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From: Bob Rossi <bob@brasko.net>
To: Michael Chastain <mec.gnu@mindspring.com>
Cc: gdb@sources.redhat.com, drow@false.org
Subject: Re: GDB/MI Output Syntax ambiguity
Date: Mon, 23 Aug 2004 22:23:00 -0000	[thread overview]
Message-ID: <20040823222349.GA15932@white> (raw)
In-Reply-To: <412A64E9.nailD781GRTXW@mindspring.com>

On Mon, Aug 23, 2004 at 05:43:05PM -0400, Michael Chastain wrote:
> It's been a while since I wrote a yacc grammar, but my inclination
> would be to enhance the lexer and distinguish some new terminals:
> 
>   TOKEN-UPARROW
>   TOKEN-STAR
>   TOKEN-PLUS
>   TOKEN-EQUALS
> 
> Then the grammar goes from LALR(2) to LALR(1), because
> result-record can start with TOKEN-UPARROW, which is just
> one symbol, rather than token "^", which is two symbols.
> That ought to make it yacc-parseable.

Yes, this could work. However, was the original grammer meant to be
LALR(2)?

I am going to try to do some Left Factoring to fix the problem but I
don't think it will work. Plus, I don't have to much experience with
this.

Thanks,
Bob Rossi


  reply	other threads:[~2004-08-23 22:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-23 21:03 Bob Rossi
2004-08-23 21:09 ` Daniel Jacobowitz
2004-08-23 21:12   ` Bob Rossi
2004-08-23 21:37   ` Bob Rossi
2004-08-23 21:42   ` Michael Chastain
2004-08-23 22:23     ` Bob Rossi [this message]
2004-08-24  3:56 ` Michael Chastain
2004-08-24 12:36   ` Bob Rossi
2004-08-24 17:15 Xinan Tang

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