contrib/llvm/tools/llvm-pdbdump/YamlTypeDumper.cpp

   1 //===- YamlTypeDumper.cpp ------------------------------------- *- C++ --*-===//
   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 "YamlTypeDumper.h"
  11 #include "PdbYaml.h"
  12 #include "YamlSerializationContext.h"
  13
  14 #include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
  15 #include "llvm/DebugInfo/CodeView/EnumTables.h"
  16 #include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
  17 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
  18 #include "llvm/DebugInfo/CodeView/TypeSerializer.h"
  19 #include "llvm/DebugInfo/CodeView/TypeVisitorCallbackPipeline.h"
  20 #include "llvm/DebugInfo/PDB/Native/TpiHashing.h"
  21
  22 using namespace llvm;
  23 using namespace llvm::codeview;
  24 using namespace llvm::codeview::yaml;
  25
  26 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(TypeIndex)
  27 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint64_t)
  28 LLVM_YAML_IS_SEQUENCE_VECTOR(OneMethodRecord)
  29 LLVM_YAML_IS_SEQUENCE_VECTOR(VFTableSlotKind)
  30 LLVM_YAML_IS_SEQUENCE_VECTOR(StringRef)
  31 LLVM_YAML_IS_SEQUENCE_VECTOR(CVType)
  32 LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbTpiFieldListRecord)
  33
  34 namespace {
  35 struct FieldListRecordSplitter : public TypeVisitorCallbacks {
  36 public:
  37   explicit FieldListRecordSplitter(
  38       std::vector<llvm::pdb::yaml::PdbTpiFieldListRecord> &Records)
  39       : Records(Records) {}
  40
  41 #define TYPE_RECORD(EnumName, EnumVal, Name)
  42 #define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
  43 #define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
  44 #define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
  45   Error visitKnownMember(CVMemberRecord &CVT, Name##Record &Record) override { \
  46     visitKnownMemberImpl(CVT);                                                 \
  47     return Error::success();                                                   \
  48   }
  49 #include "llvm/DebugInfo/CodeView/TypeRecords.def"
  50
  51 private:
  52   void visitKnownMemberImpl(CVMemberRecord &CVT) {
  53     llvm::pdb::yaml::PdbTpiFieldListRecord R;
  54     R.Record = CVT;
  55     Records.push_back(std::move(R));
  56   }
  57
  58   std::vector<llvm::pdb::yaml::PdbTpiFieldListRecord> &Records;
  59 };
  60 }
  61
  62 namespace llvm {
  63 namespace yaml {
  64 template <> struct ScalarEnumerationTraits<PointerToMemberRepresentation> {
  65   static void enumeration(IO &IO, PointerToMemberRepresentation &Value) {
  66     IO.enumCase(Value, "Unknown", PointerToMemberRepresentation::Unknown);
  67     IO.enumCase(Value, "SingleInheritanceData",
  68                 PointerToMemberRepresentation::SingleInheritanceData);
  69     IO.enumCase(Value, "MultipleInheritanceData",
  70                 PointerToMemberRepresentation::MultipleInheritanceData);
  71     IO.enumCase(Value, "VirtualInheritanceData",
  72                 PointerToMemberRepresentation::VirtualInheritanceData);
  73     IO.enumCase(Value, "GeneralData",
  74                 PointerToMemberRepresentation::GeneralData);
  75     IO.enumCase(Value, "SingleInheritanceFunction",
  76                 PointerToMemberRepresentation::SingleInheritanceFunction);
  77     IO.enumCase(Value, "MultipleInheritanceFunction",
