[CEDET-devel] Re: conditionally disabling semantic

[<ry...@ds...>]

Klaus,

You are absolutely correct.
After I sent out my email, I had a feeling that I should
have done something more to figure this out on my own.

This hook should definitely be added to the manual.
Thanks.

>>>>> "KB" == Klaus Berndl <kla...@sd...> writes:
    KB> 
    KB> On Sun, 23 Feb 2003, ry...@ds... wrote:
    >> Hi all,
    >> 
    >> I use pcl-cvs (aka pcvs in emacs 21) daily.  I use the cvs-mode-idiff
    >> differencing command dozens if not hundreds of times each day.
    >> Hence the extra 3 or 4 second delay that semantic causes while it
    >> parses files cvs-mode-idiff loads for differencing purpose was too
    >> much for me especially since these files are used only for
    >> differencing and nothing else.
    >> 
    >> So I wrote the code below to conditionally suppress semantic on
    >> temporary files.  I tracked semantic-activate-mode-bindings down by
    >> starting with semantic-post-change-major-mode-function which was in
    >> find-file-hook list.
    >> 
    >> What do you think?  Is there a better way?  Should something like this
    >> be a part of semantic?
    KB> 
    KB> IMHO there is a better way, means an already builtin way ;-)
    KB> Take a look at `semantic-before-toplevel-bovination-hook'.
    KB> If i understand your problem and your solution right then the following should
    KB> be enough:
    KB> 
    KB> ,----
    KB> | (add-hook 'semantic-before-toplevel-bovination-hook
    KB> |           (lambda ()
    KB> |             (not (string-match "\\.\\(HEAD$\\|BASE\\)$" (buffer-name)))))
    KB> `----
    KB> 
    KB> Any hook-function returning nil prevents semantic from parsing.
    KB> 
    KB> At least this should do what your solution does...
    KB> 
    KB> Thoughts?
    KB> 
    KB> Klaus
    KB> 
    >> 
    >> 
    >> (defadvice semantic-activate-mode-bindings
    >> (around suppress-tmp-files activate compile)
    >> "Don't setup semantic for tmp files such as files CVS loads for the 
    >> purpose of differencing."
    >> (cond
    >> ;; Bypass files loaded by CVS for differencing.
    >> ;; This doesn't work on files retrieved with explicit version numbers.
    >> ((string-match "\\.\\(HEAD$\\|BASE\\)$" (buffer-name))
    >> ;; Hmm.  I thought the line below would not be needed at first,
    >> ;; because bypassing the body of semantic-activate-mode-bindings
    >> ;; would not setup semantic variables.  But this advice does not
    >> ;; work without the line below. -ryk2/23/03.
    >> (setq semantic-toplevel-bovine-table nil))
    >> (t ad-do-it)))
    >> 
    >> 
    >> 
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    KB> 
    KB> -- 
    KB> Klaus Berndl			mailto: kla...@sd...
    KB> sd&m AG				http://www.sdm.de
    KB> software design & management	
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