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Fix major -> minor typo in tests
[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>
34d3acc4 29#include "ctf-scanner.h"
8b9d5b5e
MD		 30#include "ctf-parser.h"
31#include "ctf-ast.h"
32
05628561
MD		 33/*
34 * TODO: support enum, variant and struct declarations in scopes.
35 */
36
48a01768
MD		 37/* Join two lists, put "add" at the end of "head". */
38static inline void
39_cds_list_splice_tail (struct cds_list_head *add, struct cds_list_head *head)
40{
41 /* Do nothing if the list which gets added is empty. */
42 if (add != add->next) {
43 add->next->prev = head->prev;
44 add->prev->next = head;
45 head->prev->next = add->next;
46 head->prev = add->prev;
47 }
48}
49
8e1a0b6f 50#define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, ## args)
8b9d5b5e 51
34d3acc4
MD		 52int yyparse(struct ctf_scanner *scanner);
53int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
54int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
55int yylex_destroy(yyscan_t yyscanner) ;
56void yyset_in(FILE * in_str, yyscan_t scanner);
8b9d5b5e 57
8b9d5b5e
MD		 58int yydebug;
59
8b9d5b5e
MD		 60struct gc_string {
61 struct cds_list_head gc;
6dc474b8 62 size_t alloclen;
8b9d5b5e
MD		 63 char s[];
64};
65
34f7b02c
MD		 66static const char *node_type_to_str[] = {
67 [ NODE_UNKNOWN ] = "NODE_UNKNOWN",
68 [ NODE_ROOT ] = "NODE_ROOT",
69 [ NODE_EVENT ] = "NODE_EVENT",
70 [ NODE_STREAM ] = "NODE_STREAM",
71 [ NODE_TRACE ] = "NODE_TRACE",
72 [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
73 [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
74 [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
75 [ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
76 [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
77 [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
78 [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
3e11b713 79 [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
34f7b02c
MD		 80 [ NODE_POINTER ] = "NODE_POINTER",
81 [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
82 [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
83 [ NODE_INTEGER ] = "NODE_INTEGER",
84 [ NODE_STRING ] = "NODE_STRING",
85 [ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
86 [ NODE_ENUM ] = "NODE_ENUM",
87 [ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
88 [ NODE_VARIANT ] = "NODE_VARIANT",
89 [ NODE_STRUCT ] = "NODE_STRUCT",
90};
91
92const char *node_type(struct ctf_node *node)
93{
94 if (node->type < NR_NODE_TYPES)
95 return node_type_to_str[node->type];
96 else
97 return NULL;
98}
99
6dc474b8
MD		 100static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
101 size_t len)
8b9d5b5e 102{
6dc474b8
MD		 103 struct gc_string *gstr;
104 size_t alloclen;
8b9d5b5e 105
6dc474b8
MD		 106 /* TODO: could be faster with find first bit or glib Gstring */
107 /* sizeof long to account for malloc header (int or long ?) */
108 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
109 alloclen *= 2);
110
111 gstr = malloc(alloclen);
112 cds_list_add(&gstr->gc, &scanner->allocated_strings);
113 gstr->alloclen = alloclen;
114 return gstr;
8b9d5b5e
MD		 115}
116
6dc474b8
MD		 117/*
118 * note: never use gc_string_append on a string that has external references.
119 * gsrc will be garbage collected immediately, and gstr might be.
120 * Should only be used to append characters to a string literal or constant.
121 */
122struct gc_string *gc_string_append(struct ctf_scanner *scanner,
123 struct gc_string *gstr,
124 struct gc_string *gsrc)
8b9d5b5e 125{
6dc474b8
MD		 126 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
127 size_t alloclen;
8b9d5b5e 128
6dc474b8
MD		 129 /* TODO: could be faster with find first bit or glib Gstring */
130 /* sizeof long to account for malloc header (int or long ?) */
131 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
132 alloclen *= 2);
133
134 if (alloclen > gstr->alloclen) {
135 struct gc_string *newgstr;
136
137 newgstr = gc_string_alloc(scanner, newlen);
138 strcpy(newgstr->s, gstr->s);
139 strcat(newgstr->s, gsrc->s);
140 cds_list_del(&gstr->gc);
141 free(gstr);
142 gstr = newgstr;
143 } else {
144 strcat(gstr->s, gsrc->s);
145 }
146 cds_list_del(&gsrc->gc);
147 free(gsrc);
8b9d5b5e
MD		 148 return gstr;
149}
150
34d3acc4 151void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
8b9d5b5e 152{
34d3acc4
MD		 153 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
154 strcpy(lvalp->gs->s, src);
8b9d5b5e
MD		 155}
156
609bd1bf
MD		 157static void init_scope(struct ctf_scanner_scope *scope,
158 struct ctf_scanner_scope *parent)
8b9d5b5e
MD		 159{
160 scope->parent = parent;
161 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
6dc474b8 162 NULL, NULL);
8b9d5b5e
MD		 163}
164
609bd1bf 165static void finalize_scope(struct ctf_scanner_scope *scope)
8b9d5b5e
MD		 166{
167 g_hash_table_destroy(scope->types);
168}
169
34d3acc4 170static void push_scope(struct ctf_scanner *scanner)
8b9d5b5e 171{
609bd1bf 172 struct ctf_scanner_scope *ns;
8b9d5b5e 173
8e1a0b6f 174 printf_dbg("push scope\n");
609bd1bf 175 ns = malloc(sizeof(struct ctf_scanner_scope));
34d3acc4
MD		 176 init_scope(ns, scanner->cs);
177 scanner->cs = ns;
8b9d5b5e
MD		 178}
179
34d3acc4 180static void pop_scope(struct ctf_scanner *scanner)
8b9d5b5e 181{
609bd1bf 182 struct ctf_scanner_scope *os;
8b9d5b5e 183
8e1a0b6f 184 printf_dbg("pop scope\n");
34d3acc4
MD		 185 os = scanner->cs;
186 scanner->cs = os->parent;
8b9d5b5e
MD		 187 finalize_scope(os);
188 free(os);
189}
190
609bd1bf 191static int lookup_type(struct ctf_scanner_scope *s, const char *id)
8b9d5b5e
MD		 192{
193 int ret;
194
380d60b1 195 ret = (int) (long) g_hash_table_lookup(s->types, id);
8b9d5b5e
MD		 196 printf_dbg("lookup %p %s %d\n", s, id, ret);
197 return ret;
198}
199
34d3acc4 200int is_type(struct ctf_scanner *scanner, const char *id)
8b9d5b5e 201{
609bd1bf 202 struct ctf_scanner_scope *it;
8b9d5b5e
MD		 203 int ret = 0;
204
34d3acc4 205 for (it = scanner->cs; it != NULL; it = it->parent) {
8b9d5b5e
MD		 206 if (lookup_type(it, id)) {
207 ret = 1;
208 break;
209 }
210 }
211 printf_dbg("is type %s %d\n", id, ret);
212 return ret;
213}
214
6dc474b8 215static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
8b9d5b5e 216{
6dc474b8
MD		 217 printf_dbg("add type %s\n", id->s);
218 if (lookup_type(scanner->cs, id->s))
8b9d5b5e 219 return;
6dc474b8 220 g_hash_table_insert(scanner->cs->types, id->s, id->s);
8b9d5b5e
MD		 221}
222
02b234c4
MD		 223static struct ctf_node *make_node(struct ctf_scanner *scanner,
224 enum node_type type)
225{
226 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
227 struct ctf_node *node;
228
229 node = malloc(sizeof(*node));
230 if (!node)
231 return NULL;
232 memset(node, 0, sizeof(*node));
233 node->type = type;
48a01768 234 CDS_INIT_LIST_HEAD(&node->tmp_head);
02b234c4 235 cds_list_add(&node->gc, &ast->allocated_nodes);
0009a725 236 cds_list_add(&node->siblings, &node->tmp_head);
02b234c4
MD		 237
238 switch (type) {
239 case NODE_ROOT:
240 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
241 break;
242
243 case NODE_EVENT:
6dc474b8 244 CDS_INIT_LIST_HEAD(&node->u.event.declaration_list);
02b234c4
MD		 245 break;
246 case NODE_STREAM:
6dc474b8 247 CDS_INIT_LIST_HEAD(&node->u.stream.declaration_list);
02b234c4
MD		 248 break;
249 case NODE_TRACE:
6dc474b8 250 CDS_INIT_LIST_HEAD(&node->u.trace.declaration_list);
02b234c4
MD		 251 break;
252
253 case NODE_CTF_EXPRESSION:
48a01768
MD		 254 CDS_INIT_LIST_HEAD(&node->u.ctf_expression.left);
255 CDS_INIT_LIST_HEAD(&node->u.ctf_expression.right);
02b234c4 256 break;
6dc474b8
MD		 257 case NODE_UNARY_EXPRESSION:
258 break;
02b234c4
MD		 259
260 case NODE_TYPEDEF:
261 CDS_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
262 break;
263 case NODE_TYPEALIAS_TARGET:
264 CDS_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
265 break;
266 case NODE_TYPEALIAS_ALIAS:
267 CDS_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
268 break;
269 case NODE_TYPEALIAS:
270 break;
271
272 case NODE_TYPE_SPECIFIER:
273 break;
3e11b713
MD		 274 case NODE_TYPE_SPECIFIER_LIST:
275 CDS_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
276 break;
02b234c4
MD		 277 case NODE_POINTER:
278 break;
279 case NODE_TYPE_DECLARATOR:
280 CDS_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
281 break;
282
283 case NODE_FLOATING_POINT:
284 CDS_INIT_LIST_HEAD(&node->u.floating_point.expressions);
285 break;
286 case NODE_INTEGER:
287 CDS_INIT_LIST_HEAD(&node->u.integer.expressions);
288 break;
289 case NODE_STRING:
290 CDS_INIT_LIST_HEAD(&node->u.string.expressions);
291 break;
292 case NODE_ENUMERATOR:
48a01768 293 CDS_INIT_LIST_HEAD(&node->u.enumerator.values);
02b234c4
MD		 294 break;
295 case NODE_ENUM:
296 CDS_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
297 break;
298 case NODE_STRUCT_OR_VARIANT_DECLARATION:
299 CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
300 break;
301 case NODE_VARIANT:
02b234c4
MD		 302 CDS_INIT_LIST_HEAD(&node->u.variant.declaration_list);
303 break;
304 case NODE_STRUCT:
02b234c4
MD		 305 CDS_INIT_LIST_HEAD(&node->u._struct.declaration_list);
306 break;
307
308 case NODE_UNKNOWN:
309 default:
310 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
311 (int) type);
312 break;
313 }
314
315 return node;
316}
317
