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      1 //===- llvm/unittest/DebugInfo/PDB/PDBApiTest.cpp -------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include <unordered_map>
     11 
     12 #include "llvm/ADT/STLExtras.h"
     13 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
     14 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
     15 #include "llvm/DebugInfo/PDB/IPDBSession.h"
     16 #include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
     17 
     18 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
     19 #include "llvm/DebugInfo/PDB/PDBSymbolAnnotation.h"
     20 #include "llvm/DebugInfo/PDB/PDBSymbolBlock.h"
     21 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
     22 #include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
     23 #include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
     24 #include "llvm/DebugInfo/PDB/PDBSymbolCustom.h"
     25 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
     26 #include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
     27 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
     28 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
     29 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
     30 #include "llvm/DebugInfo/PDB/PDBSymbolLabel.h"
     31 #include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h"
     32 #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
     33 #include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h"
     34 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
     35 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
     36 #include "llvm/DebugInfo/PDB/PDBSymbolTypeCustom.h"
     37 #include "llvm/DebugInfo/PDB/PDBSymbolTypeDimension.h"
     38 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
     39 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFriend.h"
     40 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h"
     41 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
     42 #include "llvm/DebugInfo/PDB/PDBSymbolTypeManaged.h"
     43 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
     44 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
     45 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
     46 #include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h"
     47 #include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h"
     48 #include "llvm/DebugInfo/PDB/PDBSymbolUnknown.h"
     49 #include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h"
     50 #include "llvm/DebugInfo/PDB/PDBTypes.h"
     51 #include "gtest/gtest.h"
     52 using namespace llvm;
     53 
     54 namespace {
     55 
     56 #define MOCK_SYMBOL_ACCESSOR(Func)                                             \
     57   decltype(std::declval<IPDBRawSymbol>().Func()) Func() const override {       \
     58     typedef decltype(IPDBRawSymbol::Func()) ReturnType;                        \
     59     return ReturnType();                                                       \
     60   }
     61 
     62 class MockSession : public IPDBSession {
     63   uint64_t getLoadAddress() const override { return 0; }
     64   void setLoadAddress(uint64_t Address) override {}
