Re: [Flora-development] [Xsb-development] XSB and Flora-2 wrappers for .NET and Python

[Markus S. <msc...@fo...>]

Dear Gon=E7alo,

Well, this is great! It's funny that at a pretty much same time two people=
=20
do allmost the same thing in different parts of the world (except you live=
=20
in my neighbourhood) :-) As I see it from your message it seems that you=20
have put more time into your .NET wrapper and are more familiar with .NET=
=20
then me. What regards the Flora-2 interface it's pretty simple to add it=20
to a XSB wrapper if you export functions like xsb_command_string and=20
xsb_query_string since Flora-2 can be loaded this way. Maybe we should=20
exchange our solutions and see if we can work out whats the best for the=20
community (e.g. combine ideas and concepts) to faciliate the community=20
with a good and working .NET interface to XSB and Flora-2?

Best regards

--
Markus Schatten, dipl. inf.
e-mail: mar...@fo...
http://www.tiaktiv.hr


On Wed, 17 Jan 2007, Gon=E7alo Lopes wrote:

> Dear Markus,
>
> I think your contribution is very interesting as well. I myself have
> finished recently a .NET interface to XSB and was also thinking of
> submitting it to the community, but maybe we should compare some notes
> first.
>
> I'm not very familiar with Flora-2, and I'm just focusing on bringing
> XSB's expressive power over to the .NET domain, so maybe your wrapper
> has more to offer on this regard. On the other hand, I've also focused
> on making my wrapper something more than a dll wrapper. Here are some
> of the current features so far:
>
> - Complete .NET classes for XSBPrologEngine and PrologTerm (making it
> much more elegant to handle terms in an object-oriented manner)
> - Integration made through C++/CLI in order to take advantage of XSB's
> configuration macros (future multithreading support...)
> - Possibility to register .NET delegates as managed XSB predicates, so
> some Prolog predicates can be properly implemented by managed code.
>
> I'll be submitting my source code soon with a more detailed
> explanation of the features as long as some working examples. I hope
> we can both get feedback in order to supply the best possible .NET
> wrapper to the XSB community.
>
> Best regards,
>
> Gon=E7alo
>
>
> On 1/16/07, Michael Kifer <ki...@cs...> wrote:
>>
>> Dear Markus,
>> Thank you very much for the contribution.
>> To be included in either XSB or Flora-2, your files have to be released
>> under LGPL.
>>
>> I didn't quite understand what the wrapper around xsb.dll does.
>> Is it exporting things like xsb_query to .NET languages
>> (in this case it should be really part of XSB)?
>>
>> Or is it an object-oriented interface, which can talk to Flora-2 directl=
y?
>> You alluded to this in connection with the Python wrapper, which is very
>> interesting.
>>
>>
>>         regards
>>           --michael
>>
>>> Dear sirs,
>>>
>>> my name is Markus Schatten, I'm an assistant on the Faculty of Organiza=
tion
>>> and  Informatics in Vara=C5=BEdin, Croatia in Databases and Formal Meth=
ods. One of
>>> my  professors (dr.sc. Mirko =C4?ubrilo) asked me to develop a XSB and =
Flora-2
>>> dll-wrapper for MS Visual Studio.NET, which I have developed using the
>>> C-binding of XSB. I'm not a .NET professional so there are probably som=
e bugs
>>> in the solution, but it works fine, and since I'm not sure if I will ha=
ve
>>> time to develop it further I'd like to contribute it to your projects, =
of
>>> course if there is interest in such a contribution.
>>> I've created a C# class which wraps around the xsb.dll and makes allmos=
t all
>>> functions exported in the dll available to all other .NET languages. I'=
ve
>>> also implemented two methods for converting prolog terms to strings and
>>> printing of terms (allmost direct translation of printpterm in cmain2.c=
).
>>> Since my primary programming language is Python I also created a wrappe=
r for
>>> Python (using SWIG http://www.swig.org) which could be used to wrap XSB=
 and
>>> Flora-2 to all the other scripting languages supported by SWIG. The Pyt=
hon
>>> wrapper is not fully implemented by now since I'd like to make the inte=
rface
>>> more intuitive to Python programmers and will probably try to combine t=
he
>>> power of Flora-2 and ZODB (http://www.zope.org/Products/ZODB3.3).
>>> So if there's any interest I'll be very happy if I can contribute to yo=
ur
>>> projects.
>>>
>>>  Best regards
>>>
>>>  --
>>>  Markus Schatten, dipl. inf.
>>>  Faculty of Organization and Informatics
>>>  Vara=C5=BEdin, Croatia
>>>  e-mail: mar...@fo...
>>>  http://www.foi.hr
>>>
>>> -----------------------------------------------------------------------=
--
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>>
>>
>>
>> ------------------------------------------------------------------------=
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>
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