public IType Evaluate(Dictionary <string, IType> lookups)
{
IType[] evalTuple = new IType[items.Length];
for (int i = 0; i < items.Length; i++)
{
if (items[i] is IUnevaluated u)
{
evalTuple[i] = u.Evaluate(lookups);
if (evalTuple[i] is Union un)
{
for (int k = i; k < items.Length; k++)
{
evalTuple[k] = items[k];
}
IType[] tuples = new IType[un.values.Length];
for (int j = 0; j < tuples.Length; j++)
{
var unTuple = evalTuple.ToArray();
unTuple[i] = un.values[j];
tuples[j] = new UnevaluatedTuple(unTuple).Evaluate(lookups);
}
return(new Union(tuples));
}
}
else
{
evalTuple[i] = items[i];
}
}
return(new Tuple(evalTuple));
}
public IType Evaluate(Scope scope)
{
IType[] evalTuple = new IType[items.Length];
bool incomplete = false;
for (int i = 0; i < items.Length; i++)
{
if (items[i] is IUnevaluated u)
{
evalTuple[i] = u.Evaluate(scope);
if (evalTuple[i] is Union un)
{
for (int k = i; k < items.Length; k++)
{
evalTuple[k] = items[k];
}
IType[] tuples = new IType[un.values.Length];
for (int j = 0; j < tuples.Length; j++)
{
var unTuple = evalTuple.ToArray();
unTuple[i] = un.values[j];
tuples[j] = new UnevaluatedTuple(unTuple).Evaluate(scope);
}
return(new Union(tuples));
}
if (evalTuple[i] is IUnevaluated)
{
incomplete = true;
}
}
else
{
evalTuple[i] = items[i];
}
}
if (incomplete)
{
return(new BakedExpression(new UnevaluatedTuple(evalTuple), scope));
}
return(new Tuple(evalTuple));
}