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e98a2d6e PP |
1 | /* |
2 | * ctf-visitor-generate-ir.c | |
3 | * | |
4 | * Common Trace Format metadata visitor (generates CTF IR objects). | |
5 | * | |
6 | * Based on older ctf-visitor-generate-io-struct.c. | |
7 | * | |
8 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
9 | * Copyright 2015-2016 - Philippe Proulx <philippe.proulx@efficios.com> | |
10 | * | |
11 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
12 | * of this software and associated documentation files (the "Software"), to deal | |
13 | * in the Software without restriction, including without limitation the rights | |
14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
15 | * copies of the Software, and to permit persons to whom the Software is | |
16 | * furnished to do so, subject to the following conditions: | |
17 | * | |
18 | * The above copyright notice and this permission notice shall be included in | |
19 | * all copies or substantial portions of the Software. | |
20 | * | |
21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
27 | * SOFTWARE. | |
28 | */ | |
29 | ||
30 | #include <stdio.h> | |
31 | #include <unistd.h> | |
32 | #include <string.h> | |
33 | #include <stdlib.h> | |
34 | #include <ctype.h> | |
35 | #include <assert.h> | |
36 | #include <glib.h> | |
37 | #include <inttypes.h> | |
38 | #include <errno.h> | |
39 | #include <babeltrace/ctf/metadata.h> | |
40 | #include <babeltrace/compat/uuid.h> | |
41 | #include <babeltrace/endian.h> | |
42 | #include <babeltrace/ref.h> | |
43 | #include <babeltrace/ctf/events-internal.h> | |
44 | #include <babeltrace/ctf-ir/trace.h> | |
45 | #include <babeltrace/ctf-ir/stream-class.h> | |
46 | #include <babeltrace/ctf-ir/event.h> | |
47 | #include <babeltrace/ctf-ir/event-class.h> | |
48 | #include <babeltrace/ctf-ir/field-types.h> | |
49 | #include <babeltrace/ctf-ir/field-types-internal.h> | |
50 | #include <babeltrace/ctf-ir/clock.h> | |
51 | ||
06a626b8 JG |
52 | #include "scanner.h" |
53 | #include "parser.h" | |
54 | #include "ast.h" | |
e98a2d6e PP |
55 | |
56 | /* Bit value (left shift) */ | |
57 | #define _BV(_val) (1 << (_val)) | |
58 | ||
59 | /* Bit is set in a set of bits */ | |
60 | #define _IS_SET(_set, _mask) (*(_set) & (_mask)) | |
61 | ||
62 | /* Set bit in a set of bits */ | |
63 | #define _SET(_set, _mask) (*(_set) |= (_mask)) | |
64 | ||
65 | /* Bits for verifying existing attributes in various declarations */ | |
66 | enum { | |
67 | _CLOCK_NAME_SET = _BV(0), | |
68 | _CLOCK_UUID_SET = _BV(1), | |
69 | _CLOCK_FREQ_SET = _BV(2), | |
70 | _CLOCK_PRECISION_SET = _BV(3), | |
71 | _CLOCK_OFFSET_S_SET = _BV(4), | |
72 | _CLOCK_OFFSET_SET = _BV(5), | |
73 | _CLOCK_ABSOLUTE_SET = _BV(6), | |
74 | _CLOCK_DESCRIPTION_SET = _BV(7), | |
75 | }; | |
76 | ||
77 | enum { | |
78 | _INTEGER_ALIGN_SET = _BV(0), | |
79 | _INTEGER_SIZE_SET = _BV(1), | |
80 | _INTEGER_BASE_SET = _BV(2), | |
81 | _INTEGER_ENCODING_SET = _BV(3), | |
82 | _INTEGER_BYTE_ORDER_SET = _BV(4), | |
83 | _INTEGER_SIGNED_SET = _BV(5), | |
84 | _INTEGER_MAP_SET = _BV(6), | |
85 | }; | |
86 | ||
87 | enum { | |
88 | _FLOAT_ALIGN_SET = _BV(0), | |
89 | _FLOAT_MANT_DIG_SET = _BV(1), | |
90 | _FLOAT_EXP_DIG_SET = _BV(2), | |
91 | _FLOAT_BYTE_ORDER_SET = _BV(3), | |
92 | }; | |
93 | ||
94 | enum { | |
95 | _STRING_ENCODING_SET = _BV(0), | |
96 | }; | |
97 | ||
98 | enum { | |
99 | _TRACE_MINOR_SET = _BV(0), | |
100 | _TRACE_MAJOR_SET = _BV(1), | |
101 | _TRACE_BYTE_ORDER_SET = _BV(2), | |
102 | _TRACE_UUID_SET = _BV(3), | |
103 | _TRACE_PACKET_HEADER_SET = _BV(4), | |
104 | }; | |
105 | ||
106 | enum { | |
107 | _STREAM_ID_SET = _BV(0), | |
108 | _STREAM_PACKET_CONTEXT_SET = _BV(1), | |
109 | _STREAM_EVENT_HEADER_SET = _BV(2), | |
110 | _STREAM_EVENT_CONTEXT_SET = _BV(3), | |
111 | }; | |
112 | ||
113 | enum { | |
114 | _EVENT_NAME_SET = _BV(0), | |
115 | _EVENT_ID_SET = _BV(1), | |
116 | _EVENT_MODEL_EMF_URI_SET = _BV(2), | |
117 | _EVENT_STREAM_ID_SET = _BV(3), | |
118 | _EVENT_LOGLEVEL_SET = _BV(4), | |
119 | _EVENT_CONTEXT_SET = _BV(5), | |
120 | _EVENT_FIELDS_SET = _BV(6), | |
121 | }; | |
122 | ||
c3c30b08 MD |
123 | enum loglevel { |
124 | LOGLEVEL_EMERG = 0, | |
125 | LOGLEVEL_ALERT = 1, | |
126 | LOGLEVEL_CRIT = 2, | |
127 | LOGLEVEL_ERR = 3, | |
128 | LOGLEVEL_WARNING = 4, | |
129 | LOGLEVEL_NOTICE = 5, | |
130 | LOGLEVEL_INFO = 6, | |
131 | LOGLEVEL_DEBUG_SYSTEM = 7, | |
132 | LOGLEVEL_DEBUG_PROGRAM = 8, | |
133 | LOGLEVEL_DEBUG_PROCESS = 9, | |
134 | LOGLEVEL_DEBUG_MODULE = 10, | |
135 | LOGLEVEL_DEBUG_UNIT = 11, | |
136 | LOGLEVEL_DEBUG_FUNCTION = 12, | |
137 | LOGLEVEL_DEBUG_LINE = 13, | |
138 | LOGLEVEL_DEBUG = 14, | |
139 | _NR_LOGLEVELS = 15, | |
140 | }; | |
141 | ||
e98a2d6e PP |
142 | /* Prefixes of type aliases */ |
143 | #define _PREFIX_ALIAS 'a' | |
144 | #define _PREFIX_ENUM 'e' | |
145 | #define _PREFIX_STRUCT 's' | |
146 | #define _PREFIX_VARIANT 'v' | |
147 | ||
148 | /* First entry in a BT list */ | |
149 | #define _BT_LIST_FIRST_ENTRY(_ptr, _type, _member) \ | |
150 | bt_list_entry((_ptr)->next, _type, _member) | |
151 | ||
152 | #define _BT_CTF_FIELD_TYPE_INIT(_name) struct bt_ctf_field_type *_name = NULL; | |
153 | ||
154 | /* Error printing wrappers */ | |
155 | #define _PERROR(_fmt, ...) \ | |
156 | do { \ | |
157 | fprintf(ctx->efd, "[error] %s: " _fmt "\n", \ | |
158 | __func__, __VA_ARGS__); \ | |
159 | } while (0) | |
160 | ||
161 | #define _PWARNING(_fmt, ...) \ | |
162 | do { \ | |
163 | fprintf(ctx->efd, "[warning] %s: " _fmt "\n", \ | |
164 | __func__, __VA_ARGS__); \ | |
165 | } while (0) | |
166 | ||
167 | #define _FPERROR(_stream, _fmt, ...) \ | |
168 | do { \ | |
169 | fprintf(_stream, "[error] %s: " _fmt "\n", \ | |
170 | __func__, __VA_ARGS__); \ | |
171 | } while (0) | |
172 | ||
173 | #define _FPWARNING(_stream, _fmt, ...) \ | |
174 | do { \ | |
175 | fprintf(_stream, "[warning] %s: " _fmt "\n", \ | |
176 | __func__, __VA_ARGS__); \ | |
177 | } while (0) | |
178 | ||
179 | #define _PERROR_DUP_ATTR(_attr, _entity) \ | |
180 | do { \ | |
181 | fprintf(ctx->efd, \ | |
182 | "[error] %s: duplicate attribute \"" \ | |
183 | _attr "\" in " _entity "\n", __func__); \ | |
184 | } while (0) | |
185 | ||
186 | /* | |
187 | * Declaration scope of a visitor context. This represents a TSDL | |
188 | * lexical scope, so that aliases and named structures, variants, | |
189 | * and enumerations may be registered and looked up hierarchically. | |
190 | */ | |
191 | struct ctx_decl_scope { | |
192 | /* | |
193 | * Alias name to field type. | |
194 | * | |
195 | * GQuark -> struct bt_ctf_field_type * | |
196 | */ | |
197 | GHashTable *decl_map; | |
198 | ||
199 | /* Parent scope; NULL if this is the root declaration scope */ | |
200 | struct ctx_decl_scope *parent_scope; | |
201 | }; | |
202 | ||
203 | /* | |
204 | * Visitor context. | |
205 | */ | |
206 | struct ctx { | |
207 | /* Trace being filled (weak ref.) */ | |
208 | struct bt_ctf_trace *trace; | |
209 | ||
210 | /* Error stream to use during visit */ | |
211 | FILE *efd; | |
212 | ||
213 | /* Current declaration scope (top of the stack) */ | |
214 | struct ctx_decl_scope *current_scope; | |
215 | ||
216 | /* 1 if trace declaration is visited */ | |
217 | int is_trace_visited; | |
218 | ||
219 | /* Trace attributes */ | |
220 | uint64_t trace_major; | |
221 | uint64_t trace_minor; | |
222 | unsigned char trace_uuid[BABELTRACE_UUID_LEN]; | |
223 | ||
224 | /* | |
225 | * Stream IDs to stream classes. | |
226 | * | |
227 | * int64_t -> struct bt_ctf_stream_class * | |
228 | */ | |
229 | GHashTable *stream_classes; | |
230 | }; | |
231 | ||
c3c30b08 MD |
232 | static |
233 | const char *loglevel_str [] = { | |
234 | [ LOGLEVEL_EMERG ] = "TRACE_EMERG", | |
235 | [ LOGLEVEL_ALERT ] = "TRACE_ALERT", | |
236 | [ LOGLEVEL_CRIT ] = "TRACE_CRIT", | |
237 | [ LOGLEVEL_ERR ] = "TRACE_ERR", | |
238 | [ LOGLEVEL_WARNING ] = "TRACE_WARNING", | |
239 | [ LOGLEVEL_NOTICE ] = "TRACE_NOTICE", | |
240 | [ LOGLEVEL_INFO ] = "TRACE_INFO", | |
241 | [ LOGLEVEL_DEBUG_SYSTEM ] = "TRACE_DEBUG_SYSTEM", | |
242 | [ LOGLEVEL_DEBUG_PROGRAM ] = "TRACE_DEBUG_PROGRAM", | |
243 | [ LOGLEVEL_DEBUG_PROCESS ] = "TRACE_DEBUG_PROCESS", | |
244 | [ LOGLEVEL_DEBUG_MODULE ] = "TRACE_DEBUG_MODULE", | |
245 | [ LOGLEVEL_DEBUG_UNIT ] = "TRACE_DEBUG_UNIT", | |
246 | [ LOGLEVEL_DEBUG_FUNCTION ] = "TRACE_DEBUG_FUNCTION", | |
247 | [ LOGLEVEL_DEBUG_LINE ] = "TRACE_DEBUG_LINE", | |
248 | [ LOGLEVEL_DEBUG ] = "TRACE_DEBUG", | |
249 | }; | |
250 | ||
251 | static | |
252 | const char *print_loglevel(int64_t value) | |
253 | { | |
254 | if (value < 0) { | |
255 | return NULL; | |
256 | } | |
257 | if (value >= _NR_LOGLEVELS) { | |
258 | return "<<UNKNOWN>>"; | |
259 | } | |
260 | return loglevel_str[value]; | |
261 | } | |
262 | ||
e98a2d6e PP |
263 | /** |
264 | * Creates a new declaration scope. | |
265 | * | |
266 | * @param par_scope Parent scope (NULL if creating a root scope) | |
267 | * @returns New declaration scope, or NULL on error | |
268 | */ | |
269 | static | |
270 | struct ctx_decl_scope *ctx_decl_scope_create(struct ctx_decl_scope *par_scope) | |
271 | { | |
272 | struct ctx_decl_scope *scope; | |
273 | ||
274 | scope = g_new(struct ctx_decl_scope, 1); | |
275 | if (!scope) { | |
276 | goto end; | |
277 | } | |
278 | ||
279 | scope->decl_map = g_hash_table_new_full(g_direct_hash, g_direct_equal, | |
280 | NULL, (GDestroyNotify) bt_ctf_field_type_put); | |
281 | scope->parent_scope = par_scope; | |
282 | ||
283 | end: | |
284 | return scope; | |
285 | } | |
286 | ||
287 | /** | |
288 | * Destroys a declaration scope. | |
289 | * | |
290 | * This function does not destroy the parent scope. | |
291 | * | |
292 | * @param scope Scope to destroy | |
293 | */ | |
294 | static | |
295 | void ctx_decl_scope_destroy(struct ctx_decl_scope *scope) | |
296 | { | |
297 | if (!scope) { | |
298 | goto end; | |
299 | } | |
300 | ||
301 | g_hash_table_destroy(scope->decl_map); | |
302 | g_free(scope); | |
303 | ||
304 | end: | |
305 | return; | |
306 | } | |
307 | ||
308 | /** | |
309 | * Returns the GQuark of a prefixed alias. | |
310 | * | |
311 | * @param prefix Prefix character | |
312 | * @param name Name | |
313 | * @returns Associated GQuark, or 0 on error | |
314 | */ | |
315 | static | |
316 | GQuark get_prefixed_named_quark(char prefix, const char *name) | |
317 | { | |
318 | GQuark qname = 0; | |
319 | ||
320 | assert(name); | |
321 | ||
322 | /* Prefix character + original string + '\0' */ | |
323 | char *prname = g_new(char, strlen(name) + 2); | |
324 | if (!prname) { | |
325 | goto end; | |
326 | } | |
327 | ||
328 | sprintf(prname, "%c%s", prefix, name); | |
329 | qname = g_quark_from_string(prname); | |
330 | g_free(prname); | |
331 | ||
332 | end: | |
333 | return qname; | |
334 | } | |
335 | ||
336 | /** | |
337 | * Looks up a prefixed type alias within a declaration scope. | |
338 | * | |
339 | * @param scope Declaration scope | |
340 | * @param prefix Prefix character | |
341 | * @param name Alias name | |
342 | * @param level Number of levels to dig (-1 means infinite) | |
343 | * @returns Declaration, or NULL if not found | |
344 | */ | |
345 | static | |
346 | struct bt_ctf_field_type *ctx_decl_scope_lookup_prefix_alias( | |
347 | struct ctx_decl_scope *scope, char prefix, | |
348 | const char *name, int levels) | |
349 | { | |
350 | GQuark qname = 0; | |
351 | int cur_levels = 0; | |
352 | _BT_CTF_FIELD_TYPE_INIT(decl); | |
353 | struct ctx_decl_scope *cur_scope = scope; | |
354 | ||
355 | assert(scope); | |
356 | assert(name); | |
357 | qname = get_prefixed_named_quark(prefix, name); | |
358 | if (!qname) { | |
359 | goto error; | |
360 | } | |
361 | ||
362 | if (levels < 0) { | |
363 | levels = INT_MAX; | |
364 | } | |
365 | ||
366 | while (cur_scope && cur_levels < levels) { | |
367 | decl = g_hash_table_lookup(cur_scope->decl_map, | |
368 | (gconstpointer) (unsigned long) qname); | |
369 | if (decl) { | |
370 | /* Caller's reference */ | |
371 | bt_get(decl); | |
372 | break; | |
373 | } | |
374 | ||
375 | cur_scope = cur_scope->parent_scope; | |
376 | cur_levels++; | |
377 | } | |
378 | ||
379 | return decl; | |
380 | ||
381 | error: | |
382 | return NULL; | |
383 | } | |
384 | ||
385 | /** | |
386 | * Looks up a type alias within a declaration scope. | |
387 | * | |
388 | * @param scope Declaration scope | |
389 | * @param name Alias name | |
390 | * @param level Number of levels to dig (-1 means infinite) | |
391 | * @returns Declaration, or NULL if not found | |
392 | */ | |
393 | static | |
394 | struct bt_ctf_field_type *ctx_decl_scope_lookup_alias( | |
395 | struct ctx_decl_scope *scope, const char *name, int levels) | |
396 | { | |
397 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_ALIAS, | |
398 | name, levels); | |
399 | } | |
400 | ||
401 | /** | |
402 | * Looks up an enumeration within a declaration scope. | |
403 | * | |
404 | * @param scope Declaration scope | |
405 | * @param name Enumeration name | |
406 | * @param level Number of levels to dig (-1 means infinite) | |
407 | * @returns Declaration, or NULL if not found | |
408 | */ | |
409 | static | |
410 | struct bt_ctf_field_type *ctx_decl_scope_lookup_enum( | |
411 | struct ctx_decl_scope *scope, const char *name, int levels) | |
412 | { | |
413 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_ENUM, | |
414 | name, levels); | |
415 | } | |
416 | ||
417 | /** | |
418 | * Looks up a structure within a declaration scope. | |
419 | * | |
420 | * @param scope Declaration scope | |
421 | * @param name Structure name | |
422 | * @param level Number of levels to dig (-1 means infinite) | |
423 | * @returns Declaration, or NULL if not found | |
424 | */ | |
425 | static | |
426 | struct bt_ctf_field_type *ctx_decl_scope_lookup_struct( | |
427 | struct ctx_decl_scope *scope, const char *name, int levels) | |
428 | { | |
429 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_STRUCT, | |
430 | name, levels); | |
431 | } | |
432 | ||
433 | /** | |
434 | * Looks up a variant within a declaration scope. | |
435 | * | |
436 | * @param scope Declaration scope | |
437 | * @param name Variant name | |
438 | * @param level Number of levels to dig (-1 means infinite) | |
439 | * @returns Declaration, or NULL if not found | |
440 | */ | |
441 | static | |
442 | struct bt_ctf_field_type *ctx_decl_scope_lookup_variant( | |
443 | struct ctx_decl_scope *scope, const char *name, int levels) | |
444 | { | |
445 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_VARIANT, | |
446 | name, levels); | |
447 | } | |
448 | ||
449 | /** | |
450 | * Registers a prefixed type alias within a declaration scope. | |
451 | * | |
452 | * @param scope Declaration scope | |
453 | * @param prefix Prefix character | |
454 | * @param name Alias name (non-NULL) | |
455 | * @param decl Declaration to register | |
456 | * @returns 0 if registration went okay, negative value otherwise | |
457 | */ | |
458 | static | |
459 | int ctx_decl_scope_register_prefix_alias(struct ctx_decl_scope *scope, | |
460 | char prefix, const char *name, struct bt_ctf_field_type *decl) | |
461 | { | |
462 | int ret = 0; | |
463 | GQuark qname = 0; | |
464 | _BT_CTF_FIELD_TYPE_INIT(edecl); | |
465 | ||
466 | assert(scope); | |
467 | assert(name); | |
468 | assert(decl); | |
469 | qname = get_prefixed_named_quark(prefix, name); | |
470 | if (!qname) { | |
471 | ret = -ENOMEM; | |
472 | goto error; | |
473 | } | |
474 | ||
475 | /* Make sure alias does not exist in local scope */ | |
476 | edecl = ctx_decl_scope_lookup_prefix_alias(scope, prefix, name, 1); | |
477 | if (edecl) { | |
478 | BT_PUT(edecl); | |
479 | ret = -EEXIST; | |
480 | goto error; | |
481 | } | |
482 | ||
483 | g_hash_table_insert(scope->decl_map, | |
484 | (gpointer) (unsigned long) qname, decl); | |
485 | ||
486 | /* Hash table's reference */ | |
487 | bt_get(decl); | |
488 | ||
489 | return 0; | |
490 | ||
491 | error: | |
492 | return ret; | |
493 | } | |
494 | ||
495 | /** | |
496 | * Registers a type alias within a declaration scope. | |
497 | * | |
498 | * @param scope Declaration scope | |
499 | * @param name Alias name (non-NULL) | |
500 | * @param decl Declaration to register | |
501 | * @returns 0 if registration went okay, negative value otherwise | |
502 | */ | |
503 | static | |
504 | int ctx_decl_scope_register_alias(struct ctx_decl_scope *scope, | |
505 | const char *name, struct bt_ctf_field_type *decl) | |
506 | { | |
507 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_ALIAS, | |
508 | name, decl); | |
509 | } | |
510 | ||
511 | /** | |
512 | * Registers an enumeration declaration within a declaration scope. | |
513 | * | |
514 | * @param scope Declaration scope | |
515 | * @param name Enumeration name (non-NULL) | |
516 | * @param decl Enumeration declaration to register | |
517 | * @returns 0 if registration went okay, negative value otherwise | |
518 | */ | |
519 | static | |
520 | int ctx_decl_scope_register_enum(struct ctx_decl_scope *scope, | |
521 | const char *name, struct bt_ctf_field_type *decl) | |
522 | { | |
523 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_ENUM, | |
524 | name, decl); | |
525 | } | |
526 | ||
527 | /** | |
528 | * Registers a structure declaration within a declaration scope. | |
529 | * | |
530 | * @param scope Declaration scope | |
531 | * @param name Structure name (non-NULL) | |
532 | * @param decl Structure declaration to register | |
533 | * @returns 0 if registration went okay, negative value otherwise | |
534 | */ | |
535 | static | |
536 | int ctx_decl_scope_register_struct(struct ctx_decl_scope *scope, | |
537 | const char *name, struct bt_ctf_field_type *decl) | |
538 | { | |
539 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_STRUCT, | |
540 | name, decl); | |
541 | } | |
542 | ||
543 | /** | |
544 | * Registers a variant declaration within a declaration scope. | |
545 | * | |
546 | * @param scope Declaration scope | |
547 | * @param name Variant name (non-NULL) | |
548 | * @param decl Variant declaration to register | |
549 | * @returns 0 if registration went okay, negative value otherwise | |
550 | */ | |
551 | static | |
552 | int ctx_decl_scope_register_variant(struct ctx_decl_scope *scope, | |
553 | const char *name, struct bt_ctf_field_type *decl) | |
554 | { | |
555 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_VARIANT, | |
