From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Matthew Heaney <matthew_heaney@acm.org>
Subject: Re: Adding Things to Package System
Date: 1999/02/20
Message-ID: <m3btipffxn.fsf@mheaney.ni.net>#1/1
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Sender: matt@mheaney.ni.net
References: <1999Feb18.192159.18832@nosc.mil>
 <7ai6f5$7hk$1@nnrp1.dejanews.com> <1999Feb20.003952.9906@nosc.mil>
NNTP-Posting-Date: Sat, 20 Feb 1999 03:52:06 PDT
Newsgroups: comp.lang.ada
Date: 1999-02-20T00:00:00+00:00
List-Id: <comp.lang.ada>

claveman@cod.nosc.mil (Charles H. Sampson) writes:

>      Package System in both the Green Hills and ObjectAda implementa-
> tions contain a declaration similar to
> 
>       function "+" (Left : Address, Right : Integer) return Address;
> 
> as well as the commutative variation.  Green Hills, which is my vendor, 
> didn't tell me why they chose to ignore the advice.  I have no idea why
> ObjectAda did either; they're a colleague's vendor and he doesn't have
> time to ask them right now.  (He's in typical alligator-fighting mode.)


We're using the VADS compiler, and they did something _really_ dumb:

   function "+" (L : Address; Right : Integer) return Address;

   function "+" (L : Address; Right : Long_Integer) return Address;

So the call

   Addr := Base_Addr + 16#5000#;

is ambiguous!  So you have to do this

   Addr := Base_Addr + Integer'(16#5000#);