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  1. //===- ConcreteSymbolEnumerator.h -------------------------------*- 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_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
  10. #define LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
  11.  
  12. #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
  13. #include "llvm/DebugInfo/PDB/PDBTypes.h"
  14. #include "llvm/Support/Casting.h"
  15. #include <algorithm>
  16. #include <cstdint>
  17. #include <memory>
  18.  
  19. namespace llvm {
  20. namespace pdb {
  21.  
  22. template <typename ChildType>
  23. class ConcreteSymbolEnumerator : public IPDBEnumChildren<ChildType> {
  24. public:
  25.   ConcreteSymbolEnumerator(std::unique_ptr<IPDBEnumSymbols> SymbolEnumerator)
  26.       : Enumerator(std::move(SymbolEnumerator)) {}
  27.  
  28.   ~ConcreteSymbolEnumerator() override = default;
  29.  
  30.   uint32_t getChildCount() const override {
  31.     return Enumerator->getChildCount();
  32.   }
  33.  
  34.   std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
  35.     std::unique_ptr<PDBSymbol> Child = Enumerator->getChildAtIndex(Index);
  36.     return unique_dyn_cast_or_null<ChildType>(Child);
  37.   }
  38.  
  39.   std::unique_ptr<ChildType> getNext() override {
  40.     return unique_dyn_cast_or_null<ChildType>(Enumerator->getNext());
  41.   }
  42.  
  43.   void reset() override { Enumerator->reset(); }
  44.  
  45. private:
  46.  
  47.   std::unique_ptr<IPDBEnumSymbols> Enumerator;
  48. };
  49.  
  50. } // end namespace pdb
  51. } // end namespace llvm
  52.  
  53. #endif // LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
  54.