ceph/src/boost/boost/phoenix/core/domain.hpp

   1 /*=============================================================================
   2     Copyright (c) 2005-2010 Joel de Guzman
   3     Copyright (c) 2010 Eric Niebler
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #ifndef BOOST_PHOENIX_CORE_DOMAIN_HPP
   9 #define BOOST_PHOENIX_CORE_DOMAIN_HPP
  10
  11 #include <boost/phoenix/core/limits.hpp>
  12 #include <boost/proto/matches.hpp>
  13 #include <boost/proto/transform/call.hpp>
  14 #include <boost/proto/transform/when.hpp>
  15 #include <boost/proto/domain.hpp>
  16
  17 namespace boost { namespace phoenix
  18 {
  19     template <typename Expr>
  20     struct actor;
  21
  22     struct meta_grammar;
  23
  24     struct phoenix_generator
  25         : proto::switch_<phoenix_generator>
  26     {
  27
  28         BOOST_PROTO_USE_BASIC_EXPR()
  29
  30         template<typename Tag>
  31         struct case_
  32             : proto::otherwise<proto::call<proto::pod_generator<actor>(proto::_)> >
  33         {};
  34     };
  35
  36     struct phoenix_default_domain
  37         : proto::domain<
  38            proto::basic_default_generator
  39          , proto::_
  40          , proto::basic_default_domain
  41         >
  42     {
  43         template <typename T>
  44         struct as_child
  45         //: proto_base_domain::as_expr<T> // proto lambda example.
  46           : as_expr<T>
  47         {};
  48     };
  49
  50     struct phoenix_domain
  51         : proto::domain<
  52             phoenix_generator
  53           , meta_grammar
  54           , proto::basic_default_domain
  55         >
  56     {
  57         template <typename T>
  58         struct as_child
  59         //: proto_base_domain::as_expr<T> // proto lambda example.
  60           : as_expr<T>
  61         {};
  62     };
  63 }}
  64
  65 #endif