Index: include/clang/Tooling/Fixit.h
===================================================================
--- /dev/null
+++ include/clang/Tooling/Fixit.h
@@ -0,0 +1,71 @@
+//===--- Fixit.h - Fixit Hint 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 implements functions to ease source rewriting from AST-nodes.
+//
+//  Example swapping A and B expressions:
+//
+//    Expr *A, *B;
+//    tooling::fixit::createReplacement(*A, *B);
+//    tooling::fixit::createReplacement(*B, *A);
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLING_FIXIT_H
+#define LLVM_CLANG_TOOLING_FIXIT_H
+
+#include "clang/AST/ASTContext.h"
+
+namespace clang {
+namespace tooling {
+namespace fixit {
+
+namespace internal {
+StringRef getText(SourceRange Range, const ASTContext &Context);
+} // end namespace internal
+
+/// \brief Returns the SourceRange of a SourceRange. This identity function is
+///        used by the following template abstractions.
+inline SourceRange getSourceRange(const SourceRange &Range) { return Range; }
+
+/// \brief Returns the SourceRange of the token at Location \p Loc.
+inline SourceRange getSourceRange(const SourceLocation &Loc) {
+  return SourceRange(Loc);
+}
+
+/// \brief Returns the SourceRange of an given Node. \p Node is typically a
+///        'Stmt', 'Expr' or a 'Decl'.
+template <typename T> SourceRange getSourceRange(const T &Node) {
+  return Node.getSourceRange();
+}
+
+// \brief Returns a textual representation of \p Node.
+template <typename T>
+StringRef getText(const T &Node, const ASTContext &Context) {
+  return getText(getSourceRange(Node), Context);
+}
+
+// \brief Returns a FixItHint to remove \p Node.
+template <typename T> FixItHint createRemoval(const T &Node) {
+  return FixItHint::CreateRemoval(getSourceRange(Node));
+}
+
+// \brief Returns a FixItHint to replace \p Destination by \p Source.
+template <typename D, typename S>
+FixItHint createReplacement(const D &Destination, const S &Source,
+                            const ASTContext &Context) {
+  return FixItHint::CreateReplacement(getSourceRange(Destination),
+                                      getText(Source, Context));
+}
+
+} // end namespace fixit
+} // end namespace tooling
+} // end namespace clang
+
+#endif // LLVM_CLANG_TOOLING_FIXINT_H
Index: lib/Tooling/CMakeLists.txt
===================================================================
--- lib/Tooling/CMakeLists.txt
+++ lib/Tooling/CMakeLists.txt
@@ -7,6 +7,7 @@
   CommonOptionsParser.cpp
   CompilationDatabase.cpp
   FileMatchTrie.cpp
+  Fixit.cpp
   JSONCompilationDatabase.cpp
   Refactoring.cpp
   RefactoringCallbacks.cpp
Index: lib/Tooling/Fixit.cpp
===================================================================
--- /dev/null
+++ lib/Tooling/Fixit.cpp
@@ -0,0 +1,29 @@
+//===--- RefactoringCallbacks.cpp - Structural query framework ------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Tooling/Fixit.h"
+#include "clang/Lex/Lexer.h"
+
+namespace clang {
+namespace tooling {
+namespace fixit {
+
+namespace internal {
+StringRef getText(SourceRange Range, const ASTContext &Context) {
+  return Lexer::getSourceText(CharSourceRange::getTokenRange(Range),
+                              Context.getSourceManager(),
+                              Context.getLangOpts());
+}
+} // end namespace internal
+
+} // end namespace fixit
+} // end namespace tooling
+} // end namespace clang