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Change typealias separator from ":" to ":="
[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 }
8b9d5b5e 1013 | DECIMAL_CONSTANT
6dc474b8
MD		 1014 {
1015 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1016 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1017 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1018 &$$->u.unary_expression.u.unsigned_constant);
1019 }
8b9d5b5e 1020 | OCTAL_CONSTANT
6dc474b8
MD		 1021 {
1022 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1023 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1024 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1025 &$$->u.unary_expression.u.unsigned_constant);
1026 }
8b9d5b5e 1027 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1028 {
1029 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1030 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1031 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1032 &$$->u.unary_expression.u.unsigned_constant);
1033 }
8b9d5b5e 1034 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 1035 {
1036 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1037 $$->u.unary_expression.type = UNARY_STRING;
1038 $$->u.unary_expression.u.string = "";
1039 }
8b9d5b5e 1040 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 1041 {
1042 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1043 $$->u.unary_expression.type = UNARY_STRING;
1044 $$->u.unary_expression.u.string = $2->s;
1045 }
8b9d5b5e 1046 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
6dc474b8
MD		 1047 {
1048 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1049 $$->u.unary_expression.type = UNARY_STRING;
1050 $$->u.unary_expression.u.string = $2->s;
1051 }
8b9d5b5e 1052 | LPAREN unary_expression RPAREN
6dc474b8 1053 {
48a01768
MD		 1054 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1055 $$->u.unary_expression.type = UNARY_NESTED;
1056 $$->u.unary_expression.u.nested_exp = $2;
6dc474b8 1057 }
8b9d5b5e 1058 | postfix_expression LSBRAC unary_expression RSBRAC
6dc474b8
MD		 1059 {
1060 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1061 $$->u.unary_expression.type = UNARY_SBRAC;
1062 $$->u.unary_expression.u.sbrac_exp = $3;
48a01768
MD		 1063 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1064 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1065 }
8b9d5b5e 1066 | postfix_expression DOT IDENTIFIER
6dc474b8
MD		 1067 {
1068 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1069 $$->u.unary_expression.type = UNARY_STRING;
1070 $$->u.unary_expression.u.string = yylval.gs->s;
1071 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1072 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1073 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1074 }
8b9d5b5e 1075 | postfix_expression DOT ID_TYPE
6dc474b8
MD		 1076 {
1077 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1078 $$->u.unary_expression.type = UNARY_STRING;
1079 $$->u.unary_expression.u.string = yylval.gs->s;
1080 $$->u.unary_expression.link = UNARY_DOTLINK;
48a01768
MD		 1081 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1082 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1083 }
8b9d5b5e 1084 | postfix_expression RARROW IDENTIFIER
6dc474b8
MD		 1085 {
1086 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1087 $$->u.unary_expression.type = UNARY_STRING;
1088 $$->u.unary_expression.u.string = yylval.gs->s;
1089 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1090 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1091 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1092 }
8b9d5b5e 1093 | postfix_expression RARROW ID_TYPE
6dc474b8
MD		 1094 {
1095 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1096 $$->u.unary_expression.type = UNARY_STRING;
1097 $$->u.unary_expression.u.string = yylval.gs->s;
1098 $$->u.unary_expression.link = UNARY_ARROWLINK;
48a01768
MD		 1099 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1100 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8 1101 }
8b9d5b5e
MD		 1102 ;
1103
1104unary_expression:
1105 postfix_expression
6dc474b8 1106 { $$ = $1; }
8b9d5b5e 1107 | PLUS postfix_expression
6dc474b8 1108 { $$ = $2; }
8b9d5b5e 1109 | MINUS postfix_expression
6dc474b8
MD		 1110 {
1111 $$ = $2;
1112 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1113 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1114 reparent_error(scanner, "expecting numeric constant");
1115
1116 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1117 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1118 $$->u.unary_expression.u.signed_constant =
1119 -($$->u.unary_expression.u.unsigned_constant);
1120 } else {
1121 $$->u.unary_expression.u.signed_constant =
1122 -($$->u.unary_expression.u.signed_constant);
1123 }
1124 }
8b9d5b5e
MD		 1125 ;
1126
1127unary_expression_or_range:
1128 unary_expression DOTDOTDOT unary_expression
6dc474b8
MD		 1129 {
1130 $$ = $1;
48a01768
MD		 1131 _cds_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1132 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
6dc474b8 1133 }
8b9d5b5e 1134 | unary_expression
6dc474b8 1135 { $$ = $1; }
8b9d5b5e
MD		 1136 ;
1137
1138/* 2.2: Declarations */
1139
1140declaration:
1141 declaration_specifiers SEMICOLON
6dc474b8 1142 { $$ = $1; }
8b9d5b5e 1143 | event_declaration
6dc474b8 1144 { $$ = $1; }
8b9d5b5e 1145 | stream_declaration
6dc474b8 1146 { $$ = $1; }
8b9d5b5e 1147 | trace_declaration
6dc474b8 1148 { $$ = $1; }
8b9d5b5e 1149 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1150 {
3e11b713
MD		 1151 struct ctf_node *list;
1152
