Re: Re: "foo" + TString("bar") fails: can not call private or protected function TImage::TImage(char*)

Hi Nick,

This problem is resolved by revision 29747.

Thanks for reporting this issue.
Philippe.

Fons Rademakers wrote:
> Interesting ;-) The TImage.h has:
>
> friend TImage operator+(const TImage &i1, const TImage &s2);
>
> and
>
> protected:
> TImage(const char *file) : TNamed(file, "") { }
>
> it seems that CINT is trying to convert "foo" to a TImage using
> TImage(const char*) to be able to do the + using
>
> TImage operator+(const TImage &i1, const TImage &s2);
>
>
> Clearly a problem for our CINT guys, Philippe and Axel.
>
> Cheers, Fons.
>
>
>
> Nick West wrote:
>> Dear RootTalk,
>>
>> First, forgive this multiple posting, but I sent this last Friday and
>> have not yet seen it posted to
>> the list so I am sending this again.
>>
>> We in MINOS have come across a CINT parsing problem that can be
>> demonstrated with the following lines:-
>>
>> #include "TImage.h"
>> "foo" + TString("bar")
>>
>> which fails:-
>>
>> Error: can not call private or protected function (tmpfile):1:
>>
>> /data/minos/minos/software/OO/minos_packs_sl4/root_svn_1/root/lib/libGra
>> f.so -1 TImage TImage::TImage(const char*);
>> Calling : TImage::TImage(char*);
>> Match rank: file line signature
>> ffffffff
>> /data/minos/minos/software/OO/minos_packs_sl4/root_svn_1/root/lib/libGra
>> f.so -1 TImage TImage::TImage(UInt_t,UInt_t);
>> ffffffff
>> /data/minos/minos/software/OO/minos_packs_sl4/root_svn_1/root/lib/libGra
>> f.so -1 TImage TImage::TImage(const TImage&);
>> ffffffff
>> /data/minos/minos/software/OO/minos_packs_sl4/root_svn_1/root/lib/libGra
>> f.so -1 TImage TImage::TImage();
>> * 1
>> /data/minos/minos/software/OO/minos_packs_sl4/root_svn_1/root/lib/libGra
>> f.so -1 TImage TImage::TImage(const char*);
>> (class TString)143523640
>> *** Interpreter error recovered ***
>>
>> This is with the current ROOT head, gcc version 3.4.6 Scientific Linux
>> SL release 4.8.
>>
>> As recently as July 28 the code correctly produced:-
>>
>> (class TString)"foobar"
>>
>> and I think the problem commit must have occurred within a day as my
>> build on the 29th failed, but for a variety of reasons I did not follow
>> it up until the last few days.
>>
>> Cheers,
>>
>> Nick West
>>
>
Received on Tue Aug 11 2009 - 06:19:58 CEST