556 | name, decl); | |
557 | } | |
558 | ||
559 | /** | |
560 | * Creates a new visitor context. | |
561 | * | |
562 | * @param trace Associated trace | |
563 | * @param efd Error stream | |
564 | * @returns New visitor context, or NULL on error | |
565 | */ | |
566 | static | |
567 | struct ctx *ctx_create(struct bt_ctf_trace *trace, FILE *efd) | |
568 | { | |
569 | struct ctx *ctx = NULL; | |
570 | struct ctx_decl_scope *scope = NULL; | |
571 | ||
572 | ctx = g_new(struct ctx, 1); | |
573 | if (!ctx) { | |
574 | goto error; | |
575 | } | |
576 | ||
577 | /* Root declaration scope */ | |
578 | scope = ctx_decl_scope_create(NULL); | |
579 | if (!scope) { | |
580 | goto error; | |
581 | } | |
582 | ||
583 | ctx->stream_classes = g_hash_table_new_full(g_direct_hash, | |
584 | g_direct_equal, NULL, (GDestroyNotify) bt_put); | |
585 | if (!ctx->stream_classes) { | |
586 | goto error; | |
587 | } | |
588 | ||
589 | ctx->trace = trace; | |
590 | ctx->efd = efd; | |
591 | ctx->current_scope = scope; | |
592 | ctx->is_trace_visited = FALSE; | |
593 | ||
594 | return ctx; | |
595 | ||
596 | error: | |
597 | g_free(ctx); | |
598 | ctx_decl_scope_destroy(scope); | |
599 | ||
600 | return NULL; | |
601 | } | |
602 | ||
603 | /** | |
604 | * Destroys a visitor context. | |
605 | * | |
606 | * @param ctx Visitor context to destroy | |
607 | */ | |
608 | static | |
609 | void ctx_destroy(struct ctx *ctx) | |
610 | { | |
611 | struct ctx_decl_scope *scope; | |
612 | /* | |
613 | * Destroy all scopes, from current one to the root scope. | |
614 | */ | |
615 | ||
616 | if (!ctx) { | |
617 | goto end; | |
618 | } | |
619 | ||
620 | scope = ctx->current_scope; | |
621 | ||
622 | while (scope) { | |
623 | struct ctx_decl_scope *parent_scope = scope->parent_scope; | |
624 | ||
625 | ctx_decl_scope_destroy(scope); | |
626 | scope = parent_scope; | |
627 | } | |
628 | ||
629 | g_hash_table_destroy(ctx->stream_classes); | |
630 | g_free(ctx); | |
631 | ||
632 | end: | |
633 | return; | |
634 | } | |
635 | ||
636 | /** | |
637 | * Pushes a new declaration scope on top of a visitor context's | |
638 | * declaration scope stack. | |
639 | * | |
640 | * @param ctx Visitor context | |
641 | * @returns 0 on success, or a negative value on error | |
642 | */ | |
643 | static | |
644 | int ctx_push_scope(struct ctx *ctx) | |
645 | { | |
646 | int ret = 0; | |
647 | struct ctx_decl_scope *new_scope; | |
648 | ||
649 | assert(ctx); | |
650 | new_scope = ctx_decl_scope_create(ctx->current_scope); | |
651 | if (!new_scope) { | |
652 | ret = -ENOMEM; | |
653 | goto end; | |
654 | } | |
655 | ||
656 | ctx->current_scope = new_scope; | |
657 | ||
658 | end: | |
659 | return ret; | |
660 | } | |
661 | ||
662 | static | |
663 | void ctx_pop_scope(struct ctx *ctx) | |
664 | { | |
665 | struct ctx_decl_scope *parent_scope = NULL; | |
666 | ||
667 | assert(ctx); | |
668 | ||
669 | if (!ctx->current_scope) { | |
670 | goto end; | |
671 | } | |
672 | ||
673 | parent_scope = ctx->current_scope->parent_scope; | |
674 | ctx_decl_scope_destroy(ctx->current_scope); | |
675 | ctx->current_scope = parent_scope; | |
676 | ||
677 | end: | |
678 | return; | |
679 | } | |
680 | ||
681 | static | |
682 | int visit_type_specifier_list(struct ctx *ctx, struct ctf_node *ts_list, | |
683 | struct bt_ctf_field_type **decl); | |
684 | ||
685 | static | |
686 | int is_unary_string(struct bt_list_head *head) | |
687 | { | |
688 | int ret = TRUE; | |
689 | struct ctf_node *node; | |
690 | ||
691 | bt_list_for_each_entry(node, head, siblings) { | |
692 | if (node->type != NODE_UNARY_EXPRESSION) { | |
693 | ret = FALSE; | |
694 | } | |
695 | ||
696 | if (node->u.unary_expression.type != UNARY_STRING) { | |
697 | ret = FALSE; | |
698 | } | |
699 | } | |
700 | ||
701 | return ret; | |
702 | } | |
703 | ||
704 | static | |
705 | char *concatenate_unary_strings(struct bt_list_head *head) | |
706 | { | |
707 | int i = 0; | |
708 | GString *str; | |
709 | struct ctf_node *node; | |
710 | ||
711 | str = g_string_new(NULL); | |
712 | ||
713 | bt_list_for_each_entry(node, head, siblings) { | |
714 | char *src_string; | |
715 | ||
716 | if ( | |
717 | node->type != NODE_UNARY_EXPRESSION || | |
718 | node->u.unary_expression.type != UNARY_STRING || | |
719 | !( | |
720 | ( | |
721 | node->u.unary_expression.link != | |
722 | UNARY_LINK_UNKNOWN | |
723 | ) ^ (i == 0) | |
724 | ) | |
725 | ) { | |
726 | goto error; | |
727 | } | |
728 | ||
729 | switch (node->u.unary_expression.link) { | |
730 | case UNARY_DOTLINK: | |
731 | g_string_append(str, "."); | |
732 | break; | |
733 | case UNARY_ARROWLINK: | |
734 | g_string_append(str, "->"); | |
735 | break; | |
736 | case UNARY_DOTDOTDOT: | |
737 | g_string_append(str, "..."); | |
738 | break; | |
739 | default: | |
740 | break; | |
741 | } | |
742 | ||
743 | src_string = node->u.unary_expression.u.string; | |
744 | g_string_append(str, src_string); | |
745 | i++; | |
746 | } | |
747 | ||
748 | /* Destroys the container, returns the underlying string */ | |
749 | return g_string_free(str, FALSE); | |
750 | ||
751 | error: | |
752 | /* This always returns NULL */ | |
753 | return g_string_free(str, TRUE); | |
754 | } | |
755 | ||
756 | static | |
757 | const char *get_map_clock_name_value(struct bt_list_head *head) | |
758 | { | |
759 | int i = 0; | |
760 | struct ctf_node *node; | |
761 | const char *name = NULL; | |
762 | ||
763 | bt_list_for_each_entry(node, head, siblings) { | |
764 | char *src_string; | |
765 | int uexpr_type = node->u.unary_expression.type; | |
766 | int uexpr_link = node->u.unary_expression.link; | |
767 | int cond = node->type != NODE_UNARY_EXPRESSION || | |
768 | uexpr_type != UNARY_STRING || | |
769 | !((uexpr_link != UNARY_LINK_UNKNOWN) ^ (i == 0)); | |
770 | if (cond) { | |
771 | goto error; | |
772 | } | |
773 | ||
774 | /* Needs to be chained with . */ | |
775 | switch (node->u.unary_expression.link) { | |
776 | case UNARY_DOTLINK: | |
777 | break; | |
778 | case UNARY_ARROWLINK: | |
779 | case UNARY_DOTDOTDOT: | |
780 | goto error; | |
781 | default: | |
782 | break; | |
783 | } | |
784 | ||
785 | src_string = node->u.unary_expression.u.string; | |
786 | ||
787 | switch (i) { | |
788 | case 0: | |
789 | if (strcmp("clock", src_string)) { | |
790 | goto error; | |
791 | } | |
792 | break; | |
793 | case 1: | |
794 | name = src_string; | |
795 | break; | |
796 | case 2: | |
797 | if (strcmp("value", src_string)) { | |
798 | goto error; | |
799 | } | |
800 | break; | |
801 | default: | |
802 | /* Extra identifier, unknown */ | |
803 | goto error; | |
804 | } | |
805 | ||
806 | i++; | |
807 | } | |
808 | ||
809 | return name; | |
810 | ||
811 | error: | |
812 | return NULL; | |
813 | } | |
814 | ||
815 | static | |
816 | int is_unary_unsigned(struct bt_list_head *head) | |
817 | { | |
818 | int ret = TRUE; | |
819 | struct ctf_node *node; | |
820 | ||
821 | bt_list_for_each_entry(node, head, siblings) { | |
822 | if (node->type != NODE_UNARY_EXPRESSION) { | |
823 | ret = FALSE; | |
824 | } | |
825 | ||
826 | if (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
827 | ret = FALSE; | |
828 | } | |
829 | } | |
830 | ||
831 | return ret; | |
832 | } | |
833 | ||
834 | static | |
835 | int get_unary_unsigned(struct bt_list_head *head, uint64_t *value) | |
836 | { | |
837 | int i = 0; | |
838 | int ret = 0; | |
839 | struct ctf_node *node; | |
840 | ||
841 | bt_list_for_each_entry(node, head, siblings) { | |
842 | int uexpr_type = node->u.unary_expression.type; | |
843 | int uexpr_link = node->u.unary_expression.link; | |
844 | int cond = node->type != NODE_UNARY_EXPRESSION || | |
845 | uexpr_type != UNARY_UNSIGNED_CONSTANT || | |
846 | uexpr_link != UNARY_LINK_UNKNOWN || i != 0; | |
847 | if (cond) { | |
848 | ret = -EINVAL; | |
849 | goto end; | |
850 | } | |
851 | ||
852 | *value = node->u.unary_expression.u.unsigned_constant; | |
853 | i++; | |
854 | } | |
855 | ||
856 | end: | |
857 | return ret; | |
858 | } | |
859 | ||
860 | static | |
861 | int is_unary_signed(struct bt_list_head *head) | |
862 | { | |
863 | int ret = TRUE; | |
864 | struct ctf_node *node; | |
865 | ||
866 | bt_list_for_each_entry(node, head, siblings) { | |
867 | if (node->type != NODE_UNARY_EXPRESSION) { | |
868 | ret = FALSE; | |
869 | } | |
870 | ||
871 | if (node->u.unary_expression.type != UNARY_SIGNED_CONSTANT) { | |
872 | ret = FALSE; | |
873 | } | |
874 | } | |
875 | ||
876 | return ret; | |
877 | } | |
878 | ||
879 | static | |
880 | int get_unary_signed(struct bt_list_head *head, int64_t *value) | |
881 | { | |
882 | int i = 0; | |
883 | int ret = 0; | |
884 | struct ctf_node *node; | |
885 | ||
886 | bt_list_for_each_entry(node, head, siblings) { | |
887 | int uexpr_type = node->u.unary_expression.type; | |
888 | int uexpr_link = node->u.unary_expression.link; | |
889 | int cond = node->type != NODE_UNARY_EXPRESSION || | |
890 | (uexpr_type != UNARY_UNSIGNED_CONSTANT) || | |
891 | (uexpr_type != UNARY_UNSIGNED_CONSTANT && | |
892 | uexpr_type != UNARY_SIGNED_CONSTANT) || | |
893 | uexpr_link != UNARY_LINK_UNKNOWN || i != 0; | |
894 | if (cond) { | |
895 | ret = -EINVAL; | |
896 | goto end; | |
897 | } | |
898 | ||
899 | switch (node->u.unary_expression.type) { | |
900 | case UNARY_UNSIGNED_CONSTANT: | |
901 | *value = (int64_t) | |
902 | node->u.unary_expression.u.unsigned_constant; | |
903 | break; | |
904 | case UNARY_SIGNED_CONSTANT: | |
905 | *value = node->u.unary_expression.u.signed_constant; | |
906 | break; | |
907 | default: | |
908 | ret = -EINVAL; | |
909 | goto end; | |
910 | } | |
911 | ||
912 | i++; | |
913 | } | |
914 | ||
915 | end: | |
916 | return ret; | |
917 | } | |
918 | ||
919 | static | |
920 | int get_unary_uuid(struct bt_list_head *head, unsigned char *uuid) | |
921 | { | |
922 | int i = 0; | |
923 | int ret = 0; | |
924 | struct ctf_node *node; | |
925 | ||
926 | bt_list_for_each_entry(node, head, siblings) { | |
927 | int uexpr_type = node->u.unary_expression.type; | |
928 | int uexpr_link = node->u.unary_expression.link; | |
929 | const char *src_string; | |
930 | ||
931 | if (node->type != NODE_UNARY_EXPRESSION || | |
932 | uexpr_type != UNARY_STRING || | |
933 | uexpr_link != UNARY_LINK_UNKNOWN || | |
934 | i != 0) { | |
935 | ret = -EINVAL; | |
936 | goto end; | |
937 | } | |
938 | ||
939 | src_string = node->u.unary_expression.u.string; | |
940 | ret = bt_uuid_parse(src_string, uuid); | |
941 | if (ret) { | |
942 | goto end; | |
943 | } | |
944 | } | |
945 | ||
946 | end: | |
947 | return ret; | |
948 | } | |
949 | ||
950 | static | |
951 | int get_boolean(FILE *efd, struct ctf_node *unary_expr) | |
952 | { | |
953 | int ret = 0; | |
954 | ||
955 | if (unary_expr->type != NODE_UNARY_EXPRESSION) { | |
956 | _FPERROR(efd, "%s", "expecting unary expression"); | |
957 | ret = -EINVAL; | |
958 | goto end; | |
959 | } | |
960 | ||
961 | switch (unary_expr->u.unary_expression.type) { | |
962 | case UNARY_UNSIGNED_CONSTANT: | |
963 | ret = (unary_expr->u.unary_expression.u.unsigned_constant != 0); | |
964 | break; | |
965 | case UNARY_SIGNED_CONSTANT: | |
966 | ret = (unary_expr->u.unary_expression.u.signed_constant != 0); | |
967 | break; | |
968 | case UNARY_STRING: | |
969 | { | |
970 | const char *str = unary_expr->u.unary_expression.u.string; | |
971 | ||
972 | if (!strcmp(str, "true") || !strcmp(str, "TRUE")) { | |
973 | ret = TRUE; | |
974 | } else if (!strcmp(str, "false") || !strcmp(str, "FALSE")) { | |
975 | ret = FALSE; | |
976 | } else { | |
977 | _FPERROR(efd, "unexpected string \"%s\"", str); | |
978 | ret = -EINVAL; | |
979 | goto end; | |
980 | } | |
981 | break; | |
982 | } | |
983 | default: | |
984 | _FPERROR(efd, "%s", "unexpected unary expression type"); | |
985 | ret = -EINVAL; | |
986 | goto end; | |
987 | } | |
988 | ||
989 | end: | |
990 | return ret; | |
991 | } | |
992 | ||
993 | static | |
994 | enum bt_ctf_byte_order byte_order_from_unary_expr(FILE *efd, | |
995 | struct ctf_node *unary_expr) | |
996 | { | |
997 | const char *str; | |
998 | enum bt_ctf_byte_order bo = BT_CTF_BYTE_ORDER_UNKNOWN; | |
999 | ||
1000 | if (unary_expr->u.unary_expression.type != UNARY_STRING) { | |
1001 | _FPERROR(efd, "%s", | |
1002 | "\"byte_order\" attribute: expecting string"); | |
1003 | goto end; | |
1004 | } | |
1005 | ||
1006 | str = unary_expr->u.unary_expression.u.string; | |
1007 | ||
1008 | if (!strcmp(str, "be") || !strcmp(str, "network")) { | |
1009 | bo = BT_CTF_BYTE_ORDER_BIG_ENDIAN; | |
1010 | } else if (!strcmp(str, "le")) { | |
1011 | bo = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; | |
1012 | } else if (!strcmp(str, "native")) { | |
1013 | bo = BT_CTF_BYTE_ORDER_NATIVE; | |
1014 | } else { | |
1015 | _FPERROR(efd, "unexpected \"byte_order\" attribute value \"%s\"; should be \"be\", \"le\", \"network\", or \"native\"", | |
1016 | str); | |
1017 | goto end; | |
1018 | } | |
1019 | ||
1020 | end: | |
1021 | return bo; | |
1022 | } | |
1023 | ||
1024 | static | |
1025 | enum bt_ctf_byte_order get_real_byte_order(struct ctx *ctx, | |
1026 | struct ctf_node *uexpr) | |
1027 | { | |
1028 | enum bt_ctf_byte_order bo = byte_order_from_unary_expr(ctx->efd, uexpr); | |
1029 | ||
1030 | if (bo == BT_CTF_BYTE_ORDER_NATIVE) { | |
1031 | bo = bt_ctf_trace_get_byte_order(ctx->trace); | |
1032 | } | |
1033 | ||
1034 | return bo; | |
1035 | } | |
1036 | ||
1037 | static | |
1038 | int is_align_valid(uint64_t align) | |
1039 | { | |
1040 | return (align != 0) && !(align & (align - 1)); | |
1041 | } | |
1042 | ||
1043 | static | |
1044 | int get_type_specifier_name(struct ctx *ctx, struct ctf_node *type_specifier, | |
1045 | GString *str) | |
1046 | { | |
1047 | int ret = 0; | |
1048 | ||
1049 | if (type_specifier->type != NODE_TYPE_SPECIFIER) { | |
1050 | ret = -EINVAL; | |
1051 | goto end; | |
1052 | } | |
1053 | ||
1054 | switch (type_specifier->u.type_specifier.type) { | |
1055 | case TYPESPEC_VOID: | |
1056 | g_string_append(str, "void"); | |
1057 | break; | |
1058 | case TYPESPEC_CHAR: | |
1059 | g_string_append(str, "char"); | |
1060 | break; | |
1061 | case TYPESPEC_SHORT: | |
1062 | g_string_append(str, "short"); | |
1063 | break; | |
1064 | case TYPESPEC_INT: | |
1065 | g_string_append(str, "int"); | |
1066 | break; | |
1067 | case TYPESPEC_LONG: | |
1068 | g_string_append(str, "long"); | |
1069 | break; | |
1070 | case TYPESPEC_FLOAT: | |
1071 | g_string_append(str, "float"); | |
1072 | break; | |
1073 | case TYPESPEC_DOUBLE: | |
1074 | g_string_append(str, "double"); | |
1075 | break; | |
1076 | case TYPESPEC_SIGNED: | |
1077 | g_string_append(str, "signed"); | |
1078 | break; | |
1079 | case TYPESPEC_UNSIGNED: | |
1080 | g_string_append(str, "unsigned"); | |
1081 | break; | |
1082 | case TYPESPEC_BOOL: | |
1083 | g_string_append(str, "bool"); | |
1084 | break; | |
1085 | case TYPESPEC_COMPLEX: | |
1086 | g_string_append(str, "_Complex"); | |
1087 | break; | |
1088 | case TYPESPEC_IMAGINARY: | |
1089 | g_string_append(str, "_Imaginary"); | |
1090 | break; | |
1091 | case TYPESPEC_CONST: | |
1092 | g_string_append(str, "const"); | |
1093 | break; | |
1094 | case TYPESPEC_ID_TYPE: | |
1095 | if (type_specifier->u.type_specifier.id_type) { | |
1096 | g_string_append(str, | |
1097 | type_specifier->u.type_specifier.id_type); | |
1098 | } | |
1099 | break; | |
1100 | case TYPESPEC_STRUCT: | |
1101 | { | |
1102 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
1103 | ||
1104 | if (!node->u._struct.name) { | |
1105 | _PERROR("%s", "unexpected empty structure name"); | |
1106 | ret = -EINVAL; | |
1107 | goto end; | |
1108 | } | |
1109 | ||
1110 | g_string_append(str, "struct "); | |
1111 | g_string_append(str, node->u._struct.name); | |
1112 | break; | |
1113 | } | |
1114 | case TYPESPEC_VARIANT: | |
1115 | { | |
1116 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
1117 | ||
1118 | if (!node->u.variant.name) { | |
1119 | _PERROR("%s", "unexpected empty variant name"); | |
1120 | ret = -EINVAL; | |
1121 | goto end; | |
1122 | } | |
1123 | ||
1124 | g_string_append(str, "variant "); | |
1125 | g_string_append(str, node->u.variant.name); | |
1126 | break; | |
1127 | } | |
1128 | case TYPESPEC_ENUM: | |
1129 | { | |
1130 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
1131 | ||
1132 | if (!node->u._enum.enum_id) { | |
1133 | _PERROR("%s", "unexpected empty enum name"); | |
1134 | ret = -EINVAL; | |
1135 | goto end; | |
1136 | } | |
1137 | ||
1138 | g_string_append(str, "enum "); | |
1139 | g_string_append(str, node->u._enum.enum_id); | |
1140 | break; | |
1141 | } | |
1142 | case TYPESPEC_FLOATING_POINT: | |
1143 | case TYPESPEC_INTEGER: | |
1144 | case TYPESPEC_STRING: | |
1145 | default: | |
1146 | _PERROR("%s", "unknown specifier"); | |
1147 | ret = -EINVAL; | |
1148 | goto end; | |
1149 | } | |
1150 | ||
1151 | end: | |
1152 | return ret; | |
1153 | } | |
1154 | ||
1155 | static | |
1156 | int get_type_specifier_list_name(struct ctx *ctx, | |
1157 | struct ctf_node *type_specifier_list, GString *str) | |
1158 | { | |
1159 | int ret; | |
1160 | struct ctf_node *iter; | |
1161 | int alias_item_nr = 0; | |
1162 | struct bt_list_head *head = | |
1163 | &type_specifier_list->u.type_specifier_list.head; | |
1164 | ||
1165 | bt_list_for_each_entry(iter, head, siblings) { | |
1166 | if (alias_item_nr != 0) { | |
1167 | g_string_append(str, " "); | |
1168 | } | |
1169 | ||
1170 | alias_item_nr++; | |
1171 | ret = get_type_specifier_name(ctx, iter, str); | |
1172 | if (ret) { | |
1173 | goto end; | |
1174 | } | |
1175 | } | |
1176 | ||
1177 | end: | |
1178 | return ret; | |
1179 | } | |
1180 | ||
1181 | static | |
1182 | GQuark create_typealias_identifier(struct ctx *ctx, | |
1183 | struct ctf_node *type_specifier_list, | |
1184 | struct ctf_node *node_type_declarator) | |
1185 | { | |
1186 | int ret; | |
1187 | char *str_c; | |
1188 | GString *str; | |
1189 | GQuark qalias = 0; | |
1190 | struct ctf_node *iter; | |
1191 | struct bt_list_head *pointers = | |
1192 | &node_type_declarator->u.type_declarator.pointers; | |
1193 | ||
1194 | str = g_string_new(""); | |
1195 | ret = get_type_specifier_list_name(ctx, type_specifier_list, str); | |
1196 | if (ret) { | |
1197 | g_string_free(str, TRUE); | |
1198 | goto end; | |
1199 | } | |
1200 | ||
1201 | bt_list_for_each_entry(iter, pointers, siblings) { | |
1202 | g_string_append(str, " *"); | |
1203 | ||
