6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
//===- IPDBEnumChildren.h - base interface for child enumerator -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_PDB_IPDBENUMCHILDREN_H
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#define LLVM_DEBUGINFO_PDB_IPDBENUMCHILDREN_H
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#include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
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#include <cassert>
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#include <cstdint>
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#include <memory>
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namespace llvm {
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namespace pdb {
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template <typename ChildType> class IPDBEnumChildren {
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public:
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using ChildTypePtr = std::unique_ptr<ChildType>;
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using MyType = IPDBEnumChildren<ChildType>;
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virtual ~IPDBEnumChildren() = default;
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virtual uint32_t getChildCount() const = 0;
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virtual ChildTypePtr getChildAtIndex(uint32_t Index) const = 0;
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virtual ChildTypePtr getNext() = 0;
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virtual void reset() = 0;
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};
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template <typename ChildType>
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class NullEnumerator : public IPDBEnumChildren<ChildType> {
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uint32_t getChildCount() const override { return 0; }
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std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
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return nullptr;
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}
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std::unique_ptr<ChildType> getNext() override { return nullptr; }
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void reset() override {}
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};
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} // end namespace pdb
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_PDB_IPDBENUMCHILDREN_H
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