15 * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
16 */
17
18 DECLARE_PTR_LIST(range_list, struct data_range);
19 DECLARE_PTR_LIST(range_list_stack, struct range_list);
20
21 struct relation {
22 char *name;
23 struct symbol *sym;
24 };
25
26 DECLARE_PTR_LIST(related_list, struct relation);
27
28 struct data_info {
29 struct related_list *related;
30 struct range_list *value_ranges;
31 sval_t fuzzy_max;
32 unsigned int hard_max:1;
33 unsigned int capped:1;
34 unsigned int treat_untagged:1;
35 };
36 DECLARE_ALLOCATOR(data_info);
37
38 extern struct string_list *__ignored_macros;
39
40 /* these are implemented in smatch_ranges.c */
41 struct range_list *rl_zero(void);
42 struct range_list *rl_one(void);
43 char *show_rl(struct range_list *list);
44 int str_to_comparison_arg(const char *c, struct expression *call, int *comparison, struct expression **arg);
45 void str_to_rl(struct symbol *type, char *value, struct range_list **rl);
46 void call_results_to_rl(struct expression *call, struct symbol *type, const char *value, struct range_list **rl);
47
48 struct data_range *alloc_range(sval_t min, sval_t max);
49 struct data_range *alloc_range_perm(sval_t min, sval_t max);
50
51 int rl_fits_in_type(struct range_list *rl, struct symbol *type);
52
53 struct range_list *alloc_rl(sval_t min, sval_t max);
54 struct range_list *clone_rl(struct range_list *list);
84
85 sval_t rl_min(struct range_list *rl);
86 sval_t rl_max(struct range_list *rl);
87 int rl_to_sval(struct range_list *rl, sval_t *sval);
88 struct symbol *rl_type(struct range_list *rl);
89
90 struct range_list *rl_filter(struct range_list *rl, struct range_list *filter);
91 struct range_list *rl_intersection(struct range_list *one, struct range_list *two);
92 struct range_list *rl_union(struct range_list *one, struct range_list *two);
93 struct range_list *rl_binop(struct range_list *left, int op, struct range_list *right);
94
95 void push_rl(struct range_list_stack **rl_stack, struct range_list *rl);
96 struct range_list *pop_rl(struct range_list_stack **rl_stack);
97 struct range_list *top_rl(struct range_list_stack *rl_stack);
98 void filter_top_rl(struct range_list_stack **rl_stack, struct range_list *filter);
99
100 struct range_list *rl_truncate_cast(struct symbol *type, struct range_list *rl);
101 struct range_list *cast_rl(struct symbol *type, struct range_list *rl);
102 int get_implied_rl(struct expression *expr, struct range_list **rl);
103 int get_absolute_rl(struct expression *expr, struct range_list **rl);
104 int get_real_absolute_rl(struct expression *expr, struct range_list **rl);
105 struct range_list *var_to_absolute_rl(struct expression *expr);
106 int custom_get_absolute_rl(struct expression *expr,
107 struct range_list *(*fn)(struct expression *expr),
108 struct range_list **rl);
109 int get_implied_rl_var_sym(const char *var, struct symbol *sym, struct range_list **rl);
110 void split_comparison_rl(struct range_list *left_orig, int op, struct range_list *right_orig,
111 struct range_list **left_true_rl, struct range_list **left_false_rl,
112 struct range_list **right_true_rl, struct range_list **right_false_rl);
113
114 void free_data_info_allocs(void);
115 void free_all_rl(void);
116
117 /* smatch_estate.c */
118
119 struct smatch_state *alloc_estate_empty(void);
120 struct smatch_state *alloc_estate_sval(sval_t sval);
121 struct smatch_state *alloc_estate_range(sval_t min, sval_t max);
122 struct smatch_state *alloc_estate_rl(struct range_list *rl);
123 struct smatch_state *alloc_estate_whole(struct symbol *type);
134 struct range_list *estate_rl(struct smatch_state *state);
135 struct related_list *estate_related(struct smatch_state *state);
136
137 sval_t estate_min(struct smatch_state *state);
138 sval_t estate_max(struct smatch_state *state);
139 struct symbol *estate_type(struct smatch_state *state);
140
141 int estate_has_fuzzy_max(struct smatch_state *state);
142 sval_t estate_get_fuzzy_max(struct smatch_state *state);
143 void estate_set_fuzzy_max(struct smatch_state *state, sval_t max);