318static int reparent_ctf_expression(struct ctf_node *node,
319 struct ctf_node *parent)
320{
321 switch (parent->type) {
322 case NODE_EVENT:
48a01768 323 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
02b234c4
MD		 324 break;
325 case NODE_STREAM:
48a01768 326 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
02b234c4
MD		 327 break;
328 case NODE_TRACE:
48a01768 329 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
02b234c4
MD		 330 break;
331 case NODE_FLOATING_POINT:
48a01768 332 _cds_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
02b234c4
MD		 333 break;
334 case NODE_INTEGER:
48a01768 335 _cds_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
02b234c4
MD		 336 break;
337 case NODE_STRING:
48a01768 338 _cds_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
02b234c4
MD		 339 break;
340
341 case NODE_ROOT:
342 case NODE_CTF_EXPRESSION:
343 case NODE_TYPEDEF:
344 case NODE_TYPEALIAS_TARGET:
345 case NODE_TYPEALIAS_ALIAS:
346 case NODE_TYPEALIAS:
347 case NODE_TYPE_SPECIFIER:
3e11b713 348 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 349 case NODE_POINTER:
350 case NODE_TYPE_DECLARATOR:
351 case NODE_ENUMERATOR:
352 case NODE_ENUM:
353 case NODE_STRUCT_OR_VARIANT_DECLARATION:
354 case NODE_VARIANT:
355 case NODE_STRUCT:
6dc474b8 356 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 357 return -EPERM;
358
359 case NODE_UNKNOWN:
360 default:
361 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
362 (int) parent->type);
363 return -EINVAL;
364 }
365 return 0;
366}
367
368static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
369{
370 switch (parent->type) {
371 case NODE_ROOT:
3e11b713 372 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
02b234c4
MD		 373 break;
374 case NODE_EVENT:
48a01768 375 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
02b234c4
MD		 376 break;
377 case NODE_STREAM:
48a01768 378 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
02b234c4
MD		 379 break;
380 case NODE_TRACE:
48a01768 381 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
02b234c4
MD		 382 break;
383 case NODE_VARIANT:
48a01768 384 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
02b234c4
MD		 385 break;
386 case NODE_STRUCT:
48a01768 387 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
02b234c4
MD		 388 break;
389
390 case NODE_FLOATING_POINT:
391 case NODE_INTEGER:
392 case NODE_STRING:
393 case NODE_CTF_EXPRESSION:
394 case NODE_TYPEDEF:
395 case NODE_TYPEALIAS_TARGET:
396 case NODE_TYPEALIAS_ALIAS:
397 case NODE_TYPEALIAS:
398 case NODE_TYPE_SPECIFIER:
3e11b713 399 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 400 case NODE_POINTER:
401 case NODE_TYPE_DECLARATOR:
402 case NODE_ENUMERATOR:
403 case NODE_ENUM:
404 case NODE_STRUCT_OR_VARIANT_DECLARATION:
6dc474b8 405 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 406 return -EPERM;
407
408 case NODE_UNKNOWN:
409 default:
410 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
411 (int) parent->type);
412 return -EINVAL;
413 }
414 return 0;
415}
416
417static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
418{
419 switch (parent->type) {
420 case NODE_ROOT:
3e11b713 421 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
02b234c4
MD		 422 break;
423 case NODE_EVENT:
48a01768 424 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
02b234c4
MD		 425 break;
426 case NODE_STREAM:
48a01768 427 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
02b234c4
MD		 428 break;
429 case NODE_TRACE:
48a01768 430 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
02b234c4
MD		 431 break;
432 case NODE_VARIANT:
48a01768 433 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
02b234c4
MD		 434 break;
435 case NODE_STRUCT:
48a01768 436 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
02b234c4
MD		 437 break;
438
439 case NODE_FLOATING_POINT:
440 case NODE_INTEGER:
441 case NODE_STRING:
442 case NODE_CTF_EXPRESSION:
443 case NODE_TYPEDEF:
444 case NODE_TYPEALIAS_TARGET:
445 case NODE_TYPEALIAS_ALIAS:
446 case NODE_TYPEALIAS:
447 case NODE_TYPE_SPECIFIER:
3e11b713 448 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 449 case NODE_POINTER:
450 case NODE_TYPE_DECLARATOR:
451 case NODE_ENUMERATOR:
452 case NODE_ENUM:
453 case NODE_STRUCT_OR_VARIANT_DECLARATION:
6dc474b8 454 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 455 return -EPERM;
456
457 case NODE_UNKNOWN:
458 default:
459 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
460 (int) parent->type);
461 return -EINVAL;
462 }
463 return 0;
464}
465
6dc474b8
MD		 466static int reparent_type_specifier(struct ctf_node *node,
467 struct ctf_node *parent)
3e11b713
MD		 468{
469 switch (parent->type) {
470 case NODE_TYPE_SPECIFIER_LIST:
471 _cds_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
472 break;
473
474 case NODE_TYPE_SPECIFIER:
475 case NODE_EVENT:
476 case NODE_STREAM:
477 case NODE_TRACE:
478 case NODE_VARIANT:
479 case NODE_STRUCT:
480 case NODE_TYPEDEF:
481 case NODE_TYPEALIAS_TARGET:
482 case NODE_TYPEALIAS_ALIAS:
483 case NODE_TYPE_DECLARATOR:
484 case NODE_ENUM:
485 case NODE_STRUCT_OR_VARIANT_DECLARATION:
486 case NODE_TYPEALIAS:
487 case NODE_FLOATING_POINT:
488 case NODE_INTEGER:
489 case NODE_STRING:
490 case NODE_CTF_EXPRESSION:
491 case NODE_POINTER:
492 case NODE_ENUMERATOR:
493 case NODE_UNARY_EXPRESSION:
494 return -EPERM;
495
496 case NODE_UNKNOWN:
497 default:
498 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
499 (int) parent->type);
500 return -EINVAL;
501 }
502 return 0;
503}
504
505static int reparent_type_specifier_list(struct ctf_node *node,
506 struct ctf_node *parent)
02b234c4
MD		 507{
508 switch (parent->type) {
509 case NODE_ROOT:
3e11b713 510 cds_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
02b234c4
MD		 511 break;
512 case NODE_EVENT:
3e11b713 513 cds_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
02b234c4
MD		 514 break;
515 case NODE_STREAM:
3e11b713 516 cds_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
02b234c4
MD		 517 break;
518 case NODE_TRACE:
3e11b713 519 cds_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
02b234c4
MD		 520 break;
521 case NODE_VARIANT:
3e11b713 522 cds_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
02b234c4
MD		 523 break;
524 case NODE_STRUCT:
3e11b713 525 cds_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
02b234c4
MD		 526 break;
527 case NODE_TYPEDEF:
3e11b713 528 parent->u._typedef.type_specifier_list = node;
02b234c4
MD		 529 break;
530 case NODE_TYPEALIAS_TARGET:
3e11b713 531 parent->u.typealias_target.type_specifier_list = node;
02b234c4
MD		 532 break;
533 case NODE_TYPEALIAS_ALIAS:
3e11b713 534 parent->u.typealias_alias.type_specifier_list = node;
02b234c4
MD		 535 break;
536 case NODE_TYPE_DECLARATOR:
537 parent->u.type_declarator.type = TYPEDEC_NESTED;
3e11b713 538 parent->u.type_declarator.u.nested.length = node;
02b234c4
MD		 539 break;
540 case NODE_ENUM:
3e11b713 541 parent->u._enum.container_type = node;
02b234c4
MD		 542 break;
543 case NODE_STRUCT_OR_VARIANT_DECLARATION:
3e11b713 544 parent->u.struct_or_variant_declaration.type_specifier_list = node;
02b234c4 545 break;
3e11b713 546 case NODE_TYPE_SPECIFIER:
02b234c4
MD		 547 case NODE_TYPEALIAS:
548 case NODE_FLOATING_POINT:
549 case NODE_INTEGER:
550 case NODE_STRING:
551 case NODE_CTF_EXPRESSION:
02b234c4
MD		 552 case NODE_POINTER:
553 case NODE_ENUMERATOR:
6dc474b8 554 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 555 return -EPERM;
556
557 case NODE_UNKNOWN:
558 default:
559 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
560 (int) parent->type);
561 return -EINVAL;
562 }
563 return 0;
564}
565
566static int reparent_type_declarator(struct ctf_node *node,
567 struct ctf_node *parent)
568{
569 switch (parent->type) {
570 case NODE_TYPE_DECLARATOR:
571 parent->u.type_declarator.type = TYPEDEC_NESTED;
572 parent->u.type_declarator.u.nested.type_declarator = node;
573 break;
574 case NODE_STRUCT_OR_VARIANT_DECLARATION:
48a01768 575 _cds_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
02b234c4
MD		 576 break;
577 case NODE_TYPEDEF:
48a01768 578 _cds_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
02b234c4
MD		 579 break;
580 case NODE_TYPEALIAS_TARGET:
48a01768 581 _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
02b234c4
MD		 582 break;
583 case NODE_TYPEALIAS_ALIAS:
48a01768 584 _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_declarators);
02b234c4
MD		 585 break;
586
587 case NODE_ROOT:
588 case NODE_EVENT:
589 case NODE_STREAM:
590 case NODE_TRACE:
591 case NODE_VARIANT:
592 case NODE_STRUCT:
593 case NODE_TYPEALIAS:
594 case NODE_ENUM:
595 case NODE_FLOATING_POINT:
596 case NODE_INTEGER:
597 case NODE_STRING:
598 case NODE_CTF_EXPRESSION:
599 case NODE_TYPE_SPECIFIER:
3e11b713 600 case NODE_TYPE_SPECIFIER_LIST:
02b234c4
MD		 601 case NODE_POINTER:
602 case NODE_ENUMERATOR:
6dc474b8 603 case NODE_UNARY_EXPRESSION:
02b234c4
MD		 604 return -EPERM;
605
606 case NODE_UNKNOWN:
607 default:
608 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
609 (int) parent->type);
610 return -EINVAL;
611 }
612 return 0;
613}
614
615/*
48a01768 616 * set_parent_node
02b234c4 617 *
48a01768
MD		 618 * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
619 * create the link declared by the input, -ENOENT if node or parent is NULL,
620 * -EINVAL if there is an internal structure problem.
