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move clock id test TSDL to development subdir
[babeltrace.git] / formats / ctf / metadata / ctf-parser.y
CommitLineData
8b9d5b5e
MD		 1%{
2/*
c59a87f5 3 * ctf-parser.y
8b9d5b5e
MD		 4 *
5 * Common Trace Format Metadata Grammar.
c59a87f5
MD		 6 *
7 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
8b9d5b5e
MD		 18 */
19
20#include <stdio.h>
21#include <unistd.h>
22#include <string.h>
23#include <stdlib.h>
24#include <assert.h>
8b9d5b5e 25#include <glib.h>
02b234c4 26#include <errno.h>
380d60b1 27#include <inttypes.h>
fe41395a 28#include <babeltrace/list.h>
a3983482 29#include <babeltrace/babeltrace.h>
34d3acc4 30#include "ctf-scanner.h"
8b9d5b5e
MD		 31#include "ctf-parser.h"
32#include "ctf-ast.h"
33
a3983482
MD		 34int yydebug;
35
05628561
MD		 36/*
37 * TODO: support enum, variant and struct declarations in scopes.
38 */
39
48a01768
MD		 40/* Join two lists, put "add" at the end of "head". */
41static inline void
42_cds_list_splice_tail (struct cds_list_head *add, struct cds_list_head *head)
43{
44 /* Do nothing if the list which gets added is empty. */
45 if (add != add->next) {
46 add->next->prev = head->prev;
47 add->prev->next = head;
48 head->prev->next = add->next;
49 head->prev = add->prev;
50 }
51}
52
34d3acc4
MD		 53int yyparse(struct ctf_scanner *scanner);
54int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
55int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
61e9d0ce 56int yylex_destroy(yyscan_t yyscanner);
65102a8c 57void yyrestart(FILE * in_str, yyscan_t scanner);
8b9d5b5e 58
8b9d5b5e
MD		 59int yydebug;
60
8b9d5b5e
MD		 61struct gc_string {
62 struct cds_list_head gc;
6dc474b8 63 size_t alloclen;
8b9d5b5e
MD		 64 char s[];
65};
66
34f7b02c
MD		 67static const char *node_type_to_str[] = {
68 [ NODE_UNKNOWN ] = "NODE_UNKNOWN",
69 [ NODE_ROOT ] = "NODE_ROOT",
70 [ NODE_EVENT ] = "NODE_EVENT",
71 [ NODE_STREAM ] = "NODE_STREAM",
72 [ NODE_TRACE ] = "NODE_TRACE",
73 [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
74 [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
75 [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
76 [ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
77 [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
78 [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
79 [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
3e11b713 80 [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
34f7b02c
MD		 81 [ NODE_POINTER ] = "NODE_POINTER",
82 [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
83 [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
84 [ NODE_INTEGER ] = "NODE_INTEGER",
85 [ NODE_STRING ] = "NODE_STRING",
86 [ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
87 [ NODE_ENUM ] = "NODE_ENUM",
88 [ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
89 [ NODE_VARIANT ] = "NODE_VARIANT",
90 [ NODE_STRUCT ] = "NODE_STRUCT",
91};
92
93const char *node_type(struct ctf_node *node)
94{
95 if (node->type < NR_NODE_TYPES)
96 return node_type_to_str[node->type];
97 else
98 return NULL;
99}
100
6dc474b8
MD		 101static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
102 size_t len)
8b9d5b5e 103{
6dc474b8
MD		 104 struct gc_string *gstr;
105 size_t alloclen;
8b9d5b5e 106
6dc474b8
MD		 107 /* TODO: could be faster with find first bit or glib Gstring */
108 /* sizeof long to account for malloc header (int or long ?) */
109 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
110 alloclen *= 2);
111
112 gstr = malloc(alloclen);
113 cds_list_add(&gstr->gc, &scanner->allocated_strings);
114 gstr->alloclen = alloclen;
115 return gstr;
8b9d5b5e
MD		 116}
117
6dc474b8
MD		 118/*
119 * note: never use gc_string_append on a string that has external references.
120 * gsrc will be garbage collected immediately, and gstr might be.
121 * Should only be used to append characters to a string literal or constant.
122 */
123struct gc_string *gc_string_append(struct ctf_scanner *scanner,
124 struct gc_string *gstr,
125 struct gc_string *gsrc)
8b9d5b5e 126{
6dc474b8
MD		 127 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
128 size_t alloclen;
8b9d5b5e 129
6dc474b8
MD		 130 /* TODO: could be faster with find first bit or glib Gstring */
131 /* sizeof long to account for malloc header (int or long ?) */
132 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
133 alloclen *= 2);
134
135 if (alloclen > gstr->alloclen) {
136 struct gc_string *newgstr;
137
138 newgstr = gc_string_alloc(scanner, newlen);
139 strcpy(newgstr->s, gstr->s);
140 strcat(newgstr->s, gsrc->s);
141 cds_list_del(&gstr->gc);
142 free(gstr);
143 gstr = newgstr;
144 } else {
145 strcat(gstr->s, gsrc->s);
146 }
147 cds_list_del(&gsrc->gc);
148 free(gsrc);
8b9d5b5e
MD		 149 return gstr;
150}
151
34d3acc4 152void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
8b9d5b5e 153{
34d3acc4
MD		 154 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
155 strcpy(lvalp->gs->s, src);
8b9d5b5e
MD		 156}
157
609bd1bf
MD		 158static void init_scope(struct ctf_scanner_scope *scope,
159 struct ctf_scanner_scope *parent)
8b9d5b5e
MD		 160{
161 scope->parent = parent;
162 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
6dc474b8 163 NULL, NULL);
8b9d5b5e
MD		 164}
165
609bd1bf 166static void finalize_scope(struct ctf_scanner_scope *scope)
8b9d5b5e
MD		 167{
168 g_hash_table_destroy(scope->types);
169}
170
34d3acc4 171static void push_scope(struct ctf_scanner *scanner)
8b9d5b5e 172{
609bd1bf 173 struct ctf_scanner_scope *ns;
8b9d5b5e 174
a3983482 175 printf_debug("push scope\n");
609bd1bf 176 ns = malloc(sizeof(struct ctf_scanner_scope));
34d3acc4
MD		 177 init_scope(ns, scanner->cs);
178 scanner->cs = ns;
8b9d5b5e
MD		 179}
180
34d3acc4 181static void pop_scope(struct ctf_scanner *scanner)
8b9d5b5e 182{
609bd1bf 183 struct ctf_scanner_scope *os;
8b9d5b5e 184
a3983482 185 printf_debug("pop scope\n");
34d3acc4
MD		 186 os = scanner->cs;
187 scanner->cs = os->parent;
8b9d5b5e
MD		 188 finalize_scope(os);
189 free(os);
190}
191
609bd1bf 192static int lookup_type(struct ctf_scanner_scope *s, const char *id)
8b9d5b5e
MD		 193{
194 int ret;
195
380d60b1 196 ret = (int) (long) g_hash_table_lookup(s->types, id);
a3983482 197 printf_debug("lookup %p %s %d\n", s, id, ret);
8b9d5b5e
MD		 198 return ret;
199}
200
34d3acc4 201int is_type(struct ctf_scanner *scanner, const char *id)
8b9d5b5e 202{
609bd1bf 203 struct ctf_scanner_scope *it;
8b9d5b5e
MD		 204 int ret = 0;
205
34d3acc4 206 for (it = scanner->cs; it != NULL; it = it->parent) {
8b9d5b5e
MD		 207 if (lookup_type(it, id)) {
208 ret = 1;
209 break;
210 }
211 }
a3983482 212 printf_debug("is type %s %d\n", id, ret);
8b9d5b5e
MD		 213 return ret;
214}
215
6dc474b8 216static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
8b9d5b5e 217{
a3983482 218 printf_debug("add type %s\n", id->s);
6dc474b8 219 if (lookup_type(scanner->cs, id->s))
8b9d5b5e 220 return;
6dc474b8 221 g_hash_table_insert(scanner->cs->types, id->s, id->s);
8b9d5b5e
MD		 222}
223
02b234c4
MD		 224static struct ctf_node *make_node(struct ctf_scanner *scanner,
225 enum node_type type)
226{
227 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
228 struct ctf_node *node;
229
230 node = malloc(sizeof(*node));
231 if (!node)
232 return NULL;
233 memset(node, 0, sizeof(*node));
234 node->type = type;
48a01768 235 CDS_INIT_LIST_HEAD(&node->tmp_head);
02b234c4 236 cds_list_add(&node->gc, &ast->allocated_nodes);
0009a725 237 cds_list_add(&node->siblings, &node->tmp_head);
02b234c4
MD		 238
239 switch (type) {
240 case NODE_ROOT:
241 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
242 break;
243
244 case NODE_EVENT:
6dc474b8 245 CDS_INIT_LIST_HEAD(&node->u.event.declaration_list);
02b234c4
MD		 246 break;
247 case NODE_STREAM:
6dc474b8 248 CDS_INIT_LIST_HEAD(&node->u.stream.declaration_list);
02b234c4
MD		 249 break;
250 case NODE_TRACE:
6dc474b8 251 CDS_INIT_LIST_HEAD(&node->u.trace.declaration_list);
02b234c4
MD		 252 break;
253
254 case NODE_CTF_EXPRESSION:
48a01768
MD		 255 CDS_INIT_LIST_HEAD(&node->u.ctf_expression.left);
256 CDS_INIT_LIST_HEAD(&node->u.ctf_expression.right);
02b234c4 257 break;
6dc474b8
MD		 258 case NODE_UNARY_EXPRESSION:
259 break;
02b234c4
MD		 260
261 case NODE_TYPEDEF:
262 CDS_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
263 break;
264 case NODE_TYPEALIAS_TARGET:
265 CDS_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
266 break;
267 case NODE_TYPEALIAS_ALIAS:
268 CDS_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
269 break;
270 case NODE_TYPEALIAS:
271 break;
272
273 case NODE_TYPE_SPECIFIER:
274 break;
3e11b713
MD		 275 case NODE_TYPE_SPECIFIER_LIST:
276 CDS_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
277 break;
02b234c4
MD		 278 case NODE_POINTER:
279 break;
280 case NODE_TYPE_DECLARATOR:
281 CDS_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
282 break;
283
284 case NODE_FLOATING_POINT:
285 CDS_INIT_LIST_HEAD(&node->u.floating_point.expressions);
286 break;
287 case NODE_INTEGER:
288 CDS_INIT_LIST_HEAD(&node->u.integer.expressions);
289 break;
290 case NODE_STRING:
291 CDS_INIT_LIST_HEAD(&node->u.string.expressions);
292 break;
293 case NODE_ENUMERATOR:
48a01768 294 CDS_INIT_LIST_HEAD(&node->u.enumerator.values);
02b234c4
MD		 295 break;
296 case NODE_ENUM:
297 CDS_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
298 break;
299 case NODE_STRUCT_OR_VARIANT_DECLARATION:
300 CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
301 break;
302 case NODE_VARIANT:
02b234c4
MD		 303 CDS_INIT_LIST_HEAD(&node->u.variant.declaration_list);
304 break;
305 case NODE_STRUCT:
02b234c4
