Re: [Vala] Mixing C with vala

[rastersoft <raster rastersoft com>]

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Hi:

If I can do a sugestion, try to use Autovala to automagically generate
cmake files. It allows to easily mix C and Vala too.

On 23/09/15 22:16, Daniel Brendle wrote:
> Hi guys.
>
> I want to use Vala together with C, in order to do some lowlevel
> manual memory management stuff in a certain subsystem of my program.
> At first i tried writing g-object boilerplate-code myself, but it was
> a bit cumbersome, so i decided to write a class in vala and let the
> vala compiler generate the boilerplate-code for me. (I obtained the c
> file via -C and the headerfile via -h)
>
> currently i have 4 files involved:
>
> main.vala
> nsp-page.c
> nsp-page.h
> nsp.vapi
>
> main.vala has a simple main-method and creates a Nsp.Page. nsp-page.c
> and nsp-page.h contain the gobject-code for the Nsp.Page class.
> nsp.vapi describes the Nsp.Page-class towards the vala compiler.
>
> I try to compile everything with
>
> $ valac -X -I. --vapidir . --pkg nsp main.vala nsp-page.c
>
> Now the following problem arises:
>
>
> main.vala.c:(.text+0x8b): undefined reference to `nsp_page_unref'
>
> Of course, the C-code generated from main.vala tries to unreference
> the generated Page-object. This method does not exist anywhere. When i
> write Nsp.Page as regular vala-class, main.c tries to derefence the
> Page-object via g_object_unref() instead of some class-specific method
> that doesn't exist.
>
> What am I doing wrong here?
>
> Yours, Grindhold
> _______________________________________________
> vala-list mailing list
> vala-list gnome org
> https://mail.gnome.org/mailman/listinfo/vala-list

- -- 
Nos leemos
                 RASTER    (Linux user #228804)
raster rastersoft com              http://www.rastersoft.com

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