02b234c4 621 */
48a01768 622static int set_parent_node(struct ctf_node *node,
02b234c4
MD		 623 struct ctf_node *parent)
624{
625 if (!node || !parent)
626 return -ENOENT;
627
6dc474b8 628 /* Note: Linking to parent will be done only by an external visitor */
02b234c4
MD		 629
630 switch (node->type) {
631 case NODE_ROOT:
632 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
633 return -EINVAL;
634
635 case NODE_EVENT:
48a01768
MD		 636 if (parent->type == NODE_ROOT) {
637 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.event);
3e11b713 638 } else {
02b234c4 639 return -EPERM;
3e11b713 640 }
02b234c4
MD		 641 break;
642 case NODE_STREAM:
48a01768
MD		 643 if (parent->type == NODE_ROOT) {
644 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
3e11b713 645 } else {
02b234c4 646 return -EPERM;
3e11b713 647 }
02b234c4
MD		 648 break;
649 case NODE_TRACE:
48a01768
MD		 650 if (parent->type == NODE_ROOT) {
651 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
3e11b713 652 } else {
02b234c4 653 return -EPERM;
3e11b713 654 }
02b234c4
MD		 655 break;
656
657 case NODE_CTF_EXPRESSION:
658 return reparent_ctf_expression(node, parent);
6dc474b8
MD		 659 case NODE_UNARY_EXPRESSION:
660 if (parent->type == NODE_TYPE_DECLARATOR)
661 parent->u.type_declarator.bitfield_len = node;
662 else
663 return -EPERM;
664 break;
02b234c4
MD		 665
666 case NODE_TYPEDEF:
667 return reparent_typedef(node, parent);
668 case NODE_TYPEALIAS_TARGET:
669 if (parent->type == NODE_TYPEALIAS)
670 parent->u.typealias.target = node;
671 else
672 return -EINVAL;
673 case NODE_TYPEALIAS_ALIAS:
674 if (parent->type == NODE_TYPEALIAS)
675 parent->u.typealias.alias = node;
676 else
677 return -EINVAL;
678 case NODE_TYPEALIAS:
679 return reparent_typealias(node, parent);
680
02b234c4 681 case NODE_POINTER:
48a01768
MD		 682 if (parent->type == NODE_TYPE_DECLARATOR) {
683 _cds_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
684 } else
02b234c4
MD		 685 return -EPERM;
686 break;
687 case NODE_TYPE_DECLARATOR:
688 return reparent_type_declarator(node, parent);
689
3e11b713
MD		 690 case NODE_TYPE_SPECIFIER_LIST:
691 return reparent_type_specifier_list(node, parent);
692
6dc474b8 693 case NODE_TYPE_SPECIFIER:
3e11b713
MD		 694 return reparent_type_specifier(node, parent);
695
02b234c4 696 case NODE_FLOATING_POINT:
02b234c4 697 case NODE_INTEGER:
02b234c4 698 case NODE_STRING:
6dc474b8
MD		 699 case NODE_ENUM:
700 case NODE_VARIANT:
701 case NODE_STRUCT:
3e11b713 702 return -EINVAL; /* Dealt with internally within grammar */
6dc474b8 703
02b234c4 704 case NODE_ENUMERATOR:
48a01768
MD		 705 if (parent->type == NODE_ENUM) {
706 _cds_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
3e11b713 707 } else {
02b234c4 708 return -EPERM;
3e11b713 709 }
02b234c4 710 break;
02b234c4
MD		 711 case NODE_STRUCT_OR_VARIANT_DECLARATION:
712 switch (parent->type) {
713 case NODE_STRUCT:
48a01768 714 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
02b234c4
MD		 715 break;
716 case NODE_VARIANT:
48a01768 717 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
02b234c4
MD		 718 break;
719 default:
720 return -EINVAL;
721 }
722 break;
02b234c4
MD		 723
724 case NODE_UNKNOWN:
725 default:
726 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
727 (int) parent->type);
728 return -EINVAL;
729 }
730 return 0;
731}
732
34d3acc4 733void yyerror(struct ctf_scanner *scanner, const char *str)
8b9d5b5e
MD		 734{
735 fprintf(stderr, "error %s\n", str);
736}
737
738int yywrap(void)
739{
740 return 1;
741}
742
6dc474b8
MD		 743#define reparent_error(scanner, str) \
744do { \
745 yyerror(scanner, YY_("reparent_error: " str "\n")); \
746 YYERROR; \
747} while (0)
748
34d3acc4 749static void free_strings(struct cds_list_head *list)
8b9d5b5e
MD		 750{
751 struct gc_string *gstr, *tmp;
752
34d3acc4 753 cds_list_for_each_entry_safe(gstr, tmp, list, gc)
8b9d5b5e
MD		 754 free(gstr);
755}
756
34d3acc4 757static struct ctf_ast *ctf_ast_alloc(void)
8b9d5b5e 758{
34d3acc4
MD		 759 struct ctf_ast *ast;
760
761 ast = malloc(sizeof(*ast));
762 if (!ast)
763 return NULL;
764 memset(ast, 0, sizeof(*ast));
02b234c4
MD		 765 CDS_INIT_LIST_HEAD(&ast->allocated_nodes);
766 ast->root.type = NODE_ROOT;
48a01768 767 CDS_INIT_LIST_HEAD(&ast->root.tmp_head);
3e11b713 768 CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
02b234c4
MD		 769 CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
770 CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
771 CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
34d3acc4
MD		 772 return ast;
773}
774
775static void ctf_ast_free(struct ctf_ast *ast)
776{
02b234c4
MD		 777 struct ctf_node *node, *tmp;
778
779 cds_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
780 free(node);
34d3acc4
MD		 781}
782
783int ctf_scanner_append_ast(struct ctf_scanner *scanner)
784{
785 return yyparse(scanner);
786}
787
788struct ctf_scanner *ctf_scanner_alloc(FILE *input)
789{
790 struct ctf_scanner *scanner;
791 int ret;
792
793 scanner = malloc(sizeof(*scanner));
794 if (!scanner)
795 return NULL;
796 memset(scanner, 0, sizeof(*scanner));
797
798 ret = yylex_init_extra(scanner, &scanner->scanner);
799 if (ret) {
800 fprintf(stderr, "yylex_init error\n");
801 goto cleanup_scanner;
802 }
803 yyset_in(input, scanner);
804
805 scanner->ast = ctf_ast_alloc();
806 if (!scanner->ast)
807 goto cleanup_lexer;
808 init_scope(&scanner->root_scope, NULL);
19d96da7 809 scanner->cs = &scanner->root_scope;
34d3acc4
MD		 810 CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
811
812 return scanner;
813
814cleanup_lexer:
815 ret = yylex_destroy(scanner->scanner);
816 if (!ret)
817 fprintf(stderr, "yylex_destroy error\n");
818cleanup_scanner:
819 free(scanner);
820 return NULL;
821}
822
823void ctf_scanner_free(struct ctf_scanner *scanner)
824{
825 int ret;
826
827 finalize_scope(&scanner->root_scope);
828 free_strings(&scanner->allocated_strings);
829 ctf_ast_free(scanner->ast);
830 ret = yylex_destroy(scanner->scanner);
831 if (ret)
832 fprintf(stderr, "yylex_destroy error\n");
833 free(scanner);
834}
8b9d5b5e
MD		 835
836%}
837
34d3acc4
MD		 838%define api.pure
839 /* %locations */
840%parse-param {struct ctf_scanner *scanner}
841%lex-param {struct ctf_scanner *scanner}
8b9d5b5e 842%start file
8b9d5b5e
MD		 843%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
844%token <gs> IDENTIFIER ID_TYPE
845%token ERROR
846%union
847{
848 long long ll;
849 char c;
850 struct gc_string *gs;
851 struct ctf_node *n;
852}
853
6dc474b8
MD		 854%type <gs> keywords
855%type <gs> s_char s_char_sequence c_char c_char_sequence
856
857%type <n> postfix_expression unary_expression unary_expression_or_range
858
859%type <n> declaration
02b234c4 860%type <n> event_declaration
6dc474b8
MD		 861%type <n> stream_declaration
862%type <n> trace_declaration
863%type <n> declaration_specifiers
1ee8e81d 864%type <n> alias_declaration_specifiers
6dc474b8
MD		 865
866%type <n> type_declarator_list
6dc474b8
MD		 867%type <n> type_specifier
868%type <n> struct_type_specifier
869%type <n> variant_type_specifier
7d4192cb 870%type <n> declaration_specifiers_or_integer_constant
6dc474b8
MD		 871%type <n> enum_type_specifier
872%type <n> struct_or_variant_declaration_list
873%type <n> struct_or_variant_declaration
6dc474b8
MD		 874%type <n> struct_or_variant_declarator_list
875%type <n> struct_or_variant_declarator
876%type <n> enumerator_list
877%type <n> enumerator
878%type <n> abstract_declarator_list
879%type <n> abstract_declarator
880%type <n> direct_abstract_declarator
e0c14875
MD		 881%type <n> alias_abstract_declarator_list
882%type <n> alias_abstract_declarator
883%type <n> direct_alias_abstract_declarator
6dc474b8
MD		 884%type <n> declarator
885%type <n> direct_declarator
886%type <n> type_declarator
887%type <n> direct_type_declarator
6dc474b8 888%type <n> pointer
02b234c4
MD		 889%type <n> ctf_assignment_expression_list
890%type <n> ctf_assignment_expression
891
8b9d5b5e
MD		 892%%
893
894file:
895 declaration
6dc474b8 896 {
48a01768 897 if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
6dc474b8
MD		 898 reparent_error(scanner, "error reparenting to root");
899 }
8b9d5b5e 900 | file declaration
6dc474b8 901 {
48a01768 902 if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
6dc474b8
MD		 903 reparent_error(scanner, "error reparenting to root");
904 }
8b9d5b5e
MD		 905 ;
906
907keywords:
908 VOID
6dc474b8 909 { $$ = yylval.gs; }
8b9d5b5e 910 | CHAR
6dc474b8 911 { $$ = yylval.gs; }
8b9d5b5e 912 | SHORT
6dc474b8 913 { $$ = yylval.gs; }
8b9d5b5e 914 | INT
6dc474b8 915 { $$ = yylval.gs; }
8b9d5b5e 916 | LONG
6dc474b8 917 { $$ = yylval.gs; }
8b9d5b5e 918 | FLOAT
6dc474b8 919 { $$ = yylval.gs; }
8b9d5b5e 920 | DOUBLE
6dc474b8 921 { $$ = yylval.gs; }
8b9d5b5e 922 | SIGNED
6dc474b8 923 { $$ = yylval.gs; }
8b9d5b5e 924 | UNSIGNED
6dc474b8 925 { $$ = yylval.gs; }
8b9d5b5e 926 | _BOOL
6dc474b8 927 { $$ = yylval.gs; }
8b9d5b5e 928 | _COMPLEX
6dc474b8 929 { $$ = yylval.gs; }
3888a159
MD		 930 | _IMAGINARY
931 { $$ = yylval.gs; }
8b9d5b5e 932 | FLOATING_POINT
6dc474b8 933 { $$ = yylval.gs; }
8b9d5b5e 934 | INTEGER
6dc474b8 935 { $$ = yylval.gs; }
8b9d5b5e 936 | STRING
6dc474b8 937 { $$ = yylval.gs; }
8b9d5b5e 938 | ENUM
6dc474b8 939 { $$ = yylval.gs; }
8b9d5b5e 940 | VARIANT
6dc474b8 941 { $$ = yylval.gs; }
8b9d5b5e 942 | STRUCT
