Re: emacs hangs in jit-lock

[Sam Steingold]

Chong Yidong wrote:
> Sam Steingold <address@hidden> writes:
>
> > "line-end-position" (0x29e02)
> > "back-to-indentation" (0x2e0)
> > "c-beginning-of-macro" (0x27bda8)
> > "byte-code" (0xa5c7eab)
> > "c-parse-state" (0x27bda8)
> > "c-font-lock-complex-decl-prepare" (0x27d0b8)
> > "font-lock-fontify-keywords-region" (0x27bda8)
> > "font-lock-default-fontify-region" (0x27bda8)
> > "font-lock-fontify-region" (0x27bda8)
> > "run-hook-with-args" (0x840af31)
> > "byte-code" (0x822f25b)
> > "jit-lock-fontify-now" (0x27bed8)
> > "jit-lock-stealth-fontify" (0x83178f9)
> >
> > the problem is that this unresponsiveness can last for MINUTES (I am not
> > making this up!) and the periods of responsiveness can last for mere
> > SECONDS.
> >
> > Even if it should, any input from me should immediately interrupt it -
> > and I see my C-g "delayed" for minutes.
>
> Since jit-lock-stealth fontify is run as an idle timer, any input
> *does* interrupt it.  The only way this could fail is if the
> c-font-lock functions interfere with this---either by somehow
> resetting the idleness state, or (more likely) taking a very long
> time.

whatever the reason, C-g does not interrupt this multi-minute process.

> If you provided a simple test case, I or someone else could take a
> look at this problem.

I don't think this problem has a "simple test case".
wget 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/lispbibl.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/stream.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/io.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/eval.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/pathname.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/sequence.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/array.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/foreign.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/spvw.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/charstrg.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/src/hashtabl.d 
http://clisp.cvs.sourceforge.net/*checkout*/clisp/clisp/emacs/d-mode.el

then load d-mode.el, associate d-mode with *.d, open all the *.d files 
and try to edit, say, lispbibl.d close to the end of file.

Thanks.
Sam.