[antlr-interest] Can subrules be set to 'n-to-m'?

Martin Probst mail at martin-probst.com
Fri Mar 25 13:30:18 PST 2005


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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