emitcpy.c 25.3 KB
Newer Older
Damien's avatar
Damien committed
1
2
3
4
5
6
7
8
#include <unistd.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>

#include "misc.h"
9
#include "mpconfig.h"
10
#include "qstr.h"
Damien's avatar
Damien committed
11
12
13
#include "lexer.h"
#include "parse.h"
#include "scope.h"
14
#include "runtime0.h"
Damien's avatar
Damien committed
15
16
#include "emit.h"

17
// wrapper around everything in this file
18
#if MICROPY_EMIT_CPYTHON
Damien's avatar
Damien committed
19

20
struct _emit_t {
Damien's avatar
Damien committed
21
22
23
24
25
26
27
    int pass;
    int byte_code_offset;
    int stack_size;
    bool last_emit_was_return_value;

    scope_t *scope;

28
    uint max_num_labels;
Damien's avatar
Damien committed
29
30
31
    int *label_offsets;
};

32
33
34
35
36
37
38
emit_t *emit_cpython_new(uint max_num_labels) {
    emit_t *emit = m_new(emit_t, 1);
    emit->max_num_labels = max_num_labels;
    emit->label_offsets = m_new(int, max_num_labels);
    return emit;
}

39
static void emit_cpy_set_native_types(emit_t *emit, bool do_native_types) {
Damien's avatar
Damien committed
40
41
}

42
static void emit_cpy_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope) {
Damien's avatar
Damien committed
43
44
45
46
47
    emit->pass = pass;
    emit->byte_code_offset = 0;
    emit->stack_size = 0;
    emit->last_emit_was_return_value = false;
    emit->scope = scope;
48
49
    if (pass == PASS_2) {
        memset(emit->label_offsets, -1, emit->max_num_labels * sizeof(int));
Damien's avatar
Damien committed
50
51
52
    }
}

53
static void emit_cpy_end_pass(emit_t *emit) {
Damien's avatar
Damien committed
54
55
56
57
58
59
    // check stack is back to zero size
    if (emit->stack_size != 0) {
        printf("ERROR: stack size not back to zero; got %d\n", emit->stack_size);
    }
}

60
static bool emit_cpy_last_emit_was_return_value(emit_t *emit) {
Damien's avatar
Damien committed
61
62
63
    return emit->last_emit_was_return_value;
}

64
static int emit_cpy_get_stack_size(emit_t *emit) {
Damien's avatar
Damien committed
65
66
67
    return emit->stack_size;
}

68
static void emit_cpy_set_stack_size(emit_t *emit, int size) {
Damien's avatar
Damien committed
69
70
71
    emit->stack_size = size;
}

72
73
74
static void emit_cpy_set_source_line(emit_t *emit, int source_line) {
}

75
static void emit_cpy_load_id(emit_t *emit, qstr qstr) {
76
    emit_common_load_id(emit, &emit_cpython_method_table, emit->scope, qstr);
77
78
79
}

static void emit_cpy_store_id(emit_t *emit, qstr qstr) {
80
    emit_common_store_id(emit, &emit_cpython_method_table, emit->scope, qstr);
81
82
83
}

static void emit_cpy_delete_id(emit_t *emit, qstr qstr) {
84
    emit_common_delete_id(emit, &emit_cpython_method_table, emit->scope, qstr);
85
86
}

87
static void emit_pre(emit_t *emit, int stack_size_delta, int byte_code_size) {
Damien's avatar
Damien committed
88
    emit->stack_size += stack_size_delta;
89
    if (emit->stack_size > emit->scope->stack_size) {
Damien's avatar
Damien committed
90
91
92
93
94
95
96
97
98
99
100
101
102
        emit->scope->stack_size = emit->stack_size;
    }
    emit->last_emit_was_return_value = false;
    if (emit->pass == PASS_3 && byte_code_size > 0) {
        if (emit->byte_code_offset >= 1000) {
            printf("%d ", emit->byte_code_offset);
        } else {
            printf("% 4d ", emit->byte_code_offset);
        }
    }
    emit->byte_code_offset += byte_code_size;
}

