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From: Kura <kuraitou@gmail.com>
Subject: Re: Upcasting interfaces with CPP convention in GNAT
Date: Thu, 2 Nov 2023 08:08:24 -0700 (PDT)	[thread overview]
Message-ID: <1709521b-d44d-4a2e-8833-cb642e706954n@googlegroups.com> (raw)
In-Reply-To: <ui0an7$27m9p$1@dont-email.me>

On Thursday, November 2, 2023 at 10:11:55 AM UTC-4, J-P. Rosen wrote:
> Le 02/11/2023 à 13:20, Kura a écrit : 
> > type IBase is interface; 
> > pragma Convention (C_Plus_Plus, IBase); 
> > type IBase_Ptr is access all IBase'Class; 
> > 
> > type IDerived is interface and IBase; 
> > pragma Convention (C_Plus_Plus, IDerived); 
> > type IDerived_Ptr is access all IDerived'Class;
> I don't know if this is the cause of your problem, but you should give 
> convention C_Plus_Plus to the pointer types too (IBase_Ptr and 
> IDerived_Ptr). 

That did not solve my problem, but thank you for the tip.

  reply	other threads:[~2023-11-02 15:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-02 12:20 Upcasting interfaces with CPP convention in GNAT Kura
2023-11-02 14:11 ` J-P. Rosen
2023-11-02 15:08   ` Kura [this message]
2023-11-03 21:13     ` Kura
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