//*
// * Checks if this pattern would match an empty stream of
// * tokens. This method checks if any one of the production
// * pattern alternatives would match the empty token stream.
// *
// * @return true if at least one alternative match no tokens, or
// * false otherwise
//
public bool IsMatchingEmpty()
{
ProductionPatternAlternative alt = default(ProductionPatternAlternative);
for (int i = 0; i <= alternatives.Count - 1; i++)
{
alt = (ProductionPatternAlternative)alternatives[i];
if (alt.IsMatchingEmpty())
{
return(true);
}
}
return(false);
}