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[FreeBSD/FreeBSD.git] / contrib / llvm / lib / DebugInfo / PDB / DIA / DIASourceFile.cpp
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/DIASourceFile.h"
11 #include "llvm/DebugInfo/PDB/ConcreteSymbolEnumerator.h"
12 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h"
13 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
14 #include "llvm/DebugInfo/PDB/DIA/DIAUtils.h"
15 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
16
17 using namespace llvm;
18 using namespace llvm::pdb;
19
20 DIASourceFile::DIASourceFile(const DIASession &PDBSession,
21                              CComPtr<IDiaSourceFile> DiaSourceFile)
22     : Session(PDBSession), SourceFile(DiaSourceFile) {}
23
24 std::string DIASourceFile::getFileName() const {
25   return invokeBstrMethod(*SourceFile, &IDiaSourceFile::get_fileName);
26 }
27
28 uint32_t DIASourceFile::getUniqueId() const {
29   DWORD Id;
30   return (S_OK == SourceFile->get_uniqueId(&Id)) ? Id : 0;
31 }
32
33 std::string DIASourceFile::getChecksum() const {
34   DWORD ByteSize = 0;
35   HRESULT Result = SourceFile->get_checksum(0, &ByteSize, nullptr);
36   if (ByteSize == 0)
37     return std::string();
38   std::vector<BYTE> ChecksumBytes(ByteSize);
39   Result = SourceFile->get_checksum(ByteSize, &ByteSize, &ChecksumBytes[0]);
40   if (S_OK != Result)
41     return std::string();
42   return std::string(ChecksumBytes.begin(), ChecksumBytes.end());
43 }
44
45 PDB_Checksum DIASourceFile::getChecksumType() const {
46   DWORD Type;
47   HRESULT Result = SourceFile->get_checksumType(&Type);
48   if (S_OK != Result)
49     return PDB_Checksum::None;
50   return static_cast<PDB_Checksum>(Type);
51 }
52
53 std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>
54 DIASourceFile::getCompilands() const {
55   CComPtr<IDiaEnumSymbols> DiaEnumerator;
56   HRESULT Result = SourceFile->get_compilands(&DiaEnumerator);
57   if (S_OK != Result)
58     return nullptr;
59
60   auto Enumerator = std::unique_ptr<IPDBEnumSymbols>(
61       new DIAEnumSymbols(Session, DiaEnumerator));
62   return std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>(
63       new ConcreteSymbolEnumerator<PDBSymbolCompiland>(std::move(Enumerator)));
64 }