55baff4c9b
Can now have null bytes in strings. Can define ROM qstrs per port using qstrdefsport.h
173 lines
4.7 KiB
C
173 lines
4.7 KiB
C
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
|
|
#include "nlr.h"
|
|
#include "misc.h"
|
|
#include "mpconfig.h"
|
|
#include "qstr.h"
|
|
#include "obj.h"
|
|
#include "runtime0.h"
|
|
#include "runtime.h"
|
|
#include "objtuple.h"
|
|
|
|
static mp_obj_t mp_obj_new_tuple_iterator(mp_obj_tuple_t *tuple, int cur);
|
|
|
|
/******************************************************************************/
|
|
/* tuple */
|
|
|
|
void tuple_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
|
|
mp_obj_tuple_t *o = o_in;
|
|
print(env, "(");
|
|
for (int i = 0; i < o->len; i++) {
|
|
if (i > 0) {
|
|
print(env, ", ");
|
|
}
|
|
mp_obj_print_helper(print, env, o->items[i], PRINT_REPR);
|
|
}
|
|
if (o->len == 1) {
|
|
print(env, ",");
|
|
}
|
|
print(env, ")");
|
|
}
|
|
|
|
static mp_obj_t tuple_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
|
|
// TODO check n_kw == 0
|
|
|
|
switch (n_args) {
|
|
case 0:
|
|
// return a empty tuple
|
|
return mp_const_empty_tuple;
|
|
|
|
case 1:
|
|
{
|
|
// 1 argument, an iterable from which we make a new tuple
|
|
if (MP_OBJ_IS_TYPE(args[0], &tuple_type)) {
|
|
return args[0];
|
|
}
|
|
|
|
// TODO optimise for cases where we know the length of the iterator
|
|
|
|
uint alloc = 4;
|
|
uint len = 0;
|
|
mp_obj_t *items = m_new(mp_obj_t, alloc);
|
|
|
|
mp_obj_t iterable = rt_getiter(args[0]);
|
|
mp_obj_t item;
|
|
while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
|
|
if (len >= alloc) {
|
|
items = m_renew(mp_obj_t, items, alloc, alloc * 2);
|
|
alloc *= 2;
|
|
}
|
|
items[len++] = item;
|
|
}
|
|
|
|
mp_obj_t tuple = mp_obj_new_tuple(len, items);
|
|
m_free(items, alloc);
|
|
|
|
return tuple;
|
|
}
|
|
|
|
default:
|
|
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "tuple takes at most 1 argument, %d given", (void*)(machine_int_t)n_args));
|
|
}
|
|
}
|
|
|
|
static mp_obj_t tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
|
|
mp_obj_tuple_t *o = lhs;
|
|
switch (op) {
|
|
case RT_BINARY_OP_SUBSCR:
|
|
{
|
|
// tuple load
|
|
uint index = mp_get_index(o->base.type, o->len, rhs);
|
|
return o->items[index];
|
|
}
|
|
default:
|
|
// op not supported
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static mp_obj_t tuple_getiter(mp_obj_t o_in) {
|
|
return mp_obj_new_tuple_iterator(o_in, 0);
|
|
}
|
|
|
|
const mp_obj_type_t tuple_type = {
|
|
{ &mp_const_type },
|
|
"tuple",
|
|
.print = tuple_print,
|
|
.make_new = tuple_make_new,
|
|
.binary_op = tuple_binary_op,
|
|
.getiter = tuple_getiter,
|
|
};
|
|
|
|
// the zero-length tuple
|
|
static const mp_obj_tuple_t empty_tuple_obj = {{&tuple_type}, 0};
|
|
const mp_obj_t mp_const_empty_tuple = (mp_obj_t)&empty_tuple_obj;
|
|
|
|
mp_obj_t mp_obj_new_tuple(uint n, const mp_obj_t *items) {
|
|
if (n == 0) {
|
|
return mp_const_empty_tuple;
|
|
}
|
|
mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n);
|
|
o->base.type = &tuple_type;
|
|
o->len = n;
|
|
if (items) {
|
|
for (int i = 0; i < n; i++) {
|
|
o->items[i] = items[i];
|
|
}
|
|
}
|
|
return o;
|
|
}
|
|
|
|
void mp_obj_tuple_get(mp_obj_t self_in, uint *len, mp_obj_t **items) {
|
|
assert(MP_OBJ_IS_TYPE(self_in, &tuple_type));
|
|
mp_obj_tuple_t *self = self_in;
|
|
if (len) {
|
|
*len = self->len;
|
|
}
|
|
if (items) {
|
|
*items = &self->items[0];
|
|
}
|
|
}
|
|
|
|
void mp_obj_tuple_del(mp_obj_t self_in) {
|
|
assert(MP_OBJ_IS_TYPE(self_in, &tuple_type));
|
|
mp_obj_tuple_t *self = self_in;
|
|
m_del_var(mp_obj_tuple_t, mp_obj_t, self->len, self);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* tuple iterator */
|
|
|
|
typedef struct _mp_obj_tuple_it_t {
|
|
mp_obj_base_t base;
|
|
mp_obj_tuple_t *tuple;
|
|
machine_uint_t cur;
|
|
} mp_obj_tuple_it_t;
|
|
|
|
static mp_obj_t tuple_it_iternext(mp_obj_t self_in) {
|
|
mp_obj_tuple_it_t *self = self_in;
|
|
if (self->cur < self->tuple->len) {
|
|
mp_obj_t o_out = self->tuple->items[self->cur];
|
|
self->cur += 1;
|
|
return o_out;
|
|
} else {
|
|
return mp_const_stop_iteration;
|
|
}
|
|
}
|
|
|
|
static const mp_obj_type_t tuple_it_type = {
|
|
{ &mp_const_type },
|
|
"tuple_iterator",
|
|
.iternext = tuple_it_iternext,
|
|
};
|
|
|
|
static mp_obj_t mp_obj_new_tuple_iterator(mp_obj_tuple_t *tuple, int cur) {
|
|
mp_obj_tuple_it_t *o = m_new_obj(mp_obj_tuple_it_t);
|
|
o->base.type = &tuple_it_type;
|
|
o->tuple = tuple;
|
|
o->cur = cur;
|
|
return o;
|
|
}
|