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=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,fd63afa4dc364b7e
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2001-03-22 05:06:09 PST
From: chris.m.moore@gecm.com (Chris M. Moore)
Newsgroups: comp.lang.ada
Subject: Re: Implementing C/C++ style #include...
Date: Thu, 22 Mar 2001 12:50:21 GMT
Organization: GEC Marconi (CIS Farlington)
Message-ID: <3ab9f314.13778993@news.geccs.gecm.com>
References: <98m938$2iod0$1@ID-25716.news.dfncis.de>
 <OrZxgIisAHA.289@cpmsnbbsa09>
X-Newsreader: Forte Free Agent 1.11/32.235
NNTP-Posting-Host: farwkn6823.frlngtn.gecm.com
X-Trace: 22 Mar 2001 12:44:50 GMT, farwkn6823.frlngtn.gecm.com
Path: 
 supernews.google.com!sn-xit-03!supernews.com!news-feed.riddles.org.uk!freenix!skynet.be!newsfeeds.belnet.be!news.belnet.be!btnet-peer1!btnet-feed5!btnet!newreader.ukcore.bt.net!pull.gecm.com!farwkn6823.frlngtn.gecm.com
Xref: supernews.google.com comp.lang.ada:5990
Date: 2001-03-22T12:50:21+00:00
List-Id: <comp.lang.ada>

On Wed, 21 Mar 2001 09:15:14 -0700, "bhazzard"
<bhazzard@email.msn.com> wrote:

>A quick question...
>
>Is there any way to implement c/c++ style
>#ifdef pre-processor statements in Ada.
>
>Do Ada compilers have a pre-processor ?
>
>I am using Rational on an Sgi and Green Hills on a Sun... the manual set(s)
>appear to have no reference to such things... This is what I want to do...
>...
>#ifdef TEST_MODE
>#include "test_mode.a
>#endif
>...
>a.make -D TEST_MODE -f *.a

package Debug is

  type Debug_Mode is (off, minimal, verbose);

  Mode : constant Debug_Mode := Verbose;  

end Debug;

...

with Debug; use Debug;
...
if Debug.Mode > Minimal then
  test_mode.test_code;
end if;

The compiler should optimise out the debug code when Mode = Off.  And
it's portable.

--
Chris M. Moore
Software engineer
speaking for myself