projects / babeltrace.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
CTF: open trace read
[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 }
b40c8090
MD		 1519 | STRING
1520 {
1521 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1522 $$->u.type_specifier.type = TYPESPEC_STRING;
1523 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1524 }
8b9d5b5e 1525 | STRING LBRAC RBRAC
6dc474b8 1526 {
3e11b713
MD		 1527 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1528 $$->u.type_specifier.type = TYPESPEC_STRING;
1529 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
6dc474b8 1530 }
8b9d5b5e 1531 | STRING LBRAC ctf_assignment_expression_list RBRAC
6dc474b8 1532 {
3e11b713
MD		 1533 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1534 $$->u.type_specifier.type = TYPESPEC_STRING;
1535 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1536 if (set_parent_node($3, $$->u.type_specifier.node))
6dc474b8
MD		 1537 reparent_error(scanner, "string reparent error");
1538 }
8b9d5b5e 1539 | ENUM enum_type_specifier
3e11b713
MD		 1540 {
1541 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1542 $$->u.type_specifier.type = TYPESPEC_ENUM;
1543 $$->u.type_specifier.node = $2;
1544 }
8b9d5b5e 1545 | VARIANT variant_type_specifier
3e11b713
MD		 1546 {
1547 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1548 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1549 $$->u.type_specifier.node = $2;
3e11b713 1550 }
8b9d5b5e 1551 | STRUCT struct_type_specifier
3e11b713
MD		 1552 {
1553 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1554 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1555 $$->u.type_specifier.node = $2;
3e11b713 1556 }
8b9d5b5e
MD		 1557 ;
1558
1559struct_type_specifier:
1560 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1561 {
1562 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1563 $$->u._struct.has_body = 1;
5039b4cc 1564 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1565 reparent_error(scanner, "struct reparent error");
1566 }
8b9d5b5e 1567 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1568 {
1569 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1570 $$->u._struct.has_body = 1;
6dc474b8 1571 $$->u._struct.name = $1->s;
5039b4cc 1572 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1573 reparent_error(scanner, "struct reparent error");
1574 }
8b9d5b5e 1575 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
6dc474b8
MD		 1576 {
1577 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1578 $$->u._struct.has_body = 1;
6dc474b8 1579 $$->u._struct.name = $1->s;
5039b4cc 1580 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1581 reparent_error(scanner, "struct reparent error");
1582 }
8b9d5b5e 1583 | IDENTIFIER
6dc474b8
MD		 1584 {
1585 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1586 $$->u._struct.has_body = 0;
6dc474b8
MD		 1587 $$->u._struct.name = $1->s;
1588 }
8b9d5b5e 1589 | ID_TYPE
6dc474b8
MD		 1590 {
1591 $$ = make_node(scanner, NODE_STRUCT);
1ee8e81d 1592 $$->u._struct.has_body = 0;
6dc474b8
MD		 1593 $$->u._struct.name = $1->s;
1594 }
8b9d5b5e
MD		 1595 ;
1596
1597struct_declaration_begin:
1598 LBRAC
fce8006d 1599 { push_scope(scanner); }
8b9d5b5e
MD		 1600 ;
1601
1602struct_declaration_end:
1603 RBRAC
fce8006d 1604 { pop_scope(scanner); }
8b9d5b5e
MD		 1605 ;
1606
1607variant_type_specifier:
1608 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1609 {
1610 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1611 $$->u.variant.has_body = 1;
5039b4cc 1612 if ($2 && set_parent_node($2, $$))
6dc474b8
MD		 1613 reparent_error(scanner, "variant reparent error");
1614 }
8b9d5b5e 1615 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1616 {
1617 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1618 $$->u.variant.has_body = 1;
