smatch_extra.h

   1 /*
   2  * sparse/smatch_extra.h
   3  *
   4  * Copyright (C) 2009 Dan Carpenter.
   5  *
   6  * Licensed under the Open Software License version 1.1
   7  *
   8  */
   9
  10 enum data_type {
  11         DATA_NUM,
  12 };
  13
  14 DECLARE_PTR_LIST(num_list, long long);
  15
  16 struct data_info {
  17         enum data_type type;
  18         int merged;
  19         struct num_list *values;
  20         struct num_list *filter;
  21 };
  22 DECLARE_ALLOCATOR(data_info);
  23
  24 /* these are implimented in smatch_extra_helper.c */
  25 struct data_info *alloc_data_info(long long num);
  26 void add_num(struct num_list **list, long long num);
  27 struct num_list *clone_num_list(struct num_list *list);
  28 struct num_list *num_list_union(struct num_list *one, struct num_list *two);
  29 struct num_list *num_list_intersection(struct num_list *one,
  30                                        struct num_list *two);
  31 int num_matches(struct data_info *dinfo, long long num);
  32 long long get_single_value(struct data_info *dinfo);
  33 int possibly_true(int comparison, struct data_info *dinfo, int num, int left);
  34 int possibly_false(int comparison, struct data_info *dinfo, int num, int left);
  35 void free_data_info_allocs(void);
  36
  37 /* used in smatch_slist.  implemented in smatch_extra.c */
  38 struct sm_state *__extra_merge(struct sm_state *one, struct state_list *slist1,
  39                                struct sm_state *two, struct state_list *slist2);
  40 struct sm_state *__extra_and_merge(struct sm_state *sm,
  41                                      struct state_list_stack *stack);
  42