mirror of
https://github.com/lief-project/LIEF
synced 2026-06-08 15:30:44 +00:00
Romain Thomas
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/* Copyright 2017 - 2026 R. Thomas
|
|
* Copyright 2017 - 2026 Quarkslab
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* 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 PY_LIEF_ERROR_H
|
|
#define PY_LIEF_ERROR_H
|
|
|
|
#include <nanobind/nanobind.h>
|
|
#include "LIEF/errors.hpp"
|
|
|
|
#include "typing.hpp"
|
|
|
|
namespace LIEF::py {
|
|
template<class RetTy>
|
|
struct typing_error : public nanobind::object {
|
|
using value_type = typename RetTy::value_type;
|
|
using err_type = typename RetTy::error_type;
|
|
|
|
static constexpr auto Name = nanobind::detail::const_name("Union[") +
|
|
nanobind::detail::make_caster<value_type>::Name +
|
|
nanobind::detail::const_name(", ") +
|
|
nanobind::detail::make_caster<err_type>::Name +
|
|
nanobind::detail::const_name("]");
|
|
|
|
LIEF_PY_DEFAULT_CTOR(typing_error, nanobind::object);
|
|
NB_OBJECT_DEFAULT_NONAME(typing_error, object, check)
|
|
|
|
static bool check(handle /*h*/) {
|
|
return true;
|
|
}
|
|
};
|
|
|
|
template<class RetTy>
|
|
struct value_or_none_t : public nanobind::object {
|
|
LIEF_PY_DEFAULT_CTOR(value_or_none_t, nanobind::object);
|
|
using value_type = typename RetTy::value_type;
|
|
|
|
static constexpr auto Name = nanobind::detail::const_name("Optional[") +
|
|
nanobind::detail::make_caster<value_type>::Name +
|
|
nanobind::detail::const_name("]");
|
|
|
|
NB_OBJECT_DEFAULT_NONAME(value_or_none_t, object, check)
|
|
static bool check(handle /*h*/) {
|
|
return true;
|
|
}
|
|
};
|
|
|
|
|
|
template <class Func, typename... Ts,
|
|
class RetTy = std::invoke_result_t<Func, Ts...>,
|
|
std::enable_if_t<!std::is_member_pointer<std::decay_t<Func>>{}, int> = 0>
|
|
typing_error<RetTy> error_or(Func f, Ts&&... args) {
|
|
namespace nb = nanobind;
|
|
auto&& ret = f(std::forward<Ts>(args)...);
|
|
if (!ret) {
|
|
return nb::cast(as_lief_err(ret));
|
|
}
|
|
return nb::cast(ret.value());
|
|
}
|
|
|
|
template <class Func, typename... Ts,
|
|
class RetTy = std::invoke_result_t<Func, Ts...>,
|
|
std::enable_if_t<std::is_member_pointer<std::decay_t<Func>>{}, int> = 0>
|
|
typing_error<RetTy> error_or(Func f, Ts&&... args) {
|
|
namespace nb = nanobind;
|
|
auto&& ret = std::mem_fn(f)(std::forward<Ts>(args)...);
|
|
if (!ret) {
|
|
return nb::cast(LIEF::as_lief_err(ret));
|
|
}
|
|
return nb::cast(ret.value());
|
|
}
|
|
|
|
|
|
template <class Func, typename... Ts,
|
|
class RetTy = std::invoke_result_t<Func, Ts...> >
|
|
value_or_none_t<RetTy> value_or_none(Func f, Ts&&... args) {
|
|
namespace nb = nanobind;
|
|
if constexpr (std::is_member_pointer_v<std::decay_t<Func>>) {
|
|
auto&& ret = std::mem_fn(f)(std::forward<Ts>(args)...);
|
|
if (!ret) {
|
|
return nb::none();
|
|
}
|
|
return nb::cast(*ret);
|
|
} else {
|
|
auto&& ret = f(std::forward<Ts>(args)...);
|
|
if (!ret) {
|
|
return nb::none();
|
|
}
|
|
return nb::cast(*ret);
|
|
}
|
|
}
|
|
|
|
void init_errors(nanobind::module_&);
|
|
}
|
|
|
|
#endif
|