[antlr-interest] OutOfMemoryException when parsing incorrect input

[Rob Harrop]

Thanks Clinton! That works a treat.

Rob

----- Original Message -----
From: "Clinton Roy" <clinton.roy at gmail.com>
To: "ANTLR List" <antlr-interest at antlr.org>
Sent: Wednesday, November 28, 2007 8:55:09 PM (GMT) Europe/London
Subject: Re: [antlr-interest] OutOfMemoryException when parsing incorrect input

Hi Rob,

On Nov 29, 2007 3:55 AM, Rob Harrop <rob.harrop at springsource.com> wrote:

> IDENTIFIER
>  : IDENTIFIER_PART ('.' IDENTIFIER_PART) *
>
> fragment
> IDENTIFIER_PART
>  : (ALPHA | DIGIT | '_' | '$' | '-') *

Don't let your token rules allow empty matches, if I replace these
zero-to-many matches with one-to-many matches (+) things seem a little
more happy.

More of a rule of thumb than a specific solution to your problem, hope
that helps,
-- 
Clinton Roy
CSIRO - Robotics Platform Engineer
Autonomous Systems Lab

humbug.org.au  - Brisbane Unix Group
azure.humbug.org.au/~croy/blog - Blog
flickr.com/photos/croy/ - Photos


-- 
Rob Harrop
Interface21 Limited

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