| |
| // (C) Copyright Tobias Schwinger |
| // |
| // Use modification and distribution are subject to the boost Software License, |
| // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt). |
| |
| //------------------------------------------------------------------------------ |
| |
| // no include guards, this file is intended for multiple inclusion |
| |
| #ifndef NDNBOOST_FT_PREPROCESSING_MODE |
| // input: NDNBOOST_FT_mfp 0 or 1 <=> member function pointer? |
| // input: NDNBOOST_FT_type_name NDNBOOST_FT_type --> "R (* ..._type_name)()" (pass2) |
| #endif |
| // input: NDNBOOST_FT_syntax type macro to use |
| // input: NDNBOOST_FT_cc empty or cc specifier |
| // input: NDNBOOST_FT_ell empty or "..." |
| // input: NDNBOOST_FT_cv empty or cv qualifiers |
| // input: NDNBOOST_FT_flags single decimal integer encoding the flags |
| // output: NDNBOOST_FT_n number of component types (arity+1) |
| // output: NDNBOOST_FT_arity current arity |
| // output: NDNBOOST_FT_type macro that expands to the type |
| // output: NDNBOOST_FT_tplargs(p) template arguments with given prefix |
| // output: NDNBOOST_FT_params(p) parameters with given prefix |
| |
| #ifdef __WAVE__ |
| # pragma wave option(preserve: 0) |
| #endif |
| |
| #ifndef NDNBOOST_FT_ARITY_LOOP_IS_ITERATING |
| |
| # define NDNBOOST_FT_AL_PREPROCESSED \ |
| NDNBOOST_FT_AL_FILE(NDNBOOST_FT_al_path,NDNBOOST_FT_FROM_ARITY,NDNBOOST_FT_mfp) |
| |
| # define NDNBOOST_FT_AL_FILE(base_path,max_arity,mfp) \ |
| NDNBOOST_FT_AL_FILE_I(base_path,max_arity,mfp) |
| # define NDNBOOST_FT_AL_FILE_I(base_path,max_arity,mfp) \ |
| <base_path/arity ## max_arity ## _ ## mfp.hpp> |
| |
| # if !defined(NDNBOOST_FT_PREPROCESSING_MODE) |
| |
| # if NDNBOOST_FT_MAX_ARITY < 10 |
| # define NDNBOOST_FT_FROM_ARITY 0 |
| # elif NDNBOOST_FT_MAX_ARITY < 20 |
| # define NDNBOOST_FT_FROM_ARITY 10 |
| # elif NDNBOOST_FT_MAX_ARITY < 30 |
| # define NDNBOOST_FT_FROM_ARITY 20 |
| # elif NDNBOOST_FT_MAX_ARITY < 40 |
| # define NDNBOOST_FT_FROM_ARITY 30 |
| # endif |
| |
| # if NDNBOOST_FT_FROM_ARITY |
| # include NDNBOOST_FT_AL_PREPROCESSED |
| # endif |
| |
| # elif !defined(NDNBOOST_FT_FROM_ARITY) // single pass preprocessing |
| # define NDNBOOST_FT_FROM_ARITY 0 |
| |
| # elif NDNBOOST_FT_FROM_ARITY > 0 // arity20 includes arity10 |
| NDNBOOST_PP_EXPAND(#) include NDNBOOST_FT_AL_PREPROCESSED |
| # endif |
| |
| # undef NDNBOOST_FT_AL_PREPROCESSED |
| |
| # undef NDNBOOST_FT_AL_FILE |
| # undef NDNBOOST_FT_AL_FILE_I |
| |
| # if NDNBOOST_FT_MAX_ARITY > NDNBOOST_FT_FROM_ARITY |
| |
| # ifndef NDNBOOST_FT_DETAIL_ARITY_LOOP_HPP_INCLUDED |
| # define NDNBOOST_FT_DETAIL_ARITY_LOOP_HPP_INCLUDED |
