1 files changed, 4 insertions, 0 deletions
diff --git a/include/clang/AST/Attr.h b/include/clang/AST/Attr.h
index cf2e3c5d25..345cc94510 100644
--- a/include/clang/AST/Attr.h
+++ b/include/clang/AST/Attr.h
@@ -23,6 +23,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
 #include <cassert>
 #include <cstring>
 #include <algorithm>
@@ -103,6 +104,9 @@ public:
   // Clone this attribute.
   virtual Attr* clone(ASTContext &C) const = 0;
 
+  // Pretty print this attribute.
+  virtual void printPretty(llvm::raw_ostream &OS, ASTContext &C) const = 0;
+
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Attr *) { return true; }
 };