/**
* Match token and return value
*
* @param int $token
*
* @return mixed
* @throws UnexpectedValueException
*/
private function match($token)
{
// If next token isn't type specified throw error
if (!$this->lexer->isNextToken($token)) {
throw $this->syntaxError($this->lexer->getLiteral($token));
}
// Move lexer to next token
$this->lexer->moveNext();
// Return the token value
return $this->lexer->token['value'];
}
