;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 1, or (at your option)
+;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;; Code:
;;;###autoload
(defvar change-log-default-name nil
(setq file-name (if (file-directory-p file-name)
(expand-file-name (change-log-name) file-name)
(expand-file-name file-name)))
+ ;; Chase links before visiting the file.
+ ;; This makes it easier to use a single change log file
+ ;; for several related directories.
+ (setq file-name (or (file-symlink-p file-name) file-name))
(set (make-local-variable 'change-log-default-name) file-name)
(if buffer-file-name
(setq entry (if (string-match
buffer-file-name)
(substring buffer-file-name (match-end 0))
(file-name-nondirectory buffer-file-name))))
- ;; Never want to add a change log entry for the ChangeLog buffer itself.
- (if (equal file-name entry)
+ ;; Never want to add a change log entry for the ChangeLog file itself.
+ (if (equal entry "ChangeLog")
(setq entry nil
defun nil))
(if (and other-window (not (equal file-name buffer-file-name)))
(find-file file-name))
(undo-boundary)
(goto-char (point-min))
- (if (not (and (looking-at (substring (current-time-string) 0 10))
- (looking-at (concat ".* " full-name " (" login-name "@"))))
- (progn (insert (current-time-string)
- " " full-name
- " (" login-name
- "@" site-name ")\n\n")))
+ (or (looking-at (concat (substring (current-time-string) 0 10)
+ ".* " full-name " (" login-name "@"))
+ (insert (current-time-string)
+ " " full-name
+ " (" login-name
+ "@" site-name ")\n\n"))
(goto-char (point-min))
(setq empty-entry
(and (search-forward "\n\t* \n" nil t)
entry-boundary
t)
(1- (match-end 0)))))))
+ ;; Now insert the new line for this entry.
(cond (entry-position
;; Move to the existing entry for the same file.
(goto-char entry-position)
(re-search-forward "^\\s *$")
- (open-line 1)
+ (beginning-of-line)
+ (while (and (not (eobp)) (looking-at "^\\s *$"))
+ (delete-region (point) (save-excursion (forward-line 1) (point))))
+ (insert "\n\n")
+ (forward-line -2)
(indent-relative-maybe))
(empty-entry
;; Put this file name into the existing empty entry.
(forward-line 1)
(while (looking-at "\\sW")
(forward-line 1))
- (delete-region (point)
- (progn
- (skip-chars-backward "\n")
- (point)))
- (open-line 3)
- (forward-line 2)
+ (while (and (not (eobp)) (looking-at "^\\s *$"))
+ (delete-region (point) (save-excursion (forward-line 1) (point))))
+ (insert "\n\n\n")
+ (forward-line -2)
(indent-to left-margin)
(insert "* " (or entry ""))))
+ ;; Now insert the function name, if we have one.
;; Point is at the entry for this file,
;; either at the end of the line or at the first blank line.
(if defun
""
" ")
"(" defun "): "))
+ ;; No function name, so put in a colon unless we have just a star.
(if (not (save-excursion
(beginning-of-line 1)
(looking-at "\\s *\\(\\*\\s *\\)?$")))
- (insert ":")))))
+ (insert ": ")))))
;;;###autoload
(define-key ctl-x-4-map "a" 'add-change-log-entry-other-window)
(prompt-for-change-log-name))))
(add-change-log-entry whoami file-name t))
+;;;###autoload
(defun change-log-mode ()
"Major mode for editting change logs; like Indented Text Mode.
-New log entries are usually made with \\[add-change-log-entry]."
+Prevents numeric backups and sets `left-margin' to 8 and `fill-column' to 74.
+New log entries are usually made with \\[add-change-log-entry] or \\[add-change-log-entry-other-window].
+Each entry behaves as a paragraph, and the entries for one day as a page.
+Runs `change-log-mode-hook'."
(interactive)
(kill-all-local-variables)
(indented-text-mode)
(setq major-mode 'change-log-mode)
(setq mode-name "Change Log")
+ (setq left-margin 8)
+ (setq fill-column 74)
;; Let each entry behave as one paragraph:
(set (make-local-variable 'paragraph-start) "^\\s *$\\|^^L")
(set (make-local-variable 'paragraph-separate) "^\\s *$\\|^^L\\|^\\sw")
Has a preference of looking backwards."
(save-excursion
- (cond ((memq major-mode '(emacs-lisp-mode lisp-mode))
- (beginning-of-defun)
- (forward-word 1)
- (skip-chars-forward " ")
- (buffer-substring (point)
- (progn (forward-sexp 1) (point))))
- ((eq major-mode 'c-mode)
- ;; must be inside function body for this to work
- (beginning-of-defun)
- (forward-line -1)
- (while (looking-at "[ \t\n]") ; skip typedefs of arglist
- (forward-line -1))
- (down-list 1) ; into arglist
- (backward-up-list 1)
- (skip-chars-backward " \t")
- (buffer-substring (point)
- (progn (backward-sexp 1)
- (point))))
- ((memq major-mode
- '(TeX-mode plain-TeX-mode LaTeX-mode;; tex-mode.el
- plain-tex-mode latex-mode;; cmutex.el
- ))
- (if (re-search-backward
- "\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)" nil t)
- (progn
- (goto-char (match-beginning 0))
- (buffer-substring (1+ (point));; without initial backslash
- (progn
- (end-of-line)
- (point))))))
- ((eq major-mode 'texinfo-mode)
- (if (re-search-backward "^@node[ \t]+\\([^,]+\\)," nil t)
- (buffer-substring (match-beginning 1)
- (match-end 1))))
- (t
- ;; If all else fails, try heuristics
- (let (case-fold-search)
- (if (re-search-backward add-log-current-defun-header-regexp
- (- (point) 10000)
- t)
+ (let ((location (point)))
+ (cond ((memq major-mode '(emacs-lisp-mode lisp-mode scheme-mode))
+ ;; If we are now precisely a the beginning of a defun,
+ ;; make sure beginning-of-defun finds that one
+ ;; rather than the previous one.
