projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Copyright David Abrahams, Daniel Wallin 2003. Use, modification and |
| 2 | // distribution is subject to the Boost Software License, Version 1.0. | |
| 3 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | // This file generates overloads in this format: | |
| 7 | // | |
| 8 | // template<class A0, class A1> | |
| 9 | // typename mpl::apply_wrap1< | |
| 10 | // aux::make_arg_list< | |
| 11 | // PS0,A0 | |
| 12 | // , aux::make_arg_list< | |
| 13 | // PS1,A1 | |
| 14 | // , mpl::identity<aux::empty_arg_list> | |
| 15 | // > | |
| 16 | // > | |
| 17 | // , unnamed_list | |
| 18 | // >::type | |
| 19 | // operator()(A0 const& a0, A1 const& a1) const | |
| 20 | // { | |
| 21 | // typedef typename mpl::apply_wrap1< | |
| 22 | // aux::make_arg_list< | |
| 23 | // PS0,A0 | |
| 24 | // , aux::make_arg_list< | |
| 25 | // PS1,A1 | |
| 26 | // , mpl::identity<aux::empty_arg_list> | |
| 27 | // > | |
| 28 | // > | |
| 29 | // >::type arg_tuple; | |
| 30 | // | |
| 31 | // return arg_tuple( | |
| 32 | // a0 | |
| 33 | // , a1 | |
| 34 | // , aux::void_() | |
| 35 | // ... | |
| 36 | // ); | |
| 37 | // } | |
| 38 | // | |
| 39 | ||
| 40 | #if !defined(BOOST_PP_IS_ITERATING) | |
| 41 | # error Boost.Parameters - do not include this file! | |
| 42 | #endif | |
| 43 | ||
| 44 | #define N BOOST_PP_ITERATION() | |
| 45 | ||
| 46 | #define BOOST_PARAMETER_open_list(z, n, text) \ | |
| 47 | aux::item< \ | |
| 48 | BOOST_PP_CAT(PS, n), BOOST_PP_CAT(A, n) | |
| 49 | ||
| 50 | #define BOOST_PARAMETER_close_list(z, n, text) > | |
| 51 | ||
| 52 | #define BOOST_PARAMETER_arg_list(n) \ | |
| 53 | aux::make_arg_list< \ | |
| 54 | BOOST_PP_ENUM(N, BOOST_PARAMETER_open_list, _) \ | |
| 55 | , void_ \ | |
| 56 | BOOST_PP_REPEAT(N, BOOST_PARAMETER_close_list, _) \ | |
| 57 | , deduced_list \ | |
| 58 | , aux::tag_keyword_arg \ | |
| 59 | > | |
| 60 | ||
| 61 | #define BOOST_PARAMETER_arg_pack_init(z, n, limit) \ | |
| 62 | BOOST_PP_CAT(a, BOOST_PP_SUB(limit,n)) | |
| 63 | ||
| 64 | template<BOOST_PP_ENUM_PARAMS(N, class A)> | |
| 65 | typename mpl::first< | |
| 66 | typename BOOST_PARAMETER_arg_list(N)::type | |
| 67 | >::type | |
| 68 | operator()(BOOST_PP_ENUM_BINARY_PARAMS(N, A, & a)) const | |
| 69 | { | |
| 70 | typedef typename BOOST_PARAMETER_arg_list(N)::type result; | |
| 71 | ||
| 72 | typedef typename mpl::first<result>::type result_type; | |
| 73 | typedef typename mpl::second<result>::type error; | |
| 74 | error(); | |
| 75 | ||
| 76 | return result_type( | |
| 77 | BOOST_PP_ENUM(N, BOOST_PARAMETER_arg_pack_init, BOOST_PP_DEC(N)) | |
| 78 | BOOST_PP_ENUM_TRAILING_PARAMS( | |
| 79 | BOOST_PP_SUB(BOOST_PARAMETER_MAX_ARITY, N) | |
| 80 | , aux::void_reference() BOOST_PP_INTERCEPT | |
| 81 | )); | |
| 82 | } | |
| 83 | ||
| 84 | #undef BOOST_PARAMETER_arg_list | |
| 85 | #undef BOOST_PARAMETER_open_list | |
| 86 | #undef BOOST_PARAMETER_close_list | |
| 87 | #undef N | |
| 88 |