[antlr-interest] Can someone please explain
Bogdan Mitu
bogdan_mt at yahoo.com
Tue Jun 25 05:57:51 PDT 2002
--- Tom Moog <tmoog at polhode.com> wrote:
>
> Well, there's always pccts (aka antlr v1) for C++.
> It does full LL(k) when linear lookahead isn't sufficient.
Just out of curiosity:
What is the difficulty of using full LL(k)? Is it just the space required to
store lookahead sets (trees?)?
Thanks,
Bogdan
>
> On Mon, 24 Jun 2002, Terence Parr wrote:
>
> >
> > On Monday, June 24, 2002, at 12:09 AM, Silvain Piree wrote:
> >
> > > Monty,
> > >
> > >> The problem is with linear approximate lookahead, I think.
> > >
> > > Thank you for your explanation. I think I understand it now.
> > >
> > >> In fact it will work in this case, it just mistakenly gives a
> > >> warning.
> > >
> > > It would be nice if I could turn off the warning message
> > > (just like with ambiguity warning).
> > >
> > >> The future holds the promise of full LL and the possibility of
> > >> antlr automatically recognizing when an ambiguity is due to
> > >> LALL and dropping back to LL.
> > >
> > > Do you known if anyone is working on this?
> >
> > Yep, I'm actually rereading my dissertation to remember all the
> > problems ;) Boy, I was smart before I started building web pages ;)
> > Now I can't even spell "grammer" ;) I'm focusing on finding consulting
> > work at the moment so I'm not sure when such a thing will happen.
> >
> > Ter
> > --
> > Co-founder, http://www.jguru.com
> > Creator, ANTLR Parser Generator: http://www.antlr.org
> >
> >
> >
> >
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> >
> >
> >
>
>
>
>
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>
>
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