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;;; ============ NOTE WELL! ============= |
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;;; |
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;;; You only need to use this file if you're using a version of Emacs |
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;;; prior to 20.1 to work on GDB. The only difference between this |
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;;; and the standard add-log.el provided with 19.34 is that it |
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;;; generates dates using the terser format used by Emacs 20. This is |
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;;; the format recommended for use in GDB ChangeLogs. |
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;;; |
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;;; To use this code, you should create a directory `~/elisp', save the code |
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;;; below in `~/elisp/add-log.el', and then put something like this in |
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;;; your `~/.emacs' file, to tell Emacs where to find it: |
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;;; |
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;;; (setq load-path |
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;;; (cons (expand-file-name "~/elisp") |
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;;; load-path)) |
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;;; |
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;;; If you want, you can also byte-compile it --- it'll run a little |
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;;; faster, and use a little less memory. (Not that those matter much for |
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;;; this file.) To do that, after you've saved the text as |
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;;; ~/elisp/add-log.el, bring it up in Emacs, and type |
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;;; |
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;;; C-u M-x byte-compile-file |
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;;; |
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;;; --- Jim Blandy |
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;;; add-log.el --- change log maintenance commands for Emacs |
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;; Copyright (C) 1985, 1986, 1988, 1993, 1994 Free Software Foundation, Inc. |
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;; Keywords: maint |
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;; This file is part of GNU Emacs. |
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;; GNU Emacs is free software; you can redistribute it and/or modify |
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;; it under the terms of the GNU General Public License as published by |
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;; the Free Software Foundation; either version 2, or (at your option) |
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;; any later version. |
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;; GNU Emacs is distributed in the hope that it will be useful, |
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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;; GNU General Public License for more details. |
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;; You should have received a copy of the GNU General Public License |
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;; along with GNU Emacs; see the file COPYING. If not, write to the |
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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;; Boston, MA 02111-1307, USA. |
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;;; Commentary: |
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;; This facility is documented in the Emacs Manual. |
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;;; Code: |
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(defvar change-log-default-name nil |
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"*Name of a change log file for \\[add-change-log-entry].") |
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(defvar add-log-current-defun-function nil |
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"\ |
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*If non-nil, function to guess name of current function from surrounding text. |
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\\[add-change-log-entry] calls this function (if nil, `add-log-current-defun' |
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instead) with no arguments. It returns a string or nil if it cannot guess.") |
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;;;###autoload |
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(defvar add-log-full-name nil |
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"*Full name of user, for inclusion in ChangeLog daily headers. |
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This defaults to the value returned by the `user-full-name' function.") |
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;;;###autoload |
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(defvar add-log-mailing-address nil |
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"*Electronic mail address of user, for inclusion in ChangeLog daily headers. |
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This defaults to the value of `user-mail-address'.") |
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(defvar change-log-font-lock-keywords |
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'(("^[SMTWF].+" . font-lock-function-name-face) ; Date line. |
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("^\t\\* \\([^ :\n]+\\)" 1 font-lock-comment-face) ; File name. |
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("(\\([^)\n]+\\)):" 1 font-lock-keyword-face)) ; Function name. |
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"Additional expressions to highlight in Change Log mode.") |
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(defvar change-log-mode-map nil |
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"Keymap for Change Log major mode.") |
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(if change-log-mode-map |
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nil |
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(setq change-log-mode-map (make-sparse-keymap)) |
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(define-key change-log-mode-map "\M-q" 'change-log-fill-paragraph)) |
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(defun change-log-name () |
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(or change-log-default-name |
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(if (eq system-type 'vax-vms) |
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"$CHANGE_LOG$.TXT" |
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(if (or (eq system-type 'ms-dos) (eq system-type 'windows-nt)) |
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"changelo" |
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"ChangeLog")))) |
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;;;###autoload |
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(defun prompt-for-change-log-name () |
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"Prompt for a change log name." |
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(let* ((default (change-log-name)) |
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(name (expand-file-name |
