;;; add-log.el --- change log maintenance commands for Emacs
-;; Copyright (C) 1985, 86, 87, 88, 89, 90, 91, 1992
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1988, 1993, 1994, 1997, 1998, 2000, 2002,
+;; 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+
+;; Maintainer: FSF
+;; Keywords: tools
;; This file is part of GNU Emacs.
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+
+;; This facility is documented in the Emacs Manual.
;;; Code:
+(eval-when-compile
+ (require 'timezone))
+
+(defgroup change-log nil
+ "Change log maintenance."
+ :group 'tools
+ :link '(custom-manual "(emacs)Change Log")
+ :prefix "change-log-"
+ :prefix "add-log-")
+
+
+(defcustom change-log-default-name nil
+ "*Name of a change log file for \\[add-change-log-entry]."
+ :type '(choice (const :tag "default" nil)
+ string)
+ :group 'change-log)
+(put 'change-log-default-name 'safe-local-variable
+ (lambda (a) (or (stringp a) (null a))))
+
+(defcustom change-log-mode-hook nil
+ "Normal hook run by `change-log-mode'."
+ :type 'hook
+ :group 'change-log)
+
+;; Many modes set this variable, so avoid warnings.
+;;;###autoload
+(defcustom add-log-current-defun-function nil
+ "*If non-nil, function to guess name of surrounding function.
+It is used by `add-log-current-defun' in preference to built-in rules.
+Returns function's name as a string, or nil if outside a function."
+ :type '(choice (const nil) function)
+ :group 'change-log)
+
+;;;###autoload
+(defcustom add-log-full-name nil
+ "*Full name of user, for inclusion in ChangeLog daily headers.
+This defaults to the value returned by the function `user-full-name'."
+ :type '(choice (const :tag "Default" nil)
+ string)
+ :group 'change-log)
+
;;;###autoload
-(defvar change-log-default-name nil
- "*Name of a change log file for \\[add-change-log-entry].")
+(defcustom add-log-mailing-address nil
+ "Email addresses of user, for inclusion in ChangeLog headers.
+This defaults to the value of `user-mail-address'. In addition to
+being a simple string, this value can also be a list. All elements
+will be recognized as referring to the same user; when creating a new
+ChangeLog entry, one element will be chosen at random."
+ :type '(choice (const :tag "Default" nil)
+ (string :tag "String")
+ (repeat :tag "List of Strings" string))
+ :group 'change-log)
+
+(defcustom add-log-time-format 'add-log-iso8601-time-string
+ "Function that defines the time format.
+For example, `add-log-iso8601-time-string', which gives the
+date in international ISO 8601 format,
+and `current-time-string' are two valid values."
+ :type '(radio (const :tag "International ISO 8601 format"
+ add-log-iso8601-time-string)
+ (const :tag "Old format, as returned by `current-time-string'"
+ current-time-string)
+ (function :tag "Other"))
+ :group 'change-log)
+
+(defcustom add-log-keep-changes-together nil
+ "If non-nil, normally keep day's log entries for one file together.
+
+Log entries for a given file made with \\[add-change-log-entry] or
+\\[add-change-log-entry-other-window] will only be added to others \
+for that file made
+today if this variable is non-nil or that file comes first in today's
+entries. Otherwise another entry for that file will be started. An
+original log:
+
+ * foo (...): ...
+ * bar (...): change 1
+
+in the latter case, \\[add-change-log-entry-other-window] in a \
+buffer visiting `bar', yields:
+
+ * bar (...): -!-
+ * foo (...): ...
+ * bar (...): change 1
+
+and in the former:
+
+ * foo (...): ...
+ * bar (...): change 1
+ (...): -!-
+
+The NEW-ENTRY arg to `add-change-log-entry' can override the effect of
+this variable."
+ :version "20.3"
+ :type 'boolean
+ :group 'change-log)
+
+(defcustom add-log-always-start-new-record nil
+ "If non-nil, `add-change-log-entry' will always start a new record."
+ :version "22.1"
+ :type 'boolean
+ :group 'change-log)
+
+(defcustom add-log-buffer-file-name-function nil
+ "If non-nil, function to call to identify the full filename of a buffer.
+This function is called with no argument. If this is nil, the default is to
+use `buffer-file-name'."
+ :type '(choice (const nil) function)
+ :group 'change-log)
+
+(defcustom add-log-file-name-function nil
+ "If non-nil, function to call to identify the filename for a ChangeLog entry.
+This function is called with one argument, the value of variable
+`buffer-file-name' in that buffer. If this is nil, the default is to
+use the file's name relative to the directory of the change log file."
+ :type '(choice (const nil) function)
+ :group 'change-log)
+
+
+(defcustom change-log-version-info-enabled nil
+ "*If non-nil, enable recording version numbers with the changes."
+ :version "21.1"
+ :type 'boolean
+ :group 'change-log)
+
+(defcustom change-log-version-number-regexp-list
+ (let ((re "\\([0-9]+\.[0-9.]+\\)"))
+ (list
+ ;; (defconst ad-version "2.15"
+ (concat "^(def[^ \t\n]+[ \t]+[^ \t\n][ \t]\"" re)
+ ;; Revision: pcl-cvs.el,v 1.72 1999/09/05 20:21:54 monnier Exp
+ (concat "^;+ *Revision: +[^ \t\n]+[ \t]+" re)))
+ "*List of regexps to search for version number.
+The version number must be in group 1.
+Note: The search is conducted only within 10%, at the beginning of the file."