1204 | if (iter->u.pointer.const_qualifier) { | |
1205 | g_string_append(str, " const"); | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | str_c = g_string_free(str, FALSE); | |
1210 | qalias = g_quark_from_string(str_c); | |
1211 | g_free(str_c); | |
1212 | ||
1213 | end: | |
1214 | return qalias; | |
1215 | } | |
1216 | ||
1217 | static | |
1218 | int visit_type_declarator(struct ctx *ctx, struct ctf_node *type_specifier_list, | |
1219 | GQuark *field_name, struct ctf_node *node_type_declarator, | |
1220 | struct bt_ctf_field_type **field_decl, | |
1221 | struct bt_ctf_field_type *nested_decl) | |
1222 | { | |
1223 | /* | |
1224 | * During this whole function, nested_decl is always OURS, | |
1225 | * whereas field_decl is an output which we create, but | |
1226 | * belongs to the caller (it is moved). | |
1227 | */ | |
1228 | ||
1229 | int ret = 0; | |
1230 | *field_decl = NULL; | |
1231 | ||
1232 | /* Validate type declarator node */ | |
1233 | if (node_type_declarator) { | |
1234 | if (node_type_declarator->u.type_declarator.type == | |
1235 | TYPEDEC_UNKNOWN) { | |
1236 | ret = -EINVAL; | |
1237 | goto error; | |
1238 | } | |
1239 | ||
1240 | /* TODO: GCC bitfields not supported yet */ | |
1241 | if (node_type_declarator->u.type_declarator.bitfield_len != | |
1242 | NULL) { | |
1243 | _PERROR("%s", "GCC bitfields are not supported as of this version"); | |
1244 | ret = -EPERM; | |
1245 | goto error; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | /* Find the right nested declaration if not provided */ | |
1250 | if (!nested_decl) { | |
1251 | struct bt_list_head *pointers = | |
1252 | &node_type_declarator->u.type_declarator.pointers; | |
1253 | ||
1254 | if (node_type_declarator && !bt_list_empty(pointers)) { | |
1255 | GQuark qalias; | |
1256 | _BT_CTF_FIELD_TYPE_INIT(nested_decl_copy); | |
1257 | ||
1258 | /* | |
1259 | * If we have a pointer declarator, it HAS to | |
1260 | * be present in the typealiases (else fail). | |
1261 | */ | |
1262 | qalias = create_typealias_identifier(ctx, | |
1263 | type_specifier_list, node_type_declarator); | |
1264 | nested_decl = | |
1265 | ctx_decl_scope_lookup_alias(ctx->current_scope, | |
1266 | g_quark_to_string(qalias), -1); | |
1267 | if (!nested_decl) { | |
1268 | _PERROR("cannot find typealias \"%s\"", | |
1269 | g_quark_to_string(qalias)); | |
1270 | ret = -EINVAL; | |
1271 | goto error; | |
1272 | } | |
1273 | ||
1274 | /* Make a copy of it */ | |
1275 | nested_decl_copy = bt_ctf_field_type_copy(nested_decl); | |
1276 | BT_PUT(nested_decl); | |
1277 | if (!nested_decl_copy) { | |
1278 | _PERROR("%s", "cannot copy nested declaration"); | |
1279 | ret = -EINVAL; | |
1280 | goto error; | |
1281 | } | |
1282 | ||
1283 | BT_MOVE(nested_decl, nested_decl_copy); | |
1284 | ||
1285 | /* Force integer's base to 16 since it's a pointer */ | |
1286 | if (bt_ctf_field_type_is_integer(nested_decl)) { | |
1287 | bt_ctf_field_type_integer_set_base(nested_decl, | |
1288 | BT_CTF_INTEGER_BASE_HEXADECIMAL); | |
1289 | } | |
1290 | } else { | |
1291 | ret = visit_type_specifier_list(ctx, | |
1292 | type_specifier_list, &nested_decl); | |
1293 | if (ret) { | |
1294 | assert(!nested_decl); | |
1295 | goto error; | |
1296 | } | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | assert(nested_decl); | |
1301 | ||
1302 | if (!node_type_declarator) { | |
1303 | BT_MOVE(*field_decl, nested_decl); | |
1304 | goto end; | |
1305 | } | |
1306 | ||
1307 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { | |
1308 | if (node_type_declarator->u.type_declarator.u.id) { | |
1309 | const char *id = | |
1310 | node_type_declarator->u.type_declarator.u.id; | |
1311 | ||
1312 | *field_name = g_quark_from_string(id); | |
1313 | } else { | |
1314 | *field_name = 0; | |
1315 | } | |
1316 | ||
1317 | BT_MOVE(*field_decl, nested_decl); | |
1318 | goto end; | |
1319 | } else { | |
1320 | struct ctf_node *first; | |
1321 | _BT_CTF_FIELD_TYPE_INIT(decl); | |
1322 | _BT_CTF_FIELD_TYPE_INIT(outer_field_decl); | |
1323 | struct bt_list_head *length = | |
1324 | &node_type_declarator-> | |
1325 | u.type_declarator.u.nested.length; | |
1326 | ||
1327 | /* Create array/sequence, pass nested_decl as child */ | |
1328 | if (bt_list_empty(length)) { | |
1329 | _PERROR("%s", | |
1330 | "expecting length field reference or value"); | |
1331 | ret = -EINVAL; | |
1332 | goto error; | |
1333 | } | |
1334 | ||
1335 | first = _BT_LIST_FIRST_ENTRY(length, struct ctf_node, siblings); | |
1336 | if (first->type != NODE_UNARY_EXPRESSION) { | |
1337 | ret = -EINVAL; | |
1338 | goto error; | |
1339 | } | |
1340 | ||
1341 | switch (first->u.unary_expression.type) { | |
1342 | case UNARY_UNSIGNED_CONSTANT: | |
1343 | { | |
1344 | size_t len; | |
1345 | _BT_CTF_FIELD_TYPE_INIT(array_decl); | |
1346 | ||
1347 | len = first->u.unary_expression.u.unsigned_constant; | |
1348 | array_decl = bt_ctf_field_type_array_create(nested_decl, | |
1349 | len); | |
1350 | BT_PUT(nested_decl); | |
1351 | if (!array_decl) { | |
1352 | _PERROR("%s", | |
1353 | "cannot create array declaration"); | |
1354 | ret = -ENOMEM; | |
1355 | goto error; | |
1356 | } | |
1357 | ||
1358 | BT_MOVE(decl, array_decl); | |
1359 | break; | |
1360 | } | |
1361 | case UNARY_STRING: | |
1362 | { | |
1363 | /* Lookup unsigned integer definition, create seq. */ | |
1364 | _BT_CTF_FIELD_TYPE_INIT(seq_decl); | |
1365 | char *length_name = concatenate_unary_strings(length); | |
1366 | ||
1367 | if (!length_name) { | |
1368 | ret = -EINVAL; | |
1369 | goto error; | |
1370 | } | |
1371 | ||
1372 | seq_decl = bt_ctf_field_type_sequence_create( | |
1373 | nested_decl, length_name); | |
1374 | g_free(length_name); | |
1375 | BT_PUT(nested_decl); | |
1376 | if (!seq_decl) { | |
1377 | _PERROR("%s", | |
1378 | "cannot create sequence declaration"); | |
1379 | ret = -ENOMEM; | |
1380 | goto error; | |
1381 | } | |
1382 | ||
1383 | BT_MOVE(decl, seq_decl); | |
1384 | break; | |
1385 | } | |
1386 | default: | |
1387 | ret = -EINVAL; | |
1388 | goto error; | |
1389 | } | |
1390 | ||
1391 | assert(!nested_decl); | |
1392 | assert(decl); | |
1393 | assert(!*field_decl); | |
1394 | ||
1395 | /* | |
1396 | * At this point, we found the next nested declaration. | |
1397 | * We currently own this (and lost the ownership of | |
1398 | * nested_decl in the meantime). Pass this next | |
1399 | * nested declaration as the content of the outer | |
1400 | * container, MOVING its ownership. | |
1401 | */ | |
1402 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1403 | field_name, | |
1404 | node_type_declarator-> | |
1405 | u.type_declarator.u.nested.type_declarator, | |
1406 | &outer_field_decl, decl); | |
1407 | decl = NULL; | |
1408 | if (ret) { | |
1409 | assert(!outer_field_decl); | |
1410 | ret = -EINVAL; | |
1411 | goto error; | |
1412 | } | |
1413 | ||
1414 | assert(outer_field_decl); | |
1415 | BT_MOVE(*field_decl, outer_field_decl); | |
1416 | } | |
1417 | ||
1418 | end: | |
1419 | BT_PUT(nested_decl); | |
1420 | assert(*field_decl); | |
1421 | ||
1422 | return 0; | |
1423 | ||
1424 | error: | |
1425 | BT_PUT(nested_decl); | |
1426 | BT_PUT(*field_decl); | |
1427 | ||
1428 | return ret; | |
1429 | } | |
1430 | ||
1431 | static | |
1432 | int visit_struct_decl_field(struct ctx *ctx, | |
1433 | struct bt_ctf_field_type *struct_decl, | |
1434 | struct ctf_node *type_specifier_list, | |
1435 | struct bt_list_head *type_declarators) | |
1436 | { | |
1437 | int ret = 0; | |
1438 | struct ctf_node *iter; | |
1439 | _BT_CTF_FIELD_TYPE_INIT(field_decl); | |
1440 | ||
1441 | bt_list_for_each_entry(iter, type_declarators, siblings) { | |
1442 | field_decl = NULL; | |
1443 | GQuark qfield_name; | |
1444 | const char *field_name; | |
1445 | _BT_CTF_FIELD_TYPE_INIT(efield_decl); | |
1446 | ||
1447 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1448 | &qfield_name, iter, &field_decl, NULL); | |
1449 | if (ret) { | |
1450 | assert(!field_decl); | |
1451 | _PERROR("%s", "unable to find structure field declaration type"); | |
1452 | goto error; | |
1453 | } | |
1454 | ||
1455 | assert(field_decl); | |
1456 | field_name = g_quark_to_string(qfield_name); | |
1457 | ||
1458 | /* Check if field with same name already exists */ | |
1459 | efield_decl = | |
1460 | bt_ctf_field_type_structure_get_field_type_by_name( | |
1461 | struct_decl, field_name); | |
1462 | if (efield_decl) { | |
1463 | BT_PUT(efield_decl); | |
1464 | _PERROR("duplicate field \"%s\" in structure", | |
1465 | field_name); | |
1466 | ret = -EINVAL; | |
1467 | goto error; | |
1468 | } | |
1469 | ||
1470 | /* Add field to structure */ | |
1471 | ret = bt_ctf_field_type_structure_add_field(struct_decl, | |
1472 | field_decl, field_name); | |
1473 | BT_PUT(field_decl); | |
1474 | if (ret) { | |
1475 | _PERROR("cannot add field \"%s\" to structure", | |
1476 | g_quark_to_string(qfield_name)); | |
1477 | goto error; | |
1478 | } | |
1479 | } | |
1480 | ||
1481 | return 0; | |
1482 | ||
1483 | error: | |
1484 | BT_PUT(field_decl); | |
1485 | ||
1486 | return ret; | |
1487 | } | |
1488 | ||
1489 | static | |
1490 | int visit_variant_decl_field(struct ctx *ctx, | |
1491 | struct bt_ctf_field_type *variant_decl, | |
1492 | struct ctf_node *type_specifier_list, | |
1493 | struct bt_list_head *type_declarators) | |
1494 | { | |
1495 | int ret = 0; | |
1496 | struct ctf_node *iter; | |
1497 | _BT_CTF_FIELD_TYPE_INIT(field_decl); | |
1498 | ||
1499 | bt_list_for_each_entry(iter, type_declarators, siblings) { | |
1500 | field_decl = NULL; | |
1501 | GQuark qfield_name; | |
1502 | const char *field_name; | |
1503 | _BT_CTF_FIELD_TYPE_INIT(efield_decl); | |
1504 | ||
1505 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1506 | &qfield_name, iter, &field_decl, NULL); | |
1507 | if (ret) { | |
1508 | assert(!field_decl); | |
1509 | _PERROR("%s", | |
1510 | "unable to find variant field declaration type"); | |
1511 | goto error; | |
1512 | } | |
1513 | ||
1514 | assert(field_decl); | |
1515 | field_name = g_quark_to_string(qfield_name); | |
1516 | ||
1517 | /* Check if field with same name already exists */ | |
1518 | efield_decl = | |
1519 | bt_ctf_field_type_variant_get_field_type_by_name( | |
1520 | variant_decl, field_name); | |
1521 | if (efield_decl) { | |
1522 | BT_PUT(efield_decl); | |
1523 | _PERROR("duplicate field \"%s\" in variant", | |
1524 | field_name); | |
1525 | ret = -EINVAL; | |
1526 | goto error; | |
1527 | } | |
1528 | ||
1529 | /* Add field to structure */ | |
1530 | ret = bt_ctf_field_type_variant_add_field(variant_decl, | |
1531 | field_decl, field_name); | |
1532 | BT_PUT(field_decl); | |
1533 | if (ret) { | |
1534 | _PERROR("cannot add field \"%s\" to variant", | |
1535 | g_quark_to_string(qfield_name)); | |
1536 | goto error; | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | return 0; | |
1541 | ||
1542 | error: | |
1543 | BT_PUT(field_decl); | |
1544 | ||
1545 | return ret; | |
1546 | } | |
1547 | ||
1548 | static | |
1549 | int visit_typedef(struct ctx *ctx, struct ctf_node *type_specifier_list, | |
1550 | struct bt_list_head *type_declarators) | |
1551 | { | |
1552 | int ret = 0; | |
1553 | GQuark qidentifier; | |
1554 | struct ctf_node *iter; | |
1555 | _BT_CTF_FIELD_TYPE_INIT(type_decl); | |
1556 | ||
1557 | bt_list_for_each_entry(iter, type_declarators, siblings) { | |
1558 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1559 | &qidentifier, iter, &type_decl, NULL); | |
1560 | if (ret) { | |
1561 | _PERROR("%s", "problem creating type declaration"); | |
1562 | ret = -EINVAL; | |
1563 | goto end; | |
1564 | } | |
1565 | ||
1566 | /* Do not allow typedef and typealias of untagged variants */ | |
1567 | if (bt_ctf_field_type_is_variant(type_decl)) { | |
1568 | if (bt_ctf_field_type_variant_get_tag_name(type_decl)) { | |
1569 | _PERROR("%s", "typedef of untagged variant is not allowed"); | |
1570 | ret = -EPERM; | |
1571 | goto end; | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | ret = ctx_decl_scope_register_alias(ctx->current_scope, | |
1576 | g_quark_to_string(qidentifier), type_decl); | |
1577 | if (ret) { | |
1578 | _PERROR("cannot register typedef \"%s\"", | |
1579 | g_quark_to_string(qidentifier)); | |
1580 | goto end; | |
1581 | } | |
1582 | } | |
1583 | ||
1584 | end: | |
1585 | BT_PUT(type_decl); | |
1586 | ||
1587 | return ret; | |
1588 | } | |
1589 | ||
1590 | static | |
1591 | int visit_typealias(struct ctx *ctx, struct ctf_node *target, | |
1592 | struct ctf_node *alias) | |
1593 | { | |
1594 | int ret = 0; | |
1595 | GQuark qalias; | |
1596 | struct ctf_node *node; | |
1597 | GQuark qdummy_field_name; | |
1598 | _BT_CTF_FIELD_TYPE_INIT(type_decl); | |
1599 | ||
1600 | /* Create target type declaration */ | |
1601 | if (bt_list_empty(&target->u.typealias_target.type_declarators)) { | |
1602 | node = NULL; | |
1603 | } else { | |
1604 | node = _BT_LIST_FIRST_ENTRY( | |
1605 | &target->u.typealias_target.type_declarators, | |
1606 | struct ctf_node, siblings); | |
1607 | } | |
1608 | ||
1609 | ret = visit_type_declarator(ctx, | |
1610 | target->u.typealias_target.type_specifier_list, | |
1611 | &qdummy_field_name, node, &type_decl, NULL); | |
1612 | if (ret) { | |
1613 | assert(!type_decl); | |
1614 | _PERROR("%s", "problem creating type declaration"); | |
1615 | goto end; | |
1616 | } | |
1617 | ||
1618 | /* Do not allow typedef and typealias of untagged variants */ | |
1619 | if (bt_ctf_field_type_is_variant(type_decl)) { | |
1620 | if (bt_ctf_field_type_variant_get_tag_name(type_decl)) { | |
1621 | _PERROR("%s", | |
1622 | "typealias of untagged variant is not allowed"); | |
1623 | ret = -EPERM; | |
1624 | goto end; | |
1625 | } | |
1626 | } | |
1627 | ||
1628 | /* | |
1629 | * The semantic validator does not check whether the target is | |
1630 | * abstract or not (if it has an identifier). Check it here. | |
1631 | */ | |
1632 | if (qdummy_field_name != 0) { | |
1633 | _PERROR("%s", "expecting empty identifier"); | |
1634 | ret = -EINVAL; | |
1635 | goto end; | |
1636 | } | |
1637 | ||
1638 | /* Create alias identifier */ | |
1639 | node = _BT_LIST_FIRST_ENTRY(&alias->u.typealias_alias.type_declarators, | |
1640 | struct ctf_node, siblings); | |
1641 | qalias = create_typealias_identifier(ctx, | |
1642 | alias->u.typealias_alias.type_specifier_list, node); | |
1643 | ret = ctx_decl_scope_register_alias(ctx->current_scope, | |
1644 | g_quark_to_string(qalias), type_decl); | |
1645 | if (ret) { | |
1646 | _PERROR("cannot register typealias \"%s\"", | |
1647 | g_quark_to_string(qalias)); | |
1648 | goto end; | |
1649 | } | |
1650 | ||
1651 | end: | |
1652 | BT_PUT(type_decl); | |
1653 | ||
1654 | return ret; | |
1655 | } | |
1656 | ||
1657 | static | |
1658 | int visit_struct_decl_entry(struct ctx *ctx, struct ctf_node *entry_node, | |
1659 | struct bt_ctf_field_type *struct_decl) | |
1660 | { | |
1661 | int ret = 0; | |
1662 | ||
1663 | switch (entry_node->type) { | |
1664 | case NODE_TYPEDEF: | |
1665 | ret = visit_typedef(ctx, | |
1666 | entry_node->u._typedef.type_specifier_list, | |
1667 | &entry_node->u._typedef.type_declarators); | |
1668 | if (ret) { | |
1669 | _PERROR("%s", | |
1670 | "cannot add typedef in \"struct\" declaration"); | |
1671 | goto end; | |
1672 | } | |
1673 | break; | |
1674 | case NODE_TYPEALIAS: | |
1675 | ret = visit_typealias(ctx, entry_node->u.typealias.target, | |
1676 | entry_node->u.typealias.alias); | |
1677 | if (ret) { | |
1678 | _PERROR("%s", | |
1679 | "cannot add typealias in \"struct\" declaration"); | |
1680 | goto end; | |
1681 | } | |
1682 | break; | |
1683 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
1684 | /* Field */ | |
1685 | ret = visit_struct_decl_field(ctx, struct_decl, | |
1686 | entry_node->u.struct_or_variant_declaration. | |
1687 | type_specifier_list, | |
1688 | &entry_node->u.struct_or_variant_declaration. | |
1689 | type_declarators); | |
1690 | if (ret) { | |
1691 | goto end; | |
1692 | } | |
1693 | break; | |
1694 | default: | |
1695 | _PERROR("unexpected node type: %d", (int) entry_node->type); | |
1696 | ret = -EINVAL; | |
1697 | goto end; | |
1698 | } | |
1699 | ||
1700 | end: | |
1701 | return ret; | |
1702 | } | |
1703 | ||
1704 | static | |
1705 | int visit_variant_decl_entry(struct ctx *ctx, struct ctf_node *entry_node, | |
1706 | struct bt_ctf_field_type *variant_decl) | |
1707 | { | |
1708 | int ret = 0; | |
1709 | ||
1710 | switch (entry_node->type) { | |
1711 | case NODE_TYPEDEF: | |
1712 | ret = visit_typedef(ctx, | |
1713 | entry_node->u._typedef.type_specifier_list, | |
1714 | &entry_node->u._typedef.type_declarators); | |
1715 | if (ret) { | |
1716 | _PERROR("%s", | |
1717 | "cannot add typedef in \"variant\" declaration"); | |
1718 | goto end; | |
1719 | } | |
1720 | break; | |
1721 | case NODE_TYPEALIAS: | |
1722 | ret = visit_typealias(ctx, entry_node->u.typealias.target, | |
1723 | entry_node->u.typealias.alias); | |
1724 | if (ret) { | |
1725 | _PERROR("%s", | |
1726 | "cannot add typealias in \"variant\" declaration"); | |
1727 | goto end; | |
1728 | } | |
1729 | break; | |
1730 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
1731 | /* Field */ | |
1732 | ret = visit_variant_decl_field(ctx, variant_decl, | |
1733 | entry_node->u.struct_or_variant_declaration. | |
1734 | type_specifier_list, | |
1735 | &entry_node->u.struct_or_variant_declaration. | |
1736 | type_declarators); | |
1737 | if (ret) { | |
1738 | goto end; | |
1739 | } | |
1740 | break; | |
1741 | default: | |
1742 | _PERROR("unexpected node type: %d", (int) entry_node->type); | |
1743 | ret = -EINVAL; | |
1744 | goto end; | |
1745 | } | |
1746 | ||
1747 | end: | |
1748 | return ret; | |
1749 | } | |
1750 | ||
1751 | static | |
1752 | int visit_struct_decl(struct ctx *ctx, const char *name, | |
1753 | struct bt_list_head *decl_list, int has_body, | |
1754 | struct bt_list_head *min_align, | |
1755 | struct bt_ctf_field_type **struct_decl) | |
1756 | { | |
1757 | int ret = 0; | |
1758 | ||
1759 | *struct_decl = NULL; | |
1760 | ||
1761 | /* For named struct (without body), lookup in declaration scope */ | |
1762 | if (!has_body) { | |
1763 | _BT_CTF_FIELD_TYPE_INIT(struct_decl_copy); | |
1764 | ||
1765 | if (!name) { | |
1766 | ret = -EPERM; | |
1767 | goto error; | |
1768 | } | |
1769 | ||
1770 | *struct_decl = ctx_decl_scope_lookup_struct(ctx->current_scope, | |
1771 | name, -1); | |
