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3rdparty/boost_1_81_0/libs/python/test/args.cpp 3.33 KB
73ef4ff3   Hu Chunming   提交三方库
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  // 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)
  #include <boost/python/module.hpp>
  #include "test_class.hpp"
  #include <boost/python/def.hpp>
  #include <boost/python/args.hpp>
  #include <boost/python/tuple.hpp>
  #include <boost/python/class.hpp>
  #include <boost/python/overloads.hpp>
  #include <boost/python/raw_function.hpp>
  #include <boost/python/return_internal_reference.hpp>
  
  using namespace boost::python;
  
  #if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580)) || BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1500))
  # define make_tuple boost::python::make_tuple
  #endif 
  
  tuple f(int x = 1, double y = 4.25, char const* z = "wow")
  {
      return make_tuple(x, y, z);
  }
  
  BOOST_PYTHON_FUNCTION_OVERLOADS(f_overloads, f, 0, 3)
      
  typedef test_class<> Y;
  
  struct X
  {
      X(int a0 = 0, int a1 = 1) : inner0(a0), inner1(a1) {}
      tuple f(int x = 1, double y = 4.25, char const* z = "wow")
      {
          return make_tuple(x, y, z);
      }
  
      Y const& inner(bool n) const { return n ? inner1 : inner0; }
      
      Y inner0;
      Y inner1;
  };
  
  BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS(X_f_overloads, X::f, 0, 3)
  
  
  tuple raw_func(tuple args, dict kw)
  {
      return make_tuple(args, kw);
  }
  
  BOOST_PYTHON_MODULE(args_ext)
  {
      def("f", f, (arg("x")=1, arg("y")=4.25, arg("z")="wow")
          , "This is f's docstring"
          );
  
      def("raw", raw_function(raw_func));
      
  #if defined(BOOST_MSVC) && BOOST_MSVC <= 1200
      // MSVC6 gives a fatal error LNK1179: invalid or corrupt file:
      // duplicate comdat error if we try to re-use the exact type of f
      // here, so substitute long for int.
      tuple (*f)(long,double,char const*) = 0;
  #endif 
      def("f1", f, f_overloads("f1's docstring", args("x", "y", "z")));
      def("f2", f, f_overloads(args("x", "y", "z")));
      def("f3", f, f_overloads(args("x", "y", "z"), "f3's docstring"));
      
      class_<Y>("Y", init<int>(args("value"), "Y's docstring"))
          .def("value", &Y::value)
          .def("raw", raw_function(raw_func))
          ;
              
      class_<X>("X", "This is X's docstring", init<>(args("self")))
          .def(init<int, optional<int> >(args("self", "a0", "a1")))
          .def("f", &X::f
               , "This is X.f's docstring"
               , args("self","x", "y", "z"))
  
          // Just to prove that all the different argument combinations work
          .def("inner0", &X::inner, return_internal_reference<>(), args("self", "n"), "docstring")
          .def("inner1", &X::inner, return_internal_reference<>(), "docstring", args("self", "n"))
  
          .def("inner2", &X::inner, args("self", "n"), return_internal_reference<>(), "docstring")
          .def("inner3", &X::inner, "docstring", return_internal_reference<>(), args("self", "n"))
  
          .def("inner4", &X::inner, args("self", "n"), "docstring", return_internal_reference<>())
          .def("inner5", &X::inner, "docstring", args("self", "n"), return_internal_reference<>())
  
          .def("f1", &X::f, X_f_overloads(args("self", "x", "y", "z")))
          .def("f2", &X::f, X_f_overloads(args("self", "x", "y", "z"), "f2's docstring"))
          .def("f2", &X::f, X_f_overloads(args("x", "y", "z"), "f2's docstring"))
          ;
  
      def("inner", &X::inner, "docstring", args("self", "n"), return_internal_reference<>());
  }
  
  #include "module_tail.cpp"