MD		 306 CDS_INIT_LIST_HEAD(&node->u._struct.declaration_list);
307 break;
308
309 case NODE_UNKNOWN:
310 default:
311 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
312 (int) type);
313 break;
314 }
315
316 return node;
317}
318
319static int reparent_ctf_expression(struct ctf_node *node,
320 struct ctf_node *parent)
321{
322 switch (parent->type) {
323 case NODE_EVENT:
48a01768 324 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
02b234c4
MD		 325 break;
326 case NODE_STREAM:
48a01768 327 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
02b234c4
MD		 328 break;
329 case NODE_TRACE:
48a01768 330 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
02b234c4
MD		 331 break;
332 case NODE_FLOATING_POINT:
48a01768 333 _cds_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
02b234c4
MD		 334 break;
335 case NODE_INTEGER:
48a01768 336 _cds_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
02b234c4
MD		 337 break;
338 case NODE_STRING:
48a01768 339 _cds_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
02b234c4
MD		 340 break;
341
342 case NODE_ROOT:
343 case NODE_CTF_EXPRESSION:
344 case NODE_TYPEDEF:
345 case NODE_TYPEALIAS_TARGET:
346 case NODE_TYPEALIAS_ALIAS:
347 case NODE_TYPEALIAS:
348 case NODE_TYPE_SPECIFIER:
3e11b713 349 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 350 case NODE_POINTER:
351 case NODE_TYPE_DECLARATOR:
352 case NODE_ENUMERATOR:
353 case NODE_ENUM:
354 case NODE_STRUCT_OR_VARIANT_DECLARATION:
355 case NODE_VARIANT:
356 case NODE_STRUCT:
6dc474b8 357 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 358 return -EPERM;
359
360 case NODE_UNKNOWN:
361 default:
362 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
363 (int) parent->type);
364 return -EINVAL;
365 }
366 return 0;
367}
368
369static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
370{
371 switch (parent->type) {
372 case NODE_ROOT:
3e11b713 373 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
02b234c4
MD		 374 break;
375 case NODE_EVENT:
48a01768 376 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
02b234c4
MD		 377 break;
378 case NODE_STREAM:
48a01768 379 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
02b234c4
MD		 380 break;
381 case NODE_TRACE:
48a01768 382 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
02b234c4
MD		 383 break;
384 case NODE_VARIANT:
48a01768 385 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
02b234c4
MD		 386 break;
387 case NODE_STRUCT:
48a01768 388 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
02b234c4
MD		 389 break;
390
391 case NODE_FLOATING_POINT:
392 case NODE_INTEGER:
393 case NODE_STRING:
394 case NODE_CTF_EXPRESSION:
395 case NODE_TYPEDEF:
396 case NODE_TYPEALIAS_TARGET:
397 case NODE_TYPEALIAS_ALIAS:
398 case NODE_TYPEALIAS:
399 case NODE_TYPE_SPECIFIER:
3e11b713 400 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 401 case NODE_POINTER:
402 case NODE_TYPE_DECLARATOR:
403 case NODE_ENUMERATOR:
404 case NODE_ENUM:
405 case NODE_STRUCT_OR_VARIANT_DECLARATION:
6dc474b8 406 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 407 return -EPERM;
408
409 case NODE_UNKNOWN:
410 default:
411 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
412 (int) parent->type);
413 return -EINVAL;
414 }
415 return 0;
416}
417
418static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
419{
420 switch (parent->type) {
421 case NODE_ROOT:
3e11b713 422 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
02b234c4
MD		 423 break;
424 case NODE_EVENT:
48a01768 425 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
02b234c4
MD		 426 break;
427 case NODE_STREAM:
48a01768 428 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
02b234c4
MD		 429 break;
430 case NODE_TRACE:
48a01768 431 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
02b234c4
MD		 432 break;
433 case NODE_VARIANT:
48a01768 434 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
02b234c4
MD		 435 break;
436 case NODE_STRUCT:
48a01768 437 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
02b234c4
MD		 438 break;
439
440 case NODE_FLOATING_POINT:
441 case NODE_INTEGER:
442 case NODE_STRING:
443 case NODE_CTF_EXPRESSION:
444 case NODE_TYPEDEF:
445 case NODE_TYPEALIAS_TARGET:
446 case NODE_TYPEALIAS_ALIAS:
447 case NODE_TYPEALIAS:
448 case NODE_TYPE_SPECIFIER:
3e11b713 449 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 450 case NODE_POINTER:
451 case NODE_TYPE_DECLARATOR:
452 case NODE_ENUMERATOR:
453 case NODE_ENUM:
454 case NODE_STRUCT_OR_VARIANT_DECLARATION:
6dc474b8 455 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 456 return -EPERM;
457
458 case NODE_UNKNOWN:
459 default:
460 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
461 (int) parent->type);
462 return -EINVAL;
463 }
464 return 0;
465}
466
6dc474b8
MD		 467static int reparent_type_specifier(struct ctf_node *node,
468 struct ctf_node *parent)
3e11b713
MD		 469{
470 switch (parent->type) {
471 case NODE_TYPE_SPECIFIER_LIST:
472 _cds_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
473 break;
474
475 case NODE_TYPE_SPECIFIER:
476 case NODE_EVENT:
477 case NODE_STREAM:
478 case NODE_TRACE:
479 case NODE_VARIANT:
480 case NODE_STRUCT:
481 case NODE_TYPEDEF:
482 case NODE_TYPEALIAS_TARGET:
483 case NODE_TYPEALIAS_ALIAS:
484 case NODE_TYPE_DECLARATOR:
485 case NODE_ENUM:
486 case NODE_STRUCT_OR_VARIANT_DECLARATION:
487 case NODE_TYPEALIAS:
488 case NODE_FLOATING_POINT:
489 case NODE_INTEGER:
490 case NODE_STRING:
491 case NODE_CTF_EXPRESSION:
492 case NODE_POINTER:
493 case NODE_ENUMERATOR:
494 case NODE_UNARY_EXPRESSION:
495 return -EPERM;
496
497 case NODE_UNKNOWN:
498 default:
499 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
500 (int) parent->type);
501 return -EINVAL;
502 }
503 return 0;
504}
505
506static int reparent_type_specifier_list(struct ctf_node *node,
507 struct ctf_node *parent)
02b234c4
MD		 508{
509 switch (parent->type) {
510 case NODE_ROOT:
3e11b713 511 cds_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
02b234c4
MD		 512 break;
513 case NODE_EVENT:
3e11b713 514 cds_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
02b234c4
MD		 515 break;
516 case NODE_STREAM:
3e11b713 517 cds_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
02b234c4
MD		 518 break;
519 case NODE_TRACE:
3e11b713 520 cds_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
02b234c4
MD		 521 break;
522 case NODE_VARIANT:
3e11b713 523 cds_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
02b234c4
MD		 524 break;
525 case NODE_STRUCT:
3e11b713 526 cds_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
02b234c4
MD		 527 break;
528 case NODE_TYPEDEF:
3e11b713 529 parent->u._typedef.type_specifier_list = node;
02b234c4
MD		 530 break;
531 case NODE_TYPEALIAS_TARGET:
3e11b713 532 parent->u.typealias_target.type_specifier_list = node;
02b234c4
MD		 533 break;
534 case NODE_TYPEALIAS_ALIAS:
3e11b713 535 parent->u.typealias_alias.type_specifier_list = node;
02b234c4
MD		 536 break;
537 case NODE_TYPE_DECLARATOR:
538 parent->u.type_declarator.type = TYPEDEC_NESTED;
3e11b713 539 parent->u.type_declarator.u.nested.length = node;
02b234c4
MD		 540 break;
541 case NODE_ENUM:
3e11b713 542 parent->u._enum.container_type = node;
02b234c4
MD		 543 break;
544 case NODE_STRUCT_OR_VARIANT_DECLARATION:
3e11b713 545 parent->u.struct_or_variant_declaration.type_specifier_list = node;
02b234c4 546 break;
3e11b713 547 case NODE_TYPE_SPECIFIER:
02b234c4
MD		 548 case NODE_TYPEALIAS:
549 case NODE_FLOATING_POINT:
550 case NODE_INTEGER:
551 case NODE_STRING:
552 case NODE_CTF_EXPRESSION:
02b234c4
MD		 553 case NODE_POINTER:
554 case NODE_ENUMERATOR:
6dc474b8 555 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 556 return -EPERM;
557
558 case NODE_UNKNOWN:
559 default:
560 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
561 (int) parent->type);
562 return -EINVAL;
563 }
564 return 0;
565}
566
567static int reparent_type_declarator(struct ctf_node *node,
568 struct ctf_node *parent)
569{
570 switch (parent->type) {
571 case NODE_TYPE_DECLARATOR:
572 parent->u.type_declarator.type = TYPEDEC_NESTED;
573 parent->u.type_declarator.u.nested.type_declarator = node;
574 break;
575 case NODE_STRUCT_OR_VARIANT_DECLARATION:
48a01768 576 _cds_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
02b234c4
MD		 577 break;
578 case NODE_TYPEDEF:
48a01768 579 _cds_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
02b234c4
MD		 580 break;
581 case NODE_TYPEALIAS_TARGET:
48a01768 582 _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
02b234c4
MD		 583 break;
584 case NODE_TYPEALIAS_ALIAS:
48a01768 585 _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_declarators);
02b234c4
MD		 586 break;
587
588 case NODE_ROOT:
589 case NODE_EVENT:
590 case NODE_STREAM:
591 case NODE_TRACE:
592 case NODE_VARIANT:
593 case NODE_STRUCT:
594 case NODE_TYPEALIAS:
595 case NODE_ENUM:
596 case NODE_FLOATING_POINT:
597 case NODE_INTEGER:
598 case NODE_STRING:
599 case NODE_CTF_EXPRESSION:
600 case NODE_TYPE_SPECIFIER:
3e11b713 601 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 602 case NODE_POINTER:
603 case NODE_ENUMERATOR:
6dc474b8 604 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 605 return -EPERM;
606
607 case NODE_UNKNOWN:
608 default:
609 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
610 (int) parent->type);
611 return -EINVAL;
612 }
613 return 0;
614}
615
616/*
48a01768 617 * set_parent_node
02b234c4 618 *
48a01768
MD		 619 * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
620 * create the link declared by the input, -ENOENT if node or parent is NULL,
621 * -EINVAL if there is an internal structure problem.
