public static void Callcc(Arguments args, VM vm, SourceInfo info)
{
IValueFunc func = args[0] as IValueFunc;
if (func == null)
{
throw new RheaException(
string.Format("function required, but got {0}", args[0]),
info
);
}
ValueCont cont = vm.GetCont();
IList<IValue> newArgs = new List<IValue> { cont };
func.Call(newArgs, vm, info);
}
public static void DynamicWind(Arguments args, VM vm, SourceInfo info)
{
ValueCont cont = vm.GetCont();
var winder = new KeyValuePair<IValue, IValue>(args[0], args[2]);
var winders = SList.Cons(winder, vm.Winders);
Stack<IInsn> insnStack = new Stack<IInsn>();
insnStack.Push(new InsnCall(0, info));
insnStack.Push(InsnPop.Instance);
insnStack.Push(new InsnSetWinders(winders));
insnStack.Push(new InsnPush(args[1]));
insnStack.Push(new InsnCall(0, info));
insnStack.Push(new InsnCall(1, info));
vm.Insns = insnStack.ToSList();
vm.Stack = SList.List<IValue>(args[0], cont);
}