ceph/src/boost/libs/signals2/include/boost/signals2/detail/signals_common_macros.hpp

   1 /*
   2   Author: Frank Mori Hess <fmhess@users.sourceforge.net>
   3   Begin: 2007-01-23
   4 */
   5 // Copyright Frank Mori Hess 2007-2008
   6 // Use, modification and
   7 // distribution is subject to the Boost Software License, Version
   8 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
  12 #define BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
  13
  14 #include <boost/config.hpp>
  15
  16 #ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
  17
  18 #ifndef BOOST_SIGNALS2_MAX_ARGS
  19 #define BOOST_SIGNALS2_MAX_ARGS 9
  20 #endif
  21
  22 // signaln
  23 #define BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity) BOOST_PP_CAT(signal, arity)
  24 // weak_signaln
  25 #define BOOST_SIGNALS2_WEAK_SIGNAL_CLASS_NAME(arity) BOOST_PP_CAT(weak_, BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity))
  26 // signaln_impl
  27 #define BOOST_SIGNALS2_SIGNAL_IMPL_CLASS_NAME(arity) BOOST_PP_CAT(BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity), _impl)
  28 // argn
  29 #define BOOST_SIGNALS2_SIGNATURE_ARG_NAME(z, n, data) BOOST_PP_CAT(arg, BOOST_PP_INC(n))
  30 // Tn argn
  31 #define BOOST_SIGNALS2_SIGNATURE_FULL_ARG(z, n, data) \
  32   BOOST_PP_CAT(T, BOOST_PP_INC(n)) BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
  33 // T1 arg1, T2 arg2, ..., Tn argn
  34 #define BOOST_SIGNALS2_SIGNATURE_FULL_ARGS(arity) \
  35   BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_FULL_ARG, ~)
  36 // arg1, arg2, ..., argn
  37 #define BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity) BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_ARG_NAME, ~)
  38 // T1, T2, ..., TN
  39 #define BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(arity) \
  40   BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
  41 // R (T1, T2, ..., TN)
  42 #define BOOST_SIGNALS2_SIGNATURE_FUNCTION_TYPE(arity) \
  43   R ( BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(arity) )
  44 // typename prefixR, typename prefixT1, typename prefixT2, ..., typename prefixTN
  45 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_DECL(arity, prefix) \
  46   typename BOOST_PP_CAT(prefix, R) BOOST_PP_COMMA_IF(arity) \
  47   BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename BOOST_PP_CAT(prefix, T))
  48 // typename R, typename T1, typename T2, ..., typename TN
  49 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity) \
  50   typename R BOOST_PP_COMMA_IF(arity) \
  51   BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename T)
  52 // typename prefixT1, typename prefixT2, ..., typename prefixTN
  53 #define BOOST_SIGNALS2_PREFIXED_ARGS_TEMPLATE_DECL(arity, prefix) \
  54   BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename BOOST_PP_CAT(prefix, T))
  55 // typename T1, typename T2, ..., typename TN
  56 #define BOOST_SIGNALS2_ARGS_TEMPLATE_DECL(arity) \
  57   BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename T)
  58 // prefixR, prefixT1, prefixT2, ..., prefixTN
  59 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_INSTANTIATION(arity, prefix) \
  60   BOOST_PP_CAT(prefix, R) BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), BOOST_PP_CAT(prefix, T))
  61 // R, T1, T2, ..., TN
  62 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) \
  63   R BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
  64 // boost::functionN<R, T1, T2, ..., TN>
  65 #define BOOST_SIGNALS2_FUNCTION_N_DECL(arity) BOOST_PP_CAT(boost::function, arity)<\
  66   BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) >
  67 // R, const boost::signals2::connection&, T1, T2, ..., TN
