add circuitpython code

1 files changed, 309 insertions, 0 deletions

diff --git a/circuitpython/py/objtuple.c b/circuitpython/py/objtuple.c
new file mode 100644
index 0000000..90b0773
--- /dev/null
+++ b/circuitpython/py/objtuple.c
@@ -0,0 +1,309 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George
+ * SPDX-FileCopyrightText: Copyright (c) 2014-2017 Paul Sokolovsky
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <string.h>
+#include <assert.h>
+
+#include "py/objtuple.h"
+#include "py/runtime.h"
+#include "py/objtype.h"
+
+#include "supervisor/shared/translate.h"
+
+
+/******************************************************************************/
+/* tuple                                                                      */
+
+void mp_obj_tuple_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
+    mp_obj_tuple_t *o = MP_OBJ_TO_PTR(o_in);
+    const char *item_separator = ", ";
+    if (MICROPY_PY_UJSON && kind == PRINT_JSON) {
+        mp_print_str(print, "[");
+        #if MICROPY_PY_UJSON_SEPARATORS
+        item_separator = MP_PRINT_GET_EXT(print)->item_separator;
+        #endif
+    } else {
+        mp_print_str(print, "(");
+        kind = PRINT_REPR;
+    }
+    for (size_t i = 0; i < o->len; i++) {
+        if (i > 0) {
+            mp_print_str(print, item_separator);
+        }
+        mp_obj_print_helper(print, o->items[i], kind);
+    }
+    if (MICROPY_PY_UJSON && kind == PRINT_JSON) {
+        mp_print_str(print, "]");
+    } else {
+        if (o->len == 1) {
+            mp_print_str(print, ",");
+        }
+        mp_print_str(print, ")");
+    }
+}
+
+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) {
+    (void)type_in;
+
+    mp_arg_check_num(n_args, n_kw, 0, 1, false);
+
+    switch (n_args) {
+        case 0:
+            // return a empty tuple
+            return mp_const_empty_tuple;
+
+        case 1:
+        default: {
+            // 1 argument, an iterable from which we make a new tuple
+            if (mp_obj_is_type(args[0], &mp_type_tuple)) {
+                return args[0];
+            }
+
+            // TODO optimise for cases where we know the length of the iterator
+
+            size_t alloc = 4;
+            size_t len = 0;
+            mp_obj_t *items = m_new(mp_obj_t, alloc);
+
+            mp_obj_t iterable = mp_getiter(args[0], NULL);
+            mp_obj_t item;
+            while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
+                if (len >= alloc) {
+                    items = m_renew(mp_obj_t, items, alloc, alloc * 2);
+                    alloc *= 2;
+                }
+                items[len++] = item;
+            }
+
+            mp_obj_t tuple = mp_obj_new_tuple(len, items);
+            m_del(mp_obj_t, items, alloc);
+
+            return tuple;
+        }
+    }
+}
+
+// Don't pass MP_BINARY_OP_NOT_EQUAL here
+STATIC mp_obj_t tuple_cmp_helper(mp_uint_t op, mp_obj_t self_in, mp_obj_t another_in) {
+    mp_check_self(mp_obj_is_tuple_compatible(self_in));
+    const mp_obj_type_t *another_type = mp_obj_get_type(another_in);
+    mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
+    if (mp_type_get_getiter_slot(another_type) != mp_obj_tuple_getiter) {
+        // Slow path for user subclasses
+        another_in = mp_obj_cast_to_native_base(another_in, MP_OBJ_FROM_PTR(&mp_type_tuple));
+        if (another_in == MP_OBJ_NULL) {
+            return MP_OBJ_NULL;
+        }
+    }
+    mp_obj_tuple_t *another = MP_OBJ_TO_PTR(another_in);
+
+    return mp_obj_new_bool(mp_seq_cmp_objs(op, self->items, self->len, another->items, another->len));
