public static Expression Clone(Expression e)
{
Expression result;
string eType = e.GetType().Name;
switch (eType)
{
case "NularyExpression": result = new NularyExpression((NularyExpression)e); break;
case "UnaryExpression": result = new UnaryExpression((UnaryExpression)e); break;
case "BinaryExpression": result = new BinaryExpression((BinaryExpression)e); break;
case "NaryExpression": result = new NaryExpression((NaryExpression)e); break;
default: throw new Exception("Неизвестный тип выражения: " + eType);
}
return(result);
}
public NaryExpression(NaryExpression e)
: base(e)
{
Operands = new List <Expression>();
e.Operands.ForEach(o => Expression.Clone(o, this.Owner));
}