#include <stdio.h>
#include "StackLib.h"
#include <math.h>

#define LABELS_COUNT 32
#define MEMORY_SIZE 128

 enum command_list
{
    CMD_PUSH = 1,
    CMD_ADD = 3,
    CMD_MUL = 4,
    CMD_DIV = 5,
    CMD_SUB = 6,
    CMD_POP = 20,
    CMD_POPsq = 21,
    CMD_POPax = 22,
    CMD_POPbx = 23,
    CMD_POPcx = 24,
    CMD_POPdx = 25,
    CMD_JMP = 100,
    CMD_JE = 101,
    CMD_JNE = 102,
    CMD_JA = 103,
    CMD_JAE = 104,
    CMD_JB = 105,
    CMD_JBE = 106,
    CMD_OUT = 7,
    CMD_SQRT = 8,
    CMD_IN = 9
};

struct CPU
{
    double ax;
    double bx;
    double cx;
    double dx;
    int * memory;
    struct * Stack;
};

int main ()
{
    struct CPU MY_CPU;
    initialize_CPU(&MY_CPU);
    FILE * bytecod = fopen ("bytecod.txt", "r");
    int size = fsize(FILE * bytecod);

    int * commands = (int *) calloc(size, sizeof(int));
    int * labels = (int *) calloc(LABELS_COUNT, sizeof(int));
    char symbol = '\0';
    int label = 0;

    mem_labels(bytecod, labels);
}

int initialize_CPU(struct CPU * MY_CPU)
{
    /*
     *   МЕСТО ДЛЯ ПРОВЕРОК
     */

    MY_CPU -> memory = (int *) calloc (MEMORY_SIZE, sizeof(int));
    MY_CPU -> ax = 0;
    MY_CPU -> bx = 0;
    MY_CPU -> cx = 0;
    MY_CPU -> dx = 0;
    MY_CPU - = init_stack()

}


int fsize(FILE * bytecode)
{
    if (bytecod == NULL )
    {
        return -1;
    }

    int size = 0;
    int curpos = 0;
    curpos = ftell(bytecod);
    fseek (bytecod, 0, SEEK_END);
    size = ftell(bytecod);
    fseek (bytecod, 0, curpos);
    return size;
}

int mem_labels (FILE * bytecod, int * labels)
{
    /*
     *   МЕСТО ДЛЯ ПРОВЕРОК
    */


    char symbol = '\0';
    int number_of_label = 0;
    int number_of_command = 0;

    initialize_array(labels);

    while(fscanf(bytecod, "%c", &symbol) != EOF)
    {
        if (symbol == ':')
        {
            fscanf(bytecod, "%d", &number_of_label);
            labels[number_of_label] = number_of_command;
        }

        else
            number_of_command += 1;
    }

    return 0;

}