Re: [PATCH] -D, --define.

[Akim Demaille]

Le 7 nov. 08 à 23:06, Joel E. Denny a écrit :

> On Tue, 29 Jul 2008, Akim Demaille wrote:
>
> > +static
> > +location
> > +command_line_location()
> > +{
> > +  location res;
> > +  /* "<command line>" is used in GCC's messages about -D. */
> > +  boundary_set (&res.start, uniqstr_new ("<command line>"),  
> > optind, -1);
> > +  res.end = res.start;
> > +  return res;
> > +}
>
> In muscle_tab.c and bison.m4,  
> `[Bison:muscle_percent_define_default]' and
> `[Bison:b4_percent_define_default]' are some other pseudo file names.
> Unlike `<command line>', these should only be printed by Bison when
> there's a developer bug.  Nevertheless, we should be consistent about
> whether we use square or angle brackets.  I don't care which.

You are right.  I would then promote the <> notation, together with a  
human readable location.  The examples you mention look way too much  
like a bug in Bison (this is was I was told by co-workers who happened  
to have seen these locations) because they look like something that  
was not expanded.