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bug#14436: 24.3.50; cscope + compilation-mode


From: Jambunathan K
Subject: bug#14436: 24.3.50; cscope + compilation-mode
Date: Sat, 25 May 2013 22:18:05 +0530
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Jambunathan K <address@hidden> writes:

> Being a C programmer, I always missed not having support for cscope "out
> of the box" in my vanilla Emacs.  It is unfortunate that xcscope.el is
> not part of Emacs proper.

Above statement is no longer true, now that cedet-cscope.el is part of
Emacs.  Here is a small recipe to search for C symbols outside of cedet
framework.

(require 'cedet-cscope)
(defun cscope-find-c-symbol (&optional tag)
  (interactive
   (list (let ((tag (find-tag-default)))
           (read-string (format "Search for (default \"%s\"): " (or tag ""))
                        nil nil tag))))
  
  ;; If "*CEDET CScope*" is put in `compilation-mode', `erase-buffer'
  ;; (called from within `cedet-cscope-search') may complain.  Just
  ;; kill the results buffer before initiating a new search.
  (let  ((cscope-buffer "*CEDET CScope*"))
    (when (get-buffer cscope-buffer)
      (kill-buffer cscope-buffer)))
  
  (with-current-buffer (cedet-cscope-search tag 'tagregexp 'line 'project)
    ;; FIXME: Add cscope pattern to `compilation-error-regexp-alist'
    ;; or `compilation-error-regexp-alist-alist'.
    ;; (compilation-mode)
    (display-buffer (current-buffer))))





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