6dc474b8 1153 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1154 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1155 $$->u._typedef.type_specifier_list = list;
1156 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1157 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1158 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1159 }
8b9d5b5e 1160 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1161 {
3e11b713
MD		 1162 struct ctf_node *list;
1163
6dc474b8 1164 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1165 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1166 $$->u._typedef.type_specifier_list = list;
1167 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1168 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1169 }
8b9d5b5e 1170 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1171 {
3e11b713
MD		 1172 struct ctf_node *list;
1173
6dc474b8 1174 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1175 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1176 $$->u._typedef.type_specifier_list = list;
1177 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1178 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1179 }
a030d084 1180 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1181 {
3e11b713
MD		 1182 struct ctf_node *list;
1183
6dc474b8
MD		 1184 $$ = make_node(scanner, NODE_TYPEALIAS);
1185 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1186 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1187
1188 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1189 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1190 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1191 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1192
1193 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1194 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1195 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1196 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1197 }
8b9d5b5e
MD		 1198 ;
1199
1200event_declaration:
1201 event_declaration_begin event_declaration_end
48a01768
MD		 1202 {
1203 $$ = make_node(scanner, NODE_EVENT);
48a01768 1204 }
8b9d5b5e 1205 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
02b234c4
MD		 1206 {
1207 $$ = make_node(scanner, NODE_EVENT);
48a01768 1208 if (set_parent_node($2, $$))
6dc474b8 1209 reparent_error(scanner, "event_declaration");
02b234c4 1210 }
8b9d5b5e
MD		 1211 ;
1212
1213event_declaration_begin:
1214 EVENT LBRAC
fce8006d 1215 { push_scope(scanner); }
8b9d5b5e
MD		 1216 ;
1217
1218event_declaration_end:
1219 RBRAC SEMICOLON
fce8006d 1220 { pop_scope(scanner); }
8b9d5b5e
MD		 1221 ;
1222
1223
1224stream_declaration:
1225 stream_declaration_begin stream_declaration_end
48a01768
MD		 1226 {
1227 $$ = make_node(scanner, NODE_STREAM);
48a01768 1228 }
8b9d5b5e 1229 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
6dc474b8
MD		 1230 {
1231 $$ = make_node(scanner, NODE_STREAM);
48a01768 1232 if (set_parent_node($2, $$))
6dc474b8
MD		 1233 reparent_error(scanner, "stream_declaration");
1234 }
8b9d5b5e
MD		 1235 ;
1236
1237stream_declaration_begin:
1238 STREAM LBRAC
fce8006d 1239 { push_scope(scanner); }
8b9d5b5e
MD		 1240 ;
1241
1242stream_declaration_end:
1243 RBRAC SEMICOLON
fce8006d 1244 { pop_scope(scanner); }
8b9d5b5e
MD		 1245 ;
1246
1247
1248trace_declaration:
1249 trace_declaration_begin trace_declaration_end
48a01768
MD		 1250 {
1251 $$ = make_node(scanner, NODE_TRACE);
48a01768 1252 }
8b9d5b5e 1253 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
6dc474b8
MD		 1254 {
1255 $$ = make_node(scanner, NODE_TRACE);
48a01768 1256 if (set_parent_node($2, $$))
6dc474b8
MD		 1257 reparent_error(scanner, "trace_declaration");
1258 }
8b9d5b5e
MD		 1259 ;
1260
1261trace_declaration_begin:
1262 TRACE LBRAC
fce8006d 1263 { push_scope(scanner); }
8b9d5b5e
MD		 1264 ;
1265
1266trace_declaration_end:
1267 RBRAC SEMICOLON
fce8006d 1268 { pop_scope(scanner); }
8b9d5b5e
MD		 1269 ;
1270
1271declaration_specifiers:
1272 CONST
6dc474b8 1273 {
3e11b713
MD		 1274 struct ctf_node *node;
1275
1276 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1277 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1278 node->u.type_specifier.type = TYPESPEC_CONST;
1279 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1280 }
8b9d5b5e 1281 | type_specifier
3e11b713
MD		 1282 {
1283 struct ctf_node *node;
1284
1285 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1286 node = $1;
1287 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1288 }
8b9d5b5e 1289 | declaration_specifiers CONST
6dc474b8
MD		 1290 {
1291 struct ctf_node *node;
1292
48a01768 1293 $$ = $1;
6dc474b8
MD		 1294 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1295 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1296 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1297 }
8b9d5b5e 1298 | declaration_specifiers type_specifier
6dc474b8
MD		 1299 {
1300 $$ = $1;
3e11b713 1301 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1302 }
8b9d5b5e
MD		 1303 ;
1304
1305type_declarator_list:
1306 type_declarator
0009a725 1307 { $$ = $1; }
8b9d5b5e 1308 | type_declarator_list COMMA type_declarator
6dc474b8
MD		 1309 {
1310 $$ = $1;
48a01768 1311 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1312 }
8b9d5b5e
MD		 1313 ;
1314
8b9d5b5e
MD		 1315type_specifier:
1316 VOID
6dc474b8
MD		 1317 {
1318 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1319 $$->u.type_specifier.type = TYPESPEC_VOID;
1320 }
8b9d5b5e 1321 | CHAR
6dc474b8
MD		 1322 {
1323 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1324 $$->u.type_specifier.type = TYPESPEC_CHAR;
1325 }