     65   std::unique_ptr<PDBSymbolExe> getGlobalScope() const override {
     66     return nullptr;
     67   }
     68   std::unique_ptr<PDBSymbol> getSymbolById(uint32_t SymbolId) const override {
     69     return nullptr;
     70   }
     71   std::unique_ptr<IPDBSourceFile>
     72   getSourceFileById(uint32_t SymbolId) const override {
     73     return nullptr;
     74   }
     75   std::unique_ptr<IPDBEnumSourceFiles> getAllSourceFiles() const override {
     76     return nullptr;
     77   }
     78   std::unique_ptr<IPDBEnumSourceFiles> getSourceFilesForCompiland(
     79       const PDBSymbolCompiland &Compiland) const override {
     80     return nullptr;
     81   }
     82 
     83   std::unique_ptr<IPDBEnumDataStreams> getDebugStreams() const override {
     84     return nullptr;
     85   }
     86 };
     87 
     88 class MockRawSymbol : public IPDBRawSymbol {
     89 public:
     90   MockRawSymbol(PDB_SymType SymType)
     91       : Type(SymType) {}
     92 
     93   void dump(raw_ostream &OS, int Indent) const override {}
     94 
     95   std::unique_ptr<IPDBEnumSymbols>
     96   findChildren(PDB_SymType Type) const override {
     97     return nullptr;
     98   }
     99   std::unique_ptr<IPDBEnumSymbols>
    100   findChildren(PDB_SymType Type, StringRef Name,
    101                PDB_NameSearchFlags Flags) const override {
    102     return nullptr;
    103   }
    104   std::unique_ptr<IPDBEnumSymbols>
    105   findChildrenByRVA(PDB_SymType Type, StringRef Name, PDB_NameSearchFlags Flags,
    106                     uint32_t RVA) const override {
    107     return nullptr;
    108   }
    109   std::unique_ptr<IPDBEnumSymbols>
    110   findInlineFramesByRVA(uint32_t RVA) const override {
    111     return nullptr;
    112   }
    113 
    114   void getDataBytes(llvm::SmallVector<uint8_t, 32> &bytes) const override {}
    115   void getFrontEndVersion(VersionInfo &Version) const override {}
    116   void getBackEndVersion(VersionInfo &Version) const override {}
    117 
    118   PDB_SymType getSymTag() const override { return Type; }
    119 
    120   MOCK_SYMBOL_ACCESSOR(getAccess)
    121   MOCK_SYMBOL_ACCESSOR(getAddressOffset)
    122   MOCK_SYMBOL_ACCESSOR(getAddressSection)
    123   MOCK_SYMBOL_ACCESSOR(getAge)
    124   MOCK_SYMBOL_ACCESSOR(getArrayIndexTypeId)
    125   MOCK_SYMBOL_ACCESSOR(getBaseDataOffset)
    126   MOCK_SYMBOL_ACCESSOR(getBaseDataSlot)
    127   MOCK_SYMBOL_ACCESSOR(getBaseSymbolId)
    128   MOCK_SYMBOL_ACCESSOR(getBuiltinType)
    129   MOCK_SYMBOL_ACCESSOR(getBitPosition)
    130   MOCK_SYMBOL_ACCESSOR(getCallingConvention)
    131   MOCK_SYMBOL_ACCESSOR(getClassParentId)
    132   MOCK_SYMBOL_ACCESSOR(getCompilerName)
    133   MOCK_SYMBOL_ACCESSOR(getCount)
    134   MOCK_SYMBOL_ACCESSOR(getCountLiveRanges)
    135   MOCK_SYMBOL_ACCESSOR(getLanguage)
    136   MOCK_SYMBOL_ACCESSOR(getLexicalParentId)
    137   MOCK_SYMBOL_ACCESSOR(getLibraryName)
    138   MOCK_SYMBOL_ACCESSOR(getLiveRangeStartAddressOffset)
    139   MOCK_SYMBOL_ACCESSOR(getLiveRangeStartAddressSection)
    140   MOCK_SYMBOL_ACCESSOR(getLiveRangeStartRelativeVirtualAddress)
    141   MOCK_SYMBOL_ACCESSOR(getLocalBasePointerRegisterId)
    142   MOCK_SYMBOL_ACCESSOR(getLowerBoundId)
