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3rdparty/boost_1_81_0/boost/python/detail/target.hpp 2.9 KB
0b6a182c   Hu Chunming   添加无鉴权注册和注销
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  #if !defined(BOOST_PP_IS_ITERATING)
  
  // Copyright David Abrahams 2002.
  // 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)
  
  # ifndef TARGET_DWA2002521_HPP
  #  define TARGET_DWA2002521_HPP
  
  #  include <boost/python/detail/preprocessor.hpp>
  
  #  include <boost/type.hpp>
  
  #  include <boost/preprocessor/comma_if.hpp>
  #  include <boost/preprocessor/if.hpp>
  #  include <boost/preprocessor/iterate.hpp>
  #  include <boost/preprocessor/debug/line.hpp>
  #  include <boost/preprocessor/enum_params.hpp>
  #  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
  
  namespace boost { namespace python { namespace detail {
  
  #  define BOOST_PP_ITERATION_PARAMS_1                                                                   \
      (4, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/target.hpp>, BOOST_PYTHON_FUNCTION_POINTER))
  #  include BOOST_PP_ITERATE()
  
  #  define BOOST_PP_ITERATION_PARAMS_1                                                                    \
      (4, (0, BOOST_PYTHON_CV_COUNT - 1, <boost/python/detail/target.hpp>, BOOST_PYTHON_POINTER_TO_MEMBER))
  #  include BOOST_PP_ITERATE()
  
  template <class R, class T>
  T& (* target(R (T::*)) )() { return 0; }
  
  }}} // namespace boost::python::detail
  
  # endif // TARGET_DWA2002521_HPP
  
  /* --------------- function pointers --------------- */
  // For gcc 4.4 compatability, we must include the
  // BOOST_PP_ITERATION_DEPTH test inside an #else clause.
  #else // BOOST_PP_IS_ITERATING
  #if BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
  # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
          && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
  #  line BOOST_PP_LINE(__LINE__, target.hpp(function_pointers))
  # endif 
  
  # define N BOOST_PP_ITERATION()
  
  template <class R BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
  BOOST_PP_IF(N, A0, void)(* target(R (*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A))) )()
  {
      return 0;
  }
  
  # undef N
  
  /* --------------- pointers-to-members --------------- */
  #elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_POINTER_TO_MEMBER
  // Outer over cv-qualifiers
  
  # define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/target.hpp>))
  # include BOOST_PP_ITERATE()
  
  #elif BOOST_PP_ITERATION_DEPTH() == 2
  # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
          && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
  #  line BOOST_PP_LINE(__LINE__, target.hpp(pointers-to-members))
  # endif 
  // Inner over arities
  
  # define N BOOST_PP_ITERATION()
  # define Q BOOST_PYTHON_CV_QUALIFIER(BOOST_PP_RELATIVE_ITERATION(1))
  
  template <class R, class T BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
  T& (* target(R (T::*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)) Q) )()
  {
      return 0;
  }
  
  # undef N
  # undef Q
  
  #endif // BOOST_PP_ITERATION_DEPTH()
  #endif