* instantiation of the sigrokdecode.Decoder class. This will recurse
* to find the instance anywhere in the stack tree.
*
* @param stack Pointer to a GSList of struct srd_decoder_instance,
* indicating the stack to search. To start searching at the bottom
* level of decoder instances, pass NULL.
* instantiation of the sigrokdecode.Decoder class. This will recurse
* to find the instance anywhere in the stack tree.
*
* @param stack Pointer to a GSList of struct srd_decoder_instance,
* indicating the stack to search. To start searching at the bottom
* level of decoder instances, pass NULL.