Commit | Line | Data |
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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 | ||
08da4f77 PP |
30 | #define BT_LOG_TAG "PLUGIN-CTF-METADATA-IR-VISITOR" |
31 | #include "logging.h" | |
32 | ||
e98a2d6e PP |
33 | #include <stdio.h> |
34 | #include <unistd.h> | |
35 | #include <string.h> | |
c55a9f58 | 36 | #include <stdbool.h> |
e98a2d6e PP |
37 | #include <stdlib.h> |
38 | #include <ctype.h> | |
f6ccaed9 | 39 | #include <babeltrace/assert-internal.h> |
e98a2d6e PP |
40 | #include <glib.h> |
41 | #include <inttypes.h> | |
42 | #include <errno.h> | |
3dca2276 | 43 | #include <babeltrace/common-internal.h> |
3d9990ac PP |
44 | #include <babeltrace/compat/uuid-internal.h> |
45 | #include <babeltrace/endian-internal.h> | |
9d408fca | 46 | #include <babeltrace/babeltrace.h> |
e98a2d6e | 47 | |
06a626b8 JG |
48 | #include "scanner.h" |
49 | #include "parser.h" | |
50 | #include "ast.h" | |
a2a54545 | 51 | #include "decoder.h" |
e98a2d6e PP |
52 | |
53 | /* Bit value (left shift) */ | |
54 | #define _BV(_val) (1 << (_val)) | |
55 | ||
56 | /* Bit is set in a set of bits */ | |
57 | #define _IS_SET(_set, _mask) (*(_set) & (_mask)) | |
58 | ||
59 | /* Set bit in a set of bits */ | |
60 | #define _SET(_set, _mask) (*(_set) |= (_mask)) | |
61 | ||
62 | /* Bits for verifying existing attributes in various declarations */ | |
63 | enum { | |
64 | _CLOCK_NAME_SET = _BV(0), | |
65 | _CLOCK_UUID_SET = _BV(1), | |
66 | _CLOCK_FREQ_SET = _BV(2), | |
67 | _CLOCK_PRECISION_SET = _BV(3), | |
68 | _CLOCK_OFFSET_S_SET = _BV(4), | |
69 | _CLOCK_OFFSET_SET = _BV(5), | |
70 | _CLOCK_ABSOLUTE_SET = _BV(6), | |
71 | _CLOCK_DESCRIPTION_SET = _BV(7), | |
72 | }; | |
73 | ||
74 | enum { | |
75 | _INTEGER_ALIGN_SET = _BV(0), | |
76 | _INTEGER_SIZE_SET = _BV(1), | |
77 | _INTEGER_BASE_SET = _BV(2), | |
78 | _INTEGER_ENCODING_SET = _BV(3), | |
79 | _INTEGER_BYTE_ORDER_SET = _BV(4), | |
80 | _INTEGER_SIGNED_SET = _BV(5), | |
81 | _INTEGER_MAP_SET = _BV(6), | |
82 | }; | |
83 | ||
84 | enum { | |
85 | _FLOAT_ALIGN_SET = _BV(0), | |
86 | _FLOAT_MANT_DIG_SET = _BV(1), | |
87 | _FLOAT_EXP_DIG_SET = _BV(2), | |
88 | _FLOAT_BYTE_ORDER_SET = _BV(3), | |
89 | }; | |
90 | ||
91 | enum { | |
92 | _STRING_ENCODING_SET = _BV(0), | |
93 | }; | |
94 | ||
95 | enum { | |
96 | _TRACE_MINOR_SET = _BV(0), | |
97 | _TRACE_MAJOR_SET = _BV(1), | |
98 | _TRACE_BYTE_ORDER_SET = _BV(2), | |
99 | _TRACE_UUID_SET = _BV(3), | |
100 | _TRACE_PACKET_HEADER_SET = _BV(4), | |
101 | }; | |
102 | ||
103 | enum { | |
104 | _STREAM_ID_SET = _BV(0), | |
105 | _STREAM_PACKET_CONTEXT_SET = _BV(1), | |
106 | _STREAM_EVENT_HEADER_SET = _BV(2), | |
107 | _STREAM_EVENT_CONTEXT_SET = _BV(3), | |
108 | }; | |
109 | ||
110 | enum { | |
111 | _EVENT_NAME_SET = _BV(0), | |
112 | _EVENT_ID_SET = _BV(1), | |
113 | _EVENT_MODEL_EMF_URI_SET = _BV(2), | |
114 | _EVENT_STREAM_ID_SET = _BV(3), | |
115 | _EVENT_LOGLEVEL_SET = _BV(4), | |
116 | _EVENT_CONTEXT_SET = _BV(5), | |
117 | _EVENT_FIELDS_SET = _BV(6), | |
118 | }; | |
119 | ||
c3c30b08 MD |
120 | enum loglevel { |
121 | LOGLEVEL_EMERG = 0, | |
122 | LOGLEVEL_ALERT = 1, | |
123 | LOGLEVEL_CRIT = 2, | |
124 | LOGLEVEL_ERR = 3, | |
125 | LOGLEVEL_WARNING = 4, | |
126 | LOGLEVEL_NOTICE = 5, | |
127 | LOGLEVEL_INFO = 6, | |
128 | LOGLEVEL_DEBUG_SYSTEM = 7, | |
129 | LOGLEVEL_DEBUG_PROGRAM = 8, | |
130 | LOGLEVEL_DEBUG_PROCESS = 9, | |
131 | LOGLEVEL_DEBUG_MODULE = 10, | |
132 | LOGLEVEL_DEBUG_UNIT = 11, | |
133 | LOGLEVEL_DEBUG_FUNCTION = 12, | |
134 | LOGLEVEL_DEBUG_LINE = 13, | |
135 | LOGLEVEL_DEBUG = 14, | |
136 | _NR_LOGLEVELS = 15, | |
137 | }; | |
138 | ||
e98a2d6e PP |
139 | /* Prefixes of type aliases */ |
140 | #define _PREFIX_ALIAS 'a' | |
141 | #define _PREFIX_ENUM 'e' | |
142 | #define _PREFIX_STRUCT 's' | |
143 | #define _PREFIX_VARIANT 'v' | |
144 | ||
145 | /* First entry in a BT list */ | |
146 | #define _BT_LIST_FIRST_ENTRY(_ptr, _type, _member) \ | |
147 | bt_list_entry((_ptr)->next, _type, _member) | |
148 | ||
50842bdc | 149 | #define _BT_FIELD_TYPE_INIT(_name) struct bt_field_type *_name = NULL; |
e98a2d6e | 150 | |
28973adf PP |
151 | #define _BT_LOGE_DUP_ATTR(_node, _attr, _entity) \ |
152 | _BT_LOGE_LINENO((_node)->lineno, \ | |
153 | "Duplicate attribute in %s: attr-name=\"%s\"", \ | |
154 | _entity, _attr) | |
155 | ||
156 | #define _BT_LOGE_NODE(_node, _msg, args...) \ | |
157 | _BT_LOGE_LINENO((_node)->lineno, _msg, ## args) | |
158 | ||
159 | #define _BT_LOGW_NODE(_node, _msg, args...) \ | |
160 | _BT_LOGW_LINENO((_node)->lineno, _msg, ## args) | |
161 | ||
162 | #define _BT_LOGV_NODE(_node, _msg, args...) \ | |
163 | _BT_LOGV_LINENO((_node)->lineno, _msg, ## args) | |
e98a2d6e PP |
164 | |
165 | /* | |
166 | * Declaration scope of a visitor context. This represents a TSDL | |
167 | * lexical scope, so that aliases and named structures, variants, | |
168 | * and enumerations may be registered and looked up hierarchically. | |
169 | */ | |
170 | struct ctx_decl_scope { | |
171 | /* | |
172 | * Alias name to field type. | |
173 | * | |
50842bdc | 174 | * GQuark -> struct bt_field_type * |
e98a2d6e PP |
175 | */ |
176 | GHashTable *decl_map; | |
177 | ||
178 | /* Parent scope; NULL if this is the root declaration scope */ | |
179 | struct ctx_decl_scope *parent_scope; | |
180 | }; | |
181 | ||
182 | /* | |
1e649dff | 183 | * Visitor context (private). |
e98a2d6e PP |
184 | */ |
185 | struct ctx { | |
1e649dff | 186 | /* Trace being filled (owned by this) */ |
50842bdc | 187 | struct bt_trace *trace; |
e98a2d6e | 188 | |
e98a2d6e PP |
189 | /* Current declaration scope (top of the stack) */ |
190 | struct ctx_decl_scope *current_scope; | |
191 | ||
192 | /* 1 if trace declaration is visited */ | |
193 | int is_trace_visited; | |
194 | ||
f4421ff3 PP |
195 | /* 1 if this is an LTTng trace */ |
196 | bool is_lttng; | |
197 | ||
91fd6f6a PP |
198 | /* Eventual name suffix of the trace to set */ |
199 | char *trace_name_suffix; | |
200 | ||
e98a2d6e | 201 | /* Trace attributes */ |
50842bdc | 202 | enum bt_byte_order trace_bo; |
e98a2d6e PP |
203 | uint64_t trace_major; |
204 | uint64_t trace_minor; | |
205 | unsigned char trace_uuid[BABELTRACE_UUID_LEN]; | |
206 | ||
207 | /* | |
208 | * Stream IDs to stream classes. | |
209 | * | |
50842bdc | 210 | * int64_t -> struct bt_stream_class * |
e98a2d6e PP |
211 | */ |
212 | GHashTable *stream_classes; | |
a2a54545 PP |
213 | |
214 | /* Config passed by the user */ | |
215 | struct ctf_metadata_decoder_config decoder_config; | |
e98a2d6e PP |
216 | }; |
217 | ||
1e649dff PP |
218 | /* |
219 | * Visitor (public). | |
220 | */ | |
221 | struct ctf_visitor_generate_ir { }; | |
222 | ||
e98a2d6e PP |
223 | /** |
224 | * Creates a new declaration scope. | |
225 | * | |
226 | * @param par_scope Parent scope (NULL if creating a root scope) | |
227 | * @returns New declaration scope, or NULL on error | |
228 | */ | |
229 | static | |
230 | struct ctx_decl_scope *ctx_decl_scope_create(struct ctx_decl_scope *par_scope) | |
231 | { | |
232 | struct ctx_decl_scope *scope; | |
233 | ||
234 | scope = g_new(struct ctx_decl_scope, 1); | |
235 | if (!scope) { | |
28973adf | 236 | BT_LOGE_STR("Failed to allocate one declaration scope."); |
e98a2d6e PP |
237 | goto end; |
238 | } | |
239 | ||
240 | scope->decl_map = g_hash_table_new_full(g_direct_hash, g_direct_equal, | |
50842bdc | 241 | NULL, (GDestroyNotify) bt_put); |
e98a2d6e PP |
242 | scope->parent_scope = par_scope; |
243 | ||
244 | end: | |
245 | return scope; | |
246 | } | |
247 | ||
248 | /** | |
249 | * Destroys a declaration scope. | |
250 | * | |
251 | * This function does not destroy the parent scope. | |
252 | * | |
253 | * @param scope Scope to destroy | |
254 | */ | |
255 | static | |
256 | void ctx_decl_scope_destroy(struct ctx_decl_scope *scope) | |
257 | { | |
258 | if (!scope) { | |
259 | goto end; | |
260 | } | |
261 | ||
262 | g_hash_table_destroy(scope->decl_map); | |
263 | g_free(scope); | |
264 | ||
265 | end: | |
266 | return; | |
267 | } | |
268 | ||
269 | /** | |
270 | * Returns the GQuark of a prefixed alias. | |
271 | * | |
272 | * @param prefix Prefix character | |
273 | * @param name Name | |
274 | * @returns Associated GQuark, or 0 on error | |
275 | */ | |
276 | static | |
277 | GQuark get_prefixed_named_quark(char prefix, const char *name) | |
278 | { | |
279 | GQuark qname = 0; | |
280 | ||
f6ccaed9 | 281 | BT_ASSERT(name); |
e98a2d6e PP |
282 | |
283 | /* Prefix character + original string + '\0' */ | |
284 | char *prname = g_new(char, strlen(name) + 2); | |
285 | if (!prname) { | |
28973adf | 286 | BT_LOGE_STR("Failed to allocate a string."); |
e98a2d6e PP |
287 | goto end; |
288 | } | |
289 | ||
290 | sprintf(prname, "%c%s", prefix, name); | |
291 | qname = g_quark_from_string(prname); | |
292 | g_free(prname); | |
293 | ||
294 | end: | |
295 | return qname; | |
296 | } | |
297 | ||
298 | /** | |
299 | * Looks up a prefixed type alias within a declaration scope. | |
300 | * | |
301 | * @param scope Declaration scope | |
302 | * @param prefix Prefix character | |
303 | * @param name Alias name | |
304 | * @param level Number of levels to dig (-1 means infinite) | |
305 | * @returns Declaration, or NULL if not found | |
306 | */ | |
307 | static | |
50842bdc | 308 | struct bt_field_type *ctx_decl_scope_lookup_prefix_alias( |
e98a2d6e PP |
309 | struct ctx_decl_scope *scope, char prefix, |
310 | const char *name, int levels) | |
311 | { | |
312 | GQuark qname = 0; | |
313 | int cur_levels = 0; | |
50842bdc | 314 | _BT_FIELD_TYPE_INIT(decl); |
e98a2d6e PP |
315 | struct ctx_decl_scope *cur_scope = scope; |
316 | ||
f6ccaed9 PP |
317 | BT_ASSERT(scope); |
318 | BT_ASSERT(name); | |
e98a2d6e PP |
319 | qname = get_prefixed_named_quark(prefix, name); |
320 | if (!qname) { | |
321 | goto error; | |
322 | } | |
323 | ||
324 | if (levels < 0) { | |
325 | levels = INT_MAX; | |
326 | } | |
327 | ||
328 | while (cur_scope && cur_levels < levels) { | |
329 | decl = g_hash_table_lookup(cur_scope->decl_map, | |
71c7c95f | 330 | (gconstpointer) GUINT_TO_POINTER(qname)); |
e98a2d6e PP |
331 | if (decl) { |
332 | /* Caller's reference */ | |
333 | bt_get(decl); | |
334 | break; | |
335 | } | |
336 | ||
337 | cur_scope = cur_scope->parent_scope; | |
338 | cur_levels++; | |
339 | } | |
340 | ||
341 | return decl; | |
342 | ||
343 | error: | |
344 | return NULL; | |
345 | } | |
346 | ||
347 | /** | |
348 | * Looks up a type alias within a declaration scope. | |
349 | * | |
350 | * @param scope Declaration scope | |
351 | * @param name Alias name | |
352 | * @param level Number of levels to dig (-1 means infinite) | |
353 | * @returns Declaration, or NULL if not found | |
354 | */ | |
355 | static | |
50842bdc | 356 | struct bt_field_type *ctx_decl_scope_lookup_alias( |
e98a2d6e PP |
357 | struct ctx_decl_scope *scope, const char *name, int levels) |
358 | { | |
359 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_ALIAS, | |
360 | name, levels); | |
361 | } | |
362 | ||
363 | /** | |
364 | * Looks up an enumeration within a declaration scope. | |
365 | * | |
366 | * @param scope Declaration scope | |
