1 files changed, 54 insertions, 0 deletions
diff --git a/include/clang/Index/USRGeneration.h b/include/clang/Index/USRGeneration.h
new file mode 100644
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+++ b/include/clang/Index/USRGeneration.h
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+//===- USRGeneration.h - Routines for USR generation ----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_INDEX_USRGENERATION_H
+#define LLVM_CLANG_INDEX_USRGENERATION_H
+
+#include "clang/Basic/LLVM.h"
+#include "llvm/ADT/StringRef.h"
+
+namespace clang {
+  class Decl;
+
+namespace index {
+
+static inline StringRef getUSRSpacePrefix() {
+  return "c:";
+}
+
+/// \brief Generate a USR for a Decl, including the prefix.
+/// \returns true if the results should be ignored, false otherwise.
+bool generateUSRForDecl(const Decl *D, SmallVectorImpl<char> &Buf);
+
+/// \brief Generate a USR fragment for an Objective-C class.
+void generateUSRForObjCClass(StringRef Cls, raw_ostream &OS);
+
+/// \brief Generate a USR fragment for an Objective-C class category.
+void generateUSRForObjCCategory(StringRef Cls, StringRef Cat, raw_ostream &OS);
+
+/// \brief Generate a USR fragment for an Objective-C instance variable.  The
+/// complete USR can be created by concatenating the USR for the
+/// encompassing class with this USR fragment.
+void generateUSRForObjCIvar(StringRef Ivar, raw_ostream &OS);
+
+/// \brief Generate a USR fragment for an Objective-C method.
+void generateUSRForObjCMethod(StringRef Sel, bool IsInstanceMethod,
+                              raw_ostream &OS);
+
+/// \brief Generate a USR fragment for an Objective-C property.
+void generateUSRForObjCProperty(StringRef Prop, raw_ostream &OS);
+
+/// \brief Generate a USR fragment for an Objective-C protocol.
+void generateUSRForObjCProtocol(StringRef Prot, raw_ostream &OS);
+
+} // namespace index
+} // namespace clang
+
+#endif // LLVM_CLANG_IDE_USRGENERATION_H
+