8b9d5b5e 1326 | SHORT
6dc474b8
MD		 1327 {
1328 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1329 $$->u.type_specifier.type = TYPESPEC_SHORT;
1330 }
8b9d5b5e 1331 | INT
6dc474b8
MD		 1332 {
1333 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1334 $$->u.type_specifier.type = TYPESPEC_INT;
1335 }
8b9d5b5e 1336 | LONG
6dc474b8
MD		 1337 {
1338 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1339 $$->u.type_specifier.type = TYPESPEC_LONG;
1340 }
8b9d5b5e 1341 | FLOAT
6dc474b8
MD		 1342 {
1343 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1344 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1345 }
8b9d5b5e 1346 | DOUBLE
6dc474b8
MD		 1347 {
1348 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1349 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1350 }
8b9d5b5e 1351 | SIGNED
6dc474b8
MD		 1352 {
1353 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1354 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1355 }
8b9d5b5e 1356 | UNSIGNED
6dc474b8
MD		 1357 {
1358 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1359 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1360 }
8b9d5b5e 1361 | _BOOL
6dc474b8
MD		 1362 {
1363 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1364 $$->u.type_specifier.type = TYPESPEC_BOOL;
1365 }
8b9d5b5e 1366 | _COMPLEX
6dc474b8
MD		 1367 {
1368 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1369 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1370 }
3888a159
MD		 1371 | _IMAGINARY
1372 {
1373 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1374 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1375 }
8b9d5b5e 1376 | ID_TYPE
6dc474b8
MD		 1377 {
1378 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1379 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1380 $$->u.type_specifier.id_type = yylval.gs->s;
1381 }
8b9d5b5e 1382 | FLOATING_POINT LBRAC RBRAC
6dc474b8 1383 {
3e11b713
MD		 1384 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1385 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1386 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
6dc474b8 1387 }
8b9d5b5e 1388 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1389 {
3e11b713
MD		 1390 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1391 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1392 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1393 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1394 reparent_error(scanner, "floating point reparent error");
1395 }
8b9d5b5e 1396 | INTEGER LBRAC RBRAC
6dc474b8 1397 {
3e11b713
MD		 1398 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1399 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1400 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
6dc474b8 1401 }
8b9d5b5e 1402 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1403 {
3e11b713
MD		 1404 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1405 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1406 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1407 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1408 reparent_error(scanner, "integer reparent error");
1409 }
8b9d5b5e 1410 | STRING LBRAC RBRAC
6dc474b8 1411 {
3e11b713
MD		 1412 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1413 $$->u.type_specifier.type = TYPESPEC_STRING;
1414 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
6dc474b8 1415 }
8b9d5b5e 1416 | STRING LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1417 {
3e11b713
MD		 1418 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1419 $$->u.type_specifier.type = TYPESPEC_STRING;
1420 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1421 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1422 reparent_error(scanner, "string reparent error");
1423 }
8b9d5b5e 1424 | ENUM enum_type_specifier
3e11b713
MD		 1425 {
1426 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1427 $$->u.type_specifier.type = TYPESPEC_ENUM;
1428 $$->u.type_specifier.node = $2;
1429 }
8b9d5b5e 1430 | VARIANT variant_type_specifier
3e11b713
MD		 1431 {
1432 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1433 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1434 $$->u.type_specifier.node = $2;
3e11b713 1435 }
8b9d5b5e 1436 | STRUCT struct_type_specifier
3e11b713
MD		 1437 {
1438 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1439 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1440 $$->u.type_specifier.node = $2;
3e11b713 1441 }
8b9d5b5e
MD		 1442 ;
1443
1444struct_type_specifier:
1445 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1446 {
1447 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1448 $$->u._struct.has_body = 1;
5039b4cc 1449 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1450 reparent_error(scanner, "struct reparent error");
1451 }
8b9d5b5e 1452 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1453 {
1454 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1455 $$->u._struct.has_body = 1;
6dc474b8 1456 $$->u._struct.name = $1->s;
5039b4cc 1457 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1458 reparent_error(scanner, "struct reparent error");
1459 }
8b9d5b5e 1460 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1461 {
1462 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1463 $$->u._struct.has_body = 1;
6dc474b8 1464 $$->u._struct.name = $1->s;
5039b4cc 1465 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1466 reparent_error(scanner, "struct reparent error");
1467 }
8b9d5b5e 1468 | IDENTIFIER
6dc474b8
MD		 1469 {
1470 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1471 $$->u._struct.has_body = 0;
6dc474b8
