git.sesse.net Git - casparcg/blob - dependencies/boost/boost/phoenix/core/detail/actor_operator.hpp

   1
   2 #if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES)
   3 #ifndef BOOST_PHOENIX_CORE_DETAIL_ACTOR_OPERATOR_HPP
   4 #define BOOST_PHOENIX_CORE_DETAIL_ACTOR_OPERATOR_HPP
   5
   6 #include <boost/phoenix/support/iterate.hpp>
   7
   8 #include <boost/phoenix/core/detail/preprocessed/actor_operator.hpp>
   9
  10 #endif
  11 #else
  12
  13 #if !BOOST_PHOENIX_IS_ITERATING
  14
  15 #ifndef BOOST_PHOENIX_CORE_DETAIL_ACTOR_OPERATOR_HPP
  16 #define BOOST_PHOENIX_CORE_DETAIL_ACTOR_OPERATOR_HPP
  17
  18 #include <boost/phoenix/support/iterate.hpp>
  19
  20 #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
  21 #pragma wave option(preserve: 2, line: 0, output: "preprocessed/actor_operator_" BOOST_PHOENIX_LIMIT_STR ".hpp")
  22 #endif
  23 /*==============================================================================
  24     Copyright (c) 2005-2010 Joel de Guzman
  25     Copyright (c) 2010 Thomas Heller
  26
  27     Distributed under the Boost Software License, Version 1.0. (See accompanying
  28     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  29 ==============================================================================*/
  30
  31 #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
  32 #pragma wave option(preserve: 1)
  33 #endif
  34
  35 #define M0(Z, N, D)                                                             \
  36     typename detail::result_type_deduction_helper<BOOST_PP_CAT(A, N)>::type     \
  37 /**/
  38
  39 #define BOOST_PHOENIX_ITERATION_PARAMS                                          \
  40         (3, (1, BOOST_PHOENIX_ACTOR_LIMIT,                                      \
  41         <boost/phoenix/core/detail/actor_operator.hpp>))
  42 #include BOOST_PHOENIX_ITERATE()
  43
  44 #undef M0
  45
  46 #if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
  47 #pragma wave option(output: null)
  48 #endif
  49
  50 #endif
  51
  52 #else
  53
  54 #if BOOST_PHOENIX_ITERATION >= BOOST_PHOENIX_PERFECT_FORWARD_LIMIT
  55
  56         template <typename This, BOOST_PHOENIX_typename_A>
  57         struct result<This(BOOST_PHOENIX_A)>
  58             : result<This(BOOST_PHOENIX_A_const_ref)>
  59         {};
  60
  61         template <typename This, BOOST_PHOENIX_typename_A>
  62         struct result<This(BOOST_PHOENIX_A_ref)>
  63             : result_of::actor<proto_base_expr, BOOST_PHOENIX_A_ref>
  64         {};
  65
  66         template <BOOST_PHOENIX_typename_A>
  67         typename result_of::actor<proto_base_expr, BOOST_PHOENIX_A_ref>::type
  68         operator()(BOOST_PHOENIX_A_ref_a)
  69         {
  70             typedef
  71                 BOOST_PP_CAT(vector, BOOST_PP_INC(BOOST_PHOENIX_ITERATION))<
  72                     const actor<Expr> *, BOOST_PHOENIX_A_ref
  73                 >
  74                 env_type;
  75             env_type env = {this, BOOST_PHOENIX_a};
  76
  77             return phoenix::eval(*this, phoenix::context(env, default_actions()));
  78         }
  79
  80         template <BOOST_PHOENIX_typename_A>
  81         typename result_of::actor<proto_base_expr, BOOST_PHOENIX_A_ref>::type
  82         operator()(BOOST_PHOENIX_A_ref_a) const
  83         {
  84             typedef
  85                 BOOST_PP_CAT(vector, BOOST_PP_INC(BOOST_PHOENIX_ITERATION))<
  86                     const actor<Expr> *, BOOST_PHOENIX_A_ref
  87                 >
  88                 env_type;
  89             env_type env = {this, BOOST_PHOENIX_a};
  90
  91             return phoenix::eval(*this, phoenix::context(env, default_actions()));
  92         }
  93
  94         template <BOOST_PHOENIX_typename_A>
  95         typename result_of::actor<proto_base_expr, BOOST_PHOENIX_A_const_ref>::type
  96         operator()(BOOST_PHOENIX_A_const_ref_a)
  97         {
  98             typedef
  99                 BOOST_PP_CAT(vector, BOOST_PP_INC(BOOST_PHOENIX_ITERATION))<
 100                     const actor<Expr> *, BOOST_PHOENIX_A_const_ref
 101                 >
 102                 env_type;
 103             env_type env = {this, BOOST_PHOENIX_a};
 104
 105             return phoenix::eval(*this, phoenix::context(env, default_actions()));
 106         }
 107
 108         template <BOOST_PHOENIX_typename_A>
 109         typename result_of::actor<proto_base_expr, BOOST_PHOENIX_A_const_ref>::type
 110         operator()(BOOST_PHOENIX_A_const_ref_a) const
 111         {
 112             typedef
 113                 BOOST_PP_CAT(vector, BOOST_PP_INC(BOOST_PHOENIX_ITERATION))<
 114                     const actor<Expr> *, BOOST_PHOENIX_A_const_ref
 115                 >
 116                 env_type;
 117             env_type env = {this, BOOST_PHOENIX_a};
 118
 119             return phoenix::eval(*this, phoenix::context(env, default_actions()));
 120         }
 121
 122 #else
 123
 124 // We need to define operator() for all permutations of reference types.
