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nickg / nvc / 17725771321

15 Sep 2025 07:41AM UTC coverage: 92.624% (+0.02%) from 92.607%
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95.07
/src/vlog/vlog-node.c
1
//
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//  Copyright (C) 2022-2025  Nick Gasson
3
//
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//  This program is free software: you can redistribute it and/or modify
5
//  it under the terms of the GNU General Public License as published by
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//  the Free Software Foundation, either version 3 of the License, or
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//  (at your option) any later version.
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//
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//  This program is distributed in the hope that it will be useful,
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//  but WITHOUT ANY WARRANTY; without even the implied warranty of
11
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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//  GNU General Public License for more details.
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//
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//  You should have received a copy of the GNU General Public License
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//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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//
17

18
#include "util.h"
19
#include "vlog/vlog-node.h"
20
#include "vlog/vlog-number.h"
21
#include "object.h"
22

23
#include <string.h>
24
#include <inttypes.h>
25
#include <stdlib.h>
26

27
static const imask_t has_map[V_LAST_NODE_KIND] = {
28
   // V_MODULE
29
   (I_IDENT | I_PORTS | I_STMTS | I_DECLS | I_IDENT2),
30

31
   // V_PORT_DECL
32
   (I_IDENT | I_SUBKIND | I_IDENT2 | I_REF | I_RANGES | I_TYPE | I_VALUE),
33

34
   // V_REF
35
   (I_IDENT | I_REF),
36

37
   // V_ALWAYS
38
   (I_IDENT | I_SUBKIND | I_STMTS),
39

40
   // V_TIMING
41
   (I_VALUE | I_STMTS),
42

43
   // V_NBASSIGN
44
   (I_TARGET | I_VALUE | I_DELAY),
45

46
   // V_EVENT
47
   (I_SUBKIND | I_VALUE),
48

49
   // V_INITIAL
50
   (I_IDENT | I_STMTS),
51

52
   // V_BLOCK
53
   (I_IDENT | I_DECLS | I_STMTS),
54

55
   // V_SYS_TCALL
56
   (I_IDENT | I_PARAMS),
57

58
   // V_STRING
59
   (I_NUMBER),
60

61
   // V_NUMBER
62
   (I_NUMBER),
63

64
   // V_NET_DECL
65
   (I_IDENT | I_SUBKIND | I_TYPE | I_RANGES | I_VALUE),
66

67
   // V_ASSIGN
68
   (I_TARGET | I_VALUE | I_IDENT | I_DELAY),
69

70
   // V_DIMENSION
71
   (I_SUBKIND | I_LEFT | I_RIGHT),
72

73
   // V_IF
74
   (I_CONDS),
75

76
   // V_COND
77
   (I_VALUE | I_STMTS),
78

79
   // V_VAR_DECL
80
