#!/usr/bin/env python3

import sys, enum

class ModuleType(enum.Enum):
    Basic = 
    Thruster = enum.auto()
    Hub = enum.auto()

class TokenType(enum.Enum):
    Declarator = enum.auto()
    Arithmetic = enum.auto()
    Literal = enum.auto()
    Variable = enum.auto()



KEYWORDS = [
    "if", # if
    "to", # function definition
    "using", # arg introducers
    "by", # "
    "with", # "
    "foreach", # for
    "it" # iterator
]

STATEMENT_CLASSIFIERS = [
    "if",
    "to",
    "foreach"
]

KEYWORDS_ACCEPT = {
    "if":
}

mem = {
    "w": [], # Current word being processed
    "stno": 0, # Number of statement being processed
    "next": 0,
    "if": 
    "cvl": 0, # Convolution level (paren depth) 
}
program = []

with open(sys.argv[1]) as f:
    prg = f.read().split(";")


def lexer(prg):
    for statement in prg: # For statement in program
        mem["stno"] = 0
        mem["w"] = ""
        for char in list(statement):
            if char == " " && !mem[""]:
                # On spaces or new lines, begin a new word
                mem["w"] = ""
                continue
            else if char == "(":
                cvl
            else:
                mem["w"] += char

            #match mem["w"]:
            #    case "if": 
            #        # Now parsing an if statement
            #        mem["if"]["active"] = True
            #    case 
            if mem["w"] in STATEMENT_CLASSIFIERS:
                # Activate mode specified by word
                # If mem["w"] is 'if', enable if mode
                mem[mem["w"]]["active"] = True