1 2 #if !defined(BOOST_PP_IS_ITERATING) 3 4 ///// header body 5 6 #ifndef BOOST_MPL_APPLY_FWD_HPP_INCLUDED 7 #define BOOST_MPL_APPLY_FWD_HPP_INCLUDED 8 9 // Copyright Aleksey Gurtovoy 2000-2004 10 // 11 // Distributed under the Boost Software License, Version 1.0. 12 // (See accompanying file LICENSE_1_0.txt or copy at 13 // http://www.boost.org/LICENSE_1_0.txt) 14 // 15 // See http://www.boost.org/libs/mpl for documentation. 16 17 // $Id: apply_fwd.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ 18 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ 19 // $Revision: 49267 $ 20 21 #if !defined(BOOST_MPL_PREPROCESSING_MODE) 22 # include <boost/mpl/aux_/na.hpp> 23 #endif 24 25 #include <boost/mpl/aux_/config/use_preprocessed.hpp> 26 27 #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ 28 && !defined(BOOST_MPL_PREPROCESSING_MODE) 29 30 # define BOOST_MPL_PREPROCESSED_HEADER apply_fwd.hpp 31 # include <boost/mpl/aux_/include_preprocessed.hpp> 32 33 #else 34 35 # include <boost/mpl/limits/arity.hpp> 36 # include <boost/mpl/aux_/preprocessor/params.hpp> 37 # include <boost/mpl/aux_/preprocessor/default_params.hpp> 38 # include <boost/mpl/aux_/config/ctps.hpp> 39 # include <boost/mpl/aux_/nttp_decl.hpp> 40 41 # include <boost/preprocessor/comma_if.hpp> 42 # include <boost/preprocessor/iterate.hpp> 43 # include <boost/preprocessor/cat.hpp> 44 45 // agurt, 15/jan/02: top-level 'apply' template gives an ICE on MSVC 46 // (for known reasons) 47 #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) 48 # define BOOST_MPL_CFG_NO_APPLY_TEMPLATE 49 #endif 50 51 namespace boost { namespace mpl { 52 53 // local macro, #undef-ined at the end of the header 54 # define AUX778076_APPLY_DEF_PARAMS(param, value) \ 55 BOOST_MPL_PP_DEFAULT_PARAMS( \ 56 BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ 57 , param \ 58 , value \ 59 ) \ 60 /**/ 61 62 # define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \ 63 BOOST_PP_COMMA_IF(n) \ 64 BOOST_MPL_PP_PARAMS(n, param) \ 65 /**/ 66 67 # if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) 68 69 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) 70 // forward declaration 71 template< 72 typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na) 73 > 74 struct apply; 75 #else 76 namespace aux { 77 template< BOOST_AUX_NTTP_DECL(int, arity_) > struct apply_chooser; 78 } 79 #endif 80 81 # endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE 82 83 #define BOOST_PP_ITERATION_PARAMS_1 \ 84 (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_fwd.hpp>)) 85 #include BOOST_PP_ITERATE() 86 87 88 # undef AUX778076_APPLY_N_COMMA_PARAMS 89 # undef AUX778076_APPLY_DEF_PARAMS 90 91 }} 92 93 #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS 94 #endif // BOOST_MPL_APPLY_FWD_HPP_INCLUDED 95 96 ///// iteration 97 98 #else 99 #define i_ BOOST_PP_FRAME_ITERATION(1) 100 101 template< 102 typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) 103 > 104 struct BOOST_PP_CAT(apply,i_); 105 106 #undef i_ 107 #endif // BOOST_PP_IS_ITERATING 108