1 //===- ConcreteSymbolEnumerator.h -------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
11 #define LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
13 #include "IPDBEnumChildren.h"
14 #include "llvm/Support/Casting.h"
19 template <typename ChildType>
20 class ConcreteSymbolEnumerator : public IPDBEnumChildren<ChildType> {
22 ConcreteSymbolEnumerator(std::unique_ptr<IPDBEnumSymbols> SymbolEnumerator)
23 : Enumerator(std::move(SymbolEnumerator)) {}
25 virtual ~ConcreteSymbolEnumerator() {}
27 uint32_t getChildCount() const override {
28 return Enumerator->getChildCount();
31 std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
32 std::unique_ptr<PDBSymbol> Child = Enumerator->getChildAtIndex(Index);
33 return make_concrete_child(std::move(Child));
36 std::unique_ptr<ChildType> getNext() override {
37 std::unique_ptr<PDBSymbol> Child = Enumerator->getNext();
38 return make_concrete_child(std::move(Child));
41 void reset() override { Enumerator->reset(); }
43 ConcreteSymbolEnumerator<ChildType> *clone() const override {
44 std::unique_ptr<IPDBEnumSymbols> WrappedClone(Enumerator->clone());
45 return new ConcreteSymbolEnumerator<ChildType>(std::move(WrappedClone));
49 std::unique_ptr<ChildType>
50 make_concrete_child(std::unique_ptr<PDBSymbol> Child) const {
51 ChildType *ConcreteChild = dyn_cast_or_null<ChildType>(Child.release());
52 return std::unique_ptr<ChildType>(ConcreteChild);
55 std::unique_ptr<IPDBEnumSymbols> Enumerator;