RFR: JDK-8087328: Move debuglevel info in version string from PRE to OPT

[Magnus Ihse Bursie]

On 2015-06-25 15:25, Erik Joelsson wrote:
> Hello,
>
> Please review this change to the new build number implementation in 
> project Verona. This change is intended to go into the verona forest 
> for now until it's time for integration into jdk9.
>
> In Magnus' original version string implementation, the debuglevel 
> information is encoded into the PRE string. According to the latest 
> status of JEP-223, it should rather be a part of the OPT string. In 
> this patch, I have made that move.
>
> This means that the (relevant) configure options have changed from:
>
> --with-version-pre-base
> --with-version-pre-debuglevel
> --with-version-opt
>
> into:
>
> --with-version-pre
> --with-version-opt-base
> --with-version-opt-debuglevel
>
> I also had to introduce some way of telling the OPT_BASE string apart 
> from the OPT_DEBUGLEVEL string when parsing a full version string. In 
> the PRE string, the separator was a '.' but since that character is a 
> valid part of the OPT string, something else is needed. I went with 
> underscore '_' for now.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8087328
> Webrev: http://cr.openjdk.java.net/~erikj/8087328/webrev.01/

Looks good to me.

Note that this solution will require an update to the JEP-223 spec, to 
allow underscore (_) to be an allowed character in the OPT string. 
(Since, from the spec's point, both OPT_BASE and OPT_DEBUGLEVEL are 
arbitrary divisions of the formal OPT string.)

/Magnus