103
static void emit_cpy_label_assign(emit_t *emit, int l) {
Damien's avatar
Damien committed
104
    emit_pre(emit, 0, 0);
105
106
107
108
109
110
111
112
113
    assert(l < emit->max_num_labels);
    if (emit->pass == PASS_2) {
        // assign label offset
        assert(emit->label_offsets[l] == -1);
        emit->label_offsets[l] = emit->byte_code_offset;
    } else if (emit->pass == PASS_3) {
        // ensure label offset has not changed from PASS_2 to PASS_3
        assert(emit->label_offsets[l] == emit->byte_code_offset);
        //printf("l%d: (at %d)\n", l, emit->byte_code_offset);
Damien's avatar
Damien committed
114
115
116
    }
}

117
static void emit_cpy_import_name(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
118
119
120
121
122
123
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("IMPORT_NAME %s\n", qstr_str(qstr));
    }
}

124
static void emit_cpy_import_from(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
125
126
127
128
129
130
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("IMPORT_FROM %s\n", qstr_str(qstr));
    }
}

131
static void emit_cpy_import_star(emit_t *emit) {
Damien's avatar
Damien committed
132
133
134
135
136
137
    emit_pre(emit, -1, 1);
    if (emit->pass == PASS_3) {
        printf("IMPORT_STAR\n");
    }
}

138
static void emit_cpy_load_const_tok(emit_t *emit, mp_token_kind_t tok) {
Damien's avatar
Damien committed
139
140
141
142
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST ");
        switch (tok) {
143
144
145
            case MP_TOKEN_KW_FALSE: printf("False"); break;
            case MP_TOKEN_KW_NONE: printf("None"); break;
            case MP_TOKEN_KW_TRUE: printf("True"); break;
Damien's avatar
Damien committed
146
147
148
149
150
151
            default: printf("?=%d\n", tok); return; assert(0);
        }
        printf("\n");
    }
}

152
static void emit_cpy_load_const_small_int(emit_t *emit, int arg) {
Damien's avatar
Damien committed
153
154
155
156
157
158
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST %d\n", arg);
    }
}

159
static void emit_cpy_load_const_int(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
160
161
162
163
164
165
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST %s\n", qstr_str(qstr));
    }
}

166
static void emit_cpy_load_const_dec(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
167
168
169
170
171
172
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST %s\n", qstr_str(qstr));
    }
}

173
static void emit_cpy_load_const_id(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
174
175
176
177
178
179
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST '%s'\n", qstr_str(qstr));
    }
}

180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
static void print_quoted_str(qstr qstr, bool bytes) {
    const char *str = qstr_str(qstr);
    int len = strlen(str);
    bool has_single_quote = false;
    bool has_double_quote = false;
    for (int i = 0; i < len; i++) {
        if (str[i] == '\'') {
            has_single_quote = true;
        } else if (str[i] == '"') {
            has_double_quote = true;
        }
    }
    if (bytes) {
        printf("b");
    }
    bool quote_single = false;
    if (has_single_quote && !has_double_quote) {
        printf("\"");
    } else {
        quote_single = true;
        printf("'");
    }
    for (int i = 0; i < len; i++) {
        if (str[i] == '\n') {
            printf("\\n");
        } else if (str[i] == '\\') {
            printf("\\\\");
        } else if (str[i] == '\'' && quote_single) {
            printf("\\'");
        } else {
            printf("%c", str[i]);
        }
    }
    if (has_single_quote && !has_double_quote) {
        printf("\"");
    } else {
        printf("'");
Damien's avatar
Damien committed
217
218
219
    }
}

220
static void emit_cpy_load_const_str(emit_t *emit, qstr qstr, bool bytes) {
Damien's avatar
Damien committed
221
222
223
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST ");
224
225
        print_quoted_str(qstr, bytes);
        printf("\n");
Damien's avatar
Damien committed
226
227
228
    }
}

229
static void emit_cpy_load_const_verbatim_str(emit_t *emit, const char *str) {
230
    emit_pre(emit, 1, 3);
Damien's avatar
Damien committed
231
    if (emit->pass == PASS_3) {
232
        printf("LOAD_CONST %s\n", str);
Damien's avatar
Damien committed
233
234
235
    }
}

236
static void emit_cpy_load_fast(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
237
238
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
239
        printf("LOAD_FAST %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
240
241
242
    }
}

Damien's avatar
Damien committed
243
static void emit_cpy_load_deref(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
244
245
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
246
        printf("LOAD_DEREF %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
247
248
249
    }
}

Damien's avatar
Damien committed
250
static void emit_cpy_load_closure(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
251
252
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
253
        printf("LOAD_CLOSURE %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
254
255
256
    }
}

