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Re: Guile on Zile, module questions

From: Ludovic Courtès
Subject: Re: Guile on Zile, module questions
Date: Mon, 05 Dec 2011 18:11:53 +0100
User-agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.90 (gnu/linux)

Hi Mike!

Mike Gran <address@hidden> skribis:

> Over the USA holiday I started looking at the last C version of
> Zile, which has its own toy Lisp interpreter.  (Zile also
> comes in a new Lua version!)  I looks like it would be simple to
> strip out that Zile Lisp and replace it with Guile Scheme. 
> But I don't think anyone has tried it.

This sounds great!  Another competitor for Gano and Guile-Emacs!  ;-)

Where’s the source?  :-)

> Zile has two scopes.
> 1) a Zile scope
> 2) a buffer-specific scope

You might want to check the crazy things BT Templeton did to handle

(You might need additional input from him, though.  ;-))

> As far as I can tell, I should use 'module-obarray' to get
> all the bindings for the buffer-specific module and I should
> look at '%module-public-interface' to get the list of exported
> functions and vars in the top Zile module.

Note that you should use ‘module-public-interface’ instead of referring
to the ‘%module-public-interface’ binding.

Here’s an example:

  (hash-fold (lambda (k v r) (cons k r))
             (module-obarray (module-public-interface the-root-module)))

There’s also ‘module-for-each’:

  (module-for-each (lambda (b v)
                     (format #t "variable `~a' has value `~a'~%" b
                             (variable-ref v)))
                   (resolve-interface '(ice-9 q)))

Looking forward to using this new Zile.  :-)


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