forked from OSchip/llvm-project
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===- ByteStream.cpp - Reads stream data from a byte sequence ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/CodeView/ByteStream.h"
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#include "llvm/DebugInfo/CodeView/CodeViewError.h"
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#include "llvm/DebugInfo/CodeView/StreamReader.h"
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#include <cstring>
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using namespace llvm;
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using namespace llvm::codeview;
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ByteStream::ByteStream() {}
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ByteStream::ByteStream(ArrayRef<uint8_t> Data) : Data(Data) {}
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ByteStream::~ByteStream() {}
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Error ByteStream::readBytes(uint32_t Offset, uint32_t Size,
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ArrayRef<uint8_t> &Buffer) const {
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if (Data.size() < Size + Offset)
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return make_error<CodeViewError>(cv_error_code::insufficient_buffer);
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Buffer = Data.slice(Offset, Size);
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return Error::success();
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}
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uint32_t ByteStream::getLength() const { return Data.size(); }
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StringRef ByteStream::str() const {
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const char *CharData = reinterpret_cast<const char *>(Data.data());
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return StringRef(CharData, Data.size());
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}
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