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#include <string.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "qstr.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;
mp_obj_t bound_meth_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_obj_t *args) {
mp_obj_bound_meth_t *self = self_in;
// need to insert self->self before all other args and then call self->meth
int n_total = n_args + 2 * n_kw;
if (n_total <= 4) {
// use stack to allocate temporary args array
mp_obj_t args2[5];
args2[0] = self->self;
memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
return rt_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
} else {
// use heap to allocate temporary args array
mp_obj_t *args2 = m_new(mp_obj_t, 1 + n_total);
args2[0] = self->self;
memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
mp_obj_t res = rt_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
m_del(mp_obj_t, args2, 1 + n_total);
return res;
}
}
const mp_obj_type_t bound_meth_type = {
{ &mp_type_type },
.name = MP_QSTR_bound_method,
.call = bound_meth_call,
};
mp_obj_t mp_obj_new_bound_meth(mp_obj_t meth, mp_obj_t self) {
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;
}
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