6dc474b8 1619 $$->u.variant.choice = $2->s;
5039b4cc 1620 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1621 reparent_error(scanner, "variant reparent error");
1622 }
8b9d5b5e 1623 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1624 {
1625 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1626 $$->u.variant.has_body = 1;
6dc474b8 1627 $$->u.variant.choice = $2->s;
5039b4cc 1628 if ($5 && set_parent_node($5, $$))
6dc474b8
MD		 1629 reparent_error(scanner, "variant reparent error");
1630 }
8b9d5b5e 1631 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1632 {
1633 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1634 $$->u.variant.has_body = 1;
6dc474b8 1635 $$->u.variant.name = $1->s;
5039b4cc 1636 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1637 reparent_error(scanner, "variant reparent error");
1638 }
8b9d5b5e 1639 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1640 {
1641 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1642 $$->u.variant.has_body = 1;
6dc474b8
MD		 1643 $$->u.variant.name = $1->s;
1644 $$->u.variant.choice = $3->s;
5039b4cc 1645 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1646 reparent_error(scanner, "variant reparent error");
1647 }
8b9d5b5e 1648 | IDENTIFIER LT IDENTIFIER GT
6dc474b8
MD		 1649 {
1650 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1651 $$->u.variant.has_body = 0;
6dc474b8
MD		 1652 $$->u.variant.name = $1->s;
1653 $$->u.variant.choice = $3->s;
1654 }
8b9d5b5e 1655 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1656 {
1657 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1658 $$->u.variant.has_body = 1;
6dc474b8
MD		 1659 $$->u.variant.name = $1->s;
1660 $$->u.variant.choice = $3->s;
5039b4cc 1661 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1662 reparent_error(scanner, "variant reparent error");
1663 }
8b9d5b5e 1664 | IDENTIFIER LT ID_TYPE GT
6dc474b8
MD		 1665 {
1666 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1667 $$->u.variant.has_body = 0;
6dc474b8
MD		 1668 $$->u.variant.name = $1->s;
1669 $$->u.variant.choice = $3->s;
1670 }
8b9d5b5e 1671 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1672 {
1673 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1674 $$->u.variant.has_body = 1;
6dc474b8 1675 $$->u.variant.name = $1->s;
5039b4cc 1676 if ($3 && set_parent_node($3, $$))
6dc474b8
MD		 1677 reparent_error(scanner, "variant reparent error");
1678 }
8b9d5b5e 1679 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1680 {
1681 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1682 $$->u.variant.has_body = 1;
6dc474b8
MD		 1683 $$->u.variant.name = $1->s;
1684 $$->u.variant.choice = $3->s;
5039b4cc 1685 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1686 reparent_error(scanner, "variant reparent error");
1687 }
8b9d5b5e 1688 | ID_TYPE LT IDENTIFIER GT
6dc474b8
MD		 1689 {
1690 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1691 $$->u.variant.has_body = 0;
6dc474b8
MD		 1692 $$->u.variant.name = $1->s;
1693 $$->u.variant.choice = $3->s;
1694 }
8b9d5b5e 1695 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
6dc474b8
MD		 1696 {
1697 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1698 $$->u.variant.has_body = 1;
6dc474b8
MD		 1699 $$->u.variant.name = $1->s;
1700 $$->u.variant.choice = $3->s;
5039b4cc 1701 if ($6 && set_parent_node($6, $$))
6dc474b8
MD		 1702 reparent_error(scanner, "variant reparent error");
1703 }
8b9d5b5e 1704 | ID_TYPE LT ID_TYPE GT
6dc474b8
MD		 1705 {
1706 $$ = make_node(scanner, NODE_VARIANT);
1ee8e81d 1707 $$->u.variant.has_body = 0;
6dc474b8
MD		 1708 $$->u.variant.name = $1->s;
1709 $$->u.variant.choice = $3->s;
1710 }
8b9d5b5e
MD		 1711 ;
1712
1713variant_declaration_begin:
1714 LBRAC
fce8006d 1715 { push_scope(scanner); }
8b9d5b5e
MD		 1716 ;
1717
