DeclOccurrence.h

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//===- DeclOccurrence.h - An occurrence of a decl within a file -*- 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_DECLOCCURRENCE_H
#define LLVM_CLANG_INDEX_DECLOCCURRENCE_H
 
#include "clang/AST/DeclBase.h"
#include "clang/Basic/LLVM.h"
#include "clang/Index/IndexSymbol.h"
#include "clang/Lex/MacroInfo.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/PointerUnion.h"
#include "llvm/ADT/SmallVector.h"
 
namespace clang {
namespace index {
 
struct DeclOccurrence {
  SymbolRoleSet Roles;
  unsigned Offset;
  llvm::PointerUnion<const Decl *, const MacroInfo *> DeclOrMacro;
  const IdentifierInfo *MacroName = nullptr;
  SmallVector<SymbolRelation, 3> Relations;
 
  DeclOccurrence(SymbolRoleSet R, unsigned Offset, const Decl *D,
                 ArrayRef<SymbolRelation> Relations)
      : Roles(R), Offset(Offset), DeclOrMacro(D),
        Relations(Relations.begin(), Relations.end()) {}
  DeclOccurrence(SymbolRoleSet R, unsigned Offset, const IdentifierInfo *Name,
                 const MacroInfo *MI)
      : Roles(R), Offset(Offset), DeclOrMacro(MI), MacroName(Name) {}
 
  friend bool operator<(const DeclOccurrence &LHS, const DeclOccurrence &RHS) {
    return LHS.Offset < RHS.Offset;
  }
};
 
} // namespace index
} // namespace clang
 
#endif // LLVM_CLANG_INDEX_DECLOCCURRENCE_H