Re: circular unit dependency

[Stephen Leake <stephen_leake@acm.org>]

"R" <ruthless@poczta.onet.pl> writes:

> In main package I have:
> 
> with base;
> with base.derv1;
> with base.derv2;
> 
> derv1 has tagged record rec1 and derv2 has its rec2
> 
> the derv1 and derv2 packages have overritten operator "+"
> which spec look like this:
> 
> function "+"(left: rec1; right: base.derv2.rec2) return rec1;
> 
> well - I need info about other record because it's the parameter of
> both function"+"

Yes.

> any idea? 

You need to move the "+" to a place where both base.derv1.rec1 and
base.derv2.rec2 are visible.

That could be another package base.derv3.

Or a child of one of the packages.

Or you may be able to move the declarations of rec1 and rec2 to
base.ads.

This will be fixed in Ada 2005, via a "limited with" clause. See
http://www.ada-auth.org/cgi-bin/cvsweb.cgi/AIs/AI-50217.TXT?rev=1.19 

-- 
-- Stephe