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**
** 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.
**
module MODEXPR {
[ Identifier < ModExpr ]
[ Idetifier < ViewMap < ViewArg,
SortMap OpMap < MapList ]
signature {
op _+_ : ModExpr ModExpr -> ModExpr
op _*_ : ModExpr MapList -> ModExpr
op _[_] : ModExpr ViewArg -> ModExpr
attr _+_ : [ assoc comm idem l-assoc prec: 3 ]
attr _*_ : [ l-assoc prec: 2 ]
attr _[_] : [ l-assoc prec: 1 ]
op (sort_->_) : Identifier Identifier -> SortMap
op (op_->_) : Identifier Identifier -> OpMap
op null-map : -> MapList
op _,_ : MapList MapList -> MapList
attr _,_ : [ assoc comm id: null-map ]
op (view from_to_is_) : ModExpr ModExpr MapList -> ViewMap
}
axioms {
vars X Y Z : Identifier
var L : MapList
eq sort X -> Y, L, sort X -> Z
= L, sort X -> Z .
eq op X -> Y, L, op X -> Z
= L, op X -> Z .
}
}
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