1772 | if (!*struct_decl) { | |
1773 | _PERROR("cannot find \"struct %s\"", name); | |
1774 | ret = -EINVAL; | |
1775 | goto error; | |
1776 | } | |
1777 | ||
1778 | /* Make a copy of it */ | |
1779 | struct_decl_copy = bt_ctf_field_type_copy(*struct_decl); | |
1780 | if (!struct_decl_copy) { | |
1781 | _PERROR("%s", | |
1782 | "cannot create copy of structure declaration"); | |
1783 | ret = -EINVAL; | |
1784 | goto error; | |
1785 | } | |
1786 | ||
1787 | BT_MOVE(*struct_decl, struct_decl_copy); | |
1788 | } else { | |
1789 | struct ctf_node *entry_node; | |
1790 | uint64_t min_align_value = 0; | |
1791 | ||
1792 | if (name) { | |
1793 | _BT_CTF_FIELD_TYPE_INIT(estruct_decl); | |
1794 | ||
1795 | estruct_decl = ctx_decl_scope_lookup_struct( | |
1796 | ctx->current_scope, name, 1); | |
1797 | if (estruct_decl) { | |
1798 | BT_PUT(estruct_decl); | |
1799 | _PERROR("\"struct %s\" already declared in local scope", | |
1800 | name); | |
1801 | ret = -EINVAL; | |
1802 | goto error; | |
1803 | } | |
1804 | } | |
1805 | ||
1806 | if (!bt_list_empty(min_align)) { | |
1807 | ret = get_unary_unsigned(min_align, &min_align_value); | |
1808 | if (ret) { | |
1809 | _PERROR("%s", "unexpected unary expression for structure declaration's \"align\" attribute"); | |
1810 | goto error; | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | *struct_decl = bt_ctf_field_type_structure_create(); | |
1815 | if (!*struct_decl) { | |
1816 | _PERROR("%s", "cannot create structure declaration"); | |
1817 | ret = -ENOMEM; | |
1818 | goto error; | |
1819 | } | |
1820 | ||
539fd01b JG |
1821 | if (min_align_value != 0) { |
1822 | ret = bt_ctf_field_type_set_alignment(*struct_decl, | |
1823 | min_align_value); | |
1824 | if (ret) { | |
1825 | _PERROR("%s", "failed to set structure's minimal alignment"); | |
1826 | goto error; | |
1827 | } | |
1828 | } | |
1829 | ||
e98a2d6e PP |
1830 | ret = ctx_push_scope(ctx); |
1831 | if (ret) { | |
1832 | _PERROR("%s", "cannot push scope"); | |
1833 | goto error; | |
1834 | } | |
1835 | ||
1836 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
1837 | ret = visit_struct_decl_entry(ctx, entry_node, | |
1838 | *struct_decl); | |
1839 | if (ret) { | |
1840 | ctx_pop_scope(ctx); | |
1841 | goto error; | |
1842 | } | |
1843 | } | |
1844 | ||
1845 | ctx_pop_scope(ctx); | |
1846 | ||
1847 | if (name) { | |
1848 | ret = ctx_decl_scope_register_struct(ctx->current_scope, | |
1849 | name, *struct_decl); | |
1850 | if (ret) { | |
1851 | _PERROR("cannot register \"struct %s\" in declaration scope", | |
1852 | name); | |
1853 | goto error; | |
1854 | } | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | return 0; | |
1859 | ||
1860 | error: | |
1861 | BT_PUT(*struct_decl); | |
1862 | ||
1863 | return ret; | |
1864 | } | |
1865 | ||
1866 | static | |
1867 | int visit_variant_decl(struct ctx *ctx, const char *name, | |
1868 | const char *tag, struct bt_list_head *decl_list, | |
1869 | int has_body, struct bt_ctf_field_type **variant_decl) | |
1870 | { | |
1871 | int ret = 0; | |
1872 | _BT_CTF_FIELD_TYPE_INIT(untagged_variant_decl); | |
1873 | ||
1874 | *variant_decl = NULL; | |
1875 | ||
1876 | /* For named variant (without body), lookup in declaration scope */ | |
1877 | if (!has_body) { | |
1878 | _BT_CTF_FIELD_TYPE_INIT(variant_decl_copy); | |
1879 | ||
1880 | if (!name) { | |
1881 | ret = -EPERM; | |
1882 | goto error; | |
1883 | } | |
1884 | ||
1885 | untagged_variant_decl = | |
1886 | ctx_decl_scope_lookup_variant(ctx->current_scope, | |
1887 | name, -1); | |
1888 | if (!untagged_variant_decl) { | |
1889 | _PERROR("cannot find \"variant %s\"", name); | |
1890 | ret = -EINVAL; | |
1891 | goto error; | |
1892 | } | |
1893 | ||
1894 | /* Make a copy of it */ | |
1895 | variant_decl_copy = bt_ctf_field_type_copy( | |
1896 | untagged_variant_decl); | |
1897 | if (!variant_decl_copy) { | |
1898 | _PERROR("%s", | |
1899 | "cannot create copy of structure declaration"); | |
1900 | ret = -EINVAL; | |
1901 | goto error; | |
1902 | } | |
1903 | ||
1904 | BT_MOVE(untagged_variant_decl, variant_decl_copy); | |
1905 | } else { | |
1906 | struct ctf_node *entry_node; | |
1907 | ||
1908 | if (name) { | |
1909 | struct bt_ctf_field_type *evariant_decl = | |
1910 | ctx_decl_scope_lookup_struct(ctx->current_scope, | |
1911 | name, 1); | |
1912 | ||
1913 | if (evariant_decl) { | |
1914 | BT_PUT(evariant_decl); | |
1915 | _PERROR("\"variant %s\" already declared in local scope", | |
1916 | name); | |
1917 | ret = -EINVAL; | |
1918 | goto error; | |
1919 | } | |
1920 | } | |
1921 | ||
1922 | untagged_variant_decl = bt_ctf_field_type_variant_create(NULL, | |
1923 | NULL); | |
1924 | if (!untagged_variant_decl) { | |
1925 | _PERROR("%s", "cannot create variant declaration"); | |
1926 | ret = -ENOMEM; | |
1927 | goto error; | |
1928 | } | |
1929 | ||
1930 | ret = ctx_push_scope(ctx); | |
1931 | if (ret) { | |
1932 | _PERROR("%s", "cannot push scope"); | |
1933 | goto error; | |
1934 | } | |
1935 | ||
1936 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
1937 | ret = visit_variant_decl_entry(ctx, entry_node, | |
1938 | untagged_variant_decl); | |
1939 | if (ret) { | |
1940 | ctx_pop_scope(ctx); | |
1941 | goto error; | |
1942 | } | |
1943 | } | |
1944 | ||
1945 | ctx_pop_scope(ctx); | |
1946 | ||
1947 | if (name) { | |
1948 | ret = ctx_decl_scope_register_variant( | |
1949 | ctx->current_scope, name, | |
1950 | untagged_variant_decl); | |
1951 | if (ret) { | |
1952 | _PERROR("cannot register \"variant %s\" in declaration scope", | |
1953 | name); | |
1954 | goto error; | |
1955 | } | |
1956 | } | |
1957 | } | |
1958 | ||
1959 | /* | |
1960 | * If tagged, create tagged variant and return; otherwise | |
1961 | * return untagged variant. | |
1962 | */ | |
1963 | if (!tag) { | |
1964 | BT_MOVE(*variant_decl, untagged_variant_decl); | |
1965 | } else { | |
1966 | /* | |
1967 | * At this point, we have a fresh untagged variant; nobody | |
1968 | * else owns it. Set its tag now. | |
1969 | */ | |
1970 | ret = bt_ctf_field_type_variant_set_tag_name( | |
1971 | untagged_variant_decl, tag); | |
1972 | if (ret) { | |
1973 | goto error; | |
1974 | } | |
1975 | ||
1976 | BT_MOVE(*variant_decl, untagged_variant_decl); | |
1977 | } | |
1978 | ||
1979 | assert(!untagged_variant_decl); | |
1980 | assert(*variant_decl); | |
1981 | ||
1982 | return 0; | |
1983 | ||
1984 | error: | |
1985 | BT_PUT(untagged_variant_decl); | |
1986 | BT_PUT(*variant_decl); | |
1987 | ||
1988 | return ret; | |
1989 | } | |
1990 | ||
1991 | static | |
1992 | int visit_enum_decl_entry(struct ctx *ctx, struct ctf_node *enumerator, | |
1993 | struct bt_ctf_field_type *enum_decl, int64_t *last, int is_signed) | |
1994 | { | |
1995 | int ret = 0; | |
1996 | int nr_vals = 0; | |
1997 | struct ctf_node *iter; | |
1998 | int64_t start = 0, end = 0; | |
1999 | const char *label = enumerator->u.enumerator.id; | |
2000 | struct bt_list_head *values = &enumerator->u.enumerator.values; | |
2001 | ||
2002 | bt_list_for_each_entry(iter, values, siblings) { | |
2003 | int64_t *target; | |
2004 | ||
2005 | if (iter->type != NODE_UNARY_EXPRESSION) { | |
2006 | _PERROR("wrong unary expression for enumeration label \"%s\"", | |
2007 | label); | |
2008 | ret = -EINVAL; | |
2009 | goto error; | |
2010 | } | |
2011 | ||
2012 | if (nr_vals == 0) { | |
2013 | target = &start; | |
2014 | } else { | |
2015 | target = &end; | |
2016 | } | |
2017 | ||
2018 | switch (iter->u.unary_expression.type) { | |
2019 | case UNARY_SIGNED_CONSTANT: | |
2020 | *target = iter->u.unary_expression.u.signed_constant; | |
2021 | break; | |
2022 | case UNARY_UNSIGNED_CONSTANT: | |
2023 | *target = (int64_t) | |
2024 | iter->u.unary_expression.u.unsigned_constant; | |
2025 | break; | |
2026 | default: | |
2027 | _PERROR("invalid enumeration entry: \"%s\"", | |
2028 | label); | |
2029 | ret = -EINVAL; | |
2030 | goto error; | |
2031 | } | |
2032 | ||
2033 | if (nr_vals > 1) { | |
2034 | _PERROR("invalid enumeration entry: \"%s\"", | |
2035 | label); | |
2036 | ret = -EINVAL; | |
2037 | goto error; | |
2038 | } | |
2039 | ||
2040 | nr_vals++; | |
2041 | } | |
2042 | ||
2043 | if (nr_vals == 0) { | |
2044 | start = *last; | |
2045 | } | |
2046 | ||
2047 | if (nr_vals <= 1) { | |
2048 | end = start; | |
2049 | } | |
2050 | ||
2051 | *last = end + 1; | |
2052 | ||
2053 | if (is_signed) { | |
2054 | ret = bt_ctf_field_type_enumeration_add_mapping(enum_decl, label, | |
2055 | start, end); | |
2056 | } else { | |
2057 | ret = bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_decl, | |
2058 | label, (uint64_t) start, (uint64_t) end); | |
2059 | } | |
2060 | if (ret) { | |
2061 | _PERROR("cannot add mapping to enumeration for label \"%s\"", | |
2062 | label); | |
2063 | goto error; | |
2064 | } | |
2065 | ||
2066 | return 0; | |
2067 | ||
2068 | error: | |
2069 | return ret; | |
2070 | } | |
2071 | ||
2072 | static | |
2073 | int visit_enum_decl(struct ctx *ctx, const char *name, | |
2074 | struct ctf_node *container_type, | |
2075 | struct bt_list_head *enumerator_list, | |
2076 | int has_body, | |
2077 | struct bt_ctf_field_type **enum_decl) | |
2078 | { | |
2079 | int ret = 0; | |
2080 | GQuark qdummy_id; | |
2081 | _BT_CTF_FIELD_TYPE_INIT(integer_decl); | |
2082 | ||
2083 | *enum_decl = NULL; | |
2084 | ||
2085 | /* For named enum (without body), lookup in declaration scope */ | |
2086 | if (!has_body) { | |
2087 | _BT_CTF_FIELD_TYPE_INIT(enum_decl_copy); | |
2088 | ||
2089 | if (!name) { | |
2090 | ret = -EPERM; | |
2091 | goto error; | |
2092 | } | |
2093 | ||
2094 | *enum_decl = ctx_decl_scope_lookup_enum(ctx->current_scope, | |
2095 | name, -1); | |
2096 | if (!*enum_decl) { | |
2097 | _PERROR("cannot find \"enum %s\"", name); | |
2098 | ret = -EINVAL; | |
2099 | goto error; | |
2100 | } | |
2101 | ||
2102 | /* Make a copy of it */ | |
2103 | enum_decl_copy = bt_ctf_field_type_copy(*enum_decl); | |
2104 | if (!enum_decl_copy) { | |
2105 | _PERROR("%s", | |
2106 | "cannot create copy of enumeration declaration"); | |
2107 | ret = -EINVAL; | |
2108 | goto error; | |
2109 | } | |
2110 | ||
2111 | BT_PUT(*enum_decl); | |
2112 | BT_MOVE(*enum_decl, enum_decl_copy); | |
2113 | } else { | |
2114 | struct ctf_node *iter; | |
2115 | int64_t last_value = 0; | |
2116 | ||
2117 | if (name) { | |
2118 | _BT_CTF_FIELD_TYPE_INIT(eenum_decl); | |
2119 | ||
2120 | eenum_decl = ctx_decl_scope_lookup_enum( | |
2121 | ctx->current_scope, name, 1); | |
2122 | if (eenum_decl) { | |
2123 | BT_PUT(eenum_decl); | |
2124 | _PERROR("\"enum %s\" already declared in local scope", | |
2125 | name); | |
2126 | ret = -EINVAL; | |
2127 | goto error; | |
2128 | } | |
2129 | } | |
2130 | ||
2131 | if (!container_type) { | |
2132 | integer_decl = ctx_decl_scope_lookup_alias( | |
2133 | ctx->current_scope, "int", -1); | |
2134 | if (!integer_decl) { | |
2135 | _PERROR("%s", "cannot find \"int\" type for enumeration"); | |
2136 | ret = -EINVAL; | |
2137 | goto error; | |
2138 | } | |
2139 | } else { | |
2140 | ret = visit_type_declarator(ctx, container_type, | |
2141 | &qdummy_id, NULL, &integer_decl, NULL); | |
2142 | if (ret) { | |
2143 | assert(!integer_decl); | |
2144 | ret = -EINVAL; | |
2145 | goto error; | |
2146 | } | |
2147 | } | |
2148 | ||
2149 | assert(integer_decl); | |
2150 | ||
2151 | if (!bt_ctf_field_type_is_integer(integer_decl)) { | |
2152 | _PERROR("%s", "container type for enumeration is not an integer"); | |
2153 | ret = -EINVAL; | |
2154 | goto error; | |
2155 | } | |
2156 | ||
2157 | *enum_decl = bt_ctf_field_type_enumeration_create(integer_decl); | |
2158 | if (!*enum_decl) { | |
2159 | _PERROR("%s", "cannot create enumeration declaration"); | |
2160 | ret = -ENOMEM; | |
2161 | goto error; | |
2162 | } | |
2163 | ||
2164 | bt_list_for_each_entry(iter, enumerator_list, siblings) { | |
2165 | ret = visit_enum_decl_entry(ctx, iter, *enum_decl, | |
2166 | &last_value, | |
2167 | bt_ctf_field_type_integer_get_signed(integer_decl)); | |
2168 | if (ret) { | |
2169 | goto error; | |
2170 | } | |
2171 | } | |
2172 | ||
2173 | if (name) { | |
2174 | ret = ctx_decl_scope_register_enum(ctx->current_scope, | |
2175 | name, *enum_decl); | |
2176 | if (ret) { | |
2177 | goto error; | |
2178 | } | |
2179 | } | |
2180 | } | |
2181 | ||
2182 | BT_PUT(integer_decl); | |
2183 | ||
2184 | return 0; | |
2185 | ||
2186 | error: | |
2187 | BT_PUT(integer_decl); | |
2188 | BT_PUT(*enum_decl); | |
2189 | ||
2190 | return ret; | |
2191 | } | |
2192 | ||
2193 | static | |
2194 | int visit_type_specifier(struct ctx *ctx, | |
2195 | struct ctf_node *type_specifier_list, | |
2196 | struct bt_ctf_field_type **decl) | |
2197 | { | |
2198 | int ret = 0; | |
2199 | GString *str = NULL; | |
2200 | _BT_CTF_FIELD_TYPE_INIT(decl_copy); | |
2201 | ||
2202 | *decl = NULL; | |
2203 | str = g_string_new(""); | |
2204 | ret = get_type_specifier_list_name(ctx, type_specifier_list, str); | |
2205 | if (ret) { | |
2206 | goto error; | |
2207 | } | |
2208 | ||
2209 | *decl = ctx_decl_scope_lookup_alias(ctx->current_scope, str->str, -1); | |
2210 | if (!*decl) { | |
2211 | _PERROR("cannot find type alias \"%s\"", str->str); | |
2212 | ret = -EINVAL; | |
2213 | goto error; | |
2214 | } | |
2215 | ||
2216 | /* Make a copy of the type declaration */ | |
2217 | decl_copy = bt_ctf_field_type_copy(*decl); | |
2218 | if (!decl_copy) { | |
2219 | _PERROR("%s", "cannot create copy of type declaration"); | |
2220 | ret = -EINVAL; | |
2221 | goto error; | |
2222 | } | |
2223 | ||
2224 | BT_MOVE(*decl, decl_copy); | |
2225 | (void) g_string_free(str, TRUE); | |
2226 | str = NULL; | |
2227 | ||
2228 | return 0; | |
2229 | ||
2230 | error: | |
2231 | if (str) { | |
2232 | (void) g_string_free(str, TRUE); | |
2233 | } | |
2234 | ||
2235 | BT_PUT(*decl); | |
2236 | ||
2237 | return ret; | |
2238 | } | |
2239 | ||
2240 | static | |
2241 | int visit_integer_decl(struct ctx *ctx, | |
2242 | struct bt_list_head *expressions, | |
2243 | struct bt_ctf_field_type **integer_decl) | |
2244 | { | |
2245 | int set = 0; | |
2246 | int ret = 0; | |
2247 | int signedness = 0; | |
2248 | struct ctf_node *expression; | |
2249 | uint64_t alignment = 0, size = 0; | |
2250 | struct bt_ctf_clock *mapped_clock = NULL; | |
2251 | enum bt_ctf_string_encoding encoding = BT_CTF_STRING_ENCODING_NONE; | |
2252 | enum bt_ctf_integer_base base = BT_CTF_INTEGER_BASE_DECIMAL; | |
2253 | enum bt_ctf_byte_order byte_order = | |
2254 | bt_ctf_trace_get_byte_order(ctx->trace); | |
2255 | ||
2256 | *integer_decl = NULL; | |
2257 | ||
2258 | bt_list_for_each_entry(expression, expressions, siblings) { | |
2259 | struct ctf_node *left, *right; | |
2260 | ||
2261 | left = _BT_LIST_FIRST_ENTRY(&expression->u.ctf_expression.left, | |
2262 | struct ctf_node, siblings); | |
2263 | right = _BT_LIST_FIRST_ENTRY( | |
2264 | &expression->u.ctf_expression.right, struct ctf_node, | |
2265 | siblings); | |
2266 | ||
2267 | if (left->u.unary_expression.type != UNARY_STRING) { | |
2268 | ret = -EINVAL; | |
2269 | goto error; | |
2270 | } | |
2271 | ||
2272 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
2273 | if (_IS_SET(&set, _INTEGER_SIGNED_SET)) { | |
2274 | _PERROR_DUP_ATTR("signed", | |
2275 | "integer declaration"); | |
2276 | ret = -EPERM; | |
2277 | goto error; | |
2278 | } | |
2279 | ||
2280 | signedness = get_boolean(ctx->efd, right); | |
2281 | if (signedness < 0) { | |
2282 | ret = -EINVAL; | |
2283 | goto error; | |
2284 | } | |
2285 | ||
2286 | _SET(&set, _INTEGER_SIGNED_SET); | |
2287 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2288 | "byte_order")) { | |
2289 | if (_IS_SET(&set, _INTEGER_BYTE_ORDER_SET)) { | |
2290 | _PERROR_DUP_ATTR("byte_order", | |
2291 | "integer declaration"); | |
2292 | ret = -EPERM; | |
2293 | goto error; | |
2294 | } | |
2295 | ||
2296 | byte_order = get_real_byte_order(ctx, right); | |
2297 | if (byte_order == BT_CTF_BYTE_ORDER_UNKNOWN) { | |
2298 | _PERROR("%s", "invalid \"byte_order\" attribute in integer declaration"); | |
2299 | ret = -EINVAL; | |
2300 | goto error; | |
2301 | } | |
2302 | ||
2303 | _SET(&set, _INTEGER_BYTE_ORDER_SET); | |
2304 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { | |
2305 | if (_IS_SET(&set, _INTEGER_SIZE_SET)) { | |
2306 | _PERROR_DUP_ATTR("size", | |
2307 | "integer declaration"); | |
2308 | ret = -EPERM; | |
2309 | goto error; | |
2310 | } | |
2311 | ||
2312 | if (right->u.unary_expression.type != | |
2313 | UNARY_UNSIGNED_CONSTANT) { | |
2314 | _PERROR("%s", "invalid \"size\" attribute in integer declaration: expecting unsigned constant"); | |
2315 | ret = -EINVAL; | |
2316 | goto error; | |
2317 | } | |
2318 | ||
2319 | size = right->u.unary_expression.u.unsigned_constant; | |
2320 | if (size == 0) { | |
2321 | _PERROR("%s", "invalid \"size\" attribute in integer declaration: expecting positive constant"); | |
2322 | ret = -EINVAL; | |
2323 | goto error; | |
2324 | } else if (size > 64) { | |
2325 | _PERROR("%s", "invalid \"size\" attribute in integer declaration: integers over 64-bit are not supported as of this version"); | |
2326 | ret = -EINVAL; | |
2327 | goto error; | |
2328 | } | |
2329 | ||
2330 | _SET(&set, _INTEGER_SIZE_SET); | |
2331 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2332 | "align")) { | |
2333 | if (_IS_SET(&set, _INTEGER_ALIGN_SET)) { | |
2334 | _PERROR_DUP_ATTR("align", | |
2335 | "integer declaration"); | |
2336 | ret = -EPERM; | |
2337 | goto error; | |
2338 | } | |
2339 | ||
2340 | if (right->u.unary_expression.type != | |
2341 | UNARY_UNSIGNED_CONSTANT) { | |
2342 | _PERROR("%s", "invalid \"align\" attribute in integer declaration: expecting unsigned constant"); | |
2343 | ret = -EINVAL; | |
2344 | goto error; | |
2345 | } | |
2346 | ||
2347 | alignment = | |
2348 | right->u.unary_expression.u.unsigned_constant; | |
2349 | if (!is_align_valid(alignment)) { | |
2350 | _PERROR("%s", "invalid \"align\" attribute in integer declaration: expecting power of two"); | |
2351 | ret = -EINVAL; | |
2352 | goto error; | |
2353 | } | |
2354 | ||
2355 | _SET(&set, _INTEGER_ALIGN_SET); | |
2356 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { | |
2357 | if (_IS_SET(&set, _INTEGER_BASE_SET)) { | |
2358 | _PERROR_DUP_ATTR("base", "integer declaration"); | |
2359 | ret = -EPERM; | |
2360 | goto error; | |
2361 | } | |
2362 | ||
2363 | switch (right->u.unary_expression.type) { | |
2364 | case UNARY_UNSIGNED_CONSTANT: | |
