Damien George | 04b9147 | 2014-05-03 23:27:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the Micro Python project, http://micropython.org/ |
| 3 | * |
| 4 | * The MIT License (MIT) |
| 5 | * |
| 6 | * Copyright (c) 2013, 2014 Damien P. George |
Paul Sokolovsky | da9f092 | 2014-05-13 08:44:45 +0300 | [diff] [blame] | 7 | * Copyright (c) 2014 Paul Sokolovsky |
Damien George | 04b9147 | 2014-05-03 23:27:38 +0100 | [diff] [blame] | 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 10 | * of this software and associated documentation files (the "Software"), to deal |
| 11 | * in the Software without restriction, including without limitation the rights |
| 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 13 | * copies of the Software, and to permit persons to whom the Software is |
| 14 | * furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 25 | * THE SOFTWARE. |
| 26 | */ |
| 27 | |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 28 | #include <string.h> |
| 29 | |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 30 | #include "mpconfig.h" |
Paul Sokolovsky | f54bcbf | 2014-05-02 17:47:01 +0300 | [diff] [blame] | 31 | #include "misc.h" |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 32 | #include "nlr.h" |
| 33 | #include "qstr.h" |
| 34 | #include "obj.h" |
| 35 | #include "objtuple.h" |
| 36 | |
Damien George | ee3fd46 | 2014-05-24 23:03:12 +0100 | [diff] [blame] | 37 | #if MICROPY_PY_COLLECTIONS |
Damien George | 107c9fb | 2014-04-26 10:31:15 +0100 | [diff] [blame] | 38 | |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 39 | typedef struct _mp_obj_namedtuple_type_t { |
| 40 | mp_obj_type_t base; |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 41 | mp_uint_t n_fields; |
| 42 | mp_obj_t fields[]; |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 43 | } mp_obj_namedtuple_type_t; |
| 44 | |
| 45 | typedef struct _mp_obj_namedtuple_t { |
| 46 | mp_obj_tuple_t tuple; |
| 47 | } mp_obj_namedtuple_t; |
| 48 | |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 49 | STATIC mp_uint_t namedtuple_find_field(mp_obj_namedtuple_type_t *type, qstr name) { |
| 50 | for (mp_uint_t i = 0; i < type->n_fields; i++) { |
| 51 | if (MP_OBJ_QSTR_VALUE(type->fields[i]) == name) { |
| 52 | return i; |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 53 | } |
| 54 | } |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 55 | return -1; |
| 56 | } |
| 57 | |
| 58 | STATIC void namedtuple_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) { |
| 59 | mp_obj_namedtuple_t *o = o_in; |
| 60 | print(env, "%s(", qstr_str(o->tuple.base.type->name)); |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 61 | const mp_obj_t *fields = ((mp_obj_namedtuple_type_t*)o->tuple.base.type)->fields; |
Damien George | 42f3de9 | 2014-10-03 17:44:14 +0000 | [diff] [blame] | 62 | for (mp_uint_t i = 0; i < o->tuple.len; i++) { |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 63 | if (i > 0) { |
Damien George | 42f3de9 | 2014-10-03 17:44:14 +0000 | [diff] [blame] | 64 | print(env, ", "); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 65 | } |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 66 | print(env, "%s=", qstr_str(MP_OBJ_QSTR_VALUE(fields[i]))); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 67 | mp_obj_print_helper(print, env, o->tuple.items[i], PRINT_REPR); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 68 | } |
| 69 | print(env, ")"); |
| 70 | } |
| 71 | |
| 72 | STATIC void namedtuple_load_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) { |
| 73 | mp_obj_namedtuple_t *self = self_in; |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 74 | int id = namedtuple_find_field((mp_obj_namedtuple_type_t*)self->tuple.base.type, attr); |
