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strings: don't free, just realloc
[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);
61e9d0ce 55int yylex_destroy(yyscan_t yyscanner);
65102a8c 56void yyrestart(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 }
65102a8c
MD		 803 /* Start processing new stream */
804 yyrestart(input, scanner->scanner);
34d3acc4
MD		 805
806 scanner->ast = ctf_ast_alloc();
807 if (!scanner->ast)
808 goto cleanup_lexer;
809 init_scope(&scanner->root_scope, NULL);
19d96da7 810 scanner->cs = &scanner->root_scope;
34d3acc4
MD		 811 CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
812
65102a8c
MD		 813 if (yydebug)
814 fprintf(stdout, "Scanner input is a%s.\n",
815 isatty(fileno(input)) ? "n interactive tty" :
816 " noninteractive file");
817
34d3acc4
MD		 818 return scanner;
819
820cleanup_lexer:
821 ret = yylex_destroy(scanner->scanner);
822 if (!ret)
823 fprintf(stderr, "yylex_destroy error\n");
824cleanup_scanner:
825 free(scanner);
826 return NULL;
827}
828
829void ctf_scanner_free(struct ctf_scanner *scanner)
830{
831 int ret;
832
833 finalize_scope(&scanner->root_scope);
834 free_strings(&scanner->allocated_strings);
835 ctf_ast_free(scanner->ast);
836 ret = yylex_destroy(scanner->scanner);
837 if (ret)
838 fprintf(stderr, "yylex_destroy error\n");
839 free(scanner);
840}
8b9d5b5e
MD		 841
842%}
843
34d3acc4
MD		 844%define api.pure
845 /* %locations */
846%parse-param {struct ctf_scanner *scanner}
847%lex-param {struct ctf_scanner *scanner}
0fbb34a5
MD		 848/*
849 * Expect two shift-reduce conflicts. Caused by enum name-opt : type {}
850 * vs struct { int :value; } (unnamed bit-field). The default is to
851 * shift, so whenever we encounter an enumeration, we are doing the
852 * proper thing (shift). It is illegal to declare an enumeration
853 * "bit-field", so it is OK if this situation ends up in a parsing
854 * error.
855 */
856%expect 2
8b9d5b5e 857%start file
8b9d5b5e
MD		 858%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
859%token <gs> IDENTIFIER ID_TYPE
860%token ERROR
861%union
862{
863 long long ll;
864 char c;
865 struct gc_string *gs;
866 struct ctf_node *n;
867}
868
6dc474b8
MD		 869%type <gs> keywords
870%type <gs> s_char s_char_sequence c_char c_char_sequence
871
872%type <n> postfix_expression unary_expression unary_expression_or_range
873
874%type <n> declaration
02b234c4 875%type <n> event_declaration
6dc474b8
MD		 876%type <n> stream_declaration
877%type <n> trace_declaration
0fbb34a5 878%type <n> integer_declaration_specifiers
6dc474b8 879%type <n> declaration_specifiers
1ee8e81d 880%type <n> alias_declaration_specifiers
6dc474b8
MD		 881
882%type <n> type_declarator_list
0fbb34a5 883%type <n> integer_type_specifier
6dc474b8
MD		 884%type <n> type_specifier
885%type <n> struct_type_specifier
886%type <n> variant_type_specifier
7d4192cb 887%type <n> declaration_specifiers_or_integer_constant
6dc474b8
MD		 888%type <n> enum_type_specifier
889%type <n> struct_or_variant_declaration_list
890%type <n> struct_or_variant_declaration
6dc474b8
MD		 891%type <n> struct_or_variant_declarator_list
892%type <n> struct_or_variant_declarator
893%type <n> enumerator_list
894%type <n> enumerator
895%type <n> abstract_declarator_list
896%type <n> abstract_declarator
897%type <n> direct_abstract_declarator
e0c14875
MD		 898%type <n> alias_abstract_declarator_list
899%type <n> alias_abstract_declarator
900%type <n> direct_alias_abstract_declarator
6dc474b8
MD		 901%type <n> declarator
902%type <n> direct_declarator
903%type <n> type_declarator
904%type <n> direct_type_declarator
6dc474b8 905%type <n> pointer
02b234c4
MD		 906%type <n> ctf_assignment_expression_list
907%type <n> ctf_assignment_expression
908
8b9d5b5e
MD		 909%%
910
911file:
912 declaration
6dc474b8 913 {
48a01768 914 if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
6dc474b8
MD		 915 reparent_error(scanner, "error reparenting to root");
916 }
8b9d5b5e 917 | file declaration
6dc474b8 918 {
48a01768 919 if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
6dc474b8
MD		 920 reparent_error(scanner, "error reparenting to root");
921 }
8b9d5b5e
MD		 922 ;
923
924keywords:
925 VOID
6dc474b8 926 { $$ = yylval.gs; }
8b9d5b5e 927 | CHAR
6dc474b8 928 { $$ = yylval.gs; }
8b9d5b5e 929 | SHORT
6dc474b8 930 { $$ = yylval.gs; }
8b9d5b5e 931 | INT
6dc474b8 932 { $$ = yylval.gs; }
8b9d5b5e 933 | LONG
6dc474b8 934 { $$ = yylval.gs; }
8b9d5b5e 935 | FLOAT
6dc474b8 936 { $$ = yylval.gs; }
8b9d5b5e 937 | DOUBLE
6dc474b8 938 { $$ = yylval.gs; }
8b9d5b5e 939 | SIGNED
6dc474b8 940 { $$ = yylval.gs; }
8b9d5b5e 941 | UNSIGNED
6dc474b8 942 { $$ = yylval.gs; }
8b9d5b5e 943 | _BOOL
6dc474b8 944 { $$ = yylval.gs; }
8b9d5b5e 945 | _COMPLEX
6dc474b8 946 { $$ = yylval.gs; }
3888a159
MD		 947 | _IMAGINARY
948 { $$ = yylval.gs; }
8b9d5b5e 949 | FLOATING_POINT
6dc474b8 950 { $$ = yylval.gs; }
8b9d5b5e 951 | INTEGER
6dc474b8 952 { $$ = yylval.gs; }
8b9d5b5e 953 | STRING
6dc474b8 954 { $$ = yylval.gs; }
8b9d5b5e 955 | ENUM
6dc474b8 956 { $$ = yylval.gs; }
8b9d5b5e 957 | VARIANT
6dc474b8 958 { $$ = yylval.gs; }
8b9d5b5e 959 | STRUCT
6dc474b8 960 { $$ = yylval.gs; }
8b9d5b5e 961 | CONST
6dc474b8 962 { $$ = yylval.gs; }
8b9d5b5e 963 | TYPEDEF
6dc474b8 964 { $$ = yylval.gs; }
8b9d5b5e 965 | EVENT
6dc474b8 966 { $$ = yylval.gs; }
8b9d5b5e 967 | STREAM
6dc474b8 968 { $$ = yylval.gs; }
8b9d5b5e 969 | TRACE
6dc474b8 970 { $$ = yylval.gs; }
8b9d5b5e
MD		 971 ;
972
973/* 1.5 Constants */
974
975c_char_sequence:
976 c_char
6dc474b8 977 { $$ = $1; }
8b9d5b5e 978 | c_char_sequence c_char
6dc474b8 979 { $$ = gc_string_append(scanner, $1, $2); }
8b9d5b5e
MD		 980 ;
981
982c_char:
983 CHAR_STRING_TOKEN
6dc474b8 984 { $$ = yylval.gs; }
8b9d5b5e 985 | ESCSEQ
6dc474b8
MD		 986 {
987 reparent_error(scanner, "escape sequences not supported yet");
988 }
8b9d5b5e
MD		 989 ;
990
991/* 1.6 String literals */
992
993s_char_sequence:
994 s_char
6dc474b8 995 { $$ = $1; }
8b9d5b5e 996 | s_char_sequence s_char
6dc474b8 997 { $$ = gc_string_append(scanner, $1, $2); }
8b9d5b5e
MD		 998 ;
999
1000s_char:
1001 CHAR_STRING_TOKEN
6dc474b8 1002 { $$ = yylval.gs; }
8b9d5b5e 1003 | ESCSEQ
6dc474b8
MD		 1004 {
1005 reparent_error(scanner, "escape sequences not supported yet");
1006 }
8b9d5b5e
MD		 1007 ;
1008
1009/* 2: Phrase structure grammar */
1010
1011postfix_expression:
1012 IDENTIFIER
6dc474b8
MD		 1013 {
1014 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1015 $$->u.unary_expression.type = UNARY_STRING;
1016 $$->u.unary_expression.u.string = yylval.gs->s;
1017 }
8b9d5b5e 1018 | ID_TYPE
6dc474b8
MD		 1019 {
1020 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1021 $$->u.unary_expression.type = UNARY_STRING;
