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objset: Give up and implement frozenset.

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Tired of patching CPython stdlib for it.
This commit is contained in:
Paul Sokolovsky 2014-05-10 16:02:17 +03:00
parent d86020ac4f
commit b181b581aa
5 changed files with 100 additions and 23 deletions
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3
py/builtintables.c
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@ -52,6 +52,9 @@ STATIC const mp_map_elem_t mp_builtin_object_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_filter), (mp_obj_t)&mp_type_filter },
#if MICROPY_ENABLE_FLOAT
{ MP_OBJ_NEW_QSTR(MP_QSTR_float), (mp_obj_t)&mp_type_float },
#endif
#if MICROPY_ENABLE_FROZENSET
{ MP_OBJ_NEW_QSTR(MP_QSTR_frozenset), (mp_obj_t)&mp_type_frozenset },
#endif
{ MP_OBJ_NEW_QSTR(MP_QSTR_int), (mp_obj_t)&mp_type_int },
{ MP_OBJ_NEW_QSTR(MP_QSTR_list), (mp_obj_t)&mp_type_list },

5
py/mpconfig.h
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@ -235,6 +235,11 @@ typedef double mp_float_t;
#define MICROPY_ENABLE_SLICE (1)
#endif
// Whether to support frozenset object
#ifndef MICROPY_ENABLE_FROZENSET
#define MICROPY_ENABLE_FROZENSET (1)
#endif
// Whether to support the property object
#ifndef MICROPY_ENABLE_PROPERTY
#define MICROPY_ENABLE_PROPERTY (1)

1
py/obj.h
View File

@ -308,6 +308,7 @@ extern const mp_obj_type_t mp_type_filter;
extern const mp_obj_type_t mp_type_dict;
extern const mp_obj_type_t mp_type_range;
extern const mp_obj_type_t mp_type_set;
extern const mp_obj_type_t mp_type_frozenset;
extern const mp_obj_type_t mp_type_slice;
extern const mp_obj_type_t mp_type_zip;
extern const mp_obj_type_t mp_type_array;

