mirror of
https://github.com/pybind/pybind11.git
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bd8985aa0f
* Step 1: Establish new `PYBIND11_SMART_HOLDER_ENABLED` macro, but only under include/pybind11/
At the stage `PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT` and `PYBIND11_SMART_HOLDER_ENABLED` are still equivalent.
* Systematically replace all `PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT` with `PYBIND11_SMART_HOLDER_ENABLED` under tests/ and ubench/
As at the previous stage, `PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT` and `PYBIND11_SMART_HOLDER_ENABLED` are still equivalent.
* Introduce `PYBIND11_SMART_HOLDER_DISABLE` option.
* `#ifdef` out entire `wrap()` function to avoid `unused-parameter` warning-as-error under macos-13
```
/Users/runner/work/pybind11/pybind11/tests/test_class_sh_trampoline_basic.cpp:67:23: error: unused parameter 'm' [-Werror,-Wunused-parameter]
void wrap(py::module_ m, const char *py_class_name) {
^
/Users/runner/work/pybind11/pybind11/tests/test_class_sh_trampoline_basic.cpp:67:38: error: unused parameter 'py_class_name' [-Werror,-Wunused-parameter]
void wrap(py::module_ m, const char *py_class_name) {
^
2 errors generated.
```
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
#include <pybind11/smart_holder.h>
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#include "pybind11_tests.h"
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#include <memory>
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namespace pybind11_tests {
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namespace class_sh_trampoline_basic {
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template <int SerNo> // Using int as a trick to easily generate a series of types.
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struct Abase {
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int val = 0;
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virtual ~Abase() = default;
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explicit Abase(int val_) : val{val_} {}
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int Get() const { return val * 10 + 3; }
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virtual int Add(int other_val) const = 0;
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// Some compilers complain about implicitly defined versions of some of the following:
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Abase(const Abase &) = default;
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Abase(Abase &&) noexcept = default;
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Abase &operator=(const Abase &) = default;
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Abase &operator=(Abase &&) noexcept = default;
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};
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template <int SerNo>
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struct AbaseAlias : Abase<SerNo> {
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using Abase<SerNo>::Abase;
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int Add(int other_val) const override {
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PYBIND11_OVERRIDE_PURE(int, /* Return type */
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Abase<SerNo>, /* Parent class */
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Add, /* Name of function in C++ (must match Python name) */
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other_val);
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}
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};
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#ifdef PYBIND11_SMART_HOLDER_ENABLED
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template <>
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struct AbaseAlias<1> : Abase<1>, py::trampoline_self_life_support {
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using Abase<1>::Abase;
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int Add(int other_val) const override {
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PYBIND11_OVERRIDE_PURE(int, /* Return type */
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Abase<1>, /* Parent class */
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Add, /* Name of function in C++ (must match Python name) */
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other_val);
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}
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};
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#endif // PYBIND11_SMART_HOLDER_ENABLED
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template <int SerNo>
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int AddInCppRawPtr(const Abase<SerNo> *obj, int other_val) {
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return obj->Add(other_val) * 10 + 7;
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}
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template <int SerNo>
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int AddInCppSharedPtr(std::shared_ptr<Abase<SerNo>> obj, int other_val) {
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return obj->Add(other_val) * 100 + 11;
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}
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template <int SerNo>
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int AddInCppUniquePtr(std::unique_ptr<Abase<SerNo>> obj, int other_val) {
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return obj->Add(other_val) * 100 + 13;
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}
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#ifdef PYBIND11_SMART_HOLDER_ENABLED
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template <int SerNo>
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void wrap(py::module_ m, const char *py_class_name) {
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py::classh<Abase<SerNo>, AbaseAlias<SerNo>>(m, py_class_name)
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.def(py::init<int>(), py::arg("val"))
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.def("Get", &Abase<SerNo>::Get)
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.def("Add", &Abase<SerNo>::Add, py::arg("other_val"));
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m.def("AddInCppRawPtr", AddInCppRawPtr<SerNo>, py::arg("obj"), py::arg("other_val"));
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m.def("AddInCppSharedPtr", AddInCppSharedPtr<SerNo>, py::arg("obj"), py::arg("other_val"));
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m.def("AddInCppUniquePtr", AddInCppUniquePtr<SerNo>, py::arg("obj"), py::arg("other_val"));
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}
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#endif
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} // namespace class_sh_trampoline_basic
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} // namespace pybind11_tests
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using namespace pybind11_tests::class_sh_trampoline_basic;
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(Abase<0>)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(Abase<1>)
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TEST_SUBMODULE(class_sh_trampoline_basic, m) {
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m.attr("defined_PYBIND11_SMART_HOLDER_ENABLED") =
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#ifndef PYBIND11_SMART_HOLDER_ENABLED
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false;
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#else
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true;
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wrap<0>(m, "Abase0");
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wrap<1>(m, "Abase1");
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#endif // PYBIND11_SMART_HOLDER_ENABLED
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}
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