private Arity CalculateArity()
{
var min = ArgumentKinds.Count(a => a == ArgumentKind.Simple);
if (ArgumentKinds.Any(a => a == ArgumentKind.Key || a == ArgumentKind.KeyRest))
{
min++;
}
var max = ArgumentKinds.Any(a => a == ArgumentKind.Rest) ? int.MaxValue : min;
return(new Arity(min, max));
}
public iObject Call(iObject instance, params iObject[] arguments)
{
if (arguments.Length != ArgumentKinds.Count)
{
throw new ArgumentException(
$"{MethodName}: Number of arguments ({arguments.Length}) doesn't match expected number ({ArgumentKinds.Count})."
);
}
var bundle = new ArgumentBundle(ArgumentKinds.Zip(arguments, (kind, arg) => (kind, arg)));
CallFrame.Push(this, instance, bundle);
try
{
try
{
return(CallCache.Call());
}
catch (RecompilationRequiredException)
{
// caught while a method was being undefined.
// give a second chance to recover (which will possibly call method_missing).
return(CallCache.Call());
}
}
catch (Exception e)
{
if (!e.Data.Contains(RB_STACK_KEY))
{
e.Data[RB_STACK_KEY] = CallFrame.Current;
}
throw;
}
catch (System.Exception e)
{
if (!e.Data.Contains(RB_STACK_KEY))
{
e.Data[RB_STACK_KEY] = CallFrame.Current.CallSite.MethodName.Name;
}
throw;
}
finally
{
CallFrame.Pop();
}
}
public override string ToString()
{
var argumentKinds = string.Join(", ", ArgumentKinds.Select(_ => _.Description));
return($"CallSite<\"{MethodName}\"<{Arity}>({argumentKinds})>");
}