private ILeafContainer ReadType(out long dataSize)
{
ushort length = ReadUInt16();
if (length == 0)
{
dataSize = sizeof(ushort);
return(null);
}
dataSize = sizeof(ushort) + length;
Position -= sizeof(ushort);
#if false //$TODO
{
var leafDataBuf = ReadBytes((int)length + sizeof(ushort));
UInt32 leafHash = HasherV2.HashBufferV8(leafDataBuf, 0xFFFFFFFF);
UInt32 hash = HasherV2.HashData(leafDataBuf, Header.Hash.NumHashBuckets);
Position -= sizeof(ushort) + length;
}
#endif
//OnLeafData?.Invoke(leafDataBuf);
var typeSpan = Memory.Slice((int)Position, (int)dataSize);
TypeDataReader rdr = new TypeDataReader(ctx, new SpanStream(typeSpan));
Position += dataSize;
return(rdr.ReadTypeLazy());
}
public LeafContainerBase ReadTypeDirect(bool hasSize = true)
{
long typeStartOffset = Position;
UInt16 size = 0;
if (hasSize)
{
size = ReadUInt16();
if (size == 0)
{
throw new InvalidDataException("Leaf size field cannot be 0");
}
}
LeafType leafType = ReadEnum <LeafType>();
ILeaf typeSym = CreateLeafStream(leafType);
typeSym.Read();
Position += (typeSym as LeafBase).Length;
ConsumePadding();
// for PDB 1.0: hash collides with padding, and is not properly encoded sometimes
AlignStream(2);
#if !PEFF
long typeDataSize = size + sizeof(UInt16);
UInt32 typeHash = PerformAt(typeStartOffset, () => {
byte[] typeData = ReadBytes((int)typeDataSize);
return(HasherV2.HashBufferV8(typeData, 0xFFFFFFFF));
});
#endif
return(new DirectLeafProvider(0, leafType, typeSym));
}