RE: Font-lock decides function call is function declaration in C+ +

[Marshall, Simon]

Hi, this bug remains[*] and a quick look at the C++ file I am editing shows that most of my methods have ended up with this sort of misfontification somewhere.  Note that misfontification does not occur during initial fontification, only after editing (though not in a way I can replicate).  I guess sometimes it thinks function calls are part of a declaration, though it doesn't necessarily happen when the preceding statement is a declaration.  In one occurrence in my C++ file, the misfontification has occurred immediately after a for loop.

Again, I'm asking for help.  I never got a response last time.  What do I need to look at to see what is going on?

[*] following my revision 1.18 date: 2006-11-15 16:31:03 fix in cc-fonts.el of another unrelated issue in CVS Emacs, Emacs CVS fontifies the below with font-lock-variable-name-face, rather than font-lock-function-name-face, which may/may not give a pointer to where the problem lies.

_____________________________________________
From:   Marshall, Simon 
Sent:   07 September 2006 17:41
To:     'address@hidden'
Cc:     'address@hidden'
Subject:        Font-lock decides function call is function declaration in C++

Intermittently, but for ages, Emacs CVS suddenly decides that C++ lines of code of the form:

        foo(bar);

Or:

        foo() = bar;

Are function declarations, and puts font-lock-function-name-face on (in these examples) "foo".  It seems to happen when I am editing the line in question, or maybe just on a line near it.  (I think the last time it appeared when I did M-^ on the line following, but I could be wrong.  There is nothing wrong with the code preceding the misfontification.) 

Editing the line or lines above it do not make the fontification permanently go away.  For example, if I comment out all preceding lines, the fontification is removed.  However, when I remove the comments, it comes back.  The only way I've found to get rid of it is to turn font-lock-mode off and on. 

It's driving me mad because I can't work out what, in terms of the code preceding it, is causing it to fontify in this way.  In one case, the function call was the first statement in the method, and I noticed that the text also had the "c-in-sws" property (as well as the "face" property).  Debugging through cc-engine.el doesn't look fun and I don't know if the presence of this property is a red herring.

I can't reproduce it, so I'm really asking for help.  Any ideas?  What can I do to work out what is going wrong?

Simon.

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