class Token

class Token {
    public const TYPE_FILE_END = 'eof';
    public const TYPE_DELIMITER = 'delimiter';
    public const TYPE_WHITESPACE = 'whitespace';
    public const TYPE_IDENTIFIER = 'identifier';
    public const TYPE_HASH = 'hash';
    public const TYPE_NUMBER = 'number';
    public const TYPE_STRING = 'string';
    public function __construct(?string $type, ?string $value, ?int $position) {
    }
    public function getType() : ?int {
        return $this->type;
    }
    public function getValue() : ?string {
        return $this->value;
    }
    public function getPosition() : ?int {
        return $this->position;
    }
    public function isFileEnd() : bool {
        return self::TYPE_FILE_END === $this->type;
    }
    public function isDelimiter(array $values = []) : bool {
        if (self::TYPE_DELIMITER !== $this->type) {
            return false;
        }
        if (!$values) {
            return true;
        }
        return \in_array($this->value, $values, true);
    }
    public function isWhitespace() : bool {
        return self::TYPE_WHITESPACE === $this->type;
    }
    public function isIdentifier() : bool {
        return self::TYPE_IDENTIFIER === $this->type;
    }
    public function isHash() : bool {
        return self::TYPE_HASH === $this->type;
    }
    public function isNumber() : bool {
        return self::TYPE_NUMBER === $this->type;
    }
    public function isString() : bool {
        return self::TYPE_STRING === $this->type;
    }
    public function __toString() : string {
        if ($this->value) {
            return \sprintf('<%s "%s" at %s>', $this->type, $this->value, $this->position);
        }
        return \sprintf('<%s at %s>', $this->type, $this->position);
    }

}