1022 $$->u.unary_expression.u.string = yylval.gs->s;
1023 }
8b9d5b5e 1024 | keywords
6dc474b8
MD		 1025 {
1026 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1027 $$->u.unary_expression.type = UNARY_STRING;
1028 $$->u.unary_expression.u.string = yylval.gs->s;
1029 }
8b9d5b5e 1030 | DECIMAL_CONSTANT
6dc474b8
MD		 1031 {
1032 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1033 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1034 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1035 &$$->u.unary_expression.u.unsigned_constant);
1036 }
8b9d5b5e 1037 | OCTAL_CONSTANT
6dc474b8
MD		 1038 {
1039 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1040 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1041 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1042 &$$->u.unary_expression.u.unsigned_constant);
1043 }
8b9d5b5e 1044 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1045 {
1046 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1047 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1048 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1049 &$$->u.unary_expression.u.unsigned_constant);
1050 }
8b9d5b5e 1051 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 1052 {
1053 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1054 $$->u.unary_expression.type = UNARY_STRING;
1055 $$->u.unary_expression.u.string = "";
1056 }
8b9d5b5e 1057 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 1058 {
1059 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1060 $$->u.unary_expression.type = UNARY_STRING;
1061 $$->u.unary_expression.u.string = $2->s;
1062 }
8b9d5b5e 1063 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
6dc474b8
MD		 1064 {
1065 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1066 $$->u.unary_expression.type = UNARY_STRING;
1067 $$->u.unary_expression.u.string = $2->s;
1068 }
8b9d5b5e 1069 | LPAREN unary_expression RPAREN
6dc474b8 1070 {
48a01768
MD		 1071 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1072 $$->u.unary_expression.type = UNARY_NESTED;
1073 $$->u.unary_expression.u.nested_exp = $2;
6dc474b8 1074 }
8b9d5b5e 1075 | postfix_expression LSBRAC unary_expression RSBRAC
6dc474b8
MD		 1076 {
1077 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1078 $$->u.unary_expression.type = UNARY_SBRAC;
1079 $$->u.unary_expression.u.sbrac_exp = $3;
48a01768
MD		 1080 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1081 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1082 }
8b9d5b5e 1083 | postfix_expression DOT IDENTIFIER
6dc474b8
MD		 1084 {
1085 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1086 $$->u.unary_expression.type = UNARY_STRING;
1087 $$->u.unary_expression.u.string = yylval.gs->s;
1088 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1089 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1090 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1091 }
8b9d5b5e 1092 | postfix_expression DOT ID_TYPE
6dc474b8
MD		 1093 {
1094 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1095 $$->u.unary_expression.type = UNARY_STRING;
1096 $$->u.unary_expression.u.string = yylval.gs->s;
1097 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1098 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1099 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1100 }
8b9d5b5e 1101 | postfix_expression RARROW IDENTIFIER
6dc474b8
MD		 1102 {
1103 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1104 $$->u.unary_expression.type = UNARY_STRING;
1105 $$->u.unary_expression.u.string = yylval.gs->s;
1106 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1107 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1108 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1109 }
8b9d5b5e 1110 | postfix_expression RARROW ID_TYPE
6dc474b8
MD		 1111 {
1112 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1113 $$->u.unary_expression.type = UNARY_STRING;
1114 $$->u.unary_expression.u.string = yylval.gs->s;
1115 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1116 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1117 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1118 }
8b9d5b5e
MD		 1119 ;
1120
1121unary_expression:
1122 postfix_expression
6dc474b8 1123 { $$ = $1; }
8b9d5b5e 1124 | PLUS postfix_expression
6dc474b8 1125 { $$ = $2; }
8b9d5b5e 1126 | MINUS postfix_expression
6dc474b8
MD		 1127 {
1128 $$ = $2;
1129 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1130 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1131 reparent_error(scanner, "expecting numeric constant");
1132
1133 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1134 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1135 $$->u.unary_expression.u.signed_constant =
1136 -($$->u.unary_expression.u.unsigned_constant);
1137 } else {
1138 $$->u.unary_expression.u.signed_constant =
1139 -($$->u.unary_expression.u.signed_constant);
1140 }
1141 }
8b9d5b5e
MD		 1142 ;
1143
1144unary_expression_or_range:
1145 unary_expression DOTDOTDOT unary_expression
6dc474b8
MD		 1146 {
1147 $$ = $1;
48a01768
MD		 1148 _cds_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1149 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
6dc474b8 1150 }
8b9d5b5e 1151 | unary_expression
6dc474b8 1152 { $$ = $1; }
8b9d5b5e
MD		 1153 ;
1154
1155/* 2.2: Declarations */
1156
1157declaration:
1158 declaration_specifiers SEMICOLON
6dc474b8 1159 { $$ = $1; }
8b9d5b5e 1160 | event_declaration
6dc474b8 1161 { $$ = $1; }
8b9d5b5e 1162 | stream_declaration
6dc474b8 1163 { $$ = $1; }
8b9d5b5e 1164 | trace_declaration
6dc474b8 1165 { $$ = $1; }
8b9d5b5e 1166 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1167 {
3e11b713
MD		 1168 struct ctf_node *list;
1169
6dc474b8 1170 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1171 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1172 $$->u._typedef.type_specifier_list = list;
1173 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1174 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1175 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1176 }
8b9d5b5e 1177 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1178 {
3e11b713
MD		 1179 struct ctf_node *list;
1180
6dc474b8 1181 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1182 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1183 $$->u._typedef.type_specifier_list = list;
1184 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1185 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1186 }
8b9d5b5e 1187 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1188 {
3e11b713
MD		 1189 struct ctf_node *list;
1190
6dc474b8 1191 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1192 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1193 $$->u._typedef.type_specifier_list = list;
