RE: [ECB-list] Re: [CEDET-devel] ECB/CEDET question

[Oviedo, J. <j-o...@ti...>]

Thanks, David. I will try this stuff out sometime this week. I
appreciate the feedback. Take care.=20


 -------------
 Javier
=20


-----Original Message-----
From: ced...@li...
[mailto:ced...@li...] On Behalf Of Ishee,
David M
Sent: Monday, October 25, 2004 10:10 AM
To: ecb...@li...; ced...@li...
Subject: RE: [ECB-list] Re: [CEDET-devel] ECB/CEDET question

I've had similar problems on a large Java file. The thing that seems to
work best was suggested by Eric Ludlam. I saw Emacs freeze for a time
with the message "Updating Tag Table".=20

I'm using method 2 at the moment and it works pretty well. I opened my
large file to find out an appropriate point value to use instead of
50000. I put this hook in my ~/.xemacs/init.el startup file.

Eric's suggestions:

You can probably add a hook to `semantic--before-fetch-tags-hook'
  to solve this problem.

  In your hook function, you could decide if you really want the file
  parsed or not, then return nil or t.

  for example

(add-hook 'semantic--before-fetch-tags-hook
    (lambda ()
      (if (> (point-max) 50000)
          nil
        t)))

  for just a brute form.  You could get more elegant by asking if the
  tag cache is non-nil, so it parses at user requested flush time
  like this:

(add-hook 'semantic--before-fetch-tags-hook
    (lambda ()
      (if (and (> (point-max) 50000)
      	       (not (semantic-parse-tree-needs-rebuild-p)))
          nil
        t)))

  If you settle on something you like, I can add it to semantic as an
option.

Eric



David=20


-----Original Message-----
From: ecb...@li...
[mailto:ecb...@li...] On Behalf Of
eric-at-siege-engine.com |ECB mailing list|
Sent: Friday, October 22, 2004 1:50 PM
To: Ishee, David M
Cc: kla...@sd...; ecb...@li...;
ced...@li...
Subject: [ECB-list] Re: [CEDET-devel] ECB/CEDET question


On Fri, 22 Oct 2004 10:28:06 -0500, "Oviedo, Javier" wrote:
> Hello all. I'm not sure exactly which group to post this to, so I=20
> thought I'd let you all decide.
>=20
> I'm using the latest ECB/CEDET with emacs 21.3.
>=20
> I have this INCREDIBLY, RIDICULOUSLY HUGE header file that I must=20
> often open in emacs. It is the main API for our entire software=20
> architecture. This thing is so BIG that it makes it impossible to use=20
> EBC/CEDET because emacs gets really, REALLY slow. Presumably, semantic

> is parsing and/or doing some processing when I move the cursor around.
>=20
> The way I see it, there are two options in getting around this
> problem:
>=20
> 1. deactivate ecb, which in turn turns off semantic.
> 2. leave ecb activated, but somehow tell semantic not to parse (or do=20
> whatever it does) this file when it is opened and visited in emacs.
>=20
> Out of these two choices, I would prefer number two because I find it=20
> very annoying to deactivate then reactivate ecb every time I visit and

> leave the file.
>=20
> How can I accomplish the second choice? Hopefully I did not missing=20
> anything to terribly obvious in the documentation.
>=20
> Is there another solution to my problem? Please feel free to chime in.
>=20
> Thanks a lot guys!

Check out the help for semantic--before-fetch-tags-hook.
It should be possible to write a hook that detects your mondo-header and
returns nil.

It should also be possible to allow this header to be parsed once,
saved, then used via the semanticdb calls for all future use, and
disabled for small updates.

Eric


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