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_sval
, struct data_range_sval
);
15 DECLARE_PTR_LIST(range_list_stack_sval
, struct range_list_sval
);
23 DECLARE_PTR_LIST(related_list
, struct relation
);
26 struct related_list
*related
;
28 struct range_list_sval
*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_sval(struct range_list_sval
*rl
);
39 sval_t
rl_min_sval(struct range_list_sval
*rl
);
40 sval_t
rl_max_sval(struct range_list_sval
*rl
);
42 struct data_range_sval
*alloc_range_perm_sval(sval_t min
, sval_t max
);
43 struct range_list_sval
*alloc_range_list_sval(sval_t min
, sval_t max
);
44 struct range_list_sval
*whole_range_list_sval(struct symbol
*type
);
45 void add_range_sval(struct range_list_sval
**list
, sval_t min
, sval_t max
);
46 int ranges_equiv_sval(struct data_range_sval
*one
, struct data_range_sval
*two
);
47 int range_lists_equiv_sval(struct range_list_sval
*one
, struct range_list_sval
*two
);
48 int true_comparison_range_sval(struct data_range_sval
*left
, int comparison
, struct data_range_sval
*right
);
50 int possibly_true(struct expression
*left
, int comparison
, struct expression
*right
);
51 int possibly_true_range_lists_sval(struct range_list_sval
*left_ranges
, int comparison
, struct range_list_sval
*right_ranges
);
52 int possibly_true_range_lists_rl_sval(int comparison
, struct range_list_sval
*a
, struct range_list_sval
*b
, int left
);
54 int possibly_false(struct expression
*left
, int comparison
, struct expression
*right
);
55 int possibly_false_range_lists_sval(struct range_list_sval
*left_ranges
, int comparison
, struct range_list_sval
*right_ranges
);
56 int possibly_false_range_lists_rl_sval(int comparison
, struct range_list_sval
*a
, struct range_list_sval
*b
, int left
);
58 void free_range_list_sval(struct range_list_sval
**rlist
);
59 void free_data_info_allocs(void);
60 struct range_list_sval
*clone_range_list_sval(struct range_list_sval
*list
);
61 struct range_list_sval
*clone_permanent_sval(struct range_list_sval
*list
);
62 char *show_ranges_sval(struct range_list_sval
*list
);
63 void get_value_ranges_sval(char *value
, struct range_list_sval
**rl
);
65 struct range_list_sval
*remove_range_sval(struct range_list_sval
*list
, sval_t min
, sval_t max
);
67 /* used in smatch_slist. implemented in smatch_extra.c */
68 int implied_not_equal(struct expression
*expr
, long long val
);
69 struct sm_state
*__extra_handle_canonical_loops(struct statement
*loop
, struct state_list
**slist
);
70 int __iterator_unchanged(struct sm_state
*sm
);
71 void __extra_pre_loop_hook_after(struct sm_state
*sm
,
72 struct statement
*iterator
,
73 struct expression
*condition
);
75 /* also implemented in smatch_extra */
76 int estates_equiv(struct smatch_state
*one
, struct smatch_state
*two
);
77 struct smatch_state
*clone_estate(struct smatch_state
*state
);
78 struct sm_state
*set_extra_mod(const char *name
, struct symbol
*sym
, struct smatch_state
*state
);
79 struct sm_state
*set_extra_expr_mod(struct expression
*expr
, struct smatch_state
*state
);
80 void set_extra_expr_nomod(struct expression
*expr
, struct smatch_state
*state
);
81 struct smatch_state
*alloc_estate_empty(void);
82 struct smatch_state
*alloc_estate_sval(sval_t sval
);
83 struct smatch_state
*alloc_estate_range_list_sval(struct range_list_sval
*rl
);
84 struct data_info
*get_dinfo(struct smatch_state
*state
);
85 struct range_list_sval
*estate_ranges_sval(struct smatch_state
*state
);
86 struct related_list
*estate_related(struct smatch_state
*state
);
87 sval_t
estate_min_sval(struct smatch_state
*state
);
88 sval_t
estate_max_sval(struct smatch_state
*state
);
89 struct symbol
*estate_type(struct smatch_state
*state
);
90 struct smatch_state
*add_filter(struct smatch_state
*orig
, sval_t filter
);
91 struct smatch_state
*filter_range(struct smatch_state
*orig
, sval_t filter_min
, sval_t filter_max
);
92 struct smatch_state
*extra_undefined(struct symbol
*type
);
94 struct range_list_sval
*range_list_union_sval(struct range_list_sval
*one
, struct range_list_sval
*two
);
95 int estate_get_single_value_sval(struct smatch_state
*state
, sval_t
*sval
);
97 void function_comparison(int comparison
, struct expression
*expr
, sval_t sval
, int left
);
99 int true_comparison_range_lr_sval(int comparison
, struct data_range_sval
*var
, struct data_range_sval
*val
, int left
);
100 int false_comparison_range_lr_sval(int comparison
, struct data_range_sval
*var
, struct data_range_sval
*val
, int left
);
101 struct data_range_sval
*alloc_range_sval(sval_t min
, sval_t max
);
102 void tack_on_sval(struct range_list_sval
**list
, struct data_range_sval
*drange
);
104 struct smatch_state
*alloc_estate_range_sval(sval_t min
, sval_t max
);
106 void push_range_list_sval(struct range_list_stack_sval
**rl_stack
, struct range_list_sval
*rl
);
107 struct range_list_sval
*pop_range_list_sval(struct range_list_stack_sval
**rl_stack
);
108 struct range_list_sval
*top_range_list_sval(struct range_list_stack_sval
*rl_stack
);
110 void filter_top_range_list_sval(struct range_list_stack_sval
**rl_stack
, sval_t sval
);
111 struct range_list_sval
*cast_rl(struct range_list_sval
*rl
, struct symbol
*type
);
112 int get_implied_range_list_sval(struct expression
*expr
, struct range_list_sval
**rl
);
113 int is_whole_range(struct smatch_state
*state
);
115 /* smatch_expressions.c */
116 struct expression
*zero_expr();
117 struct expression
*value_expr(long long val
);
118 struct expression
*deref_expression(struct expression
*deref
, int op
, struct ident
*member
);
119 struct expression
*assign_expression(struct expression
*left
, struct expression
*right
);
120 struct expression
*symbol_expression(struct symbol
*sym
);
122 /* implemented in smatch_constraints */
123 void set_equiv(struct expression
*left
, struct expression
*right
);
124 void set_related(struct smatch_state
*estate
, struct related_list
*rlist
);
125 struct related_list
*get_shared_relations(struct related_list
*one
,
126 struct related_list
*two
);
127 struct related_list
*clone_related_list(struct related_list
*related
);
128 void remove_from_equiv(const char *name
, struct symbol
*sym
);
129 void remove_from_equiv_expr(struct expression
*expr
);
130 void set_equiv_state_expr(int id
, struct expression
*expr
, struct smatch_state
*state
);