Re: A XyWrite Programming Preprocessor

[Harry Binswanger hb@xxxxxxxx]

Dare I mention XyBasic--the world's most elaborate XyWrite preprocessor?
Yes, I guess I dare.


> >The downside -- and it's a big one for me -- is that you end up with
> two versions of the program, the user-friendly one and the one that
> really works. You could narrow the gap between the two by adding a
> line to COMPILE.R that RUNs the "compiled" code after it removes the
> comments -- in other words, turn it into an enhanced RUN command.
> That would be value-added, from my point of view.
>
> Sure, if you want to test the program right away. My main concern was to
> write readable well-structured code (that I do not have try to figure out
> every time it needs a rewrite). I have used this system to rewrite basic
> routines of the XyWrite engine to suit my specialty purposes. So the
> runnable routines have to be compact. In fact, they are loaded into memory
> at startup.
>
>
>
> >The trick is to find something
> that allows comments to be read in non-eXPanded view without adding
> a lot of baggage that slows down the program. I like Wally Bass's
> strategy of using a simple IF statement ("1<0") that evaluates to
> False, so that execution jumps to the next EndIf. Like this:
>
> BC es 1XC ≪IF1<0~≫ Turn Error Suppression ON.............
> More comments here, if you like...........................
> ≪EI~≫program continues here
>
> Ok. That is quite feasible if you make an ad hoc program. But less so, if
> the routines are an integral part of your Xy engine.
>
>
> Best regards,
>
> Kari Eveli
> LEXITEC Book Publishing (Finland)
> lexitec@xxxxxxxx
>
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Harry Binswanger
hb@xxxxxxxx