Damien's avatar
Damien committed
257
static void emit_cpy_load_name(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
258
259
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
260
        printf("LOAD_NAME %s\n", qstr_str(qstr));
Damien's avatar
Damien committed
261
262
263
    }
}

Damien's avatar
Damien committed
264
static void emit_cpy_load_global(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
265
266
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
267
        printf("LOAD_GLOBAL %s\n", qstr_str(qstr));
Damien's avatar
Damien committed
268
269
270
    }
}

271
static void emit_cpy_load_attr(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
272
273
274
275
276
277
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_ATTR %s\n", qstr_str(qstr));
    }
}

278
279
static void emit_cpy_load_method(emit_t *emit, qstr qstr) {
    emit_cpy_load_attr(emit, qstr);
Damien's avatar
Damien committed
280
281
}

282
static void emit_cpy_load_build_class(emit_t *emit) {
Damien's avatar
Damien committed
283
284
285
286
287
288
    emit_pre(emit, 1, 1);
    if (emit->pass == PASS_3) {
        printf("LOAD_BUILD_CLASS\n");
    }
}

289
static void emit_cpy_store_fast(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
290
291
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
292
        printf("STORE_FAST %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
293
294
295
    }
}

Damien's avatar
Damien committed
296
static void emit_cpy_store_deref(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
297
298
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
299
        printf("STORE_DEREF %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
300
301
302
    }
}

Damien's avatar
Damien committed
303
static void emit_cpy_store_name(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
304
305
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
306
        printf("STORE_NAME %s\n", qstr_str(qstr));
Damien's avatar
Damien committed
307
308
309
    }
}

Damien's avatar
Damien committed
310
static void emit_cpy_store_global(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
311
312
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
313
        printf("STORE_GLOBAL %s\n", qstr_str(qstr));
Damien's avatar
Damien committed
314
315
316
    }
}

317
static void emit_cpy_store_attr(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
318
319
320
321
322
323
    emit_pre(emit, -2, 3);
    if (emit->pass == PASS_3) {
        printf("STORE_ATTR %s\n", qstr_str(qstr));
    }
}

324
325
static void emit_cpy_store_subscr(emit_t *emit) {
    emit_pre(emit, -3, 1);
Damien's avatar
Damien committed
326
    if (emit->pass == PASS_3) {
327
        printf("STORE_SUBSCR\n");
Damien's avatar
Damien committed
328
329
330
    }
}

331
332
static void emit_cpy_store_locals(emit_t *emit) {
    emit_pre(emit, -1, 1);
Damien's avatar
Damien committed
333
    if (emit->pass == PASS_3) {
334
        printf("STORE_LOCALS\n");
Damien's avatar
Damien committed
335
336
337
    }
}

338
static void emit_cpy_delete_fast(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
339
340
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
341
        printf("DELETE_FAST %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
342
343
344
    }
}

Damien's avatar
Damien committed
345
static void emit_cpy_delete_deref(emit_t *emit, qstr qstr, int local_num) {
Damien's avatar
Damien committed
346
347
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
348
        printf("DELETE_DEREF %d %s\n", local_num, qstr_str(qstr));
Damien's avatar
Damien committed
349
350
351
    }
}

Damien's avatar
Damien committed
352
static void emit_cpy_delete_name(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
353
354
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
355
        printf("DELETE_NAME %s\n", qstr_str(qstr));
Damien's avatar
Damien committed
356
357
358
    }
}

Damien's avatar
Damien committed
359
static void emit_cpy_delete_global(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
360
361
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
Damien's avatar
Damien committed
362
        printf("DELETE_GLOBAL %s\n", qstr_str(qstr));
Damien's avatar
Damien committed
363
364
365
    }
}

366
static void emit_cpy_delete_attr(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
367
368
369
370
371
372
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("DELETE_ATTR %s\n", qstr_str(qstr));
    }
}

373
static void emit_cpy_delete_subscr(emit_t *emit) {
Damien's avatar
Damien committed
374
375
376
377
378
379
    emit_pre(emit, -2, 1);
    if (emit->pass == PASS_3) {
        printf("DELETE_SUBSCR\n");
    }
}

380
static void emit_cpy_dup_top(emit_t *emit) {
Damien's avatar
Damien committed
381
382
383
384
385
386
    emit_pre(emit, 1, 1);
    if (emit->pass == PASS_3) {
        printf("DUP_TOP\n");
    }
}

