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Using dynamic_cast<AliasType> to determine pointee_depends_on_holder_owner. (#2910)

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* Adaption of PyCLIF virtual_py_cpp_mix test.

* Removing ValueError: Ownership of instance with virtual overrides in Python cannot be transferred to C++. TODO: static_assert alias class needs to inherit from virtual_overrider_self_life_support.

* Bringing back ValueError: "... instance cannot safely be transferred to C++.", but based on dynamic_cast<AliasType>.

* Fixing oversight: adding test_class_sh_virtual_py_cpp_mix.cpp to cmake file.

* clang <= 3.6 compatibility.

* Fixing oversight: dynamic_raw_ptr_cast_if_possible needs special handling for To = void. Adding corresponding missing test in test_class_sh_virtual_py_cpp_mix. Moving dynamic_raw_ptr_cast_if_possible to separate header.

* Changing py::detail::virtual_overrider_self_life_support to py::virtual_overrider_self_life_support.
This commit is contained in:
Ralf W. Grosse-Kunstleve
2021-03-19 12:18:39 -07:00
committed by GitHub
parent 3f35af7441
commit 5319ca3817
12 changed files with 207 additions and 52 deletions
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3
tests/extra_python_package/test_files.py
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@@ -35,12 +35,14 @@ main_headers = {
"include/pybind11/smart_holder.h",
"include/pybind11/stl.h",
"include/pybind11/stl_bind.h",
"include/pybind11/virtual_overrider_self_life_support.h",
}
detail_headers = {
"include/pybind11/detail/class.h",
"include/pybind11/detail/common.h",
"include/pybind11/detail/descr.h",
"include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h",
"include/pybind11/detail/init.h",
"include/pybind11/detail/internals.h",
"include/pybind11/detail/smart_holder_poc.h",
@@ -48,7 +50,6 @@ detail_headers = {
"include/pybind11/detail/smart_holder_type_casters.h",
"include/pybind11/detail/type_caster_base.h",
"include/pybind11/detail/typeid.h",
"include/pybind11/detail/virtual_overrider_self_life_support.h",
}
cmake_files = {