2365 | { | |
2366 | uint64_t constant = right->u.unary_expression. | |
2367 | u.unsigned_constant; | |
2368 | ||
2369 | switch (constant) { | |
2370 | case 2: | |
2371 | base = BT_CTF_INTEGER_BASE_BINARY; | |
2372 | break; | |
2373 | case 8: | |
2374 | base = BT_CTF_INTEGER_BASE_OCTAL; | |
2375 | break; | |
2376 | case 10: | |
2377 | base = BT_CTF_INTEGER_BASE_DECIMAL; | |
2378 | break; | |
2379 | case 16: | |
2380 | base = BT_CTF_INTEGER_BASE_HEXADECIMAL; | |
2381 | break; | |
2382 | default: | |
2383 | _PERROR("invalid \"base\" attribute in integer declaration: %" PRIu64, | |
2384 | right->u.unary_expression.u.unsigned_constant); | |
2385 | ret = -EINVAL; | |
2386 | goto error; | |
2387 | } | |
2388 | break; | |
2389 | } | |
2390 | case UNARY_STRING: | |
2391 | { | |
2392 | char *s_right = concatenate_unary_strings( | |
2393 | &expression->u.ctf_expression.right); | |
2394 | if (!s_right) { | |
2395 | _PERROR("%s", "unexpected unary expression for integer declaration's \"base\" attribute"); | |
2396 | ret = -EINVAL; | |
2397 | goto error; | |
2398 | } | |
2399 | ||
2400 | if (!strcmp(s_right, "decimal") || | |
2401 | !strcmp(s_right, "dec") || | |
2402 | !strcmp(s_right, "d") || | |
2403 | !strcmp(s_right, "i") || | |
2404 | !strcmp(s_right, "u")) { | |
2405 | base = BT_CTF_INTEGER_BASE_DECIMAL; | |
2406 | } else if (!strcmp(s_right, "hexadecimal") || | |
2407 | !strcmp(s_right, "hex") || | |
2408 | !strcmp(s_right, "x") || | |
2409 | !strcmp(s_right, "X") || | |
2410 | !strcmp(s_right, "p")) { | |
2411 | base = BT_CTF_INTEGER_BASE_HEXADECIMAL; | |
2412 | } else if (!strcmp(s_right, "octal") || | |
2413 | !strcmp(s_right, "oct") || | |
2414 | !strcmp(s_right, "o")) { | |
2415 | base = BT_CTF_INTEGER_BASE_OCTAL; | |
2416 | } else if (!strcmp(s_right, "binary") || | |
2417 | !strcmp(s_right, "b")) { | |
2418 | base = BT_CTF_INTEGER_BASE_BINARY; | |
2419 | } else { | |
2420 | _PERROR("unexpected unary expression for integer declaration's \"base\" attribute: \"%s\"", | |
2421 | s_right); | |
2422 | g_free(s_right); | |
2423 | ret = -EINVAL; | |
2424 | goto error; | |
2425 | } | |
2426 | ||
2427 | g_free(s_right); | |
2428 | break; | |
2429 | } | |
2430 | default: | |
2431 | _PERROR("%s", "invalid \"base\" attribute in integer declaration: expecting unsigned constant or unary string"); | |
2432 | ret = -EINVAL; | |
2433 | goto error; | |
2434 | } | |
2435 | ||
2436 | _SET(&set, _INTEGER_BASE_SET); | |
2437 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2438 | "encoding")) { | |
2439 | char *s_right; | |
2440 | ||
2441 | if (_IS_SET(&set, _INTEGER_ENCODING_SET)) { | |
2442 | _PERROR_DUP_ATTR("encoding", | |
2443 | "integer declaration"); | |
2444 | ret = -EPERM; | |
2445 | goto error; | |
2446 | } | |
2447 | ||
2448 | if (right->u.unary_expression.type != UNARY_STRING) { | |
2449 | _PERROR("%s", "invalid \"encoding\" attribute in integer declaration: expecting unary string"); | |
2450 | ret = -EINVAL; | |
2451 | goto error; | |
2452 | } | |
2453 | ||
2454 | s_right = concatenate_unary_strings( | |
2455 | &expression->u.ctf_expression.right); | |
2456 | if (!s_right) { | |
2457 | _PERROR("%s", "unexpected unary expression for integer declaration's \"encoding\" attribute"); | |
2458 | ret = -EINVAL; | |
2459 | goto error; | |
2460 | } | |
2461 | ||
2462 | if (!strcmp(s_right, "UTF8") || | |
2463 | !strcmp(s_right, "utf8") || | |
2464 | !strcmp(s_right, "utf-8") || | |
2465 | !strcmp(s_right, "UTF-8")) { | |
2466 | encoding = BT_CTF_STRING_ENCODING_UTF8; | |
2467 | } else if (!strcmp(s_right, "ASCII") || | |
2468 | !strcmp(s_right, "ascii")) { | |
2469 | encoding = BT_CTF_STRING_ENCODING_ASCII; | |
2470 | } else if (!strcmp(s_right, "none")) { | |
2471 | encoding = BT_CTF_STRING_ENCODING_NONE; | |
2472 | } else { | |
2473 | _PERROR("invalid \"encoding\" attribute in integer declaration: unknown encoding \"%s\"", | |
2474 | s_right); | |
2475 | g_free(s_right); | |
2476 | ret = -EINVAL; | |
2477 | goto error; | |
2478 | } | |
2479 | ||
2480 | g_free(s_right); | |
2481 | _SET(&set, _INTEGER_ENCODING_SET); | |
2482 | } else if (!strcmp(left->u.unary_expression.u.string, "map")) { | |
2483 | const char *clock_name; | |
2484 | ||
2485 | if (_IS_SET(&set, _INTEGER_MAP_SET)) { | |
2486 | _PERROR_DUP_ATTR("map", "integer declaration"); | |
2487 | ret = -EPERM; | |
2488 | goto error; | |
2489 | } | |
2490 | ||
2491 | if (right->u.unary_expression.type != UNARY_STRING) { | |
2492 | _PERROR("%s", "invalid \"map\" attribute in integer declaration: expecting unary string"); | |
2493 | ret = -EINVAL; | |
2494 | goto error; | |
2495 | } | |
2496 | ||
2497 | clock_name = | |
2498 | get_map_clock_name_value( | |
2499 | &expression->u.ctf_expression.right); | |
2500 | if (!clock_name) { | |
2501 | char *s_right = concatenate_unary_strings( | |
2502 | &expression->u.ctf_expression.right); | |
2503 | ||
2504 | if (!s_right) { | |
2505 | _PERROR("%s", "unexpected unary expression for integer declaration's \"map\" attribute"); | |
2506 | ret = -EINVAL; | |
2507 | goto error; | |
2508 | } | |
2509 | ||
2510 | _PWARNING("invalid \"map\" attribute in integer declaration: unknown clock: \"%s\"", | |
2511 | s_right); | |
2512 | _SET(&set, _INTEGER_MAP_SET); | |
2513 | g_free(s_right); | |
2514 | continue; | |
2515 | } | |
2516 | ||
2517 | mapped_clock = bt_ctf_trace_get_clock_by_name( | |
2518 | ctx->trace, clock_name); | |
2519 | if (!mapped_clock) { | |
2520 | _PERROR("invalid \"map\" attribute in integer declaration: cannot find clock \"%s\"", | |
2521 | clock_name); | |
2522 | ret = -EINVAL; | |
2523 | goto error; | |
2524 | } | |
2525 | ||
2526 | _SET(&set, _INTEGER_MAP_SET); | |
2527 | } else { | |
2528 | _PWARNING("unknown attribute \"%s\" in integer declaration", | |
2529 | left->u.unary_expression.u.string); | |
2530 | } | |
2531 | } | |
2532 | ||
2533 | if (!_IS_SET(&set, _INTEGER_SIZE_SET)) { | |
2534 | _PERROR("%s", | |
2535 | "missing \"size\" attribute in integer declaration"); | |
2536 | ret = -EPERM; | |
2537 | goto error; | |
2538 | } | |
2539 | ||
2540 | if (!_IS_SET(&set, _INTEGER_ALIGN_SET)) { | |
2541 | if (size % CHAR_BIT) { | |
2542 | /* Bit-packed alignment */ | |
2543 | alignment = 1; | |
2544 | } else { | |
2545 | /* Byte-packed alignment */ | |
2546 | alignment = CHAR_BIT; | |
2547 | } | |
2548 | } | |
2549 | ||
2550 | *integer_decl = bt_ctf_field_type_integer_create((unsigned int) size); | |
2551 | if (!*integer_decl) { | |
2552 | _PERROR("%s", "cannot create integer declaration"); | |
2553 | ret = -ENOMEM; | |
2554 | goto error; | |
2555 | } | |
2556 | ||
2557 | ret = bt_ctf_field_type_integer_set_signed(*integer_decl, signedness); | |
2558 | ret |= bt_ctf_field_type_integer_set_base(*integer_decl, base); | |
2559 | ret |= bt_ctf_field_type_integer_set_encoding(*integer_decl, encoding); | |
2560 | ret |= bt_ctf_field_type_set_alignment(*integer_decl, | |
2561 | (unsigned int) alignment); | |
2562 | ret |= bt_ctf_field_type_set_byte_order(*integer_decl, byte_order); | |
2563 | ||
2564 | if (mapped_clock) { | |
2565 | /* Move clock */ | |
2566 | ret |= bt_ctf_field_type_integer_set_mapped_clock( | |
2567 | *integer_decl, mapped_clock); | |
2568 | bt_put(mapped_clock); | |
2569 | mapped_clock = NULL; | |
2570 | } | |
2571 | ||
2572 | if (ret) { | |
2573 | _PERROR("%s", "cannot configure integer declaration"); | |
2574 | ret = -EINVAL; | |
2575 | goto error; | |
2576 | } | |
2577 | ||
2578 | return 0; | |
2579 | ||
2580 | error: | |
2581 | if (mapped_clock) { | |
2582 | bt_put(mapped_clock); | |
2583 | } | |
2584 | ||
2585 | BT_PUT(*integer_decl); | |
2586 | ||
2587 | return ret; | |
2588 | } | |
2589 | ||
2590 | static | |
2591 | int visit_floating_point_number_decl(struct ctx *ctx, | |
2592 | struct bt_list_head *expressions, | |
2593 | struct bt_ctf_field_type **float_decl) | |
2594 | { | |
2595 | int set = 0; | |
2596 | int ret = 0; | |
2597 | struct ctf_node *expression; | |
2598 | uint64_t alignment = 1, exp_dig = 0, mant_dig = 0; | |
2599 | enum bt_ctf_byte_order byte_order = | |
2600 | bt_ctf_trace_get_byte_order(ctx->trace); | |
2601 | ||
2602 | *float_decl = NULL; | |
2603 | ||
2604 | bt_list_for_each_entry(expression, expressions, siblings) { | |
2605 | struct ctf_node *left, *right; | |
2606 | ||
2607 | left = _BT_LIST_FIRST_ENTRY(&expression->u.ctf_expression.left, | |
2608 | struct ctf_node, siblings); | |
2609 | right = _BT_LIST_FIRST_ENTRY( | |
2610 | &expression->u.ctf_expression.right, struct ctf_node, | |
2611 | siblings); | |
2612 | ||
2613 | if (left->u.unary_expression.type != UNARY_STRING) { | |
2614 | ret = -EINVAL; | |
2615 | goto error; | |
2616 | } | |
2617 | ||
2618 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
2619 | if (_IS_SET(&set, _FLOAT_BYTE_ORDER_SET)) { | |
2620 | _PERROR_DUP_ATTR("byte_order", | |
2621 | "floating point number declaration"); | |
2622 | ret = -EPERM; | |
2623 | goto error; | |
2624 | } | |
2625 | ||
2626 | byte_order = get_real_byte_order(ctx, right); | |
2627 | if (byte_order == BT_CTF_BYTE_ORDER_UNKNOWN) { | |
2628 | _PERROR("%s", "invalid \"byte_order\" attribute in floating point number declaration"); | |
2629 | ret = -EINVAL; | |
2630 | goto error; | |
2631 | } | |
2632 | ||
2633 | _SET(&set, _FLOAT_BYTE_ORDER_SET); | |
2634 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2635 | "exp_dig")) { | |
2636 | if (_IS_SET(&set, _FLOAT_EXP_DIG_SET)) { | |
2637 | _PERROR_DUP_ATTR("exp_dig", | |
2638 | "floating point number declaration"); | |
2639 | ret = -EPERM; | |
2640 | goto error; | |
2641 | } | |
2642 | ||
2643 | if (right->u.unary_expression.type != | |
2644 | UNARY_UNSIGNED_CONSTANT) { | |
2645 | _PERROR("%s", "invalid \"exp_dig\" attribute in floating point number declaration: expecting unsigned constant"); | |
2646 | ret = -EINVAL; | |
2647 | goto error; | |
2648 | } | |
2649 | ||
2650 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
2651 | _SET(&set, _FLOAT_EXP_DIG_SET); | |
2652 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2653 | "mant_dig")) { | |
2654 | if (_IS_SET(&set, _FLOAT_MANT_DIG_SET)) { | |
2655 | _PERROR_DUP_ATTR("mant_dig", | |
2656 | "floating point number declaration"); | |
2657 | ret = -EPERM; | |
2658 | goto error; | |
2659 | } | |
2660 | ||
2661 | if (right->u.unary_expression.type != | |
2662 | UNARY_UNSIGNED_CONSTANT) { | |
2663 | _PERROR("%s", "invalid \"mant_dig\" attribute in floating point number declaration: expecting unsigned constant"); | |
2664 | ret = -EINVAL; | |
2665 | goto error; | |
2666 | } | |
2667 | ||
2668 | mant_dig = right->u.unary_expression.u. | |
2669 | unsigned_constant; | |
2670 | _SET(&set, _FLOAT_MANT_DIG_SET); | |
2671 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2672 | "align")) { | |
2673 | if (_IS_SET(&set, _FLOAT_ALIGN_SET)) { | |
2674 | _PERROR_DUP_ATTR("align", | |
2675 | "floating point number declaration"); | |
2676 | ret = -EPERM; | |
2677 | goto error; | |
2678 | } | |
2679 | ||
2680 | if (right->u.unary_expression.type != | |
2681 | UNARY_UNSIGNED_CONSTANT) { | |
2682 | _PERROR("%s", "invalid \"align\" attribute in floating point number declaration: expecting unsigned constant"); | |
2683 | ret = -EINVAL; | |
2684 | goto error; | |
2685 | } | |
2686 | ||
2687 | alignment = right->u.unary_expression.u. | |
2688 | unsigned_constant; | |
2689 | ||
2690 | if (!is_align_valid(alignment)) { | |
2691 | _PERROR("%s", "invalid \"align\" attribute in floating point number declaration: expecting power of two"); | |
2692 | ret = -EINVAL; | |
2693 | goto error; | |
2694 | } | |
2695 | ||
2696 | _SET(&set, _FLOAT_ALIGN_SET); | |
2697 | } else { | |
2698 | _PWARNING("unknown attribute \"%s\" in floating point number declaration", | |
2699 | left->u.unary_expression.u.string); | |
2700 | } | |
2701 | } | |
2702 | ||
2703 | if (!_IS_SET(&set, _FLOAT_MANT_DIG_SET)) { | |
2704 | _PERROR("%s", "missing \"mant_dig\" attribute in floating point number declaration"); | |
2705 | ret = -EPERM; | |
2706 | goto error; | |
2707 | } | |
2708 | ||
2709 | if (!_IS_SET(&set, _FLOAT_EXP_DIG_SET)) { | |
2710 | _PERROR("%s", "missing \"exp_dig\" attribute in floating point number declaration"); | |
2711 | ret = -EPERM; | |
2712 | goto error; | |
2713 | } | |
2714 | ||
2715 | if (!_IS_SET(&set, _INTEGER_ALIGN_SET)) { | |
2716 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
2717 | /* Bit-packed alignment */ | |
2718 | alignment = 1; | |
2719 | } else { | |
2720 | /* Byte-packed alignment */ | |
2721 | alignment = CHAR_BIT; | |
2722 | } | |
2723 | } | |
2724 | ||
2725 | *float_decl = bt_ctf_field_type_floating_point_create(); | |
2726 | if (!*float_decl) { | |
2727 | _PERROR("%s", | |
2728 | "cannot create floating point number declaration"); | |
2729 | ret = -ENOMEM; | |
2730 | goto error; | |
2731 | } | |
2732 | ||
2733 | ret = bt_ctf_field_type_floating_point_set_exponent_digits( | |
2734 | *float_decl, exp_dig); | |
2735 | ret |= bt_ctf_field_type_floating_point_set_mantissa_digits( | |
2736 | *float_decl, mant_dig); | |
2737 | ret |= bt_ctf_field_type_set_byte_order(*float_decl, byte_order); | |
2738 | ret |= bt_ctf_field_type_set_alignment(*float_decl, alignment); | |
2739 | if (ret) { | |
2740 | _PERROR("%s", | |
2741 | "cannot configure floating point number declaration"); | |
2742 | ret = -EINVAL; | |
2743 | goto error; | |
2744 | } | |
2745 | ||
2746 | return 0; | |
2747 | ||
2748 | error: | |
2749 | BT_PUT(*float_decl); | |
2750 | ||
2751 | return ret; | |
2752 | } | |
2753 | ||
2754 | static | |
2755 | int visit_string_decl(struct ctx *ctx, | |
2756 | struct bt_list_head *expressions, | |
2757 | struct bt_ctf_field_type **string_decl) | |
2758 | { | |
2759 | int set = 0; | |
2760 | int ret = 0; | |
2761 | struct ctf_node *expression; | |
2762 | enum bt_ctf_string_encoding encoding = BT_CTF_STRING_ENCODING_UTF8; | |
2763 | ||
2764 | *string_decl = NULL; | |
2765 | ||
2766 | bt_list_for_each_entry(expression, expressions, siblings) { | |
2767 | struct ctf_node *left, *right; | |
2768 | ||
2769 | left = _BT_LIST_FIRST_ENTRY(&expression->u.ctf_expression.left, | |
2770 | struct ctf_node, siblings); | |
2771 | right = _BT_LIST_FIRST_ENTRY( | |
2772 | &expression->u.ctf_expression.right, struct ctf_node, | |
2773 | siblings); | |
2774 | ||
2775 | if (left->u.unary_expression.type != UNARY_STRING) { | |
2776 | ret = -EINVAL; | |
2777 | goto error; | |
2778 | } | |
2779 | ||
2780 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
2781 | char *s_right; | |
2782 | ||
2783 | if (_IS_SET(&set, _STRING_ENCODING_SET)) { | |
2784 | _PERROR_DUP_ATTR("encoding", | |
2785 | "string declaration"); | |
2786 | ret = -EPERM; | |
2787 | goto error; | |
2788 | } | |
2789 | ||
2790 | if (right->u.unary_expression.type != UNARY_STRING) { | |
2791 | _PERROR("%s", "invalid \"encoding\" attribute in string declaration: expecting unary string"); | |
2792 | ret = -EINVAL; | |
2793 | goto error; | |
2794 | } | |
2795 | ||
2796 | s_right = concatenate_unary_strings( | |
2797 | &expression->u.ctf_expression.right); | |
2798 | if (!s_right) { | |
2799 | _PERROR("%s", "unexpected unary expression for string declaration's \"encoding\" attribute"); | |
2800 | ret = -EINVAL; | |
2801 | goto error; | |
2802 | } | |
2803 | ||
2804 | if (!strcmp(s_right, "UTF8") || | |
2805 | !strcmp(s_right, "utf8") || | |
2806 | !strcmp(s_right, "utf-8") || | |
2807 | !strcmp(s_right, "UTF-8")) { | |
2808 | encoding = BT_CTF_STRING_ENCODING_UTF8; | |
2809 | } else if (!strcmp(s_right, "ASCII") || | |
2810 | !strcmp(s_right, "ascii")) { | |
2811 | encoding = BT_CTF_STRING_ENCODING_ASCII; | |
2812 | } else if (!strcmp(s_right, "none")) { | |
2813 | encoding = BT_CTF_STRING_ENCODING_NONE; | |
2814 | } else { | |
2815 | _PERROR("invalid \"encoding\" attribute in string declaration: unknown encoding \"%s\"", | |
2816 | s_right); | |
2817 | g_free(s_right); | |
2818 | ret = -EINVAL; | |
2819 | goto error; | |
2820 | } | |
2821 | ||
2822 | g_free(s_right); | |
2823 | _SET(&set, _STRING_ENCODING_SET); | |
2824 | } else { | |
2825 | _PWARNING("unknown attribute \"%s\" in string declaration", | |
2826 | left->u.unary_expression.u.string); | |
2827 | } | |
2828 | } | |
2829 | ||
2830 | *string_decl = bt_ctf_field_type_string_create(); | |
2831 | if (!*string_decl) { | |
2832 | _PERROR("%s", "cannot create string declaration"); | |
2833 | ret = -ENOMEM; | |
2834 | goto error; | |
2835 | } | |
2836 | ||
2837 | ret = bt_ctf_field_type_string_set_encoding(*string_decl, encoding); | |
2838 | if (ret) { | |
2839 | _PERROR("%s", "cannot configure string declaration"); | |
2840 | ret = -EINVAL; | |
2841 | goto error; | |
2842 | } | |
2843 | ||
2844 | return 0; | |
2845 | ||
2846 | error: | |
2847 | BT_PUT(*string_decl); | |
2848 | ||
2849 | return ret; | |
2850 | } | |
2851 | ||
2852 | static | |
2853 | int visit_type_specifier_list(struct ctx *ctx, | |
2854 | struct ctf_node *ts_list, | |
2855 | struct bt_ctf_field_type **decl) | |
2856 | { | |
2857 | int ret = 0; | |
2858 | struct ctf_node *first, *node; | |
2859 | ||
2860 | *decl = NULL; | |
2861 | ||
2862 | if (ts_list->type != NODE_TYPE_SPECIFIER_LIST) { | |
2863 | ret = -EINVAL; | |
2864 | goto error; | |
2865 | } | |
2866 | ||
2867 | first = _BT_LIST_FIRST_ENTRY(&ts_list->u.type_specifier_list.head, | |
2868 | struct ctf_node, siblings); | |
2869 | if (first->type != NODE_TYPE_SPECIFIER) { | |
2870 | ret = -EINVAL; | |
2871 | goto error; | |
2872 | } | |
2873 | ||
2874 | node = first->u.type_specifier.node; | |
2875 | ||
2876 | switch (first->u.type_specifier.type) { | |
2877 | case TYPESPEC_INTEGER: | |
2878 | ret = visit_integer_decl(ctx, &node->u.integer.expressions, | |
2879 | decl); | |
2880 | if (ret) { | |
2881 | assert(!*decl); | |
2882 | goto error; | |
2883 | } | |
2884 | break; | |
2885 | case TYPESPEC_FLOATING_POINT: | |
2886 | ret = visit_floating_point_number_decl(ctx, | |
2887 | &node->u.floating_point.expressions, decl); | |
2888 | if (ret) { | |
2889 | assert(!*decl); | |
2890 | goto error; | |
2891 | } | |
2892 | break; | |
2893 | case TYPESPEC_STRING: | |
2894 | ret = visit_string_decl(ctx, | |
2895 | &node->u.string.expressions, decl); | |
2896 | if (ret) { | |
2897 | assert(!*decl); | |
2898 | goto error; | |
2899 | } | |
2900 | break; | |
2901 | case TYPESPEC_STRUCT: | |
2902 | ret = visit_struct_decl(ctx, node->u._struct.name, | |
