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

[Dominick Samperi]

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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