public IExpression Apply(IVariable variable, IExpression[] index, DocRange variableRange)
{
// Callable
if (variable is ICallable callable)
{
Call(callable, variableRange);
}
// IIndexReferencers are wrapped by CallVariableActions.
if (variable is IIndexReferencer referencer)
{
// If the type of the variable being called is Player, check if the variable is calling Event Player.
// If the source expression is null, Event Player is used by default.
// Otherwise, confirm that the source expression is returning the player variable scope.
if (referencer.VariableType == VariableType.Player)
{
EventPlayerRestrictedCall(new RestrictedCall(RestrictedCallType.EventPlayer, _parseInfo.GetLocation(variableRange), RestrictedCall.Message_EventPlayerDefault(referencer.Name)));
}
// If there is a local variable tracker and the variable requires capture.
if (referencer.RequiresCapture)
{
_parseInfo.LocalVariableAccessed(referencer);
}
return(new CallVariableAction(referencer, index));
}
// Check value in array.
if (index != null && index.Length > 0)
{
if (!variable.CanBeIndexed)
{
Error("This variable type cannot be indexed.", variableRange);
}
else
{
return(new ValueInArrayAction(_parseInfo, (IExpression)variable, index));
}
}
// Function group.
if (variable is MethodGroup methodGroup)
{
return(new CallMethodGroup(_parseInfo, variableRange, methodGroup));
}
return((IExpression)variable);
}
void DefaultEventPlayerRestrictedCall() => _parseInfo.RestrictedCallHandler.AddRestrictedCall(
new RestrictedCall(RestrictedCallType.EventPlayer, _parseInfo.GetLocation(CallRange), RestrictedCall.Message_EventPlayerDefault(_name))
);