+2003-04-02 Stefan Monnier <monnier@cs.yale.edu>
+
+ * progmodes/asm-mode.el (asm-calculate-indentation, asm-indent-line):
+ New functions.
+ (asm-mode): Use them in indent-line-function.
+ Set tab-always-indent to nil to stay closer to previous tab behavior.
+ Set comment-add. Remove space at end of comment-add.
+ (asm-newline): Obsolete. Use newline-and-indent instead.
+ (asm-mode-map): Remove TAB binding.
+ (asm-code-level-empty-comment-pattern)
+ (asm-flush-left-empty-comment-pattern)
+ (asm-inline-empty-comment-pattern): Remove.
+ (asm-comment): Use newcomment functions instead.
+ (asm-colon): Don't tab if colon is not after a label.
+ (asm-line-matches, asm-pop-comment-level): Remove.
+
2003-04-02 Kai Gro\e,A_\e(Bjohann <kai.grossjohann@gmx.net>
* emulation/crisp.el (top-level): Quote second arg to
* scroll-bar.el (scroll-bar-mode): Correctly specify `nil' choice.
+2003-04-01 Stefan Monnier <monnier@cs.yale.edu>
+
+ * progmodes/asm-mode.el (asm-mode-syntax-table): Setup entries
+ that do not depend on asm-comment-char.
+ (asm-mode-map): Declare and init at the same time.
+ (asm-code-level-empty-comment-pattern)
+ (asm-flush-left-empty-comment-pattern)
+ (asm-inline-empty-comment-pattern): Use \s< so they do not depend
+ on asm-comment-char. Turn them into constants.
+ (asm-mode): Simplify.
+ (asm-line-matches): Remove unused arg.
+
2003-04-01 Dave Love <fx@gnu.org>
* time.el: Doc fixes.
(display-time-mail-face): Change :type and default to nil.
(display-time-mail-icon): Use pbm, not xbm.
(display-time-mail-string): New.
- (display-time-string-forms): Use display-time-mail-string. Add
- checks in display property.
+ (display-time-string-forms): Use display-time-mail-string.
+ Add checks in display property.
2003-04-01 Kenichi Handa <handa@m17n.org>
* emulation/cua-base.el (cua-set-mark): Unconditionally repeat
pop-global-mark without C-x prefix. Fix doc.
+2003-03-31 Stefan Monnier <monnier@cs.yale.edu>
+
+ * reveal.el (reveal-post-command): Better error handling.
+
2003-03-31 Nick Roberts <nick@nick.uklinux.net>
* gdb-ui.el (gdb-inferior-io-mode): Remove Unix pathname for cat
so that it can run on NT also.
2003-03-31 Kenichi Handa <handa@m17n.org>
- * international/utf-16.el (ccl-decode-mule-utf-16-le): Don't
- assume the signature bytes.
+ * international/utf-16.el (ccl-decode-mule-utf-16-le):
+ Don't assume the signature bytes.
(ccl-decode-mule-utf-16-be): Likewise.
(ccl-encode-mule-utf-16-le): Don't produce the signature bytes.
(ccl-encode-mule-utf-16-be): Likewise.
2003-03-29 Michael Albinus <Michael.Albinus@alcatel.de>
- * trampver.el: New file, to support Autoconf in Tramp CVS
- repository.
- * tramp.el (tramp-version, tramp-bug-report-address): Moved to
+ * trampver.el: New file, to support Autoconf in Tramp CVS repository.
+ * tramp.el (tramp-version, tramp-bug-report-address): Move to
trampver.el, which is required now.
- (tramp-chunksize): Type can be nil as well. Reported
- by Markus Rost <rost@math.ohio-state.edu>.
+ (tramp-chunksize): Type can be nil as well.
+ Reported by Markus Rost <rost@math.ohio-state.edu>.
* tramp-smb.el (tramp-smb-read-file-entry): Make reading size of a
listing entry more robust. Ranges from 10 chars (Samba 1) to 7-9
chars (Samba 2).
