internal override Opcode Eval(ProcessingContext context)
{
StackFrame topArg = context.TopArg;
StackFrame secondArg = context.SecondArg;
int basePtr = topArg.basePtr;
for (int i = secondArg.basePtr; basePtr <= topArg.endPtr; i++)
{
NodeSequence otherSeq = context.Values[basePtr].Sequence;
NodeSequence sequence = context.Values[i].Sequence;
context.SetValue(context, i, sequence.Union(context, otherSeq));
basePtr++;
}
context.PopFrame();
return(base.next);
}
internal override Opcode Eval(ProcessingContext context)
{
StackFrame topArg = context.TopArg;
StackFrame secondArg = context.SecondArg;
Fx.Assert(topArg.Count == secondArg.Count, "");
for (int x = topArg.basePtr, y = secondArg.basePtr; x <= topArg.endPtr; ++x, ++y)
{
NodeSequence seqX = context.Values[x].Sequence;
NodeSequence seqY = context.Values[y].Sequence;
// Replace with a new sequence that is the union of the two
context.SetValue(context, y, seqY.Union(context, seqX));
}
context.PopFrame();
return(this.next);
}