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(read-file-name (format "Log file (default %s): " default) |
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nil default)))) |
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;; Handle something that is syntactically a directory name. |
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;; Look for ChangeLog or whatever in that directory. |
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(if (string= (file-name-nondirectory name) "") |
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(expand-file-name (file-name-nondirectory default) |
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name) |
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;; Handle specifying a file that is a directory. |
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(if (file-directory-p name) |
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(expand-file-name (file-name-nondirectory default) |
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(file-name-as-directory name)) |
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name)))) |
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;;;###autoload |
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(defun find-change-log (&optional file-name) |
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"Find a change log file for \\[add-change-log-entry] and return the name. |
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Optional arg FILE-NAME specifies the file to use. |
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If FILE-NAME is nil, use the value of `change-log-default-name'. |
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If 'change-log-default-name' is nil, behave as though it were 'ChangeLog' |
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\(or whatever we use on this operating system). |
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If 'change-log-default-name' contains a leading directory component, then |
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simply find it in the current directory. Otherwise, search in the current |
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directory and its successive parents for a file so named. |
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Once a file is found, `change-log-default-name' is set locally in the |
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current buffer to the complete file name." |
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;; If user specified a file name or if this buffer knows which one to use, |
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;; just use that. |
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(or file-name |
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(setq file-name (and change-log-default-name |
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(file-name-directory change-log-default-name) |
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change-log-default-name)) |
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(progn |
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;; Chase links in the source file |
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;; and use the change log in the dir where it points. |
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(setq file-name (or (and buffer-file-name |
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(file-name-directory |
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(file-chase-links buffer-file-name))) |
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default-directory)) |
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(if (file-directory-p file-name) |
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(setq file-name (expand-file-name (change-log-name) file-name))) |
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;; Chase links before visiting the file. |
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;; This makes it easier to use a single change log file |
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;; for several related directories. |
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(setq file-name (file-chase-links file-name)) |
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(setq file-name (expand-file-name file-name)) |
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;; Move up in the dir hierarchy till we find a change log file. |
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(let ((file1 file-name) |
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parent-dir) |
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(while (and (not (or (get-file-buffer file1) (file-exists-p file1))) |
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(progn (setq parent-dir |
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(file-name-directory |
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(directory-file-name |
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(file-name-directory file1)))) |
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;; Give up if we are already at the root dir. |
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(not (string= (file-name-directory file1) |
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parent-dir)))) |
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;; Move up to the parent dir and try again. |
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(setq file1 (expand-file-name |
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(file-name-nondirectory (change-log-name)) |
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parent-dir))) |
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;; If we found a change log in a parent, use that. |
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(if (or (get-file-buffer file1) (file-exists-p file1)) |
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(setq file-name file1))))) |
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;; Make a local variable in this buffer so we needn't search again. |
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(set (make-local-variable 'change-log-default-name) file-name) |
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file-name) |
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;;;###autoload |
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(defun add-change-log-entry (&optional whoami file-name other-window new-entry) |
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"Find change log file and add an entry for today. |
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Optional arg (interactive prefix) non-nil means prompt for user name and site. |
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Second arg is file name of change log. If nil, uses `change-log-default-name'. |
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Third arg OTHER-WINDOW non-nil means visit in other window. |
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Fourth arg NEW-ENTRY non-nil means always create a new entry at the front; |
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never append to an existing entry." |
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(interactive (list current-prefix-arg |
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(prompt-for-change-log-name))) |
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(or add-log-full-name |
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(setq add-log-full-name (user-full-name))) |
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(or add-log-mailing-address |
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(setq add-log-mailing-address user-mail-address)) |
