Hi Bram!
On Mi, 13 Feb 2013, Bram Moolenaar wrote:
>
> Christian Brabandt wrote:
>
> > On Mi, 13 Feb 2013, Bram Moolenaar wrote:
> >
> > > Still have a long pending job of making the fast RE code work properly
> > > and test it...
> >
> > Can't we just have an 'experimental' setting, that enables experimental
> > features, e.g. the new fast RE? This would get this feature a lot more
> > testing and we could check, whether it suffers the same bug (otherwise
> > we never know, when this feature has enough testing to be ready to be
> > included).
> >
> > (Also, patches to the regular expression engine like the last patch
> > /[^\n] that shouldn't match linebreaks possibly also need to be applied
> > to the new RE engine).
>
> The idea was to have a "whitelist" for the pattern. If it passes that
> then use the new RE code, otherwise fall back to the old stuff.
> Gradually the whitelist would get longer.
>
> Main thing still to do is testing. We can't really expect users to just
> run in bugs all the time. It's complicated stuff. Don't want the same
> long time bug fighting as we had with the conceal mode.
> For testing we would have a way to force the old or new RE engine,
> and compare the results.
Ok. But my idea is to have it included and only use it, if users
explicitly set the 'experimental' option. So by default users would
still use the old, working RE, but users that like to test and
contribute can enable the new RE engine so that the new RE engine can be
tested more easily.
regards,
Christian
--
Der Mensch wird ohne Grundsätze, aber mit der Fähigkeit geboren, sie
alle in sich aufzunehmen.
-- François Marie Voltaire
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