  78                 PointerToMemberRepresentation::MultipleInheritanceFunction);
  79     IO.enumCase(Value, "VirtualInheritanceFunction",
  80                 PointerToMemberRepresentation::VirtualInheritanceFunction);
  81     IO.enumCase(Value, "GeneralFunction",
  82                 PointerToMemberRepresentation::GeneralFunction);
  83   }
  84 };
  85
  86 template <> struct ScalarEnumerationTraits<VFTableSlotKind> {
  87   static void enumeration(IO &IO, VFTableSlotKind &Kind) {
  88     IO.enumCase(Kind, "Near16", VFTableSlotKind::Near16);
  89     IO.enumCase(Kind, "Far16", VFTableSlotKind::Far16);
  90     IO.enumCase(Kind, "This", VFTableSlotKind::This);
  91     IO.enumCase(Kind, "Outer", VFTableSlotKind::Outer);
  92     IO.enumCase(Kind, "Meta", VFTableSlotKind::Meta);
  93     IO.enumCase(Kind, "Near", VFTableSlotKind::Near);
  94     IO.enumCase(Kind, "Far", VFTableSlotKind::Far);
  95   }
  96 };
  97
  98 template <> struct ScalarEnumerationTraits<CallingConvention> {
  99   static void enumeration(IO &IO, CallingConvention &Value) {
 100     IO.enumCase(Value, "NearC", CallingConvention::NearC);
 101     IO.enumCase(Value, "FarC", CallingConvention::FarC);
 102     IO.enumCase(Value, "NearPascal", CallingConvention::NearPascal);
 103     IO.enumCase(Value, "FarPascal", CallingConvention::FarPascal);
 104     IO.enumCase(Value, "NearFast", CallingConvention::NearFast);
 105     IO.enumCase(Value, "FarFast", CallingConvention::FarFast);
 106     IO.enumCase(Value, "NearStdCall", CallingConvention::NearStdCall);
 107     IO.enumCase(Value, "FarStdCall", CallingConvention::FarStdCall);
 108     IO.enumCase(Value, "NearSysCall", CallingConvention::NearSysCall);
 109     IO.enumCase(Value, "FarSysCall", CallingConvention::FarSysCall);
 110     IO.enumCase(Value, "ThisCall", CallingConvention::ThisCall);
 111     IO.enumCase(Value, "MipsCall", CallingConvention::MipsCall);
 112     IO.enumCase(Value, "Generic", CallingConvention::Generic);
 113     IO.enumCase(Value, "AlphaCall", CallingConvention::AlphaCall);
 114     IO.enumCase(Value, "PpcCall", CallingConvention::PpcCall);
 115     IO.enumCase(Value, "SHCall", CallingConvention::SHCall);
 116     IO.enumCase(Value, "ArmCall", CallingConvention::ArmCall);
 117     IO.enumCase(Value, "AM33Call", CallingConvention::AM33Call);
 118     IO.enumCase(Value, "TriCall", CallingConvention::TriCall);
 119     IO.enumCase(Value, "SH5Call", CallingConvention::SH5Call);
 120     IO.enumCase(Value, "M32RCall", CallingConvention::M32RCall);
 121     IO.enumCase(Value, "ClrCall", CallingConvention::ClrCall);
 122     IO.enumCase(Value, "Inline", CallingConvention::Inline);
 123     IO.enumCase(Value, "NearVector", CallingConvention::NearVector);
 124   }
 125 };
 126
 127 template <> struct ScalarEnumerationTraits<PointerKind> {
 128   static void enumeration(IO &IO, PointerKind &Kind) {
 129     IO.enumCase(Kind, "Near16", PointerKind::Near16);
 130     IO.enumCase(Kind, "Far16", PointerKind::Far16);
 131     IO.enumCase(Kind, "Huge16", PointerKind::Huge16);
 132     IO.enumCase(Kind, "BasedOnSegment", PointerKind::BasedOnSegment);
 133     IO.enumCase(Kind, "BasedOnValue", PointerKind::BasedOnValue);
 134     IO.enumCase(Kind, "BasedOnSegmentValue", PointerKind::BasedOnSegmentValue);
 135     IO.enumCase(Kind, "BasedOnAddress", PointerKind::BasedOnAddress);
