OK, this looks great. Thanks for the updates.

There is also

    "in same order" -> "in the same order"

in the doc for the results() method, as Brian pointed out internally.

No need for another webrev.

s'marks

On 2/13/15 1:17 AM, Paul Sandoz wrote:

On Feb 13, 2015, at 1:20 AM, Stuart Marks <stuart.ma...@oracle.com> wrote:



On 2/12/15 3:15 AM, Paul Sandoz wrote:
   
http://cr.openjdk.java.net/~psandoz/jdk9/JDK-8071479--Matcher-stream-results/webrev/

OK, overall looks pretty good. Two minor comments on Matcher.java:

1202       if (expectedCount >= 0 && expectedCount != matchOrResetCount)
1203           return true;

This is a concurrent modification check, so other cases that test this 
condition will throw CME. Should this also throw CME or should it indeed return 
true?


The latter, so a CME is only thrown on data returning methods.

I have added a comment:

// Defer throwing ConcurrentModificationException to when
// next is called.  The is consistent with other fail-fast
// implementations.
if (expectedCount >= 0 && expectedCount != matchOrResetCount)
     return true;

Given that the iterator is never exposed directly it most likely does not 
matter, but i wanted to be consistent.


1224                 // Perform a first find if required
1225                 if (s < 1 && !find())
1226                     return;

If I understand this correctly, the state field can have values -1, 0, or 1; 
and 's' is a local variable that's initialized from the state field.

I was confused by this code because it ends up calling find() when s == 0, which means 
"not found" ... so why is find() being called again in this case?

However, the s == 0 case is dispensed with earlier, so it actually cannot occur 
here. I think it would be clearer, and have the same behavior, if the condition 
were changed to

    if (s < 0 && !find())


Ok.

Webrev updated in place:

http://cr.openjdk.java.net/~psandoz/jdk9/JDK-8071479--Matcher-stream-results/webrev/src/java.base/share/classes/java/util/regex/Matcher.java.sdiff.html

Thanks,
Paul.

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