private void EvalOperation(Stack <NodeExpr> se, Stack <ETypeBinary> so)
{
var pType = so.Pop();
if (se.Count < 2)
{
throw new InvalidOperationException();
}
var r = se.Pop();
var l = se.Pop();
se.Push(NodeExpr.Binary(pType, l, r));
}
public override Task <NodeExpr> Visit(NodeExprBinary e, CancellationToken t)
{
return(Task.Run
(
() =>
{
var lt = Visit(e.Left, t);
var rt = Visit(e.Right, t);
Task.WaitAll(new[] { lt, rt }, t);
t.ThrowIfCancellationRequested();
var l = lt.Result;
var r = rt.Result;
return
((l is NodeExprNumber <N> ln) && (r is NodeExprNumber <N> rn))
? (NodeExpr)NodeExpr.Number(mAlg.EvalBinaryOperator(e.TypeBinary, ln.Value, rn.Value))
: NodeExpr.Binary(e.TypeBinary, l, r);
}
));
}