1718variant_declaration_end:
1719 RBRAC
fce8006d 1720 { pop_scope(scanner); }
8b9d5b5e
MD		 1721 ;
1722
7d4192cb 1723declaration_specifiers_or_integer_constant:
8b9d5b5e 1724 declaration_specifiers
6dc474b8 1725 { $$ = $1; }
8b9d5b5e 1726 | DECIMAL_CONSTANT
6dc474b8
MD		 1727 {
1728 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1729 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1730 sscanf(yylval.gs->s, "%" PRIu64,
6dc474b8
MD		 1731 &$$->u.unary_expression.u.unsigned_constant);
1732 }
8b9d5b5e 1733 | OCTAL_CONSTANT
6dc474b8
MD		 1734 {
1735 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1736 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1737 sscanf(yylval.gs->s, "0%" PRIo64,
6dc474b8
MD		 1738 &$$->u.unary_expression.u.unsigned_constant);
1739 }
8b9d5b5e 1740 | HEXADECIMAL_CONSTANT
6dc474b8
MD		 1741 {
1742 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1743 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
380d60b1 1744 sscanf(yylval.gs->s, "0x%" PRIx64,
6dc474b8
MD		 1745 &$$->u.unary_expression.u.unsigned_constant);
1746 }
8b9d5b5e
MD		 1747 ;
1748
1749enum_type_specifier:
1750 LBRAC enumerator_list RBRAC
6dc474b8
MD		 1751 {
1752 $$ = make_node(scanner, NODE_ENUM);
add40b62 1753 $$->u._enum.has_body = 1;
48a01768 1754 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1755 }
0fbb34a5 1756 | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1757 {
1758 $$ = make_node(scanner, NODE_ENUM);
add40b62 1759 $$->u._enum.has_body = 1;
3e11b713 1760 ($$)->u._enum.container_type = $2;
0fbb34a5 1761 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1762 }
8b9d5b5e 1763 | IDENTIFIER LBRAC enumerator_list RBRAC
6dc474b8
MD		 1764 {
1765 $$ = make_node(scanner, NODE_ENUM);
add40b62 1766 $$->u._enum.has_body = 1;
6dc474b8 1767 $$->u._enum.enum_id = $1->s;
48a01768 1768 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1769 }
0fbb34a5 1770 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1771 {
1772 $$ = make_node(scanner, NODE_ENUM);
add40b62 1773 $$->u._enum.has_body = 1;
6dc474b8 1774 $$->u._enum.enum_id = $1->s;
3e11b713 1775 ($$)->u._enum.container_type = $3;
0fbb34a5 1776 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1777 }
8b9d5b5e 1778 | ID_TYPE LBRAC enumerator_list RBRAC
6dc474b8
MD		 1779 {
1780 $$ = make_node(scanner, NODE_ENUM);
add40b62 1781 $$->u._enum.has_body = 1;
6dc474b8 1782 $$->u._enum.enum_id = $1->s;
48a01768 1783 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1784 }
0fbb34a5 1785 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
6dc474b8
MD		 1786 {
1787 $$ = make_node(scanner, NODE_ENUM);
add40b62 1788 $$->u._enum.has_body = 1;
6dc474b8 1789 $$->u._enum.enum_id = $1->s;
3e11b713 1790 ($$)->u._enum.container_type = $3;
0fbb34a5 1791 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1792 }
8b9d5b5e 1793 | LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1794 {
1795 $$ = make_node(scanner, NODE_ENUM);
add40b62 1796 $$->u._enum.has_body = 1;
48a01768 1797 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1798 }
0fbb34a5 1799 | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1800 {
1801 $$ = make_node(scanner, NODE_ENUM);
add40b62 1802 $$->u._enum.has_body = 1;
3e11b713 1803 ($$)->u._enum.container_type = $2;
0fbb34a5 1804 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1805 }
8b9d5b5e 1806 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1807 {
1808 $$ = make_node(scanner, NODE_ENUM);
add40b62 1809 $$->u._enum.has_body = 1;
6dc474b8 1810 $$->u._enum.enum_id = $1->s;
48a01768 1811 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1812 }
0fbb34a5 1813 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1814 {
1815 $$ = make_node(scanner, NODE_ENUM);
add40b62 1816 $$->u._enum.has_body = 1;
6dc474b8 1817 $$->u._enum.enum_id = $1->s;
