JDK 9 RFR(m): 8150488: Scanner.findAll() can return infinite stream if regex matches zero chars

[Xueming Shen]

+1

On 4/27/17, 3:34 PM, Stuart Marks wrote:
> Hi all,
>
> Please review this fix [1] for JDK-8150488 [2] to prevent 
> Scanner.findAll() from returning an infinite stream of zero-length 
> matches in certain cases.
>
> This was previously an issue that simply documented this limitation. 
> In the review for that issue [3], Timo K convinced me that this 
> behavior is actually a bug, and Sherman convinced me that it's worth 
> fixing in 9 since findAll() is a newly introduced API. Also, thanks to 
> Sherman for providing an initial implementation.
>
> Thanks,
>
> s'marks
>
> [1] Webrev: http://cr.openjdk.java.net/~smarks/reviews/8150488/webrev.0/
>
> [2] Bug: https://bugs.openjdk.java.net/browse/JDK-8150488
>
> [3] Previous review threads:
>
>     
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2017-March/046995.html
>     
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2017-April/047055.html