110
py/objset.c
View File

@ -50,13 +50,41 @@ typedef struct _mp_obj_set_it_t {
STATIC mp_obj_t set_it_iternext(mp_obj_t self_in);
STATIC bool is_set_or_frozenset(mp_obj_t o) {
return MP_OBJ_IS_TYPE(o, &mp_type_set) || MP_OBJ_IS_TYPE(o, &mp_type_frozenset);
}
STATIC void check_set_or_frozenset(mp_obj_t o) {
if (!is_set_or_frozenset(o)) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "'set' object required"));
}
}
STATIC void check_set(mp_obj_t o) {
if (!MP_OBJ_IS_TYPE(o, &mp_type_set)) {
// Emulate CPython behavior
// AttributeError: 'frozenset' object has no attribute 'add'
if (MP_OBJ_IS_TYPE(o, &mp_type_frozenset)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_AttributeError, "'frozenset' has no such attribute"));
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "'set' object required"));
}
}
STATIC void set_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
mp_obj_set_t *self = self_in;
bool is_frozen = MP_OBJ_IS_TYPE(self_in, &mp_type_frozenset);
if (self->set.used == 0) {
if (is_frozen) {
print(env, "frozen");
}
print(env, "set()");
return;
}
bool first = true;
if (is_frozen) {
print(env, "frozenset(");
}
print(env, "{");
for (int i = 0; i < self->set.alloc; i++) {
if (MP_SET_SLOT_IS_FILLED(&self->set, i)) {
@ -68,6 +96,9 @@ STATIC void set_print(void (*print)(void *env, const char *fmt, ...), void *env,
}
}
print(env, "}");
if (is_frozen) {
print(env, ")");
}
}
@ -82,12 +113,14 @@ STATIC mp_obj_t set_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_
case 1:
{
// 1 argument, an iterable from which we make a new set
mp_obj_t set = mp_obj_new_set(0, NULL);
mp_obj_set_t *set = mp_obj_new_set(0, NULL);
mp_obj_t iterable = mp_getiter(args[0]);
mp_obj_t item;
while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
mp_obj_set_store(set, item);
}
// Set actual set/frozenset type
set->base.type = type_in;
return set;
}
@ -132,7 +165,7 @@ STATIC mp_obj_t set_getiter(mp_obj_t set_in) {
/* set methods */
STATIC mp_obj_t set_add(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
return mp_const_none;
@ -140,7 +173,7 @@ STATIC mp_obj_t set_add(mp_obj_t self_in, mp_obj_t item) {
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_add_obj, set_add);
STATIC mp_obj_t set_clear(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_set_clear(&self->set);
@ -149,8 +182,7 @@ STATIC mp_obj_t set_clear(mp_obj_t self_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_clear_obj, set_clear);
STATIC mp_obj_t set_copy(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
STATIC mp_obj_t set_copy_as_mutable(mp_obj_t self_in) {
mp_obj_set_t *self = self_in;
mp_obj_set_t *other = m_new_obj(mp_obj_set_t);
@ -161,10 +193,20 @@ STATIC mp_obj_t set_copy(mp_obj_t self_in) {
return other;
}
STATIC mp_obj_t set_copy(mp_obj_t self_in) {
check_set_or_frozenset(self_in);
mp_obj_set_t *self = self_in;
mp_obj_set_t *other = set_copy_as_mutable(self);
other->base.type = self->base.type;
return other;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_copy_obj, set_copy);
STATIC mp_obj_t set_discard(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
return mp_const_none;
@ -173,12 +215,14 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_discard_obj, set_discard);
STATIC mp_obj_t set_diff_int(int n_args, const mp_obj_t *args, bool update) {
assert(n_args > 0);
assert(MP_OBJ_IS_TYPE(args[0], &mp_type_set));
mp_obj_set_t *self;
if (update) {
check_set(args[0]);
self = args[0];
} else {
self = set_copy(args[0]);
check_set_or_frozenset(args[0]);
self = set_copy_as_mutable(args[0]);
}
@ -195,6 +239,7 @@ STATIC mp_obj_t set_diff_int(int n_args, const mp_obj_t *args, bool update) {
}
}
self->base.type = ((mp_obj_set_t*)args[0])->base.type;
return self;
}
@ -210,7 +255,12 @@ STATIC mp_obj_t set_diff_update(uint n_args, const mp_obj_t *args) {
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_diff_update_obj, 1, set_diff_update);
STATIC mp_obj_t set_intersect_int(mp_obj_t self_in, mp_obj_t other, bool update) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
if (update) {
check_set(self_in);
} else {
check_set_or_frozenset(self_in);
}
if (self_in == other) {
return update ? mp_const_none : set_copy(self_in);
}
@ -247,7 +297,7 @@ STATIC mp_obj_t set_intersect_update(mp_obj_t self_in, mp_obj_t other) {
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_intersect_update_obj, set_intersect_update);
STATIC mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set_or_frozenset(self_in);
mp_obj_set_t *self = self_in;
mp_obj_t iter = mp_getiter(other);
@ -264,7 +314,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_isdisjoint_obj, set_isdisjoint);
STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool proper) {
mp_obj_set_t *self;
bool cleanup_self = false;
if (MP_OBJ_IS_TYPE(self_in, &mp_type_set)) {
if (is_set_or_frozenset(self_in)) {
self = self_in;
} else {
self = set_make_new((mp_obj_t)&mp_type_set, 1, 0, &self_in);
@ -273,7 +323,7 @@ STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool
mp_obj_set_t *other;
bool cleanup_other = false;
if (MP_OBJ_IS_TYPE(other_in, &mp_type_set)) {
if (is_set_or_frozenset(other_in)) {
other = other_in;
} else {
other = set_make_new((mp_obj_t)&mp_type_set, 1, 0, &other_in);
@ -292,6 +342,7 @@ STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool
}
}
}
// TODO: Should free objects altogether
if (cleanup_self) {
set_clear(self);
}
@ -319,9 +370,9 @@ STATIC mp_obj_t set_issuperset_proper(mp_obj_t self_in, mp_obj_t other_in) {
}
STATIC mp_obj_t set_equal(mp_obj_t self_in, mp_obj_t other_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set_or_frozenset(self_in);
mp_obj_set_t *self = self_in;
if (!MP_OBJ_IS_TYPE(other_in, &mp_type_set)) {
if (!is_set_or_frozenset(other_in)) {
return mp_const_false;
}
mp_obj_set_t *other = other_in;
@ -332,7 +383,7 @@ STATIC mp_obj_t set_equal(mp_obj_t self_in, mp_obj_t other_in) {
}
STATIC mp_obj_t set_pop(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_obj_t obj = mp_set_remove_first(&self->set);
if (obj == MP_OBJ_NULL) {
@ -343,7 +394,7 @@ STATIC mp_obj_t set_pop(mp_obj_t self_in) {
STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_pop_obj, set_pop);
STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set(self_in);
mp_obj_set_t *self = self_in;
if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
nlr_raise(mp_obj_new_exception(&mp_type_KeyError));
@ -353,7 +404,7 @@ STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_remove_obj, set_remove);
STATIC mp_obj_t set_symmetric_difference_update(mp_obj_t self_in, mp_obj_t other_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_obj_t iter = mp_getiter(other_in);
mp_obj_t next;
@ -365,10 +416,11 @@ STATIC mp_obj_t set_symmetric_difference_update(mp_obj_t self_in, mp_obj_t other
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_update_obj, set_symmetric_difference_update);
STATIC mp_obj_t set_symmetric_difference(mp_obj_t self_in, mp_obj_t other_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
self_in = set_copy(self_in);
set_symmetric_difference_update(self_in, other_in);
return self_in;
check_set_or_frozenset(self_in);
mp_obj_set_t *self_out = set_copy_as_mutable(self_in);
set_symmetric_difference_update(self_out, other_in);
self_out->base.type = ((mp_obj_set_t*)self_in)->base.type;
return self_out;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_obj, set_symmetric_difference);
@ -382,7 +434,6 @@ STATIC void set_update_int(mp_obj_set_t *self, mp_obj_t other_in) {
STATIC mp_obj_t set_update(uint n_args, const mp_obj_t *args) {
assert(n_args > 0);
assert(MP_OBJ_IS_TYPE(args[0], &mp_type_set));
for (int i = 1; i < n_args; i++) {
set_update_int(args[0], args[i]);
@ -393,7 +444,7 @@ STATIC mp_obj_t set_update(uint n_args, const mp_obj_t *args) {
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_update_obj, 1, set_update);
STATIC mp_obj_t set_union(mp_obj_t self_in, mp_obj_t other_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
check_set_or_frozenset(self_in);
mp_obj_set_t *self = set_copy(self_in);
set_update_int(self, other_in);
return self;
@ -486,6 +537,19 @@ const mp_obj_type_t mp_type_set = {
.locals_dict = (mp_obj_t)&set_locals_dict,
};
#if MICROPY_ENABLE_FROZENSET
const mp_obj_type_t mp_type_frozenset = {
{ &mp_type_type },
.name = MP_QSTR_frozenset,
.print = set_print,
.make_new = set_make_new,
.unary_op = set_unary_op,
.binary_op = set_binary_op,
.getiter = set_getiter,
.locals_dict = (mp_obj_t)&set_locals_dict,
};
#endif
mp_obj_t mp_obj_new_set(int n_args, mp_obj_t *items) {
mp_obj_set_t *o = m_new_obj(mp_obj_set_t);
o->base.type = &mp_type_set;

4
py/qstrdefs.h
View File

@ -251,6 +251,10 @@ Q(iterator)
Q(module)
Q(slice)
#if MICROPY_ENABLE_FROZENSET
Q(frozenset)
#endif
#if MICROPY_ENABLE_MOD_MATH || MICROPY_ENABLE_MOD_CMATH
Q(math)
Q(e)