public override Continuation Evaluate(Continuation c, LexicalEnvironment env, Datum args)
{
return c.PushResult(evaluate(c, args));
}
public override Continuation Evaluate(Continuation c, Datum args)
{
return c.PushResult(function.Evaluate(args));
}
public override Continuation Evaluate(Continuation c, Environment env, Datum args)
{
return c.PushResult(env.ToAtom());
}
public override Continuation Evaluate(Continuation c, LexicalEnvironment env, Datum args)
{
var p = args as Pair;
c = c.PushEnv(env).PushTask(new EvaluateExpansion(this, p));
// Optimization - if this macro has been expanded on this Datum before,
// use the same expansion.
// See "macro-cache-in-datum" unit test for a demonstration of why
// we need to check against "this" also.
if(p != null)
{
var cachedPair = p.Cache as Pair;
if(cachedPair != null && ReferenceEquals(cachedPair.First, this))
return c.PushResult(cachedPair.Second);
}
c.Statistics.Expansions++;
return argFunction.Evaluate(c, args);
}
public override Continuation Evaluate(Continuation c, Datum args)
{
return(c.PushResult(function.Evaluate(args)));
}
public override Continuation Evaluate(Continuation c, Environment env, Datum args)
{
var datumArgs = args.ToArray();
if (datumArgs.Length != 1)
throw c.error("Ref expect 1s arguments. {0} passed", datumArgs.Length);
var assemblyName = datumArgs[0].CastIdentifier();
var assembly = Assembly.Load(assemblyName);
// Keep a hash set to avoid adding things twice.
// Overload resolution is (hopefully) handled by
// InvokeMethod.
var symbols = new HashSet<object>();
// Add all static methods
foreach (var t in assembly.GetTypes())
{
// Make each type have a symbol in the environment also.
env.Define(t.FullName, t.ToAtom());
foreach (var mi in t.GetMethods())
{
var symbol = string.Format("{0}.{1}", t.FullName, mi.Name);
if (mi.IsStatic && symbols.Add(symbol))
env.Define(symbol, new StaticMethod(t, mi.Name).ToStack());
}
}
return c.PushResult(DatumHelpers.nil);
}