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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/contrib/llvm-project/libcxx/include/__filesystem/filesystem_error.h
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// -*- C++ -*-

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//===----------------------------------------------------------------------===//

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//

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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

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// See https://llvm.org/LICENSE.txt for license information.

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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

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//

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//===----------------------------------------------------------------------===//

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#ifndef _LIBCPP___FILESYSTEM_FILESYSTEM_ERROR_H

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#define _LIBCPP___FILESYSTEM_FILESYSTEM_ERROR_H

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#include <__config>

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#include <__filesystem/path.h>

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#include <__memory/shared_ptr.h>

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#include <__system_error/error_code.h>

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#include <__system_error/system_error.h>

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#include <__utility/forward.h>

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#include <__verbose_abort>

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#include <string>

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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)

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#  pragma GCC system_header

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#endif

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#if _LIBCPP_STD_VER >= 17

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_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM

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class _LIBCPP_AVAILABILITY_FILESYSTEM_LIBRARY _LIBCPP_EXPORTED_FROM_ABI filesystem_error : public system_error {

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public:

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  _LIBCPP_HIDE_FROM_ABI filesystem_error(const string& __what, error_code __ec)

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      : system_error(__ec, __what), __storage_(make_shared<_Storage>(path(), path())) {

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    __create_what(0);

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  }

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  _LIBCPP_HIDE_FROM_ABI filesystem_error(const string& __what, const path& __p1, error_code __ec)

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      : system_error(__ec, __what), __storage_(make_shared<_Storage>(__p1, path())) {

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    __create_what(1);

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  }

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  _LIBCPP_HIDE_FROM_ABI filesystem_error(const string& __what, const path& __p1, const path& __p2, error_code __ec)

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      : system_error(__ec, __what), __storage_(make_shared<_Storage>(__p1, __p2)) {

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    __create_what(2);

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  }

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  _LIBCPP_HIDE_FROM_ABI const path& path1() const noexcept { return __storage_->__p1_; }

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  _LIBCPP_HIDE_FROM_ABI const path& path2() const noexcept { return __storage_->__p2_; }

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  _LIBCPP_HIDE_FROM_ABI filesystem_error(const filesystem_error&) = default;

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  ~filesystem_error() override; // key function

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  _LIBCPP_HIDE_FROM_ABI_VIRTUAL

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  const char* what() const noexcept override { return __storage_->__what_.c_str(); }

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  void __create_what(int __num_paths);

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private:

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  struct _LIBCPP_HIDDEN _Storage {

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    _LIBCPP_HIDE_FROM_ABI _Storage(const path& __p1, const path& __p2) : __p1_(__p1), __p2_(__p2) {}

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    path __p1_;

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    path __p2_;

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    string __what_;

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  };

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  shared_ptr<_Storage> __storage_;

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};

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#  ifndef _LIBCPP_HAS_NO_EXCEPTIONS

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template <class... _Args>

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_LIBCPP_NORETURN inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FILESYSTEM_LIBRARY void

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__throw_filesystem_error(_Args&&... __args) {

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  throw filesystem_error(std::forward<_Args>(__args)...);

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}

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#  else

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template <class... _Args>

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_LIBCPP_NORETURN inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FILESYSTEM_LIBRARY void

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__throw_filesystem_error(_Args&&...) {

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  _LIBCPP_VERBOSE_ABORT("filesystem_error was thrown in -fno-exceptions mode");

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}

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#  endif

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_LIBCPP_END_NAMESPACE_FILESYSTEM

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#endif // _LIBCPP_STD_VER >= 17

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#endif // _LIBCPP___FILESYSTEM_FILESYSTEM_ERROR_H

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