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Message-ID: <5092DFB5.9070907@jump-ing.de>
Date: Thu, 01 Nov 2012 21:46:45 +0100
From: Markus Hitter <mah AT jump-ing DOT de>
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To: geda-user AT delorie DOT com
Subject: Re: Objects of objects (was Re: [geda-user] The state of gEDA/gaf
 (Was gEDA/PCBs diversity, Was: Pin hole size))
References: <CANqhZFxYH+Y5U1ai7ey-s+4nz6eYDM2vx3aMDb7WuigNXmi4AQ AT mail DOT gmail DOT com> <2CB304B5-9587-4734-84E4-49F464744D11 AT noqsi DOT com> <CANqhZFwPNG4R1dR2X0HB+tP1JzNXUAVg55gy54Lry5E49aAQ6Q AT mail DOT gmail DOT com> <E9D200C7-475C-4CC7-A592-5A6C14B3EA25 AT noqsi DOT com> <6BF2E986-51EB-41E9-A4AD-8071CD00B1A1 AT jump-ing DOT de> <834283D4-0891-486E-A981-2FF20B32C615 AT noqsi DOT com> <C3C35AF4-24D1-4977-9134-2C0B13473D01 AT jump-ing DOT de> <54CAA7EE-7638-4B89-8197-111D0493F859 AT noqsi DOT com> <D59D8F6D-0436-4A8D-AFC0-5124BD3031D6 AT jump-ing DOT de> <508CE947 DOT 4050408 AT xs4all DOT nl> <665E18E2-E9F9-40E4-9DE1-CC8FDBBDCB00 AT noqsi DOT com> <CAC4O8c8Q_MSCg6af5Ro13KefdTkMFeEWXyQLrMWZsTw+yJLA6g AT mail DOT gmail DOT com> <EF4E82A7-A7C2-4FD9-B7C4-0EF7AEC54DA9 AT noqsi DOT com> <508EE43F DOT 5050505 AT neurotica DOT com> <9B14233C-F3A7-489C-BDC7-F6EAAAFCAB51 AT noqsi DOT com> <8835FFD4-C2F8-4EBF-BA06-2EFD38B47865 AT noqsi DOT com> <k6sebj$7q7$1 AT ger DOT gmane DOT org> <20121101124136 DOT 247F28117B6F AT turkos DOT aspodata DOT se> <k6tvl2$ra5$1 AT ger DOT gmane DOT org> <20121101143159 DOT 3AF688130EC0 AT turkos DOT aspodata DOT se>
In-Reply-To: <20121101143159.3AF688130EC0@turkos.aspodata.se>
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Reply-To: geda-user AT delorie DOT com

Am 01.11.2012 15:31, schrieb Karl Hammar:
> Kai-Martin Knaak:

>> The break condition would need to be implemented. Until it is, you'd be
>> stuck in an endless loop.
>
> There is always the hw limit. If people wants endless loops let them
> have it. You cannot outlaw stupidity, but forbiddning useful things
> because of stupidity is not nice to the nice guys.

Please don't forget those being reasonably intelligent, still building a 
recursion accidentally. Grinding the user's whole system to a halt with 
exhaused memory due to a typo won't make you and gEDA friends.

IMHO, there should be at least an recursion counter, like max. 100 
recursions.

Still I can't see how "real" recursions can work. Real recursions would 
require to change the recursed item somehow and testing this change to 
reach a limit. So, the recursion should break as soon as the same 
symbol/schematics is detected a second time in the recursion loop.


my $0.02
Markus

-- 
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Dipl. Ing. (FH) Markus Hitter
http://www.jump-ing.de/