protected void PreProcess(Point Entry)
{
//Uncomment to show Program overview at start of execution
//Overview(Entry);
OutWriter.Debug("[ PREPROC ] Started Preprocessor...");
IEnumerator <Point> it = new Iteration2D(Entry.X, Entry.Y, Program.GetLength(0), Program.GetLength(1))
.Snake(270, true);
while (it.MoveNext())
{
//Jump to labels only
switch ((CodeChar.Order)GetAt(it.Current))
{
//Skip none
case CodeChar.Order.Entry:
case CodeChar.Order.WriteLn:
case CodeChar.Order.Parse:
case CodeChar.Order.Exit:
break;
//Skip two
case CodeChar.Order.If:
case CodeChar.Order.Math:
case CodeChar.Order.Not:
it.MoveNext(); it.MoveNext();
break;
//Label: mark
case CodeChar.Order.Label:
Point pt = it.Current;
it.MoveNext();
Labels[GetAt(it.Current)] = new Point(it.Current.X, it.Current.Y);
OutWriter.Debug($"[ PREPROC ] @{pt.ToString()}: Encountered Mark Label: ({GetAt(it.Current).ToString()}) := {Labels[GetAt(it.Current)].ToString()}");
break;
//Skip one
default:
it.MoveNext();
break;
}
}
OutWriter.Debug("[ PREPROC ] Labels:");
Labels.Select(x => $"{x.Key}: ({x.Value.X}, {x.Value.Y})").ToList().ForEach(x => OutWriter.Debug($"[ PREPROC ] {x}"));
OutWriter.Debug("[ PREPROC ] Preprocessor Ready.");
}
protected void Overview(Point Entry)
{
OutWriter.Debug(" ==== PROGRAM OVERVIEW ==== ");
IEnumerator <Point> it = new Iteration2D(Entry.X, Entry.Y, Program.GetLength(0), Program.GetLength(1)).Snake(270, true);
while (it.MoveNext())
{
OutWriter.Debug(" " + GetAt(it.Current).ToString());
}
OutWriter.Debug(" ==== END OF OVERVIEW ==== ");
}
