private Port ScanInstantiate()
{
tokenizer.Match(TokenTypes.InstantiateKeyword, "instantiate");
IEntity entity = ScanEntity();
Signal[] inputs; //= new Signal[entity.InputSignals.Length];
Signal[] outputs; // = new Signal[entity.OutputSignals.Length];
Bus[] buses; // = new Bus[entity.Buses.Length];
if (tokenizer.LookaheadFistToken.Text == "in")
{
tokenizer.Match(TokenTypes.TextIdentifier, "in");
if (tokenizer.LookaheadToken(1).IsType(TokenTypes.Association))
{
List <SignalAssociation> associations = ScanSignalExpressionAssociationList();
inputs = new Signal[entity.InputSignals.Length];
foreach (SignalAssociation sa in associations)
{
inputs[Array.IndexOf <string>(entity.InputSignals, sa.Label)] = sa.Association;
}
}
else
{
List <Signal> associations = ScanSignalExpressionList();
inputs = associations.ToArray();
}
}
else
{
inputs = new Signal[entity.InputSignals.Length];
}
if (tokenizer.LookaheadFistToken.Text == "out")
{
tokenizer.Match(TokenTypes.TextIdentifier, "out");
if (tokenizer.LookaheadToken(1).IsType(TokenTypes.Association))
{
List <SignalAssociation> associations = ScanSignalAssociationList();
outputs = new Signal[entity.OutputSignals.Length];
foreach (SignalAssociation sa in associations)
{
outputs[Array.IndexOf <string>(entity.OutputSignals, sa.Label)] = sa.Association;
}
}
else
{
List <Signal> associations = ScanSignalList();
outputs = associations.ToArray();
}
}
else
{
outputs = new Signal[entity.OutputSignals.Length];
}
if (tokenizer.LookaheadFistToken.Text == "bus")
{
tokenizer.Match(TokenTypes.TextIdentifier, "bus");
if (tokenizer.LookaheadToken(1).IsType(TokenTypes.Association))
{
List <BusAssociation> associations = ScanBusAssociationList();
buses = new Bus[entity.Buses.Length];
foreach (BusAssociation ba in associations)
{
buses[Array.IndexOf <string>(entity.Buses, ba.Label)] = ba.Association;
}
}
else
{
List <Bus> associations = ScanBusList();
buses = associations.ToArray();
}
}
else
{
buses = new Bus[entity.Buses.Length];
}
Port port = entity.InstantiatePort(inputs, outputs, buses);
system.AddPortTree(port, false, false);
return(port);
}
