Hizenberg/Finite-State-Machine
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Finite-State-Machine/app.c
Hizenberg469 73147ccb60 Mealy Machine - On progress
2025-01-23 22:55:49 +05:30

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#include <stdio.h>
#include <memory.h>
#include <string.h>
#include "fsm.h"
#define modify_string(state,num) #state ## #num
#define modify_var(state,num) state ## num
void
bit_flipper_output_fn_gen(state_t *from, state_t *to,
char *input_buffer,
unsigned int transition_key_size,
fsm_output_buff_t *fsm_output_buff){
char out;
out = (*input_buffer == '1') ? '0' : '1';
fsm_output_buff->curr_pos += snprintf( fsm_output_buff->output_buffer +
fsm_output_buff->curr_pos,
(MAX_FSM_OUTPUT_BUFFER - fsm_output_buff->curr_pos - 1),
"%s-->%c|%c-->%s\n",
from->state_name, *input_buffer,
out, to->state_name);
}
fsm_t *
fsm_end_with_strict_pattern_01_or_10(){
fsm_t *fsm = create_new_fsm("FSM_1", "0,1",2);
//States
state_t *q0 = create_new_state("q0", FSM_FALSE, "FSM_1", fsm);
state_t *q1 = create_new_state("q1", FSM_TRUE, "FSM_1", fsm);
state_t *q2 = create_new_state("q2", FSM_TRUE, "FSM_1", fsm);
state_t *q3 = create_new_state("q3", FSM_FALSE, "FSM_1", fsm);
fsm->states[0] = q0;
fsm->states[1] = q1;
fsm->states[2] = q2;
fsm->states[3] = q3;
set_fsm_initial_state(fsm, q0);
//State q0
tt_t *trans_table = &(q0->state_trans_table);
create_and_insert_new_tt_entry(trans_table,
"0",
1,
bit_flipper_output_fn_gen,
q2);
create_and_insert_new_tt_entry(trans_table,
"1",
1,
bit_flipper_output_fn_gen,
q1);
//State q1
trans_table = &(q1->state_trans_table);
create_and_insert_new_tt_entry(trans_table,
"0",
1,
bit_flipper_output_fn_gen,
q2);
create_and_insert_new_tt_entry(trans_table,
"1",
1,
bit_flipper_output_fn_gen,
q3);
//State q2
trans_table = &(q2->state_trans_table);
create_and_insert_new_tt_entry(trans_table,
"0",
1,
bit_flipper_output_fn_gen,
q3);
create_and_insert_new_tt_entry(trans_table,
"1",
1,
bit_flipper_output_fn_gen,
q1);
//State q3
trans_table = &(q3->state_trans_table);
create_and_insert_new_tt_entry(trans_table,
"0",
1,
bit_flipper_output_fn_gen,
q3);
create_and_insert_new_tt_entry(trans_table,
"1",
1,
bit_flipper_output_fn_gen,
q3);
return fsm;
}
fsm_t *
fsm_end_with_00_or_11(){
fsm_t *fsm = create_new_fsm("FSM_2", "0,1",2);
state_t *q0 = create_new_state("q0", FSM_FALSE, "FSM_2", fsm);
state_t *q1 = create_new_state("q1", FSM_FALSE, "FSM_2", fsm);
state_t *q2 = create_new_state("q2", FSM_FALSE, "FSM_2", fsm);
state_t *q3 = create_new_state("q3", FSM_TRUE, "FSM_2", fsm);
state_t *q4 = create_new_state("q4", FSM_TRUE, "FSM_2", fsm);
fsm->states[0] = q0;
fsm->states[1] = q1;
fsm->states[2] = q2;
fsm->states[3] = q3;
fsm->states[4] = q4;
set_fsm_initial_state(fsm, q0);
tt_t *trans_table = NULL;
//State q0
trans_table = &(q0->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL,q2);
//State q1
trans_table = &(q1->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q3);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q2);
//State q2
trans_table = &(q2->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q4);
//State q3
trans_table = &(q3->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q3);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q2);
//State q4
trans_table = &(q4->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q4);
return fsm;
}
fsm_t *
fsm_odd_1(){
fsm_t *fsm = create_new_fsm("FSM_3", "0,1",2);
state_t *q0 = create_new_state("q0", FSM_FALSE, "FSM_3", fsm);
state_t *q1 = create_new_state("q1", FSM_TRUE, "FSM_3", fsm);
fsm->states[0] = q0;
fsm->states[1] = q1;
set_fsm_initial_state(fsm, q0);
tt_t *trans_table = NULL;
//State q0
trans_table = &(q0->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q0);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q1);
