;;; emu.el --- Emulation module for each Emacs variants
-;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu.el,v 7.48 1997/09/07 02:37:40 morioka Exp $
;; Keywords: emulation, compatibility, NEmacs, MULE, Emacs/mule, XEmacs
;; This file is part of emu.
;;; 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 defsubst-maybe (name &rest everything-else)
- (or (and (fboundp name)
- (not (get name 'defsubst-maybe))
- )
- (` (or (fboundp (quote (, name)))
- (progn
- (defsubst (, name) (,@ everything-else))
- (put (quote (, name)) 'defsubst-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 'defsubst-maybe 'lisp-indent-function 'defun)
-(put 'defmacro-maybe 'lisp-indent-function 'defun)
-
-(defmacro defconst-maybe (name &rest everything-else)
- (or (and (boundp name)
- (not (get name 'defconst-maybe))
- )
- (` (or (boundp (quote (, name)))
- (progn
- (defconst (, name) (,@ everything-else))
- (put (quote (, name)) 'defconst-maybe t)
- ))
- )))
-
-
-(defconst-maybe emacs-major-version (string-to-int emacs-version))
-(defconst-maybe emacs-minor-version
- (string-to-int
- (substring emacs-version
- (string-match (format "%d\\." emacs-major-version)
- emacs-version))))
+(require 'poe)
(defvar running-emacs-18 (<= emacs-major-version 18))
(defvar running-xemacs (string-match "XEmacs" emacs-version))
(or (and running-xemacs-19 (>= emacs-minor-version 14))
running-xemacs-20-or-later))
-(cond (running-mule-merged-emacs
- ;; for mule merged EMACS
- (require 'emu-e20)
+(cond (running-xemacs
+ ;; for XEmacs
+ (defvar mouse-button-1 'button1)
+ (defvar mouse-button-2 'button2)
+ (defvar mouse-button-3 'button3)
+ )
+ ((>= emacs-major-version 19)
+ ;; for tm-7.106
+ (defalias 'tl:make-overlay 'make-overlay)
+ (defalias 'tl:overlay-put 'overlay-put)
+ (defalias 'tl:overlay-buffer 'overlay-buffer)
+
+ (make-obsolete 'tl:make-overlay 'make-overlay)
+ (make-obsolete 'tl:overlay-put 'overlay-put)
+ (make-obsolete 'tl:overlay-buffer 'overlay-buffer)
+
+ ;; mouse
+ (defvar mouse-button-1 [mouse-1])
+ (defvar mouse-button-2 [mouse-2])
+ (defvar mouse-button-3 [down-mouse-3])
)
- (running-xemacs-with-mule
- ;; for XEmacs/mule
- (require 'emu-x20)
+ (t
+ ;; mouse
+ (defvar mouse-button-1 nil)
+ (defvar mouse-button-2 nil)
+ (defvar mouse-button-3 nil)
+ ))
+
+(cond (running-xemacs
+ (if (featurep 'mule)
+ ;; for XEmacs with MULE
+ (require 'emu-x20)
+ ;; for XEmacs without MULE
+ (require 'emu-latin1)
+ ))
+ (running-mule-merged-emacs
+ ;; for Emacs 20.1 and 20.2
+ (require 'emu-e20)
)
((boundp 'MULE)
;; for MULE 1.* and 2.*
(require 'emu-nemacs)
)
(t
- ;; for EMACS 19 and XEmacs 19 (without mule)
- (require 'emu-e19)
+ ;; for Emacs 19
+ (require 'emu-latin1)
))
(while set1
(setq obj (car set1))
(or (memq obj set2)
- (throw 'not-subset nil)
- )
- (setq set1 (cdr set1))
- )
+ (throw 'not-subset nil))
+ (setq set1 (cdr set1)))
t))
- (throw 'tag (cdr cell))
- )
- (setq rest (cdr rest))
- )))
+ (throw 'tag (cdr cell)))
+ (setq rest (cdr rest)))))
default-mime-charset)))
-;;; @ Emacs 19 emulation
+;;; @ Emacs 20.3 emulation
;;;
-(defun-maybe minibuffer-prompt-width ()
- "Return the display width of the minibuffer prompt."
- (save-excursion
- (set-buffer (window-buffer (minibuffer-window)))
- (current-column)
- ))
-
+(defmacro-maybe string-as-unibyte (string)
+ "Return a unibyte string with the same individual bytes as STRING.
+If STRING is unibyte, the result is STRING itself.
+\[Emacs 20.3 emulating macro]"
+ string)
-;;; @ Emacs 19.29 emulation
-;;;
-
-(defvar path-separator ":"
- "Character used to separate concatenated paths.")
-
-(defun-maybe buffer-substring-no-properties (start end)
- "Return the characters of part of the buffer, without the text properties.
-The two arguments START and END are character positions;
-they can be in either order. [Emacs 19.29 emulating function]"
- (let ((string (buffer-substring start end)))
- (set-text-properties 0 (length string) nil 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)
- (progn
- (fset 'si:read-string (symbol-function 'read-string))
-
- (defun read-string (prompt &optional initial-input history)
- "Read a string from the minibuffer, prompting with string PROMPT.
-If non-nil, second arg INITIAL-INPUT is a string to insert before reading.
-The third arg HISTORY, is dummy for compatibility. [emu.el]
-See `read-from-minibuffer' for details of HISTORY argument."
- (si:read-string prompt initial-input)
- )
- ))
-
-
-;;; @ Emacs 19.30 emulation
-;;;
-
-;; 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]"
- (or (member element (symbol-value list-var))
- (set list-var (cons element (symbol-value list-var)))
- ))
-
-(cond ((fboundp 'insert-file-contents-literally)
- )
- ((boundp 'file-name-handler-alist)
- (defun insert-file-contents-literally
- (filename &optional visit beg end replace)
- "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]"
- (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
-;;;
-
-(defun-maybe 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]"
- (and object
- (get-buffer object)
- (buffer-name (get-buffer object))
- ))
-
-;; This macro was imported Emacs 19.33.
-(defmacro-maybe save-selected-window (&rest body)
- "Execute BODY, then select the window that was selected before BODY.
-\[Emacs 19.31 emulating function]"
- (list 'let
- '((save-selected-window-window (selected-window)))
- (list 'unwind-protect
- (cons 'progn body)
- (list 'select-window 'save-selected-window-window))))
+(defmacro-maybe string-as-multibyte (string)
+ "Return a multibyte string with the same individual bytes as STRING.
+If STRING is multibyte, the result is STRING itself.
+\[Emacs 20.3 emulating macro]"
+ string)
;;; @ XEmacs emulation
;;;
-(defun-maybe functionp (obj)
- "Returns t if OBJ is a function, nil otherwise.
-\[XEmacs emulating function]"
- (or (subrp obj)
- (byte-code-function-p obj)
- (and (symbolp obj)(fboundp obj))
- (and (consp obj)(eq (car obj) 'lambda))
- ))
-
(defun-maybe point-at-eol (&optional arg buffer)
"Return the character position of the last character on the current line.
With argument N not nil or 1, move forward N - 1 lines first.
(forward-line (1- arg))
)
(end-of-line)
- (point)
- ))
+ (point)))
;;; @ for XEmacs 20
projects / elisp / apel.git / blobdiff