STATIC void gc_sweep(void) {
#if MICROPY_PY_GC_COLLECT_RETVAL
MP_STATE_MEM(gc_collected) = 0;
#endif
// free unmarked heads and their tails
int free_tail = 0;
for (size_t block = 0; block < MP_STATE_MEM(gc_alloc_table_byte_len) * BLOCKS_PER_ATB; block++) {
switch (ATB_GET_KIND(block)) {
case AT_HEAD:
#if MICROPY_ENABLE_FINALISER
if (FTB_GET(block)) {
mp_obj_base_t *obj = (mp_obj_base_t*)PTR_FROM_BLOCK(block);
if (obj->type != NULL) {
// if the object has a type then see if it has a __del__ method
mp_obj_t dest[2];
mp_load_method_maybe(MP_OBJ_FROM_PTR(obj), MP_QSTR___del__, dest);
if (dest[0] != MP_OBJ_NULL) {
// load_method returned a method, execute it in a protected environment
#if MICROPY_ENABLE_SCHEDULER
mp_sched_lock();
#endif
mp_call_function_1_protected(dest[0], dest[1]);
#if MICROPY_ENABLE_SCHEDULER
mp_sched_unlock();
#endif
}
}
// clear finaliser flag
FTB_CLEAR(block);
}
#endif
free_tail = 1;
DEBUG_printf("gc_sweep(%p)\n", PTR_FROM_BLOCK(block));
#if MICROPY_PY_GC_COLLECT_RETVAL
MP_STATE_MEM(gc_collected)++;
#endif
// fall through to free the head
case AT_TAIL:
if (free_tail) {
ATB_ANY_TO_FREE(block);
#if CLEAR_ON_SWEEP
memset((void*)PTR_FROM_BLOCK(block), 0, BYTES_PER_BLOCK);
#endif
}
break;
case AT_MARK:
ATB_MARK_TO_HEAD(block);
free_tail = 0;
break;
}
}
}
void pin_intr_handler(uint32_t status) {
gc_lock();
status &= 0xffff;
for (int p = 0; status; ++p, status >>= 1) {
if (status & 1) {
mp_obj_t handler = MP_STATE_PORT(pin_irq_handler)[p];
if (handler != MP_OBJ_NULL) {
mp_call_function_1_protected(handler, MP_OBJ_FROM_PTR(&pyb_pin_obj[p]));
}
}
}
gc_unlock();
}
STATIC void esp_timer_cb(void *arg) {
esp_timer_obj_t *self = arg;
mp_call_function_1_protected(self->callback, self);
}
static inline void exec_user_callback(lwip_socket_obj_t *socket) {
if (socket->callback != MP_OBJ_NULL) {
mp_call_function_1_protected(socket->callback, socket);
}
}
// function to run extra tests for things that can't be checked by scripts
STATIC mp_obj_t extra_coverage(void) {
// mp_printf (used by ports that don't have a native printf)
{
mp_printf(&mp_plat_print, "# mp_printf\n");
mp_printf(&mp_plat_print, "%d %+d % d\n", -123, 123, 123); // sign
mp_printf(&mp_plat_print, "%05d\n", -123); // negative number with zero padding
mp_printf(&mp_plat_print, "%ld\n", 123); // long
mp_printf(&mp_plat_print, "%X\n", 0x1abcdef); // capital hex
mp_printf(&mp_plat_print, "%.2s %.3s\n", "abc", "abc"); // fixed string precision
mp_printf(&mp_plat_print, "%.*s\n", -1, "abc"); // negative string precision
mp_printf(&mp_plat_print, "%b %b\n", 0, 1); // bools
mp_printf(&mp_plat_print, "%s\n", NULL); // null string
mp_printf(&mp_plat_print, "%d\n", 0x80000000); // should print signed
mp_printf(&mp_plat_print, "%u\n", 0x80000000); // should print unsigned
mp_printf(&mp_plat_print, "%x\n", 0x80000000); // should print unsigned
mp_printf(&mp_plat_print, "%X\n", 0x80000000); // should print unsigned
}
// vstr
{
mp_printf(&mp_plat_print, "# vstr\n");
vstr_t *vstr = vstr_new(16);
vstr_hint_size(vstr, 32);
vstr_add_str(vstr, "ts");
vstr_ins_byte(vstr, 1, 'e');
vstr_ins_char(vstr, 3, 't');
vstr_ins_char(vstr, 10, 's');
mp_printf(&mp_plat_print, "%.*s\n", (int)vstr->len, vstr->buf);
vstr_cut_head_bytes(vstr, 2);
mp_printf(&mp_plat_print, "%.*s\n", (int)vstr->len, vstr->buf);
vstr_cut_tail_bytes(vstr, 10);
mp_printf(&mp_plat_print, "%.*s\n", (int)vstr->len, vstr->buf);
vstr_printf(vstr, "t%cst", 'e');