 136     IO.enumCase(Kind, "BasedOnSegmentAddress",
 137                 PointerKind::BasedOnSegmentAddress);
 138     IO.enumCase(Kind, "BasedOnType", PointerKind::BasedOnType);
 139     IO.enumCase(Kind, "BasedOnSelf", PointerKind::BasedOnSelf);
 140     IO.enumCase(Kind, "Near32", PointerKind::Near32);
 141     IO.enumCase(Kind, "Far32", PointerKind::Far32);
 142     IO.enumCase(Kind, "Near64", PointerKind::Near64);
 143   }
 144 };
 145
 146 template <> struct ScalarEnumerationTraits<PointerMode> {
 147   static void enumeration(IO &IO, PointerMode &Mode) {
 148     IO.enumCase(Mode, "Pointer", PointerMode::Pointer);
 149     IO.enumCase(Mode, "LValueReference", PointerMode::LValueReference);
 150     IO.enumCase(Mode, "PointerToDataMember", PointerMode::PointerToDataMember);
 151     IO.enumCase(Mode, "PointerToMemberFunction",
 152                 PointerMode::PointerToMemberFunction);
 153     IO.enumCase(Mode, "RValueReference", PointerMode::RValueReference);
 154   }
 155 };
 156
 157 template <> struct ScalarEnumerationTraits<HfaKind> {
 158   static void enumeration(IO &IO, HfaKind &Value) {
 159     IO.enumCase(Value, "None", HfaKind::None);
 160     IO.enumCase(Value, "Float", HfaKind::Float);
 161     IO.enumCase(Value, "Double", HfaKind::Double);
 162     IO.enumCase(Value, "Other", HfaKind::Other);
 163   }
 164 };
 165
 166 template <> struct ScalarEnumerationTraits<MemberAccess> {
 167   static void enumeration(IO &IO, MemberAccess &Access) {
 168     IO.enumCase(Access, "None", MemberAccess::None);
 169     IO.enumCase(Access, "Private", MemberAccess::Private);
 170     IO.enumCase(Access, "Protected", MemberAccess::Protected);
 171     IO.enumCase(Access, "Public", MemberAccess::Public);
 172   }
 173 };
 174
 175 template <> struct ScalarEnumerationTraits<MethodKind> {
 176   static void enumeration(IO &IO, MethodKind &Kind) {
 177     IO.enumCase(Kind, "Vanilla", MethodKind::Vanilla);
 178     IO.enumCase(Kind, "Virtual", MethodKind::Virtual);
 179     IO.enumCase(Kind, "Static", MethodKind::Static);
 180     IO.enumCase(Kind, "Friend", MethodKind::Friend);
 181     IO.enumCase(Kind, "IntroducingVirtual", MethodKind::IntroducingVirtual);
 182     IO.enumCase(Kind, "PureVirtual", MethodKind::PureVirtual);
 183     IO.enumCase(Kind, "PureIntroducingVirtual",
 184                 MethodKind::PureIntroducingVirtual);
 185   }
 186 };
 187
 188 template <> struct ScalarEnumerationTraits<WindowsRTClassKind> {
 189   static void enumeration(IO &IO, WindowsRTClassKind &Value) {
 190     IO.enumCase(Value, "None", WindowsRTClassKind::None);
 191     IO.enumCase(Value, "Ref", WindowsRTClassKind::RefClass);
 192     IO.enumCase(Value, "Value", WindowsRTClassKind::ValueClass);
 193     IO.enumCase(Value, "Interface", WindowsRTClassKind::Interface);
 194   }
 195 };
 196
 197 template <> struct ScalarEnumerationTraits<LabelType> {
 198   static void enumeration(IO &IO, LabelType &Value) {
 199     IO.enumCase(Value, "Near", LabelType::Near);
 200     IO.enumCase(Value, "Far", LabelType::Far);
 201   }
 202 };
 203
 204 template <> struct ScalarBitSetTraits<PointerOptions> {
 205   static void bitset(IO &IO, PointerOptions &Options) {
 206     IO.bitSetCase(Options, "None", PointerOptions::None);
 207     IO.bitSetCase(Options, "Flat32", PointerOptions::Flat32);
 208     IO.bitSetCase(Options, "Volatile", PointerOptions::Volatile);
