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From: john.mccabe@emrad.com.nospam (John McCabe)
Newsgroups: comp.lang.ada
Subject: Re: on package naming, should the word "_pkg" be part of it?
Date: Fri, 12 Oct 2001 08:35:44 GMT
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On Thu, 11 Oct 2001 21:03:49 +0000 (UTC), Preben Randhol
<randhol+abuse@pvv.org> wrote:

>On Thu, 11 Oct 2001 18:37:59 +0000 (GMT), M. A. Alves wrote:
>> The Object.Method syntax can be implemented with preprocessing (please
>> correct me if I am wrong on this).
>
>Wouldn't you lose some of the dispatching capabilities of Ada then?

No reason why you should because you would be writing your own
preprocessor :-)

All you'd do (using a rough example of my suggestion earlier) would be
to convert:

class XXX is
   procedure DoSomething;
   procedure AClassOperation is classwide;
end XXX;

class YYY extends XXX is
   procedure DoSomething;
   Item_1 : Integer;
   ClassItem : Integer is classwide; -- Use classwide, not static!!!
end YYY;

into:

package XXXs is
   type XXX is abstract tagged null record;
   procedure DoSomething (This : in XXX);
   procedure AClassOperation;
end XXXs;

package YYYs is
   type YYY is new XXX with
      record
         Item_1 : Integer;
      end record;
   ClassItem : Integer;
end YYYs;

You'd have to be concerned about context and use clauses though!