[antlr-interest] Error in 2.7.2

[Matthew Ford]

Yes that worked thanks.
That bit of magic should go in the docs or the FAQ's

----- Original Message -----
From: "Terence Parr" <parrt at jguru.com>
To: <antlr-interest at yahoogroups.com>
Sent: Tuesday, June 03, 2003 9:01 AM
Subject: Re: [antlr-interest] Error in 2.7.2


> Hi.  I was thinking subrule not another rule (though the word seems to
> work for either case) ;)
>
> Try this:
>
> SCARF : ( WS | a:. ) {if (a!=null) {output.print(a);}} ;
>
> Ter
>
> On Monday, June 2, 2003, at 03:50  PM, Matthew Ford wrote:
>
> > Hi Ter,
> > Could you provide the actual fix please.
> >
> > I tried the following but got the same error (Note: WS does it own
> > printing)
> >
> > protected
> > SCARF
> >   :( WS // track line numbers while you scarf
> >  | a:ALL_THE_REST
> >  ) {if (a!=null) {output.print(a);}}
> >  ;
> >
> > protected
> > ALL_THE_REST
> >  : .
> >  ;
> >
> > ----- Original Message -----
> > From: "Terence Parr" <parrt at jguru.com>
> > To: <antlr-interest at yahoogroups.com>
> > Sent: Tuesday, June 03, 2003 2:52 AM
> > Subject: Re: [antlr-interest] Error in 2.7.2
> >
> >
> >>
> >> On Friday, May 30, 2003, at 06:06  PM, Matthew Ford wrote:
> >>
> >>> I downloaded 2.7.2 final.  There is an error in the ANTLR Parser
> >>>
> >>> I am getting the following error
> >>>     [antlr] ANTLR Parser Generator   Version 2.7.2   1989-2003
> >>> jGuru.com
> >>>     [antlr] C:\temp\antlrTest\links.g:107: warning:lexical
> >>> nondeterminism
> >>> between alts 1 and 2 of block upon
> >>>     [antlr] C:\temp\antlrTest\links.g:107:
> >>> k==1:'\t','\n','\u000c','\r',' '
> >>>     [antlr] C:\temp\antlrTest\links.g:107:     k==2:<end-of-token>
> >>>
> >>> with (full code below)
> >>>
> >>> protected
> >>> SCARF
> >>>  : WS // track line numbers while you scarf
> >>>  | . {}
> >>>  ;
> >>>
> >>> while
> >>> protected
> >>> SCARF
> >>>  : WS // track line numbers while you scarf
> >>>  | .
> >>>  ;
> >>>
> >>> gives no errors
> >>
> >> Ah.  Yes, i use "is wildcard alone in the alt" rather than a more
> >> intelligent but more difficult version that ignores actions.  Sorry
> >> about that. :(  You can just put into a subrule and then put action at
> >> the end.
> >>
> >> Ter
> >> --
> >> Co-founder, http://www.jguru.com
> >> Creator, ANTLR Parser Generator: http://www.antlr.org
> >> Co-founder, http://www.peerscope.com link sharing, pure-n-simple
> >> Lecturer in Comp. Sci., University of San Francisco
> >>
> >>
> >>
> >>
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> >>
> >>
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
> > http://docs.yahoo.com/info/terms/
> >
> >
> >
> --
> Co-founder, http://www.jguru.com
> Creator, ANTLR Parser Generator: http://www.antlr.org
> Co-founder, http://www.peerscope.com link sharing, pure-n-simple
> Lecturer in Comp. Sci., University of San Francisco
>
>
>
>
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>
>


 

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