 209     IO.bitSetCase(Options, "Const", PointerOptions::Const);
 210     IO.bitSetCase(Options, "Unaligned", PointerOptions::Unaligned);
 211     IO.bitSetCase(Options, "Restrict", PointerOptions::Restrict);
 212     IO.bitSetCase(Options, "WinRTSmartPointer",
 213                   PointerOptions::WinRTSmartPointer);
 214   }
 215 };
 216
 217 template <> struct ScalarBitSetTraits<ModifierOptions> {
 218   static void bitset(IO &IO, ModifierOptions &Options) {
 219     IO.bitSetCase(Options, "None", ModifierOptions::None);
 220     IO.bitSetCase(Options, "Const", ModifierOptions::Const);
 221     IO.bitSetCase(Options, "Volatile", ModifierOptions::Volatile);
 222     IO.bitSetCase(Options, "Unaligned", ModifierOptions::Unaligned);
 223   }
 224 };
 225
 226 template <> struct ScalarBitSetTraits<FunctionOptions> {
 227   static void bitset(IO &IO, FunctionOptions &Options) {
 228     IO.bitSetCase(Options, "None", FunctionOptions::None);
 229     IO.bitSetCase(Options, "CxxReturnUdt", FunctionOptions::CxxReturnUdt);
 230     IO.bitSetCase(Options, "Constructor", FunctionOptions::Constructor);
 231     IO.bitSetCase(Options, "ConstructorWithVirtualBases",
 232                   FunctionOptions::ConstructorWithVirtualBases);
 233   }
 234 };
 235
 236 template <> struct ScalarBitSetTraits<ClassOptions> {
 237   static void bitset(IO &IO, ClassOptions &Options) {
 238     IO.bitSetCase(Options, "None", ClassOptions::None);
 239     IO.bitSetCase(Options, "HasConstructorOrDestructor",
 240                   ClassOptions::HasConstructorOrDestructor);
 241     IO.bitSetCase(Options, "HasOverloadedOperator",
 242                   ClassOptions::HasOverloadedOperator);
 243     IO.bitSetCase(Options, "Nested", ClassOptions::Nested);
 244     IO.bitSetCase(Options, "ContainsNestedClass",
 245                   ClassOptions::ContainsNestedClass);
 246     IO.bitSetCase(Options, "HasOverloadedAssignmentOperator",
 247                   ClassOptions::HasOverloadedAssignmentOperator);
 248     IO.bitSetCase(Options, "HasConversionOperator",
 249                   ClassOptions::HasConversionOperator);
 250     IO.bitSetCase(Options, "ForwardReference", ClassOptions::ForwardReference);
 251     IO.bitSetCase(Options, "Scoped", ClassOptions::Scoped);
 252     IO.bitSetCase(Options, "HasUniqueName", ClassOptions::HasUniqueName);
 253     IO.bitSetCase(Options, "Sealed", ClassOptions::Sealed);
 254     IO.bitSetCase(Options, "Intrinsic", ClassOptions::Intrinsic);
 255   }
 256 };
 257
 258 template <> struct ScalarBitSetTraits<MethodOptions> {
 259   static void bitset(IO &IO, MethodOptions &Options) {
 260     IO.bitSetCase(Options, "None", MethodOptions::None);
 261     IO.bitSetCase(Options, "Pseudo", MethodOptions::Pseudo);
 262     IO.bitSetCase(Options, "NoInherit", MethodOptions::NoInherit);
 263     IO.bitSetCase(Options, "NoConstruct", MethodOptions::NoConstruct);
 264     IO.bitSetCase(Options, "CompilerGenerated",
 265                   MethodOptions::CompilerGenerated);
 266     IO.bitSetCase(Options, "Sealed", MethodOptions::Sealed);
 267   }
 268 };
 269
 270 void ScalarTraits<APSInt>::output(const APSInt &S, void *,
 271                                   llvm::raw_ostream &OS) {
 272   S.print(OS, true);
 273 }
 274 StringRef ScalarTraits<APSInt>::input(StringRef Scalar, void *Ctx, APSInt &S) {