02b234c4 622 */
48a01768 623static int set_parent_node(struct ctf_node *node,
02b234c4
MD		 624 struct ctf_node *parent)
625{
626 if (!node || !parent)
627 return -ENOENT;
628
6dc474b8 629 /* Note: Linking to parent will be done only by an external visitor */
02b234c4
MD		 630
631 switch (node->type) {
632 case NODE_ROOT:
633 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
634 return -EINVAL;
635
636 case NODE_EVENT:
48a01768
MD		 637 if (parent->type == NODE_ROOT) {
638 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.event);
3e11b713 639 } else {
02b234c4 640 return -EPERM;
3e11b713 641 }
02b234c4
MD		 642 break;
643 case NODE_STREAM:
48a01768
MD		 644 if (parent->type == NODE_ROOT) {
645 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
3e11b713 646 } else {
02b234c4 647 return -EPERM;
3e11b713 648 }
02b234c4
MD		 649 break;
650 case NODE_TRACE:
48a01768
MD		 651 if (parent->type == NODE_ROOT) {
652 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
3e11b713 653 } else {
02b234c4 654 return -EPERM;
3e11b713 655 }
02b234c4
MD		 656 break;
657
658 case NODE_CTF_EXPRESSION:
659 return reparent_ctf_expression(node, parent);
6dc474b8
MD		 660 case NODE_UNARY_EXPRESSION:
661 if (parent->type == NODE_TYPE_DECLARATOR)
662 parent->u.type_declarator.bitfield_len = node;
663 else
664 return -EPERM;
665 break;
02b234c4
MD		 666
667 case NODE_TYPEDEF:
668 return reparent_typedef(node, parent);
669 case NODE_TYPEALIAS_TARGET:
670 if (parent->type == NODE_TYPEALIAS)
671 parent->u.typealias.target = node;
672 else
673 return -EINVAL;
674 case NODE_TYPEALIAS_ALIAS:
675 if (parent->type == NODE_TYPEALIAS)
676 parent->u.typealias.alias = node;
677 else
678 return -EINVAL;
679 case NODE_TYPEALIAS:
680 return reparent_typealias(node, parent);
681
02b234c4 682 case NODE_POINTER:
48a01768
MD		 683 if (parent->type == NODE_TYPE_DECLARATOR) {
684 _cds_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
685 } else
02b234c4
MD		 686 return -EPERM;
687 break;
688 case NODE_TYPE_DECLARATOR:
689 return reparent_type_declarator(node, parent);
690
3e11b713
MD		 691 case NODE_TYPE_SPECIFIER_LIST:
692 return reparent_type_specifier_list(node, parent);
693
6dc474b8 694 case NODE_TYPE_SPECIFIER:
3e11b713
MD		 695 return reparent_type_specifier(node, parent);
696
02b234c4 697 case NODE_FLOATING_POINT:
02b234c4 698 case NODE_INTEGER:
02b234c4 699 case NODE_STRING:
6dc474b8
MD		 700 case NODE_ENUM:
701 case NODE_VARIANT:
702 case NODE_STRUCT:
3e11b713 703 return -EINVAL; /* Dealt with internally within grammar */
6dc474b8 704
02b234c4 705 case NODE_ENUMERATOR:
48a01768
MD		 706 if (parent->type == NODE_ENUM) {
707 _cds_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
3e11b713 708 } else {
02b234c4 709 return -EPERM;
3e11b713 710 }
02b234c4 711 break;
02b234c4
MD		 712 case NODE_STRUCT_OR_VARIANT_DECLARATION:
713 switch (parent->type) {
714 case NODE_STRUCT:
48a01768 715 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
02b234c4
MD		 716 break;
717 case NODE_VARIANT:
48a01768 718 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
02b234c4
MD		 719 break;
720 default:
721 return -EINVAL;
722 }
723 break;
02b234c4
MD		 724
725 case NODE_UNKNOWN:
726 default:
727 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
728 (int) parent->type);
729 return -EINVAL;
730 }
731 return 0;
732}
733
34d3acc4 734void yyerror(struct ctf_scanner *scanner, const char *str)
8b9d5b5e
MD		 735{
736 fprintf(stderr, "error %s\n", str);
737}
738
739int yywrap(void)
740{
741 return 1;
742}
743
6dc474b8
MD		 744#define reparent_error(scanner, str) \
745do { \
746 yyerror(scanner, YY_("reparent_error: " str "\n")); \
747 YYERROR; \
748} while (0)
749
34d3acc4 750static void free_strings(struct cds_list_head *list)
8b9d5b5e
MD		 751{
752 struct gc_string *gstr, *tmp;
753
34d3acc4 754 cds_list_for_each_entry_safe(gstr, tmp, list, gc)
8b9d5b5e
MD		 755 free(gstr);
756}
757
34d3acc4 758static struct ctf_ast *ctf_ast_alloc(void)
8b9d5b5e 759{
34d3acc4
MD		 760 struct ctf_ast *ast;
761
762 ast = malloc(sizeof(*ast));
763 if (!ast)
764 return NULL;
765 memset(ast, 0, sizeof(*ast));
02b234c4
MD		 766 CDS_INIT_LIST_HEAD(&ast->allocated_nodes);
767 ast->root.type = NODE_ROOT;
48a01768 768 CDS_INIT_LIST_HEAD(&ast->root.tmp_head);
3e11b713 769 CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
02b234c4
MD		 770 CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
771 CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
772 CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
34d3acc4
MD		 773 return ast;
774}
775
776static void ctf_ast_free(struct ctf_ast *ast)
777{
02b234c4
MD		 778 struct ctf_node *node, *tmp;
779
780 cds_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
781 free(node);
34d3acc4
MD		 782}
783
784int ctf_scanner_append_ast(struct ctf_scanner *scanner)
785{
786 return yyparse(scanner);
787}
788
789struct ctf_scanner *ctf_scanner_alloc(FILE *input)
790{
791 struct ctf_scanner *scanner;
792 int ret;
793
a3983482
MD		 794 yydebug = babeltrace_debug;
795
34d3acc4
MD		 796 scanner = malloc(sizeof(*scanner));
797 if (!scanner)
798 return NULL;
799 memset(scanner, 0, sizeof(*scanner));
800
801 ret = yylex_init_extra(scanner, &scanner->scanner);
802 if (ret) {
803 fprintf(stderr, "yylex_init error\n");
804 goto cleanup_scanner;
805 }
65102a8c
MD		 806 /* Start processing new stream */
807 yyrestart(input, scanner->scanner);
34d3acc4
MD		 808
809 scanner->ast = ctf_ast_alloc();
810 if (!scanner->ast)
811 goto cleanup_lexer;
812 init_scope(&scanner->root_scope, NULL);
19d96da7 813 scanner->cs = &scanner->root_scope;
34d3acc4
MD		 814 CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
815
65102a8c
MD		 816 if (yydebug)
817 fprintf(stdout, "Scanner input is a%s.\n",
818 isatty(fileno(input)) ? "n interactive tty" :
819 " noninteractive file");
820
34d3acc4
MD		 821 return scanner;
822
823cleanup_lexer:
824 ret = yylex_destroy(scanner->scanner);
825 if (!ret)
826 fprintf(stderr, "yylex_destroy error\n");
827cleanup_scanner:
828 free(scanner);
829 return NULL;
830}
831
832void ctf_scanner_free(struct ctf_scanner *scanner)
833{
834 int ret;
835
836 finalize_scope(&scanner->root_scope);
837 free_strings(&scanner->allocated_strings);
838 ctf_ast_free(scanner->ast);
839 ret = yylex_destroy(scanner->scanner);
840 if (ret)
841 fprintf(stderr, "yylex_destroy error\n");
842 free(scanner);
843}
8b9d5b5e
MD		 844
845%}
846
34d3acc4
MD		 847%define api.pure
848 /* %locations */
849%parse-param {struct ctf_scanner *scanner}
850%lex-param {struct ctf_scanner *scanner}
0fbb34a5
MD		 851/*
852 * Expect two shift-reduce conflicts. Caused by enum name-opt : type {}
853 * vs struct { int :value; } (unnamed bit-field). The default is to
854 * shift, so whenever we encounter an enumeration, we are doing the
855 * proper thing (shift). It is illegal to declare an enumeration
856 * "bit-field", so it is OK if this situation ends up in a parsing
857 * error.