MD		 1472 $$->u._struct.name = $1->s;
1473 }
8b9d5b5e 1474 | ID_TYPE
6dc474b8
MD		 1475 {
1476 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1477 $$->u._struct.has_body = 0;
6dc474b8
MD		 1478 $$->u._struct.name = $1->s;
1479 }
8b9d5b5e
MD		 1480 ;
1481
1482struct_declaration_begin:
1483 LBRAC
fce8006d 1484 { push_scope(scanner); }
8b9d5b5e
MD		 1485 ;
1486
1487struct_declaration_end:
1488 RBRAC
fce8006d 1489 { pop_scope(scanner); }
8b9d5b5e
MD		 1490 ;
1491
1492variant_type_specifier:
1493 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1494 {
1495 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1496 $$->u.variant.has_body = 1;
5039b4cc 1497 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1498 reparent_error(scanner, "variant reparent error");
1499 }
8b9d5b5e 1500 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1501 {
1502 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1503 $$->u.variant.has_body = 1;
6dc474b8 1504 $$->u.variant.choice = $2->s;
5039b4cc 1505 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1506 reparent_error(scanner, "variant reparent error");
1507 }
8b9d5b5e 1508 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1509 {
1510 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1511 $$->u.variant.has_body = 1;
6dc474b8 1512 $$->u.variant.choice = $2->s;
5039b4cc 1513 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1514 reparent_error(scanner, "variant reparent error");
1515 }
8b9d5b5e 1516 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1517 {
1518 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1519 $$->u.variant.has_body = 1;
6dc474b8 1520 $$->u.variant.name = $1->s;
5039b4cc 1521 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1522 reparent_error(scanner, "variant reparent error");
1523 }
8b9d5b5e 1524 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1525 {
1526 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1527 $$->u.variant.has_body = 1;
6dc474b8
MD		 1528 $$->u.variant.name = $1->s;
1529 $$->u.variant.choice = $3->s;
5039b4cc 1530 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1531 reparent_error(scanner, "variant reparent error");
1532 }
8b9d5b5e 1533 | IDENTIFIER LT IDENTIFIER GT
6dc474b8
MD		 1534 {
1535 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1536 $$->u.variant.has_body = 0;
6dc474b8
MD		 1537 $$->u.variant.name = $1->s;
1538 $$->u.variant.choice = $3->s;
1539 }
8b9d5b5e 1540 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1541 {
1542 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1543 $$->u.variant.has_body = 1;
6dc474b8
MD		 1544 $$->u.variant.name = $1->s;
1545 $$->u.variant.choice = $3->s;
5039b4cc 1546 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1547 reparent_error(scanner, "variant reparent error");
1548 }
8b9d5b5e 1549 | IDENTIFIER LT ID_TYPE GT
6dc474b8
MD		 1550 {
1551 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1552 $$->u.variant.has_body = 0;
6dc474b8
MD		 1553 $$->u.variant.name = $1->s;
1554 $$->u.variant.choice = $3->s;
1555 }
8b9d5b5e 1556 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1557 {
1558 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1559 $$->u.variant.has_body = 1;
6dc474b8 1560 $$->u.variant.name = $1->s;
5039b4cc 1561 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1562 reparent_error(scanner, "variant reparent error");
1563 }
8b9d5b5e 1564 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1565 {
1566 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1567 $$->u.variant.has_body = 1;
6dc474b8
MD		 1568 $$->u.variant.name = $1->s;
1569 $$->u.variant.choice = $3->s;
5039b4cc 1570 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1571 reparent_error(scanner, "variant reparent error");
1572 }
8b9d5b5e 1573 | ID_TYPE LT IDENTIFIER GT
6dc474b8
MD		 1574 {
1575 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1576 $$->u.variant.has_body = 0;
6dc474b8
MD		 1577 $$->u.variant.name = $1->s;
1578 $$->u.variant.choice = $3->s;
1579 }
8b9d5b5e 1580 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1581 {
1582 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1583 $$->u.variant.has_body = 1;
6dc474b8
MD		 1584 $$->u.variant.name = $1->s;
1585 $$->u.variant.choice = $3->s;
5039b4cc 1586 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1587 reparent_error(scanner, "variant reparent error");
1588 }
8b9d5b5e 1589 | ID_TYPE LT ID_TYPE GT
6dc474b8
MD		 1590 {
1591 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1592 $$->u.variant.has_body = 0;
6dc474b8
MD		 1593 $$->u.variant.name = $1->s;
1594 $$->u.variant.choice = $3->s;
1595 }
8b9d5b5e
MD		 1596 ;
1597
1598variant_declaration_begin:
1599 LBRAC
fce8006d 1600 { push_scope(scanner); }
8b9d5b5e
MD		 1601 ;
1602
1603variant_declaration_end:
1604 RBRAC
fce8006d 1605 { pop_scope(scanner); }
8b9d5b5e
MD		 1606 ;
1607
7d4192cb 1608declaration_specifiers_or_integer_constant:
8b9d5b5e 1609 declaration_specifiers
6dc474b8 1610 { $$ = $1; }
8b9d5b5e 1611 | DECIMAL_CONSTANT
6dc474b8
MD		 1612 {
1613 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1614 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1615 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1616 &$$->u.unary_expression.u.unsigned_constant);
1617 }
8b9d5b5e 1618 | OCTAL_CONSTANT
6dc474b8
MD		 1619 {
1620 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1621 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1622 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1623 &$$->u.unary_expression.u.unsigned_constant);
1624 }
8b9d5b5e 1625 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1626 {