 275   S = APSInt(Scalar);
 276   return "";
 277 }
 278
 279 bool ScalarTraits<APSInt>::mustQuote(StringRef Scalar) { return false; }
 280
 281 void MappingContextTraits<CVType, pdb::yaml::SerializationContext>::mapping(
 282     IO &IO, CVType &Record, pdb::yaml::SerializationContext &Context) {
 283   if (IO.outputting())
 284     consumeError(codeview::visitTypeRecord(Record, Context.Dumper));
 285 }
 286
 287 void MappingTraits<StringIdRecord>::mapping(IO &IO, StringIdRecord &String) {
 288   IO.mapRequired("Id", String.Id);
 289   IO.mapRequired("String", String.String);
 290 }
 291
 292 void MappingTraits<ArgListRecord>::mapping(IO &IO, ArgListRecord &Args) {
 293   IO.mapRequired("ArgIndices", Args.ArgIndices);
 294 }
 295
 296 void MappingTraits<StringListRecord>::mapping(IO &IO, StringListRecord &Strings) {
 297   IO.mapRequired("StringIndices", Strings.StringIndices);
 298 }
 299
 300 void MappingTraits<ClassRecord>::mapping(IO &IO, ClassRecord &Class) {
 301   IO.mapRequired("MemberCount", Class.MemberCount);
 302   IO.mapRequired("Options", Class.Options);
 303   IO.mapRequired("FieldList", Class.FieldList);
 304   IO.mapRequired("Name", Class.Name);
 305   IO.mapRequired("UniqueName", Class.UniqueName);
 306   IO.mapRequired("DerivationList", Class.DerivationList);
 307   IO.mapRequired("VTableShape", Class.VTableShape);
 308   IO.mapRequired("Size", Class.Size);
 309 }
 310
 311 void MappingTraits<UnionRecord>::mapping(IO &IO, UnionRecord &Union) {
 312   IO.mapRequired("MemberCount", Union.MemberCount);
 313   IO.mapRequired("Options", Union.Options);
 314   IO.mapRequired("FieldList", Union.FieldList);
 315   IO.mapRequired("Name", Union.Name);
 316   IO.mapRequired("UniqueName", Union.UniqueName);
 317   IO.mapRequired("Size", Union.Size);
 318 }
 319
 320 void MappingTraits<EnumRecord>::mapping(IO &IO, EnumRecord &Enum) {
 321   IO.mapRequired("NumEnumerators", Enum.MemberCount);
 322   IO.mapRequired("Options", Enum.Options);
 323   IO.mapRequired("FieldList", Enum.FieldList);
 324   IO.mapRequired("Name", Enum.Name);
 325   IO.mapRequired("UniqueName", Enum.UniqueName);
 326   IO.mapRequired("UnderlyingType", Enum.UnderlyingType);
 327 }
 328
 329 void MappingTraits<ArrayRecord>::mapping(IO &IO, ArrayRecord &AT) {
 330   IO.mapRequired("ElementType", AT.ElementType);
 331   IO.mapRequired("IndexType", AT.IndexType);
 332   IO.mapRequired("Size", AT.Size);
 333   IO.mapRequired("Name", AT.Name);
 334 }
 335
 336 void MappingTraits<VFTableRecord>::mapping(IO &IO, VFTableRecord &VFT) {
 337   IO.mapRequired("CompleteClass", VFT.CompleteClass);
 338   IO.mapRequired("OverriddenVFTable", VFT.OverriddenVFTable);
 339   IO.mapRequired("VFPtrOffset", VFT.VFPtrOffset);
 340   IO.mapRequired("MethodNames", VFT.MethodNames);
 341 }
 342
 343 void MappingTraits<MemberFuncIdRecord>::mapping(IO &IO,
 344                                                 MemberFuncIdRecord &Id) {
 345   IO.mapRequired("ClassType", Id.ClassType);
 346   IO.mapRequired("FunctionType", Id.FunctionType);
 347   IO.mapRequired("Name", Id.Name);
 348 }
 349
 350 void MappingTraits<ProcedureRecord>::mapping(IO &IO, ProcedureRecord &Proc) {
 351   IO.mapRequired("ReturnType", Proc.ReturnType);
 352   IO.mapRequired("CallConv", Proc.CallConv);
 353   IO.mapRequired("Options", Proc.Options);
 354   IO.mapRequired("ParameterCount", Proc.ParameterCount);
