| /* |
| example/issues.cpp -- collection of testcases for miscellaneous issues |
| |
| Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch> |
| |
| All rights reserved. Use of this source code is governed by a |
| BSD-style license that can be found in the LICENSE file. |
| */ |
| |
| #include "example.h" |
| #include <pybind11/stl.h> |
| |
| struct Base { |
| virtual void dispatch(void) const = 0; |
| }; |
| |
| struct DispatchIssue : Base { |
| virtual void dispatch(void) const { |
| PYBIND11_OVERLOAD_PURE(void, Base, dispatch, /* no arguments */); |
| } |
| }; |
| |
| struct Placeholder { int i; Placeholder(int i) : i(i) { } }; |
| |
| void dispatch_issue_go(const Base * b) { b->dispatch(); } |
| |
| void init_issues(py::module &m) { |
| py::module m2 = m.def_submodule("issues"); |
| |
| // #137: const char* isn't handled properly |
| m2.def("print_cchar", [](const char *string) { std::cout << string << std::endl; }); |
| |
| // #150: char bindings broken |
| m2.def("print_char", [](char c) { std::cout << c << std::endl; }); |
| |
| // #159: virtual function dispatch has problems with similar-named functions |
| py::class_<DispatchIssue> base(m2, "DispatchIssue"); |
| base.alias<Base>() |
| .def(py::init<>()) |
| .def("dispatch", &Base::dispatch); |
| |
| m2.def("dispatch_issue_go", &dispatch_issue_go); |
| |
| py::class_<Placeholder>(m2, "Placeholder") |
| .def(py::init<int>()) |
| .def("__repr__", [](const Placeholder &p) { return "Placeholder[" + std::to_string(p.i) + "]"; }); |
| |
| // #171: Can't return reference wrappers (or STL datastructures containing them) |
| m2.def("return_vec_of_reference_wrapper", [](std::reference_wrapper<Placeholder> p4){ |
| Placeholder *p1 = new Placeholder{1}; |
| Placeholder *p2 = new Placeholder{2}; |
| Placeholder *p3 = new Placeholder{3}; |
| std::vector<std::reference_wrapper<Placeholder>> v; |
| v.push_back(std::ref(*p1)); |
| v.push_back(std::ref(*p2)); |
| v.push_back(std::ref(*p3)); |
| v.push_back(p4); |
| return v; |
| }); |
| |
| // #181: iterator passthrough did not compile |
| m2.def("iterator_passthrough", [](py::iterator s) -> py::iterator { |
| return py::make_iterator(std::begin(s), std::end(s)); |
| }); |
| } |