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MESSY but success for: test_get_vec_size_raw_shared[get_drvd_as_base0_raw_ptr-vec_size_base0_shared_ptr]

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scons -j 48 selected_test_cpp=test_class_sh_mi_thunks.cpp && "$(cat PYROOT)"/bin/python3 $HOME/clone/pybind11_scons/run_tests.py ../pybind11 test_class_sh_mi_thunks.py -s -vv -k 'test_get_vec_size_raw_shared[get_drvd_as_base0_raw_ptr-vec_size_base0_shared_ptr]'

```
=========================================================== test session starts ============================================================
platform linux -- Python 3.11.8, pytest-7.4.4, pluggy-1.5.0 -- /usr/bin/python3
cachedir: .pytest_cache
C++ Info: 13.2.0 C++20 __pybind11_internals_v10000000_gcc_libstdcpp_cxxabi1018__ PYBIND11_SIMPLE_GIL_MANAGEMENT=False PYBIND11_NUMPY_1_ONLY=False
rootdir: /usr/local/google/home/rwgk/forked/pybind11/tests
configfile: pytest.ini
plugins: xdist-3.5.0
collected 10 items / 9 deselected / 1 selected

test_class_sh_mi_thunks.py::test_get_vec_size_raw_shared[get_drvd_as_base0_raw_ptr-vec_size_base0_shared_ptr]
LOOOK A

LOOOK get raw drvd 47927280

LOOOK get raw base 47927312

LOOOK B

LOOOK shd load(src, convert) X

LOOOK shd try_implicit_casts(src, convert) Q

LOOOK shd try_implicit_casts(src, convert) R

LOOOK shd load(src, convert) X

LOOOK shd load_value(v_h) ENTRY

LOOOK shd load_value(v_h) A

LOOOK shd load_value(v_h) B

LOOOK shd load(src, convert) Y 47927280

LOOOK shd try_implicit_casts(src, convert) S

LOOOK shd load(src, convert) Y 47927312

LOOOK operator std::shared_ptr<type> & A 47927312 /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/../cast.h:891

LOOOK /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/../detail/type_caster_base.h:838

LOOOK /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/../detail/type_caster_base.h:842

LOOOK operator std::shared_ptr<type> & B 47927312 /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/detail/../cast.h:893

LOOOK shd const Base0 *obj 47927312

LOOOK shd const auto *obj_der 47927280

LOOOK C
PASSED

===================================================== 1 passed, 9 deselected in 0.01s ======================================================
```
This commit is contained in:
Ralf W. Grosse-Kunstleve 2024-07-06 15:27:04 -07:00
parent eb15f1a384
commit bb6b429a2f
4 changed files with 47 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
include/pybind11/cast.h
View File

@ -848,11 +848,19 @@ public:
using base::value;
bool load(handle src, bool convert) {
#ifdef JUNK
if (typeinfo->default_holder) {
return type_caster_generic::load(src, convert);
printf("\nLOOOK shd load(src, convert) A\n"); fflush(stdout); // NOLINT
bool retval = type_caster_generic::load(src, convert);
printf("\nLOOOK shd load(src, convert) B %ld\n", (long) value); fflush(stdout); // NOLINT
return retval;
}
return base::template load_impl<copyable_holder_caster<type, std::shared_ptr<type>>>(
#endif
printf("\nLOOOK shd load(src, convert) X\n"); fflush(stdout); // NOLINT
bool retval = base::template load_impl<copyable_holder_caster<type, std::shared_ptr<type>>>(
src, convert);
printf("\nLOOOK shd load(src, convert) Y %ld\n", (long) value); fflush(stdout); // NOLINT
return retval;
}
explicit operator type *() {
@ -880,7 +888,9 @@ public:
explicit operator std::shared_ptr<type> &() {
if (typeinfo->default_holder) {
printf("\nLOOOK operator std::shared_ptr<type> & A %ld %s:%d\n", (long) value, __FILE__, __LINE__); fflush(stdout); // NOLINT
shared_ptr_holder = sh_load_helper.loaded_as_shared_ptr(value);
printf("\nLOOOK operator std::shared_ptr<type> & B %ld %s:%d\n", (long) shared_ptr_holder.get(), __FILE__, __LINE__); fflush(stdout); // NOLINT
}
return shared_ptr_holder;
}
@ -920,9 +930,12 @@ protected:
}
void load_value(value_and_holder &&v_h) {
printf("\nLOOOK shd load_value(v_h) ENTRY\n"); fflush(stdout); // NOLINT
if (typeinfo->default_holder) {
printf("\nLOOOK shd load_value(v_h) A\n"); fflush(stdout); // NOLINT
sh_load_helper.loaded_v_h = v_h;
type_caster_generic::load_value(std::move(v_h));
printf("\nLOOOK shd load_value(v_h) B\n"); fflush(stdout); // NOLINT
return;
}
load_value_shared_ptr(v_h);
@ -938,7 +951,24 @@ protected:
detail::enable_if_t<std::is_constructible<T, const T &, type *>::value, int> = 0>
bool try_implicit_casts(handle src, bool convert) {
if (typeinfo->default_holder) {
return type_caster_generic::try_implicit_casts(src, convert);
#ifdef JUNK
printf("\nLOOOK shd try_implicit_casts(src, convert) E\n"); fflush(stdout); // NOLINT
bool retval = type_caster_generic::try_implicit_casts(src, convert);
printf("\nLOOOK shd try_implicit_casts(src, convert) F\n"); fflush(stdout); // NOLINT
return retval;
#endif
printf("\nLOOOK shd try_implicit_casts(src, convert) Q\n"); fflush(stdout); // NOLINT
for (auto &cast : typeinfo->implicit_casts) {
printf("\nLOOOK shd try_implicit_casts(src, convert) R\n"); fflush(stdout); // NOLINT
copyable_holder_caster sub_caster(*cast.first);
if (sub_caster.load(src, convert)) {
printf("\nLOOOK shd try_implicit_casts(src, convert) S\n"); fflush(stdout); // NOLINT
value = cast.second(sub_caster.value);
sh_load_helper.loaded_v_h = sub_caster.sh_load_helper.loaded_v_h;
return true;
}
}
return false;
}
for (auto &cast : typeinfo->implicit_casts) {
copyable_holder_caster sub_caster(*cast.first);

