Subj : Re: Spidermonkey string.split
To   : Mike McIntosh <mike@jeezo.com>
From : Phil Schwartau <pschwartau@netscape.com>
Date : Thu Jan 23 2003 04:27 pm

Hi Mike,

This looks like a known bug, reported on Windows-only:

http://bugzilla.mozilla.org/show_bug.cgi?id=163323
"Mozilla and xpcshell crash on string.split(/\b\W+(\b|$)/g) [@ str_split]"

If you have an account at Bugzilla (easily obtained at 
http://bugzilla.mozilla.org/createaccount.cgi), you can cc yourself on this to follow progress on 
the problem -

Phil


Mike McIntosh wrote:
> Hi,
> 
> I seem to have a problem with regular expression _only_ in Win32 release
> mode. I have built the js32.dll via the Visual C++ IDE using js.mdp.
> 
> Sample script is :-
> =============
> 
> var strXT = "82.50US1.90XF";
> var arx = strXT.split(/(\d*\.?\d{2}?)/g);
> 
> ==================
> 
> In debug mode, arx contains 5 elements "", "82.50", "US", "1.90" and "XF".
> 
> When I run release mode version I get an exception in jsstr.c at line 1834
> (the js_NewStringCopy)
> 
> for (num = 0; num < cx->regExpStatics.parenCount; num++) {
>                     if (limited && len >= limit)
>                         break;
>                     parsub = REGEXP_PAREN_SUBSTRING(&cx->regExpStatics,
> num);
>                     sub = js_NewStringCopyN(cx, parsub->chars,
> parsub->length,
>                                             0);
>                     if (!sub)
>                         return JS_FALSE;
> 
> Looking at the cx->regExpStatics variable, it seems to contain
> parenCount=58259372 which seems strange. After executing the
> REGEXP_PAREN_SUBSTRING line.parsub seems to have value FFFFFFB8.
> 
> If I build the release version with optimisation off, I don't get the
> problem.
> 
> Can anyone else reproduce this or have I just got a screwed up build?.
> 
> Btw, I am on Visual C++ v6.0 with SP5 applied.
> 
> Regards,
> Mike
> 
>

.