public UnionAlternative AddAlternative(DataType dt)
{
var alt = new UnionAlternative(dt, Alternatives.Count);
Alternatives.Add(alt);
return(alt);
}
public override DataType Clone()
{
DataType pre = PreferredType != null?PreferredType.Clone() : null;
UnionType u = new UnionType(Name, pre);
foreach (UnionAlternative a in this.Alternatives.Values)
{
UnionAlternative aClone = new UnionAlternative(a.DataType.Clone());
u.Alternatives.Add(aClone);
}
return(u);
}
public int Compare(UnionType x, UnionType y, int count)
{
int d;
d = x.Alternatives.Count - y.Alternatives.Count;
if (d != 0)
{
return(d);
}
++count;
for (int i = 0; i < x.Alternatives.Count; ++i)
{
UnionAlternative ax = x.Alternatives.Values[i];
UnionAlternative ay = y.Alternatives.Values[i];
d = Compare(ax.DataType, ay.DataType, count);
if (d != 0)
{
return(d);
}
}
return(0);
}
