Mercurial > hg > xemacs-beta
view README @ 4697:0d6d0edf1253
lisp beginning-end-of-defun-function Changelog entry
hg diff
diff -r ecc468b62551 lisp/ChangeLog
--- a/lisp/ChangeLog Mon Sep 21 21:40:35 2009 +0200
+++ b/lisp/ChangeLog Tue Sep 22 21:11:51 2009 +0200
@@ -1,3 +1,12 @@ 2009-09-20 Aidan Kehoe <kehoea@parhasa
+2009-09-22 Andreas Roehler <andreas.roehler@online.de>
+
+ * lisp.el (beginning-of-defun-raw):
+ new variable: beginning-of-defun-function,
+ beginning-of-defun may call FUNCTION determining start position
+ * lisp.el (end-of-defun):
+ new variable: end-of-defun-function,
+ end-of-defun may call FUNCTION determining the end position
+
;;;;;;;;;;;;;;;;;;;;;;;;
hg diff -p -r 4695 -r 4696
diff -r fee33ab25966 -r ecc468b62551 lisp/lisp.el
--- a/lisp/lisp.el Sun Sep 20 23:50:05 2009 +0100
+++ b/lisp/lisp.el Mon Sep 21 21:40:35 2009 +0200
@@ -155,6 +155,21 @@ Negative arg -N means kill N sexps after
(interactive "p")
(kill-sexp (- (or arg 1))))
+
+;; derived stuff from GNU Emacs
+(defvar beginning-of-defun-function nil
+ "If non-nil, function for `beginning-of-defun-raw' to call.
+This is used to find the beginning of the defun instead of using the
+normal recipe (see `beginning-of-defun'). Modes can define this
+if defining `defun-prompt-regexp' is not sufficient to handle the mode's
+needs.")
+
+(defvar end-of-defun-function nil
+ "If non-nil, function for `end-of-defun' to call.
+This is used to find the end of the defun instead of using the normal
+recipe (see `end-of-defun'). Modes can define this if the
+normal method is not appropriate.")
+
(defun beginning-of-defun (&optional arg)
"Move backward to the beginning of a defun.
With argument, do it that many times. Negative arg -N
@@ -175,13 +190,17 @@ This is identical to beginning-of-defun,
This is identical to beginning-of-defun, except that point does not move
to the beginning of the line when `defun-prompt-regexp' is non-nil."
(interactive "p")
- (and arg (< arg 0) (not (eobp)) (forward-char 1))
- (and (re-search-backward (if defun-prompt-regexp
- (concat "^\\s(\\|"
- "\\(" defun-prompt-regexp "\\)\\s(")
- "^\\s(")
- nil 'move (or arg 1))
- (progn (goto-char (1- (match-end 0)))) t))
+ ;; (and arg (< arg 0) (not (eobp)) (forward-char 1))
+ (unless arg (setq arg 1))
+ (cond
+ (beginning-of-defun-function
+ (funcall beginning-of-defun-function arg))
+ (t (re-search-backward (if defun-prompt-regexp
+ (concat "^\\s(\\|"
+ "\\(" defun-prompt-regexp "\\)\\s(")
+ "^\\s(")
+ nil 'move (or arg 1))
+ (progn (goto-char (1- (match-end 0)))) t)))
;; XEmacs change (optional buffer parameter)
(defun buffer-end (arg &optional buffer)
@@ -198,6 +217,10 @@ the open-parenthesis that starts a defun
;; XEmacs change (for zmacs regions)
(interactive "_p")
(if (or (null arg) (= arg 0)) (setq arg 1))
+ (if end-of-defun-function
+ (if (> arg 0)
+ (dotimes (i arg)
+ (funcall end-of-defun-function)))
(let ((first t))
(while (and (> arg 0) (< (point) (point-max)))
(let ((pos (point))) ; XEmacs -- remove unused npos.
@@ -229,7 +252,7 @@ the open-parenthesis that starts a defun
(if (looking-at "\\s<\\|\n")
(forward-line 1)))
(goto-char (point-min)))))
- (setq arg (1+ arg)))))
+ (setq arg (1+ arg))))))
(defun mark-defun ()
"Put mark at end of this defun, point at beginning.
author | Andreas Roehler <andreas.roehler@online.de> |
---|---|
date | Tue, 22 Sep 2009 21:14:03 +0200 |
parents | d96db265d893 |
children | 0ef278ff2894 |
line wrap: on
line source
This directory tree holds version 21.5 of XEmacs. The information in this file has been superseded by the XEmacs FAQ. The easiest way to read the FAQ is to go to http://www.xemacs.org/Documentation/21.5/html/xemacs-faq_1.html You can also the local copy of the FAQ inside XEmacs by using use Help->XEmacs FAQ from the menu, or `C-h F'. If you don't have XEmacs running and can't access the web, look directly at `man/xemacs-faq.texi' or `info/xemacs-faq.info'.