367 | * @param name Enumeration name | |
368 | * @param level Number of levels to dig (-1 means infinite) | |
369 | * @returns Declaration, or NULL if not found | |
370 | */ | |
371 | static | |
50842bdc | 372 | struct bt_field_type *ctx_decl_scope_lookup_enum( |
e98a2d6e PP |
373 | struct ctx_decl_scope *scope, const char *name, int levels) |
374 | { | |
375 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_ENUM, | |
376 | name, levels); | |
377 | } | |
378 | ||
379 | /** | |
380 | * Looks up a structure within a declaration scope. | |
381 | * | |
382 | * @param scope Declaration scope | |
383 | * @param name Structure name | |
384 | * @param level Number of levels to dig (-1 means infinite) | |
385 | * @returns Declaration, or NULL if not found | |
386 | */ | |
387 | static | |
50842bdc | 388 | struct bt_field_type *ctx_decl_scope_lookup_struct( |
e98a2d6e PP |
389 | struct ctx_decl_scope *scope, const char *name, int levels) |
390 | { | |
391 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_STRUCT, | |
392 | name, levels); | |
393 | } | |
394 | ||
395 | /** | |
396 | * Looks up a variant within a declaration scope. | |
397 | * | |
398 | * @param scope Declaration scope | |
399 | * @param name Variant name | |
400 | * @param level Number of levels to dig (-1 means infinite) | |
401 | * @returns Declaration, or NULL if not found | |
402 | */ | |
403 | static | |
50842bdc | 404 | struct bt_field_type *ctx_decl_scope_lookup_variant( |
e98a2d6e PP |
405 | struct ctx_decl_scope *scope, const char *name, int levels) |
406 | { | |
407 | return ctx_decl_scope_lookup_prefix_alias(scope, _PREFIX_VARIANT, | |
408 | name, levels); | |
409 | } | |
410 | ||
411 | /** | |
412 | * Registers a prefixed type alias within a declaration scope. | |
413 | * | |
414 | * @param scope Declaration scope | |
415 | * @param prefix Prefix character | |
416 | * @param name Alias name (non-NULL) | |
417 | * @param decl Declaration to register | |
418 | * @returns 0 if registration went okay, negative value otherwise | |
419 | */ | |
420 | static | |
421 | int ctx_decl_scope_register_prefix_alias(struct ctx_decl_scope *scope, | |
50842bdc | 422 | char prefix, const char *name, struct bt_field_type *decl) |
e98a2d6e PP |
423 | { |
424 | int ret = 0; | |
425 | GQuark qname = 0; | |
50842bdc | 426 | _BT_FIELD_TYPE_INIT(edecl); |
e98a2d6e | 427 | |
f6ccaed9 PP |
428 | BT_ASSERT(scope); |
429 | BT_ASSERT(name); | |
430 | BT_ASSERT(decl); | |
e98a2d6e PP |
431 | qname = get_prefixed_named_quark(prefix, name); |
432 | if (!qname) { | |
433 | ret = -ENOMEM; | |
434 | goto error; | |
435 | } | |
436 | ||
437 | /* Make sure alias does not exist in local scope */ | |
438 | edecl = ctx_decl_scope_lookup_prefix_alias(scope, prefix, name, 1); | |
439 | if (edecl) { | |
440 | BT_PUT(edecl); | |
441 | ret = -EEXIST; | |
442 | goto error; | |
443 | } | |
444 | ||
445 | g_hash_table_insert(scope->decl_map, | |
71c7c95f | 446 | GUINT_TO_POINTER(qname), decl); |
e98a2d6e PP |
447 | |
448 | /* Hash table's reference */ | |
449 | bt_get(decl); | |
450 | ||
451 | return 0; | |
452 | ||
453 | error: | |
454 | return ret; | |
455 | } | |
456 | ||
457 | /** | |
458 | * Registers a type alias within a declaration scope. | |
459 | * | |
460 | * @param scope Declaration scope | |
461 | * @param name Alias name (non-NULL) | |
462 | * @param decl Declaration to register | |
463 | * @returns 0 if registration went okay, negative value otherwise | |
464 | */ | |
465 | static | |
466 | int ctx_decl_scope_register_alias(struct ctx_decl_scope *scope, | |
50842bdc | 467 | const char *name, struct bt_field_type *decl) |
e98a2d6e PP |
468 | { |
469 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_ALIAS, | |
470 | name, decl); | |
471 | } | |
472 | ||
473 | /** | |
474 | * Registers an enumeration declaration within a declaration scope. | |
475 | * | |
476 | * @param scope Declaration scope | |
477 | * @param name Enumeration name (non-NULL) | |
478 | * @param decl Enumeration declaration to register | |
479 | * @returns 0 if registration went okay, negative value otherwise | |
480 | */ | |
481 | static | |
482 | int ctx_decl_scope_register_enum(struct ctx_decl_scope *scope, | |
50842bdc | 483 | const char *name, struct bt_field_type *decl) |
e98a2d6e PP |
484 | { |
485 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_ENUM, | |
486 | name, decl); | |
487 | } | |
488 | ||
489 | /** | |
490 | * Registers a structure declaration within a declaration scope. | |
491 | * | |
492 | * @param scope Declaration scope | |
493 | * @param name Structure name (non-NULL) | |
494 | * @param decl Structure declaration to register | |
495 | * @returns 0 if registration went okay, negative value otherwise | |
496 | */ | |
497 | static | |
498 | int ctx_decl_scope_register_struct(struct ctx_decl_scope *scope, | |
50842bdc | 499 | const char *name, struct bt_field_type *decl) |
e98a2d6e PP |
500 | { |
501 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_STRUCT, | |
502 | name, decl); | |
503 | } | |
504 | ||
505 | /** | |
506 | * Registers a variant declaration within a declaration scope. | |
507 | * | |
508 | * @param scope Declaration scope | |
509 | * @param name Variant name (non-NULL) | |
510 | * @param decl Variant declaration to register | |
511 | * @returns 0 if registration went okay, negative value otherwise | |
512 | */ | |
513 | static | |
514 | int ctx_decl_scope_register_variant(struct ctx_decl_scope *scope, | |
50842bdc | 515 | const char *name, struct bt_field_type *decl) |
e98a2d6e PP |
516 | { |
517 | return ctx_decl_scope_register_prefix_alias(scope, _PREFIX_VARIANT, | |
518 | name, decl); | |
519 | } | |
520 | ||
91fd6f6a PP |
521 | /** |
522 | * Destroys a visitor context. | |
523 | * | |
524 | * @param ctx Visitor context to destroy | |
525 | */ | |
526 | static | |
527 | void ctx_destroy(struct ctx *ctx) | |
528 | { | |
529 | struct ctx_decl_scope *scope; | |
530 | /* | |
531 | * Destroy all scopes, from current one to the root scope. | |
532 | */ | |
533 | ||
534 | if (!ctx) { | |
535 | goto end; | |
536 | } | |
537 | ||
538 | scope = ctx->current_scope; | |
539 | ||
540 | while (scope) { | |
541 | struct ctx_decl_scope *parent_scope = scope->parent_scope; | |
542 | ||
543 | ctx_decl_scope_destroy(scope); | |
544 | scope = parent_scope; | |
545 | } | |
546 | ||
547 | bt_put(ctx->trace); | |
548 | ||
549 | if (ctx->stream_classes) { | |
550 | g_hash_table_destroy(ctx->stream_classes); | |
551 | } | |
552 | ||
553 | free(ctx->trace_name_suffix); | |
554 | g_free(ctx); | |
555 | ||
556 | end: | |
557 | return; | |
558 | } | |
559 | ||
e98a2d6e PP |
560 | /** |
561 | * Creates a new visitor context. | |
562 | * | |
563 | * @param trace Associated trace | |
e98a2d6e PP |
564 | * @returns New visitor context, or NULL on error |
565 | */ | |
566 | static | |
50842bdc | 567 | struct ctx *ctx_create(struct bt_trace *trace, |
a2a54545 PP |
568 | const struct ctf_metadata_decoder_config *decoder_config, |
569 | const char *trace_name_suffix) | |
e98a2d6e PP |
570 | { |
571 | struct ctx *ctx = NULL; | |
572 | struct ctx_decl_scope *scope = NULL; | |
573 | ||
f6ccaed9 | 574 | BT_ASSERT(decoder_config); |
a2a54545 | 575 | |
1e649dff | 576 | ctx = g_new0(struct ctx, 1); |
e98a2d6e | 577 | if (!ctx) { |
28973adf | 578 | BT_LOGE_STR("Failed to allocate one visitor context."); |
e98a2d6e PP |
579 | goto error; |
580 | } | |
581 | ||
582 | /* Root declaration scope */ | |
583 | scope = ctx_decl_scope_create(NULL); | |
584 | if (!scope) { | |
28973adf | 585 | BT_LOGE_STR("Cannot create declaration scope."); |
e98a2d6e PP |
586 | goto error; |
587 | } | |
588 | ||
942c0e8f MJ |
589 | ctx->stream_classes = g_hash_table_new_full(g_int64_hash, |
590 | g_int64_equal, g_free, (GDestroyNotify) bt_put); | |
e98a2d6e | 591 | if (!ctx->stream_classes) { |
28973adf | 592 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
e98a2d6e PP |
593 | goto error; |
594 | } | |
595 | ||
91fd6f6a PP |
596 | if (trace_name_suffix) { |
597 | ctx->trace_name_suffix = strdup(trace_name_suffix); | |
598 | if (!ctx->trace_name_suffix) { | |
28973adf | 599 | BT_LOGE_STR("Failed to copy string."); |
91fd6f6a PP |
600 | goto error; |
601 | } | |
602 | } | |
603 | ||
e98a2d6e | 604 | ctx->trace = trace; |
e98a2d6e | 605 | ctx->current_scope = scope; |
91fd6f6a | 606 | scope = NULL; |
50842bdc | 607 | ctx->trace_bo = BT_BYTE_ORDER_NATIVE; |
a2a54545 | 608 | ctx->decoder_config = *decoder_config; |
e98a2d6e PP |
609 | return ctx; |
610 | ||
611 | error: | |
91fd6f6a | 612 | ctx_destroy(ctx); |
e98a2d6e | 613 | ctx_decl_scope_destroy(scope); |
e98a2d6e PP |
614 | return NULL; |
615 | } | |
616 | ||
e98a2d6e PP |
617 | /** |
618 | * Pushes a new declaration scope on top of a visitor context's | |
619 | * declaration scope stack. | |
620 | * | |
621 | * @param ctx Visitor context | |
622 | * @returns 0 on success, or a negative value on error | |
623 | */ | |
624 | static | |
625 | int ctx_push_scope(struct ctx *ctx) | |
626 | { | |
627 | int ret = 0; | |
628 | struct ctx_decl_scope *new_scope; | |
629 | ||
f6ccaed9 | 630 | BT_ASSERT(ctx); |
e98a2d6e PP |
631 | new_scope = ctx_decl_scope_create(ctx->current_scope); |
632 | if (!new_scope) { | |
28973adf | 633 | BT_LOGE_STR("Cannot create declaration scope."); |
e98a2d6e PP |
634 | ret = -ENOMEM; |
635 | goto end; | |
636 | } | |
637 | ||
638 | ctx->current_scope = new_scope; | |
639 | ||
640 | end: | |
641 | return ret; | |
642 | } | |
643 | ||
644 | static | |
645 | void ctx_pop_scope(struct ctx *ctx) | |
646 | { | |
647 | struct ctx_decl_scope *parent_scope = NULL; | |
648 | ||
f6ccaed9 | 649 | BT_ASSERT(ctx); |
e98a2d6e PP |
650 | |
651 | if (!ctx->current_scope) { | |
652 | goto end; | |
653 | } | |
654 | ||
655 | parent_scope = ctx->current_scope->parent_scope; | |
656 | ctx_decl_scope_destroy(ctx->current_scope); | |
657 | ctx->current_scope = parent_scope; | |
658 | ||
659 | end: | |
660 | return; | |
661 | } | |
662 | ||
663 | static | |
664 | int visit_type_specifier_list(struct ctx *ctx, struct ctf_node *ts_list, | |
50842bdc | 665 | struct bt_field_type **decl); |
e98a2d6e | 666 | |
6acddae3 PP |
667 | static |
668 | char *remove_underscores_from_field_ref(const char *field_ref) | |
669 | { | |
670 | const char *in_ch; | |
671 | char *out_ch; | |
672 | char *ret; | |
673 | enum { | |
674 | UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE, | |
675 | UNDERSCORE_REMOVE_STATE_DO_NOT_REMOVE_NEXT_UNDERSCORE, | |
676 | } state = UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE; | |
677 | ||
f6ccaed9 | 678 | BT_ASSERT(field_ref); |
6acddae3 PP |
679 | ret = calloc(strlen(field_ref) + 1, 1); |
680 | if (!ret) { | |
681 | BT_LOGE("Failed to allocate a string: size=%zu", | |
682 | strlen(field_ref) + 1); | |
683 | goto end; | |
684 | } | |
685 | ||
686 | in_ch = field_ref; | |
687 | out_ch = ret; | |
688 | ||
689 | while (*in_ch != '\0') { | |
690 | switch (*in_ch) { | |
691 | case ' ': | |
692 | case '\t': | |
693 | /* Remove whitespace */ | |
694 | in_ch++; | |
695 | continue; | |
696 | case '_': | |
697 | if (state == UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE) { | |
698 | in_ch++; | |
