Re: [Qemu-devel] [PATCH v2 2/6] qdict: Add convenience helpers for wrapped puts

["Richard W.M. Jones" <rjones@redhat.com>]

On Wed, Apr 05, 2017 at 10:21:13AM +0200, Julia Lawall wrote:
> 
> 
> On Wed, 5 Apr 2017, Richard W.M. Jones wrote:
> 
> > On Tue, Apr 04, 2017 at 05:41:08PM -0500, Eric Blake wrote:
> > > On 01/19/2017 08:38 AM, Eric Blake wrote:
> > > > On 01/19/2017 03:25 AM, Markus Armbruster wrote:
> > > >> Eric Blake <eblake@redhat.com> writes:
> > > >>
> > > >>> Quite a few users of qdict_put() were manually wrapping a
> > > >>> non-QObject. We can make such call-sites shorter, by providing
> > > >>> common macros to do the tedious work.  Also shorten nearby
> > > >>> qdict_put_obj(,,QOBJECT()) sequences.
> > > >>>
> > > >>> Signed-off-by: Eric Blake <eblake@redhat.com>
> > > >>> Reviewed-by: Alberto Garcia <berto@igalia.com>
> > > >>>
> > > >>> ---
> > > >>>
> > > >>> v2: rebase to current master
> > > >>>
> > > >>> I'm okay if you want me to break this patch into smaller pieces.
> > > >>
> > > >> I guess I'm okay with a single piece, but I'd like to know how you did
> > > >> the conversion.  Coccinelle?  Manually?
> > > >
> > > > Manual, via grepping for put_obj.*QOBJECT. I'll see if I can do the same
> > > > under Coccinelle (at which point, committing the script will make it
> > > > easier to rerun cleanups if later code reintroduces poor usage
> > > > patterns), so maybe I have a v3 coming up.
> > >
> > > I've got a Coccinelle patch (mostly) working now - but it has one
> > > shortfall - I found places in tests/check-qdict.c that coccinelle
> > > didn't, and traced it to the fact that our use of g_assert_cmpint(expr,
> > > ==, expr) throws off the coccinelle parser so badly that it silently
> > > ignores the entire function body containing the use of that macro.
> >
> > Julia ^ is this a known issue?
> 
> Yes, it's completely standard.  If there is a problem parsing a top-level
> code unit, then the whole top-level code unit is ignored.

Actually I meant about g_assert_cmpint, but this is also good to
know too.

Thanks, Rich.

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