[Mesa-dev] [PATCH] glsl/list: Add a foreach_list_typed_safe_reverse macro

[Jason Ekstrand]

On Fri, Nov 7, 2014 at 8:57 PM, Connor Abbott <cwabbott0 at gmail.com> wrote:

> FWIW, Ian commented on my patch to add foreach_list_typed_reverse that
> we shouldn't merge it until it had users so people wouldn't try to
> remove it -- it seems like this has the same issue. So either merge
> both of them at the same time, or neither until NIR gets merged...
>

Fair enough.  This at least gets it on the list for review.


>
> Connor
>
>
> On Fri, Nov 7, 2014 at 9:32 PM, Jason Ekstrand <jason at jlekstrand.net>
> wrote:
> > ---
> >  src/glsl/list.h | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> >
> > diff --git a/src/glsl/list.h b/src/glsl/list.h
> > index 1d18ec9..1fb9178 100644
> > --- a/src/glsl/list.h
> > +++ b/src/glsl/list.h
> > @@ -673,4 +673,13 @@ inline void exec_node::insert_before(exec_list
> *before)
> >          __node = __next, __next =
>     \
> >             exec_node_data(__type, (__next)->__field.next, __field))
> >
> > +#define foreach_list_typed_safe_reverse(__type, __node, __field,
> __list)   \
> > +   for (__type * __node =
>     \
> > +           exec_node_data(__type, (__list)->tail_pred, __field),
>    \
> > +               * __prev =
>     \
> > +           exec_node_data(__type, (__node)->__field.prev, __field);
>     \
> > +        __prev != NULL;
>     \
> > +        __node = __prev, __prev =
>     \
> > +           exec_node_data(__type, (__prev)->__field.prev, __field))
> > +
> >  #endif /* LIST_CONTAINER_H */
> > --
> > 2.1.0
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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