// boost/filesystem/exception.hpp -----------------------------------------------------//
// Copyright Beman Dawes 2003
-// Use, modification, and distribution is subject to the Boost Software
-// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
+// Copyright Andrey Semashev 2019
-// This header is no longer used. The contents have been moved to path.hpp.
-// It is provided so that user code #includes do not have to be changed.
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+// Library home page: http://www.boost.org/libs/filesystem
+
+#ifndef BOOST_FILESYSTEM3_EXCEPTION_HPP
+#define BOOST_FILESYSTEM3_EXCEPTION_HPP
+
+#include <boost/config.hpp>
+
+# if defined( BOOST_NO_STD_WSTRING )
+# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
+# endif
+
+#include <boost/filesystem/config.hpp>
+#include <boost/filesystem/path.hpp>
+
+#include <string>
+#include <boost/system/error_code.hpp>
+#include <boost/system/system_error.hpp>
+#include <boost/smart_ptr/intrusive_ptr.hpp>
+#include <boost/smart_ptr/intrusive_ref_counter.hpp>
+
+#include <boost/config/abi_prefix.hpp> // must be the last #include
+
+#if defined(BOOST_MSVC)
+#pragma warning(push)
+// 'm_A' : class 'A' needs to have dll-interface to be used by clients of class 'B'
+#pragma warning(disable: 4251)
+// non dll-interface class 'A' used as base for dll-interface class 'B'
+#pragma warning(disable: 4275)
+#endif
+
+namespace boost {
+namespace filesystem {
+
+//--------------------------------------------------------------------------------------//
+// //
+// class filesystem_error //
+// //
+//--------------------------------------------------------------------------------------//
+
+class BOOST_FILESYSTEM_DECL filesystem_error :
+ public system::system_error
+{
+ // see http://www.boost.org/more/error_handling.html for design rationale
+
+public:
+ filesystem_error(const std::string& what_arg, system::error_code ec);
+ filesystem_error(const std::string& what_arg, const path& path1_arg, system::error_code ec);
+ filesystem_error(const std::string& what_arg, const path& path1_arg, const path& path2_arg, system::error_code ec);
+
+ filesystem_error(filesystem_error const& that);
+ filesystem_error& operator= (filesystem_error const& that);
+
+ ~filesystem_error() BOOST_NOEXCEPT_OR_NOTHROW;
+
+ const path& path1() const BOOST_NOEXCEPT
+ {
+ return m_imp_ptr.get() ? m_imp_ptr->m_path1 : get_empty_path();
+ }
+ const path& path2() const BOOST_NOEXCEPT
+ {
+ return m_imp_ptr.get() ? m_imp_ptr->m_path2 : get_empty_path();
+ }
+
+ const char* what() const BOOST_NOEXCEPT_OR_NOTHROW;
+
+private:
+ static const path& get_empty_path() BOOST_NOEXCEPT;
+
+private:
+ struct impl :
+ public boost::intrusive_ref_counter< impl >
+ {
+ path m_path1; // may be empty()
+ path m_path2; // may be empty()
+ std::string m_what; // not built until needed
+
+ BOOST_DEFAULTED_FUNCTION(impl(), {})
+ explicit impl(path const& path1) : m_path1(path1) {}
+ impl(path const& path1, path const& path2) : m_path1(path1), m_path2(path2) {}
+ };
+ boost::intrusive_ptr< impl > m_imp_ptr;
+};
+
+} // namespace filesystem
+} // namespace boost
+
+#if defined(BOOST_MSVC)
+#pragma warning(pop)
+#endif
+
+#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
+#endif // BOOST_FILESYSTEM3_EXCEPTION_HPP