public static void PrintDict(ClrRuntime runtime, string args)
{
bool failed = false;
ulong obj = 0;
try
{
obj = Convert.ToUInt64(args, 16);
failed = obj == 0;
}
catch (ArgumentException)
{
failed = true;
}
if (failed)
{
Console.WriteLine("Usage: !PrintDict <dictionary>");
return;
}
ClrHeap heap = runtime.GetHeap();
ClrType type = heap.GetObjectType(obj);
if (type == null)
{
Console.WriteLine("Invalid object {0:X}", obj);
return;
}
if (!type.Name.StartsWith("System.Collections.Generic.Dictionary"))
{
Console.WriteLine("Error: Expected object {0:X} to be a dictionary, instead it's of type '{1}'.");
return;
}
// Get the entries field.
ulong entries = type.GetFieldValue(obj, "entries");
if (entries == 0)
{
return;
}
ClrType entryArray = heap.GetObjectType(entries);
ClrType arrayComponent = entryArray.ComponentType;
ClrInstanceField hashCodeField = arrayComponent.GetFieldByName("hashCode");
ClrInstanceField keyField = arrayComponent.GetFieldByName("key");
ClrInstanceField valueField = arrayComponent.GetFieldByName("value");
Console.WriteLine("{0,8} {1,16} : {2}", "hash", "key", "value");
int len = entryArray.GetArrayLength(entries);
for (int i = 0; i < len; ++i)
{
ulong arrayElementAddr = entryArray.GetArrayElementAddress(entries, i);
int hashCode = (int)hashCodeField.GetValue(arrayElementAddr, true);
object key = keyField.GetValue(arrayElementAddr, true);
object value = valueField.GetValue(arrayElementAddr, true);
key = Format(heap, key);
value = Format(heap, value);
bool skip = key is ulong && (ulong)key == 0 && value is ulong && (ulong)value == 0;
if (!skip)
{
Console.WriteLine("{0,8:X} {1,16} : {2}", hashCode, key, value);
}
}
}