compile.py

import sys
import logging
import glob
import argparse
import os

logging.basicConfig(stream=sys.stdout, level=logging.DEBUG, format="%(message)s")

HERE = os.path.dirname(os.path.realpath(__file__))
assert os.path.exists(HERE) and os.path.isdir(HERE)

for file in glob.glob(os.path.join(HERE, "temper.out/py/*")):
    sys.path.append(file)

import ebrew

def read_file(args, k):
    name = args[0]
    with open(name, "rb") as f:
        text = f.read().decode("utf-8")
    k(ebrew.unstring(text))

def compile(target: str, code: str) -> str:
    env = ebrew.Env()

    chars = []

    def putchar(args, k):
        chars.append(chr(int(args[0].to_string())))
        k(args[0])

    env.add("read-file", read_file)
    env.add("putchar", putchar)

    with open(os.path.join(HERE, "src/ebrew.eb")) as f:
        env.source(f.read())

    env.call("main-lang", [ebrew.string(target), ebrew.string(code)])

    return "".join(chars)

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("input", type=argparse.FileType("r"))
    parser.add_argument("-o", "--output", type=argparse.FileType("w"), required=True)
    parser.add_argument("-t", "--target", choices=['inc', 'min', 'c'], default = 'inc')
    args = parser.parse_args()

    code = args.input.read()
    args.input.close()

    output = compile(
        target = args.target,
        code = code,
    )

    args.output.write(output)
    args.output.close()

if __name__ == "__main__":
    main()