public override bool Addition(StackContext sctx, PValue leftOperand, PValue rightOperand,
out PValue result)
{
result = null;
if (leftOperand.Type is HashPType && rightOperand.Type is HashPType)
{
var pvht1 = (PValueHashtable) leftOperand.Value;
var pvht2 = (PValueHashtable) rightOperand.Value;
var pvht = new PValueHashtable(pvht1.Count + pvht2.Count);
foreach (var pair in pvht1)
pvht.Add(pair);
foreach (var pair in pvht2)
pvht.AddOverride(pair);
result = (PValue) pvht;
}
return result != null;
}
protected override bool InternalConvertFrom(
StackContext sctx, PValue subject, bool useExplicit, out PValue result)
{
if (sctx == null)
throw new ArgumentNullException("sctx");
if (subject == null)
throw new ArgumentNullException("subject");
result = null;
PValueHashtable pvht = null;
var sT = subject.Type;
if (sT is ObjectPType)
{
var os = subject.Value;
var o_pvht = os as PValueHashtable;
if (o_pvht != null)
pvht = o_pvht;
else
{
var id = os as IDictionary<PValue, PValue>;
if (id != null)
pvht = new PValueHashtable(id);
else
{
var pvkvp = os as PValueKeyValuePair;
if (pvkvp != null)
{
pvht = new PValueHashtable(1);
pvht.Add(pvkvp);
}
else if (os is KeyValuePair<PValue, PValue>)
{
pvht = new PValueHashtable(1);
pvht.Add((KeyValuePair<PValue, PValue>) os);
}
}
}
}
else if (sT == Null)
pvht = new PValueHashtable();
if (pvht != null)
result = new PValue(pvht, this);
return result != null;
}
