[flext] Basic question about ADDMETHOD

[Thomas Grill]

Yes, FLEXT_ADDMETHOD_ adapts to the arguments.
Nevertheless surprising that there is no explicit FLEXT_ADDMETHOD_S ;-)
gr~~~

> Am 14.01.2016 um 15:15 schrieb Matthias Geier <matthias.geier at gmail.com>:
> 
> Hi Martin.
> 
> I think the problem with your code seems to be that
> FLEXT_ADDMETHOD_S() doesn't exist (at least I didn't find it in the
> header files).
> 
> You should probably try FLEXT_ADDMETHOD_() instead?
> 
> And then, as Thomas suggested, you should probably change to
> FLEXT_CADDMETHOD_() used in a static member function defined by
> 
>    static void setup(t_classid c) { ... }
> 
> Is that correct, Thomas?
> 
> cheers,
> Matthias
> 
> On Thu, Jan 14, 2016 at 3:11 PM, Thomas Grill <gr at grrrr.org> wrote:
>> Hi Martin,
>> the difference is that ADDMETHOD is used for per-instance methods (they are typically set in the constructur, as you did), whereas CADDMETHOD is for per-class static functions (those are set in a class setup function).
>> Actually, the use of per-instance methods is not encouraged and will not be supported any longer in future flext versions.
>> best, Thomas
>> 
>>> Am 14.01.2016 um 06:02 schrieb Martin Jaroszewicz <temporum at gmail.com>:
>>> 
>>> Dear forum,
>>> 
>>> I'm new to Flext, and haven't coded in C++ in a long time. I'm trying to make the code below compile but get the following error:
>>> 
>>> error: reference to non-static member function must be called
>>> FLEXT_ADDMETHOD_S(0,"read",m_read);
>>> 
>>> Also can someone clarify the difference between the two ways to register methods (ADDMETHOD and CADDMETHOD) ? Does this have to do with passing pointers as arguments (?). Code below
>>> I'm trying to read a text file into a vector. This is the first step.
>>> 
>>> '''
>>> #include <flext.h>
>>> 
>>> #if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 400)
>>> #error You need at least flext version 0.4.0
>>> #endif
>>> 
>>> class hello:
>>> 
>>>      public flext_base
>>> {
>>> 
>>>      FLEXT_HEADER(hello,flext_base)
>>> 
>>> public:
>>> 
>>>    hello();
>>> 
>>> protected:
>>> 
>>>    void m_read(t_symbol *argument);
>>> 
>>> private:
>>> 
>>>    FLEXT_CALLBACK_S(m_read)
>>> };
>>> 
>>> FLEXT_NEW("hello",hello)
>>> 
>>> 
>>> hello::hello() {
>>> 
>>> 
>>>    AddInAnything();
>>> 
>>>    FLEXT_ADDMETHOD_S(0,"read",m_read);
>>> 
>>> }
>>> 
>>> void hello::m_read(t_symbol *argument) {
>>>    post("reading argument: %s)",GetString(argument));
>>> 
>>> }
>>> '''
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>>> 
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>> 
>> 
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