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annotate DEPENDENCIES/generic/include/boost/phoenix/statement/detail/switch.hpp @ 133:4acb5d8d80b6 tip

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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1
Chris@16 2 #if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES)
Chris@16 3 #ifndef BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
Chris@16 4 #define BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
Chris@16 5
Chris@16 6 #include <boost/phoenix/support/iterate.hpp>
Chris@16 7
Chris@16 8 #include <boost/phoenix/statement/detail/preprocessed/switch.hpp>
Chris@16 9
Chris@16 10 #endif
Chris@16 11 #else
Chris@16 12
Chris@16 13 #if !BOOST_PHOENIX_IS_ITERATING
Chris@16 14
Chris@16 15 #ifndef BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
Chris@16 16 #define BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
Chris@16 17
Chris@16 18 #include <boost/phoenix/support/iterate.hpp>
Chris@16 19
Chris@16 20 #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
Chris@16 21 #pragma wave option(preserve: 2, line: 0, output: "preprocessed/switch_" BOOST_PHOENIX_LIMIT_STR ".hpp")
Chris@16 22 #endif
Chris@16 23
Chris@16 24 /*==============================================================================
Chris@16 25 Copyright (c) 2005-2010 Joel de Guzman
Chris@16 26 Copyright (c) 2010 Thomas Heller
Chris@16 27
Chris@16 28 Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16 29 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 30 ==============================================================================*/
Chris@16 31
Chris@16 32 #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
Chris@16 33 #pragma wave option(preserve: 1)
Chris@16 34 #endif
Chris@16 35
Chris@16 36 #define BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF_R(Z, N, DATA) \
Chris@16 37 typedef \
Chris@16 38 typename fusion::result_of::deref< \
Chris@16 39 typename fusion::result_of::advance_c< \
Chris@16 40 flat_view_begin \
Chris@16 41 , N \
Chris@16 42 >::type \
Chris@16 43 >::type \
Chris@16 44 BOOST_PP_CAT(case, N); \
Chris@16 45 typedef \
Chris@16 46 typename proto::detail::uncvref< \
Chris@16 47 typename proto::result_of::value< \
Chris@16 48 typename proto::result_of::child_c< \
Chris@16 49 BOOST_PP_CAT(case, N) \
Chris@16 50 , 0 \
Chris@16 51 >::type \
Chris@16 52 >::type \
Chris@16 53 >::type \
Chris@16 54 BOOST_PP_CAT(case_label, N); \
Chris@16 55 /**/
Chris@16 56
Chris@16 57 #define BOOST_PHOENIX_SWITCH_EVAL_R(Z, N, DATA) \
Chris@16 58 case BOOST_PP_CAT(case_label, N)::value : \
Chris@16 59 boost::phoenix::eval( \
Chris@16 60 proto::child_c<1>( \
Chris@16 61 fusion::deref( \
Chris@16 62 fusion::advance_c<N>(fusion::begin(flat_view)) \
Chris@16 63 ) \
Chris@16 64 ) \
Chris@16 65 , ctx \
Chris@16 66 ); \
Chris@16 67 break; \
Chris@16 68 /**/
Chris@16 69
Chris@16 70 #define BOOST_PHOENIX_ITERATION_PARAMS \
Chris@16 71 (3, (2, BOOST_PHOENIX_LIMIT, \
Chris@16 72 <boost/phoenix/statement/detail/switch.hpp>))
Chris@16 73 #include BOOST_PHOENIX_ITERATE()
Chris@16 74
Chris@16 75 #undef BOOST_PHOENIX_SWITCH_EVAL_R
Chris@16 76 #undef BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF
Chris@16 77
Chris@16 78 #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
Chris@16 79 #pragma wave option(output: null)
Chris@16 80 #endif
Chris@16 81
Chris@16 82 #endif
Chris@16 83
Chris@16 84 #else
Chris@16 85 template <typename Context, typename Cond, typename Cases>
Chris@16 86 result_type
Chris@16 87 evaluate(
Chris@16 88 Context const & ctx
Chris@16 89 , Cond const & cond
Chris@16 90 , Cases const & cases
Chris@16 91 , mpl::int_<BOOST_PHOENIX_ITERATION>
Chris@16 92 , mpl::false_
Chris@16 93 ) const
Chris@16 94 {
Chris@16 95 typedef
Chris@16 96 typename proto::result_of::flatten<Cases const&>::type
Chris@16 97 flat_view_type;
Chris@16 98
Chris@16 99 typedef
Chris@16 100 typename fusion::result_of::begin<flat_view_type>::type
Chris@16 101 flat_view_begin;
Chris@16 102
Chris@16 103 flat_view_type flat_view(proto::flatten(cases));
Chris@16 104
Chris@16 105 BOOST_PP_REPEAT(
Chris@16 106 BOOST_PHOENIX_ITERATION
Chris@16 107 , BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF_R
Chris@16 108 , BOOST_PHOENIX_ITERATION
Chris@16 109 )
Chris@16 110
Chris@16 111 switch(boost::phoenix::eval(cond, ctx))
Chris@16 112 {
Chris@16 113 BOOST_PP_REPEAT(BOOST_PHOENIX_ITERATION, BOOST_PHOENIX_SWITCH_EVAL_R, _)
Chris@16 114 }
Chris@16 115 }
Chris@16 116
Chris@16 117 template <typename Context, typename Cond, typename Cases>
Chris@16 118 result_type
Chris@16 119 evaluate(
Chris@16 120 Context const & ctx
Chris@16 121 , Cond const & cond
Chris@16 122 , Cases const & cases
Chris@16 123 , mpl::int_<BOOST_PHOENIX_ITERATION>
Chris@16 124 , mpl::true_
Chris@16 125 ) const
Chris@16 126 {
Chris@16 127 typedef
Chris@16 128 typename proto::result_of::flatten<Cases const&>::type
Chris@16 129 flat_view_type;
Chris@16 130
Chris@16 131 typedef
Chris@16 132 typename fusion::result_of::begin<flat_view_type>::type
Chris@16 133 flat_view_begin;
Chris@16 134
Chris@16 135 flat_view_type flat_view(proto::flatten(cases));
Chris@16 136
Chris@16 137 BOOST_PP_REPEAT(
Chris@16 138 BOOST_PP_DEC(BOOST_PHOENIX_ITERATION)
Chris@16 139 , BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF_R
Chris@16 140 , BOOST_PHOENIX_ITERATION
Chris@16 141 )
Chris@16 142
Chris@16 143 switch(boost::phoenix::eval(cond, ctx))
Chris@16 144 {
Chris@16 145 BOOST_PP_REPEAT(
Chris@16 146 BOOST_PP_DEC(BOOST_PHOENIX_ITERATION)
Chris@16 147 , BOOST_PHOENIX_SWITCH_EVAL_R, _
Chris@16 148 )
Chris@16 149 default:
Chris@16 150 boost::phoenix::eval(
Chris@16 151 proto::child_c<0>(
Chris@16 152 fusion::deref(
Chris@16 153 fusion::advance_c<
Chris@16 154 BOOST_PP_DEC(BOOST_PHOENIX_ITERATION)
Chris@16 155 >(fusion::begin(flat_view))
Chris@16 156 )
Chris@16 157 )
Chris@16 158 , ctx
Chris@16 159 );
Chris@16 160 }
Chris@16 161 }
Chris@16 162
Chris@16 163 #endif
Chris@16 164
Chris@16 165 #endif // BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES