Hi, Forget my last message. I already found out again that 'the defines' don't add any datamembers. Only TObject does. I do think though that THtml should not crash on these cases (at the minimum just an error message reporting that the doc for OTABCDerived can't be created because no RTTI for OTABC availiable, or something) Rutger ---------- Forwarded message ---------- Date: Thu, 29 Oct 1998 22:11:01 +0100 (MET) From: Rutger van der Eijk <r36@sigyn.nikhef.nl> To: ROOT mailing list <roottalk@root.cern.ch> Subject: THtml for interface abstract base class Hi ROOTers, I'm trying to use documentation generator class THtml to generate doc. The code generation crashes on a class which is derived from an abstract base class (i.e. no datamebers). simple example: ------- class OTABC { private: public: // Destructor virtual ~OTABC(); // ... virtual void SetXXX(UInt_t xxx) = 0; virtual UInt_t GetXXX() const = 0; }; and class OTABCDerived: public OTABC { private: // OTABC member UInt_t fxxx; // xxx datamember public: // Constructor & destructor OTABCDerived(); virtual ~OTABCDerived(); // OTABC members virtual void SetXXX(UInt_t xxx); virtual UInt_t GetXXX() const; // other members ClassDef(OTABCDerived, 1) // OTABCDerived class }; gives a crash if trying to make doc for OTABCDerived. I don't want to use the ClassDef for OTABC because (as far as I know) this gives OTABC datamembers which an ABC should not have. How to proceed? Rutger van der Eijk
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