6dc474b8 943 { $$ = yylval.gs; }
8b9d5b5e 944 | CONST
6dc474b8 945 { $$ = yylval.gs; }
8b9d5b5e 946 | TYPEDEF
6dc474b8 947 { $$ = yylval.gs; }
8b9d5b5e 948 | EVENT
6dc474b8 949 { $$ = yylval.gs; }
8b9d5b5e 950 | STREAM
6dc474b8 951 { $$ = yylval.gs; }
8b9d5b5e 952 | TRACE
6dc474b8 953 { $$ = yylval.gs; }
8b9d5b5e
MD		 954 ;
955
956/* 1.5 Constants */
957
958c_char_sequence:
959 c_char
6dc474b8 960 { $$ = $1; }
8b9d5b5e 961 | c_char_sequence c_char
6dc474b8 962 { $$ = gc_string_append(scanner, $1, $2); }
8b9d5b5e
MD		 963 ;
964
965c_char:
966 CHAR_STRING_TOKEN
6dc474b8 967 { $$ = yylval.gs; }
8b9d5b5e 968 | ESCSEQ
6dc474b8
MD		 969 {
970 reparent_error(scanner, "escape sequences not supported yet");
971 }
8b9d5b5e
MD		 972 ;
973
974/* 1.6 String literals */
975
976s_char_sequence:
977 s_char
6dc474b8 978 { $$ = $1; }
8b9d5b5e 979 | s_char_sequence s_char
6dc474b8 980 { $$ = gc_string_append(scanner, $1, $2); }
8b9d5b5e
MD		 981 ;
982
983s_char:
984 CHAR_STRING_TOKEN
6dc474b8 985 { $$ = yylval.gs; }
8b9d5b5e 986 | ESCSEQ
6dc474b8
MD		 987 {
988 reparent_error(scanner, "escape sequences not supported yet");
989 }
8b9d5b5e
MD		 990 ;
991
992/* 2: Phrase structure grammar */
993
994postfix_expression:
995 IDENTIFIER
6dc474b8
MD		 996 {
997 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
998 $$->u.unary_expression.type = UNARY_STRING;
999 $$->u.unary_expression.u.string = yylval.gs->s;
1000 }
8b9d5b5e 1001 | ID_TYPE
6dc474b8
MD		 1002 {
1003 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1004 $$->u.unary_expression.type = UNARY_STRING;
1005 $$->u.unary_expression.u.string = yylval.gs->s;
1006 }
8b9d5b5e 1007 | keywords
6dc474b8
MD		 1008 {
1009 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1010 $$->u.unary_expression.type = UNARY_STRING;
1011 $$->u.unary_expression.u.string = yylval.gs->s;
1012 }
1013
8b9d5b5e 1014 | DECIMAL_CONSTANT
6dc474b8
MD		 1015 {
1016 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1017 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1018 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1019 &$$->u.unary_expression.u.unsigned_constant);
1020 }
8b9d5b5e 1021 | OCTAL_CONSTANT
6dc474b8
MD		 1022 {
1023 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1024 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1025 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1026 &$$->u.unary_expression.u.unsigned_constant);
1027 }
8b9d5b5e 1028 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1029 {
1030 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1031 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1032 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1033 &$$->u.unary_expression.u.unsigned_constant);
1034 }
8b9d5b5e 1035 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 1036 {
1037 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1038 $$->u.unary_expression.type = UNARY_STRING;
1039 $$->u.unary_expression.u.string = "";
1040 }
8b9d5b5e 1041 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 1042 {
1043 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1044 $$->u.unary_expression.type = UNARY_STRING;
1045 $$->u.unary_expression.u.string = $2->s;
1046 }
8b9d5b5e 1047 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
6dc474b8
MD		 1048 {
1049 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1050 $$->u.unary_expression.type = UNARY_STRING;
1051 $$->u.unary_expression.u.string = $2->s;
1052 }
8b9d5b5e 1053 | LPAREN unary_expression RPAREN
6dc474b8 1054 {
48a01768
MD		 1055 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1056 $$->u.unary_expression.type = UNARY_NESTED;
1057 $$->u.unary_expression.u.nested_exp = $2;
6dc474b8 1058 }
8b9d5b5e 1059 | postfix_expression LSBRAC unary_expression RSBRAC
6dc474b8
MD		 1060 {
1061 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1062 $$->u.unary_expression.type = UNARY_SBRAC;
1063 $$->u.unary_expression.u.sbrac_exp = $3;
48a01768
MD		 1064 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1065 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1066 }
8b9d5b5e 1067 | postfix_expression DOT IDENTIFIER
6dc474b8
MD		 1068 {
1069 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1070 $$->u.unary_expression.type = UNARY_STRING;
1071 $$->u.unary_expression.u.string = yylval.gs->s;
1072 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1073 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1074 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1075 }
8b9d5b5e 1076 | postfix_expression DOT ID_TYPE
6dc474b8
MD		 1077 {
1078 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1079 $$->u.unary_expression.type = UNARY_STRING;
1080 $$->u.unary_expression.u.string = yylval.gs->s;
1081 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1082 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1083 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1084 }
8b9d5b5e 1085 | postfix_expression RARROW IDENTIFIER
6dc474b8
MD		 1086 {
1087 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1088 $$->u.unary_expression.type = UNARY_STRING;
1089 $$->u.unary_expression.u.string = yylval.gs->s;
1090 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1091 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1092 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1093 }
8b9d5b5e 1094 | postfix_expression RARROW ID_TYPE
6dc474b8
MD		 1095 {
1096 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1097 $$->u.unary_expression.type = UNARY_STRING;
1098 $$->u.unary_expression.u.string = yylval.gs->s;
1099 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1100 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1101 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1102 }
8b9d5b5e
MD		 1103 ;
1104
1105unary_expression:
1106 postfix_expression
6dc474b8 1107 { $$ = $1; }
8b9d5b5e 1108 | PLUS postfix_expression
6dc474b8 1109 { $$ = $2; }
8b9d5b5e 1110 | MINUS postfix_expression
6dc474b8
MD		 1111 {
1112 $$ = $2;
1113 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1114 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1115 reparent_error(scanner, "expecting numeric constant");
1116
1117 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1118 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1119 $$->u.unary_expression.u.signed_constant =
1120 -($$->u.unary_expression.u.unsigned_constant);
1121 } else {
1122 $$->u.unary_expression.u.signed_constant =
1123 -($$->u.unary_expression.u.signed_constant);
1124 }
1125 }
8b9d5b5e
MD		 1126 ;
1127
1128unary_expression_or_range:
1129 unary_expression DOTDOTDOT unary_expression
6dc474b8
MD		 1130 {
1131 $$ = $1;
48a01768
MD		 1132 _cds_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1133 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
6dc474b8 1134 }
8b9d5b5e 1135 | unary_expression
6dc474b8 1136 { $$ = $1; }
8b9d5b5e
MD		 1137 ;
1138
1139/* 2.2: Declarations */
1140
1141declaration:
1142 declaration_specifiers SEMICOLON
6dc474b8 1143 { $$ = $1; }
8b9d5b5e 1144 | event_declaration
6dc474b8 1145 { $$ = $1; }
8b9d5b5e 1146 | stream_declaration
6dc474b8 1147 { $$ = $1; }
8b9d5b5e 1148 | trace_declaration
6dc474b8 1149 { $$ = $1; }
8b9d5b5e 1150 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1151 {
3e11b713
MD		 1152 struct ctf_node *list;
1153
6dc474b8 1154 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1155 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1156 $$->u._typedef.type_specifier_list = list;
1157 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1158 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1159 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1160 }
8b9d5b5e 1161 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1162 {
3e11b713
MD		 1163 struct ctf_node *list;
1164
6dc474b8 1165 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1166 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1167 $$->u._typedef.type_specifier_list = list;
1168 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1169 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1170 }
8b9d5b5e 1171 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1172 {
3e11b713
MD		 1173 struct ctf_node *list;
1174
6dc474b8 1175 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1176 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1177 $$->u._typedef.type_specifier_list = list;
1178 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1179 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1180 }
e0c14875 1181 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1182 {
3e11b713
MD		 1183 struct ctf_node *list;
1184
6dc474b8
MD		 1185 $$ = make_node(scanner, NODE_TYPEALIAS);
1186 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1187 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1188
1189 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1190 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1191 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1192 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1193
1194 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1195 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1196 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1197 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1198 }
8b9d5b5e
MD		 1199 ;
1200
1201event_declaration:
1202 event_declaration_begin event_declaration_end