+ :version "21.1"
+ :type '(repeat regexp)
+ :group 'change-log)
+
+(defface change-log-date
+ '((t (:inherit font-lock-string-face)))
+ "Face used to highlight dates in date lines."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-date-face 'face-alias 'change-log-date)
+
+(defface change-log-name
+ '((t (:inherit font-lock-constant-face)))
+ "Face for highlighting author names."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-name-face 'face-alias 'change-log-name)
+
+(defface change-log-email
+ '((t (:inherit font-lock-variable-name-face)))
+ "Face for highlighting author email addresses."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-email-face 'face-alias 'change-log-email)
+
+(defface change-log-file
+ '((t (:inherit font-lock-function-name-face)))
+ "Face for highlighting file names."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-file-face 'face-alias 'change-log-file)
+
+(defface change-log-list
+ '((t (:inherit font-lock-keyword-face)))
+ "Face for highlighting parenthesized lists of functions or variables."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-list-face 'face-alias 'change-log-list)
+
+(defface change-log-conditionals
+ '((t (:inherit font-lock-variable-name-face)))
+ "Face for highlighting conditionals of the form `[...]'."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-conditionals-face 'face-alias 'change-log-conditionals)
+
+(defface change-log-function
+ '((t (:inherit font-lock-variable-name-face)))
+ "Face for highlighting items of the form `<....>'."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-function-face 'face-alias 'change-log-function)
+
+(defface change-log-acknowledgement
+ '((t (:inherit font-lock-comment-face)))
+ "Face for highlighting acknowledgments."
+ :version "21.1"
+ :group 'change-log)
+;; backward-compatibility alias
+(put 'change-log-acknowledgement-face 'face-alias 'change-log-acknowledgement)
+
+(defvar change-log-font-lock-keywords
+ '(;;
+ ;; Date lines, new (2000-01-01) and old (Sat Jan 1 00:00:00 2000) styles.
+ ;; Fixme: this regepx is just an approximate one and may match
+ ;; wrongly with a non-date line existing as a random note. In
+ ;; addition, using any kind of fixed setting like this doesn't
+ ;; work if a user customizes add-log-time-format.
+ ("^[0-9-]+ +\\|^\\(Sun\\|Mon\\|Tue\\|Wed\\|Thu\\|Fri\\|Sat\\) [A-z][a-z][a-z] [0-9:+ ]+"
+ (0 'change-log-date-face)
+ ;; Name and e-mail; some people put e-mail in parens, not angles.
+ ("\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]" nil nil
+ (1 'change-log-name)
+ (2 'change-log-email)))
+ ;;
+ ;; File names.
+ ("^\\( +\\|\t\\)\\* \\([^ ,:([\n]+\\)"
+ (2 'change-log-file)
+ ;; Possibly further names in a list:
+ ("\\=, \\([^ ,:([\n]+\\)" nil nil (1 'change-log-file))
+ ;; Possibly a parenthesized list of names:
+ ("\\= (\\([^(),\n]+\\|(\\(setf\\|SETF\\) [^() ,\n]+)\\)"
+ nil nil (1 'change-log-list))
+ ("\\=, *\\([^(),\n]+\\|(\\(setf\\|SETF\\) [^() ,\n]+)\\)"
+ nil nil (1 'change-log-list)))
+ ;;
+ ;; Function or variable names.
+ ("^\\( +\\|\t\\)(\\([^(),\n]+\\|(\\(setf\\|SETF\\) [^() ,\n]+)\\)"
+ (2 'change-log-list)
+ ("\\=, *\\([^(),\n]+\\|(\\(setf\\|SETF\\) [^() ,\n]+)\\)" nil nil
+ (1 'change-log-list)))
+ ;;
+ ;; Conditionals.
+ ("\\[!?\\([^]\n]+\\)\\]\\(:\\| (\\)" (1 'change-log-conditionals))
+ ;;
+ ;; Function of change.
+ ("<\\([^>\n]+\\)>\\(:\\| (\\)" (1 'change-log-function))
+ ;;
+ ;; Acknowledgements.
+ ;; Don't include plain "From" because that is vague;
+ ;; we want to encourage people to say something more specific.
+ ;; Note that the FSF does not use "Patches by"; our convention
+ ;; is to put the name of the author of the changes at the top
+ ;; of the change log entry.
+ ("\\(^\\( +\\|\t\\)\\| \\)\\(Patch\\(es\\)? by\\|Report\\(ed by\\| from\\)\\|Suggest\\(ed by\\|ion from\\)\\)"
+ 3 'change-log-acknowledgement))
+ "Additional expressions to highlight in Change Log mode.")
+
+(defvar change-log-mode-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map [?\C-c ?\C-p] 'add-log-edit-prev-comment)
+ (define-key map [?\C-c ?\C-n] 'add-log-edit-next-comment)
+ map)
+ "Keymap for Change Log major mode.")
+
+;; It used to be called change-log-time-zone-rule but really should be
+;; called add-log-time-zone-rule since it's only used from add-log-* code.
+(defvaralias 'change-log-time-zone-rule 'add-log-time-zone-rule)
+(defvar add-log-time-zone-rule nil
+ "Time zone used for calculating change log time stamps.
+It takes the same format as the TZ argument of `set-time-zone-rule'.
+If nil, use local time.
+If t, use universal time.")
+
+(defun add-log-iso8601-time-zone (&optional time)
+ (let* ((utc-offset (or (car (current-time-zone time)) 0))
+ (sign (if (< utc-offset 0) ?- ?+))
+ (sec (abs utc-offset))
+ (ss (% sec 60))
+ (min (/ sec 60))
+ (mm (% min 60))
+ (hh (/ min 60)))
+ (format (cond ((not (zerop ss)) "%c%02d:%02d:%02d")
+ ((not (zerop mm)) "%c%02d:%02d")
+ (t "%c%02d"))
+ sign hh mm ss)))
+
+(defvar add-log-iso8601-with-time-zone nil)
+
+(defun add-log-iso8601-time-string ()
+ (let ((time (format-time-string "%Y-%m-%d"
+ nil (eq t add-log-time-zone-rule))))
+ (if add-log-iso8601-with-time-zone
+ (concat time " " (add-log-iso8601-time-zone))
+ time)))
(defun change-log-name ()
+ "Return (system-dependent) default name for a change log file."
(or change-log-default-name
- (if (eq system-type 'vax-vms) "$CHANGE_LOG$.TXT" "ChangeLog")))
+ (if (eq system-type 'vax-vms)
+ "$CHANGE_LOG$.TXT"
+ "ChangeLog")))
+(defun add-log-edit-prev-comment (arg)
+ "Cycle backward through Log-Edit mode comment history.
+With a numeric prefix ARG, go back ARG comments."
