;;; lisp-mode.el --- Lisp mode, and its idiosyncratic commands
-;; Copyright (C) 1985, 1986, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+;; Copyright (C) 1985,86,1999,2000,01,03,2004 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: lisp, languages
(put 'defsubst 'doc-string-elt 3)
(put 'define-skeleton 'doc-string-elt 2)
(put 'define-derived-mode 'doc-string-elt 4)
+(put 'define-compilation-mode 'doc-string-elt 3)
(put 'easy-mmode-define-minor-mode 'doc-string-elt 2)
(put 'define-minor-mode 'doc-string-elt 2)
(put 'define-generic-mode 'doc-string-elt 7)
;; because lisp-fill-paragraph should do the job.
;; I believe that newcomment's auto-fill code properly deals with it -stef
;;(set (make-local-variable 'adaptive-fill-mode) nil)
- (make-local-variable 'normal-auto-fill-function)
- (setq normal-auto-fill-function 'lisp-mode-auto-fill)
(make-local-variable 'indent-line-function)
(setq indent-line-function 'lisp-indent-line)
(make-local-variable 'indent-region-function)
(setq comment-add 1) ;default to `;;' in comment-region
(make-local-variable 'comment-column)
(setq comment-column 40)
- (make-local-variable 'comment-indent-function)
- (setq comment-indent-function 'lisp-comment-indent)
+ ;; Don't get confused by `;' in doc strings when paragraph-filling.
+ (set (make-local-variable 'comment-use-global-state) t)
(make-local-variable 'imenu-generic-expression)
(setq imenu-generic-expression lisp-imenu-generic-expression)
(make-local-variable 'multibyte-syntax-as-symbol)
(setq font-lock-defaults
'((lisp-font-lock-keywords
lisp-font-lock-keywords-1 lisp-font-lock-keywords-2)
- nil nil (("+-*/.<>=!?$%_&~^:" . "w")) beginning-of-defun
+ nil nil (("+-*/.<>=!?$%_&~^:" . "w")) nil
(font-lock-mark-block-function . mark-defun)
(font-lock-syntactic-face-function
. lisp-font-lock-syntactic-face-function))))
(defun lisp-outline-level ()
"Lisp mode `outline-level' function."
- (if (looking-at "(")
+ (if (looking-at "(\\|;;;###autoload")
1000
(looking-at outline-regexp)
(- (match-end 0) (match-beginning 0))))
(set-keymap-parent emacs-lisp-mode-map lisp-mode-shared-map)
(define-key emacs-lisp-mode-map "\e\t" 'lisp-complete-symbol)
(define-key emacs-lisp-mode-map "\e\C-x" 'eval-defun)
+ (define-key emacs-lisp-mode-map "\e\C-q" 'indent-pp-sexp)
(define-key emacs-lisp-mode-map [menu-bar] (make-sparse-keymap))
(define-key emacs-lisp-mode-map [menu-bar emacs-lisp]
(cons "Emacs-Lisp" map))
(setq imenu-case-fold-search t)
(set-syntax-table lisp-mode-syntax-table)
(run-mode-hooks 'lisp-mode-hook))
+(put 'lisp-mode 'find-tag-default-function 'lisp-find-tag-default)
+
+(defun lisp-find-tag-default ()
+ (let ((default (find-tag-default)))
+ (when (stringp default)
+ (if (string-match ":+" default)
+ (substring default (match-end 0))
+ default))))
;; Used in old LispM code.
(defalias 'common-lisp-mode 'lisp-mode)
(let ((map (make-sparse-keymap)))
(set-keymap-parent map lisp-mode-shared-map)
(define-key map "\e\C-x" 'eval-defun)
+ (define-key map "\e\C-q" 'indent-pp-sexp)
(define-key map "\e\t" 'lisp-complete-symbol)
(define-key map "\n" 'eval-print-last-sexp)
map)
"Return a string representing CHAR as a character rather than as an integer.
If CHAR is not a character, return nil."
(and (integerp char)
- (char-valid-p (event-basic-type char))
- (concat
- "?"
- (mapconcat
- (lambda (modif)
- (cond ((eq modif 'super) "\\s-")
- (t (string ?\\ (upcase (aref (symbol-name modif) 0)) ?-))))
- (event-modifiers char) "")
- (string (event-basic-type char)))))
+ (eventp char)
+ (let ((c (event-basic-type char))
+ (mods (event-modifiers char))
+ string)
+ ;; Prevent ?A from turning into ?\S-a.
+ (if (and (memq 'shift mods)
+ (zerop (logand char ?\S-\^@))
+ (not (let ((case-fold-search nil))
+ (char-equal c (upcase c)))))
+ (setq c (upcase c) mods nil))
+ ;; What string are we considering using?
+ (condition-case nil
+ (setq string
+ (concat
+ "?"
