree(struct stree *stree);
231f5207b7SJohn Levon void add_history(struct sm_state *sm);
241f5207b7SJohn Levon int cmp_tracker(const struct sm_state *a, const struct sm_state *b);
251f5207b7SJohn Levon char *alloc_sname(const char *str);
261f5207b7SJohn Levon struct sm_state *alloc_sm_state(int owner, const char *name,
271f5207b7SJohn Levon 				struct symbol *sym, struct smatch_state *state);
281f5207b7SJohn Levon 
291f5207b7SJohn Levon void free_every_single_sm_state(void);
301f5207b7SJohn Levon struct sm_state *clone_sm(struct sm_state *s);
311f5207b7SJohn Levon int is_merged(struct sm_state *sm);
321f5207b7SJohn Levon int is_leaf(struct sm_state *sm);
331f5207b7SJohn Levon struct state_list *clone_slist(struct state_list *from_slist);
341f5207b7SJohn Levon 
351f5207b7SJohn Levon int slist_has_state(struct state_list *slist, struct smatch_state *state);
361f5207b7SJohn Levon 
371f5207b7SJohn Levon int too_many_possible(struct sm_state *sm);
381f5207b7SJohn Levon void add_possible_sm(struct sm_state *to, struct sm_state *new);
391f5207b7SJohn Levon struct sm_state *merge_sm_states(struct sm_state *one, struct sm_state *two);
401f5207b7SJohn Levon struct smatch_state *get_state_stree(struct stree *stree, int owner, const char *name,
411f5207b7SJohn Levon 		    struct symbol *sym);
421f5207b7SJohn Levon 
431f5207b7SJohn Levon struct sm_state *get_sm_state_stree(struct stree *stree, int owner, const char *name,
441f5207b7SJohn Levon 		    struct symbol *sym);
451f5207b7SJohn Levon 
461f5207b7SJohn Levon void overwrite_sm_state_stree(struct stree **stree, struct sm_state *sm);
471f5207b7SJohn Levon void overwrite_sm_state_stree_stack(struct stree_stack **stack, struct sm_state *sm);
481f5207b7SJohn Levon struct sm_state *set_state_stree(struct stree **stree, int owner, const char *name,
491f5207b7SJohn Levon 		     struct symbol *sym, struct smatch_state *state);
501f5207b7SJohn Levon void set_state_stree_perm(struct stree **stree, int owner, const char *name,
511f5207b7SJohn Levon 		     struct symbol *sym, struct smatch_state *state);
521f5207b7SJohn Levon void delete_state_stree(struct stree **stree, int owner, const char *name,
531f5207b7SJohn Levon 			struct symbol *sym);
541f5207b7SJohn Levon 
551f5207b7SJohn Levon void delete_state_stree_stack(struct stree_stack **stack, int owner, const char *name,
561f5207b7SJohn Levon 			struct symbol *sym);
571f5207b7SJohn Levon 
581f5207b7SJohn Levon void push_stree(struct stree_stack **list_stack, struct stree *stree);
591f5207b7SJohn Levon struct stree *pop_stree(struct stree_stack **list_stack);
601f5207b7SJohn Levon struct stree *top_stree(struct stree_stack *stack);
611f5207b7SJohn Levon 
621f5207b7SJohn Levon void free_slist(struct state_list **slist);
631f5207b7SJohn Levon void free_stree_stack(struct stree_stack **stack);
641f5207b7SJohn Levon void free_stack_and_strees(struct stree_stack **stree_stack);
651f5207b7SJohn Levon unsigned long get_pool_count(void);
661f5207b7SJohn Levon 
671f5207b7SJohn Levon struct sm_state *set_state_stree_stack(struct stree_stack **stack, int owner, const char *name,
681f5207b7SJohn Levon 				struct symbol *sym, struct smatch_state *state);
691f5207b7SJohn Levon 
701f5207b7SJohn Levon struct sm_state *get_sm_state_stree_stack(struct stree_stack *stack,
711f5207b7SJohn Levon 				int owner, const char *name,
721f5207b7SJohn Levon 				struct symbol *sym);
731f5207b7SJohn Levon struct smatch_state *get_state_stree_stack(struct stree_stack *stack, int owner,
741f5207b7SJohn Levon 				const char *name, struct symbol *sym);
751f5207b7SJohn Levon 
761f5207b7SJohn Levon int out_of_memory(void);
771f5207b7SJohn Levon int low_on_memory(void);
781f5207b7SJohn Levon void merge_stree(struct stree **to, struct stree *stree);
791f5207b7SJohn Levon void merge_stree_no_pools(struct stree **to, struct stree *stree);
801f5207b7SJohn Levon void merge_stree(struct stree **to, struct stree *right);
811f5207b7SJohn Levon void merge_fake_stree(struct stree **to, struct stree *stree);
821f5207b7SJohn Levon void filter_stree(struct stree **stree, struct stree *filter);
831f5207b7SJohn Levon void and_stree_stack(struct stree_stack **stree_stack);
841f5207b7SJohn Levon 
851f5207b7SJohn Levon void or_stree_stack(struct stree_stack **pre_conds,
861f5207b7SJohn Levon 		    struct stree *cur_stree,
871f5207b7SJohn Levon 		    struct stree_stack **stack);
881f5207b7SJohn Levon 
891f5207b7SJohn Levon struct stree **get_named_stree(struct named_stree_stack *stack,
901f5207b7SJohn Levon 			       const char *name,
911f5207b7SJohn Levon 			       struct symbol *sym);
921f5207b7SJohn Levon 
931f5207b7SJohn Levon void overwrite_stree(struct stree *from, struct stree **to);
941f5207b7SJohn Levon 
951f5207b7SJohn Levon /* add stuff smatch_returns.c here */
961f5207b7SJohn Levon 
971f5207b7SJohn Levon void all_return_states_hook(void (*callback)(void));
981f5207b7SJohn Levon 
99*efe51d0cSJohn Levon void allocate_dynamic_states_array(int num_checks);
100