LLVM  10.0.0svn
ConcreteSymbolEnumerator.h
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1 //===- ConcreteSymbolEnumerator.h -------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
10 #define LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
11 
14 #include "llvm/Support/Casting.h"
15 #include <algorithm>
16 #include <cstdint>
17 #include <memory>
18 
19 namespace llvm {
20 namespace pdb {
21 
22 template <typename ChildType>
23 class ConcreteSymbolEnumerator : public IPDBEnumChildren<ChildType> {
24 public:
25  ConcreteSymbolEnumerator(std::unique_ptr<IPDBEnumSymbols> SymbolEnumerator)
26  : Enumerator(std::move(SymbolEnumerator)) {}
27 
28  ~ConcreteSymbolEnumerator() override = default;
29 
30  uint32_t getChildCount() const override {
31  return Enumerator->getChildCount();
32  }
33 
34  std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
35  std::unique_ptr<PDBSymbol> Child = Enumerator->getChildAtIndex(Index);
36  return unique_dyn_cast_or_null<ChildType>(Child);
37  }
38 
39  std::unique_ptr<ChildType> getNext() override {
40  return unique_dyn_cast_or_null<ChildType>(Enumerator->getNext());
41  }
42 
43  void reset() override { Enumerator->reset(); }
44 
45 private:
46 
47  std::unique_ptr<IPDBEnumSymbols> Enumerator;
48 };
49 
50 } // end namespace pdb
51 } // end namespace llvm
52 
53 #endif // LLVM_DEBUGINFO_PDB_CONCRETESYMBOLENUMERATOR_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
std::unique_ptr< ChildType > getChildAtIndex(uint32_t Index) const override
Definition: BitVector.h:937
std::unique_ptr< ChildType > getNext() override
~ConcreteSymbolEnumerator() override=default
ConcreteSymbolEnumerator(std::unique_ptr< IPDBEnumSymbols > SymbolEnumerator)