Re: [ROOT] Re: ClassDef statement is ignored...

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Fri Jun 20 2003 - 16:46:46 MEST 

John, it must be INSIDE the class definition.

-- Fons


On Fri, 2003-06-20 at 16:18, Dr. John Krane wrote:
>   Sorry, the actual error stream shows that ClassDef is *failing*, not 
> that it is ignored:
> 
> Error in <ObjDate>: ObjDate inherits from TObject but does not have its 
> own ClassDef
> In file included from /home/jkrane/treemaker/ObjDate.cpp:2,
>                  from /home/jkrane/treemaker/tfe4_16.h:29,
>                  from /home/jkrane/treemaker/tfe4_16.cxx:13:
> /home/jkrane/treemaker/ObjDate.h:10: parse error before `public'
> /home/jkrane/treemaker/ObjDate.h:10: virtual outside class declaration
> /home/jkrane/treemaker/ObjDate.h:10: non-member function `TClass* IsA()' 
> cannot
>    have `const' method qualifier
> /home/jkrane/treemaker/ObjDate.h: In function `TClass* IsA()':
> /home/jkrane/treemaker/ObjDate.h:10: `ObjDate' undeclared (first use this
>    function)
> /home/jkrane/treemaker/ObjDate.h:10: (Each undeclared identifier is 
> reported
>    only once for each function it appears in.)
> /home/jkrane/treemaker/ObjDate.h:10: parse error before `::' token
> /home/jkrane/treemaker/ObjDate.h:10: warning: no return statement in 
> function
>    returning non-void
> /home/jkrane/treemaker/ObjDate.h: At global scope:
> /home/jkrane/treemaker/ObjDate.h:10: virtual outside class declaration
> /home/jkrane/treemaker/ObjDate.h:10: virtual outside class declaration
> /home/jkrane/treemaker/ObjDate.h: In function `void
>    StreamerNVirtual(TBuffer&)':
> /home/jkrane/treemaker/ObjDate.h:10: parse error before `::' token
> /home/jkrane/treemaker/ObjDate.h: At global scope:
> /home/jkrane/treemaker/ObjDate.h:12: `struct ObjDate' used prior to 
> declaration
> In file included from /home/jkrane/treemaker/tfe4_16.h:29,
>                  from /home/jkrane/treemaker/tfe4_16.cxx:13:
> 
> 
> -----------------------
> 
> Hi,
> 
> Has anybody had the problem where ClassDef is correctly in your class 
> but it is completely ignored by root?  When I .L ObjDate.cpp, I get
> 
> Error in : ObjDate inherits from TObject but does not have its 
> own ClassDef
> 
> ...but it does!  From my header:
> 
> #ifndef ObjDate_H
> #define ObjDate_H
> #include "TObject.h"
> // define as v1
> ClassDef(ObjDate,1)
> class ObjDate : public TObject {
>   public:
>    ObjDate();
> 
> ...etc.
> 
> Could there be any reason for this behavior?
> 
>   	- John
-- 
Org:    CERN, European Laboratory for Particle Physics.
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E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
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