1//===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===//
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/Native/SymbolStream.h"
10
11#include "llvm/DebugInfo/CodeView/CodeView.h"
12#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
13#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
14#include "llvm/Support/BinaryStreamReader.h"
15#include "llvm/Support/Endian.h"
16
17using namespace llvm;
18using namespace llvm::msf;
19using namespace llvm::support;
20using namespace llvm::pdb;
21
22SymbolStream::SymbolStream(std::unique_ptr<MappedBlockStream> Stream)
23    : Stream(std::move(Stream)) {}
24
25SymbolStream::~SymbolStream() {}
26
27Error SymbolStream::reload() {
28  BinaryStreamReader Reader(*Stream);
29
30  if (auto EC = Reader.readArray(SymbolRecords, Stream->getLength()))
31    return EC;
32
33  return Error::success();
34}
35
36iterator_range<codeview::CVSymbolArray::Iterator>
37SymbolStream::getSymbols(bool *HadError) const {
38  return llvm::make_range(SymbolRecords.begin(HadError), SymbolRecords.end());
39}
40
41Error SymbolStream::commit() { return Error::success(); }
42
43codeview::CVSymbol SymbolStream::readRecord(uint32_t Offset) const {
44  return *SymbolRecords.at(Offset);
45}
46