xemacs-beta: lisp/lisp.el annotate

annotate lisp/lisp.el @ 5448:89331fa1c819

Merged with trunk.

author	Mats Lidell <matsl@xemacs.org>
date	Thu, 06 Jan 2011 00:35:22 +0100
parents	308d34e9f07d
children	58b38d5b32d0

rev	line source
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	1 ;;; lisp.el --- Lisp editing commands for XEmacs
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	2
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	3 ;; Copyright (C) 1985, 1986, 1994, 1997 Free Software Foundation, Inc.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	4
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	5 ;; Maintainer: FSF
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	6 ;; Keywords: lisp, languages, dumped
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	7
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	8 ;; This file is part of XEmacs.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	9
5402 308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	10 ;; XEmacs is free software: you can redistribute it and/or modify it
308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	11 ;; under the terms of the GNU General Public License as published by the
308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	12 ;; Free Software Foundation, either version 3 of the License, or (at your
308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	13 ;; option) any later version.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	14
5402 308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	15 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT
308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	16 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	17 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	18 ;; for more details.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	19
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	20 ;; You should have received a copy of the GNU General Public License
5402 308d34e9f07d Changed bulk of GPLv2 or later files identified by script Mats Lidell <matsl@xemacs.org> parents: 4726 diff changeset	21 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	22
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	23 ;;; Synched up with: Emacs/Mule zeta.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	24
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	25 ;;; Commentary:
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	26
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	27 ;; This file is dumped with XEmacs.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	28
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	29 ;; Lisp editing commands to go with Lisp major mode.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	30
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	31 ;; 06/11/1997 - Use char-(after\|before) instead of
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	32 ;; (following\|preceding)-char. -slb
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	33
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	34 ;;; Code:
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	35
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	36 ;; Note that this variable is used by non-lisp modes too.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	37 (defcustom defun-prompt-regexp nil
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	38 "*Non-nil => regexp to ignore, before the character that starts a defun.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	39 This is only necessary if the opening paren or brace is not in column 0.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	40 See `beginning-of-defun'."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	41 :type '(choice (const :tag "none" nil)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	42 regexp)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	43 :group 'lisp)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	44
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	45 (make-variable-buffer-local 'defun-prompt-regexp)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	46
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	47 (defcustom parens-require-spaces t
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	48 "Non-nil => `insert-parentheses' should insert whitespace as needed."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	49 :type 'boolean
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	50 :group 'editing-basics
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	51 :group 'lisp)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	52
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	53 (defun forward-sexp (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	54 "Move forward across one balanced expression (sexp).
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	55 With non-nil COUNT, do it that many times. Negative COUNT means
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	56 move backward across -COUNT balanced expressions."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	57 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	58 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	59 (or count (setq count 1))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	60 ;; XEmacs: evil hack! The other half of the evil hack below.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	61 (if (and (> count 0) (looking-at "#s(\\\|#r[uU]\\{0,1\\}\""))
3543 c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	62 (goto-char (1+ (- (point) (- (match-end 0) (match-beginning 0))))))
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	63 (goto-char (or (scan-sexps (point) count) (buffer-end count)))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	64 (when (< count 0)
3543 c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	65 (backward-prefix-chars)
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	66 ;; XEmacs: evil hack! Skip back over #[sr] so that structures and raw
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	67 ;; strings are read properly. the current cheesified syntax tables just
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	68 ;; aren't up to this.
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	69 (let* ((diff (- (point) (point-min)))
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	70 (subject (buffer-substring (- (point) (min diff 3))
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	71 (1+ (point))))
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	72 (matched (string-match "#s(\\\|#r[uU]\\{0,1\\}\"" subject)))
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	73 (if matched
c136144fe765 [xemacs-hg @ 2006-08-04 22:55:04 by aidan] aidan parents: 446 diff changeset	74 (goto-char (1+ (- (point) (- (length subject) matched))))))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	75
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	76 (defun backward-sexp (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	77 "Move backward across one balanced expression (sexp).
