Tassilo von Parseval wrote:
> > for perl >= 5.9.1 :
> >
> > #define dUNDERBAR I32 padoff_du = pad_findmy("$_")
> > #define UNDERBAR ((padoff_du == NOT_IN_PAD \
> > || PAD_COMPNAME_FLAGS(padoff_du) & SVpad_OUR) \
> > ? DEFSV : PAD_SVl(padoff_du))
> >
> > For older perls :
> >
> > #define dUNDERBAR /**/
> > #define UNDERBAR DEFSV
>
> Looks convenient. You are the lexical underbar guru, so I also trust you
> that it's correct. If it isn't yet in blead, it should go there (and
> also into Devel::PPPort).
I have now added the macros in bleadperl as change #22819.
> > Defining a dUNDERBAR macro has the advantage that the pad_findmy lookup
> > is done only once. In a XSUB lexical scoping isn't likely to change.
>
> And even if it happens, this can be handled easily.
>
> dUNDERBAR;
> ...
> {
> ENTER;
> dUNDERBAR;
> ...
> LEAVE;
> }
>
> Btw, we can't rename dUNDERBAR to wUNDERBAR (as a little candy for the
> German XS writers), can we? ;-)
Mind you, my german-speaking skills are very poor, but I can't help
thinking about this word every time I hear the idiom "underbar".