   (I_IDENT | I_TYPE | I_RANGES | I_VALUE),
81

82
   // V_DELAY_CONTROL
83
   (I_VALUE),
84

85
   // V_BINARY
86
   (I_LEFT | I_RIGHT | I_SUBKIND),
87

88
   // V_BASSIGN
89
   (I_TARGET | I_VALUE | I_DELAY),
90

91
   // V_UNARY
92
   (I_VALUE | I_SUBKIND),
93

94
   // V_GATE_INST
95
   (I_SUBKIND | I_PARAMS | I_IDENT | I_REF | I_TARGET),
96

97
   // V_STRENGTH
98
   (I_SUBKIND),
99

100
   // V_MOD_INST
101
   (I_IDENT | I_PARAMS),
102

103
   // V_BIT_SELECT
104
   (I_VALUE | I_PARAMS),
105

106
   // V_SYS_FCALL
107
   (I_IDENT | I_PARAMS),
108

109
   // V_FOREVER
110
   (I_STMTS),
111

112
   // V_SPECIFY
113
   (I_DECLS),
114

115
   // V_PRIMITIVE
116
   (I_IDENT | I_IDENT2 | I_PORTS | I_DECLS | I_STMTS),
117

118
   // V_UDP_TABLE
119
   (I_IDENT | I_PARAMS | I_SUBKIND | I_STMTS),
120

121
   // V_UDP_ENTRY
122
   (I_PARAMS),
123

124
   // V_DATA_TYPE
125
   (I_SUBKIND | I_RANGES),
126

127
   // V_TYPE_DECL
128
   (I_IDENT | I_TYPE),
129

130
   // V_ENUM_DECL
131
   (I_IDENT | I_TYPE | I_RANGES | I_DECLS),
132

133
   // V_ENUM_NAME
134
   (I_IDENT | I_TYPE | I_VALUE),
135

136
   // V_UNION_DECL
137
   (I_IDENT | I_DECLS),
138

139
   // V_STRUCT_DECL
140
   (I_IDENT | I_DECLS),
141

142
   // V_EVENT_CONTROL
143
   (I_PARAMS),
144

145
   // V_EMPTY
146
   (0),
147

148
   // V_REPEAT
149
   (I_VALUE | I_STMTS),
150

151
   // V_WHILE
152
   (I_VALUE | I_STMTS),
153

154
   // V_DO_WHILE
155
   (I_VALUE | I_STMTS),
156

157
   // V_TASK_DECL
158
   (I_IDENT | I_IDENT2 | I_STMTS | I_DECLS | I_PORTS),
159

160
   // V_FUNC_DECL
161
   (I_IDENT | I_IDENT2 | I_STMTS | I_DECLS | I_TYPE | I_PORTS),
162

163
   // V_WAIT
164
   (I_VALUE | I_STMTS),
165

166
   // V_PARAM_DECL
167
   (I_IDENT | I_VALUE | I_TYPE),
168

169
   // V_COND_EXPR
170
   (I_VALUE | I_LEFT | I_RIGHT),
171

172
   // V_REAL
173
   (I_DVAL),
174

175
   // V_CONCAT
176
   (I_PARAMS | I_VALUE),
177

178
   // V_FOR_LOOP
179
   (I_LEFT | I_VALUE | I_RIGHT | I_STMTS),
180

181
   // V_FOR_INIT
182
   (I_DECLS | I_STMTS),
183

184
   // V_FOR_STEP
185
   (I_STMTS),
186

187
   // V_PREFIX
188
   (I_TARGET | I_SUBKIND),
189

190
   // V_POSTFIX
191
   (I_TARGET | I_SUBKIND),
192

193
   // V_LOCALPARAM
194
   (I_IDENT | I_VALUE | I_TYPE),
195

196
   // V_CASE
197
   (I_SUBKIND | I_VALUE | I_STMTS),
198

199
   // V_CASE_ITEM
200
   (I_PARAMS | I_STMTS),
201

202
   // V_INST_LIST
203
   (I_PARAMS | I_STMTS | I_IDENT),
204

205
   // V_PARAM_ASSIGN
206
   (I_IDENT | I_VALUE),
207

208
   // V_INST_BODY
209
   (I_IDENT | I_IDENT2 | I_PORTS | I_STMTS | I_DECLS),
210

211
   // V_PORT_CONN
212
   (I_IDENT | I_VALUE),
213

214
   // V_PART_SELECT
215
   (I_SUBKIND | I_VALUE | I_LEFT | I_RIGHT),
216

217
   // V_IF_GENERATE
218
   (I_CONDS),
219

220
   // V_EVENT_TRIGGER
221
   (I_IDENT),
222

223
   // V_USER_FCALL
224
   (I_IDENT | I_REF | I_PARAMS),
225

226
   // V_UDP_LEVEL
227
   (I_SUBKIND | I_IVAL),
228

229
   // V_UDP_EDGE
230
   (I_SUBKIND | I_LEFT | I_RIGHT),
231

232
   // V_SPECPARAM
233
   (I_IDENT | I_VALUE),
234

235
   // V_FORK
236
   (I_IDENT | I_DECLS | I_STMTS),
237

238
   // V_ATTR_INST
239
   (0),
240

241
   // V_USER_TCALL
242
   (I_IDENT | I_REF | I_PARAMS),
243

244
   // V_VOID_CALL
245
   (I_VALUE),
246

247
   // V_GENVAR_DECL
248
   (I_IDENT | I_TYPE),
249

250
   // V_FOR_GENERATE
251
   (I_LEFT | I_VALUE | I_RIGHT | I_STMTS),
252

253
   // V_DEASSIGN
254
   (I_TARGET),
255

256
   // V_FORCE
257
   (I_TARGET | I_VALUE),
258

259
   // V_RELEASE
260
   (I_TARGET | I_VALUE),
261

262
   // V_DISABLE
263
   (I_IDENT),
264

265
   // V_HIER_REF
266
   (I_IDENT | I_IDENT2 | I_REF),
267

268
   // V_TF_PORT_DECL
269
   (I_IDENT | I_SUBKIND | I_RANGES | I_TYPE | I_VALUE),
270

271
   // V_RETURN
272
   (I_REF | I_VALUE),
273

274
   // V_OP_ASSIGN
275
   (I_TARGET | I_SUBKIND | I_VALUE),
276

277
   // V_STRUCT_REF
278
   (I_VALUE | I_IDENT | I_REF),
279
};
280

281
static const char *kind_text_map[V_LAST_NODE_KIND] = {
282
   "V_MODULE",        "V_PORT_DECL",   "V_REF",           "V_ALWAYS",
283
   "V_TIMING",        "V_NBASSIGN",    "V_EVENT",         "V_INITIAL",
284
   "V_BLOCK",         "V_SYS_TCALL",   "V_STRING",        "V_NUMBER",
285
   "V_NET_DECL",      "V_ASSIGN",      "V_DIMENSION",     "V_IF",
286
   "V_COND",          "V_VAR_DECL",    "V_DELAY_CONTROL", "V_BINARY",
287
   "V_BASSIGN",       "V_UNARY",       "V_GATE_INST",     "V_STRENGTH",
288
   "V_MOD_INST",      "V_BIT_SELECT",  "V_SYS_FCALL",     "V_FOREVER",
289
   "V_SPECIFY",       "V_PRIMITIVE",   "V_UDP_TABLE",     "V_UDP_ENTRY",
290
   "V_DATA_TYPE",     "V_TYPE_DECL",   "V_ENUM_DECL",     "V_ENUM_NAME",
291
   "V_UNION_DECL",    "V_STRUCT_DECL", "V_EVENT_CONTROL", "V_EMPTY",
292
   "V_REPEAT",        "V_WHILE",       "V_DO_WHILE",      "V_TASK_DECL",
293
   "V_FUNC_DECL",     "V_WAIT",        "V_PARAM_DECL",    "V_COND_EXPR",
294
   "V_REAL",          "V_CONCAT",      "V_FOR_LOOP",      "V_FOR_INIT",
295
   "V_FOR_STEP",      "V_PREFIX",      "V_POSTFIX",       "V_LOCALPARAM",
296
   "V_CASE",          "V_CASE_ITEM",   "V_INST_LIST",     "V_PARAM_ASSIGN",
297
   "V_INST_BODY",     "V_PORT_CONN",   "V_PART_SELECT",   "V_IF_GENERATE",
298
   "V_EVENT_TRIGGER", "V_USER_FCALL",  "V_UDP_LEVEL",     "V_UDP_EDGE",
299
   "V_SPECPARAM",     "V_FORK",        "V_ATTR_INST",     "V_USER_TCALL",
300
   "V_VOID_CALL",     "V_GENVAR_DECL", "V_FOR_GENERATE",  "V_DEASSIGN",
301
   "V_FORCE",         "V_RELEASE",     "V_DISABLE",       "V_HIER_REF",
302
   "V_TF_PORT_DECL",  "V_RETURN",      "V_OP_ASSIGN",     "V_STRUCT_REF",
303
};
304

