Re: gEDA-user: simulation advice

[Dan McMahill <dan@xxxxxxxxxxxx>]

al davis wrote:
> On Tuesday 03 April 2007 15:02, Patrick Doyle wrote:
> > I'm a 20 year Unix veteran.  I prefer case sensitivity :-)
>
> The issue here is not preference but conformance to a published 
> standard (Verilog) or to an unwritten understanding in Spice.
>
> Actually, early versions of Spice (in Fortran) were case 
> sensitive.
>
> A mix is annoying.  The only reason I let it go in gnucap 
> is "that part of the code is planned for major rework anyway".
>
> Specifically, there will be language plug-ins that will 
> determine the syntax that is read, finally truly solving the 
> spice compatibility problem.
>
> Actually ... I too prefer case sensitivity.

I also prefer case sensitivity although this touches on something 
painful.  Many tools, especially older ones, have more restrictive rules 
for things like net names and refdes names.  So you have to be careful. 
 As an example in gschem/gnetlist "R1" and "r1" are unique as are 
"Input" and "INPUT".  There is a framework in gnetlist for mapping to a 
more restrictive format (for example by converting to uppercase and 
truncating to 8 characters if thats what a backend needs) while 
monitoring for collisions created by doing so.  However I'm willing to 
bet that not all backends which need this functionality actually have 
this functionality.

-Dan



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