+ (interactive "*p")
+ (save-restriction
+ (narrow-to-region (point)
+ (if (memq last-command '(add-log-edit-prev-comment
+ add-log-edit-next-comment))
+ (mark) (point)))
+ (when (fboundp 'log-edit-previous-comment)
+ (log-edit-previous-comment arg)
+ (indent-region (point-min) (point-max))
+ (goto-char (point-min))
+ (unless (save-restriction (widen) (bolp))
+ (delete-region (point) (progn (skip-chars-forward " \t\n") (point))))
+ (set-mark (point-min))
+ (goto-char (point-max))
+ (delete-region (point) (progn (skip-chars-backward " \t\n") (point))))))
+
+(defun add-log-edit-next-comment (arg)
+ "Cycle forward through Log-Edit mode comment history.
+With a numeric prefix ARG, go back ARG comments."
+ (interactive "*p")
+ (add-log-edit-prev-comment (- arg)))
+
+;;;###autoload
(defun prompt-for-change-log-name ()
"Prompt for a change log name."
- (let ((default (change-log-name)))
- (expand-file-name
- (read-file-name (format "Log file (default %s): " default)
- nil default))))
+ (let* ((default (change-log-name))
+ (name (expand-file-name
+ (read-file-name (format "Log file (default %s): " default)
+ nil default))))
+ ;; Handle something that is syntactically a directory name.
+ ;; Look for ChangeLog or whatever in that directory.
+ (if (string= (file-name-nondirectory name) "")
+ (expand-file-name (file-name-nondirectory default)
+ name)
+ ;; Handle specifying a file that is a directory.
+ (if (file-directory-p name)
+ (expand-file-name (file-name-nondirectory default)
+ (file-name-as-directory name))
+ name))))
+
+(defun change-log-version-number-search ()
+ "Return version number of current buffer's file.
+This is the value returned by `vc-workfile-version' or, if that is
+nil, by matching `change-log-version-number-regexp-list'."
+ (let* ((size (buffer-size))
+ (limit
+ ;; The version number can be anywhere in the file, but
+ ;; restrict search to the file beginning: 10% should be
+ ;; enough to prevent some mishits.
+ ;;
+ ;; Apply percentage only if buffer size is bigger than
+ ;; approx 100 lines.
+ (if (> size (* 100 80)) (+ (point) (/ size 10)))))
+ (or (and buffer-file-name (vc-workfile-version buffer-file-name))
+ (save-restriction
+ (widen)
+ (let ((regexps change-log-version-number-regexp-list)
+ version)
+ (while regexps
+ (save-excursion
+ (goto-char (point-min))
+ (when (re-search-forward (pop regexps) limit t)
+ (setq version (match-string 1)
+ regexps nil))))
+ version)))))
+
;;;###autoload
-(defun add-change-log-entry (&optional whoami file-name other-window)
- "Find change log file and add an entry for today.
-Optional arg (interactive prefix) non-nil means prompt for user name and site.
-Second arg is file name of change log. If nil, uses `change-log-default-name'.
-Third arg OTHER-WINDOW non-nil means visit in other window."
+(defun find-change-log (&optional file-name buffer-file)
+ "Find a change log file for \\[add-change-log-entry] and return the name.
+
+Optional arg FILE-NAME specifies the file to use.
+If FILE-NAME is nil, use the value of `change-log-default-name'.
+If `change-log-default-name' is nil, behave as though it were 'ChangeLog'
+\(or whatever we use on this operating system).
+
+If `change-log-default-name' contains a leading directory component, then
+simply find it in the current directory. Otherwise, search in the current
+directory and its successive parents for a file so named.
+
+Once a file is found, `change-log-default-name' is set locally in the
+current buffer to the complete file name.
+Optional arg BUFFER-FILE overrides `buffer-file-name'."
+ ;; If user specified a file name or if this buffer knows which one to use,
+ ;; just use that.
+ (or file-name
+ (setq file-name (and change-log-default-name
+ (file-name-directory change-log-default-name)
+ change-log-default-name))
+ (progn
+ ;; Chase links in the source file
+ ;; and use the change log in the dir where it points.
+ (setq file-name (or (and (or buffer-file buffer-file-name)
+ (file-name-directory
+ (file-chase-links
+ (or buffer-file buffer-file-name))))
+ default-directory))
+ (if (file-directory-p file-name)
+ (setq file-name (expand-file-name (change-log-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 (file-chase-links file-name))
+ (setq file-name (expand-file-name file-name))
+ ;; Move up in the dir hierarchy till we find a change log file.
+ (let ((file1 file-name)
+ parent-dir)
+ (while (and (not (or (get-file-buffer file1) (file-exists-p file1)))
+ (progn (setq parent-dir
+ (file-name-directory
+ (directory-file-name
+ (file-name-directory file1))))
+ ;; Give up if we are already at the root dir.
+ (not (string= (file-name-directory file1)
+ parent-dir))))
+ ;; Move up to the parent dir and try again.
+ (setq file1 (expand-file-name
+ (file-name-nondirectory (change-log-name))
+ parent-dir)))
+ ;; If we found a change log in a parent, use that.
+ (if (or (get-file-buffer file1) (file-exists-p file1))
+ (setq file-name file1)))))
+ ;; Make a local variable in this buffer so we needn't search again.
+ (set (make-local-variable 'change-log-default-name) file-name)
+ file-name)
+
+(defun add-log-file-name (buffer-file log-file)
+ ;; Never want to add a change log entry for the ChangeLog file itself.
+ (unless (or (null buffer-file) (string= buffer-file log-file))
+ (if add-log-file-name-function
+ (funcall add-log-file-name-function buffer-file)
+ (setq buffer-file
+ (if (string-match
+ (concat "^" (regexp-quote (file-name-directory log-file)))
+ buffer-file)
+ (substring buffer-file (match-end 0))
+ (file-name-nondirectory buffer-file)))
+ ;; If we have a backup file, it's presumably because we're
+ ;; comparing old and new versions (e.g. for deleted
+ ;; functions) and we'll want to use the original name.