387
static void emit_cpy_dup_top_two(emit_t *emit) {
Damien's avatar
Damien committed
388
389
390
391
392
393
    emit_pre(emit, 2, 1);
    if (emit->pass == PASS_3) {
        printf("DUP_TOP_TWO\n");
    }
}

394
static void emit_cpy_pop_top(emit_t *emit) {
Damien's avatar
Damien committed
395
396
397
398
399
400
    emit_pre(emit, -1, 1);
    if (emit->pass == PASS_3) {
        printf("POP_TOP\n");
    }
}

401
static void emit_cpy_rot_two(emit_t *emit) {
Damien's avatar
Damien committed
402
403
404
405
406
407
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        printf("ROT_TWO\n");
    }
}

408
static void emit_cpy_rot_three(emit_t *emit) {
Damien's avatar
Damien committed
409
410
411
412
413
414
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        printf("ROT_THREE\n");
    }
}

415
static void emit_cpy_jump(emit_t *emit, int label) {
Damien's avatar
Damien committed
416
417
418
419
420
421
422
423
424
425
426
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
        int dest = emit->label_offsets[label];
        if (dest < emit->byte_code_offset) {
            printf("JUMP_ABSOLUTE %d\n", emit->label_offsets[label]);
        } else {
            printf("JUMP_FORWARD %d\n", emit->label_offsets[label]);
        }
    }
}

427
static void emit_cpy_pop_jump_if_true(emit_t *emit, int label) {
Damien's avatar
Damien committed
428
429
430
431
432
433
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("POP_JUMP_IF_TRUE %d\n", emit->label_offsets[label]);
    }
}

434
static void emit_cpy_pop_jump_if_false(emit_t *emit, int label) {
Damien's avatar
Damien committed
435
436
437
438
439
440
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("POP_JUMP_IF_FALSE %d\n", emit->label_offsets[label]);
    }
}

441
static void emit_cpy_jump_if_true_or_pop(emit_t *emit, int label) {
Damien's avatar
Damien committed
442
443
444
445
446
447
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("JUMP_IF_TRUE_OR_POP %d\n", emit->label_offsets[label]);
    }
}

448
static void emit_cpy_jump_if_false_or_pop(emit_t *emit, int label) {
Damien's avatar
Damien committed
449
450
451
452
453
454
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("JUMP_IF_FALSE_OR_POP %d\n", emit->label_offsets[label]);
    }
}

455
static void emit_cpy_setup_loop(emit_t *emit, int label) {
Damien's avatar
Damien committed
456
457
458
459
460
461
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
        printf("SETUP_LOOP %d\n", emit->label_offsets[label]);
    }
}

462
static void emit_cpy_break_loop(emit_t *emit, int label) {
Damien's avatar
Damien committed
463
464
465
466
467
468
469
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        printf("BREAK_LOOP\n"); // CPython doesn't have label
        //printf("BREAK_LOOP %d\n", emit->label_offsets[label]);
    }
}

470
static void emit_cpy_continue_loop(emit_t *emit, int label) {
Damien's avatar
Damien committed
471
472
473
474
475
476
    emit_pre(emit, 0, 3);
    if (emit->pass == PASS_3) {
        printf("CONTINUE_LOOP %d\n", emit->label_offsets[label]);
    }
}

477
static void emit_cpy_setup_with(emit_t *emit, int label) {
Damien's avatar
Damien committed
478
479
480
481
482
483
    emit_pre(emit, 7, 3);
    if (emit->pass == PASS_3) {
        printf("SETUP_WITH %d\n", emit->label_offsets[label]);
    }
}

484
static void emit_cpy_with_cleanup(emit_t *emit) {
Damien's avatar
Damien committed
485
486
487
488
489
490
    emit_pre(emit, -7, 1);
    if (emit->pass == PASS_3) {
        printf("WITH_CLEANUP\n");
    }
}

491
static void emit_cpy_setup_except(emit_t *emit, int label) {
Damien's avatar
Damien committed
492
493
494
495
496
497
    emit_pre(emit, 6, 3);
    if (emit->pass == PASS_3) {
        printf("SETUP_EXCEPT %d\n", emit->label_offsets[label]);
    }
}

