On Jun 11, 2011, at 11:49, Jochen Wiedmann <jochen.wiedm...@gmail.com> wrote:

> Hi,
>
> I have looked into the old OgnlParser sources. My intention was to
> detect the changes that have been made manually. If that would be
> possible, I'd basically reapply those changes to ognl.jjt, or ognl.jj
> and then would switch to a dynamically generated parser.
>
> Unfortunately, it is almost impossible for me to detect such changes.
> For example, in the commit from 2008-01-25 22:17:10, I really cannot
> distinguish between changes that are due to the parser upgrade and
> other changes.
>
> As a consequence, all I can offer is to change the build in a way that
> the parser is now generated dynamically up to a point where the test
> suite runs fine. However, that is obviously not a guarantee for
> compatibilty. I can also offer further maintenance, if
> incompatibilties are detected and if they can be fixed by changes in
> the parser.
>
> If we'd do that, I'd also like to move the parser and it's
> accompanying files (almost everything in o.a.ognl) to a separate
> package. IMO, we should clearly separate between public API and
> implementation. Fortunately, the change of package and Maven id's is a
> good opportunity for that.
>
> WDYT?

Sounds good. Something like a parser should be generated from the
grammar at build time. The trick is to still make the generate source
available in source zip.

Maybe a package name with impl or gen or internal would make it
obvious not to muck with these sources.

Gary
>
> Jochen
>
> --
> Capitalism is the astounding belief that the most wickedest of men
> will do the most wickedest of things for the greatest good of
> everyone.
>
> John Maynard Keynes (http://en.wikiquote.org/wiki/Keynes)
>
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