3e11b713 1818 ($$)->u._enum.container_type = $3;
0fbb34a5 1819 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1820 }
8b9d5b5e 1821 | IDENTIFIER
6dc474b8
MD		 1822 {
1823 $$ = make_node(scanner, NODE_ENUM);
add40b62 1824 $$->u._enum.has_body = 0;
6dc474b8
MD		 1825 $$->u._enum.enum_id = $1->s;
1826 }
8b9d5b5e 1827 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1828 {
1829 $$ = make_node(scanner, NODE_ENUM);
add40b62 1830 $$->u._enum.has_body = 1;
6dc474b8 1831 $$->u._enum.enum_id = $1->s;
48a01768 1832 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1833 }
0fbb34a5 1834 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
6dc474b8
MD		 1835 {
1836 $$ = make_node(scanner, NODE_ENUM);
add40b62 1837 $$->u._enum.has_body = 1;
6dc474b8 1838 $$->u._enum.enum_id = $1->s;
3e11b713 1839 ($$)->u._enum.container_type = $3;
0fbb34a5 1840 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
6dc474b8 1841 }
8b9d5b5e 1842 | ID_TYPE
6dc474b8
MD		 1843 {
1844 $$ = make_node(scanner, NODE_ENUM);
add40b62 1845 $$->u._enum.has_body = 0;
6dc474b8
MD		 1846 $$->u._enum.enum_id = $1->s;
1847 }
8b9d5b5e
MD		 1848 ;
1849
1850struct_or_variant_declaration_list:
1851 /* empty */
6dc474b8 1852 { $$ = NULL; }
8b9d5b5e 1853 | struct_or_variant_declaration_list struct_or_variant_declaration
6dc474b8
MD		 1854 {
1855 if ($1) {
1856 $$ = $1;
48a01768 1857 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1858 } else {
1859 $$ = $2;
48a01768 1860 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
6dc474b8
MD		 1861 }
1862 }
8b9d5b5e
MD		 1863 ;
1864
1865struct_or_variant_declaration:
1ee8e81d 1866 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
6dc474b8 1867 {
3e11b713
MD		 1868 struct ctf_node *list;
1869
1870 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1871 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1872 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
3e11b713 1873 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1874 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
6dc474b8 1875 }
1ee8e81d 1876 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1877 {
3e11b713
MD		 1878 struct ctf_node *list;
1879
6dc474b8 1880 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1881 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1882 $$->u._typedef.type_specifier_list = list;
1883 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1884 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1885 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1886 }
1ee8e81d 1887 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
6dc474b8 1888 {
3e11b713
MD		 1889 struct ctf_node *list;
1890
6dc474b8 1891 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 1892 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1893 $$->u._typedef.type_specifier_list = list;
1894 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1895 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1896 }
1ee8e81d 1897 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
6dc474b8 1898 {
3e11b713
MD		 1899 struct ctf_node *list;
1900
1901 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1902 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 1903 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 1904 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 1905 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 1906 }
a030d084 1907 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
6dc474b8 1908 {
3e11b713
MD		 1909 struct ctf_node *list;
1910
6dc474b8
MD		 1911 $$ = make_node(scanner, NODE_TYPEALIAS);
1912 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1913 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 1914
