ceph/src/boost/libs/vmd/include/boost/vmd/detail/assert.hpp

   1
   2 //  (C) Copyright Edward Diener 2011-2015
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6
   7 #if !defined(BOOST_VMD_DETAIL_ASSERT_HPP)
   8 #define BOOST_VMD_DETAIL_ASSERT_HPP
   9
  10 #include <boost/preprocessor/debug/assert.hpp>
  11 #include <boost/preprocessor/variadic/elem.hpp>
  12
  13 #if BOOST_VMD_MSVC
  14
  15 #include <boost/preprocessor/comparison/equal.hpp>
  16 #include <boost/preprocessor/control/if.hpp>
  17 #include <boost/preprocessor/control/iif.hpp>
  18 #include <boost/preprocessor/variadic/size.hpp>
  19 #include <boost/vmd/empty.hpp>
  20
  21 #define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(errstr) \
  22     BOOST_PP_ASSERT(0) \
  23     typedef char errstr[-1]; \
  24 /**/
  25
  26 #define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_DEFAULT(...) \
  27     BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(BOOST_VMD_ASSERT_ERROR) \
  28 /**/
  29
  30 #define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_ERRSTR(...) \
  31     BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(BOOST_PP_VARIADIC_ELEM(1,__VA_ARGS__)) \
  32 /**/
  33
  34 #define BOOST_VMD_DETAIL_ASSERT_TRUE(...) \
  35     BOOST_PP_IIF \
  36         ( \
  37         BOOST_PP_EQUAL \
  38             ( \
  39             BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \
  40             1 \
  41             ), \
  42         BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_DEFAULT, \
  43         BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_ERRSTR \
  44         ) \
  45     (__VA_ARGS__) \
  46 /**/
  47
  48 #define BOOST_VMD_DETAIL_ASSERT(...) \
  49     BOOST_PP_IF \
  50       ( \
  51       BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__), \
  52       BOOST_VMD_EMPTY, \
  53       BOOST_VMD_DETAIL_ASSERT_TRUE \
  54       ) \
  55     (__VA_ARGS__) \
  56 /**/
  57
  58 #else
  59
  60 #define BOOST_VMD_DETAIL_ASSERT_DO(cond) \
  61     BOOST_PP_ASSERT(cond) \
  62 /**/
  63
  64 #define BOOST_VMD_DETAIL_ASSERT(...) \
  65     BOOST_VMD_DETAIL_ASSERT_DO(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \
  66 /**/
  67
  68 #endif /* BOOST_VMD_MSVC */
  69 #endif /* BOOST_VMD_DETAIL_ASSERT_HPP */