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	78 With non-nil COUNT, do it that many times. Negative COUNT means
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	79 move forward across -COUNT balanced expressions."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	80 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	81 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	82 (forward-sexp (- (or count 1))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	83
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	84 (defun mark-sexp (&optional count)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	85 "Set mark COUNT sexps from point.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	86 The place mark goes is the same place \\[forward-sexp] would
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	87 move to with the same argument.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	88 Repeat this command to mark more sexps in the same direction."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	89 (interactive "p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	90 (mark-something 'mark-sexp 'forward-sexp (or count 1)))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	91
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	92 (defun forward-list (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	93 "Move forward across one balanced group of parentheses.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	94 With non-nil COUNT, do it that many times.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	95 Negative COUNT means move backward across -COUNT groups of parentheses."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	96 ;; XEmacs change
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	97 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	98 (goto-char (or (scan-lists (point) (or count 1) 0)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	99 (buffer-end (or count 1)))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	100
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	101 (defun backward-list (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	102 "Move backward across one balanced group of parentheses.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	103 With non-nil COUNT, do it that many times.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	104 Negative COUNT means move forward across -COUNT groups of parentheses."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	105 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	106 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	107 (forward-list (- (or count 1))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	108
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	109 (defun down-list (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	110 "Move forward down one level of parentheses.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	111 With non-nil COUNT, do this that many times.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	112 A negative COUNT means move backward but still go down a level."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	113 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	114 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	115 (or count (setq count 1))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	116 (let ((inc (if (> count 0) 1 -1)))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	117 (while (/= count 0)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	118 (goto-char (or (scan-lists (point) inc -1) (buffer-end count)))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	119 (setq count (- count inc)))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	120
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	121 (defun backward-up-list (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	122 "Move backward out of one level of parentheses.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	123 With COUNT, do this that many times.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	124 A negative COUNT means move forward but still to a less deep spot."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	125 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	126 (up-list (- (or count 1))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	127
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	128 (defun up-list (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	129 "Move forward out of one level of parentheses.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	130 With non-nil COUNT, do this that many times.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	131 A negative COUNT means move backward but still to a less deep spot.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	132 In Lisp programs, an argument is required."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	133 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	134 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	135 (or count (setq count 1))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	136 (let ((inc (if (> count 0) 1 -1)))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	137 (while (/= count 0)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	138 (goto-char (or (scan-lists (point) inc 1) (buffer-end count)))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	139 (setq count (- count inc)))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	140
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	141 (defun kill-sexp (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	142 "Kill the sexp (balanced expression) following the cursor.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	143 With non-nil COUNT, kill that many sexps after the cursor.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	144 Negative COUNT means kill -COUNT sexps before the cursor."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	145 (interactive "p")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	146 (let ((opoint (point)))
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	147 (forward-sexp (or count 1))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	148 (kill-region opoint (point))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	149
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	150 (defun backward-kill-sexp (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	151 "Kill the sexp (balanced expression) preceding the cursor.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	152 With non-nil COUNT, kill that many sexps before the cursor.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	153 Negative COUNT means kill -COUNT sexps after the cursor."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	154 (interactive "p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	155 (kill-sexp (- (or count 1))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	156
4696 ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	157
ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	158 ;; derived stuff from GNU Emacs
ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	159 (defvar beginning-of-defun-function nil
4724 7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	160 "If non-nil, this function will be called by `beginning-of-defun-raw'.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	161 It will be called with one argument, which is a repetition count.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	162 It provides an alternative algorithm to find the beginning of the current
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	163 defun instead of using the standard one implemented by `beginning-of-defun'.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	164 See also `defun-prompt-regexp' for minor tweaks.")
4712 a46d7513a364 `beginning-of-defun-function', `end-of-defun-function' Andreas Roehler <andreas.roehler@online.de> parents: 4705 diff changeset	165 (make-variable-buffer-local 'beginning-of-defun-function)
4696 ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	166
ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	167 (defvar end-of-defun-function nil
4724 7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	168 "If non-nil, this function will be called by `end-of-defun'.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	169 It will be called with no arguments. \(Repetition is implemented in
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	170 `end-of-defun' by calling this function that many times.)
