58321dd985
The unary-op/binary-op enums are already defined, and there are no arithmetic tricks used with these types, so it makes sense to use the correct enum type for arguments that take these values. It also reduces code size quite a bit for nan-boxing builds.
292 lines
10 KiB
C
292 lines
10 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include <assert.h>
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#include "py/nlr.h"
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#include "py/objtuple.h"
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#include "py/runtime0.h"
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#include "py/runtime.h"
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/******************************************************************************/
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/* tuple */
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void mp_obj_tuple_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
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mp_obj_tuple_t *o = MP_OBJ_TO_PTR(o_in);
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if (MICROPY_PY_UJSON && kind == PRINT_JSON) {
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mp_print_str(print, "[");
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} else {
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mp_print_str(print, "(");
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kind = PRINT_REPR;
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}
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for (size_t i = 0; i < o->len; i++) {
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if (i > 0) {
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mp_print_str(print, ", ");
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}
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mp_obj_print_helper(print, o->items[i], kind);
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}
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if (MICROPY_PY_UJSON && kind == PRINT_JSON) {
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mp_print_str(print, "]");
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} else {
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if (o->len == 1) {
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mp_print_str(print, ",");
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}
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mp_print_str(print, ")");
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}
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}
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STATIC mp_obj_t mp_obj_tuple_make_new(const mp_obj_type_t *type_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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(void)type_in;
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mp_arg_check_num(n_args, n_kw, 0, 1, false);
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switch (n_args) {
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case 0:
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// return a empty tuple
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return mp_const_empty_tuple;
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case 1:
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default: {
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// 1 argument, an iterable from which we make a new tuple
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if (MP_OBJ_IS_TYPE(args[0], &mp_type_tuple)) {
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return args[0];
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}
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// TODO optimise for cases where we know the length of the iterator
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size_t alloc = 4;
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size_t len = 0;
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mp_obj_t *items = m_new(mp_obj_t, alloc);
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mp_obj_t iterable = mp_getiter(args[0], NULL);
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mp_obj_t item;
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while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
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if (len >= alloc) {
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items = m_renew(mp_obj_t, items, alloc, alloc * 2);
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alloc *= 2;
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}
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items[len++] = item;
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}
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mp_obj_t tuple = mp_obj_new_tuple(len, items);
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m_del(mp_obj_t, items, alloc);
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return tuple;
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}
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}
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}
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// Don't pass MP_BINARY_OP_NOT_EQUAL here
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STATIC bool tuple_cmp_helper(mp_uint_t op, mp_obj_t self_in, mp_obj_t another_in) {
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// type check is done on getiter method to allow tuple, namedtuple, attrtuple
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mp_check_self(mp_obj_get_type(self_in)->getiter == mp_obj_tuple_getiter);
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mp_obj_type_t *another_type = mp_obj_get_type(another_in);
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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if (another_type->getiter != mp_obj_tuple_getiter) {
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// Slow path for user subclasses
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another_in = mp_instance_cast_to_native_base(another_in, MP_OBJ_FROM_PTR(&mp_type_tuple));
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if (another_in == MP_OBJ_NULL) {
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return false;
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}
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}
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mp_obj_tuple_t *another = MP_OBJ_TO_PTR(another_in);
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return mp_seq_cmp_objs(op, self->items, self->len, another->items, another->len);
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}
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mp_obj_t mp_obj_tuple_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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switch (op) {
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case MP_UNARY_OP_BOOL: return mp_obj_new_bool(self->len != 0);
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case MP_UNARY_OP_HASH: {
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// start hash with pointer to empty tuple, to make it fairly unique
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mp_int_t hash = (mp_int_t)mp_const_empty_tuple;
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for (size_t i = 0; i < self->len; i++) {
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hash += MP_OBJ_SMALL_INT_VALUE(mp_unary_op(MP_UNARY_OP_HASH, self->items[i]));
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}
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return MP_OBJ_NEW_SMALL_INT(hash);
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}
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case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT(self->len);
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default: return MP_OBJ_NULL; // op not supported
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}
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}
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mp_obj_t mp_obj_tuple_binary_op(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) {
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mp_obj_tuple_t *o = MP_OBJ_TO_PTR(lhs);
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switch (op) {
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case MP_BINARY_OP_ADD:
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case MP_BINARY_OP_INPLACE_ADD: {
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if (!mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(mp_obj_get_type(rhs)), MP_OBJ_FROM_PTR(&mp_type_tuple))) {
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return MP_OBJ_NULL; // op not supported
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}
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mp_obj_tuple_t *p = MP_OBJ_TO_PTR(rhs);
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mp_obj_tuple_t *s = MP_OBJ_TO_PTR(mp_obj_new_tuple(o->len + p->len, NULL));
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mp_seq_cat(s->items, o->items, o->len, p->items, p->len, mp_obj_t);
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return MP_OBJ_FROM_PTR(s);
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}
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case MP_BINARY_OP_MULTIPLY:
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case MP_BINARY_OP_INPLACE_MULTIPLY: {
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mp_int_t n;
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if (!mp_obj_get_int_maybe(rhs, &n)) {
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return MP_OBJ_NULL; // op not supported
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}
