private static Expression /*!*/ PeekType(PhpRoutine routine, DynamicMetaObject scriptContext, DynamicMetaObject arg, int argIndex)
{
if (arg != null)
{
// peeks the value:
return(Expression.Convert(arg.Expression, arg.LimitType));
}
else
{
return(Expression.Block(
BinderHelper.ThrowMissingTypeArgument(argIndex, routine.FullName),
Expression.Constant(DTypeDesc.ObjectTypeDesc, Types.DTypeDesc[0])));
}
}
