[3428] | 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_ARG_HPP_INCLUDED |
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| 7 | #define BOOST_MPL_ARG_HPP_INCLUDED |
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| 8 | |
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| 9 | // Copyright Peter Dimov 2001-2002 |
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| 10 | // Copyright Aleksey Gurtovoy 2001-2004 |
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| 11 | // |
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| 12 | // Distributed under the Boost Software License, Version 1.0. |
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| 13 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 14 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 15 | // |
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| 16 | // See http://www.boost.org/libs/mpl for documentation. |
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| 17 | |
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| 18 | // $Id: arg.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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| 19 | // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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| 20 | // $Revision: 49267 $ |
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| 21 | |
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| 22 | #if !defined(BOOST_MPL_PREPROCESSING_MODE) |
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| 23 | # include <boost/mpl/arg_fwd.hpp> |
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| 24 | # include <boost/mpl/aux_/na.hpp> |
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| 25 | # include <boost/mpl/aux_/na_assert.hpp> |
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| 26 | # include <boost/mpl/aux_/arity_spec.hpp> |
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| 27 | # include <boost/mpl/aux_/arg_typedef.hpp> |
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| 28 | #endif |
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| 29 | |
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| 30 | #include <boost/mpl/aux_/config/static_constant.hpp> |
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| 31 | #include <boost/mpl/aux_/config/use_preprocessed.hpp> |
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| 32 | |
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| 33 | #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ |
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| 34 | && !defined(BOOST_MPL_PREPROCESSING_MODE) |
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| 35 | |
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| 36 | # define BOOST_MPL_PREPROCESSED_HEADER arg.hpp |
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| 37 | # include <boost/mpl/aux_/include_preprocessed.hpp> |
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| 38 | |
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| 39 | #else |
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| 40 | |
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| 41 | # include <boost/mpl/limits/arity.hpp> |
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| 42 | # include <boost/mpl/aux_/preprocessor/default_params.hpp> |
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| 43 | # include <boost/mpl/aux_/preprocessor/params.hpp> |
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| 44 | # include <boost/mpl/aux_/config/lambda.hpp> |
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| 45 | # include <boost/mpl/aux_/config/dtp.hpp> |
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| 46 | # include <boost/mpl/aux_/nttp_decl.hpp> |
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| 47 | |
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| 48 | # include <boost/preprocessor/iterate.hpp> |
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| 49 | # include <boost/preprocessor/inc.hpp> |
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| 50 | # include <boost/preprocessor/cat.hpp> |
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| 51 | |
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| 52 | BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN |
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| 53 | |
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| 54 | // local macro, #undef-ined at the end of the header |
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| 55 | #if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) |
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| 56 | # define AUX778076_ARG_N_DEFAULT_PARAMS(param,value) \ |
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| 57 | BOOST_MPL_PP_DEFAULT_PARAMS( \ |
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| 58 | BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ |
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| 59 | , param \ |
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| 60 | , value \ |
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| 61 | ) \ |
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| 62 | /**/ |
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| 63 | #else |
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| 64 | # define AUX778076_ARG_N_DEFAULT_PARAMS(param,value) \ |
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| 65 | BOOST_MPL_PP_PARAMS( \ |
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| 66 | BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ |
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| 67 | , param \ |
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| 68 | ) \ |
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| 69 | /**/ |
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| 70 | #endif |
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| 71 | |
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| 72 | #define BOOST_PP_ITERATION_PARAMS_1 \ |
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| 73 | (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/arg.hpp>)) |
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| 74 | #include BOOST_PP_ITERATE() |
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| 75 | |
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| 76 | |
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| 77 | # undef AUX778076_ARG_N_DEFAULT_PARAMS |
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| 78 | |
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| 79 | BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(1,int,arg) |
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| 80 | |
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| 81 | BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE |
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| 82 | |
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| 83 | #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS |
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| 84 | #endif // BOOST_MPL_ARG_HPP_INCLUDED |
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| 85 | |
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| 86 | ///// iteration |
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| 87 | |
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| 88 | #else |
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| 89 | #define i_ BOOST_PP_FRAME_ITERATION(1) |
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| 90 | |
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| 91 | #if i_ > 0 |
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| 92 | |
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| 93 | template<> struct arg<i_> |
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| 94 | { |
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| 95 | BOOST_STATIC_CONSTANT(int, value = i_); |
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| 96 | typedef arg<BOOST_PP_INC(i_)> next; |
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| 97 | BOOST_MPL_AUX_ARG_TYPEDEF(na, tag) |
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| 98 | BOOST_MPL_AUX_ARG_TYPEDEF(na, type) |
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| 99 | |
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| 100 | template< |
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| 101 | AUX778076_ARG_N_DEFAULT_PARAMS(typename U, na) |
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| 102 | > |
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| 103 | struct apply |
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| 104 | { |
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| 105 | typedef BOOST_PP_CAT(U,i_) type; |
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| 106 | BOOST_MPL_AUX_ASSERT_NOT_NA(type); |
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| 107 | }; |
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| 108 | }; |
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| 109 | |
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| 110 | #else |
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| 111 | |
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| 112 | template<> struct arg<-1> |
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| 113 | { |
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| 114 | BOOST_STATIC_CONSTANT(int, value = -1); |
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| 115 | BOOST_MPL_AUX_ARG_TYPEDEF(na, tag) |
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| 116 | BOOST_MPL_AUX_ARG_TYPEDEF(na, type) |
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| 117 | |
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| 118 | template< |
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| 119 | AUX778076_ARG_N_DEFAULT_PARAMS(typename U, na) |
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| 120 | > |
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| 121 | struct apply |
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| 122 | { |
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| 123 | typedef U1 type; |
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| 124 | BOOST_MPL_AUX_ASSERT_NOT_NA(type); |
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| 125 | }; |
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| 126 | }; |
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| 127 | |
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| 128 | #endif // i_ > 0 |
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| 129 | |
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| 130 | #undef i_ |
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| 131 | #endif // BOOST_PP_IS_ITERATING |
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