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https://github.com/RPCS3/llvm-mirror.git
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32a1100bc5
1. Added some asserts to make sure concrete symbol types don't get constructed with RawSymbols that have an incompatible SymTag enum value. 2. Added new forwarding macros that auto-define an Id/Sym method pair whenever there is a method that returns a SymIndexId. Previously we would just provide one method that returned only the SymIndexId and it was up to the caller to use the Session object to get a pointer to the symbol. Now we automatically get both the method that returns the Id, as well as a method that returns the pointer directly with just one macro. 3. Added some methods for dumping straight to stdout that can be used from inside the debugger for diagnostics during a debug session. 4. Added a clone() method and a cast<T>() method to PDBSymbol that can shorten some usage patterns. llvm-svn: 299831
176 lines
6.7 KiB
C++
176 lines
6.7 KiB
C++
//===- PDBSymbol.cpp - base class for user-facing symbol types --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/PDB/PDBSymbol.h"
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#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
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#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
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#include "llvm/DebugInfo/PDB/IPDBSession.h"
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#include "llvm/DebugInfo/PDB/PDBExtras.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolAnnotation.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolBlock.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCustom.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolData.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolLabel.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeCustom.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeDimension.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeFriend.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeManaged.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolUnknown.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h"
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#include "llvm/DebugInfo/PDB/PDBTypes.h"
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#include <algorithm>
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#include <memory>
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using namespace llvm;
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using namespace llvm::pdb;
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PDBSymbol::PDBSymbol(const IPDBSession &PDBSession,
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std::unique_ptr<IPDBRawSymbol> Symbol)
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: Session(PDBSession), RawSymbol(std::move(Symbol)) {}
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PDBSymbol::~PDBSymbol() = default;
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#define FACTORY_SYMTAG_CASE(Tag, Type) \
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case PDB_SymType::Tag: \
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return std::unique_ptr<PDBSymbol>(new Type(PDBSession, std::move(Symbol)));
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std::unique_ptr<PDBSymbol>
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PDBSymbol::create(const IPDBSession &PDBSession,
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std::unique_ptr<IPDBRawSymbol> Symbol) {
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switch (Symbol->getSymTag()) {
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FACTORY_SYMTAG_CASE(Exe, PDBSymbolExe)
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FACTORY_SYMTAG_CASE(Compiland, PDBSymbolCompiland)
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FACTORY_SYMTAG_CASE(CompilandDetails, PDBSymbolCompilandDetails)
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FACTORY_SYMTAG_CASE(CompilandEnv, PDBSymbolCompilandEnv)
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FACTORY_SYMTAG_CASE(Function, PDBSymbolFunc)
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FACTORY_SYMTAG_CASE(Block, PDBSymbolBlock)
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FACTORY_SYMTAG_CASE(Data, PDBSymbolData)
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FACTORY_SYMTAG_CASE(Annotation, PDBSymbolAnnotation)
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FACTORY_SYMTAG_CASE(Label, PDBSymbolLabel)
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FACTORY_SYMTAG_CASE(PublicSymbol, PDBSymbolPublicSymbol)
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FACTORY_SYMTAG_CASE(UDT, PDBSymbolTypeUDT)
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FACTORY_SYMTAG_CASE(Enum, PDBSymbolTypeEnum)
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FACTORY_SYMTAG_CASE(FunctionSig, PDBSymbolTypeFunctionSig)
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FACTORY_SYMTAG_CASE(PointerType, PDBSymbolTypePointer)
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FACTORY_SYMTAG_CASE(ArrayType, PDBSymbolTypeArray)
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FACTORY_SYMTAG_CASE(BuiltinType, PDBSymbolTypeBuiltin)
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FACTORY_SYMTAG_CASE(Typedef, PDBSymbolTypeTypedef)
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FACTORY_SYMTAG_CASE(BaseClass, PDBSymbolTypeBaseClass)
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FACTORY_SYMTAG_CASE(Friend, PDBSymbolTypeFriend)
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FACTORY_SYMTAG_CASE(FunctionArg, PDBSymbolTypeFunctionArg)
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FACTORY_SYMTAG_CASE(FuncDebugStart, PDBSymbolFuncDebugStart)
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FACTORY_SYMTAG_CASE(FuncDebugEnd, PDBSymbolFuncDebugEnd)
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FACTORY_SYMTAG_CASE(UsingNamespace, PDBSymbolUsingNamespace)
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FACTORY_SYMTAG_CASE(VTableShape, PDBSymbolTypeVTableShape)
