[antlr-interest] Parser generation takes hours

[Jim Idle]

Perhaps you could send us your grammar too? You might find that you just need to comment out one or two rules until you get to reworking them.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Terence Parr
> Sent: Tuesday, January 05, 2010 9:22 AM
> To: Jean-Pierre LAMBERT
> Cc: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] Parser generation takes hours
> 
> very strange. antlr has a fail-safe so it cannot do that.  what
> command line options do you use?  command line or ANTLWorks?
> Ter
> On Jan 5, 2010, at 6:52 AM, Jean-Pierre LAMBERT wrote:
> 
> > Hello everybody,
> >
> > I'm currently rewriting a LR parser to be used for ANTLR. As a
> result,
> > ANTLR works literaly for hours before it outputs errors about my
> > grammar.
> >
> > My work is not finished; I have removed all left-recursions but I
> > still
> > have to do left-factorisations. The problem being that since ANTLR
> > works
> > for hours before I get the errors, it isn't very practical for me to
> > fix
> > the grammar.
> >
> > Do you have any suggestions in this case? What could be done so that
> > ANTLR would take only dozen of minutes? Is there something capital
> > that
> > I missed about ANTLR and LL grammars? How should be written ANTLR
> > rules
> > to avoid such a problem?
> >
> > Thanks in advance, any adice will be welcome.
> >
> > JP
> >
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