/**
* Tests the current token for a condition or throws an exception otherwise.
*
* @param array|integer $type
* @param array|string|null $value
* @param string|null $message
* @throws SyntaxErrorException
* @return Token|null
*/
public function expect($type, $value = null, $message = null)
{
$token = $this->tokens[$this->current];
if (!$token->test($type, $value)) {
throw new SyntaxErrorException(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s) on line %s', $message ? "{$message}. " : "", $token, $token->getValue(), Token::getName($type), $value ? sprintf(' with value "%s"', $value) : '', $token->getLine()));
}
return $token;
}