1627 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1628 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1629 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1630 &$$->u.unary_expression.u.unsigned_constant);
1631 }
8b9d5b5e
MD		 1632 ;
1633
1634enum_type_specifier:
1635 LBRAC enumerator_list RBRAC
6dc474b8
MD		 1636 {
1637 $$ = make_node(scanner, NODE_ENUM);
add40b62 1638 $$->u._enum.has_body = 1;
48a01768 1639 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1640 }
2b0a0f95 1641 | LT declaration_specifiers GT LBRAC enumerator_list RBRAC
6dc474b8
MD		 1642 {
1643 $$ = make_node(scanner, NODE_ENUM);
add40b62 1644 $$->u._enum.has_body = 1;
3e11b713 1645 ($$)->u._enum.container_type = $2;
48a01768 1646 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1647 }
8b9d5b5e 1648 | IDENTIFIER LBRAC enumerator_list RBRAC
6dc474b8
MD		 1649 {
1650 $$ = make_node(scanner, NODE_ENUM);
add40b62 1651 $$->u._enum.has_body = 1;
6dc474b8 1652 $$->u._enum.enum_id = $1->s;
48a01768 1653 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1654 }
2b0a0f95 1655 | IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list RBRAC
6dc474b8
MD		 1656 {
1657 $$ = make_node(scanner, NODE_ENUM);
add40b62 1658 $$->u._enum.has_body = 1;
6dc474b8 1659 $$->u._enum.enum_id = $1->s;
3e11b713 1660 ($$)->u._enum.container_type = $3;
48a01768 1661 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1662 }
8b9d5b5e 1663 | ID_TYPE LBRAC enumerator_list RBRAC
6dc474b8
MD		 1664 {
1665 $$ = make_node(scanner, NODE_ENUM);
add40b62 1666 $$->u._enum.has_body = 1;
6dc474b8 1667 $$->u._enum.enum_id = $1->s;
48a01768 1668 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1669 }
2b0a0f95 1670 | ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list RBRAC
6dc474b8
MD		 1671 {
1672 $$ = make_node(scanner, NODE_ENUM);
add40b62 1673 $$->u._enum.has_body = 1;
6dc474b8 1674 $$->u._enum.enum_id = $1->s;
3e11b713 1675 ($$)->u._enum.container_type = $3;
48a01768 1676 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1677 }
8b9d5b5e 1678 | LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1679 {
1680 $$ = make_node(scanner, NODE_ENUM);
add40b62 1681 $$->u._enum.has_body = 1;
48a01768 1682 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1683 }
2b0a0f95 1684 | LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1685 {
1686 $$ = make_node(scanner, NODE_ENUM);
add40b62 1687 $$->u._enum.has_body = 1;
3e11b713 1688 ($$)->u._enum.container_type = $2;
48a01768 1689 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1690 }
8b9d5b5e 1691 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1692 {
1693 $$ = make_node(scanner, NODE_ENUM);
add40b62 1694 $$->u._enum.has_body = 1;
6dc474b8 1695 $$->u._enum.enum_id = $1->s;
48a01768 1696 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1697 }
2b0a0f95 1698 | IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1699 {
1700 $$ = make_node(scanner, NODE_ENUM);
add40b62 1701 $$->u._enum.has_body = 1;
6dc474b8 1702 $$->u._enum.enum_id = $1->s;
3e11b713 1703 ($$)->u._enum.container_type = $3;
48a01768 1704 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1705 }
8b9d5b5e 1706 | IDENTIFIER
6dc474b8
MD		 1707 {
1708 $$ = make_node(scanner, NODE_ENUM);
add40b62 1709 $$->u._enum.has_body = 0;
6dc474b8
MD		 1710 $$->u._enum.enum_id = $1->s;
1711 }
2b0a0f95 1712 | IDENTIFIER LT declaration_specifiers GT
6dc474b8
MD		 1713 {
1714 $$ = make_node(scanner, NODE_ENUM);
add40b62 1715 $$->u._enum.has_body = 0;
6dc474b8 1716 $$->u._enum.enum_id = $1->s;
3e11b713 1717 ($$)->u._enum.container_type = $3;
6dc474b8 1718 }
8b9d5b5e 1719 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1720 {
1721 $$ = make_node(scanner, NODE_ENUM);
add40b62 1722 $$->u._enum.has_body = 1;
6dc474b8 1723 $$->u._enum.enum_id = $1->s;
48a01768 1724 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1725 }
2b0a0f95 1726 | ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1727 {
1728 $$ = make_node(scanner, NODE_ENUM);
add40b62 1729 $$->u._enum.has_body = 1;
6dc474b8 1730 $$->u._enum.enum_id = $1->s;
3e11b713 1731 ($$)->u._enum.container_type = $3;
48a01768 1732 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1733 }
8b9d5b5e 1734 | ID_TYPE
6dc474b8
MD		 1735 {
1736 $$ = make_node(scanner, NODE_ENUM);
add40b62 1737 $$->u._enum.has_body = 0;
6dc474b8
MD		 1738 $$->u._enum.enum_id = $1->s;
1739 }
2b0a0f95 1740 | ID_TYPE LT declaration_specifiers GT
6dc474b8
MD		 1741 {
1742 $$ = make_node(scanner, NODE_ENUM);
add40b62 1743 $$->u._enum.has_body = 0;
6dc474b8 1744 $$->u._enum.enum_id = $1->s;
3e11b713 1745 ($$)->u._enum.container_type = $3;
6dc474b8 1746 }
8b9d5b5e
MD		 1747 ;
1748
1749struct_or_variant_declaration_list:
1750 /* empty */
6dc474b8 1751 { $$ = NULL; }
8b9d5b5e 1752 | struct_or_variant_declaration_list struct_or_variant_declaration
6dc474b8
MD		 1753 {
1754 if ($1) {
1755 $$ = $1;
48a01768 1756 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1757 } else {
1758 $$ = $2;
48a01768 1759 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1760 }
1761 }
8b9d5b5e
MD		 1762 ;
1763
1764struct_or_variant_declaration:
1ee8e81d 1765 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
6dc474b8 1766 {
3e11b713
MD		 1767 struct ctf_node *list;
1768
1769 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1770 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1771 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
3e11b713 1772 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1773 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
6dc474b8 1774 }
1ee8e81d 1775 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1776 {