+ (if (backup-file-name-p buffer-file)
+ (file-name-sans-versions buffer-file)
+ buffer-file))))
+
+;;;###autoload
+(defun add-change-log-entry (&optional whoami file-name other-window new-entry)
+ "Find change log file, and add an entry for today and an item for this file.
+Optional arg WHOAMI (interactive prefix) non-nil means prompt for user
+name and email (stored in `add-log-full-name' and `add-log-mailing-address').
+
+Second arg FILE-NAME is file name of the change log.
+If nil, use the value of `change-log-default-name'.
+
+Third arg OTHER-WINDOW non-nil means visit in other window.
+
+Fourth arg NEW-ENTRY non-nil means always create a new entry at the front;
+never append to an existing entry. Option `add-log-keep-changes-together'
+otherwise affects whether a new entry is created.
+
+Option `add-log-always-start-new-record' non-nil means always create a
+new record, even when the last record was made on the same date and by
+the same person.
+
+The change log file can start with a copyright notice and a copying
+permission notice. The first blank line indicates the end of these
+notices.
+
+Today's date is calculated according to `add-log-time-zone-rule' if
+non-nil, otherwise in local time."
(interactive (list current-prefix-arg
(prompt-for-change-log-name)))
- (let* ((full-name (if whoami
- (read-input "Full name: " (user-full-name))
- (user-full-name)))
- ;; Note that some sites have room and phone number fields in
- ;; full name which look silly when inserted. Rather than do
- ;; anything about that here, let user give prefix argument so that
- ;; s/he can edit the full name field in prompter if s/he wants.
- (login-name (if whoami
- (read-input "Login name: " (user-login-name))
- (user-login-name)))
- (site-name (if whoami
- (read-input "Site name: " (system-name))
- (system-name)))
- (defun (add-log-current-defun))
- entry entry-position empty-entry)
- (or file-name
- (setq file-name (or change-log-default-name
- default-directory)))
- (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
- (concat "^" (regexp-quote (file-name-directory
- file-name)))
- 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 file itself.
- (if (equal entry "ChangeLog")
- (setq entry nil
- defun nil))
- (if (and other-window (not (equal file-name buffer-file-name)))
- (find-file-other-window file-name)
- (find-file file-name))
+ (let* ((defun (add-log-current-defun))
+ (version (and change-log-version-info-enabled
+ (change-log-version-number-search)))
+ (buf-file-name (if add-log-buffer-file-name-function
+ (funcall add-log-buffer-file-name-function)
+ buffer-file-name))
+ (buffer-file (if buf-file-name (expand-file-name buf-file-name)))
+ (file-name (expand-file-name (find-change-log file-name buffer-file)))
+ ;; Set ITEM to the file name to use in the new item.
+ (item (add-log-file-name buffer-file file-name))
+ bound
+ (full-name (or add-log-full-name (user-full-name)))
+ (mailing-address (or add-log-mailing-address user-mail-address)))
+
+ (if whoami
+ (progn
+ (setq full-name (read-string "Full name: " full-name))
+ ;; Note that some sites have room and phone number fields in
+ ;; full name which look silly when inserted. Rather than do
+ ;; anything about that here, let user give prefix argument so that
+ ;; s/he can edit the full name field in prompter if s/he wants.
+ (setq mailing-address
+ (read-string "Mailing address: " mailing-address))))
+
+ (unless (equal file-name buffer-file-name)
+ (if (or other-window (window-dedicated-p (selected-window)))
+ (find-file-other-window file-name)
+ (find-file file-name)))
+ (or (eq major-mode 'change-log-mode)
+ (change-log-mode))
(undo-boundary)
(goto-char (point-min))
- (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)
- (1- (point))))
- (if (and entry
- (not empty-entry))
- ;; Look for today's entry for the same file.
- ;; If there is an empty entry (just a `*'), take the hint and
- ;; use it. This is so that C-x a from the ChangeLog buffer
- ;; itself can be used to force the next entry to be added at
- ;; the beginning, even if there are today's entries for the
- ;; same file (but perhaps different revisions).
- (let ((entry-boundary (save-excursion
- (and (re-search-forward "\n[A-Z]" nil t)
- (point)))))
- (setq entry-position (save-excursion
- (and (re-search-forward
- (concat
- (regexp-quote (concat "* " entry))
- ;; don't accept `foo.bar' when
- ;; looking for `foo':
- "[ \n\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 *$")
- (beginning-of-line)
+
+ ;; If file starts with a copyright and permission notice, skip them.
+ ;; Assume they end at first blank line.
+ (when (looking-at "Copyright")
+ (search-forward "\n\n")
+ (skip-chars-forward "\n"))
+
+ ;; Advance into first entry if it is usable; else make new one.
+ (let ((new-entries
+ (mapcar (lambda (addr)
+ (concat
+ (if (stringp add-log-time-zone-rule)
+ (let ((tz (getenv "TZ")))
+ (unwind-protect
+ (progn
+ (set-time-zone-rule add-log-time-zone-rule)
+ (funcall add-log-time-format))
+ (set-time-zone-rule tz)))
+ (funcall add-log-time-format))
+ " " full-name
+ " <" addr ">"))
+ (if (consp mailing-address)
+ mailing-address
+ (list mailing-address)))))
+ (if (and (not add-log-always-start-new-record)
+ (let ((hit nil))
+ (dolist (entry new-entries hit)
+ (when (looking-at (regexp-quote entry))
+ (setq hit t)))))
+ (forward-line 1)
+ (insert (nth (random (length new-entries))
+ new-entries)
+ (if use-hard-newlines hard-newline "\n")
+ (if use-hard-newlines hard-newline "\n"))
+ (forward-line -1)))
+
+ ;; Determine where we should stop searching for a usable
+ ;; item to add to, within this entry.
+ (setq bound
+ (save-excursion
+ (if (looking-at "\n*[^\n* \t]")
+ (skip-chars-forward "\n")
+ (if add-log-keep-changes-together
+ (forward-page) ; page delimits entries for date
+ (forward-paragraph))) ; paragraph delimits entries for file
+ (point)))
+
+ ;; Now insert the new line for this item.
