public List<Rule> GetRules(NonTerminal term)
{
return _productions[term].Select(p => new Rule(term, new List<Symbol>(p))).ToList();
}
public void Add(NonTerminal term, IEnumerable<Symbol> production)
{
if (!_productions.ContainsKey(term))
_productions.Add(term, new List<List<Symbol>>(1));
_productions[term].Add(production as List<Symbol> ?? production.ToList());
}
public Rule(NonTerminal name, List<Symbol> production)
: this(name, production, 0)
{ }
protected Rule(NonTerminal name, List<Symbol> production, int dot)
{
Name = name;
Production = production;
Dot = dot;
}
private EarleyRule(NonTerminal name, List<Symbol> production, int dot, int start)
: base(name, production, dot)
{
Start = start;
}
public EarleyRule(NonTerminal name, List<Symbol> production, int start)
: this(name, production, 0, start)
{
}
