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//===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/Raw/SymbolStream.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/PDB/Raw/ByteStream.h"
#include "llvm/DebugInfo/PDB/Raw/MappedBlockStream.h"
#include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
#include "llvm/DebugInfo/PDB/Raw/RawError.h"
#include "llvm/DebugInfo/PDB/Raw/StreamReader.h"
#include "llvm/Support/Endian.h"
using namespace llvm;
using namespace llvm::support;
using namespace llvm::pdb;
SymbolStream::SymbolStream(PDBFile &File, uint32_t StreamNum)
: MappedStream(StreamNum, File) {}
SymbolStream::~SymbolStream() {}
Error SymbolStream::reload() {
StreamReader Reader(MappedStream);
if (Stream.initialize(Reader, MappedStream.getLength()))
return make_error<RawError>(raw_error_code::corrupt_file,
"Could not load symbol stream.");
return Error::success();
}
iterator_range<codeview::SymbolIterator> SymbolStream::getSymbols() const {
using codeview::SymbolIterator;
ArrayRef<uint8_t> Data;
if (auto Error = Stream.getArrayRef(0, Data, Stream.getLength())) {
consumeError(std::move(Error));
return iterator_range<SymbolIterator>(SymbolIterator(), SymbolIterator());
}
return codeview::makeSymbolRange(Data, nullptr);
}
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