| /*============================================================================= |
| Copyright (c) 2001-2006 Joel de Guzman |
| |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| ==============================================================================*/ |
| // No include guard. This file is meant to be included many times |
| |
| #if !defined(FUSION_MACRO_05042005) |
| #define FUSION_MACRO_05042005 |
| |
| #define FUSION_MEMBER_DEFAULT_INIT(z, n, _) m##n() |
| #define FUSION_MEMBER_INIT(z, n, _) m##n(_##n) |
| #define FUSION_COPY_INIT(z, n, _) m##n(other.m##n) |
| #define FUSION_MEMBER_DECL(z, n, _) T##n m##n; |
| |
| #define FUSION_MEMBER_ASSIGN(z, n, _) \ |
| this->BOOST_PP_CAT(m, n) = vec.BOOST_PP_CAT(m, n); |
| |
| #define FUSION_DEREF_MEMBER_ASSIGN(z, n, _) \ |
| this->BOOST_PP_CAT(m, n) = *BOOST_PP_CAT(i, n); |
| |
| #define FUSION_AT_IMPL(z, n, _) \ |
| typename add_reference<T##n>::type \ |
| at_impl(mpl::int_<n>) { return this->m##n; } \ |
| typename add_reference<typename add_const<T##n>::type>::type \ |
| at_impl(mpl::int_<n>) const { return this->m##n; } |
| |
| #define FUSION_ITER_DECL_VAR(z, n, _) \ |
| typedef typename result_of::next< \ |
| BOOST_PP_CAT(I, BOOST_PP_DEC(n))>::type BOOST_PP_CAT(I, n); \ |
| BOOST_PP_CAT(I, n) BOOST_PP_CAT(i, n) \ |
| = fusion::next(BOOST_PP_CAT(i, BOOST_PP_DEC(n))); |
| |
| #endif |
| |
| #define N BOOST_PP_ITERATION() |
| |
| template <typename Derived, BOOST_PP_ENUM_PARAMS(N, typename T)> |
| struct BOOST_PP_CAT(vector_data, N) : sequence_base<Derived> |
| { |
| BOOST_PP_CAT(vector_data, N)() |
| : BOOST_PP_ENUM(N, FUSION_MEMBER_DEFAULT_INIT, _) {} |
| |
| BOOST_PP_CAT(vector_data, N)( |
| BOOST_PP_ENUM_BINARY_PARAMS( |
| N, typename detail::call_param<T, >::type _)) |
| : BOOST_PP_ENUM(N, FUSION_MEMBER_INIT, _) {} |
| |
| BOOST_PP_CAT(vector_data, N)( |
| BOOST_PP_CAT(vector_data, N) const& other) |
| : BOOST_PP_ENUM(N, FUSION_COPY_INIT, _) {} |
| |
| BOOST_PP_CAT(vector_data, N)& |
| operator=(BOOST_PP_CAT(vector_data, N) const& vec) |
| { |
| BOOST_PP_REPEAT(N, FUSION_MEMBER_ASSIGN, _) |
| return *this; |
| } |
| |
| template <typename Sequence> |
| static BOOST_PP_CAT(vector_data, N) |
| init_from_sequence(Sequence const& seq) |
| { |
| typedef typename result_of::begin<Sequence const>::type I0; |
| I0 i0 = fusion::begin(seq); |
| BOOST_PP_REPEAT_FROM_TO(1, N, FUSION_ITER_DECL_VAR, _) |
| return BOOST_PP_CAT(vector_data, N)(BOOST_PP_ENUM_PARAMS(N, *i)); |
| } |
| |
| BOOST_PP_REPEAT(N, FUSION_MEMBER_DECL, _) |
| }; |
| |
| template <BOOST_PP_ENUM_PARAMS(N, typename T)> |
| struct BOOST_PP_CAT(vector, N) |
| : BOOST_PP_CAT(vector_data, N)< |
| BOOST_PP_CAT(vector, N)<BOOST_PP_ENUM_PARAMS(N, T)> |
| , BOOST_PP_ENUM_PARAMS(N, T)> |
| { |
| typedef BOOST_PP_CAT(vector, N)<BOOST_PP_ENUM_PARAMS(N, T)> this_type; |
| typedef BOOST_PP_CAT(vector_data, N)<this_type, BOOST_PP_ENUM_PARAMS(N, T)> base_type; |
| typedef mpl::BOOST_PP_CAT(vector, N)<BOOST_PP_ENUM_PARAMS(N, T)> types; |
| typedef vector_tag fusion_tag; |
| typedef fusion_sequence_tag tag; // this gets picked up by MPL |
| typedef mpl::false_ is_view; |
| typedef random_access_traversal_tag category; |
| typedef mpl::int_<N> size; |
| |
| BOOST_PP_CAT(vector, N)() {} |
| |
| #if (N == 1) |
| explicit |
| #endif |
| BOOST_PP_CAT(vector, N)( |
| BOOST_PP_ENUM_BINARY_PARAMS( |
| N, typename detail::call_param<T, >::type _)) |
| : base_type(BOOST_PP_ENUM_PARAMS(N, _)) {} |
| |
| template <BOOST_PP_ENUM_PARAMS(N, typename U)> |
| BOOST_PP_CAT(vector, N)( |
| BOOST_PP_CAT(vector, N)<BOOST_PP_ENUM_PARAMS(N, U)> const& vec) |
| : base_type(BOOST_PP_ENUM_PARAMS(N, vec.m)) {} |
| |
| template <typename Sequence> |
| BOOST_PP_CAT(vector, N)( |
| Sequence const& seq |
| #if (N == 1) |
| , typename disable_if<is_convertible<Sequence, T0> >::type* /*dummy*/ = 0 |
| #endif |
| ) |
| : base_type(base_type::init_from_sequence(seq)) {} |
| |
| template <BOOST_PP_ENUM_PARAMS(N, typename U)> |
| BOOST_PP_CAT(vector, N)& |
| operator=(BOOST_PP_CAT(vector, N)<BOOST_PP_ENUM_PARAMS(N, U)> const& vec) |
| { |
| BOOST_PP_REPEAT(N, FUSION_MEMBER_ASSIGN, _) |
| return *this; |
| } |
| |
| template <typename Sequence> |
| typename disable_if<is_convertible<Sequence, T0>, this_type&>::type |
| operator=(Sequence const& seq) |
| { |
| typedef typename result_of::begin<Sequence const>::type I0; |
| I0 i0 = fusion::begin(seq); |
| BOOST_PP_REPEAT_FROM_TO(1, N, FUSION_ITER_DECL_VAR, _) |
| BOOST_PP_REPEAT(N, FUSION_DEREF_MEMBER_ASSIGN, _) |
| return *this; |
| } |
| |
| BOOST_PP_REPEAT(N, FUSION_AT_IMPL, _) |
| |
| template<typename I> |
| typename add_reference<typename mpl::at<types, I>::type>::type |
| at_impl(I) |
| { |
| return this->at_impl(mpl::int_<I::value>()); |
| } |
| |
| template<typename I> |
| typename add_reference<typename add_const<typename mpl::at<types, I>::type>::type>::type |
| at_impl(I) const |
| { |
| return this->at_impl(mpl::int_<I::value>()); |
| } |
| }; |
| |
| #undef N |
| |