1194 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1195 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1196 }
a030d084 1197 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1198 {
3e11b713
MD		 1199 struct ctf_node *list;
1200
6dc474b8
MD		 1201 $$ = make_node(scanner, NODE_TYPEALIAS);
1202 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1203 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1204
1205 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1206 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1207 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1208 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1209
1210 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1211 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1212 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1213 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1214 }
8b9d5b5e
MD		 1215 ;
1216
1217event_declaration:
1218 event_declaration_begin event_declaration_end
48a01768
MD		 1219 {
1220 $$ = make_node(scanner, NODE_EVENT);
48a01768 1221 }
8b9d5b5e 1222 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
02b234c4
MD		 1223 {
1224 $$ = make_node(scanner, NODE_EVENT);
48a01768 1225 if (set_parent_node($2, $$))
6dc474b8 1226 reparent_error(scanner, "event_declaration");
02b234c4 1227 }
8b9d5b5e
MD		 1228 ;
1229
1230event_declaration_begin:
1231 EVENT LBRAC
fce8006d 1232 { push_scope(scanner); }
8b9d5b5e
MD		 1233 ;
1234
1235event_declaration_end:
1236 RBRAC SEMICOLON
fce8006d 1237 { pop_scope(scanner); }
8b9d5b5e
MD		 1238 ;
1239
1240
1241stream_declaration:
1242 stream_declaration_begin stream_declaration_end
48a01768
MD		 1243 {
1244 $$ = make_node(scanner, NODE_STREAM);
48a01768 1245 }
8b9d5b5e 1246 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
6dc474b8
MD		 1247 {
1248 $$ = make_node(scanner, NODE_STREAM);
48a01768 1249 if (set_parent_node($2, $$))
6dc474b8
MD		 1250 reparent_error(scanner, "stream_declaration");
1251 }
8b9d5b5e
MD		 1252 ;
1253
1254stream_declaration_begin:
1255 STREAM LBRAC
fce8006d 1256 { push_scope(scanner); }
8b9d5b5e
MD		 1257 ;
1258
1259stream_declaration_end:
1260 RBRAC SEMICOLON
fce8006d 1261 { pop_scope(scanner); }
8b9d5b5e
MD		 1262 ;
1263
1264
1265trace_declaration:
1266 trace_declaration_begin trace_declaration_end
48a01768
MD		 1267 {
1268 $$ = make_node(scanner, NODE_TRACE);
48a01768 1269 }
8b9d5b5e 1270 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
6dc474b8
MD		 1271 {
1272 $$ = make_node(scanner, NODE_TRACE);
48a01768 1273 if (set_parent_node($2, $$))
6dc474b8
MD		 1274 reparent_error(scanner, "trace_declaration");
1275 }
8b9d5b5e
MD		 1276 ;
1277
1278trace_declaration_begin:
1279 TRACE LBRAC
fce8006d 1280 { push_scope(scanner); }
8b9d5b5e
MD		 1281 ;
1282
1283trace_declaration_end:
1284 RBRAC SEMICOLON
fce8006d 1285 { pop_scope(scanner); }
8b9d5b5e
MD		 1286 ;
1287
0fbb34a5
MD		 1288integer_declaration_specifiers:
1289 CONST
1290 {
1291 struct ctf_node *node;
1292
1293 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1294 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1295 node->u.type_specifier.type = TYPESPEC_CONST;
1296 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1297 }
1298 | integer_type_specifier
1299 {
1300 struct ctf_node *node;
1301
1302 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1303 node = $1;
1304 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1305 }
1306 | integer_declaration_specifiers CONST
1307 {
1308 struct ctf_node *node;
1309
1310 $$ = $1;
1311 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1312 node->u.type_specifier.type = TYPESPEC_CONST;
1313 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1314 }
1315 | integer_declaration_specifiers integer_type_specifier
1316 {
1317 $$ = $1;
1318 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1319 }
1320 ;
1321
8b9d5b5e
MD		 1322declaration_specifiers:
1323 CONST
6dc474b8 1324 {
3e11b713
MD		 1325 struct ctf_node *node;
1326
1327 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1328 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1329 node->u.type_specifier.type = TYPESPEC_CONST;
1330 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1331 }
8b9d5b5e 1332 | type_specifier
3e11b713
MD		 1333 {
1334 struct ctf_node *node;
1335
1336 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1337 node = $1;
1338 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1339 }
8b9d5b5e 1340 | declaration_specifiers CONST
6dc474b8
MD		 1341 {
1342 struct ctf_node *node;
1343
48a01768 1344 $$ = $1;
6dc474b8
MD		 1345 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1346 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1347 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1348 }
8b9d5b5e 1349 | declaration_specifiers type_specifier
6dc474b8
MD		 1350 {
1351 $$ = $1;
3e11b713 1352 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1353 }
8b9d5b5e
MD		 1354 ;
1355
1356type_declarator_list:
1357 type_declarator
0009a725 1358 { $$ = $1; }
8b9d5b5e 1359 | type_declarator_list COMMA type_declarator
6dc474b8
MD		 1360 {
1361 $$ = $1;
48a01768 1362 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1363 }
8b9d5b5e
MD		 1364 ;
1365
0fbb34a5
MD		 1366integer_type_specifier:
1367 CHAR
1368 {
1369 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1370 $$->u.type_specifier.type = TYPESPEC_CHAR;
1371 }
1372 | SHORT
1373 {
1374 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1375 $$->u.type_specifier.type = TYPESPEC_SHORT;
1376 }
1377 | INT
1378 {
1379 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1380 $$->u.type_specifier.type = TYPESPEC_INT;
1381 }
1382 | LONG
1383 {
1384 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1385 $$->u.type_specifier.type = TYPESPEC_LONG;
1386 }
1387 | SIGNED
1388 {
1389 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1390 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1391 }
1392 | UNSIGNED
1393 {
1394 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1395 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1396 }
1397 | _BOOL
1398 {
1399 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1400 $$->u.type_specifier.type = TYPESPEC_BOOL;
1401 }
1402 | ID_TYPE
1403 {
1404 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1405 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1406 $$->u.type_specifier.id_type = yylval.gs->s;
1407 }
1408 | INTEGER LBRAC RBRAC
1409 {
1410 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1411 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1412 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1413 }
1414 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1415 {