+ (cond ((re-search-forward "^\\s *\\*\\s *$" bound t)
+ ;; Put this file name into the existing empty item.
+ (if item
+ (insert item)))
+ ((and (not new-entry)
+ (let (case-fold-search)
+ (re-search-forward
+ (concat (regexp-quote (concat "* " item))
+ ;; Don't accept `foo.bar' when
+ ;; looking for `foo':
+ "\\(\\s \\|[(),:]\\)")
+ bound t)))
+ ;; Add to the existing item for the same file.
+ (re-search-forward "^\\s *$\\|^\\s \\*")
+ (goto-char (match-beginning 0))
+ ;; Delete excess empty lines; make just 2.
(while (and (not (eobp)) (looking-at "^\\s *$"))
- (delete-region (point) (save-excursion (forward-line 1) (point))))
- (insert "\n\n")
+ (delete-region (point) (line-beginning-position 2)))
+ (insert (if use-hard-newlines hard-newline "\n")
+ (if use-hard-newlines hard-newline "\n"))
(forward-line -2)
(indent-relative-maybe))
- (empty-entry
- ;; Put this file name into the existing empty entry.
- (goto-char empty-entry)
- (if entry
- (insert entry)))
(t
- ;; Make a new entry.
- (forward-line 1)
+ ;; Make a new item.
(while (looking-at "\\sW")
(forward-line 1))
(while (and (not (eobp)) (looking-at "^\\s *$"))
- (delete-region (point) (save-excursion (forward-line 1) (point))))
- (insert "\n\n\n")
+ (delete-region (point) (line-beginning-position 2)))
+ (insert (if use-hard-newlines hard-newline "\n")
+ (if use-hard-newlines hard-newline "\n")
+ (if use-hard-newlines hard-newline "\n"))
(forward-line -2)
(indent-to left-margin)
- (insert "* " (or entry ""))))
+ (insert "* ")
+ (if item (insert item))))
;; Now insert the function name, if we have one.
- ;; Point is at the entry for this file,
+ ;; Point is at the item for this file,
;; either at the end of the line or at the first blank line.
- (if defun
- (progn
- ;; Make it easy to get rid of the function name.
- (undo-boundary)
- (insert (if (save-excursion
- (beginning-of-line 1)
- (looking-at "\\s *$"))
- ""
- " ")
- "(" 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 *\\)?$")))
- (insert ": ")))))
-
-;;;###autoload
-(define-key ctl-x-4-map "a" 'add-change-log-entry-other-window)
+ (if (not defun)
+ ;; No function name, so put in a colon unless we have just a star.
+ (unless (save-excursion
+ (beginning-of-line 1)
+ (looking-at "\\s *\\(\\*\\s *\\)?$"))
+ (insert ": ")
+ (if version (insert version ?\s)))
+ ;; Make it easy to get rid of the function name.
+ (undo-boundary)
+ (unless (save-excursion
+ (beginning-of-line 1)
+ (looking-at "\\s *$"))
+ (insert ?\s))
+ ;; See if the prev function name has a message yet or not.
+ ;; If not, merge the two items.
+ (let ((pos (point-marker)))
+ (skip-syntax-backward " ")
+ (skip-chars-backward "):")
+ (if (and (looking-at "):")
+ (let ((pos (save-excursion (backward-sexp 1) (point))))
+ (when (equal (buffer-substring pos (point)) defun)
+ (delete-region pos (point)))
+ (> fill-column (+ (current-column) (length defun) 4))))
+ (progn (skip-chars-backward ", ")
+ (delete-region (point) pos)
+ (unless (memq (char-before) '(?\()) (insert ", ")))
+ (if (looking-at "):")
+ (delete-region (+ 1 (point)) (line-end-position)))
+ (goto-char pos)
+ (insert "("))
+ (set-marker pos nil))
+ (insert defun "): ")
+ (if version (insert version ?\s)))))
;;;###autoload
(defun add-change-log-entry-other-window (&optional whoami file-name)
- "Find change log file in other window and add an entry for today.
-First arg (interactive prefix) non-nil means prompt for user name and site.
-Second arg is file name of change log.
-Interactively, with a prefix argument, the file name is prompted for."
+ "Find change log file in other window and add entry and item.
+This is just like `add-change-log-entry' except that it displays
+the change log file in another window."
(interactive (if current-prefix-arg
(list current-prefix-arg
(prompt-for-change-log-name))))
(add-change-log-entry whoami file-name t))
+;;;###autoload (define-key ctl-x-4-map "a" 'add-change-log-entry-other-window)
+
+(defvar change-log-indent-text 0)
+
+(defun change-log-indent ()
+ (let* ((indent
+ (save-excursion
+ (beginning-of-line)
+ (skip-chars-forward " \t")
+ (cond
+ ((and (looking-at "\\(.*\\) [^ \n].*[^ \n] <.*>\\(?: +(.*)\\)? *$")
+ ;; Matching the output of add-log-time-format is difficult,
+ ;; but I'll get it has at least two adjacent digits.
+ (string-match "[[:digit:]][[:digit:]]" (match-string 1)))
+ 0)
+ ((looking-at "[^*(]")
+ (+ (current-left-margin) change-log-indent-text))
+ (t (current-left-margin)))))
+ (pos (save-excursion (indent-line-to indent) (point))))
+ (if (> pos (point)) (goto-char pos))))
+
+
+(defvar smerge-resolve-function)
;;;###autoload
-(defun change-log-mode ()
- "Major mode for editting change logs; like Indented Text Mode.
+(define-derived-mode change-log-mode text-mode "Change Log"
+ "Major mode for editing change logs; like Indented Text Mode.
Prevents numeric backups and sets `left-margin' to 8 and `fill-column' to 74.
New log entries are usually made with \\[add-change-log-entry] or \\[add-change-log-entry-other-window].
Each entry behaves as a paragraph, and the entries for one day as a page.
-Runs `change-log-mode-hook'."