+ (mapconcat
+ (lambda (modif)
+ (cond ((eq modif 'super) "\\s-")
+ (t (string ?\\ (upcase (aref (symbol-name modif) 0)) ?-))))
+ mods "")
+ (cond
+ ((memq c '(?\; ?\( ?\) ?\{ ?\} ?\[ ?\] ?\" ?\' ?\\)) (string ?\\ c))
+ ((eq c 127) "\\C-?")
+ (t
+ (string c)))))
+ (error nil))
+ ;; Verify the string reads a CHAR, not to some other character.
+ ;; If it doesn't, return nil instead.
+ (and string
+ (= (car (read-from-string string)) char)
+ string))))
+
(defun eval-last-sexp-1 (eval-last-sexp-arg-internal)
"Evaluate sexp before point; print value in minibuffer.
(prin1-to-string value)))
(print-length eval-expression-print-length)
(print-level eval-expression-print-level)
- (char-string (prin1-char value))
(beg (point))
end)
(prog1
(prin1 value)
- (if (and (eq standard-output t) char-string)
- (princ (concat " = " char-string)))
+ (let ((str (eval-expression-print-format value)))
+ (if str (princ str)))
(setq end (point))
(when (and (bufferp standard-output)
(or (not (null print-length))
))))
+(defvar eval-last-sexp-fake-value (make-symbol "t"))
+
(defun eval-last-sexp (eval-last-sexp-arg-internal)
"Evaluate sexp before point; print value in minibuffer.
Interactively, with prefix argument, print output into current buffer."
(interactive "P")
(if (null eval-expression-debug-on-error)
(eval-last-sexp-1 eval-last-sexp-arg-internal)
- (let ((old-value (make-symbol "t")) new-value value)
+ (let ((old-value eval-last-sexp-fake-value) new-value value)
(let ((debug-on-error old-value))
(setq value (eval-last-sexp-1 eval-last-sexp-arg-internal))
(setq new-value debug-on-error))
value)))
(defun eval-defun-1 (form)
- "Change defvar into defconst within FORM.
-Likewise for other constructs as necessary."
+ "Treat some expressions specially.
+Reset the `defvar' and `defcustom' variables to the initial value.
+Reinitialize the face according to the `defface' specification."
;; The code in edebug-defun should be consistent with this, but not
;; the same, since this gets a macroexpended form.
(cond ((not (listp form))
;; Force variable to be bound.
(set-default (eval (nth 1 form)) (eval (nth 1 (nth 2 form))))
form)
+ ;; `defface' is macroexpanded to `custom-declare-face'.
+ ((eq (car form) 'custom-declare-face)
+ ;; Reset the face.
+ (put (eval (nth 1 form)) 'face-defface-spec nil)
+ (setq face-new-frame-defaults
+ (assq-delete-all (eval (nth 1 form)) face-new-frame-defaults))
+ form)
((eq (car form) 'progn)
(cons 'progn (mapcar 'eval-defun-1 (cdr form))))
(t form)))
(setq beg (point))
(setq form (read (current-buffer)))
(setq end (point)))
- ;; Alter the form if necessary, changing defvar into defconst, etc.
+ ;; Alter the form if necessary.
(setq form (eval-defun-1 (macroexpand form)))
(list beg end standard-output
`(lambda (ignore)
;; This function just forces a more costly detection of comments (using
;; parse-partial-sexp from beginning-of-defun). I.e. It avoids the problem of
;; taking a `;' inside a string started on another line for a comment starter.
-;; Note: `newcomment' gets it right in 99% of the cases if you're using
-;; font-lock, anyway, so we could get rid of it. -stef
+;; Note: `newcomment' gets it right now since we set comment-use-global-state
+;; so we could get rid of it. -stef
(defun lisp-mode-auto-fill ()
(if (> (current-column) (current-fill-column))
(if (save-excursion
(indent-sexp endmark)
(set-marker endmark nil))))
+(defun indent-pp-sexp (&optional arg)
+ "Indent each line of the list or, with prefix ARG, pretty-printify the list."
+ (interactive "P")
+ (if arg
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (point) (progn (forward-sexp 1) (point)))
+ (pp-buffer)
+ (goto-char (point-max))
+ (if (eq (char-before) ?\n)
+ (delete-char -1)))))
+ (indent-sexp))
+
;;;; Lisp paragraph filling commands.
(defcustom emacs-lisp-docstring-fill-column 65
;; The `fill-column' is temporarily bound to
;; `emacs-lisp-docstring-fill-column' if that value is an integer.
(let ((paragraph-start (concat paragraph-start
- "\\|\\s-*\\([\(;:\"]\\|`\(\\)"))
+ "\\|\\s-*\\([\(;:\"]\\|`\(\\|#'\(\\)"))
(paragraph-separate
(concat paragraph-separate "\\|\\s-*\".*[,\\.]$"))
(fill-column (if (integerp emacs-lisp-docstring-fill-column)