Library import 16 (#2433)

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1 files changed, 90 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__exception/exception_ptr.h b/contrib/libs/cxxsupp/libcxx/include/__exception/exception_ptr.h
new file mode 100644
index 0000000000..03d3843f96
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__exception/exception_ptr.h
@@ -0,0 +1,90 @@
+//===----------------------------------------------------------------------===//
+//
+// 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___EXCEPTION_EXCEPTION_PTR_H
+#define _LIBCPP___EXCEPTION_EXCEPTION_PTR_H
+
+#include <__config>
+#include <__exception/operations.h>
+#include <__memory/addressof.h>
+#include <cstddef>
+#include <cstdlib>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+namespace std { // purposefully not using versioning namespace
+
+
+class _LIBCPP_EXPORTED_FROM_ABI exception_ptr {
+  void* __ptr_;
+
+public:
+  _LIBCPP_HIDE_FROM_ABI exception_ptr() _NOEXCEPT : __ptr_() {}
+  _LIBCPP_HIDE_FROM_ABI exception_ptr(nullptr_t) _NOEXCEPT : __ptr_() {}
+
+  exception_ptr(const exception_ptr&) _NOEXCEPT;
+  exception_ptr& operator=(const exception_ptr&) _NOEXCEPT;
+  ~exception_ptr() _NOEXCEPT;
+
+  _LIBCPP_HIDE_FROM_ABI explicit operator bool() const _NOEXCEPT { return __ptr_ != nullptr; }
+
+  friend _LIBCPP_HIDE_FROM_ABI bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT {
+    return __x.__ptr_ == __y.__ptr_;
+  }
+
+  friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT {
+    return !(__x == __y);
+  }
+
+  friend _LIBCPP_HIDE_FROM_ABI void swap(exception_ptr& __x, exception_ptr& __y) _NOEXCEPT
+  {
+      void* __tmp = __x.__ptr_;
+      __x.__ptr_ = __y.__ptr_;
+      __y.__ptr_ = __tmp;
+  }
+
+  friend _LIBCPP_EXPORTED_FROM_ABI exception_ptr current_exception() _NOEXCEPT;
+  friend _LIBCPP_EXPORTED_FROM_ABI void rethrow_exception(exception_ptr);
+};
+
+#ifndef _LIBCPP_ABI_MICROSOFT
+
+template <class _Ep>
+_LIBCPP_HIDE_FROM_ABI exception_ptr make_exception_ptr(_Ep __e) _NOEXCEPT {
+#  ifndef _LIBCPP_HAS_NO_EXCEPTIONS
+  try {
+    throw __e;
+  } catch (...) {
+    return current_exception();
+  }
+#  else
+  ((void)__e);
+  std::abort();
+#  endif
+}
+
+#else // _LIBCPP_ABI_MICROSOFT
+
+_LIBCPP_HIDE_FROM_ABI exception_ptr __copy_exception_ptr(void *__exception, const void* __ptr);
+
+// This is a built-in template function which automagically extracts the required
+// information.
+template <class _E>
+void* __GetExceptionInfo(_E);
+
+template <class _Ep>
+exception_ptr make_exception_ptr(_Ep __e) _NOEXCEPT {
+  return __copy_exception_ptr(std::addressof(__e), __GetExceptionInfo(__e));
+}
+
+#endif // _LIBCPP_ABI_MICROSOFT
+} // namespace std
+
+#endif // _LIBCPP___EXCEPTION_EXCEPTION_PTR_H