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  1. //===- DeclOccurrence.h - An occurrence of a decl within a file -*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8.  
  9. #ifndef LLVM_CLANG_INDEX_DECLOCCURRENCE_H
  10. #define LLVM_CLANG_INDEX_DECLOCCURRENCE_H
  11.  
  12. #include "clang/AST/DeclBase.h"
  13. #include "clang/Basic/LLVM.h"
  14. #include "clang/Index/IndexSymbol.h"
  15. #include "clang/Lex/MacroInfo.h"
  16. #include "llvm/ADT/ArrayRef.h"
  17. #include "llvm/ADT/PointerUnion.h"
  18. #include "llvm/ADT/SmallVector.h"
  19.  
  20. namespace clang {
  21. namespace index {
  22.  
  23. struct DeclOccurrence {
  24.   SymbolRoleSet Roles;
  25.   unsigned Offset;
  26.   llvm::PointerUnion<const Decl *, const MacroInfo *> DeclOrMacro;
  27.   const IdentifierInfo *MacroName = nullptr;
  28.   SmallVector<SymbolRelation, 3> Relations;
  29.  
  30.   DeclOccurrence(SymbolRoleSet R, unsigned Offset, const Decl *D,
  31.                  ArrayRef<SymbolRelation> Relations)
  32.       : Roles(R), Offset(Offset), DeclOrMacro(D),
  33.         Relations(Relations.begin(), Relations.end()) {}
  34.   DeclOccurrence(SymbolRoleSet R, unsigned Offset, const IdentifierInfo *Name,
  35.                  const MacroInfo *MI)
  36.       : Roles(R), Offset(Offset), DeclOrMacro(MI), MacroName(Name) {}
  37.  
  38.   friend bool operator<(const DeclOccurrence &LHS, const DeclOccurrence &RHS) {
  39.     return LHS.Offset < RHS.Offset;
  40.   }
  41. };
  42.  
  43. } // namespace index
  44. } // namespace clang
  45.  
  46. #endif // LLVM_CLANG_INDEX_DECLOCCURRENCE_H
  47.