2903 | &node->u._struct.declaration_list, | |
2904 | node->u._struct.has_body, | |
2905 | &node->u._struct.min_align, decl); | |
2906 | if (ret) { | |
2907 | assert(!*decl); | |
2908 | goto error; | |
2909 | } | |
2910 | break; | |
2911 | case TYPESPEC_VARIANT: | |
2912 | ret = visit_variant_decl(ctx, node->u.variant.name, | |
2913 | node->u.variant.choice, | |
2914 | &node->u.variant.declaration_list, | |
2915 | node->u.variant.has_body, decl); | |
2916 | if (ret) { | |
2917 | assert(!*decl); | |
2918 | goto error; | |
2919 | } | |
2920 | break; | |
2921 | case TYPESPEC_ENUM: | |
2922 | ret = visit_enum_decl(ctx, node->u._enum.enum_id, | |
2923 | node->u._enum.container_type, | |
2924 | &node->u._enum.enumerator_list, | |
2925 | node->u._enum.has_body, decl); | |
2926 | if (ret) { | |
2927 | assert(!*decl); | |
2928 | goto error; | |
2929 | } | |
2930 | break; | |
2931 | case TYPESPEC_VOID: | |
2932 | case TYPESPEC_CHAR: | |
2933 | case TYPESPEC_SHORT: | |
2934 | case TYPESPEC_INT: | |
2935 | case TYPESPEC_LONG: | |
2936 | case TYPESPEC_FLOAT: | |
2937 | case TYPESPEC_DOUBLE: | |
2938 | case TYPESPEC_SIGNED: | |
2939 | case TYPESPEC_UNSIGNED: | |
2940 | case TYPESPEC_BOOL: | |
2941 | case TYPESPEC_COMPLEX: | |
2942 | case TYPESPEC_IMAGINARY: | |
2943 | case TYPESPEC_CONST: | |
2944 | case TYPESPEC_ID_TYPE: | |
2945 | ret = visit_type_specifier(ctx, ts_list, decl); | |
2946 | if (ret) { | |
2947 | assert(!*decl); | |
2948 | goto error; | |
2949 | } | |
2950 | break; | |
2951 | default: | |
2952 | _PERROR("unexpected node type: %d", | |
2953 | (int) first->u.type_specifier.type); | |
2954 | ret = -EINVAL; | |
2955 | goto error; | |
2956 | } | |
2957 | ||
2958 | assert(*decl); | |
2959 | ||
2960 | return 0; | |
2961 | ||
2962 | error: | |
2963 | BT_PUT(*decl); | |
2964 | ||
2965 | return ret; | |
2966 | } | |
2967 | ||
2968 | static | |
2969 | int visit_event_decl_entry(struct ctx *ctx, struct ctf_node *node, | |
2970 | struct bt_ctf_event_class *event_class, int64_t *stream_id, | |
2971 | int *set) | |
2972 | { | |
2973 | int ret = 0; | |
2974 | char *left = NULL; | |
2975 | _BT_CTF_FIELD_TYPE_INIT(decl); | |
2976 | ||
2977 | switch (node->type) { | |
2978 | case NODE_TYPEDEF: | |
2979 | ret = visit_typedef(ctx, node->u._typedef.type_specifier_list, | |
2980 | &node->u._typedef.type_declarators); | |
2981 | if (ret) { | |
2982 | _PERROR("%s", | |
2983 | "cannot add typedef in \"event\" declaration"); | |
2984 | goto error; | |
2985 | } | |
2986 | break; | |
2987 | case NODE_TYPEALIAS: | |
2988 | ret = visit_typealias(ctx, node->u.typealias.target, | |
2989 | node->u.typealias.alias); | |
2990 | if (ret) { | |
2991 | _PERROR("%s", "cannot add typealias in \"event\" declaration"); | |
2992 | goto error; | |
2993 | } | |
2994 | break; | |
2995 | case NODE_CTF_EXPRESSION: | |
2996 | { | |
2997 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
2998 | if (!left) { | |
2999 | ret = -EINVAL; | |
3000 | goto error; | |
3001 | } | |
3002 | ||
3003 | if (!strcmp(left, "name")) { | |
3004 | /* This is already known at this stage */ | |
3005 | if (_IS_SET(set, _EVENT_NAME_SET)) { | |
3006 | _PERROR_DUP_ATTR("name", "event declaration"); | |
3007 | ret = -EPERM; | |
3008 | goto error; | |
3009 | } | |
3010 | ||
3011 | _SET(set, _EVENT_NAME_SET); | |
3012 | } else if (!strcmp(left, "id")) { | |
3013 | int64_t id; | |
3014 | ||
3015 | if (_IS_SET(set, _EVENT_ID_SET)) { | |
3016 | _PERROR_DUP_ATTR("id", "event declaration"); | |
3017 | ret = -EPERM; | |
3018 | goto error; | |
3019 | } | |
3020 | ||
3021 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3022 | (uint64_t *) &id); | |
3023 | if (ret || id < 0) { | |
3024 | _PERROR("%s", "unexpected unary expression for event declaration's \"id\" attribute"); | |
3025 | ret = -EINVAL; | |
3026 | goto error; | |
3027 | } | |
3028 | ||
3029 | ret = bt_ctf_event_class_set_id(event_class, id); | |
3030 | if (ret) { | |
3031 | _PERROR("%s", | |
3032 | "cannot set event declaration's ID"); | |
3033 | goto error; | |
3034 | } | |
3035 | ||
3036 | _SET(set, _EVENT_ID_SET); | |
3037 | } else if (!strcmp(left, "stream_id")) { | |
3038 | if (_IS_SET(set, _EVENT_STREAM_ID_SET)) { | |
3039 | _PERROR_DUP_ATTR("stream_id", | |
3040 | "event declaration"); | |
3041 | ret = -EPERM; | |
3042 | goto error; | |
3043 | } | |
3044 | ||
3045 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3046 | (uint64_t *) stream_id); | |
3047 | if (ret || *stream_id < 0) { | |
3048 | _PERROR("%s", "unexpected unary expression for event declaration's \"stream_id\" attribute"); | |
3049 | ret = -EINVAL; | |
3050 | goto error; | |
3051 | } | |
3052 | ||
3053 | _SET(set, _EVENT_STREAM_ID_SET); | |
3054 | } else if (!strcmp(left, "context")) { | |
3055 | if (_IS_SET(set, _EVENT_CONTEXT_SET)) { | |
3056 | _PERROR("%s", "duplicate \"context\" entry in event declaration"); | |
3057 | ret = -EPERM; | |
3058 | goto error; | |
3059 | } | |
3060 | ||
3061 | ret = visit_type_specifier_list(ctx, | |
3062 | _BT_LIST_FIRST_ENTRY( | |
3063 | &node->u.ctf_expression.right, | |
3064 | struct ctf_node, siblings), | |
3065 | &decl); | |
3066 | if (ret) { | |
3067 | _PERROR("%s", "cannot create event context declaration"); | |
3068 | goto error; | |
3069 | } | |
3070 | ||
3071 | assert(decl); | |
3072 | ret = bt_ctf_event_class_set_context_type( | |
3073 | event_class, decl); | |
3074 | BT_PUT(decl); | |
3075 | if (ret) { | |
3076 | _PERROR("%s", "cannot set event's context declaration"); | |
3077 | goto error; | |
3078 | } | |
3079 | ||
3080 | _SET(set, _EVENT_CONTEXT_SET); | |
3081 | } else if (!strcmp(left, "fields")) { | |
3082 | if (_IS_SET(set, _EVENT_FIELDS_SET)) { | |
3083 | _PERROR("%s", "duplicate \"fields\" entry in event declaration"); | |
3084 | ret = -EPERM; | |
3085 | goto error; | |
3086 | } | |
3087 | ||
3088 | ret = visit_type_specifier_list(ctx, | |
3089 | _BT_LIST_FIRST_ENTRY( | |
3090 | &node->u.ctf_expression.right, | |
3091 | struct ctf_node, siblings), | |
3092 | &decl); | |
3093 | if (ret) { | |
3094 | _PERROR("%s", "cannot create event payload declaration"); | |
3095 | goto error; | |
3096 | } | |
3097 | ||
3098 | assert(decl); | |
3099 | ret = bt_ctf_event_class_set_payload_type( | |
3100 | event_class, decl); | |
3101 | BT_PUT(decl); | |
3102 | if (ret) { | |
3103 | _PERROR("%s", "cannot set event's payload declaration"); | |
3104 | goto error; | |
3105 | } | |
3106 | ||
3107 | _SET(set, _EVENT_FIELDS_SET); | |
3108 | } else if (!strcmp(left, "loglevel")) { | |
c3c30b08 MD |
3109 | uint64_t loglevel_value; |
3110 | const char *loglevel_str; | |
3111 | struct bt_value *value_obj, *str_obj; | |
e98a2d6e PP |
3112 | |
3113 | if (_IS_SET(set, _EVENT_LOGLEVEL_SET)) { | |
3114 | _PERROR_DUP_ATTR("loglevel", | |
3115 | "event declaration"); | |
3116 | ret = -EPERM; | |
3117 | goto error; | |
3118 | } | |
3119 | ||
3120 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
c3c30b08 | 3121 | &loglevel_value); |
e98a2d6e PP |
3122 | if (ret) { |
3123 | _PERROR("%s", "unexpected unary expression for event declaration's \"loglevel\" attribute"); | |
3124 | ret = -EINVAL; | |
3125 | goto error; | |
3126 | } | |
c3c30b08 MD |
3127 | value_obj = bt_value_integer_create_init(loglevel_value); |
3128 | if (!value_obj) { | |
3129 | _PERROR("%s", "cannot allocate memory for loglevel value object"); | |
3130 | ret = -ENOMEM; | |
3131 | goto error; | |
3132 | } | |
3133 | if (bt_ctf_event_class_set_attribute(event_class, | |
3134 | "loglevel", value_obj) != BT_VALUE_STATUS_OK) { | |
3135 | _PERROR("%s", "cannot set loglevel value"); | |
3136 | ret = -EINVAL; | |
3137 | bt_put(value_obj); | |
3138 | goto error; | |
3139 | } | |
3140 | loglevel_str = print_loglevel(loglevel_value); | |
3141 | if (loglevel_str) { | |
3142 | str_obj = bt_value_string_create_init(loglevel_str); | |
3143 | if (bt_ctf_event_class_set_attribute(event_class, | |
3144 | "loglevel_string", str_obj) != BT_VALUE_STATUS_OK) { | |
3145 | _PERROR("%s", "cannot set loglevel string"); | |
3146 | ret = -EINVAL; | |
3147 | bt_put(str_obj); | |
3148 | goto error; | |
3149 | } | |
3150 | bt_put(str_obj); | |
3151 | } | |
3152 | bt_put(value_obj); | |
e98a2d6e PP |
3153 | _SET(set, _EVENT_LOGLEVEL_SET); |
3154 | } else if (!strcmp(left, "model.emf.uri")) { | |
3155 | char *right; | |
3156 | ||
3157 | if (_IS_SET(set, _EVENT_MODEL_EMF_URI_SET)) { | |
3158 | _PERROR_DUP_ATTR("model.emf.uri", | |
3159 | "event declaration"); | |
3160 | ret = -EPERM; | |
3161 | goto error; | |
3162 | } | |
3163 | ||
3164 | right = concatenate_unary_strings( | |
3165 | &node->u.ctf_expression.right); | |
3166 | if (!right) { | |
3167 | _PERROR("%s", "unexpected unary expression for event declaration's \"model.emf.uri\" attribute"); | |
3168 | ret = -EINVAL; | |
3169 | goto error; | |
3170 | } | |
3171 | ||
3172 | // TODO: FIXME: set model EMF URI here | |
3173 | ||
3174 | g_free(right); | |
3175 | _SET(set, _EVENT_MODEL_EMF_URI_SET); | |
3176 | } else { | |
3177 | _PWARNING("unknown attribute \"%s\" in event declaration", | |
3178 | left); | |
3179 | } | |
3180 | ||
3181 | g_free(left); | |
3182 | left = NULL; | |
3183 | break; | |
3184 | } | |
3185 | default: | |
3186 | ret = -EPERM; | |
3187 | goto error; | |
3188 | } | |
3189 | ||
3190 | return 0; | |
3191 | ||
3192 | error: | |
3193 | if (left) { | |
3194 | g_free(left); | |
3195 | } | |
3196 | ||
3197 | BT_PUT(decl); | |
3198 | ||
3199 | return ret; | |
3200 | } | |
3201 | ||
3202 | static | |
3203 | char *get_event_decl_name(struct ctx *ctx, struct ctf_node *node) | |
3204 | { | |
3205 | char *left = NULL; | |
3206 | char *name = NULL; | |
3207 | struct ctf_node *iter; | |
3208 | struct bt_list_head *decl_list = &node->u.event.declaration_list; | |
3209 | ||
3210 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
3211 | if (iter->type != NODE_CTF_EXPRESSION) { | |
3212 | continue; | |
3213 | } | |
3214 | ||
3215 | left = concatenate_unary_strings(&iter->u.ctf_expression.left); | |
3216 | if (!left) { | |
3217 | goto error; | |
3218 | } | |
3219 | ||
3220 | if (!strcmp(left, "name")) { | |
3221 | name = concatenate_unary_strings( | |
3222 | &iter->u.ctf_expression.right); | |
3223 | if (!name) { | |
3224 | _PERROR("%s", "unexpected unary expression for event declaration's \"name\" attribute"); | |
3225 | goto error; | |
3226 | } | |
3227 | } | |
3228 | ||
3229 | g_free(left); | |
3230 | left = NULL; | |
3231 | ||
3232 | if (name) { | |
3233 | break; | |
3234 | } | |
3235 | } | |
3236 | ||
3237 | return name; | |
3238 | ||
3239 | error: | |
3240 | g_free(left); | |
3241 | ||
3242 | return NULL; | |
3243 | } | |
3244 | ||
3245 | static | |
3246 | int reset_event_decl_types(struct ctx *ctx, | |
3247 | struct bt_ctf_event_class *event_class) | |
3248 | { | |
3249 | int ret = 0; | |
e98a2d6e | 3250 | |
835b2d10 JG |
3251 | /* Context type. */ |
3252 | ret = bt_ctf_event_class_set_context_type(event_class, NULL); | |
e98a2d6e | 3253 | if (ret) { |
835b2d10 JG |
3254 | _PERROR("%s", "cannot set initial NULL event context"); |
3255 | goto end; | |
e98a2d6e PP |
3256 | } |
3257 | ||
835b2d10 JG |
3258 | /* Event payload. */ |
3259 | ret = bt_ctf_event_class_set_payload_type(event_class, NULL); | |
e98a2d6e | 3260 | if (ret) { |
835b2d10 JG |
3261 | _PERROR("%s", "cannot set initial NULL event payload"); |
3262 | goto end; | |
e98a2d6e | 3263 | } |
835b2d10 | 3264 | end: |
e98a2d6e PP |
3265 | return ret; |
3266 | } | |
3267 | ||
3268 | static | |
3269 | int reset_stream_decl_types(struct ctx *ctx, | |
3270 | struct bt_ctf_stream_class *stream_class) | |
3271 | { | |
3272 | int ret = 0; | |
e98a2d6e | 3273 | |
835b2d10 JG |
3274 | /* Packet context. */ |
3275 | ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL); | |
e98a2d6e | 3276 | if (ret) { |
835b2d10 JG |
3277 | _PERROR("%s", "cannot set initial empty packet context"); |
3278 | goto end; | |
e98a2d6e PP |
3279 | } |
3280 | ||
835b2d10 JG |
3281 | /* Event header. */ |
3282 | ret = bt_ctf_stream_class_set_event_header_type(stream_class, NULL); | |
e98a2d6e | 3283 | if (ret) { |
835b2d10 JG |
3284 | _PERROR("%s", "cannot set initial empty event header"); |
3285 | goto end; | |
e98a2d6e PP |
3286 | } |
3287 | ||
835b2d10 JG |
3288 | /* Event context. */ |
3289 | ret = bt_ctf_stream_class_set_event_context_type(stream_class, NULL); | |
e98a2d6e | 3290 | if (ret) { |
835b2d10 JG |
3291 | _PERROR("%s", "cannot set initial empty stream event context"); |
3292 | goto end; | |
e98a2d6e | 3293 | } |
835b2d10 | 3294 | end: |
e98a2d6e PP |
3295 | return ret; |
3296 | } | |
3297 | ||
3298 | static | |
3299 | struct bt_ctf_stream_class *create_reset_stream_class(struct ctx *ctx) | |
3300 | { | |
3301 | int ret; | |
3302 | struct bt_ctf_stream_class *stream_class; | |
3303 | ||
3304 | stream_class = bt_ctf_stream_class_create(NULL); | |
3305 | if (!stream_class) { | |
3306 | _PERROR("%s", "cannot create stream class"); | |
3307 | goto error; | |
3308 | } | |
3309 | ||
3310 | /* | |
835b2d10 JG |
3311 | * Set packet context, event header, and event context to NULL to |
3312 | * override the default ones. | |
e98a2d6e PP |
3313 | */ |
3314 | ret = reset_stream_decl_types(ctx, stream_class); | |
3315 | if (ret) { | |
3316 | goto error; | |
3317 | } | |
3318 | ||
3319 | return stream_class; | |
3320 | ||
3321 | error: | |
3322 | BT_PUT(stream_class); | |
3323 | ||
3324 | return NULL; | |
3325 | } | |
3326 | ||
3327 | static | |
3328 | int visit_event_decl(struct ctx *ctx, struct ctf_node *node) | |
3329 | { | |
3330 | int ret = 0; | |
3331 | int set = 0; | |
3332 | int64_t event_id; | |
3333 | struct ctf_node *iter; | |
3334 | int64_t stream_id = -1; | |
3335 | char *event_name = NULL; | |
3336 | struct bt_ctf_event_class *event_class = NULL; | |
3337 | struct bt_ctf_event_class *eevent_class; | |
3338 | struct bt_ctf_stream_class *stream_class; | |
3339 | struct bt_list_head *decl_list = &node->u.event.declaration_list; | |
3340 | ||
3341 | if (node->visited) { | |
3342 | goto end; | |
3343 | } | |
3344 | ||
3345 | node->visited = TRUE; | |
3346 | event_name = get_event_decl_name(ctx, node); | |
3347 | if (!event_name) { | |
3348 | _PERROR("%s", | |
3349 | "missing \"name\" attribute in event declaration"); | |
3350 | ret = -EPERM; | |
3351 | goto error; | |
3352 | } | |
3353 | ||
3354 | event_class = bt_ctf_event_class_create(event_name); | |
3355 | ||
3356 | /* | |
835b2d10 | 3357 | * Unset context and fields to override the default ones. |
e98a2d6e PP |
3358 | */ |
3359 | ret = reset_event_decl_types(ctx, event_class); | |
3360 | if (ret) { | |
3361 | goto error; | |
3362 | } | |
3363 | ||
3364 | ||
3365 | ret = ctx_push_scope(ctx); | |
3366 | if (ret) { | |
3367 | _PERROR("%s", "cannot push scope"); | |
3368 | goto error; | |
3369 | } | |
3370 | ||
3371 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
3372 | ret = visit_event_decl_entry(ctx, iter, event_class, | |
3373 | &stream_id, &set); | |
3374 | if (ret) { | |
3375 | goto error; | |
3376 | } | |
3377 | } | |
3378 | ||
3379 | if (!_IS_SET(&set, _EVENT_STREAM_ID_SET)) { | |
3380 | GList *keys = NULL; | |
3381 | struct bt_ctf_stream_class *new_stream_class; | |
3382 | ||
3383 | /* Allow missing stream_id if there is only a single stream */ | |
3384 | switch (g_hash_table_size(ctx->stream_classes)) { | |
3385 | case 0: | |
3386 | /* Create stream if there's none */ | |
3387 | new_stream_class = create_reset_stream_class(ctx); | |
3388 | if (!new_stream_class) { | |
3389 | ret = -EINVAL; | |
3390 | goto error; | |
3391 | } | |
3392 | ||
3393 | ret = bt_ctf_stream_class_set_id(new_stream_class, 0); | |
3394 | if (ret) { | |
3395 | _PERROR("%s", "cannot set stream's ID"); | |
3396 | BT_PUT(new_stream_class); | |
3397 | goto error; | |
3398 | } | |
3399 | ||
3400 | stream_id = 0; | |
3401 | ||
3402 | /* Move reference to visitor's context */ | |
3403 | g_hash_table_insert(ctx->stream_classes, | |
3404 | (gpointer) stream_id, new_stream_class); | |
3405 | new_stream_class = NULL; | |
3406 | ||
3407 | break; | |
3408 | case 1: | |
3409 | /* Single stream: get its ID */ | |
3410 | keys = g_hash_table_get_keys(ctx->stream_classes); | |
3411 | stream_id = (int64_t) keys->data; | |
3412 | g_list_free(keys); | |
3413 | keys = NULL; | |
3414 | break; | |
3415 | default: | |
3416 | _PERROR("%s", "missing \"stream_id\" attribute in event declaration"); | |
3417 | ret = -EPERM; | |
3418 | goto error; | |
3419 | } | |
3420 | } | |
3421 | ||
3422 | ||
3423 | ||
3424 | assert(stream_id >= 0); | |
3425 | ||
3426 | /* We have the stream ID now; borrow the stream class if found */ | |
3427 | stream_class = g_hash_table_lookup(ctx->stream_classes, | |
3428 | (gpointer) stream_id); | |
3429 | if (!stream_class) { | |
3430 | _PERROR("cannot find stream class with ID %" PRId64, | |
3431 | stream_id); | |
3432 | ret = -EINVAL; | |
3433 | goto error; | |
3434 | } | |
3435 | ||
3436 | if (!_IS_SET(&set, _EVENT_ID_SET)) { | |
3437 | /* Allow only one event without ID per stream */ | |
3438 | if (bt_ctf_stream_class_get_event_class_count(stream_class) != | |
3439 | 0) { | |
3440 | _PERROR("%s", | |
3441 | "missing \"id\" field in event declaration"); | |
3442 | ret = -EPERM; | |
3443 | goto error; | |
3444 | } | |
3445 | ||
3446 | /* Automatic ID */ | |
3447 | ret = bt_ctf_event_class_set_id(event_class, 0); | |
3448 | if (ret) { | |
3449 | _PERROR("%s", "cannot set event's ID"); | |
3450 | goto error; | |
3451 | } | |
3452 | } | |
3453 | ||
3454 | event_id = bt_ctf_event_class_get_id(event_class); | |
3455 | if (event_id < 0) { | |
3456 | _PERROR("%s", "cannot get event's ID"); | |
3457 | ret = -EINVAL; | |
3458 | goto error; | |
3459 | } | |
3460 | ||
3461 | eevent_class = bt_ctf_stream_class_get_event_class_by_id(stream_class, | |
3462 | event_id); | |
3463 | if (eevent_class) { | |
3464 | BT_PUT(eevent_class); | |
3465 | _PERROR("%s", "duplicate event with ID %" PRId64 " in same stream"); | |
3466 | ret = -EEXIST; | |
3467 | goto error; | |
3468 | } | |
3469 | ||
3470 | eevent_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, | |
3471 | event_name); | |
3472 | if (eevent_class) { | |
3473 | BT_PUT(eevent_class); | |
3474 | eevent_class = NULL; | |
3475 | _PERROR("%s", | |
3476 | "duplicate event with name \"%s\" in same stream"); | |
3477 | ret = -EEXIST; | |
3478 | goto error; | |
3479 | } | |
3480 | ||
3481 | g_free(event_name); | |
