**
** Copyright (c) 2000-2015, Toshimi Sawada. All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**
**   * Redistributions in binary form must reproduce the above
**     copyright notice, this list of conditions and the following
**     disclaimer in the documentation and/or other materials
**     provided with the distribution.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
** OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
** GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
sys:mod! CHARACTER
      principal-sort Character
{
  imports {
    protecting (BOOL)
    protecting (NAT)
    protecting (CHAR-VALUE)
  }
  signature {
    op char-code : Character -> Nat { demod prec: 0 }
    op code-char : Nat -> Character { demod prec: 0 }
    op upcase : Character -> Character { demod prec: 0 }
    op downcase : Character -> Character { demod prec: 0 }
    pred graphic-char-p : Character  { demod prec: 0 }
    pred alpha-char-p : Character  { demod prec: 0 }
    pred upper-case-p : Character  { demod prec: 0 }
    pred lower-case-p : Character  { demod prec: 0 }
    pred both-case-p : Character  { demod prec: 0 }
    pred digit-char-p : Character  { demod prec: 0 }
    pred alphanumericp : Character  { demod prec: 0 }
    pred char< : Character Character  { demod prec: 0 }
    pred char> : Character Character  { demod prec: 0 }
    pred char<= : Character Character  { demod prec: 0 }
    pred char>= : Character Character  { demod prec: 0 }
    pred char= : Character Character  { demod prec: 0 }
  }
  axioms {
    var C : Character
    var C2 : Character
    var N : Nat
    eq [:BDEMOD]: char-code(C) = #! (char-code c) .
    ceq code-char(N) = #! (code-char n) if (N <= 255) .
    eq [:BDEMOD]: upcase(C) = #! (char-upcase c) .
    eq [:BDEMOD]: downcase(C) = #! (char-downcase c) .
    eq [:BDEMOD]: graphic-char-p(C) = #! (graphic-char-p c) .
    eq [:BDEMOD]: alpha-char-p(C) = #! (alpha-char-p c) .
    eq [:BDEMOD]: upper-case-p(C) = #! (upper-case-p c) .
    eq [:BDEMOD]: lower-case-p(C) = #! (lower-case-p c) .
    eq [:BDEMOD]: both-case-p(C) = #! (both-case-p c) .
    eq [:BDEMOD]: digit-char-p(C) = #! (digit-char-p c) .
    eq [:BDEMOD]: alphanumericp(C) = #! (alphanumericp c) .
    eq [:BDEMOD]: char=(C,C2) = #! (char= c c2) .
    eq [:BDEMOD]: char<(C,C2) = #! (char< c c2) .
    eq [:BDEMOD]: char>(C,C2) = #! (char> c c2) .
    eq [:BDEMOD]: char<=(C,C2) = #! (char<= c c2) .
    eq [:BDEMOD]: char>=(C,C2) = #! (char>= c c2) .
  }
}

lispq
(defun chaos-character-tram-interface ()
  (setq *z-char* (get-z-module-or-panic "CHARACTER"))
  (push *z-char* *tram-builtin-modules*))

lispq
(eval-when (:execute :load-toplevel)
  (chaos-character-tram-interface))

protect CHARACTER
provide character
--
eof

