xemacs-beta: lisp/tl/emu.el comparison

comparison lisp/tl/emu.el @ 70:131b0175ea99 r20-0b30

Import from CVS: tag r20-0b30

author	cvs
date	Mon, 13 Aug 2007 09:02:59 +0200
parents	e04119814345
children	54cc21c15cbb

comparison

equal deleted inserted replaced

-:804d1389bcd6
+:131b0175ea99
 ;;; emu.el --- Emulation module for each Emacs variants
-;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu.el,v 1.4 1997/03/16 05:55:39 steve Exp $
+;; Version: $Id: emu.el,v 1.1.1.1 1996/12/18 22:43:38 steve Exp $
-;; Keywords: emulation, compatibility, NEmacs, MULE, Emacs/mule, XEmacs
+;; Keywords: emulation, compatibility, NEmacs, MULE, XEmacs
-;; This file is part of emu.
+;; This file is part of tl (Tiny Library).
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU General Public License as
 ;; published by the Free Software Foundation; either version 2, or (at
 ;; your option) any later version.
 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 ;; Boston, MA 02111-1307, USA.
 ;;; Code:
-(defmacro defun-maybe (name &rest everything-else)
-(or (and (fboundp name)
-	   (not (get name 'defun-maybe))
-	   )
-(` (or (fboundp (quote (, name)))
-	     (progn
-	       (defun (, name) (,@ everything-else))
-	       (put (quote (, name)) 'defun-maybe t)
-	       ))
-	 )))
-(defmacro defmacro-maybe (name &rest everything-else)
-(or (and (fboundp name)
-	   (not (get name 'defmacro-maybe))
-	   )
-(` (or (fboundp (quote (, name)))
-	     (progn
-	       (defmacro (, name) (,@ everything-else))
-	       (put (quote (, name)) 'defmacro-maybe t)
-	       ))
-	 )))
-(put 'defun-maybe 'lisp-indent-function 'defun)
-(put 'defmacro-maybe 'lisp-indent-function 'defun)
 (or (boundp 'emacs-major-version)
 (defconst emacs-major-version (string-to-int emacs-version)))
 (or (boundp 'emacs-minor-version)
 (defconst emacs-minor-version
 )
 (t
 ;; for EMACS 19 and XEmacs 19 (without mule)
 (require 'emu-e19)
 ))
+;;; @ binary access
+;;;
+(defun insert-binary-file-contents-literally
+(filename &optional visit beg end replace)
+"Like `insert-file-contents-literally', q.v., but don't code conversion.
+A buffer may be modified in several ways after reading into the buffer due
+to advanced Emacs features, such as file-name-handlers, format decoding,
+find-file-hooks, etc.
+This function ensures that none of these modifications will take place.
+\[emu.el]"
+(as-binary-input-file
+(insert-file-contents-literally filename visit beg end replace)
+))
 ;;; @ MIME charset
 ;;;
 		(setq rest (cdr rest))
 		)))
 	  default-mime-charset)))
-;;; @ Emacs 19.29 emulation
+;;; @ EMACS 19.29 emulation
 ;;;
 (defvar path-separator ":"
 "Character used to separate concatenated paths.")
-(defun-maybe buffer-substring-no-properties (start end)
+(or (fboundp 'buffer-substring-no-properties)
-"Return the characters of part of the buffer, without the text properties.
+(defun buffer-substring-no-properties (beg end)
-The two arguments START and END are character positions;
+"Return the text from BEG to END, without text properties, as a string.
-they can be in either order. [Emacs 19.29 emulating function]"
+\[emu.el; EMACS 19.29 emulating function]"
-(let ((string (buffer-substring start end)))
+(let ((string (buffer-substring beg end)))
-(set-text-properties 0 (length string) nil string)
+(tl:set-text-properties 0 (length string) nil string)
-string))
+	string))
+)
-(defun-maybe match-string (num &optional string)
-"Return string of text matched by last search.
-NUM specifies which parenthesized expression in the last regexp.
-Value is nil if NUMth pair didn't match, or there were less than NUM pairs.
-Zero means the entire text matched by the whole regexp or whole string.
-STRING should be given if the last search was by `string-match' on STRING.
-\[Emacs 19.29 emulating function]"
-(if (match-beginning num)
-(if string
-	  (substring string (match-beginning num) (match-end num))