498
static void emit_cpy_setup_finally(emit_t *emit, int label) {
Damien's avatar
Damien committed
499
500
501
502
503
504
    emit_pre(emit, 6, 3);
    if (emit->pass == PASS_3) {
        printf("SETUP_FINALLY %d\n", emit->label_offsets[label]);
    }
}

505
static void emit_cpy_end_finally(emit_t *emit) {
Damien's avatar
Damien committed
506
507
508
509
510
511
    emit_pre(emit, -1, 1);
    if (emit->pass == PASS_3) {
        printf("END_FINALLY\n");
    }
}

512
static void emit_cpy_get_iter(emit_t *emit) {
Damien's avatar
Damien committed
513
514
515
516
517
518
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        printf("GET_ITER\n");
    }
}

519
static void emit_cpy_for_iter(emit_t *emit, int label) {
Damien's avatar
Damien committed
520
521
522
523
524
525
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("FOR_ITER %d\n", emit->label_offsets[label]);
    }
}

526
static void emit_cpy_for_iter_end(emit_t *emit) {
Damien's avatar
Damien committed
527
528
529
    emit_pre(emit, -1, 0);
}

530
static void emit_cpy_pop_block(emit_t *emit) {
Damien's avatar
Damien committed
531
532
533
534
535
536
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        printf("POP_BLOCK\n");
    }
}

537
static void emit_cpy_pop_except(emit_t *emit) {
Damien's avatar
Damien committed
538
539
540
541
542
543
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        printf("POP_EXCEPT\n");
    }
}

544
static void emit_cpy_unary_op(emit_t *emit, rt_unary_op_t op) {
Damien's avatar
Damien committed
545
546
547
548
549
550
551
552
553
554
555
556
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_3) {
        switch (op) {
            case RT_UNARY_OP_NOT: printf("UNARY_NOT\n"); break;
            case RT_UNARY_OP_POSITIVE: printf("UNARY_POSITIVE\n"); break;
            case RT_UNARY_OP_NEGATIVE: printf("UNARY_NEGATIVE\n"); break;
            case RT_UNARY_OP_INVERT: printf("UNARY_INVERT\n"); break;
            default: assert(0);
        }
    }
}

557
static void emit_cpy_binary_op(emit_t *emit, rt_binary_op_t op) {
558
559
560
561
562
563
564
    if (op <= RT_BINARY_OP_INPLACE_POWER) {
        // CPython uses a byte code for each binary op
        emit_pre(emit, -1, 1);
    } else {
        // CPython uses a byte code plus an argument for compare ops
        emit_pre(emit, -1, 3);
    }
Damien's avatar
Damien committed
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
    if (emit->pass == PASS_3) {
        switch (op) {
            case RT_BINARY_OP_SUBSCR: printf("BINARY_SUBSCR\n"); break;
            case RT_BINARY_OP_OR: printf("BINARY_OR\n"); break;
            case RT_BINARY_OP_XOR: printf("BINARY_XOR\n"); break;
            case RT_BINARY_OP_AND: printf("BINARY_AND\n"); break;
            case RT_BINARY_OP_LSHIFT: printf("BINARY_LSHIFT\n"); break;
            case RT_BINARY_OP_RSHIFT: printf("BINARY_RSHIFT\n"); break;
            case RT_BINARY_OP_ADD: printf("BINARY_ADD\n"); break;
            case RT_BINARY_OP_SUBTRACT: printf("BINARY_SUBTRACT\n"); break;
            case RT_BINARY_OP_MULTIPLY: printf("BINARY_MULTIPLY\n"); break;
            case RT_BINARY_OP_FLOOR_DIVIDE: printf("BINARY_FLOOR_DIVIDE\n"); break;
            case RT_BINARY_OP_TRUE_DIVIDE: printf("BINARY_TRUE_DIVIDE\n"); break;
            case RT_BINARY_OP_MODULO: printf("BINARY_MODULO\n"); break;
            case RT_BINARY_OP_POWER: printf("BINARY_POWER\n"); break;
            case RT_BINARY_OP_INPLACE_OR: printf("INPLACE_OR\n"); break;
            case RT_BINARY_OP_INPLACE_XOR: printf("INPLACE_XOR\n"); break;
            case RT_BINARY_OP_INPLACE_AND: printf("INPLACE_AND\n"); break;
            case RT_BINARY_OP_INPLACE_LSHIFT: printf("INPLACE_LSHIFT\n"); break;
            case RT_BINARY_OP_INPLACE_RSHIFT: printf("INPLACE_RSHIFT\n"); break;
            case RT_BINARY_OP_INPLACE_ADD: printf("INPLACE_ADD\n"); break;
            case RT_BINARY_OP_INPLACE_SUBTRACT: printf("INPLACE_SUBTRACT\n"); break;
            case RT_BINARY_OP_INPLACE_MULTIPLY: printf("INPLACE_MULTIPLY\n"); break;
            case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: printf("INPLACE_FLOOR_DIVIDE\n"); break;
            case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: printf("INPLACE_TRUE_DIVIDE\n"); break;
            case RT_BINARY_OP_INPLACE_MODULO: printf("INPLACE_MODULO\n"); break;
            case RT_BINARY_OP_INPLACE_POWER: printf("INPLACE_POWER\n"); break;
            case RT_COMPARE_OP_LESS: printf("COMPARE_OP <\n"); break;
            case RT_COMPARE_OP_MORE: printf("COMPARE_OP >\n"); break;
            case RT_COMPARE_OP_EQUAL: printf("COMPARE_OP ==\n"); break;
            case RT_COMPARE_OP_LESS_EQUAL: printf("COMPARE_OP <=\n"); break;
            case RT_COMPARE_OP_MORE_EQUAL: printf("COMPARE_OP >=\n"); break;
            case RT_COMPARE_OP_NOT_EQUAL: printf("COMPARE_OP !=\n"); break;
            case RT_COMPARE_OP_IN: printf("COMPARE_OP in\n"); break;
            case RT_COMPARE_OP_NOT_IN: printf("COMPARE_OP not in\n"); break;
            case RT_COMPARE_OP_IS: printf("COMPARE_OP is\n"); break;
            case RT_COMPARE_OP_IS_NOT: printf("COMPARE_OP is not\n"); break;
            case RT_COMPARE_OP_EXCEPTION_MATCH: printf("COMPARE_OP exception match\n"); break;
            default: assert(0);
        }
    }
}

