InfoStream.h

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//===- InfoStream.h - PDB Info Stream (Stream 1) Access ---------*- 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
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_DEBUGINFO_PDB_NATIVE_INFOSTREAM_H
#define LLVM_DEBUGINFO_PDB_NATIVE_INFOSTREAM_H
 
#include "llvm/ADT/StringMap.h"
#include "llvm/DebugInfo/CodeView/GUID.h"
#include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/Support/BinaryStream.h"
#include "llvm/Support/BinaryStreamRef.h"
 
#include "llvm/Support/Error.h"
 
namespace llvm {
namespace pdb {
struct InfoStreamHeader;
class InfoStream {
  friend class InfoStreamBuilder;
 
public:
  InfoStream(std::unique_ptr<BinaryStream> Stream);
 
  Error reload();
 
  uint32_t getStreamSize() const;
 
  const InfoStreamHeader *getHeader() const { return Header; }
 
  bool containsIdStream() const;
  PdbRaw_ImplVer getVersion() const;
  uint32_t getSignature() const;
  uint32_t getAge() const;
  codeview::GUID getGuid() const;
  uint32_t getNamedStreamMapByteSize() const;
 
  PdbRaw_Features getFeatures() const;
  ArrayRef<PdbRaw_FeatureSig> getFeatureSignatures() const;
 
  const NamedStreamMap &getNamedStreams() const;
 
  BinarySubstreamRef getNamedStreamsBuffer() const;
 
  Expected<uint32_t> getNamedStreamIndex(llvm::StringRef Name) const;
  StringMap<uint32_t> named_streams() const;
 
private:
  std::unique_ptr<BinaryStream> Stream;
 
  const InfoStreamHeader *Header;
 
  BinarySubstreamRef SubNamedStreams;
 
  std::vector<PdbRaw_FeatureSig> FeatureSignatures;
  PdbRaw_Features Features = PdbFeatureNone;
 
  uint32_t NamedStreamMapByteSize = 0;
 
  NamedStreamMap NamedStreams;
};
}
}
 
#endif