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Avoid use of lambda to work around a clang bug. (#1883)

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Clang has a bug [1] in x86 Windows that is exposed by the use of lambdas with "unforwardable" prototypes. The error is "error: cannot compile this forwarded non-trivially copyable parameter yet", and the message was introduced in [2] (used to be an assertion).

[1] https://llvm.org/bugs/show_bug.cgi?id=28299
[2] feb1567e07
This commit is contained in:
Borja Zarco 2019-08-15 07:42:43 -04:00 committed by Wenzel Jakob
parent bdf1a2cc34
commit b2fdfd1228
1 changed files with 30 additions and 28 deletions
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58
include/pybind11/detail/internals.h
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@ -173,6 +173,34 @@ inline internals **&get_internals_pp() {
return internals_pp;
}
inline void translate_exception(std::exception_ptr p) {
try {
if (p) std::rethrow_exception(p);
} catch (error_already_set &e) { e.restore(); return;
} catch (const builtin_exception &e) { e.set_error(); return;
} catch (const std::bad_alloc &e) { PyErr_SetString(PyExc_MemoryError, e.what()); return;
} catch (const std::domain_error &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::invalid_argument &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::length_error &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::out_of_range &e) { PyErr_SetString(PyExc_IndexError, e.what()); return;
} catch (const std::range_error &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::exception &e) { PyErr_SetString(PyExc_RuntimeError, e.what()); return;
} catch (...) {
PyErr_SetString(PyExc_RuntimeError, "Caught an unknown exception!");
return;
}
}
#if !defined(__GLIBCXX__)
inline void translate_local_exception(std::exception_ptr p) {
try {
if (p) std::rethrow_exception(p);
} catch (error_already_set &e) { e.restore(); return;
} catch (const builtin_exception &e) { e.set_error(); return;
}
}
#endif
/// Return a reference to the current `internals` data
PYBIND11_NOINLINE inline internals &get_internals() {
auto **&internals_pp = get_internals_pp();
@ -198,15 +226,7 @@ PYBIND11_NOINLINE inline internals &get_internals() {
//
// libstdc++ doesn't require this (types there are identified only by name)
#if !defined(__GLIBCXX__)
(*internals_pp)->registered_exception_translators.push_front(
[](std::exception_ptr p) -> void {
try {
if (p) std::rethrow_exception(p);
} catch (error_already_set &e) { e.restore(); return;
} catch (const builtin_exception &e) { e.set_error(); return;
}
}
);
(*internals_pp)->registered_exception_translators.push_front(&translate_local_exception);
#endif
} else {
if (!internals_pp) internals_pp = new internals*();
@ -229,25 +249,7 @@ PYBIND11_NOINLINE inline internals &get_internals() {
internals_ptr->istate = tstate->interp;
#endif
builtins[id] = capsule(internals_pp);
internals_ptr->registered_exception_translators.push_front(
[](std::exception_ptr p) -> void {
try {
if (p) std::rethrow_exception(p);
} catch (error_already_set &e) { e.restore(); return;
} catch (const builtin_exception &e) { e.set_error(); return;
} catch (const std::bad_alloc &e) { PyErr_SetString(PyExc_MemoryError, e.what()); return;
} catch (const std::domain_error &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::invalid_argument &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::length_error &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::out_of_range &e) { PyErr_SetString(PyExc_IndexError, e.what()); return;
} catch (const std::range_error &e) { PyErr_SetString(PyExc_ValueError, e.what()); return;
} catch (const std::exception &e) { PyErr_SetString(PyExc_RuntimeError, e.what()); return;
} catch (...) {
PyErr_SetString(PyExc_RuntimeError, "Caught an unknown exception!");
return;
}
}
);
internals_ptr->registered_exception_translators.push_front(&translate_exception);
internals_ptr->static_property_type = make_static_property_type();
internals_ptr->default_metaclass = make_default_metaclass();
internals_ptr->instance_base = make_object_base_type(internals_ptr->default_metaclass);