from collections import deque
from icecream import ic
from typing import Iterable

from command_translation import translate
from tokenizer import tokenize

from math_objects import Token, Integer, Operator

equation: str = "1+0-1/(0+2)"# input()

if not equation.strip():
    raise SyntaxError("Пустая строка")

tokens: Iterable[Token] = tokenize(equation)
sorted_tokens: Iterable[Token] = translate(tokens)

token_stack: deque[Token] = deque()

for token in sorted_tokens:
    if not isinstance(token, Operator):
        token_stack.append(token)
        continue
    try:
        b, a = token_stack.pop(), token_stack.pop()
    except IndexError:
        raise SyntaxError
    ic(a.value, token.value, b.value)
    new_integer = Integer(eval(f"{a.value}{token.value}{b.value}"))
    token_stack.append(new_integer)

print(token_stack.pop().value)