private bool P_ArrayList(PArray arr)
{
if (P_Comma())
{
if (P_PosOrNeg(out var num))
{
if (int.TryParse(num.Lex, out var lbound))
{
if (P_Dot() && P_Dot())
{
if (P_PosOrNeg(out num))
{
if (int.TryParse(num.Lex, out var rbound))
{
arr.AddArrData(new PArray.ArrayData(lbound, rbound));
return(P_ArrayList(arr));
}
}
}
}
}
}
return(P_RightBracket());
}