ceph/src/boost/libs/spirit/example/x3/rexpr/rexpr_full/rexpr/ast.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2015 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_X3_REPR_AST_HPP)
   8 #define BOOST_SPIRIT_X3_REPR_AST_HPP
   9
  10 #include <boost/spirit/home/x3/support/ast/position_tagged.hpp>
  11 #include <boost/spirit/home/x3/support/ast/variant.hpp>
  12
  13 #include <map>
  14
  15 namespace rexpr { namespace ast
  16 {
  17     ///////////////////////////////////////////////////////////////////////////
  18     //  The AST
  19     ///////////////////////////////////////////////////////////////////////////
  20     namespace x3 = boost::spirit::x3;
  21
  22     struct rexpr;
  23
  24     struct rexpr_value : x3::variant<
  25             std::string
  26           , x3::forward_ast<rexpr>
  27         >
  28     {
  29         using base_type::base_type;
  30         using base_type::operator=;
  31     };
  32
  33     typedef std::map<std::string, rexpr_value> rexpr_map;
  34     typedef std::pair<std::string, rexpr_value> rexpr_key_value;
  35
  36     struct rexpr : x3::position_tagged
  37     {
  38         rexpr_map entries;
  39     };
  40 }}
  41
  42 #endif