public static Completion EvaluateCall(IValue func, IValue @ref, Arguments arguments, bool tailCall)
{
IValue thisValue;
if (@ref is ReferenceValue reference)
{
if (reference.IsPropertyReference())
{
thisValue = reference.GetThisValue();
}
else
{
if (!(reference.baseValue is EnvironmentRecord envRec))
{
throw new InvalidOperationException("Utils.EvaluateCall: reference.baseValue is not a recognized IReferenceable");
}
thisValue = envRec.WithBaseObject();
}
}
else
{
thisValue = UndefinedValue.Instance;
}
var argList = arguments.ArgumentListEvaluation();
if (argList.IsAbrupt())
{
return(argList);
}
if (!(func is Callable functionObject))
{
return(Completion.ThrowTypeError("Utils.EvaluateCall: func must be a function object."));
}
if (tailCall)
{
throw new NotImplementedException("Utils.EvaluateCall: tail calls not implemented");
}
return(functionObject.Call(thisValue, argList.Other));
}