1416 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1417 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1418 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1419 if (set_parent_node($3, $$->u.type_specifier.node))
1420 reparent_error(scanner, "integer reparent error");
1421 }
1422 ;
1423
8b9d5b5e
MD		 1424type_specifier:
1425 VOID
6dc474b8
MD		 1426 {
1427 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1428 $$->u.type_specifier.type = TYPESPEC_VOID;
1429 }
8b9d5b5e 1430 | CHAR
6dc474b8
MD		 1431 {
1432 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1433 $$->u.type_specifier.type = TYPESPEC_CHAR;
1434 }
8b9d5b5e 1435 | SHORT
6dc474b8
MD		 1436 {
1437 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1438 $$->u.type_specifier.type = TYPESPEC_SHORT;
1439 }
8b9d5b5e 1440 | INT
6dc474b8
MD		 1441 {
1442 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1443 $$->u.type_specifier.type = TYPESPEC_INT;
1444 }
8b9d5b5e 1445 | LONG
6dc474b8
MD		 1446 {
1447 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1448 $$->u.type_specifier.type = TYPESPEC_LONG;
1449 }
8b9d5b5e 1450 | FLOAT
6dc474b8
MD		 1451 {
1452 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1453 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1454 }
8b9d5b5e 1455 | DOUBLE
6dc474b8
MD		 1456 {
1457 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1458 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1459 }
8b9d5b5e 1460 | SIGNED
6dc474b8
MD		 1461 {
1462 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1463 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1464 }
8b9d5b5e 1465 | UNSIGNED
6dc474b8
MD		 1466 {
1467 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1468 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1469 }
8b9d5b5e 1470 | _BOOL
6dc474b8
MD		 1471 {
1472 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1473 $$->u.type_specifier.type = TYPESPEC_BOOL;
1474 }
8b9d5b5e 1475 | _COMPLEX
6dc474b8
MD		 1476 {
1477 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1478 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1479 }
3888a159
MD		 1480 | _IMAGINARY
1481 {
1482 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1483 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1484 }
8b9d5b5e 1485 | ID_TYPE
6dc474b8
MD		 1486 {
1487 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1488 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1489 $$->u.type_specifier.id_type = yylval.gs->s;
1490 }
8b9d5b5e 1491 | FLOATING_POINT LBRAC RBRAC
6dc474b8 1492 {
3e11b713
MD		 1493 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1494 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1495 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
6dc474b8 1496 }
8b9d5b5e 1497 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1498 {
3e11b713
MD		 1499 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1500 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1501 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1502 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1503 reparent_error(scanner, "floating point reparent error");
1504 }
8b9d5b5e 1505 | INTEGER LBRAC RBRAC
6dc474b8 1506 {
3e11b713
MD		 1507 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1508 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1509 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
6dc474b8 1510 }
8b9d5b5e 1511 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1512 {
3e11b713
MD		 1513 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1514 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1515 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1516 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1517 reparent_error(scanner, "integer reparent error");
1518 }
8b9d5b5e 1519 | STRING LBRAC RBRAC
6dc474b8 1520 {
3e11b713
MD		 1521 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1522 $$->u.type_specifier.type = TYPESPEC_STRING;
1523 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
6dc474b8 1524 }
8b9d5b5e 1525 | STRING LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1526 {
3e11b713
MD		 1527 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1528 $$->u.type_specifier.type = TYPESPEC_STRING;
1529 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1530 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1531 reparent_error(scanner, "string reparent error");
1532 }
8b9d5b5e 1533 | ENUM enum_type_specifier
3e11b713
MD		 1534 {
1535 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1536 $$->u.type_specifier.type = TYPESPEC_ENUM;
1537 $$->u.type_specifier.node = $2;
1538 }
8b9d5b5e 1539 | VARIANT variant_type_specifier
3e11b713
MD		 1540 {
1541 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1542 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1543 $$->u.type_specifier.node = $2;
3e11b713 1544 }
8b9d5b5e 1545 | STRUCT struct_type_specifier
3e11b713
MD		 1546 {
1547 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1548 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1549 $$->u.type_specifier.node = $2;
3e11b713 1550 }
8b9d5b5e
MD		 1551 ;
1552
1553struct_type_specifier:
1554 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1555 {
1556 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1557 $$->u._struct.has_body = 1;
5039b4cc 1558 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1559 reparent_error(scanner, "struct reparent error");
1560 }
8b9d5b5e 1561 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1562 {
1563 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1564 $$->u._struct.has_body = 1;
6dc474b8 1565 $$->u._struct.name = $1->s;
5039b4cc 1566 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1567 reparent_error(scanner, "struct reparent error");
1568 }
8b9d5b5e 1569 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1570 {
1571 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1572 $$->u._struct.has_body = 1;
6dc474b8 1573 $$->u._struct.name = $1->s;
5039b4cc 1574 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1575 reparent_error(scanner, "struct reparent error");
1576 }
8b9d5b5e 1577 | IDENTIFIER
6dc474b8
MD		 1578 {
1579 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1580 $$->u._struct.has_body = 0;
6dc474b8
MD		 1581 $$->u._struct.name = $1->s;
1582 }
8b9d5b5e 1583 | ID_TYPE
6dc474b8
MD		 1584 {
1585 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1586 $$->u._struct.has_body = 0;
6dc474b8
MD		 1587 $$->u._struct.name = $1->s;
1588 }
8b9d5b5e
MD		 1589 ;
1590
1591struct_declaration_begin:
1592 LBRAC
fce8006d 1593 { push_scope(scanner); }
8b9d5b5e
MD		 1594 ;
1595
1596struct_declaration_end:
1597 RBRAC
fce8006d 1598 { pop_scope(scanner); }
8b9d5b5e
MD		 1599 ;
1600
1601variant_type_specifier:
1602 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1603 {