//State q1
trans_table = &(q1->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q0);
return fsm;
}
fsm_t *
fsm_balanced_paranthesis_3_levels(){
fsm_t *fsm = create_new_fsm("FSM_4", "(,)",2);
state_t *q0 = create_new_state("q0", FSM_FALSE, "FSM_4", fsm);
state_t *q1 = create_new_state("q1", FSM_FALSE, "FSM_4", fsm);
state_t *q2 = create_new_state("q2", FSM_FALSE, "FSM_4", fsm);
state_t *q3 = create_new_state("q3", FSM_FALSE, "FSM_4", fsm);
state_t *q4 = create_new_state("q4", FSM_FALSE, "FSM_4", fsm);
state_t *q5 = create_new_state("q5", FSM_FALSE, "FSM_4", fsm);
state_t *q6 = create_new_state("q6", FSM_TRUE, "FSM_4", fsm);
state_t *q7 = create_new_state("q7", FSM_FALSE, "FSM_4", fsm);
state_t *q8 = create_new_state("q8", FSM_FALSE, "FSM_4", fsm);
state_t *q9 = create_new_state("q9", FSM_FALSE, "FSM_4", fsm);
state_t *q10 = create_new_state("q10", FSM_FALSE, "FSM_4", fsm);
state_t *q11 = create_new_state("q11", FSM_TRUE, "FSM_4", fsm);
state_t *q12 = create_new_state("q12", FSM_FALSE, "FSM_4", fsm);
state_t *q13 = create_new_state("q13", FSM_FALSE, "FSM_4", fsm);
state_t *q14 = create_new_state("q14", FSM_TRUE, "FSM_4", fsm);
state_t *q15 = create_new_state("q15", FSM_FALSE, "FSM_4", fsm);
state_t *q16 = create_new_state("q16", FSM_FALSE, "FSM_4", fsm);
state_t *q17 = create_new_state("q17", FSM_FALSE, "FSM_4", fsm);
set_fsm_initial_state(fsm, q0);
fsm->states[0] = q0;
fsm->states[1] = q1;
fsm->states[2] = q2;
fsm->states[3] = q3;
fsm->states[4] = q4;
fsm->states[5] = q5;
fsm->states[6] = q6;
fsm->states[7] = q7;
fsm->states[8] = q8;
fsm->states[9] = q9;
fsm->states[10] = q10;
fsm->states[11] = q11;
fsm->states[12] = q12;
fsm->states[13] = q13;
fsm->states[14] = q14;
fsm->states[15] = q15;
fsm->states[16] = q16;
fsm->states[17] = q17;
tt_t *trans_table = NULL;
//State q0 (initial state)
trans_table = &(q0->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q1
trans_table = &(q1->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q2);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q11);
//State q2
trans_table = &(q2->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q3);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q13);
//State q3
trans_table = &(q3->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q4);
//State q4
trans_table = &(q4->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q5);
//State q5
trans_table = &(q5->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q6);
//State q6
trans_table = &(q6->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q7);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q7
trans_table = &(q7->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q8);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q8
trans_table = &(q8->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q9);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q9
trans_table = &(q9->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q10);
//State q10
trans_table = &(q10->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q5);
//State q11
trans_table = &(q11->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q12);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q12
trans_table = &(q12->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q11);
//State q13
trans_table = &(q13->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q14);
//State q14
trans_table = &(q14->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q15);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q15
trans_table = &(q15->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q16);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
//State q16
trans_table = &(q16->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q13);