 355   IO.mapRequired("ArgumentList", Proc.ArgumentList);
 356 }
 357
 358 void MappingTraits<MemberFunctionRecord>::mapping(IO &IO,
 359                                                   MemberFunctionRecord &MF) {
 360   IO.mapRequired("ReturnType", MF.ReturnType);
 361   IO.mapRequired("ClassType", MF.ClassType);
 362   IO.mapRequired("ThisType", MF.ThisType);
 363   IO.mapRequired("CallConv", MF.CallConv);
 364   IO.mapRequired("Options", MF.Options);
 365   IO.mapRequired("ParameterCount", MF.ParameterCount);
 366   IO.mapRequired("ArgumentList", MF.ArgumentList);
 367   IO.mapRequired("ThisPointerAdjustment", MF.ThisPointerAdjustment);
 368 }
 369
 370 void MappingTraits<MethodOverloadListRecord>::mapping(
 371     IO &IO, MethodOverloadListRecord &MethodList) {
 372   IO.mapRequired("Methods", MethodList.Methods);
 373 }
 374
 375 void MappingTraits<FuncIdRecord>::mapping(IO &IO, FuncIdRecord &Func) {
 376   IO.mapRequired("ParentScope", Func.ParentScope);
 377   IO.mapRequired("FunctionType", Func.FunctionType);
 378   IO.mapRequired("Name", Func.Name);
 379 }
 380
 381 void MappingTraits<TypeServer2Record>::mapping(IO &IO, TypeServer2Record &TS) {
 382   IO.mapRequired("Guid", TS.Guid);
 383   IO.mapRequired("Age", TS.Age);
 384   IO.mapRequired("Name", TS.Name);
 385 }
 386
 387 void MappingTraits<PointerRecord>::mapping(IO &IO, PointerRecord &Ptr) {
 388   IO.mapRequired("ReferentType", Ptr.ReferentType);
 389   IO.mapRequired("Attrs", Ptr.Attrs);
 390   IO.mapOptional("MemberInfo", Ptr.MemberInfo);
 391 }
 392
 393 void MappingTraits<MemberPointerInfo>::mapping(IO &IO, MemberPointerInfo &MPI) {
 394   IO.mapRequired("ContainingType", MPI.ContainingType);
 395   IO.mapRequired("Representation", MPI.Representation);
 396 }
 397
 398 void MappingTraits<ModifierRecord>::mapping(IO &IO, ModifierRecord &Mod) {
 399   IO.mapRequired("ModifiedType", Mod.ModifiedType);
 400   IO.mapRequired("Modifiers", Mod.Modifiers);
 401 }
 402
 403 void MappingTraits<BitFieldRecord>::mapping(IO &IO, BitFieldRecord &BitField) {
 404   IO.mapRequired("Type", BitField.Type);
 405   IO.mapRequired("BitSize", BitField.BitSize);
 406   IO.mapRequired("BitOffset", BitField.BitOffset);
 407 }
 408
 409 void MappingTraits<VFTableShapeRecord>::mapping(IO &IO,
 410                                                 VFTableShapeRecord &Shape) {
 411   IO.mapRequired("Slots", Shape.Slots);
 412 }
 413
 414 void MappingTraits<UdtSourceLineRecord>::mapping(IO &IO,
 415                                                  UdtSourceLineRecord &Line) {
 416   IO.mapRequired("UDT", Line.UDT);
 417   IO.mapRequired("SourceFile", Line.SourceFile);
 418   IO.mapRequired("LineNumber", Line.LineNumber);
 419 }
 420
 421 void MappingTraits<UdtModSourceLineRecord>::mapping(
 422     IO &IO, UdtModSourceLineRecord &Line) {
 423   IO.mapRequired("UDT", Line.UDT);
 424   IO.mapRequired("SourceFile", Line.SourceFile);
 425   IO.mapRequired("LineNumber", Line.LineNumber);
 426   IO.mapRequired("Module", Line.Module);
 427 }
 428
 429 void MappingTraits<BuildInfoRecord>::mapping(IO &IO, BuildInfoRecord &Args) {
 430   IO.mapRequired("ArgIndices", Args.ArgIndices);
 431 }
 432
 433 void MappingTraits<LabelRecord>::mapping(IO &IO, LabelRecord &R) {
 434   IO.mapRequired("Mode", R.Mode);
 435 }
 436
 437 void MappingTraits<NestedTypeRecord>::mapping(IO &IO,
