Re: gen gc

[Miroslav Silovic]

Han-Wen wrote:

> address@hidden writes:
>  
>
> > Han-Wen <address@hidden> writes:
> >
> >    
> >
> > > How is this supposed to portable to GenGC? 
> > >
> > >   SCM_DEFINE (scm_object_address, "object-address", 1, 0, 0,
> > >            (SCM obj),
> > >             "Return an integer that for the lifetime of @var{obj} is uniquely\n"
> > >             "returned by this function for @var{obj}")
> > >
> > > This is used in some of the goops code -- should I retain it? 
> > >      
> > It would be cool if you could fake it.  It doesn't need to be the real
> > memory address of the object, just a unique integer.
> >    
>
> ?
>
> What if I can't?  Memory cells are going to move around. I don't see a
> way to generate a unique number without making some kind of table for
> objects subjected to object-address. 
>  
Actually it only says it should be unique, not never-changing. In 
particular,
all it needs for eq? to grok it is uniqueness. I guess just returning 
the address
ought to work, no?

   Miro