private LuaUpvalue F_FindUpval(StkId level)
{
#if DEBUG_FIND_UPVALUE
ULDebug.Log("[F_FindUpval] >>>>>>>>>>>>>>>>>>>> level:" + level);
#endif
var node = OpenUpval.First;
LinkedListNode <LuaUpvalue> prev = null;
while (node != null)
{
var upval = node.Value;
#if DEBUG_FIND_UPVALUE
ULDebug.Log("[F_FindUpval] >>>>>>>>>>>>>>>>>>>> upval.V:" + upval.V);
#endif
if (upval.V.Index < level.Index)
{
break;
}
var next = node.Next;
if (upval.V == level)
{
return(upval);
}
prev = node;
node = next;
}
// not found: create a new one
var ret = new LuaUpvalue();
ret.V = level;
// ret.Prev = G.UpvalHead;
// ret.Next = G.UpvalHead.Next;
// ret.Next.Prev = ret;
// G.UpvalHead.Next = ret;
if (prev == null)
{
OpenUpval.AddFirst(ret);
}
else
{
OpenUpval.AddAfter(prev, ret);
}
#if DEBUG_FIND_UPVALUE
ULDebug.Log("[F_FindUpval] >>>>>>>>>>>>>>>>>>>> create new one:" + ret.V);
#endif
return(ret);
}
private void F_Close(StkId level)
{
var node = OpenUpval.First;
while (node != null)
{
var upval = node.Value;
if (upval.V.Index < level.Index)
{
break;
}
var next = node.Next;
OpenUpval.Remove(node);
node = next;
upval.Value.V.SetObj(ref upval.V.V);
upval.V = upval.Value;
}
}
private void F_Close(StkId level)
{
LinkedListNode <LuaUpvalue> node = OpenUpval.First;
while (node != null)
{
LuaUpvalue upval = node.Value;
if (upval.V.Index < level.Index)
{
break;
}
LinkedListNode <LuaUpvalue> next = node.Next;
OpenUpval.Remove(node);
node = next;
upval.Value.V.SetObj(ref upval.V.V);
upval.V = upval.Value;
}
}