48a01768
MD		 1203 {
1204 $$ = make_node(scanner, NODE_EVENT);
48a01768 1205 }
8b9d5b5e 1206 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
02b234c4
MD		 1207 {
1208 $$ = make_node(scanner, NODE_EVENT);
48a01768 1209 if (set_parent_node($2, $$))
6dc474b8 1210 reparent_error(scanner, "event_declaration");
02b234c4 1211 }
8b9d5b5e
MD		 1212 ;
1213
1214event_declaration_begin:
1215 EVENT LBRAC
fce8006d 1216 { push_scope(scanner); }
8b9d5b5e
MD		 1217 ;
1218
1219event_declaration_end:
1220 RBRAC SEMICOLON
fce8006d 1221 { pop_scope(scanner); }
8b9d5b5e
MD		 1222 ;
1223
1224
1225stream_declaration:
1226 stream_declaration_begin stream_declaration_end
48a01768
MD		 1227 {
1228 $$ = make_node(scanner, NODE_STREAM);
48a01768 1229 }
8b9d5b5e 1230 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
6dc474b8
MD		 1231 {
1232 $$ = make_node(scanner, NODE_STREAM);
48a01768 1233 if (set_parent_node($2, $$))
6dc474b8
MD		 1234 reparent_error(scanner, "stream_declaration");
1235 }
8b9d5b5e
MD		 1236 ;
1237
1238stream_declaration_begin:
1239 STREAM LBRAC
fce8006d 1240 { push_scope(scanner); }
8b9d5b5e
MD		 1241 ;
1242
1243stream_declaration_end:
1244 RBRAC SEMICOLON
fce8006d 1245 { pop_scope(scanner); }
8b9d5b5e
MD		 1246 ;
1247
1248
1249trace_declaration:
1250 trace_declaration_begin trace_declaration_end
48a01768
MD		 1251 {
1252 $$ = make_node(scanner, NODE_TRACE);
48a01768 1253 }
8b9d5b5e 1254 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
6dc474b8
MD		 1255 {
1256 $$ = make_node(scanner, NODE_TRACE);
48a01768 1257 if (set_parent_node($2, $$))
6dc474b8
MD		 1258 reparent_error(scanner, "trace_declaration");
1259 }
8b9d5b5e
MD		 1260 ;
1261
1262trace_declaration_begin:
1263 TRACE LBRAC
fce8006d 1264 { push_scope(scanner); }
8b9d5b5e
MD		 1265 ;
1266
1267trace_declaration_end:
1268 RBRAC SEMICOLON
fce8006d 1269 { pop_scope(scanner); }
8b9d5b5e
MD		 1270 ;
1271
1272declaration_specifiers:
1273 CONST
6dc474b8 1274 {
3e11b713
MD		 1275 struct ctf_node *node;
1276
1277 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1278 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1279 node->u.type_specifier.type = TYPESPEC_CONST;
1280 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1281 }
8b9d5b5e 1282 | type_specifier
3e11b713
MD		 1283 {
1284 struct ctf_node *node;
1285
1286 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1287 node = $1;
1288 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1289 }
8b9d5b5e 1290 | declaration_specifiers CONST
6dc474b8
MD		 1291 {
1292 struct ctf_node *node;
1293
48a01768 1294 $$ = $1;
6dc474b8
MD		 1295 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1296 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1297 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1298 }
8b9d5b5e 1299 | declaration_specifiers type_specifier
6dc474b8
MD		 1300 {
1301 $$ = $1;
3e11b713 1302 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1303 }
8b9d5b5e
MD		 1304 ;
1305
1306type_declarator_list:
1307 type_declarator
0009a725 1308 { $$ = $1; }
8b9d5b5e 1309 | type_declarator_list COMMA type_declarator
6dc474b8
MD		 1310 {
1311 $$ = $1;
48a01768 1312 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1313 }
8b9d5b5e
MD		 1314 ;
1315
8b9d5b5e
MD		 1316type_specifier:
1317 VOID
6dc474b8
MD		 1318 {
1319 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1320 $$->u.type_specifier.type = TYPESPEC_VOID;
1321 }
8b9d5b5e 1322 | CHAR
6dc474b8
MD		 1323 {
1324 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1325 $$->u.type_specifier.type = TYPESPEC_CHAR;
1326 }
8b9d5b5e 1327 | SHORT
6dc474b8
MD		 1328 {
1329 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1330 $$->u.type_specifier.type = TYPESPEC_SHORT;
1331 }
8b9d5b5e 1332 | INT
6dc474b8
MD		 1333 {
1334 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1335 $$->u.type_specifier.type = TYPESPEC_INT;
1336 }
8b9d5b5e 1337 | LONG
6dc474b8
MD		 1338 {
1339 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1340 $$->u.type_specifier.type = TYPESPEC_LONG;
1341 }
8b9d5b5e 1342 | FLOAT
6dc474b8
MD		 1343 {
1344 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1345 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1346 }
8b9d5b5e 1347 | DOUBLE
6dc474b8
MD		 1348 {
1349 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1350 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1351 }
8b9d5b5e 1352 | SIGNED
6dc474b8
MD		 1353 {
1354 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1355 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1356 }
8b9d5b5e 1357 | UNSIGNED
6dc474b8
MD		 1358 {
1359 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1360 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1361 }
8b9d5b5e 1362 | _BOOL
6dc474b8
MD		 1363 {
1364 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1365 $$->u.type_specifier.type = TYPESPEC_BOOL;
1366 }
8b9d5b5e 1367 | _COMPLEX
6dc474b8
MD		 1368 {
1369 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1370 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1371 }
3888a159
MD		 1372 | _IMAGINARY
1373 {
1374 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1375 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1376 }
8b9d5b5e 1377 | ID_TYPE
6dc474b8
MD		 1378 {
1379 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1380 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1381 $$->u.type_specifier.id_type = yylval.gs->s;
1382 }
8b9d5b5e 1383 | FLOATING_POINT LBRAC RBRAC
6dc474b8 1384 {
3e11b713
MD		 1385 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1386 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1387 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
6dc474b8 1388 }
8b9d5b5e 1389 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1390 {
3e11b713
MD		 1391 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1392 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1393 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1394 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1395 reparent_error(scanner, "floating point reparent error");
1396 }
8b9d5b5e 1397 | INTEGER LBRAC RBRAC
6dc474b8 1398 {
3e11b713
MD		 1399 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1400 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1401 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
6dc474b8 1402 }
8b9d5b5e 1403 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1404 {
3e11b713
MD		 1405 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1406 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1407 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1408 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1409 reparent_error(scanner, "integer reparent error");
1410 }
8b9d5b5e 1411 | STRING LBRAC RBRAC
6dc474b8 1412 {
3e11b713
MD		 1413 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1414 $$->u.type_specifier.type = TYPESPEC_STRING;
1415 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
6dc474b8 1416 }
8b9d5b5e 1417 | STRING LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1418 {
3e11b713
MD		 1419 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1420 $$->u.type_specifier.type = TYPESPEC_STRING;
1421 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1422 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1423 reparent_error(scanner, "string reparent error");
1424 }
8b9d5b5e 1425 | ENUM enum_type_specifier
3e11b713
MD		 1426 {
1427 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1428 $$->u.type_specifier.type = TYPESPEC_ENUM;
1429 $$->u.type_specifier.node = $2;
1430 }
8b9d5b5e 1431 | VARIANT variant_type_specifier
3e11b713
MD		 1432 {
1433 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1434 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1435 $$->u.type_specifier.node = $2;
1436 $$ = $2;
1437 }
8b9d5b5e 1438 | STRUCT struct_type_specifier
3e11b713
MD		 1439 {
1440 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1441 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1442 $$->u.type_specifier.node = $2;
1443 $$ = $2;
1444 }
8b9d5b5e
MD		 1445 ;
1446
1447struct_type_specifier:
1448 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1449 {
1450 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1451 $$->u._struct.has_body = 1;
48a01768 1452 if (set_parent_node($2, $$))
6dc474b8
MD		 1453 reparent_error(scanner, "struct reparent error");
1454 }
8b9d5b5e 1455 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1456 {
1457 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1458 $$->u._struct.has_body = 1;
6dc474b8 1459 $$->u._struct.name = $1->s;
48a01768 1460 if (set_parent_node($3, $$))
6dc474b8
MD		 1461 reparent_error(scanner, "struct reparent error");
1462 }
8b9d5b5e 1463 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1464 {
1465 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1466 $$->u._struct.has_body = 1;
6dc474b8 1467 $$->u._struct.name = $1->s;
48a01768 1468 if (set_parent_node($3, $$))
6dc474b8
MD		 1469 reparent_error(scanner, "struct reparent error");
1470 }
8b9d5b5e 1471 | IDENTIFIER
6dc474b8
MD		 1472 {
1473 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1474 $$->u._struct.has_body = 0;
6dc474b8
MD		 1475 $$->u._struct.name = $1->s;
1476 }
8b9d5b5e 1477 | ID_TYPE
6dc474b8
MD		 1478 {
1479 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1480 $$->u._struct.has_body = 0;
6dc474b8
