Hizenberg/Finite-State-Machine
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basic FSM app build

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Hizenberg469
2025-01-16 10:54:09 +05:30
parent 8200e46baa
commit d53a3aed65
5 changed files with 232 additions and 54 deletions
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26
include/fsm.h
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@@ -9,6 +9,8 @@
#define MAX_STATE_NAME_SIZE 32
#define MAX_FSM_NAME_SIZE 32
#define MAX_TRANSITION_KEY_SIZE 64
#define MAX_ALP_BUFFER_SIZE 30
#define MAX_FINAL_STATE 128
/***Data structures and custom datatypes***/
@@ -61,6 +63,9 @@ struct state_{
/*Boolean value to distinguish b/w
* accept/final state or vice-versa*/
fsm_bool_t is_final;
/*FSM which the current state belongs to*/
char fsm[MAX_FSM_NAME_SIZE];
};
struct fsm_{
@@ -68,6 +73,15 @@ struct fsm_{
/*Initial state of FSM to start with*/
state_t *initial_state;
/*Number of states in FSM*/
unsigned int state_count;
/*Set of alphabet*/
char alphabet[MAX_ALP_BUFFER_SIZE];
/*Set of final/accept states*/
char final_states[MAX_FINAL_STATE];
/*Name of FSM*/
char fsm_name[MAX_FSM_NAME_SIZE];
@@ -87,18 +101,20 @@ struct fsm_{
/***Function Prototypes***/
fsm_t*
create_new_fsm(const char *fsm_name);
create_new_fsm(const char *fsm_name, const char *inp_alpha);
state_t*
create_new_state(char *state_name,
fsm_bool_t is_final);
create_new_state(const char *state_name,
fsm_bool_t is_final,
const char *fsm_name,
fsm_t *fsm);
void
set_fsm_initial_state(fsm_t *fsm, state_t *state);
tt_entry_t*
create_and_insert_new_tt_entry(tt_t *trans_table,
char *transition_key,
const char *transition_key,
unsigned int sizeof_key,
state_t* next_state);
@@ -110,7 +126,7 @@ get_next_empty_tt_entry(tt_t *trans_table);
static inline fsm_bool_t
is_tt_entry_empty(tt_entry_t *tt_entry){
if(!tt_entry->next_state)
if( tt_entry != NULL && !tt_entry->next_state)
return FSM_TRUE;
return FSM_FALSE;