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: 103376,a37312089c9aa81b
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news2.google.com!postnews.google.com!v16g2000vbq.googlegroups.com!not-for-mail
From: Syntax Issues <syntax.issues@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Order of execution of subprogram parameters
Date: Sat, 19 Mar 2011 12:51:25 -0700 (PDT)
Organization: http://groups.google.com
Message-ID: 
 <362b2da7-c3dd-47f6-a056-4cb5165ca871@v16g2000vbq.googlegroups.com>
References: 
 <fbb8207c-a093-4e17-876d-fd6bbc8c0ba8@cu4g2000vbb.googlegroups.com>
 <im2urq$kqs$1@tornado.tornevall.net>
NNTP-Posting-Host: 130.207.218.196
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1300564286 8948 127.0.0.1 (19 Mar 2011 19:51:26
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Sat, 19 Mar 2011 19:51:26 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: v16g2000vbq.googlegroups.com; posting-host=130.207.218.196;
 posting-account=iBd8kwoAAADZsnwFNFLVlwsLLxwDLPUm
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.3)
 Gecko/20100401 Firefox/3.6.3 (.NET CLR 3.5.30729),gzip(gfe)
Xref: g2news2.google.com comp.lang.ada:19292
Date: 2011-03-19T12:51:25-07:00
List-Id: <comp.lang.ada>

On Mar 19, 2:58=A0pm, Jeffrey Carter
<spam.jrcarter....@spam.not.acm.org> wrote:
> On 03/19/2011 10:10 AM, Syntax Issues wrote:
>
> > Across ada compilers what is the order of execution for subprogram
> > parameters? Is it left-to-right, right-to-left, and does it matter if
> > I use labels out of order?
>
> ARM 6.4 says,
>
> "For the execution of a subprogram call, the name or prefix of the call i=
s
> evaluated, and each parameter_association is evaluated (see 6.4.1). If a
> default_expression is used, an implicit parameter_association is assumed =
for
> this rule. These evaluations are done in an arbitrary order."
>
> > Animation.Joints.Append(
> > =A0 =A0(Name =A0 =3D> =A0Remove_Quotes(Next_String(File, Current_Line))=
,
> > =A0 =A0 Parent =3D> =A0Next_Integer_4_Signed(File, Current_Line),
> > =A0 =A0 Flags =A0=3D> =A0Next_Integer_1_Unsigned(File, Current_Line),
> > =A0 =A0 Start =A0=3D> =A0Next_Integer_4_Signed(File, Current_Line));
>
> However, what you have here is not evaluation of subprogram parameters bu=
t
> evaluation of aggregate components. The answer, from ARM 4.3, is the same=
:
>
> "For the evaluation of an aggregate, an anonymous object is created and v=
alues
> for the components or ancestor part are obtained (as described in the sub=
sequent
> subclause for each kind of the aggregate) and assigned into the correspon=
ding
> components or ancestor part of the anonymous object. Obtaining the values=
 and
> the assignments occur in an arbitrary order."
>
> --
> Jeff Carter
> "C++: The power, elegance and simplicity of a hand grenade."
> Ole-Hjalmar Kristensen
> 90

Great, thanks for the reply.

I'll make sure to better job searching the ARM before I post questions
like this next time.