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 true_state
;
29 extern struct smatch_state false_state
;
37 ASSIGNMENT_AFTER_HOOK
,
41 FUNCTION_CALL_AFTER_HOOK
,
50 void add_hook(void *func
, enum hook_type type
);
51 typedef struct smatch_state
*(merge_func_t
)(const char *name
,
53 struct smatch_state
*s1
,
54 struct smatch_state
*s2
);
55 void add_merge_hook(int client_id
, merge_func_t
*func
);
57 #define smatch_msg(msg...) \
59 printf("%s +%d %s(%d) ", get_filename(), get_lineno(), \
60 get_function(), get_func_pos()); \
65 #define SM_DEBUG(msg...) do { if (debug_states) printf(msg); } while (0)
67 #define UNDEFINED INT_MIN
69 struct smatch_state
*get_state(const char *name
, int owner
, struct symbol
*sym
);
70 struct state_list
*get_possible_states(const char *name
, int owner
,
72 void set_state(const char *name
, int owner
, struct symbol
*sym
,
73 struct smatch_state
*state
);
74 void delete_state(const char *name
, int owner
, struct symbol
*sym
);
75 void set_true_false_states(const char *name
, int owner
, struct symbol
*sym
,
76 struct smatch_state
*true_state
,
77 struct smatch_state
*false_state
);
79 struct state_list
*get_all_states(int id
);
86 char *alloc_string(char *str
);
87 void free_string(char *str
);
88 struct expression
*get_argument_from_call_expr(struct expression_list
*args
,
90 char *get_variable_from_expr_complex(struct expression
*expr
,
91 struct symbol
**sym_ptr
);
92 char *get_variable_from_expr(struct expression
*expr
,
93 struct symbol
**sym_ptr
);
94 int sym_name_is(const char *name
, struct expression
*expr
);
95 int get_value(struct expression
*expr
);
96 int is_zero(struct expression
*expr
);
97 const char *show_state(struct smatch_state
*state
);
98 struct expression
*strip_expr(struct expression
*expr
);
100 /* smatch_ignore.c */
101 void add_ignore(const char *name
, int owner
, struct symbol
*sym
);
102 int is_ignored(const char *name
, int owner
, struct symbol
*sym
);
104 /* smatch_conditions */
107 /* ----------------------------------------------------------------
108 The stuff below is all used internally and shouldn't
109 be called from other programs
110 -----------------------------------------------------------------*/
114 void smatch (int argc
, char **argv
);
115 void __split_expr(struct expression
*expr
);
117 /* smatch_conditions */
118 void __split_whole_condition(struct expression
*expr
);
120 /* smatch_implied.c */
121 void __implied_states_hook(struct expression
*expr
);
123 /* smatch_extras.c */
124 #define SMATCH_EXTRA 1 /* this is my_id from smatch extra set in smatch.c */
125 int known_condition_true(struct expression
*expr
);
127 /* smatch_states.c */
128 extern int debug_states
;
131 void __unnullify_path();
132 void clear_all_states();
134 struct sm_state
*__get_sm_state(const char *name
, int owner
,
136 void __overwrite_cur_slist(struct state_list
*slist
);
137 void __use_false_only_stack();
138 void __pop_false_only_stack();
139 void __push_true_states();
140 void __use_false_states();
141 void __pop_false_states();
142 void __merge_false_states();
143 void __merge_true_states();
145 void __negate_cond_stacks();
146 void __use_cond_true_states();
147 void __use_cond_false_states();
148 void __push_cond_stacks();
149 void __and_cond_states();
150 void __or_cond_states();
151 void __save_pre_cond_states();
152 void __pop_pre_cond_states();
153 void __use_cond_states();
155 void __push_continues();
156 void __pop_continues();
157 void __process_continues();
158 void __merge_continues();
160 void __push_breaks();
161 void __process_breaks();
162 void __merge_breaks();
165 void __save_switch_states();
166 void __pop_switches();
167 void __merge_switches();
168 void __push_default();
169 void __set_default();
172 void __push_conditions();
173 void __pop_conditions();
174 void __overwrite_true_states();
176 void __save_gotos(const char *name
);
177 void __merge_gotos(const char *name
);
179 void __print_cur_slist();
182 void __pass_to_client(void *data
, enum hook_type type
);
183 void __pass_to_client_no_data(enum hook_type type
);
184 void __pass_declarations_to_client(struct symbol_list
*sym_list
);
185 int __has_merge_function(int client_id
);
186 struct smatch_state
*__client_merge_function(int owner
, const char *name
, struct symbol
*sym
,
187 struct smatch_state
*s1
, struct smatch_state
*s2
);
189 #endif /* !SMATCH_H_ */