| 75 | if (id == -1) { |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 76 | return; |
| 77 | } |
| 78 | dest[0] = self->tuple.items[id]; |
| 79 | } |
| 80 | |
| 81 | STATIC bool namedtuple_store_attr(mp_obj_t self_in, qstr attr, mp_obj_t value) { |
Damien George | ea13f40 | 2014-04-05 18:32:08 +0100 | [diff] [blame] | 82 | nlr_raise(mp_obj_new_exception_msg(&mp_type_AttributeError, "can't set attribute")); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 83 | } |
| 84 | |
Damien George | ecc88e9 | 2014-08-30 00:35:11 +0100 | [diff] [blame] | 85 | STATIC mp_obj_t namedtuple_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 86 | mp_obj_namedtuple_type_t *type = type_in; |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 87 | mp_uint_t num_fields = type->n_fields; |
| 88 | if (n_args + n_kw != num_fields) { |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 89 | // Counts include implicit "self" |
Damien George | ea13f40 | 2014-04-05 18:32:08 +0100 | [diff] [blame] | 90 | nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 91 | "__new__() takes %d positional arguments but %d were given", |
| 92 | num_fields + 1, n_args + 1)); |
| 93 | } |
| 94 | mp_obj_tuple_t *tuple = mp_obj_new_tuple(n_args, args); |
| 95 | tuple->base.type = type_in; |
| 96 | return tuple; |
| 97 | } |
| 98 | |
Damien George | 07ddab5 | 2014-03-29 13:15:08 +0000 | [diff] [blame] | 99 | STATIC const mp_obj_tuple_t namedtuple_base_tuple = {{&mp_type_tuple}, 1, {(mp_obj_t)&mp_type_tuple}}; |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 100 | |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 101 | STATIC mp_obj_t mp_obj_new_namedtuple_type(qstr name, mp_uint_t n_fields, mp_obj_t *fields) { |
| 102 | mp_obj_namedtuple_type_t *o = m_new_obj_var(mp_obj_namedtuple_type_t, mp_obj_t, n_fields); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 103 | o->base.base.type = &mp_type_type; |
| 104 | o->base.name = name; |
| 105 | o->base.print = namedtuple_print; |
| 106 | o->base.make_new = namedtuple_make_new; |
Damien George | 2323ef9 | 2014-05-11 18:00:45 +0100 | [diff] [blame] | 107 | o->base.unary_op = mp_obj_tuple_unary_op; |
| 108 | o->base.binary_op = mp_obj_tuple_binary_op; |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 109 | o->base.load_attr = namedtuple_load_attr; |
| 110 | o->base.store_attr = namedtuple_store_attr; |
Damien George | 2323ef9 | 2014-05-11 18:00:45 +0100 | [diff] [blame] | 111 | o->base.subscr = mp_obj_tuple_subscr; |
| 112 | o->base.getiter = mp_obj_tuple_getiter; |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 113 | o->base.bases_tuple = (mp_obj_t)&namedtuple_base_tuple; |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 114 | o->n_fields = n_fields; |
| 115 | memcpy(o->fields, fields, sizeof(mp_obj_t) * n_fields); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 116 | return o; |
| 117 | } |
| 118 | |
| 119 | STATIC mp_obj_t new_namedtuple_type(mp_obj_t name_in, mp_obj_t fields_in) { |
| 120 | qstr name = MP_OBJ_QSTR_VALUE(name_in); |
stijn | 1234014 | 2014-12-20 16:37:40 +0100 | [diff] [blame^] | 121 | mp_uint_t n_fields; |
| 122 | mp_obj_t *fields; |
| 123 | mp_obj_list_get(fields_in, &n_fields, &fields); |
| 124 | return mp_obj_new_namedtuple_type(name, n_fields, fields); |
Paul Sokolovsky | d08fd68 | 2014-02-27 22:22:04 +0200 | [diff] [blame] | 125 | } |
| 126 | MP_DEFINE_CONST_FUN_OBJ_2(mp_namedtuple_obj, new_namedtuple_type); |
Damien George | 107c9fb | 2014-04-26 10:31:15 +0100 | [diff] [blame] | 127 | |
Damien George | ee3fd46 | 2014-05-24 23:03:12 +0100 | [diff] [blame] | 128 | #endif // MICROPY_PY_COLLECTIONS |