From: Simon Strandgaard <qj5nd7l02@...>
Date: 2003-11-20T00:17:17+09:00
Subject: Re: $& write-protected?

On Wed, 19 Nov 2003 23:24:17 +0900, ts wrote:

>>>>>> "S" == Simon Strandgaard <qj5nd7l02@sneakemail.com> writes:
> S> Great, so it *is* possible..  I will look at it tomorrow (C++SWIG).
>                                                                 ^^^^
>  no need of SWIG in this case :-)

Maybe overkill.  

My first thought were to extern 'last_match_getter' from 're.c' and
just supply my own last_match_setter.  But then I noticed the function are
are 'static'  (private).

How do you think I shall implement this ?


server> gcc assign.c -I/usr/home/neoneye/install/ruby-1.8.1
/usr/lib/crt1.o: In function `_start':
/usr/lib/crt1.o(.text+0x81): undefined reference to `main'
/var/tmp//ccu9UXrr.o: In function `Init_Assign':
/var/tmp//ccu9UXrr.o(.text+0x17): undefined reference to `last_match_getter'
/var/tmp//ccu9UXrr.o(.text+0x21): undefined reference to `rb_define_virtual_variable'
server> expand -t4 assign.c 
#include <ruby.h>

extern VALUE last_match_getter();

static void last_match_setter(VALUE val) {
    /* TODO */
}

void Init_Assign() {
    rb_define_virtual_variable("$&", last_match_getter, last_match_setter);
}
server>