builtin.c 12 KB
Newer Older
1
2
3
4
5
6
7
8
9
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <assert.h>

#include "nlr.h"
#include "misc.h"
10
11
12
#include "mpconfig.h"
#include "obj.h"
#include "runtime0.h"
13
#include "runtime.h"
14
//#include "bc.h"
15
16
17
#include "map.h"
#include "builtin.h"

18
mp_obj_t mp_builtin___build_class__(mp_obj_t o_class_fun, mp_obj_t o_class_name) {
19
    // we differ from CPython: we set the new __locals__ object here
20
21
    mp_map_t *old_locals = rt_get_map_locals();
    mp_map_t *class_locals = mp_map_new(MP_MAP_QSTR, 0);
22
23
24
    rt_set_map_locals(class_locals);

    // call the class code
25
    rt_call_function_1(o_class_fun, (mp_obj_t)0xdeadbeef);
26
27
28
29
30

    // restore old __locals__ object
    rt_set_map_locals(old_locals);

    // create and return the new class
31
    return mp_obj_new_class(class_locals);
32
33
}

34
mp_obj_t mp_builtin___import__(int n, mp_obj_t *args) {
35
36
37
    printf("import:\n");
    for (int i = 0; i < n; i++) {
    printf("  ");
38
    mp_obj_print(args[i]);
39
40
    printf("\n");
    }
41
    return mp_const_none;
42
43
}

44
45
46
mp_obj_t mp_builtin___repl_print__(mp_obj_t o) {
    if (o != mp_const_none) {
        mp_obj_print(o);
47
48
        printf("\n");
    }
49
    return mp_const_none;
50
51
}

52
53
54
mp_obj_t mp_builtin_abs(mp_obj_t o_in) {
    if (MP_OBJ_IS_SMALL_INT(o_in)) {
        mp_small_int_t val = MP_OBJ_SMALL_INT_VALUE(o_in);
55
56
        if (val < 0) {
            val = -val;
57
        }
58
        return MP_OBJ_NEW_SMALL_INT(val);
59
#if MICROPY_ENABLE_FLOAT
60
61
    } else if (MP_OBJ_IS_TYPE(o_in, &float_type)) {
        mp_float_t value = mp_obj_float_get(o_in);
62
        // TODO check for NaN etc
63
64
        if (value < 0) {
            return mp_obj_new_float(-value);
65
        } else {
66
            return o_in;
67
        }
68
69
70
71
    } else if (MP_OBJ_IS_TYPE(o_in, &complex_type)) {
        mp_float_t real, imag;
        mp_obj_complex_get(o_in, &real, &imag);
        return mp_obj_new_float(machine_sqrt(real*real + imag*imag));
72
73
74
#endif
    } else {
        assert(0);
75
        return mp_const_none;
76
77
78
    }
}

79
80
81
82
mp_obj_t mp_builtin_all(mp_obj_t o_in) {
    mp_obj_t iterable = rt_getiter(o_in);
    mp_obj_t item;
    while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
83
        if (!rt_is_true(item)) {
84
            return mp_const_false;
85
86
        }
    }
87
    return mp_const_true;
88
89
}

90
91
92
93
mp_obj_t mp_builtin_any(mp_obj_t o_in) {
    mp_obj_t iterable = rt_getiter(o_in);
    mp_obj_t item;
    while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
94
        if (rt_is_true(item)) {
95
            return mp_const_true;
96
97
        }
    }
98
    return mp_const_false;
99
100
}

101
mp_obj_t mp_builtin_bool(int n_args, const mp_obj_t *args) {
102
    switch (n_args) {
103
104
105
        case 0: return mp_const_false;
        case 1: if (rt_is_true(args[0])) { return mp_const_true; } else { return mp_const_false; }
        default: nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "bool() takes at most 1 argument (%d given)", (void*)(machine_int_t)n_args));
106
107
108
    }
}

109
110
111
mp_obj_t mp_builtin_callable(mp_obj_t o_in) {
    if (mp_obj_is_callable(o_in)) {
        return mp_const_true;
112
    } else {
113
        return mp_const_false;
114
115
116
117
    }
}

#if MICROPY_ENABLE_FLOAT
118
mp_obj_t mp_builtin_complex(int n_args, const mp_obj_t *args) {
119
120
    switch (n_args) {
        case 0:
121
            return mp_obj_new_complex(0, 0);
122
123
124

        case 1:
            // TODO allow string as first arg
125
            if (MP_OBJ_IS_TYPE(args[0], &complex_type)) {
126
127
                return args[0];
            } else {
128
                return mp_obj_new_complex(mp_obj_get_float(args[0]), 0);
129
130
131
132
            }

        case 2:
        {
133
134
135
            mp_float_t real, imag;
            if (MP_OBJ_IS_TYPE(args[0], &complex_type)) {
                mp_obj_get_complex(args[0], &real, &imag);
136
            } else {
137
                real = mp_obj_get_float(args[0]);
138
139
                imag = 0;
            }
140
141
142
            if (MP_OBJ_IS_TYPE(args[1], &complex_type)) {
                mp_float_t real2, imag2;
                mp_obj_get_complex(args[1], &real2, &imag2);
143
144
145
                real -= imag2;
                imag += real2;
            } else {
146
                imag += mp_obj_get_float(args[1]);
147
            }
148
            return mp_obj_new_complex(real, imag);
149
150
        }