    143   MOCK_SYMBOL_ACCESSOR(getMemorySpaceKind)
    144   MOCK_SYMBOL_ACCESSOR(getName)
    145   MOCK_SYMBOL_ACCESSOR(getNumberOfAcceleratorPointerTags)
    146   MOCK_SYMBOL_ACCESSOR(getNumberOfColumns)
    147   MOCK_SYMBOL_ACCESSOR(getNumberOfModifiers)
    148   MOCK_SYMBOL_ACCESSOR(getNumberOfRegisterIndices)
    149   MOCK_SYMBOL_ACCESSOR(getNumberOfRows)
    150   MOCK_SYMBOL_ACCESSOR(getObjectFileName)
    151   MOCK_SYMBOL_ACCESSOR(getOemId)
    152   MOCK_SYMBOL_ACCESSOR(getOemSymbolId)
    153   MOCK_SYMBOL_ACCESSOR(getOffsetInUdt)
    154   MOCK_SYMBOL_ACCESSOR(getPlatform)
    155   MOCK_SYMBOL_ACCESSOR(getRank)
    156   MOCK_SYMBOL_ACCESSOR(getRegisterId)
    157   MOCK_SYMBOL_ACCESSOR(getRegisterType)
    158   MOCK_SYMBOL_ACCESSOR(getRelativeVirtualAddress)
    159   MOCK_SYMBOL_ACCESSOR(getSamplerSlot)
    160   MOCK_SYMBOL_ACCESSOR(getSignature)
    161   MOCK_SYMBOL_ACCESSOR(getSizeInUdt)
    162   MOCK_SYMBOL_ACCESSOR(getSlot)
    163   MOCK_SYMBOL_ACCESSOR(getSourceFileName)
    164   MOCK_SYMBOL_ACCESSOR(getStride)
    165   MOCK_SYMBOL_ACCESSOR(getSubTypeId)
    166   MOCK_SYMBOL_ACCESSOR(getSymbolsFileName)
    167   MOCK_SYMBOL_ACCESSOR(getSymIndexId)
    168   MOCK_SYMBOL_ACCESSOR(getTargetOffset)
    169   MOCK_SYMBOL_ACCESSOR(getTargetRelativeVirtualAddress)
    170   MOCK_SYMBOL_ACCESSOR(getTargetVirtualAddress)
    171   MOCK_SYMBOL_ACCESSOR(getTargetSection)
    172   MOCK_SYMBOL_ACCESSOR(getTextureSlot)
    173   MOCK_SYMBOL_ACCESSOR(getTimeStamp)
    174   MOCK_SYMBOL_ACCESSOR(getToken)
    175   MOCK_SYMBOL_ACCESSOR(getTypeId)
    176   MOCK_SYMBOL_ACCESSOR(getUavSlot)
    177   MOCK_SYMBOL_ACCESSOR(getUndecoratedName)
    178   MOCK_SYMBOL_ACCESSOR(getUnmodifiedTypeId)
    179   MOCK_SYMBOL_ACCESSOR(getUpperBoundId)
    180   MOCK_SYMBOL_ACCESSOR(getVirtualBaseDispIndex)
    181   MOCK_SYMBOL_ACCESSOR(getVirtualBaseOffset)
    182   MOCK_SYMBOL_ACCESSOR(getVirtualTableShapeId)
    183   MOCK_SYMBOL_ACCESSOR(getDataKind)
    184   MOCK_SYMBOL_ACCESSOR(getGuid)
    185   MOCK_SYMBOL_ACCESSOR(getOffset)
    186   MOCK_SYMBOL_ACCESSOR(getThisAdjust)
    187   MOCK_SYMBOL_ACCESSOR(getVirtualBasePointerOffset)
    188   MOCK_SYMBOL_ACCESSOR(getLocationType)
    189   MOCK_SYMBOL_ACCESSOR(getMachineType)
    190   MOCK_SYMBOL_ACCESSOR(getThunkOrdinal)
    191   MOCK_SYMBOL_ACCESSOR(getLength)
    192   MOCK_SYMBOL_ACCESSOR(getLiveRangeLength)
    193   MOCK_SYMBOL_ACCESSOR(getVirtualAddress)
    194   MOCK_SYMBOL_ACCESSOR(getUdtKind)
    195   MOCK_SYMBOL_ACCESSOR(hasConstructor)
    196   MOCK_SYMBOL_ACCESSOR(hasCustomCallingConvention)
    197   MOCK_SYMBOL_ACCESSOR(hasFarReturn)
    198   MOCK_SYMBOL_ACCESSOR(isCode)
    199   MOCK_SYMBOL_ACCESSOR(isCompilerGenerated)
    200   MOCK_SYMBOL_ACCESSOR(isConstType)
    201   MOCK_SYMBOL_ACCESSOR(isEditAndContinueEnabled)
    202   MOCK_SYMBOL_ACCESSOR(isFunction)
    203   MOCK_SYMBOL_ACCESSOR(getAddressTaken)
    204   MOCK_SYMBOL_ACCESSOR(getNoStackOrdering)
    205   MOCK_SYMBOL_ACCESSOR(hasAlloca)
    206   MOCK_SYMBOL_ACCESSOR(hasAssignmentOperator)
    207   MOCK_SYMBOL_ACCESSOR(hasCTypes)
    208   MOCK_SYMBOL_ACCESSOR(hasCastOperator)
    209   MOCK_SYMBOL_ACCESSOR(hasDebugInfo)
