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Remove hook from a mode setting completion at point functions? (beehaw.org)

submitted 1 year ago by zauberin@beehaw.org to c/emacs@lemmy.ml

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I’m trying to set up completion-at-point-functions in pascal-mode, I found that adding a hook with use-package works and leaves the global setting:

:hook (pascal-mode . (remove-hook ‘completion-at-point-functions ‘pascal-completions-at-point t))

However that causes a File mode specification error: (error Lisp nesting exceeds ‘max-lisp-eval-depth’) when I open a pascal file. Any ideas on how I could do it better?

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[–] oantolin@discuss.online 1 points 1 year ago

I looked at the macro expansion of the form you wrote and it looks like gibberish, so I don't think the :hook keyword allows expressions to be used as hooks, you need to define a function and use the function name:

(use-package pascal ; presumably
  :init
  (defun remove-pascal-completions ()
    (remove-hook 'completion-at-point-functions
                 'pascal-completions-at-point t))
  :hook (pascal-mode . remove-pascal-completions))

Also, the weird single quote character you used probably doesn't work in Emacs (but maybe you have normal single quotes in your file and it's just lemmy's markdown messing things up).