1 files changed, 214 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp
new file mode 100644
index 0000000000000..34c8ac41d45b4
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp
@@ -0,0 +1,214 @@
+//===- PDBSymbol.cpp - base class for user-facing symbol types --*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/PDBSymbol.h"
+#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
+#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
+#include "llvm/DebugInfo/PDB/IPDBSession.h"
+#include "llvm/DebugInfo/PDB/PDBExtras.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolAnnotation.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolBlock.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolCustom.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolData.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolLabel.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeCustom.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeDimension.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeFriend.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeManaged.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolUnknown.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
+#include <algorithm>
+#include <memory>
+
+using namespace llvm;
+using namespace llvm::pdb;
+
+PDBSymbol::PDBSymbol(const IPDBSession &PDBSession) : Session(PDBSession) {}
+
+PDBSymbol::PDBSymbol(PDBSymbol &&Other)
+    : Session(Other.Session), RawSymbol(std::move(Other.RawSymbol)) {}
+
+PDBSymbol::~PDBSymbol() = default;
+
+#define FACTORY_SYMTAG_CASE(Tag, Type)                                         \
+  case PDB_SymType::Tag:                                                       \
+    return std::unique_ptr<PDBSymbol>(new Type(PDBSession));
+
+std::unique_ptr<PDBSymbol>
+PDBSymbol::createSymbol(const IPDBSession &PDBSession, PDB_SymType Tag) {
+  switch (Tag) {
+    FACTORY_SYMTAG_CASE(Exe, PDBSymbolExe)
+    FACTORY_SYMTAG_CASE(Compiland, PDBSymbolCompiland)
+    FACTORY_SYMTAG_CASE(CompilandDetails, PDBSymbolCompilandDetails)
+    FACTORY_SYMTAG_CASE(CompilandEnv, PDBSymbolCompilandEnv)
+    FACTORY_SYMTAG_CASE(Function, PDBSymbolFunc)
+    FACTORY_SYMTAG_CASE(Block, PDBSymbolBlock)
+    FACTORY_SYMTAG_CASE(Data, PDBSymbolData)
+    FACTORY_SYMTAG_CASE(Annotation, PDBSymbolAnnotation)
+    FACTORY_SYMTAG_CASE(Label, PDBSymbolLabel)
+    FACTORY_SYMTAG_CASE(PublicSymbol, PDBSymbolPublicSymbol)
+    FACTORY_SYMTAG_CASE(UDT, PDBSymbolTypeUDT)
+    FACTORY_SYMTAG_CASE(Enum, PDBSymbolTypeEnum)
+    FACTORY_SYMTAG_CASE(FunctionSig, PDBSymbolTypeFunctionSig)
+    FACTORY_SYMTAG_CASE(PointerType, PDBSymbolTypePointer)
+    FACTORY_SYMTAG_CASE(ArrayType, PDBSymbolTypeArray)
+    FACTORY_SYMTAG_CASE(BuiltinType, PDBSymbolTypeBuiltin)
+    FACTORY_SYMTAG_CASE(Typedef, PDBSymbolTypeTypedef)
+    FACTORY_SYMTAG_CASE(BaseClass, PDBSymbolTypeBaseClass)
+    FACTORY_SYMTAG_CASE(Friend, PDBSymbolTypeFriend)
+    FACTORY_SYMTAG_CASE(FunctionArg, PDBSymbolTypeFunctionArg)
+    FACTORY_SYMTAG_CASE(FuncDebugStart, PDBSymbolFuncDebugStart)
+    FACTORY_SYMTAG_CASE(FuncDebugEnd, PDBSymbolFuncDebugEnd)
+    FACTORY_SYMTAG_CASE(UsingNamespace, PDBSymbolUsingNamespace)
+    FACTORY_SYMTAG_CASE(VTableShape, PDBSymbolTypeVTableShape)
+    FACTORY_SYMTAG_CASE(VTable, PDBSymbolTypeVTable)
+    FACTORY_SYMTAG_CASE(Custom, PDBSymbolCustom)
+    FACTORY_SYMTAG_CASE(Thunk, PDBSymbolThunk)
+    FACTORY_SYMTAG_CASE(CustomType, PDBSymbolTypeCustom)
+    FACTORY_SYMTAG_CASE(ManagedType, PDBSymbolTypeManaged)
+    FACTORY_SYMTAG_CASE(Dimension, PDBSymbolTypeDimension)
+  default:
+    return std::unique_ptr<PDBSymbol>(new PDBSymbolUnknown(PDBSession));
+  }
+}
+
+std::unique_ptr<PDBSymbol>
+PDBSymbol::create(const IPDBSession &PDBSession,
