cpp replaced by m4?

[roger.levasseur at comcast.net]

An article saved from long ago shows how to do something similar to this, but with Tcl.
C Preprocessing with Tcl, by Jonathan S. Arney, Dr Dobb's Journal, August 1998.

    -roger

-------------- Original message -------------- 
From: Kent Johnson <kent37 at tds.net> 

> Bill Sconce wrote: 
> >> => Can we have an example of why you want to do this? 
> >> 
> >> Sure. For starters, one thing that we're looking to do: 
> >> 
> >> Loops. 
> >> 
> >> int *arr[]() = { 
> >> #for ii in l1 l2 l3 l4 etc 
> >> #do 
> >> func##cpp_eval(ii), 
> >> #done 
> >> }; 
> > 
> > 
> > Ah. He wants Python... 
> 
> Cog lets you use Python as a code generator embedded in C or whatever: 
> http://www.nedbatchelder.com/code/cog/index.html 
> 
> I think your example would look something like this: 
> 
> int *arr[]() = { 
> /*[[[cog 
> import cog 
> for ii in 'l1 l2 l3 l4'.split(): 
> cog.outl('func%s,' % ii) 
> ]]]*/ 
> //[[[end]]] 
> }; 
> 
> Kent 
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