ceph/src/boost/libs/python/test/bienstman1.cpp

   1 // Copyright David Abrahams 2004. Distributed under the Boost
   2 // Software License, Version 1.0. (See accompanying
   3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4 #include <boost/python/module.hpp>
   5 #include <boost/python/def.hpp>
   6 #include <boost/python/class.hpp>
   7 #include <boost/python/reference_existing_object.hpp>
   8 #include <boost/python/return_value_policy.hpp>
   9
  10 struct A {};
  11
  12 struct V
  13 {
  14  virtual ~V() {}; // silence compiler warningsa
  15  virtual void f() = 0;
  16
  17  const A* inside() {return &a;}
  18
  19  A a;
  20 };
  21
  22 const A* outside(const V& v) {return &v.a;}
  23
  24 BOOST_PYTHON_MODULE(bienstman1_ext)
  25 {
  26   using namespace boost::python;
  27   using boost::shared_ptr;
  28   using boost::python::return_value_policy;
  29   using boost::python::reference_existing_object;
  30
  31   class_<A>("A");
  32
  33   class_<V, boost::noncopyable>("V", no_init)
  34       .def("inside", &V::inside,
  35            return_value_policy<reference_existing_object>())
  36       .def("outside", outside,
  37            return_value_policy<reference_existing_object>())
  38       ;
  39 }
  40