305
static const change_allowed_t change_allowed[] = {
306
   { -1, -1 }
307
};
308

309
object_class_t vlog_object = {
310
   .name           = "vlog",
311
   .change_allowed = change_allowed,
312
   .has_map        = has_map,
313
   .kind_text_map  = kind_text_map,
314
   .tag            = OBJECT_TAG_VLOG,
315
   .last_kind      = V_LAST_NODE_KIND,
316
   .has_loc        = true,
317
   .gc_roots       = { V_MODULE, V_PRIMITIVE },
318
   .gc_num_roots   = 2
319
};
320

321
struct _vlog_node {
322
   object_t object;
323
};
324

325
static inline vlog_node_t vlog_array_nth(item_t *item, unsigned n)
33,447✔
326
{
327
   object_t *o = obj_array_nth(item->obj_array, n);
33,447✔
328
   return container_of(o, struct _vlog_node, object);
33,447✔
329
}
330

331
static inline void vlog_array_add(item_t *item, vlog_node_t v)
16,998✔
332
{
333
   obj_array_add(&(item->obj_array), &(v->object));
16,998✔
334
}
16,998✔
335

336
vlog_node_t vlog_new(vlog_kind_t kind)
30,019✔
337
{
338
   object_t *o = object_new(NULL, &vlog_object, kind);
30,019✔
339
   return container_of(o, struct _vlog_node, object);
30,019✔
340
}
341

342
vlog_kind_t vlog_kind(vlog_node_t v)
234,850✔
343
{
344
   return v->object.kind;
234,850✔
345
}
346

347
const char *vlog_kind_str(vlog_kind_t kind)
×
348
{
349
   return kind_text_map[kind];
×
350
}
351

352
ident_t vlog_ident(vlog_node_t v)
22,686✔
353
{
354
   item_t *item = lookup_item(&vlog_object, v, I_IDENT);
22,686✔
355
   assert(item->ident != NULL);
22,686✔
356
   return item->ident;
22,686✔
357
}
358

359
void vlog_set_ident(vlog_node_t v, ident_t i)
13,079✔
360
{
361
   lookup_item(&vlog_object, v, I_IDENT)->ident = i;
13,079✔
362
}
13,079✔
363

364
bool vlog_has_ident(vlog_node_t v)
607✔
365
{
366
   return lookup_item(&vlog_object, v, I_IDENT)->ident != NULL;
607✔
367
}
368

369
ident_t vlog_ident2(vlog_node_t v)
1,666✔
370
{
371
   item_t *item = lookup_item(&vlog_object, v, I_IDENT2);
1,666✔
372
   assert(item->ident != NULL);
1,666✔
373
   return item->ident;
1,666✔
374
}
375

376
bool vlog_has_ident2(vlog_node_t v)
37✔
377
{
378
   return lookup_item(&vlog_object, v, I_IDENT2)->ident != NULL;
37✔
379
}
380

381
void vlog_set_ident2(vlog_node_t v, ident_t i)
1,361✔
382
{
383
   lookup_item(&vlog_object, v, I_IDENT2)->ident = i;
1,361✔
384
}
1,361✔
385

386
const loc_t *vlog_loc(vlog_node_t v)
30,789✔
387
{
388
   assert(v != NULL);
30,789✔
389
   return &(v->object.loc);
30,789✔
390
}
391

392
void vlog_set_loc(vlog_node_t v, const loc_t *loc)
31,741✔
393
{
394
   assert(v != NULL);
31,741✔
395
   assert(loc != NULL);
31,741✔
396
   v->object.loc = *loc;
31,741✔
397
}
31,741✔
398

