private ClrType TryBuildType(ClrHeap heap)
{
var runtime = heap.Runtime;
var domains = runtime.AppDomains;
ClrType[] types = new ClrType[domains.Count];
ClrElementType elType = ElementType;
if (ClrRuntime.IsPrimitive(elType) || elType == ClrElementType.String)
{
return(((DesktopGCHeap)heap).GetBasicType(elType));
}
int count = 0;
foreach (var domain in domains)
{
object value = GetValue(domain);
if (value != null && value is ulong && ((ulong)value != 0))
{
types[count++] = heap.GetObjectType((ulong)value);
}
}
int depth = int.MaxValue;
ClrType result = null;
for (int i = 0; i < count; ++i)
{
ClrType curr = types[i];
if (curr == result || curr == null)
{
continue;
}
int nextDepth = GetDepth(curr);
if (nextDepth < depth)
{
result = curr;
depth = nextDepth;
}
}
return(result);
}
}// SkipAnyVASentinel
public bool SkipExactlyOne()
{
if (!GetElemType(out int typ))
{
return(false);
}
int tmp;
if (!ClrRuntime.IsPrimitive((ClrElementType)typ))
{
switch (typ)
{
default:
return(false);
case ELEMENT_TYPE_VAR:
case ELEMENT_TYPE_MVAR:
if (!GetData(out tmp))
{
return(false);
}
break;
case ELEMENT_TYPE_OBJECT:
case ELEMENT_TYPE_STRING:
case ELEMENT_TYPE_TYPEDBYREF:
break;
case ELEMENT_TYPE_BYREF:
case ELEMENT_TYPE_PTR:
case ELEMENT_TYPE_PINNED:
case ELEMENT_TYPE_SZARRAY:
if (!SkipExactlyOne())
{
return(false);
}
break;
case ELEMENT_TYPE_VALUETYPE:
case ELEMENT_TYPE_CLASS:
if (!GetToken(out tmp))
{
return(false);
}
break;
case ELEMENT_TYPE_FNPTR:
if (!SkipSignature())
{
return(false);
}
break;
case ELEMENT_TYPE_ARRAY:
// Skip element type
if (!SkipExactlyOne())
{
return(false);
}
// Get rank;
int rank;
if (!GetData(out rank))
{
return(false);
}
if (rank > 0)
{
if (!GetData(out int sizes))
{
return(false);
}
while (sizes-- != 0)
{
if (!GetData(out tmp))
{
return(false);
}
}
if (!GetData(out int bounds))
{
return(false);
}
while (bounds-- != 0)
{
if (!GetData(out tmp))
{
return(false);
}
}
}
break;
case ELEMENT_TYPE_SENTINEL:
// Should be unreachable since GetElem strips it
break;
case ELEMENT_TYPE_INTERNAL:
if (!GetData(out tmp))
{
return(false);
}
break;
case ELEMENT_TYPE_GENERICINST:
// Skip generic type
if (!SkipExactlyOne())
{
return(false);
}
// Get number of parameters
int argCnt;
if (!GetData(out argCnt))
{
return(false);
}
// Skip the parameters
while (argCnt-- != 0)
{
SkipExactlyOne();
}
break;
}
}
return(true);
}