699 | state = UNDERSCORE_REMOVE_STATE_DO_NOT_REMOVE_NEXT_UNDERSCORE; | |
700 | continue; | |
701 | } | |
702 | ||
703 | goto copy; | |
704 | case '.': | |
705 | state = UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE; | |
706 | goto copy; | |
707 | default: | |
708 | state = UNDERSCORE_REMOVE_STATE_DO_NOT_REMOVE_NEXT_UNDERSCORE; | |
709 | goto copy; | |
710 | } | |
711 | ||
712 | copy: | |
713 | *out_ch = *in_ch; | |
714 | in_ch++; | |
715 | out_ch++; | |
716 | } | |
717 | ||
718 | end: | |
719 | return ret; | |
720 | } | |
721 | ||
e98a2d6e PP |
722 | static |
723 | int is_unary_string(struct bt_list_head *head) | |
724 | { | |
725 | int ret = TRUE; | |
726 | struct ctf_node *node; | |
727 | ||
728 | bt_list_for_each_entry(node, head, siblings) { | |
729 | if (node->type != NODE_UNARY_EXPRESSION) { | |
730 | ret = FALSE; | |
731 | } | |
732 | ||
733 | if (node->u.unary_expression.type != UNARY_STRING) { | |
734 | ret = FALSE; | |
735 | } | |
736 | } | |
737 | ||
738 | return ret; | |
739 | } | |
740 | ||
741 | static | |
742 | char *concatenate_unary_strings(struct bt_list_head *head) | |
743 | { | |
744 | int i = 0; | |
745 | GString *str; | |
746 | struct ctf_node *node; | |
747 | ||
748 | str = g_string_new(NULL); | |
f6ccaed9 | 749 | BT_ASSERT(str); |
e98a2d6e PP |
750 | |
751 | bt_list_for_each_entry(node, head, siblings) { | |
752 | char *src_string; | |
753 | ||
754 | if ( | |
755 | node->type != NODE_UNARY_EXPRESSION || | |
756 | node->u.unary_expression.type != UNARY_STRING || | |
757 | !( | |
758 | ( | |
759 | node->u.unary_expression.link != | |
760 | UNARY_LINK_UNKNOWN | |
761 | ) ^ (i == 0) | |
762 | ) | |
763 | ) { | |
764 | goto error; | |
765 | } | |
766 | ||
767 | switch (node->u.unary_expression.link) { | |
768 | case UNARY_DOTLINK: | |
769 | g_string_append(str, "."); | |
770 | break; | |
771 | case UNARY_ARROWLINK: | |
772 | g_string_append(str, "->"); | |
773 | break; | |
774 | case UNARY_DOTDOTDOT: | |
775 | g_string_append(str, "..."); | |
776 | break; | |
777 | default: | |
778 | break; | |
779 | } | |
780 | ||
781 | src_string = node->u.unary_expression.u.string; | |
782 | g_string_append(str, src_string); | |
783 | i++; | |
784 | } | |
785 | ||
786 | /* Destroys the container, returns the underlying string */ | |
787 | return g_string_free(str, FALSE); | |
788 | ||
789 | error: | |
790 | /* This always returns NULL */ | |
791 | return g_string_free(str, TRUE); | |
792 | } | |
793 | ||
794 | static | |
795 | const char *get_map_clock_name_value(struct bt_list_head *head) | |
796 | { | |
797 | int i = 0; | |
798 | struct ctf_node *node; | |
799 | const char *name = NULL; | |
800 | ||
801 | bt_list_for_each_entry(node, head, siblings) { | |
802 | char *src_string; | |
803 | int uexpr_type = node->u.unary_expression.type; | |
804 | int uexpr_link = node->u.unary_expression.link; | |
805 | int cond = node->type != NODE_UNARY_EXPRESSION || | |
806 | uexpr_type != UNARY_STRING || | |
807 | !((uexpr_link != UNARY_LINK_UNKNOWN) ^ (i == 0)); | |
808 | if (cond) { | |
809 | goto error; | |
810 | } | |
811 | ||
812 | /* Needs to be chained with . */ | |
813 | switch (node->u.unary_expression.link) { | |
814 | case UNARY_DOTLINK: | |
815 | break; | |
816 | case UNARY_ARROWLINK: | |
817 | case UNARY_DOTDOTDOT: | |
818 | goto error; | |
819 | default: | |
820 | break; | |
821 | } | |
822 | ||
823 | src_string = node->u.unary_expression.u.string; | |
824 | ||
825 | switch (i) { | |
826 | case 0: | |
827 | if (strcmp("clock", src_string)) { | |
828 | goto error; | |
829 | } | |
830 | break; | |
831 | case 1: | |
832 | name = src_string; | |
833 | break; | |
834 | case 2: | |
835 | if (strcmp("value", src_string)) { | |
836 | goto error; | |
837 | } | |
838 | break; | |
839 | default: | |
840 | /* Extra identifier, unknown */ | |
841 | goto error; | |
842 | } | |
843 | ||
844 | i++; | |
845 | } | |
846 | ||
847 | return name; | |
848 | ||
849 | error: | |
850 | return NULL; | |
851 | } | |
852 | ||
853 | static | |
854 | int is_unary_unsigned(struct bt_list_head *head) | |
855 | { | |
856 | int ret = TRUE; | |
857 | struct ctf_node *node; | |
858 | ||
859 | bt_list_for_each_entry(node, head, siblings) { | |
860 | if (node->type != NODE_UNARY_EXPRESSION) { | |
861 | ret = FALSE; | |
862 | } | |
863 | ||
864 | if (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
865 | ret = FALSE; | |
866 | } | |
867 | } | |
868 | ||
869 | return ret; | |
870 | } | |
871 | ||
872 | static | |
873 | int get_unary_unsigned(struct bt_list_head *head, uint64_t *value) | |
874 | { | |
875 | int i = 0; | |
876 | int ret = 0; | |
877 | struct ctf_node *node; | |
878 | ||
e22b45d0 PP |
879 | *value = 0; |
880 | ||
d82c602e JG |
881 | if (bt_list_empty(head)) { |
882 | ret = -1; | |
883 | goto end; | |
884 | } | |
885 | ||
e98a2d6e PP |
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_link != UNARY_LINK_UNKNOWN || i != 0; | |
892 | if (cond) { | |
28973adf | 893 | _BT_LOGE_NODE(node, "Invalid constant unsigned integer."); |
e98a2d6e PP |
894 | ret = -EINVAL; |
895 | goto end; | |
896 | } | |
897 | ||
898 | *value = node->u.unary_expression.u.unsigned_constant; | |
899 | i++; | |
900 | } | |
901 | ||
902 | end: | |
903 | return ret; | |
904 | } | |
905 | ||
906 | static | |
907 | int is_unary_signed(struct bt_list_head *head) | |
908 | { | |
909 | int ret = TRUE; | |
910 | struct ctf_node *node; | |
911 | ||
912 | bt_list_for_each_entry(node, head, siblings) { | |
913 | if (node->type != NODE_UNARY_EXPRESSION) { | |
914 | ret = FALSE; | |
915 | } | |
916 | ||
917 | if (node->u.unary_expression.type != UNARY_SIGNED_CONSTANT) { | |
918 | ret = FALSE; | |
919 | } | |
920 | } | |
921 | ||
922 | return ret; | |
923 | } | |
924 | ||
925 | static | |
926 | int get_unary_signed(struct bt_list_head *head, int64_t *value) | |
927 | { | |
928 | int i = 0; | |
929 | int ret = 0; | |
930 | struct ctf_node *node; | |
931 | ||
932 | bt_list_for_each_entry(node, head, siblings) { | |
933 | int uexpr_type = node->u.unary_expression.type; | |
934 | int uexpr_link = node->u.unary_expression.link; | |
935 | int cond = node->type != NODE_UNARY_EXPRESSION || | |
e98a2d6e PP |
936 | (uexpr_type != UNARY_UNSIGNED_CONSTANT && |
937 | uexpr_type != UNARY_SIGNED_CONSTANT) || | |
938 | uexpr_link != UNARY_LINK_UNKNOWN || i != 0; | |
939 | if (cond) { | |
940 | ret = -EINVAL; | |
941 | goto end; | |
942 | } | |
943 | ||
fb4ac437 | 944 | switch (uexpr_type) { |
e98a2d6e PP |
945 | case UNARY_UNSIGNED_CONSTANT: |
946 | *value = (int64_t) | |
947 | node->u.unary_expression.u.unsigned_constant; | |
948 | break; | |
949 | case UNARY_SIGNED_CONSTANT: | |
950 | *value = node->u.unary_expression.u.signed_constant; | |
951 | break; | |
952 | default: | |
953 | ret = -EINVAL; | |
954 | goto end; | |
955 | } | |
956 | ||
957 | i++; | |
958 | } | |
959 | ||
960 | end: | |
961 | return ret; | |
962 | } | |
963 | ||
964 | static | |
965 | int get_unary_uuid(struct bt_list_head *head, unsigned char *uuid) | |
966 | { | |
967 | int i = 0; | |
968 | int ret = 0; | |
969 | struct ctf_node *node; | |
970 | ||
971 | bt_list_for_each_entry(node, head, siblings) { | |
972 | int uexpr_type = node->u.unary_expression.type; | |
973 | int uexpr_link = node->u.unary_expression.link; | |
974 | const char *src_string; | |
975 | ||
976 | if (node->type != NODE_UNARY_EXPRESSION || | |
977 | uexpr_type != UNARY_STRING || | |
978 | uexpr_link != UNARY_LINK_UNKNOWN || | |
979 | i != 0) { | |
980 | ret = -EINVAL; | |
981 | goto end; | |
982 | } | |
983 | ||
984 | src_string = node->u.unary_expression.u.string; | |
985 | ret = bt_uuid_parse(src_string, uuid); | |
986 | if (ret) { | |
28973adf PP |
987 | _BT_LOGE_NODE(node, |
988 | "Cannot parse UUID: uuid=\"%s\"", src_string); | |
e98a2d6e PP |
989 | goto end; |
990 | } | |
991 | } | |
992 | ||
993 | end: | |
994 | return ret; | |
995 | } | |
996 | ||
997 | static | |
55314f2a | 998 | int get_boolean(struct ctf_node *unary_expr) |
e98a2d6e PP |
999 | { |
1000 | int ret = 0; | |
1001 | ||
1002 | if (unary_expr->type != NODE_UNARY_EXPRESSION) { | |
28973adf PP |
1003 | _BT_LOGE_NODE(unary_expr, |
1004 | "Expecting unary expression: node-type=%d", | |
08da4f77 | 1005 | unary_expr->type); |
e98a2d6e PP |
1006 | ret = -EINVAL; |
1007 | goto end; | |
1008 | } | |
1009 | ||
1010 | switch (unary_expr->u.unary_expression.type) { | |
1011 | case UNARY_UNSIGNED_CONSTANT: | |
1012 | ret = (unary_expr->u.unary_expression.u.unsigned_constant != 0); | |
1013 | break; | |
1014 | case UNARY_SIGNED_CONSTANT: | |
1015 | ret = (unary_expr->u.unary_expression.u.signed_constant != 0); | |
1016 | break; | |
1017 | case UNARY_STRING: | |
1018 | { | |
1019 | const char *str = unary_expr->u.unary_expression.u.string; | |
1020 | ||
1021 | if (!strcmp(str, "true") || !strcmp(str, "TRUE")) { | |
1022 | ret = TRUE; | |
1023 | } else if (!strcmp(str, "false") || !strcmp(str, "FALSE")) { | |
1024 | ret = FALSE; | |
1025 | } else { | |
28973adf PP |
1026 | _BT_LOGE_NODE(unary_expr, |
1027 | "Unexpected boolean value: value=\"%s\"", str); | |
e98a2d6e PP |
1028 | ret = -EINVAL; |
1029 | goto end; | |
1030 | } | |
1031 | break; | |
1032 | } | |
1033 | default: | |
28973adf PP |
1034 | _BT_LOGE_NODE(unary_expr, |
1035 | "Unexpected unary expression type: node-type=%d", | |
08da4f77 | 1036 | unary_expr->u.unary_expression.type); |
e98a2d6e PP |
1037 | ret = -EINVAL; |
1038 | goto end; | |
1039 | } | |
1040 | ||
1041 | end: | |
1042 | return ret; | |
1043 | } | |
1044 | ||
1045 | static | |
50842bdc | 1046 | enum bt_byte_order byte_order_from_unary_expr(struct ctf_node *unary_expr) |
e98a2d6e PP |
1047 | { |
1048 | const char *str; | |
50842bdc | 1049 | enum bt_byte_order bo = BT_BYTE_ORDER_UNKNOWN; |
e98a2d6e PP |
1050 | |
1051 | if (unary_expr->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
1052 | _BT_LOGE_NODE(unary_expr, |
1053 | "\"byte_order\" attribute: expecting `be`, `le`, `network`, or `native`."); | |
e98a2d6e PP |
1054 | goto end; |
1055 | } | |
1056 | ||
1057 | str = unary_expr->u.unary_expression.u.string; | |
1058 | ||
1059 | if (!strcmp(str, "be") || !strcmp(str, "network")) { | |
50842bdc | 1060 | bo = BT_BYTE_ORDER_BIG_ENDIAN; |
e98a2d6e | 1061 | } else if (!strcmp(str, "le")) { |
50842bdc | 1062 | bo = BT_BYTE_ORDER_LITTLE_ENDIAN; |
e98a2d6e | 1063 | } else if (!strcmp(str, "native")) { |
50842bdc | 1064 | bo = BT_BYTE_ORDER_NATIVE; |
e98a2d6e | 1065 | } else { |
28973adf PP |
1066 | _BT_LOGE_NODE(unary_expr, |
1067 | "Unexpected \"byte_order\" attribute value: " | |
08da4f77 | 1068 | "expecting `be`, `le`, `network`, or `native`: value=\"%s\"", |
e98a2d6e PP |
1069 | str); |
1070 | goto end; | |
1071 | } | |
1072 | ||
1073 | end: | |
1074 | return bo; | |
1075 | } | |
1076 | ||
1077 | static | |
50842bdc | 1078 | enum bt_byte_order get_real_byte_order(struct ctx *ctx, |
e98a2d6e PP |
1079 | struct ctf_node *uexpr) |
1080 | { | |
50842bdc | 1081 | enum bt_byte_order bo = byte_order_from_unary_expr(uexpr); |
e98a2d6e | 1082 | |
50842bdc PP |
1083 | if (bo == BT_BYTE_ORDER_NATIVE) { |
1084 | bo = bt_trace_get_native_byte_order(ctx->trace); | |
e98a2d6e PP |
1085 | } |
1086 | ||
1087 | return bo; | |
1088 | } | |
1089 | ||
1090 | static | |
1091 | int is_align_valid(uint64_t align) | |
1092 | { | |
9a75ec7b | 1093 | return (align != 0) && !(align & (align - 1ULL)); |
e98a2d6e PP |
1094 | } |
1095 | ||
1096 | static | |
1097 | int get_type_specifier_name(struct ctx *ctx, struct ctf_node *type_specifier, | |
1098 | GString *str) | |
1099 | { | |
1100 | int ret = 0; | |
1101 | ||
1102 | if (type_specifier->type != NODE_TYPE_SPECIFIER) { | |
28973adf PP |
1103 | _BT_LOGE_NODE(type_specifier, |
1104 | "Unexpected node type: node-type=%d", | |
1105 | type_specifier->type); | |
e98a2d6e PP |
1106 | ret = -EINVAL; |
1107 | goto end; | |
1108 | } | |
1109 | ||
1110 | switch (type_specifier->u.type_specifier.type) { | |
1111 | case TYPESPEC_VOID: | |
1112 | g_string_append(str, "void"); | |
1113 | break; | |
1114 | case TYPESPEC_CHAR: | |
1115 | g_string_append(str, "char"); | |
1116 | break; | |
1117 | case TYPESPEC_SHORT: | |
1118 | g_string_append(str, "short"); | |
1119 | break; | |
1120 | case TYPESPEC_INT: | |
1121 | g_string_append(str, "int"); | |
1122 | break; | |
1123 | case TYPESPEC_LONG: | |
1124 | g_string_append(str, "long"); | |
1125 | break; | |
1126 | case TYPESPEC_FLOAT: | |
1127 | g_string_append(str, "float"); | |
1128 | break; | |
1129 | case TYPESPEC_DOUBLE: | |
1130 | g_string_append(str, "double"); | |
1131 | break; | |
1132 | case TYPESPEC_SIGNED: | |
1133 | g_string_append(str, "signed"); | |
1134 | break; | |
1135 | case TYPESPEC_UNSIGNED: | |
1136 | g_string_append(str, "unsigned"); | |
1137 | break; | |
1138 | case TYPESPEC_BOOL: | |
1139 | g_string_append(str, "bool"); | |
1140 | break; | |
1141 | case TYPESPEC_COMPLEX: | |
1142 | g_string_append(str, "_Complex"); | |
1143 | break; | |
1144 | case TYPESPEC_IMAGINARY: | |
1145 | g_string_append(str, "_Imaginary"); | |
1146 | break; | |
1147 | case TYPESPEC_CONST: | |
1148 | g_string_append(str, "const"); | |
1149 | break; | |
1150 | case TYPESPEC_ID_TYPE: | |
1151 | if (type_specifier->u.type_specifier.id_type) { | |
1152 | g_string_append(str, | |
1153 | type_specifier->u.type_specifier.id_type); | |
1154 | } | |
1155 | break; | |
1156 | case TYPESPEC_STRUCT: | |
1157 | { | |
1158 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
1159 | ||
1160 | if (!node->u._struct.name) { | |
28973adf | 1161 | _BT_LOGE_NODE(node, "Unexpected empty structure field type name."); |
e98a2d6e PP |
1162 | ret = -EINVAL; |
1163 | goto end; | |
1164 | } | |
1165 | ||
1166 | g_string_append(str, "struct "); | |
1167 | g_string_append(str, node->u._struct.name); | |
1168 | break; | |
1169 | } | |
1170 | case TYPESPEC_VARIANT: | |
1171 | { | |
1172 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
1173 | ||
1174 | if (!node->u.variant.name) { | |
28973adf | 1175 | _BT_LOGE_NODE(node, "Unexpected empty variant field type name."); |
e98a2d6e PP |
1176 | ret = -EINVAL; |
1177 | goto end; | |
1178 | } | |
1179 | ||
1180 | g_string_append(str, "variant "); | |
1181 | g_string_append(str, node->u.variant.name); | |
1182 | break; | |
1183 | } | |
1184 | case TYPESPEC_ENUM: | |
1185 | { | |
1186 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
1187 | ||
1188 | if (!node->u._enum.enum_id) { | |
28973adf PP |
1189 | _BT_LOGE_NODE(node, |
1190 | "Unexpected empty enumeration field type (`enum`) name."); | |
e98a2d6e PP |
1191 | ret = -EINVAL; |
1192 | goto end; | |
1193 | } | |
1194 | ||
1195 | g_string_append(str, "enum "); | |
1196 | g_string_append(str, node->u._enum.enum_id); | |
1197 | break; | |
1198 | } | |
1199 | case TYPESPEC_FLOATING_POINT: | |
1200 | case TYPESPEC_INTEGER: | |
1201 | case TYPESPEC_STRING: | |
1202 | default: | |
28973adf PP |
1203 | _BT_LOGE_NODE(type_specifier->u.type_specifier.node, |
1204 | "Unexpected type specifier type: %d", | |
08da4f77 | 1205 | type_specifier->u.type_specifier.type); |
e98a2d6e PP |
1206 | ret = -EINVAL; |
1207 | goto end; | |
1208 | } | |
1209 | ||
1210 | end: | |
1211 | return ret; | |
1212 | } | |
1213 | ||
1214 | static | |
1215 | int get_type_specifier_list_name(struct ctx *ctx, | |
1216 | struct ctf_node *type_specifier_list, GString *str) | |
1217 | { | |
502b0402 | 1218 | int ret = 0; |
e98a2d6e PP |
1219 | struct ctf_node *iter; |
1220 | int alias_item_nr = 0; | |
1221 | struct bt_list_head *head = | |
1222 | &type_specifier_list->u.type_specifier_list.head; | |
1223 | ||
1224 | bt_list_for_each_entry(iter, head, siblings) { | |
1225 | if (alias_item_nr != 0) { | |
1226 | g_string_append(str, " "); | |
1227 | } | |
1228 | ||
1229 | alias_item_nr++; | |
1230 | ret = get_type_specifier_name(ctx, iter, str); | |
1231 | if (ret) { | |
1232 | goto end; | |
1233 | } | |
1234 | } | |
1235 | ||
1236 | end: | |
1237 | return ret; | |
1238 | } | |
1239 | ||
1240 | static | |
1241 | GQuark create_typealias_identifier(struct ctx *ctx, | |
1242 | struct ctf_node *type_specifier_list, | |
1243 | struct ctf_node *node_type_declarator) | |
1244 | { | |
1245 | int ret; | |
1246 | char *str_c; | |
1247 | GString *str; | |
1248 | GQuark qalias = 0; | |
1249 | struct ctf_node *iter; | |
1250 | struct bt_list_head *pointers = | |
1251 | &node_type_declarator->u.type_declarator.pointers; | |
1252 | ||
1253 | str = g_string_new(""); | |
1254 | ret = get_type_specifier_list_name(ctx, type_specifier_list, str); | |
1255 | if (ret) { | |
1256 | g_string_free(str, TRUE); | |
1257 | goto end; | |
1258 | } | |
1259 | ||
1260 | bt_list_for_each_entry(iter, pointers, siblings) { | |
1261 | g_string_append(str, " *"); | |
1262 | ||
1263 | if (iter->u.pointer.const_qualifier) { | |
1264 | g_string_append(str, " const"); | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | str_c = g_string_free(str, FALSE); | |
1269 | qalias = g_quark_from_string(str_c); | |
1270 | g_free(str_c); | |
1271 | ||
1272 | end: | |
1273 | return qalias; | |
1274 | } | |
1275 | ||
1276 | static | |
1277 | int visit_type_declarator(struct ctx *ctx, struct ctf_node *type_specifier_list, | |
1278 | GQuark *field_name, struct ctf_node *node_type_declarator, | |
50842bdc PP |
1279 | struct bt_field_type **field_decl, |
1280 | struct bt_field_type *nested_decl) | |
e98a2d6e PP |
1281 | { |
1282 | /* | |
1283 | * During this whole function, nested_decl is always OURS, | |
1284 | * whereas field_decl is an output which we create, but | |
1285 | * belongs to the caller (it is moved). | |
1286 | */ | |
1287 | ||
1288 | int ret = 0; | |
1289 | *field_decl = NULL; | |
1290 | ||
1291 | /* Validate type declarator node */ | |
1292 | if (node_type_declarator) { | |
1293 | if (node_type_declarator->u.type_declarator.type == | |
1294 | TYPEDEC_UNKNOWN) { | |
28973adf PP |
1295 | _BT_LOGE_NODE(node_type_declarator, |
1296 | "Unexpected type declarator type: type=%d", | |
08da4f77 | 1297 | node_type_declarator->u.type_declarator.type); |
e98a2d6e PP |
1298 | ret = -EINVAL; |
1299 | goto error; | |
1300 | } | |
1301 | ||
1302 | /* TODO: GCC bitfields not supported yet */ | |
1303 | if (node_type_declarator->u.type_declarator.bitfield_len != | |
1304 | NULL) { | |
28973adf PP |
1305 | _BT_LOGE_NODE(node_type_declarator, |
1306 | "GCC bitfields are not supported as of this version."); | |
e98a2d6e PP |
1307 | ret = -EPERM; |
1308 | goto error; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | /* Find the right nested declaration if not provided */ | |
1313 | if (!nested_decl) { | |
1314 | struct bt_list_head *pointers = | |
1315 | &node_type_declarator->u.type_declarator.pointers; | |
1316 | ||
1317 | if (node_type_declarator && !bt_list_empty(pointers)) { | |
1318 | GQuark qalias; | |
50842bdc | 1319 | _BT_FIELD_TYPE_INIT(nested_decl_copy); |
e98a2d6e PP |
1320 | |
1321 | /* | |
1322 | * If we have a pointer declarator, it HAS to | |
1323 | * be present in the typealiases (else fail). | |
1324 | */ | |
1325 | qalias = create_typealias_identifier(ctx, | |
1326 | type_specifier_list, node_type_declarator); | |
1327 | nested_decl = | |
1328 | ctx_decl_scope_lookup_alias(ctx->current_scope, | |
1329 | g_quark_to_string(qalias), -1); | |
1330 | if (!nested_decl) { | |
28973adf PP |
1331 | _BT_LOGE_NODE(node_type_declarator, |
1332 | "Cannot find type alias: name=\"%s\"", | |
e98a2d6e PP |
1333 | g_quark_to_string(qalias)); |
1334 | ret = -EINVAL; | |
1335 | goto error; | |
1336 | } | |
1337 | ||
1338 | /* Make a copy of it */ | |
50842bdc | 1339 | nested_decl_copy = bt_field_type_copy(nested_decl); |
e98a2d6e PP |
1340 | BT_PUT(nested_decl); |
1341 | if (!nested_decl_copy) { | |
28973adf PP |
1342 | _BT_LOGE_NODE(node_type_declarator, |
1343 | "Cannot copy nested field type."); | |
e98a2d6e PP |
1344 | ret = -EINVAL; |
1345 | goto error; | |
1346 | } | |
1347 | ||
1348 | BT_MOVE(nested_decl, nested_decl_copy); | |
1349 | ||
1350 | /* Force integer's base to 16 since it's a pointer */ | |
50842bdc PP |
1351 | if (bt_field_type_is_integer(nested_decl)) { |
1352 | ret = bt_field_type_integer_set_base( | |
28973adf | 1353 | nested_decl, |
50842bdc | 1354 | BT_INTEGER_BASE_HEXADECIMAL); |
f6ccaed9 | 1355 | BT_ASSERT(ret == 0); |
e98a2d6e PP |
1356 | } |
1357 | } else { | |
1358 | ret = visit_type_specifier_list(ctx, | |
1359 | type_specifier_list, &nested_decl); | |
1360 | if (ret) { | |
f6ccaed9 | 1361 | BT_ASSERT(!nested_decl); |
e98a2d6e PP |
1362 | goto error; |
1363 | } | |
1364 | } | |
1365 | } | |
1366 | ||
f6ccaed9 | 1367 | BT_ASSERT(nested_decl); |
e98a2d6e PP |
1368 | |
1369 | if (!node_type_declarator) { | |
1370 | BT_MOVE(*field_decl, nested_decl); | |
1371 | goto end; | |
1372 | } | |
1373 | ||
1374 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { | |
1375 | if (node_type_declarator->u.type_declarator.u.id) { | |
1376 | const char *id = | |
1377 | node_type_declarator->u.type_declarator.u.id; | |
1378 | ||
6acddae3 PP |
1379 | if (id[0] == '_') { |
1380 | id++; | |
1381 | } | |
1382 | ||
e98a2d6e PP |
1383 | *field_name = g_quark_from_string(id); |
1384 | } else { | |
1385 | *field_name = 0; | |
1386 | } | |
1387 | ||
1388 | BT_MOVE(*field_decl, nested_decl); | |
1389 | goto end; | |
1390 | } else { | |
1391 | struct ctf_node *first; | |
50842bdc PP |
1392 | _BT_FIELD_TYPE_INIT(decl); |
1393 | _BT_FIELD_TYPE_INIT(outer_field_decl); | |
e98a2d6e PP |
1394 | struct bt_list_head *length = |
1395 | &node_type_declarator-> | |
1396 | u.type_declarator.u.nested.length; | |
1397 | ||
1398 | /* Create array/sequence, pass nested_decl as child */ | |
1399 | if (bt_list_empty(length)) { | |
28973adf PP |
1400 | _BT_LOGE_NODE(node_type_declarator, |
1401 | "Expecting length field reference or value."); | |
e98a2d6e PP |
1402 | ret = -EINVAL; |
1403 | goto error; | |
1404 | } | |
1405 | ||
1406 | first = _BT_LIST_FIRST_ENTRY(length, struct ctf_node, siblings); | |
1407 | if (first->type != NODE_UNARY_EXPRESSION) { | |
28973adf PP |
1408 | _BT_LOGE_NODE(first, |
1409 | "Unexpected node type: node-type=%d", | |
1410 | first->type); | |
e98a2d6e PP |
1411 | ret = -EINVAL; |
1412 | goto error; | |
1413 | } | |
1414 | ||
1415 | switch (first->u.unary_expression.type) { | |
1416 | case UNARY_UNSIGNED_CONSTANT: | |
1417 | { | |
1418 | size_t len; | |
50842bdc | 1419 | _BT_FIELD_TYPE_INIT(array_decl); |
