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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