- (interactive)
- (kill-all-local-variables)
- (indented-text-mode)
- (setq major-mode 'change-log-mode)
- (setq mode-name "Change Log")
- (setq left-margin 8)
- (setq fill-column 74)
- ;; Let each entry behave as one paragraph:
- (set (make-local-variable 'paragraph-start) "^\\s *$\\|^^L")
- (set (make-local-variable 'paragraph-separate) "^\\s *$\\|^^L\\|^\\sw")
- ;; Let all entries for one day behave as one page.
+Runs `change-log-mode-hook'.
+\\{change-log-mode-map}"
+ (setq left-margin 8
+ fill-column 74
+ indent-tabs-mode t
+ tab-width 8)
+ (set (make-local-variable 'fill-paragraph-function)
+ 'change-log-fill-paragraph)
+ (set (make-local-variable 'indent-line-function) 'change-log-indent)
+ (set (make-local-variable 'tab-always-indent) nil)
+ ;; We really do want "^" in paragraph-start below: it is only the
+ ;; lines that begin at column 0 (despite the left-margin of 8) that
+ ;; we are looking for. Adding `* ' allows eliding the blank line
+ ;; between entries for different files.
+ (set (make-local-variable 'paragraph-start) "\\s *$\\|\f\\|^\\<")
+ (set (make-local-variable 'paragraph-separate) paragraph-start)
;; Match null string on the date-line so that the date-line
;; is grouped with what follows.
- (set (make-local-variable 'page-delimiter) "^\\<\\|^\f")
+ (set (make-local-variable 'page-delimiter) "^\\<\\|^\f")
(set (make-local-variable 'version-control) 'never)
+ (set (make-local-variable 'smerge-resolve-function)
+ 'change-log-resolve-conflict)
(set (make-local-variable 'adaptive-fill-regexp) "\\s *")
- (run-hooks 'change-log-mode-hook))
+ (set (make-local-variable 'font-lock-defaults)
+ '(change-log-font-lock-keywords t nil nil backward-paragraph)))
+
+;; It might be nice to have a general feature to replace this. The idea I
+;; have is a variable giving a regexp matching text which should not be
+;; moved from bol by filling. change-log-mode would set this to "^\\s *\\s(".
+;; But I don't feel up to implementing that today.
+(defun change-log-fill-paragraph (&optional justify)
+ "Fill the paragraph, but preserve open parentheses at beginning of lines.
+Prefix arg means justify as well."
+ (interactive "P")
+ (let ((end (progn (forward-paragraph) (point)))
+ (beg (progn (backward-paragraph) (point)))
+ (paragraph-start (concat paragraph-start "\\|\\s *\\s(")))
+ (fill-region beg end justify)
+ t))
+\f
+(defcustom add-log-current-defun-header-regexp
+ "^\\([[:upper:]][[:upper:]_ ]*[[:upper:]_]\\|[-_[:alpha:]]+\\)[ \t]*[:=]"
+ "Heuristic regexp used by `add-log-current-defun' for unknown major modes."
+ :type 'regexp
+ :group 'change-log)
-(defvar add-log-current-defun-header-regexp
- "^\\([A-Z][A-Z_ ]+\\|[a-z_---A-Z]+\\)[ \t]*[:=]"
- "*Heuristic regexp used by `add-log-current-defun' for unknown major modes.")
+;;;###autoload
+(defvar add-log-lisp-like-modes
+ '(emacs-lisp-mode lisp-mode scheme-mode dsssl-mode lisp-interaction-mode)
+ "*Modes that look like Lisp to `add-log-current-defun'.")
+
+;;;###autoload
+(defvar add-log-c-like-modes
+ '(c-mode c++-mode c++-c-mode objc-mode)
+ "*Modes that look like C to `add-log-current-defun'.")
+;;;###autoload
+(defvar add-log-tex-like-modes
+ '(TeX-mode plain-TeX-mode LaTeX-mode plain-tex-mode latex-mode)
+ "*Modes that look like TeX to `add-log-current-defun'.")
+
+;;;###autoload
(defun add-log-current-defun ()
"Return name of function definition point is in, or nil.
-Understands Lisp, LaTeX (\"functions\" are chapters, sections, ...),
-Texinfo (@node titles), and C.
+Understands C, Lisp, LaTeX (\"functions\" are chapters, sections, ...),
+Texinfo (@node titles) and Perl.
Other modes are handled by a heuristic that looks in the 10K before
point for uppercase headings starting in the first column or
-identifiers followed by `:' or `=', see variable
-`add-log-current-defun-header-regexp'.
+identifiers followed by `:' or `='. See variables
+`add-log-current-defun-header-regexp' and
+`add-log-current-defun-function'.
Has a preference of looking backwards."
- (save-excursion
- (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 (eq (char-after (- (point) 2)) ?\\) ;not =; note above
- (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 *$\\)"))
- (forward-line 1))
- (or (eobp)
- (forward-char 1))
- (beginning-of-defun)
- (if (progn (end-of-defun)
- (< location (point)))
- (progn
+ (condition-case nil
+ (save-excursion
+ (let ((location (point)))
+ (cond (add-log-current-defun-function
+ (funcall add-log-current-defun-function))
+ ((memq major-mode add-log-lisp-like-modes)
+ ;; If we are now precisely at the beginning of a defun,
+ ;; make sure beginning-of-defun finds that one
+ ;; rather than the previous one.
+ (or (eobp) (forward-char 1))
+ (beginning-of-defun)
+ ;; Make sure we are really inside the defun found,
+ ;; not after it.
+ (when (and (looking-at "\\s(")
+ (progn (end-of-defun)
+ (< location (point)))
+ (progn (forward-sexp -1)
+ (>= location (point))))
+ (if (looking-at "\\s(")
+ (forward-char 1))
+ ;; Skip the defining construct name, typically "defun"
+ ;; or "defvar".
+ (forward-sexp 1)
+ ;; The second element is usually a symbol being defined.
+ ;; If it is not, use the first symbol in it.
+ (skip-chars-forward " \t\n'(")
+ (buffer-substring-no-properties (point)
+ (progn (forward-sexp 1)
+ (point)))))
+ ((and (memq major-mode add-log-c-like-modes)
+ (save-excursion
+ (beginning-of-line)
+ ;; Use eq instead of = here to avoid
+ ;; error when at bob and char-after
+ ;; returns nil.
