Re: [Opencxx-users] inherited metaclasses conflict

[Grzegorz J. <ja...@he...>]

On Mon, 4 Aug 2003, yang qu wrote:

> Hi!

> I believe the problem comes from "Template Specilization". In the code
> that I attached, the template class Buffer has a general declaration
> and a specialized declaration. the class "IntBuffer" has two parents
> classes. one is the specialized "Buffer", and another is the normal
> class "TestObject". The occ failed when it detected that the two
> parent classes have different Metaclass names, namely "TemplateClass"
> and "Class".

Yes.

> should this bug be fixed somehow?

Yes, but I don't see any quick fix. If you would like to get down to this
I can advice where to look etc.

Best regards
Grzegorz

> best regards
> --yang
>
> ---------------------------------  a simple test code ----------------------
>
> class Mem{
>
> public:
>
> virtual int name() =0;
>
> };
>
> template<class C> class Buffer : virtual public Mem{
>
> public:
>
> int name(){return 0;}
>
> C get(int);
>
> void set(C, int);
>
> int size();
>
> private:
>
> C data[10];
>
> };
>
>
>
> template<> class Buffer<int>: virtual public Mem{
>
> public:
>
> int name(){return 1;};
>
> int get(int);
>
> void set(int,int);
>
> int size();
>
> private:
>
> int data[10];
>
> };
>
> class BasicObject{
>
> };
>
> class TestObject : public BasicObject{
>
> public:
>
> virtual int type(){return 1;}
>
> };
>
> class IntBuffer : public Buffer<int>, public TestObject{
>
> public:
>
> int type(){return 10;}
>
> };
> ---------------------------------------------------
>
> Grzegorz Jakacki <ja...@he...> wrote:
> On Fri, 1 Aug 2003, yang qu wrote:
>
> > Hi!
> > when I was applying the openc++ on a set of regular
> > C++ codes that can be successfully compiled using
> > gcc3.2, I got the following error message: "inherited
> > metaclasses conflict: test_class". the "test_class"
> > and all of its parents classes are regular C++
> > classes. No meta-level classes are defined in the
> > codes. Could someone tells me what might cause the
> > problem?
>
> Could you post the offending code (preferably stripped from irrelevant
> details)?
>
> BR
> Grzegorz
>
> > thank you in advance!
> > best regards
> > --yang
> >
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>
> ##################################################################
> # Grzegorz Jakacki Huada Electronic Design #
> # Senior Engineer, CAD Dept. 1 Gaojiayuan, Chaoyang #
> # tel. +86-10-64365577 x2074 Beijing 100015, China #
> # Copyright (C) 2002 Grzegorz Jakacki, HED. All Rights Reserved. #
> ##################################################################
>
>
>
> ---------------------------------
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##################################################################
# Grzegorz Jakacki                       Huada Electronic Design #
# Senior Engineer, CAD Dept.              1 Gaojiayuan, Chaoyang #
# tel. +86-10-64365577 x2074               Beijing 100015, China #
# Copyright (C) 2002 Grzegorz Jakacki, HED. All Rights Reserved. #
##################################################################