1915 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1916 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1917 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1918 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 1919
1920 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1921 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1922 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 1923 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 1924 }
8b9d5b5e
MD		 1925 ;
1926
1ee8e81d 1927alias_declaration_specifiers:
8b9d5b5e 1928 CONST
6dc474b8 1929 {
3e11b713
MD		 1930 struct ctf_node *node;
1931
1932 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1933 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1934 node->u.type_specifier.type = TYPESPEC_CONST;
1935 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1936 }
8b9d5b5e 1937 | type_specifier
3e11b713
MD		 1938 {
1939 struct ctf_node *node;
1940
1941 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1942 node = $1;
1943 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1944 }
1ee8e81d
MD		 1945 | IDENTIFIER
1946 {
3e11b713
MD		 1947 struct ctf_node *node;
1948
1ee8e81d 1949 add_type(scanner, $1);
3e11b713
MD		 1950 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1951 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1952 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1953 node->u.type_specifier.id_type = yylval.gs->s;
1954 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d
MD		 1955 }
1956 | alias_declaration_specifiers CONST
6dc474b8
MD		 1957 {
1958 struct ctf_node *node;
1959
1960 $$ = $1;
1961 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1962 node->u.type_specifier.type = TYPESPEC_CONST;
3e11b713 1963 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1964 }
1ee8e81d 1965 | alias_declaration_specifiers type_specifier
6dc474b8
MD		 1966 {
1967 $$ = $1;
3e11b713 1968 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
6dc474b8 1969 }
1ee8e81d
MD		 1970 | alias_declaration_specifiers IDENTIFIER
1971 {
1972 struct ctf_node *node;
1973
1974 add_type(scanner, $2);
1975 $$ = $1;
1976 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1977 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1978 node->u.type_specifier.id_type = yylval.gs->s;
3e11b713 1979 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1ee8e81d 1980 }
8b9d5b5e
MD		 1981 ;
1982
1983struct_or_variant_declarator_list:
1984 struct_or_variant_declarator
0009a725 1985 { $$ = $1; }
8b9d5b5e 1986 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
6dc474b8
MD		 1987 {
1988 $$ = $1;
48a01768 1989 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 1990 }
8b9d5b5e
MD		 1991 ;
1992
1993struct_or_variant_declarator:
1994 declarator
6dc474b8 1995 { $$ = $1; }
8b9d5b5e 1996 | COLON unary_expression
6dc474b8 1997 { $$ = $2; }
8b9d5b5e 1998 | declarator COLON unary_expression
6dc474b8
MD		 1999 {
2000 $$ = $1;
48a01768 2001 if (set_parent_node($3, $1))
6dc474b8
MD		 2002 reparent_error(scanner, "struct_or_variant_declarator");
2003 }
8b9d5b5e
MD		 2004 ;
2005
2006enumerator_list:
2007 enumerator
0009a725 2008 { $$ = $1; }
8b9d5b5e 2009 | enumerator_list COMMA enumerator
6dc474b8
MD		 2010 {
2011 $$ = $1;
48a01768 2012 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 2013 }
8b9d5b5e
MD		 2014 ;
2015
2016enumerator:
2017 IDENTIFIER
6dc474b8
MD		 2018 {
2019 $$ = make_node(scanner, NODE_ENUMERATOR);
2020 $$->u.enumerator.id = $1->s;
2021 }
8b9d5b5e 2022 | ID_TYPE
6dc474b8
MD		 2023 {
2024 $$ = make_node(scanner, NODE_ENUMERATOR);
2025 $$->u.enumerator.id = $1->s;
2026 }
8b9d5b5e 2027 | keywords
6dc474b8
MD		 2028 {
2029 $$ = make_node(scanner, NODE_ENUMERATOR);
2030 $$->u.enumerator.id = $1->s;
2031 }
8b9d5b5e 2032 | STRING_LITERAL_START DQUOTE
6dc474b8
MD		 2033 {
2034 $$ = make_node(scanner, NODE_ENUMERATOR);
2035 $$->u.enumerator.id = "";
2036 }
