protected override void findChildNodes(FindNodesResult fnr)
{
if (OutputPosition != 2)
fnr.LetNodes.Add(this);
if (fnr.Invocations.Add(Invocation))
{
foreach (var inp in new[] { Invocation.LambdaGetter, Invocation.Argument })
{
fnr.NodesUsedAsFunctionInputs.Add(inp);
inp.FindNodes(fnr);
}
}
}
public override void FindNodes(FindNodesResult fnr)
{
fnr.AllNodes.Add(this);
fnr.SingleUseNodes.Add(this);
}
protected override void findChildNodes(FindNodesResult fnr)
{
}
protected override void findChildNodes(FindNodesResult fnr)
{
Left.FindNodes(fnr);
Right.FindNodes(fnr);
}
protected override void findChildNodes(FindNodesResult fnr)
{
fnr.NodesUsedAsFunctionInputs.Add(ReturnValue1);
fnr.NodesUsedAsFunctionInputs.Add(ReturnValue2);
ReturnValue1.FindNodes(fnr);
ReturnValue2.FindNodes(fnr);
}
protected override void findChildNodes(FindNodesResult fnr)
{
if (Call.Function.OutputNodes.Count(n => n != null) > 1)
fnr.LetNodes.Add(this);
if (fnr.Calls.Add(Call))
{
foreach (var inp in Call.Inputs.Where(i => i != null))
{
fnr.NodesUsedAsFunctionInputs.Add(inp);
inp.FindNodes(fnr);
}
}
}
public FindNodesResult FindNodes()
{
var fnr = new FindNodesResult();
foreach (var output in OutputNodes.Where(on => on != null))
output.FindNodes(fnr);
foreach (var node in fnr.SingleUseNodes.OfType<LambdaInvocationOutputNode>())
if (fnr.LetNodes.OfType<LambdaInvocationOutputNode>().Any(lion => lion.Invocation == node.Invocation))
fnr.LetNodes.Add(node);
return fnr;
}
protected abstract void findChildNodes(FindNodesResult fnr);
public virtual void FindNodes(FindNodesResult fnr)
{
fnr.AllNodes.Add(this);
if (fnr.MultiUseNodes.Contains(this))
return;
if (fnr.SingleUseNodes.Contains(this))
{
fnr.SingleUseNodes.Remove(this);
fnr.MultiUseNodes.Add(this);
fnr.LetNodes.Add(this);
return;
}
fnr.SingleUseNodes.Add(this);
findChildNodes(fnr);
}
protected override void findChildNodes(FindNodesResult fnr)
{
Left.FindNodes(fnr);
// If the two nodes are the same, this NAND is used to express a NOT.
// getExpression() will recognize that and just output a unary NOT (¬).
// In such a case, we should not allocate a variable for it if that is its only use.
if (Right != Left)
Right.FindNodes(fnr);
}