+ (while (eq (char-after (- (point) 2)) ?\\)
+ (forward-line -1))
+ (looking-at "[ \t]*#[ \t]*define[ \t]")))
+ ;; Handle a C macro definition.
+ (beginning-of-line)
+ (while (eq (char-after (- (point) 2)) ?\\) ;not =; note above
+ (forward-line -1))
+ (search-forward "define")
+ (skip-chars-forward " \t")
+ (buffer-substring-no-properties (point)
+ (progn (forward-sexp 1)
+ (point))))
+ ((memq major-mode add-log-c-like-modes)
+ (beginning-of-line)
+ ;; See if we are in the beginning part of a function,
+ ;; before the open brace. If so, advance forward.
+ (while (not (looking-at "{\\|\\(\\s *$\\)"))
+ (forward-line 1))
+ (or (eobp)
+ (forward-char 1))
+ (let (maybe-beg)
+ ;; Try to find the containing defun.
+ (beginning-of-defun)
+ (end-of-defun)
+ ;; If the defun we found ends before the desired position,
+ ;; see if there's a DEFUN construct
+ ;; between that end and the desired position.
+ (when (save-excursion
+ (and (> location (point))
+ (re-search-forward "^DEFUN"
+ (save-excursion
+ (goto-char location)
+ (line-end-position))
+ t)
+ (re-search-forward "^{" nil t)
+ (setq maybe-beg (point))))
+ ;; If so, go to the end of that instead.
+ (goto-char maybe-beg)
+ (end-of-defun)))
+ ;; If the desired position is within the defun we found,
+ ;; find the function name.
+ (when (< location (point))
+ ;; Move back over function body.
(backward-sexp 1)
- (let (beg tem)
-
+ (let (beg)
+ ;; Skip back over typedefs and arglist.
+ ;; Stop at the function definition itself
+ ;; or at the line that follows end of function doc string.
(forward-line -1)
- ;; Skip back over typedefs of arglist.
(while (and (not (bobp))
- (looking-at "[ \t\n]"))
+ (looking-at "[ \t\n]")
+ (not (looking-back "[*]/)\n" (- (point) 4))))
(forward-line -1))
- ;; See if this is using the DEFUN macro used in Emacs,
- ;; or the DEFUN macro used by the C library.
- (if (condition-case nil
- (and (save-excursion
- (forward-line 1)
- (backward-sexp 1)
- (beginning-of-line)
- (setq tem (point))
- (looking-at "DEFUN\\b"))
- (>= location tem))
- (error nil))
+ ;; If we found a doc string, this must be the DEFUN macro
+ ;; used in Emacs. Move back to the DEFUN line.
+ (when (looking-back "[*]/)\n" (- (point) 4))
+ (backward-sexp 1)
+ (beginning-of-line))
+ ;; Is this a DEFUN construct? And is LOCATION in it?
+ (if (and (looking-at "DEFUN\\b")
+ (>= location (point)))
+ ;; DEFUN ("file-name-directory", Ffile_name_directory, Sfile_name_directory, ...) ==> Ffile_name_directory
+ ;; DEFUN(POSIX::STREAM-LOCK, stream lockp &key BLOCK SHARED START LENGTH) ==> POSIX::STREAM-LOCK
(progn
- (goto-char tem)
(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)
+ (when (= (char-after (point)) ?\")
+ (forward-sexp 1)
+ (search-forward ","))
+ (skip-syntax-forward " ")
+ (buffer-substring-no-properties
+ (point)
+ (progn (search-forward ",")
+ (forward-char -1)
+ (skip-syntax-backward " ")
+ (point))))
+ (if (looking-at "^[+-]")
+ ;; Objective-C
+ (change-log-get-method-definition)
+ ;; Ordinary C function syntax.
+ (setq beg (point))
+ (if (and
+ ;; Protect against "Unbalanced parens" error.
+ (condition-case nil
+ (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.
+ (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))
+ (let (end middle)
+ ;; Don't include any final whitespace
+ ;; in the name we use.
+ (skip-chars-backward " \t\n")
+ (setq end (point))
+ (backward-sexp 1)
+ ;; Now find the right beginning of the name.
+ ;; Include certain keywords if they
+ ;; precede the name.
+ (setq middle (point))
+ (forward-word -1)
+ ;; Is this C++ method?
+ (when (and (< 2 middle)
+ (string= (buffer-substring (- middle 2)
+ middle)
+ "::"))
+ ;; Include "classname::".
+ (setq middle (point)))
+ ;; Ignore these subparts of a class decl
+ ;; and move back to the class name itself.
+ (while (looking-at "public \\|private ")
+ (skip-chars-backward " \t:")
+ (setq end (point))
+ (backward-sexp 1)
+ (setq middle (point))
+ (forward-word -1))
+ (and (bolp)
+ (looking-at
+ "enum \\|struct \\|union \\|class ")
+ (setq middle (point)))
+ (goto-char end)
+ (when (eq (preceding-char) ?=)
+ (forward-char -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))))
- (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)))))))))
+ (setq end (point)))
+ (buffer-substring-no-properties
+ middle end))))))))
+ ((memq major-mode add-log-tex-like-modes)
+ (if (re-search-backward
+ "\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)"
+ nil t)
+ (progn
+ (goto-char (match-beginning 0))
+ (buffer-substring-no-properties
+ (1+ (point)) ; without initial backslash
+ (line-end-position)))))
+ ((eq major-mode 'texinfo-mode)
+ (if (re-search-backward "^@node[ \t]+\\([^,\n]+\\)" nil t)
+ (match-string-no-properties 1)))
+ ((memq major-mode '(perl-mode cperl-mode))
+ (if (re-search-backward "^sub[ \t]+\\([^({ \t\n]+\\)" nil t)
+ (match-string-no-properties 1)))
+ ;; Emacs's autoconf-mode installs its own
+ ;; `add-log-current-defun-function'. This applies to
+ ;; a different mode apparently for editing .m4
+ ;; autoconf source.
