Re: Elegant code Was: Re: what kind of non microconroller app are

On Apr 23, 11:07 am, stephen...@[EMAIL PROTECTED]
 (Stephen Pelc) wrote:
> On Wed, 23 Apr 2008 01:00:52 -0700 (PDT), Alex McDonald
>
> <b...@[EMAIL PROTECTED]
> wrote:
> >Then there is hope for "fat Forths" like Win32Forth. If there's one
> >thing W32F encourages, it's getting leverage from existing libraries
> >of code (DLLs primarily). The only downside at the moment is the
> >automation of the interface, where MPE's VxForth has the neat ability
> >to im****t C function headers directly. I've worked a little with SWIG
> >(http://www.swig.org/)
and used XSLT on the XML output it generates,
> >but it's far from automatic.
>
> VFX Forth started from the user perspective. Where does the
> information come from? In the main, it comes from C header
> files.
>
> Sure you can go through SWIG, but the required parser just isn't
> that complicated. For a big hint, start with Brad Rodriguez BNF
> implementation, which is tiny, good, and not difficult to extend.

Thanks for the hint. Link; http://www.zetetics.com/bj/papers/bnfparse.htm

>
> Brad's BNF parser can also be used to solve a wide range of
> notational issues. It is often stated that Forth is a way of
> writing new notations, so I am constantly amazed that tools
> for writing notations are widely ignored.

I've toyed with the idea of extending the interpreter; for instance,
switching to an XML parse on sight of <xml etc> at the head of a file.
If Brad's work makes it easier to write parsers, then that's a route
I'll investigate.

>
> Stephen
>
> --
> Stephen Pelc, stephen...@[EMAIL PROTECTED]
> MicroProcessor Engineering Ltd - More Real, Less Time
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