151
        default: nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "comlpex() takes at most 2 arguments (%d given)", (void*)(machine_int_t)n_args));
152
153
154
155
    }
}
#endif

156
157
mp_obj_t mp_builtin_chr(mp_obj_t o_in) {
    int ord = mp_obj_get_int(o_in);
158
159
160
161
    if (0 <= ord && ord <= 0x10ffff) {
        char *str = m_new(char, 2);
        str[0] = ord;
        str[1] = '\0';
162
        return mp_obj_new_str(qstr_from_str_take(str));
163
    } else {
164
        nlr_jump(mp_obj_new_exception_msg(rt_q_ValueError, "chr() arg not in range(0x110000)"));
165
    }
166
167
}

168
mp_obj_t mp_builtin_dict(void) {
169
170
171
172
    // TODO create from an iterable!
    return rt_build_map(0);
}

173
174
175
176
177
178
179
mp_obj_t mp_builtin_divmod(mp_obj_t o1_in, mp_obj_t o2_in) {
    if (MP_OBJ_IS_SMALL_INT(o1_in) && MP_OBJ_IS_SMALL_INT(o2_in)) {
        mp_small_int_t i1 = MP_OBJ_SMALL_INT_VALUE(o1_in);
        mp_small_int_t i2 = MP_OBJ_SMALL_INT_VALUE(o2_in);
        mp_obj_t revs_args[2];
        revs_args[1] = MP_OBJ_NEW_SMALL_INT(i1 / i2);
        revs_args[0] = MP_OBJ_NEW_SMALL_INT(i1 % i2);
180
181
        return rt_build_tuple(2, revs_args);
    } else {
182
        nlr_jump(mp_obj_new_exception_msg_2_args(rt_q_TypeError, "unsupported operand type(s) for divmod(): '%s' and '%s'", mp_obj_get_type_str(o1_in), mp_obj_get_type_str(o2_in)));
183
184
185
    }
}

186
static mp_obj_t mp_builtin_hash(mp_obj_t o_in) {
187
    // TODO hash will generally overflow small integer; can we safely truncate it?
188
    return mp_obj_new_int(mp_obj_hash(o_in));
189
190
}

191
MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_hash_obj, mp_builtin_hash);
192

193
194
static mp_obj_t mp_builtin_iter(mp_obj_t o_in) {
    return rt_getiter(o_in);
195
196
}

197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_iter_obj, mp_builtin_iter);

mp_obj_t mp_builtin_len(mp_obj_t o_in) {
    mp_small_int_t len = 0;
    if (MP_OBJ_IS_TYPE(o_in, &str_type)) {
        len = strlen(qstr_str(mp_obj_str_get(o_in)));
    } else if (MP_OBJ_IS_TYPE(o_in, &tuple_type)) {
        uint seq_len;
        mp_obj_t *seq_items;
        mp_obj_tuple_get(o_in, &seq_len, &seq_items);
        len = seq_len;
    } else if (MP_OBJ_IS_TYPE(o_in, &list_type)) {
        uint seq_len;
        mp_obj_t *seq_items;
        mp_obj_list_get(o_in, &seq_len, &seq_items);
        len = seq_len;
        /* TODO
    } else if (MP_OBJ_IS_TYPE(o_in, &dict_type)) {
        mp_obj_base_t *o = o_in;
216
        len = o->u_map.used;
217
        */
218
    } else {
219
        nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "object of type '%s' has no len()", mp_obj_get_type_str(o_in)));
220
    }
221
    return MP_OBJ_NEW_SMALL_INT(len);
222
223
}

224
mp_obj_t mp_builtin_list(int n_args, const mp_obj_t *args) {
225
226
227
228
229
    switch (n_args) {
        case 0: return rt_build_list(0, NULL);
        case 1:
        {
            // make list from iterable
230
231
232
233
            mp_obj_t iterable = rt_getiter(args[0]);
            mp_obj_t list = rt_build_list(0, NULL);
            mp_obj_t item;
            while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
234
235
236
                rt_list_append(list, item);
            }
            return list;
237
        }
238
        default: nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "list() takes at most 1 argument (%d given)", (void*)(machine_int_t)n_args));
239
240
241
    }
}

242
mp_obj_t mp_builtin_max(int n_args, const mp_obj_t *args) {
243
244
    if (n_args == 1) {
        // given an iterable
245
246
247
248
249
        mp_obj_t iterable = rt_getiter(args[0]);
        mp_obj_t max_obj = NULL;
        mp_obj_t item;
        while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
            if (max_obj == NULL || mp_obj_less(max_obj, item)) {
250
251
                max_obj = item;
            }
252
        }
253
        if (max_obj == NULL) {
254
            nlr_jump(mp_obj_new_exception_msg(rt_q_ValueError, "max() arg is an empty sequence"));
255
256
        }
        return max_obj;
257
    } else {
258
        // given many args
259
        mp_obj_t max_obj = args[0];
260
        for (int i = 1; i < n_args; i++) {
261
            if (mp_obj_less(max_obj, args[i])) {
262
263
264
265
                max_obj = args[i];
            }
        }
        return max_obj;
266
267
268
    }
}

