ceph/src/boost/libs/spirit/example/qi/compiler_tutorial/mini_c/expression.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 =============================================================================*/
   7 #if !defined(BOOST_SPIRIT_MINIC_EXPRESSION_HPP)
   8 #define BOOST_SPIRIT_MINIC_EXPRESSION_HPP
   9
  10 ///////////////////////////////////////////////////////////////////////////////
  11 // Spirit v2.5 allows you to suppress automatic generation
  12 // of predefined terminals to speed up complation. With
  13 // BOOST_SPIRIT_NO_PREDEFINED_TERMINALS defined, you are
  14 // responsible in creating instances of the terminals that
  15 // you need (e.g. see qi::uint_type uint_ below).
  16 #define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
  17 ///////////////////////////////////////////////////////////////////////////////
  18
  19 ///////////////////////////////////////////////////////////////////////////////
  20 // Uncomment this if you want to enable debugging
  21 // #define BOOST_SPIRIT_QI_DEBUG
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 #include <boost/spirit/include/qi.hpp>
  25 #include "ast.hpp"
  26 #include "error_handler.hpp"
  27 #include "skipper.hpp"
  28 #include <vector>
  29
  30 namespace client { namespace parser
  31 {
  32     namespace qi = boost::spirit::qi;
  33     namespace ascii = boost::spirit::ascii;
  34
  35     ///////////////////////////////////////////////////////////////////////////////
  36     //  The expression grammar
  37     ///////////////////////////////////////////////////////////////////////////////
  38     template <typename Iterator>
  39     struct expression : qi::grammar<Iterator, ast::expression(), skipper<Iterator> >
  40     {
  41         expression(error_handler<Iterator>& error_handler);
  42
  43         qi::rule<Iterator, ast::expression(), skipper<Iterator> >
  44             expr, equality_expr, relational_expr,
  45             logical_or_expr, logical_and_expr,
  46             additive_expr, multiplicative_expr
  47             ;
  48
  49         qi::rule<Iterator, ast::operand(), skipper<Iterator> >
  50             unary_expr, primary_expr
  51             ;
  52
  53         qi::rule<Iterator, ast::function_call(), skipper<Iterator> >
  54             function_call
  55             ;
  56
  57         qi::rule<Iterator, std::list<ast::expression>(), skipper<Iterator> >
  58             argument_list
  59             ;
  60
  61         qi::rule<Iterator, std::string(), skipper<Iterator> >
  62             identifier
  63             ;
  64
  65         qi::symbols<char, ast::optoken>
  66             logical_or_op, logical_and_op,
  67             equality_op, relational_op,
  68             additive_op, multiplicative_op, unary_op
  69             ;
  70
  71         qi::symbols<char>
  72             keywords
  73             ;
  74     };
  75 }}
  76
  77 #endif
  78
  79