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Resolve the unregistered-CCL-programs-get-garbage-collected problem correctly src/ChangeLog addition: 2009-11-15 Aidan Kehoe <kehoea@parhasard.net> * mule-ccl.c (CCL_CALL_FOR_MAP_INSTRUCTION): Assert that we always have a symbol in this macro. (setup_ccl_program): Ensure we're not allocating unreachable memory in this function; all symbols must have been resolved in a given CCL program before this function is called. (find_ccl_program): New function, return a CCL program with all its symbols resolved if it is valid (possibly allocating memory), Qnil otherwise. (get_ccl_program): New function, exported to other files; call find_ccl_program, and error if it gives nil. (Fccl_program_p): Call find_ccl_program from this function instead of implementing the bulk of it here. (Fccl_execute): Call get_ccl_program instead of implementing the bulk of it here. (Fccl_execute_on_string): Ditto. * mule-ccl.h (Vfont_ccl_encoder_alist): Remove this declaration, it hasn't been used in years. (get_ccl_program): Declare this function. * mule-coding.c (ccl_putprop): Use get_ccl_program on any specified encode or decode CCL program property. (fixed_width_putprop): Ditto. * mule-charset.c (Fmake_charset): Use get_ccl_program on any specified ccl-program. (Fset_charset_ccl_program): Ditto.
author Aidan Kehoe <kehoea@parhasard.net>
date Sun, 15 Nov 2009 16:53:14 +0000
parents 949ac151a10d
children 308d34e9f07d
line wrap: on
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;;; lao.el --- support for Lao -*- coding: iso-2022-7bit; -*-

;; Copyright (C) 1997 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.

;; Keywords: multilingual, Lao

;; This file is part of XEmacs.

;; XEmacs 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.

;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
;; 02111-1307, USA.

;;; Synched up with: Emacs 21.1 (language/lao.el).

;;; Commentary:

;;; Code:

;; Lao script.
;; ISO10646's 0x0E80..0x0EDF are mapped to 0x20..0x7F.
(make-charset 'lao "Lao characters (ISO10646 0E80..0EDF)"
	      '(dimension
		1
		registries ["MuleLao-1"]
		chars 94
		columns 1
		direction l2r
		final ?1
		graphic 0
		short-name "Lao"
		long-name "Lao"
		))

; (make-coding-system
;  'lao 2 ?L
;  "8-bit encoding for ASCII (MSB=0) and LAO (MSB=1)"
;  '(ascii lao nil nil
;    nil nil)
;  '((safe-charsets ascii lao)))

(make-coding-system
 'lao 'iso2022 "Lao"
 '(charset-g0 ascii
   charset-g1 lao
   mnemonic "Lao"
   safe-charsets (ascii lao)
   documentation "8-bit encoding for ASCII (MSB=0) and LAO (MSB=1)"))

(set-language-info-alist
 "Lao" '((charset lao)
	 (coding-system lao)
	 (coding-priority lao)
	 ;; (input-method . "lao")
	 (nonascii-translation . lao)
	 (unibyte-display . lao)
	 (features lao-util)
	 (documentation . t)))

(put-char-table ?(1;(B t use-default-ascent)
(put-char-table ?(1=(B t use-default-ascent)
(put-char-table ?(1?(B t use-default-ascent)
(put-char-table ?(1B(B t use-default-ascent)
(put-char-table ?(1\(B t ignore-relative-composition)

;; Register a function to compose Lao characters.
(put-char-table 'lao
		'(("\\c0\\c9?\\(\\(\\c2\\|\\c3\\)\\c4?\\|\\c4\\)?"
		   . lao-composition-function))
		 composition-function-table)

(provide 'lao)

;;; lao.el ends here