399
vlog_node_t vlog_ref(vlog_node_t v)
26,771✔
400
{
401
   item_t *item = lookup_item(&vlog_object, v, I_REF);
26,771✔
402
   assert(item->object != NULL);
26,771✔
403
   return container_of(item->object, struct _vlog_node, object);
26,771✔
404
}
405

406
bool vlog_has_ref(vlog_node_t v)
14,281✔
407
{
408
   return lookup_item(&vlog_object, v, I_REF)->object != NULL;
14,281✔
409
}
410

411
void vlog_set_ref(vlog_node_t v, vlog_node_t d)
6,451✔
412
{
413
   lookup_item(&vlog_object, v, I_REF)->object = &(d->object);
6,451✔
414
   object_write_barrier(&(v->object), &(d->object));
6,451✔
415
}
6,451✔
416

417
unsigned vlog_stmts(vlog_node_t v)
4,260✔
418
{
419
   item_t *item = lookup_item(&vlog_object, v, I_STMTS);
4,260✔
420
   return obj_array_count(item->obj_array);
4,260✔
421
}
422

423
vlog_node_t vlog_stmt(vlog_node_t v, unsigned n)
8,117✔
424
{
425
   item_t *item = lookup_item(&vlog_object, v, I_STMTS);
8,117✔
426
   return vlog_array_nth(item, n);
8,117✔
427
}
428

429
void vlog_add_stmt(vlog_node_t v, vlog_node_t s)
7,862✔
430
{
431
   assert(s != NULL);
7,862✔
432
   vlog_array_add(lookup_item(&vlog_object, v, I_STMTS), s);
7,862✔
433
   object_write_barrier(&(v->object), &(s->object));
7,862✔
434
}
7,862✔
435

436
unsigned vlog_ports(vlog_node_t v)
2,113✔
437
{
438
   item_t *item = lookup_item(&vlog_object, v, I_PORTS);
2,113✔
439
   return obj_array_count(item->obj_array);
2,113✔
440
}
441

442
vlog_node_t vlog_port(vlog_node_t v, unsigned n)
2,925✔
443
{
444
   item_t *item = lookup_item(&vlog_object, v, I_PORTS);
2,925✔
445
   return vlog_array_nth(item, n);
2,925✔
446
}
447

448
void vlog_add_port(vlog_node_t v, vlog_node_t p)
632✔
449
{
450
   assert(p != NULL);
632✔
451
   assert(p->object.kind == V_REF || p->object.kind == V_PORT_DECL
632✔
452
          || p->object.kind == V_TF_PORT_DECL);
453
   vlog_array_add(lookup_item(&vlog_object, v, I_PORTS), p);
632✔
454
   object_write_barrier(&(v->object), &(p->object));
632✔
455
}
632✔
456

457
unsigned vlog_params(vlog_node_t v)
5,571✔
458
{
459
   item_t *item = lookup_item(&vlog_object, v, I_PARAMS);
5,571✔
460
   return obj_array_count(item->obj_array);
5,571✔
461
}
462

463
vlog_node_t vlog_param(vlog_node_t v, unsigned n)
6,220✔
464
{
465
   item_t *item = lookup_item(&vlog_object, v, I_PARAMS);
6,220✔
466
   return vlog_array_nth(item, n);
6,220✔
467
}
468

469
void vlog_add_param(vlog_node_t v, vlog_node_t p)
3,810✔
470
{
471
   assert(p != NULL);
3,810✔
472
   vlog_array_add(lookup_item(&vlog_object, v, I_PARAMS), p);
3,810✔
473
   object_write_barrier(&(v->object), &(p->object));
3,810✔
474
}
3,810✔
475

476
unsigned vlog_ranges(vlog_node_t v)
11,077✔
477
{
478
   item_t *item = lookup_item(&vlog_object, v, I_RANGES);
11,077✔
479
   return obj_array_count(item->obj_array);
11,077✔
480
}
481

