/*============================================================================= | |
Copyright (c) 2001-2007 Joel de Guzman | |
Distributed under the Boost Software License, Version 1.0. (See accompanying | |
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
==============================================================================*/ | |
#ifndef PHOENIX_OBJECT_CONSTRUCT_HPP | |
#define PHOENIX_OBJECT_CONSTRUCT_HPP | |
#include <boost/spirit/home/phoenix/core/compose.hpp> | |
#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp> | |
namespace boost { namespace phoenix | |
{ | |
namespace detail | |
{ | |
template <typename T> | |
struct construct_eval | |
{ | |
template <typename Env, | |
BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT( | |
PHOENIX_COMPOSITE_LIMIT, typename T, fusion::void_)> | |
struct result | |
{ | |
typedef T type; | |
}; | |
template <typename RT, typename Env> | |
static RT | |
eval(Env const& env) | |
{ | |
return RT(); | |
} | |
template <typename RT, typename Env, typename A0> | |
static RT | |
eval(Env const& env, A0& _0) | |
{ | |
return RT(_0.eval(env)); | |
} | |
template <typename RT | |
, typename Env, typename A0, typename A1> | |
static RT | |
eval(Env const& env, A0& _0, A1& _1) | |
{ | |
return RT(_0.eval(env), _1.eval(env)); | |
} | |
// Bring in the rest of the evals | |
#include <boost/spirit/home/phoenix/object/detail/construct_eval.hpp> | |
}; | |
} | |
template <typename T> | |
inline actor<typename as_composite<detail::construct_eval<T> >::type> | |
construct() | |
{ | |
return compose<detail::construct_eval<T> >(); | |
} | |
template <typename T, typename A0> | |
inline actor<typename as_composite<detail::construct_eval<T>, A0>::type> | |
construct(A0 const& _0) | |
{ | |
return compose<detail::construct_eval<T> >(_0); | |
} | |
template <typename T, typename A0, typename A1> | |
inline actor<typename as_composite<detail::construct_eval<T>, A0, A1>::type> | |
construct(A0 const& _0, A1 const& _1) | |
{ | |
return compose<detail::construct_eval<T> >(_0, _1); | |
} | |
// Bring in the rest of the new_ functions | |
#include <boost/spirit/home/phoenix/object/detail/construct.hpp> | |
}} | |
#endif |