/usr/share/cafeobj-1.5/lib/identical.cafe is in cafeobj 1.5.7-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | ** -*- Mode:CafeOBJ -*-
** system: Chaos
** module: library
** file: identical.mod
**
** 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
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
** 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.
**
** -------------------------------------------------------------
--
-- NOTE: You may need to modify `setup-identical' if you change
-- the definition of module IDENTICAL
--
lispq
(when (fboundp 'setup-identical) (fmakunbound 'chaos-float-tram-interface))
lispq
(defun setup-identical ()
(let ((id-opinfo nil)
(nid-opinfo nil))
(setf *IDENTICAL-module* (eval-modexp "IDENTICAL"))
(with-in-module (*identical-module*)
(setf id-opinfo (find-operator '("_" "===" "_")
2
*identical-module*))
(setf *identical*
(lowest-method* (car (opinfo-methods id-opinfo))))
(setf nid-opinfo (find-operator '("_" "=/==" "_") 2 *identical-module*))
(setf *nonidentical*
(lowest-method* (car (opinfo-methods nid-opinfo))))
)))
** allow using universal sorts
set sys universal-sort on
** we want to be very explicit here
lispq
(progn
(setq *include-bool-save* *include-bool*)
(setq *include-bool* nil))
**
** IDENTICAL
**
sys:mod! IDENTICAL
principal-sort Bool
{
imports {
protecting (BOOL)
}
signature {
pred _===_ : *Universal* *Universal* { strat: (0) prec: 51 }
pred _=/==_ : *Universal* *Universal* { strat: (0) prec: 51 }
}
axioms {
var XU : *Universal*
var YU : *Universal*
eq XU === YU = #!! (coerce-to-bool (term-is-similar? xu yu)) .
eq XU =/== YU = #!! (coerce-to-bool (not (term-is-similar? xu yu))) .
}
}
** setting up
lispq
(setup-identical)
lispq
(setup-tram-bool-modules)
lispq
(init-builtin-universal)
**
set sys universal-sort off
lispq
(setq *include-bool* *include-bool-save*)
**
protect IDENTICAL
provide identical
**
eof
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