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
);
23 DECLARE_PTR_LIST(related_list
, struct relation
);
26 struct related_list
*related
;
28 struct range_list
*value_ranges
;
30 DECLARE_ALLOCATOR(data_info
);
32 extern struct string_list
*__ignored_macros
;
34 extern struct smatch_state estate_undefined
;
35 void alloc_estate_undefined(void);
37 /* these are implemented in smatch_ranges.c */
38 int is_whole_range_rl(struct range_list
*rl
);
39 int rl_contiguous(struct range_list
*rl
);
40 long long rl_min(struct range_list
*rl
);
41 long long rl_max(struct range_list
*rl
);
42 sval_t
rl_min_sval(struct range_list
*rl
);
43 sval_t
rl_max_sval(struct range_list
*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
*whole_range_list(void);
49 void add_range(struct range_list
**list
, long long min
, long long max
);
50 int ranges_equiv_sval(struct data_range_sval
*one
, struct data_range_sval
*two
);
51 int range_lists_equiv(struct range_list
*one
, struct range_list
*two
);
52 struct range_list
*invert_range_list(struct range_list
*orig
);
53 int true_comparison_range(struct data_range
*left
, int comparison
, struct data_range
*right
);
54 int true_comparison_range_sval(struct data_range_sval
*left
, int comparison
, struct data_range_sval
*right
);
56 int possibly_true(struct expression
*left
, int comparison
, struct expression
*right
);
57 int possibly_true_range_lists(struct range_list
*left_ranges
, int comparison
, struct range_list
*right_ranges
);
58 int possibly_true_range_lists_rl(int comparison
, struct range_list
*a
, struct range_list
*b
, int left
);
60 int possibly_false(struct expression
*left
, int comparison
, struct expression
*right
);
61 int possibly_false_range_lists(struct range_list
*left_ranges
, int comparison
, struct range_list
*right_ranges
);
62 int possibly_false_range_lists_rl(int comparison
, struct range_list
*a
, struct range_list
*b
, int left
);
64 void free_range_list(struct range_list
**rlist
);
65 void free_data_info_allocs(void);
66 struct range_list
*clone_range_list(struct range_list
*list
);
67 struct range_list
*clone_permanent(struct range_list
*list
);
68 char *show_ranges(struct range_list
*list
);
69 void get_value_ranges(char *value
, struct range_list
**rl
);
71 struct range_list
*remove_range(struct range_list
*list
, long long min
, long long max
);
73 /* used in smatch_slist. implemented in smatch_extra.c */
74 int implied_not_equal(struct expression
*expr
, long long val
);
75 struct sm_state
*__extra_handle_canonical_loops(struct statement
*loop
, struct state_list
**slist
);
76 int __iterator_unchanged(struct sm_state
*sm
);
77 void __extra_pre_loop_hook_after(struct sm_state
*sm
,
78 struct statement
*iterator
,
79 struct expression
*condition
);
81 /* also implemented in smatch_extra */
82 int estates_equiv(struct smatch_state
*one
, struct smatch_state
*two
);
83 struct smatch_state
*clone_estate(struct smatch_state
*state
);
84 struct sm_state
*set_extra_mod(const char *name
, struct symbol
*sym
, struct smatch_state
*state
);
85 struct sm_state
*set_extra_expr_mod(struct expression
*expr
, struct smatch_state
*state
);
86 void set_extra_expr_nomod(struct expression
*expr
, struct smatch_state
*state
);
87 struct smatch_state
*alloc_estate_empty(void);
88 struct smatch_state
*alloc_estate(long long val
);
89 struct smatch_state
*alloc_estate_range_list(struct range_list
*rl
);
90 struct data_info
*get_dinfo(struct smatch_state
*state
);
91 struct range_list
*estate_ranges(struct smatch_state
*state
);
92 struct related_list
*estate_related(struct smatch_state
*state
);
93 long long estate_min(struct smatch_state
*state
);
94 long long estate_max(struct smatch_state
*state
);
95 sval_t
estate_min_sval(struct smatch_state
*state
);
96 sval_t
estate_max_sval(struct smatch_state
*state
);
97 struct smatch_state
*filter_range_list(struct smatch_state
*orig
,
98 struct range_list
*rl
);
99 struct smatch_state
*add_filter(struct smatch_state
*orig
, long long filter
);
100 struct smatch_state
*filter_range(struct smatch_state
*orig
,
101 long long filter_min
, long long filter_max
);
102 struct smatch_state
*extra_undefined(void);
104 struct range_list
*range_list_union(struct range_list
*one
, struct range_list
*two
);
105 int estate_get_single_value(struct smatch_state
*estate
, long long *val
);
106 int estate_get_single_value_sval(struct smatch_state
*state
, sval_t
*sval
);
108 void function_comparison(int comparison
, struct expression
*expr
, long long value
, int left
);
110 int true_comparison_range_lr(int comparison
, struct data_range
*var
, struct data_range
*val
, int left
);
111 int false_comparison_range_lr(int comparison
, struct data_range
*var
, struct data_range
*val
, int left
);
112 int true_comparison_range_lr_sval(int comparison
, struct data_range_sval
*var
, struct data_range_sval
*val
, int left
);
113 int false_comparison_range_lr_sval(int comparison
, struct data_range_sval
*var
, struct data_range_sval
*val
, int left
);
114 struct data_range
*alloc_range(long long min
, long long max
);
115 struct data_range_sval
*alloc_range_sval(sval_t min
, sval_t max
);
116 struct data_range_sval
*drange_to_drange_sval(struct data_range
*drange
);
117 struct data_range
*drange_sval_to_drange(struct data_range_sval
*drange
);
118 void tack_on(struct range_list
**list
, struct data_range
*drange
);
120 struct smatch_state
*alloc_estate_range(long long min
, long long max
);
122 void push_range_list(struct range_list_stack
**rl_stack
, struct range_list
*rl
);
123 struct range_list
*pop_range_list(struct range_list_stack
**rl_stack
);
124 struct range_list
*top_range_list(struct range_list_stack
*rl_stack
);
125 void filter_top_range_list(struct range_list_stack
**rl_stack
, long long num
);
126 int get_implied_range_list(struct expression
*expr
, struct range_list
**rl
);
127 int is_whole_range(struct smatch_state
*state
);
129 /* smatch_expressions.c */
130 struct expression
*zero_expr();
131 struct expression
*value_expr(long long val
);
132 struct expression
*deref_expression(struct expression
*deref
, int op
, struct ident
*member
);
133 struct expression
*assign_expression(struct expression
*left
, struct expression
*right
);
134 struct expression
*symbol_expression(struct symbol
*sym
);
136 /* implemented in smatch_constraints */
137 void set_equiv(struct expression
*left
, struct expression
*right
);
138 void set_related(struct smatch_state
**estate
, struct related_list
*rlist
);
139 struct related_list
*get_shared_relations(struct related_list
*one
,
140 struct related_list
*two
);
141 struct related_list
*clone_related_list(struct related_list
*related
);
142 void remove_from_equiv(const char *name
, struct symbol
*sym
);
143 void remove_from_equiv_expr(struct expression
*expr
);
144 void set_equiv_state_expr(int id
, struct expression
*expr
, struct smatch_state
*state
);