[m-rev.] for review: reducing the size of type ctor info structures, part 1

[Fergus Henderson]

On 31-Dec-2001, Zoltan Somogyi <zs at cs.mu.OZ.AU> wrote:
> On 31-Dec-2001, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> > > +#define	MR_type_ctor_rep(type_ctor_info)			\
> > > +		((MR_TypeCtorRep) ((const struct MR_NewTypeCtorInfo_Struct *) \
> > > +			(type_ctor_info))->MR_type_ctor_old_rep_CAST_ME)
> > 
> > Please use MR_CHECK_EXPR_TYPE to check the type of the argument.
> 
> I can't, because it is OK for the argument to have either of two types,
> MR_OldTypeCtorInfo_Struct and MR_NewTypeCtorInfo_Struct. In any case,
> all uses of the macro are currently type-safe, and once part 2 is installed,
> the macro will be deleted, its uses reverting to direct field references,
> only now referring to the repositioned field.

OK, that sounds like a good plan.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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