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(if whoami |
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(progn |
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(setq add-log-full-name (read-input "Full name: " add-log-full-name)) |
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;; Note that some sites have room and phone number fields in |
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;; full name which look silly when inserted. Rather than do |
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;; anything about that here, let user give prefix argument so that |
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;; s/he can edit the full name field in prompter if s/he wants. |
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(setq add-log-mailing-address |
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(read-input "Mailing address: " add-log-mailing-address)))) |
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(let ((defun (funcall (or add-log-current-defun-function |
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'add-log-current-defun))) |
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paragraph-end entry) |
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(setq file-name (expand-file-name (find-change-log file-name))) |
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;; Set ENTRY to the file name to use in the new entry. |
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(and buffer-file-name |
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;; Never want to add a change log entry for the ChangeLog file itself. |
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(not (string= buffer-file-name file-name)) |
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(setq entry (if (string-match |
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(concat "^" (regexp-quote (file-name-directory |
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file-name))) |
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buffer-file-name) |
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(substring buffer-file-name (match-end 0)) |
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(file-name-nondirectory buffer-file-name)))) |
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(if (and other-window (not (equal file-name buffer-file-name))) |
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(find-file-other-window file-name) |
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(find-file file-name)) |
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(or (eq major-mode 'change-log-mode) |
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(change-log-mode)) |
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(undo-boundary) |
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(goto-char (point-min)) |
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(let ((heading (format "%s %s <%s>" |
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(format-time-string "%Y-%m-%d") |
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add-log-full-name |
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add-log-mailing-address))) |
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(if (looking-at (regexp-quote heading)) |
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(forward-line 1) |
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(insert heading "\n\n"))) |
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;; Search only within the first paragraph. |
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(if (looking-at "\n*[^\n* \t]") |
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(skip-chars-forward "\n") |
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(forward-paragraph 1)) |
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(setq paragraph-end (point)) |
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(goto-char (point-min)) |
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;; Now insert the new line for this entry. |
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(cond ((re-search-forward "^\\s *\\*\\s *$" paragraph-end t) |
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;; Put this file name into the existing empty entry. |
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(if entry |
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(insert entry))) |
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((and (not new-entry) |
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(let (case-fold-search) |
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(re-search-forward |
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(concat (regexp-quote (concat "* " entry)) |
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;; Don't accept `foo.bar' when |
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;; looking for `foo': |
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"\\(\\s \\|[(),:]\\)") |
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paragraph-end t))) |
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;; Add to the existing entry for the same file. |
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(re-search-forward "^\\s *$\\|^\\s \\*") |
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(goto-char (match-beginning 0)) |
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;; Delete excess empty lines; make just 2. |
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(while (and (not (eobp)) (looking-at "^\\s *$")) |
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(delete-region (point) (save-excursion (forward-line 1) (point)))) |
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(insert "\n\n") |
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(forward-line -2) |
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(indent-relative-maybe)) |
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(t |
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;; Make a new entry. |
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(forward-line 1) |
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(while (looking-at "\\sW") |
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(forward-line 1)) |
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(while (and (not (eobp)) (looking-at "^\\s *$")) |
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(delete-region (point) (save-excursion (forward-line 1) (point)))) |
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(insert "\n\n\n") |
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(forward-line -2) |
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(indent-to left-margin) |
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(insert "* " (or entry "")))) |
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;; Now insert the function name, if we have one. |
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;; Point is at the entry for this file, |
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;; either at the end of the line or at the first blank line. |
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(if defun |
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(progn |
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;; Make it easy to get rid of the function name. |
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(undo-boundary) |
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(insert (if (save-excursion |
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(beginning-of-line 1) |
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(looking-at "\\s *$")) |
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"" |
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" ") |
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"(" defun "): ")) |
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;; No function name, so put in a colon unless we have just a star. |
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(if (not (save-excursion |
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(beginning-of-line 1) |
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(looking-at "\\s *\\(\\*\\s *\\)?$"))) |
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(insert ": "))))) |
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;;;###autoload |
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(defun add-change-log-entry-other-window (&optional whoami file-name) |
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"Find change log file in other window and add an entry for today. |
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Optional arg (interactive prefix) non-nil means prompt for user name and site. |
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Second arg is file name of change log. \ |
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If nil, uses `change-log-default-name'." |
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(interactive (if current-prefix-arg |
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(list current-prefix-arg |
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(prompt-for-change-log-name)))) |
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(add-change-log-entry whoami file-name t)) |
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;;;###autoload (define-key ctl-x-4-map "a" 'add-change-log-entry-other-window) |
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;;;###autoload |
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(defun change-log-mode () |
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"Major mode for editing change logs; like Indented Text Mode. |
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Prevents numeric backups and sets `left-margin' to 8 and `fill-column' to 74. |
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New log entries are usually made with \\[add-change-log-entry] or \\[add-change-log-entry-other-window]. |
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Each entry behaves as a paragraph, and the entries for one day as a page. |
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Runs `change-log-mode-hook'." |
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(interactive) |
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(kill-all-local-variables) |
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(indented-text-mode) |
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(setq major-mode 'change-log-mode |
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mode-name "Change Log" |
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left-margin 8 |
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fill-column 74 |
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indent-tabs-mode t |
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tab-width 8) |
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(use-local-map change-log-mode-map) |
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;; Let each entry behave as one paragraph: |
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;; We really do want "^" in paragraph-start below: it is only the lines that |
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;; begin at column 0 (despite the left-margin of 8) that we are looking for. |
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(set (make-local-variable 'paragraph-start) "\\s *$\\|\f\\|^\\sw") |
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(set (make-local-variable 'paragraph-separate) "\\s *$\\|\f\\|^\\sw") |
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;; Let all entries for one day behave as one page. |
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;; Match null string on the date-line so that the date-line |
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;; is grouped with what follows. |
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(set (make-local-variable 'page-delimiter) "^\\<\\|^\f") |
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(set (make-local-variable 'version-control) 'never) |
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(set (make-local-variable 'adaptive-fill-regexp) "\\s *") |
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(set (make-local-variable 'font-lock-defaults) |
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'(change-log-font-lock-keywords t)) |
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(run-hooks 'change-log-mode-hook)) |
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;; It might be nice to have a general feature to replace this. The idea I |
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;; have is a variable giving a regexp matching text which should not be |
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;; moved from bol by filling. change-log-mode would set this to "^\\s *\\s(". |
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;; But I don't feel up to implementing that today. |
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(defun change-log-fill-paragraph (&optional justify) |
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"Fill the paragraph, but preserve open parentheses at beginning of lines. |
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Prefix arg means justify as well." |
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(interactive "P") |
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(let ((end (save-excursion (forward-paragraph) (point))) |
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(beg (save-excursion (backward-paragraph)(point))) |
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(paragraph-start (concat paragraph-start "\\|\\s *\\s("))) |
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(fill-region beg end justify))) |
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(defvar add-log-current-defun-header-regexp |
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"^\\([A-Z][A-Z_ ]*[A-Z_]\\|[-_a-zA-Z]+\\)[ \t]*[:=]" |
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"*Heuristic regexp used by `add-log-current-defun' for unknown major modes.") |
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;;;###autoload |
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(defun add-log-current-defun () |
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"Return name of function definition point is in, or nil. |
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Understands C, Lisp, LaTeX (\"functions\" are chapters, sections, ...), |
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Texinfo (@node titles), Perl, and Fortran. |
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Other modes are handled by a heuristic that looks in the 10K before |
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point for uppercase headings starting in the first column or |
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identifiers followed by `:' or `=', see variable |
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`add-log-current-defun-header-regexp'. |
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Has a preference of looking backwards." |
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(condition-case nil |
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(save-excursion |
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(let ((location (point))) |