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	171 This function provides an alternative algorithm to find the end
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	172 of the current defun instead of using the standard one implemented by
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	173 `end-of-defun'.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	174 ")
4712 a46d7513a364 `beginning-of-defun-function', `end-of-defun-function' Andreas Roehler <andreas.roehler@online.de> parents: 4705 diff changeset	175 (make-variable-buffer-local 'end-of-defun-function)
4696 ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	176
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	177 (defun beginning-of-defun (&optional count)
4724 7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	178 "Move backward to the beginning of the current defun.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	179 With COUNT, do it that many times. Negative COUNT
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	180 means move forward to -COUNTth following beginning of defun.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	181 Returns t unless search stops due to beginning or end of buffer.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	182
4724 7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	183 In the default implementation provided by `beginning-of-defun-raw',
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	184 a defun starts at a char with open-parenthesis syntax at the beginning
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	185 of a line. If `defun-prompt-regexp' is non-nil, then a string which
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	186 matches that regexp may precede the open-parenthesis. Alternatively,
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	187 if `beginning-of-defun-function' is non-nil, that function is called,
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	188 and none of the default processing is done.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	189
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	190 If the beginning of defun function returns t, point moves to the
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	191 beginning of the line containing the beginning of defun."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	192 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	193 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	194 (and (beginning-of-defun-raw count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	195 (progn (beginning-of-line) t)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	196
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	197 (defun beginning-of-defun-raw (&optional count)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	198 "Move point to the character that starts a defun.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	199 This is identical to beginning-of-defun, except that point does not move
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	200 to the beginning of the line when `defun-prompt-regexp' is non-nil."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	201 (interactive "p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	202 (unless count (setq count 1))
4705 7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	203 (if beginning-of-defun-function
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	204 (funcall beginning-of-defun-function count)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	205 (and (< count 0) (not (eobp)) (forward-char 1))
4705 7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	206 (and
7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	207 (re-search-backward (if defun-prompt-regexp
7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	208 (concat "^\\s(\\\|"
7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	209 "\\(" defun-prompt-regexp "\\)\\s(")
7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	210 "^\\s(")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	211 nil 'move count)
4705 7b90173970ad Unbreak `beginning-of-defun'. Mike Sperber <sperber@deinprogramm.de> parents: 4696 diff changeset	212 (progn (goto-char (1- (match-end 0)))) t)))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	213
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	214 ;; XEmacs change (optional buffer parameter)
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	215 (defun buffer-end (direction &optional buffer)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	216 "Return `point-max' of BUFFER if DIRECTION > 0, else return `point-min'.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	217 BUFFER defaults to the current buffer if omitted."
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	218 (if (> direction 0) (point-max buffer) (point-min buffer)))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	219
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	220 (defun end-of-defun (&optional count)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	221 "Move forward to next end of defun.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	222 Non-nil COUNT means do it that many times (default is 1).
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	223 Negative COUNT means move back to -COUNTth preceding end of defun.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	224
4724 7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	225 In the default implementation, the end of a defun is the end of the
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	226 s-expression started at the character identified by `beginning-of-defun'.
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	227
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	228 If `end-of-defun-function' is non-nil, none of the default processing is
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	229 done. For a repetition count greater than 1, `end-of-defun-function' is
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	230 called that many times. If the repetition count is less than 1, nothing
7eef89a3d41f Improve docstrings of defun movement functions. Stephen J. Turnbull <stephen@xemacs.org> parents: 4712 diff changeset	231 is done. \(This is a bug.)"
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	232 ;; XEmacs change (for zmacs regions)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	233 (interactive "_p")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	234 (if (or (null count) (= count 0)) (setq count 1))
4696 ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	235 (if end-of-defun-function
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	236 (if (> count 0)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	237 (dotimes (i count)
4696 ecc468b62551 funcall beginning-of-defun-function arg andreas.roehler@online.de parents: 3543 diff changeset	238 (funcall end-of-defun-function)))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	239 (let ((first t))
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	240 (while (and (> count 0) (< (point) (point-max)))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	241 (let ((pos (point))) ; XEmacs -- remove unused npos.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	242 (while (progn
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	243 (if (and first
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	244 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	245 (end-of-line 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	246 (beginning-of-defun-raw 1)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	247 nil
446 1ccc32a20af4 Import from CVS: tag r21-2-38 cvs parents: 444 diff changeset	248 (or (bobp) (backward-char 1))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	249 (beginning-of-defun-raw -1))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	250 (setq first nil)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	251 (forward-list 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	252 (skip-chars-forward " \t")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	253 (if (looking-at "\\s<\\\|\n")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	254 (forward-line 1))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	255 (<= (point) pos))))
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	256 (setq count (1- count)))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	257 (while (< count 0)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	258 (let ((pos (point)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	259 (beginning-of-defun-raw 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	260 (forward-sexp 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	261 (forward-line 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	262 (if (>= (point) pos)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	263 (if (beginning-of-defun-raw 2)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	264 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	265 (forward-list 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	266 (skip-chars-forward " \t")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	267 (if (looking-at "\\s<\\\|\n")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	268 (forward-line 1)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	269 (goto-char (point-min)))))
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	270 (setq count (1+ count))))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	271
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	272 (defun mark-defun ()
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	273 "Put mark at end of this defun, point at beginning.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	274 The defun marked is the one that contains point or follows point."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	275 (interactive)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	276 (push-mark (point))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	277 (end-of-defun)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	278 (push-mark (point) nil t)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	279 (beginning-of-defun)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	280 (re-search-backward "^\n" (- (point) 1) t))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	281
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	282 (defun narrow-to-defun (&optional arg)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	283 "Make text outside current defun invisible.
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	284 The defun visible is the one that contains point or follows point.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	285 Optional ARG is currently ignored."
