[857] | 1 |
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| 2 | // Copyright Aleksey Gurtovoy 2000-2004
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| 3 | //
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| 4 | // Distributed under the Boost Software License, Version 1.0.
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| 5 | // (See accompanying file LICENSE_1_0.txt or copy at
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| 6 | // http://www.boost.org/LICENSE_1_0.txt)
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| 7 | //
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| 8 |
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| 9 | // Preprocessed version of "boost/mpl/aux_/reverse_fold_impl.hpp" header
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| 10 | // -- DO NOT modify by hand!
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| 11 |
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| 12 | namespace boost { namespace mpl { namespace aux {
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| 13 |
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| 14 | /// forward declaration
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| 15 |
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| 16 | template<
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| 17 | long N
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| 18 | , typename First
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| 19 | , typename Last
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| 20 | , typename State
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| 21 | , typename BackwardOp
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| 22 | , typename ForwardOp
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| 23 | >
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| 24 | struct reverse_fold_impl;
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| 25 |
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| 26 | template< long N >
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| 27 | struct reverse_fold_chunk;
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| 28 |
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| 29 | template<> struct reverse_fold_chunk<0>
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| 30 | {
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| 31 | template<
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| 32 | typename First
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| 33 | , typename Last
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| 34 | , typename State
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| 35 | , typename BackwardOp
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| 36 | , typename ForwardOp
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| 37 | >
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| 38 | struct result_
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| 39 | {
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| 40 | typedef First iter0;
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| 41 | typedef State fwd_state0;
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| 42 | typedef fwd_state0 bkwd_state0;
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| 43 | typedef bkwd_state0 state;
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| 44 | typedef iter0 iterator;
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| 45 | };
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| 46 | };
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| 47 |
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| 48 | template<> struct reverse_fold_chunk<1>
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| 49 | {
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| 50 | template<
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| 51 | typename First
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| 52 | , typename Last
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| 53 | , typename State
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| 54 | , typename BackwardOp
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| 55 | , typename ForwardOp
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| 56 | >
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| 57 | struct result_
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| 58 | {
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| 59 | typedef First iter0;
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| 60 | typedef State fwd_state0;
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| 61 | typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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| 62 | typedef typename mpl::next<iter0>::type iter1;
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| 63 |
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| 64 |
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| 65 | typedef fwd_state1 bkwd_state1;
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| 66 | typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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| 67 | typedef bkwd_state0 state;
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| 68 | typedef iter1 iterator;
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| 69 | };
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| 70 | };
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| 71 |
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| 72 | template<> struct reverse_fold_chunk<2>
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| 73 | {
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| 74 | template<
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| 75 | typename First
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| 76 | , typename Last
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| 77 | , typename State
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| 78 | , typename BackwardOp
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| 79 | , typename ForwardOp
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| 80 | >
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| 81 | struct result_
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| 82 | {
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| 83 | typedef First iter0;
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| 84 | typedef State fwd_state0;
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| 85 | typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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| 86 | typedef typename mpl::next<iter0>::type iter1;
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| 87 | typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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| 88 | typedef typename mpl::next<iter1>::type iter2;
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| 89 |
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| 90 |
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| 91 | typedef fwd_state2 bkwd_state2;
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| 92 | typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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| 93 | typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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| 94 |
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| 95 |
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| 96 | typedef bkwd_state0 state;
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| 97 | typedef iter2 iterator;
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| 98 | };
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| 99 | };
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| 100 |
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| 101 | template<> struct reverse_fold_chunk<3>
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| 102 | {
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| 103 | template<
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| 104 | typename First
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| 105 | , typename Last
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| 106 | , typename State
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| 107 | , typename BackwardOp
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| 108 | , typename ForwardOp
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| 109 | >
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| 110 | struct result_
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| 111 | {
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| 112 | typedef First iter0;
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| 113 | typedef State fwd_state0;
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| 114 | typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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| 115 | typedef typename mpl::next<iter0>::type iter1;
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| 116 | typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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| 117 | typedef typename mpl::next<iter1>::type iter2;
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| 118 | typedef typename apply2< ForwardOp, fwd_state2, typename deref<iter2>::type >::type fwd_state3;
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| 119 | typedef typename mpl::next<iter2>::type iter3;
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| 120 |
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| 121 |
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| 122 | typedef fwd_state3 bkwd_state3;
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| 123 | typedef typename apply2< BackwardOp, bkwd_state3, typename deref<iter2>::type >::type bkwd_state2;
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| 124 | typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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| 125 | typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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| 126 |
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| 127 |
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| 128 | typedef bkwd_state0 state;
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| 129 | typedef iter3 iterator;
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| 130 | };
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| 131 | };
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| 132 |
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| 133 | template<> struct reverse_fold_chunk<4>
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| 134 | {
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| 135 | template<
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| 136 | typename First
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| 137 | , typename Last
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| 138 | , typename State
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| 139 | , typename BackwardOp
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| 140 | , typename ForwardOp
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| 141 | >
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| 142 | struct result_
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| 143 | {
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| 144 | typedef First iter0;
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| 145 | typedef State fwd_state0;
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| 146 | typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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| 147 | typedef typename mpl::next<iter0>::type iter1;
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| 148 | typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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| 149 | typedef typename mpl::next<iter1>::type iter2;
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| 150 | typedef typename apply2< ForwardOp, fwd_state2, typename deref<iter2>::type >::type fwd_state3;
