| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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___FILESYSTEM_FILESYSTEM_ERROR_H |
| #define _LIBCPP___FILESYSTEM_FILESYSTEM_ERROR_H |
| |
| #include <__availability> |
| #include <__config> |
| #include <__filesystem/path.h> |
| #include <__memory/shared_ptr.h> |
| #include <iosfwd> |
| #include <new> |
| #include <system_error> |
| #include <type_traits> |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM |
| |
| class _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_EXCEPTION_ABI filesystem_error : public system_error { |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| filesystem_error(const string& __what, error_code __ec) |
| : system_error(__ec, __what), |
| __storage_(make_shared<_Storage>(path(), path())) { |
| __create_what(0); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| filesystem_error(const string& __what, const path& __p1, error_code __ec) |
| : system_error(__ec, __what), |
| __storage_(make_shared<_Storage>(__p1, path())) { |
| __create_what(1); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| filesystem_error(const string& __what, const path& __p1, const path& __p2, |
| error_code __ec) |
| : system_error(__ec, __what), |
| __storage_(make_shared<_Storage>(__p1, __p2)) { |
| __create_what(2); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const path& path1() const noexcept { return __storage_->__p1_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const path& path2() const noexcept { return __storage_->__p2_; } |
| |
| filesystem_error(const filesystem_error&) = default; |
| ~filesystem_error() override; // key function |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const char* what() const noexcept override { |
| return __storage_->__what_.c_str(); |
| } |
| |
| void __create_what(int __num_paths); |
| |
| private: |
| struct _LIBCPP_HIDDEN _Storage { |
| _LIBCPP_INLINE_VISIBILITY |
| _Storage(const path& __p1, const path& __p2) : __p1_(__p1), __p2_(__p2) {} |
| |
| path __p1_; |
| path __p2_; |
| string __what_; |
| }; |
| shared_ptr<_Storage> __storage_; |
| }; |
| |
| // TODO(ldionne): We need to pop the pragma and push it again after |
| // filesystem_error to work around PR41078. |
| _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH |
| |
| template <class... _Args> |
| _LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| void __throw_filesystem_error(_Args&&... __args) { |
| throw filesystem_error(_VSTD::forward<_Args>(__args)...); |
| } |
| #else |
| void __throw_filesystem_error(_Args&&...) { |
| _VSTD::abort(); |
| } |
| #endif |
| _LIBCPP_AVAILABILITY_FILESYSTEM_POP |
| |
| _LIBCPP_END_NAMESPACE_FILESYSTEM |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| #endif // _LIBCPP___FILESYSTEM_FILESYSTEM_ERROR_H |