4 * Copyright (C) 2006 Dan Carpenter.
6 * Licensed under the Open Software License version 1.1
19 #include "expression.h"
26 #define STATE(_x) static struct smatch_state _x = { .name = #_x }
27 extern struct smatch_state undefined
;
28 extern struct smatch_state merged
;
29 extern struct smatch_state true_state
;
30 extern struct smatch_state false_state
;
38 ASSIGNMENT_AFTER_HOOK
,
42 FUNCTION_CALL_AFTER_HOOK
,
51 void add_hook(void *func
, enum hook_type type
);
52 typedef struct smatch_state
*(merge_func_t
)(const char *name
,
54 struct smatch_state
*s1
,
55 struct smatch_state
*s2
);
56 void add_merge_hook(int client_id
, merge_func_t
*func
);
58 #define smatch_msg(msg...) \
60 printf("%s +%d %s(%d) ", get_filename(), get_lineno(), \
61 get_function(), get_func_pos()); \
66 #define SM_DEBUG(msg...) do { if (debug_states) printf(msg); } while (0)
68 #define UNDEFINED INT_MIN
70 struct smatch_state
*get_state(const char *name
, int owner
, struct symbol
*sym
);
71 struct state_list
*get_possible_states(const char *name
, int owner
,
73 void set_state(const char *name
, int owner
, struct symbol
*sym
,
74 struct smatch_state
*state
);
75 void delete_state(const char *name
, int owner
, struct symbol
*sym
);
76 void set_true_false_states(const char *name
, int owner
, struct symbol
*sym
,
77 struct smatch_state
*true_state
,
78 struct smatch_state
*false_state
);
80 struct state_list
*get_all_states(int id
);
87 char *alloc_string(char *str
);
88 void free_string(char *str
);
89 struct expression
*get_argument_from_call_expr(struct expression_list
*args
,
91 char *get_variable_from_expr_complex(struct expression
*expr
,
92 struct symbol
**sym_ptr
);
93 char *get_variable_from_expr(struct expression
*expr
,
94 struct symbol
**sym_ptr
);
95 int sym_name_is(const char *name
, struct expression
*expr
);
96 int get_value(struct expression
*expr
);
97 int is_zero(struct expression
*expr
);
98 const char *show_state(struct smatch_state
*state
);
99 struct statement
*get_block_thing(struct expression
*expr
);
100 struct expression
*strip_expr(struct expression
*expr
);
102 /* smatch_ignore.c */
108 DECLARE_PTR_LIST(tracker_list
, struct tracker
);
110 void add_ignore(const char *name
, int owner
, struct symbol
*sym
);
111 int is_ignored(const char *name
, int owner
, struct symbol
*sym
);
114 void add_tracker(struct tracker_list
**list
, const char *name
, int owner
,
116 int in_tracker_list(struct tracker_list
*list
, const char *name
, int owner
,
120 /* smatch_conditions */
123 /* ----------------------------------------------------------------
124 The stuff below is all used internally and shouldn't
125 be called from other programs
126 -----------------------------------------------------------------*/
130 void smatch (int argc
, char **argv
);
131 void __split_expr(struct expression
*expr
);
132 void __split_statements(struct statement
*stmt
);
134 /* smatch_conditions */
135 void __split_whole_condition(struct expression
*expr
);
137 /* smatch_implied.c */
138 void __implied_states_hook(struct expression
*expr
);
140 /* smatch_extras.c */
141 #define SMATCH_EXTRA 1 /* this is my_id from smatch extra set in smatch.c */
142 int known_condition_true(struct expression
*expr
);
143 int known_condition_false(struct expression
*expr
);
145 /* smatch_states.c */
146 extern int debug_states
;
148 struct state_list
*__get_cur_slist();
150 void __unnullify_path();
151 int __path_is_null();
152 void clear_all_states();
154 struct sm_state
*get_sm_state(const char *name
, int owner
,
156 void __use_false_only_stack();
157 void __pop_false_only_stack();
158 void __push_true_states();
159 void __use_false_states();
160 void __pop_false_states();
161 void __merge_false_states();
162 void __merge_true_states();
164 void __negate_cond_stacks();
165 void __save_false_states_for_later();
166 void __use_previously_stored_false_states();
167 void __use_cond_true_states();
168 void __use_cond_false_states();
169 void __push_cond_stacks();
170 void __and_cond_states();
171 void __or_cond_states();
172 void __save_pre_cond_states();
173 void __pop_pre_cond_states();
174 void __use_cond_states();
176 void __push_continues();
177 void __pop_continues();
178 void __process_continues();
179 void __merge_continues();
181 void __push_breaks();
182 void __process_breaks();
183 void __merge_breaks();
186 void __save_switch_states();
187 void __pop_switches();
188 void __merge_switches();
189 void __push_default();
190 void __set_default();
193 void __push_conditions();
194 void __pop_conditions();
196 void __save_gotos(const char *name
);
197 void __merge_gotos(const char *name
);
199 void __print_cur_slist();
202 void __pass_to_client(void *data
, enum hook_type type
);
203 void __pass_to_client_no_data(enum hook_type type
);
204 void __pass_declarations_to_client(struct symbol_list
*sym_list
);
205 int __has_merge_function(int client_id
);
206 struct smatch_state
*__client_merge_function(int owner
, const char *name
, struct symbol
*sym
,
207 struct smatch_state
*s1
, struct smatch_state
*s2
);
209 #endif /* !SMATCH_H_ */