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py: Make bytearray a proper type.

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This commit is contained in:
Paul Sokolovsky 2014-04-08 22:09:14 +03:00
parent 134c10e776
commit 4dcb605ac4
5 changed files with 26 additions and 12 deletions
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2
py/builtintables.c
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@ -17,6 +17,7 @@ STATIC const mp_map_elem_t mp_builtin_object_table[] = {
// built-in types
{ MP_OBJ_NEW_QSTR(MP_QSTR_bool), (mp_obj_t)&mp_type_bool },
{ MP_OBJ_NEW_QSTR(MP_QSTR_bytes), (mp_obj_t)&mp_type_bytes },
{ MP_OBJ_NEW_QSTR(MP_QSTR_bytearray), (mp_obj_t)&mp_type_bytearray },
#if MICROPY_ENABLE_FLOAT
{ MP_OBJ_NEW_QSTR(MP_QSTR_complex), (mp_obj_t)&mp_type_complex },
#endif
@ -72,7 +73,6 @@ STATIC const mp_map_elem_t mp_builtin_object_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_repr), (mp_obj_t)&mp_builtin_repr_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sorted), (mp_obj_t)&mp_builtin_sorted_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sum), (mp_obj_t)&mp_builtin_sum_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_bytearray), (mp_obj_t)&mp_builtin_bytearray_obj },
// built-in exceptions
{ MP_OBJ_NEW_QSTR(MP_QSTR_BaseException), (mp_obj_t)&mp_type_BaseException },

1
py/obj.h
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@ -259,6 +259,7 @@ extern const mp_obj_type_t mp_type_bool;
extern const mp_obj_type_t mp_type_int;
extern const mp_obj_type_t mp_type_str;
extern const mp_obj_type_t mp_type_bytes;
extern const mp_obj_type_t mp_type_bytearray;
extern const mp_obj_type_t mp_type_float;
extern const mp_obj_type_t mp_type_complex;
extern const mp_obj_type_t mp_type_tuple;

32
py/objarray.c
View File

@ -88,19 +88,20 @@ STATIC mp_obj_t array_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const m
return array_construct(*typecode, args[1]);
}
// This is top-level factory function, not virtual method
// TODO: "bytearray" really should be type, not function
STATIC mp_obj_t mp_builtin_bytearray(mp_obj_t arg) {
if (MP_OBJ_IS_SMALL_INT(arg)) {
uint len = MP_OBJ_SMALL_INT_VALUE(arg);
STATIC mp_obj_t bytearray_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
if (n_args > 1) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "unexpected # of arguments, %d given", n_args));
}
if (MP_OBJ_IS_SMALL_INT(args[0])) {
uint len = MP_OBJ_SMALL_INT_VALUE(args[0]);
mp_obj_array_t *o = array_new(BYTEARRAY_TYPECODE, len);
memset(o->items, 0, len);
return o;
}
return array_construct(BYTEARRAY_TYPECODE, arg);
return array_construct(BYTEARRAY_TYPECODE, args[0]);
}
MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_bytearray_obj, mp_builtin_bytearray);
STATIC mp_obj_t array_unary_op(int op, mp_obj_t o_in) {
mp_obj_array_t *o = o_in;
@ -127,7 +128,7 @@ STATIC mp_obj_t array_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
}
STATIC mp_obj_t array_append(mp_obj_t self_in, mp_obj_t arg) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_array));
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_array) || MP_OBJ_IS_TYPE(self_in, &mp_type_bytearray));
mp_obj_array_t *self = self_in;
if (self->free == 0) {
int item_sz = mp_binary_get_size(self->typecode);
@ -174,9 +175,22 @@ const mp_obj_type_t mp_type_array = {
.locals_dict = (mp_obj_t)&array_locals_dict,
};
const mp_obj_type_t mp_type_bytearray = {
{ &mp_type_type },
.name = MP_QSTR_bytearray,
.print = array_print,
.make_new = bytearray_make_new,
.getiter = array_iterator_new,
.unary_op = array_unary_op,
.binary_op = array_binary_op,
.store_item = array_store_item,
.buffer_p = { .get_buffer = array_get_buffer },
.locals_dict = (mp_obj_t)&array_locals_dict,
};
STATIC mp_obj_array_t *array_new(char typecode, uint n) {
mp_obj_array_t *o = m_new_obj(mp_obj_array_t);
o->base.type = &mp_type_array;
o->base.type = (typecode == BYTEARRAY_TYPECODE) ? &mp_type_bytearray : &mp_type_array;
o->typecode = typecode;
o->free = 0;
o->len = n;

2
py/objarray.h
View File

@ -1,3 +1 @@
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_bytearray_obj);
mp_obj_t mp_obj_new_bytearray(uint n, void *items);

1
tests/basics/bytearray1.py
View File

@ -1,5 +1,6 @@
print(bytearray(4))
a = bytearray([1, 2, 200])
print(type(a))
print(a[0], a[2])
print(a[-1])
print(a)