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| 151 | typedef typename mpl::next<iter2>::type iter3;
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| 152 | typedef typename apply2< ForwardOp, fwd_state3, typename deref<iter3>::type >::type fwd_state4;
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| 153 | typedef typename mpl::next<iter3>::type iter4;
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| 154 |
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| 155 |
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| 156 | typedef fwd_state4 bkwd_state4;
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| 157 | typedef typename apply2< BackwardOp, bkwd_state4, typename deref<iter3>::type >::type bkwd_state3;
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| 158 | typedef typename apply2< BackwardOp, bkwd_state3, typename deref<iter2>::type >::type bkwd_state2;
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| 159 | typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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| 160 | typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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| 161 |
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| 162 |
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| 163 | typedef bkwd_state0 state;
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| 164 | typedef iter4 iterator;
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| 165 | };
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| 166 | };
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| 167 |
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| 168 | template< long N >
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| 169 | struct reverse_fold_chunk
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| 170 | {
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| 171 | template<
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| 172 | typename First
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| 173 | , typename Last
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| 174 | , typename State
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| 175 | , typename BackwardOp
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| 176 | , typename ForwardOp
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| 177 | >
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| 178 | struct result_
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| 179 | {
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| 180 | typedef First iter0;
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| 181 | typedef State fwd_state0;
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| 182 | typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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| 183 | typedef typename mpl::next<iter0>::type iter1;
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| 184 | typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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| 185 | typedef typename mpl::next<iter1>::type iter2;
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| 186 | typedef typename apply2< ForwardOp, fwd_state2, typename deref<iter2>::type >::type fwd_state3;
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| 187 | typedef typename mpl::next<iter2>::type iter3;
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| 188 | typedef typename apply2< ForwardOp, fwd_state3, typename deref<iter3>::type >::type fwd_state4;
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| 189 | typedef typename mpl::next<iter3>::type iter4;
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| 190 |
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| 191 |
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| 192 | typedef reverse_fold_impl<
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| 193 | ( (N - 4) < 0 ? 0 : N - 4 )
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| 194 | , iter4
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| 195 | , Last
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| 196 | , fwd_state4
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| 197 | , BackwardOp
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| 198 | , ForwardOp
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| 199 | > nested_chunk;
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| 200 |
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| 201 | typedef typename nested_chunk::state bkwd_state4;
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| 202 | typedef typename apply2< BackwardOp, bkwd_state4, typename deref<iter3>::type >::type bkwd_state3;
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| 203 | typedef typename apply2< BackwardOp, bkwd_state3, typename deref<iter2>::type >::type bkwd_state2;
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| 204 | typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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| 205 | typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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| 206 |
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| 207 |
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| 208 | typedef bkwd_state0 state;
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| 209 | typedef typename nested_chunk::iterator iterator;
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| 210 | };
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| 211 | };
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| 212 |
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| 213 | template<
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| 214 | typename First
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| 215 | , typename Last
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| 216 | , typename State
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| 217 | , typename BackwardOp
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| 218 | , typename ForwardOp
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| 219 | >
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| 220 | struct reverse_fold_step;
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| 221 |
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| 222 | template<
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| 223 | typename Last
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| 224 | , typename State
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| 225 | >
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| 226 | struct reverse_fold_null_step
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| 227 | {
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| 228 | typedef Last iterator;
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| 229 | typedef State state;
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| 230 | };
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| 231 |
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| 232 | template<>
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| 233 | struct reverse_fold_chunk< -1 >
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| 234 | {
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| 235 | template<
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| 236 | typename First
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| 237 | , typename Last
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| 238 | , typename State
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| 239 | , typename BackwardOp
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| 240 | , typename ForwardOp
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| 241 | >
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| 242 | struct result_
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| 243 | {
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| 244 | typedef typename if_<
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| 245 | typename is_same< First,Last >::type
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| 246 | , reverse_fold_null_step< Last,State >
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| 247 | , reverse_fold_step< First,Last,State,BackwardOp,ForwardOp >
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| 248 | >::type res_;
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| 249 |
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| 250 | typedef typename res_::state state;
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| 251 | typedef typename res_::iterator iterator;
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| 252 | };
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| 253 | };
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| 254 |
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| 255 | template<
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| 256 | typename First
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| 257 | , typename Last
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| 258 | , typename State
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| 259 | , typename BackwardOp
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| 260 | , typename ForwardOp
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| 261 | >
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| 262 | struct reverse_fold_step
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| 263 | {
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| 264 | typedef reverse_fold_chunk< -1 >::template result_<
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| 265 | typename mpl::next<First>::type
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| 266 | , Last
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| 267 | , typename apply2<ForwardOp,State, typename deref<First>::type>::type
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| 268 | , BackwardOp
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| 269 | , ForwardOp
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| 270 | > nested_step;
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| 271 |
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| 272 | typedef typename apply2<
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| 273 | BackwardOp
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| 274 | , typename nested_step::state
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| 275 | , typename deref<First>::type
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| 276 | >::type state;
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| 277 |
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| 278 | typedef typename nested_step::iterator iterator;
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| 279 | };
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| 280 |
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| 281 | template<
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| 282 | long N
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| 283 | , typename First
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| 284 | , typename Last
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| 285 | , typename State
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| 286 | , typename BackwardOp
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| 287 | , typename ForwardOp
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| 288 | >
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| 289 | struct reverse_fold_impl
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| 290 | : reverse_fold_chunk<N>
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| 291 | ::template result_< First,Last,State,BackwardOp,ForwardOp >
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| 292 | {
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| 293 | };
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| 294 |
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| 295 | }}}
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