Re: [Chicken-users] Embedding Chicken in C++

[felix winkelmann]

On 11/7/06, Ivan Raikov <address@hidden> wrote:
> Hello,
>
>         I am trying to embed some Chicken code in a C++ application. I
> have a C++ class with a constructor that calls
> CHICKEN_intitialize(0, 0, 0, (void*)C_toplevel), and that call returns
> 0. Another method in the class subsequently makes the following call:
>
>    C_word result = C_SCHEME_UNDEFINED;
>    int status;
>    status = CHICKEN_eval_string("(repl)", &result);
>
> Unfortunately, this causes a segmentation fault. I have also tried
> calling CHICKEN_run((void*)CHICKEN_default_toplevel) in the
> constructor, and many other variations of this, but a segmentation
> fault occurs in all cases. I am using Chicken 2.3. Has anyone had a
> recent experience with embedding Chicken in a C or C++ program? My
> code is attached to this message, if anyone is interested in looking
> at it. I appreciate all and any help.

This shows a minimal example of emedding (you don't need
CHICKEN_initialize, unless you want to set specific buffer sizes):

/* gcc x.c -lchicken -o x */

int main()
{
 C_word x;

 CHICKEN_run(CHICKEN_default_toplevel);
 CHICKEN_eval_string("(print (+ 3 4))", &x);
 return 0;
}

Would it be possible for you to upgrade to a newer chicken version?
This would make it easier to figure out the problem.


cheers,
felix


--
http://galinha.ucpel.tche.br:8081/blog/blog.ssp