  68 #define BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity) \
  69   R, const boost::signals2::connection&  BOOST_PP_COMMA_IF(arity) \
  70   BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
  71 // boost::functionN<R, const boost::signals2::connection &, T1, T2, ..., TN>
  72 #define BOOST_SIGNALS2_EXT_FUNCTION_N_DECL(arity) BOOST_PP_CAT(boost::function, BOOST_PP_INC(arity))<\
  73   BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity) >
  74 // slotN
  75 #define BOOST_SIGNALS2_SLOT_CLASS_NAME(arity) BOOST_PP_CAT(slot, arity)
  76 // slotN+1<R, const connection &, T1, T2, ..., TN, extended_slot_function_type>
  77 #define BOOST_SIGNALS2_EXTENDED_SLOT_TYPE(arity) \
  78   BOOST_SIGNALS2_SLOT_CLASS_NAME(BOOST_PP_INC(arity))< \
  79   BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity), \
  80   extended_slot_function_type>
  81 // bound_extended_slot_functionN
  82 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_N(arity) BOOST_PP_CAT(bound_extended_slot_function, arity)
  83 // bound_extended_slot_function_helperN
  84 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_INVOKER_N(arity) BOOST_PP_CAT(bound_extended_slot_function_invoker, arity)
  85 // typename function_traits<Signature>::argn_type
  86 #define BOOST_SIGNALS2_SIGNATURE_TO_ARGN_TYPE(z, n, Signature) \
  87   BOOST_PP_CAT(BOOST_PP_CAT(typename function_traits<Signature>::arg, BOOST_PP_INC(n)), _type)
  88 // typename function_traits<Signature>::result_type,
  89 // typename function_traits<Signature>::arg1_type,
  90 // typename function_traits<Signature>::arg2_type,
  91 // ...,
  92 // typename function_traits<Signature>::argn_type
  93 #define BOOST_SIGNALS2_PORTABLE_SIGNATURE(arity, Signature) \
  94   typename function_traits<Signature>::result_type \
  95   BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_TO_ARGN_TYPE, Signature)
  96 // prefixTn & argn
  97 #define BOOST_SIGNALS2_PREFIXED_FULL_REF_ARG(z, n, prefix) \
  98   BOOST_PP_CAT(BOOST_PP_CAT(prefix, T), BOOST_PP_INC(n)) & BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
  99 // prefixT1 & arg1, prefixT2 & arg2, ..., prefixTn & argn
 100 #define BOOST_SIGNALS2_PREFIXED_FULL_REF_ARGS(arity, prefix) \
 101   BOOST_PP_ENUM(arity, BOOST_SIGNALS2_PREFIXED_FULL_REF_ARG, prefix)
 102 // Tn & argn
 103 #define BOOST_SIGNALS2_FULL_CREF_ARG(z, n, data) \
 104   const BOOST_PP_CAT(T, BOOST_PP_INC(n)) & BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
 105 // const T1 & arg1, const T2 & arg2, ..., const Tn & argn
 106 #define BOOST_SIGNALS2_FULL_FORWARD_ARGS(arity) \
 107   BOOST_PP_ENUM(arity, BOOST_SIGNALS2_FULL_CREF_ARG, ~)
 108 #define BOOST_SIGNALS2_FORWARDED_ARGS(arity) \
 109   BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity)
 110 // preprocessed_arg_typeN
 111 #define BOOST_SIGNALS2_PREPROCESSED_ARG_N_TYPE_CLASS_NAME(arity) BOOST_PP_CAT(preprocessed_arg_type, arity)
 112
 113 // typename R, typename T1, typename T2, ..., typename TN, typename SlotFunction
 114 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION_DECL(arity) \
 115   BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity), \
 116   typename SlotFunction
 117 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION
 118
 119 // typename R, typename T1, typename T2, ..., typename TN, typename Combiner, ...
 120 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DECL(arity) \
 121   BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity), \
 122   typename Combiner, \
 123   typename Group, \
 124   typename GroupCompare, \
 125   typename SlotFunction, \
 126   typename ExtendedSlotFunction, \
 127   typename Mutex
 128 // typename R, typename T1, typename T2, ..., typename TN, typename Combiner = optional_last_value<R>, ...
