;;; ============ NOTE WELL! ============= ;;; ;;; You only need to use this file if you're using a version of Emacs ;;; prior to 20.1 to work on GDB. The only difference between this ;;; and the standard add-log.el provided with 19.34 is that it ;;; generates dates using the terser format used by Emacs 20. This is ;;; the format recommended for use in GDB ChangeLogs. ;;; ;;; To use this code, you should create a directory `~/elisp', save the code ;;; below in `~/elisp/add-log.el', and then put something like this in ;;; your `~/.emacs' file, to tell Emacs where to find it: ;;; ;;; (setq load-path ;;; (cons (expand-file-name "~/elisp") ;;; load-path)) ;;; ;;; If you want, you can also byte-compile it --- it'll run a little ;;; faster, and use a little less memory. (Not that those matter much for ;;; this file.) To do that, after you've saved the text as ;;; ~/elisp/add-log.el, bring it up in Emacs, and type ;;; ;;; C-u M-x byte-compile-file ;;; ;;; --- Jim Blandy ;;; add-log.el --- change log maintenance commands for Emacs ;; Copyright (C) 1985, 1986, 1988, 1993, 1994 Free Software Foundation, Inc. ;; Keywords: maint ;; This file is part of GNU Emacs. ;; 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 2, or (at your option) ;; any later version. ;; GNU Emacs is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; 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, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;;; Commentary: ;; This facility is documented in the Emacs Manual. ;;; Code: (defvar change-log-default-name nil "*Name of a change log file for \\[add-change-log-entry].") (defvar add-log-current-defun-function nil "\ *If non-nil, function to guess name of current function from surrounding text. \\[add-change-log-entry] calls this function (if nil, `add-log-current-defun' instead) with no arguments. It returns a string or nil if it cannot guess.") ;;;###autoload (defvar add-log-full-name nil "*Full name of user, for inclusion in ChangeLog daily headers. This defaults to the value returned by the `user-full-name' function.") ;;;###autoload (defvar add-log-mailing-address nil "*Electronic mail address of user, for inclusion in ChangeLog daily headers. This defaults to the value of `user-mail-address'.") (defvar change-log-font-lock-keywords '(("^[SMTWF].+" . font-lock-function-name-face) ; Date line. ("^\t\\* \\([^ :\n]+\\)" 1 font-lock-comment-face) ; File name. ("(\\([^)\n]+\\)):" 1 font-lock-keyword-face)) ; Function name. "Additional expressions to highlight in Change Log mode.") (defvar change-log-mode-map nil "Keymap for Change Log major mode.") (if change-log-mode-map nil (setq change-log-mode-map (make-sparse-keymap)) (define-key change-log-mode-map "\M-q" 'change-log-fill-paragraph)) (defun change-log-name () (or change-log-default-name (if (eq system-type 'vax-vms) "$CHANGE_LOG$.TXT" (if (or (eq system-type 'ms-dos) (eq system-type 'windows-nt)) "changelo" "ChangeLog")))) ;;;###autoload (defun prompt-for-change-log-name () "Prompt for a change log name." (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)))) ;;;###autoload (defun find-change-log (&optional file-name) "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." ;; 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 buffer-file-name (file-name-directory (file-chase-links 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) ;;;###autoload (defun add-change-log-entry (&optional whoami file-name other-window new-entry) "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. Fourth arg NEW-ENTRY non-nil means always create a new entry at the front; never append to an existing entry." (interactive (list current-prefix-arg (prompt-for-change-log-name))) (or add-log-full-name (setq add-log-full-name (user-full-name))) (or add-log-mailing-address (setq add-log-mailing-address user-mail-address)) (if whoami (progn (setq add-log-full-name (read-input "Full name: " add-log-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 add-log-mailing-address (read-input "Mailing address: " add-log-mailing-address)))) (let ((defun (funcall (or add-log-current-defun-function 'add-log-current-defun))) paragraph-end entry) (setq file-name (expand-file-name (find-change-log file-name))) ;; Set ENTRY to the file