From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: a07f3367d7,f0256820d7b60c30
X-Google-Attributes: gida07f3367d7,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news2.google.com!postnews.google.com!e34g2000vbc.googlegroups.com!not-for-mail
From: dhenry <tfc.duke@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada to C interfacing with access on unconstrained array
Date: Wed, 21 Oct 2009 02:29:26 -0700 (PDT)
Organization: http://groups.google.com
Message-ID: 
 <6f97c919-9535-4fa6-939d-9ec2cb927ed5@e34g2000vbc.googlegroups.com>
References: 
 <2ec52d54-31f6-4289-9a9a-d947be65758c@o21g2000vbl.googlegroups.com>
	<hbl074$deo$1@aioe.org> <nospam-586C6A.23294520102009@news.aioe.org>
NNTP-Posting-Host: 80.156.46.53
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1256117366 27641 127.0.0.1 (21 Oct 2009 09:29:26
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Wed, 21 Oct 2009 09:29:26 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: e34g2000vbc.googlegroups.com; posting-host=80.156.46.53;
	posting-account=EZVF2goAAABmd4nprEqIYBBoiiKbAL2e
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.0.14)
	Gecko/2009090216 Ubuntu/9.04 (jaunty) Firefox/3.0.14,gzip(gfe),gzip(gfe)
Xref: g2news2.google.com comp.lang.ada:8767
Date: 2009-10-21T02:29:26-07:00
List-Id: <comp.lang.ada>

On 21 oct, 05:29, "John B. Matthews" <nos...@nospam.invalid> wrote:
> David: GNAT implements a convenient pragma that's especially helpful for
> this approach. Given a procedure such as
>
> =A0 =A0procedure Climb (Coco_Rec : Coco_Type; Length : Positive);
>
> One can export the procedure
>
> =A0 =A0pragma Convention(C, Climb);
> =A0 =A0pragma Export_Procedure(
> =A0 =A0 =A0 Internal =A0 =A0 =A0 =A0=3D> Climb,
> =A0 =A0 =A0 External =A0 =A0 =A0 =A0=3D> climb,
> =A0 =A0 =A0 Parameter_Types =3D> (Coco_Type, Positive),
> =A0 =A0 =A0 Mechanism =A0 =A0 =A0 =3D> (Value, Value));

Interesting.
But how does this pragma would cope with the access on unconstrained
array?

Yours,
David.