Code Review for JEP 259: Stack-Walking API

[Mandy Chung]

Cross-posting to core-libs-dev.

Delta webrev incorporating feedback from Coleen and Brent and also a fix that Daniel made:
   http://cr.openjdk.java.net/~mchung/jdk9/jep259/webrev.03-delta/

Full webrev:
   http://cr.openjdk.java.net/~mchung/jdk9/jep259/webrev.03/

This also includes a couple of new tests Hamlin has contributed.

Mandy

> On Nov 19, 2015, at 1:38 PM, Coleen Phillimore <coleen.phillimore at oracle.com> wrote:
> 
> 
> Hi Mandy,
> Thank you for making these changes.  I think it looks really good!
> 
> On 11/19/15 4:09 PM, Mandy Chung wrote:
>> Hi Coleen,
>> 
>> Here is the revised webrev incorporating your suggestions and a couple other minor java side change:
>>    http://cr.openjdk.java.net/~mchung/jdk9/jep259/webrev.03-delta
>> 
>> I got some idea how to prepare Throwable to switch to StackWalker API to address the footprint/performance concern.  I agree with you that it would have to use mid/cpref in the short term for Throwable.  StackWalker::walk should use MemberName and should improve the footprint/performance issue in the long term.
>> 
>> Are you okay to follow that up with JDK-8141239 and Throwable continues to use the VM backtrace until JDK-8141239 is resolved?
> 
> Yes, and as we discussed, I'd like to help with this.
> 
> Thanks!
> Coleen