MD		 1481 $$->u._struct.name = $1->s;
1482 }
8b9d5b5e
MD		 1483 ;
1484
1485struct_declaration_begin:
1486 LBRAC
fce8006d 1487 { push_scope(scanner); }
8b9d5b5e
MD		 1488 ;
1489
1490struct_declaration_end:
1491 RBRAC
fce8006d 1492 { pop_scope(scanner); }
8b9d5b5e
MD		 1493 ;
1494
1495variant_type_specifier:
1496 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1497 {
1498 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1499 $$->u.variant.has_body = 1;
48a01768 1500 if (set_parent_node($2, $$))
6dc474b8
MD		 1501 reparent_error(scanner, "variant reparent error");
1502 }
8b9d5b5e 1503 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1504 {
1505 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1506 $$->u.variant.has_body = 1;
6dc474b8 1507 $$->u.variant.choice = $2->s;
48a01768 1508 if (set_parent_node($5, $$))
6dc474b8
MD		 1509 reparent_error(scanner, "variant reparent error");
1510 }
8b9d5b5e 1511 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1512 {
1513 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1514 $$->u.variant.has_body = 1;
6dc474b8 1515 $$->u.variant.choice = $2->s;
48a01768 1516 if (set_parent_node($5, $$))
6dc474b8
MD		 1517 reparent_error(scanner, "variant reparent error");
1518 }
8b9d5b5e 1519 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1520 {
1521 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1522 $$->u.variant.has_body = 1;
6dc474b8 1523 $$->u.variant.name = $1->s;
48a01768 1524 if (set_parent_node($3, $$))
6dc474b8
MD		 1525 reparent_error(scanner, "variant reparent error");
1526 }
8b9d5b5e 1527 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1528 {
1529 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1530 $$->u.variant.has_body = 1;
6dc474b8
MD		 1531 $$->u.variant.name = $1->s;
1532 $$->u.variant.choice = $3->s;
48a01768 1533 if (set_parent_node($6, $$))
6dc474b8
MD		 1534 reparent_error(scanner, "variant reparent error");
1535 }
8b9d5b5e 1536 | IDENTIFIER LT IDENTIFIER GT
6dc474b8
MD		 1537 {
1538 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1539 $$->u.variant.has_body = 0;
6dc474b8
MD		 1540 $$->u.variant.name = $1->s;
1541 $$->u.variant.choice = $3->s;
1542 }
8b9d5b5e 1543 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1544 {
1545 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1546 $$->u.variant.has_body = 1;
6dc474b8
MD		 1547 $$->u.variant.name = $1->s;
1548 $$->u.variant.choice = $3->s;
48a01768 1549 if (set_parent_node($6, $$))
6dc474b8
MD		 1550 reparent_error(scanner, "variant reparent error");
1551 }
8b9d5b5e 1552 | IDENTIFIER LT ID_TYPE GT
6dc474b8
MD		 1553 {
1554 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1555 $$->u.variant.has_body = 0;
6dc474b8
MD		 1556 $$->u.variant.name = $1->s;
1557 $$->u.variant.choice = $3->s;
1558 }
8b9d5b5e 1559 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1560 {
1561 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1562 $$->u.variant.has_body = 1;
6dc474b8 1563 $$->u.variant.name = $1->s;
48a01768 1564 if (set_parent_node($3, $$))
6dc474b8
MD		 1565 reparent_error(scanner, "variant reparent error");
1566 }
8b9d5b5e 1567 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1568 {
1569 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1570 $$->u.variant.has_body = 1;
6dc474b8
MD		 1571 $$->u.variant.name = $1->s;
1572 $$->u.variant.choice = $3->s;
48a01768 1573 if (set_parent_node($6, $$))
6dc474b8
MD		 1574 reparent_error(scanner, "variant reparent error");
1575 }
8b9d5b5e 1576 | ID_TYPE LT IDENTIFIER GT
6dc474b8
MD		 1577 {
1578 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1579 $$->u.variant.has_body = 0;
6dc474b8
MD		 1580 $$->u.variant.name = $1->s;
1581 $$->u.variant.choice = $3->s;
1582 }
8b9d5b5e 1583 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1584 {
1585 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1586 $$->u.variant.has_body = 1;
6dc474b8
MD		 1587 $$->u.variant.name = $1->s;
1588 $$->u.variant.choice = $3->s;
48a01768 1589 if (set_parent_node($6, $$))
6dc474b8
MD		 1590 reparent_error(scanner, "variant reparent error");
1591 }
8b9d5b5e 1592 | ID_TYPE LT ID_TYPE GT
6dc474b8
MD		 1593 {
1594 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1595 $$->u.variant.has_body = 0;
6dc474b8
MD		 1596 $$->u.variant.name = $1->s;
1597 $$->u.variant.choice = $3->s;
1598 }
8b9d5b5e
MD		 1599 ;
1600
1601variant_declaration_begin:
1602 LBRAC
fce8006d 1603 { push_scope(scanner); }
8b9d5b5e
MD		 1604 ;
1605
1606variant_declaration_end:
1607 RBRAC
fce8006d 1608 { pop_scope(scanner); }
8b9d5b5e
MD		 1609 ;
1610
7d4192cb 1611declaration_specifiers_or_integer_constant:
8b9d5b5e 1612 declaration_specifiers
6dc474b8 1613 { $$ = $1; }
8b9d5b5e 1614 | DECIMAL_CONSTANT
6dc474b8
MD		 1615 {
1616 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1617 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1618 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1619 &$$->u.unary_expression.u.unsigned_constant);
1620 }
8b9d5b5e 1621 | OCTAL_CONSTANT
6dc474b8
MD		 1622 {
1623 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1624 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1625 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1626 &$$->u.unary_expression.u.unsigned_constant);
1627 }
8b9d5b5e 1628 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1629 {
1630 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1631 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1632 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1633 &$$->u.unary_expression.u.unsigned_constant);
1634 }
8b9d5b5e
MD		 1635 ;
1636
1637enum_type_specifier:
1638 LBRAC enumerator_list RBRAC
6dc474b8
MD		 1639 {
1640 $$ = make_node(scanner, NODE_ENUM);
add40b62 1641 $$->u._enum.has_body = 1;
48a01768 1642 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1643 }
2b0a0f95 1644 | LT declaration_specifiers GT LBRAC enumerator_list RBRAC
6dc474b8
MD		 1645 {
1646 $$ = make_node(scanner, NODE_ENUM);
add40b62 1647 $$->u._enum.has_body = 1;
3e11b713 1648 ($$)->u._enum.container_type = $2;
48a01768 1649 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1650 }
8b9d5b5e 1651 | IDENTIFIER LBRAC enumerator_list RBRAC
6dc474b8
MD		 1652 {
1653 $$ = make_node(scanner, NODE_ENUM);
add40b62 1654 $$->u._enum.has_body = 1;
6dc474b8 1655 $$->u._enum.enum_id = $1->s;
48a01768 1656 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1657 }
2b0a0f95 1658 | IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list RBRAC
6dc474b8
MD		 1659 {
1660 $$ = make_node(scanner, NODE_ENUM);
add40b62 1661 $$->u._enum.has_body = 1;
6dc474b8 1662 $$->u._enum.enum_id = $1->s;
3e11b713 1663 ($$)->u._enum.container_type = $3;
48a01768 1664 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1665 }
8b9d5b5e 1666 | ID_TYPE LBRAC enumerator_list RBRAC
6dc474b8
MD		 1667 {
1668 $$ = make_node(scanner, NODE_ENUM);
add40b62 1669 $$->u._enum.has_body = 1;
6dc474b8 1670 $$->u._enum.enum_id = $1->s;
48a01768 1671 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1672 }
2b0a0f95 1673 | ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list RBRAC
6dc474b8
MD		 1674 {
1675 $$ = make_node(scanner, NODE_ENUM);
add40b62 1676 $$->u._enum.has_body = 1;
6dc474b8 1677 $$->u._enum.enum_id = $1->s;
3e11b713 1678 ($$)->u._enum.container_type = $3;
48a01768 1679 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1680 }
8b9d5b5e 1681 | LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1682 {
1683 $$ = make_node(scanner, NODE_ENUM);
add40b62 1684 $$->u._enum.has_body = 1;
48a01768 1685 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1686 }
2b0a0f95 1687 | LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1688 {
1689 $$ = make_node(scanner, NODE_ENUM);
add40b62 1690 $$->u._enum.has_body = 1;
3e11b713 1691 ($$)->u._enum.container_type = $2;
48a01768 1692 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1693 }
8b9d5b5e 1694 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1695 {
1696 $$ = make_node(scanner, NODE_ENUM);
add40b62 1697 $$->u._enum.has_body = 1;
6dc474b8 1698 $$->u._enum.enum_id = $1->s;
48a01768 1699 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1700 }
2b0a0f95 1701 | IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1702 {
1703 $$ = make_node(scanner, NODE_ENUM);
add40b62 1704 $$->u._enum.has_body = 1;
6dc474b8 1705 $$->u._enum.enum_id = $1->s;
3e11b713 1706 ($$)->u._enum.container_type = $3;
48a01768 1707 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1708 }
8b9d5b5e 1709 | IDENTIFIER
6dc474b8
MD		 1710 {
1711 $$ = make_node(scanner, NODE_ENUM);
add40b62 1712 $$->u._enum.has_body = 0;
6dc474b8
MD		 1713 $$->u._enum.enum_id = $1->s;
1714 }
2b0a0f95 1715 | IDENTIFIER LT declaration_specifiers GT
6dc474b8
MD		 1716 {
1717 $$ = make_node(scanner, NODE_ENUM);
add40b62 1718 $$->u._enum.has_body = 0;
6dc474b8 1719 $$->u._enum.enum_id = $1->s;
3e11b713 1720 ($$)->u._enum.container_type = $3;
6dc474b8 1721 }
8b9d5b5e 1722 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1723 {
1724 $$ = make_node(scanner, NODE_ENUM);
add40b62 1725 $$->u._enum.has_body = 1;
6dc474b8 1726 $$->u._enum.enum_id = $1->s;
48a01768 1727 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1728 }
2b0a0f95 1729 | ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1730 {
1731 $$ = make_node(scanner, NODE_ENUM);
