[PD-dev] class_addmethod2
Miller Puckette
mpuckett at imusic1.ucsd.edu
Thu Dec 15 18:49:37 CET 2005
How about calling this "class_addv" or, possibly, "class_vmess"? I think
it's a much better design than class_addmethod and I should add it, once
we figure out the best name, to the "main" API.
cheers
Miller
On Sun, Nov 20, 2005 at 01:57:24PM -0500, Mathieu Bouchard wrote:
>
> A few days ago I added class_addmethod2 to m_class.c and m_pd.h.
>
> Its advantages over class_addmethod are:
>
> 1. it doesn't use varargs and you don't need to remember to use A_NULL
> 2. the syntax is shorter so declarations can fit in one line
> 3. it's closer to how binbuf_addv works
>
> basically, atom types are given letters:
>
> f=A_FLOAT F=A_DEFFLOAT
> s=A_SYMBOL S=A_DEFSYMBOL
> p=A_POINTER
> *=A_GIMME
> !=A_CANT (e.g. for dsp messages)
>
> so instead of writing:
>
> class_addmethod(myclass, (t_method)myclass_mymethod, gensym("mymethod"),
> A_POINTER, A_FLOAT, A_FLOAT, A_SYMBOL, A_DEFFLOAT, A_DEFFLOAT,
> A_DEFSYMBOL, A_NULL);
>
> you can write:
>
> class_addmethod2(myclass, (t_method)myclass_mymethod, gensym("mymethod"),
> "pffsFFS");
>
> and class_addmethod3 is a macro in desire.c which further abbreviates it:
>
> class_addmethod3(myclass, myclass_mymethod, "mymethod", "pffsFFS");
>
> ____________________________________________________________________
> Mathieu Bouchard - t?l:+1.514.383.3801 - http://artengine.ca/matju
> Freelance Digital Arts Engineer, Montr?al QC Canada
>
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