Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98

external/llvm/lib/Support/Locale.cpp

@@ -0,0 +1,33 @@
+#include "llvm/Support/Locale.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Config/llvm-config.h"
+#include "llvm/Support/Unicode.h"
+
+namespace llvm {
+namespace sys {
+namespace locale {
+
+int columnWidth(StringRef Text) {
+#if LLVM_ON_WIN32
+  return Text.size();
+#else
+  return llvm::sys::unicode::columnWidthUTF8(Text);
+#endif
+}
+
+bool isPrint(int UCS) {
+#if LLVM_ON_WIN32
+  // Restrict characters that we'll try to print to the lower part of ASCII
+  // except for the control characters (0x20 - 0x7E). In general one can not
+  // reliably output code points U+0080 and higher using narrow character C/C++
+  // output functions in Windows, because the meaning of the upper 128 codes is
+  // determined by the active code page in the console.
+  return ' ' <= UCS && UCS <= '~';
+#else
+  return llvm::sys::unicode::isPrintable(UCS);
+#endif
+}
+
+} // namespace locale
+} // namespace sys
+} // namespace llvm