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GatlasOperator.hpp
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GatlasOperator.hpp
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#ifndef _GATLAS_OPERATOR_HPP_
#define _GATLAS_OPERATOR_HPP_
// Copyright 2010 Chris Jang
//
// This file is part of GATLAS.
//
// GATLAS is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GATLAS is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GATLAS. If not, see <http://www.gnu.org/licenses/>.
#include <ostream>
#include <string>
#include "declare_namespace"
// operators
struct Operator { virtual std::string str() const = 0; };
std::ostream& operator<< (std::ostream& os, const Operator& op);
#define DECL_OPERATOR(TYPE, TOKEN) \
struct TYPE ## Operator : public Operator { std::string str() const; }; \
static const TYPE ## Operator TYPE;
#define DEFN_OPERATOR(TYPE, TOKEN) \
std::string TYPE ## Operator::str() const { return #TOKEN ; }
DECL_OPERATOR(ADD, +)
DECL_OPERATOR(SUB, -)
DECL_OPERATOR(MUL, *)
DECL_OPERATOR(DIV, /)
DECL_OPERATOR(INC, ++)
DECL_OPERATOR(DEC, --)
DECL_OPERATOR(ADDEQ, +=)
DECL_OPERATOR(SUBEQ, -=)
DECL_OPERATOR(MULEQ, *=)
DECL_OPERATOR(DIVEQ, /=)
DECL_OPERATOR(CMPLT, <)
DECL_OPERATOR(CMPGT, >)
DECL_OPERATOR(CMPLTE, <=)
DECL_OPERATOR(CMPGTE, >=)
DECL_OPERATOR(CMPEQ, ==)
DECL_OPERATOR(CMPNE, !=)
DECL_OPERATOR(DEREF, *)
DECL_OPERATOR(ADDOF, &)
}; // namespace
#endif