8b9d5b5e 2037 | STRING_LITERAL_START s_char_sequence DQUOTE
6dc474b8
MD		 2038 {
2039 $$ = make_node(scanner, NODE_ENUMERATOR);
2040 $$->u.enumerator.id = $2->s;
2041 }
8b9d5b5e 2042 | IDENTIFIER EQUAL unary_expression_or_range
6dc474b8
MD		 2043 {
2044 $$ = 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 | ID_TYPE 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, &($$)->u.enumerator.values);
6dc474b8 2053 }
8b9d5b5e 2054 | keywords EQUAL unary_expression_or_range
6dc474b8
MD		 2055 {
2056 $$ = make_node(scanner, NODE_ENUMERATOR);
2057 $$->u.enumerator.id = $1->s;
48a01768 2058 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2059 }
8b9d5b5e 2060 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 2061 {
2062 $$ = make_node(scanner, NODE_ENUMERATOR);
2063 $$->u.enumerator.id = "";
48a01768 2064 cds_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2065 }
8b9d5b5e 2066 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
6dc474b8
MD		 2067 {
2068 $$ = make_node(scanner, NODE_ENUMERATOR);
2069 $$->u.enumerator.id = $2->s;
48a01768 2070 cds_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
6dc474b8 2071 }
8b9d5b5e
MD		 2072 ;
2073
2074abstract_declarator_list:
2075 abstract_declarator
0009a725 2076 { $$ = $1; }
8b9d5b5e 2077 | abstract_declarator_list COMMA abstract_declarator
6dc474b8
MD		 2078 {
2079 $$ = $1;
48a01768 2080 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
6dc474b8 2081 }
8b9d5b5e
MD		 2082 ;
2083
2084abstract_declarator:
2085 direct_abstract_declarator
6dc474b8 2086 { $$ = $1; }
8b9d5b5e 2087 | pointer direct_abstract_declarator
6dc474b8
MD		 2088 {
2089 $$ = $2;
48a01768 2090 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2091 }
8b9d5b5e
MD		 2092 ;
2093
2094direct_abstract_declarator:
2095 /* empty */
6dc474b8
MD		 2096 {
2097 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2098 $$->u.type_declarator.type = TYPEDEC_ID;
2099 /* id is NULL */
2100 }
8b9d5b5e 2101 | IDENTIFIER
6dc474b8
MD		 2102 {
2103 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2104 $$->u.type_declarator.type = TYPEDEC_ID;
2105 $$->u.type_declarator.u.id = $1->s;
2106 }
8b9d5b5e 2107 | LPAREN abstract_declarator RPAREN
6dc474b8
MD		 2108 {
2109 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2110 $$->u.type_declarator.type = TYPEDEC_NESTED;
2111 $$->u.type_declarator.u.nested.type_declarator = $2;
2112 }
7d4192cb 2113 | direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2114 {
2115 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2116 $$->u.type_declarator.type = TYPEDEC_NESTED;
2117 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2118 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2119 }
8b9d5b5e 2120 | direct_abstract_declarator LSBRAC RSBRAC
6dc474b8
MD		 2121 {
2122 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2123 $$->u.type_declarator.type = TYPEDEC_NESTED;
2124 $$->u.type_declarator.u.nested.type_declarator = $1;
2125 $$->u.type_declarator.u.nested.abstract_array = 1;
2126 }
8b9d5b5e
MD		 2127 ;
2128
e0c14875
MD		 2129alias_abstract_declarator_list:
2130 alias_abstract_declarator
6dc474b8 2131 { $$ = $1; }
e0c14875
MD		 2132 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2133 {
2134 $$ = $1;
2135 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2136 }
2137 ;
2138
2139alias_abstract_declarator:
2140 direct_alias_abstract_declarator
2141 { $$ = $1; }
2142 | pointer direct_alias_abstract_declarator
6dc474b8
MD		 2143 {
2144 $$ = $2;
48a01768 2145 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2146 }
8b9d5b5e
MD		 2147 ;
2148
e0c14875
MD		 2149direct_alias_abstract_declarator:
2150 /* empty */
6dc474b8
MD		 2151 {
2152 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
e0c14875
MD		 2153 $$->u.type_declarator.type = TYPEDEC_ID;
2154 /* id is NULL */
6dc474b8 2155 }
