Commit 21d7e080 authored by Eric S. Raymond's avatar Eric S. Raymond
Browse files

*** empty log message ***

parent 0560661c
......@@ -42,7 +42,10 @@ 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."
(interactive (list current-prefix-arg
(let* ((full-name (if whoami
(let* ((default (if (eq system-type 'vax-vms)
(full-name (if whoami
(read-input "Full name: " (user-full-name))
;; Note that some sites have room and phone number fields in
......@@ -54,7 +57,16 @@ Third arg OTHER-WINDOW non-nil means visit in other window."
(site-name (if whoami
(read-input "Site name: " (system-name))
(defun (add-log-current-defun))
(entry (and buffer-file-name
(file-name-nondirectory buffer-file-name)))
entry-position entry-boundary empty-entry)
;; Never want to add a change log entry for the ChangeLog buffer itself:
(if (equal default entry)
(setq entry nil
formatted-revision nil
defun nil))
(or file-name
(setq file-name (or change-log-default-name
......@@ -74,17 +86,59 @@ Third arg OTHER-WINDOW non-nil means visit in other window."
" (" login-name
"@" site-name ")\n\n")))
(goto-char (point-min))
(forward-line 1)
(while (looking-at "\\sW")
(forward-line 1))
(delete-region (point)
(skip-chars-backward "\n")
(open-line 3)
(forward-line 2)
(indent-to left-margin)
(insert "* ")))
(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 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).
(setq entry-boundary (save-excursion
(and (re-search-forward "\n[A-Z]" nil t)
entry-position (save-excursion
(and (re-search-forward
(regexp-quote (concat "* " entry))
;; don't accept `' when
;; looking for `foo':
"[ \n\t,]")
(1- (match-end 0))))))
(cond (entry-position
;; Move to existing entry for same file.
(goto-char entry-position)
(search-forward "\n\n")
(forward-line -1))
;; Put this file name into existing empty entry.
(goto-char empty-entry)
(insert (or entry "")))
;; Make a new entry
(forward-line 1)
(while (looking-at "\\sW")
(forward-line 1))
(delete-region (point)
(skip-chars-backward "\n")
(open-line 3)
(forward-line 2)
(indent-to left-margin)
(insert "* " (or entry ""))))
;; Point is at the entry for this file,
;; either at the end of the line or at the first blank line.
(if defun
;; Make it easy to get rid of the defun name.
(insert "(" defun "): ")))))
(define-key ctl-x-4-map "a" 'add-change-log-entry-other-window)
......@@ -100,4 +154,82 @@ Interactively, with a prefix argument, the file name is prompted for."
(add-change-log-entry whoami file-name t))
(defun change-log-mode ()
(setq major-mode 'change-log-mode)
(setq mode-name "Change Log")
;; Let each entry behave as one paragraph:
(set (make-local-variable 'paragraph-start) "^$\\|^^L")
(set (make-local-variable 'paragraph-separate) "^$\\|^^L")
;; Let all entries for one day behave as one page.
;; Note that a page boundary is also a paragraph boundary.
;; Unfortunately the date line of a page actually belongs to
;; the next day, but I don't see how to avoid that since
;; page moving cmds go to the end of the match, and Emacs
;; regexps don't have a context feature.
(set (make-local-variable 'page-delimiter) "^[A-Z][a-z][a-z] .*\n\\|^ ")
(run-hooks 'change-log-mode-hook))
(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.")
(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.
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
Has a preference of looking backwards."
(cond ((memq major-mode '(emacs-lisp-mode lisp-mode))
(forward-word 1)
(skip-chars-forward " ")
(buffer-substring (point)
(progn (forward-sexp 1) (point))))
((eq major-mode 'c-mode)
;; must be inside function body for this to work
(forward-line -1)
(while (looking-at "[ \t\n]") ; skip typedefs of arglist
(forward-line -1))
(down-list 1) ; into arglist
(backward-up-list 1)
(skip-chars-backward " \t")
(buffer-substring (point)
(progn (backward-sexp 1)
((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)
(goto-char (match-beginning 0))
(buffer-substring (1+ (point));; without initial backslash
((eq major-mode 'texinfo-mode)
(if (re-search-backward "^@node[ \t]+\\([^,]+\\)," nil t)
(buffer-substring (match-beginning 1)
(match-end 1))))
;; If all else fails, try heuristics
(let (case-fold-search)
(if (re-search-backward add-log-current-defun-header-regexp
(- (point) 10000)
(buffer-substring (match-beginning 1)
(match-end 1))))))))
;;; add-log.el ends here
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