contrib/llvm-project/llvm/include/llvm/DebugInfo/PDB/Native/InfoStream.h

   1 //===- InfoStream.h - PDB Info Stream (Stream 1) Access ---------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H
  10 #define LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H
  11
  12 #include "llvm/ADT/BitmaskEnum.h"
  13 #include "llvm/ADT/StringMap.h"
  14 #include "llvm/DebugInfo/CodeView/GUID.h"
  15 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
  16 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
  17 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
  18 #include "llvm/DebugInfo/PDB/PDBTypes.h"
  19
  20 #include "llvm/Support/Endian.h"
  21 #include "llvm/Support/Error.h"
  22
  23 namespace llvm {
  24 namespace pdb {
  25 class InfoStreamBuilder;
  26 class PDBFile;
  27
  28 class InfoStream {
  29   friend class InfoStreamBuilder;
  30
  31 public:
  32   InfoStream(std::unique_ptr<BinaryStream> Stream);
  33
  34   Error reload();
  35
  36   uint32_t getStreamSize() const;
  37
  38   const InfoStreamHeader *getHeader() const { return Header; }
  39
  40   bool containsIdStream() const;
  41   PdbRaw_ImplVer getVersion() const;
  42   uint32_t getSignature() const;
  43   uint32_t getAge() const;
  44   codeview::GUID getGuid() const;
  45   uint32_t getNamedStreamMapByteSize() const;
  46
  47   PdbRaw_Features getFeatures() const;
  48   ArrayRef<PdbRaw_FeatureSig> getFeatureSignatures() const;
  49
  50   const NamedStreamMap &getNamedStreams() const;
  51
  52   BinarySubstreamRef getNamedStreamsBuffer() const;
  53
  54   Expected<uint32_t> getNamedStreamIndex(llvm::StringRef Name) const;
  55   StringMap<uint32_t> named_streams() const;
  56
  57 private:
  58   std::unique_ptr<BinaryStream> Stream;
  59
  60   const InfoStreamHeader *Header;
  61
  62   BinarySubstreamRef SubNamedStreams;
  63
  64   std::vector<PdbRaw_FeatureSig> FeatureSignatures;
  65   PdbRaw_Features Features = PdbFeatureNone;
  66
  67   uint32_t NamedStreamMapByteSize = 0;
  68
  69   NamedStreamMap NamedStreams;
  70 };
  71 }
  72 }
  73
  74 #endif