public CallFrame(CallSite callSite,
iObject instance,
ArgumentBundle arguments = null,
CallFrame caller = null)
{
CallSite = callSite;
Instance = instance;
Caller = caller ?? Current;
Arguments = arguments ?? new ArgumentBundle();
Locals = new LinkedDictionary <Symbol, LocalVariable>();
}
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 static void Pop() => Current = Current?.Caller;
public static void Push(CallFrame other)
{
other.Caller = Current;
Current = other;
}
public static CallFrame Push(CallSite callSite,
iObject instance,
ArgumentBundle arguments = null)
=> Current = new CallFrame(callSite, instance, arguments);