 438                                               NestedTypeRecord &Nested) {
 439   IO.mapRequired("Type", Nested.Type);
 440   IO.mapRequired("Name", Nested.Name);
 441 }
 442
 443 void MappingTraits<OneMethodRecord>::mapping(IO &IO, OneMethodRecord &Method) {
 444   IO.mapRequired("Type", Method.Type);
 445   IO.mapRequired("Attrs", Method.Attrs.Attrs);
 446   IO.mapRequired("VFTableOffset", Method.VFTableOffset);
 447   IO.mapRequired("Name", Method.Name);
 448 }
 449
 450 void MappingTraits<OverloadedMethodRecord>::mapping(
 451     IO &IO, OverloadedMethodRecord &Method) {
 452   IO.mapRequired("NumOverloads", Method.NumOverloads);
 453   IO.mapRequired("MethodList", Method.MethodList);
 454   IO.mapRequired("Name", Method.Name);
 455 }
 456
 457 void MappingTraits<DataMemberRecord>::mapping(IO &IO, DataMemberRecord &Field) {
 458   IO.mapRequired("Attrs", Field.Attrs.Attrs);
 459   IO.mapRequired("Type", Field.Type);
 460   IO.mapRequired("FieldOffset", Field.FieldOffset);
 461   IO.mapRequired("Name", Field.Name);
 462 }
 463
 464 void MappingTraits<StaticDataMemberRecord>::mapping(
 465     IO &IO, StaticDataMemberRecord &Field) {
 466   IO.mapRequired("Attrs", Field.Attrs.Attrs);
 467   IO.mapRequired("Type", Field.Type);
 468   IO.mapRequired("Name", Field.Name);
 469 }
 470
 471 void MappingTraits<VFPtrRecord>::mapping(IO &IO, VFPtrRecord &VFTable) {
 472   IO.mapRequired("Type", VFTable.Type);
 473 }
 474
 475 void MappingTraits<EnumeratorRecord>::mapping(IO &IO, EnumeratorRecord &Enum) {
 476   IO.mapRequired("Attrs", Enum.Attrs.Attrs);
 477   IO.mapRequired("Value", Enum.Value);
 478   IO.mapRequired("Name", Enum.Name);
 479 }
 480
 481 void MappingTraits<BaseClassRecord>::mapping(IO &IO, BaseClassRecord &Base) {
 482   IO.mapRequired("Attrs", Base.Attrs.Attrs);
 483   IO.mapRequired("Type", Base.Type);
 484   IO.mapRequired("Offset", Base.Offset);
 485 }
 486
 487 void MappingTraits<VirtualBaseClassRecord>::mapping(
 488     IO &IO, VirtualBaseClassRecord &Base) {
 489   IO.mapRequired("Attrs", Base.Attrs.Attrs);
 490   IO.mapRequired("BaseType", Base.BaseType);
 491   IO.mapRequired("VBPtrType", Base.VBPtrType);
 492   IO.mapRequired("VBPtrOffset", Base.VBPtrOffset);
 493   IO.mapRequired("VTableIndex", Base.VTableIndex);
 494 }
 495
 496 void MappingTraits<ListContinuationRecord>::mapping(
 497     IO &IO, ListContinuationRecord &Cont) {
 498   IO.mapRequired("ContinuationIndex", Cont.ContinuationIndex);
 499 }
 500
 501 void ScalarTraits<codeview::TypeIndex>::output(const codeview::TypeIndex &S,
 502                                                void *, llvm::raw_ostream &OS) {
 503   OS << S.getIndex();
 504 }
 505 StringRef ScalarTraits<codeview::TypeIndex>::input(StringRef Scalar, void *Ctx,
 506                                                    codeview::TypeIndex &S) {
 507   uint32_t I;
 508   StringRef Result = ScalarTraits<uint32_t>::input(Scalar, Ctx, I);
 509   if (!Result.empty())
 510     return Result;
 511   S = TypeIndex(I);
 512   return "";
 513 }
 514 bool ScalarTraits<codeview::TypeIndex>::mustQuote(StringRef Scalar) {
 515   return false;
 516 }
 517
 518 void ScalarEnumerationTraits<TypeLeafKind>::enumeration(IO &io,
 519                                                         TypeLeafKind &Value) {
 520   auto TypeLeafNames = getTypeLeafNames();
