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a71c83a1d1
Ultimately all static strings should be qstr. This entry in the type structure is only used for printing error messages (to tell the type of the bad argument), and printing objects that don't supply a .print method.
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime.h"
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typedef struct _mp_obj_bound_meth_t {
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mp_obj_base_t base;
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mp_obj_t meth;
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mp_obj_t self;
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} mp_obj_bound_meth_t;
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mp_obj_t bound_meth_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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mp_obj_bound_meth_t *self = self_in;
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// need to insert self->self before all other args and then call self->meth
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int n_total = n_args + 2 * n_kw;
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if (n_total <= 4) {
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// use stack to allocate temporary args array
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mp_obj_t args2[5];
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args2[0] = self->self;
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memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
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return rt_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
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} else {
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// use heap to allocate temporary args array
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mp_obj_t *args2 = m_new(mp_obj_t, 1 + n_total);
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args2[0] = self->self;
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memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
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mp_obj_t res = rt_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
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m_del(mp_obj_t, args2, 1 + n_total);
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return res;
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}
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}
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const mp_obj_type_t bound_meth_type = {
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{ &mp_const_type },
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.name = MP_QSTR_bound_method,
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.call = bound_meth_call,
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};
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mp_obj_t mp_obj_new_bound_meth(mp_obj_t meth, mp_obj_t self) {
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mp_obj_bound_meth_t *o = m_new_obj(mp_obj_bound_meth_t);
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o->base.type = &bound_meth_type;
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o->meth = meth;
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o->self = self;
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return o;
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}
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