858 */
859%expect 2
8b9d5b5e 860%start file
8b9d5b5e
MD		 861%token CHARACTER_CONSTANT_START SQUOTE STRING_LITERAL_START DQUOTE ESCSEQ CHAR_STRING_TOKEN LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT
862%token <gs> IDENTIFIER ID_TYPE
863%token ERROR
864%union
865{
866 long long ll;
867 char c;
868 struct gc_string *gs;
869 struct ctf_node *n;
870}
871
6dc474b8
MD		 872%type <gs> keywords
873%type <gs> s_char s_char_sequence c_char c_char_sequence
874
875%type <n> postfix_expression unary_expression unary_expression_or_range
876
877%type <n> declaration
02b234c4 878%type <n> event_declaration
6dc474b8
MD		 879%type <n> stream_declaration
880%type <n> trace_declaration
0fbb34a5 881%type <n> integer_declaration_specifiers
6dc474b8 882%type <n> declaration_specifiers
1ee8e81d 883%type <n> alias_declaration_specifiers
6dc474b8
MD		 884
885%type <n> type_declarator_list
0fbb34a5 886%type <n> integer_type_specifier
6dc474b8
MD		 887%type <n> type_specifier
888%type <n> struct_type_specifier
889%type <n> variant_type_specifier
7d4192cb 890%type <n> declaration_specifiers_or_integer_constant
6dc474b8
MD		 891%type <n> enum_type_specifier
892%type <n> struct_or_variant_declaration_list
893%type <n> struct_or_variant_declaration
6dc474b8
MD		 894%type <n> struct_or_variant_declarator_list
895%type <n> struct_or_variant_declarator
896%type <n> enumerator_list
897%type <n> enumerator
898%type <n> abstract_declarator_list
899%type <n> abstract_declarator
900%type <n> direct_abstract_declarator
e0c14875
MD		 901%type <n> alias_abstract_declarator_list
902%type <n> alias_abstract_declarator
903%type <n> direct_alias_abstract_declarator
6dc474b8
MD		 904%type <n> declarator
905%type <n> direct_declarator
906%type <n> type_declarator
907%type <n> direct_type_declarator
6dc474b8 908%type <n> pointer
02b234c4
MD		 909%type <n> ctf_assignment_expression_list
910%type <n> ctf_assignment_expression
911
8b9d5b5e
MD		 912%%
913
914file:
915 declaration
6dc474b8 916 {
48a01768 917 if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
6dc474b8
MD		 918 reparent_error(scanner, "error reparenting to root");
919 }
8b9d5b5e 920 | file declaration
6dc474b8 921 {
48a01768 922 if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
6dc474b8
MD		 923 reparent_error(scanner, "error reparenting to root");
924 }
8b9d5b5e
MD		 925 ;
926
927keywords:
928 VOID
6dc474b8 929 { $$ = yylval.gs; }
8b9d5b5e 930 | CHAR
6dc474b8 931 { $$ = yylval.gs; }
8b9d5b5e 932 | SHORT
6dc474b8 933 { $$ = yylval.gs; }
8b9d5b5e 934 | INT
6dc474b8 935 { $$ = yylval.gs; }
8b9d5b5e 936 | LONG
6dc474b8 937 { $$ = yylval.gs; }
8b9d5b5e 938 | FLOAT
6dc474b8 939 { $$ = yylval.gs; }
8b9d5b5e 940 | DOUBLE
6dc474b8 941 { $$ = yylval.gs; }
8b9d5b5e 942 | SIGNED
6dc474b8 943 { $$ = yylval.gs; }
8b9d5b5e 944 | UNSIGNED
6dc474b8 945 { $$ = yylval.gs; }
8b9d5b5e 946 | _BOOL
6dc474b8 947 { $$ = yylval.gs; }
8b9d5b5e 948 | _COMPLEX
6dc474b8 949 { $$ = yylval.gs; }
3888a159
MD		 950 | _IMAGINARY
951 { $$ = yylval.gs; }
8b9d5b5e 952 | FLOATING_POINT
6dc474b8 953 { $$ = yylval.gs; }
8b9d5b5e 954 | INTEGER
6dc474b8 955 { $$ = yylval.gs; }
8b9d5b5e 956 | STRING
6dc474b8 957 { $$ = yylval.gs; }
8b9d5b5e 958 | ENUM
6dc474b8 959 { $$ = yylval.gs; }
8b9d5b5e 960 | VARIANT
6dc474b8 961 { $$ = yylval.gs; }
8b9d5b5e 962 | STRUCT
6dc474b8 963 { $$ = yylval.gs; }
8b9d5b5e 964 | CONST
6dc474b8 965 { $$ = yylval.gs; }
8b9d5b5e 966 | TYPEDEF
6dc474b8 967 { $$ = yylval.gs; }
8b9d5b5e 968 | EVENT
6dc474b8 969 { $$ = yylval.gs; }
8b9d5b5e 970 | STREAM
6dc474b8 971 { $$ = yylval.gs; }
8b9d5b5e 972 | TRACE
6dc474b8 973 { $$ = yylval.gs; }
8b9d5b5e
MD		 974 ;
975
976/* 1.5 Constants */
977
978c_char_sequence:
979 c_char
6dc474b8 980 { $$ = $1; }
8b9d5b5e 981 | c_char_sequence c_char
6dc474b8 982 { $$ = gc_string_append(scanner, $1, $2); }
8b9d5b5e
MD		 983 ;
984
985c_char:
986 CHAR_STRING_TOKEN
6dc474b8 987 { $$ = yylval.gs; }
8b9d5b5e 988 | ESCSEQ
6dc474b8
MD		 989 {
990 reparent_error(scanner, "escape sequences not supported yet");
991 }
8b9d5b5e
MD		 992 ;
993
994/* 1.6 String literals */
995
996s_char_sequence:
997 s_char
6dc474b8 998 { $$ = $1; }
8b9d5b5e 999 | s_char_sequence s_char
6dc474b8 1000 { $$ = gc_string_append(scanner, $1, $2); }
8b9d5b5e
MD		 1001 ;
1002
1003s_char:
1004 CHAR_STRING_TOKEN
6dc474b8 1005 { $$ = yylval.gs; }
8b9d5b5e 1006 | ESCSEQ
6dc474b8
MD		 1007 {
1008 reparent_error(scanner, "escape sequences not supported yet");
1009 }
8b9d5b5e
MD		 1010 ;
1011
1012/* 2: Phrase structure grammar */
1013
1014postfix_expression:
1015 IDENTIFIER
6dc474b8
MD		 1016 {
1017 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1018 $$->u.unary_expression.type = UNARY_STRING;
1019 $$->u.unary_expression.u.string = yylval.gs->s;
1020 }
8b9d5b5e 1021 | ID_TYPE
6dc474b8
MD		 1022 {
1023 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1024 $$->u.unary_expression.type = UNARY_STRING;
1025 $$->u.unary_expression.u.string = yylval.gs->s;
1026 }
8b9d5b5e 1027 | keywords
6dc474b8
MD		 1028 {
1029 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1030 $$->u.unary_expression.type = UNARY_STRING;
1031 $$->u.unary_expression.u.string = yylval.gs->s;
1032 }
8b9d5b5e 1033 | DECIMAL_CONSTANT
6dc474b8
MD		 1034 {
1035 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1036 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1037 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1038 &$$->u.unary_expression.u.unsigned_constant);
1039 }
8b9d5b5e 1040 | OCTAL_CONSTANT
6dc474b8
MD		 1041 {
1042 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1043 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1044 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1045 &$$->u.unary_expression.u.unsigned_constant);
1046 }
8b9d5b5e 1047 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1048 {
1049 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1050 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1051 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1052 &$$->u.unary_expression.u.unsigned_constant);
1053 }
8b9d5b5e 1054 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 1055 {
1056 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1057 $$->u.unary_expression.type = UNARY_STRING;
1058 $$->u.unary_expression.u.string = "";
1059 }
8b9d5b5e 1060 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 1061 {
1062 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1063 $$->u.unary_expression.type = UNARY_STRING;
1064 $$->u.unary_expression.u.string = $2->s;
1065 }
8b9d5b5e 1066 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
6dc474b8
MD		 1067 {
1068 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1069 $$->u.unary_expression.type = UNARY_STRING;
1070 $$->u.unary_expression.u.string = $2->s;
1071 }
8b9d5b5e 1072 | LPAREN unary_expression RPAREN
6dc474b8 1073 {
48a01768
MD		 1074 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1075 $$->u.unary_expression.type = UNARY_NESTED;
1076 $$->u.unary_expression.u.nested_exp = $2;
6dc474b8 1077 }
8b9d5b5e 1078 | postfix_expression LSBRAC unary_expression RSBRAC
6dc474b8
MD		 1079 {
1080 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1081 $$->u.unary_expression.type = UNARY_SBRAC;
1082 $$->u.unary_expression.u.sbrac_exp = $3;
48a01768
MD		 1083 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1084 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1085 }
8b9d5b5e 1086 | postfix_expression DOT IDENTIFIER
6dc474b8
MD		 1087 {
1088 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1089 $$->u.unary_expression.type = UNARY_STRING;
1090 $$->u.unary_expression.u.string = yylval.gs->s;
1091 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1092 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1093 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1094 }
8b9d5b5e 1095 | postfix_expression DOT ID_TYPE
6dc474b8
MD		 1096 {
1097 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1098 $$->u.unary_expression.type = UNARY_STRING;
1099 $$->u.unary_expression.u.string = yylval.gs->s;
1100 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1101 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1102 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1103 }
8b9d5b5e 1104 | postfix_expression RARROW IDENTIFIER
6dc474b8
MD		 1105 {
1106 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1107 $$->u.unary_expression.type = UNARY_STRING;
1108 $$->u.unary_expression.u.string = yylval.gs->s;
1109 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1110 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1111 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1112 }
8b9d5b5e 1113 | postfix_expression RARROW ID_TYPE
6dc474b8
MD		 1114 {
1115 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1116 $$->u.unary_expression.type = UNARY_STRING;
1117 $$->u.unary_expression.u.string = yylval.gs->s;
1118 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1119 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1120 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1121 }
8b9d5b5e
MD		 1122 ;
1123
1124unary_expression:
1125 postfix_expression
6dc474b8 1126 { $$ = $1; }
8b9d5b5e 1127 | PLUS postfix_expression
6dc474b8 1128 { $$ = $2; }
8b9d5b5e 1129 | MINUS postfix_expression
6dc474b8
MD		 1130 {
1131 $$ = $2;
1132 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1133 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1134 reparent_error(scanner, "expecting numeric constant");
1135
1136 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1137 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1138 $$->u.unary_expression.u.signed_constant =
1139 -($$->u.unary_expression.u.unsigned_constant);
1140 } else {
1141 $$->u.unary_expression.u.signed_constant =
1142 -($$->u.unary_expression.u.signed_constant);
1143 }
1144 }
8b9d5b5e
MD		 1145 ;
1146
1147unary_expression_or_range:
1148 unary_expression DOTDOTDOT unary_expression
6dc474b8
MD		 1149 {
1150 $$ = $1;
48a01768
MD		 1151 _cds_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1152 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
6dc474b8 1153 }
8b9d5b5e 1154 | unary_expression
6dc474b8 1155 { $$ = $1; }
8b9d5b5e
MD		 1156 ;
1157
1158/* 2.2: Declarations */
1159
1160declaration:
1161 declaration_specifiers SEMICOLON
6dc474b8 1162 { $$ = $1; }
8b9d5b5e 1163 | event_declaration
6dc474b8 1164 { $$ = $1; }
8b9d5b5e 1165 | stream_declaration
6dc474b8 1166 { $$ = $1; }
8b9d5b5e 1167 | trace_declaration