e98a2d6e PP |
1420 | |
1421 | len = first->u.unary_expression.u.unsigned_constant; | |
50842bdc | 1422 | array_decl = bt_field_type_array_create(nested_decl, |
e98a2d6e PP |
1423 | len); |
1424 | BT_PUT(nested_decl); | |
1425 | if (!array_decl) { | |
28973adf PP |
1426 | _BT_LOGE_NODE(first, |
1427 | "Cannot create array field type."); | |
e98a2d6e PP |
1428 | ret = -ENOMEM; |
1429 | goto error; | |
1430 | } | |
1431 | ||
1432 | BT_MOVE(decl, array_decl); | |
1433 | break; | |
1434 | } | |
1435 | case UNARY_STRING: | |
1436 | { | |
1437 | /* Lookup unsigned integer definition, create seq. */ | |
50842bdc | 1438 | _BT_FIELD_TYPE_INIT(seq_decl); |
e98a2d6e | 1439 | char *length_name = concatenate_unary_strings(length); |
6acddae3 | 1440 | char *length_name_no_underscore; |
e98a2d6e PP |
1441 | |
1442 | if (!length_name) { | |
28973adf PP |
1443 | _BT_LOGE_NODE(node_type_declarator, |
1444 | "Cannot concatenate unary strings."); | |
e98a2d6e PP |
1445 | ret = -EINVAL; |
1446 | goto error; | |
1447 | } | |
1448 | ||
6acddae3 PP |
1449 | length_name_no_underscore = |
1450 | remove_underscores_from_field_ref(length_name); | |
1451 | if (!length_name_no_underscore) { | |
1452 | /* remove_underscores_from_field_ref() logs errors */ | |
1453 | ret = -EINVAL; | |
1454 | goto error; | |
1455 | } | |
50842bdc | 1456 | seq_decl = bt_field_type_sequence_create( |
6acddae3 PP |
1457 | nested_decl, length_name_no_underscore); |
1458 | free(length_name_no_underscore); | |
e98a2d6e PP |
1459 | g_free(length_name); |
1460 | BT_PUT(nested_decl); | |
1461 | if (!seq_decl) { | |
28973adf PP |
1462 | _BT_LOGE_NODE(node_type_declarator, |
1463 | "Cannot create sequence field type."); | |
e98a2d6e PP |
1464 | ret = -ENOMEM; |
1465 | goto error; | |
1466 | } | |
1467 | ||
1468 | BT_MOVE(decl, seq_decl); | |
1469 | break; | |
1470 | } | |
1471 | default: | |
1472 | ret = -EINVAL; | |
1473 | goto error; | |
1474 | } | |
1475 | ||
f6ccaed9 PP |
1476 | BT_ASSERT(!nested_decl); |
1477 | BT_ASSERT(decl); | |
1478 | BT_ASSERT(!*field_decl); | |
e98a2d6e PP |
1479 | |
1480 | /* | |
1481 | * At this point, we found the next nested declaration. | |
1482 | * We currently own this (and lost the ownership of | |
1483 | * nested_decl in the meantime). Pass this next | |
1484 | * nested declaration as the content of the outer | |
1485 | * container, MOVING its ownership. | |
1486 | */ | |
1487 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1488 | field_name, | |
1489 | node_type_declarator-> | |
1490 | u.type_declarator.u.nested.type_declarator, | |
1491 | &outer_field_decl, decl); | |
1492 | decl = NULL; | |
1493 | if (ret) { | |
f6ccaed9 | 1494 | BT_ASSERT(!outer_field_decl); |
e98a2d6e PP |
1495 | ret = -EINVAL; |
1496 | goto error; | |
1497 | } | |
1498 | ||
f6ccaed9 | 1499 | BT_ASSERT(outer_field_decl); |
e98a2d6e PP |
1500 | BT_MOVE(*field_decl, outer_field_decl); |
1501 | } | |
1502 | ||
1503 | end: | |
1504 | BT_PUT(nested_decl); | |
f6ccaed9 | 1505 | BT_ASSERT(*field_decl); |
e98a2d6e PP |
1506 | |
1507 | return 0; | |
1508 | ||
1509 | error: | |
1510 | BT_PUT(nested_decl); | |
1511 | BT_PUT(*field_decl); | |
1512 | ||
1513 | return ret; | |
1514 | } | |
1515 | ||
1516 | static | |
1517 | int visit_struct_decl_field(struct ctx *ctx, | |
50842bdc | 1518 | struct bt_field_type *struct_decl, |
e98a2d6e PP |
1519 | struct ctf_node *type_specifier_list, |
1520 | struct bt_list_head *type_declarators) | |
1521 | { | |
1522 | int ret = 0; | |
1523 | struct ctf_node *iter; | |
50842bdc | 1524 | _BT_FIELD_TYPE_INIT(field_decl); |
e98a2d6e PP |
1525 | |
1526 | bt_list_for_each_entry(iter, type_declarators, siblings) { | |
1527 | field_decl = NULL; | |
1528 | GQuark qfield_name; | |
1529 | const char *field_name; | |
50842bdc | 1530 | _BT_FIELD_TYPE_INIT(efield_decl); |
e98a2d6e PP |
1531 | |
1532 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1533 | &qfield_name, iter, &field_decl, NULL); | |
1534 | if (ret) { | |
f6ccaed9 | 1535 | BT_ASSERT(!field_decl); |
28973adf PP |
1536 | _BT_LOGE_NODE(type_specifier_list, |
1537 | "Cannot visit type declarator: ret=%d", ret); | |
e98a2d6e PP |
1538 | goto error; |
1539 | } | |
1540 | ||
f6ccaed9 | 1541 | BT_ASSERT(field_decl); |
e98a2d6e PP |
1542 | field_name = g_quark_to_string(qfield_name); |
1543 | ||
1544 | /* Check if field with same name already exists */ | |
1545 | efield_decl = | |
50842bdc | 1546 | bt_field_type_structure_get_field_type_by_name( |
e98a2d6e PP |
1547 | struct_decl, field_name); |
1548 | if (efield_decl) { | |
1549 | BT_PUT(efield_decl); | |
28973adf PP |
1550 | _BT_LOGE_NODE(type_specifier_list, |
1551 | "Duplicate field in structure field type: " | |
08da4f77 | 1552 | "field-name=\"%s\"", field_name); |
e98a2d6e PP |
1553 | ret = -EINVAL; |
1554 | goto error; | |
1555 | } | |
1556 | ||
1557 | /* Add field to structure */ | |
50842bdc | 1558 | ret = bt_field_type_structure_add_field(struct_decl, |
e98a2d6e PP |
1559 | field_decl, field_name); |
1560 | BT_PUT(field_decl); | |
1561 | if (ret) { | |
28973adf PP |
1562 | _BT_LOGE_NODE(type_specifier_list, |
1563 | "Cannot add field to structure field type: " | |
08da4f77 PP |
1564 | "field-name=\"%s\", ret=%d", |
1565 | g_quark_to_string(qfield_name), ret); | |
e98a2d6e PP |
1566 | goto error; |
1567 | } | |
1568 | } | |
1569 | ||
1570 | return 0; | |
1571 | ||
1572 | error: | |
1573 | BT_PUT(field_decl); | |
1574 | ||
1575 | return ret; | |
1576 | } | |
1577 | ||
1578 | static | |
1579 | int visit_variant_decl_field(struct ctx *ctx, | |
50842bdc | 1580 | struct bt_field_type *variant_decl, |
e98a2d6e PP |
1581 | struct ctf_node *type_specifier_list, |
1582 | struct bt_list_head *type_declarators) | |
1583 | { | |
1584 | int ret = 0; | |
1585 | struct ctf_node *iter; | |
50842bdc | 1586 | _BT_FIELD_TYPE_INIT(field_decl); |
e98a2d6e PP |
1587 | |
1588 | bt_list_for_each_entry(iter, type_declarators, siblings) { | |
1589 | field_decl = NULL; | |
1590 | GQuark qfield_name; | |
1591 | const char *field_name; | |
50842bdc | 1592 | _BT_FIELD_TYPE_INIT(efield_decl); |
e98a2d6e PP |
1593 | |
1594 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1595 | &qfield_name, iter, &field_decl, NULL); | |
1596 | if (ret) { | |
f6ccaed9 | 1597 | BT_ASSERT(!field_decl); |
28973adf PP |
1598 | _BT_LOGE_NODE(type_specifier_list, |
1599 | "Cannot visit type declarator: ret=%d", ret); | |
e98a2d6e PP |
1600 | goto error; |
1601 | } | |
1602 | ||
f6ccaed9 | 1603 | BT_ASSERT(field_decl); |
e98a2d6e PP |
1604 | field_name = g_quark_to_string(qfield_name); |
1605 | ||
1606 | /* Check if field with same name already exists */ | |
1607 | efield_decl = | |
50842bdc | 1608 | bt_field_type_variant_get_field_type_by_name( |
e98a2d6e PP |
1609 | variant_decl, field_name); |
1610 | if (efield_decl) { | |
1611 | BT_PUT(efield_decl); | |
28973adf PP |
1612 | _BT_LOGE_NODE(type_specifier_list, |
1613 | "Duplicate field in variant field type: " | |
08da4f77 | 1614 | "field-name=\"%s\"", field_name); |
e98a2d6e PP |
1615 | ret = -EINVAL; |
1616 | goto error; | |
1617 | } | |
1618 | ||
1619 | /* Add field to structure */ | |
50842bdc | 1620 | ret = bt_field_type_variant_add_field(variant_decl, |
e98a2d6e PP |
1621 | field_decl, field_name); |
1622 | BT_PUT(field_decl); | |
1623 | if (ret) { | |
28973adf PP |
1624 | _BT_LOGE_NODE(type_specifier_list, |
1625 | "Cannot add field to variant field type: " | |
08da4f77 PP |
1626 | "field-name=\"%s\", ret=%d", |
1627 | g_quark_to_string(qfield_name), ret); | |
e98a2d6e PP |
1628 | goto error; |
1629 | } | |
1630 | } | |
1631 | ||
1632 | return 0; | |
1633 | ||
1634 | error: | |
1635 | BT_PUT(field_decl); | |
1636 | ||
1637 | return ret; | |
1638 | } | |
1639 | ||
1640 | static | |
1641 | int visit_typedef(struct ctx *ctx, struct ctf_node *type_specifier_list, | |
1642 | struct bt_list_head *type_declarators) | |
1643 | { | |
1644 | int ret = 0; | |
1645 | GQuark qidentifier; | |
1646 | struct ctf_node *iter; | |
50842bdc | 1647 | _BT_FIELD_TYPE_INIT(type_decl); |
e98a2d6e PP |
1648 | |
1649 | bt_list_for_each_entry(iter, type_declarators, siblings) { | |
1650 | ret = visit_type_declarator(ctx, type_specifier_list, | |
1651 | &qidentifier, iter, &type_decl, NULL); | |
1652 | if (ret) { | |
28973adf PP |
1653 | _BT_LOGE_NODE(iter, |
1654 | "Cannot visit type declarator: ret=%d", ret); | |
e98a2d6e PP |
1655 | ret = -EINVAL; |
1656 | goto end; | |
1657 | } | |
1658 | ||
1659 | /* Do not allow typedef and typealias of untagged variants */ | |
50842bdc PP |
1660 | if (bt_field_type_is_variant(type_decl)) { |
1661 | if (bt_field_type_variant_get_tag_name(type_decl)) { | |
28973adf PP |
1662 | _BT_LOGE_NODE(iter, |
1663 | "Type definition of untagged variant field type is not allowed."); | |
e98a2d6e PP |
1664 | ret = -EPERM; |
1665 | goto end; | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | ret = ctx_decl_scope_register_alias(ctx->current_scope, | |
1670 | g_quark_to_string(qidentifier), type_decl); | |
1671 | if (ret) { | |
28973adf PP |
1672 | _BT_LOGE_NODE(iter, |
1673 | "Cannot register type definition: name=\"%s\"", | |
e98a2d6e PP |
1674 | g_quark_to_string(qidentifier)); |
1675 | goto end; | |
1676 | } | |
1677 | } | |
1678 | ||
1679 | end: | |
1680 | BT_PUT(type_decl); | |
1681 | ||
1682 | return ret; | |
1683 | } | |
1684 | ||
1685 | static | |
1686 | int visit_typealias(struct ctx *ctx, struct ctf_node *target, | |
1687 | struct ctf_node *alias) | |
1688 | { | |
1689 | int ret = 0; | |
1690 | GQuark qalias; | |
1691 | struct ctf_node *node; | |
1692 | GQuark qdummy_field_name; | |
50842bdc | 1693 | _BT_FIELD_TYPE_INIT(type_decl); |
e98a2d6e PP |
1694 | |
1695 | /* Create target type declaration */ | |
1696 | if (bt_list_empty(&target->u.typealias_target.type_declarators)) { | |
1697 | node = NULL; | |
1698 | } else { | |
1699 | node = _BT_LIST_FIRST_ENTRY( | |
1700 | &target->u.typealias_target.type_declarators, | |
1701 | struct ctf_node, siblings); | |
1702 | } | |
1703 | ||
1704 | ret = visit_type_declarator(ctx, | |
1705 | target->u.typealias_target.type_specifier_list, | |
1706 | &qdummy_field_name, node, &type_decl, NULL); | |
1707 | if (ret) { | |
f6ccaed9 | 1708 | BT_ASSERT(!type_decl); |
28973adf PP |
1709 | _BT_LOGE_NODE(node, |
1710 | "Cannot visit type declarator: ret=%d", ret); | |
e98a2d6e PP |
1711 | goto end; |
1712 | } | |
1713 | ||
1714 | /* Do not allow typedef and typealias of untagged variants */ | |
50842bdc PP |
1715 | if (bt_field_type_is_variant(type_decl)) { |
1716 | if (bt_field_type_variant_get_tag_name(type_decl)) { | |
f828aeda | 1717 | _BT_LOGE_NODE(target, |
28973adf | 1718 | "Type definition of untagged variant field type is not allowed."); |
e98a2d6e PP |
1719 | ret = -EPERM; |
1720 | goto end; | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | /* | |
1725 | * The semantic validator does not check whether the target is | |
1726 | * abstract or not (if it has an identifier). Check it here. | |
1727 | */ | |
1728 | if (qdummy_field_name != 0) { | |
f828aeda | 1729 | _BT_LOGE_NODE(target, |
28973adf | 1730 | "Expecting empty identifier: id=\"%s\"", |
08da4f77 | 1731 | g_quark_to_string(qdummy_field_name)); |