    210   MOCK_SYMBOL_ACCESSOR(hasEH)
    211   MOCK_SYMBOL_ACCESSOR(hasEHa)
    212   MOCK_SYMBOL_ACCESSOR(hasFramePointer)
    213   MOCK_SYMBOL_ACCESSOR(hasInlAsm)
    214   MOCK_SYMBOL_ACCESSOR(hasInlineAttribute)
    215   MOCK_SYMBOL_ACCESSOR(hasInterruptReturn)
    216   MOCK_SYMBOL_ACCESSOR(hasLongJump)
    217   MOCK_SYMBOL_ACCESSOR(hasManagedCode)
    218   MOCK_SYMBOL_ACCESSOR(hasNestedTypes)
    219   MOCK_SYMBOL_ACCESSOR(hasNoInlineAttribute)
    220   MOCK_SYMBOL_ACCESSOR(hasNoReturnAttribute)
    221   MOCK_SYMBOL_ACCESSOR(hasOptimizedCodeDebugInfo)
    222   MOCK_SYMBOL_ACCESSOR(hasOverloadedOperator)
    223   MOCK_SYMBOL_ACCESSOR(hasSEH)
    224   MOCK_SYMBOL_ACCESSOR(hasSecurityChecks)
    225   MOCK_SYMBOL_ACCESSOR(hasSetJump)
    226   MOCK_SYMBOL_ACCESSOR(hasStrictGSCheck)
    227   MOCK_SYMBOL_ACCESSOR(isAcceleratorGroupSharedLocal)
    228   MOCK_SYMBOL_ACCESSOR(isAcceleratorPointerTagLiveRange)
    229   MOCK_SYMBOL_ACCESSOR(isAcceleratorStubFunction)
    230   MOCK_SYMBOL_ACCESSOR(isAggregated)
    231   MOCK_SYMBOL_ACCESSOR(isIntroVirtualFunction)
    232   MOCK_SYMBOL_ACCESSOR(isCVTCIL)
    233   MOCK_SYMBOL_ACCESSOR(isConstructorVirtualBase)
    234   MOCK_SYMBOL_ACCESSOR(isCxxReturnUdt)
    235   MOCK_SYMBOL_ACCESSOR(isDataAligned)
    236   MOCK_SYMBOL_ACCESSOR(isHLSLData)
    237   MOCK_SYMBOL_ACCESSOR(isHotpatchable)
    238   MOCK_SYMBOL_ACCESSOR(isIndirectVirtualBaseClass)
    239   MOCK_SYMBOL_ACCESSOR(isInterfaceUdt)
    240   MOCK_SYMBOL_ACCESSOR(isIntrinsic)
    241   MOCK_SYMBOL_ACCESSOR(isLTCG)
    242   MOCK_SYMBOL_ACCESSOR(isLocationControlFlowDependent)
    243   MOCK_SYMBOL_ACCESSOR(isMSILNetmodule)
    244   MOCK_SYMBOL_ACCESSOR(isMatrixRowMajor)
    245   MOCK_SYMBOL_ACCESSOR(isManagedCode)
    246   MOCK_SYMBOL_ACCESSOR(isMSILCode)
    247   MOCK_SYMBOL_ACCESSOR(isMultipleInheritance)
    248   MOCK_SYMBOL_ACCESSOR(isNaked)
    249   MOCK_SYMBOL_ACCESSOR(isNested)
    250   MOCK_SYMBOL_ACCESSOR(isOptimizedAway)
    251   MOCK_SYMBOL_ACCESSOR(isPacked)
    252   MOCK_SYMBOL_ACCESSOR(isPointerBasedOnSymbolValue)
    253   MOCK_SYMBOL_ACCESSOR(isPointerToDataMember)
    254   MOCK_SYMBOL_ACCESSOR(isPointerToMemberFunction)
    255   MOCK_SYMBOL_ACCESSOR(isPureVirtual)
    256   MOCK_SYMBOL_ACCESSOR(isRValueReference)
    257   MOCK_SYMBOL_ACCESSOR(isRefUdt)
    258   MOCK_SYMBOL_ACCESSOR(isReference)
    259   MOCK_SYMBOL_ACCESSOR(isRestrictedType)
    260   MOCK_SYMBOL_ACCESSOR(isReturnValue)
    261   MOCK_SYMBOL_ACCESSOR(isSafeBuffers)
    262   MOCK_SYMBOL_ACCESSOR(isScoped)
    263   MOCK_SYMBOL_ACCESSOR(isSdl)
    264   MOCK_SYMBOL_ACCESSOR(isSingleInheritance)
    265   MOCK_SYMBOL_ACCESSOR(isSplitted)
    266   MOCK_SYMBOL_ACCESSOR(isStatic)
    267   MOCK_SYMBOL_ACCESSOR(hasPrivateSymbols)
    268   MOCK_SYMBOL_ACCESSOR(isUnalignedType)
    269   MOCK_SYMBOL_ACCESSOR(isUnreached)
    270   MOCK_SYMBOL_ACCESSOR(isValueUdt)
    271   MOCK_SYMBOL_ACCESSOR(isVirtual)
    272   MOCK_SYMBOL_ACCESSOR(isVirtualBaseClass)
    273   MOCK_SYMBOL_ACCESSOR(isVirtualInheritance)
    274   MOCK_SYMBOL_ACCESSOR(isVolatileType)
    275   MOCK_SYMBOL_ACCESSOR(getValue)
    276   MOCK_SYMBOL_ACCESSOR(wasInlined)
    277   MOCK_SYMBOL_ACCESSOR(getUnused)
    278 
    279 private:
