[antlr-interest] Can subrules be set to 'n-to-m'?
Jamie Ferguson
jferguson at aptas.com
Fri Mar 25 14:17:26 PST 2005
Presumably you'd get 'exactly n times' from (...)[n,n] or (...)+[n,n].
On Fri, 2005-03-25 at 22:30 +0100, Martin Probst wrote:
> Am Freitag, den 25.03.2005, 09:13 -0800 schrieb John D. Mitchell:
>
> > > (...)[n,m]
> >
> > Yes, I agree that it use the square brackets (ala math notation):
> >
> > (...)+[n,m]
> >
> > with the ,m part optional.
>
> Uh, better make only the "m" optional, e.g.
> > (...)+[n,]
> Otherwise it might be mistaken as "exactly n times". Maybe this should
> indeed be the case for (...)+[n]. Also (...)[1,] looks at least
> understandable for me - maybe as an alias for (...)+.
>
> Regards,
> Martin
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