public Alternative(Nonterminal b, int index, List<Symbol> value)
{
_base = new Nonterminal(b);
_index = index;
_value = new List<Symbol>(value);
_strValue = String.Format("{0}{1}", _base.Sym, index);
}
public Alternative()
{
_base = new Nonterminal();
_index = 0;
_value = new List<Symbol>();
_strValue = "";
}
public Grammar(Grammar g)
{
_nonterminals = new List<Nonterminal>(g.Nonterminals);
_terminals = new List<Terminal>(g.Terminals);
_rules = new List<Rule>(g.Rules);
_distinguishedSymbol = new Nonterminal(g.DistinguishedSymbol);
_vanishingSymbols = new List<Nonterminal>(g.VanishingSymbols);
}
public Grammar(List<Nonterminal> nonterminals, List<Terminal> terminals, List<Rule> rules, Nonterminal distinguishedSymbol)
{
_nonterminals = new List<Nonterminal>(nonterminals);
_terminals = new List<Terminal>(terminals);
_rules = new List<Rule>(rules);
_distinguishedSymbol = distinguishedSymbol;
//findVanishingSymbols();
}
public Rule(Rule r)
{
_left = new Nonterminal(r.Left);
_right = new List<Symbol>(r.Right);
}
public Rule(Nonterminal left, List<Symbol> right)
{
_left = new Nonterminal(left);
_right = new List<Symbol>(right);
}
public Rule()
{
_left = new Nonterminal();
_right = new List<Symbol>();
}
public Nonterminal(Nonterminal nt)
{
_sym = nt.Sym;
}