jde / lisp / jde-compat.el

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;;; jde-compat.el -- Integrated Development Environment for Java.

;; Author: Paul Kinnucan <>
;; Maintainer: Paul Kinnucan
;; Keywords: java, tools

;; Copyright (C) 1997, 1998, 2001, 2002 Paul Kinnucan.

;; GNU Emacs 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.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; 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.

;;; Commentary:
;; This library is intended to eliminate compiler warnings caused
;; by reference to variables that are defined only in Emacs or
;; only in XEmacs or in a particular version of either.
;; This library is required only for compilation.

;;; Code:

(defconst jde-xemacsp (string-match "XEmacs" (emacs-version))
  "Non-nil if we are running in the XEmacs environment.")

(defconst jde-xemacs20p (and jde-xemacsp (>= emacs-major-version 20)))

(defconst jde-emacs21p (and (string-match "\\bEmacs\\b" (emacs-version))
			    (>= emacs-major-version 21)))

;; Define XEmacs- and Emacs-only variables 
;; and functions to avoid compiler warnings.
  (if jde-xemacsp
	(defvar w32-start-process-show-window nil)
	(defvar w32-quote-process-args nil)
	(defvar compilation-enter-directory-regexp-alist nil)
	(defvar compilation-leave-directory-regexp-alist nil)
	(defvar compilation-file-regexp-alist nil)
	(defvar compilation-nomessage-regexp-alist nil)
	(defvar last-nonmenu-event nil)
	(defvar tags-table-format-hooks nil)
	(defvar auto-insert nil)
	(defvar message-log-max nil)
	(defun easy-menu-create-menu (&rest args))
	(defun define-key-after (&rest args))
	(defun ange-ftp-ftp-name (&rest args))
	(defun ange-ftp-get-file-entry (&rest args))
	(defun make-overlay (beg end &optional buffer front-advance rear-advance))
	(defun delete-overlay (overlay))
	(defun overlay-start (overlay))
	(defun overlay-end (overlay))
	(defun overlay-lists ())
	(defun event-start (ev))
	(defun posn-point (p))
	(defun posn-window (p))
	(defalias 'frame-char-width 'frame-width)
	(defalias 'frame-char-height 'frame-height))
      ;; These are XEmacs-only functions
      (defvar current-menubar nil)
      (defvar tags-table-format-hooks nil)
      (defvar windowed-process-io nil)
      (defun mswindows-cygwin-to-win32-path (&rest args))
      (defun ange-ftp-ftp-name (&rest args))
      (defun ange-ftp-get-file-entry (&rest args))
      (defun mswindows-cygwin-to-win32-path (&rest args))
      (defun add-submenu (&rest args))
      (defun add-menu (&rest args))
      (defun easy-menu-create-keymaps (&rest args))
      (defun locate-data-directory (&rest args))
      (defun temp-directory (&rest args))
      (defun extent-at (&rest args))
      (defun make-extent (&rest args))
      (defun set-extent-face (&rest args))
      (defun set-extent-priority (&rest args))
      (defun extent-property (&rest args))
      (defun delete-extent (&rest args))
      (defun map-extents (&rest args))
      (defun extent-start-position (&rest args))))
  (if jde-emacs21p
      (defvar browse-url-new-window-p nil))

;; Define XEmacs- and Emacs-only variables 
;; and functions to avoid compiler warnings.
  (if (not jde-xemacsp)
      (defun make-event (&rest args)))
  (if jde-emacs21p
      (defun hscroll-window-column (&rest args)))

;; From custom web page for compatibility between versions of custom:
  (condition-case ()
      (require 'custom)
    (error nil))
  (if (and (featurep 'custom) (fboundp 'custom-declare-variable))
      nil ;; We've got what we needed
    ;; We have the old custom-library, hack around it!
    (defmacro defgroup (&rest args)
    (defmacro defface (var values doc &rest args)
      (` (progn
	   (defvar (, var) (quote (, var)))
	   ;; To make colors for your faces you need to set your .Xdefaults
	   ;; or set them up ahead of time in your .emacs file.
	   (make-face (, var))
    (defmacro defcustom (var value doc &rest args)
      (` (defvar (, var) (, value) (, doc)))))

(provide 'jde-compat)