// Draw
public bool Draw(int[,] matrix)
{
if (!string.IsNullOrEmpty(lhs) && !string.IsNullOrEmpty(rhs) && func != null)
{
StateString.Draw(matrix, lhs, rhs, func);
}
else
{
StateNumber.Draw(matrix);
}
return(true);
}
private Token GetNumber()
{
Char c;
StateNumber state = StateNumber.START;
Int64 number = 0;
Int32 digit;
int length = 0;
while (true)
{
switch (state)
{
case StateNumber.START:
c = Next();
digit = Convert.ToInt32(c) - 0x30;
number *= 10;
number += digit;
state = StateNumber.D;
break;
case StateNumber.D:
c = Next();
if (Char.IsDigit(c))
{
digit = Convert.ToInt32(c) - 0x30;
number *= 10;
number += digit;
state = StateNumber.D;
}
else
{
Retract();
length--;
state = StateNumber.FINISH;
}
break;
case StateNumber.FINISH:
return(Token.GetIntToken(number, lexemeBegin, length));
}
length++;
}
}
public override string ToString()
{
return(StateNumber.ToString());
}