2 * sparse/smatch_extra.h
4 * Copyright (C) 2009 Dan Carpenter.
6 * Licensed under the Open Software License version 1.1
14 DECLARE_PTR_LIST(range_list
, struct data_range
);
15 DECLARE_PTR_LIST(range_list_stack
, struct range_list
);
17 DECLARE_PTR_LIST(range_list_sval
, struct data_range_sval
);
18 DECLARE_PTR_LIST(range_list_stack_sval
, struct range_list_sval
);
26 DECLARE_PTR_LIST(related_list
, struct relation
);
29 struct related_list
*related
;
31 struct range_list
*value_ranges
;
33 DECLARE_ALLOCATOR(data_info
);
35 extern struct string_list
*__ignored_macros
;
37 extern struct smatch_state estate_undefined
;
38 void alloc_estate_undefined(void);
40 /* these are implemented in smatch_ranges.c */
41 int is_whole_range_rl_sval(struct range_list_sval
*rl
);
42 sval_t
rl_min_sval(struct range_list_sval
*rl
);
43 sval_t
rl_max_sval(struct range_list_sval
*rl
);
45 struct data_range
*alloc_range_perm(long long min
, long long max
);
46 struct data_range_sval
*alloc_range_perm_sval(sval_t min
, sval_t max
);
47 struct range_list
*alloc_range_list(long long min
, long long max
);
48 struct range_list_sval
*alloc_range_list_sval(sval_t min
, sval_t max
);
49 struct range_list
*whole_range_list(void);
50 void add_range(struct range_list
**list
, long long min
, long long max
);
51 void add_range_sval(struct range_list_sval
**list
, sval_t min
, sval_t max
);
52 int ranges_equiv_sval(struct data_range_sval
*one
, struct data_range_sval
*two
);
53 int range_lists_equiv_sval(struct range_list_sval
*one
, struct range_list_sval
*two
);
54 int true_comparison_range(struct data_range
*left
, int comparison
, struct data_range
*right
);
55 int true_comparison_range_sval(struct data_range_sval
*left
, int comparison
, struct data_range_sval
*right
);
57 int possibly_true(struct expression
*left
, int comparison
, struct expression
*right
);
58 int possibly_true_range_lists_sval(struct range_list_sval
*left_ranges
, int comparison
, struct range_list_sval
*right_ranges
);
59 int possibly_true_range_lists_rl_sval(int comparison
, struct range_list_sval
*a
, struct range_list_sval
*b
, int left
);
61 int possibly_false(struct expression
*left
, int comparison
, struct expression
*right
);
62 int possibly_false_range_lists_sval(struct range_list_sval
*left_ranges
, int comparison
, struct range_list_sval
*right_ranges
);
63 int possibly_false_range_lists_rl_sval(int comparison
, struct range_list_sval
*a
, struct range_list_sval
*b
, int left
);
65 void free_range_list(struct range_list
**rlist
);
66 void free_range_list_sval(struct range_list_sval
**rlist
);
67 void free_data_info_allocs(void);
68 struct range_list
*clone_range_list(struct range_list
*list
);
69 struct range_list_sval
*clone_range_list_sval(struct range_list_sval
*list
);
70 struct range_list
*clone_permanent(struct range_list
*list
);
71 char *show_ranges(struct range_list
*list
);
72 char *show_ranges_sval(struct range_list_sval
*list
);
73 void get_value_ranges(char *value
, struct range_list
**rl
);
74 void get_value_ranges_sval(char *value
, struct range_list_sval
**rl
);
76 struct range_list
*remove_range(struct range_list
*list
, long long min
, long long max
);
77 struct range_list_sval
*remove_range_sval(struct range_list_sval
*list
, sval_t min
, sval_t max
);
79 /* used in smatch_slist. implemented in smatch_extra.c */
80 int implied_not_equal(struct expression
*expr
, long long val
);
81 struct sm_state
*__extra_handle_canonical_loops(struct statement
*loop
, struct state_list
**slist
);
82 int __iterator_unchanged(struct sm_state
*sm
);
83 void __extra_pre_loop_hook_after(struct sm_state
*sm
,
84 struct statement
*iterator
,
85 struct expression
*condition
);
87 /* also implemented in smatch_extra */
88 int estates_equiv(struct smatch_state
*one
, struct smatch_state
*two
);
89 struct smatch_state
*clone_estate(struct smatch_state
*state
);
90 struct sm_state
*set_extra_mod(const char *name
, struct symbol
*sym
, struct smatch_state
*state
);
91 struct sm_state
*set_extra_expr_mod(struct expression
*expr
, struct smatch_state
*state
);
92 void set_extra_expr_nomod(struct expression
*expr
, struct smatch_state
*state
);
93 struct smatch_state
