49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
|
//===- IPDBEnumChildren.h - base interface for child enumerator -*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef LLVM_DEBUGINFO_PDB_IPDBENUMCHILDREN_H
|
||
|
|
#define LLVM_DEBUGINFO_PDB_IPDBENUMCHILDREN_H
|
||
|
|
|
||
|
|
#include <cassert>
|
||
|
|
#include <cstdint>
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
namespace pdb {
|
||
|
|
|
||
|
|
template <typename ChildType> class IPDBEnumChildren {
|
||
|
|
public:
|
||
|
|
using ChildTypePtr = std::unique_ptr<ChildType>;
|
||
|
|
using MyType = IPDBEnumChildren<ChildType>;
|
||
|
|
|
||
|
|
virtual ~IPDBEnumChildren() = default;
|
||
|
|
|
||
|
|
virtual uint32_t getChildCount() const = 0;
|
||
|
|
virtual ChildTypePtr getChildAtIndex(uint32_t Index) const = 0;
|
||
|
|
virtual ChildTypePtr getNext() = 0;
|
||
|
|
virtual void reset() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename ChildType>
|
||
|
|
class NullEnumerator : public IPDBEnumChildren<ChildType> {
|
||
|
|
virtual uint32_t getChildCount() const override { return 0; }
|
||
|
|
virtual std::unique_ptr<ChildType>
|
||
|
|
getChildAtIndex(uint32_t Index) const override {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
virtual std::unique_ptr<ChildType> getNext() override {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
virtual void reset() override {}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace pdb
|
||
|
|
} // end namespace llvm
|
||
|
|
|
||
|
|
#endif // LLVM_DEBUGINFO_PDB_IPDBENUMCHILDREN_H
|