#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>

#include "format.h"
#include "io.h"
#include "ir.h"
#include "parse.h"

#define ELF_HEADER_SIZE 0xb0

symbol compile(void) {
    symbol entry_point = new_symbol();
    define_executable_symbol(entry_point);
    var argc, argv, env;
    init_ir(&argc, &argv, &env);
    parse();
    var a = lit(52);
    var b = lit(10);
    var exit_code = sub(a, b);
    var sys_exit = lit(60);
    var args[2] = { sys_exit, exit_code };
    syscall(2, args);
    return entry_point;
}

int main(int argc, char** argv) {
    if (argc != 3) {
        fprintf(stderr, "usage: %s <output file> <source file>\n", argv[0]);
        exit(1);
    }
    open_files(argv[2], argv[1]);

    elf_executable();
    symbol entry_point = compile();
    finish_executable(entry_point);

    close_files();
    return 0;
}