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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/python/test/polymorphism.cpp
parentInitial commit. (diff)
downloadceph-upstream/16.2.11+ds.tar.xz
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Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/python/test/polymorphism.cpp')
-rw-r--r--src/boost/libs/python/test/polymorphism.cpp162
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diff --git a/src/boost/libs/python/test/polymorphism.cpp b/src/boost/libs/python/test/polymorphism.cpp
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+++ b/src/boost/libs/python/test/polymorphism.cpp
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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 <boost/python/class.hpp>
+#include <boost/python/return_value_policy.hpp>
+#include <boost/python/manage_new_object.hpp>
+#include <boost/python/reference_existing_object.hpp>
+#include <boost/python/call_method.hpp>
+#include <boost/python/pure_virtual.hpp>
+#include <boost/python/def.hpp>
+#include <boost/utility.hpp>
+
+using namespace boost::python;
+
+struct Callback
+{
+ Callback(PyObject* o) : mSelf(o) {}
+ PyObject* mSelf;
+};
+
+struct P
+{
+ virtual ~P(){}
+ virtual std::string f() = 0;
+ std::string g() { return "P::g()"; }
+};
+
+struct PCallback : P, Callback
+{
+ PCallback (PyObject* self) : Callback(self) {}
+
+ std::string f()
+ {
+ return call_method<std::string>(mSelf, "f");
+ }
+};
+
+struct Q : virtual P
+{
+ std::string f() { return "Q::f()"; }
+};
+
+struct A
+{
+ virtual ~A(){}
+ virtual std::string f() { return "A::f()"; }
+};
+
+struct ACallback : A, Callback
+{
+ ACallback (PyObject* self) : Callback(self) {}
+
+
+ std::string f()
+ {
+ return call_method<std::string>(mSelf, "f");
+ }
+
+ std::string default_f()
+ {
+ return A::f();
+ }
+};
+
+struct B : A
+{
+ virtual std::string f() { return "B::f()"; }
+};
+
+struct C : A
+{
+ virtual std::string f() { return "C::f()"; }
+};
+
+struct D : A
+{
+ virtual std::string f() { return "D::f()"; }
+ std::string g() { return "D::g()"; }
+};
+
+struct DCallback : D, Callback
+{
+ DCallback (PyObject* self) : Callback(self) {}
+
+ std::string f()
+ {
+ return call_method<std::string>(mSelf, "f");
+ }
+
+ std::string default_f()
+ {
+ return A::f();
+ }
+};
+
+
+A& getBCppObj ()
+{
+ static B b;
+ return b;
+}
+
+std::string call_f(A& a) { return a.f(); }
+
+A* factory(unsigned choice)
+{
+ switch (choice % 3)
+ {
+ case 0: return new A;
+ break;
+ case 1: return new B;
+ break;
+ default: return new C;
+ break;
+ }
+}
+
+C& getCCppObj ()
+{
+ static C c;
+ return c;
+}
+
+A* pass_a(A* x) { return x; }
+
+BOOST_PYTHON_MODULE_INIT(polymorphism_ext)
+{
+ class_<A,boost::noncopyable,ACallback>("A")
+ .def("f", &A::f, &ACallback::default_f)
+ ;
+
+ def("getBCppObj", getBCppObj, return_value_policy<reference_existing_object>());
+
+ class_<C,bases<A>,boost::noncopyable>("C")
+ .def("f", &C::f)
+ ;
+
+ class_<D,bases<A>,DCallback,boost::noncopyable>("D")
+ .def("f", &D::f, &DCallback::default_f)
+ .def("g", &D::g)
+ ;
+
+ def("pass_a", &pass_a, return_internal_reference<>());
+
+ def("getCCppObj", getCCppObj, return_value_policy<reference_existing_object>());
+
+ def("factory", factory, return_value_policy<manage_new_object>());
+
+ def("call_f", call_f);
+
+ class_<P,boost::noncopyable,PCallback>("P")
+ .def("f", pure_virtual(&P::f))
+ ;
+
+ class_<Q, bases<P> >("Q")
+ .def("g", &P::g) // make sure virtual inheritance doesn't interfere
+ ;
+}
+
+//#include "module_tail.cpp"