3482 | ret = bt_ctf_stream_class_add_event_class(stream_class, event_class); | |
3483 | BT_PUT(event_class); | |
3484 | event_class = NULL; | |
3485 | ||
3486 | if (ret) { | |
3487 | _PERROR("%s", "cannot add event class to stream class"); | |
3488 | goto error; | |
3489 | } | |
3490 | ||
3491 | end: | |
3492 | return 0; | |
3493 | ||
3494 | error: | |
3495 | g_free(event_name); | |
3496 | BT_PUT(event_class); | |
3497 | ||
3498 | /* stream_class is borrowed; it still belongs to the hash table */ | |
3499 | ||
3500 | return ret; | |
3501 | } | |
3502 | ||
3503 | static | |
3504 | int visit_stream_decl_entry(struct ctx *ctx, struct ctf_node *node, | |
3505 | struct bt_ctf_stream_class *stream_class, int *set) | |
3506 | { | |
3507 | int ret = 0; | |
3508 | char *left = NULL; | |
3509 | _BT_CTF_FIELD_TYPE_INIT(decl); | |
3510 | ||
3511 | switch (node->type) { | |
3512 | case NODE_TYPEDEF: | |
3513 | ret = visit_typedef(ctx, node->u._typedef.type_specifier_list, | |
3514 | &node->u._typedef.type_declarators); | |
3515 | if (ret) { | |
3516 | _PERROR("%s", | |
3517 | "cannot add typedef in \"stream\" declaration"); | |
3518 | goto error; | |
3519 | } | |
3520 | break; | |
3521 | case NODE_TYPEALIAS: | |
3522 | ret = visit_typealias(ctx, node->u.typealias.target, | |
3523 | node->u.typealias.alias); | |
3524 | if (ret) { | |
3525 | _PERROR("%s", "cannot add typealias in \"stream\" declaration"); | |
3526 | goto error; | |
3527 | } | |
3528 | break; | |
3529 | case NODE_CTF_EXPRESSION: | |
3530 | { | |
3531 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
3532 | if (!left) { | |
3533 | ret = -EINVAL; | |
3534 | goto error; | |
3535 | } | |
3536 | ||
3537 | if (!strcmp(left, "id")) { | |
3538 | int64_t id; | |
3539 | gpointer ptr; | |
3540 | ||
3541 | if (_IS_SET(set, _STREAM_ID_SET)) { | |
3542 | _PERROR_DUP_ATTR("id", "stream declaration"); | |
3543 | ret = -EPERM; | |
3544 | goto error; | |
3545 | } | |
3546 | ||
3547 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3548 | (uint64_t *) &id); | |
3549 | if (ret || id < 0) { | |
3550 | _PERROR("%s", "unexpected unary expression for stream declaration's \"id\" attribute"); | |
3551 | ret = -EINVAL; | |
3552 | goto error; | |
3553 | } | |
3554 | ||
3555 | ptr = g_hash_table_lookup(ctx->stream_classes, | |
3556 | (gpointer) id); | |
3557 | if (ptr) { | |
3558 | _PERROR("duplicate stream with ID %" PRId64, | |
3559 | id); | |
3560 | ret = -EEXIST; | |
3561 | goto error; | |
3562 | } | |
3563 | ||
3564 | ret = bt_ctf_stream_class_set_id(stream_class, id); | |
3565 | if (ret) { | |
3566 | _PERROR("%s", | |
3567 | "cannot set stream declaration's ID"); | |
3568 | goto error; | |
3569 | } | |
3570 | ||
3571 | _SET(set, _STREAM_ID_SET); | |
3572 | } else if (!strcmp(left, "event.header")) { | |
3573 | if (_IS_SET(set, _STREAM_EVENT_HEADER_SET)) { | |
3574 | _PERROR("%s", "duplicate \"event.header\" entry in stream declaration"); | |
3575 | ret = -EPERM; | |
3576 | goto error; | |
3577 | } | |
3578 | ||
3579 | ret = visit_type_specifier_list(ctx, | |
3580 | _BT_LIST_FIRST_ENTRY( | |
3581 | &node->u.ctf_expression.right, | |
3582 | struct ctf_node, siblings), | |
3583 | &decl); | |
3584 | if (ret) { | |
3585 | _PERROR("%s", "cannot create event header declaration"); | |
3586 | goto error; | |
3587 | } | |
3588 | ||
3589 | assert(decl); | |
3590 | ||
3591 | ret = bt_ctf_stream_class_set_event_header_type( | |
3592 | stream_class, decl); | |
3593 | BT_PUT(decl); | |
3594 | if (ret) { | |
3595 | _PERROR("%s", "cannot set stream's event header declaration"); | |
3596 | goto error; | |
3597 | } | |
3598 | ||
3599 | _SET(set, _STREAM_EVENT_HEADER_SET); | |
3600 | } else if (!strcmp(left, "event.context")) { | |
3601 | if (_IS_SET(set, _STREAM_EVENT_CONTEXT_SET)) { | |
3602 | _PERROR("%s", "duplicate \"event.context\" entry in stream declaration"); | |
3603 | ret = -EPERM; | |
3604 | goto error; | |
3605 | } | |
3606 | ||
3607 | ret = visit_type_specifier_list(ctx, | |
3608 | _BT_LIST_FIRST_ENTRY( | |
3609 | &node->u.ctf_expression.right, | |
3610 | struct ctf_node, siblings), | |
3611 | &decl); | |
3612 | if (ret) { | |
3613 | _PERROR("%s", "cannot create stream event context declaration"); | |
3614 | goto error; | |
3615 | } | |
3616 | ||
3617 | assert(decl); | |
3618 | ||
3619 | ret = bt_ctf_stream_class_set_event_context_type( | |
3620 | stream_class, decl); | |
3621 | BT_PUT(decl); | |
3622 | if (ret) { | |
3623 | _PERROR("%s", "cannot set stream's event context declaration"); | |
3624 | goto error; | |
3625 | } | |
3626 | ||
3627 | _SET(set, _STREAM_EVENT_CONTEXT_SET); | |
3628 | } else if (!strcmp(left, "packet.context")) { | |
3629 | if (_IS_SET(set, _STREAM_PACKET_CONTEXT_SET)) { | |
3630 | _PERROR("%s", "duplicate \"packet.context\" entry in stream declaration"); | |
3631 | ret = -EPERM; | |
3632 | goto error; | |
3633 | } | |
3634 | ||
3635 | ret = visit_type_specifier_list(ctx, | |
3636 | _BT_LIST_FIRST_ENTRY( | |
3637 | &node->u.ctf_expression.right, | |
3638 | struct ctf_node, siblings), | |
3639 | &decl); | |
3640 | if (ret) { | |
3641 | _PERROR("%s", "cannot create packet context declaration"); | |
3642 | goto error; | |
3643 | } | |
3644 | ||
3645 | assert(decl); | |
3646 | ||
3647 | ret = bt_ctf_stream_class_set_packet_context_type( | |
3648 | stream_class, decl); | |
3649 | BT_PUT(decl); | |
3650 | if (ret) { | |
3651 | _PERROR("%s", "cannot set stream's packet context declaration"); | |
3652 | goto error; | |
3653 | } | |
3654 | ||
3655 | _SET(set, _STREAM_PACKET_CONTEXT_SET); | |
3656 | } else { | |
3657 | _PWARNING("unknown attribute \"%s\" in stream declaration", | |
3658 | left); | |
3659 | } | |
3660 | ||
3661 | g_free(left); | |
3662 | left = NULL; | |
3663 | break; | |
3664 | } | |
3665 | ||
3666 | default: | |
3667 | ret = -EPERM; | |
3668 | goto error; | |
3669 | } | |
3670 | ||
3671 | return 0; | |
3672 | ||
3673 | error: | |
3674 | g_free(left); | |
3675 | BT_PUT(decl); | |
3676 | ||
3677 | return ret; | |
3678 | } | |
3679 | ||
3680 | static | |
3681 | int visit_stream_decl(struct ctx *ctx, struct ctf_node *node) | |
3682 | { | |
3683 | int64_t id; | |
3684 | int set = 0; | |
3685 | int ret = 0; | |
3686 | struct ctf_node *iter; | |
3687 | struct bt_ctf_stream_class *stream_class = NULL; | |
3688 | struct bt_list_head *decl_list = &node->u.stream.declaration_list; | |
3689 | ||
3690 | if (node->visited) { | |
3691 | goto end; | |
3692 | } | |
3693 | ||
3694 | node->visited = TRUE; | |
3695 | stream_class = create_reset_stream_class(ctx); | |
3696 | if (!stream_class) { | |
3697 | ret = -EINVAL; | |
3698 | goto error; | |
3699 | } | |
3700 | ||
3701 | ret = ctx_push_scope(ctx); | |
3702 | if (ret) { | |
3703 | _PERROR("%s", "cannot push scope"); | |
3704 | goto error; | |
3705 | } | |
3706 | ||
3707 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
3708 | ret = visit_stream_decl_entry(ctx, iter, stream_class, &set); | |
3709 | if (ret) { | |
3710 | ctx_pop_scope(ctx); | |
3711 | goto error; | |
3712 | } | |
3713 | } | |
3714 | ||
3715 | ctx_pop_scope(ctx); | |
3716 | ||
3717 | if (_IS_SET(&set, _STREAM_ID_SET)) { | |
3718 | /* Check that packet header has stream_id field */ | |
3719 | _BT_CTF_FIELD_TYPE_INIT(stream_id_decl); | |
3720 | _BT_CTF_FIELD_TYPE_INIT(packet_header_decl); | |
3721 | ||
3722 | packet_header_decl = | |
3723 | bt_ctf_trace_get_packet_header_type(ctx->trace); | |
3724 | if (!packet_header_decl) { | |
3725 | _PERROR("%s", | |
3726 | "cannot get trace packet header declaration"); | |
3727 | goto error; | |
3728 | } | |
3729 | ||
3730 | stream_id_decl = | |
3731 | bt_ctf_field_type_structure_get_field_type_by_name( | |
3732 | packet_header_decl, "stream_id"); | |
3733 | BT_PUT(packet_header_decl); | |
3734 | if (!stream_id_decl) { | |
3735 | _PERROR("%s", "missing \"stream_id\" field in packet header declaration, but \"id\" attribute is declared for stream"); | |
3736 | goto error; | |
3737 | } | |
3738 | ||
3739 | if (!bt_ctf_field_type_is_integer(stream_id_decl)) { | |
3740 | BT_PUT(stream_id_decl); | |
3741 | _PERROR("%s", "\"stream_id\" field in packet header declaration is not an integer"); | |
3742 | goto error; | |
3743 | } | |
3744 | ||
3745 | BT_PUT(stream_id_decl); | |
3746 | } else { | |
3747 | /* Allow only _one_ ID-less stream */ | |
3748 | if (g_hash_table_size(ctx->stream_classes) != 0) { | |
3749 | _PERROR("%s", | |
3750 | "missing \"id\" field in stream declaration"); | |
3751 | ret = -EPERM; | |
3752 | goto error; | |
3753 | } | |
3754 | ||
3755 | /* Automatic ID: 0 */ | |
3756 | ret = bt_ctf_stream_class_set_id(stream_class, 0); | |
3757 | } | |
3758 | ||
3759 | id = bt_ctf_stream_class_get_id(stream_class); | |
3760 | if (id < 0) { | |
3761 | _PERROR("wrong stream ID: %" PRId64, id); | |
3762 | ret = -EINVAL; | |
3763 | goto error; | |
3764 | } | |
3765 | ||
3766 | /* Move reference to visitor's context */ | |
3767 | g_hash_table_insert(ctx->stream_classes, (gpointer) (int64_t) id, | |
3768 | stream_class); | |
3769 | stream_class = NULL; | |
3770 | ||
3771 | end: | |
3772 | return 0; | |
3773 | ||
3774 | error: | |
3775 | BT_PUT(stream_class); | |
3776 | ||
3777 | return ret; | |
3778 | } | |
3779 | ||
3780 | static | |
3781 | int visit_trace_decl_entry(struct ctx *ctx, struct ctf_node *node, int *set) | |
3782 | { | |
3783 | int ret = 0; | |
3784 | char *left = NULL; | |
3785 | _BT_CTF_FIELD_TYPE_INIT(packet_header_decl); | |
3786 | ||
3787 | switch (node->type) { | |
3788 | case NODE_TYPEDEF: | |
3789 | ret = visit_typedef(ctx, node->u._typedef.type_specifier_list, | |
3790 | &node->u._typedef.type_declarators); | |
3791 | if (ret) { | |
3792 | _PERROR("%s", | |
3793 | "cannot add typedef in \"trace\" declaration"); | |
3794 | goto error; | |
3795 | } | |
3796 | break; | |
3797 | case NODE_TYPEALIAS: | |
3798 | ret = visit_typealias(ctx, node->u.typealias.target, | |
3799 | node->u.typealias.alias); | |
3800 | if (ret) { | |
3801 | _PERROR("%s", | |
3802 | "cannot add typealias in \"trace\" declaration"); | |
3803 | goto error; | |
3804 | } | |
3805 | break; | |
3806 | case NODE_CTF_EXPRESSION: | |
3807 | { | |
3808 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
3809 | if (!left) { | |
3810 | ret = -EINVAL; | |
3811 | goto error; | |
3812 | } | |
3813 | ||
3814 | if (!strcmp(left, "major")) { | |
3815 | if (_IS_SET(set, _TRACE_MAJOR_SET)) { | |
3816 | _PERROR_DUP_ATTR("major", "trace declaration"); | |
3817 | ret = -EPERM; | |
3818 | goto error; | |
3819 | } | |
3820 | ||
3821 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3822 | &ctx->trace_major); | |
3823 | if (ret) { | |
3824 | _PERROR("%s", "unexpected unary expression for trace's \"major\" attribute"); | |
3825 | ret = -EINVAL; | |
3826 | goto error; | |
3827 | } | |
3828 | ||
3829 | _SET(set, _TRACE_MAJOR_SET); | |
3830 | } else if (!strcmp(left, "minor")) { | |
3831 | if (_IS_SET(set, _TRACE_MINOR_SET)) { | |
3832 | _PERROR_DUP_ATTR("minor", "trace declaration"); | |
3833 | ret = -EPERM; | |
3834 | goto error; | |
3835 | } | |
3836 | ||
3837 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3838 | &ctx->trace_minor); | |
3839 | if (ret) { | |
3840 | _PERROR("%s", "unexpected unary expression for trace's \"minor\" attribute"); | |
3841 | ret = -EINVAL; | |
3842 | goto error; | |
3843 | } | |
3844 | ||
3845 | _SET(set, _TRACE_MINOR_SET); | |
3846 | } else if (!strcmp(left, "uuid")) { | |
3847 | if (_IS_SET(set, _TRACE_UUID_SET)) { | |
3848 | _PERROR_DUP_ATTR("uuid", "trace declaration"); | |
3849 | ret = -EPERM; | |
3850 | goto error; | |
3851 | } | |
3852 | ||
3853 | ret = get_unary_uuid(&node->u.ctf_expression.right, | |
3854 | ctx->trace_uuid); | |
3855 | if (ret) { | |
3856 | _PERROR("%s", | |
3857 | "invalid trace declaration's UUID"); | |
3858 | goto error; | |
3859 | } | |
3860 | ||
3861 | _SET(set, _TRACE_UUID_SET); | |
3862 | } else if (!strcmp(left, "byte_order")) { | |
3863 | /* Native byte order is already known at this stage */ | |
3864 | if (_IS_SET(set, _TRACE_BYTE_ORDER_SET)) { | |
3865 | _PERROR_DUP_ATTR("byte_order", | |
3866 | "trace declaration"); | |
3867 | ret = -EPERM; | |
3868 | goto error; | |
3869 | } | |
3870 | ||
3871 | _SET(set, _TRACE_BYTE_ORDER_SET); | |
3872 | } else if (!strcmp(left, "packet.header")) { | |
3873 | if (_IS_SET(set, _TRACE_PACKET_HEADER_SET)) { | |
3874 | _PERROR("%s", "duplicate \"packet.header\" entry in trace declaration"); | |
3875 | ret = -EPERM; | |
3876 | goto error; | |
3877 | } | |
3878 | ||
3879 | ret = visit_type_specifier_list(ctx, | |
3880 | _BT_LIST_FIRST_ENTRY( | |
3881 | &node->u.ctf_expression.right, | |
3882 | struct ctf_node, siblings), | |
3883 | &packet_header_decl); | |
3884 | if (ret) { | |
3885 | _PERROR("%s", "cannot create packet header declaration"); | |
3886 | goto error; | |
3887 | } | |
3888 | ||
3889 | assert(packet_header_decl); | |
3890 | ret = bt_ctf_trace_set_packet_header_type(ctx->trace, | |
3891 | packet_header_decl); | |
3892 | BT_PUT(packet_header_decl); | |
3893 | if (ret) { | |
3894 | _PERROR("%s", "cannot set trace declaration's packet header declaration"); | |
3895 | goto error; | |
3896 | } | |
3897 | ||
3898 | _SET(set, _TRACE_PACKET_HEADER_SET); | |
3899 | } else { | |
3900 | _PWARNING("%s", "unknown attribute \"%s\" in trace declaration"); | |
3901 | } | |
3902 | ||
3903 | g_free(left); | |
3904 | left = NULL; | |
3905 | break; | |
3906 | } | |
3907 | default: | |
3908 | _PERROR("%s", "unknown expression in trace declaration"); | |
3909 | ret = -EINVAL; | |
3910 | goto error; | |
3911 | } | |
3912 | ||
3913 | return 0; | |
3914 | ||
3915 | error: | |
3916 | g_free(left); | |
3917 | BT_PUT(packet_header_decl); | |
3918 | ||
3919 | return ret; | |
3920 | } | |
3921 | ||
3922 | static | |
3923 | int visit_trace_decl(struct ctx *ctx, struct ctf_node *node) | |
3924 | { | |
3925 | int ret = 0; | |
3926 | int set = 0; | |
3927 | struct ctf_node *iter; | |
3928 | struct bt_list_head *decl_list = &node->u.trace.declaration_list; | |
3929 | ||
3930 | if (node->visited) { | |
3931 | goto end; | |
3932 | } | |
3933 | ||
3934 | node->visited = TRUE; | |
3935 | ||
3936 | if (ctx->is_trace_visited) { | |
3937 | _PERROR("%s", "duplicate \"trace\" block"); | |
3938 | ret = -EEXIST; | |
3939 | goto error; | |
3940 | } | |
3941 | ||
3942 | ret = ctx_push_scope(ctx); | |
3943 | if (ret) { | |
3944 | _PERROR("%s", "cannot push scope"); | |
3945 | goto error; | |
3946 | } | |
3947 | ||
3948 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
3949 | ret = visit_trace_decl_entry(ctx, iter, &set); | |
3950 | if (ret) { | |
3951 | ctx_pop_scope(ctx); | |
3952 | goto error; | |
3953 | } | |
3954 | } | |
3955 | ||
3956 | ctx_pop_scope(ctx); | |
3957 | ||
3958 | if (!_IS_SET(&set, _TRACE_MAJOR_SET)) { | |
3959 | _PERROR("%s", | |
3960 | "missing \"major\" attribute in trace declaration"); | |
3961 | ret = -EPERM; | |
3962 | goto error; | |
3963 | } | |
3964 | ||
3965 | if (!_IS_SET(&set, _TRACE_MINOR_SET)) { | |
3966 | _PERROR("%s", | |
3967 | "missing \"minor\" attribute in trace declaration"); | |
3968 | ret = -EPERM; | |
3969 | goto error; | |
3970 | } | |
3971 | ||
3972 | if (!_IS_SET(&set, _TRACE_BYTE_ORDER_SET)) { | |
3973 | _PERROR("%s", "missing \"byte_order\" attribute in trace declaration"); | |
3974 | ret = -EPERM; | |
3975 | goto error; | |
3976 | } | |
3977 | ||
3978 | ctx->is_trace_visited = TRUE; | |
3979 | ||
3980 | end: | |
3981 | return 0; | |
3982 | ||
3983 | error: | |
3984 | return ret; | |
3985 | } | |
3986 | ||
3987 | static | |
3988 | int visit_env(struct ctx *ctx, struct ctf_node *node) | |
3989 | { | |
3990 | int ret = 0; | |
3991 | char *left = NULL; | |
3992 | struct ctf_node *entry_node; | |
3993 | struct bt_list_head *decl_list = &node->u.env.declaration_list; | |
3994 | ||
3995 | if (node->visited) { | |
3996 | goto end; | |
3997 | } | |
3998 | ||
3999 | node->visited = TRUE; | |
4000 | ||
4001 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
4002 | struct bt_list_head *right_head = | |
4003 | &entry_node->u.ctf_expression.right; | |
4004 | ||
4005 | if (entry_node->type != NODE_CTF_EXPRESSION) { | |
4006 | _PERROR("%s", "wrong expression in environment entry"); | |
4007 | ret = -EPERM; | |
4008 | goto error; | |
4009 | } | |
4010 | ||
4011 | left = concatenate_unary_strings( | |
4012 | &entry_node->u.ctf_expression.left); | |
4013 | if (!left) { | |
4014 | _PERROR("%s", "cannot get environment entry name"); | |
4015 | ret = -EINVAL; | |
4016 | goto error; | |
4017 | } | |
4018 | ||
4019 | if (is_unary_string(right_head)) { | |
4020 | char *right = concatenate_unary_strings(right_head); | |
4021 | ||
4022 | if (!right) { | |
4023 | _PERROR("unexpected unary expression for environment entry's value (\"%s\")", | |
4024 | left); | |
4025 | ret = -EINVAL; | |
4026 | goto error; | |
4027 | } | |
4028 | ||
4029 | printf_verbose("env.%s = \"%s\"\n", left, right); | |
4030 | ret = bt_ctf_trace_set_environment_field_string( | |
4031 | ctx->trace, left, right); | |
4032 | g_free(right); | |
4033 | ||
4034 | if (ret) { | |
4035 | _PERROR("environment: cannot add entry \"%s\" to trace", | |
4036 | left); | |
4037 | goto error; | |
4038 | } | |
4039 | } else if (is_unary_unsigned(right_head) || | |
4040 | is_unary_signed(right_head)) { | |
4041 | int64_t v; | |
4042 | ||
4043 | if (is_unary_unsigned(right_head)) { | |
4044 | ret = get_unary_unsigned(right_head, | |
4045 | (uint64_t *) &v); | |
4046 | } else { | |
4047 | ret = get_unary_signed(right_head, &v); | |
4048 | } | |
4049 | if (ret) { | |
4050 | _PERROR("unexpected unary expression for environment entry's value (\"%s\")", | |
4051 | left); | |
4052 | ret = -EINVAL; | |
4053 | goto error; | |
4054 | } | |
4055 | ||
4056 | printf_verbose("env.%s = %" PRId64 "\n", left, v); | |
4057 | ret = bt_ctf_trace_set_environment_field_integer( | |
4058 | ctx->trace, left, v); | |
4059 | if (ret) { | |
4060 | _PERROR("environment: cannot add entry \"%s\" to trace", | |
4061 | left); | |
4062 | goto error; | |
4063 | } | |
4064 | } else { | |
4065 | printf_verbose("%s: environment entry \"%s\" has unknown type\n", | |
4066 | __func__, left); | |
4067 | } | |
4068 | ||
4069 | g_free(left); | |
4070 | left = NULL; | |
4071 | } | |
4072 | ||
4073 | end: | |
4074 | return 0; | |
4075 | ||
4076 | error: | |
4077 | g_free(left); | |
4078 | ||
4079 | return ret; | |
4080 | } | |
4081 | ||
4082 | static | |
