1 files changed, 44 insertions, 0 deletions
diff --git a/src/arrow/r/inst/include/cpp11/altrep.hpp b/src/arrow/r/inst/include/cpp11/altrep.hpp
new file mode 100644
index 000000000..3d6e1172e
--- /dev/null
+++ b/src/arrow/r/inst/include/cpp11/altrep.hpp
@@ -0,0 +1,44 @@
+// cpp11 version: 0.3.1.1
+// vendored on: 2021-08-11
+#pragma once
+
+#include "Rversion.h"
+
+#if defined(R_VERSION) && R_VERSION >= R_Version(3, 5, 0)
+#define HAS_ALTREP
+#endif
+
+#ifndef HAS_ALTREP
+
+#define ALTREP(x) false
+
+#define REAL_ELT(x, i) REAL(x)[i]
+#define INTEGER_ELT(x, i) INTEGER(x)[i]
+#define LOGICAL_ELT(x, i) LOGICAL(x)[i]
+#define RAW_ELT(x, i) RAW(x)[i]
+
+#define SET_REAL_ELT(x, i, val) REAL(x)[i] = val
+#define SET_INTEGER_ELT(x, i, val) INTEGER(x)[i] = val
+#define SET_LOGICAL_ELT(x, i, val) LOGICAL(x)[i] = val
+#define SET_RAW_ELT(x, i, val) RAW(x)[i] = val
+
+#define REAL_GET_REGION(...) \
+  do {                       \
+  } while (false)
+
+#define INTEGER_GET_REGION(...) \
+  do {                          \
+  } while (false)
+#endif
+
+#if !defined HAS_ALTREP || (defined(R_VERSION) && R_VERSION < R_Version(3, 6, 0))
+
+#define LOGICAL_GET_REGION(...) \
+  do {                          \
+  } while (false)
+
+#define RAW_GET_REGION(...) \
+  do {                      \
+  } while (false)
+
+#endif