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From: Angela Zhu <angela.zhu@cs.rice.edu>
To: Peter Ilberg <peter.ilberg@gmail.com>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Problem with precedence declaration in .mly file
Date: Wed, 31 Oct 2007 08:51:01 -0500	[thread overview]
Message-ID: <21DAF2E3-1E29-476D-BEB3-FD608EBD92A2@cs.rice.edu> (raw)
In-Reply-To: <Pine.BSO.4.64.0710310643190.6741@dalek.dy.natinst.com>


On Oct 31, 2007, at 6:52 AM, Peter Ilberg wrote:

>
> I have no experience with ocamlyacc, but looking at your grammar  
> below, it seems that you don't need the 'value PLUS exp' etc rules.  
> All these cases should be covered already by the 'exp PLUS exp'  
> rules at the beginning and the 'value' rule at the end.
>
> Try removing the 'value PLUS exp' rules. Maybe ocamlyacc gets  
> confused if it has two sets of productions that it has to  
> disambiguate with precedence rules.

I removed 'value PLUS exp' rules.
The precedence is still not correct, what is more, 1+ t (with t  
declared) gives a syntax error.

Thanks,
Angela



>
> --- Peter


  reply	other threads:[~2007-10-31 13:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-30 14:00 Angela Zhu
2007-10-30 14:20 ` [Caml-list] " Oliver Bandel
     [not found] ` <1193753915.47273d3bb15f2@webmail.in-berlin.de>
2007-10-31  4:11   ` Angela Zhu
2007-10-31  4:26   ` Angela Zhu
2007-10-31  5:52     ` skaller
     [not found]       ` <BE3BA36D-7E69-426F-B558-26CBCF9D78F6@cs.rice.edu>
     [not found]         ` <1193814307.8355.68.camel@rosella.wigram>
2007-10-31  7:16           ` Re: " Angela Zhu
2007-10-31 11:52     ` Peter Ilberg
2007-10-31 13:51       ` Angela Zhu [this message]
2007-10-31 14:14         ` Thomas Gazagnaire
2007-10-31 14:40           ` Angela Zhu
     [not found]             ` <472894EC.8040902@irisa.fr>
     [not found]               ` <F5672A31-E4C0-488B-B594-F75E3DA262D8@cs.rice.edu>
     [not found]                 ` <47289C47.8020609@irisa.fr>
2007-10-31 15:34                   ` Angela Zhu

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