/Src/Dependencies/Boost/boost/mpl/aux_/count_args.hpp
http://hadesmem.googlecode.com/ · C++ Header · 105 lines · 65 code · 22 blank · 18 comment · 0 complexity · a4a8f1f877598ca07b01742a9e55ee9d MD5 · raw file
- // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
- // Copyright Aleksey Gurtovoy 2000-2004
- //
- // 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/libs/mpl for documentation.
- // $Id: count_args.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
- // $Date: 2008-10-11 17:19:02 +1100 (Sat, 11 Oct 2008) $
- // $Revision: 49267 $
- #include <boost/preprocessor/expr_if.hpp>
- #include <boost/preprocessor/inc.hpp>
- #include <boost/preprocessor/cat.hpp>
- #if !defined(AUX778076_COUNT_ARGS_PARAM_NAME)
- # define AUX778076_COUNT_ARGS_PARAM_NAME T
- #endif
- #if !defined(AUX778076_COUNT_ARGS_TEMPLATE_PARAM)
- # define AUX778076_COUNT_ARGS_TEMPLATE_PARAM typename AUX778076_COUNT_ARGS_PARAM_NAME
- #endif
- // local macros, #undef-ined at the end of the header
- #if !defined(AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES)
- # include <boost/mpl/aux_/preprocessor/repeat.hpp>
- # include <boost/mpl/aux_/preprocessor/params.hpp>
- # define AUX778076_COUNT_ARGS_REPEAT BOOST_MPL_PP_REPEAT
- # define AUX778076_COUNT_ARGS_PARAMS(param) \
- BOOST_MPL_PP_PARAMS( \
- AUX778076_COUNT_ARGS_ARITY \
- , param \
- ) \
- /**/
- #else
- # include <boost/preprocessor/enum_shifted_params.hpp>
- # include <boost/preprocessor/repeat.hpp>
- # include <boost/preprocessor/inc.hpp>
- # define AUX778076_COUNT_ARGS_REPEAT BOOST_PP_REPEAT
- # define AUX778076_COUNT_ARGS_PARAMS(param) \
- BOOST_PP_ENUM_SHIFTED_PARAMS( \
- BOOST_PP_INC(AUX778076_COUNT_ARGS_ARITY) \
- , param \
- ) \
- /**/
- #endif // AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
- #define AUX778076_IS_ARG_TEMPLATE_NAME \
- BOOST_PP_CAT(is_,BOOST_PP_CAT(AUX778076_COUNT_ARGS_PREFIX,_arg)) \
- /**/
- #define AUX778076_COUNT_ARGS_FUNC(unused, i, param) \
- BOOST_PP_EXPR_IF(i, +) \
- AUX778076_IS_ARG_TEMPLATE_NAME<BOOST_PP_CAT(param,BOOST_PP_INC(i))>::value \
- /**/
- // is_<xxx>_arg
- template< AUX778076_COUNT_ARGS_TEMPLATE_PARAM >
- struct AUX778076_IS_ARG_TEMPLATE_NAME
- {
- BOOST_STATIC_CONSTANT(bool, value = true);
- };
- template<>
- struct AUX778076_IS_ARG_TEMPLATE_NAME<AUX778076_COUNT_ARGS_DEFAULT>
- {
- BOOST_STATIC_CONSTANT(bool, value = false);
- };
- // <xxx>_count_args
- template<
- AUX778076_COUNT_ARGS_PARAMS(AUX778076_COUNT_ARGS_TEMPLATE_PARAM)
- >
- struct BOOST_PP_CAT(AUX778076_COUNT_ARGS_PREFIX,_count_args)
- {
- BOOST_STATIC_CONSTANT(int, value = AUX778076_COUNT_ARGS_REPEAT(
- AUX778076_COUNT_ARGS_ARITY
- , AUX778076_COUNT_ARGS_FUNC
- , AUX778076_COUNT_ARGS_PARAM_NAME
- ));
- };
- #undef AUX778076_COUNT_ARGS_FUNC
- #undef AUX778076_IS_ARG_TEMPLATE_NAME
- #undef AUX778076_COUNT_ARGS_PARAMS
- #undef AUX778076_COUNT_ARGS_REPEAT
- #undef AUX778076_COUNT_ARGS_ARITY
- #undef AUX778076_COUNT_ARGS_DEFAULT
- #undef AUX778076_COUNT_ARGS_PREFIX
- #undef AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
- #undef AUX778076_COUNT_ARGS_TEMPLATE_PARAM
- #undef AUX778076_COUNT_ARGS_PARAM_NAME