internal static int ReadArrayLength(MemorySection[] heap, UInt64 address, TypeDescription arrayType, VirtualMachineInformation virtualMachineInformation)
{
BytesAndOffset bo = heap.Find(address, virtualMachineInformation);
UInt64 bounds = bo.Add(virtualMachineInformation.arrayBoundsOffsetInHeader).ReadPointer();
if (bounds == 0)
#if UNITY_2017_2_OR_NEWER
{ return((int)bo.Add(virtualMachineInformation.arraySizeOffsetInHeader).ReadPointer()); }
#else
{ return(bo.Add(virtualMachineInformation.arraySizeOffsetInHeader).ReadInt32()); }
#endif
BytesAndOffset cursor = heap.Find(bounds, virtualMachineInformation);
int length = 1;
for (int i = 0; i != arrayType.arrayRank; i++)
{
#if UNITY_2017_2_OR_NEWER
length *= (int)cursor.ReadPointer();
cursor = cursor.Add(virtualMachineInformation.pointerSize == 4 ? 8 : 16);
#else
length *= cursor.ReadInt32();
cursor = cursor.Add(8);
#endif
}
return(length);
}
internal static int ReadStringObjectSizeInBytes(BytesAndOffset bo, VirtualMachineInformation virtualMachineInformation)
{
BytesAndOffset lengthPointer = bo.Add(virtualMachineInformation.objectHeaderSize);
int length = lengthPointer.ReadInt32();
return(virtualMachineInformation.objectHeaderSize + /*lengthfield*/ 1 + (length * /*utf16=2bytes per char*/ 2) + /*2 zero terminators*/ 2);
}
internal static string ReadString(BytesAndOffset bo, VirtualMachineInformation virtualMachineInformation)
{
BytesAndOffset lengthPointer = bo.Add(virtualMachineInformation.objectHeaderSize);
int length = lengthPointer.ReadInt32();
BytesAndOffset firstChar = lengthPointer.Add(4);
return(System.Text.Encoding.Unicode.GetString(firstChar.bytes, firstChar.offset, length * 2));
}