private function containsOnlyOneWord(MacroNode $node)
{
if (method_exists($node->tokenizer, 'fetchUntil')) {
$result = trim($node->tokenizer->fetchUntil(',')) === trim($node->args);
} else {
$result = trim($node->tokenizer->joinUntil(',')) === trim($node->args);
}
$node->tokenizer->reset();
return $result;
}