e98a2d6e PP |
1732 | ret = -EINVAL; |
1733 | goto end; | |
1734 | } | |
1735 | ||
1736 | /* Create alias identifier */ | |
1737 | node = _BT_LIST_FIRST_ENTRY(&alias->u.typealias_alias.type_declarators, | |
1738 | struct ctf_node, siblings); | |
1739 | qalias = create_typealias_identifier(ctx, | |
1740 | alias->u.typealias_alias.type_specifier_list, node); | |
1741 | ret = ctx_decl_scope_register_alias(ctx->current_scope, | |
1742 | g_quark_to_string(qalias), type_decl); | |
1743 | if (ret) { | |
28973adf PP |
1744 | _BT_LOGE_NODE(node, |
1745 | "Cannot register type alias: name=\"%s\"", | |
e98a2d6e PP |
1746 | g_quark_to_string(qalias)); |
1747 | goto end; | |
1748 | } | |
1749 | ||
1750 | end: | |
1751 | BT_PUT(type_decl); | |
1752 | ||
1753 | return ret; | |
1754 | } | |
1755 | ||
1756 | static | |
1757 | int visit_struct_decl_entry(struct ctx *ctx, struct ctf_node *entry_node, | |
50842bdc | 1758 | struct bt_field_type *struct_decl) |
e98a2d6e PP |
1759 | { |
1760 | int ret = 0; | |
1761 | ||
1762 | switch (entry_node->type) { | |
1763 | case NODE_TYPEDEF: | |
1764 | ret = visit_typedef(ctx, | |
1765 | entry_node->u._typedef.type_specifier_list, | |
1766 | &entry_node->u._typedef.type_declarators); | |
1767 | if (ret) { | |
28973adf PP |
1768 | _BT_LOGE_NODE(entry_node, |
1769 | "Cannot add type definition found in structure field type: ret=%d", | |
08da4f77 | 1770 | ret); |
e98a2d6e PP |
1771 | goto end; |
1772 | } | |
1773 | break; | |
1774 | case NODE_TYPEALIAS: | |
1775 | ret = visit_typealias(ctx, entry_node->u.typealias.target, | |
1776 | entry_node->u.typealias.alias); | |
1777 | if (ret) { | |
28973adf PP |
1778 | _BT_LOGE_NODE(entry_node, |
1779 | "Cannot add type alias found in structure field type: ret=%d", | |
08da4f77 | 1780 | ret); |
e98a2d6e PP |
1781 | goto end; |
1782 | } | |
1783 | break; | |
1784 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
1785 | /* Field */ | |
1786 | ret = visit_struct_decl_field(ctx, struct_decl, | |
1787 | entry_node->u.struct_or_variant_declaration. | |
1788 | type_specifier_list, | |
1789 | &entry_node->u.struct_or_variant_declaration. | |
1790 | type_declarators); | |
1791 | if (ret) { | |
1792 | goto end; | |
1793 | } | |
1794 | break; | |
1795 | default: | |
28973adf PP |
1796 | _BT_LOGE_NODE(entry_node, |
1797 | "Unexpected node type: node-type=%d", entry_node->type); | |
e98a2d6e PP |
1798 | ret = -EINVAL; |
1799 | goto end; | |
1800 | } | |
1801 | ||
1802 | end: | |
1803 | return ret; | |
1804 | } | |
1805 | ||
1806 | static | |
1807 | int visit_variant_decl_entry(struct ctx *ctx, struct ctf_node *entry_node, | |
50842bdc | 1808 | struct bt_field_type *variant_decl) |
e98a2d6e PP |
1809 | { |
1810 | int ret = 0; | |
1811 | ||
1812 | switch (entry_node->type) { | |
1813 | case NODE_TYPEDEF: | |
1814 | ret = visit_typedef(ctx, | |
1815 | entry_node->u._typedef.type_specifier_list, | |
1816 | &entry_node->u._typedef.type_declarators); | |
1817 | if (ret) { | |
28973adf PP |
1818 | _BT_LOGE_NODE(entry_node, |
1819 | "Cannot add type definition found in variant field type: ret=%d", | |
08da4f77 | 1820 | ret); |
e98a2d6e PP |
1821 | goto end; |
1822 | } | |
1823 | break; | |
1824 | case NODE_TYPEALIAS: | |
1825 | ret = visit_typealias(ctx, entry_node->u.typealias.target, | |
1826 | entry_node->u.typealias.alias); | |
1827 | if (ret) { | |
28973adf PP |
1828 | _BT_LOGE_NODE(entry_node, |
1829 | "Cannot add type alias found in variant field type: ret=%d", | |
08da4f77 | 1830 | ret); |
e98a2d6e PP |
1831 | goto end; |
1832 | } | |
1833 | break; | |
1834 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
1835 | /* Field */ | |
1836 | ret = visit_variant_decl_field(ctx, variant_decl, | |
1837 | entry_node->u.struct_or_variant_declaration. | |
1838 | type_specifier_list, | |
1839 | &entry_node->u.struct_or_variant_declaration. | |
1840 | type_declarators); | |
1841 | if (ret) { | |
1842 | goto end; | |
1843 | } | |
1844 | break; | |
1845 | default: | |
28973adf PP |
1846 | _BT_LOGE_NODE(entry_node, |
1847 | "Unexpected node type: node-type=%d", | |
08da4f77 | 1848 | entry_node->type); |
e98a2d6e PP |
1849 | ret = -EINVAL; |
1850 | goto end; | |
1851 | } | |
1852 | ||
1853 | end: | |
1854 | return ret; | |
1855 | } | |
1856 | ||
1857 | static | |
1858 | int visit_struct_decl(struct ctx *ctx, const char *name, | |
1859 | struct bt_list_head *decl_list, int has_body, | |
1860 | struct bt_list_head *min_align, | |
50842bdc | 1861 | struct bt_field_type **struct_decl) |
e98a2d6e PP |
1862 | { |
1863 | int ret = 0; | |
1864 | ||
1865 | *struct_decl = NULL; | |
1866 | ||
1867 | /* For named struct (without body), lookup in declaration scope */ | |
1868 | if (!has_body) { | |
50842bdc | 1869 | _BT_FIELD_TYPE_INIT(struct_decl_copy); |
e98a2d6e PP |
1870 | |
1871 | if (!name) { | |
28973adf | 1872 | BT_LOGE_STR("Bodyless structure field type: missing name."); |
e98a2d6e PP |
1873 | ret = -EPERM; |
1874 | goto error; | |
1875 | } | |
1876 | ||
1877 | *struct_decl = ctx_decl_scope_lookup_struct(ctx->current_scope, | |
1878 | name, -1); | |
1879 | if (!*struct_decl) { | |
08da4f77 PP |
1880 | BT_LOGE("Cannot find structure field type: name=\"struct %s\"", |
1881 | name); | |
e98a2d6e PP |
1882 | ret = -EINVAL; |
1883 | goto error; | |
1884 | } | |
1885 | ||
1886 | /* Make a copy of it */ | |
50842bdc | 1887 | struct_decl_copy = bt_field_type_copy(*struct_decl); |
e98a2d6e | 1888 | if (!struct_decl_copy) { |
08da4f77 | 1889 | BT_LOGE_STR("Cannot create copy of structure field type."); |
e98a2d6e PP |
1890 | ret = -EINVAL; |
1891 | goto error; | |
1892 | } | |
1893 | ||
1894 | BT_MOVE(*struct_decl, struct_decl_copy); | |
1895 | } else { | |
1896 | struct ctf_node *entry_node; | |
1897 | uint64_t min_align_value = 0; | |
1898 | ||
1899 | if (name) { | |
50842bdc | 1900 | _BT_FIELD_TYPE_INIT(estruct_decl); |
e98a2d6e PP |
1901 | |
1902 | estruct_decl = ctx_decl_scope_lookup_struct( | |
1903 | ctx->current_scope, name, 1); | |
1904 | if (estruct_decl) { | |
1905 | BT_PUT(estruct_decl); | |
08da4f77 PP |
1906 | BT_LOGE("Structure field type already declared in local scope: " |
1907 | "name=\"struct %s\"", name); | |
e98a2d6e PP |
1908 | ret = -EINVAL; |
1909 | goto error; | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | if (!bt_list_empty(min_align)) { | |
1914 | ret = get_unary_unsigned(min_align, &min_align_value); | |
1915 | if (ret) { | |
08da4f77 PP |
1916 | BT_LOGE("Unexpected unary expression for structure field type's `align` attribute: " |
1917 | "ret=%d", ret); | |
e98a2d6e PP |
1918 | goto error; |
1919 | } | |
1920 | } | |
1921 | ||
50842bdc | 1922 | *struct_decl = bt_field_type_structure_create(); |
e98a2d6e | 1923 | if (!*struct_decl) { |
08da4f77 | 1924 | BT_LOGE_STR("Cannot create empty structure field type."); |
e98a2d6e PP |
1925 | ret = -ENOMEM; |
1926 | goto error; | |
1927 | } | |
1928 | ||
539fd01b | 1929 | if (min_align_value != 0) { |
50842bdc | 1930 | ret = bt_field_type_set_alignment(*struct_decl, |
539fd01b JG |
1931 | min_align_value); |
1932 | if (ret) { | |
08da4f77 PP |
1933 | BT_LOGE("Cannot set structure field type's alignment: " |
1934 | "ret=%d", ret); | |
539fd01b JG |
1935 | goto error; |
1936 | } | |
1937 | } | |
1938 | ||
e98a2d6e PP |
1939 | ret = ctx_push_scope(ctx); |
1940 | if (ret) { | |
08da4f77 | 1941 | BT_LOGE_STR("Cannot push scope."); |
e98a2d6e PP |
1942 | goto error; |
1943 | } | |
1944 | ||
1945 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
1946 | ret = visit_struct_decl_entry(ctx, entry_node, | |
1947 | *struct_decl); | |
1948 | if (ret) { | |
28973adf PP |
1949 | _BT_LOGE_NODE(entry_node, |
1950 | "Cannot visit structure field type entry: " | |
1951 | "ret=%d", ret); | |
e98a2d6e PP |
1952 | ctx_pop_scope(ctx); |
1953 | goto error; | |
1954 | } | |
1955 | } | |
1956 | ||
1957 | ctx_pop_scope(ctx); | |
1958 | ||
1959 | if (name) { | |
1960 | ret = ctx_decl_scope_register_struct(ctx->current_scope, | |
1961 | name, *struct_decl); | |
1962 | if (ret) { | |
08da4f77 PP |
1963 | BT_LOGE("Cannot register structure field type in declaration scope: " |
1964 | "name=\"struct %s\", ret=%d", name, ret); | |
e98a2d6e PP |
1965 | goto error; |
1966 | } | |
1967 | } | |
1968 | } | |
1969 | ||
1970 | return 0; | |
1971 | ||
1972 | error: | |
1973 | BT_PUT(*struct_decl); | |
1974 | ||
1975 | return ret; | |
1976 | } | |
1977 | ||
1978 | static | |
1979 | int visit_variant_decl(struct ctx *ctx, const char *name, | |
1980 | const char *tag, struct bt_list_head *decl_list, | |
50842bdc | 1981 | int has_body, struct bt_field_type **variant_decl) |
e98a2d6e PP |
1982 | { |
1983 | int ret = 0; | |
50842bdc | 1984 | _BT_FIELD_TYPE_INIT(untagged_variant_decl); |
e98a2d6e PP |
1985 | |
1986 | *variant_decl = NULL; | |
1987 | ||
1988 | /* For named variant (without body), lookup in declaration scope */ | |
1989 | if (!has_body) { | |
50842bdc | 1990 | _BT_FIELD_TYPE_INIT(variant_decl_copy); |
e98a2d6e PP |
1991 | |
1992 | if (!name) { | |
28973adf | 1993 | BT_LOGE_STR("Bodyless variant field type: missing name."); |
e98a2d6e PP |
1994 | ret = -EPERM; |
1995 | goto error; | |
1996 | } | |
1997 | ||
1998 | untagged_variant_decl = | |
1999 | ctx_decl_scope_lookup_variant(ctx->current_scope, | |
2000 | name, -1); | |
2001 | if (!untagged_variant_decl) { | |
08da4f77 PP |
2002 | BT_LOGE("Cannot find variant field type: name=\"variant %s\"", |
2003 | name); | |
e98a2d6e PP |
2004 | ret = -EINVAL; |
2005 | goto error; | |
2006 | } | |
2007 | ||
2008 | /* Make a copy of it */ | |
50842bdc | 2009 | variant_decl_copy = bt_field_type_copy( |
e98a2d6e PP |
2010 | untagged_variant_decl); |
2011 | if (!variant_decl_copy) { | |
08da4f77 | 2012 | BT_LOGE_STR("Cannot create copy of variant field type."); |
e98a2d6e PP |
2013 | ret = -EINVAL; |
2014 | goto error; | |
2015 | } | |
2016 | ||
2017 | BT_MOVE(untagged_variant_decl, variant_decl_copy); | |
2018 | } else { | |
2019 | struct ctf_node *entry_node; | |
2020 | ||
2021 | if (name) { | |
50842bdc | 2022 | struct bt_field_type *evariant_decl = |
e98a2d6e PP |
2023 | ctx_decl_scope_lookup_struct(ctx->current_scope, |
2024 | name, 1); | |
2025 | ||
2026 | if (evariant_decl) { | |
2027 | BT_PUT(evariant_decl); | |
08da4f77 PP |
2028 | BT_LOGE("Variant field type already declared in local scope: " |
2029 | "name=\"variant %s\"", name); | |
e98a2d6e PP |
2030 | ret = -EINVAL; |
2031 | goto error; | |
2032 | } | |
2033 | } | |
2034 | ||
50842bdc | 2035 | untagged_variant_decl = bt_field_type_variant_create(NULL, |
e98a2d6e PP |
2036 | NULL); |
2037 | if (!untagged_variant_decl) { | |
08da4f77 | 2038 | BT_LOGE_STR("Cannot create empty variant field type."); |
e98a2d6e PP |
2039 | ret = -ENOMEM; |
2040 | goto error; | |
2041 | } | |
2042 | ||
2043 | ret = ctx_push_scope(ctx); | |
2044 | if (ret) { | |
08da4f77 | 2045 | BT_LOGE_STR("Cannot push scope."); |
e98a2d6e PP |
2046 | goto error; |
2047 | } | |
2048 | ||
2049 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
2050 | ret = visit_variant_decl_entry(ctx, entry_node, | |
2051 | untagged_variant_decl); | |
2052 | if (ret) { | |
28973adf PP |
2053 | _BT_LOGE_NODE(entry_node, |