| # include <ndnboost/preprocessor/cat.hpp> |
| # include <ndnboost/preprocessor/tuple/eat.hpp> |
| # include <ndnboost/preprocessor/control/if.hpp> |
| # include <ndnboost/preprocessor/arithmetic/inc.hpp> |
| # include <ndnboost/preprocessor/facilities/empty.hpp> |
| # include <ndnboost/preprocessor/facilities/expand.hpp> |
| # include <ndnboost/preprocessor/iteration/iterate.hpp> |
| # include <ndnboost/preprocessor/repetition/enum_params.hpp> |
| # include <ndnboost/preprocessor/repetition/enum_shifted_params.hpp> |
| # include <ndnboost/preprocessor/repetition/enum_trailing_params.hpp> |
| # endif |
| |
| # define NDNBOOST_FT_AL_INCLUDE_FILE <NDNBOOST_FT_al_path/master.hpp> |
| |
| # define NDNBOOST_FT_ARITY_LOOP_PREFIX 1 |
| # include NDNBOOST_FT_AL_INCLUDE_FILE |
| # undef NDNBOOST_FT_ARITY_LOOP_PREFIX |
| |
| # if !NDNBOOST_PP_IS_ITERATING |
| # define NDNBOOST_PP_FILENAME_1 NDNBOOST_FT_AL_INCLUDE_FILE |
| # elif NDNBOOST_PP_ITERATION_DEPTH() == 1 |
| # define NDNBOOST_PP_FILENAME_2 NDNBOOST_FT_AL_INCLUDE_FILE |
| # else |
| # error "loops nested too deeply" |
| # endif |
| |
| # define NDNBOOST_FT_arity NDNBOOST_PP_ITERATION() |
| # define NDNBOOST_FT_n NDNBOOST_PP_INC(NDNBOOST_FT_arity) |
| |
| # define NDNBOOST_FT_type \ |
| NDNBOOST_FT_syntax(NDNBOOST_FT_cc,NDNBOOST_FT_type_name NDNBOOST_PP_EMPTY)\ |
| (NDNBOOST_FT_params(NDNBOOST_PP_EMPTY) NDNBOOST_FT_ell) NDNBOOST_FT_cv |
| |
| # define NDNBOOST_FT_tplargs(prefx) \ |
| prefx() R NDNBOOST_PP_ENUM_TRAILING_PARAMS(NDNBOOST_FT_arity,prefx() T) |
| |
| # if !NDNBOOST_FT_mfp |
| |
| # define NDNBOOST_FT_params(prefx) \ |
| NDNBOOST_PP_IF(NDNBOOST_FT_arity,NDNBOOST_PP_ENUM_PARAMS, \ |
| NDNBOOST_FT_nullary_param NDNBOOST_PP_TUPLE_EAT(2))( \ |
| NDNBOOST_FT_arity,prefx() T) |
| # else |
| |
| # define NDNBOOST_FT_params(prefx) \ |
| NDNBOOST_PP_ENUM_SHIFTED_PARAMS(NDNBOOST_FT_arity,prefx() T) |
| |
| # endif |
| |
| # if !NDNBOOST_FT_FROM_ARITY |
| # define NDNBOOST_PP_ITERATION_LIMITS (NDNBOOST_FT_mfp, NDNBOOST_FT_MAX_ARITY) |
| # else |
| # define NDNBOOST_PP_ITERATION_LIMITS \ |
| (NDNBOOST_FT_FROM_ARITY+1, NDNBOOST_FT_MAX_ARITY) |
| # endif |
| |
| # define NDNBOOST_FT_ARITY_LOOP_IS_ITERATING 1 |
| # include NDNBOOST_PP_ITERATE() |
| # undef NDNBOOST_FT_ARITY_LOOP_IS_ITERATING |
| |
| # undef NDNBOOST_FT_arity |
| # undef NDNBOOST_FT_params |
| # undef NDNBOOST_FT_tplargs |
| # undef NDNBOOST_FT_type |
| |
| # define NDNBOOST_FT_ARITY_LOOP_SUFFIX 1 |
| # include NDNBOOST_FT_AL_INCLUDE_FILE |
| # undef NDNBOOST_FT_ARITY_LOOP_SUFFIX |
| |
| # undef NDNBOOST_FT_AL_INCLUDE_FILE |
| # endif |
| |
| # undef NDNBOOST_FT_FROM_ARITY |
| |
| #else |
| # error "attempt to nest arity loops" |
| #endif |
| |