//State q17
trans_table = &(q17->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "(", 1, NULL, q17);
create_and_insert_new_tt_entry(trans_table, ")", 1, NULL, q17);
return fsm;
}
fsm_t *
fsm_phone_validation_6_digits(){
fsm_t *fsm = create_new_fsm("FSM_5", "0,1,2,3,4,5,6,7,8,9",10);
state_t *q0 = create_new_state("q0", FSM_FALSE, "FSM_5", fsm);
state_t *q1 = create_new_state("q1", FSM_FALSE, "FSM_5", fsm);
state_t *q2 = create_new_state("q2", FSM_FALSE, "FSM_5", fsm);
state_t *q3 = create_new_state("q3", FSM_FALSE, "FSM_5", fsm);
state_t *q4 = create_new_state("q4", FSM_FALSE, "FSM_5", fsm);
state_t *q5 = create_new_state("q5", FSM_FALSE, "FSM_5", fsm);
state_t *q6 = create_new_state("q6", FSM_TRUE, "FSM_5", fsm);
state_t *q7 = create_new_state("q7", FSM_FALSE, "FSM_5", fsm); // Dead state
set_fsm_initial_state(fsm, q0);
fsm->states[0] = q0;
fsm->states[1] = q1;
fsm->states[2] = q2;
fsm->states[3] = q3;
fsm->states[4] = q4;
fsm->states[5] = q5;
fsm->states[6] = q6;
fsm->states[7] = q7;
tt_t *trans_table = NULL;
//State q0
trans_table = &(q0->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, q7);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "2", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "3", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "4", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "5", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "6", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "7", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "8", 1, NULL, q1);
create_and_insert_new_tt_entry(trans_table, "9", 1, NULL, q1);
for(int i = 1 ; i <= 6 ; i++){
trans_table = &(fsm->states[i]->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "2", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "3", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "4", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "5", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "6", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "7", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "8", 1, NULL, fsm->states[i+1]);
create_and_insert_new_tt_entry(trans_table, "9", 1, NULL, fsm->states[i+1]);
}
trans_table = &(fsm->states[7]->state_trans_table);
create_and_insert_new_tt_entry(trans_table, "0", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "1", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "2", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "3", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "4", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "5", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "6", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "7", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "8", 1, NULL, fsm->states[7]);
create_and_insert_new_tt_entry(trans_table, "9", 1, NULL, fsm->states[7]);
return fsm;
}
int main(){
fsm_t *fsm1 = fsm_end_with_strict_pattern_01_or_10();
// print_fsm(fsm1);
// fsm_t *fsm2 = fsm_end_with_00_or_11();
// print_fsm(fsm2);
// fsm_t *fsm3 = fsm_odd_1();
// print_fsm(fsm3);
// fsm_t *fsm4 = fsm_balanced_paranthesis_3_levels();
// print_fsm(fsm4);
// fsm_t *fsm5 = fsm_phone_validation_6_digits();
// print_fsm(fsm5);
/*FSM Algorithm execution*/
fsm_bool_t fsm_result;
fsm_error_t fsm_error;
fsm_output_buff_t fsm_output_buff;
init_fsm_output_buffer(&fsm_output_buff);
fsm_error = execute_fsm(fsm1,
"0101010101",
strlen("0101010101"),
&fsm_output_buff,
&fsm_result);
if(fsm_error == FSM_NO_ERROR ){
if( fsm_result == FSM_TRUE ){
printf("Input String is Validated\n");
printf("FSM Output string: \n%s\n", fsm_output_buff.output_buffer);
}
else{
printf("Input String is not Valid\n");
}
}
return 0;
}
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