1 //===- IMSFFile.h - Abstract base class for an MSF file ---------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_DEBUGINFO_MSF_IMSFFILE_H
11 #define LLVM_DEBUGINFO_MSF_IMSFFILE_H
12 
13 #include "llvm/ADT/ArrayRef.h"
14 #include "llvm/Support/Endian.h"
15 #include "llvm/Support/Error.h"
16 #include <cstdint>
17 
18 namespace llvm {
19 namespace msf {
20 
21 class IMSFFile {
22 public:
23   virtual ~IMSFFile() = default;
24 
25   virtual uint32_t getBlockSize() const = 0;
26   virtual uint32_t getBlockCount() const = 0;
27 
28   virtual uint32_t getNumStreams() const = 0;
29   virtual uint32_t getStreamByteSize(uint32_t StreamIndex) const = 0;
30   virtual ArrayRef<support::ulittle32_t>
31   getStreamBlockList(uint32_t StreamIndex) const = 0;
32 
33   virtual Expected<ArrayRef<uint8_t>> getBlockData(uint32_t BlockIndex,
34                                                    uint32_t NumBytes) const = 0;
35   virtual Error setBlockData(uint32_t BlockIndex, uint32_t Offset,
36                              ArrayRef<uint8_t> Data) const = 0;
37 };
38 
39 } // end namespace msf
40 } // end namespace llvm
41 
42 #endif // LLVM_DEBUGINFO_MSF_IMSFFILE_H
43