mirror of
https://github.com/pybind/pybind11.git
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106 lines
3.8 KiB
C++
106 lines
3.8 KiB
C++
#include "pybind11_tests.h"
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#include <pybind11/smart_holder.h>
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#include <memory>
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namespace pybind11_tests {
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namespace class_sh_inheritance {
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template <int Id>
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struct base_template {
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base_template() : base_id(Id) {}
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virtual ~base_template() = default;
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virtual int id() const { return base_id; }
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int base_id;
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// Some compilers complain about implicitly defined versions of some of the following:
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base_template(const base_template &) = default;
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base_template(base_template &&) noexcept = default;
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base_template &operator=(const base_template &) = default;
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base_template &operator=(base_template &&) noexcept = default;
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};
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using base = base_template<100>;
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struct drvd : base {
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int id() const override { return 2 * base_id; }
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};
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// clang-format off
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inline drvd *rtrn_mptr_drvd() { return new drvd; }
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inline base *rtrn_mptr_drvd_up_cast() { return new drvd; }
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inline int pass_cptr_base(base const *b) { return b->id() + 11; }
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inline int pass_cptr_drvd(drvd const *d) { return d->id() + 12; }
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inline std::shared_ptr<drvd> rtrn_shmp_drvd() { return std::shared_ptr<drvd>(new drvd); }
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inline std::shared_ptr<base> rtrn_shmp_drvd_up_cast() { return std::shared_ptr<drvd>(new drvd); }
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inline int pass_shcp_base(const std::shared_ptr<base const>& b) { return b->id() + 21; }
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inline int pass_shcp_drvd(const std::shared_ptr<drvd const>& d) { return d->id() + 22; }
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// clang-format on
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using base1 = base_template<110>;
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using base2 = base_template<120>;
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// Not reusing base here because it would interfere with the single-inheritance test.
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struct drvd2 : base1, base2 {
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int id() const override { return 3 * base1::base_id + 4 * base2::base_id; }
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};
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// clang-format off
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inline drvd2 *rtrn_mptr_drvd2() { return new drvd2; }
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inline base1 *rtrn_mptr_drvd2_up_cast1() { return new drvd2; }
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inline base2 *rtrn_mptr_drvd2_up_cast2() { return new drvd2; }
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inline int pass_cptr_base1(base1 const *b) { return b->id() + 21; }
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inline int pass_cptr_base2(base2 const *b) { return b->id() + 22; }
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inline int pass_cptr_drvd2(drvd2 const *d) { return d->id() + 23; }
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// clang-format on
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} // namespace class_sh_inheritance
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} // namespace pybind11_tests
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_inheritance::base)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_inheritance::drvd)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_inheritance::base1)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_inheritance::base2)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_inheritance::drvd2)
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namespace pybind11_tests {
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namespace class_sh_inheritance {
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TEST_SUBMODULE(class_sh_inheritance, m) {
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py::classh<base>(m, "base");
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py::classh<drvd, base>(m, "drvd");
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auto rvto = py::return_value_policy::take_ownership;
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m.def("rtrn_mptr_drvd", rtrn_mptr_drvd, rvto);
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m.def("rtrn_mptr_drvd_up_cast", rtrn_mptr_drvd_up_cast, rvto);
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m.def("pass_cptr_base", pass_cptr_base);
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m.def("pass_cptr_drvd", pass_cptr_drvd);
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m.def("rtrn_shmp_drvd", rtrn_shmp_drvd);
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m.def("rtrn_shmp_drvd_up_cast", rtrn_shmp_drvd_up_cast);
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m.def("pass_shcp_base", pass_shcp_base);
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m.def("pass_shcp_drvd", pass_shcp_drvd);
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// __init__ needed for Python inheritance.
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py::classh<base1>(m, "base1").def(py::init<>());
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py::classh<base2>(m, "base2").def(py::init<>());
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py::classh<drvd2, base1, base2>(m, "drvd2");
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m.def("rtrn_mptr_drvd2", rtrn_mptr_drvd2, rvto);
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m.def("rtrn_mptr_drvd2_up_cast1", rtrn_mptr_drvd2_up_cast1, rvto);
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m.def("rtrn_mptr_drvd2_up_cast2", rtrn_mptr_drvd2_up_cast2, rvto);
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m.def("pass_cptr_base1", pass_cptr_base1);
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m.def("pass_cptr_base2", pass_cptr_base2);
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m.def("pass_cptr_drvd2", pass_cptr_drvd2);
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}
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} // namespace class_sh_inheritance
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} // namespace pybind11_tests
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