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I'm trying to write a Perl module in C++ and I've downloaded SWIG.
But I'm having trouble finding how to deal with lists. The examples I
see only deal with scalars.

Perl: C++:
------------------------------------
sub foo { 1 } => int foo() { return 1; }
sub bar { (1..10) } => ????

What code do I in C++ write if I want to return a list of integers?

Also sprach Motti Lanzkron:

> I'm trying to write a Perl module in C++ and I've downloaded SWIG.
> But I'm having trouble finding how to deal with lists. The examples I
> see only deal with scalars.
>
> Perl: C++:
> ------------------------------------
> sub foo { 1 } => int foo() { return 1; }
> sub bar { (1..10) } => ????
>
> What code do I in C++ write if I want to return a list of integers?

I don't know much about SWIG other than that I dropped it after a few
minutes of disgust when I had a look at it a couple of years ago. Does
it help if you know how you'd do it in XS? It would look like:

void
bar ()
CODE:
{
register int i;
EXTEND(SP, 10); /* make room for ten values */

for (i = 0; i < 10; i++) {
ST(i) = sv_newmortal();
sv_setiv(ST(i), i);
}

XSRETURN(10);
}

Maybe you have the time and patience to make yourself acquainted with XS
or Inline::C. It is probably more difficult at the beginning, but it has
advantages on the long run. One advantage is that you can get help much
more easily.

Tassilo
--
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pam{rekcahbus})(rekcah{lrePbus})(lreP{rehtonabus}) !JAPH!qq(rehtona{tsuJbus#;
$_=reverse,s+(?<=sub).+q#q!'"qq.\t$&."'!#+sexisexi ixesixeseg;y~\n~~dddd;eval

Tassilo v. Parseval wrote:
>Also sprach Motti Lanzkron:
>
>> I'm trying to write a Perl module in C++ and I've downloaded SWIG.
>> But I'm having trouble finding how to deal with lists. The examples I
>> see only deal with scalars.
>>
>> Perl: C++:
>> ------------------------------------
>> sub foo { 1 } => int foo() { return 1; }
>> sub bar { (1..10) } => ????
>>
>> What code do I in C++ write if I want to return a list of integers?
....
>Maybe you have the time and patience to make yourself acquainted with XS
>or Inline::C. It is probably more difficult at the beginning, but it has
>advantages on the long run. One advantage is that you can get help much
>more easily.

Unfortunately I lack the time and patience, I'll just write the whole
thing in C++ (which will probably end up taking more time ;o).