+}
+
+mp_obj_t mp_obj_tuple_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
+    mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
+    switch (op) {
+        case MP_UNARY_OP_BOOL:
+            return mp_obj_new_bool(self->len != 0);
+        case MP_UNARY_OP_HASH: {
+            // start hash with pointer to empty tuple, to make it fairly unique
+            mp_int_t hash = (mp_int_t)mp_const_empty_tuple;
+            for (size_t i = 0; i < self->len; i++) {
+                hash += MP_OBJ_SMALL_INT_VALUE(mp_unary_op(MP_UNARY_OP_HASH, self->items[i]));
+            }
+            return MP_OBJ_NEW_SMALL_INT(hash);
+        }
+        case MP_UNARY_OP_LEN:
+            return MP_OBJ_NEW_SMALL_INT(self->len);
+        default:
+            return MP_OBJ_NULL;      // op not supported
+    }
+}
+
+mp_obj_t mp_obj_tuple_binary_op(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) {
+    mp_obj_tuple_t *o = MP_OBJ_TO_PTR(lhs);
+    switch (op) {
+        case MP_BINARY_OP_ADD:
+        case MP_BINARY_OP_INPLACE_ADD: {
+            if (!mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(mp_obj_get_type(rhs)), MP_OBJ_FROM_PTR(&mp_type_tuple))) {
+                return MP_OBJ_NULL; // op not supported
+            }
+            mp_obj_tuple_t *p = MP_OBJ_TO_PTR(rhs);
+            mp_obj_tuple_t *s = MP_OBJ_TO_PTR(mp_obj_new_tuple(o->len + p->len, NULL));
+            mp_seq_cat(s->items, o->items, o->len, p->items, p->len, mp_obj_t);
+            return MP_OBJ_FROM_PTR(s);
+        }
+        case MP_BINARY_OP_MULTIPLY:
+        case MP_BINARY_OP_INPLACE_MULTIPLY: {
+            mp_int_t n;
+            if (!mp_obj_get_int_maybe(rhs, &n)) {
+                return MP_OBJ_NULL; // op not supported
+            }
+            if (n <= 0) {
+                return mp_const_empty_tuple;
+            }
+            size_t new_len = mp_seq_multiply_len(o->len, n);
+            mp_obj_tuple_t *s = MP_OBJ_TO_PTR(mp_obj_new_tuple(new_len, NULL));
+            mp_seq_multiply(o->items, sizeof(*o->items), o->len, n, s->items);
+            return MP_OBJ_FROM_PTR(s);
+        }
+        case MP_BINARY_OP_EQUAL:
+        case MP_BINARY_OP_LESS:
+        case MP_BINARY_OP_LESS_EQUAL:
+        case MP_BINARY_OP_MORE:
+        case MP_BINARY_OP_MORE_EQUAL:
+            return tuple_cmp_helper(op, lhs, rhs);
+
+        default:
+            return MP_OBJ_NULL; // op not supported
+    }
+}
+
+mp_obj_t mp_obj_tuple_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
+    if (value == MP_OBJ_SENTINEL) {
+        // load
+        mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
+        // when called with a native type (eg namedtuple) using mp_obj_tuple_subscr, get the native self
+        if (mp_type_get_subscr_slot(self->base.type) != &mp_obj_tuple_subscr) {
+            self = MP_OBJ_TO_PTR(mp_obj_cast_to_native_base(self_in, MP_OBJ_FROM_PTR(&mp_type_tuple)));
+        }
+
+        #if MICROPY_PY_BUILTINS_SLICE
+        if (mp_obj_is_type(index, &mp_type_slice)) {
+            mp_bound_slice_t slice;
+            if (!mp_seq_get_fast_slice_indexes(self->len, index, &slice)) {
+                mp_raise_NotImplementedError(MP_ERROR_TEXT("only slices with step=1 (aka None) are supported"));
+            }
+            mp_obj_tuple_t *res = MP_OBJ_TO_PTR(mp_obj_new_tuple(slice.stop - slice.start, NULL));
+            mp_seq_copy(res->items, self->items + slice.start, res->len, mp_obj_t);
+            return MP_OBJ_FROM_PTR(res);
+        }
+        #endif
+        size_t index_value = mp_get_index(self->base.type, self->len, index, false);