2054 | "Cannot visit variant field type entry: " | |
2055 | "ret=%d", ret); | |
e98a2d6e PP |
2056 | ctx_pop_scope(ctx); |
2057 | goto error; | |
2058 | } | |
2059 | } | |
2060 | ||
2061 | ctx_pop_scope(ctx); | |
2062 | ||
2063 | if (name) { | |
2064 | ret = ctx_decl_scope_register_variant( | |
2065 | ctx->current_scope, name, | |
2066 | untagged_variant_decl); | |
2067 | if (ret) { | |
08da4f77 PP |
2068 | BT_LOGE("Cannot register variant field type in declaration scope: " |
2069 | "name=\"variant %s\", ret=%d", name, ret); | |
e98a2d6e PP |
2070 | goto error; |
2071 | } | |
2072 | } | |
2073 | } | |
2074 | ||
2075 | /* | |
2076 | * If tagged, create tagged variant and return; otherwise | |
2077 | * return untagged variant. | |
2078 | */ | |
2079 | if (!tag) { | |
2080 | BT_MOVE(*variant_decl, untagged_variant_decl); | |
2081 | } else { | |
2082 | /* | |
2083 | * At this point, we have a fresh untagged variant; nobody | |
2084 | * else owns it. Set its tag now. | |
2085 | */ | |
6acddae3 PP |
2086 | char *tag_no_underscore = |
2087 | remove_underscores_from_field_ref(tag); | |
2088 | ||
2089 | if (!tag_no_underscore) { | |
2090 | /* remove_underscores_from_field_ref() logs errors */ | |
2091 | goto error; | |
2092 | } | |
2093 | ||
50842bdc | 2094 | ret = bt_field_type_variant_set_tag_name( |
6acddae3 PP |
2095 | untagged_variant_decl, tag_no_underscore); |
2096 | free(tag_no_underscore); | |
e98a2d6e | 2097 | if (ret) { |
28973adf PP |
2098 | BT_LOGE("Cannot set variant field type's tag name: " |
2099 | "tag-name=\"%s\"", tag); | |
e98a2d6e PP |
2100 | goto error; |
2101 | } | |
2102 | ||
2103 | BT_MOVE(*variant_decl, untagged_variant_decl); | |
2104 | } | |
2105 | ||
f6ccaed9 PP |
2106 | BT_ASSERT(!untagged_variant_decl); |
2107 | BT_ASSERT(*variant_decl); | |
e98a2d6e PP |
2108 | |
2109 | return 0; | |
2110 | ||
2111 | error: | |
2112 | BT_PUT(untagged_variant_decl); | |
2113 | BT_PUT(*variant_decl); | |
2114 | ||
2115 | return ret; | |
2116 | } | |
2117 | ||
2118 | static | |
2119 | int visit_enum_decl_entry(struct ctx *ctx, struct ctf_node *enumerator, | |
50842bdc | 2120 | struct bt_field_type *enum_decl, int64_t *last, bt_bool is_signed) |
e98a2d6e PP |
2121 | { |
2122 | int ret = 0; | |
2123 | int nr_vals = 0; | |
2124 | struct ctf_node *iter; | |
2125 | int64_t start = 0, end = 0; | |
2126 | const char *label = enumerator->u.enumerator.id; | |
f4cc9a21 | 2127 | const char *effective_label = label; |
e98a2d6e PP |
2128 | struct bt_list_head *values = &enumerator->u.enumerator.values; |
2129 | ||
2130 | bt_list_for_each_entry(iter, values, siblings) { | |
2131 | int64_t *target; | |
2132 | ||
2133 | if (iter->type != NODE_UNARY_EXPRESSION) { | |
28973adf PP |
2134 | _BT_LOGE_NODE(iter, |
2135 | "Wrong expression for enumeration field type label: " | |
08da4f77 | 2136 | "node-type=%d, label=\"%s\"", iter->type, |
e98a2d6e PP |
2137 | label); |
2138 | ret = -EINVAL; | |
2139 | goto error; | |
2140 | } | |
2141 | ||
2142 | if (nr_vals == 0) { | |
2143 | target = &start; | |
2144 | } else { | |
2145 | target = &end; | |
2146 | } | |
2147 | ||
2148 | switch (iter->u.unary_expression.type) { | |
2149 | case UNARY_SIGNED_CONSTANT: | |
2150 | *target = iter->u.unary_expression.u.signed_constant; | |
2151 | break; | |
2152 | case UNARY_UNSIGNED_CONSTANT: | |
2153 | *target = (int64_t) | |
2154 | iter->u.unary_expression.u.unsigned_constant; | |
2155 | break; | |
2156 | default: | |
28973adf PP |
2157 | _BT_LOGE_NODE(iter, |
2158 | "Invalid enumeration field type entry: " | |
08da4f77 PP |
2159 | "expecting constant signed or unsigned integer: " |
2160 | "node-type=%d, label=\"%s\"", | |
2161 | iter->u.unary_expression.type, label); | |
e98a2d6e PP |
2162 | ret = -EINVAL; |
2163 | goto error; | |
2164 | } | |
2165 | ||
2166 | if (nr_vals > 1) { | |
28973adf PP |
2167 | _BT_LOGE_NODE(iter, |
2168 | "Invalid enumeration field type entry: label=\"%s\"", | |
e98a2d6e PP |
2169 | label); |
2170 | ret = -EINVAL; | |
2171 | goto error; | |
2172 | } | |
2173 | ||
2174 | nr_vals++; | |
2175 | } | |
2176 | ||
2177 | if (nr_vals == 0) { | |
2178 | start = *last; | |
2179 | } | |
2180 | ||
2181 | if (nr_vals <= 1) { | |
2182 | end = start; | |
2183 | } | |
2184 | ||
2185 | *last = end + 1; | |
2186 | ||
f4cc9a21 PP |
2187 | if (label[0] == '_') { |
2188 | /* | |
2189 | * Strip the first underscore of any enumeration field | |
2190 | * type's label in case this enumeration FT is used as | |
2191 | * a variant FT tag later. The variant FT choice names | |
2192 | * could also start with `_`, in which case the prefix | |
2193 | * is removed, and it the resulting choice name needs to | |
2194 | * match tag labels. | |
2195 | */ | |
2196 | effective_label = &label[1]; | |
2197 | } | |
2198 | ||
e98a2d6e | 2199 | if (is_signed) { |
3dca2276 | 2200 | ret = bt_field_type_enumeration_signed_add_mapping(enum_decl, |
f4cc9a21 | 2201 | effective_label, start, end); |
e98a2d6e | 2202 | } else { |
3dca2276 | 2203 | ret = bt_field_type_enumeration_unsigned_add_mapping(enum_decl, |
f4cc9a21 | 2204 | effective_label, (uint64_t) start, (uint64_t) end); |
e98a2d6e PP |
2205 | } |
2206 | if (ret) { | |
28973adf PP |
2207 | _BT_LOGE_NODE(enumerator, |
2208 | "Cannot add mapping to enumeration field type: " | |
08da4f77 PP |
2209 | "label=\"%s\", ret=%d, " |
2210 | "start-value-unsigned=%" PRIu64 ", " | |
2211 | "end-value-unsigned=%" PRIu64, label, ret, | |
2212 | (uint64_t) start, (uint64_t) end); | |
e98a2d6e PP |
2213 | goto error; |
2214 | } | |
2215 | ||
2216 | return 0; | |
2217 | ||
2218 | error: | |
2219 | return ret; | |
2220 | } | |
2221 | ||
2222 | static | |
2223 | int visit_enum_decl(struct ctx *ctx, const char *name, | |
2224 | struct ctf_node *container_type, | |
2225 | struct bt_list_head *enumerator_list, | |
2226 | int has_body, | |
50842bdc | 2227 | struct bt_field_type **enum_decl) |
e98a2d6e PP |
2228 | { |
2229 | int ret = 0; | |
2230 | GQuark qdummy_id; | |
50842bdc | 2231 | _BT_FIELD_TYPE_INIT(integer_decl); |
e98a2d6e PP |
2232 | |
2233 | *enum_decl = NULL; | |
2234 | ||
2235 | /* For named enum (without body), lookup in declaration scope */ | |
2236 | if (!has_body) { | |
50842bdc | 2237 | _BT_FIELD_TYPE_INIT(enum_decl_copy); |
e98a2d6e PP |
2238 | |
2239 | if (!name) { | |
28973adf | 2240 | BT_LOGE_STR("Bodyless enumeration field type: missing name."); |
e98a2d6e PP |
2241 | ret = -EPERM; |
2242 | goto error; | |
2243 | } | |
2244 | ||
2245 | *enum_decl = ctx_decl_scope_lookup_enum(ctx->current_scope, | |
2246 | name, -1); | |
2247 | if (!*enum_decl) { | |
08da4f77 PP |
2248 | BT_LOGE("Cannot find enumeration field type: " |
2249 | "name=\"enum %s\"", name); | |
e98a2d6e PP |
2250 | ret = -EINVAL; |
2251 | goto error; | |
2252 | } | |
2253 | ||
2254 | /* Make a copy of it */ | |
50842bdc | 2255 | enum_decl_copy = bt_field_type_copy(*enum_decl); |
e98a2d6e | 2256 | if (!enum_decl_copy) { |
08da4f77 | 2257 | BT_LOGE_STR("Cannot create copy of enumeration field type."); |
e98a2d6e PP |
2258 | ret = -EINVAL; |
2259 | goto error; | |
2260 | } | |
2261 | ||
2262 | BT_PUT(*enum_decl); | |
2263 | BT_MOVE(*enum_decl, enum_decl_copy); | |
2264 | } else { | |
2265 | struct ctf_node *iter; | |
2266 | int64_t last_value = 0; | |
2267 | ||
2268 | if (name) { | |
50842bdc | 2269 | _BT_FIELD_TYPE_INIT(eenum_decl); |
e98a2d6e PP |
2270 | |
2271 | eenum_decl = ctx_decl_scope_lookup_enum( | |
2272 | ctx->current_scope, name, 1); | |
2273 | if (eenum_decl) { | |
2274 | BT_PUT(eenum_decl); | |
08da4f77 PP |
2275 | BT_LOGE("Enumeration field type already declared in local scope: " |
2276 | "name=\"enum %s\"", name); | |
e98a2d6e PP |
2277 | ret = -EINVAL; |
2278 | goto error; | |
2279 | } | |
2280 | } | |
2281 | ||
2282 | if (!container_type) { | |
2283 | integer_decl = ctx_decl_scope_lookup_alias( | |
2284 | ctx->current_scope, "int", -1); | |
2285 | if (!integer_decl) { | |
08da4f77 | 2286 | BT_LOGE_STR("Cannot find implicit `int` field type alias for enumeration field type."); |
e98a2d6e PP |
2287 | ret = -EINVAL; |
2288 | goto error; | |
2289 | } | |
2290 | } else { | |
2291 | ret = visit_type_declarator(ctx, container_type, | |
2292 | &qdummy_id, NULL, &integer_decl, NULL); | |
2293 | if (ret) { | |
f6ccaed9 | 2294 | BT_ASSERT(!integer_decl); |
e98a2d6e PP |
2295 | ret = -EINVAL; |
2296 | goto error; | |
2297 | } | |
2298 | } | |
2299 | ||
f6ccaed9 | 2300 | BT_ASSERT(integer_decl); |
e98a2d6e | 2301 | |
50842bdc | 2302 | if (!bt_field_type_is_integer(integer_decl)) { |
08da4f77 PP |
2303 | BT_LOGE("Container field type for enumeration field type is not an integer field type: " |
2304 | "ft-id=%s", | |
3dca2276 | 2305 | bt_common_field_type_id_string( |
50842bdc | 2306 | bt_field_type_get_type_id(integer_decl))); |
e98a2d6e PP |
2307 | ret = -EINVAL; |
2308 | goto error; | |
2309 | } | |
2310 | ||
50842bdc | 2311 | *enum_decl = bt_field_type_enumeration_create(integer_decl); |
e98a2d6e | 2312 | if (!*enum_decl) { |
08da4f77 | 2313 | BT_LOGE_STR("Cannot create enumeration field type."); |
e98a2d6e PP |
2314 | ret = -ENOMEM; |
2315 | goto error; | |
2316 | } | |
2317 | ||
2318 | bt_list_for_each_entry(iter, enumerator_list, siblings) { | |
2319 | ret = visit_enum_decl_entry(ctx, iter, *enum_decl, | |
2320 | &last_value, | |
50842bdc | 2321 | bt_field_type_integer_is_signed(integer_decl)); |
e98a2d6e | 2322 | if (ret) { |
28973adf PP |
2323 | _BT_LOGE_NODE(iter, |
2324 | "Cannot visit enumeration field type entry: " | |
2325 | "ret=%d", ret); | |
e98a2d6e PP |
2326 | goto error; |
2327 | } | |
2328 | } | |
2329 | ||
2330 | if (name) { | |
2331 | ret = ctx_decl_scope_register_enum(ctx->current_scope, | |
2332 | name, *enum_decl); | |
2333 | if (ret) { | |
28973adf PP |
2334 | BT_LOGE("Cannot register enumeration field type in declaration scope: " |
2335 | "ret=%d", ret); | |
e98a2d6e PP |
2336 | goto error; |
2337 | } | |
2338 | } | |
2339 | } | |
2340 | ||
2341 | BT_PUT(integer_decl); | |
2342 | ||
2343 | return 0; | |
2344 | ||
2345 | error: | |
2346 | BT_PUT(integer_decl); | |
2347 | BT_PUT(*enum_decl); | |
2348 | ||
2349 | return ret; | |
2350 | } | |
2351 | ||
2352 | static | |
2353 | int visit_type_specifier(struct ctx *ctx, | |
2354 | struct ctf_node *type_specifier_list, | |
50842bdc | 2355 | struct bt_field_type **decl) |
e98a2d6e PP |
2356 | { |
2357 | int ret = 0; | |
2358 | GString *str = NULL; | |
50842bdc | 2359 | _BT_FIELD_TYPE_INIT(decl_copy); |
e98a2d6e PP |
2360 | |
2361 | *decl = NULL; | |
2362 | str = g_string_new(""); | |
2363 | ret = get_type_specifier_list_name(ctx, type_specifier_list, str); | |
2364 | if (ret) { | |
28973adf PP |
2365 | _BT_LOGE_NODE(type_specifier_list, |
2366 | "Cannot get type specifier list's name: ret=%d", ret); | |
e98a2d6e PP |
2367 | goto error; |
2368 | } | |
2369 | ||
2370 | *decl = ctx_decl_scope_lookup_alias(ctx->current_scope, str->str, -1); | |
2371 | if (!*decl) { | |
28973adf PP |
2372 | _BT_LOGE_NODE(type_specifier_list, |
2373 | "Cannot find type alias: name=\"%s\"", str->str); | |
e98a2d6e PP |
2374 | ret = -EINVAL; |
2375 | goto error; | |
2376 | } | |
2377 | ||
2378 | /* Make a copy of the type declaration */ | |