3e11b713
MD		 1777 struct ctf_node *list;
1778
6dc474b8 1779 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1780 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1781 $$->u._typedef.type_specifier_list = list;
1782 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1783 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1784 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1785 }
1ee8e81d 1786 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1787 {
3e11b713
MD		 1788 struct ctf_node *list;
1789
6dc474b8 1790 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1791 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1792 $$->u._typedef.type_specifier_list = list;
1793 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1794 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1795 }
1ee8e81d 1796 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1797 {
3e11b713
MD		 1798 struct ctf_node *list;
1799
1800 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1801 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1802 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 1803 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1804 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1805 }
a030d084 1806 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1807 {
3e11b713
MD		 1808 struct ctf_node *list;
1809
6dc474b8
MD		 1810 $$ = make_node(scanner, NODE_TYPEALIAS);
1811 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1812 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1813
1814 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1815 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1816 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1817 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1818
1819 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1820 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1821 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1822 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1823 }
8b9d5b5e
MD		 1824 ;
1825
1ee8e81d 1826alias_declaration_specifiers:
8b9d5b5e 1827 CONST
6dc474b8 1828 {
3e11b713
MD		 1829 struct ctf_node *node;
1830
1831 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1832 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1833 node->u.type_specifier.type = TYPESPEC_CONST;
1834 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1835 }
8b9d5b5e 1836 | type_specifier
3e11b713
MD		 1837 {
1838 struct ctf_node *node;
1839
1840 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1841 node = $1;
1842 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1843 }
1ee8e81d
MD		 1844 | IDENTIFIER
1845 {
3e11b713
MD		 1846 struct ctf_node *node;
1847
1ee8e81d 1848 add_type(scanner, $1);
3e11b713
MD		 1849 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1850 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1851 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1852 node->u.type_specifier.id_type = yylval.gs->s;
1853 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d
MD		 1854 }
1855 | alias_declaration_specifiers CONST
6dc474b8
MD		 1856 {
1857 struct ctf_node *node;
1858
1859 $$ = $1;
1860 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1861 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1862 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1863 }
1ee8e81d 1864 | alias_declaration_specifiers type_specifier
6dc474b8
MD		 1865 {
1866 $$ = $1;
3e11b713 1867 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1868 }
1ee8e81d
MD		 1869 | alias_declaration_specifiers IDENTIFIER
1870 {
1871 struct ctf_node *node;
1872
1873 add_type(scanner, $2);
1874 $$ = $1;
1875 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1876 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1877 node->u.type_specifier.id_type = yylval.gs->s;
3e11b713 1878 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d 1879 }
8b9d5b5e
MD		 1880 ;
1881
1882struct_or_variant_declarator_list:
1883 struct_or_variant_declarator
0009a725 1884 { $$ = $1; }
8b9d5b5e 1885 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
6dc474b8
MD		 1886 {
1887 $$ = $1;
48a01768 1888 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1889 }
8b9d5b5e
MD		 1890 ;
1891
1892struct_or_variant_declarator:
1893 declarator
6dc474b8 1894 { $$ = $1; }
8b9d5b5e 1895 | COLON unary_expression
6dc474b8 1896 { $$ = $2; }
8b9d5b5e 1897 | declarator COLON unary_expression
6dc474b8
MD		 1898 {
1899 $$ = $1;
48a01768 1900 if (set_parent_node($3, $1))
6dc474b8
MD		 1901 reparent_error(scanner, "struct_or_variant_declarator");
1902 }
8b9d5b5e
MD		 1903 ;
1904
1905enumerator_list:
1906 enumerator
0009a725 1907 { $$ = $1; }
8b9d5b5e 1908 | enumerator_list COMMA enumerator
6dc474b8
MD		 1909 {
1910 $$ = $1;
48a01768 1911 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1912 }
8b9d5b5e
MD		 1913 ;
1914
1915enumerator:
1916 IDENTIFIER
6dc474b8
MD		 1917 {
1918 $$ = make_node(scanner, NODE_ENUMERATOR);
1919 $$->u.enumerator.id = $1->s;
1920 }
8b9d5b5e 1921 | ID_TYPE
6dc474b8
MD		 1922 {
1923 $$ = make_node(scanner, NODE_ENUMERATOR);
1924 $$->u.enumerator.id = $1->s;
1925 }
8b9d5b5e 1926 | keywords
6dc474b8
MD		 1927 {
1928 $$ = make_node(scanner, NODE_ENUMERATOR);
1929 $$->u.enumerator.id = $1->s;
1930 }
8b9d5b5e 1931 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 1932 {
1933 $$ = make_node(scanner, NODE_ENUMERATOR);
1934 $$->u.enumerator.id = "";
1935 }
8b9d5b5e 1936 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 1937 {
1938 $$ = make_node(scanner, NODE_ENUMERATOR);
1939 $$->u.enumerator.id = $2->s;
1940 }