 125 // For BOOST_PHOENIX_ITERATION <= BOOST_PHOENIX_LIMIT_PREFECT_FORWARD
 126 // 2^BOOST_PHOENIX_ITERATION overloads are created
 127 // For compile time reasons,
 128 // if BOOST_PHOENIX_ITERATION > BOOST_PHOENIX_LIMIT_PERFECT_FORWARD
 129 // only operator()(A const &...a) and operator()(A &...a) are generated
 130 // this is all handled by the PP mumbo jumbo above
 131 #define BOOST_PHOENIX_ACTOR_OPERATOR(_, I, __)                                  \
 132         template <typename This, BOOST_PHOENIX_typename_A>                      \
 133         struct result<This(BOOST_PHOENIX_PERM_A(I))>                            \
 134             : result_of::actor<proto_base_expr, BOOST_PHOENIX_PERM_A(I)>        \
 135         {};                                                                     \
 136                                                                                 \
 137         template <BOOST_PHOENIX_typename_A>                                     \
 138         typename result_of::actor<proto_base_expr, BOOST_PHOENIX_PERM_A(I)>::type\
 139         operator()(BOOST_PHOENIX_PERM_A_a(I)) const                             \
 140         {                                                                       \
 141             typedef                                                             \
 142                 BOOST_PP_CAT(vector, BOOST_PP_INC(BOOST_PHOENIX_ITERATION))<    \
 143                     const actor<Expr> *, BOOST_PHOENIX_PERM_A(I)                \
 144                 >                                                               \
 145                 env_type;                                                       \
 146             env_type env = {this, BOOST_PHOENIX_a};                             \
 147                                                                                 \
 148             return phoenix::eval(*this, phoenix::context(env, default_actions()));\
 149         }                                                                       \
 150                                                                                 \
 151         template <BOOST_PHOENIX_typename_A>                                     \
 152         typename result_of::actor<proto_base_expr, BOOST_PHOENIX_PERM_A(I)>::type\
 153         operator()(BOOST_PHOENIX_PERM_A_a(I))                                   \
 154         {                                                                       \
 155             typedef                                                             \
 156                 BOOST_PP_CAT(vector, BOOST_PP_INC(BOOST_PHOENIX_ITERATION))<    \
 157                     const actor<Expr> *, BOOST_PHOENIX_PERM_A(I)                \
 158                 >                                                               \
 159                 env_type;                                                       \
 160             env_type env = {this, BOOST_PHOENIX_a};                             \
 161                                                                                 \
 162             return phoenix::eval(*this, phoenix::context(env, default_actions()));\
 163         }                                                                       \
 164         /**/
 165
 166         template <typename This, BOOST_PHOENIX_typename_A>
 167         struct result<This(BOOST_PHOENIX_A)>
 168             : result<This(BOOST_PP_ENUM(BOOST_PHOENIX_ITERATION, M0, _))>
 169         {};
 170
 171         BOOST_PP_REPEAT(BOOST_PHOENIX_PERM_SIZE, BOOST_PHOENIX_ACTOR_OPERATOR, _)
 172
 173 #undef BOOST_PHOENIX_ACTOR_OPERATOR
 174
 175 #endif
 176
 177 #endif
 178
 179 #endif // BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES