diff options
Diffstat (limited to 'py')
-rw-r--r-- | py/objset.c | 71 |
1 files changed, 30 insertions, 41 deletions
diff --git a/py/objset.c b/py/objset.c index d4a8a1a39..6dede887c 100644 --- a/py/objset.c +++ b/py/objset.c @@ -3,7 +3,7 @@ * * The MIT License (MIT) * - * Copyright (c) 2013, 2014 Damien P. George + * Copyright (c) 2013-2017 Damien P. George * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -57,23 +57,13 @@ STATIC bool is_set_or_frozenset(mp_obj_t o) { ; } +// This macro is shorthand for mp_check_self to verify the argument is a set. +#define check_set(o) mp_check_self(MP_OBJ_IS_TYPE(o, &mp_type_set)) + // This macro is shorthand for mp_check_self to verify the argument is a // set or frozenset for methods that operate on both of these types. #define check_set_or_frozenset(o) mp_check_self(is_set_or_frozenset(o)) -// This function is used to verify the argument for methods that modify -// the set object, and raises an exception if the arg is a frozenset. -STATIC void check_set(mp_obj_t o) { - #if MICROPY_PY_BUILTINS_FROZENSET - if (MP_OBJ_IS_TYPE(o, &mp_type_frozenset)) { - // Mutable method called on frozenset; emulate CPython behavior, eg: - // AttributeError: 'frozenset' object has no attribute 'add' - mp_raise_msg(&mp_type_AttributeError, "'frozenset' has no such attribute"); - } - #endif - mp_check_self(MP_OBJ_IS_TYPE(o, &mp_type_set)); -} - STATIC void set_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) { (void)kind; mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in); @@ -188,26 +178,16 @@ 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_as_mutable(mp_obj_t self_in) { +STATIC mp_obj_t set_copy(mp_obj_t self_in) { + check_set_or_frozenset(self_in); mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in); - mp_obj_set_t *other = m_new_obj(mp_obj_set_t); - other->base.type = &mp_type_set; + other->base.type = self->base.type; mp_set_init(&other->set, self->set.alloc); other->set.used = self->set.used; memcpy(other->set.table, self->set.table, self->set.alloc * sizeof(mp_obj_t)); - return MP_OBJ_FROM_PTR(other); } - -STATIC mp_obj_t set_copy(mp_obj_t self_in) { - check_set_or_frozenset(self_in); - - mp_obj_t other = set_copy_as_mutable(self_in); - ((mp_obj_base_t*)MP_OBJ_TO_PTR(other))->type = ((mp_obj_base_t*)MP_OBJ_TO_PTR(self_in))->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) { @@ -224,25 +204,23 @@ STATIC mp_obj_t set_diff_int(size_t n_args, const mp_obj_t *args, bool update) { check_set(args[0]); self = args[0]; } else { - check_set_or_frozenset(args[0]); - self = set_copy_as_mutable(args[0]); + self = set_copy(args[0]); } - for (size_t i = 1; i < n_args; i++) { mp_obj_t other = args[i]; if (self == other) { set_clear(self); } else { + mp_set_t *self_set = &((mp_obj_set_t*)MP_OBJ_TO_PTR(self))->set; mp_obj_t iter = mp_getiter(other, NULL); mp_obj_t next; while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) { - set_discard(self, next); + mp_set_lookup(self_set, next, MP_MAP_LOOKUP_REMOVE_IF_FOUND); } } } - ((mp_obj_base_t*)MP_OBJ_TO_PTR(self))->type = ((mp_obj_base_t*)MP_OBJ_TO_PTR(args[0]))->type; return self; } @@ -333,16 +311,16 @@ STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool other = MP_OBJ_TO_PTR(set_make_new(&mp_type_set, 1, 0, &other_in)); cleanup_other = true; } - bool out = true; + mp_obj_t out = mp_const_true; if (proper && self->set.used == other->set.used) { - out = false; + out = mp_const_false; } else { mp_obj_iter_buf_t iter_buf; mp_obj_t iter = set_getiter(MP_OBJ_FROM_PTR(self), &iter_buf); mp_obj_t next; while ((next = set_it_iternext(iter)) != MP_OBJ_STOP_ITERATION) { if (!mp_set_lookup(&other->set, next, MP_MAP_LOOKUP)) { - out = false; + out = mp_const_false; break; } } @@ -354,7 +332,7 @@ STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool if (cleanup_other) { set_clear(MP_OBJ_FROM_PTR(other)); } - return mp_obj_new_bool(out); + return out; } STATIC mp_obj_t set_issubset(mp_obj_t self_in, mp_obj_t other_in) { return set_issubset_internal(self_in, other_in, false); @@ -409,7 +387,7 @@ 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) { - check_set(self_in); + check_set_or_frozenset(self_in); // can be frozenset due to call from set_symmetric_difference mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in); mp_obj_t iter = mp_getiter(other_in, NULL); mp_obj_t next; @@ -421,10 +399,8 @@ 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) { - check_set_or_frozenset(self_in); - mp_obj_t self_out = set_copy_as_mutable(self_in); + mp_obj_t self_out = set_copy(self_in); set_symmetric_difference_update(self_out, other_in); - ((mp_obj_base_t*)MP_OBJ_TO_PTR(self_out))->type = ((mp_obj_base_t*)MP_OBJ_TO_PTR(self_in))->type; return self_out; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_obj, set_symmetric_difference); @@ -578,6 +554,19 @@ const mp_obj_type_t mp_type_set = { }; #if MICROPY_PY_BUILTINS_FROZENSET +STATIC const mp_rom_map_elem_t frozenset_locals_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_copy), MP_ROM_PTR(&set_copy_obj) }, + { MP_ROM_QSTR(MP_QSTR_difference), MP_ROM_PTR(&set_diff_obj) }, + { MP_ROM_QSTR(MP_QSTR_intersection), MP_ROM_PTR(&set_intersect_obj) }, + { MP_ROM_QSTR(MP_QSTR_isdisjoint), MP_ROM_PTR(&set_isdisjoint_obj) }, + { MP_ROM_QSTR(MP_QSTR_issubset), MP_ROM_PTR(&set_issubset_obj) }, + { MP_ROM_QSTR(MP_QSTR_issuperset), MP_ROM_PTR(&set_issuperset_obj) }, + { MP_ROM_QSTR(MP_QSTR_symmetric_difference), MP_ROM_PTR(&set_symmetric_difference_obj) }, + { MP_ROM_QSTR(MP_QSTR_union), MP_ROM_PTR(&set_union_obj) }, + { MP_ROM_QSTR(MP_QSTR___contains__), MP_ROM_PTR(&mp_op_contains_obj) }, +}; +STATIC MP_DEFINE_CONST_DICT(frozenset_locals_dict, frozenset_locals_dict_table); + const mp_obj_type_t mp_type_frozenset = { { &mp_type_type }, .name = MP_QSTR_frozenset, @@ -586,7 +575,7 @@ const mp_obj_type_t mp_type_frozenset = { .unary_op = set_unary_op, .binary_op = set_binary_op, .getiter = set_getiter, - .locals_dict = (mp_obj_dict_t*)&set_locals_dict, + .locals_dict = (mp_obj_dict_t*)&frozenset_locals_dict, }; #endif |