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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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75
external/llvm/lib/DebugInfo/PDB/DIA/DIADataStream.cpp vendored
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@ -1,75 +0,0 @@
//===- DIADataStream.cpp - DIA implementation of IPDBDataStream -*- C++ -*-===//
//
// 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/DIA/DIADataStream.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/ConvertUTF.h"
using namespace llvm;
using namespace llvm::pdb;
DIADataStream::DIADataStream(CComPtr<IDiaEnumDebugStreamData> DiaStreamData)
: StreamData(DiaStreamData) {}
uint32_t DIADataStream::getRecordCount() const {
LONG Count = 0;
return (S_OK == StreamData->get_Count(&Count)) ? Count : 0;
}
std::string DIADataStream::getName() const {
CComBSTR Name16;
if (S_OK != StreamData->get_name(&Name16))
return std::string();
std::string Name8;
llvm::ArrayRef<char> Name16Bytes(reinterpret_cast<char *>(Name16.m_str),
Name16.ByteLength());
if (!llvm::convertUTF16ToUTF8String(Name16Bytes, Name8))
return std::string();
return Name8;
}
llvm::Optional<DIADataStream::RecordType>
DIADataStream::getItemAtIndex(uint32_t Index) const {
RecordType Record;
DWORD RecordSize = 0;
StreamData->Item(Index, 0, &RecordSize, nullptr);
if (RecordSize == 0)
return llvm::Optional<RecordType>();
Record.resize(RecordSize);
if (S_OK != StreamData->Item(Index, RecordSize, &RecordSize, &Record[0]))
return llvm::Optional<RecordType>();
return Record;
}
bool DIADataStream::getNext(RecordType &Record) {
Record.clear();
DWORD RecordSize = 0;
ULONG CountFetched = 0;
StreamData->Next(1, 0, &RecordSize, nullptr, &CountFetched);
if (RecordSize == 0)
return false;
Record.resize(RecordSize);
if (S_OK ==
StreamData->Next(1, RecordSize, &RecordSize, &Record[0], &CountFetched))
return false;
return true;
}
void DIADataStream::reset() { StreamData->Reset(); }
DIADataStream *DIADataStream::clone() const {
CComPtr<IDiaEnumDebugStreamData> EnumeratorClone;
if (S_OK != StreamData->Clone(&EnumeratorClone))
return nullptr;
return new DIADataStream(EnumeratorClone);
}