public Datum Evaluate(Datum args)
{
var methodArgs = unwrap(args.Enumerate());
var method = type.GetRuntimeMethods().First(e => e.Name.Equals(methodName));
var result = method.Invoke(null, methodArgs);
return(result == null ? Null.Instance : DatumHelpers.atom(result));
}
public Datum Evaluate(Datum args)
{
var methodArgs = unwrap(args.Enumerate());
var result = type.InvokeMember(methodName,
BindingFlags.Public | BindingFlags.InvokeMethod | BindingFlags.Static,
null, null, methodArgs);
return(result == null ? Null.Instance : DatumHelpers.atom(result));
}
protected override Datum eval(Datum arg1, Datum arg2)
{
if ((arg1 as Pair) != null ||
(arg2 as Pair) != null)
{
return(DatumHelpers.atom(ReferenceEquals(arg1, arg2)));
}
return(DatumHelpers.atom(arg1.Equals(arg2)));
}
public static Datum Lookup(this Continuation c, string name)
{
var env = GetEnvironment(c);
if (env == null)
{
return(null);
}
Datum datum;
if (env.TryLookup(name, out datum))
{
return(datum);
}
return(DatumHelpers.atom("undefined"));
}