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📄 AppendingTypeTableBuilder.h(2.24 KB)
📄 CVRecord.h(4.16 KB)
📄 CVSymbolVisitor.h(1.23 KB)
📄 CVTypeVisitor.h(2.19 KB)
📄 CodeView.h(17.73 KB)
📄 CodeViewError.h(1.46 KB)
📄 CodeViewRecordIO.h(7.83 KB)
📄 CodeViewRegisters.def(16.43 KB)
📄 CodeViewSymbols.def(9.57 KB)
📄 CodeViewTypes.def(7.58 KB)
📄 ContinuationRecordBuilder.h(2.14 KB)
📄 DebugChecksumsSubsection.h(3.06 KB)
📄 DebugCrossExSubsection.h(2.1 KB)
📄 DebugCrossImpSubsection.h(2.76 KB)
📄 DebugFrameDataSubsection.h(2.02 KB)
📄 DebugInlineeLinesSubsection.h(3.86 KB)
📄 DebugLinesSubsection.h(4.77 KB)
📄 DebugStringTableSubsection.h(2.92 KB)
📄 DebugSubsection.h(1.43 KB)
📄 DebugSubsectionRecord.h(3.09 KB)
📄 DebugSubsectionVisitor.h(4.28 KB)
📄 DebugSymbolRVASubsection.h(1.83 KB)
📄 DebugSymbolsSubsection.h(1.6 KB)
📄 DebugUnknownSubsection.h(925 B)
📄 EnumTables.h(2.32 KB)
📄 Formatters.h(1.94 KB)
📄 FunctionId.h(1.34 KB)
📄 GUID.h(1.34 KB)
📄 GlobalTypeTableBuilder.h(4.39 KB)
📄 LazyRandomTypeCollection.h(4.64 KB)
📄 Line.h(3.57 KB)
📄 MergingTypeTableBuilder.h(2.71 KB)
📄 RecordName.h(809 B)
📄 RecordSerialization.h(7.07 KB)
📄 SimpleTypeSerializer.h(1.24 KB)
📄 StringsAndChecksums.h(3.92 KB)
📄 SymbolDeserializer.h(3.47 KB)
📄 SymbolDumpDelegate.h(1.18 KB)
📄 SymbolDumper.h(2.05 KB)
📄 SymbolRecord.h(27.67 KB)
📄 SymbolRecordHelpers.h(1.78 KB)
📄 SymbolRecordMapping.h(1.52 KB)
📄 SymbolSerializer.h(2.99 KB)
📄 SymbolVisitorCallbackPipeline.h(2.58 KB)
📄 SymbolVisitorCallbacks.h(1.81 KB)
📄 SymbolVisitorDelegate.h(1.02 KB)
📄 TypeCollection.h(1.35 KB)
📄 TypeDeserializer.h(5.47 KB)
📄 TypeDumpVisitor.h(3.26 KB)
📄 TypeHashing.h(8.75 KB)
📄 TypeIndex.h(9.64 KB)
📄 TypeIndexDiscovery.h(1.71 KB)
📄 TypeRecord.h(31.56 KB)
📄 TypeRecordHelpers.h(1.47 KB)
📄 TypeRecordMapping.h(1.97 KB)
📄 TypeStreamMerger.h(4.51 KB)
📄 TypeSymbolEmitter.h(884 B)
📄 TypeTableCollection.h(1.25 KB)
📄 TypeVisitorCallbackPipeline.h(3.74 KB)
📄 TypeVisitorCallbacks.h(2.67 KB)

Editing: StringsAndChecksums.h

//===- StringsAndChecksums.h ------------------------------------*- 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_CODEVIEW_STRINGSANDCHECKSUMS_H
#define LLVM_DEBUGINFO_CODEVIEW_STRINGSANDCHECKSUMS_H

#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
#include <memory>

namespace llvm {
namespace codeview {

class StringsAndChecksumsRef {
public:
  // If no subsections are known about initially, we find as much as we can.
  StringsAndChecksumsRef();

// If only a string table subsection is given, we find a checksums subsection.
  explicit StringsAndChecksumsRef(const DebugStringTableSubsectionRef &Strings);

// If both subsections are given, we don't need to find anything.
  StringsAndChecksumsRef(const DebugStringTableSubsectionRef &Strings,
                         const DebugChecksumsSubsectionRef &Checksums);

void setStrings(const DebugStringTableSubsectionRef &Strings);
  void setChecksums(const DebugChecksumsSubsectionRef &CS);

void reset();
  void resetStrings();
  void resetChecksums();

template <typename T> void initialize(T &&FragmentRange) {
    for (const DebugSubsectionRecord &R : FragmentRange) {
      if (Strings && Checksums)
        return;
      if (R.kind() == DebugSubsectionKind::FileChecksums) {
        initializeChecksums(R);
        continue;
      }
      if (R.kind() == DebugSubsectionKind::StringTable && !Strings) {
        // While in practice we should never encounter a string table even
        // though the string table is already initialized, in theory it's
        // possible.  PDBs are supposed to have one global string table and
        // then this subsection should not appear.  Whereas object files are
        // supposed to have this subsection appear exactly once.  However,
        // for testing purposes it's nice to be able to test this subsection
        // independently of one format or the other, so for some tests we
        // manually construct a PDB that contains this subsection in addition
        // to a global string table.
        initializeStrings(R);
        continue;
      }
    }
  }

const DebugStringTableSubsectionRef &strings() const { return *Strings; }
  const DebugChecksumsSubsectionRef &checksums() const { return *Checksums; }

bool hasStrings() const { return Strings != nullptr; }
  bool hasChecksums() const { return Checksums != nullptr; }

private:
  void initializeStrings(const DebugSubsectionRecord &SR);
  void initializeChecksums(const DebugSubsectionRecord &FCR);

std::shared_ptr<DebugStringTableSubsectionRef> OwnedStrings;
  std::shared_ptr<DebugChecksumsSubsectionRef> OwnedChecksums;

const DebugStringTableSubsectionRef *Strings = nullptr;
  const DebugChecksumsSubsectionRef *Checksums = nullptr;
};

class StringsAndChecksums {
public:
  using StringsPtr = std::shared_ptr<DebugStringTableSubsection>;
  using ChecksumsPtr = std::shared_ptr<DebugChecksumsSubsection>;

// If no subsections are known about initially, we find as much as we can.
  StringsAndChecksums() = default;

void setStrings(const StringsPtr &SP) { Strings = SP; }
  void setChecksums(const ChecksumsPtr &CP) { Checksums = CP; }

const StringsPtr &strings() const { return Strings; }
  const ChecksumsPtr &checksums() const { return Checksums; }

bool hasStrings() const { return Strings != nullptr; }
  bool hasChecksums() const { return Checksums != nullptr; }

private:
  StringsPtr Strings;
  ChecksumsPtr Checksums;
};

} // end namespace codeview
} // end namespace llvm

#endif // LLVM_DEBUGINFO_CODEVIEW_STRINGSANDCHECKSUMS_H

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Editing: StringsAndChecksums.h

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