mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-27 07:37:33 +00:00
97a3278b57
stuff only after file names or at start of line. Allow parens around e-mail, as well as angles.
712 lines
25 KiB
EmacsLisp
712 lines
25 KiB
EmacsLisp
;;; add-log.el --- change log maintenance commands for Emacs
|
||
|
||
;; Copyright (C) 1985, 86, 88, 93, 94, 97, 1998 Free Software Foundation, Inc.
|
||
|
||
;; Keywords: tools
|
||
|
||
;; 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:
|
||
|
||
(eval-when-compile (require 'fortran))
|
||
|
||
(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)
|
||
|
||
(defcustom 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."
|
||
:type '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 `user-full-name' function."
|
||
:type '(choice (const :tag "Default" nil)
|
||
string)
|
||
:group 'change-log)
|
||
|
||
;;;###autoload
|
||
(defcustom 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'."
|
||
:type '(choice (const :tag "Default" nil)
|
||
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)
|
||
|
||
(defvar change-log-font-lock-keywords
|
||
'(;;
|
||
;; Date lines, new and old styles.
|
||
("^\\sw.........[0-9:+ ]*"
|
||
(0 font-lock-string-face)
|
||
;; Name and e-mail; some people put e-mail in parens, not angles.
|
||
("\\([^<(]+\\)[(<]\\([A-Za-z0-9_.-]+@[A-Za-z0-9_.-]+\\)[>)]" nil nil
|
||
(1 font-lock-constant-face)
|
||
(2 font-lock-variable-name-face)))
|
||
;;
|
||
;; File names.
|
||
("^\t\\* \\([^ ,:([\n]+\\)"
|
||
(1 font-lock-function-name-face)
|
||
;; Possibly further names in a list:
|
||
("\\=, \\([^ ,:([\n]+\\)" nil nil (1 font-lock-function-name-face))
|
||
;; Possibly a parenthesized list of names:
|
||
("\\= (\\([^) ,:\n]+\\)" nil nil (1 font-lock-keyword-face))
|
||
("\\=, *\\([^) ,:\n]+\\)" nil nil (1 font-lock-keyword-face)))
|
||
;;
|
||
;; Function or variable names.
|
||
("^\t(\\([^) ,:\n]+\\)"
|
||
(1 font-lock-keyword-face)
|
||
("\\=, *\\([^) ,:\n]+\\)" nil nil (1 font-lock-keyword-face)))
|
||
;;
|
||
;; Conditionals.
|
||
("\\[!?\\([^]\n]+\\)\\]\\(:\\| (\\)" (1 font-lock-variable-name-face))
|
||
;;
|
||
;; Acknowledgements.
|
||
("^\t\\(From\\|Patch\\(es\\)? by\\|Report\\(ed by\\| from\\)\\|Suggest\\(ed by\\|ion from\\)\\)"
|
||
1 font-lock-comment-face)
|
||
(" \\(From\\|Patch\\(es\\)? by\\|Report\\(ed by\\| from\\)\\|Suggest\\(ed by\\|ion from\\)\\)"
|
||
1 font-lock-comment-face))
|
||
"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)))
|
||
|
||
(defvar change-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.")
|
||
|
||
(defvar add-log-debugging)
|
||
|
||
(defun add-log-iso8601-time-zone (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)))
|
||
|
||
(defun add-log-iso8601-time-string ()
|
||
(if change-log-time-zone-rule
|
||
(let ((tz (getenv "TZ"))
|
||
(now (current-time)))
|
||
(unwind-protect
|
||
(progn
|
||
(set-time-zone-rule
|
||
change-log-time-zone-rule)
|
||
(concat
|
||
(format-time-string "%Y-%m-%d " now)
|
||
(add-log-iso8601-time-zone now)))
|
||
(set-time-zone-rule tz)))
|
||
(format-time-string "%Y-%m-%d")))
|
||
|
||
(defun change-log-name ()
|
||
(or change-log-default-name
|
||
(if (eq system-type 'vax-vms)
|
||
"$CHANGE_LOG$.TXT"
|
||
"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 WHOAMI (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. Option `add-log-keep-changes-together'
|
||
otherwise affects whether a new entry is created.
|
||
|
||
Today's date is calculated according to `change-log-time-zone-rule' if
|
||
non-nil, otherwise in local time."
|
||
(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)))
|
||
bound 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))))
|
||
|
||
(let ((buffer (find-buffer-visiting file-name)))
|
||
(setq add-log-debugging (list (gap-position) (gap-size))))
|
||
(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 ((new-entry (concat (funcall add-log-time-format)
|
||
" " add-log-full-name
|
||
" <" add-log-mailing-address ">")))
|
||
(if (looking-at (regexp-quote new-entry))
|
||
(forward-line 1)
|
||
(insert new-entry "\n\n")))
|
||
|
||
(setq bound
|
||
(progn
|
||
(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)))
|
||
(goto-char (point-min))
|
||
;; Now insert the new line for this entry.
|
||
(cond ((re-search-forward "^\\s *\\*\\s *$" bound t)
|
||
;; Put this file name into the existing empty entry.
|
||
(if entry
|
||
(insert entry)))
|
||
((and (not new-entry)
|
||
(let (case-fold-search)
|
||
(re-search-forward
|
||
(concat (regexp-quote (concat "* " entry))
|
||
;; Don't accept `foo.bar' when
|
||
;; looking for `foo':
|
||
"\\(\\s \\|[(),:]\\)")
|
||
bound t)))
|
||
;; Add to the existing entry for the same file.
|
||
(re-search-forward "^\\s *$\\|^\\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 WHOAMI (interactive prefix) non-nil means prompt for user
|
||
name and site.
|
||
Second optional arg FILE-NAME is file name of change log.
|
||
If nil, use `change-log-default-name'.
|
||
|
||
Affected by the same options as `add-change-log-entry'."
|
||
(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)
|
||
(set (make-local-variable 'fill-paragraph-function)
|
||
'change-log-fill-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. 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 '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 (progn (forward-paragraph) (point)))
|
||
(beg (progn (backward-paragraph) (point)))
|
||
(paragraph-start (concat paragraph-start "\\|\\s *\\s(")))
|
||
(fill-region beg end justify)
|
||
t))
|
||
|
||
(defcustom 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."
|
||
:type 'regexp
|
||
:group 'change-log)
|
||
|
||
;;;###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 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 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 (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 (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))
|
||
(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 "^[+-]")
|
||
(change-log-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 add-log-tex-like-modes)
|
||
(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))))
|
||
((or (eq major-mode 'fortran-mode)
|
||
;; Needs work for f90, but better than nothing.
|
||
(eq major-mode 'f90-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\\|\\(block[ \t]*data\\)\\)"
|
||
(save-excursion (end-of-fortran-subprogram)
|
||
(point))
|
||
t)
|
||
(or (match-string 2)
|
||
(progn
|
||
;; move to EOL or before first left paren
|
||
(if (re-search-forward "[(\n]" nil t)
|
||
(progn (backward-char)
|
||
(skip-chars-backward " \t"))
|
||
(end-of-line))
|
||
;; Use the name preceding that.
|
||
(buffer-substring (point)
|
||
(progn (backward-sexp)
|
||
(point)))))
|
||
"main")))
|
||
(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 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
|
||
(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 change-log-get-method-definition ()
|
||
(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 "]"))))))
|
||
|
||
|
||
(provide 'add-log)
|
||
|
||
;;; add-log.el ends here
|