Re: C Function with variable number of parameters

  On 7/28/2010 5:04 AM, Nigel Atkinson wrote:
> Hi Markus,
>
> I think perhaps the simplest way would be to register this particular
> function using Lua functionality directly.  You could still use
> luabind::object::from_stack within the function.
>
> I.e.
>
> int dispatch( lua_State *L );
>
> and
>
> http://www.lua.org/manual/5.1/manual.html#lua_register
>
> Nigel
>
>
> On Tue, 2010-07-27 at 15:51 +0200, Markus Klotzbuecher wrote:
>> Hi,
>>
>> I have a (dispatching) C function (not an ANSI C varargs) which
>> depending on the first parameter requires a variable number of
>> additional parameters. I currently solve this by registering functions
>> with arity 0 to 4 taking luabind::objects. What I would like to do is
>> register only one function with one arg which then can inspect the
>> stack using lua_gettop and call luabind::object::from_stack to get the
>> remaining arguments. What prevents this however, is luabind checking
>> for the exact number of parameters and complaining "No matching
>> overloads found". Does anybody know how to solve this?
>>
>> Thanks in advance!
>> Markus
>>
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>
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But if its not a Luabind function, then C++ exceptions can pass through it.

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