Re: luabind with boost::signals error

You should not do that.


On 2/15/11, Szymon Gatner <[email protected]> wrote:
> Hi,
>
> I am trying to use luabind::object as a slot for boost::signal.
>
> This code is perfectly fine:
>
>   boost::signal<void(const std::string&)> sig;
>
>   luabind::object slot = globals(lua)["slot"];
>
>   sig.connect(slot);
>
>   sig("signal call");
>
> but a call to:
>
>  sig.disconnect(slot);
>
> throws a std::runtime_error("Trying to use unregistered class");
>
> call stack:
>
>  	KernelBase.dll!7717b727() 	
>  	[Frames below may be incorrect and/or missing, no symbols loaded for
> KernelBase.dll]
>  	KernelBase.dll!7717b727() 	
>  	msvcr90d.dll!_CxxThrowException(void * pExceptionObject=0x0020ece4,
> const _s__ThrowInfo * pThrowInfo=0x00e18090)  Line 161	C++
>>	playground.exe!luabind::detail::make_instance<std::auto_ptr<boost::function<void
>> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> > const &)> > >(lua_State * L=0x000c01c0,
>> std::auto_ptr<boost::function<void
>> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> > const &)> > p=auto_ptr {...})  Line 80 + 0x41 bytes	C++
>  	playground.exe!luabind::detail::make_pointee_instance<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> >(lua_State * L=0x000c01c0, boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> & x={...}, boost::mpl::bool_<0> __formal={...},
> boost::mpl::bool_<0> __formal={...})  Line 183 + 0x21 bytes	C++
>  	playground.exe!luabind::detail::make_pointee_instance<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)>,boost::mpl::bool_<1> >(lua_State * L=0x000c01c0,
> boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> & x={...}, boost::mpl::bool_<1> __formal={...})  Line 195
> + 0x25 bytes	C++
> 	playground.exe!luabind::detail::value_converter::apply<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> >(lua_State * L=0x000c01c0, boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> x={...})  Line 281 + 0x1d bytes	C++
>  	playground.exe!luabind::detail::push_aux<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> const ,luabind::detail::default_policy>(lua_State *
> interpreter=0x000c01c0, const boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> & value={...}, luabind::detail::default_policy *
> __formal=0x00000000)  Line 73	C++
>  	playground.exe!luabind::detail::push<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> const ,luabind::detail::null_type>(lua_State *
> interpreter=0x000c01c0, const boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> & value={...}, const luabind::detail::null_type &
> __formal={...})  Line 83 + 0xf bytes	C++
>  	playground.exe!luabind::detail::push<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> const >(lua_State * interpreter=0x000c01c0, const
> boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> & value={...})  Line 89 + 0x1c bytes	C++
>  	playground.exe!luabind::adl::operator==<boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)>,luabind::adl::object>(const boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> & lhs={...}, const luabind::adl::object & rhs={...})  Line
> 214 + 0xc9 bytes	C++
> 	playground.exe!boost::signal1<void,std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &,boost::last_value<void>,int,std::less<int>,boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> >::do_disconnect<luabind::adl::object>(const
> luabind::adl::object & f={...}, boost::mpl::bool_<0> __formal={...})
> Line 242 + 0xd bytes	C++
> 	playground.exe!boost::signal1<void,std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &,boost::last_value<void>,int,std::less<int>,boost::function<void
> __cdecl(std::basic_string<char,std::char_traits<char>,std::allocator<char>
>> const &)> >::disconnect<luabind::adl::object>(const
> luabind::adl::object & t={...})  Line 225	C++
>  	playground.exe!main()  Line 144	C++
>  	playground.exe!__tmainCRTStartup()  Line 586 + 0x19 bytes	C
>  	playground.exe!mainCRTStartup()  Line 403	C
>  	kernel32.dll!759f3677() 	
>  	ntdll.dll!77a89f02() 	
>  	ntdll.dll!77a89ed5()
>
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-- 
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*Regards,
Linker Lin
[email protected]*

------------------------------------------------------------------------------
The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
Pinpoint memory and threading errors before they happen.
Find and fix more than 250 security defects in the development cycle.
Locate bottlenecks in serial and parallel code that limit performance.
http://p.sf.net/sfu/intel-dev2devfeb