1604 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1605 $$->u.variant.has_body = 1;
5039b4cc 1606 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1607 reparent_error(scanner, "variant reparent error");
1608 }
8b9d5b5e 1609 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1610 {
1611 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1612 $$->u.variant.has_body = 1;
6dc474b8 1613 $$->u.variant.choice = $2->s;
5039b4cc 1614 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1615 reparent_error(scanner, "variant reparent error");
1616 }
8b9d5b5e 1617 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1618 {
1619 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1620 $$->u.variant.has_body = 1;
6dc474b8 1621 $$->u.variant.choice = $2->s;
5039b4cc 1622 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1623 reparent_error(scanner, "variant reparent error");
1624 }
8b9d5b5e 1625 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1626 {
1627 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1628 $$->u.variant.has_body = 1;
6dc474b8 1629 $$->u.variant.name = $1->s;
5039b4cc 1630 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1631 reparent_error(scanner, "variant reparent error");
1632 }
8b9d5b5e 1633 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1634 {
1635 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1636 $$->u.variant.has_body = 1;
6dc474b8
MD		 1637 $$->u.variant.name = $1->s;
1638 $$->u.variant.choice = $3->s;
5039b4cc 1639 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1640 reparent_error(scanner, "variant reparent error");
1641 }
8b9d5b5e 1642 | IDENTIFIER LT IDENTIFIER GT
6dc474b8
MD		 1643 {
1644 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1645 $$->u.variant.has_body = 0;
6dc474b8
MD		 1646 $$->u.variant.name = $1->s;
1647 $$->u.variant.choice = $3->s;
1648 }
8b9d5b5e 1649 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1650 {
1651 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1652 $$->u.variant.has_body = 1;
6dc474b8
MD		 1653 $$->u.variant.name = $1->s;
1654 $$->u.variant.choice = $3->s;
5039b4cc 1655 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1656 reparent_error(scanner, "variant reparent error");
1657 }
8b9d5b5e 1658 | IDENTIFIER LT ID_TYPE GT
6dc474b8
MD		 1659 {
1660 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1661 $$->u.variant.has_body = 0;
6dc474b8
MD		 1662 $$->u.variant.name = $1->s;
1663 $$->u.variant.choice = $3->s;
1664 }
8b9d5b5e 1665 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1666 {
1667 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1668 $$->u.variant.has_body = 1;
6dc474b8 1669 $$->u.variant.name = $1->s;
5039b4cc 1670 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1671 reparent_error(scanner, "variant reparent error");
1672 }
8b9d5b5e 1673 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1674 {
1675 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1676 $$->u.variant.has_body = 1;
6dc474b8
MD		 1677 $$->u.variant.name = $1->s;
1678 $$->u.variant.choice = $3->s;
5039b4cc 1679 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1680 reparent_error(scanner, "variant reparent error");
1681 }
8b9d5b5e 1682 | ID_TYPE LT IDENTIFIER GT
6dc474b8
MD		 1683 {
1684 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1685 $$->u.variant.has_body = 0;
6dc474b8
MD		 1686 $$->u.variant.name = $1->s;
1687 $$->u.variant.choice = $3->s;
1688 }
8b9d5b5e 1689 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1690 {
1691 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1692 $$->u.variant.has_body = 1;
6dc474b8
MD		 1693 $$->u.variant.name = $1->s;
1694 $$->u.variant.choice = $3->s;
5039b4cc 1695 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1696 reparent_error(scanner, "variant reparent error");
1697 }
8b9d5b5e 1698 | ID_TYPE LT ID_TYPE GT
6dc474b8
MD		 1699 {
1700 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1701 $$->u.variant.has_body = 0;
6dc474b8
MD		 1702 $$->u.variant.name = $1->s;
1703 $$->u.variant.choice = $3->s;
1704 }
8b9d5b5e
MD		 1705 ;
1706
1707variant_declaration_begin:
1708 LBRAC
fce8006d 1709 { push_scope(scanner); }
8b9d5b5e
MD		 1710 ;
1711
1712variant_declaration_end:
1713 RBRAC
fce8006d 1714 { pop_scope(scanner); }
8b9d5b5e
MD		 1715 ;
1716
7d4192cb 1717declaration_specifiers_or_integer_constant:
8b9d5b5e 1718 declaration_specifiers
6dc474b8 1719 { $$ = $1; }
8b9d5b5e 1720 | DECIMAL_CONSTANT
6dc474b8
MD		 1721 {
1722 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1723 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1724 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1725 &$$->u.unary_expression.u.unsigned_constant);
1726 }
8b9d5b5e 1727 | OCTAL_CONSTANT
6dc474b8
MD		 1728 {
1729 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1730 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1731 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1732 &$$->u.unary_expression.u.unsigned_constant);
1733 }
8b9d5b5e 1734 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1735 {
1736 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1737 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1738 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1739 &$$->u.unary_expression.u.unsigned_constant);
1740 }
8b9d5b5e
MD		 1741 ;
1742
1743enum_type_specifier:
1744 LBRAC enumerator_list RBRAC
6dc474b8
MD		 1745 {
1746 $$ = make_node(scanner, NODE_ENUM);
add40b62 1747 $$->u._enum.has_body = 1;
48a01768 1748 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1749 }
0fbb34a5 1750 | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1751 {
1752 $$ = make_node(scanner, NODE_ENUM);
add40b62 1753 $$->u._enum.has_body = 1;
3e11b713 1754 ($$)->u._enum.container_type = $2;
0fbb34a5 1755 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1756 }
8b9d5b5e 1757 | IDENTIFIER LBRAC enumerator_list RBRAC
6dc474b8
MD		 1758 {
1759 $$ = make_node(scanner, NODE_ENUM);
add40b62 1760 $$->u._enum.has_body = 1;
6dc474b8 1761 $$->u._enum.enum_id = $1->s;
48a01768 1762 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1763 }
0fbb34a5 1764 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1765 {
1766 $$ = make_node(scanner, NODE_ENUM);
add40b62 1767 $$->u._enum.has_body = 1;
6dc474b8 1768 $$->u._enum.enum_id = $1->s;
3e11b713 1769 ($$)->u._enum.container_type = $3;
0fbb34a5 1770 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1771 }
8b9d5b5e 1772 | ID_TYPE LBRAC enumerator_list RBRAC
6dc474b8
MD		 1773 {
1774 $$ = make_node(scanner, NODE_ENUM);
add40b62 1775 $$->u._enum.has_body = 1;
6dc474b8 1776 $$->u._enum.enum_id = $1->s;
48a01768 1777 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1778 }