6dc474b8 1168 { $$ = $1; }
8b9d5b5e 1169 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1170 {
3e11b713
MD		 1171 struct ctf_node *list;
1172
6dc474b8 1173 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1174 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1175 $$->u._typedef.type_specifier_list = list;
1176 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1177 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1178 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1179 }
8b9d5b5e 1180 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1181 {
3e11b713
MD		 1182 struct ctf_node *list;
1183
6dc474b8 1184 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1185 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1186 $$->u._typedef.type_specifier_list = list;
1187 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1188 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1189 }
8b9d5b5e 1190 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1191 {
3e11b713
MD		 1192 struct ctf_node *list;
1193
6dc474b8 1194 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1195 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1196 $$->u._typedef.type_specifier_list = list;
1197 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1198 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1199 }
a030d084 1200 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1201 {
3e11b713
MD		 1202 struct ctf_node *list;
1203
6dc474b8
MD		 1204 $$ = make_node(scanner, NODE_TYPEALIAS);
1205 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1206 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1207
1208 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1209 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1210 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1211 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1212
1213 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1214 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1215 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1216 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1217 }
8b9d5b5e
MD		 1218 ;
1219
1220event_declaration:
1221 event_declaration_begin event_declaration_end
48a01768
MD		 1222 {
1223 $$ = make_node(scanner, NODE_EVENT);
48a01768 1224 }
8b9d5b5e 1225 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
02b234c4
MD		 1226 {
1227 $$ = make_node(scanner, NODE_EVENT);
48a01768 1228 if (set_parent_node($2, $$))
6dc474b8 1229 reparent_error(scanner, "event_declaration");
02b234c4 1230 }
8b9d5b5e
MD		 1231 ;
1232
1233event_declaration_begin:
1234 EVENT LBRAC
fce8006d 1235 { push_scope(scanner); }
8b9d5b5e
MD		 1236 ;
1237
1238event_declaration_end:
1239 RBRAC SEMICOLON
fce8006d 1240 { pop_scope(scanner); }
8b9d5b5e
MD		 1241 ;
1242
1243
1244stream_declaration:
1245 stream_declaration_begin stream_declaration_end
48a01768
MD		 1246 {
1247 $$ = make_node(scanner, NODE_STREAM);
48a01768 1248 }
8b9d5b5e 1249 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
6dc474b8
MD		 1250 {
1251 $$ = make_node(scanner, NODE_STREAM);
48a01768 1252 if (set_parent_node($2, $$))
6dc474b8
MD		 1253 reparent_error(scanner, "stream_declaration");
1254 }
8b9d5b5e
MD		 1255 ;
1256
1257stream_declaration_begin:
1258 STREAM LBRAC
fce8006d 1259 { push_scope(scanner); }
8b9d5b5e
MD		 1260 ;
1261
1262stream_declaration_end:
1263 RBRAC SEMICOLON
fce8006d 1264 { pop_scope(scanner); }
8b9d5b5e
MD		 1265 ;
1266
1267
1268trace_declaration:
1269 trace_declaration_begin trace_declaration_end
48a01768
MD		 1270 {
1271 $$ = make_node(scanner, NODE_TRACE);
48a01768 1272 }
8b9d5b5e 1273 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
6dc474b8
MD		 1274 {
1275 $$ = make_node(scanner, NODE_TRACE);
48a01768 1276 if (set_parent_node($2, $$))
6dc474b8
MD		 1277 reparent_error(scanner, "trace_declaration");
1278 }
8b9d5b5e
MD		 1279 ;
1280
1281trace_declaration_begin:
1282 TRACE LBRAC
fce8006d 1283 { push_scope(scanner); }
8b9d5b5e
MD		 1284 ;
1285
1286trace_declaration_end:
1287 RBRAC SEMICOLON
fce8006d 1288 { pop_scope(scanner); }
8b9d5b5e
MD		 1289 ;
1290
0fbb34a5
MD		 1291integer_declaration_specifiers:
1292 CONST
1293 {
1294 struct ctf_node *node;
1295
1296 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1297 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1298 node->u.type_specifier.type = TYPESPEC_CONST;
1299 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1300 }
1301 | integer_type_specifier
1302 {
1303 struct ctf_node *node;
1304
1305 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1306 node = $1;
1307 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1308 }
1309 | integer_declaration_specifiers CONST
1310 {
1311 struct ctf_node *node;
1312
1313 $$ = $1;
1314 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1315 node->u.type_specifier.type = TYPESPEC_CONST;
1316 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1317 }
1318 | integer_declaration_specifiers integer_type_specifier
1319 {
1320 $$ = $1;
1321 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1322 }
1323 ;
1324
8b9d5b5e
MD		 1325declaration_specifiers:
1326 CONST
6dc474b8 1327 {
3e11b713
MD		 1328 struct ctf_node *node;
1329
1330 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1331 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1332 node->u.type_specifier.type = TYPESPEC_CONST;
1333 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1334 }
8b9d5b5e 1335 | type_specifier
3e11b713
MD		 1336 {
1337 struct ctf_node *node;
1338
1339 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1340 node = $1;
1341 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1342 }
8b9d5b5e 1343 | declaration_specifiers CONST
6dc474b8
MD		 1344 {
1345 struct ctf_node *node;
1346
48a01768 1347 $$ = $1;
6dc474b8
MD		 1348 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1349 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1350 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1351 }
8b9d5b5e 1352 | declaration_specifiers type_specifier
6dc474b8
MD		 1353 {
1354 $$ = $1;
3e11b713 1355 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1356 }
8b9d5b5e
MD		 1357 ;
1358
1359type_declarator_list:
1360 type_declarator
0009a725 1361 { $$ = $1; }
8b9d5b5e 1362 | type_declarator_list COMMA type_declarator
6dc474b8
MD		 1363 {
1364 $$ = $1;
48a01768 1365 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1366 }
8b9d5b5e
MD		 1367 ;
1368
0fbb34a5
MD		 1369integer_type_specifier:
1370 CHAR
1371 {
1372 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1373 $$->u.type_specifier.type = TYPESPEC_CHAR;
1374 }
1375 | SHORT
1376 {
1377 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1378 $$->u.type_specifier.type = TYPESPEC_SHORT;
1379 }
1380 | INT
1381 {
1382 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1383 $$->u.type_specifier.type = TYPESPEC_INT;
1384 }
1385 | LONG
1386 {
1387 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1388 $$->u.type_specifier.type = TYPESPEC_LONG;
1389 }
1390 | SIGNED
1391 {
1392 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1393 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1394 }
1395 | UNSIGNED
1396 {
1397 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1398 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1399 }
1400 | _BOOL
1401 {
1402 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1403 $$->u.type_specifier.type = TYPESPEC_BOOL;
1404 }
1405 | ID_TYPE
1406 {
1407 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1408 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1409 $$->u.type_specifier.id_type = yylval.gs->s;
1410 }
1411 | INTEGER LBRAC RBRAC
1412 {
1413 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1414 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1415 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1416 }
1417 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1418 {
1419 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1420 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1421 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1422 if (set_parent_node($3, $$->u.type_specifier.node))
1423 reparent_error(scanner, "integer reparent error");
1424 }
1425 ;
1426
8b9d5b5e
MD		 1427type_specifier:
1428 VOID
6dc474b8
MD		 1429 {
1430 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1431 $$->u.type_specifier.type = TYPESPEC_VOID;
1432 }
8b9d5b5e 1433 | CHAR
6dc474b8
MD		 1434 {
1435 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1436 $$->u.type_specifier.type = TYPESPEC_CHAR;
1437 }
8b9d5b5e 1438 | SHORT
6dc474b8
MD		 1439 {
1440 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1441 $$->u.type_specifier.type = TYPESPEC_SHORT;
1442 }
8b9d5b5e 1443 | INT
6dc474b8
MD		 1444 {
1445 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1446 $$->u.type_specifier.type = TYPESPEC_INT;
1447 }
8b9d5b5e 1448 | LONG
6dc474b8
MD		 1449 {
1450 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1451 $$->u.type_specifier.type = TYPESPEC_LONG;
1452 }
8b9d5b5e 1453 | FLOAT
6dc474b8
MD		 1454 {
1455 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1456 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1457 }
8b9d5b5e 1458 | DOUBLE
6dc474b8
MD		 1459 {
1460 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1461 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1462 }
8b9d5b5e 1463 | SIGNED
6dc474b8
MD		 1464 {
1465 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1466 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1467 }
8b9d5b5e 1468 | UNSIGNED
6dc474b8
MD		 1469 {
1470 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1471 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1472 }
8b9d5b5e 1473 | _BOOL
6dc474b8
MD		 1474 {
1475 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1476 $$->u.type_specifier.type = TYPESPEC_BOOL;
1477 }
8b9d5b5e 1478 | _COMPLEX
6dc474b8
MD		 1479 {
1480 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1481 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1482 }
3888a159
MD		 1483 | _IMAGINARY
1484 {
1485 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1486 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1487 }
8b9d5b5e 1488 | ID_TYPE
6dc474b8
MD		 1489 {
1490 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1491 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1492 $$->u.type_specifier.id_type = yylval.gs->s;
1493 }
8b9d5b5e 1494 | FLOATING_POINT LBRAC RBRAC
6dc474b8 1495 {
3e11b713
