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1 //===- NameHashTable.h - PDB Name Hash Table --------------------*- 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_PDB_RAW_NAMEHASHTABLE_H
11 #define LLVM_DEBUGINFO_PDB_RAW_NAMEHASHTABLE_H
12 
13 #include "llvm/ADT/ArrayRef.h"
14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/DebugInfo/CodeView/StreamArray.h"
16 #include "llvm/DebugInfo/CodeView/StreamRef.h"
17 #include "llvm/Support/Endian.h"
18 #include "llvm/Support/Error.h"
19 #include <cstdint>
20 #include <vector>
21 
22 namespace llvm {
23 namespace codeview {
24 class StreamReader;
25 }
26 namespace pdb {
27 
28 class NameHashTable {
29 public:
30   NameHashTable();
31 
32   Error load(codeview::StreamReader &Stream);
33 
getNameCount()34   uint32_t getNameCount() const { return NameCount; }
getHashVersion()35   uint32_t getHashVersion() const { return HashVersion; }
getSignature()36   uint32_t getSignature() const { return Signature; }
37 
38   StringRef getStringForID(uint32_t ID) const;
39   uint32_t getIDForString(StringRef Str) const;
40 
41   codeview::FixedStreamArray<support::ulittle32_t> name_ids() const;
42 
43 private:
44   codeview::StreamRef NamesBuffer;
45   codeview::FixedStreamArray<support::ulittle32_t> IDs;
46   uint32_t Signature;
47   uint32_t HashVersion;
48   uint32_t NameCount;
49 };
50 
51 } // end namespace pdb
52 } // end namespace llvm
53 
54 #endif // LLVM_DEBUGINFO_PDB_RAW_NAMEHASHTABLE_H
55