0fbb34a5 1779 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1780 {
1781 $$ = make_node(scanner, NODE_ENUM);
add40b62 1782 $$->u._enum.has_body = 1;
6dc474b8 1783 $$->u._enum.enum_id = $1->s;
3e11b713 1784 ($$)->u._enum.container_type = $3;
0fbb34a5 1785 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1786 }
8b9d5b5e 1787 | LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1788 {
1789 $$ = make_node(scanner, NODE_ENUM);
add40b62 1790 $$->u._enum.has_body = 1;
48a01768 1791 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1792 }
0fbb34a5 1793 | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1794 {
1795 $$ = make_node(scanner, NODE_ENUM);
add40b62 1796 $$->u._enum.has_body = 1;
3e11b713 1797 ($$)->u._enum.container_type = $2;
0fbb34a5 1798 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1799 }
8b9d5b5e 1800 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1801 {
1802 $$ = make_node(scanner, NODE_ENUM);
add40b62 1803 $$->u._enum.has_body = 1;
6dc474b8 1804 $$->u._enum.enum_id = $1->s;
48a01768 1805 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1806 }
0fbb34a5 1807 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1808 {
1809 $$ = make_node(scanner, NODE_ENUM);
add40b62 1810 $$->u._enum.has_body = 1;
6dc474b8 1811 $$->u._enum.enum_id = $1->s;
3e11b713 1812 ($$)->u._enum.container_type = $3;
0fbb34a5 1813 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1814 }
8b9d5b5e 1815 | IDENTIFIER
6dc474b8
MD		 1816 {
1817 $$ = make_node(scanner, NODE_ENUM);
add40b62 1818 $$->u._enum.has_body = 0;
6dc474b8
MD		 1819 $$->u._enum.enum_id = $1->s;
1820 }
8b9d5b5e 1821 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1822 {
1823 $$ = make_node(scanner, NODE_ENUM);
add40b62 1824 $$->u._enum.has_body = 1;
6dc474b8 1825 $$->u._enum.enum_id = $1->s;
48a01768 1826 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1827 }
0fbb34a5 1828 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1829 {
1830 $$ = make_node(scanner, NODE_ENUM);
add40b62 1831 $$->u._enum.has_body = 1;
6dc474b8 1832 $$->u._enum.enum_id = $1->s;
3e11b713 1833 ($$)->u._enum.container_type = $3;
0fbb34a5 1834 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1835 }
8b9d5b5e 1836 | ID_TYPE
6dc474b8
MD		 1837 {
1838 $$ = make_node(scanner, NODE_ENUM);
add40b62 1839 $$->u._enum.has_body = 0;
6dc474b8
MD		 1840 $$->u._enum.enum_id = $1->s;
1841 }
8b9d5b5e
MD		 1842 ;
1843
1844struct_or_variant_declaration_list:
1845 /* empty */
6dc474b8 1846 { $$ = NULL; }
8b9d5b5e 1847 | struct_or_variant_declaration_list struct_or_variant_declaration
6dc474b8
MD		 1848 {
1849 if ($1) {
1850 $$ = $1;
48a01768 1851 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1852 } else {
1853 $$ = $2;
48a01768 1854 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1855 }
1856 }
8b9d5b5e
MD		 1857 ;
1858
1859struct_or_variant_declaration:
1ee8e81d 1860 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
6dc474b8 1861 {
3e11b713
MD		 1862 struct ctf_node *list;
1863
1864 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1865 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1866 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
3e11b713 1867 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1868 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
6dc474b8 1869 }
1ee8e81d 1870 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1871 {
3e11b713
MD		 1872 struct ctf_node *list;
1873
6dc474b8 1874 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1875 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1876 $$->u._typedef.type_specifier_list = list;
1877 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1878 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1879 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1880 }
1ee8e81d 1881 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1882 {
3e11b713
MD		 1883 struct ctf_node *list;
1884
6dc474b8 1885 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1886 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1887 $$->u._typedef.type_specifier_list = list;
1888 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1889 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1890 }
1ee8e81d 1891 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1892 {
3e11b713
MD		 1893 struct ctf_node *list;
1894
1895 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1896 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1897 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 1898 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1899 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1900 }
a030d084 1901 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1902 {
3e11b713
MD		 1903 struct ctf_node *list;
1904
6dc474b8
MD		 1905 $$ = make_node(scanner, NODE_TYPEALIAS);
1906 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1907 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1908
1909 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1910 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1911 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1912 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1913
1914 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1915 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1916 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1917 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1918 }
8b9d5b5e
MD		 1919 ;
1920
1ee8e81d 1921alias_declaration_specifiers:
8b9d5b5e 1922 CONST
6dc474b8 1923 {
3e11b713
MD		 1924 struct ctf_node *node;
1925
1926 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1927 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1928 node->u.type_specifier.type = TYPESPEC_CONST;
1929 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1930 }
8b9d5b5e 1931 | type_specifier
3e11b713
MD		 1932 {
1933 struct ctf_node *node;
1934
1935 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1936 node = $1;
1937 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1938 }
1ee8e81d
MD		 1939 | IDENTIFIER
1940 {
3e11b713
MD		 1941 struct ctf_node *node;
1942
1ee8e81d 1943 add_type(scanner, $1);
3e11b713
MD		 1944 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1945 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1946 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1947 node->u.type_specifier.id_type = yylval.gs->s;
1948 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d
MD		 1949 }
1950 | alias_declaration_specifiers CONST
6dc474b8
MD		 1951 {
1952 struct ctf_node *node;
1953
1954 $$ = $1;
1955 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1956 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1957 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1958 }