482
vlog_node_t vlog_range(vlog_node_t v, unsigned n)
4,785✔
483
{
484
   item_t *item = lookup_item(&vlog_object, v, I_RANGES);
4,785✔
485
   return vlog_array_nth(item, n);
4,785✔
486
}
487

488
void vlog_add_range(vlog_node_t v, vlog_node_t r)
492✔
489
{
490
   assert(r != NULL);
492✔
491
   assert(r->object.kind == V_DIMENSION);
492✔
492
   vlog_array_add(lookup_item(&vlog_object, v, I_RANGES), r);
492✔
493
   object_write_barrier(&(v->object), &(r->object));
492✔
494
}
492✔
495

496
unsigned vlog_decls(vlog_node_t v)
2,232✔
497
{
498
   item_t *item = lookup_item(&vlog_object, v, I_DECLS);
2,232✔
499
   return obj_array_count(item->obj_array);
2,232✔
500
}
501

502
vlog_node_t vlog_decl(vlog_node_t v, unsigned n)
10,486✔
503
{
504
   item_t *item = lookup_item(&vlog_object, v, I_DECLS);
10,486✔
505
   return vlog_array_nth(item, n);
10,486✔
506
}
507

508
void vlog_add_decl(vlog_node_t v, vlog_node_t d)
3,383✔
509
{
510
   assert(d != NULL);
3,383✔
511
   vlog_array_add(lookup_item(&vlog_object, v, I_DECLS), d);
3,383✔
512
   object_write_barrier(&(v->object), &(d->object));
3,383✔
513
}
3,383✔
514

515
unsigned vlog_conds(vlog_node_t v)
744✔
516
{
517
   item_t *item = lookup_item(&vlog_object, v, I_CONDS);
744✔
518
   return obj_array_count(item->obj_array);
744✔
519
}
520

521
vlog_node_t vlog_cond(vlog_node_t v, unsigned n)
914✔
522
{
523
   item_t *item = lookup_item(&vlog_object, v, I_CONDS);
914✔
524
   return vlog_array_nth(item, n);
914✔
525
}
526

527
void vlog_add_cond(vlog_node_t v, vlog_node_t c)
819✔
528
{
529
   assert(c != NULL && c->object.kind == V_COND);
819✔
530
   vlog_array_add(lookup_item(&vlog_object, v, I_CONDS), c);
819✔
531
   object_write_barrier(&(v->object), &(c->object));
819✔
532
}
819✔
533

534
unsigned vlog_subkind(vlog_node_t v)
12,431✔
535
{
536
   return lookup_item(&vlog_object, v, I_SUBKIND)->ival;
12,431✔
537
}
538

539
void vlog_set_subkind(vlog_node_t v, unsigned sub)
5,767✔
540
{
541
   lookup_item(&vlog_object, v, I_SUBKIND)->ival = sub;
5,767✔
542
}
5,767✔
543

544
vlog_node_t vlog_value(vlog_node_t v)
9,181✔
545
{
546
   item_t *item = lookup_item(&vlog_object, v, I_VALUE);
9,181✔
547
   assert(item->object != NULL);
9,181✔
548
   return container_of(item->object, struct _vlog_node, object);
9,181✔
549
}
550

551
bool vlog_has_value(vlog_node_t v)
3,177✔
552
{
553
   return lookup_item(&vlog_object, v, I_VALUE)->object != NULL;
3,177✔
554
}
555

556
void vlog_set_value(vlog_node_t v, vlog_node_t e)
5,917✔
557
{
558
   lookup_item(&vlog_object, v, I_VALUE)->object = &(e->object);
5,917✔
559
   object_write_barrier(&(v->object), &(e->object));
5,917✔
560
}
5,917✔
561

