Based on feedback from Kai-Martin, here's an improved version:

Attachment: censor-fix.scm
Description: Binary data


On May 26, 2011, at 4:58 PM, John Doty wrote:

> Folks,
> 
> The "attribute censorship bug" is what I call the problem that given a refdes 
> that corresponds to multiple symbol instances, gnetlist only looks for 
> attributes from the first instance it finds, ignoring the rest. One common 
> place this causes trouble is in footprints for slotted components: if the 
> footprints on the different slots don't agree, or if the footprint is missing 
> from the first instance, the result may not be what the user intended.
> 
> The latest development release (1.7.0) has the capability to detect this 
> problem, and it works in the case of an attribute that is consistent, but 
> perhaps not present on all instances. In the case of conflicting attributes 
> all it does is issue a warning, and otherwise repeats the old behavior. I 
> don't think this constitutes a complete fix: the wrong attribute may still 
> show up in the output.
> 
> The attached script not only emits a message, but substitutes 
> "attribute_conflict" for the attribute in question. Since that's not normally 
> a legitimate value, it should help the user to detect the problem.
> 
> Usage:
> 
> gnetlist -m censor_fix.scm (other gnetlist args)
> 
> I haven't tested it much, so please report any problems. And, of course, 
> you're welcome to change its behavior to suit your flow. It requires at least 
> version 1.7.0.
> 
> <censor-fix.scm>
> 
> John Doty              Noqsi Aerospace, Ltd.
> http://www.noqsi.com/
> j...@noqsi.com
> 
> 
> 
> 
> _______________________________________________
> geda-user mailing list
> geda-user@moria.seul.org
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John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
j...@noqsi.com



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