public void AllocValueTypeAndCopy(StackObject *ptr, StackObject *src)
{
var dst = ILIntepreter.ResolveReference(src);
var type = intepreter.AppDomain.GetType(dst->Value);
int size, managedCount;
type.GetValueTypeSize(out size, out managedCount);
if (allocator == null)
{
allocator = new StackObjectAllocator(AllocBlock);
}
StackObjectAllocation alloc;
if (allocator.AllocExisting(ptr, size, managedCount, out alloc))
{
if (dst != alloc.Address)
{
dst = alloc.Address;
ptr->ObjectType = ObjectTypes.ValueTypeObjectReference;
*(long *)&ptr->Value = (long)dst;
int managedIdx = alloc.ManagedIndex;
InitializeValueTypeObject(type, dst, true, ref managedIdx);
intepreter.CopyStackValueType(src, ptr, managedStack);
FreeValueTypeObject(src);
}
else
{
ptr->ObjectType = ObjectTypes.ValueTypeObjectReference;
*(long *)&ptr->Value = (long)dst;
}
}
else
{
int start = int.MaxValue;
int end = int.MinValue;
StackObject *endAddr;
CountValueTypeManaged(src, ref start, ref end, &endAddr);
if (endAddr == valueTypePtr)
{
valueTypePtr = dst;
}
allocator.RegisterAllocation(ptr, dst, size, start, managedCount);
ptr->ObjectType = ObjectTypes.ValueTypeObjectReference;
*(long *)&ptr->Value = (long)dst;
}
}
public void AllocValueType(StackObject *ptr, IType type, bool register = false)
{
if (type.IsValueType)
{
StackObject *dst;
int size, managedCount;
type.GetValueTypeSize(out size, out managedCount);
int managedIdx = -1;
if (register)
{
if (allocator == null)
{
allocator = new StackObjectAllocator(AllocBlock);
}
var allocation = allocator.Alloc(ptr, size, managedCount);
dst = allocation.Address;
managedIdx = allocation.ManagedIndex;
}
else
{
dst = valueTypePtr;
managedIdx = managedStack.Count;
valueTypePtr = ILIntepreter.Minus(valueTypePtr, size);
if (valueTypePtr <= StackBase)
{
throw new StackOverflowException();
}
}
ptr->ObjectType = ObjectTypes.ValueTypeObjectReference;
*(long *)&ptr->Value = (long)dst;
InitializeValueTypeObject(type, dst, register, ref managedIdx);
}
else
{
throw new ArgumentException(type.FullName + " is not a value type.", "type");
}
}
