Experimental Physics and
Industrial Control System

Benjamin Franksen <[email protected]> · Thu, 26 Aug 2010 16:59:49 +0200

On Mittwoch, 25. August 2010, Andrew Johnson wrote:
> You're right, these should all be valid:
>
> file xyz { pattern {} }		- No insertion
> file xyz { pattern {} {} }		- Insert xyz
> file xyz { pattern {x} }		- No insertion
> file xyz { pattern {x} {} }		- Insert xyz, x inherits or is undefined
> file xyz { pattern {x} {1} }	- Insert xyz, x=1
>
> However this should result in a warning message, which I added to
> dbLoadTemplate yesterday:
>
> file xyz { pattern {} {1} }

I would say this is an error.

More generally speaking, the number of pattern-values should always be equal 
to the number of pattern-names. Of course, this goes beyond what we can 
specify with a context free grammar, so it must be stated (and checked) 
separately.

Cheers
Ben

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System