if(get_token(c, str) == HEX)
        {
            if(get_token(c, str) == COLON)
            {
                if(get_token(c, str) == WHITESPACE)
                {
                    if(get_token(c, str) == HEX)
                    {
                        if(get_token(c, str) == WHITESPACE)
                        {
                            instruction_symbol(c, str);
                        }
                        else
                        {
                            print_fatal("Syntax error: expected whitespace but got %s\n", str.c_str());
                        }
                    }
                    else
                    {
                        print_fatal("Syntax error: expected hex but got %s\n", str.c_str());
                    }
                }
                else
                {
                    print_fatal("Syntax error: expected whitespace but got %s\n", str.c_str());
                }
            }
            else
            {
                print_fatal("Syntax error: expected ':' but got %s\n", str.c_str());
            }
        }
        else
        {
            print_fatal("Syntax error: expected hex but got %s\n", str.c_str());
        }