[Rcpp-devel] object '.pointer' not found

[Andrew Redd]

I have a default constructor.
-Andrew

On Thu, Dec 2, 2010 at 12:34 PM, Dominick Samperi <djsamperi at gmail.com>wrote:

>
>
> On Thu, Dec 2, 2010 at 2:31 PM, Andrew Redd <amredd at gmail.com> wrote:
>
>> That exposes the data3 class, but does not solve the pointer problem.
>
>
> Add a default contructor.
>
>
>>
>>
>> On Thu, Dec 2, 2010 at 12:24 PM, Romain Francois <
>> romain at r-enthusiasts.com> wrote:
>>
>>> Le 02/12/10 20:05, Andrew Redd a écrit :
>>>
>>>  I updated to the new Rcpp 0.8.9 then added a new function to my class.
>>>>  It compiles fine the Module is found and loads the class definition
>>>> seems to be there, but when I try to create a instance of the class I
>>>> get the error:
>>>>
>>>> R> new(Module("GPU_BAYES",'gpuBayes')$data3)
>>>> Error in get(".pointer", envir = env) : object '.pointer' not found
>>>>
>>>> Any Ideas what might be wrong here?  That's a rather vague error.  The
>>>> traceback gives
>>>>
>>>>  > traceback()
>>>> 3: get(".pointer", envir = env)
>>>> 2: function (object)
>>>>    standardGeneric("show")(<S4 object of class "Rcpp_data3">)
>>>> 1: function (object)
>>>>    standardGeneric("show")(<S4 object of class "Rcpp_data3">)
>>>>
>>>>
>>>> Thanks,
>>>> Andrew
>>>>
>>>
>>> In the Rcpp-modules vignette, that has been considerably updated in the
>>> last version of Rcpp (part of the 8661 new lines of code), we suggest to
>>> have this in your .onLoad:
>>>
>>> # grab the namespace
>>> NAMESPACE <- environment()
>>>
>>> .onLoad <- function(libname, pkgname){
>>>        # load the module and store it in our namespace
>>>        yada <- Module( "GPU_BAYES" )
>>>        populate( yada, NAMESPACE  )
>>> }
>>>
>>> and the "data3" class is directly exposed in the namespace of your
>>> package, so that you can do:
>>>
>>> new( data3 )
>>>
>>> Does that work ?
>>>
>>>
>>> Otherwise, maybe you can try adding mustStart = TRUE to the call to
>>> Module.
>>>
>>> --
>>> Romain Francois
>>> Professional R Enthusiast
>>> +33(0) 6 28 91 30 30
>>> http://romainfrancois.blog.free.fr
>>> |- http://bit.ly/hovakS : RcppGSL initial release
>>> |- http://bit.ly/iaxTdO : parser 0.0-12
>>> `- http://bit.ly/gnCl01 : Rcpp 0.8.9
>>>
>>>
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>>
>>
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>
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