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