MD		 1496 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1497 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1498 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
6dc474b8 1499 }
8b9d5b5e 1500 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1501 {
3e11b713
MD		 1502 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1503 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1504 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1505 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1506 reparent_error(scanner, "floating point reparent error");
1507 }
8b9d5b5e 1508 | INTEGER LBRAC RBRAC
6dc474b8 1509 {
3e11b713
MD		 1510 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1511 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1512 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
6dc474b8 1513 }
8b9d5b5e 1514 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1515 {
3e11b713
MD		 1516 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1517 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1518 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1519 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1520 reparent_error(scanner, "integer reparent error");
1521 }
b40c8090
MD		 1522 | STRING
1523 {
1524 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1525 $$->u.type_specifier.type = TYPESPEC_STRING;
1526 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1527 }
8b9d5b5e 1528 | STRING LBRAC RBRAC
6dc474b8 1529 {
3e11b713
MD		 1530 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1531 $$->u.type_specifier.type = TYPESPEC_STRING;
1532 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
6dc474b8 1533 }
8b9d5b5e 1534 | STRING LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1535 {
3e11b713
MD		 1536 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1537 $$->u.type_specifier.type = TYPESPEC_STRING;
1538 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1539 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1540 reparent_error(scanner, "string reparent error");
1541 }
8b9d5b5e 1542 | ENUM enum_type_specifier
3e11b713
MD		 1543 {
1544 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1545 $$->u.type_specifier.type = TYPESPEC_ENUM;
1546 $$->u.type_specifier.node = $2;
1547 }
8b9d5b5e 1548 | VARIANT variant_type_specifier
3e11b713
MD		 1549 {
1550 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1551 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1552 $$->u.type_specifier.node = $2;
3e11b713 1553 }
8b9d5b5e 1554 | STRUCT struct_type_specifier
3e11b713
MD		 1555 {
1556 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1557 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1558 $$->u.type_specifier.node = $2;
3e11b713 1559 }
8b9d5b5e
MD		 1560 ;
1561
1562struct_type_specifier:
1563 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1564 {
1565 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1566 $$->u._struct.has_body = 1;
5039b4cc 1567 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1568 reparent_error(scanner, "struct reparent error");
1569 }
8b9d5b5e 1570 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1571 {
1572 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1573 $$->u._struct.has_body = 1;
6dc474b8 1574 $$->u._struct.name = $1->s;
5039b4cc 1575 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1576 reparent_error(scanner, "struct reparent error");
1577 }
8b9d5b5e 1578 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1579 {
1580 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1581 $$->u._struct.has_body = 1;
6dc474b8 1582 $$->u._struct.name = $1->s;
5039b4cc 1583 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1584 reparent_error(scanner, "struct reparent error");
1585 }
8b9d5b5e 1586 | IDENTIFIER
6dc474b8
MD		 1587 {
1588 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1589 $$->u._struct.has_body = 0;
6dc474b8
MD		 1590 $$->u._struct.name = $1->s;
1591 }
8b9d5b5e 1592 | ID_TYPE
6dc474b8
MD		 1593 {
1594 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1595 $$->u._struct.has_body = 0;
6dc474b8
MD		 1596 $$->u._struct.name = $1->s;
1597 }
8b9d5b5e
MD		 1598 ;
1599
1600struct_declaration_begin:
1601 LBRAC
fce8006d 1602 { push_scope(scanner); }
8b9d5b5e
MD		 1603 ;
1604
1605struct_declaration_end:
1606 RBRAC
fce8006d 1607 { pop_scope(scanner); }
8b9d5b5e
MD		 1608 ;
1609
1610variant_type_specifier:
1611 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1612 {
1613 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1614 $$->u.variant.has_body = 1;
5039b4cc 1615 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1616 reparent_error(scanner, "variant reparent error");
1617 }
8b9d5b5e 1618 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1619 {
1620 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1621 $$->u.variant.has_body = 1;
6dc474b8 1622 $$->u.variant.choice = $2->s;
5039b4cc 1623 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1624 reparent_error(scanner, "variant reparent error");
1625 }
8b9d5b5e 1626 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1627 {
1628 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1629 $$->u.variant.has_body = 1;
6dc474b8 1630 $$->u.variant.choice = $2->s;
5039b4cc 1631 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1632 reparent_error(scanner, "variant reparent error");
1633 }
8b9d5b5e 1634 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1635 {
1636 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1637 $$->u.variant.has_body = 1;
6dc474b8 1638 $$->u.variant.name = $1->s;
5039b4cc 1639 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1640 reparent_error(scanner, "variant reparent error");
1641 }
8b9d5b5e 1642 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1643 {
1644 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1645 $$->u.variant.has_body = 1;
6dc474b8
MD		 1646 $$->u.variant.name = $1->s;
1647 $$->u.variant.choice = $3->s;
5039b4cc 1648 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1649 reparent_error(scanner, "variant reparent error");
1650 }
8b9d5b5e 1651 | IDENTIFIER LT IDENTIFIER GT
6dc474b8
MD		 1652 {
1653 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1654 $$->u.variant.has_body = 0;
6dc474b8
MD		 1655 $$->u.variant.name = $1->s;
1656 $$->u.variant.choice = $3->s;
1657 }
8b9d5b5e 1658 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1659 {
1660 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1661 $$->u.variant.has_body = 1;
6dc474b8
MD		 1662 $$->u.variant.name = $1->s;
1663 $$->u.variant.choice = $3->s;
5039b4cc 1664 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1665 reparent_error(scanner, "variant reparent error");
1666 }
8b9d5b5e 1667 | IDENTIFIER LT ID_TYPE GT
6dc474b8
MD		 1668 {
1669 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1670 $$->u.variant.has_body = 0;
6dc474b8
MD		 1671 $$->u.variant.name = $1->s;
1672 $$->u.variant.choice = $3->s;
1673 }
8b9d5b5e 1674 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1675 {
1676 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1677 $$->u.variant.has_body = 1;
6dc474b8 1678 $$->u.variant.name = $1->s;
5039b4cc 1679 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1680 reparent_error(scanner, "variant reparent error");
1681 }
8b9d5b5e 1682 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1683 {
1684 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1685 $$->u.variant.has_body = 1;
6dc474b8
MD		 1686 $$->u.variant.name = $1->s;
1687 $$->u.variant.choice = $3->s;
5039b4cc 1688 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1689 reparent_error(scanner, "variant reparent error");
1690 }
8b9d5b5e 1691 | ID_TYPE LT IDENTIFIER GT
6dc474b8
MD		 1692 {
1693 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1694 $$->u.variant.has_body = 0;
6dc474b8
MD		 1695 $$->u.variant.name = $1->s;
1696 $$->u.variant.choice = $3->s;
1697 }
8b9d5b5e 1698 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1699 {
1700 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1701 $$->u.variant.has_body = 1;
6dc474b8
MD		 1702 $$->u.variant.name = $1->s;
1703 $$->u.variant.choice = $3->s;
5039b4cc 1704 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1705 reparent_error(scanner, "variant reparent error");
1706 }
8b9d5b5e 1707 | ID_TYPE LT ID_TYPE GT
6dc474b8
MD		 1708 {
1709 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1710 $$->u.variant.has_body = 0;
6dc474b8
MD		 1711 $$->u.variant.name = $1->s;
1712 $$->u.variant.choice = $3->s;
1713 }
8b9d5b5e
MD		 1714 ;
1715
1716variant_declaration_begin:
1717 LBRAC
fce8006d 1718 { push_scope(scanner); }
8b9d5b5e
MD		 1719 ;
1720
1721variant_declaration_end:
1722 RBRAC
fce8006d 1723 { pop_scope(scanner); }
8b9d5b5e
MD		 1724 ;
1725
7d4192cb 1726declaration_specifiers_or_integer_constant:
8b9d5b5e 1727 declaration_specifiers
6dc474b8 1728 { $$ = $1; }
8b9d5b5e 1729 | DECIMAL_CONSTANT
6dc474b8
MD		 1730 {
1731 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1732 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1733 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1734 &$$->u.unary_expression.u.unsigned_constant);
1735 }
8b9d5b5e 1736 | OCTAL_CONSTANT
6dc474b8
MD		 1737 {
1738 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1739 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1740 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1741 &$$->u.unary_expression.u.unsigned_constant);
1742 }
8b9d5b5e 1743 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1744 {
1745 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1746 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1747 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1748 &$$->u.unary_expression.u.unsigned_constant);
1749 }
8b9d5b5e
MD		 1750 ;
1751
1752enum_type_specifier:
1753 LBRAC enumerator_list RBRAC
6dc474b8
MD		 1754 {
1755 $$ = make_node(scanner, NODE_ENUM);
add40b62 1756 $$->u._enum.has_body = 1;
48a01768 1757 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1758 }
0fbb34a5 1759 | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1760 {
1761 $$ = make_node(scanner, NODE_ENUM);
add40b62 1762 $$->u._enum.has_body = 1;
3e11b713 1763 ($$)->u._enum.container_type = $2;
0fbb34a5 1764 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1765 }
8b9d5b5e 1766 | IDENTIFIER LBRAC enumerator_list RBRAC
6dc474b8
MD		 1767 {
1768 $$ = make_node(scanner, NODE_ENUM);
add40b62 1769 $$->u._enum.has_body = 1;
