2 files changed, 0 insertions, 62 deletions
diff --git a/include/clang/Lex/PPMutationListener.h b/include/clang/Lex/PPMutationListener.h
deleted file mode 100644
index 995842974a..0000000000
--- a/include/clang/Lex/PPMutationListener.h
+++ /dev/null
@@ -1,43 +0,0 @@
-//===--- PPMutationListener.h - Preprocessor Mutation Interface -*- 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 the PPMutationListener interface.
-//
-//===----------------------------------------------------------------------===//
-#ifndef LLVM_CLANG_LEX_PPTMUTATIONLISTENER_H
-#define LLVM_CLANG_LEX_PPTMUTATIONLISTENER_H
-
-#include "clang/Basic/SourceLocation.h"
-
-namespace clang {
-
-class MacroDirective;
-
-/// \brief A record that describes an update to a macro that was
-/// originally loaded to an AST file and has been modified within the
-/// current translation unit.
-struct MacroUpdate {
-  /// \brief The source location at which this macro was #undef'd.
-  SourceLocation UndefLoc;
-};
-
-/// \brief An abstract interface that should be implemented by
-/// listeners that want to be notified when a preprocessor entity gets
-/// modified after its initial creation.
-class PPMutationListener {
-public:
-  virtual ~PPMutationListener();
-
-  /// \brief A macro has been #undef'd.
-  virtual void UndefinedMacro(MacroDirective *MD) { }
-};
-
-} // end namespace clang
-
-#endif
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index dafa497214..7a912ec0f8 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -21,7 +21,6 @@
 #include "clang/Lex/Lexer.h"
 #include "clang/Lex/MacroInfo.h"
 #include "clang/Lex/PPCallbacks.h"
-#include "clang/Lex/PPMutationListener.h"
 #include "clang/Lex/PTHLexer.h"
 #include "clang/Lex/PTHManager.h"
 #include "clang/Lex/TokenLexer.h"
@@ -296,11 +295,6 @@ class Preprocessor : public RefCountedBase<Preprocessor> {
   /// encountered (e.g. a file is \#included, etc).
   PPCallbacks *Callbacks;
 
-  /// \brief Listener whose actions are invoked when an entity in the
-  /// preprocessor (e.g., a macro) that was loaded from an AST file is
-  /// later mutated.
-  PPMutationListener *Listener;
-
   struct MacroExpandsInfo {
     Token Tok;
     MacroDirective *MD;
@@ -519,19 +513,6 @@ public:
     Callbacks = C;
   }
 
-  /// \brief Attach an preprocessor mutation listener to the preprocessor.
-  ///
-  /// The preprocessor mutation listener provides the ability to track
-  /// modifications to the preprocessor entities committed after they were
-  /// initially created.
-  void setPPMutationListener(PPMutationListener *Listener) {
-    this->Listener = Listener;
-  }
-
-  /// \brief Retrieve a pointer to the preprocessor mutation listener
-  /// associated with this preprocessor, if any.
-  PPMutationListener *getPPMutationListener() const { return Listener; }
-
   /// \brief Given an identifier, return its latest MacroDirective if it is
   // \#defined or null if it isn't \#define'd.
   MacroDirective *getMacroDirective(IdentifierInfo *II) const {