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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: 2005/08/25 16:27:21 $ |
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19 // $Revision: 1.3 $ |
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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, < 1300) |
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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 |