/* this routine is called when a new "object" is requested whose class Pd
doesn't know. Pd tries to load it as an extern, then as an abstraction. */
void new_anything(void *dummy, t_symbol *s, int argc, t_atom *argv)
{
t_pd *current;
int fd;
char dirbuf[MAXPDSTRING], *nameptr;
if (tryingalready) return;
newest = 0;
class_loadsym = s;
if (sys_load_lib(canvas_getcurrent(), s->s_name))
{
tryingalready = 1;
typedmess(dummy, s, argc, argv);
tryingalready = 0;
return;
}
class_loadsym = 0;
current = s__X.s_thing;
if ((fd = canvas_open(canvas_getcurrent(), s->s_name, ".pd",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0 ||
(fd = canvas_open(canvas_getcurrent(), s->s_name, ".pat",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0)
{
close (fd);
if (!pd_setloadingabstraction(s))
{
canvas_setargs(argc, argv);
binbuf_evalfile(gensym(nameptr), gensym(dirbuf));
if (s__X.s_thing != current)
canvas_popabstraction((t_canvas *)(s__X.s_thing));
canvas_setargs(0, 0);
}
else error("%s: can't load abstraction within itself\n", s->s_name);
}
else newest = 0;
}
/* this routine is called when a new "object" is requested whose class Pd
doesn't know. Pd tries to load it as an extern, then as an abstraction. */
void new_anything(void *dummy, t_symbol *s, int argc, t_atom *argv)
{
t_pd *current;
int fd;
char dirbuf[MAXPDSTRING], classslashclass[MAXPDSTRING], *nameptr;
if (tryingalready>MAXOBJDEPTH){
error("maximum object loading depth %d reached", MAXOBJDEPTH);
return;
}
newest = 0;
class_loadsym = s;
if (sys_load_lib(canvas_getcurrent(), s->s_name))
{
tryingalready++;
typedmess(dummy, s, argc, argv);
tryingalready--;
return;
}
class_loadsym = 0;
current = s__X.s_thing;
/* for class/class.pd support, to match class/class.pd_linux */
snprintf(classslashclass, MAXPDSTRING, "%s/%s", s->s_name, s->s_name);
if ((fd = canvas_open(canvas_getcurrent(), s->s_name, ".pd",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0 ||
(fd = canvas_open(canvas_getcurrent(), s->s_name, ".pat",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0 ||
(fd = canvas_open(canvas_getcurrent(), classslashclass, ".pd",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0)
{
close (fd);
if (!pd_setloadingabstraction(s))
{
canvas_setargs(argc, argv);
binbuf_evalfile(gensym(nameptr), gensym(dirbuf));
canvas_initbang((t_canvas *)(s__X.s_thing));/* JMZ*/
if (s__X.s_thing != current)
canvas_popabstraction((t_canvas *)(s__X.s_thing));
canvas_setargs(0, 0);
}
else error("%s: can't load abstraction within itself\n", s->s_name);
}
else newest = 0;
}
static t_pd *do_create_abstraction(t_symbol*s, int argc, t_atom *argv)
{
/*
* TODO: check if the there is a binbuf cached for <canvas::symbol>
and use that instead. We'll have to invalidate the cache once we
are done (either with a clock_delay(0) or something else)
*/
if (!pd_setloadingabstraction(s))
{
const char *objectname = s->s_name;
char dirbuf[MAXPDSTRING], classslashclass[MAXPDSTRING], *nameptr;
t_glist *glist = (t_glist *)canvas_getcurrent();
t_canvas *canvas = (t_canvas*)glist_getcanvas(glist);
int fd = -1;
t_pd *was = s__X.s_thing;
snprintf(classslashclass, MAXPDSTRING, "%s/%s", objectname, objectname);
if ((fd = canvas_open(canvas, objectname, ".pd",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0 ||
(fd = canvas_open(canvas, objectname, ".pat",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0 ||
(fd = canvas_open(canvas, classslashclass, ".pd",
dirbuf, &nameptr, MAXPDSTRING, 0)) >= 0)
{
close(fd);
canvas_setargs(argc, argv);
binbuf_evalfile(gensym(nameptr), gensym(dirbuf));
if (s__X.s_thing && was != s__X.s_thing)
canvas_popabstraction((t_canvas *)(s__X.s_thing));
else s__X.s_thing = was;
canvas_setargs(0, 0);
return (pd_this->pd_newest);
}
/* otherwise we couldn't do it; just return 0 */
}
else error("%s: can't load abstraction within itself\n", s->s_name);
pd_this->pd_newest = 0;
return (0);
}