-;;; case-table.el --- code to extend the character set and support case tables
+;;; case-table.el --- code to extend the character set and support case tables -*- lexical-binding: t -*-
;; Copyright (C) 1988, 1994, 2001-2013 Free Software Foundation, Inc.
(describe-vector description)
(help-mode)))))
+(defun case-table-get-table (case-table table)
+ "Return the TABLE of CASE-TABLE.
+TABLE can be `down', `up', `eqv' or `canon'."
+ (let ((slot-nb (cdr (assq table '((up . 0) (canon . 1) (eqv . 2))))))
+ (or (if (eq table 'down) case-table)
+ (char-table-extra-slot case-table slot-nb)
+ ;; Setup all extra slots of CASE-TABLE by temporarily selecting
+ ;; it as the standard case table.
+ (let ((old (standard-case-table)))
+ (unwind-protect
+ (progn
+ (set-standard-case-table case-table)
+ (char-table-extra-slot case-table slot-nb))
+ (or (eq case-table old)
+ (set-standard-case-table old)))))))
+
(defun get-upcase-table (case-table)
"Return the upcase table of CASE-TABLE."
- (or (char-table-extra-slot case-table 0)
- ;; Setup all extra slots of CASE-TABLE by temporarily selecting
- ;; it as the standard case table.
- (let ((old (standard-case-table)))
- (unwind-protect
- (progn
- (set-standard-case-table case-table)
- (char-table-extra-slot case-table 0))
- (or (eq case-table old)
- (set-standard-case-table old))))))
+ (case-table-get-table case-table 'up))
+(make-obsolete 'get-upcase-table 'case-table-get-table "24.4")
(defun copy-case-table (case-table)
(let ((copy (copy-sequence case-table))
indicate left and right delimiters."
(aset table l l)
(aset table r r)
- (let ((up (get-upcase-table table)))
+ (let ((up (case-table-get-table table 'up)))
(aset up l l)
(aset up r r))
;; Clear out the extra slots so that they will be
word constituents."
(aset table uc lc)
(aset table lc lc)
- (let ((up (get-upcase-table table)))
+ (let ((up (case-table-get-table table 'up)))
(aset up uc uc)
(aset up lc uc))
;; Clear out the extra slots so that they will be
It also modifies `standard-syntax-table' to give them the syntax of
word constituents."
(aset table lc lc)
- (let ((up (get-upcase-table table)))
+ (let ((up (case-table-get-table table 'up)))
(aset up uc uc)
(aset up lc uc))
;; Clear out the extra slots so that they will be
word constituents."
(aset table uc lc)
(aset table lc lc)
- (let ((up (get-upcase-table table)))
+ (let ((up (case-table-get-table table 'up)))
(aset up uc uc))
;; Clear out the extra slots so that they will be
;; recomputed from the main (downcase) table and upcase table.
It also modifies `standard-syntax-table'.
SYNTAX should be \" \", \"w\", \".\" or \"_\"."
(aset table c c)
- (let ((up (get-upcase-table table)))
+ (let ((up (case-table-get-table table 'up)))
(aset up c c))
;; Clear out the extra slots so that they will be
;; recomputed from the main (downcase) table and upcase table.
init_casetab_once (void)
{
register int i;
- Lisp_Object down, up;
+ Lisp_Object down, up, eqv;
DEFSYM (Qcase_table, "case-table");
/* Intern this now in case it isn't already done.
for (i = 0; i < 128; i++)
{
+ int c = (i >= 'a' && i <= 'z') ? i + ('A' - 'a') : i;
+ CHAR_TABLE_SET (up, i, make_number (c));
+ }
+
+ eqv = Fmake_char_table (Qcase_table, Qnil);
+
+ for (i = 0; i < 128; i++)
+ {
int c = ((i >= 'A' && i <= 'Z') ? i + ('a' - 'A')
: ((i >= 'a' && i <= 'z') ? i + ('A' - 'a')
: i));
CHAR_TABLE_SET (up, i, make_number (c));
}
- set_char_table_extras (down, 2, Fcopy_sequence (up));
+ set_char_table_extras (down, 2, eqv);
/* Fill in what isn't filled in. */
set_case_table (down, 1);