mp_printf(&mp_plat_print, "%.*s\n", (int)vstr->len, vstr->buf);
vstr_cut_out_bytes(vstr, 3, 10);
mp_printf(&mp_plat_print, "%.*s\n", (int)vstr->len, vstr->buf);
VSTR_FIXED(fix, 4);
vstr_add_str(&fix, "large");
mp_printf(&mp_plat_print, "%.*s\n", (int)fix.len, fix.buf);
}
// repl autocomplete
{
mp_printf(&mp_plat_print, "# repl\n");
const char *str;
mp_uint_t len = mp_repl_autocomplete("__n", 3, &mp_plat_print, &str);
mp_printf(&mp_plat_print, "%.*s\n", (int)len, str);
mp_store_global(MP_QSTR_sys, mp_import_name(MP_QSTR_sys, mp_const_none, MP_OBJ_NEW_SMALL_INT(0)));
mp_repl_autocomplete("sys.", 4, &mp_plat_print, &str);
len = mp_repl_autocomplete("sys.impl", 8, &mp_plat_print, &str);
mp_printf(&mp_plat_print, "%.*s\n", (int)len, str);
}
// attrtuple
{
mp_printf(&mp_plat_print, "# attrtuple\n");
static const qstr fields[] = {MP_QSTR_start, MP_QSTR_stop, MP_QSTR_step};
static const mp_obj_t items[] = {MP_OBJ_NEW_SMALL_INT(1), MP_OBJ_NEW_SMALL_INT(2), MP_OBJ_NEW_SMALL_INT(3)};
mp_obj_print_helper(&mp_plat_print, mp_obj_new_attrtuple(fields, 3, items), PRINT_REPR);
mp_printf(&mp_plat_print, "\n");
}
// str
{
mp_printf(&mp_plat_print, "# str\n");
// intern string
mp_printf(&mp_plat_print, "%d\n", MP_OBJ_IS_QSTR(mp_obj_str_intern(mp_obj_new_str("intern me", 9, false))));
}
// mpz
{
mp_printf(&mp_plat_print, "# mpz\n");
mp_uint_t value;
mpz_t mpz;
mpz_init_zero(&mpz);
// mpz_as_uint_checked, with success
mpz_set_from_int(&mpz, 12345678);
mp_printf(&mp_plat_print, "%d\n", mpz_as_uint_checked(&mpz, &value));
mp_printf(&mp_plat_print, "%d\n", (int)value);
// mpz_as_uint_checked, with negative arg
mpz_set_from_int(&mpz, -1);
mp_printf(&mp_plat_print, "%d\n", mpz_as_uint_checked(&mpz, &value));
// mpz_as_uint_checked, with overflowing arg
mpz_set_from_int(&mpz, 1);
mpz_shl_inpl(&mpz, &mpz, 70);
mp_printf(&mp_plat_print, "%d\n", mpz_as_uint_checked(&mpz, &value));
}
// runtime utils
{
mp_printf(&mp_plat_print, "# runtime utils\n");
// call mp_call_function_1_protected
mp_call_function_1_protected(MP_OBJ_FROM_PTR(&mp_builtin_abs_obj), MP_OBJ_NEW_SMALL_INT(1));
// call mp_call_function_1_protected with invalid args
mp_call_function_1_protected(MP_OBJ_FROM_PTR(&mp_builtin_abs_obj), mp_obj_new_str("abc", 3, false));
// call mp_call_function_2_protected
mp_call_function_2_protected(MP_OBJ_FROM_PTR(&mp_builtin_divmod_obj), MP_OBJ_NEW_SMALL_INT(1), MP_OBJ_NEW_SMALL_INT(1));
// call mp_call_function_2_protected with invalid args
mp_call_function_2_protected(MP_OBJ_FROM_PTR(&mp_builtin_divmod_obj), mp_obj_new_str("abc", 3, false), mp_obj_new_str("abc", 3, false));
}
// warning
{
mp_emitter_warning(MP_PASS_CODE_SIZE, "test");
}
// format float
{
mp_printf(&mp_plat_print, "# format float\n");
// format with inadequate buffer size
char buf[5];
mp_format_float(1, buf, sizeof(buf), 'g', 0, '+');
mp_printf(&mp_plat_print, "%s\n", buf);
// format with just enough buffer so that precision must be
// set from 0 to 1 twice
char buf2[8];
mp_format_float(1, buf2, sizeof(buf2), 'g', 0, '+');
mp_printf(&mp_plat_print, "%s\n", buf2);
// format where precision is trimmed to avoid buffer overflow
mp_format_float(1, buf2, sizeof(buf2), 'e', 0, '+');
mp_printf(&mp_plat_print, "%s\n", buf2);
}
// return a tuple of data for testing on the Python side
mp_obj_t items[] = {(mp_obj_t)&str_no_hash_obj, (mp_obj_t)&bytes_no_hash_obj};
return mp_obj_new_tuple(MP_ARRAY_SIZE(items), items);
}
