-(defun gnus-debug ()
- "Attempts to go through the Gnus source file and report what variables have been changed.
-The source file has to be in the Emacs load path."
- (interactive)
- (let ((files gnus-debug-files)
- (point (point))
- file expr olist sym)
- (gnus-message 4 "Please wait while we snoop your variables...")
- (sit-for 0)
- ;; Go through all the files looking for non-default values for variables.
- (save-excursion
- (set-buffer (gnus-get-buffer-create " *gnus bug info*"))
- (while files
- (erase-buffer)
- (when (and (setq file (locate-library (pop files)))
- (file-exists-p file))
- (insert-file-contents file)
- (goto-char (point-min))
- (if (not (re-search-forward "^;;* *Internal variables" nil t))
- (gnus-message 4 "Malformed sources in file %s" file)
- (narrow-to-region (point-min) (point))
- (goto-char (point-min))
- (while (setq expr (ignore-errors (read (current-buffer))))
- (ignore-errors
- (and (or (eq (car expr) 'defvar)
- (eq (car expr) 'defcustom))
- (stringp (nth 3 expr))
- (not (memq (nth 1 expr) gnus-debug-exclude-variables))
- (or (not (boundp (nth 1 expr)))
- (not (equal (eval (nth 2 expr))
- (symbol-value (nth 1 expr)))))
- (push (nth 1 expr) olist)))))))
- (kill-buffer (current-buffer)))
- (when (setq olist (nreverse olist))
- (insert "------------------ Environment follows ------------------\n\n"))
- (while olist
- (if (boundp (car olist))
- (ignore-errors
- (gnus-pp
- `(setq ,(car olist)
- ,(if (or (consp (setq sym (symbol-value (car olist))))
- (and (symbolp sym)
- (not (or (eq sym nil)
- (eq sym t)))))
- (list 'quote (symbol-value (car olist)))
- (symbol-value (car olist))))))
- (insert ";; (makeunbound '" (symbol-name (car olist)) ")\n"))
- (setq olist (cdr olist)))
- (insert "\n\n")
- ;; Remove any control chars - they seem to cause trouble for some
- ;; mailers. (Byte-compiled output from the stuff above.)
- (goto-char point)
- (while (re-search-forward (mm-string-as-multibyte
- "[\000-\010\013-\037\200-\237]") nil t)
- (replace-match (format "\\%03o" (string-to-char (match-string 0)))
- t t))))
-