//Pipe/Alternative
//New version proposed by the codeplex user bdaugherty
internal static BnfExpression Op_Pipe(BnfTerm term1, BnfTerm term2)
{
BnfExpression expr1 = term1 as BnfExpression;
if (expr1 == null)
{
expr1 = new BnfExpression(term1);
}
BnfExpression expr2 = term2 as BnfExpression;
if (expr2 == null)
{
expr2 = new BnfExpression(term2);
}
expr1.Data.AddRange(expr2.Data);
return(expr1);
}
public NonTerminal(string name, BnfExpression expression)
: this(name) {
Rule = expression;
}
public NonTerminal(string name, BnfExpression expression)
: this(name)
{
Rule = expression;
Flags |= TermFlags.NoAstNode;
}