Index: clang/tools/libclang/CIndex.cpp
===================================================================
--- clang/tools/libclang/CIndex.cpp
+++ clang/tools/libclang/CIndex.cpp
@@ -164,6 +164,12 @@
   return Result;
 }
 
+CharSourceRange cxloc::translateCharRangeToCharRange(CXSourceRange R) {
+  return CharSourceRange::getCharRange(
+      SourceLocation::getFromRawEncoding(R.begin_int_data),
+      SourceLocation::getFromRawEncoding(R.end_int_data));
+}
+
 //===----------------------------------------------------------------------===//
 // Cursor visitor.
 //===----------------------------------------------------------------------===//
Index: clang/tools/libclang/CXSourceLocation.h
===================================================================
--- clang/tools/libclang/CXSourceLocation.h
+++ clang/tools/libclang/CXSourceLocation.h
@@ -71,7 +71,11 @@
                      SourceLocation::getFromRawEncoding(R.end_int_data));
 }
 
-
+/// Translates CXSourceRange to SourceRange.
+/// The semantics of \p R are:
+/// R.begin_int_data is first character of the range.
+/// R.end_int_data is one character past the end of the range.
+CharSourceRange translateCharRangeToCharRange(CXSourceRange R);
 }} // end namespace: clang::cxloc
 
 #endif