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py/persistentcode: Support loading and saving tuples in .mpy files. 

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2022-03-31 14:28:19 +11:00
parent 35c0cff92b
commit 4ca96983ff
2 changed files with 36 additions and 1 deletions
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33
py/persistentcode.c
View File

@ -202,13 +202,25 @@ STATIC mp_obj_t load_obj(mp_reader_t *reader) {
return MP_OBJ_FROM_PTR(&mp_fun_table);
} else
#endif
if (obj_type == MP_PERSISTENT_OBJ_ELLIPSIS) {
if (obj_type == MP_PERSISTENT_OBJ_NONE) {
return mp_const_none;
} else if (obj_type == MP_PERSISTENT_OBJ_FALSE) {
return mp_const_false;
} else if (obj_type == MP_PERSISTENT_OBJ_TRUE) {
return mp_const_true;
} else if (obj_type == MP_PERSISTENT_OBJ_ELLIPSIS) {
return MP_OBJ_FROM_PTR(&mp_const_ellipsis_obj);
} else {
size_t len = read_uint(reader);
if (len == 0 && obj_type == MP_PERSISTENT_OBJ_BYTES) {
read_byte(reader); // skip null terminator
return mp_const_empty_bytes;
} else if (obj_type == MP_PERSISTENT_OBJ_TUPLE) {
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(len, NULL));
for (size_t i = 0; i < len; ++i) {
tuple->items[i] = load_obj(reader);
}
return MP_OBJ_FROM_PTR(tuple);
}
vstr_t vstr;
vstr_init_len(&vstr, len);
@ -514,9 +526,28 @@ STATIC void save_obj(mp_print_t *print, mp_obj_t o) {
mp_print_bytes(print, &obj_type, 1);
mp_print_uint(print, len);
mp_print_bytes(print, (const byte *)str, len + 1); // +1 to store null terminator
} else if (o == mp_const_none) {
byte obj_type = MP_PERSISTENT_OBJ_NONE;
mp_print_bytes(print, &obj_type, 1);
} else if (o == mp_const_false) {
byte obj_type = MP_PERSISTENT_OBJ_FALSE;
mp_print_bytes(print, &obj_type, 1);
} else if (o == mp_const_true) {
byte obj_type = MP_PERSISTENT_OBJ_TRUE;
mp_print_bytes(print, &obj_type, 1);
} else if (MP_OBJ_TO_PTR(o) == &mp_const_ellipsis_obj) {
byte obj_type = MP_PERSISTENT_OBJ_ELLIPSIS;
mp_print_bytes(print, &obj_type, 1);
} else if (mp_obj_is_type(o, &mp_type_tuple)) {
size_t len;
mp_obj_t *items;
mp_obj_tuple_get(o, &len, &items);
byte obj_type = MP_PERSISTENT_OBJ_TUPLE;
mp_print_bytes(print, &obj_type, 1);
mp_print_uint(print, len);
for (size_t i = 0; i < len; ++i) {
save_obj(print, items[i]);
}
} else {
// we save numbers using a simplistic text representation
// TODO could be improved

4
py/persistentcode.h
View File

@ -104,12 +104,16 @@ enum {
enum {
MP_PERSISTENT_OBJ_FUN_TABLE = 0,
MP_PERSISTENT_OBJ_NONE,
MP_PERSISTENT_OBJ_FALSE,
MP_PERSISTENT_OBJ_TRUE,
MP_PERSISTENT_OBJ_ELLIPSIS,
MP_PERSISTENT_OBJ_STR,
MP_PERSISTENT_OBJ_BYTES,
MP_PERSISTENT_OBJ_INT,
MP_PERSISTENT_OBJ_FLOAT,
MP_PERSISTENT_OBJ_COMPLEX,
MP_PERSISTENT_OBJ_TUPLE,
};
mp_compiled_module_t mp_raw_code_load(mp_reader_t *reader, mp_module_context_t *ctx);