    280   PDB_SymType Type;
    281 };
    282 
    283 class PDBApiTest : public testing::Test {
    284 public:
    285   std::unordered_map<PDB_SymType, std::unique_ptr<PDBSymbol>> SymbolMap;
    286 
    287   void SetUp() override {
    288     Session.reset(new MockSession());
    289 
    290     InsertItemWithTag(PDB_SymType::None);
    291     InsertItemWithTag(PDB_SymType::Exe);
    292     InsertItemWithTag(PDB_SymType::Compiland);
    293     InsertItemWithTag(PDB_SymType::CompilandDetails);
    294     InsertItemWithTag(PDB_SymType::CompilandEnv);
    295     InsertItemWithTag(PDB_SymType::Function);
    296     InsertItemWithTag(PDB_SymType::Block);
    297     InsertItemWithTag(PDB_SymType::Data);
    298     InsertItemWithTag(PDB_SymType::Annotation);
    299     InsertItemWithTag(PDB_SymType::Label);
    300     InsertItemWithTag(PDB_SymType::PublicSymbol);
    301     InsertItemWithTag(PDB_SymType::UDT);
    302     InsertItemWithTag(PDB_SymType::Enum);
    303     InsertItemWithTag(PDB_SymType::FunctionSig);
    304     InsertItemWithTag(PDB_SymType::PointerType);
    305     InsertItemWithTag(PDB_SymType::ArrayType);
    306     InsertItemWithTag(PDB_SymType::BuiltinType);
    307     InsertItemWithTag(PDB_SymType::Typedef);
    308     InsertItemWithTag(PDB_SymType::BaseClass);
    309     InsertItemWithTag(PDB_SymType::Friend);
    310     InsertItemWithTag(PDB_SymType::FunctionArg);
    311     InsertItemWithTag(PDB_SymType::FuncDebugStart);
    312     InsertItemWithTag(PDB_SymType::FuncDebugEnd);
    313     InsertItemWithTag(PDB_SymType::UsingNamespace);
    314     InsertItemWithTag(PDB_SymType::VTableShape);
    315     InsertItemWithTag(PDB_SymType::VTable);
    316     InsertItemWithTag(PDB_SymType::Custom);
    317     InsertItemWithTag(PDB_SymType::Thunk);
    318     InsertItemWithTag(PDB_SymType::CustomType);
    319     InsertItemWithTag(PDB_SymType::ManagedType);
    320     InsertItemWithTag(PDB_SymType::Dimension);
    321     InsertItemWithTag(PDB_SymType::Max);
    322   }
    323 
    324   template <class ExpectedType> void VerifyDyncast(PDB_SymType Tag) {
    325     for (auto item = SymbolMap.begin(); item != SymbolMap.end(); ++item) {
    326       EXPECT_EQ(item->first == Tag, llvm::isa<ExpectedType>(*item->second));
    327     }
    328   }
    329 
    330   void VerifyUnknownDyncasts() {
    331     for (auto item = SymbolMap.begin(); item != SymbolMap.end(); ++item) {
    332       bool should_match = false;
    333       if (item->first == PDB_SymType::None || item->first >= PDB_SymType::Max)
    334         should_match = true;
    335 
    336       EXPECT_EQ(should_match, llvm::isa<PDBSymbolUnknown>(*item->second));
    337     }
    338   }
    339 
    340 private:
    341   std::unique_ptr<IPDBSession> Session;
    342 
    343   void InsertItemWithTag(PDB_SymType Tag) {
    344     auto RawSymbol = llvm::make_unique<MockRawSymbol>(Tag);
    345     auto Symbol = PDBSymbol::create(*Session, std::move(RawSymbol));
    346     SymbolMap.insert(std::make_pair(Tag, std::move(Symbol)));
    347   }
    348 };
    349 
    350 TEST_F(PDBApiTest, Dyncast) {
    351 
    352   // Most of the types have a one-to-one mapping between Tag and concrete type.