-	(buffer-substring (match-beginning num) (match-end num)))))
 (or running-emacs-19_29-or-later
 running-xemacs
 ;; for Emacs 19.28 or earlier
 (fboundp 'si:read-string)
 See `read-from-minibuffer' for details of HISTORY argument."
 	(si:read-string prompt initial-input)
 	)
 ))
+(or (fboundp 'add-to-list)
-;;; @ Emacs 19.30 emulation
+;; This function was imported Emacs 19.30.
-;;;
+(defun add-to-list (list-var element)
+"Add to the value of LIST-VAR the element ELEMENT if it isn't there yet.
-;; This function was imported Emacs 19.30.
-(defun-maybe add-to-list (list-var element)
-"Add to the value of LIST-VAR the element ELEMENT if it isn't there yet.
 If you want to use `add-to-list' on a variable that is not defined
 until a certain package is loaded, you should put the call to `add-to-list'
 into a hook function that will be run only after loading the package.
-\[Emacs 19.30 emulating function]"
+\[emu.el; EMACS 19.30 emulating function]"
 (or (member element (symbol-value list-var))
-(set list-var (cons element (symbol-value list-var)))
+	  (set list-var (cons element (symbol-value list-var)))))
-))
+)
+;;; @ EMACS 19.30 emulation
+;;;
 (cond ((fboundp 'insert-file-contents-literally)
 )
 ((boundp 'file-name-handler-alist)
 (defun insert-file-contents-literally
 	 "Like `insert-file-contents', q.v., but only reads in the file.
 A buffer may be modified in several ways after reading into the buffer due
 to advanced Emacs features, such as file-name-handlers, format decoding,
 find-file-hooks, etc.
 This function ensures that none of these modifications will take place.
-\[Emacs 19.30 emulating function]"
+\[emu.el; Emacs 19.30 emulating function]"
 	 (let (file-name-handler-alist)
 	   (insert-file-contents filename visit beg end replace)
 	   ))
 )
 (t
 (defalias 'insert-file-contents-literally 'insert-file-contents)
 ))
-;;; @ Emacs 19.31 emulation
+;;; @ EMACS 19.31 emulation
 ;;;
-(defun-maybe buffer-live-p (object)
+(or (fboundp 'buffer-live-p)
-"Return non-nil if OBJECT is a buffer which has not been killed.
+(defun buffer-live-p (object)
+"Return non-nil if OBJECT is a buffer which has not been killed.
 Value is nil if OBJECT is not a buffer or if it has been killed.
-\[Emacs 19.31 emulating function]"
+\[emu.el; EMACS 19.31 emulating function]"
 (and object
-(get-buffer object)
+	   (get-buffer object)
-(buffer-name (get-buffer object))
+	   (buffer-name (get-buffer object))
-))
+	   ))
+)
-;; This macro was imported Emacs 19.33.
-(defmacro-maybe save-selected-window (&rest body)
+(or (fboundp 'save-selected-window)
-"Execute BODY, then select the window that was selected before BODY.
+;; This function was imported Emacs 19.33.
-\[Emacs 19.31 emulating function]"
+(defmacro save-selected-window (&rest body)
-(list 'let
+"Execute BODY, then select the window that was selected before BODY.
-	'((save-selected-window-window (selected-window)))
+\[emu.el; EMACS 19.31 emulating function]"
-	(list 'unwind-protect
+(list 'let
-	      (cons 'progn body)
+	    '((save-selected-window-window (selected-window)))
-	      (list 'select-window 'save-selected-window-window))))
+	    (list 'unwind-protect
+		  (cons 'progn body)
+		  (list 'select-window 'save-selected-window-window))))
+)
 ;;; @ XEmacs emulation
 ;;;
-(defun-maybe functionp (obj)
+(or (fboundp 'functionp)
-"Returns t if OBJ is a function, nil otherwise.
+(defun functionp (obj)
-\[XEmacs emulating function]"
+"Returns t if OBJ is a function, nil otherwise.
-(or (subrp obj)
+\[emu.el; XEmacs emulating function]"
-(byte-code-function-p obj)
+(or (subrp obj)
-(and (symbolp obj)(fboundp obj))
+	  (byte-code-function-p obj)
-(and (consp obj)(eq (car obj) 'lambda))
+	  (and (symbolp obj)(fboundp obj))
-))
+	  (and (consp obj)(eq (car obj) 'lambda))
+	  ))
+)
 ;;; @ for XEmacs 20
 ;;;
 (or (fboundp 'char-int)

Mercurial > hg > xemacs-beta

comparison lisp/tl/emu.el @ 70:131b0175ea99 r20-0b30