private static GraphFIR.IO.FIRIO VisitBundle(VisitHelper helper, FIRRTL.Dir direction, string bundleName, FIRRTL.BundleType bundle, bool forcePassive)
{
List <GraphFIR.IO.FIRIO> io = new List <GraphFIR.IO.FIRIO>();
foreach (var field in bundle.Fields)
{
//If passive then ignore flips so all flows are the same
FIRRTL.Dir fieldDir = !forcePassive?direction.Flip(field.Flip) : direction;
io.Add(VisitType(helper, fieldDir, field.Name, field.Type, forcePassive));
}
return(new GraphFIR.IO.IOBundle(null, bundleName, io));
}
private static GraphFIR.IO.FIRIO VisitType(VisitHelper helper, FIRRTL.Dir direction, string name, FIRRTL.IFIRType type, bool forcePassive)
{
if (type is FIRRTL.BundleType bundle)
{
return(VisitBundle(helper, direction, name, bundle, forcePassive));
}
else if (type is FIRRTL.VectorType vec)
{
return(VisitVector(helper, direction, name, vec, forcePassive));
}
else if (direction == FIRRTL.Dir.Input)
{
return(new GraphFIR.IO.Input(null, name, type));
}
else if (direction == FIRRTL.Dir.Output)
{
return(new GraphFIR.IO.Output(null, name, type));
}
else
{
throw new NotImplementedException();
}
}
private static GraphFIR.IO.FIRIO VisitVector(VisitHelper helper, FIRRTL.Dir direction, string vectorName, FIRRTL.VectorType vec, bool forcePassive)
{
var type = VisitType(helper, direction, null, vec.Type, forcePassive);
return(new GraphFIR.IO.Vector(null, vectorName, vec.Size, type));
}
private static GraphFIR.IO.FIRIO VisitTypeAsPassive(VisitHelper helper, FIRRTL.Dir direction, string name, FIRRTL.IFIRType type)
{
return(VisitType(helper, direction, name, type, true));
}