8b9d5b5e 1941 | IDENTIFIER EQUAL unary_expression_or_range
6dc474b8
MD		 1942 {
1943 $$ = make_node(scanner, NODE_ENUMERATOR);
1944 $$->u.enumerator.id = $1->s;
48a01768 1945 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1946 }
8b9d5b5e 1947 | ID_TYPE EQUAL unary_expression_or_range
6dc474b8
MD		 1948 {
1949 $$ = make_node(scanner, NODE_ENUMERATOR);
1950 $$->u.enumerator.id = $1->s;
48a01768 1951 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1952 }
8b9d5b5e 1953 | keywords EQUAL unary_expression_or_range
6dc474b8
MD		 1954 {
1955 $$ = make_node(scanner, NODE_ENUMERATOR);
1956 $$->u.enumerator.id = $1->s;
48a01768 1957 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1958 }
8b9d5b5e 1959 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 1960 {
1961 $$ = make_node(scanner, NODE_ENUMERATOR);
1962 $$->u.enumerator.id = "";
48a01768 1963 cds_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1964 }
8b9d5b5e 1965 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 1966 {
1967 $$ = make_node(scanner, NODE_ENUMERATOR);
1968 $$->u.enumerator.id = $2->s;
48a01768 1969 cds_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 1970 }
8b9d5b5e
MD		 1971 ;
1972
1973abstract_declarator_list:
1974 abstract_declarator
0009a725 1975 { $$ = $1; }
8b9d5b5e 1976 | abstract_declarator_list COMMA abstract_declarator
6dc474b8
MD		 1977 {
1978 $$ = $1;
48a01768 1979 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1980 }
8b9d5b5e
MD		 1981 ;
1982
1983abstract_declarator:
1984 direct_abstract_declarator
6dc474b8 1985 { $$ = $1; }
8b9d5b5e 1986 | pointer direct_abstract_declarator
6dc474b8
MD		 1987 {
1988 $$ = $2;
48a01768 1989 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 1990 }
8b9d5b5e
MD		 1991 ;
1992
1993direct_abstract_declarator:
1994 /* empty */
6dc474b8
MD		 1995 {
1996 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1997 $$->u.type_declarator.type = TYPEDEC_ID;
1998 /* id is NULL */
1999 }
8b9d5b5e 2000 | IDENTIFIER
6dc474b8
MD		 2001 {
2002 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2003 $$->u.type_declarator.type = TYPEDEC_ID;
2004 $$->u.type_declarator.u.id = $1->s;
2005 }
8b9d5b5e 2006 | LPAREN abstract_declarator RPAREN
6dc474b8
MD		 2007 {
2008 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2009 $$->u.type_declarator.type = TYPEDEC_NESTED;
2010 $$->u.type_declarator.u.nested.type_declarator = $2;
2011 }
7d4192cb 2012 | direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2013 {
2014 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2015 $$->u.type_declarator.type = TYPEDEC_NESTED;
2016 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2017 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2018 }
8b9d5b5e 2019 | direct_abstract_declarator LSBRAC RSBRAC
6dc474b8
MD		 2020 {
2021 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2022 $$->u.type_declarator.type = TYPEDEC_NESTED;
2023 $$->u.type_declarator.u.nested.type_declarator = $1;
2024 $$->u.type_declarator.u.nested.abstract_array = 1;
2025 }
8b9d5b5e
MD		 2026 ;
2027
e0c14875
MD		 2028alias_abstract_declarator_list:
2029 alias_abstract_declarator
6dc474b8 2030 { $$ = $1; }
e0c14875
MD		 2031 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2032 {
2033 $$ = $1;
2034 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2035 }
2036 ;
2037
2038alias_abstract_declarator:
2039 direct_alias_abstract_declarator
2040 { $$ = $1; }
2041 | pointer direct_alias_abstract_declarator
6dc474b8
MD		 2042 {
2043 $$ = $2;
48a01768 2044 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2045 }
8b9d5b5e
MD		 2046 ;
2047
e0c14875
MD		 2048direct_alias_abstract_declarator:
2049 /* empty */
6dc474b8
MD		 2050 {
2051 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
e0c14875
MD		 2052 $$->u.type_declarator.type = TYPEDEC_ID;
2053 /* id is NULL */
6dc474b8 2054 }
e0c14875 2055 | LPAREN alias_abstract_declarator RPAREN
6dc474b8
MD		 2056 {
2057 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2058 $$->u.type_declarator.type = TYPEDEC_NESTED;
2059 $$->u.type_declarator.u.nested.type_declarator = $2;
2060 }
7d4192cb 2061 | direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2062 {
2063 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2064 $$->u.type_declarator.type = TYPEDEC_NESTED;
2065 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2066 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2067 }
e0c14875
MD		 2068 | direct_alias_abstract_declarator LSBRAC RSBRAC
2069 {
2070 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2071 $$->u.type_declarator.type = TYPEDEC_NESTED;
2072 $$->u.type_declarator.u.nested.type_declarator = $1;
2073 $$->u.type_declarator.u.nested.abstract_array = 1;
2074 }
8b9d5b5e
MD		 2075 ;
2076
e0c14875
MD		 2077declarator:
2078 direct_declarator
6dc474b8 2079 { $$ = $1; }
e0c14875 2080 | pointer direct_declarator
6dc474b8
MD		 2081 {
2082 $$ = $2;
48a01768 2083 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2084 }
8b9d5b5e
MD		 2085 ;
2086
e0c14875 2087direct_declarator:
8b9d5b5e 2088 IDENTIFIER
6dc474b8 2089 {
6dc474b8
MD		 2090 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2091 $$->u.type_declarator.type = TYPEDEC_ID;
2092 $$->u.type_declarator.u.id = $1->s;
2093 }
e0c14875 2094 | LPAREN declarator RPAREN
6dc474b8
MD		 2095 {
2096 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2097 $$->u.type_declarator.type = TYPEDEC_NESTED;
2098 $$->u.type_declarator.u.nested.type_declarator = $2;
2099 }
7d4192cb 2100 | direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2101 {
2102 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2103 $$->u.type_declarator.type = TYPEDEC_NESTED;
