ceph/src/boost/libs/phoenix/include/boost/phoenix/function/adapt_callable.hpp

   1 /*==============================================================================
   2     Copyright (c) 2005-2010 Joel de Guzman
   3     Copyright (c) 2011 Thomas Heller
   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_FUNCTION_ADAPT_CALLABLE_HPP
   9 #define BOOST_PHOENIX_FUNCTION_ADAPT_CALLABLE_HPP
  10
  11 #include <boost/phoenix/core/limits.hpp>
  12 #include <boost/phoenix/core/detail/function_eval.hpp>
  13 #include <boost/preprocessor/repetition/repeat.hpp>
  14
  15 #define BOOST_PHOENIX_ADAPT_CALLABLE_NULLARY(NAME, FUNC)                        \
  16     inline                                                                      \
  17     boost::phoenix::detail::expression::function_eval<FUNC>::type const         \
  18     NAME()                                                                      \
  19     {                                                                           \
  20         return boost::phoenix::detail::expression::                             \
  21                 function_eval<FUNC>::make(FUNC());                              \
  22     }                                                                           \
  23 /**/
  24
  25
  26 #define BOOST_PHOENIX_ADAPT_CALLABLE(NAME, FUNC, N)                             \
  27     template <BOOST_PHOENIX_typename_A(N)>                                      \
  28     inline                                                                      \
  29     typename                                                                    \
  30         boost::phoenix::detail::expression::function_eval<                      \
  31             FUNC                                                                \
  32           , BOOST_PHOENIX_A(N)>::type const                                     \
  33     NAME(BOOST_PHOENIX_A_const_ref_a(N))                                        \
  34     {                                                                           \
  35         return boost::phoenix::detail::expression::                             \
  36             function_eval<FUNC, BOOST_PHOENIX_A(N)>::                           \
  37                 make(FUNC(), BOOST_PHOENIX_a(N));                               \
  38     }                                                                           \
  39 /**/
  40
  41
  42 #define BOOST_PHOENIX_ADAPT_CALLABLE_VARARG(NAME, FUNC)                         \
  43     BOOST_PHOENIX_ADAPT_CALLABLE_NULLARY(NAME, FUNC)                            \
  44     BOOST_PP_REPEAT_FROM_TO(                                                    \
  45         1                                                                       \
  46       , BOOST_PHOENIX_LIMIT                                                     \
  47       , BOOST_PHOENIX_ADAPT_CALLABLE_VARARG_R                                   \
  48       , (NAME, FUNC)                                                            \
  49     )                                                                           \
  50 /**/
  51
  52 #define BOOST_PHOENIX_ADAPT_CALLABLE_VARARG_R(Z, N, D)                          \
  53     BOOST_PHOENIX_ADAPT_CALLABLE(                                               \
  54         BOOST_PP_TUPLE_ELEM(2, 0, D)                                            \
  55       , BOOST_PP_TUPLE_ELEM(2, 1, D)                                            \
  56       , N                                                                       \
  57     )                                                                           \
  58 /**/
  59
  60 #endif