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Subject:	Re: [geda-user] Using Lua to safely read configuration and layout files (program attached)
From:	John Doty <jpd AT noqsi DOT com>
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Date:	Sun, 8 Feb 2015 17:52:55 -0700
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On Feb 8, 2015, at 1:51 PM, John Griessen <john AT ecosensory DOT com> wrote:

> On 02/08/2015 12:54 PM, Svenn Are Bjerkem wrote:
>> I can't help myself asking: Why isn't the gnetlist code exposing the needed information to the API? Too difficult to do, or too
>> boring to get done?
>> 
> 
> It must be the temperament of those that decide to spend time on the project.
> 
> a.  Too boring to do.
> b.  Requires too much slogging for too little braggable results.
> c.  Does not pay well.
> d.  It's a large enough task that some cooperation would be a great help, but it's hard to find any...
> e.  "Where to start?"  *AND*  "I don't like writing documentation."
> 
> Just my guesses.
> 

I think a lot of it is a result of doing it in two languages. Libgeda does the parsing in C, but the high level is Scheme. It’s connected by some fairly complex C code in gnetlist that gives the Scheme level specific views into the C data structures. Peter Brett told me he was working on an complete implementation in Scheme, but he apparently never finished.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com

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