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      1 //===- DIASourceFile.cpp - DIA implementation of IPDBSourceFile -*- 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 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h"
     11 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
     12 #include "llvm/DebugInfo/PDB/DIA/DIASourceFile.h"
     13 #include "llvm/Support/ConvertUTF.h"
     14 
     15 using namespace llvm;
     16 
     17 DIASourceFile::DIASourceFile(const DIASession &PDBSession,
     18                              CComPtr<IDiaSourceFile> DiaSourceFile)
     19     : Session(PDBSession), SourceFile(DiaSourceFile) {}
     20 
     21 std::string DIASourceFile::getFileName() const {
     22   CComBSTR FileName16;
     23   HRESULT Result = SourceFile->get_fileName(&FileName16);
     24   if (S_OK != Result)
     25     return std::string();
     26 
     27   std::string FileName8;
     28   llvm::ArrayRef<char> FileNameBytes(reinterpret_cast<char *>(FileName16.m_str),
     29                                      FileName16.ByteLength());
     30   llvm::convertUTF16ToUTF8String(FileNameBytes, FileName8);
     31   return FileName8;
     32 }
     33 
     34 uint32_t DIASourceFile::getUniqueId() const {
     35   DWORD Id;
     36   return (S_OK == SourceFile->get_uniqueId(&Id)) ? Id : 0;
     37 }
     38 
     39 std::string DIASourceFile::getChecksum() const {
     40   DWORD ByteSize = 0;
     41   HRESULT Result = SourceFile->get_checksum(0, &ByteSize, nullptr);
     42   if (ByteSize == 0)
     43     return std::string();
     44   std::vector<BYTE> ChecksumBytes(ByteSize);
     45   Result = SourceFile->get_checksum(ByteSize, &ByteSize, &ChecksumBytes[0]);
     46   if (S_OK != Result)
     47     return std::string();
     48   return std::string(ChecksumBytes.begin(), ChecksumBytes.end());
     49 }
     50 
     51 PDB_Checksum DIASourceFile::getChecksumType() const {
     52   DWORD Type;
     53   HRESULT Result = SourceFile->get_checksumType(&Type);
     54   if (S_OK != Result)
     55     return PDB_Checksum::None;
     56   return static_cast<PDB_Checksum>(Type);
     57 }
     58 
     59 std::unique_ptr<IPDBEnumSymbols> DIASourceFile::getCompilands() const {
     60   CComPtr<IDiaEnumSymbols> DiaEnumerator;
     61   HRESULT Result = SourceFile->get_compilands(&DiaEnumerator);
     62   if (S_OK != Result)
     63     return nullptr;
     64 
     65   return std::unique_ptr<IPDBEnumSymbols>(
     66       new DIAEnumSymbols(Session, DiaEnumerator));
     67 }
     68