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1 //===- Streamutil.h - PDB stream utilities ----------------------*- 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_TOOLS_LLVMPDBDUMP_STREAMUTIL_H
11 #define LLVM_TOOLS_LLVMPDBDUMP_STREAMUTIL_H
12 
13 #include "llvm/ADT/Optional.h"
14 #include "llvm/ADT/SmallVector.h"
15 #include "llvm/ADT/StringRef.h"
16 
17 #include <string>
18 
19 namespace llvm {
20 namespace pdb {
21 class PDBFile;
22 enum class StreamPurpose {
23   NamedStream,
24   ModuleStream,
25   Symbols,
26   PDB,
27   DBI,
28   TPI,
29   IPI,
30   GlobalHash,
31   PublicHash,
32   TpiHash,
33   IpiHash,
34   Other
35 };
36 
37 struct StreamInfo {
38 public:
StreamInfoStreamInfo39   StreamInfo() {}
40 
getModuleIndexStreamInfo41   uint32_t getModuleIndex() const { return *ModuleIndex; }
getPurposeStreamInfo42   StreamPurpose getPurpose() const { return Purpose; }
getShortNameStreamInfo43   StringRef getShortName() const { return Name; }
getStreamIndexStreamInfo44   uint32_t getStreamIndex() const { return StreamIndex; }
45   std::string getLongName() const;
46 
47   static StreamInfo createStream(StreamPurpose Purpose, StringRef Name,
48                                  uint32_t StreamIndex);
49   static StreamInfo createModuleStream(StringRef Module, uint32_t StreamIndex,
50                                        uint32_t Modi);
51 
52 private:
53   StreamPurpose Purpose;
54   uint32_t StreamIndex;
55   std::string Name;
56   Optional<uint32_t> ModuleIndex;
57 };
58 
59 void discoverStreamPurposes(PDBFile &File,
60                             SmallVectorImpl<StreamInfo> &Streams);
61 }
62 }
63 
64 #endif
65