608
static void emit_cpy_build_tuple(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
609
610
611
612
613
614
    emit_pre(emit, 1 - n_args, 3);
    if (emit->pass == PASS_3) {
        printf("BUILD_TUPLE %d\n", n_args);
    }
}

615
static void emit_cpy_build_list(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
616
617
618
619
620
621
    emit_pre(emit, 1 - n_args, 3);
    if (emit->pass == PASS_3) {
        printf("BUILD_LIST %d\n", n_args);
    }
}

622
static void emit_cpy_list_append(emit_t *emit, int list_index) {
Damien's avatar
Damien committed
623
624
625
626
627
628
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("LIST_APPEND %d\n", list_index);
    }
}

629
static void emit_cpy_build_map(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
630
631
632
633
634
635
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("BUILD_MAP %d\n", n_args);
    }
}

636
static void emit_cpy_store_map(emit_t *emit) {
Damien's avatar
Damien committed
637
638
639
640
641
642
    emit_pre(emit, -2, 1);
    if (emit->pass == PASS_3) {
        printf("STORE_MAP\n");
    }
}

643
static void emit_cpy_map_add(emit_t *emit, int map_index) {
Damien's avatar
Damien committed
644
645
646
647
648
649
    emit_pre(emit, -2, 3);
    if (emit->pass == PASS_3) {
        printf("MAP_ADD %d\n", map_index);
    }
}

650
static void emit_cpy_build_set(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
651
652
653
654
655
656
    emit_pre(emit, 1 - n_args, 3);
    if (emit->pass == PASS_3) {
        printf("BUILD_SET %d\n", n_args);
    }
}

657
static void emit_cpy_set_add(emit_t *emit, int set_index) {
Damien's avatar
Damien committed
658
659
660
661
662
663
    emit_pre(emit, -1, 3);
    if (emit->pass == PASS_3) {
        printf("SET_ADD %d\n", set_index);
    }
}

664
static void emit_cpy_build_slice(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
665
666
667
668
669
670
    emit_pre(emit, 1 - n_args, 3);
    if (emit->pass == PASS_3) {
        printf("BUILD_SLICE %d\n", n_args);
    }
}

671
static void emit_cpy_unpack_sequence(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
672
673
674
675
676
677
    emit_pre(emit, -1 + n_args, 3);
    if (emit->pass == PASS_3) {
        printf("UNPACK_SEQUENCE %d\n", n_args);
    }
}

