from lexer import lex
from parser import parse
from runner import evaluate
from std import _get_debug
import sys


def main():

    if len(sys.argv) != 2:
        print("usage: neb <file>")
        sys.exit(1)

    with open(sys.argv[1], "r") as fil:
        data = fil.read()

    try:
        lexed = lex(data, [])
        '''
        if _get_debug():
            acc = " ".join([f"{l}" for l in lexed])
            print(f" - LEX:  {acc}")
        '''
        parsed = parse(lexed, [])
        '''
        if _get_debug():
            acc = " ".join([f"{p}" for p in parsed])
            print(f" - PARSE: {acc}")
        '''
        ev = evaluate(parsed, [])
    except Exception as e:
        print(f"panic! {e}")
    '''
    print("### neb :)(:")
    print("version: < 0")
    idx = 1
    while True:
        inp = input(f"#{idx}> ")
        if len(inp.strip()) == 0:
            continue
        try:
            lexed = lex(inp, [])
            if _get_debug():
                acc = " ".join([f"{l}" for l in lexed])
                print(f" - LEX:  {acc}")
            parsed = parse(lexed, [])
            if _get_debug():
                acc = " ".join([f"{p}" for p in parsed])
                print(f" - PARSE: {acc}")
            ev = evaluate(parsed, [])
            print(f"=> {ev}")
            idx += 1
        except Exception as e:
            print(f"panic! {e}")
    '''
        

if __name__ == "__main__":
    main()