On Wed, 7 Sep 2022 21:27:10 GMT, Stuart Marks <sma...@openjdk.org> wrote:
>> Naoto Sato has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Changed the paragraph to @implSpec
>
> src/java.base/share/classes/jdk/internal/util/regex/Grapheme.java line 47:
>
>> 45: */
>> 46: public static int nextBoundary(CharSequence src, int off, int limit)
>> {
>> 47: Objects.checkFromToIndex(0, limit - off, src.length());
>
> Is this right? The old code's use of `checkFromToIndex` method seems to be
> the right way to check that `off` and `limit` are a valid from-to range
> within `[0, src.length)`. The new code subtracts `off` from both args but the
> arithmetic seems to allow for some errors. For example, depending on the
> value of `limit`, this might permit `off` to be a small negative number.
Thanks for the catch! Yes, this was a leftover before I fixed a couple of JCK
failures which correctly fixed edge cases. Reverted the change.
> src/java.base/share/classes/sun/util/locale/provider/BreakIteratorProviderImpl.java
> line 135:
>
>> 133: public BreakIterator getCharacterInstance(Locale locale) {
>> 134: return new GraphemeBreakIterator();
>> 135: }
>
> It looks like there is some kind of table Since CHARACTER_INDEX is no longer
> used, does it mean there is now dead code for the CHARACTER break iterator
> class, and dead resources for CharacterData and CharacterDictionary? Should
> this be removed? Or maybe this is all in each locale or something and should
> be cleaned up later?
Right. Removed the now-dead code.
-------------
PR: https://git.openjdk.org/jdk/pull/9991