3
include/pybind11/detail/type_caster_base.h
View File

@ -835,9 +835,11 @@ struct load_helper : value_and_holder_helper {
std::shared_ptr<T> loaded_as_shared_ptr(void *void_raw_ptr,
handle responsible_parent = nullptr) const {
printf("\nLOOOK %s:%d\n", __FILE__, __LINE__); fflush(stdout); // NOLINT
if (!have_holder()) {
return nullptr;
}
printf("\nLOOOK %s:%d\n", __FILE__, __LINE__); fflush(stdout); // NOLINT
throw_if_uninitialized_or_disowned_holder(typeid(T));
holder_type &hld = holder();
hld.ensure_is_not_disowned("loaded_as_shared_ptr");
@ -1110,6 +1112,7 @@ public:
type_caster_generic sub_caster(*cast.first);
if (sub_caster.load(src, convert)) {
value = cast.second(sub_caster.value);
printf("\nLOOOK implicit from %ld to %ld\n", (long) sub_caster.value, (long) value); fflush(stdout); // NOLINT
return true;
}
}

8
tests/test_class_sh_mi_thunks.cpp
View File

@ -58,6 +58,8 @@ TEST_SUBMODULE(class_sh_mi_thunks, m) {
[]() {
auto *drvd = new Derived;
auto *base0 = dynamic_cast<Base0 *>(drvd);
printf("\nLOOOK get raw drvd %ld\n", (long) drvd); fflush(stdout); // NOLINT
printf("\nLOOOK get raw base %ld\n", (long) base0); fflush(stdout); // NOLINT
return base0;
},
py::return_value_policy::take_ownership);
@ -65,6 +67,8 @@ TEST_SUBMODULE(class_sh_mi_thunks, m) {
m.def("get_drvd_as_base0_shared_ptr", []() {
auto drvd = std::make_shared<Derived>();
auto base0 = std::dynamic_pointer_cast<Base0>(drvd);
printf("\nLOOOK get shd drvd %ld\n", (long) drvd.get()); fflush(stdout); // NOLINT
printf("\nLOOOK get shd base %ld\n", (long) base0.get()); fflush(stdout); // NOLINT
return base0;
});
@ -75,7 +79,9 @@ TEST_SUBMODULE(class_sh_mi_thunks, m) {
});
m.def("vec_size_base0_raw_ptr", [](const Base0 *obj) {
printf("\nLOOOK raw const Base0 *obj %ld\n", (long) obj); fflush(stdout); // NOLINT
const auto *obj_der = dynamic_cast<const Derived *>(obj);
printf("\nLOOOK raw const auto *obj_der %ld\n", (long) obj_der); fflush(stdout); // NOLINT
if (obj_der == nullptr) {
return std::size_t(0);
}
@ -83,7 +89,9 @@ TEST_SUBMODULE(class_sh_mi_thunks, m) {
});
m.def("vec_size_base0_shared_ptr", [](const std::shared_ptr<Base0> &obj) -> std::size_t {
printf("\nLOOOK shd const Base0 *obj %ld\n", (long) obj.get()); fflush(stdout); // NOLINT
const auto obj_der = std::dynamic_pointer_cast<Derived>(obj);
printf("\nLOOOK shd const auto *obj_der %ld\n", (long) obj_der.get()); fflush(stdout); // NOLINT
if (!obj_der) {
return std::size_t(0);
}

3
tests/test_class_sh_mi_thunks.py
View File

@ -30,8 +30,11 @@ def test_ptrdiff_drvd_base0():
],
)
def test_get_vec_size_raw_shared(get_fn, vec_size_fn):
print(f"\nLOOOK A", flush=True)
obj = get_fn()
print(f"\nLOOOK B", flush=True)
assert vec_size_fn(obj) == 5
print(f"\nLOOOK C", flush=True)
@pytest.mark.parametrize(