| 1 |  | 
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| 2 | #if !defined(BOOST_PP_IS_ITERATING) | 
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| 3 |  | 
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| 4 | ///// header body | 
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| 5 |  | 
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| 6 | #ifndef BOOST_MPL_APPLY_FWD_HPP_INCLUDED | 
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| 7 | #define BOOST_MPL_APPLY_FWD_HPP_INCLUDED | 
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| 8 |  | 
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| 9 | // Copyright Aleksey Gurtovoy 2000-2004 | 
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| 10 | // | 
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| 11 | // Distributed under the Boost Software License, Version 1.0.  | 
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| 12 | // (See accompanying file LICENSE_1_0.txt or copy at  | 
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| 13 | // http://www.boost.org/LICENSE_1_0.txt) | 
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| 14 | // | 
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| 15 | // See http://www.boost.org/libs/mpl for documentation. | 
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| 16 |  | 
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| 17 | // $Source: /cvsroot/boost/boost/boost/mpl/apply_fwd.hpp,v $ | 
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| 18 | // $Date: 2004/09/02 15:40:41 $ | 
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| 19 | // $Revision: 1.2 $ | 
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| 20 |  | 
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| 21 | #if !defined(BOOST_MPL_PREPROCESSING_MODE) | 
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| 22 | #   include <boost/mpl/aux_/na.hpp> | 
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| 23 | #endif | 
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| 24 |  | 
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| 25 | #include <boost/mpl/aux_/config/use_preprocessed.hpp> | 
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| 26 |  | 
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| 27 | #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ | 
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| 28 |     && !defined(BOOST_MPL_PREPROCESSING_MODE) | 
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| 29 |  | 
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| 30 | #   define BOOST_MPL_PREPROCESSED_HEADER apply_fwd.hpp | 
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| 31 | #   include <boost/mpl/aux_/include_preprocessed.hpp> | 
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| 32 |  | 
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| 33 | #else | 
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| 34 |  | 
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| 35 | #   include <boost/mpl/limits/arity.hpp> | 
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| 36 | #   include <boost/mpl/aux_/preprocessor/params.hpp> | 
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| 37 | #   include <boost/mpl/aux_/preprocessor/default_params.hpp> | 
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| 38 | #   include <boost/mpl/aux_/config/ctps.hpp> | 
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| 39 | #   include <boost/mpl/aux_/nttp_decl.hpp> | 
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| 40 |  | 
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| 41 | #   include <boost/preprocessor/comma_if.hpp> | 
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| 42 | #   include <boost/preprocessor/iterate.hpp> | 
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| 43 | #   include <boost/preprocessor/cat.hpp> | 
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| 44 |  | 
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| 45 | // agurt, 15/jan/02: top-level 'apply' template gives an ICE on MSVC | 
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| 46 | // (for known reasons) | 
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| 47 | #if BOOST_WORKAROUND(BOOST_MSVC, <= 1200) | 
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| 48 | #   define BOOST_MPL_CFG_NO_APPLY_TEMPLATE | 
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| 49 | #endif | 
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| 50 |  | 
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| 51 | namespace boost { namespace mpl { | 
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| 52 |  | 
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| 53 | // local macro, #undef-ined at the end of the header | 
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| 54 | #   define AUX778076_APPLY_DEF_PARAMS(param, value) \ | 
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| 55 |     BOOST_MPL_PP_DEFAULT_PARAMS( \ | 
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| 56 |           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ | 
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| 57 |         , param \ | 
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| 58 |         , value \ | 
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| 59 |         ) \ | 
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| 60 |     /**/ | 
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| 61 |  | 
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| 62 | #   define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \ | 
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| 63 |     BOOST_PP_COMMA_IF(n) \ | 
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| 64 |     BOOST_MPL_PP_PARAMS(n, param) \ | 
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| 65 |     /**/ | 
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| 66 |  | 
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| 67 | #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) | 
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| 68 |  | 
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| 69 | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | 
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| 70 | // forward declaration | 
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| 71 | template< | 
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| 72 |       typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na) | 
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| 73 |     > | 
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| 74 | struct apply; | 
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| 75 | #else | 
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| 76 | namespace aux { | 
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| 77 | template< BOOST_AUX_NTTP_DECL(int, arity_) > struct apply_chooser; | 
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| 78 | } | 
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| 79 | #endif | 
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| 80 |  | 
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| 81 | #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE | 
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| 82 |  | 
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| 83 | #define BOOST_PP_ITERATION_PARAMS_1 \ | 
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| 84 |     (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_fwd.hpp>)) | 
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| 85 | #include BOOST_PP_ITERATE() | 
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| 86 |  | 
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| 87 |  | 
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| 88 | #   undef AUX778076_APPLY_N_COMMA_PARAMS | 
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| 89 | #   undef AUX778076_APPLY_DEF_PARAMS | 
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| 90 |  | 
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| 91 | }} | 
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| 92 |  | 
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| 93 | #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS | 
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| 94 | #endif // BOOST_MPL_APPLY_FWD_HPP_INCLUDED | 
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| 95 |  | 
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| 96 | ///// iteration | 
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| 97 |  | 
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| 98 | #else | 
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| 99 | #define i_ BOOST_PP_FRAME_ITERATION(1) | 
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| 100 |  | 
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| 101 | template< | 
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| 102 |       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) | 
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| 103 |     > | 
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| 104 | struct BOOST_PP_CAT(apply,i_); | 
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| 105 |  | 
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| 106 | #undef i_ | 
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| 107 | #endif // BOOST_PP_IS_ITERATING | 
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