bug#5570: automatic cache validation

[Alan Mackenzie]

Hi, Jan,

On Fri, Mar 19, 2010 at 11:45:40PM +0100, Jan Djärv wrote:


> Alan Mackenzie skrev 2010-03-19 22.56:
> >Hi, Paul,

> >On Thu, Mar 18, 2010 at 10:05:11PM +0200, Paul Pogonyshev wrote:
> >>After March the 1st changes indentation in C++ and related modes is
> >>better, but it still breaks often enough --- to the tune of once every
> >>3--5 minutes or so.  Both when editing C++ and Java code.

> >How about plain C?  Is the breakage connected with templates/generics, as
> >far as you can see?

> FWIW, I see breakage in plain C also.

That's worth a great deal to know.  It suggests that the changes of
2010-02-04 aren't responsble for this bug.

> >What is the breakage like?  Is it a one-off failure which repairs itself
> >after a few more edits, or is it more like a creeping death?  Does
> >reinitializing the mode (M-x c++-mode) repair the indentation?  Does
> >saving the file and reloading it fix things?

> I now more or less automatically do M-x revert buffer when this happens.

When _what_ happens?  I take it, then, that revert-buffer fixes the bad
state, and you save the file first before reverting it.  Any chance you
could answer the above questions, together with the further one:

Does
    M-x (c-state-cache-init)
fix it?
    
These answers would be of the utmost help.  Thanks!

>       Jan D.

-- 
Alan Mackenzie (Nuremberg, Germany).