269
mp_obj_t mp_builtin_min(int n_args, const mp_obj_t *args) {
270
271
    if (n_args == 1) {
        // given an iterable
272
273
274
275
276
        mp_obj_t iterable = rt_getiter(args[0]);
        mp_obj_t min_obj = NULL;
        mp_obj_t item;
        while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
            if (min_obj == NULL || mp_obj_less(item, min_obj)) {
277
278
279
280
                min_obj = item;
            }
        }
        if (min_obj == NULL) {
281
            nlr_jump(mp_obj_new_exception_msg(rt_q_ValueError, "min() arg is an empty sequence"));
282
283
284
285
        }
        return min_obj;
    } else {
        // given many args
286
        mp_obj_t min_obj = args[0];
287
        for (int i = 1; i < n_args; i++) {
288
            if (mp_obj_less(args[i], min_obj)) {
289
290
291
292
293
294
                min_obj = args[i];
            }
        }
        return min_obj;
    }
}
295

296
297
298
299
300
301
302
303
static mp_obj_t mp_builtin_next(mp_obj_t o_in) {
    return mp_obj_gen_instance_next(o_in);
}

MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_next_obj, mp_builtin_next);

mp_obj_t mp_builtin_ord(mp_obj_t o_in) {
    const char *str = qstr_str(mp_obj_get_qstr(o_in));
304
    if (strlen(str) == 1) {
305
        return mp_obj_new_int(str[0]);
306
    } else {
307
        nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "ord() expected a character, but string of length %d found", (void*)(machine_int_t)strlen(str)));
308
309
    }
}
310

311
mp_obj_t mp_builtin_pow(int n_args, const mp_obj_t *args) {
312
313
314
    switch (n_args) {
        case 2: return rt_binary_op(RT_BINARY_OP_POWER, args[0], args[1]);
        case 3: return rt_binary_op(RT_BINARY_OP_MODULO, rt_binary_op(RT_BINARY_OP_POWER, args[0], args[1]), args[2]); // TODO optimise...
315
        default: nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "pow expected at most 3 arguments, got %d", (void*)(machine_int_t)n_args));
316
317
    }
}
318

319
mp_obj_t mp_builtin_print(int n_args, const mp_obj_t *args) {
320
321
322
323
    for (int i = 0; i < n_args; i++) {
        if (i > 0) {
            printf(" ");
        }
324
        if (MP_OBJ_IS_TYPE(args[i], &str_type)) {
325
            // special case, print string raw
326
            printf("%s", qstr_str(mp_obj_str_get(args[i])));
327
328
        } else {
            // print the object Python style
329
            mp_obj_print(args[i]);
330
331
332
        }
    }
    printf("\n");
333
    return mp_const_none;
334
335
}

336
mp_obj_t mp_builtin_range(int n_args, const mp_obj_t *args) {
337
    switch (n_args) {
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
        case 1: return mp_obj_new_range(0, mp_obj_get_int(args[0]), 1);
        case 2: return mp_obj_new_range(mp_obj_get_int(args[0]), mp_obj_get_int(args[1]), 1);
        case 3: return mp_obj_new_range(mp_obj_get_int(args[0]), mp_obj_get_int(args[1]), mp_obj_get_int(args[2]));
        default: nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "range expected at most 3 arguments, got %d", (void*)(machine_int_t)n_args));
    }
}

static mp_obj_t mp_builtin_set(int n_args, const mp_obj_t *args) {
    assert(0 <= n_args && n_args <= 1);

    if (n_args == 0) {
        // return a new, empty set
        return mp_obj_new_set(0, NULL);
    } else {
        // 1 argument, an iterable from which we make a new set
        mp_obj_t set = mp_obj_new_set(0, NULL);
        mp_obj_t iterable = rt_getiter(args[0]);
        mp_obj_t item;
        while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
            mp_obj_set_store(set, item);
        }
        return set;
360
361
    }
}
362

363
364
365
366
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_set_obj, 0, 1, mp_builtin_set);

mp_obj_t mp_builtin_sum(int n_args, const mp_obj_t *args) {
    mp_obj_t value;
367
    switch (n_args) {
368
        case 1: value = mp_obj_new_int(0); break;
369
        case 2: value = args[1]; break;
370
        default: nlr_jump(mp_obj_new_exception_msg_1_arg(rt_q_TypeError, "sum expected at most 2 arguments, got %d", (void*)(machine_int_t)n_args));
371
    }
372
373
374
    mp_obj_t iterable = rt_getiter(args[0]);
    mp_obj_t item;
    while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
375
376
377
378
        value = rt_binary_op(RT_BINARY_OP_ADD, value, item);
    }
    return value;
}