// Lexical scanner
private void Scan()
{
int k;
while (Cradle.Look == Cradle.CR)
{
Cradle.Fin();
}
if (Cradle.IsAlpha(Cradle.Look))
{
GetName();
}
else if (Cradle.IsDigit(Cradle.Look))
{
GetNum();
}
else if (IsOp(Cradle.Look))
{
GetOp();
}
else
{
Value = Cradle.Look.ToString();
Token = SymType.Operator;
Cradle.GetChar();
}
Cradle.SkipWhite();
}
// Skip over a comma
private void SkipComma()
{
Cradle.SkipWhite();
if (Cradle.Look == ',')
{
Cradle.GetChar();
Cradle.SkipWhite();
}
}