e0c14875 2156 | LPAREN alias_abstract_declarator RPAREN
6dc474b8
MD		 2157 {
2158 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2159 $$->u.type_declarator.type = TYPEDEC_NESTED;
2160 $$->u.type_declarator.u.nested.type_declarator = $2;
2161 }
7d4192cb 2162 | direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2163 {
2164 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2165 $$->u.type_declarator.type = TYPEDEC_NESTED;
2166 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2167 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2168 }
e0c14875
MD		 2169 | direct_alias_abstract_declarator LSBRAC RSBRAC
2170 {
2171 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2172 $$->u.type_declarator.type = TYPEDEC_NESTED;
2173 $$->u.type_declarator.u.nested.type_declarator = $1;
2174 $$->u.type_declarator.u.nested.abstract_array = 1;
2175 }
8b9d5b5e
MD		 2176 ;
2177
e0c14875
MD		 2178declarator:
2179 direct_declarator
6dc474b8 2180 { $$ = $1; }
e0c14875 2181 | pointer direct_declarator
6dc474b8
MD		 2182 {
2183 $$ = $2;
48a01768 2184 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2185 }
8b9d5b5e
MD		 2186 ;
2187
e0c14875 2188direct_declarator:
8b9d5b5e 2189 IDENTIFIER
6dc474b8 2190 {
6dc474b8
MD		 2191 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2192 $$->u.type_declarator.type = TYPEDEC_ID;
2193 $$->u.type_declarator.u.id = $1->s;
2194 }
e0c14875 2195 | LPAREN declarator RPAREN
6dc474b8
MD		 2196 {
2197 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2198 $$->u.type_declarator.type = TYPEDEC_NESTED;
2199 $$->u.type_declarator.u.nested.type_declarator = $2;
2200 }
7d4192cb 2201 | direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2202 {
2203 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2204 $$->u.type_declarator.type = TYPEDEC_NESTED;
2205 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2206 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2207 }
8b9d5b5e
MD		 2208 ;
2209
e0c14875
MD		 2210type_declarator:
2211 direct_type_declarator
6dc474b8 2212 { $$ = $1; }
e0c14875 2213 | pointer direct_type_declarator
6dc474b8
MD		 2214 {
2215 $$ = $2;
48a01768 2216 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
6dc474b8 2217 }
8b9d5b5e
MD		 2218 ;
2219
e0c14875
MD		 2220direct_type_declarator:
2221 IDENTIFIER
6dc474b8
MD		 2222 {
2223 add_type(scanner, $1);
2224 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2225 $$->u.type_declarator.type = TYPEDEC_ID;
2226 $$->u.type_declarator.u.id = $1->s;
2227 }
e0c14875 2228 | LPAREN type_declarator RPAREN
6dc474b8
MD		 2229 {
2230 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2231 $$->u.type_declarator.type = TYPEDEC_NESTED;
2232 $$->u.type_declarator.u.nested.type_declarator = $2;
2233 }
7d4192cb 2234 | direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
6dc474b8
MD		 2235 {
2236 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2237 $$->u.type_declarator.type = TYPEDEC_NESTED;
2238 $$->u.type_declarator.u.nested.type_declarator = $1;
3e11b713 2239 ($$)->u.type_declarator.u.nested.length = $3;
6dc474b8 2240 }
8b9d5b5e
MD		 2241 ;
2242
2243pointer:
2244 STAR
48a01768
MD		 2245 {
2246 $$ = make_node(scanner, NODE_POINTER);
48a01768 2247 }
8b9d5b5e 2248 | STAR pointer
6dc474b8
MD		 2249 {
2250 $$ = make_node(scanner, NODE_POINTER);
48a01768 2251 cds_list_splice(&($2)->tmp_head, &($$)->tmp_head);
6dc474b8 2252 }
8b9d5b5e 2253 | STAR type_qualifier_list pointer
6dc474b8
MD		 2254 {
2255 $$ = make_node(scanner, NODE_POINTER);
2256 $$->u.pointer.const_qualifier = 1;
48a01768 2257 cds_list_splice(&($3)->tmp_head, &($$)->tmp_head);
6dc474b8 2258 }
8b9d5b5e
MD		 2259 ;
2260
2261type_qualifier_list:
6dc474b8 2262 /* pointer assumes only const type qualifier */
8b9d5b5e
MD		 2263 CONST
2264 | type_qualifier_list CONST
2265 ;
2266
