X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=mime-version:in-reply-to:references:date:message-id:subject:from:to
         :content-type;
        bh=devcOgADTKM2tYGHRpwrwnFtMriR6ysw1SBa2iuhwtU=;
        b=z9NBWlTV4OnybwLS+2gg+m6ryQeN5rpZgFICGF/WmE1+H78PKjYH7AXdLpjlVvsn0c
         CnGXCTQu7z3lW4Bm3FzwKBaWvZe83s7yX/MdiA4oMj0zz71fCPkGE+exo4F28tO85THe
         LXE0pcaYPMMxtnaueDfzcugomhGtwC6UrXwjWW968AFPDCQkXnOZGcB3IJz4aHW60G5P
         mQnlYLJYTDQjpn53h8+RMj0T21XO5LQ4LeXuFciXvc0WHfCbug6GWMVRb0b82ca3jAaP
         Gd3OQtXcSC49sj1yZx2Nd4lY84rZGhKbfJbKRt7hFje1QZOMvrn/qYMGxioHK/Oip0oS
         Iv+g==
MIME-Version: 1.0
X-Received: by 10.112.124.164 with SMTP id mj4mr17029225lbb.3.1436485538578;
 Thu, 09 Jul 2015 16:45:38 -0700 (PDT)
In-Reply-To: <201507092332.t69NWUEN006109@envy.delorie.com>
References: <CAM2RGhTpfbqM7zNn72TBOjeL7B7LPT1PxSEU3+9aDdChFrPFTg AT mail DOT gmail DOT com>
	<alpine DOT DEB DOT 2 DOT 00 DOT 1507090507530 DOT 6924 AT igor2priv>
	<alpine DOT DEB DOT 2 DOT 11 DOT 1507091329350 DOT 3444 AT nimbus>
	<559E86A4 DOT 3040109 AT ecosensory DOT com>
	<DC183265-AD4B-4707-970F-1EE5D3578126 AT noqsi DOT com>
	<201507091843 DOT t69IhGF6028321 AT envy DOT delorie DOT com>
	<6392CE1A-AFA0-4D62-979C-3F35786422BD AT noqsi DOT com>
	<201507092127 DOT t69LRHRC001744 AT envy DOT delorie DOT com>
	<559EFE69 DOT 1040601 AT zoot DOT drehmel DOT com>
	<201507092332 DOT t69NWUEN006109 AT envy DOT delorie DOT com>
Date: Thu, 9 Jul 2015 23:45:38 +0000
Message-ID: <CAM2RGhTTO-TFebPC62Sx=FO9gCmmgBQxY2P2eVGQGfOLw-wb3Q@mail.gmail.com>
Subject: Re: [geda-user] Back annotation
From: "Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Content-Type: text/plain; charset=UTF-8
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

On Thu, Jul 9, 2015 at 11:32 PM, DJ Delorie <dj AT delorie DOT com> wrote:
>
>> How do you think this mapping tool should get the data from the schematic -
>> via a special scheme netlist script or by reading the schematic file itself?
>
> Nothing should read the schematic itself.  I thought of two ways:

Agreed. Too many of the scripts people have contributed directly
parse/interpret the sch or fp files. What we need is to tidy up
libgeda and pcb so that there is a documented interface for this kind
of work.

> 1. The various tools that deal with attributes also know about
>    "implied" attributes, which are the result of database and ruleset
>    queries.  Thus, in gschem's attribute window you'd have access to
>    the database as well as user-specified attributes.  This lets the
>    user override the rules while still having the convenience of a
>    database.
>
> 2. The netlister would need to feed its data into some sort of engine
>    that combines the specific attributes with implied ones, adds in
>    other external data and/or back-annotation data, and produce
>    whatever the backend needs.



-- 
Home
http://evanfoss.googlepages.com/
Work
http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/