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(cond ((memq major-mode '(emacs-lisp-mode lisp-mode scheme-mode |
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lisp-interaction-mode)) |
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;; If we are now precisely at the beginning of a defun, |
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;; make sure beginning-of-defun finds that one |
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;; rather than the previous one. |
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(or (eobp) (forward-char 1)) |
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(beginning-of-defun) |
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;; Make sure we are really inside the defun found, not after it. |
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(if (and (looking-at "\\s(") |
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(progn (end-of-defun) |
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(< location (point))) |
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(progn (forward-sexp -1) |
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(>= location (point)))) |
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(progn |
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(if (looking-at "\\s(") |
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(forward-char 1)) |
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(forward-sexp 1) |
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(skip-chars-forward " '") |
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(buffer-substring (point) |
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(progn (forward-sexp 1) (point)))))) |
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((and (memq major-mode '(c-mode c++-mode c++-c-mode objc-mode)) |
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(save-excursion (beginning-of-line) |
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;; Use eq instead of = here to avoid |
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;; error when at bob and char-after |
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;; returns nil. |
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(while (eq (char-after (- (point) 2)) ?\\) |
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(forward-line -1)) |
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(looking-at "[ \t]*#[ \t]*define[ \t]"))) |
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;; Handle a C macro definition. |
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(beginning-of-line) |
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(while (eq (char-after (- (point) 2)) ?\\) ;not =; note above |
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(forward-line -1)) |
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(search-forward "define") |
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(skip-chars-forward " \t") |
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(buffer-substring (point) |
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(progn (forward-sexp 1) (point)))) |
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((memq major-mode '(c-mode c++-mode c++-c-mode objc-mode)) |
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(beginning-of-line) |
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;; See if we are in the beginning part of a function, |
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;; before the open brace. If so, advance forward. |
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(while (not (looking-at "{\\|\\(\\s *$\\)")) |
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(forward-line 1)) |
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(or (eobp) |
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(forward-char 1)) |
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(beginning-of-defun) |
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(if (progn (end-of-defun) |
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(< location (point))) |
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(progn |
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(backward-sexp 1) |
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(let (beg tem) |
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(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 (condition-case nil |
|
|
(and (save-excursion |
|
|
(end-of-line) |
|
|
(while (= (preceding-char) ?\\) |
|
|
(end-of-line 2)) |
|
|
(backward-sexp 1) |
|
|
(beginning-of-line) |
|
|
(setq tem (point)) |
|
|
(looking-at "DEFUN\\b")) |
|
|
(>= location tem)) |
|
|
(error nil)) |
|
|
(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)))) |
|
|
(if (looking-at "^[+-]") |
|
|
(get-method-definition) |
|
|
;; Ordinary C function syntax. |
|
|
(setq beg (point)) |
|
|
(if (and (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. |
|
|
(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 newline |
|
|
;; in the name we use. |
|
|
(if (= (preceding-char) ?\n) |
|
|
(forward-char -1)) |
|
|
(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) |
|
|
;; 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 "struct \\|union \\|class ") |
|
|
(setq middle (point))) |
|
|
(buffer-substring middle end))))))))) |
|
|
((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]+\\([^,\n]+\\)" nil t) |
|
|
(buffer-substring (match-beginning 1) |
|
|
(match-end 1)))) |
|
|
((eq major-mode 'perl-mode) |
|
|
(if (re-search-backward "^sub[ \t]+\\([^ \t\n]+\\)" nil t) |
|
|
(buffer-substring (match-beginning 1) |
|
|
(match-end 1)))) |
|
|
((eq major-mode 'fortran-mode) |
|
|
;; must be inside function body for this to work |
|
|
(beginning-of-fortran-subprogram) |
|
|
(let ((case-fold-search t)) ; case-insensitive |
|
|
;; search for fortran subprogram start |
|
|
(if (re-search-forward |
|
|
"^[ \t]*\\(program\\|subroutine\\|function\ |
|
|
\\|[ \ta-z0-9*]*[ \t]+function\\)" |
|
|
nil t) |
|
|
(progn |
|
|
;; move to EOL or before first left paren |
|
|
(if (re-search-forward "[(\n]" nil t) |
|
|
(progn (forward-char -1) |
|
|
(skip-chars-backward " \t")) |
|
|
(end-of-line)) |
|
|
;; Use the name preceding that. |
|
|
(buffer-substring (point) |
|
|
(progn (forward-sexp -1) |
|
|
(point))))))) |
|
|
(t |
|
|
;; If all else fails, try heuristics |
|
|
(let (case-fold-search) |
|
|
(end-of-line) |
|
|
(if (re-search-backward add-log-current-defun-header-regexp |
|
|
(- (point) 10000) |
|
|
t) |
|
|
(buffer-substring (match-beginning 1) |
|
|
(match-end 1)))))))) |
|
|
(error nil))) |
|
|
|
|
|
(defvar get-method-definition-md) |
|
|
|
|
|
;; Subroutine used within 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 get-method-definition-1 (end) |
|
|
(setq get-method-definition-md |
|
|
(concat get-method-definition-md |
|
|
(buffer-substring (match-beginning 1) (match-end 1)) |
|
|
end)) |
|
|
(goto-char (match-end 0))) |
|
|
|
|
|
;; For objective C, return the method name if we are in a method. |
|
|
(defun get-method-definition () |
|
|
(let ((get-method-definition-md "[")) |
|
|
(save-excursion |
|
|
(if (re-search-backward "^@implementation\\s-*\\([A-Za-z_]*\\)" nil t) |
|
|
(get-method-definition-1 " "))) |
|
|
(save-excursion |
|
|
(cond |
|
|
((re-search-forward "^\\([-+]\\)[ \t\n\f\r]*\\(([^)]*)\\)?\\s-*" nil t) |
|
|
(get-method-definition-1 "") |
|
|
(while (not (looking-at "[{;]")) |
|
|
(looking-at |
|
|
"\\([A-Za-z_]*:?\\)\\s-*\\(([^)]*)\\)?[A-Za-z_]*[ \t\n\f\r]*") |
|
|
(get-method-definition-1 "")) |
|
|
(concat get-method-definition-md "]")))))) |
|
|
|
|
|
|
|
|
(provide 'add-log) |
|
|
|
|
|
;;; add-log.el ends here
|
|
|
|
