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	Mon, 16 Jan 2017 10:32:22 -0800 (PST)
Date:	Mon, 16 Jan 2017 21:32:19 +0300
From:	"Vladimir Zhbanov (vzhbanov AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] gEDA/gaf: want an advice
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	<9150b032-82fd-2578-bce2-73f9ede0d2b5 AT ecosensory DOT com>
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On Sun, Jan 15, 2017 at 04:16:09PM -0600, John Griessen (john AT ecosensory DOT com) [via geda-user AT delorie DOT com] wrote:
...
>  I would want to, but I have to much to do to start very soon.
> I think there could be some good use of your work, even by people
> who don't want to use scheme/LISP for programming.

I hope :-)

> 
> How do we learn more about your tree representation?
>

For example, in the directory gnetlist/test:
  gnetlist -i hierarchy.sch


(If you want to run Geiser in Emacs, do:

scheme@(guile-user)> ,use (system repl server)
scheme@(guile-user)> (spawn-server)

and use `M-x connect-to-guile'. It's a very convenient environment
to work with Scheme.)


Type in REPL:
  
scheme@(guile-user)> (schematic-netlist toplevel-schematic)

to get the current gnetlist netlist representation,
or

scheme@(guile-user)> (schematic-netlist toplevel-schematic)

or better

scheme@(guile-user)> ,pretty-print (schematic-netlist toplevel-schematic)

to see its tree view.


Currently, I've reduced the package info to show only package
id's. In order to see, say, their refdeses in the output of the
above commands, you can, e.g., replace the current line in
'gnetlist/scheme/gnetlist/package.scm:

 (set-record-type-printer!
  <package>
  (lambda (record port) (format port "#<geda-package ~A>" (package-id record))))

with

 (set-record-type-printer!
  <package>
   (lambda (record port) (format port "#<geda-package ~A ~A>" (package-id record) (package-refdes record))))


Then, you have to think up, what do you want to do with that
(netlist or tree) representation. For example, the (resurrected)
'makedepend' backend outputs lines to use in Makefiles for spice
simulation. This is using of the tree representation. Some other
backends use the flat netlist representation (schematic-netlist)
to yield netlists.

-- 
  Vladimir

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