text: //===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  #include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
  
  #include "llvm/DebugInfo/CodeView/CodeView.h"
  #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
  #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
  #include "llvm/Support/BinaryStreamReader.h"
  #include "llvm/Support/Endian.h"
  
  using namespace llvm;
  using namespace llvm::msf;
  using namespace llvm::support;
  using namespace llvm::pdb;
  
  SymbolStream::SymbolStream(std::unique_ptr<MappedBlockStream> Stream)
      : Stream(std::move(Stream)) {}
  
  SymbolStream::~SymbolStream() {}
  
  Error SymbolStream::reload() {
    BinaryStreamReader Reader(*Stream);
  
    if (auto EC = Reader.readArray(SymbolRecords, Stream->getLength()))
      return EC;
  
    return Error::success();
  }
  
  iterator_range<codeview::CVSymbolArray::Iterator>
  SymbolStream::getSymbols(bool *HadError) const {
    return llvm::make_range(SymbolRecords.begin(HadError), SymbolRecords.end());
  }
  
  Error SymbolStream::commit() { return Error::success(); }
  
  codeview::CVSymbol SymbolStream::readRecord(uint32_t Offset) const {
    return *SymbolRecords.at(Offset);
  }
  