*alloc_estate_empty(void);
94 struct smatch_state
*alloc_estate_sval(sval_t sval
);
95 struct smatch_state
*alloc_estate_range_list_sval(struct range_list_sval
*rl
);
96 struct data_info
*get_dinfo(struct smatch_state
*state
);
97 struct range_list_sval
*estate_ranges_sval(struct smatch_state
*state
);
98 struct related_list
*estate_related(struct smatch_state
*state
);
99 sval_t
estate_min_sval(struct smatch_state
*state
);
100 sval_t
estate_max_sval(struct smatch_state
*state
);
101 struct smatch_state
*filter_range_list(struct smatch_state
*orig
,
102 struct range_list_sval
*rl
);
103 struct smatch_state
*add_filter(struct smatch_state
*orig
, sval_t filter
);
104 struct smatch_state
*filter_range(struct smatch_state
*orig
, sval_t filter_min
, sval_t filter_max
);
105 struct smatch_state
*extra_undefined(void);
107 struct range_list
*range_list_union(struct range_list
*one
, struct range_list
*two
);
108 struct range_list_sval
*range_list_union_sval(struct range_list_sval
*one
, struct range_list_sval
*two
);
109 int estate_get_single_value_sval(struct smatch_state
*state
, sval_t
*sval
);
111 void function_comparison(int comparison
, struct expression
*expr
, sval_t sval
, int left
);
113 int true_comparison_range_lr(int comparison
, struct data_range
*var
, struct data_range
*val
, int left
);
114 int false_comparison_range_lr(int comparison
, struct data_range
*var
, struct data_range
*val
, int left
);
115 int true_comparison_range_lr_sval(int comparison
, struct data_range_sval
*var
, struct data_range_sval
*val
, int left
);
116 int false_comparison_range_lr_sval(int comparison
, struct data_range_sval
*var
, struct data_range_sval
*val
, int left
);
117 struct data_range
*alloc_range(long long min
, long long max
);
118 struct data_range_sval
*alloc_range_sval(sval_t min
, sval_t max
);
119 struct data_range_sval
*drange_to_drange_sval(struct data_range
*drange
);
120 struct data_range
*drange_sval_to_drange(struct data_range_sval
*drange
);
121 void tack_on(struct range_list
**list
, struct data_range
*drange
);
122 void tack_on_sval(struct range_list_sval
**list
, struct data_range_sval
*drange
);
124 struct smatch_state
*alloc_estate_range_sval(sval_t min
, sval_t max
);
126 void push_range_list(struct range_list_stack
**rl_stack
, struct range_list
*rl
);
127 struct range_list
*pop_range_list(struct range_list_stack
**rl_stack
);
128 struct range_list
*top_range_list(struct range_list_stack
*rl_stack
);
129 void push_range_list_sval(struct range_list_stack_sval
**rl_stack
, struct range_list_sval
*rl
);
130 struct range_list_sval
*pop_range_list_sval(struct range_list_stack_sval
**rl_stack
);
131 struct range_list_sval
*top_range_list_sval(struct range_list_stack_sval
*rl_stack
);
133 void filter_top_range_list(struct range_list_stack
**rl_stack
, long long num
);
134 void filter_top_range_list_sval(struct range_list_stack_sval
**rl_stack
, sval_t sval
);
135 int get_implied_range_list_sval(struct expression
*expr
, struct range_list_sval
**rl
);
136 int is_whole_range(struct smatch_state
*state
);
138 struct range_list_sval
*range_list_to_sval(struct range_list
*list
);
139 struct range_list
*rl_sval_to_rl(struct range_list_sval
*list
);
141 /* smatch_expressions.c */
142 struct expression
*zero_expr();
143 struct expression
*value_expr(long long val
);
144 struct expression
*deref_expression(struct expression
*deref
, int op
, struct ident
*member
);
145 struct expression
*assign_expression(struct expression
*left
, struct expression
*right
);
146 struct expression
*symbol_expression(struct symbol
*sym
);
148 /* implemented in smatch_constraints */
149 void set_equiv(struct expression
*left
, struct expression
*right
);
150 void set_related(struct smatch_state
**estate
, struct related_list
*rlist
);
151 struct related_list
*get_shared_relations(struct related_list
*one
,
152 struct related_list
*two
);
153 struct related_list
*clone_related_list(struct related_list
*related
);
154 void remove_from_equiv(const char *name
, struct symbol
*sym
);
155 void remove_from_equiv_expr(struct expression
*expr
);
156 void set_equiv_state_expr(int id
, struct expression
*expr
, struct smatch_state
*state
);