main.py

import sys
from argparse import ArgumentParser
from pathlib import PurePosixPath
from typing import List

from braincompiler import compile_code


def main(args: List[str]):
    arg_parser = ArgumentParser(description="Compile simple language in brainfuck")
    arg_parser.add_argument('file', type=str, help='Input file')
    arg_parser.add_argument('-o', type=str, default=None, help='output file')
    names = arg_parser.parse_args(args[1:])

    with open(names.file) as f:
        data: str = compile_code(f.read())

    output = names.o
    if output is None:
        output = PurePosixPath(names.file).stem + ".bf"

    with open(output, "w") as f:
        for i in range(0, len(data), 100):
            f.write(data[i:i + 100] + "\n")


if __name__ == '__main__':
    main(sys.argv)