562
vlog_node_t vlog_target(vlog_node_t v)
4,504✔
563
{
564
   item_t *item = lookup_item(&vlog_object, v, I_TARGET);
4,504✔
565
   assert(item->object != NULL);
4,504✔
566
   return container_of(item->object, struct _vlog_node, object);
4,504✔
567
}
568

569
void vlog_set_target(vlog_node_t v, vlog_node_t e)
2,218✔
570
{
571
   lookup_item(&vlog_object, v, I_TARGET)->object = &(e->object);
2,218✔
572
   object_write_barrier(&(v->object), &(e->object));
2,218✔
573
}
2,218✔
574

575
vlog_node_t vlog_delay(vlog_node_t v)
50✔
576
{
577
   item_t *item = lookup_item(&vlog_object, v, I_DELAY);
50✔
578
   assert(item->object != NULL);
50✔
579
   return container_of(item->object, struct _vlog_node, object);
50✔
580
}
581

582
bool vlog_has_delay(vlog_node_t v)
1,960✔
583
{
584
   return lookup_item(&vlog_object, v, I_DELAY)->object != NULL;
1,960✔
585
}
586

587
void vlog_set_delay(vlog_node_t v, vlog_node_t d)
50✔
588
{
589
   lookup_item(&vlog_object, v, I_DELAY)->object = &(d->object);
50✔
590
   object_write_barrier(&(v->object), &(d->object));
50✔
591
}
50✔
592

593
vlog_node_t vlog_type(vlog_node_t v)
9,573✔
594
{
595
   item_t *item = lookup_item(&vlog_object, v, I_TYPE);
9,573✔
596
   assert(item->object != NULL);
9,573✔
597
   return container_of(item->object, struct _vlog_node, object);
9,573✔
598
}
599

600
bool vlog_has_type(vlog_node_t v)
13✔
601
{
602
   return lookup_item(&vlog_object, v, I_TYPE)->object != NULL;
13✔
603
}
604

605
void vlog_set_type(vlog_node_t v, vlog_node_t t)
2,016✔
606
{
607
   lookup_item(&vlog_object, v, I_TYPE)->object = &(t->object);
2,016✔
608
   object_write_barrier(&(v->object), &(t->object));
2,016✔
609
}
2,016✔
610

611
number_t vlog_number(vlog_node_t v)
17,365✔
612
{
613
   return lookup_item(&vlog_object, v, I_NUMBER)->number;
17,365✔
614
}
615

616
void vlog_set_number(vlog_node_t v, number_t n)
6,432✔
617
{
618
   lookup_item(&vlog_object, v, I_NUMBER)->number = n;
6,432✔
619
}
6,432✔
620

621
vlog_node_t vlog_left(vlog_node_t v)
9,685✔
622
{
623
   item_t *item = lookup_item(&vlog_object, v, I_LEFT);
9,685✔
624
   assert(item->object != NULL);
9,685✔
625
   return container_of(item->object, struct _vlog_node, object);
9,685✔
626
}
627

628
void vlog_set_left(vlog_node_t v, vlog_node_t e)
2,228✔
629
{
630
   lookup_item(&vlog_object, v, I_LEFT)->object = &(e->object);
2,228✔
631
   object_write_barrier(&(v->object), &(e->object));
2,228✔
632
}
2,228✔
633

634
vlog_node_t vlog_right(vlog_node_t v)
9,529✔
635
{
636
   item_t *item = lookup_item(&vlog_object, v, I_RIGHT);
9,529✔
637
   assert(item->object != NULL);
9,529✔
638
   return container_of(item->object, struct _vlog_node, object);
9,529✔
639
}
640

641
void vlog_set_right(vlog_node_t v, vlog_node_t e)
2,228✔
642
{
643
   lookup_item(&vlog_object, v, I_RIGHT)->object = &(e->object);
2,228✔
644
   object_write_barrier(&(v->object), &(e->object));
2,228✔
645
}
2,228✔
646

