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//===- InfoStream.cpp - PDB Info Stream (Stream 1) Access -------*- C++ -*-===//
//
// 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/Raw/InfoStream.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/DebugInfo/MSF/StreamReader.h"
#include "llvm/DebugInfo/MSF/StreamWriter.h"
#include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
#include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
#include "llvm/DebugInfo/PDB/Raw/RawError.h"
#include "llvm/DebugInfo/PDB/Raw/RawTypes.h"
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::msf;
using namespace llvm::pdb;
InfoStream::InfoStream(std::unique_ptr<MappedBlockStream> Stream)
: Stream(std::move(Stream)) {}
Error InfoStream::reload() {
StreamReader Reader(*Stream);
const InfoStreamHeader *H;
if (auto EC = Reader.readObject(H))
return joinErrors(
std::move(EC),
make_error<RawError>(raw_error_code::corrupt_file,
"PDB Stream does not contain a header."));
switch (H->Version) {
case PdbImplVC70:
case PdbImplVC80:
case PdbImplVC110:
case PdbImplVC140:
break;
default:
return make_error<RawError>(raw_error_code::corrupt_file,
"Unsupported PDB stream version.");
}
Version = H->Version;
Signature = H->Signature;
Age = H->Age;
Guid = H->Guid;
return NamedStreams.load(Reader);
}
uint32_t InfoStream::getNamedStreamIndex(llvm::StringRef Name) const {
uint32_t Result;
if (!NamedStreams.tryGetValue(Name, Result))
return 0;
return Result;
}
iterator_range<StringMapConstIterator<uint32_t>>
InfoStream::named_streams() const {
return NamedStreams.entries();
}
PdbRaw_ImplVer InfoStream::getVersion() const {
return static_cast<PdbRaw_ImplVer>(Version);
}
uint32_t InfoStream::getSignature() const { return Signature; }
uint32_t InfoStream::getAge() const { return Age; }
PDB_UniqueId InfoStream::getGuid() const { return Guid; }
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