private void RegisterImpl(HandleRef unmanaged)
{
if (!Handles.ContainsKey(unmanaged.Handle))
{
Handles.Add(unmanaged.Handle,
new Reference(GCHandle.Alloc(unmanaged.Wrapper,
GCHandleType.Weak)));
}
}
private void RegisterImpl(IntPtr unmanaged)
{
if (!Handles.ContainsKey(unmanaged))
{
Handles.Add(unmanaged,
new Reference(GCHandle.Alloc(null,
GCHandleType.Weak)));
}
}
public ReferencedObject(SqHostObject hostObj, object obj, out ulong handleIndex)
{
try
{
Handle = GCHandle.Alloc(obj, GCHandleType.Normal);
}
catch (Exception e)
{
throw new Exception($"Could not allocate object of type {obj.GetType()} when making an SqHostObject: {e.ToString()}");
}
ReleaseHook = new Squirrel.Unmanaged.SqReleaseHook(
(ptr, _) =>
{
unsafe
{
Handles[*(ulong *)ptr].Handle.Free();
Handles.Remove(*(ulong *)ptr);
}
return(1);
}
);
Index = NextHandleIndex;
var attemptsToFindNextIndex = 0UL;
do
{
NextHandleIndex = unchecked (NextHandleIndex + 1);
attemptsToFindNextIndex++;
} while (attemptsToFindNextIndex < ulong.MaxValue && Handles.ContainsKey(NextHandleIndex));
handleIndex = Index;
Handles.Add(handleIndex, this);
hostObj.PushSelf();
ScriptHandler.Squirrel.SetReleaseHook(-1, ReleaseHook);
ScriptHandler.Squirrel.Pop(1);
}