ceph/src/boost/boost/type_erasure/detail/macro.hpp

   1 // Boost.TypeErasure library
   2 //
   3 // Copyright 2012 Steven Watanabe
   4 //
   5 // Distributed under the Boost Software License Version 1.0. (See
   6 // accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // $Id$
  10
  11 #ifndef BOOST_TYPE_ERASURE_MACRO_HPP_INCLUDED
  12 #define BOOST_TYPE_ERASURE_MACRO_HPP_INCLUDED
  13
  14 #include <boost/preprocessor/dec.hpp>
  15 #include <boost/preprocessor/if.hpp>
  16 #include <boost/preprocessor/comparison/not_equal.hpp>
  17 #include <boost/preprocessor/repetition/repeat.hpp>
  18 #include <boost/preprocessor/seq/for_each.hpp>
  19 #include <boost/preprocessor/seq/pop_back.hpp>
  20 #include <boost/preprocessor/seq/size.hpp>
  21 #include <boost/preprocessor/tuple/eat.hpp>
  22
  23 /** INTERNAL ONLY */
  24 #define BOOST_TYPE_ERASURE_OPEN_NAMESPACE_F(z, data, x) \
  25     namespace x {
  26
  27 /** INTERNAL ONLY */
  28 #define BOOST_TYPE_ERASURE_OPEN_NAMEPACE_I(seq)\
  29     BOOST_PP_SEQ_FOR_EACH(BOOST_TYPE_ERASURE_OPEN_NAMESPACE_F, ~, BOOST_PP_SEQ_POP_BACK(seq))
  30
  31 /** INTERNAL ONLY */
  32 #define BOOST_TYPE_ERASURE_OPEN_NAMESPACE(seq)\
  33     BOOST_PP_IF(BOOST_PP_NOT_EQUAL(BOOST_PP_SEQ_SIZE(seq), 1), BOOST_TYPE_ERASURE_OPEN_NAMEPACE_I, BOOST_PP_TUPLE_EAT(1))(seq)
  34
  35 /** INTERNAL ONLY */
  36 #define BOOST_TYPE_ERASURE_CLOSE_NAMESPACE(seq) \
  37     BOOST_PP_REPEAT(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), } BOOST_PP_TUPLE_EAT(3), ~)
  38
  39 /** INTERNAL ONLY */
  40 #define BOOST_TYPE_ERASURE_QUALIFIED_NAME_F(z, data, x)\
  41     ::x
  42
  43 /** INTERNAL ONLY */
  44 #define BOOST_TYPE_ERASURE_QUALIFIED_NAME(seq) \
  45     BOOST_PP_SEQ_FOR_EACH(BOOST_TYPE_ERASURE_QUALIFIED_NAME_F, ~, seq)
  46
  47 #endif