134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
#include <stdlib.h>
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#include <stdint.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 "obj.h"
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#include "runtime0.h"
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typedef struct _mp_obj_tuple_t {
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mp_obj_base_t base;
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machine_uint_t len;
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mp_obj_t items[];
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} mp_obj_tuple_t;
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static mp_obj_t mp_obj_new_tuple_iterator(mp_obj_tuple_t *tuple, int cur);
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/******************************************************************************/
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/* tuple */
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void tuple_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in) {
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mp_obj_tuple_t *o = o_in;
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print(env, "(");
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for (int i = 0; i < o->len; i++) {
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if (i > 0) {
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print(env, ", ");
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}
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mp_obj_print_helper(print, env, o->items[i]);
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}
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if (o->len == 1) {
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print(env, ",");
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}
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print(env, ")");
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}
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mp_obj_t tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
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mp_obj_tuple_t *o = lhs;
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switch (op) {
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case RT_BINARY_OP_SUBSCR:
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{
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// tuple load
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uint index = mp_get_index(o->base.type, o->len, rhs);
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return o->items[index];
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}
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default:
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// op not supported
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return NULL;
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}
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}
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mp_obj_t tuple_getiter(mp_obj_t o_in) {
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return mp_obj_new_tuple_iterator(o_in, 0);
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}
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void mp_obj_tuple_get(mp_obj_t self_in, uint *len, mp_obj_t **items) {
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mp_obj_tuple_t *self = self_in;
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*len = self->len;
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*items = &self->items[0];
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}
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const mp_obj_type_t tuple_type = {
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{ &mp_const_type },
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"tuple",
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tuple_print, // print
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NULL, // call_n
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NULL, // unary_op
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tuple_binary_op, // binary_op
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tuple_getiter, // getiter
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NULL, // iternext
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{{NULL, NULL},}, // method list
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};
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mp_obj_t mp_obj_new_tuple(uint n, mp_obj_t *items) {
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mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n);
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o->base.type = &tuple_type;
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o->len = n;
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for (int i = 0; i < n; i++) {
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o->items[i] = items[i];
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}
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return o;
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}
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mp_obj_t mp_obj_new_tuple_reverse(uint n, mp_obj_t *items) {
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mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n);
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o->base.type = &tuple_type;
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o->len = n;
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for (int i = 0; i < n; i++) {
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o->items[i] = items[n - i - 1];
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}
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return o;
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}
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/******************************************************************************/
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/* tuple iterator */
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typedef struct _mp_obj_tuple_it_t {
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mp_obj_base_t base;
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mp_obj_tuple_t *tuple;
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machine_uint_t cur;
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} mp_obj_tuple_it_t;
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mp_obj_t tuple_it_iternext(mp_obj_t self_in) {
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mp_obj_tuple_it_t *self = self_in;
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if (self->cur < self->tuple->len) {
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mp_obj_t o_out = self->tuple->items[self->cur];
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self->cur += 1;
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return o_out;
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} else {
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return mp_const_stop_iteration;
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}
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}
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static const mp_obj_type_t tuple_it_type = {
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{ &mp_const_type },
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"tuple_iterator",
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NULL, // print
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NULL, // call_n
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NULL, // unary_op
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NULL, // binary_op
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NULL, // getiter
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tuple_it_iternext,
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{{NULL, NULL},}, // method list
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};
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static mp_obj_t mp_obj_new_tuple_iterator(mp_obj_tuple_t *tuple, int cur) {
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mp_obj_tuple_it_t *o = m_new_obj(mp_obj_tuple_it_t);
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o->base.type = &tuple_it_type;
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o->tuple = tuple;
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o->cur = cur;
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return o;
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}
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