PExpression.hpp

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/***************************************************************************
 
  PExpression.hpp
 
  Author: Andreas Suter
  e-mail: andreas.suter@psi.ch
 
  Based on Joel de Guzman example on calc7,
  see https://github.com/boostorg/spirit
 
***************************************************************************/
 
/***************************************************************************
 *   Copyright (C) 2023 by Andreas Suter                                   *
 *   andreas.suter@psi.ch                                                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
#ifndef _PEXPRESSION_HPP_
#define _PEXPRESSION_HPP_

// Uncomment this if you want to enable debugging
// #define BOOST_SPIRIT_X3_DEBUG
 
#include <boost/spirit/home/x3.hpp>
#include "PAst.hpp"
#include "PErrorHandler.hpp"
#include "PSkipper.hpp"
#include <vector>
 
namespace mupp { namespace parser
{
    namespace x3 = boost::spirit::x3;
    namespace ascii = boost::spirit::x3::ascii;


 
    // Rule IDs
    struct expr_class;
    struct additive_expr_class;
    struct multiplicative_expr_class;
    struct unary_expr_class;
    struct primary_expr_class;
    struct identifier_class;
 
    // Rule declarations
    typedef x3::rule<expr_class, ast::expression> expr_type;
    typedef x3::rule<additive_expr_class, ast::expression> additive_expr_type;
    typedef x3::rule<multiplicative_expr_class, ast::expression> multiplicative_expr_type;
    typedef x3::rule<unary_expr_class, ast::operand> unary_expr_type;
    typedef x3::rule<primary_expr_class, ast::operand> primary_expr_type;
    typedef x3::rule<identifier_class, std::string> identifier_type;
 
    BOOST_SPIRIT_DECLARE(expr_type, additive_expr_type, multiplicative_expr_type,
                         unary_expr_type, primary_expr_type, identifier_type)
}}
 
#endif // _PEXPRESSION_HPP_