public void Add(BnfRule rule)
{
if (rules.ContainsKey(rule) == false)
{
rules.Add(rule, rule);
}
}
public void Add(BnfRule rule)
{
rules.Add(rule);
var nt = rule.Nonterminal;
if (NonTerminals.ContainsKey(nt.Name) == false)
{
NonTerminals.Add(nt.Name, nt);
}
nt.Add(rule);
}
public static BnfGrammar Test1()
{
BnfNonterminal S = new BnfNonterminal(nameof(S));
BnfNonterminal A = new BnfNonterminal(nameof(A));
Symbol a = new Symbol(nameof(a));
Symbol b = new Symbol(nameof(b));
Symbol c = new Symbol(nameof(c));
Symbol d = new Symbol(nameof(d));
var rule1 = new BnfRule(S, new Symbol [] { c, A, d });
var rule2 = new BnfRule(A, new Symbol [] { a, b });
var rule3 = new BnfRule(A, new Symbol [] { a });
var G = new BnfGrammar();
G.Add(rule1);
G.Add(rule2);
G.Add(rule3);
return(G);
}
