Re: UFFI vs. Boolean

From: Kenny Tilton (ktilton_at_nyc.rr.com)
Date: 11/22/04 

Date: Mon, 22 Nov 2004 20:32:20 GMT

Pascal Bourguignon wrote:

> Kenny Tilton <ktilton@nyc.rr.com> writes:
>
>
>>Russell McManus wrote:
>>
>>>Kenny Tilton <ktilton@nyc.rr.com> writes:
>>>
>>>
>>>>I see also while working on Vasilis's herculean Gtk bindings that
>>>>(a) Clisp has a killer FFI and (b) UFFI does not support CLisp.
>>>>
>>>>Whassup wid dat?
>>>
>>>As you are aware, UFFI is a relatively thin macro layer on top of a
>>>couple of Lisp implementations's FFIs. So there is an inherent
>>>assumption in the design of UFFI that the underlying FFIs provide
>>>roughly equivalent services, only with different interfaces.
>>>But CLISP's FFI provides higher level constructs and otherwise
>>>doesn't
>>>fit in perfectly with the model assumed by UFFI. This is not to say
>>>that some enterprising hacker couldn't figure out a way to do it.
>>>I agree that CLISP's FFI is very cool.
>>
>>So I was thinking, maybe anything UFFI semantics call for can be
>>implemented using the CLisp FFI. I did not exhaustively confirm this,
>>so maybe if I tried I would get 80% of the way there and...doh!
>>
>>I realize this would be a comedown from native CLisp FFI, since we
>>would be doing the least common denominator thing, but I think that is
>>unavoidable if one wants portable code. And I do not think CLisp would
>>be the first Lisp held back by the LCD thing.
>>
>>Anyway, I am busily hacking a boolean type into UFFI. Partly. :) I
>>just want to see cells-gtk run under allegrocl. :)
>
>
> Already two UFFI for clisp implementations have been started, one by
> Joerg-Cyril Hoehle and one by me.

Yes, I googled that up and checked it out. Looks intense.

Right now I am doing something really stupid, trying to get a quick
(ha!) win by just trying to get the CLisp code to work for AllegroCL, by
deviously conditionalizing Vasilis's own wrappers for FFI macros. ie,
trying to make FFI-conscious code work on Allegro.

I should just suck it up and rework all the FFI stuff to use UFFI, and
then yours or J-C's will let the result get back to CLisp.

kt 

-- 
Cells? Cello? Celtik?: http://www.common-lisp.net/project/cells/
Why Lisp? http://alu.cliki.net/RtL%20Highlight%20Film

Relevant Pages

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