6dc474b8 1770 $$->u._enum.enum_id = $1->s;
48a01768 1771 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1772 }
0fbb34a5 1773 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1774 {
1775 $$ = make_node(scanner, NODE_ENUM);
add40b62 1776 $$->u._enum.has_body = 1;
6dc474b8 1777 $$->u._enum.enum_id = $1->s;
3e11b713 1778 ($$)->u._enum.container_type = $3;
0fbb34a5 1779 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1780 }
8b9d5b5e 1781 | ID_TYPE LBRAC enumerator_list RBRAC
6dc474b8
MD		 1782 {
1783 $$ = make_node(scanner, NODE_ENUM);
add40b62 1784 $$->u._enum.has_body = 1;
6dc474b8 1785 $$->u._enum.enum_id = $1->s;
48a01768 1786 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1787 }
0fbb34a5 1788 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1789 {
1790 $$ = make_node(scanner, NODE_ENUM);
add40b62 1791 $$->u._enum.has_body = 1;
6dc474b8 1792 $$->u._enum.enum_id = $1->s;
3e11b713 1793 ($$)->u._enum.container_type = $3;
0fbb34a5 1794 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1795 }
8b9d5b5e 1796 | LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1797 {
1798 $$ = make_node(scanner, NODE_ENUM);
add40b62 1799 $$->u._enum.has_body = 1;
48a01768 1800 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1801 }
0fbb34a5 1802 | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1803 {
1804 $$ = make_node(scanner, NODE_ENUM);
add40b62 1805 $$->u._enum.has_body = 1;
3e11b713 1806 ($$)->u._enum.container_type = $2;
0fbb34a5 1807 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1808 }
8b9d5b5e 1809 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1810 {
1811 $$ = make_node(scanner, NODE_ENUM);
add40b62 1812 $$->u._enum.has_body = 1;
6dc474b8 1813 $$->u._enum.enum_id = $1->s;
48a01768 1814 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1815 }
0fbb34a5 1816 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1817 {
1818 $$ = make_node(scanner, NODE_ENUM);
add40b62 1819 $$->u._enum.has_body = 1;
6dc474b8 1820 $$->u._enum.enum_id = $1->s;
3e11b713 1821 ($$)->u._enum.container_type = $3;
0fbb34a5 1822 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1823 }
8b9d5b5e 1824 | IDENTIFIER
6dc474b8
MD		 1825 {
1826 $$ = make_node(scanner, NODE_ENUM);
add40b62 1827 $$->u._enum.has_body = 0;
6dc474b8
MD		 1828 $$->u._enum.enum_id = $1->s;
1829 }
8b9d5b5e 1830 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1831 {
1832 $$ = make_node(scanner, NODE_ENUM);
add40b62 1833 $$->u._enum.has_body = 1;
6dc474b8 1834 $$->u._enum.enum_id = $1->s;
48a01768 1835 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1836 }
0fbb34a5 1837 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1838 {
1839 $$ = make_node(scanner, NODE_ENUM);
add40b62 1840 $$->u._enum.has_body = 1;
6dc474b8 1841 $$->u._enum.enum_id = $1->s;
3e11b713 1842 ($$)->u._enum.container_type = $3;
0fbb34a5 1843 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1844 }
8b9d5b5e 1845 | ID_TYPE
6dc474b8
MD		 1846 {
1847 $$ = make_node(scanner, NODE_ENUM);
add40b62 1848 $$->u._enum.has_body = 0;
6dc474b8
MD		 1849 $$->u._enum.enum_id = $1->s;
1850 }
8b9d5b5e
MD		 1851 ;
1852
1853struct_or_variant_declaration_list:
1854 /* empty */
6dc474b8 1855 { $$ = NULL; }
8b9d5b5e 1856 | struct_or_variant_declaration_list struct_or_variant_declaration
6dc474b8
MD		 1857 {
1858 if ($1) {
1859 $$ = $1;
48a01768 1860 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1861 } else {
1862 $$ = $2;
48a01768 1863 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1864 }
1865 }
8b9d5b5e
MD		 1866 ;
1867
1868struct_or_variant_declaration:
1ee8e81d 1869 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
6dc474b8 1870 {
3e11b713
MD		 1871 struct ctf_node *list;
1872
1873 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1874 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1875 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
3e11b713 1876 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1877 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
6dc474b8 1878 }
1ee8e81d 1879 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1880 {
3e11b713
MD		 1881 struct ctf_node *list;
1882
6dc474b8 1883 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1884 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1885 $$->u._typedef.type_specifier_list = list;
1886 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1887 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1888 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1889 }
1ee8e81d 1890 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1891 {
3e11b713
MD		 1892 struct ctf_node *list;
1893
6dc474b8 1894 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1895 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1896 $$->u._typedef.type_specifier_list = list;
1897 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1898 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1899 }
1ee8e81d 1900 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1901 {
3e11b713
MD		 1902 struct ctf_node *list;
1903
1904 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1905 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1906 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 1907 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1908 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1909 }
a030d084 1910 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1911 {
3e11b713
MD		 1912 struct ctf_node *list;
1913
6dc474b8
MD		 1914 $$ = make_node(scanner, NODE_TYPEALIAS);
1915 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1916 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1917
1918 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1919 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1920 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1921 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1922
1923 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1924 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1925 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1926 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1927 }
8b9d5b5e
MD		 1928 ;
1929
1ee8e81d 1930alias_declaration_specifiers:
8b9d5b5e 1931 CONST
6dc474b8 1932 {
3e11b713
MD		 1933 struct ctf_node *node;
1934
1935 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1936 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1937 node->u.type_specifier.type = TYPESPEC_CONST;
1938 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1939 }
8b9d5b5e 1940 | type_specifier
3e11b713
MD		 1941 {
1942 struct ctf_node *node;
1943
1944 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1945 node = $1;
1946 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1947 }
1ee8e81d
MD		 1948 | IDENTIFIER
1949 {
3e11b713
MD		 1950 struct ctf_node *node;
1951
1ee8e81d 1952 add_type(scanner, $1);
3e11b713
MD		 1953 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1954 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1955 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1956 node->u.type_specifier.id_type = yylval.gs->s;
1957 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d
MD		 1958 }
1959 | alias_declaration_specifiers CONST
6dc474b8
MD		 1960 {
1961 struct ctf_node *node;
1962
1963 $$ = $1;
1964 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1965 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1966 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1967 }
1ee8e81d 1968 | alias_declaration_specifiers type_specifier
6dc474b8
MD		 1969 {
1970 $$ = $1;
3e11b713 1971 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1972 }
1ee8e81d
MD		 1973 | alias_declaration_specifiers IDENTIFIER
1974 {
1975 struct ctf_node *node;
1976
1977 add_type(scanner, $2);
1978 $$ = $1;
1979 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1980 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1981 node->u.type_specifier.id_type = yylval.gs->s;
3e11b713 1982 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d 1983 }
8b9d5b5e
MD		 1984 ;
1985
1986struct_or_variant_declarator_list:
1987 struct_or_variant_declarator
0009a725 1988 { $$ = $1; }
8b9d5b5e 1989 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
6dc474b8
MD		 1990 {
1991 $$ = $1;
48a01768 1992 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1993 }
8b9d5b5e
MD		 1994 ;
1995
1996struct_or_variant_declarator:
1997 declarator
6dc474b8 1998 { $$ = $1; }
8b9d5b5e 1999 | COLON unary_expression
6dc474b8 2000 { $$ = $2; }
8b9d5b5e 2001 | declarator COLON unary_expression
6dc474b8
MD		 2002 {
2003 $$ = $1;
48a01768 2004 if (set_parent_node($3, $1))
6dc474b8
MD		 2005 reparent_error(scanner, "struct_or_variant_declarator");
2006 }
8b9d5b5e
MD		 2007 ;
2008
2009enumerator_list:
2010 enumerator
0009a725 2011 { $$ = $1; }
8b9d5b5e 2012 | enumerator_list COMMA enumerator
6dc474b8
MD		 2013 {
2014 $$ = $1;
48a01768 2015 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 2016 }
8b9d5b5e
MD		 2017 ;
2018
2019enumerator:
2020 IDENTIFIER
6dc474b8
MD		 2021 {
2022 $$ = make_node(scanner, NODE_ENUMERATOR);
2023 $$->u.enumerator.id = $1->s;
2024 }
8b9d5b5e 2025 | ID_TYPE
6dc474b8
MD		 2026 {
2027 $$ = make_node(scanner, NODE_ENUMERATOR);
2028 $$->u.enumerator.id = $1->s;
2029 }
8b9d5b5e 2030 | keywords
6dc474b8
MD		 2031 {
2032 $$ = make_node(scanner, NODE_ENUMERATOR);
2033 $$->u.enumerator.id = $1->s;
2034 }
8b9d5b5e 2035 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 2036 {
2037 $$ = make_node(scanner, NODE_ENUMERATOR);
2038 $$->u.enumerator.id = "";
2039 }
8b9d5b5e 2040 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 2041 {
2042 $$ = make_node(scanner, NODE_ENUMERATOR);
2043 $$->u.enumerator.id = $2->s;
2044 }
8b9d5b5e 2045 | IDENTIFIER EQUAL unary_expression_or_range
6dc474b8
MD		 2046 {
2047 $$ = make_node(scanner, NODE_ENUMERATOR);
2048 $$->u.enumerator.id = $1->s;
48a01768 2049 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2050 }
8b9d5b5e 2051 | ID_TYPE EQUAL unary_expression_or_range
6dc474b8
MD		 2052 {
2053 $$ = make_node(scanner, NODE_ENUMERATOR);
2054 $$->u.enumerator.id = $1->s;
48a01768 2055 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2056 }
8b9d5b5e 2057 | keywords EQUAL unary_expression_or_range
6dc474b8
MD		 2058 {
2059 $$ = make_node(scanner, NODE_ENUMERATOR);
2060 $$->u.enumerator.id = $1->s;
48a01768 2061 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2062 }
8b9d5b5e 2063 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 2064 {
