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From: Christian Riggenbach <criggenbach AT magahugu DOT ch>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Using Lua to safely read configuration and layout files (program attached)
Date: Sun, 08 Feb 2015 00:00:23 +0100
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On Saturday 07 February 2015 17.35:56 you wrote:
> One thing to keep in mind when saying "lua is only for expressions" is
> to remember that our expressions have *units* (mm, mil, etc) on them.
> 
> Can lua parse "3mm + $n * 10mil" ?

To state the obvious: yeah, that would be a problem. Either code the unit-
system in the core (hard to maintain), use something as trivial as "3*mm + $n 
* 10*mil" and define mm end the other units as factors (hard to read). And 
unit-parsing on an higher level would negate the added benefit of a parser in 
the first way.

-- 
mit freundlichem Gruss

Christian Riggenbach