+ (or (eobp) (forward-char 1))
+ (beginning-of-defun)
+ ;; Make sure we are really inside the defun found, not after it.
+ (if (and (progn (end-of-defun)
+ (< location (point)))
+ (progn (forward-sexp -1)
+ (>= location (point))))
+ (progn
+ (forward-word 1)
+ (skip-chars-forward " ")
+ (buffer-substring (point)
+ (progn (forward-sexp 1) (point))))))
+ ((and (memq major-mode '(c-mode 'c++-mode))
+ (save-excursion (beginning-of-line)
+ ;; Use eq instead of = here to avoid
+ ;; error when at bob and char-after
+ ;; returns nil.
+ (while (eq (char-after (- (point) 2)) ?\\)
+ (forward-line -1))
+ (looking-at "[ \t]*#[ \t]*define[ \t]")))
+ ;; Handle a C macro definition.
+ (beginning-of-line)
+ (while (= (char-after (- (point) 2)) ?\\)
+ (forward-line -1))
+ (search-forward "define")
+ (skip-chars-forward " \t")
+ (buffer-substring (point)
+ (progn (forward-sexp 1) (point))))
+ ((memq major-mode '(c-mode 'c++-mode))
+ ;; See if we are in the beginning part of a function,
+ ;; before the open brace. If so, advance forward.
+ (while (not (looking-at "{\\|\\(\\s *$\\)"))
+ (forward-line 1))
+ (or (eobp)
+ (forward-char 1))
+ (beginning-of-defun)
+ (if (progn (end-of-defun)
+ (< location (point)))
+ (progn
+ (backward-sexp 1)
+ (let (beg tem)
+
+ (forward-line -1)
+ ;; Skip back over typedefs of arglist.
+ (while (and (not (bobp))
+ (looking-at "[ \t\n]"))
+ (forward-line -1))
+ ;; See if this is using the DEFUN macro used in Emacs,
+ ;; or the DEFUN macro used by the C library.
+ (if (and (looking-at "DEFUN\\b")
+ (>= location (point)))
+ (progn
+ (down-list 1)
+ (if (= (char-after (point)) ?\")
+ (progn
+ (forward-sexp 1)
+ (skip-chars-forward " ,")))
+ (buffer-substring (point)
+ (progn (forward-sexp 1) (point))))
+ ;; Ordinary C function syntax.
+ (setq beg (point))
+ (if (condition-case nil
+ ;; Protect against "Unbalanced parens" error.
+ (progn
+ (down-list 1) ; into arglist
+ (backward-up-list 1)
+ (skip-chars-backward " \t")
+ t)
+ (error nil))
+ ;; Verify initial pos was after
+ ;; real start of function.
+ (if (and (save-excursion
+ (goto-char beg)
+ ;; For this purpose, include the line
+ ;; that has the decl keywords. This
+ ;; may also include some of the
+ ;; comments before the function.
+ (while (and (not (bobp))
+ (save-excursion
+ (forward-line -1)
+ (looking-at "[^\n\f]")))
+ (forward-line -1))
+ (>= location (point)))
+ ;; Consistency check: going down and up
+ ;; shouldn't take us back before BEG.
+ (> (point) beg))
+ (buffer-substring (point)
+ (progn (backward-sexp 1)
+ (point))))))))))
+ ((memq major-mode
+ '(TeX-mode plain-TeX-mode LaTeX-mode;; tex-mode.el
+ plain-tex-mode latex-mode;; cmutex.el
+ ))
+ (if (re-search-backward
+ "\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)" nil t)
+ (progn
+ (goto-char (match-beginning 0))
+ (buffer-substring (1+ (point));; without initial backslash
+ (progn
+ (end-of-line)
+ (point))))))
+ ((eq major-mode 'texinfo-mode)
+ (if (re-search-backward "^@node[ \t]+\\([^,]+\\)," nil t)
(buffer-substring (match-beginning 1)
- (match-end 1))))))))
+ (match-end 1))))
+ (t
+ ;; If all else fails, try heuristics
+ (let (case-fold-search)
+ (if (re-search-backward add-log-current-defun-header-regexp
+ (- (point) 10000)
+ t)
+ (buffer-substring (match-beginning 1)
+ (match-end 1)))))))))
+
+
+
+(provide 'add-log)
+
+;;; add-log.el ends here