 129 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DEFAULTED_DECL(arity) \
 130   BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity), \
 131   typename Combiner = optional_last_value<R>, \
 132   typename Group = int, \
 133   typename GroupCompare = std::less<Group>, \
 134   typename SlotFunction = BOOST_SIGNALS2_FUNCTION_N_DECL(arity), \
 135   typename ExtendedSlotFunction = BOOST_SIGNALS2_EXT_FUNCTION_N_DECL(arity), \
 136   typename Mutex = signals2::mutex
 137 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION_DECL(arity) BOOST_SIGNALS2_SIGNAL_TEMPLATE_DECL(arity)
 138 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION
 139
 140 #define BOOST_SIGNALS2_STD_FUNCTIONAL_BASE(result_type) std_functional_base
 141
 142 #define BOOST_SIGNALS2_PP_COMMA_IF(arity) BOOST_PP_COMMA_IF(arity)
 143
 144 #else // BOOST_NO_CXX11_VARIADIC_TEMPLATES
 145
 146 #define BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity) signal
 147 #define BOOST_SIGNALS2_WEAK_SIGNAL_CLASS_NAME(arity) weak_signal
 148 #define BOOST_SIGNALS2_SIGNAL_IMPL_CLASS_NAME(arity) signal_impl
 149 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity) typename Signature
 150 #define BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(arity) Args...
 151 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) R (Args...)
 152 #define BOOST_SIGNALS2_SIGNATURE_FUNCTION_TYPE(arity) R (Args...)
 153 #define BOOST_SIGNALS2_ARGS_TEMPLATE_DECL(arity) typename ... Args
 154 #define BOOST_SIGNALS2_FULL_FORWARD_ARGS(arity) Args && ... args
 155 #define BOOST_SIGNALS2_FORWARDED_ARGS(arity) std::forward<Args>(args)...
 156 #define BOOST_SIGNALS2_SLOT_CLASS_NAME(arity) slot
 157 #define BOOST_SIGNALS2_EXTENDED_SLOT_TYPE(arity) slot<R (const connection &, Args...), extended_slot_function_type>
 158 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_N(arity) bound_extended_slot_function
 159 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_INVOKER_N(arity) bound_extended_slot_function_invoker
 160 #define BOOST_SIGNALS2_FUNCTION_N_DECL(arity) boost::function<Signature>
 161 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_DECL(arity, prefix) typename prefixSignature
 162 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_INSTANTIATION(arity, prefix) prefixSignature
 163 #define BOOST_SIGNALS2_SIGNATURE_FULL_ARGS(arity) Args ... args
 164 #define BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity) args...
 165 #define BOOST_SIGNALS2_PORTABLE_SIGNATURE(arity, Signature) Signature
 166
 167 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION_DECL(arity) \
 168   typename SlotFunction, \
 169   typename R, \
 170   typename ... Args
 171 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION \
 172   <R (Args...), SlotFunction>
 173
 174 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DECL(arity) \
 175   typename Signature, \
 176   typename Combiner, \
 177   typename Group, \
 178   typename GroupCompare, \
 179   typename SlotFunction, \
 180   typename ExtendedSlotFunction, \
 181   typename Mutex
 182 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DEFAULTED_DECL(arity) \
 183   typename Signature, \
 184   typename Combiner = optional_last_value<typename boost::function_traits<Signature>::result_type>, \
 185   typename Group = int, \
 186   typename GroupCompare = std::less<Group>, \
 187   typename SlotFunction = boost::function<Signature>, \
 188   typename ExtendedSlotFunction = typename detail::variadic_extended_signature<Signature>::function_type, \
 189   typename Mutex = signals2::mutex
 190 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION_DECL(arity) \
 191   typename Combiner, \
 192   typename Group, \
 193   typename GroupCompare, \
 194   typename SlotFunction, \
 195   typename ExtendedSlotFunction, \
 196   typename Mutex, \
 197   typename R, \
 198   typename ... Args
 199 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION <\
 200   R (Args...), \
 201   Combiner, \
 202   Group, \
 203   GroupCompare, \
 204   SlotFunction, \
 205   ExtendedSlotFunction, \
 206   Mutex>
 207
 208 #define BOOST_SIGNALS2_STD_FUNCTIONAL_BASE(result_type) \
 209   std_functional_base<result_type , Args...>
 210
 211 #define BOOST_SIGNALS2_PP_COMMA_IF(arity) ,
 212
 213 #endif // BOOST_NO_CXX11_VARIADIC_TEMPLATES
 214
 215 #endif // BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP