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Some context:

I'm doing some linux kernel development on a Debian VM so naturally I'm using tramp. I want to use semantic-symref, but the trouble is that:

  1. Semantic will eventually call cedet-gnu-global-call
  2. Which will use the value of cedet-global-command
  3. Which will crap out because it uses 'call-process.

So from what I understand, I need it to be using tramp-call-process.

My question is, can I monkey patch a function, namely cedet-gnu-global-call? I have seen stuff like defadvice, is this a use case for my problem?

By monkey patching, I mean that I want to replace cedet-gnu-global-call with mine, but at runtime.

Or is there some way to get cedet-global to be smart when used over tramp?

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  • Actually, rather than tramp-call-process, it should probably call process-file (which does delegate to Tramp, depending on default-directory).
    – Stefan
    Commented Nov 7, 2014 at 22:05

1 Answer 1

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In Emacs ≥24.4, you could try something like

(defun my-call-process-hack (orig program &rest args)
  (apply (if (equal program cedet-global-command) #'process-file orig)
         program args))
(advice-add 'call-process :around #'my-call-process-hack)
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  • Amazing! This worked. Now I just have a problem of semantic-symref giving me an empty buffer for results, even for kmalloc.., but at least this problem is solved.
    – c-o-d
    Commented Nov 8, 2014 at 1:52
  • Alternative to semantic-symref, you could use ggtags-find-references from ggtags. I wrote a guide for using it here. If you want semantic-symref to be functional, you have to setup include paths with EDE.
    – Tu Do
    Commented Nov 12, 2014 at 5:20
  • 1
    @TuDo I will check out ggtags-find-references. I basically avoid EDE and got semantic working on mostly everything by manually setting up the semantic-dependency-* functions. Also, your posts are absolutely incredible! Thank you so much for them. EDIT: ggtags-find-references works! Excellent!
    – c-o-d
    Commented Nov 12, 2014 at 15:45

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