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;;; pccl.el --- Portable CCL utility for Mule 1.* and Mule 2.*
;; Copyright (C) 1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Keywords: emulation, compatibility, Mule
;; This file is part of APEL (A Portable Emacs 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.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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.
;;; Code:
(require 'broken)
;; The condition for non-XEmacs mule t may be wrong.
;; But I don't know exact version which introduce CCL on mule.
(broken-facility ccl-usable
"Emacs has CCL."
(and (featurep 'mule)
(if (featurep 'xemacs)
(>= emacs-major-version 21)
t)))
(unless-broken ccl-usable
(require 'ccl)
(require 'advice)
(if (featurep 'mule)
(if (featurep 'xemacs)
(if (>= emacs-major-version 21)
;; for XEmacs-21-mule
(require 'pccl-20))
(if (>= emacs-major-version 20)
;; for Emacs 20
(require 'pccl-20)
;; for MULE 1.* and 2.*
(require 'pccl-om))))
(defadvice define-ccl-program
(before accept-long-ccl-program activate)
"When CCL-PROGRAM is too long, internal buffer is extended automaticaly."
(let ((try-ccl-compile t)
(prog (eval (ad-get-arg 1))))
(ad-set-arg 1 (` '(, prog)))
(while try-ccl-compile
(setq try-ccl-compile nil)
(condition-case sig
(ccl-compile prog)
(args-out-of-range
(if (and (eq (car (cdr sig)) ccl-program-vector)
(= (car (cdr (cdr sig))) (length ccl-program-vector)))
(setq ccl-program-vector
(make-vector (* 2 (length ccl-program-vector)) 0)
try-ccl-compile t)
(signal (car sig) (cdr sig))))))))
)
;;; @ end
;;;
(provide 'pccl)
;;; pccl.el ends here
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