public void Setup(ArraysAddressList arrayAddressList)
{
ArrayAddressList = arrayAddressList;
ClrDump = arrayAddressList.ClrDump;
Icon = Properties.Resources.formatting_equal_to_small;
Name = $"#{ArrayAddressList.ClrDump.Id} - Arrays: {ArrayAddressList.ClrType.Name}";
dlvArrays.InitColumns<ArrayInstanceInformation>();
dlvArrays.SetUpAddressColumn<ArrayInstanceInformation>(this);
dlvArrays.CellClick += OnCellClick;
}
public static List<ArrayInstanceInformation> Analyze(ArraysAddressList arrayAddressList, MessageBus msgBus)
{
var clrDump = arrayAddressList.ClrDump;
var clrType = arrayAddressList.ClrType;
var typeName = clrType.Name;
CancellationTokenSource token = new CancellationTokenSource();
msgBus.BeginTask($"Analyzing arrays: {typeName}...", token);
List<ArrayInstanceInformation> result = clrDump.Eval(() =>
{
var tmp = new List<ArrayInstanceInformation>();
var count = arrayAddressList.Addresses.Count;
HashSet<object> addresses = new HashSet<object>();
for (int i=0; i < count; i++) {
if (token.IsCancellationRequested)
{
break;
}
var address = arrayAddressList.Addresses[i];
int length = clrType.GetArrayLength(address);
if (i % 128 == 0)
{
msgBus.Status($"Analyzing instance: {i:###,###,###,##0} / {count:###,###,###,##0}");
}
float? nullRatio = null;
float? uniqueRatio = null;
if ( clrType.ContainsPointers )
{
int nbNull = 0;
addresses.Clear();
for (int j=0; j < length; j++)
{
object elemAddress = clrType.GetArrayElementValue(address, j);
if( elemAddress is ulong && (ulong)elemAddress == 0)
{
nbNull++;
}
else if (elemAddress == null)
{
nbNull++;
}
else
{
addresses.Add(elemAddress);
}
if (j % 1024 == 0 && j !=0)
{
msgBus.Status($"Analyzing instance: {i:###,###,###,##0} / {count:###,###,###,##0}, element {j:###,###,###,##0} / {length:###,###,###,##0}");
}
}
nullRatio = ((float)nbNull) / length;
uniqueRatio = ((float)addresses.Count+nbNull) / length;
}
ArrayInstanceInformation info = new ArrayInstanceInformation(clrDump, clrType, address, length, nullRatio, uniqueRatio);
tmp.Add(info);
}
return tmp;
});
msgBus.EndTask("Arrays analyzed.");
return result;
}
