2 files changed, 9 insertions, 0 deletions
diff --git a/include/clang/Lex/CodeCompletionHandler.h b/include/clang/Lex/CodeCompletionHandler.h
index bb8705b9a6..d28a3aa7d6 100644
--- a/include/clang/Lex/CodeCompletionHandler.h
+++ b/include/clang/Lex/CodeCompletionHandler.h
@@ -55,6 +55,11 @@ public:
   virtual void CodeCompleteMacroArgument(IdentifierInfo *Macro,
                                          MacroInfo *MacroInfo,
                                          unsigned ArgumentIndex) { }
+
+  /// \brief Callback invoked when performing code completion in a part of the
+  /// file where we expect natural language, e.g., a comment, string, or 
+  /// #error directive.
+  virtual void CodeCompleteNaturalLanguage() { }
 };
   
 }
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 543cb74226..018d1947a0 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -392,6 +392,10 @@ public:
     CodeComplete = 0;
   }
   
+  /// \brief Hook used by the lexer to invoke the "natural language" code
+  /// completion point.
+  void CodeCompleteNaturalLanguage();
+  
   /// \brief Retrieve the preprocessing record, or NULL if there is no
   /// preprocessing record.
   PreprocessingRecord *getPreprocessingRecord() const { return Record; }