//===- USRGeneration.h - Routines for USR generation ------------*- C++ -*-===//
 
//
 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 
// See https://llvm.org/LICENSE.txt for license information.
 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#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 ASTContext;
 
class Decl;
 
class MacroDefinitionRecord;
 
class Module;
 
class SourceLocation;
 
class SourceManager;
 
class QualType;
 
 
 
namespace index {
 
 
 
static inline StringRef getUSRSpacePrefix() {
 
  return "c:";
 
}
 
 
 
/// 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);
 
 
 
/// Generate a USR fragment for an Objective-C class.
 
void generateUSRForObjCClass(StringRef Cls, raw_ostream &OS,
 
                             StringRef ExtSymbolDefinedIn = "",
 
                             StringRef CategoryContextExtSymbolDefinedIn = "");
 
 
 
/// Generate a USR fragment for an Objective-C class category.
 
void generateUSRForObjCCategory(StringRef Cls, StringRef Cat, raw_ostream &OS,
 
                                StringRef ClsExtSymbolDefinedIn = "",
 
                                StringRef CatExtSymbolDefinedIn = "");
 
 
 
/// 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);
 
 
 
/// Generate a USR fragment for an Objective-C method.
 
void generateUSRForObjCMethod(StringRef Sel, bool IsInstanceMethod,
 
                              raw_ostream &OS);
 
 
 
/// Generate a USR fragment for an Objective-C property.
 
void generateUSRForObjCProperty(StringRef Prop, bool isClassProp, raw_ostream &OS);
 
 
 
/// 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 = "");
 
 
 
/// Generate a USR fragment for an enum constant.
 
void generateUSRForEnumConstant(StringRef EnumConstantName, raw_ostream &OS);
 
 
 
/// 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);
 
 
 
/// Generates a USR for a type.
 
///
 
/// \return true on error, false on success.
 
bool generateUSRForType(QualType T, ASTContext &Ctx, SmallVectorImpl<char> &Buf);
 
 
 
/// Generate a USR for a module, including the USR prefix.
 
/// \returns true on error, false on success.
 
bool generateFullUSRForModule(const Module *Mod, raw_ostream &OS);
 
 
 
/// Generate a USR for a top-level module name, including the USR prefix.
 
/// \returns true on error, false on success.
 
bool generateFullUSRForTopLevelModuleName(StringRef ModName, raw_ostream &OS);
 
 
 
/// Generate a USR fragment for a module.
 
/// \returns true on error, false on success.
 
bool generateUSRFragmentForModule(const Module *Mod, raw_ostream &OS);
 
 
 
/// Generate a USR fragment for a module name.
 
/// \returns true on error, false on success.
 
bool generateUSRFragmentForModuleName(StringRef ModName, raw_ostream &OS);
 
 
 
 
 
} // namespace index
 
} // namespace clang
 
 
 
#endif // LLVM_CLANG_INDEX_USRGENERATION_H