desktop-packages team mailing list archive

[Landry-openbsd <908508@xxxxxxxxxxxxxxxxxx>]

(In reply to Chris Leary [:cdleary] from comment #19)
> (In reply to Landry Breuil from comment #18)
> > Another annoyance was the landing of bug #673188, which right now #errors
> > out if ENABLE_YARR_JIT is unset (see RegExpObject.cpp, function
> > checkSyntax()), pretty unfriendly. So far i've replaced it by a return true,
> > but it's of course ugly.
> 
> It's required for lazy regular expression compilation -- you have to detect
> errors in the syntax immediately for error reporting purposes. Continuing to
> use the YARR parser to report errors when you're using the PCRE backend
> could result in a mismatch where the PCRE parser believes there to be an
> error in the pattern that YARR did not detect, which would result in
> incorrect semantics (because you have no way of reporting the error when
> you're doing the lazy compilation).
> 
> Sorry, I should have put a comment in if I didn't!

The patch we're working on aims to replace PCRE interpreter by YARR
interpreter.. if i get it right, we wouldn't use the PCRE parser
anymore, so there would be no mismatch ? Of course, i don't see how to
do syntax checking with YARR interpreter without YARR JIT, as
JSC::Yarr::checkSyntax() isn't defined when !ENABLE_YARR_JIT. Help
appreciated...

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https://bugs.launchpad.net/bugs/908508

Title:
  Firefox/Thunderbird 10 FTBFS on powerpc in js/src/yarr/pcre

Status in The Mozilla Firefox Browser:
  In Progress
Status in “firefox” package in Ubuntu:
  Fix Released
Status in “thunderbird” package in Ubuntu:
  Fix Released

Bug description:
  Debian has the fix, so I'll add it to the branch and it should work
  with the next upload.

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