public SymbolList SkipFirst()
{
SymbolList s = new SymbolList();
s.AddRange(this.Skip(1));
return(s);
}
public RuleProduction AddRule(int idSource, params Symbol[] destiny)
{
SymbolList sl = new SymbolList();
sl.AddRange(destiny);
return(AddRule(idSource, sl));
}
public SymbolList Replace(Symbol sym1, Symbol sym2)
{
SymbolList returns = new SymbolList();
returns.AddRange(this.Select(s => s.Copy()));
for (int i = 0; i < returns.Count; i++)
{
if (returns[i] == sym1)
{
returns[i] = sym2.Copy();
}
}
return(returns);
}
public SymbolList RemoveFirst(Symbol sym1)
{
SymbolList returns = new SymbolList();
returns.AddRange(this.Select(s => s.Copy()));
for (int i = 0; i < returns.Count; i++)
{
if (returns[i] == sym1)
{
returns.RemoveAt(i);
return(returns);
}
}
return(returns);
}