 521   for (const auto &E : TypeLeafNames)
 522     io.enumCase(Value, E.Name.str().c_str(), E.Value);
 523 }
 524 }
 525 }
 526
 527 Error llvm::codeview::yaml::YamlTypeDumperCallbacks::visitTypeBegin(
 528     CVType &CVR) {
 529   YamlIO.mapRequired("Kind", CVR.Type);
 530   return Error::success();
 531 }
 532
 533 Error llvm::codeview::yaml::YamlTypeDumperCallbacks::visitMemberBegin(
 534     CVMemberRecord &Record) {
 535   YamlIO.mapRequired("Kind", Record.Kind);
 536   return Error::success();
 537 }
 538
 539 void llvm::codeview::yaml::YamlTypeDumperCallbacks::visitKnownRecordImpl(
 540     const char *Name, CVType &CVR, FieldListRecord &FieldList) {
 541   std::vector<llvm::pdb::yaml::PdbTpiFieldListRecord> FieldListRecords;
 542   if (YamlIO.outputting()) {
 543     // If we are outputting, then `FieldList.Data` contains a huge chunk of data
 544     // representing the serialized list of members.  We need to split it up into
 545     // individual CVType records where each record represents an individual
 546     // member.  This way, we can simply map the entire thing as a Yaml sequence,
 547     // which will recurse back to the standard handler for top-level fields
 548     // (top-level and member fields all have the exact same Yaml syntax so use
 549     // the same parser).
 550     FieldListRecordSplitter Splitter(FieldListRecords);
 551     consumeError(codeview::visitMemberRecordStream(FieldList.Data, Splitter));
 552   }
 553   // Note that if we're not outputting (i.e. Yaml -> PDB) the result of this
 554   // mapping gets lost, as the records are simply stored in this locally scoped
 555   // vector.  What's important though is they are all sharing a single
 556   // Serializer
 557   // instance (in `Context.ActiveSerializer`), and that is building up a list of
 558   // all the types.  The fact that we need a throwaway vector here is just to
 559   // appease the YAML API to treat this as a sequence and do this mapping once
 560   // for each YAML Sequence element in the input Yaml stream.
 561   YamlIO.mapRequired("FieldList", FieldListRecords, Context);
 562 }
 563
 564 namespace llvm {
 565 namespace yaml {
 566 template <>
 567 struct MappingContextTraits<pdb::yaml::PdbTpiFieldListRecord,
 568                             pdb::yaml::SerializationContext> {
 569   static void mapping(IO &IO, pdb::yaml::PdbTpiFieldListRecord &Obj,
 570                       pdb::yaml::SerializationContext &Context) {
 571     if (IO.outputting())
 572       consumeError(codeview::visitMemberRecord(Obj.Record, Context.Dumper));
 573     else {
 574       // If we are not outputting, then the array contains no data starting out,
 575       // and is instead populated from the sequence represented by the yaml --
 576       // again, using the same logic that we use for top-level records.
 577       assert(Context.ActiveSerializer && "There is no active serializer!");
 578       codeview::TypeVisitorCallbackPipeline Pipeline;
 579       pdb::TpiHashUpdater Hasher;
 580
 581       Pipeline.addCallbackToPipeline(Context.Dumper);
 582       Pipeline.addCallbackToPipeline(*Context.ActiveSerializer);
 583       Pipeline.addCallbackToPipeline(Hasher);
 584       consumeError(
 585           codeview::visitMemberRecord(Obj.Record, Pipeline, VDS_BytesExternal));
 586     }
 587   }
 588 };
 589 }
 590 }