internal override void Execute(ref int ip, ValueStack valueStack, EnvironmentStack envStack, CallStack callStack)
{
envStack.Pop();
int oldIp = callStack.GetLastIp();
callStack.Pop();
object target = valueStack.GetFromTop(NumberOfPushedArguments);
if (target is IP)
{
callStack.Push(oldIp, NumberOfPushedArguments);
ip = ((IP)target).Value;
return;
}
if (target is Closure)
{
Closure c = (Closure)target;
foreach (var value in c.ClosedOverValues) valueStack.Push(value);
callStack.Push(oldIp, NumberOfPushedArguments + c.ClosedOverValues.Count);
ip = c.Target;
return;
}
throw new exceptions.RuntimeException("Invalid CALL target");
}
internal override void Execute(ref int ip, ValueStack valueStack, EnvironmentStack envStack, CallStack callStack)
{
envStack.Pop();
ip = callStack.GetLastIp();
callStack.Pop();
}
