-;;; pccl.el --- Portable CCL utility for Mule 1.* and Mule 2.*
+;;; pccl.el --- Portable CCL utility for Mule 2.*
;; Copyright (C) 1998 Free Software Foundation, Inc.
;;; Code:
-(if (featurep 'mule)
- (if (>= emacs-major-version 20)
- ;; for Emacs 20 and XEmacs-mule
- (require 'pccl-20)
- ;; for MULE 1.* and 2.*
- (require 'pccl-om)
- ))
+(require 'broken)
+
+(broken-facility ccl-usable
+ "Emacs has not CCL."
+ (and (featurep 'mule)
+ (if (featurep 'xemacs)
+ (>= emacs-major-version 21)
+ (>= emacs-major-version 19))))
+
+(unless-broken ccl-usable
+ (require 'ccl)
+ (require 'advice)
+
+ (if (featurep 'mule)
+ (if (featurep 'xemacs)
+ (if (>= emacs-major-version 21)
+ ;; for XEmacs 21 with mule
+ (require 'pccl-20))
+ (if (>= emacs-major-version 20)
+ ;; for Emacs 20
+ (require 'pccl-20)
+ ;; for Mule 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