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      1 //===- PDBStringTable.h - PDB String Table -----------------------*- 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_PDB_NATIVE_PDBSTRINGTABLE_H
     10 #define LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLE_H
     11 
     12 #include "llvm/ADT/ArrayRef.h"
     13 #include "llvm/ADT/StringRef.h"
     14 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
     15 #include "llvm/Support/BinaryStreamArray.h"
     16 #include "llvm/Support/BinaryStreamRef.h"
     17 #include "llvm/Support/Endian.h"
     18 #include "llvm/Support/Error.h"
     19 #include <cstdint>
     20 
     21 namespace llvm {
     22 class BinaryStreamReader;
     23 
     24 namespace msf {
     25 class MappedBlockStream;
     26 }
     27 
     28 namespace pdb {
     29 
     30 struct PDBStringTableHeader;
     31 
     32 class PDBStringTable {
     33 public:
     34   Error reload(BinaryStreamReader &Reader);
     35 
     36   uint32_t getByteSize() const;
     37   uint32_t getNameCount() const;
     38   uint32_t getHashVersion() const;
     39   uint32_t getSignature() const;
     40 
     41   Expected<StringRef> getStringForID(uint32_t ID) const;
     42   Expected<uint32_t> getIDForString(StringRef Str) const;
     43 
     44   FixedStreamArray<support::ulittle32_t> name_ids() const;
     45 
     46   const codeview::DebugStringTableSubsectionRef &getStringTable() const;
     47 
     48 private:
     49   Error readHeader(BinaryStreamReader &Reader);
     50   Error readStrings(BinaryStreamReader &Reader);
     51   Error readHashTable(BinaryStreamReader &Reader);
     52   Error readEpilogue(BinaryStreamReader &Reader);
     53 
     54   const PDBStringTableHeader *Header = nullptr;
     55   codeview::DebugStringTableSubsectionRef Strings;
     56   FixedStreamArray<support::ulittle32_t> IDs;
     57   uint32_t NameCount = 0;
     58 };
     59 
     60 } // end namespace pdb
     61 } // end namespace llvm
     62 
     63 #endif // LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLE_H
     64