Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/arrow/r/inst/include/cpp11/R.hpp b/src/arrow/r/inst/include/cpp11/R.hpp
new file mode 100644
index 000000000..f32dcd0b8
--- /dev/null
+++ b/src/arrow/r/inst/include/cpp11/R.hpp
@@ -0,0 +1,46 @@
+// cpp11 version: 0.3.1.1
+// vendored on: 2021-08-11
+#pragma once
+
+#ifdef R_INTERNALS_H_
+#if !(defined(R_NO_REMAP) && defined(STRICT_R_HEADERS))
+#error R headers were included before cpp11 headers \
+  and at least one of R_NO_REMAP or STRICT_R_HEADERS \
+  was not defined.
+#endif
+#endif
+
+#define R_NO_REMAP
+#define STRICT_R_HEADERS
+#include "Rinternals.h"
+
+// clang-format off
+#ifdef __clang__
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wattributes"
+#endif
+
+#ifdef __GNUC__
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wattributes"
+#endif
+// clang-format on
+
+#include "cpp11/altrep.hpp"
+
+namespace cpp11 {
+namespace literals {
+
+constexpr R_xlen_t operator"" _xl(unsigned long long int value) { return value; }
+
+}  // namespace literals
+
+template <typename T>
+inline T na();
+
+template <typename T>
+inline bool is_na(const T& value) {
+  return value == na<T>();
+}
+
+}  // namespace cpp11