1 //===- ConcreteSymbolEnumerator.h -------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H 11 #define LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H 12 13 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h" 14 #include "llvm/DebugInfo/PDB/PDBTypes.h" 15 #include "llvm/Support/Casting.h" 16 #include <algorithm> 17 #include <cstdint> 18 #include <memory> 19 20 namespace llvm { 21 namespace pdb { 22 23 template <typename ChildType> 24 class ConcreteSymbolEnumerator : public IPDBEnumChildren<ChildType> { 25 public: 26 ConcreteSymbolEnumerator(std::unique_ptr<IPDBEnumSymbols> SymbolEnumerator) 27 : Enumerator(std::move(SymbolEnumerator)) {} 28 29 ~ConcreteSymbolEnumerator() override = default; 30 31 uint32_t getChildCount() const override { 32 return Enumerator->getChildCount(); 33 } 34 35 std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override { 36 std::unique_ptr<PDBSymbol> Child = Enumerator->getChildAtIndex(Index); 37 return unique_dyn_cast_or_null<ChildType>(Child); 38 } 39 40 std::unique_ptr<ChildType> getNext() override { 41 return unique_dyn_cast_or_null<ChildType>(Enumerator->getNext()); 42 } 43 44 void reset() override { Enumerator->reset(); } 45 46 ConcreteSymbolEnumerator<ChildType> *clone() const override { 47 std::unique_ptr<IPDBEnumSymbols> WrappedClone(Enumerator->clone()); 48 return new ConcreteSymbolEnumerator<ChildType>(std::move(WrappedClone)); 49 } 50 51 private: 52 53 std::unique_ptr<IPDBEnumSymbols> Enumerator; 54 }; 55 56 } // end namespace pdb 57 } // end namespace llvm 58 59 #endif // LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H 60
