From: ts <decoux@...>
Date: 2008-03-02T18:03:18+09:00
Subject: Re: bootstrap/test_knownbug.rb

>>>>> "t" == ts  <decoux@moulon.inra.fr> writes:

 I've forgotten to say : [ruby-bug:17846] for qtruby is just a call to
 super from a C extension

vgs% cat a.c
#include <ruby.h>

static VALUE
a_method_missing(int argc, VALUE *argv, VALUE obj)
{
    return Qnil;
}

static VALUE
a_a(int argc, VALUE *argv, VALUE obj)
{
    return rb_call_super(argc, argv);
}

void Init_a()
{
    VALUE a_cA, a_cB;

    a_cA = rb_define_class("A", rb_cObject);
    rb_define_method(a_cA, "method_missing", a_method_missing, -1);
    a_cB = rb_define_class("B", a_cA);
    rb_define_method(a_cB, "a", a_a, -1);
}
vgs%
 
vgs% ruby -ra -e 'B.new.a'
DBG> : #<B:0xb7d5a914>
DBG> : A
DBG> : a
-e:1: [BUG] vm_call_super: not found
ruby 1.9.0 (2008-03-02 revision 15670) [i686-linux]

-- control frame ----------
c:0004 p:---- s:0009 b:0009 l:000008 d:000008 CFUNC  :a
c:0003 p:0019 s:0006 b:0006 l:000005 d:000005 TOP    -e:1
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH :inherited
c:0001 p:0000 s:0002 b:0002 l:000001 d:000001 TOP    <dummy toplevel>:17
---------------------------
DBG> : "-e:1:in `<main>'"
-- backtrace of native function call (Use addr2line) --
0x80f594a
0x811505c
0x81150cb
0x80f4cf2
0xb7fdb5b4
0x80ebfc6
0x80f41db
0x80efdd0
0x80f34b9
0x80f37dd
0x805d2e8
0x806132a
0x805ad80
0xb7e1f050
0x805acb1
-------------------------------------------------------
Aborted (core dumped)
vgs% 


Guy Decoux