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//===- ConcreteSymbolEnumerator.h -------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
#define LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"
#include "llvm/Support/Casting.h"
#include <algorithm>
#include <cstdint>
#include <memory>
namespace llvm {
namespace pdb {
template <typename ChildType>
class ConcreteSymbolEnumerator : public IPDBEnumChildren<ChildType> {
public:
ConcreteSymbolEnumerator(std::unique_ptr<IPDBEnumSymbols> SymbolEnumerator)
: Enumerator(std::move(SymbolEnumerator)) {}
~ConcreteSymbolEnumerator() override = default;
uint32_t getChildCount() const override {
return Enumerator->getChildCount();
}
std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
std::unique_ptr<PDBSymbol> Child = Enumerator->getChildAtIndex(Index);
return make_concrete_child(std::move(Child));
}
std::unique_ptr<ChildType> getNext() override {
std::unique_ptr<PDBSymbol> Child = Enumerator->getNext();
return make_concrete_child(std::move(Child));
}
void reset() override { Enumerator->reset(); }
ConcreteSymbolEnumerator<ChildType> *clone() const override {
std::unique_ptr<IPDBEnumSymbols> WrappedClone(Enumerator->clone());
return new ConcreteSymbolEnumerator<ChildType>(std::move(WrappedClone));
}
private:
std::unique_ptr<ChildType>
make_concrete_child(std::unique_ptr<PDBSymbol> Child) const {
ChildType *ConcreteChild = dyn_cast_or_null<ChildType>(Child.release());
return std::unique_ptr<ChildType>(ConcreteChild);
}
std::unique_ptr<IPDBEnumSymbols> Enumerator;
};
} // end namespace pdb
} // end namespace llvm
#endif // LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
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