ceph/src/boost/libs/local_function/include/boost/local_function/aux_/preprocessor/traits/decl_/validate_/this_count.hpp

   1
   2 // Copyright (C) 2009-2012 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0
   4 // (see accompanying file LICENSE_1_0.txt or a copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 // Home at http://www.boost.org/libs/local_function
   7
   8 #ifndef BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_VALIDATE_THIS_COUNT_HPP_
   9 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_VALIDATE_THIS_COUNT_HPP_
  10
  11 #include <boost/local_function/aux_/preprocessor/traits/decl_/set_error.hpp>
  12 #include <boost/local_function/aux_/preprocessor/traits/decl_const_binds.hpp>
  13 #include <boost/local_function/aux_/preprocessor/traits/decl_binds.hpp>
  14 #include <boost/preprocessor/control/iif.hpp>
  15 #include <boost/preprocessor/facilities/empty.hpp>
  16 #include <boost/preprocessor/tuple/eat.hpp>
  17 #include <boost/preprocessor/comparison/greater.hpp>
  18 #include <boost/preprocessor/list/append.hpp>
  19 #include <boost/preprocessor/list/size.hpp>
  20
  21 // PUBLIC //
  22
  23 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_VALIDATE_THIS_COUNT( \
  24         decl_traits) \
  25     BOOST_PP_IIF(BOOST_PP_GREATER(BOOST_PP_LIST_SIZE(BOOST_PP_LIST_APPEND( \
  26             BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
  27                     decl_traits), \
  28             BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES( \
  29                     decl_traits))), \
  30             1), \
  31         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SET_ERROR \
  32     , /* do nothing (keeping previous error, if any) */ \
  33         decl_traits BOOST_PP_TUPLE_EAT(2) \
  34     )(decl_traits, /* trailing `EMPTY` because error might not be present */ \
  35             ERROR_cannot_bind_object_this_multiple_times BOOST_PP_EMPTY)
  36
  37 #endif // #include guard
  38