1ee8e81d 1959 | alias_declaration_specifiers type_specifier
6dc474b8
MD		 1960 {
1961 $$ = $1;
3e11b713 1962 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1963 }
1ee8e81d
MD		 1964 | alias_declaration_specifiers IDENTIFIER
1965 {
1966 struct ctf_node *node;
1967
1968 add_type(scanner, $2);
1969 $$ = $1;
1970 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1971 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1972 node->u.type_specifier.id_type = yylval.gs->s;
3e11b713 1973 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d 1974 }
8b9d5b5e
MD		 1975 ;
1976
1977struct_or_variant_declarator_list:
1978 struct_or_variant_declarator
0009a725 1979 { $$ = $1; }
8b9d5b5e 1980 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
6dc474b8
MD		 1981 {
1982 $$ = $1;
48a01768 1983 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1984 }
8b9d5b5e
MD		 1985 ;
1986
1987struct_or_variant_declarator:
1988 declarator
6dc474b8 1989 { $$ = $1; }
8b9d5b5e 1990 | COLON unary_expression
6dc474b8 1991 { $$ = $2; }
8b9d5b5e 1992 | declarator COLON unary_expression
6dc474b8
MD		 1993 {
1994 $$ = $1;
48a01768 1995 if (set_parent_node($3, $1))
6dc474b8
MD		 1996 reparent_error(scanner, "struct_or_variant_declarator");
1997 }
8b9d5b5e
MD		 1998 ;
1999
2000enumerator_list:
2001 enumerator
0009a725 2002 { $$ = $1; }
8b9d5b5e 2003 | enumerator_list COMMA enumerator
6dc474b8
MD		 2004 {
2005 $$ = $1;
48a01768 2006 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 2007 }
8b9d5b5e
MD		 2008 ;
2009
2010enumerator:
2011 IDENTIFIER
6dc474b8
MD		 2012 {
2013 $$ = make_node(scanner, NODE_ENUMERATOR);
2014 $$->u.enumerator.id = $1->s;
2015 }
8b9d5b5e 2016 | ID_TYPE
6dc474b8
MD		 2017 {
2018 $$ = make_node(scanner, NODE_ENUMERATOR);
2019 $$->u.enumerator.id = $1->s;
2020 }
8b9d5b5e 2021 | keywords
6dc474b8
MD		 2022 {
2023 $$ = make_node(scanner, NODE_ENUMERATOR);
2024 $$->u.enumerator.id = $1->s;
2025 }
8b9d5b5e 2026 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 2027 {
2028 $$ = make_node(scanner, NODE_ENUMERATOR);
2029 $$->u.enumerator.id = "";
2030 }
8b9d5b5e 2031 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 2032 {
2033 $$ = make_node(scanner, NODE_ENUMERATOR);
2034 $$->u.enumerator.id = $2->s;
2035 }
8b9d5b5e 2036 | IDENTIFIER EQUAL unary_expression_or_range
6dc474b8
MD		 2037 {
2038 $$ = make_node(scanner, NODE_ENUMERATOR);
2039 $$->u.enumerator.id = $1->s;
48a01768 2040 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2041 }
8b9d5b5e 2042 | ID_TYPE EQUAL unary_expression_or_range
6dc474b8
MD		 2043 {
2044 $$ = make_node(scanner, NODE_ENUMERATOR);
2045 $$->u.enumerator.id = $1->s;
48a01768 2046 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2047 }
8b9d5b5e 2048 | keywords EQUAL unary_expression_or_range
6dc474b8
MD		 2049 {
2050 $$ = make_node(scanner, NODE_ENUMERATOR);
2051 $$->u.enumerator.id = $1->s;
48a01768 2052 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2053 }
8b9d5b5e 2054 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 2055 {
2056 $$ = make_node(scanner, NODE_ENUMERATOR);
2057 $$->u.enumerator.id = "";
48a01768 2058 cds_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2059 }
8b9d5b5e 2060 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 2061 {
2062 $$ = make_node(scanner, NODE_ENUMERATOR);
2063 $$->u.enumerator.id = $2->s;
48a01768 2064 cds_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2065 }
8b9d5b5e
MD		 2066 ;
2067
2068abstract_declarator_list:
2069 abstract_declarator
0009a725 2070 { $$ = $1; }
8b9d5b5e 2071 | abstract_declarator_list COMMA abstract_declarator
6dc474b8
MD		 2072 {
2073 $$ = $1;
48a01768 2074 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 2075 }
8b9d5b5e
MD		 2076 ;
2077
2078abstract_declarator:
2079 direct_abstract_declarator
6dc474b8 2080 { $$ = $1; }
8b9d5b5e 2081 | pointer direct_abstract_declarator
6dc474b8
MD		 2082 {
2083 $$ = $2;
48a01768 2084 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2085 }
8b9d5b5e
MD		 2086 ;
2087
2088direct_abstract_declarator:
2089 /* empty */
6dc474b8
MD		 2090 {
2091 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2092 $$->u.type_declarator.type = TYPEDEC_ID;
2093 /* id is NULL */
2094 }
8b9d5b5e 2095 | IDENTIFIER
6dc474b8
MD		 2096 {
2097 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2098 $$->u.type_declarator.type = TYPEDEC_ID;
2099 $$->u.type_declarator.u.id = $1->s;
2100 }
8b9d5b5e 2101 | LPAREN abstract_declarator RPAREN
6dc474b8
MD		 2102 {
2103 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2104 $$->u.type_declarator.type = TYPEDEC_NESTED;
2105 $$->u.type_declarator.u.nested.type_declarator = $2;
2106 }
7d4192cb 2107 | direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2108 {
2109 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2110 $$->u.type_declarator.type = TYPEDEC_NESTED;
2111 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2112 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2113 }
8b9d5b5e 2114 | direct_abstract_declarator LSBRAC RSBRAC
6dc474b8
MD		 2115 {
2116 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2117 $$->u.type_declarator.type = TYPEDEC_NESTED;
2118 $$->u.type_declarator.u.nested.type_declarator = $1;
2119 $$->u.type_declarator.u.nested.abstract_array = 1;
2120 }
8b9d5b5e
MD		 2121 ;
2122
e0c14875
MD		 2123alias_abstract_declarator_list:
2124 alias_abstract_declarator
6dc474b8 2125 { $$ = $1; }
e0c14875
MD		 2126 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2127 {
2128 $$ = $1;
2129 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2130 }
2131 ;
2132
2133alias_abstract_declarator:
2134 direct_alias_abstract_declarator
2135 { $$ = $1; }
2136 | pointer direct_alias_abstract_declarator
6dc474b8
MD		 2137 {
2138 $$ = $2;
48a01768 2139 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2140 }
8b9d5b5e
MD		 2141 ;
2142
e0c14875
MD		 2143direct_alias_abstract_declarator:
2144 /* empty */
6dc474b8
MD		 2145 {
2146 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
e0c14875
MD		 2147 $$->u.type_declarator.type = TYPEDEC_ID;
2148 /* id is NULL */
6dc474b8 2149 }
e0c14875 2150 | LPAREN alias_abstract_declarator RPAREN
6dc474b8
MD		 2151 {
2152 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2153 $$->u.type_declarator.type = TYPEDEC_NESTED;
2154 $$->u.type_declarator.u.nested.type_declarator = $2;
2155 }
7d4192cb 2156 | direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2157 {
2158 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2159 $$->u.type_declarator.type = TYPEDEC_NESTED;
2160 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2161 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2162 }
e0c14875
MD		 2163 | direct_alias_abstract_declarator LSBRAC RSBRAC
2164 {