144 void estate_copy_fuzzy_max(struct smatch_state *new, struct smatch_state *old);
145 void estate_clear_fuzzy_max(struct smatch_state *state);
146 int estate_has_hard_max(struct smatch_state *state);
147 void estate_set_hard_max(struct smatch_state *state);
148 void estate_clear_hard_max(struct smatch_state *state);
149 int estate_get_hard_max(struct smatch_state *state, sval_t *sval);
150 bool estate_capped(struct smatch_state *state);
151 void estate_set_capped(struct smatch_state *state);
152 bool estate_treat_untagged(struct smatch_state *state);
153 void estate_set_treat_untagged(struct smatch_state *state);
154
155 int estate_get_single_value(struct smatch_state *state, sval_t *sval);
156 struct smatch_state *get_implied_estate(struct expression *expr);
157
158 struct smatch_state *estate_filter_sval(struct smatch_state *orig, sval_t filter);
159 struct data_info *clone_dinfo_perm(struct data_info *dinfo);
160 struct smatch_state *clone_estate_perm(struct smatch_state *state);
161
162 /* smatch_extra.c */
163 bool is_impossible_variable(struct expression *expr);
164 struct sm_state *get_extra_sm_state(struct expression *expr);
165 struct smatch_state *get_extra_state(struct expression *expr);
166 void call_extra_mod_hooks(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
167 void set_extra_mod(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
168 void set_extra_expr_mod(struct expression *expr, struct smatch_state *state);
169 void set_extra_nomod(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
170 void set_extra_nomod_vsl(const char *name, struct symbol *sym, struct var_sym_list *vsl, struct expression *expr, struct smatch_state *state);
171 void set_extra_expr_nomod(struct expression *expr, struct smatch_state *state);
172 void set_extra_mod_helper(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
173
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15 * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
16 */
17
18 DECLARE_PTR_LIST(range_list, struct data_range);
19 DECLARE_PTR_LIST(range_list_stack, struct range_list);
20
21 struct relation {
22 char *name;
23 struct symbol *sym;
24 };
25
26 DECLARE_PTR_LIST(related_list, struct relation);
27
28 struct data_info {
29 struct related_list *related;
30 struct range_list *value_ranges;
31 sval_t fuzzy_max;
32 unsigned int hard_max:1;
33 unsigned int capped:1;
34 unsigned int treat_untagged:1;
35 unsigned int set:1;
36 };
37 DECLARE_ALLOCATOR(data_info);
38
39 extern struct string_list *__ignored_macros;
40
41 /* these are implemented in smatch_ranges.c */
42 struct range_list *rl_zero(void);
43 struct range_list *rl_one(void);
44 char *show_rl(struct range_list *list);
45 int str_to_comparison_arg(const char *c, struct expression *call, int *comparison, struct expression **arg);
46 void str_to_rl(struct symbol *type, char *value, struct range_list **rl);
47 void call_results_to_rl(struct expression *call, struct symbol *type, const char *value, struct range_list **rl);
48
49 struct data_range *alloc_range(sval_t min, sval_t max);
50 struct data_range *alloc_range_perm(sval_t min, sval_t max);
51
52 int rl_fits_in_type(struct range_list *rl, struct symbol *type);
53
54 struct range_list *alloc_rl(sval_t min, sval_t max);
55 struct range_list *clone_rl(struct range_list *list);
85
86 sval_t rl_min(struct range_list *rl);
87 sval_t rl_max(struct range_list *rl);
88 int rl_to_sval(struct range_list *rl, sval_t *sval);
89 struct symbol *rl_type(struct range_list *rl);
90
91 struct range_list *rl_filter(struct range_list *rl, struct range_list *filter);
92 struct range_list *rl_intersection(struct range_list *one, struct range_list *two);
93 struct range_list *rl_union(struct range_list *one, struct range_list *two);
94 struct range_list *rl_binop(struct range_list *left, int op, struct range_list *right);
95
96 void push_rl(struct range_list_stack **rl_stack, struct range_list *rl);
97 struct range_list *pop_rl(struct range_list_stack **rl_stack);
98 struct range_list *top_rl(struct range_list_stack *rl_stack);