678
static void emit_cpy_unpack_ex(emit_t *emit, int n_left, int n_right) {
Damien's avatar
Damien committed
679
680
681
682
683
684
    emit_pre(emit, -1 + n_left + n_right + 1, 3);
    if (emit->pass == PASS_3) {
        printf("UNPACK_EX %d\n", n_left | (n_right << 8));
    }
}

685
static void emit_cpy_call_function(emit_t *emit, int n_positional, int n_keyword, bool have_star_arg, bool have_dbl_star_arg) {
Damien's avatar
Damien committed
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
    int s = 0;
    if (have_star_arg) {
        s += 1;
    }
    if (have_dbl_star_arg) {
        s += 1;
    }
    emit_pre(emit, -n_positional - 2 * n_keyword - s, 3);
    if (emit->pass == PASS_3) {
        if (have_star_arg) {
            if (have_dbl_star_arg) {
                printf("CALL_FUNCTION_VAR_KW");
            } else {
                printf("CALL_FUNCTION_VAR");
            }
        } else {
            if (have_dbl_star_arg) {
                printf("CALL_FUNCTION_KW");
            } else {
                printf("CALL_FUNCTION");
            }
        }
        printf(" %d, %d\n", n_positional, n_keyword);
    }
}

712
713
static void emit_cpy_call_method(emit_t *emit, int n_positional, int n_keyword, bool have_star_arg, bool have_dbl_star_arg) {
    emit_cpy_call_function(emit, n_positional, n_keyword, have_star_arg, have_dbl_star_arg);
Damien's avatar
Damien committed
714
715
}

716
static void emit_cpy_return_value(emit_t *emit) {
Damien's avatar
Damien committed
717
718
719
720
721
722
723
    emit_pre(emit, -1, 1);
    emit->last_emit_was_return_value = true;
    if (emit->pass == PASS_3) {
        printf("RETURN_VALUE\n");
    }
}

724
static void emit_cpy_raise_varargs(emit_t *emit, int n_args) {
Damien's avatar
Damien committed
725
726
727
728
729
730
    emit_pre(emit, -n_args, 3);
    if (emit->pass == PASS_3) {
        printf("RAISE_VARARGS %d\n", n_args);
    }
}

731
static void load_cpy_const_code_and_name(emit_t *emit, qstr qstr) {
Damien's avatar
Damien committed
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST code %s\n", qstr_str(qstr));
    }
    // load qualified name
    emit_pre(emit, 1, 3);
    if (emit->pass == PASS_3) {
        printf("LOAD_CONST '");
        // code just to work out the qualname (or whatever it is)
        {
            int depth = 0;
            for (scope_t *s = emit->scope; s->parent != NULL; s = s->parent) {
                depth += 1;
            }
            for (int wanted_depth = depth; wanted_depth >= 0; wanted_depth--) {
                scope_t *s = emit->scope;
                for (int i = 0; i < wanted_depth; i++) {
                    s = s->parent;
                }
                if (s->kind == SCOPE_FUNCTION) {
                    printf("%s.<locals>.", qstr_str(s->simple_name));
                } else if (s->kind == SCOPE_CLASS) {
                    printf("%s.", qstr_str(s->simple_name));
                }
            }
        }
        printf("%s'\n", qstr_str(qstr));
    }
}

762
763
static void emit_cpy_make_function(emit_t *emit, scope_t *scope, int n_dict_params, int n_default_params) {
    load_cpy_const_code_and_name(emit, scope->simple_name);
Damien's avatar
Damien committed
764
765
766
767
768
769
    emit_pre(emit, -1 - n_default_params - 2 * n_dict_params, 3);
    if (emit->pass == PASS_3) {
        printf("MAKE_FUNCTION %d\n", (n_dict_params << 8) | n_default_params);
    }
}

770
771
static void emit_cpy_make_closure(emit_t *emit, scope_t *scope, int n_dict_params, int n_default_params) {
    load_cpy_const_code_and_name(emit, scope->simple_name);
Damien's avatar
Damien committed
772
773
774
775
776
777
    emit_pre(emit, -2 - n_default_params - 2 * n_dict_params, 3);
    if (emit->pass == PASS_3) {
        printf("MAKE_CLOSURE %d\n", (n_dict_params << 8) | n_default_params);
    }
}

