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