circuitpython/py/objboundmeth.c

56 lines
1.4 KiB
C

#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "obj.h"
#include "runtime.h"
typedef struct _mp_obj_bound_meth_t {
mp_obj_base_t base;
mp_obj_t meth;
mp_obj_t self;
} mp_obj_bound_meth_t;
// args are in reverse order in the array
mp_obj_t bound_meth_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_bound_meth_t *self = self_in;
if (n_args == 0) {
return rt_call_function_n(self->meth, 1, &self->self);
} else if (n_args == 1) {
mp_obj_t args2[2];
args2[1] = self->self;
args2[0] = args[0];
return rt_call_function_n(self->meth, 2, args2);
} else {
// TODO not implemented
assert(0);
return mp_const_none;
//return rt_call_function_2(self->meth, n_args + 1, self->self + args);
}
}
const mp_obj_type_t bound_meth_type = {
{ &mp_const_type },
"bound_method",
NULL, // print
NULL, // make_new
bound_meth_call_n, // call_n
NULL, // unary_op
NULL, // binary_op
NULL, // getiter
NULL, // iternext
.methods = {{NULL, NULL},},
};
mp_obj_t mp_obj_new_bound_meth(mp_obj_t self, mp_obj_t meth) {
mp_obj_bound_meth_t *o = m_new_obj(mp_obj_bound_meth_t);
o->base.type = &bound_meth_type;
o->meth = meth;
o->self = self;
return o;
}