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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;
class MacroDefinitionRecord;
class SourceLocation;
class SourceManager;
namespace index {
static inline StringRef getUSRSpacePrefix() {
return "c:";
}
/// \brief Generate a USR for a Decl, including the USR 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,
StringRef ExtSymbolDefinedIn = "");
/// \brief Generate a USR fragment for an Objective-C class category.
void generateUSRForObjCCategory(StringRef Cls, StringRef Cat, raw_ostream &OS,
StringRef ClsExtSymbolDefinedIn = "",
StringRef CatExtSymbolDefinedIn = "");
/// \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, bool isClassProp, raw_ostream &OS);
/// \brief Generate a USR fragment for an Objective-C protocol.
void generateUSRForObjCProtocol(StringRef Prot, raw_ostream &OS,
StringRef ExtSymbolDefinedIn = "");
/// Generate USR fragment for a global (non-nested) enum.
void generateUSRForGlobalEnum(StringRef EnumName, raw_ostream &OS,
StringRef ExtSymbolDefinedIn = "");
/// \brief Generate a USR for a macro, including the USR prefix.
///
/// \returns true on error, false on success.
bool generateUSRForMacro(const MacroDefinitionRecord *MD,
const SourceManager &SM, SmallVectorImpl<char> &Buf);
bool generateUSRForMacro(StringRef MacroName, SourceLocation Loc,
const SourceManager &SM, SmallVectorImpl<char> &Buf);
} // namespace index
} // namespace clang
#endif // LLVM_CLANG_IDE_USRGENERATION_H
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