contrib/llvm/lib/DebugInfo/PDB/Native/SymbolStream.cpp

   1 //===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===//
   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 "llvm/DebugInfo/PDB/Native/SymbolStream.h"
  11
  12 #include "llvm/DebugInfo/CodeView/CodeView.h"
  13 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
  14 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
  15 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
  16 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
  17 #include "llvm/DebugInfo/PDB/Native/RawError.h"
  18 #include "llvm/Support/BinaryStreamReader.h"
  19 #include "llvm/Support/Endian.h"
  20
  21 using namespace llvm;
  22 using namespace llvm::msf;
  23 using namespace llvm::support;
  24 using namespace llvm::pdb;
  25
  26 SymbolStream::SymbolStream(std::unique_ptr<MappedBlockStream> Stream)
  27     : Stream(std::move(Stream)) {}
  28
  29 SymbolStream::~SymbolStream() {}
  30
  31 Error SymbolStream::reload() {
  32   BinaryStreamReader Reader(*Stream);
  33
  34   if (auto EC = Reader.readArray(SymbolRecords, Stream->getLength()))
  35     return EC;
  36
  37   return Error::success();
  38 }
  39
  40 iterator_range<codeview::CVSymbolArray::Iterator>
  41 SymbolStream::getSymbols(bool *HadError) const {
  42   return llvm::make_range(SymbolRecords.begin(HadError), SymbolRecords.end());
  43 }
  44
  45 Error SymbolStream::commit() { return Error::success(); }