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FACTORY_SYMTAG_CASE(VTable, PDBSymbolTypeVTable)
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FACTORY_SYMTAG_CASE(Custom, PDBSymbolCustom)
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FACTORY_SYMTAG_CASE(Thunk, PDBSymbolThunk)
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FACTORY_SYMTAG_CASE(CustomType, PDBSymbolTypeCustom)
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FACTORY_SYMTAG_CASE(ManagedType, PDBSymbolTypeManaged)
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FACTORY_SYMTAG_CASE(Dimension, PDBSymbolTypeDimension)
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default:
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return std::unique_ptr<PDBSymbol>(
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new PDBSymbolUnknown(PDBSession, std::move(Symbol)));
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}
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}
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#define TRY_DUMP_TYPE(Type) \
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if (const Type *DerivedThis = this->cast<Type>()) \
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Dumper.dump(OS, Indent, *DerivedThis);
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#define ELSE_TRY_DUMP_TYPE(Type, Dumper) else TRY_DUMP_TYPE(Type, Dumper)
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void PDBSymbol::defaultDump(raw_ostream &OS, int Indent) const {
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RawSymbol->dump(OS, Indent);
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}
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void PDBSymbol::dumpProperties() const {
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outs() << "\n";
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defaultDump(outs(), 0);
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outs().flush();
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}
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void PDBSymbol::dumpChildStats() const {
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TagStats Stats;
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getChildStats(Stats);
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outs() << "\n";
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for (auto &Stat : Stats) {
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outs() << Stat.first << ": " << Stat.second << "\n";
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}
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outs().flush();
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}
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std::unique_ptr<PDBSymbol> PDBSymbol::clone() const {
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return Session.getSymbolById(getSymIndexId());
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}
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PDB_SymType PDBSymbol::getSymTag() const { return RawSymbol->getSymTag(); }
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uint32_t PDBSymbol::getSymIndexId() const { return RawSymbol->getSymIndexId(); }
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std::unique_ptr<IPDBEnumSymbols> PDBSymbol::findAllChildren() const {
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return findAllChildren(PDB_SymType::None);
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}
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std::unique_ptr<IPDBEnumSymbols>
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PDBSymbol::findAllChildren(PDB_SymType Type) const {
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return RawSymbol->findChildren(Type);
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}
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std::unique_ptr<IPDBEnumSymbols>
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PDBSymbol::findChildren(PDB_SymType Type, StringRef Name,
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PDB_NameSearchFlags Flags) const {
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return RawSymbol->findChildren(Type, Name, Flags);
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}
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std::unique_ptr<IPDBEnumSymbols>
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PDBSymbol::findChildrenByRVA(PDB_SymType Type, StringRef Name,
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PDB_NameSearchFlags Flags, uint32_t RVA) const {
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return RawSymbol->findChildrenByRVA(Type, Name, Flags, RVA);
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}
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std::unique_ptr<IPDBEnumSymbols>
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PDBSymbol::findInlineFramesByRVA(uint32_t RVA) const {
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return RawSymbol->findInlineFramesByRVA(RVA);
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}
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std::unique_ptr<IPDBEnumSymbols>
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PDBSymbol::getChildStats(TagStats &Stats) const {
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std::unique_ptr<IPDBEnumSymbols> Result(findAllChildren());
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Stats.clear();
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while (auto Child = Result->getNext()) {
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++Stats[Child->getSymTag()];
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}
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Result->reset();
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return Result;
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}
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std::unique_ptr<PDBSymbol> PDBSymbol::getSymbolByIdHelper(uint32_t Id) const {
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return Session.getSymbolById(Id);
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}
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