+ ((eq major-mode 'autoconf-mode)
+ (if (re-search-backward
+ "^\\(\\(m4_\\)?define\\|A._DEFUN\\)(\\[?\\([A-Za-z0-9_]+\\)" nil t)
+ (match-string-no-properties 3)))
+ (t
+ ;; If all else fails, try heuristics
+ (let (case-fold-search
+ result)
+ (end-of-line)
+ (when (re-search-backward
+ add-log-current-defun-header-regexp
+ (- (point) 10000)
+ t)
+ (setq result (or (match-string-no-properties 1)
+ (match-string-no-properties 0)))
+ ;; Strip whitespace away
+ (when (string-match "\\([^ \t\n\r\f].*[^ \t\n\r\f]\\)"
+ result)
+ (setq result (match-string-no-properties 1 result)))
+ result))))))
+ (error nil)))
+
+(defvar change-log-get-method-definition-md)
+
+;; Subroutine used within change-log-get-method-definition.
+;; Add the last match in the buffer to the end of `md',
+;; followed by the string END; move to the end of that match.
+(defun change-log-get-method-definition-1 (end)
+ (setq change-log-get-method-definition-md
+ (concat change-log-get-method-definition-md
+ (match-string 1)
+ end))
+ (goto-char (match-end 0)))
+(defun change-log-get-method-definition ()
+"For Objective C, return the method name if we are in a method."
+ (let ((change-log-get-method-definition-md "["))
+ (save-excursion
+ (if (re-search-backward "^@implementation\\s-*\\([A-Za-z_]*\\)" nil t)
+ (change-log-get-method-definition-1 " ")))
+ (save-excursion
+ (cond
+ ((re-search-forward "^\\([-+]\\)[ \t\n\f\r]*\\(([^)]*)\\)?\\s-*" nil t)
+ (change-log-get-method-definition-1 "")
+ (while (not (looking-at "[{;]"))
+ (looking-at
+ "\\([A-Za-z_]*:?\\)\\s-*\\(([^)]*)\\)?[A-Za-z_]*[ \t\n\f\r]*")
+ (change-log-get-method-definition-1 ""))
+ (concat change-log-get-method-definition-md "]"))))))
+\f
+(defun change-log-sortable-date-at ()
+ "Return date of log entry in a consistent form for sorting.
+Point is assumed to be at the start of the entry."
+ (require 'timezone)
+ (if (looking-at "^\\sw.........[0-9:+ ]*")
+ (let ((date (match-string-no-properties 0)))
+ (if date
+ (if (string-match "\\(....\\)-\\(..\\)-\\(..\\)\\s-+" date)
+ (concat (match-string 1 date) (match-string 2 date)
+ (match-string 3 date))
+ (condition-case nil
+ (timezone-make-date-sortable date)
+ (error nil)))))
+ (error "Bad date")))
+
+(defun change-log-resolve-conflict ()
+ "Function to be used in `smerge-resolve-function'."
+ (let ((buf (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring buf (match-beginning 1) (match-end 1))
+ (save-match-data (change-log-mode))
+ (let ((other-buf (current-buffer)))
+ (with-current-buffer buf
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (match-beginning 0) (match-end 0))
+ (replace-match (match-string 3) t t)
+ (change-log-merge other-buf))))))))
+
+;;;###autoload
+(defun change-log-merge (other-log)
+ "Merge the contents of change log file OTHER-LOG with this buffer.
+Both must be found in Change Log mode (since the merging depends on
+the appropriate motion commands). OTHER-LOG can be either a file name
+or a buffer.
+Entries are inserted in chronological order. Both the current and
+old-style time formats for entries are supported."
+ (interactive "*fLog file name to merge: ")
+ (if (not (eq major-mode 'change-log-mode))
+ (error "Not in Change Log mode"))
+ (let ((other-buf (if (bufferp other-log) other-log
+ (find-file-noselect other-log)))
+ (buf (current-buffer))
+ date1 start end)
+ (save-excursion
+ (goto-char (point-min))
+ (set-buffer other-buf)
+ (goto-char (point-min))
+ (if (not (eq major-mode 'change-log-mode))
+ (error "%s not found in Change Log mode" other-log))
+ ;; Loop through all the entries in OTHER-LOG.
+ (while (not (eobp))
+ (setq date1 (change-log-sortable-date-at))
+ (setq start (point)
+ end (progn (forward-page) (point)))
+ ;; Look for an entry in original buffer that isn't later.
+ (with-current-buffer buf
+ (while (and (not (eobp))
+ (string< date1 (change-log-sortable-date-at)))
+ (forward-page))
+ (if (not (eobp))
+ (insert-buffer-substring other-buf start end)
+ ;; At the end of the original buffer, insert a newline to
+ ;; separate entries and then the rest of the file being
+ ;; merged.
+ (unless (or (bobp)
+ (and (= ?\n (char-before))
+ (or (<= (1- (point)) (point-min))
+ (= ?\n (char-before (1- (point)))))))
+ (insert (if use-hard-newlines hard-newline "\n")))
+ ;; Move to the end of it to terminate outer loop.
+ (with-current-buffer other-buf
+ (goto-char (point-max)))
+ (insert-buffer-substring other-buf start)))))))
+
+;;;###autoload
+(defun change-log-redate ()
+ "Fix any old-style date entries in the current log file to default format."
+ (interactive)
+ (require 'timezone)
+ (save-excursion
+ (goto-char (point-min))
+ (while (re-search-forward "^\\sw.........[0-9:+ ]*" nil t)
+ (unless (= 12 (- (match-end 0) (match-beginning 0)))
+ (let* ((date (save-match-data
+ (timezone-fix-time (match-string 0) nil nil)))
+ (zone (if (consp (aref date 6))
+ (nth 1 (aref date 6)))))
+ (replace-match (format-time-string
+ "%Y-%m-%d "
+ (encode-time (aref date 5)
+ (aref date 4)
+ (aref date 3)
+ (aref date 2)
+ (aref date 1)
+ (aref date 0)
+ zone))))))))
(provide 'add-log)
+;; arch-tag: 81eee6fc-088f-4372-a37f-80ad9620e762
;;; add-log.el ends here