add40b62 1732 $$->u._enum.has_body = 1;
6dc474b8 1733 $$->u._enum.enum_id = $1->s;
3e11b713 1734 ($$)->u._enum.container_type = $3;
48a01768 1735 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1736 }
8b9d5b5e 1737 | ID_TYPE
6dc474b8
MD		 1738 {
1739 $$ = make_node(scanner, NODE_ENUM);
add40b62 1740 $$->u._enum.has_body = 0;
6dc474b8
MD		 1741 $$->u._enum.enum_id = $1->s;
1742 }
2b0a0f95 1743 | ID_TYPE LT declaration_specifiers GT
6dc474b8
MD		 1744 {
1745 $$ = make_node(scanner, NODE_ENUM);
add40b62 1746 $$->u._enum.has_body = 0;
6dc474b8 1747 $$->u._enum.enum_id = $1->s;
3e11b713 1748 ($$)->u._enum.container_type = $3;
6dc474b8 1749 }
8b9d5b5e
MD		 1750 ;
1751
1752struct_or_variant_declaration_list:
1753 /* empty */
6dc474b8 1754 { $$ = NULL; }
8b9d5b5e 1755 | struct_or_variant_declaration_list struct_or_variant_declaration
6dc474b8
MD		 1756 {
1757 if ($1) {
1758 $$ = $1;
48a01768 1759 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1760 } else {
1761 $$ = $2;
48a01768 1762 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1763 }
1764 }
8b9d5b5e
MD		 1765 ;
1766
1767struct_or_variant_declaration:
1ee8e81d 1768 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
6dc474b8 1769 {
3e11b713
MD		 1770 struct ctf_node *list;
1771
1772 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1773 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1774 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
3e11b713 1775 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1776 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
6dc474b8 1777 }
1ee8e81d 1778 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1779 {
3e11b713
MD		 1780 struct ctf_node *list;
1781
6dc474b8 1782 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1783 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1784 $$->u._typedef.type_specifier_list = list;
1785 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1786 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1787 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1788 }
1ee8e81d 1789 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1790 {
3e11b713
MD		 1791 struct ctf_node *list;
1792
6dc474b8 1793 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1794 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1795 $$->u._typedef.type_specifier_list = list;
1796 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1797 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1798 }
1ee8e81d 1799 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1800 {
3e11b713
MD		 1801 struct ctf_node *list;
1802
1803 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1804 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1805 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 1806 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1807 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1808 }
e0c14875 1809 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1810 {
3e11b713
MD		 1811 struct ctf_node *list;
1812
6dc474b8
MD		 1813 $$ = make_node(scanner, NODE_TYPEALIAS);
1814 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1815 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1816
1817 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1818 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1819 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1820 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1821
1822 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1823 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1824 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1825 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1826 }
8b9d5b5e
MD		 1827 ;
1828
1ee8e81d 1829alias_declaration_specifiers:
8b9d5b5e 1830 CONST
6dc474b8 1831 {
3e11b713
MD		 1832 struct ctf_node *node;
1833
1834 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1835 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1836 node->u.type_specifier.type = TYPESPEC_CONST;
1837 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1838 }
8b9d5b5e 1839 | type_specifier
3e11b713
MD		 1840 {
1841 struct ctf_node *node;
1842
1843 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1844 node = $1;
1845 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1846 }
1ee8e81d
MD		 1847 | IDENTIFIER
1848 {
3e11b713
MD		 1849 struct ctf_node *node;
1850
1ee8e81d 1851 add_type(scanner, $1);
3e11b713
MD		 1852 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1853 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1854 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1855 node->u.type_specifier.id_type = yylval.gs->s;
1856 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d
MD		 1857 }
1858 | alias_declaration_specifiers CONST
6dc474b8
MD		 1859 {
1860 struct ctf_node *node;
1861
1862 $$ = $1;
1863 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1864 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1865 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1866 }
1ee8e81d 1867 | alias_declaration_specifiers type_specifier
6dc474b8
MD		 1868 {
1869 $$ = $1;
3e11b713 1870 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1871 }
1ee8e81d
MD		 1872 | alias_declaration_specifiers IDENTIFIER
1873 {
1874 struct ctf_node *node;
1875
1876 add_type(scanner, $2);
1877 $$ = $1;
1878 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1879 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1880 node->u.type_specifier.id_type = yylval.gs->s;
3e11b713 1881 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d 1882 }
8b9d5b5e
MD		 1883 ;
1884
1885struct_or_variant_declarator_list:
1886 struct_or_variant_declarator
0009a725 1887 { $$ = $1; }
8b9d5b5e 1888 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
6dc474b8
MD		 1889 {
1890 $$ = $1;
48a01768 1891 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1892 }
8b9d5b5e
MD		 1893 ;
1894
1895struct_or_variant_declarator:
1896 declarator
6dc474b8 1897 { $$ = $1; }
8b9d5b5e 1898 | COLON unary_expression
6dc474b8 1899 { $$ = $2; }
8b9d5b5e 1900 | declarator COLON unary_expression
6dc474b8
MD		 1901 {
1902 $$ = $1;
48a01768 1903 if (set_parent_node($3, $1))
6dc474b8
MD		 1904 reparent_error(scanner, "struct_or_variant_declarator");
1905 }
8b9d5b5e
MD		 1906 ;
1907
1908enumerator_list:
1909 enumerator
0009a725 1910 { $$ = $1; }
8b9d5b5e 1911 | enumerator_list COMMA enumerator
6dc474b8
MD		 1912 {
1913 $$ = $1;
48a01768 1914 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1915 }
8b9d5b5e
MD		 1916 ;
1917
1918enumerator:
1919 IDENTIFIER
6dc474b8
MD		 1920 {
1921 $$ = make_node(scanner, NODE_ENUMERATOR);
1922 $$->u.enumerator.id = $1->s;
1923 }
8b9d5b5e 1924 | ID_TYPE
6dc474b8
MD		 1925 {
1926 $$ = make_node(scanner, NODE_ENUMERATOR);
1927 $$->u.enumerator.id = $1->s;
1928 }
8b9d5b5e 1929 | keywords
6dc474b8
MD		 1930 {
1931 $$ = make_node(scanner, NODE_ENUMERATOR);
1932 $$->u.enumerator.id = $1->s;
1933 }
8b9d5b5e 1934 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 1935 {
1936 $$ = make_node(scanner, NODE_ENUMERATOR);
1937 $$->u.enumerator.id = "";
1938 }
8b9d5b5e 1939 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 1940 {
1941 $$ = make_node(scanner, NODE_ENUMERATOR);
1942 $$->u.enumerator.id = $2->s;
1943 }
8b9d5b5e 1944 | IDENTIFIER EQUAL unary_expression_or_range
6dc474b8
MD		 1945 {
1946 $$ = make_node(scanner, NODE_ENUMERATOR);
1947 $$->u.enumerator.id = $1->s;
48a01768 1948 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1949 }
8b9d5b5e 1950 | ID_TYPE EQUAL unary_expression_or_range
6dc474b8
MD		 1951 {
1952 $$ = make_node(scanner, NODE_ENUMERATOR);
1953 $$->u.enumerator.id = $1->s;
48a01768 1954 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1955 }
8b9d5b5e 1956 | keywords EQUAL unary_expression_or_range
6dc474b8
MD		 1957 {
1958 $$ = make_node(scanner, NODE_ENUMERATOR);
1959 $$->u.enumerator.id = $1->s;
48a01768 1960 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1961 }
8b9d5b5e 1962 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 1963 {
1964 $$ = make_node(scanner, NODE_ENUMERATOR);
1965 $$->u.enumerator.id = "";
48a01768 1966 cds_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1967 }
8b9d5b5e 1968 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 1969 {
1970 $$ = make_node(scanner, NODE_ENUMERATOR);
1971 $$->u.enumerator.id = $2->s;
48a01768 1972 cds_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1973 }
8b9d5b5e
MD		 1974 ;
1975
1976abstract_declarator_list:
1977 abstract_declarator
0009a725 1978 { $$ = $1; }
8b9d5b5e 1979 | abstract_declarator_list COMMA abstract_declarator
6dc474b8
MD		 1980 {
1981 $$ = $1;
48a01768 1982 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1983 }
8b9d5b5e
MD		 1984 ;
1985
1986abstract_declarator:
1987 direct_abstract_declarator
6dc474b8 1988 { $$ = $1; }
8b9d5b5e 1989 | pointer direct_abstract_declarator
6dc474b8
MD		 1990 {
1991 $$ = $2;
48a01768 1992 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 1993 }
8b9d5b5e
MD		 1994 ;
1995
1996direct_abstract_declarator:
1997 /* empty */
6dc474b8
MD		 1998 {
1999 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2000 $$->u.type_declarator.type = TYPEDEC_ID;
2001 /* id is NULL */
2002 }
8b9d5b5e 2003 | IDENTIFIER
6dc474b8
MD		 2004 {
2005 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2006 $$->u.type_declarator.type = TYPEDEC_ID;
