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.