// NOTE: This is one ugly piece of internal hackery.
// Needed for nil and t for now.
public void InternSpecial(string name, Symbol symbol)
{
if (symbols.ContainsKey(name))
symbols[name] = symbol;
else
symbols.Add(name, symbol);
}
public Symbol Intern(string name)
{
// TODO This is not quite elegant. Maybe a hash table? Any better ideas?
Symbol symbol;
if (Reader.TryGetSpecialSymbol(name, out symbol) || symbols.TryGetValue(name, out symbol))
return symbol;
symbol = new Symbol(name);
symbols.Add(name, symbol);
return symbol;
}
public static bool TryGetSpecialSymbol(string name, out Symbol symbol)
{
return SpecialSymbols.TryGetValue(name, out symbol);
}