4083 | int set_trace_byte_order(struct ctx *ctx, struct ctf_node *trace_node) | |
4084 | { | |
4085 | int ret = 0; | |
4086 | int set = 0; | |
4087 | char *left = NULL; | |
4088 | struct ctf_node *node; | |
4089 | struct bt_list_head *decl_list = &trace_node->u.trace.declaration_list; | |
4090 | ||
4091 | bt_list_for_each_entry(node, decl_list, siblings) { | |
4092 | if (node->type == NODE_CTF_EXPRESSION) { | |
4093 | struct ctf_node *right_node; | |
4094 | ||
4095 | left = concatenate_unary_strings( | |
4096 | &node->u.ctf_expression.left); | |
4097 | if (!left) { | |
4098 | ret = -EINVAL; | |
4099 | goto error; | |
4100 | } | |
4101 | ||
4102 | if (!strcmp(left, "byte_order")) { | |
4103 | enum bt_ctf_byte_order bo; | |
4104 | ||
4105 | if (_IS_SET(&set, _TRACE_BYTE_ORDER_SET)) { | |
4106 | _PERROR_DUP_ATTR("byte_order", | |
4107 | "trace declaration"); | |
4108 | ret = -EPERM; | |
4109 | goto error; | |
4110 | } | |
4111 | ||
4112 | _SET(&set, _TRACE_BYTE_ORDER_SET); | |
4113 | right_node = _BT_LIST_FIRST_ENTRY( | |
4114 | &node->u.ctf_expression.right, | |
4115 | struct ctf_node, siblings); | |
4116 | bo = byte_order_from_unary_expr(ctx->efd, | |
4117 | right_node); | |
4118 | if (bo == BT_CTF_BYTE_ORDER_UNKNOWN) { | |
4119 | _PERROR("%s", "unknown \"byte_order\" attribute in trace declaration"); | |
4120 | ret = -EINVAL; | |
4121 | goto error; | |
4122 | } else if (bo == BT_CTF_BYTE_ORDER_NATIVE) { | |
4123 | _PERROR("%s", "\"byte_order\" attribute cannot be set to \"native\" in trace declaration"); | |
4124 | ret = -EPERM; | |
4125 | goto error; | |
4126 | } | |
4127 | ||
4128 | ret = bt_ctf_trace_set_byte_order( | |
4129 | ctx->trace, bo); | |
4130 | if (ret) { | |
4131 | _PERROR("cannot set trace's byte order (%d)", | |
4132 | ret); | |
4133 | goto error; | |
4134 | } | |
4135 | } | |
4136 | ||
4137 | g_free(left); | |
4138 | left = NULL; | |
4139 | } | |
4140 | } | |
4141 | ||
4142 | if (!_IS_SET(&set, _TRACE_BYTE_ORDER_SET)) { | |
4143 | _PERROR("%s", "missing \"byte_order\" attribute in trace declaration"); | |
4144 | ret = -EINVAL; | |
4145 | goto error; | |
4146 | } | |
4147 | ||
4148 | return 0; | |
4149 | ||
4150 | error: | |
4151 | g_free(left); | |
4152 | ||
4153 | return ret; | |
4154 | } | |
4155 | ||
4156 | static | |
4157 | int visit_clock_decl_entry(struct ctx *ctx, struct ctf_node *entry_node, | |
4158 | struct bt_ctf_clock *clock, int *set) | |
4159 | { | |
4160 | int ret = 0; | |
4161 | char *left = NULL; | |
4162 | ||
4163 | if (entry_node->type != NODE_CTF_EXPRESSION) { | |
4164 | ret = -EPERM; | |
4165 | goto error; | |
4166 | } | |
4167 | ||
4168 | left = concatenate_unary_strings(&entry_node->u.ctf_expression.left); | |
4169 | if (!left) { | |
4170 | ret = -EINVAL; | |
4171 | goto error; | |
4172 | } | |
4173 | ||
4174 | if (!strcmp(left, "name")) { | |
4175 | char *right; | |
4176 | ||
4177 | if (_IS_SET(set, _CLOCK_NAME_SET)) { | |
4178 | _PERROR_DUP_ATTR("name", "clock declaration"); | |
4179 | ret = -EPERM; | |
4180 | goto error; | |
4181 | } | |
4182 | ||
4183 | right = concatenate_unary_strings( | |
4184 | &entry_node->u.ctf_expression.right); | |
4185 | if (!right) { | |
4186 | _PERROR("%s", "unexpected unary expression for clock declaration's \"name\" attribute"); | |
4187 | ret = -EINVAL; | |
4188 | goto error; | |
4189 | } | |
4190 | ||
4191 | ret = bt_ctf_clock_set_name(clock, right); | |
4192 | if (ret) { | |
4193 | _PERROR("%s", "cannot set clock's name"); | |
4194 | g_free(right); | |
4195 | goto error; | |
4196 | } | |
4197 | ||
4198 | g_free(right); | |
4199 | _SET(set, _CLOCK_NAME_SET); | |
4200 | } else if (!strcmp(left, "uuid")) { | |
4201 | unsigned char uuid[BABELTRACE_UUID_LEN]; | |
4202 | ||
4203 | if (_IS_SET(set, _CLOCK_UUID_SET)) { | |
4204 | _PERROR_DUP_ATTR("uuid", "clock declaration"); | |
4205 | ret = -EPERM; | |
4206 | goto error; | |
4207 | } | |
4208 | ||
4209 | ret = get_unary_uuid(&entry_node->u.ctf_expression.right, uuid); | |
4210 | if (ret) { | |
4211 | _PERROR("%s", "invalid clock UUID"); | |
4212 | goto error; | |
4213 | } | |
4214 | ||
4215 | ret = bt_ctf_clock_set_uuid(clock, uuid); | |
4216 | if (ret) { | |
4217 | _PERROR("%s", "cannot set clock's UUID"); | |
4218 | goto error; | |
4219 | } | |
4220 | ||
4221 | _SET(set, _CLOCK_UUID_SET); | |
4222 | } else if (!strcmp(left, "description")) { | |
4223 | char *right; | |
4224 | ||
4225 | if (_IS_SET(set, _CLOCK_DESCRIPTION_SET)) { | |
4226 | _PERROR_DUP_ATTR("description", "clock declaration"); | |
4227 | ret = -EPERM; | |
4228 | goto error; | |
4229 | } | |
4230 | ||
4231 | right = concatenate_unary_strings( | |
4232 | &entry_node->u.ctf_expression.right); | |
4233 | if (!right) { | |
4234 | _PERROR("%s", "unexpected unary expression for clock's \"description\" attribute"); | |
4235 | ret = -EINVAL; | |
4236 | goto error; | |
4237 | } | |
4238 | ||
4239 | ret = bt_ctf_clock_set_description(clock, right); | |
4240 | if (ret) { | |
4241 | _PERROR("%s", "cannot set clock's description"); | |
4242 | g_free(right); | |
4243 | goto error; | |
4244 | } | |
4245 | ||
4246 | g_free(right); | |
4247 | _SET(set, _CLOCK_DESCRIPTION_SET); | |
4248 | } else if (!strcmp(left, "freq")) { | |
4249 | uint64_t freq; | |
4250 | ||
4251 | if (_IS_SET(set, _CLOCK_FREQ_SET)) { | |
4252 | _PERROR_DUP_ATTR("freq", "clock declaration"); | |
4253 | ret = -EPERM; | |
4254 | goto error; | |
4255 | } | |
4256 | ||
4257 | ret = get_unary_unsigned( | |
4258 | &entry_node->u.ctf_expression.right, &freq); | |
4259 | if (ret) { | |
4260 | _PERROR("%s", "unexpected unary expression for clock declaration's \"freq\" attribute"); | |
4261 | ret = -EINVAL; | |
4262 | goto error; | |
4263 | } | |
4264 | ||
4265 | ret = bt_ctf_clock_set_frequency(clock, freq); | |
4266 | if (ret) { | |
4267 | _PERROR("%s", "cannot set clock's frequency"); | |
4268 | goto error; | |
4269 | } | |
4270 | ||
4271 | _SET(set, _CLOCK_FREQ_SET); | |
4272 | } else if (!strcmp(left, "precision")) { | |
4273 | uint64_t precision; | |
4274 | ||
4275 | if (_IS_SET(set, _CLOCK_PRECISION_SET)) { | |
4276 | _PERROR_DUP_ATTR("precision", "clock declaration"); | |
4277 | ret = -EPERM; | |
4278 | goto error; | |
4279 | } | |
4280 | ||
4281 | ret = get_unary_unsigned( | |
4282 | &entry_node->u.ctf_expression.right, &precision); | |
4283 | if (ret) { | |
4284 | _PERROR("%s", "unexpected unary expression for clock declaration's \"precision\" attribute"); | |
4285 | ret = -EINVAL; | |
4286 | goto error; | |
4287 | } | |
4288 | ||
4289 | ret = bt_ctf_clock_set_precision(clock, precision); | |
4290 | if (ret) { | |
4291 | _PERROR("%s", "cannot set clock's precision"); | |
4292 | goto error; | |
4293 | } | |
4294 | ||
4295 | _SET(set, _CLOCK_PRECISION_SET); | |
4296 | } else if (!strcmp(left, "offset_s")) { | |
4297 | uint64_t offset_s; | |
4298 | ||
4299 | if (_IS_SET(set, _CLOCK_OFFSET_S_SET)) { | |
4300 | _PERROR_DUP_ATTR("offset_s", "clock declaration"); | |
4301 | ret = -EPERM; | |
4302 | goto error; | |
4303 | } | |
4304 | ||
4305 | ret = get_unary_unsigned( | |
4306 | &entry_node->u.ctf_expression.right, &offset_s); | |
4307 | if (ret) { | |
4308 | _PERROR("%s", "unexpected unary expression for clock declaration's \"offset_s\" attribute"); | |
4309 | ret = -EINVAL; | |
4310 | goto error; | |
4311 | } | |
4312 | ||
4313 | ret = bt_ctf_clock_set_offset_s(clock, offset_s); | |
4314 | if (ret) { | |
4315 | _PERROR("%s", "cannot set clock's offset in seconds"); | |
4316 | goto error; | |
4317 | } | |
4318 | ||
4319 | _SET(set, _CLOCK_OFFSET_S_SET); | |
4320 | } else if (!strcmp(left, "offset")) { | |
4321 | uint64_t offset; | |
4322 | ||
4323 | if (_IS_SET(set, _CLOCK_OFFSET_SET)) { | |
4324 | _PERROR_DUP_ATTR("offset", "clock declaration"); | |
4325 | ret = -EPERM; | |
4326 | goto error; | |
4327 | } | |
4328 | ||
4329 | ret = get_unary_unsigned( | |
4330 | &entry_node->u.ctf_expression.right, &offset); | |
4331 | if (ret) { | |
4332 | _PERROR("%s", "unexpected unary expression for clock declaration's \"offset\" attribute"); | |
4333 | ret = -EINVAL; | |
4334 | goto error; | |
4335 | } | |
4336 | ||
4337 | ret = bt_ctf_clock_set_offset(clock, offset); | |
4338 | if (ret) { | |
4339 | _PERROR("%s", "cannot set clock's offset in cycles"); | |
4340 | goto error; | |
4341 | } | |
4342 | ||
4343 | _SET(set, _CLOCK_OFFSET_SET); | |
4344 | } else if (!strcmp(left, "absolute")) { | |
4345 | struct ctf_node *right; | |
4346 | ||
4347 | if (_IS_SET(set, _CLOCK_ABSOLUTE_SET)) { | |
4348 | _PERROR_DUP_ATTR("absolute", "clock declaration"); | |
4349 | ret = -EPERM; | |
4350 | goto error; | |
4351 | } | |
4352 | ||
4353 | right = _BT_LIST_FIRST_ENTRY( | |
4354 | &entry_node->u.ctf_expression.right, | |
4355 | struct ctf_node, siblings); | |
4356 | ret = get_boolean(ctx->efd, right); | |
4357 | if (ret < 0) { | |
4358 | _PERROR("%s", "unexpected unary expression for clock declaration's \"absolute\" attribute"); | |
4359 | ret = -EINVAL; | |
4360 | goto error; | |
4361 | } | |
4362 | ||
4363 | ret = bt_ctf_clock_set_is_absolute(clock, ret); | |
4364 | if (ret) { | |
4365 | _PERROR("%s", "cannot set clock's absolute option"); | |
4366 | goto error; | |
4367 | } | |
4368 | ||
4369 | _SET(set, _CLOCK_ABSOLUTE_SET); | |
4370 | } else { | |
4371 | _PWARNING("unknown attribute \"%s\" in clock declaration", | |
4372 | left); | |
4373 | } | |
4374 | ||
4375 | g_free(left); | |
4376 | left = NULL; | |
4377 | ||
4378 | return 0; | |
4379 | ||
4380 | error: | |
4381 | g_free(left); | |
4382 | ||
4383 | return ret; | |
4384 | } | |
4385 | ||
4386 | static | |
4387 | int visit_clock_decl(struct ctx *ctx, struct ctf_node *clock_node) | |
4388 | { | |
4389 | int ret = 0; | |
4390 | int set = 0; | |
4391 | struct bt_ctf_clock *clock; | |
4392 | struct ctf_node *entry_node; | |
4393 | struct bt_list_head *decl_list = &clock_node->u.clock.declaration_list; | |
4394 | ||
4395 | if (clock_node->visited) { | |
4396 | return 0; | |
4397 | } | |
4398 | ||
4399 | clock_node->visited = TRUE; | |
2a7c77b5 | 4400 | clock = bt_ctf_clock_create(NULL); |
e98a2d6e PP |
4401 | if (!clock) { |
4402 | _PERROR("%s", "cannot create clock"); | |
4403 | ret = -ENOMEM; | |
4404 | goto error; | |
4405 | } | |
4406 | ||
4407 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
4408 | ret = visit_clock_decl_entry(ctx, entry_node, clock, &set); | |
4409 | if (ret) { | |
4410 | goto error; | |
4411 | } | |
4412 | } | |
4413 | ||
4414 | if (!_IS_SET(&set, _CLOCK_NAME_SET)) { | |
4415 | _PERROR("%s", | |
4416 | "missing \"name\" attribute in clock declaration"); | |
4417 | ret = -EPERM; | |
4418 | goto error; | |
4419 | } | |
4420 | ||
4421 | if (bt_ctf_trace_get_clock_count(ctx->trace) != 0) { | |
4422 | _PERROR("%s", "only CTF traces with a single clock declaration are supported as of this version"); | |
4423 | ret = -EINVAL; | |
4424 | goto error; | |
4425 | } | |
4426 | ||
4427 | ret = bt_ctf_trace_add_clock(ctx->trace, clock); | |
4428 | if (ret) { | |
4429 | _PERROR("%s", "cannot add clock to trace"); | |
4430 | goto error; | |
4431 | } | |
4432 | ||
4433 | error: | |
4434 | BT_PUT(clock); | |
4435 | ||
4436 | return ret; | |
4437 | } | |
4438 | ||
4439 | static | |
4440 | int visit_root_decl(struct ctx *ctx, struct ctf_node *root_decl_node) | |
4441 | { | |
4442 | int ret = 0; | |
4443 | ||
4444 | if (root_decl_node->visited) { | |
4445 | goto end; | |
4446 | } | |
4447 | ||
4448 | root_decl_node->visited = TRUE; | |
4449 | ||
4450 | switch (root_decl_node->type) { | |
4451 | case NODE_TYPEDEF: | |
4452 | ret = visit_typedef(ctx, | |
4453 | root_decl_node->u._typedef.type_specifier_list, | |
4454 | &root_decl_node->u._typedef.type_declarators); | |
4455 | if (ret) { | |
4456 | _PERROR("%s", "cannot add typedef in root scope"); | |
4457 | goto end; | |
4458 | } | |
4459 | break; | |
4460 | case NODE_TYPEALIAS: | |
4461 | ret = visit_typealias(ctx, root_decl_node->u.typealias.target, | |
4462 | root_decl_node->u.typealias.alias); | |
4463 | if (ret) { | |
4464 | _PERROR("%s", "cannot add typealias in root scope"); | |
4465 | goto end; | |
4466 | } | |
4467 | break; | |
4468 | case NODE_TYPE_SPECIFIER_LIST: | |
4469 | { | |
4470 | _BT_CTF_FIELD_TYPE_INIT(decl); | |
4471 | ||
4472 | /* | |
4473 | * Just add the type specifier to the root | |
4474 | * declaration scope. Put local reference. | |
4475 | */ | |
4476 | ret = visit_type_specifier_list(ctx, root_decl_node, &decl); | |
4477 | if (ret) { | |
4478 | assert(!decl); | |
4479 | goto end; | |
4480 | } | |
4481 | ||
4482 | BT_PUT(decl); | |
4483 | break; | |
4484 | } | |
4485 | default: | |
4486 | ret = -EPERM; | |
4487 | goto end; | |
4488 | } | |
4489 | ||
4490 | end: | |
4491 | return ret; | |
4492 | } | |
4493 | ||
4494 | static | |
4495 | int add_stream_classes_to_trace(struct ctx *ctx) | |
4496 | { | |
4497 | int ret; | |
4498 | GHashTableIter iter; | |
4499 | gpointer key, stream_class; | |
4500 | ||
4501 | g_hash_table_iter_init(&iter, ctx->stream_classes); | |
4502 | ||
4503 | while (g_hash_table_iter_next(&iter, &key, &stream_class)) { | |
4504 | ret = bt_ctf_trace_add_stream_class(ctx->trace, | |
4505 | stream_class); | |
4506 | if (ret) { | |
4507 | int64_t id = bt_ctf_stream_class_get_id(stream_class); | |
4508 | _PERROR("cannot add stream class %" PRId64 " to trace", | |
4509 | id); | |
4510 | goto end; | |
4511 | } | |
4512 | } | |
4513 | ||
4514 | end: | |
4515 | return ret; | |
4516 | } | |
4517 | ||
4518 | int ctf_visitor_generate_ir(FILE *efd, struct ctf_node *node, | |
4519 | struct bt_ctf_trace **trace) | |
4520 | { | |
4521 | int ret = 0; | |
4522 | struct ctx *ctx = NULL; | |
e98a2d6e PP |
4523 | |
4524 | printf_verbose("CTF visitor: AST -> CTF IR...\n"); | |
4525 | ||
4526 | *trace = bt_ctf_trace_create(); | |
4527 | if (!*trace) { | |
4528 | _FPERROR(efd, "%s", "cannot create trace"); | |
4529 | ret = -ENOMEM; | |
4530 | goto error; | |
4531 | } | |
4532 | ||
835b2d10 JG |
4533 | /* Set packet header to NULL to override the default one */ |
4534 | ret = bt_ctf_trace_set_packet_header_type(*trace, NULL); | |
e98a2d6e PP |
4535 | if (ret) { |
4536 | _FPERROR(efd, | |
4537 | "%s", | |
4538 | "cannot set initial, empty packet header structure"); | |
4539 | goto error; | |
4540 | } | |
4541 | ||
4542 | ctx = ctx_create(*trace, efd); | |
4543 | if (!ctx) { | |
4544 | _FPERROR(efd, "%s", "cannot create visitor context"); | |
4545 | ret = -ENOMEM; | |
4546 | goto error; | |
4547 | } | |
4548 | ||
4549 | switch (node->type) { | |
4550 | case NODE_ROOT: | |
4551 | { | |
4552 | struct ctf_node *iter; | |
4553 | int got_trace_decl = FALSE; | |
4554 | int found_callsite = FALSE; | |
4555 | ||
4556 | /* | |
4557 | * Find trace declaration's byte order first (for early | |
4558 | * type aliases). | |
4559 | */ | |
4560 | bt_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
4561 | if (got_trace_decl) { | |
4562 | _PERROR("%s", "duplicate trace declaration"); | |
4563 | goto error; | |
4564 | } | |
4565 | ||
4566 | ret = set_trace_byte_order(ctx, iter); | |
4567 | if (ret) { | |
4568 | _PERROR("cannot set trace's byte order (%d)", | |
4569 | ret); | |
4570 | goto error; | |
4571 | } | |
4572 | ||
4573 | got_trace_decl = TRUE; | |
4574 | } | |
4575 | ||
4576 | if (!got_trace_decl) { | |
4577 | _PERROR("no trace declaration found (%d)", ret); | |
4578 | ret = -EPERM; | |
4579 | goto error; | |
4580 | } | |
4581 | ||
4582 | /* | |
4583 | * Visit clocks first since any early integer can be mapped | |
4584 | * to one. | |
4585 | */ | |
4586 | bt_list_for_each_entry(iter, &node->u.root.clock, siblings) { | |
4587 | ret = visit_clock_decl(ctx, iter); | |
4588 | if (ret) { | |
4589 | _PERROR("error while visiting clock declaration (%d)", | |
4590 | ret); | |
4591 | goto error; | |
4592 | } | |
4593 | } | |
4594 | ||
4595 | /* | |
4596 | * Visit root declarations next, as they can be used by any | |
4597 | * following entity. | |
4598 | */ | |
4599 | bt_list_for_each_entry(iter, &node->u.root.declaration_list, | |
4600 | siblings) { | |
4601 | ret = visit_root_decl(ctx, iter); | |
4602 | if (ret) { | |
4603 | _PERROR("error while visiting root declaration (%d)", | |
4604 | ret); | |
4605 | goto error; | |
4606 | } | |
4607 | } | |
4608 | ||
4609 | /* Callsite are not supported */ | |
4610 | bt_list_for_each_entry(iter, &node->u.root.callsite, siblings) { | |
4611 | found_callsite = TRUE; | |
4612 | break; | |
4613 | } | |
4614 | ||
4615 | if (found_callsite) { | |
4616 | _PWARNING("%s", "\"callsite\" blocks are not supported as of this version"); | |
4617 | } | |
4618 | ||
4619 | /* Environment */ | |
4620 | bt_list_for_each_entry(iter, &node->u.root.env, siblings) { | |
4621 | ret = visit_env(ctx, iter); | |
4622 | if (ret) { | |
4623 | _PERROR("error while visiting environment block (%d)", | |
4624 | ret); | |
4625 | goto error; | |
4626 | } | |
4627 | } | |
4628 | ||
4629 | /* Trace */ | |
4630 | bt_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
4631 | ret = visit_trace_decl(ctx, iter); | |
4632 | if (ret) { | |
4633 | _PERROR("%s", "error while visiting trace declaration"); | |
4634 | goto error; | |
4635 | } | |
4636 | } | |
4637 | ||
4638 | /* Streams */ | |
4639 | bt_list_for_each_entry(iter, &node->u.root.stream, siblings) { | |
4640 | ret = visit_stream_decl(ctx, iter); | |
4641 | if (ret) { | |
4642 | _PERROR("%s", "error while visiting stream declaration"); | |
4643 | goto error; | |
4644 | } | |
4645 | } | |
4646 | ||
4647 | /* Events */ | |
4648 | bt_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
4649 | ret = visit_event_decl(ctx, iter); | |
4650 | if (ret) { | |
4651 | _PERROR("%s", "error while visiting event declaration"); | |
4652 | goto error; | |
4653 | } | |
4654 | } | |
4655 | break; | |
4656 | } | |
4657 | case NODE_UNKNOWN: | |
4658 | default: | |
4659 | _PERROR("unknown node type: %d", (int) node->type); | |
4660 | ret = -EINVAL; | |
4661 | goto error; | |
4662 | } | |
4663 | ||
4664 | /* Add stream classes to trace now */ | |
4665 | ret = add_stream_classes_to_trace(ctx); | |
4666 | if (ret) { | |
4667 | _PERROR("%s", "cannot add stream classes to trace"); | |
4668 | } | |
4669 | ||
4670 | ctx_destroy(ctx); | |
4671 | printf_verbose("done!\n"); | |
4672 | ||
4673 | return ret; | |
4674 | ||
4675 | error: | |
e98a2d6e PP |
4676 | ctx_destroy(ctx); |
4677 | BT_PUT(*trace); | |
4678 | ||
4679 | return ret; | |
4680 | } |