libguile/chars.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_CHARSH
   4 #define SCM_CHARSH
   5 /*      Copyright (C) 1995,1996 Free Software Foundation, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this software; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20  * Boston, MA 02111-1307 USA
  21  *
  22  * As a special exception, the Free Software Foundation gives permission
  23  * for additional uses of the text contained in its release of GUILE.
  24  *
  25  * The exception is that, if you link the GUILE library with other files
  26  * to produce an executable, this does not by itself cause the
  27  * resulting executable to be covered by the GNU General Public License.
  28  * Your use of that executable is in no way restricted on account of
  29  * linking the GUILE library code into it.
  30  *
  31  * This exception does not however invalidate any other reasons why
  32  * the executable file might be covered by the GNU General Public License.
  33  *
  34  * This exception applies only to the code released by the
  35  * Free Software Foundation under the name GUILE.  If you copy
  36  * code from other Free Software Foundation releases into a copy of
  37  * GUILE, as the General Public License permits, the exception does
  38  * not apply to the code that you add in this way.  To avoid misleading
  39  * anyone as to the status of such modified files, you must delete
  40  * this exception notice from them.
  41  *
  42  * If you write modifications of your own for GUILE, it is your choice
  43  * whether to permit this exception to apply to your modifications.
  44  * If you do not wish that, delete this exception notice.  */
  45 \f
  46
  47 #include "libguile/__scm.h"
  48
  49 \f
  50 /* Immediate Characters
  51  */
  52 #define SCM_CHARP(x) (SCM_ITAG8(x) == scm_tc8_char)
  53 #define SCM_CHAR(x) ((unsigned int)SCM_ITAG8_DATA(x))
  54 #define SCM_MAKE_CHAR(x) SCM_MAKE_ITAG8(x, scm_tc8_char)
  55
  56 \f
  57
  58 extern char *const scm_charnames[];
  59 extern int scm_n_charnames;
  60 extern const char scm_charnums[];
  61
  62 \f
  63
  64 extern SCM scm_char_p (SCM x);
  65 extern SCM scm_char_eq_p (SCM x, SCM y);
  66 extern SCM scm_char_less_p (SCM x, SCM y);
  67 extern SCM scm_char_leq_p (SCM x, SCM y);
  68 extern SCM scm_char_gr_p (SCM x, SCM y);
  69 extern SCM scm_char_geq_p (SCM x, SCM y);
  70 extern SCM scm_char_ci_eq_p (SCM x, SCM y);
  71 extern SCM scm_char_ci_less_p (SCM x, SCM y);
  72 extern SCM scm_char_ci_leq_p (SCM x, SCM y);
  73 extern SCM scm_char_ci_gr_p (SCM x, SCM y);
  74 extern SCM scm_char_ci_geq_p (SCM x, SCM y);
  75 extern SCM scm_char_alphabetic_p (SCM chr);
  76 extern SCM scm_char_numeric_p (SCM chr);
  77 extern SCM scm_char_whitespace_p (SCM chr);
  78 extern SCM scm_char_upper_case_p (SCM chr);
  79 extern SCM scm_char_lower_case_p (SCM chr);
  80 extern SCM scm_char_is_both_p (SCM chr);
  81 extern SCM scm_char_to_integer (SCM chr);
  82 extern SCM scm_integer_to_char (SCM n);
  83 extern SCM scm_char_upcase (SCM chr);
  84 extern SCM scm_char_downcase (SCM chr);
  85 extern void scm_tables_prehistory (void);
  86 extern int scm_upcase (unsigned int c);
  87 extern int scm_downcase (unsigned int c);
  88 extern void scm_init_chars (void);
  89
  90 \f
  91
  92 #if (SCM_DEBUG_DEPRECATED == 0)
  93
  94 #define SCM_ICHRP(x) SCM_CHARP(x)
  95 #define SCM_ICHR(x) SCM_CHAR(x)
  96 #define SCM_MAKICHR(x) SCM_MAKE_CHAR(x)
  97
  98 #endif  /* SCM_DEBUG_DEPRECATED == 0 */
  99
 100 #endif  /* SCM_CHARSH */
 101
 102 /*
 103   Local Variables:
 104   c-file-style: "gnu"
 105   End:
 106 */