public object VisitAlternation(AlternationNode alt)
{
tabWrite("Alt");
level++;
tabWrite("Left");
level++;
alt.Left.Visit(this);
level--;
tabWrite("Right");
level++;
alt.Right.Visit(this);
level--;
level--;
return(null);
}
public override AstNode VisitAlternation(AlternationNode alt)
{
var left = alt.Left.Visit(this);
var right = alt.Right.Visit(this);
var nodes = new List <AstNode>();
nodes.Add(left);
if (right is AlternationListNode)
{
nodes.AddRange((right as AlternationListNode).Nodes);
}
else
{
nodes.Add(right);
}
return(new AlternationListNode(nodes));
}
public Tuple <State, State> VisitAlternation(AlternationNode alt)
{
throw new NotSupportedException("You should use the SimplifyingRewriter in Program.");
}
public virtual AstNode VisitAlternation(AlternationNode alt)
{
return(new AlternationNode(alt.Left.Visit(this), alt.Right.Visit(this)));
}
public virtual T VisitAlternation(AlternationNode alt)
{
return(default(T));
}
