Re: Weird controlled behavior - Gnat 3.15p NT

["Patrice Freydiere" <frett27@free.fr>]

On Thu, 04 Sep 2003 08:25:41 +0000, Jano wrote:

> Hello,
> 
> see the following type declarations and lines of code:
> 
>    type Object is abstract new 
>       Finalization.Controlled with null record;
>    type Object_access is access all Object'Class;
> 
>    procedure Initialize (This : in out Object) is
>    begin
>       Trace.Log ("====>");      
>    end Initialize;
> 
>    procedure Finalize   (This : in out Object) is
>    begin
>       Trace.Log ("<====");
>    end Finalize;
> 
>    declare
>       -- THIS LINE IS THE RELEVANT ONE.
>       Thing : Object_access := 
>          new Object'Class'(Object'Class'Input (Stream));
>    begin
>       null;
>    end;
> 
> Ok, running normally or stepping with GVD when the line with the
> stream reading is executed I get the following log:
> 
> ====>
> <====
> <====
> <====
> 
> Compiled with -O2 and without it if that means something. Consistently
> with each object in the stream.
> 
> Now, I would assume that no Finalization could happen without a
> corresponding Initialization, so is this normal? Is something wrong in
> that read way?
> 
> Regards,
> 
> A. Mosteo.


is it related to assign ?? 
can you log assign call , for the controlled type ?? 

Patrice