Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2007 Joel de Guzman
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying 
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: 
Chris@16: #if !BOOST_PHOENIX_IS_ITERATING
Chris@16: 
Chris@16: #ifndef BOOST_PHOENIX_BIND_DETAIL_FUNCTION_PTR_HPP
Chris@16: #define BOOST_PHOENIX_BIND_DETAIL_FUNCTION_PTR_HPP
Chris@16: 
Chris@16: #include <boost/phoenix/core/limits.hpp>
Chris@16: #include <boost/phoenix/support/iterate.hpp>
Chris@16: 
Chris@16: namespace boost { namespace phoenix { namespace detail
Chris@16: {
Chris@16:     template <int N, typename Dummy = void>
Chris@16:     struct function_ptr_impl
Chris@16:     {
Chris@16:         template <typename RT, typename FP>
Chris@16:         struct impl;
Chris@16:     };
Chris@16: 
Chris@16:     template <int N, typename RT, typename FP>
Chris@16:     struct function_ptr : function_ptr_impl<N>::template impl<RT, FP>
Chris@16:     {
Chris@16:         typedef typename function_ptr_impl<N>::template impl<RT, FP> base;
Chris@16: 
Chris@101:         function_ptr(FP fp_)
Chris@101:             : base(fp_) {}
Chris@16:         
Chris@16:         using base::fp;
Chris@16: 
Chris@16:         bool operator==(function_ptr const & rhs) const
Chris@16:         {
Chris@16:             return fp == rhs.fp;
Chris@16:         }
Chris@16: 
Chris@16:         template <int M, typename RhsRT, typename RhsFP>
Chris@101:         bool operator==(function_ptr<M, RhsRT, RhsFP> const & /*rhs*/) const
Chris@16:         {
Chris@16:             return false;
Chris@16:         }
Chris@16: 
Chris@16:     };
Chris@16: 
Chris@16:     template <typename Dummy>
Chris@16:     struct function_ptr_impl<0, Dummy>
Chris@16:     {
Chris@16:         template <typename RT, typename FP>
Chris@16:         struct impl
Chris@16:         {
Chris@16:             typedef RT result_type;
Chris@16: 
Chris@101:             impl(FP fp_)
Chris@101:                 : fp(fp_) {}
Chris@16: 
Chris@16:             RT operator()() const
Chris@16:             {
Chris@16:                 return fp();
Chris@16:             }
Chris@16: 
Chris@16:             FP fp;
Chris@16:         };
Chris@16:     };
Chris@16: 
Chris@16:     template <typename Dummy>
Chris@16:     struct function_ptr_impl<1, Dummy>
Chris@16:     {
Chris@16:         template <typename RT, typename FP>
Chris@16:         struct impl
Chris@16:         {
Chris@16:             typedef RT result_type;
Chris@16: 
Chris@101:             impl(FP fp_)
Chris@101:                 : fp(fp_) {}
Chris@16: 
Chris@16:             template <typename A>
Chris@16:             RT operator()(A &a) const
Chris@16:             {
Chris@16:                 return fp(a);
Chris@16:             }
Chris@16: 
Chris@16:             FP fp;
Chris@16:         };
Chris@16:     };
Chris@16: 
Chris@16: #if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES)
Chris@16:     #include <boost/phoenix/bind/detail/preprocessed/function_ptr.hpp>
Chris@16: #else
Chris@16: 
Chris@16: #if defined(__WAVE__) && defined (BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
Chris@16:     #pragma wave option(preserve: 2, line: 0, output: "preprocessed/function_ptr_" BOOST_PHOENIX_LIMIT_STR ".hpp")
Chris@16: #endif
Chris@16: 
Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2007 Joel de Guzman
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying 
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: 
Chris@16: #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
Chris@16:     #pragma wave option(preserve: 1)
Chris@16: #endif
Chris@16: 
Chris@16: #define BOOST_PHOENIX_ITERATION_PARAMS                                          \
Chris@16:     (3, (2, BOOST_PHOENIX_COMPOSITE_LIMIT,                                      \
Chris@16:     <boost/phoenix/bind/detail/function_ptr.hpp>))
Chris@16: #include BOOST_PHOENIX_ITERATE()
Chris@16: 
Chris@16: #if defined(__WAVE__) && defined (BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
Chris@16:     #pragma wave option(output: null)
Chris@16: #endif
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: }}} // namespace boost::phoenix::detail
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  Preprocessor vertical repetition code
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: #else // defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16:     template <typename Dummy>
Chris@16:     struct function_ptr_impl<BOOST_PHOENIX_ITERATION, Dummy>
Chris@16:     {
Chris@16:         template <typename RT, typename FP>
Chris@16:         struct impl
Chris@16:         {
Chris@16:             typedef RT result_type;
Chris@16: 
Chris@101:             impl(FP fp_)
Chris@101:                 : fp(fp_) {}
Chris@16: 
Chris@16:             template <BOOST_PHOENIX_typename_A>
Chris@16:             RT operator()(BOOST_PHOENIX_A_ref_a) const
Chris@16:             {
Chris@16:                 return fp(BOOST_PHOENIX_a);
Chris@16:             }
Chris@16: 
Chris@16:             FP fp;
Chris@16:         };
Chris@16:     };
Chris@16: 
Chris@16: #endif // defined(BOOST_PP_IS_ITERATING)