[antlr-interest] trace as an grammar and rule option
mzukowski at yci.com
mzukowski at yci.com
Wed Sep 18 07:42:05 PDT 2002
I've been thinking about rule-level trace too. Nearly always you will want
to know the whole context from which the rule has been called. Rarely is
the problem in a rule per se, it's more likely to be how the rules relate to
one another, so I'm not sure how useful it would be to have a rule-level
trace. Inspecting the code for a rule will probably give you all the
insight you need.
Monty
> -----Original Message-----
> From: Ric Klaren [mailto:klaren at cs.utwente.nl]
> Sent: Wednesday, September 18, 2002 1:59 AM
> To: antlr-interest at yahoogroups.com
> Subject: Re: [antlr-interest] trace as an grammar and rule option
>
>
> Hi,
>
> On Tue, Sep 17, 2002 at 09:08:29PM -0000, richardhensley99 wrote:
> > I was wondering if anybody has ever thought about a trace option at
> > the grammar and at the rule level?
>
> I'm not sure I completely understand the rule level trace. I
> kindoff got a
> hunch that you want to do something similar to parts of the parseView
> hooks (look at the code generated with -debug)
>
> Dunno, my first reaction is something like why not put a few
> println's in
> the rule to see what happens? Done in a few minutes, nothing
> fancy always
> works :) Of course it can very much be that I misunderstood
> what you want
> to do exactly....
>
> Cheers,
>
> Ric
> --
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> *+++++++++-------
> ---- Ric Klaren ----- klaren at cs.utwente.nl ----- +31 53
> 4893722 ----
> -----+++++****************************************************
> *+++++++++-------
> Why don't we just invite them to dinner and massacre them
> all when they're
> drunk? You heard the man. There's seven hundred thousand of
> them. Ah? ..
> So it'd have to be something simple with pasta, then.
> From: Interesting Times by Terry Pratchet
>
>
>
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