[PATCH] basedefs: Add stringification of argument lists

[Gedare Bloom]

sorry, I saw it before and it looked reasonable/harmless to me.

On Sun, Feb 7, 2021 at 11:55 PM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> On 14/12/2020 09:44, Sebastian Huber wrote:
>
> > Change RTEMS_STRING() and RTEMS_XSTRING() to accept a variable number of
> > arguments which is stringified.  This can be used for example to create
> > register lists for inline assembler statements.
> > ---
> >   cpukit/include/rtems/score/basedefs.h | 16 ++++++++--------
> >   1 file changed, 8 insertions(+), 8 deletions(-)
> >
> > diff --git a/cpukit/include/rtems/score/basedefs.h
> b/cpukit/include/rtems/score/basedefs.h
> > index 0081dbfbe4..87a693e180 100644
> > --- a/cpukit/include/rtems/score/basedefs.h
> > +++ b/cpukit/include/rtems/score/basedefs.h
> > @@ -335,13 +335,13 @@ extern "C" {
> >   /**
> >    * @ingroup RTEMSAPIBaseDefs
> >    *
> > - * @brief Stringifies _x without expanding.
> > + * @brief Stringifies the arguments without expanding them.
> >    *
> > - * @param _x is the token to stringify.
> > + * @param ... are the arguments to stringify.
> >    *
> > - * @return Returns the stringification of the token _x.
> > + * @return Returns the stringification of the arguments.
> >    */
> > -#define RTEMS_STRING( _x ) #_x
> > +#define RTEMS_STRING( ... ) #__VA_ARGS__
> >
> >   /* Generated from spec:/rtems/basedefs/if/typeof-refx */
> >
> > @@ -898,13 +898,13 @@ extern "C" {
> >   /**
> >    * @ingroup RTEMSAPIBaseDefs
> >    *
> > - * @brief Stringifies the expansion of _x.
> > + * @brief Stringifies the expansion of the arguments.
> >    *
> > - * @param _x is the token expand and stringify.
> > + * @param ... are the arguments to expand and stringify.
> >    *
> > - * @return Returns the stringification of the expansion of token _x.
> > + * @return Returns the stringification of the expansion of the
> arguments.
> >    */
> > -#define RTEMS_XSTRING( _x ) RTEMS_STRING( _x )
> > +#define RTEMS_XSTRING( ... ) RTEMS_STRING( __VA_ARGS__ )
> >
> >   /* Generated from spec:/rtems/basedefs/if/define-global-symbol */
> Any objections to push this? It makes the macro a bit more flexible.
> Linux uses the same approach.
>
> --
> embedded brains GmbH
> Herr Sebastian HUBER
> Dornierstr. 4
> 82178 Puchheim
> Germany
> email: sebastian.huber at embedded-brains.de
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