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	286 (interactive)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	287 (save-excursion
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	288 (widen)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	289 (end-of-defun)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	290 (let ((end (point)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	291 (beginning-of-defun)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	292 (narrow-to-region (point) end))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	293
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	294 (defun insert-parentheses (count)
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	295 "Enclose following COUNT sexps in parentheses. Leave point after open-paren.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	296 A negative COUNT encloses the preceding -COUNT sexps instead.
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	297 COUNT defaults to zero: just insert `()' and leave point between.
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	298 If `parens-require-spaces' is non-nil, this command also inserts a space
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	299 before and after, depending on the surrounding characters."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	300 (interactive "P")
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	301 (if count (setq count (prefix-numeric-value count))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	302 (setq count 0))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	303 (cond ((> count 0) (skip-chars-forward " \t"))
4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	304 ((< count 0) (forward-sexp count) (setq count (- count))))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	305 (and parens-require-spaces
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	306 (not (bobp))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	307 (memq (char-syntax (char-before (point))) '(?w ?_ ?\) ))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	308 (insert " "))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	309 (insert ?\()
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	310 (save-excursion
4726 4bbda1c11a7b Improve argument names and update docstrings. Stephen J. Turnbull <stephen@xemacs.org> parents: 4724 diff changeset	311 (or (eq count 0) (forward-sexp count))
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	312 (insert ?\))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	313 (and parens-require-spaces
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	314 (not (eobp))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	315 (memq (char-syntax (char-after (point))) '(?w ?_ ?\( ))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	316 (insert " "))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	317
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	318 (defun move-past-close-and-reindent ()
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	319 "Move past next `)', delete indentation before it, then indent after it."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	320 (interactive)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	321 (up-list 1)
446 1ccc32a20af4 Import from CVS: tag r21-2-38 cvs parents: 444 diff changeset	322 (backward-char 1)
428 3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	323 (while (save-excursion ; this is my contribution
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	324 (let ((before-paren (point)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	325 (back-to-indentation)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	326 (= (point) before-paren)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	327 (delete-indentation))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	328 (forward-char 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	329 (newline-and-indent))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	330
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	331 (defun lisp-complete-symbol ()
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	332 "Perform completion on Lisp symbol preceding point.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	333 Compare that symbol against the known Lisp symbols.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	334
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	335 The context determines which symbols are considered.
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	336 If the symbol starts just after an open-parenthesis, only symbols
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	337 with function definitions are considered. Otherwise, all symbols with
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	338 function definitions, values or properties are considered."
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	339 (interactive)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	340 (let* ((end (point))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	341 (buffer-syntax (syntax-table))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	342 (beg (unwind-protect
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	343 (save-excursion
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	344 ;; XEmacs change
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	345 (if emacs-lisp-mode-syntax-table
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	346 (set-syntax-table emacs-lisp-mode-syntax-table))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	347 (backward-sexp 1)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	348 (while (eq (char-syntax (char-after (point))) ?\')
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	349 (forward-char 1))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	350 (point))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	351 (set-syntax-table buffer-syntax)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	352 (pattern (buffer-substring beg end))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	353 (predicate
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	354 (if (eq (char-after (1- beg)) ?\()
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	355 'fboundp
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	356 ;; XEmacs change
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	357 #'(lambda (sym)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	358 (or (boundp sym) (fboundp sym)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	359 (symbol-plist sym)))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	360 (completion (try-completion pattern obarray predicate)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	361 (cond ((eq completion t))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	362 ((null completion)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	363 (message "Can't find completion for \"%s\"" pattern)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	364 (ding))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	365 ((not (string= pattern completion))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	366 (delete-region beg end)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	367 (insert completion))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	368 (t
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	369 (message "Making completion list...")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	370 (let ((list (all-completions pattern obarray predicate))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	371 ;FSFmacs crock unnecessary in XEmacs
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	372 ;see minibuf.el
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	373 ;(completion-fixup-function
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	374 ; (function (lambda () (if (save-excursion
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	375 ; (goto-char (max (point-min)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	376 ; (- (point) 4)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	377 ; (looking-at " <f>"))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	378 ; (forward-char -4))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	379 )
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	380 (or (eq predicate 'fboundp)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	381 (let (new)
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	382 (while list
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	383 (setq new (cons (if (fboundp (intern (car list)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	384 (list (car list) " <f>")
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	385 (car list))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	386 new))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	387 (setq list (cdr list)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	388 (setq list (nreverse new))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	389 (with-output-to-temp-buffer "Completions"
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	390 (display-completion-list list)))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	391 (message "Making completion list...%s" "done")))))
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	392
3ecd8885ac67 Import from CVS: tag r21-2-22 cvs parents: diff changeset	393 ;;; lisp.el ends here

Mercurial > hg > xemacs-beta

annotate lisp/lisp.el @ 5448:89331fa1c819