On Tue, 01 May 2012, tobi wrote:
> Hi,
>
> I promptly get a segfault when I try to create an instance of my extended
> Variant[]:
>
> .src/Variant[].class
> --8<---------
> ' Gambas class file
>
> Export
>
> Public Sub _compare(hV As Variant[]) As Integer
> Return 0
> End
> --8<---------
>
> .src/MMain.module
> --8<---------
> ' Gambas module file
>
> Public Sub Main()
> Dim hV As New Variant[]
> End
> --8<---------
>
> I hope that it's possible to override native classes?
>
> Regards,
> Tobi
Oh, I should look first and then post...
Segfault comes from
gbx_class.c:1358:
array_type->array_class = class;
but before that in the same function:
CLASS *array_type = (CLASS *)class->array_type;
and look at:
(gdb) print class->array_type
$2 = 12
which is GB_T_VARIANT, as supposed to be since I exported a Variant[].
I think creating that as a pointer is a bug. (Creating arrays of native
datatypes not expected?)
The article about Gambas object model says that gb.qt Application extends gb
Application so, I am
allowed to extend native classes!
Regards,
Tobi
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