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  1. //===- IMSFFile.h - Abstract base class for an MSF file ---------*- 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_MSF_IMSFFILE_H
  10. #define LLVM_DEBUGINFO_MSF_IMSFFILE_H
  11.  
  12. #include "llvm/ADT/ArrayRef.h"
  13. #include "llvm/Support/Endian.h"
  14. #include "llvm/Support/Error.h"
  15. #include <cstdint>
  16.  
  17. namespace llvm {
  18. namespace msf {
  19.  
  20. class IMSFFile {
  21. public:
  22.   virtual ~IMSFFile() = default;
  23.  
  24.   virtual uint32_t getBlockSize() const = 0;
  25.   virtual uint32_t getBlockCount() const = 0;
  26.  
  27.   virtual uint32_t getNumStreams() const = 0;
  28.   virtual uint32_t getStreamByteSize(uint32_t StreamIndex) const = 0;
  29.   virtual ArrayRef<support::ulittle32_t>
  30.   getStreamBlockList(uint32_t StreamIndex) const = 0;
  31.  
  32.   virtual Expected<ArrayRef<uint8_t>> getBlockData(uint32_t BlockIndex,
  33.                                                    uint32_t NumBytes) const = 0;
  34.   virtual Error setBlockData(uint32_t BlockIndex, uint32_t Offset,
  35.                              ArrayRef<uint8_t> Data) const = 0;
  36. };
  37.  
  38. } // end namespace msf
  39. } // end namespace llvm
  40.  
  41. #endif // LLVM_DEBUGINFO_MSF_IMSFFILE_H
  42.