public static bool IsReduce(Precedence rulePrecedence, Precedence shiftPrecedence)
{
if (rulePrecedence == null)
{
throw new ArgumentNullException("rulePrecedence");
}
if (shiftPrecedence == null)
{
throw new ArgumentNullException("shiftPrecedence");
}
if (rulePrecedence.Value == shiftPrecedence.Value)
{
return rulePrecedence.Assoc == Associativity.Left;
}
return rulePrecedence.Value > shiftPrecedence.Value;
}