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SH, improve error message from shared_ptr cast policy check

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Jakob Lykke Andersen 2021-06-19 16:43:12 +02:00 committed by Ralf W. Grosse-Kunstleve
parent be60fc52a4
commit 7312e624b2
1 changed files with 10 additions and 9 deletions
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19
include/pybind11/detail/smart_holder_type_casters.h
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@ -627,15 +627,16 @@ struct smart_holder_type_caster<std::shared_ptr<T>> : smart_holder_type_caster_l
static constexpr auto name = _<std::shared_ptr<T>>();
static handle cast(const std::shared_ptr<T> &src, return_value_policy policy, handle parent) {
if (policy != return_value_policy::automatic
&& policy != return_value_policy::automatic_reference
// (but not take_ownership)
&& policy != return_value_policy::copy
&& policy != return_value_policy::move
// (but not reference)
&& policy != return_value_policy::reference_internal) {
// SMART_HOLDER_WIP: IMPROVABLE: Error message.
throw cast_error("Invalid return_value_policy for shared_ptr.");
switch (policy) {
case return_value_policy::automatic: break;
case return_value_policy::automatic_reference: break;
case return_value_policy::take_ownership:
throw cast_error("Invalid return_value_policy for shared_ptr (take_ownership).");
case return_value_policy::copy: break;
case return_value_policy::move: break;
case return_value_policy::reference:
throw cast_error("Invalid return_value_policy for shared_ptr (reference).");
case return_value_policy::reference_internal: break;
}
if (!src)
return none().release();