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  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_NATIVE_INFOSTREAM_H
  10. #define LLVM_DEBUGINFO_PDB_NATIVE_INFOSTREAM_H
  11.  
  12. #include "llvm/ADT/StringMap.h"
  13. #include "llvm/DebugInfo/CodeView/GUID.h"
  14. #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
  15. #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
  16. #include "llvm/Support/BinaryStream.h"
  17. #include "llvm/Support/BinaryStreamRef.h"
  18.  
  19. #include "llvm/Support/Error.h"
  20.  
  21. namespace llvm {
  22. namespace pdb {
  23. struct InfoStreamHeader;
  24. class InfoStream {
  25.   friend class InfoStreamBuilder;
  26.  
  27. public:
  28.   InfoStream(std::unique_ptr<BinaryStream> Stream);
  29.  
  30.   Error reload();
  31.  
  32.   uint32_t getStreamSize() const;
  33.  
  34.   const InfoStreamHeader *getHeader() const { return Header; }
  35.  
  36.   bool containsIdStream() const;
  37.   PdbRaw_ImplVer getVersion() const;
  38.   uint32_t getSignature() const;
  39.   uint32_t getAge() const;
  40.   codeview::GUID getGuid() const;
  41.   uint32_t getNamedStreamMapByteSize() const;
  42.  
  43.   PdbRaw_Features getFeatures() const;
  44.   ArrayRef<PdbRaw_FeatureSig> getFeatureSignatures() const;
  45.  
  46.   const NamedStreamMap &getNamedStreams() const;
  47.  
  48.   BinarySubstreamRef getNamedStreamsBuffer() const;
  49.  
  50.   Expected<uint32_t> getNamedStreamIndex(llvm::StringRef Name) const;
  51.   StringMap<uint32_t> named_streams() const;
  52.  
  53. private:
  54.   std::unique_ptr<BinaryStream> Stream;
  55.  
  56.   const InfoStreamHeader *Header;
  57.  
  58.   BinarySubstreamRef SubNamedStreams;
  59.  
  60.   std::vector<PdbRaw_FeatureSig> FeatureSignatures;
  61.   PdbRaw_Features Features = PdbFeatureNone;
  62.  
  63.   uint32_t NamedStreamMapByteSize = 0;
  64.  
  65.   NamedStreamMap NamedStreams;
  66. };
  67. }
  68. }
  69.  
  70. #endif
  71.