+        return self->items[index_value];
+    } else {
+        return MP_OBJ_NULL; // op not supported
+    }
+}
+
+STATIC mp_obj_t tuple_count(mp_obj_t self_in, mp_obj_t value) {
+    mp_check_self(mp_obj_is_type(self_in, &mp_type_tuple));
+    mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
+    return mp_seq_count_obj(self->items, self->len, value);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(tuple_count_obj, tuple_count);
+
+STATIC mp_obj_t tuple_index(size_t n_args, const mp_obj_t *args) {
+    mp_check_self(mp_obj_is_type(args[0], &mp_type_tuple));
+    mp_obj_tuple_t *self = MP_OBJ_TO_PTR(args[0]);
+    return mp_seq_index_obj(self->items, self->len, n_args, args);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(tuple_index_obj, 2, 4, tuple_index);
+
+STATIC const mp_rom_map_elem_t tuple_locals_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_count), MP_ROM_PTR(&tuple_count_obj) },
+    { MP_ROM_QSTR(MP_QSTR_index), MP_ROM_PTR(&tuple_index_obj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(tuple_locals_dict, tuple_locals_dict_table);
+
+const mp_obj_type_t mp_type_tuple = {
+    { &mp_type_type },
+    .flags = MP_TYPE_FLAG_EXTENDED,
+    .name = MP_QSTR_tuple,
+    .print = mp_obj_tuple_print,
+    .make_new = mp_obj_tuple_make_new,
+    .locals_dict = (mp_obj_dict_t *)&tuple_locals_dict,
+    MP_TYPE_EXTENDED_FIELDS(
+        .unary_op = mp_obj_tuple_unary_op,
+        .binary_op = mp_obj_tuple_binary_op,
+        .subscr = mp_obj_tuple_subscr,
+        .getiter = mp_obj_tuple_getiter,
+        ),
+};
+
+// the zero-length tuple
+const mp_obj_tuple_t mp_const_empty_tuple_obj = {{&mp_type_tuple}, 0};
+
+mp_obj_t mp_obj_new_tuple(size_t n, const mp_obj_t *items) {
+    if (n == 0) {
+        return mp_const_empty_tuple;
+    }
+    mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n);
+    o->base.type = &mp_type_tuple;
+    o->len = n;
+    if (items) {
+        for (size_t i = 0; i < n; i++) {
+            o->items[i] = items[i];
+        }
+    }
+    return MP_OBJ_FROM_PTR(o);
+}
+
+void mp_obj_tuple_get(mp_obj_t self_in, size_t *len, mp_obj_t **items) {
+    assert(mp_obj_is_tuple_compatible(self_in));
+    mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
+    *len = self->len;
+    *items = &self->items[0];
+}
+
+void mp_obj_tuple_del(mp_obj_t self_in) {
+    assert(mp_obj_is_type(self_in, &mp_type_tuple));
+    mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
+    m_del_var(mp_obj_tuple_t, mp_obj_t, self->len, self);
+}
+
+/******************************************************************************/
+/* tuple iterator                                                             */
+
+typedef struct _mp_obj_tuple_it_t {
+    mp_obj_base_t base;
+    mp_fun_1_t iternext;
+    mp_obj_tuple_t *tuple;
+    size_t cur;
+} mp_obj_tuple_it_t;
+
+STATIC mp_obj_t tuple_it_iternext(mp_obj_t self_in) {
+    mp_obj_tuple_it_t *self = MP_OBJ_TO_PTR(self_in);
+    if (self->cur < self->tuple->len) {
+        mp_obj_t o_out = self->tuple->items[self->cur];
+        self->cur += 1;
+        return o_out;
+    } else {
+        return MP_OBJ_STOP_ITERATION;
+    }
+}
+
+mp_obj_t mp_obj_tuple_getiter(mp_obj_t o_in, mp_obj_iter_buf_t *iter_buf) {
+    assert(sizeof(mp_obj_tuple_it_t) <= sizeof(mp_obj_iter_buf_t));
+    mp_obj_tuple_it_t *o = (mp_obj_tuple_it_t *)iter_buf;
+    o->base.type = &mp_type_polymorph_iter;
+    o->iternext = tuple_it_iternext;
+    o->tuple = MP_OBJ_TO_PTR(o_in);
+    o->cur = 0;
+    return MP_OBJ_FROM_PTR(o);
+}