> On Jan 17, 2022, at 1:55 PM, Sven Barth wrote:
>
> Question then is how you get the VMT address as a constant at compile time.
>
> I'll need to get back to you with that.
>
I didn't test yet but I think what you're saying is that VMT writer would need
to have generated this address in ad
Ryan Joseph via fpc-pascal schrieb am
Mo., 17. Jan. 2022, 02:38:
>
>
> > On Jan 16, 2022, at 11:15 PM, Sven Barth
> wrote:
> >
> > The class type already is a unique "ID" for each class type when doing
> an equal comparison. You can essentially take the address of the VMT as the
> constant value
> On Jan 16, 2022, at 11:15 PM, Sven Barth wrote:
>
> The class type already is a unique "ID" for each class type when doing an
> equal comparison. You can essentially take the address of the VMT as the
> constant values that the loaded value is compared against.
Does that look something lik
Am 16.01.2022 um 15:25 schrieb Ryan Joseph via fpc-pascal:
On Jan 16, 2022, at 9:01 PM, Ryan Joseph wrote:
case PtrUInt(o.ClassType) of
4500656856: writeln('TObject');
end;
I may have spoken too soon and without thinking the through clearly (it's
getting late here!). For this to wor
> On Jan 16, 2022, at 9:01 PM, Ryan Joseph wrote:
>
> case PtrUInt(o.ClassType) of
>4500656856: writeln('TObject');
> end;
I may have spoken too soon and without thinking the through clearly (it's
getting late here!). For this to work we would need a unique ID in the RTTI,
right? I don
> On Jan 16, 2022, at 8:18 PM, Ryan Joseph wrote:
>
> https://gitlab.com/genericptr/free-pascal/-/commits/case_label_classref
I just realized too late that the way I implemented this may be not the best
idea. If the class type had an ordinal representation then you could use a
normal case st
> On Jan 16, 2022, at 8:38 PM, Marco van de Voort via fpc-pascal
> wrote:
>
> What does it print in this case? I mean tobject matches, and
> tinterfacedobject too.
>
> The most logic solution would be to only run the most specialized case?
It would print the name of the class if it didn't e
On 16-1-2022 14:18, Ryan Joseph via fpc-pascal wrote:
I had some fun today on my day off and managed to actually implement this based
on the if-statement based string case labels. Is the compiler team interested
in this feature? I think it's a clearly useful addition to OOP and an
appropriate
I had some fun today on my day off and managed to actually implement this based
on the if-statement based string case labels. Is the compiler team interested
in this feature? I think it's a clearly useful addition to OOP and an
appropriate new use of the case statement.
https://gitlab.com/gener
> On Jan 16, 2022, at 2:35 PM, Michael Van Canneyt via fpc-pascal
> wrote:
>
>
> They are.
>
> No "is", because then the order of the label will start to matter, and that
> runs contrary
> to the case statement's intent.
oh of course they are, I don't know why I forgot that. :P
Regards,
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