Re: [PATCH for-6.2 07/10] docs: qom: Fix OBJECT_DECLARE_SIMPLE_TYPE documentation

[Peter Maydell <peter.maydell@linaro.org>]

On Thu, 29 Jul 2021 at 19:03, Eduardo Habkost <ehabkost@redhat.com> wrote:
>
> The OBJECT_DECLARE_SIMPLE_TYPE documentation was inaccurate: it
> doesn't define a class struct or class type checking helpers.
>
> OBJECT_DECLARE_TYPE expansion looks very similar to the existing
> example, though.  Rewrite that section to show both both
> OBJECT_DECLARE_SIMPLE_TYPE and OBJECT_DECLARE_TYPE.
>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> ---
>  docs/devel/qom.rst | 31 +++++++++++++++++++++----------
>  1 file changed, 21 insertions(+), 10 deletions(-)
>
> diff --git a/docs/devel/qom.rst b/docs/devel/qom.rst
> index dee60a64c0a..aa1f672efbe 100644
> --- a/docs/devel/qom.rst
> +++ b/docs/devel/qom.rst
> @@ -301,6 +301,27 @@ This is equivalent to the following:
>  .. code-block:: c
>     :caption: Expansion from declaring a simple type
>
> +   typedef struct MyDevice MyDevice;
> +   G_DEFINE_AUTOPTR_CLEANUP_FUNC(MyDevice, object_unref)
> +   #define MY_DEVICE(void *obj)
> +           OBJECT_CHECK(MyDevice, obj, TYPE_MY_DEVICE)
>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

though I note that the macro doesn't actually create a
MY_DEVICE #define any more -- you get a function named MY_DEVICE().
I guess "equivalent to" covers that.

thanks
-- PMM