2267/* 2.3: CTF-specific declarations */
2268
2269ctf_assignment_expression_list:
2270 ctf_assignment_expression SEMICOLON
0009a725 2271 { $$ = $1; }
8b9d5b5e 2272 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
6dc474b8
MD		 2273 {
2274 $$ = $1;
48a01768 2275 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
6dc474b8 2276 }
8b9d5b5e
MD		 2277 ;
2278
2279ctf_assignment_expression:
2280 unary_expression EQUAL unary_expression
02b234c4 2281 {
6dc474b8
MD		 2282 /*
2283 * Because we have left and right, cannot use
48a01768 2284 * set_parent_node.
6dc474b8 2285 */
02b234c4 2286 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2287 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2288 if ($1->u.unary_expression.type != UNARY_STRING)
2289 reparent_error(scanner, "ctf_assignment_expression left expects string");
48a01768 2290 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
02b234c4 2291 }
427c09b7 2292 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
6dc474b8
MD		 2293 {
2294 /*
2295 * Because we have left and right, cannot use
48a01768 2296 * set_parent_node.
6dc474b8
MD		 2297 */
2298 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
48a01768 2299 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
6dc474b8
MD		 2300 if ($1->u.unary_expression.type != UNARY_STRING)
2301 reparent_error(scanner, "ctf_assignment_expression left expects string");
427c09b7 2302 cds_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
6dc474b8 2303 }
8b9d5b5e 2304 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2305 {
3e11b713
MD		 2306 struct ctf_node *list;
2307
2308 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2309 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2310 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2311 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2312 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2313 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2314 }
8b9d5b5e 2315 | TYPEDEF declaration_specifiers type_declarator_list
6dc474b8 2316 {
3e11b713
MD		 2317 struct ctf_node *list;
2318
6dc474b8 2319 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713
MD		 2320 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2321 $$->u._typedef.type_specifier_list = list;
2322 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2323 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2324 }
8b9d5b5e 2325 | declaration_specifiers TYPEDEF type_declarator_list
6dc474b8 2326 {
3e11b713
MD		 2327 struct ctf_node *list;
2328
2329 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2330 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
6dc474b8 2331 $$ = make_node(scanner, NODE_TYPEDEF);
3e11b713 2332 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
48a01768 2333 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
6dc474b8 2334 }
a030d084 2335 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
6dc474b8 2336 {
3e11b713
MD		 2337 struct ctf_node *list;
2338
6dc474b8
MD		 2339 $$ = make_node(scanner, NODE_TYPEALIAS);
2340 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2341 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
3e11b713
MD		 2342
2343 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2344 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2345 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2346 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
3e11b713
MD		 2347
2348 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2349 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2350 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
48a01768 2351 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
6dc474b8 2352 }
8b9d5b5e 2353 ;
BabelTrace - Trace Format Babel Tower
This page took 0.154677 seconds and 4 git commands to generate.