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if (n <= 0) {
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return mp_const_empty_tuple;
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}
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mp_obj_tuple_t *s = MP_OBJ_TO_PTR(mp_obj_new_tuple(o->len * n, NULL));
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mp_seq_multiply(o->items, sizeof(*o->items), o->len, n, s->items);
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return MP_OBJ_FROM_PTR(s);
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}
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case MP_BINARY_OP_EQUAL:
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case MP_BINARY_OP_LESS:
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case MP_BINARY_OP_LESS_EQUAL:
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case MP_BINARY_OP_MORE:
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case MP_BINARY_OP_MORE_EQUAL:
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return mp_obj_new_bool(tuple_cmp_helper(op, lhs, rhs));
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default:
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return MP_OBJ_NULL; // op not supported
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}
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}
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mp_obj_t mp_obj_tuple_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
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if (value == MP_OBJ_SENTINEL) {
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// load
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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#if MICROPY_PY_BUILTINS_SLICE
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if (MP_OBJ_IS_TYPE(index, &mp_type_slice)) {
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mp_bound_slice_t slice;
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if (!mp_seq_get_fast_slice_indexes(self->len, index, &slice)) {
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mp_raise_NotImplementedError("only slices with step=1 (aka None) are supported");
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}
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mp_obj_tuple_t *res = MP_OBJ_TO_PTR(mp_obj_new_tuple(slice.stop - slice.start, NULL));
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mp_seq_copy(res->items, self->items + slice.start, res->len, mp_obj_t);
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return MP_OBJ_FROM_PTR(res);
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}
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#endif
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size_t index_value = mp_get_index(self->base.type, self->len, index, false);
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return self->items[index_value];
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} else {
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return MP_OBJ_NULL; // op not supported
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}
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}
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STATIC mp_obj_t tuple_count(mp_obj_t self_in, mp_obj_t value) {
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mp_check_self(MP_OBJ_IS_TYPE(self_in, &mp_type_tuple));
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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return mp_seq_count_obj(self->items, self->len, value);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(tuple_count_obj, tuple_count);
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STATIC mp_obj_t tuple_index(size_t n_args, const mp_obj_t *args) {
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mp_check_self(MP_OBJ_IS_TYPE(args[0], &mp_type_tuple));
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(args[0]);
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return mp_seq_index_obj(self->items, self->len, n_args, args);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(tuple_index_obj, 2, 4, tuple_index);
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STATIC const mp_rom_map_elem_t tuple_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_count), MP_ROM_PTR(&tuple_count_obj) },
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{ MP_ROM_QSTR(MP_QSTR_index), MP_ROM_PTR(&tuple_index_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(tuple_locals_dict, tuple_locals_dict_table);
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const mp_obj_type_t mp_type_tuple = {
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{ &mp_type_type },
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.name = MP_QSTR_tuple,
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.print = mp_obj_tuple_print,
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.make_new = mp_obj_tuple_make_new,
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.unary_op = mp_obj_tuple_unary_op,
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.binary_op = mp_obj_tuple_binary_op,
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.subscr = mp_obj_tuple_subscr,
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.getiter = mp_obj_tuple_getiter,
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.locals_dict = (mp_obj_dict_t*)&tuple_locals_dict,
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};
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// the zero-length tuple
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const mp_obj_tuple_t mp_const_empty_tuple_obj = {{&mp_type_tuple}, 0};
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mp_obj_t mp_obj_new_tuple(size_t n, const mp_obj_t *items) {
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if (n == 0) {
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return mp_const_empty_tuple;
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}
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mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n);
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o->base.type = &mp_type_tuple;
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o->len = n;
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if (items) {
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for (size_t i = 0; i < n; i++) {
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o->items[i] = items[i];
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}
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}
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return MP_OBJ_FROM_PTR(o);
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}
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void mp_obj_tuple_get(mp_obj_t self_in, size_t *len, mp_obj_t **items) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_tuple));
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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*len = self->len;
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*items = &self->items[0];
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}
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void mp_obj_tuple_del(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_tuple));
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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m_del_var(mp_obj_tuple_t, mp_obj_t, self->len, self);
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}
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/******************************************************************************/
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/* tuple iterator */
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typedef struct _mp_obj_tuple_it_t {
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mp_obj_base_t base;
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mp_fun_1_t iternext;
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mp_obj_tuple_t *tuple;
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size_t cur;
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} mp_obj_tuple_it_t;
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STATIC mp_obj_t tuple_it_iternext(mp_obj_t self_in) {
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mp_obj_tuple_it_t *self = MP_OBJ_TO_PTR(self_in);
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if (self->cur < self->tuple->len) {
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mp_obj_t o_out = self->tuple->items[self->cur];
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self->cur += 1;
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return o_out;
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} else {
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return MP_OBJ_STOP_ITERATION;
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}
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}
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mp_obj_t mp_obj_tuple_getiter(mp_obj_t o_in, mp_obj_iter_buf_t *iter_buf) {
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assert(sizeof(mp_obj_tuple_it_t) <= sizeof(mp_obj_iter_buf_t));
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mp_obj_tuple_it_t *o = (mp_obj_tuple_it_t*)iter_buf;
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o->base.type = &mp_type_polymorph_iter;
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o->iternext = tuple_it_iternext;
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o->tuple = MP_OBJ_TO_PTR(o_in);
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o->cur = 0;
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return MP_OBJ_FROM_PTR(o);
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}
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