647
double vlog_dval(vlog_node_t v)
5✔
648
{
649
   return lookup_item(&vlog_object, v, I_DVAL)->dval;
5✔
650
}
651

652
void vlog_set_dval(vlog_node_t v, double d)
28✔
653
{
654
   lookup_item(&vlog_object, v, I_DVAL)->dval = d;
28✔
655
}
28✔
656

657
int64_t vlog_ival(vlog_node_t v)
712✔
658
{
659
   return lookup_item(&vlog_object, v, I_IVAL)->ival;
712✔
660
}
661

662
void vlog_set_ival(vlog_node_t v, int64_t i)
609✔
663
{
664
   lookup_item(&vlog_object, v, I_IVAL)->ival = i;
609✔
665
}
609✔
666

UNCOV
667
void vlog_visit(vlog_node_t v, vlog_visit_fn_t fn, void *context)
×
668
{
UNCOV
669
   vlog_visit_only(v, fn, context, V_LAST_NODE_KIND);
×
UNCOV
670
}
×
671

UNCOV
672
void vlog_visit_only(vlog_node_t v, vlog_visit_fn_t fn, void *context,
×
673
                     vlog_kind_t kind)
674
{
UNCOV
675
   assert(v != NULL);
×
676

UNCOV
677
   object_visit_ctx_t ctx = {
×
678
      .count      = 0,
679
      .postorder  = (object_visit_fn_t)fn,
680
      .preorder   = NULL,
681
      .context    = context,
682
      .kind       = kind,
683
      .tag        = OBJECT_TAG_VLOG,
UNCOV
684
      .generation = object_next_generation(),
×
685
      .deep       = false
686
   };
687

UNCOV
688
   object_visit(&(v->object), &ctx);
×
UNCOV
689
}
×
690

691
vlog_node_t vlog_rewrite(vlog_node_t v, vlog_rewrite_fn_t fn, void *context)
1,680✔
692
{
693
   object_arena_t *arena = object_arena(&(v->object));
1,680✔
694
   if (arena_frozen(arena))
1,680✔
695
      return v;
696

697
   object_rewrite_ctx_t ctx = {
1,680✔
698
      .generation = object_next_generation(),
1,680✔
699
      .context    = context,
700
      .arena      = arena,
701
   };
702

703
   ctx.post_fn[OBJECT_TAG_VLOG] = (object_rewrite_post_fn_t)fn;
1,680✔
704

705
   object_t *result = object_rewrite(&(v->object), &ctx);
1,680✔
706
   free(ctx.cache);
1,680✔
707
   return container_of(result, struct _vlog_node, object);
1,680✔
708
}
709

710
vlog_node_t vlog_copy(vlog_node_t v, vlog_copy_pred_t pred, void *ctx)
453✔
711
{
712
   object_copy_ctx_t *copy LOCAL = xcalloc_flex(sizeof(object_copy_ctx_t),
453✔
713
                                                1, sizeof(object_t *));
714
   copy->generation   = object_next_generation();
453✔
715
   copy->pred_context = ctx;
453✔
716
   copy->nroots       = 1;
453✔
717
   copy->roots[0]     = &(v->object);
453✔
718

719
   copy->should_copy[OBJECT_TAG_VLOG] = (object_copy_pred_t)pred;
453✔
720

721
   object_copy(copy);
453✔
722

723
   return container_of(copy->roots[0], struct _vlog_node, object);
453✔
724
}
725

726
object_t *vlog_to_object(vlog_node_t v)
2,942✔
727
{
728
   return &(v->object);
2,942✔
729
}
730

731
vlog_node_t vlog_from_object(object_t *obj)
18,062✔
732
{
733
   if (obj != NULL && obj->tag == OBJECT_TAG_VLOG)
18,062✔
734
      return container_of(obj, struct _vlog_node, object);
735
   else
736
      return NULL;
15,768✔
737
}
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