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diff --git a/clang/tools/libclang/CXSourceLocation.h b/clang/tools/libclang/CXSourceLocation.h
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+++ b/clang/tools/libclang/CXSourceLocation.h
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+//===- CXSourceLocation.h - CXSourceLocations Utilities ---------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines routines for manipulating CXSourceLocations.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_CXSOURCELOCATION_H
+#define LLVM_CLANG_CXSOURCELOCATION_H
+
+#include "clang-c/Index.h"
+#include "clang/Basic/SourceLocation.h"
+#include "clang/Basic/LangOptions.h"
+#include "clang/AST/ASTContext.h"
+
+namespace clang {
+
+class SourceManager;
+
+namespace cxloc {
+
+/// \brief Translate a Clang source location into a CIndex source location.
+static inline CXSourceLocation 
+translateSourceLocation(const SourceManager &SM, const LangOptions &LangOpts,
+                        SourceLocation Loc) {
+  if (Loc.isInvalid())
+    clang_getNullLocation();
+
+  CXSourceLocation Result = { { (void*) &SM, (void*) &LangOpts, },
+                              Loc.getRawEncoding() };
+  return Result;
+}
+  
+/// \brief Translate a Clang source location into a CIndex source location.
+static inline CXSourceLocation translateSourceLocation(ASTContext &Context,
+                                                       SourceLocation Loc) {
+  return translateSourceLocation(Context.getSourceManager(),
+                                 Context.getLangOpts(),
+                                 Loc);
+}
+
+/// \brief Translate a Clang source range into a CIndex source range.
+///
+/// Clang internally represents ranges where the end location points to the
+/// start of the token at the end. However, for external clients it is more
+/// useful to have a CXSourceRange be a proper half-open interval. This routine
+/// does the appropriate translation.
+CXSourceRange translateSourceRange(const SourceManager &SM, 
+                                   const LangOptions &LangOpts,
+                                   const CharSourceRange &R);
+  
+/// \brief Translate a Clang source range into a CIndex source range.
+static inline CXSourceRange translateSourceRange(ASTContext &Context,
+                                                 SourceRange R) {
+  return translateSourceRange(Context.getSourceManager(),
+                              Context.getLangOpts(),
+                              CharSourceRange::getTokenRange(R));
+}
+
+static inline SourceLocation translateSourceLocation(CXSourceLocation L) {
+  return SourceLocation::getFromRawEncoding(L.int_data);
+}
+
+static inline SourceRange translateCXSourceRange(CXSourceRange R) {
+  return SourceRange(SourceLocation::getFromRawEncoding(R.begin_int_data),
+                     SourceLocation::getFromRawEncoding(R.end_int_data));
+}
+
+
+}} // end namespace: clang::cxloc
+
+#endif