luya\TagParser::instantiatTag PHP Method

    private function instantiatTag($tag)
    {
        if (!$this->hasTag($tag)) {
            throw new Exception("Unable to find requested TagParser tag '{$tag}'.");
        }
        if (!is_object($this->tags[$tag])) {
            $this->tags[$tag] = Yii::createObject($this->tags[$tag]);
            Yii::trace('tag parser object generated for:' . $tag, __CLASS__);
        }
    }