protected ImmutableBorrowNode()
{
var immutableReferenceType = NITypes.Void.CreateImmutableReference();
FixedTerminals.Add(new NodeTerminal(Direction.Input, immutableReferenceType, "value in"));
FixedTerminals.Add(new NodeTerminal(Direction.Output, immutableReferenceType, "reference out"));
}
protected FunctionalNode(NIType signature)
{
Signature = signature;
foreach (NodeTerminal terminal in CreateNodeTerminalsFromSignature(signature))
{
FixedTerminals.Add(terminal);
}
Width = StockDiagramGeometries.GridSize * 4;
}
protected TerminateLifetime()
{
var immutableReferenceType = NITypes.Void.CreateImmutableReference();
var inputTerminal = new NodeTerminal(Direction.Input, immutableReferenceType, "inner lifetime 0");
FixedTerminals.Add(inputTerminal);
var outputTerminal = new NodeTerminal(Direction.Output, immutableReferenceType, "outer lifetime");
FixedTerminals.Add(outputTerminal);
}
private void UpdateTerminalsFromDataType(NIType type)
{
bool isStruct = type.IsValueClass();
bool isUnion = type.IsUnion();
if (isStruct || isUnion)
{
NIType[] fields = type.GetFields().ToArray();
int inputTerminalCount = isStruct ? fields.Length : 1;
if (!InputTerminals.HasExactly(inputTerminalCount))
{
while (inputTerminalCount < InputTerminals.Count())
{
FixedTerminals.Remove(FixedTerminals.Last());
}
while (inputTerminalCount > InputTerminals.Count())
{
int index = InputTerminals.Count();
FixedTerminals.Add(new ConstructorTerminal(NITypes.Void, $"element{index}"));
}
if (isStruct)
{
foreach (var pair in FixedTerminals.Skip(1).Cast <ConstructorTerminal>().Zip(fields))
{
pair.Key.FieldName = pair.Value.GetName();
}
}
else
{
// TODO: attempt to recover the same variant element index
((ConstructorTerminal)FixedTerminals[1]).FieldName = fields[0].GetName();
}
}
SetGeometry();
}
}
protected DropNode()
{
FixedTerminals.Add(new NodeTerminal(Direction.Input, PFTypes.Void, "value"));
}
protected TypePassthrough()
{
FixedTerminals.Add(new NodeTerminal(Direction.Input, NITypes.Void, "ref in"));
FixedTerminals.Add(new NodeTerminal(Direction.Output, NITypes.Void, "ref out"));
}
private PrimitiveType()
{
FixedTerminals.Add(new NodeTerminal(Direction.Output, NITypes.Void, "type"));
}