2065 $$ = make_node(scanner, NODE_ENUMERATOR);
2066 $$->u.enumerator.id = "";
48a01768 2067 cds_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2068 }
8b9d5b5e 2069 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 2070 {
2071 $$ = make_node(scanner, NODE_ENUMERATOR);
2072 $$->u.enumerator.id = $2->s;
48a01768 2073 cds_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2074 }
8b9d5b5e
MD		 2075 ;
2076
2077abstract_declarator_list:
2078 abstract_declarator
0009a725 2079 { $$ = $1; }
8b9d5b5e 2080 | abstract_declarator_list COMMA abstract_declarator
6dc474b8
MD		 2081 {
2082 $$ = $1;
48a01768 2083 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 2084 }
8b9d5b5e
MD		 2085 ;
2086
2087abstract_declarator:
2088 direct_abstract_declarator
6dc474b8 2089 { $$ = $1; }
8b9d5b5e 2090 | pointer direct_abstract_declarator
6dc474b8
MD		 2091 {
2092 $$ = $2;
48a01768 2093 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2094 }
8b9d5b5e
MD		 2095 ;
2096
2097direct_abstract_declarator:
2098 /* empty */
6dc474b8
MD		 2099 {
2100 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2101 $$->u.type_declarator.type = TYPEDEC_ID;
2102 /* id is NULL */
2103 }
8b9d5b5e 2104 | IDENTIFIER
6dc474b8
MD		 2105 {
2106 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2107 $$->u.type_declarator.type = TYPEDEC_ID;
2108 $$->u.type_declarator.u.id = $1->s;
2109 }
8b9d5b5e 2110 | LPAREN abstract_declarator RPAREN
6dc474b8
MD		 2111 {
2112 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2113 $$->u.type_declarator.type = TYPEDEC_NESTED;
2114 $$->u.type_declarator.u.nested.type_declarator = $2;
2115 }
7d4192cb 2116 | direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2117 {
2118 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2119 $$->u.type_declarator.type = TYPEDEC_NESTED;
2120 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2121 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2122 }
8b9d5b5e 2123 | direct_abstract_declarator LSBRAC RSBRAC
6dc474b8
MD		 2124 {
2125 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2126 $$->u.type_declarator.type = TYPEDEC_NESTED;
2127 $$->u.type_declarator.u.nested.type_declarator = $1;
2128 $$->u.type_declarator.u.nested.abstract_array = 1;
2129 }
8b9d5b5e
MD		 2130 ;
2131
e0c14875
MD		 2132alias_abstract_declarator_list:
2133 alias_abstract_declarator
6dc474b8 2134 { $$ = $1; }
e0c14875
MD		 2135 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2136 {
2137 $$ = $1;
2138 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2139 }
2140 ;
2141
2142alias_abstract_declarator:
2143 direct_alias_abstract_declarator
2144 { $$ = $1; }
2145 | pointer direct_alias_abstract_declarator
6dc474b8
MD		 2146 {
2147 $$ = $2;
48a01768 2148 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2149 }
8b9d5b5e
MD		 2150 ;
2151
e0c14875
MD		 2152direct_alias_abstract_declarator:
2153 /* empty */
6dc474b8
MD		 2154 {
2155 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
e0c14875
MD		 2156 $$->u.type_declarator.type = TYPEDEC_ID;
2157 /* id is NULL */
6dc474b8 2158 }
e0c14875 2159 | LPAREN alias_abstract_declarator RPAREN
6dc474b8
MD		 2160 {
2161 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2162 $$->u.type_declarator.type = TYPEDEC_NESTED;
2163 $$->u.type_declarator.u.nested.type_declarator = $2;
2164 }
7d4192cb 2165 | direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2166 {
2167 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2168 $$->u.type_declarator.type = TYPEDEC_NESTED;
2169 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2170 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2171 }
e0c14875
MD		 2172 | direct_alias_abstract_declarator LSBRAC RSBRAC
2173 {
2174 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2175 $$->u.type_declarator.type = TYPEDEC_NESTED;
2176 $$->u.type_declarator.u.nested.type_declarator = $1;
2177 $$->u.type_declarator.u.nested.abstract_array = 1;
2178 }
8b9d5b5e
MD		 2179 ;
2180
e0c14875
MD		 2181declarator:
2182 direct_declarator
6dc474b8 2183 { $$ = $1; }
e0c14875 2184 | pointer direct_declarator
6dc474b8
MD		 2185 {
2186 $$ = $2;
48a01768 2187 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2188 }
8b9d5b5e
MD		 2189 ;
2190
e0c14875 2191direct_declarator:
8b9d5b5e 2192 IDENTIFIER
6dc474b8 2193 {
6dc474b8
MD		 2194 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2195 $$->u.type_declarator.type = TYPEDEC_ID;
2196 $$->u.type_declarator.u.id = $1->s;
2197 }
e0c14875 2198 | LPAREN declarator RPAREN
6dc474b8
MD		 2199 {
2200 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2201 $$->u.type_declarator.type = TYPEDEC_NESTED;
2202 $$->u.type_declarator.u.nested.type_declarator = $2;
2203 }
7d4192cb 2204 | direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2205 {
2206 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2207 $$->u.type_declarator.type = TYPEDEC_NESTED;
2208 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2209 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2210 }
8b9d5b5e
MD		 2211 ;
2212
e0c14875
MD		 2213type_declarator:
2214 direct_type_declarator
6dc474b8 2215 { $$ = $1; }
e0c14875 2216 | pointer direct_type_declarator
6dc474b8
MD		 2217 {
2218 $$ = $2;
48a01768 2219 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2220 }
8b9d5b5e
MD		 2221 ;
2222
e0c14875
MD		 2223direct_type_declarator:
2224 IDENTIFIER
6dc474b8
MD		 2225 {
2226 add_type(scanner, $1);
2227 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2228 $$->u.type_declarator.type = TYPEDEC_ID;
2229 $$->u.type_declarator.u.id = $1->s;
2230 }
e0c14875 2231 | LPAREN type_declarator RPAREN
6dc474b8
MD		 2232 {
2233 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2234 $$->u.type_declarator.type = TYPEDEC_NESTED;
2235 $$->u.type_declarator.u.nested.type_declarator = $2;
2236 }
7d4192cb 2237 | direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2238 {
2239 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2240 $$->u.type_declarator.type = TYPEDEC_NESTED;
2241 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2242 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2243 }
8b9d5b5e
MD		 2244 ;
2245
2246pointer:
2247 STAR
48a01768
MD		 2248 {
2249 $$ = make_node(scanner, NODE_POINTER);
48a01768 2250 }
8b9d5b5e 2251 | STAR pointer
6dc474b8
MD		 2252 {
2253 $$ = make_node(scanner, NODE_POINTER);
48a01768 2254 cds_list_splice(&($2)->tmp_head, &($$)->tmp_head);
6dc474b8 2255 }
8b9d5b5e 2256 | STAR type_qualifier_list pointer
6dc474b8
MD		 2257 {
2258 $$ = make_node(scanner, NODE_POINTER);
2259 $$->u.pointer.const_qualifier = 1;
48a01768 2260 cds_list_splice(&($3)->tmp_head, &($$)->tmp_head);
6dc474b8 2261 }
8b9d5b5e
MD		 2262 ;
2263
2264type_qualifier_list:
6dc474b8 2265 /* pointer assumes only const type qualifier */
8b9d5b5e
MD		 2266 CONST
2267 | type_qualifier_list CONST
2268 ;
2269
2270/* 2.3: CTF-specific declarations */
2271
2272ctf_assignment_expression_list:
2273 ctf_assignment_expression SEMICOLON
0009a725 2274 { $$ = $1; }
8b9d5b5e 2275 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
6dc474b8
MD		 2276 {
2277 $$ = $1;
48a01768 2278 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8 2279 }
8b9d5b5e
MD		 2280 ;
2281
2282ctf_assignment_expression:
2283 unary_expression EQUAL unary_expression
02b234c4 2284 {
6dc474b8
MD		 2285 /*
2286 * Because we have left and right, cannot use
48a01768 2287 * set_parent_node.
6dc474b8 2288 */
02b234c4 2289 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2290 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2291 if ($1->u.unary_expression.type != UNARY_STRING)
2292 reparent_error(scanner, "ctf_assignment_expression left expects string");
48a01768 2293 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
02b234c4 2294 }
427c09b7 2295 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
6dc474b8
MD		 2296 {
2297 /*
2298 * Because we have left and right, cannot use
48a01768 2299 * set_parent_node.
6dc474b8
MD		 2300 */
2301 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2302 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2303 if ($1->u.unary_expression.type != UNARY_STRING)
2304 reparent_error(scanner, "ctf_assignment_expression left expects string");
427c09b7 2305 cds_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
6dc474b8 2306 }
8b9d5b5e 2307 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2308 {
3e11b713
MD		 2309 struct ctf_node *list;
2310
2311 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2312 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2313 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2314 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2315 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2316 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2317 }
8b9d5b5e 2318 | TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2319 {
3e11b713
MD		 2320 struct ctf_node *list;
2321
6dc474b8 2322 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 2323 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2324 $$->u._typedef.type_specifier_list = list;
2325 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2326 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2327 }
8b9d5b5e 2328 | declaration_specifiers TYPEDEF type_declarator_list
6dc474b8 2329 {
3e11b713
MD		 2330 struct ctf_node *list;
2331
2332 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2333 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2334 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2335 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2336 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2337 }
a030d084 2338 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
6dc474b8 2339 {
3e11b713
MD		 2340 struct ctf_node *list;
2341
6dc474b8
MD		 2342 $$ = make_node(scanner, NODE_TYPEALIAS);
2343 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2344 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 2345
2346 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2347 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2348 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2349 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 2350
2351 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2352 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2353 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2354 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 2355 }
8b9d5b5e 2356 ;
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