private void tryToNeeds(PostParseItem item, bool isLeft, AssureSplitStacks assurer)
{
switch (item.ItemType)
{
case PPItemType.Variable:
if (((PostParseVariable)item).Type == VariableType.Stack)
{
if (isLeft)
assurer.Resolve(((PostParseVariable)item).Index, ((PostParseVariable)item));
else
assurer.Need(((PostParseVariable)item).Index, ((PostParseVariable)item));
}
break;
case PPItemType.String:
return;
case PPItemType.Operation:
var op = ((PostParseOperation)item);
tryToNeeds(op.Left, false, assurer);
tryToNeeds(op.Right, false, assurer);
break;
case PPItemType.Statement:
var st = ((PostParseStatement)item);
foreach (var postParseItem in st.Items)
{
tryToNeeds(postParseItem, false, assurer);
}
break;
case PPItemType.Method:
var wst = ((PostParseMethod)item);
foreach (var a in wst.Params)
tryToNeeds(a, false, assurer);
break;
default:
throw new ArgumentOutOfRangeException();
}
return;
;
}
