# /* ************************************************************************** # * * # * (C) Copyright Paul Mensonides 2003. # * (C) Copyright Edward Diener 2014. # * Distributed under the Boost Software License, Version 1.0. (See # * accompanying file LICENSE_1_0.txt or copy at # * http://www.boost.org/LICENSE_1_0.txt) # * * # ************************************************************************** */ # # /* See http://www.boost.org for most recent version. */ # # ifndef MSGPACK_PREPROCESSOR_FACILITIES_IS_EMPTY_HPP # define MSGPACK_PREPROCESSOR_FACILITIES_IS_EMPTY_HPP # # include # # if MSGPACK_PP_VARIADICS # # include # # else # # if ~MSGPACK_PP_CONFIG_FLAGS() & MSGPACK_PP_CONFIG_MSVC() && ~MSGPACK_PP_CONFIG_FLAGS() & MSGPACK_PP_CONFIG_MWCC() # include # include # else # include # include # endif # # /* MSGPACK_PP_IS_EMPTY */ # # if ~MSGPACK_PP_CONFIG_FLAGS() & MSGPACK_PP_CONFIG_MSVC() && ~MSGPACK_PP_CONFIG_FLAGS() & MSGPACK_PP_CONFIG_MWCC() # define MSGPACK_PP_IS_EMPTY(x) MSGPACK_PP_IS_EMPTY_I(x MSGPACK_PP_IS_EMPTY_HELPER) # define MSGPACK_PP_IS_EMPTY_I(contents) MSGPACK_PP_TUPLE_ELEM(2, 1, (MSGPACK_PP_IS_EMPTY_DEF_ ## contents())) # define MSGPACK_PP_IS_EMPTY_DEF_MSGPACK_PP_IS_EMPTY_HELPER 1, MSGPACK_PP_IDENTITY(1) # define MSGPACK_PP_IS_EMPTY_HELPER() , 0 # else # if MSGPACK_PP_CONFIG_FLAGS() & MSGPACK_PP_CONFIG_MSVC() # define MSGPACK_PP_IS_EMPTY(x) MSGPACK_PP_IS_EMPTY_I(MSGPACK_PP_IS_EMPTY_HELPER x ()) # define MSGPACK_PP_IS_EMPTY_I(test) MSGPACK_PP_IS_EMPTY_II(MSGPACK_PP_SPLIT(0, MSGPACK_PP_CAT(MSGPACK_PP_IS_EMPTY_DEF_, test))) # define MSGPACK_PP_IS_EMPTY_II(id) id # else # define MSGPACK_PP_IS_EMPTY(x) MSGPACK_PP_IS_EMPTY_I((MSGPACK_PP_IS_EMPTY_HELPER x ())) # define MSGPACK_PP_IS_EMPTY_I(par) MSGPACK_PP_IS_EMPTY_II ## par # define MSGPACK_PP_IS_EMPTY_II(test) MSGPACK_PP_SPLIT(0, MSGPACK_PP_CAT(MSGPACK_PP_IS_EMPTY_DEF_, test)) # endif # define MSGPACK_PP_IS_EMPTY_HELPER() 1 # define MSGPACK_PP_IS_EMPTY_DEF_1 1, MSGPACK_PP_NIL # define MSGPACK_PP_IS_EMPTY_DEF_MSGPACK_PP_IS_EMPTY_HELPER 0, MSGPACK_PP_NIL # endif # # endif /* MSGPACK_PP_VARIADICS */ # # endif /* MSGPACK_PREPROCESSOR_FACILITIES_IS_EMPTY_HPP */