2007 $$->u.type_declarator.u.id = $1->s;
2008 }
8b9d5b5e 2009 | LPAREN abstract_declarator RPAREN
6dc474b8
MD		 2010 {
2011 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2012 $$->u.type_declarator.type = TYPEDEC_NESTED;
2013 $$->u.type_declarator.u.nested.type_declarator = $2;
2014 }
7d4192cb 2015 | direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2016 {
2017 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2018 $$->u.type_declarator.type = TYPEDEC_NESTED;
2019 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2020 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2021 }
8b9d5b5e 2022 | direct_abstract_declarator LSBRAC RSBRAC
6dc474b8
MD		 2023 {
2024 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2025 $$->u.type_declarator.type = TYPEDEC_NESTED;
2026 $$->u.type_declarator.u.nested.type_declarator = $1;
2027 $$->u.type_declarator.u.nested.abstract_array = 1;
2028 }
8b9d5b5e
MD		 2029 ;
2030
e0c14875
MD		 2031alias_abstract_declarator_list:
2032 alias_abstract_declarator
6dc474b8 2033 { $$ = $1; }
e0c14875
MD		 2034 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2035 {
2036 $$ = $1;
2037 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2038 }
2039 ;
2040
2041alias_abstract_declarator:
2042 direct_alias_abstract_declarator
2043 { $$ = $1; }
2044 | pointer direct_alias_abstract_declarator
6dc474b8
MD		 2045 {
2046 $$ = $2;
48a01768 2047 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2048 }
8b9d5b5e
MD		 2049 ;
2050
e0c14875
MD		 2051direct_alias_abstract_declarator:
2052 /* empty */
6dc474b8
MD		 2053 {
2054 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
e0c14875
MD		 2055 $$->u.type_declarator.type = TYPEDEC_ID;
2056 /* id is NULL */
6dc474b8 2057 }
e0c14875 2058 | LPAREN alias_abstract_declarator RPAREN
6dc474b8
MD		 2059 {
2060 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2061 $$->u.type_declarator.type = TYPEDEC_NESTED;
2062 $$->u.type_declarator.u.nested.type_declarator = $2;
2063 }
7d4192cb 2064 | direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2065 {
2066 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2067 $$->u.type_declarator.type = TYPEDEC_NESTED;
2068 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2069 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2070 }
e0c14875
MD		 2071 | direct_alias_abstract_declarator LSBRAC RSBRAC
2072 {
2073 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2074 $$->u.type_declarator.type = TYPEDEC_NESTED;
2075 $$->u.type_declarator.u.nested.type_declarator = $1;
2076 $$->u.type_declarator.u.nested.abstract_array = 1;
2077 }
8b9d5b5e
MD		 2078 ;
2079
e0c14875
MD		 2080declarator:
2081 direct_declarator
6dc474b8 2082 { $$ = $1; }
e0c14875 2083 | pointer direct_declarator
6dc474b8
MD		 2084 {
2085 $$ = $2;
48a01768 2086 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2087 }
8b9d5b5e
MD		 2088 ;
2089
e0c14875 2090direct_declarator:
8b9d5b5e 2091 IDENTIFIER
6dc474b8 2092 {
6dc474b8
MD		 2093 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2094 $$->u.type_declarator.type = TYPEDEC_ID;
2095 $$->u.type_declarator.u.id = $1->s;
2096 }
e0c14875 2097 | LPAREN declarator RPAREN
6dc474b8
MD		 2098 {
2099 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2100 $$->u.type_declarator.type = TYPEDEC_NESTED;
2101 $$->u.type_declarator.u.nested.type_declarator = $2;
2102 }
7d4192cb 2103 | direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2104 {
2105 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2106 $$->u.type_declarator.type = TYPEDEC_NESTED;
2107 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2108 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2109 }
8b9d5b5e
MD		 2110 ;
2111
e0c14875
MD		 2112type_declarator:
2113 direct_type_declarator
6dc474b8 2114 { $$ = $1; }
e0c14875 2115 | pointer direct_type_declarator
6dc474b8
MD		 2116 {
2117 $$ = $2;
48a01768 2118 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2119 }
8b9d5b5e
MD		 2120 ;
2121
e0c14875
MD		 2122direct_type_declarator:
2123 IDENTIFIER
6dc474b8
MD		 2124 {
2125 add_type(scanner, $1);
2126 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2127 $$->u.type_declarator.type = TYPEDEC_ID;
2128 $$->u.type_declarator.u.id = $1->s;
2129 }
e0c14875 2130 | LPAREN type_declarator RPAREN
6dc474b8
MD		 2131 {
2132 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2133 $$->u.type_declarator.type = TYPEDEC_NESTED;
2134 $$->u.type_declarator.u.nested.type_declarator = $2;
2135 }
7d4192cb 2136 | direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2137 {
2138 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2139 $$->u.type_declarator.type = TYPEDEC_NESTED;
2140 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2141 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2142 }
8b9d5b5e
MD		 2143 ;
2144
2145pointer:
2146 STAR
48a01768
MD		 2147 {
2148 $$ = make_node(scanner, NODE_POINTER);
48a01768 2149 }
8b9d5b5e 2150 | STAR pointer
6dc474b8
MD		 2151 {
2152 $$ = make_node(scanner, NODE_POINTER);
48a01768 2153 cds_list_splice(&($2)->tmp_head, &($$)->tmp_head);
6dc474b8 2154 }
8b9d5b5e 2155 | STAR type_qualifier_list pointer
6dc474b8
MD		 2156 {
2157 $$ = make_node(scanner, NODE_POINTER);
2158 $$->u.pointer.const_qualifier = 1;
48a01768 2159 cds_list_splice(&($3)->tmp_head, &($$)->tmp_head);
6dc474b8 2160 }
8b9d5b5e
MD		 2161 ;
2162
2163type_qualifier_list:
6dc474b8 2164 /* pointer assumes only const type qualifier */
8b9d5b5e
MD		 2165 CONST
2166 | type_qualifier_list CONST
2167 ;
2168
2169/* 2.3: CTF-specific declarations */
2170
2171ctf_assignment_expression_list:
2172 ctf_assignment_expression SEMICOLON
0009a725 2173 { $$ = $1; }
8b9d5b5e 2174 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
6dc474b8
MD		 2175 {
2176 $$ = $1;
48a01768 2177 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8 2178 }
8b9d5b5e
MD		 2179 ;
2180
2181ctf_assignment_expression:
2182 unary_expression EQUAL unary_expression
02b234c4 2183 {
6dc474b8
MD		 2184 /*
2185 * Because we have left and right, cannot use
48a01768 2186 * set_parent_node.
6dc474b8 2187 */
02b234c4 2188 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2189 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2190 if ($1->u.unary_expression.type != UNARY_STRING)
2191 reparent_error(scanner, "ctf_assignment_expression left expects string");
48a01768 2192 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
02b234c4 2193 }
3e11b713 2194 | unary_expression TYPEASSIGN type_specifier /* Only allow struct */
6dc474b8 2195 {
3e11b713 2196 struct ctf_node *list;
6dc474b8
MD		 2197 /*
2198 * Because we have left and right, cannot use
48a01768 2199 * set_parent_node.
6dc474b8
MD		 2200 */
2201 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2202 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2203 if ($1->u.unary_expression.type != UNARY_STRING)
2204 reparent_error(scanner, "ctf_assignment_expression left expects string");
3e11b713
MD		 2205 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2206 cds_list_add_tail(&($3)->siblings, &list->u.type_specifier_list.head);
2207 cds_list_add_tail(&list->siblings, &($$)->u.ctf_expression.right);
6dc474b8 2208 }
8b9d5b5e 2209 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2210 {
3e11b713
MD		 2211 struct ctf_node *list;
2212
2213 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2214 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2215 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2216 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2217 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2218 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2219 }
8b9d5b5e 2220 | TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2221 {
3e11b713
MD		 2222 struct ctf_node *list;
2223
6dc474b8 2224 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 2225 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2226 $$->u._typedef.type_specifier_list = list;
2227 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2228 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2229 }
8b9d5b5e 2230 | declaration_specifiers TYPEDEF type_declarator_list
6dc474b8 2231 {
3e11b713
MD		 2232 struct ctf_node *list;
2233
2234 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2235 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2236 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2237 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2238 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2239 }
e0c14875 2240 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list
6dc474b8 2241 {
3e11b713
MD		 2242 struct ctf_node *list;
2243
6dc474b8
MD		 2244 $$ = make_node(scanner, NODE_TYPEALIAS);
2245 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2246 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 2247
2248 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2249 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2250 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2251 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 2252
2253 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2254 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2255 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2256 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 2257 }
8b9d5b5e 2258 ;
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