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"
20 template <typename ChildType>
21 class ConcreteSymbolEnumerator : public IPDBEnumChildren<ChildType> {
23 ConcreteSymbolEnumerator(std::unique_ptr<IPDBEnumSymbols> SymbolEnumerator)
24 : Enumerator(std::move(SymbolEnumerator)) {}
26 ~ConcreteSymbolEnumerator() override {}
28 uint32_t getChildCount() const override {
29 return Enumerator->getChildCount();
32 std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
33 std::unique_ptr<PDBSymbol> Child = Enumerator->getChildAtIndex(Index);
34 return make_concrete_child(std::move(Child));
37 std::unique_ptr<ChildType> getNext() override {
38 std::unique_ptr<PDBSymbol> Child = Enumerator->getNext();
39 return make_concrete_child(std::move(Child));
42 void reset() override { Enumerator->reset(); }
44 ConcreteSymbolEnumerator<ChildType> *clone() const override {
45 std::unique_ptr<IPDBEnumSymbols> WrappedClone(Enumerator->clone());
46 return new ConcreteSymbolEnumerator<ChildType>(std::move(WrappedClone));
50 std::unique_ptr<ChildType>
51 make_concrete_child(std::unique_ptr<PDBSymbol> Child) const {
52 ChildType *ConcreteChild = dyn_cast_or_null<ChildType>(Child.release());
53 return std::unique_ptr<ChildType>(ConcreteChild);
56 std::unique_ptr<IPDBEnumSymbols> Enumerator;