Error TypeStreamMerger::remapAllTypes(const CVTypeArray &Types) {
BinaryStreamRef Stream = Types.getUnderlyingStream();
ArrayRef<uint8_t> Buffer;
cantFail(Stream.readBytes(0, Stream.getLength(), Buffer));
return forEachCodeViewRecord<CVType>(
Buffer, [this](const CVType &T) { return remapType(T); });
}
std::pair<BinaryStreamReader, BinaryStreamReader>
BinaryStreamReader::split(uint32_t Off) const {
assert(getLength() >= Off);
BinaryStreamRef First = Stream.drop_front(Offset);
BinaryStreamRef Second = First.drop_front(Off);
First = First.keep_front(Off);
BinaryStreamReader W1{First};
BinaryStreamReader W2{Second};
return std::make_pair(W1, W2);
}
Error BinaryStreamWriter::writeStreamRef(BinaryStreamRef Ref, uint32_t Length) {
BinaryStreamReader SrcReader(Ref.slice(0, Length));
// This is a bit tricky. If we just call readBytes, we are requiring that it
// return us the entire stream as a contiguous buffer. There is no guarantee
// this can be satisfied by returning a reference straight from the buffer, as
// an implementation may not store all data in a single contiguous buffer. So
// we iterate over each contiguous chunk, writing each one in succession.
while (SrcReader.bytesRemaining() > 0) {
ArrayRef<uint8_t> Chunk;
if (auto EC = SrcReader.readLongestContiguousChunk(Chunk))
return EC;
if (auto EC = writeBytes(Chunk))
return EC;
}
return Error::success();
}
Error BinaryStreamWriter::writeStreamRef(BinaryStreamRef Ref) {
return writeStreamRef(Ref, Ref.getLength());
}