2165 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2166 $$->u.type_declarator.type = TYPEDEC_NESTED;
2167 $$->u.type_declarator.u.nested.type_declarator = $1;
2168 $$->u.type_declarator.u.nested.abstract_array = 1;
2169 }
8b9d5b5e
MD		 2170 ;
2171
e0c14875
MD		 2172declarator:
2173 direct_declarator
6dc474b8 2174 { $$ = $1; }
e0c14875 2175 | pointer direct_declarator
6dc474b8
MD		 2176 {
2177 $$ = $2;
48a01768 2178 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2179 }
8b9d5b5e
MD		 2180 ;
2181
e0c14875 2182direct_declarator:
8b9d5b5e 2183 IDENTIFIER
6dc474b8 2184 {
6dc474b8
MD		 2185 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2186 $$->u.type_declarator.type = TYPEDEC_ID;
2187 $$->u.type_declarator.u.id = $1->s;
2188 }
e0c14875 2189 | LPAREN declarator RPAREN
6dc474b8
MD		 2190 {
2191 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2192 $$->u.type_declarator.type = TYPEDEC_NESTED;
2193 $$->u.type_declarator.u.nested.type_declarator = $2;
2194 }
7d4192cb 2195 | direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2196 {
2197 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2198 $$->u.type_declarator.type = TYPEDEC_NESTED;
2199 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2200 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2201 }
8b9d5b5e
MD		 2202 ;
2203
e0c14875
MD		 2204type_declarator:
2205 direct_type_declarator
6dc474b8 2206 { $$ = $1; }
e0c14875 2207 | pointer direct_type_declarator
6dc474b8
MD		 2208 {
2209 $$ = $2;
48a01768 2210 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2211 }
8b9d5b5e
MD		 2212 ;
2213
e0c14875
MD		 2214direct_type_declarator:
2215 IDENTIFIER
6dc474b8
MD		 2216 {
2217 add_type(scanner, $1);
2218 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2219 $$->u.type_declarator.type = TYPEDEC_ID;
2220 $$->u.type_declarator.u.id = $1->s;
2221 }
e0c14875 2222 | LPAREN type_declarator RPAREN
6dc474b8
MD		 2223 {
2224 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2225 $$->u.type_declarator.type = TYPEDEC_NESTED;
2226 $$->u.type_declarator.u.nested.type_declarator = $2;
2227 }
7d4192cb 2228 | direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2229 {
2230 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2231 $$->u.type_declarator.type = TYPEDEC_NESTED;
2232 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2233 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2234 }
8b9d5b5e
MD		 2235 ;
2236
2237pointer:
2238 STAR
48a01768
MD		 2239 {
2240 $$ = make_node(scanner, NODE_POINTER);
48a01768 2241 }
8b9d5b5e 2242 | STAR pointer
6dc474b8
MD		 2243 {
2244 $$ = make_node(scanner, NODE_POINTER);
48a01768 2245 cds_list_splice(&($2)->tmp_head, &($$)->tmp_head);
6dc474b8 2246 }
8b9d5b5e 2247 | STAR type_qualifier_list pointer
6dc474b8
MD		 2248 {
2249 $$ = make_node(scanner, NODE_POINTER);
2250 $$->u.pointer.const_qualifier = 1;
48a01768 2251 cds_list_splice(&($3)->tmp_head, &($$)->tmp_head);
6dc474b8 2252 }
8b9d5b5e
MD		 2253 ;
2254
2255type_qualifier_list:
6dc474b8 2256 /* pointer assumes only const type qualifier */
8b9d5b5e
MD		 2257 CONST
2258 | type_qualifier_list CONST
2259 ;
2260
2261/* 2.3: CTF-specific declarations */
2262
2263ctf_assignment_expression_list:
2264 ctf_assignment_expression SEMICOLON
0009a725 2265 { $$ = $1; }
8b9d5b5e 2266 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
6dc474b8
MD		 2267 {
2268 $$ = $1;
48a01768 2269 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8 2270 }
8b9d5b5e
MD		 2271 ;
2272
2273ctf_assignment_expression:
2274 unary_expression EQUAL unary_expression
02b234c4 2275 {
6dc474b8
MD		 2276 /*
2277 * Because we have left and right, cannot use
48a01768 2278 * set_parent_node.
6dc474b8 2279 */
02b234c4 2280 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2281 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2282 if ($1->u.unary_expression.type != UNARY_STRING)
2283 reparent_error(scanner, "ctf_assignment_expression left expects string");
48a01768 2284 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
02b234c4 2285 }
427c09b7 2286 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
6dc474b8
MD		 2287 {
2288 /*
2289 * Because we have left and right, cannot use
48a01768 2290 * set_parent_node.
6dc474b8
MD		 2291 */
2292 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2293 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2294 if ($1->u.unary_expression.type != UNARY_STRING)
2295 reparent_error(scanner, "ctf_assignment_expression left expects string");
427c09b7 2296 cds_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
6dc474b8 2297 }
8b9d5b5e 2298 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2299 {
3e11b713
MD		 2300 struct ctf_node *list;
2301
2302 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2303 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2304 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2305 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2306 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2307 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2308 }
8b9d5b5e 2309 | TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2310 {
3e11b713
MD		 2311 struct ctf_node *list;
2312
6dc474b8 2313 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 2314 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2315 $$->u._typedef.type_specifier_list = list;
2316 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2317 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2318 }
8b9d5b5e 2319 | declaration_specifiers TYPEDEF type_declarator_list
6dc474b8 2320 {
3e11b713
MD		 2321 struct ctf_node *list;
2322
2323 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2324 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2325 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2326 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2327 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2328 }
a030d084 2329 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
6dc474b8 2330 {
3e11b713
MD		 2331 struct ctf_node *list;
2332
6dc474b8
MD		 2333 $$ = make_node(scanner, NODE_TYPEALIAS);
2334 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2335 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 2336
2337 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2338 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2339 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2340 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 2341
2342 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2343 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2344 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2345 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 2346 }
8b9d5b5e 2347 ;
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