+                  std::unique_ptr<IPDBRawSymbol> RawSymbol) {
+  auto SymbolPtr = createSymbol(PDBSession, RawSymbol->getSymTag());
+  SymbolPtr->RawSymbol = RawSymbol.get();
+  SymbolPtr->OwnedRawSymbol = std::move(RawSymbol);
+  return SymbolPtr;
+}
+
+std::unique_ptr<PDBSymbol> PDBSymbol::create(const IPDBSession &PDBSession,
+                                             IPDBRawSymbol &RawSymbol) {
+  auto SymbolPtr = createSymbol(PDBSession, RawSymbol.getSymTag());
+  SymbolPtr->RawSymbol = &RawSymbol;
+  return SymbolPtr;
+}
+
+void PDBSymbol::defaultDump(raw_ostream &OS, int Indent,
+                            PdbSymbolIdField ShowFlags,
+                            PdbSymbolIdField RecurseFlags) const {
+  RawSymbol->dump(OS, Indent, ShowFlags, RecurseFlags);
+}
+
+void PDBSymbol::dumpProperties() const {
+  outs() << "\n";
+  defaultDump(outs(), 0, PdbSymbolIdField::All, PdbSymbolIdField::None);
+  outs().flush();
+}
+
+void PDBSymbol::dumpChildStats() const {
+  TagStats Stats;
+  getChildStats(Stats);
+  outs() << "\n";
+  for (auto &Stat : Stats) {
+    outs() << Stat.first << ": " << Stat.second << "\n";
+  }
+  outs().flush();
+}
+
+PDB_SymType PDBSymbol::getSymTag() const { return RawSymbol->getSymTag(); }
+uint32_t PDBSymbol::getSymIndexId() const { return RawSymbol->getSymIndexId(); }
+
+std::unique_ptr<IPDBEnumSymbols> PDBSymbol::findAllChildren() const {
+  return findAllChildren(PDB_SymType::None);
+}
+
+std::unique_ptr<IPDBEnumSymbols>
+PDBSymbol::findAllChildren(PDB_SymType Type) const {
+  return RawSymbol->findChildren(Type);
+}
+
+std::unique_ptr<IPDBEnumSymbols>
+PDBSymbol::findChildren(PDB_SymType Type, StringRef Name,
+                        PDB_NameSearchFlags Flags) const {
+  return RawSymbol->findChildren(Type, Name, Flags);
+}
+
+std::unique_ptr<IPDBEnumSymbols>
+PDBSymbol::findChildrenByRVA(PDB_SymType Type, StringRef Name,
+                             PDB_NameSearchFlags Flags, uint32_t RVA) const {
+  return RawSymbol->findChildrenByRVA(Type, Name, Flags, RVA);
+}
+
+std::unique_ptr<IPDBEnumSymbols>
+PDBSymbol::findInlineFramesByRVA(uint32_t RVA) const {
+  return RawSymbol->findInlineFramesByRVA(RVA);
+}
+
+std::unique_ptr<IPDBEnumSymbols>
+PDBSymbol::getChildStats(TagStats &Stats) const {
+  std::unique_ptr<IPDBEnumSymbols> Result(findAllChildren());
+  if (!Result)
+    return nullptr;
+  Stats.clear();
+  while (auto Child = Result->getNext()) {
+    ++Stats[Child->getSymTag()];
+  }
+  Result->reset();
+  return Result;
+}
+
+std::unique_ptr<PDBSymbol> PDBSymbol::getSymbolByIdHelper(uint32_t Id) const {
+  return Session.getSymbolById(Id);
+}
+
+void llvm::pdb::dumpSymbolIdField(raw_ostream &OS, StringRef Name,
+                                  SymIndexId Value, int Indent,
+                                  const IPDBSession &Session,
+                                  PdbSymbolIdField FieldId,
+                                  PdbSymbolIdField ShowFlags,
+                                  PdbSymbolIdField RecurseFlags) {
+  if ((FieldId & ShowFlags) == PdbSymbolIdField::None)
+    return;
+
+  OS << "\n";
+  OS.indent(Indent);
+  OS << Name << ": " << Value;
+  // Don't recurse unless the user requested it.
+  if ((FieldId & RecurseFlags) == PdbSymbolIdField::None)
+    return;
+  // And obviously don't recurse on the symbol itself.
+  if (FieldId == PdbSymbolIdField::SymIndexId)
+    return;
+
+  auto Child = Session.getSymbolById(Value);
+
+  // It could have been a placeholder symbol for a type we don't yet support,
+  // so just exit in that case.
+  if (!Child)
+    return;
+
+  // Don't recurse more than once, so pass PdbSymbolIdField::None) for the
+  // recurse flags.
+  Child->defaultDump(OS, Indent + 2, ShowFlags, PdbSymbolIdField::None);
+}