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be903e2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | /* Tencent is pleased to support the open source community by making ncnn available.
*
* Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
#ifndef PYBIND11_NCNN_BIND_H
#define PYBIND11_NCNN_BIND_H
#include <pybind11/functional.h>
///////////////////////////////////////////////////////////////////////////////////////////////////////////////
// virtual function pass by reference by https://github.com/pybind/pybind11/issues/2033
#define PYBIND11_OVERRIDE_REFERENCE_IMPL(ret_type, cname, name, ...) \
do \
{ \
pybind11::gil_scoped_acquire gil; \
pybind11::function override = pybind11::get_override(static_cast<const cname*>(this), name); \
if (override) \
{ \
auto o = override.operator()<pybind11::return_value_policy::reference>(__VA_ARGS__); \
if (pybind11::detail::cast_is_temporary_value_reference<ret_type>::value) \
{ \
static pybind11::detail::override_caster_t<ret_type> caster; \
return pybind11::detail::cast_ref<ret_type>(std::move(o), caster); \
} \
else \
return pybind11::detail::cast_safe<ret_type>(std::move(o)); \
} \
} while (false)
#define PYBIND11_OVERRIDE_REFERENCE_NAME(ret_type, cname, name, fn, ...) \
do \
{ \
PYBIND11_OVERRIDE_REFERENCE_IMPL(PYBIND11_TYPE(ret_type), PYBIND11_TYPE(cname), name, __VA_ARGS__); \
return cname::fn(__VA_ARGS__); \
} while (false)
#define PYBIND11_OVERRIDE_REFERENCE(ret_type, cname, fn, ...) \
PYBIND11_OVERRIDE_REFERENCE_NAME(PYBIND11_TYPE(ret_type), PYBIND11_TYPE(cname), #fn, fn, __VA_ARGS__)
///////////////////////////////////////////////////////////////////////////////////////////////////////////////
#endif |