    353   VerifyDyncast<PDBSymbolExe>(PDB_SymType::Exe);
    354   VerifyDyncast<PDBSymbolCompiland>(PDB_SymType::Compiland);
    355   VerifyDyncast<PDBSymbolCompilandDetails>(PDB_SymType::CompilandDetails);
    356   VerifyDyncast<PDBSymbolCompilandEnv>(PDB_SymType::CompilandEnv);
    357   VerifyDyncast<PDBSymbolFunc>(PDB_SymType::Function);
    358   VerifyDyncast<PDBSymbolBlock>(PDB_SymType::Block);
    359   VerifyDyncast<PDBSymbolData>(PDB_SymType::Data);
    360   VerifyDyncast<PDBSymbolAnnotation>(PDB_SymType::Annotation);
    361   VerifyDyncast<PDBSymbolLabel>(PDB_SymType::Label);
    362   VerifyDyncast<PDBSymbolPublicSymbol>(PDB_SymType::PublicSymbol);
    363   VerifyDyncast<PDBSymbolTypeUDT>(PDB_SymType::UDT);
    364   VerifyDyncast<PDBSymbolTypeEnum>(PDB_SymType::Enum);
    365   VerifyDyncast<PDBSymbolTypeFunctionSig>(PDB_SymType::FunctionSig);
    366   VerifyDyncast<PDBSymbolTypePointer>(PDB_SymType::PointerType);
    367   VerifyDyncast<PDBSymbolTypeArray>(PDB_SymType::ArrayType);
    368   VerifyDyncast<PDBSymbolTypeBuiltin>(PDB_SymType::BuiltinType);
    369   VerifyDyncast<PDBSymbolTypeTypedef>(PDB_SymType::Typedef);
    370   VerifyDyncast<PDBSymbolTypeBaseClass>(PDB_SymType::BaseClass);
    371   VerifyDyncast<PDBSymbolTypeFriend>(PDB_SymType::Friend);
    372   VerifyDyncast<PDBSymbolTypeFunctionArg>(PDB_SymType::FunctionArg);
    373   VerifyDyncast<PDBSymbolFuncDebugStart>(PDB_SymType::FuncDebugStart);
    374   VerifyDyncast<PDBSymbolFuncDebugEnd>(PDB_SymType::FuncDebugEnd);
    375   VerifyDyncast<PDBSymbolUsingNamespace>(PDB_SymType::UsingNamespace);
    376   VerifyDyncast<PDBSymbolTypeVTableShape>(PDB_SymType::VTableShape);
    377   VerifyDyncast<PDBSymbolTypeVTable>(PDB_SymType::VTable);
    378   VerifyDyncast<PDBSymbolCustom>(PDB_SymType::Custom);
    379   VerifyDyncast<PDBSymbolThunk>(PDB_SymType::Thunk);
    380   VerifyDyncast<PDBSymbolTypeCustom>(PDB_SymType::CustomType);
    381   VerifyDyncast<PDBSymbolTypeManaged>(PDB_SymType::ManagedType);
    382   VerifyDyncast<PDBSymbolTypeDimension>(PDB_SymType::Dimension);
    383 
    384   VerifyUnknownDyncasts();
    385 }
    386 
    387 } // end anonymous namespace
    388