]> code.delx.au - gnu-emacs/blobdiff - lisp/add-log.el
(ada-indent-region, ada-check-matching-start, ada-check-defun-name): Fix error
[gnu-emacs] / lisp / add-log.el
index 0fc40e107a45e9257294f5bd788b2f72c3c29fc7..07468ff1366f1e1cc580e3aa039938588f8a8231 100644 (file)
@@ -1,6 +1,6 @@
 ;;; add-log.el --- change log maintenance commands for Emacs
 
-;; Copyright (C) 1985, 1986, 1988, 1993 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1988, 1993, 1994 Free Software Foundation, Inc.
 
 ;; Keywords: maint
 
@@ -17,8 +17,9 @@
 ;; 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., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
 
 ;;; Commentary:
 
 \\[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.")
 
-;; This MUST not be autoloaded, since user-login-name
-;; cannot be known at Emacs dump time.
-(defvar add-log-full-name (user-full-name)
+(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.")
 
-;; This MUST not be autoloaded, since user-login-name
-;; cannot be known at Emacs dump time.
-(defvar add-log-mailing-address (concat (user-login-name) "@" (system-name))
+(defvar add-log-mailing-address nil
   "*Electronic mail address of user, for inclusion in ChangeLog daily headers.
-This defaults to the value returned by `user-login-name', followed by
-an `@' character, followed by the value returned by `system-name'.")
+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 (eq system-type 'ms-dos)
+       (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)))
-    (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))))
 
 ;;;###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 is a name to try first.
-If FILE-NAME is nil, use the value of `change-log-default-name' if non-nil.
-Failing that, use \"ChangeLog\" in the current directory.
-If the file does not exist in the named directory, successive parent
-directories are tried.
+
+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 (or change-log-default-name
-                         ;; Chase links in the source file
-                         ;; and use the change log in the dir where it points.
-                         (and buffer-file-name
-                              (file-name-directory
-                               (file-chase-links buffer-file-name)))
-                         default-directory)))
-  (if (and (eq file-name change-log-default-name)
-          (assq 'change-log-default-name (buffer-local-variables)))
-      ;; Don't do the searching if we already have a buffer-local value.
-      file-name
-
-    (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))
+      (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)
@@ -127,6 +150,10 @@ 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))
@@ -140,7 +167,7 @@ never append to an existing entry."
                            'add-log-current-defun)))
        paragraph-end entry)
 
-    (setq file-name (find-change-log file-name))
+    (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
@@ -163,11 +190,11 @@ never append to an existing entry."
     (if (looking-at (concat (regexp-quote (substring (current-time-string)
                                                     0 10))
                            ".* " (regexp-quote add-log-full-name)
-                           "  (" (regexp-quote add-log-mailing-address)))
+                           "  <" (regexp-quote add-log-mailing-address)))
        (forward-line 1)
       (insert (current-time-string)
              "  " add-log-full-name
-             "  (" add-log-mailing-address ")\n\n"))
+             "  <" add-log-mailing-address ">\n\n"))
 
     ;; Search only within the first paragraph.
     (if (looking-at "\n*[^\n* \t]")
@@ -182,15 +209,17 @@ never append to an existing entry."
           (if entry
               (insert entry)))
          ((and (not new-entry)
-               (re-search-forward
-                (concat (regexp-quote (concat "* " entry))
-                        ;; Don't accept `foo.bar' when
-                        ;; looking for `foo':
-                        "\\(\\s \\|[(),:]\\)")
-                paragraph-end t))
+               (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 *$\\|^\\s \\*")
-          (beginning-of-line)
+          (goto-char (match-beginning 0))
+          ;; Delete excess empty lines; make just 2.
           (while (and (not (eobp)) (looking-at "^\\s *$"))
             (delete-region (point) (save-excursion (forward-line 1) (point))))
           (insert "\n\n")
@@ -251,26 +280,25 @@ Runs `change-log-mode-hook'."
   (setq major-mode 'change-log-mode
        mode-name "Change Log"
        left-margin 8
-       fill-column 74)
+       fill-column 74
+    indent-tabs-mode t
+    tab-width 8)
   (use-local-map change-log-mode-map)
   ;; Let each entry behave as one paragraph:
-  (set (make-local-variable 'paragraph-start) "^\\s *$\\|^\f")
-  (set (make-local-variable 'paragraph-separate) "^\\s *$\\|^\f\\|^\\sw")
+  ;; 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))
 
-(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))
-
 ;; 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(".
@@ -279,19 +307,21 @@ Runs `change-log-mode-hook'."
   "Fill the paragraph, but preserve open parentheses at beginning of lines.
 Prefix arg means justify as well."
   (interactive "P")
-  (let ((paragraph-separate (concat paragraph-separate "\\|^\\s *\\s("))
-       (paragraph-start (concat paragraph-start "\\|^\\s *\\s(")))
-    (fill-paragraph justify)))
+  (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)))
 \f
 (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), and Fortran.
+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
@@ -302,8 +332,9 @@ 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))
-                ;; If we are now precisely a the beginning of a defun,
+         (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))
@@ -317,10 +348,10 @@ Has a preference of looking backwards."
                       (if (looking-at "\\s(")
                           (forward-char 1))
                       (forward-sexp 1)
-                      (skip-chars-forward " ")
+                      (skip-chars-forward " '")
                       (buffer-substring (point)
                                         (progn (forward-sexp 1) (point))))))
-               ((and (memq major-mode '(c-mode c++-mode c++-c-mode))
+               ((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
@@ -336,7 +367,7 @@ Has a preference of looking backwards."
                 (skip-chars-forward " \t")
                 (buffer-substring (point)
                                   (progn (forward-sexp 1) (point))))
-               ((memq major-mode '(c-mode c++-mode c++-c-mode))
+               ((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.
@@ -360,7 +391,9 @@ Has a preference of looking backwards."
                         ;; or the DEFUN macro used by the C library.
                         (if (condition-case nil
                                 (and (save-excursion
-                                       (forward-line 1)
+                                       (end-of-line)
+                                       (while (= (preceding-char) ?\\)
+                                         (end-of-line 2))
                                        (backward-sexp 1)
                                        (beginning-of-line)
                                        (setq tem (point))
@@ -376,36 +409,59 @@ Has a preference of looking backwards."
                                     (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)
-                                    (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))))))))))
+                           (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
@@ -419,7 +475,11 @@ Has a preference of looking backwards."
                                           (end-of-line)
                                           (point))))))
                ((eq major-mode 'texinfo-mode)
-                (if (re-search-backward "^@node[ \t]+\\([^,]+\\)," nil t)
+                (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)
@@ -452,6 +512,34 @@ Has a preference of looking backwards."
                                         (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)