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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ALGORITHM_PSTL_REPLACE_H
#define _LIBCPP___ALGORITHM_PSTL_REPLACE_H
#include <__algorithm/pstl_backend.h>
#include <__algorithm/pstl_for_each.h>
#include <__algorithm/pstl_frontend_dispatch.h>
#include <__algorithm/pstl_transform.h>
#include <__config>
#include <__iterator/iterator_traits.h>
#include <__type_traits/enable_if.h>
#include <__type_traits/remove_cvref.h>
#include <__utility/move.h>
#include <optional>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
_LIBCPP_BEGIN_NAMESPACE_STD
template <class>
void __pstl_replace_if();
template <class _ExecutionPolicy,
class _ForwardIterator,
class _Pred,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__empty>
__replace_if(_ExecutionPolicy&& __policy,
_ForwardIterator&& __first,
_ForwardIterator&& __last,
_Pred&& __pred,
const _Tp& __new_value) noexcept {
return std::__pstl_frontend_dispatch(
_LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_replace_if, _RawPolicy),
[&__policy](
_ForwardIterator&& __g_first, _ForwardIterator&& __g_last, _Pred&& __g_pred, const _Tp& __g_new_value) {
std::for_each(__policy, __g_first, __g_last, [&](__iter_reference<_ForwardIterator> __element) {
if (__g_pred(__element))
__element = __g_new_value;
});
return optional<__empty>{__empty{}};
},
std::move(__first),
std::move(__last),
std::move(__pred),
__new_value);
}
template <class _ExecutionPolicy,
class _ForwardIterator,
class _Pred,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
_LIBCPP_HIDE_FROM_ABI void
replace_if(_ExecutionPolicy&& __policy,
_ForwardIterator __first,
_ForwardIterator __last,
_Pred __pred,
const _Tp& __new_value) {
auto __res = std::__replace_if(__policy, std::move(__first), std::move(__last), std::move(__pred), __new_value);
if (!__res)
std::__throw_bad_alloc();
}
template <class>
void __pstl_replace();
template <class _ExecutionPolicy,
class _ForwardIterator,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__empty>
__replace(_ExecutionPolicy&& __policy,
_ForwardIterator __first,
_ForwardIterator __last,
const _Tp& __old_value,
const _Tp& __new_value) noexcept {
return std::__pstl_frontend_dispatch(
_LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_replace, _RawPolicy),
[&__policy](
_ForwardIterator __g_first, _ForwardIterator __g_last, const _Tp& __g_old_value, const _Tp& __g_new_value) {
return std::__replace_if(
__policy,
std::move(__g_first),
std::move(__g_last),
[&](__iter_reference<_ForwardIterator> __element) { return __element == __g_old_value; },
__g_new_value);
},
std::move(__first),
std::move(__last),
__old_value,
__new_value);
}
template <class _ExecutionPolicy,
class _ForwardIterator,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
_LIBCPP_HIDE_FROM_ABI void
replace(_ExecutionPolicy&& __policy,
_ForwardIterator __first,
_ForwardIterator __last,
const _Tp& __old_value,
const _Tp& __new_value) {
if (!std::__replace(__policy, std::move(__first), std::move(__last), __old_value, __new_value))
std::__throw_bad_alloc();
}
template <class>
void __pstl_replace_copy_if();
template <class _ExecutionPolicy,
class _ForwardIterator,
class _ForwardOutIterator,
class _Pred,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__empty> __replace_copy_if(
_ExecutionPolicy&& __policy,
_ForwardIterator&& __first,
_ForwardIterator&& __last,
_ForwardOutIterator&& __result,
_Pred&& __pred,
const _Tp& __new_value) {
return std::__pstl_frontend_dispatch(
_LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_replace_copy_if, _RawPolicy),
[&__policy](_ForwardIterator __g_first,
_ForwardIterator __g_last,
_ForwardOutIterator __g_result,
_Pred __g_pred,
const _Tp& __g_new_value) -> optional<__empty> {
if (!std::__transform(
__policy, __g_first, __g_last, __g_result, [&](__iter_reference<_ForwardIterator> __element) {
return __g_pred(__element) ? __g_new_value : __element;
}))
return nullopt;
return __empty{};
},
std::move(__first),
std::move(__last),
std::move(__result),
std::move(__pred),
__new_value);
}
template <class _ExecutionPolicy,
class _ForwardIterator,
class _ForwardOutIterator,
class _Pred,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
_LIBCPP_HIDE_FROM_ABI void replace_copy_if(
_ExecutionPolicy&& __policy,
_ForwardIterator __first,
_ForwardIterator __last,
_ForwardOutIterator __result,
_Pred __pred,
const _Tp& __new_value) {
if (!std::__replace_copy_if(
__policy, std::move(__first), std::move(__last), std::move(__result), std::move(__pred), __new_value))
std::__throw_bad_alloc();
}
template <class>
void __pstl_replace_copy();
template <class _ExecutionPolicy,
class _ForwardIterator,
class _ForwardOutIterator,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__empty> __replace_copy(
_ExecutionPolicy&& __policy,
_ForwardIterator&& __first,
_ForwardIterator&& __last,
_ForwardOutIterator&& __result,
const _Tp& __old_value,
const _Tp& __new_value) noexcept {
return std::__pstl_frontend_dispatch(
_LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_replace_copy, _RawPolicy),
[&__policy](_ForwardIterator __g_first,
_ForwardIterator __g_last,
_ForwardOutIterator __g_result,
const _Tp& __g_old_value,
const _Tp& __g_new_value) {
return std::__replace_copy_if(
__policy,
std::move(__g_first),
std::move(__g_last),
std::move(__g_result),
[&](__iter_reference<_ForwardIterator> __element) { return __element == __g_old_value; },
__g_new_value);
},
std::move(__first),
std::move(__last),
std::move(__result),
__old_value,
__new_value);
}
template <class _ExecutionPolicy,
class _ForwardIterator,
class _ForwardOutIterator,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
_LIBCPP_HIDE_FROM_ABI void replace_copy(
_ExecutionPolicy&& __policy,
_ForwardIterator __first,
_ForwardIterator __last,
_ForwardOutIterator __result,
const _Tp& __old_value,
const _Tp& __new_value) {
if (!std::__replace_copy(
__policy, std::move(__first), std::move(__last), std::move(__result), __old_value, __new_value))
std::__throw_bad_alloc();
}
_LIBCPP_END_NAMESPACE_STD
#endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
#endif // _LIBCPP___ALGORITHM_PSTL_REPLACE_H
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