2003-03-28 Lute Kamstra <Lute.Kamstra@cwi.nl>
- * emacs-lisp/checkdoc.el (checkdoc-display-status-buffer): Fix
- docstring.
+ * emacs-lisp/checkdoc.el (checkdoc-display-status-buffer):
+ Fix docstring.
(checkdoc-interactive, checkdoc-message-interactive): Make them
perform spell checking when appropriate.
(checkdoc-interactive-loop): Fix docstring and a few typos.
;; Note that the comment character isn't set up until asm-mode is called.
(define-key map ":" 'asm-colon)
(define-key map "\C-c;" 'comment-region)
- (define-key map "\C-i" 'tab-to-tab-stop)
- (define-key map "\C-j" 'asm-newline)
- (define-key map "\C-m" 'asm-newline)
+ (define-key map "\C-j" 'newline-and-indent)
+ (define-key map "\C-m" 'newline-and-indent)
map)
"Keymap for Asm mode.")
2 font-lock-keyword-face))
"Additional expressions to highlight in Assembler mode.")
-(defconst asm-code-level-empty-comment-pattern "^[\t ]+\\s<\\s< *$")
-(defconst asm-flush-left-empty-comment-pattern "^\\s<\\s<\\s< *$")
-(defconst asm-inline-empty-comment-pattern "^.+\\s<+ *$")
-
;;;###autoload
(defun asm-mode ()
"Major mode for editing typical assembler code.
(setq local-abbrev-table asm-mode-abbrev-table)
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults '(asm-font-lock-keywords))
+ (set (make-local-variable 'indent-line-function) 'asm-indent-line)
+ ;; Stay closer to the old TAB behavior (was tab-to-tab-stop).
+ (set (make-local-variable 'tab-always-indent) nil)
(run-hooks 'asm-mode-set-comment-hook)
;; Make our own local child of asm-mode-map
(modify-syntax-entry asm-comment-char "<")
(make-local-variable 'comment-start)
- (setq comment-start (string asm-comment-char ?\ ))
+ (setq comment-start (string asm-comment-char))
+ (make-local-variable 'comment-add)
+ (setq comment-add 1)
(make-local-variable 'comment-start-skip)
(setq comment-start-skip "\\(?:\\s<+\\|/\\*+\\)[ \t]*")
(make-local-variable 'comment-end-skip)
- (setq comment-end-skip "[ \t]*\\(\\s>\\|\\*+/\\)")
+ (setq comment-end-skip "[ \t]*\\(\\s>\\|\\*+/\\)")
(make-local-variable 'comment-end)
(setq comment-end "")
(setq fill-prefix "\t")
- (run-hooks 'asm-mode-hook))
-\f
+ (run-mode-hooks 'asm-mode-hook))
+
+(defun asm-indent-line ()
+ "Auto-indent the current line."
+ (interactive)
+ (let* ((savep (point))
+ (indent (condition-case nil
+ (save-excursion
+ (forward-line 0)
+ (skip-chars-forward " \t")
+ (if (>= (point) savep) (setq savep nil))
+ (max (asm-calculate-indentation) 0))
+ (error 0))))
+ (if savep
+ (save-excursion (indent-line-to indent))
+ (indent-line-to indent))))
+
+(defun asm-calculate-indentation ()
+ (or
+ ;; Flush labels to the left margin.
+ (and (looking-at "\\(\\sw\\|\\s_\\)+:") 0)
+ ;; Same thing for `;;;' comments.
+ (and (looking-at "\\s<\\s<\\s<") 0)
+ ;; Simple `;' comments go to the comment-column.
+ (and (looking-at "\\s<\\(\\S<\\|\\'\\)") comment-column)
+ ;; The rest goes at the first tab stop.
+ (or (car tab-stop-list) tab-width)))
+
(defun asm-colon ()
"Insert a colon; if it follows a label, delete the label's indentation."
(interactive)
- (save-excursion
- (beginning-of-line)
- (if (looking-at "[ \t]+\\(\\sw\\|\\s_\\)+$")
- (delete-horizontal-space)))
- (insert ":")
- (tab-to-tab-stop)
- )
-
-(defun asm-newline ()
- "Insert LFD + fill-prefix, to bring us back to code-indent level."