778
static void emit_cpy_yield_value(emit_t *emit) {
Damien's avatar
Damien committed
779
780
781
782
783
784
785
786
787
    emit_pre(emit, 0, 1);
    if (emit->pass == PASS_2) {
        emit->scope->flags |= SCOPE_FLAG_GENERATOR;
    }
    if (emit->pass == PASS_3) {
        printf("YIELD_VALUE\n");
    }
}

788
static void emit_cpy_yield_from(emit_t *emit) {
Damien's avatar
Damien committed
789
790
791
792
793
794
795
796
797
    emit_pre(emit, -1, 1);
    if (emit->pass == PASS_2) {
        emit->scope->flags |= SCOPE_FLAG_GENERATOR;
    }
    if (emit->pass == PASS_3) {
        printf("YIELD_FROM\n");
    }
}

798
const emit_method_table_t emit_cpython_method_table = {
799
800
    NULL,

801
802
803
804
805
806
    emit_cpy_set_native_types,
    emit_cpy_start_pass,
    emit_cpy_end_pass,
    emit_cpy_last_emit_was_return_value,
    emit_cpy_get_stack_size,
    emit_cpy_set_stack_size,
807
    emit_cpy_set_source_line,
808

809
810
811
812
    emit_cpy_load_id,
    emit_cpy_store_id,
    emit_cpy_delete_id,

813
814
815
816
817
818
819
820
821
822
823
824
825
826
    emit_cpy_label_assign,
    emit_cpy_import_name,
    emit_cpy_import_from,
    emit_cpy_import_star,
    emit_cpy_load_const_tok,
    emit_cpy_load_const_small_int,
    emit_cpy_load_const_int,
    emit_cpy_load_const_dec,
    emit_cpy_load_const_id,
    emit_cpy_load_const_str,
    emit_cpy_load_const_verbatim_str,
    emit_cpy_load_fast,
    emit_cpy_load_deref,
    emit_cpy_load_closure,
Damien's avatar
Damien committed
827
828
    emit_cpy_load_name,
    emit_cpy_load_global,
829
830
831
832
    emit_cpy_load_attr,
    emit_cpy_load_method,
    emit_cpy_load_build_class,
    emit_cpy_store_fast,
Damien's avatar
Damien committed
833
    emit_cpy_store_deref,
834
835
836
837
    emit_cpy_store_name,
    emit_cpy_store_global,
    emit_cpy_store_attr,
    emit_cpy_store_subscr,
838
    emit_cpy_store_locals,
839
    emit_cpy_delete_fast,
Damien's avatar
Damien committed
840
    emit_cpy_delete_deref,
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
    emit_cpy_delete_name,
    emit_cpy_delete_global,
    emit_cpy_delete_attr,
    emit_cpy_delete_subscr,
    emit_cpy_dup_top,
    emit_cpy_dup_top_two,
    emit_cpy_pop_top,
    emit_cpy_rot_two,
    emit_cpy_rot_three,
    emit_cpy_jump,
    emit_cpy_pop_jump_if_true,
    emit_cpy_pop_jump_if_false,
    emit_cpy_jump_if_true_or_pop,
    emit_cpy_jump_if_false_or_pop,
    emit_cpy_setup_loop,
    emit_cpy_break_loop,
    emit_cpy_continue_loop,
    emit_cpy_setup_with,
    emit_cpy_with_cleanup,
    emit_cpy_setup_except,
    emit_cpy_setup_finally,
    emit_cpy_end_finally,
    emit_cpy_get_iter,
    emit_cpy_for_iter,
    emit_cpy_for_iter_end,
    emit_cpy_pop_block,
    emit_cpy_pop_except,
    emit_cpy_unary_op,
    emit_cpy_binary_op,
    emit_cpy_build_tuple,
    emit_cpy_build_list,
    emit_cpy_list_append,
    emit_cpy_build_map,
    emit_cpy_store_map,
    emit_cpy_map_add,
    emit_cpy_build_set,
    emit_cpy_set_add,
    emit_cpy_build_slice,
    emit_cpy_unpack_sequence,
    emit_cpy_unpack_ex,
    emit_cpy_make_function,
    emit_cpy_make_closure,
    emit_cpy_call_function,
    emit_cpy_call_method,
    emit_cpy_return_value,
    emit_cpy_raise_varargs,
    emit_cpy_yield_value,
    emit_cpy_yield_from,
};

891
#endif // MICROPY_EMIT_CPYTHON