99 void filter_top_rl(struct range_list_stack **rl_stack, struct range_list *filter);
100
101 struct range_list *rl_truncate_cast(struct symbol *type, struct range_list *rl);
102 struct range_list *cast_rl(struct symbol *type, struct range_list *rl);
103 int get_implied_rl(struct expression *expr, struct range_list **rl);
104 int get_absolute_rl(struct expression *expr, struct range_list **rl);
105 void set_real_absolute(struct expression *expr, struct smatch_state *state);
106 int get_real_absolute_rl(struct expression *expr, struct range_list **rl);
107 struct range_list *var_to_absolute_rl(struct expression *expr);
108 int custom_get_absolute_rl(struct expression *expr,
109 struct range_list *(*fn)(struct expression *expr),
110 struct range_list **rl);
111 int get_implied_rl_var_sym(const char *var, struct symbol *sym, struct range_list **rl);
112 void split_comparison_rl(struct range_list *left_orig, int op, struct range_list *right_orig,
113 struct range_list **left_true_rl, struct range_list **left_false_rl,
114 struct range_list **right_true_rl, struct range_list **right_false_rl);
115
116 void free_data_info_allocs(void);
117 void free_all_rl(void);
118
119 /* smatch_estate.c */
120
121 struct smatch_state *alloc_estate_empty(void);
122 struct smatch_state *alloc_estate_sval(sval_t sval);
123 struct smatch_state *alloc_estate_range(sval_t min, sval_t max);
124 struct smatch_state *alloc_estate_rl(struct range_list *rl);
125 struct smatch_state *alloc_estate_whole(struct symbol *type);
136 struct range_list *estate_rl(struct smatch_state *state);
137 struct related_list *estate_related(struct smatch_state *state);
138
139 sval_t estate_min(struct smatch_state *state);
140 sval_t estate_max(struct smatch_state *state);
141 struct symbol *estate_type(struct smatch_state *state);
142
143 int estate_has_fuzzy_max(struct smatch_state *state);
144 sval_t estate_get_fuzzy_max(struct smatch_state *state);
145 void estate_set_fuzzy_max(struct smatch_state *state, sval_t max);
146 void estate_copy_fuzzy_max(struct smatch_state *new, struct smatch_state *old);
147 void estate_clear_fuzzy_max(struct smatch_state *state);
148 int estate_has_hard_max(struct smatch_state *state);
149 void estate_set_hard_max(struct smatch_state *state);
150 void estate_clear_hard_max(struct smatch_state *state);
151 int estate_get_hard_max(struct smatch_state *state, sval_t *sval);
152 bool estate_capped(struct smatch_state *state);
153 void estate_set_capped(struct smatch_state *state);
154 bool estate_treat_untagged(struct smatch_state *state);
155 void estate_set_treat_untagged(struct smatch_state *state);
156 bool estate_new(struct smatch_state *state);
157 void estate_set_new(struct smatch_state *state);
158
159 int estate_get_single_value(struct smatch_state *state, sval_t *sval);
160 struct smatch_state *get_implied_estate(struct expression *expr);
161
162 struct smatch_state *estate_filter_sval(struct smatch_state *orig, sval_t filter);
163 struct data_info *clone_dinfo_perm(struct data_info *dinfo);
164 struct smatch_state *clone_estate_perm(struct smatch_state *state);
165
166 /* smatch_extra.c */
167 bool is_impossible_variable(struct expression *expr);
168 struct sm_state *get_extra_sm_state(struct expression *expr);
169 struct smatch_state *get_extra_state(struct expression *expr);
170 void call_extra_mod_hooks(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
171 void set_extra_mod(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
172 void set_extra_expr_mod(struct expression *expr, struct smatch_state *state);
173 void set_extra_nomod(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
174 void set_extra_nomod_vsl(const char *name, struct symbol *sym, struct var_sym_list *vsl, struct expression *expr, struct smatch_state *state);
175 void set_extra_expr_nomod(struct expression *expr, struct smatch_state *state);
176 void set_extra_mod_helper(const char *name, struct symbol *sym, struct expression *expr, struct smatch_state *state);
177
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