- (interactive)
- (if (eolp) (delete-horizontal-space))
- (insert "\n")
- (tab-to-tab-stop)
- )
-
-(defun asm-line-matches (pattern)
- (save-excursion
- (beginning-of-line)
- (looking-at pattern)))
-
-(defun asm-pop-comment-level ()
- ;; Delete an empty comment ending current line. Then set up for a new one,
- ;; on the current line if it was all comment, otherwise above it
- (end-of-line)
- (delete-horizontal-space)
- (while (= (preceding-char) asm-comment-char)
- (delete-backward-char 1))
- (delete-horizontal-space)
- (if (bolp)
- nil
- (beginning-of-line)
- (open-line 1)))
-
+ (let ((labelp nil))
+ (save-excursion
+ (skip-syntax-backward "w_")
+ (skip-syntax-backward " ")
+ (if (setq labelp (bolp)) (delete-horizontal-space)))
+ (call-interactively 'self-insert-command)
+ (when labelp
+ (delete-horizontal-space)
+ (tab-to-tab-stop))))
+
+;; Obsolete since Emacs-21.4.
+(defalias 'asm-newline 'newline-and-indent)
(defun asm-comment ()
"Convert an empty comment to a `larger' kind, or start a new one.
Suggested usage: while writing your code, trigger asm-comment
repeatedly until you are satisfied with the kind of comment."
(interactive)
+ (comment-normalize-vars)
+ (let (comempty comment)
+ (save-excursion
+ (beginning-of-line)
+ (setq comment (comment-search-forward (line-end-position) t))
+ (setq comempty (looking-at "[ \t]*$")))
+
(cond
;; Blank line? Then start comment at code indent level.
- ((asm-line-matches "^[ \t]*$")
- (delete-horizontal-space)
- (tab-to-tab-stop)
- (insert asm-comment-char comment-start))
-
- ;; Nonblank line with no comment chars in it?
- ;; Then start a comment at the current comment column
- ((asm-line-matches (format "^[^%c\n]+$" asm-comment-char))
+ ;; Just like `comment-dwim'. -stef
+ ((save-excursion (beginning-of-line) (looking-at "^[ \t]*$"))
+ (indent-according-to-mode)
+ (insert asm-comment-char asm-comment-char ?\ ))
+
+ ;; Nonblank line w/o comment => start a comment at comment-column.
+ ;; Also: point before the comment => jump inside.
+ ((or (null comment) (< (point) comment))
(indent-for-comment))
- ;; Flush-left comment present? Just insert character.
- ((asm-line-matches asm-flush-left-empty-comment-pattern)
+ ;; Flush-left or non-empty comment present => just insert character.
+ ((or (not comempty) (save-excursion (goto-char comment) (bolp)))
(insert asm-comment-char))
- ;; Empty code-level comment already present?
- ;; Then start flush-left comment, on line above if this one is nonempty.
- ((asm-line-matches asm-code-level-empty-comment-pattern)
- (asm-pop-comment-level)
- (insert asm-comment-char asm-comment-char comment-start))
-
- ;; Empty comment ends line?
- ;; Then make code-level comment, on line above if this one is nonempty.
- ((asm-line-matches asm-inline-empty-comment-pattern)
- (asm-pop-comment-level)
- (tab-to-tab-stop)
- (insert asm-comment-char comment-start))
+ ;; Empty code-level comment => upgrade to next comment level.
+ ((save-excursion (goto-char comment) (skip-chars-backward " \t") (bolp))
+ (goto-char comment)
+ (insert asm-comment-char)
+ (indent-for-comment))
- ;; If all else fails, insert character
+ ;; Empty comment ends non-empty code line => new comment above.
(t
- (insert asm-comment-char)))
- (end-of-line))
+ (goto-char comment)
+ (skip-chars-backward " \t")
+ (delete-region (point) (line-end-position))
+ (beginning-of-line) (insert "\n") (backward-char)
+ (asm-comment)))))
(provide 'asm-mode)