Marcin Szamotulski wrote:
> On 06:28 Mon 29 Jul , Marcin Szamotulski wrote:
> > On 22:07 Sun 28 Jul , Bram Moolenaar wrote:
> > >
> > > Marcin Szamotulski wrote:
> > >
> > > > Vim crashes with the following pattern:
> > > >
> > > > \%(\%(\|\d\|-\|\.\)*\|\*\)
> > > >
> > > > And it does not crash with
> > > >
> > > > \%(\%(\d\|-\|\.\)*\|\*\)
> > > >
> > > > It is part of a pattern that matches package (the part matches the
> > > > version number) inside:
> > > >
> > > > sys-kernel/gentoo-sources-3.6.11
> > > >
> > > > I am not sure why I put "\(\|" inside the pattern, but vim (with -u
> > > > NONE) crashes when searching for that pattern in a file which contains
> > > > the above example.
> > >
> > > I can easily reproduce it, unfortunately.
> > >
> > > --
> > > How To Keep A Healthy Level Of Insanity:
> > > 17. When the money comes out the ATM, scream "I won!, I won! 3rd
> > > time this week!!!!!"
> > >
> > > /// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net
> > > \\\
> > > /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/
> > > \\\
> > > \\\ an exciting new programming language -- http://www.Zimbu.org
> > > ///
> > > \\\ help me help AIDS victims -- http://ICCF-Holland.org
> > > ///
> >
> > This is a simpler pattern that crashes vim:
> >
> > \%(\%(\|a\)*\)
> >
> > but
> >
> > \(\(\|a\)*\)
> >
> > works fine. Also
> >
> > \%(\(\|a\)*\)
> >
> > works fine but
> >
> > \(\%(\|a\)*\)
> >
> > crashes. So there is some problem with the inner \%(\) group.
> >
> > Best regards,
> > Marcin
>
> Today a user of my plugin reported that vim crashes and this is due to
> a similar problem. Now vim crashes with this pattern:
>
> {\%([^{}]*\|{\%([^{}]\)*}\)*}
>
> but changing only the outer \%(...\) to \(...\) fixes the problem. This
> pattern matches what is inside {...} but also will match { {....} },
> i.e when another {...} is embedded.
Patch 7.4b.002 changes these kind of things. I could also make it crash
with \%(\)*.
There was another problem that went unnoticed that only happened for
\(\) after the fix and there was only a test for \%(\). So hopefully
all similar cases are solved now.
--
hundred-and-one symptoms of being an internet addict:
36. You miss more than five meals a week downloading the latest games from
Apogee.
/// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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