[dev-context] Re: lua

Thanh Han The hanthethanh at gmail.com
Mon Aug 8 23:04:04 CEST 2005


On Mon, Aug 08, 2005 at 06:53:38PM +0200, Hans Hagen wrote:
> Hi,
> 
> Recently i've started looking into Lua, a language meant for embedding 
> in programs. It has a small footprint, and by reading themanukl i get 
> the impression that it's a pretty well designed and clever language. So 
> (after playing with lua and scite, which has it embedded) i started 
> wondering about including lua in pdftex. Of course i'm dependent on 
> others but i'm curious abotu wat members of this list think of it. It 
> has quite a clever function model. Especially because it has a small 
> footprint (some 100-150 k) it would add a lot to pdftex but at little cost.
> 
> think of on the one hand:
> 
> \dimen0=\lua{tex.todimen(tex.thedimen(0)+tex.thedimen(2)}
> 
> kind of things, or
> 
> \setbox2=\hbox to \lua{tex.todimen(somevar)}
>  {\lua{tex.text("abcde")}}
> 
> and alike. Of course the interface is to be determined, but a 
> startingpoint can be access to box dimensions and registers and the 
> ability to pipe text (strings) back into teh tex inpt stream.
> 
> whatdoyouthink ...

sounds interesting. I did a quick search on google to learn
more on this, and I like more the idea. Lua seems to be
quite suitable for this purpose: small, fast, simple syntax.
Having it embedded certainly makes a lot of fun.

Who will give it a try? :)

Thanh


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