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RE : [Frama-c-discuss] YASE \lambda

Hi,

As for general Frama-C support refer to the document "doc/acsl-implementation.pdf".
As for Jessie, something will be provided with the next release.

Hope this helps,
Benjamin Monate



-------- Message d'origine--------
De: frama-c-discuss-bounces@lists.gforge.inria.fr de la part de jean-baptiste.jeannin@hispano-suiza-sa.com
Date: lun. 20/10/2008 11:24
?: frama-c-discuss@lists.gforge.inria.fr
Objet : Re: [Frama-c-discuss] YASE \lambda
 
More generally, is there a simple way to know, both for the Helium and the 
Lithium release, what part of ACSL is implemented? More generally, it 
would be good to know:
- the exact subset of ACSL supported by each release.
- the exact subset of ACSL supported by the Jessie plugin of each release.

Is this documented somewhere? I thought I had understood that the 
non-implemented features were marked as so in the ACSL doucmentation, but 
now I cannot find how.

Thanks,
Jean-Baptiste Jeannin




Claude March? <Claude.Marche@inria.fr> 
Envoy? par : frama-c-discuss-bounces@lists.gforge.inria.fr
17/10/2008 14:35

A
Christoph Weber <Christoph.Weber@first.fraunhofer.de>
cc
frama-c-discuss@lists.gforge.inria.fr
Objet
Re: [Frama-c-discuss] YASE \lambda








Unfortunately, this feature is not expected to be available in the next 
release. Indeed neither \lambda nor \sum. The only thing we can propose 
is a work-around, for providing an ad-hoc (e.g specific for each 
example) equivalent specification.

- Claude

Christoph Weber wrote:
> Salut,
> 
> I'm thinking about some stuff I found in the acsl1_3 manual. I 
encountered \lambda, it seems comfortable so I wonder will following 
example work in the next release?
> 
> /*@
>  requires last > first;
>  requires \valid_range(first, 0, last-first -1);
>  ensures  \result == \sum(0, last-first -1,(\lambda integer k ; first[k] 
== value ? 1 : 0)); 
> 
> */
> int count_int_array ( int* first, int* last, int value )
> {
>   int ret=0;
>   //@ ghost int* a = first;
>     /*@
>      loop invariant a <= first <= last;
>      loop invariant ret == \sum(0, first-a-1,(\lambda integer k ; 
first[k] == value ? 1 : 0));
>     */
>   while (first != last) if (*first++ == value) ++ret;
>   return ret;
> }
> 
> Merci d'avance
> 
> Christoph
> 
> 
> 
> ------------------------------------------------------------------------
> 
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> Frama-c-discuss mailing list
> Frama-c-discuss@lists.gforge.inria.fr
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/frama-c-discuss

-- 
Claude March?                          | tel: +33 1 72 92 59 69
INRIA Saclay - ?le-de-France           | mobile: +33 6 33 14 57 93
Parc Orsay Universit?                  | fax: +33 1 74 85 42 29
4, rue Jacques Monod - B?timent N      | http://www.lri.fr/~marche/
F-91893 ORSAY Cedex                    |







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