2104 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2105 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2106 }
8b9d5b5e
MD		 2107 ;
2108
e0c14875
MD		 2109type_declarator:
2110 direct_type_declarator
6dc474b8 2111 { $$ = $1; }
e0c14875 2112 | pointer direct_type_declarator
6dc474b8
MD		 2113 {
2114 $$ = $2;
48a01768 2115 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2116 }
8b9d5b5e
MD		 2117 ;
2118
e0c14875
MD		 2119direct_type_declarator:
2120 IDENTIFIER
6dc474b8
MD		 2121 {
2122 add_type(scanner, $1);
2123 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2124 $$->u.type_declarator.type = TYPEDEC_ID;
2125 $$->u.type_declarator.u.id = $1->s;
2126 }
e0c14875 2127 | LPAREN type_declarator RPAREN
6dc474b8
MD		 2128 {
2129 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2130 $$->u.type_declarator.type = TYPEDEC_NESTED;
2131 $$->u.type_declarator.u.nested.type_declarator = $2;
2132 }
7d4192cb 2133 | direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2134 {
2135 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2136 $$->u.type_declarator.type = TYPEDEC_NESTED;
2137 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2138 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2139 }
8b9d5b5e
MD		 2140 ;
2141
2142pointer:
2143 STAR
48a01768
MD		 2144 {
2145 $$ = make_node(scanner, NODE_POINTER);
48a01768 2146 }
8b9d5b5e 2147 | STAR pointer
6dc474b8
MD		 2148 {
2149 $$ = make_node(scanner, NODE_POINTER);
48a01768 2150 cds_list_splice(&($2)->tmp_head, &($$)->tmp_head);
6dc474b8 2151 }
8b9d5b5e 2152 | STAR type_qualifier_list pointer
6dc474b8
MD		 2153 {
2154 $$ = make_node(scanner, NODE_POINTER);
2155 $$->u.pointer.const_qualifier = 1;
48a01768 2156 cds_list_splice(&($3)->tmp_head, &($$)->tmp_head);
6dc474b8 2157 }
8b9d5b5e
MD		 2158 ;
2159
2160type_qualifier_list:
6dc474b8 2161 /* pointer assumes only const type qualifier */
8b9d5b5e
MD		 2162 CONST
2163 | type_qualifier_list CONST
2164 ;
2165
2166/* 2.3: CTF-specific declarations */
2167
2168ctf_assignment_expression_list:
2169 ctf_assignment_expression SEMICOLON
0009a725 2170 { $$ = $1; }
8b9d5b5e 2171 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
6dc474b8
MD		 2172 {
2173 $$ = $1;
48a01768 2174 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8 2175 }
8b9d5b5e
MD		 2176 ;
2177
2178ctf_assignment_expression:
2179 unary_expression EQUAL unary_expression
02b234c4 2180 {
6dc474b8
MD		 2181 /*
2182 * Because we have left and right, cannot use
48a01768 2183 * set_parent_node.
6dc474b8 2184 */
02b234c4 2185 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2186 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2187 if ($1->u.unary_expression.type != UNARY_STRING)
2188 reparent_error(scanner, "ctf_assignment_expression left expects string");
48a01768 2189 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
02b234c4 2190 }
427c09b7 2191 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
6dc474b8
MD		 2192 {
2193 /*
2194 * Because we have left and right, cannot use
48a01768 2195 * set_parent_node.
6dc474b8
MD		 2196 */
2197 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2198 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2199 if ($1->u.unary_expression.type != UNARY_STRING)
2200 reparent_error(scanner, "ctf_assignment_expression left expects string");
427c09b7 2201 cds_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
6dc474b8 2202 }
8b9d5b5e 2203 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2204 {
3e11b713
MD		 2205 struct ctf_node *list;
2206
2207 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2208 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2209 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2210 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2211 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2212 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2213 }
8b9d5b5e 2214 | TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2215 {
3e11b713
MD		 2216 struct ctf_node *list;
2217
6dc474b8 2218 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 2219 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2220 $$->u._typedef.type_specifier_list = list;
2221 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2222 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2223 }
8b9d5b5e 2224 | declaration_specifiers TYPEDEF type_declarator_list
6dc474b8 2225 {
3e11b713
MD		 2226 struct ctf_node *list;
2227
2228 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2229 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2230 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2231 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2232 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2233 }
a030d084 2234 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
6dc474b8 2235 {
3e11b713
MD		 2236 struct ctf_node *list;
2237
6dc474b8
MD		 2238 $$ = make_node(scanner, NODE_TYPEALIAS);
2239 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2240 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 2241
2242 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2243 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2244 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2245 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 2246
2247 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2248 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2249 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2250 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 2251 }
8b9d5b5e 2252 ;
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