circuitpython/py/objtype.c
2014-01-08 18:48:12 +00:00

58 lines
1.6 KiB
C

#include <stdlib.h>
#include <stdint.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "mpqstr.h"
#include "obj.h"
static void type_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {
mp_obj_type_t *self = self_in;
print(env, "<class '%s'>", self->name);
}
// args are reverse in the array
static mp_obj_t type_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
switch (n_args) {
case 1:
return mp_obj_get_type(args[0]);
case 3:
{
// args[2] = name
// args[1] = bases tuple
// args[0] = locals dict
mp_obj_type_t *new_type = m_new0(mp_obj_type_t, 1);
new_type->base.type = &mp_const_type;
new_type->name = qstr_str(mp_obj_get_qstr(args[2]));
return new_type;
//mp_obj_t new_class = mp_obj_new_class(mp_obj_get_qstr(args[2]), args[0]);
//return new_class;
}
default:
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError, "type takes at 1 or 3 arguments"));
}
}
static mp_obj_t type_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_type_t *self = self_in;
if (self->make_new != NULL) {
// TODO we need to init the object if it's an instance of a type
return self->make_new(self, n_args, args);
} else {
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "cannot create '%s' instances", self->name));
}
}
const mp_obj_type_t mp_const_type = {
{ &mp_const_type },
"type",
.print = type_print,
.make_new = type_make_new,
.call_n = type_call_n,
};