name to use in the new entry. (and buffer-file-name ;; Never want to add a change log entry for the ChangeLog file itself. (not (string= buffer-file-name 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)))) (if (and other-window (not (equal file-name buffer-file-name))) (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)) (let ((heading (format "%s %s <%s>" (format-time-string "%Y-%m-%d") add-log-full-name add-log-mailing-address))) (if (looking-at (regexp-quote heading)) (forward-line 1) (insert heading "\n\n"))) ;; Search only within the first paragraph. (if (looking-at "\n*[^\n* \t]") (skip-chars-forward "\n") (forward-paragraph 1)) (setq paragraph-end (point)) (goto-char (point-min)) ;; Now insert the new line for this entry. (cond ((re-search-forward "^\\s *\\*\\s *$" paragraph-end t) ;; Put this file name into the existing empty entry. (if entry (insert entry))) ((and (not new-entry) (let (case-fold-search) (re-search-forward (concat (regexp-quote (concat "* " entry)) ;; Don't accept `foo.bar' when ;; looking for `foo': "\\(\\s \\|[(),:]\\)") paragraph-end t))) ;; Add to the existing entry for the same file. (re-search-forward "^\\s *$\\|^\\s \\*") (goto-char (match-beginning 0)) ;; Delete excess empty lines; make just 2. (while (and (not (eobp)) (looking-at "^\\s *$")) (delete-region (point) (save-excursion (forward-line 1) (point)))) (insert "\n\n") (forward-line -2) (indent-relative-maybe)) (t ;; Make a new entry. (forward-line 1) (while (looking-at "\\sW") (forward-line 1)) (while (and (not (eobp)) (looking-at "^\\s *$")) (delete-region (point) (save-excursion (forward-line 1) (point)))) (insert "\n\n\n") (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 (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 (defun add-change-log-entry-other-window (&optional whoami file-name) "Find change log file in other window 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'." (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) ;;;###autoload (defun change-log-mode () "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 mode-name "Change Log" left-margin 8 fill-column 74 indent-tabs-mode t tab-width 8) (use-local-map change-log-mode-map) ;; Let each entry behave as one paragraph: ;; 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. (set (make-local-variable 'paragraph-start) "\\s *$\\|\f\\|^\\sw") (set (make-local-variable 'paragraph-separate) "\\s *$\\|\f\\|^\\sw") ;; Let all entries for one day behave as one page. ;; 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 'version-control) 'never) (set (make-local-variable 'adaptive-fill-regexp) "\\s *") (set (make-local-variable 'font-lock-defaults) '(change-log-font-lock-keywords t)) (run-hooks 'change-log-mode-hook)) ;; 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 (save-excursion (forward-paragraph) (point))) (beg (save-excursion (backward-paragraph)(point))) (paragraph-start (concat paragraph-start "\\|\\s *\\s("))) (fill-region beg end justify))) (defvar add-log-current-defun-header-regexp "^\\([A-Z][A-Z_ ]*[A-Z_]\\|[-_a-zA-Z]+\\)[ \t]*[:=]" "*Heuristic regexp used by `add-log-current-defun' for unknown major modes.") ;;;###autoload (defun add-log-current-defun () "Return name of function definition point is in, or nil. Understands C, Lisp, LaTeX (\"functions\" are chapters, sections, ...), Texinfo (@node titles), Perl, and Fortran. 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'. Has a preference of looking backwards." (condition-case nil (save-excursion (let ((location (point))) (cond ((memq major-mode '(emacs-lisp-mode lisp-mode scheme-mode lisp-interaction-mode)) ;; 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. (if (and (looking-at "\\s(") (progn (end-of-defun) (< location (point))) (progn (forward-sexp -1) (>= location (point)))) (progn (if (looking-at "\\s(") (forward-char 1)) (forward-sexp 1) (skip-chars-forward " '") (buffer-substring (point) (progn (forward-sexp 1) (point)))))) ((and (memq major-mode '(c-mode c++-mode c++-c-mode objc-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 c++-c-mode objc-mode)) (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)) (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 (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