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Re: c-mode imenu: Stack overflow in regexp matcher
From: |
Glenn Morris |
Subject: |
Re: c-mode imenu: Stack overflow in regexp matcher |
Date: |
Tue, 06 Feb 2007 19:13:08 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Stefan Monnier wrote:
> Please try and play with the text being matched to try and see which
> part of the regexp is causing an overflow. Most likely the problem
> is that something is matching a much longer text than expected (e.g.
> tens/hundreds of nonempty lines rather than 1 or 2).
>
> Maybe it's the beginning: "^\\<[^()]*" since the \< only implies
> that the first char will be a word-constituent, and the [^()]* can
> then match any number of chars as long as there's no intervening
> parenthesis, which seems quite possible in a long comment.
This will do it:
(goto-char (point-max))
(re-search-backward "^\\<[^()]*[^[:alnum:]_:<>~]")
It matches the whole of etc/splash.xpm from "static char..." right
through to the end, some 60000 odd characters later.
- c-mode imenu: Stack overflow in regexp matcher, Glenn Morris, 2007/02/02
- Re: c-mode imenu: Stack overflow in regexp matcher, Chong Yidong, 2007/02/02
- Re: c-mode imenu: Stack overflow in regexp matcher, Glenn Morris, 2007/02/02
- Re: c-mode imenu: Stack overflow in regexp matcher, Glenn Morris, 2007/02/02
- Re: c-mode imenu: Stack overflow in regexp matcher, Stefan Monnier, 2007/02/04
- Re: c-mode imenu: Stack overflow in regexp matcher,
Glenn Morris <=
- Re: c-mode imenu: Stack overflow in regexp matcher, Stefan Monnier, 2007/02/07
- Re: c-mode imenu: Stack overflow in regexp matcher, Kim F. Storm, 2007/02/07
- Re: c-mode imenu: Stack overflow in regexp matcher, Stefan Monnier, 2007/02/07
- Re: c-mode imenu: Stack overflow in regexp matcher, Glenn Morris, 2007/02/19
- Re: c-mode imenu: Stack overflow in regexp matcher, Nick Roberts, 2007/02/19