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