50842bdc | 2379 | decl_copy = bt_field_type_copy(*decl); |
e98a2d6e | 2380 | if (!decl_copy) { |
28973adf PP |
2381 | _BT_LOGE_NODE(type_specifier_list, |
2382 | "Cannot create field type copy."); | |
e98a2d6e PP |
2383 | ret = -EINVAL; |
2384 | goto error; | |
2385 | } | |
2386 | ||
2387 | BT_MOVE(*decl, decl_copy); | |
2388 | (void) g_string_free(str, TRUE); | |
2389 | str = NULL; | |
2390 | ||
2391 | return 0; | |
2392 | ||
2393 | error: | |
2394 | if (str) { | |
2395 | (void) g_string_free(str, TRUE); | |
2396 | } | |
2397 | ||
2398 | BT_PUT(*decl); | |
2399 | ||
2400 | return ret; | |
2401 | } | |
2402 | ||
2403 | static | |
2404 | int visit_integer_decl(struct ctx *ctx, | |
2405 | struct bt_list_head *expressions, | |
50842bdc | 2406 | struct bt_field_type **integer_decl) |
e98a2d6e PP |
2407 | { |
2408 | int set = 0; | |
2409 | int ret = 0; | |
50842bdc | 2410 | bt_bool signedness = 0; |
e98a2d6e PP |
2411 | struct ctf_node *expression; |
2412 | uint64_t alignment = 0, size = 0; | |
50842bdc PP |
2413 | struct bt_clock_class *mapped_clock = NULL; |
2414 | enum bt_string_encoding encoding = BT_STRING_ENCODING_NONE; | |
2415 | enum bt_integer_base base = BT_INTEGER_BASE_DECIMAL; | |
2416 | enum bt_byte_order byte_order = | |
2417 | bt_trace_get_native_byte_order(ctx->trace); | |
e98a2d6e PP |
2418 | |
2419 | *integer_decl = NULL; | |
2420 | ||
2421 | bt_list_for_each_entry(expression, expressions, siblings) { | |
2422 | struct ctf_node *left, *right; | |
2423 | ||
2424 | left = _BT_LIST_FIRST_ENTRY(&expression->u.ctf_expression.left, | |
2425 | struct ctf_node, siblings); | |
2426 | right = _BT_LIST_FIRST_ENTRY( | |
2427 | &expression->u.ctf_expression.right, struct ctf_node, | |
2428 | siblings); | |
2429 | ||
2430 | if (left->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
2431 | _BT_LOGE_NODE(left, |
2432 | "Unexpected unary expression type: type=%d", | |
2433 | left->u.unary_expression.type); | |
e98a2d6e PP |
2434 | ret = -EINVAL; |
2435 | goto error; | |
2436 | } | |
2437 | ||
2438 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
2439 | if (_IS_SET(&set, _INTEGER_SIGNED_SET)) { | |
28973adf | 2440 | _BT_LOGE_DUP_ATTR(left, "signed", |
08da4f77 | 2441 | "integer field type"); |
e98a2d6e PP |
2442 | ret = -EPERM; |
2443 | goto error; | |
2444 | } | |
2445 | ||
55314f2a | 2446 | signedness = get_boolean(right); |
e98a2d6e | 2447 | if (signedness < 0) { |
28973adf PP |
2448 | _BT_LOGE_NODE(right, |
2449 | "Invalid boolean value for integer field type's `signed` attribute: " | |
2450 | "ret=%d", ret); | |
e98a2d6e PP |
2451 | ret = -EINVAL; |
2452 | goto error; | |
2453 | } | |
2454 | ||
2455 | _SET(&set, _INTEGER_SIGNED_SET); | |
2456 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2457 | "byte_order")) { | |
2458 | if (_IS_SET(&set, _INTEGER_BYTE_ORDER_SET)) { | |
28973adf | 2459 | _BT_LOGE_DUP_ATTR(left, "byte_order", |
08da4f77 | 2460 | "integer field type"); |
e98a2d6e PP |
2461 | ret = -EPERM; |
2462 | goto error; | |
2463 | } | |
2464 | ||
2465 | byte_order = get_real_byte_order(ctx, right); | |
50842bdc | 2466 | if (byte_order == BT_BYTE_ORDER_UNKNOWN) { |
28973adf PP |
2467 | _BT_LOGE_NODE(right, |
2468 | "Invalid `byte_order` attribute in integer field type: " | |
08da4f77 | 2469 | "ret=%d", ret); |
e98a2d6e PP |
2470 | ret = -EINVAL; |
2471 | goto error; | |
2472 | } | |
2473 | ||
2474 | _SET(&set, _INTEGER_BYTE_ORDER_SET); | |
2475 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { | |
2476 | if (_IS_SET(&set, _INTEGER_SIZE_SET)) { | |
28973adf | 2477 | _BT_LOGE_DUP_ATTR(left, "size", |
08da4f77 | 2478 | "integer field type"); |
e98a2d6e PP |
2479 | ret = -EPERM; |
2480 | goto error; | |
2481 | } | |
2482 | ||
2483 | if (right->u.unary_expression.type != | |
2484 | UNARY_UNSIGNED_CONSTANT) { | |
28973adf PP |
2485 | _BT_LOGE_NODE(right, |
2486 | "Invalid `size` attribute in integer field type: " | |
08da4f77 PP |
2487 | "expecting unsigned constant integer: " |
2488 | "node-type=%d", | |
2489 | right->u.unary_expression.type); | |
e98a2d6e PP |
2490 | ret = -EINVAL; |
2491 | goto error; | |
2492 | } | |
2493 | ||
2494 | size = right->u.unary_expression.u.unsigned_constant; | |
2495 | if (size == 0) { | |
28973adf PP |
2496 | _BT_LOGE_NODE(right, |
2497 | "Invalid `size` attribute in integer field type: " | |
08da4f77 PP |
2498 | "expecting positive constant integer: " |
2499 | "size=%" PRIu64, size); | |
e98a2d6e PP |
2500 | ret = -EINVAL; |
2501 | goto error; | |
2502 | } else if (size > 64) { | |
28973adf PP |
2503 | _BT_LOGE_NODE(right, |
2504 | "Invalid `size` attribute in integer field type: " | |
08da4f77 PP |
2505 | "integer fields over 64 bits are not supported as of this version: " |
2506 | "size=%" PRIu64, size); | |
e98a2d6e PP |
2507 | ret = -EINVAL; |
2508 | goto error; | |
2509 | } | |
2510 | ||
2511 | _SET(&set, _INTEGER_SIZE_SET); | |
2512 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2513 | "align")) { | |
2514 | if (_IS_SET(&set, _INTEGER_ALIGN_SET)) { | |
28973adf | 2515 | _BT_LOGE_DUP_ATTR(left, "align", |
08da4f77 | 2516 | "integer field type"); |
e98a2d6e PP |
2517 | ret = -EPERM; |
2518 | goto error; | |
2519 | } | |
2520 | ||
2521 | if (right->u.unary_expression.type != | |
2522 | UNARY_UNSIGNED_CONSTANT) { | |
28973adf PP |
2523 | _BT_LOGE_NODE(right, |
2524 | "Invalid `align` attribute in integer field type: " | |
08da4f77 PP |
2525 | "expecting unsigned constant integer: " |
2526 | "node-type=%d", | |
2527 | right->u.unary_expression.type); | |
e98a2d6e PP |
2528 | ret = -EINVAL; |
2529 | goto error; | |
2530 | } | |
2531 | ||
2532 | alignment = | |
2533 | right->u.unary_expression.u.unsigned_constant; | |
2534 | if (!is_align_valid(alignment)) { | |
28973adf PP |
2535 | _BT_LOGE_NODE(right, |
2536 | "Invalid `align` attribute in integer field type: " | |
08da4f77 PP |
2537 | "expecting power of two: " |
2538 | "align=%" PRIu64, alignment); | |
e98a2d6e PP |
2539 | ret = -EINVAL; |
2540 | goto error; | |
2541 | } | |
2542 | ||
2543 | _SET(&set, _INTEGER_ALIGN_SET); | |
2544 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { | |
2545 | if (_IS_SET(&set, _INTEGER_BASE_SET)) { | |
28973adf PP |
2546 | _BT_LOGE_DUP_ATTR(left, "base", |
2547 | "integer field type"); | |
e98a2d6e PP |
2548 | ret = -EPERM; |
2549 | goto error; | |
2550 | } | |
2551 | ||
2552 | switch (right->u.unary_expression.type) { | |
2553 | case UNARY_UNSIGNED_CONSTANT: | |
2554 | { | |
2555 | uint64_t constant = right->u.unary_expression. | |
2556 | u.unsigned_constant; | |
2557 | ||
2558 | switch (constant) { | |
2559 | case 2: | |
50842bdc | 2560 | base = BT_INTEGER_BASE_BINARY; |
e98a2d6e PP |
2561 | break; |
2562 | case 8: | |
50842bdc | 2563 | base = BT_INTEGER_BASE_OCTAL; |
e98a2d6e PP |
2564 | break; |
2565 | case 10: | |
50842bdc | 2566 | base = BT_INTEGER_BASE_DECIMAL; |
e98a2d6e PP |
2567 | break; |
2568 | case 16: | |
50842bdc | 2569 | base = BT_INTEGER_BASE_HEXADECIMAL; |
e98a2d6e PP |
2570 | break; |
2571 | default: | |
28973adf PP |
2572 | _BT_LOGE_NODE(right, |
2573 | "Invalid `base` attribute in integer field type: " | |
08da4f77 | 2574 | "base=%" PRIu64, |
e98a2d6e PP |
2575 | right->u.unary_expression.u.unsigned_constant); |
2576 | ret = -EINVAL; | |
2577 | goto error; | |
2578 | } | |
2579 | break; | |
2580 | } | |
2581 | case UNARY_STRING: | |
2582 | { | |
2583 | char *s_right = concatenate_unary_strings( | |
2584 | &expression->u.ctf_expression.right); | |
2585 | if (!s_right) { | |
28973adf PP |
2586 | _BT_LOGE_NODE(right, |
2587 | "Unexpected unary expression for integer field type's `base` attribute."); | |
e98a2d6e PP |
2588 | ret = -EINVAL; |
2589 | goto error; | |
2590 | } | |
2591 | ||
2592 | if (!strcmp(s_right, "decimal") || | |
2593 | !strcmp(s_right, "dec") || | |
2594 | !strcmp(s_right, "d") || | |
2595 | !strcmp(s_right, "i") || | |
2596 | !strcmp(s_right, "u")) { | |
50842bdc | 2597 | base = BT_INTEGER_BASE_DECIMAL; |
e98a2d6e PP |
2598 | } else if (!strcmp(s_right, "hexadecimal") || |
2599 | !strcmp(s_right, "hex") || | |
2600 | !strcmp(s_right, "x") || | |
2601 | !strcmp(s_right, "X") || | |
2602 | !strcmp(s_right, "p")) { | |
50842bdc | 2603 | base = BT_INTEGER_BASE_HEXADECIMAL; |
e98a2d6e PP |
2604 | } else if (!strcmp(s_right, "octal") || |
2605 | !strcmp(s_right, "oct") || | |
2606 | !strcmp(s_right, "o")) { | |
50842bdc | 2607 | base = BT_INTEGER_BASE_OCTAL; |
e98a2d6e PP |
2608 | } else if (!strcmp(s_right, "binary") || |
2609 | !strcmp(s_right, "b")) { | |
50842bdc | 2610 | base = BT_INTEGER_BASE_BINARY; |
e98a2d6e | 2611 | } else { |
28973adf PP |
2612 | _BT_LOGE_NODE(right, |
2613 | "Unexpected unary expression for integer field type's `base` attribute: " | |
08da4f77 | 2614 | "base=\"%s\"", s_right); |
e98a2d6e PP |
2615 | g_free(s_right); |
2616 | ret = -EINVAL; | |
2617 | goto error; | |
2618 | } | |
2619 | ||
2620 | g_free(s_right); | |
2621 | break; | |
2622 | } | |
2623 | default: | |
28973adf PP |
2624 | _BT_LOGE_NODE(right, |
2625 | "Invalid `base` attribute in integer field type: " | |
08da4f77 | 2626 | "expecting unsigned constant integer or unary string."); |
e98a2d6e PP |
2627 | ret = -EINVAL; |
2628 | goto error; | |
2629 | } | |
2630 | ||
2631 | _SET(&set, _INTEGER_BASE_SET); | |
2632 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2633 | "encoding")) { | |
2634 | char *s_right; | |
2635 | ||
2636 | if (_IS_SET(&set, _INTEGER_ENCODING_SET)) { | |
28973adf | 2637 | _BT_LOGE_DUP_ATTR(left, "encoding", |
08da4f77 | 2638 | "integer field type"); |
e98a2d6e PP |
2639 | ret = -EPERM; |
2640 | goto error; | |
2641 | } | |
2642 | ||
2643 | if (right->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
2644 | _BT_LOGE_NODE(right, |
2645 | "Invalid `encoding` attribute in integer field type: " | |
08da4f77 | 2646 | "expecting unary string."); |
e98a2d6e PP |
2647 | ret = -EINVAL; |
2648 | goto error; | |
2649 | } | |
2650 | ||
2651 | s_right = concatenate_unary_strings( | |
2652 | &expression->u.ctf_expression.right); | |
2653 | if (!s_right) { | |
28973adf PP |
2654 | _BT_LOGE_NODE(right, |
2655 | "Unexpected unary expression for integer field type's `encoding` attribute."); | |
e98a2d6e PP |
2656 | ret = -EINVAL; |
2657 | goto error; | |
2658 | } | |
2659 | ||
2660 | if (!strcmp(s_right, "UTF8") || | |
2661 | !strcmp(s_right, "utf8") || | |
2662 | !strcmp(s_right, "utf-8") || | |
2663 | !strcmp(s_right, "UTF-8")) { | |
50842bdc | 2664 | encoding = BT_STRING_ENCODING_UTF8; |
e98a2d6e PP |
2665 | } else if (!strcmp(s_right, "ASCII") || |
2666 | !strcmp(s_right, "ascii")) { | |
50842bdc | 2667 | encoding = BT_STRING_ENCODING_ASCII; |
e98a2d6e | 2668 | } else if (!strcmp(s_right, "none")) { |
50842bdc | 2669 | encoding = BT_STRING_ENCODING_NONE; |
e98a2d6e | 2670 | } else { |
28973adf PP |
2671 | _BT_LOGE_NODE(right, |
2672 | "Invalid `encoding` attribute in integer field type: " | |
08da4f77 | 2673 | "unknown encoding: encoding=\"%s\"", |
e98a2d6e PP |
2674 | s_right); |
2675 | g_free(s_right); | |
2676 | ret = -EINVAL; | |
2677 | goto error; | |
2678 | } | |
2679 | ||
2680 | g_free(s_right); | |
2681 | _SET(&set, _INTEGER_ENCODING_SET); | |
2682 | } else if (!strcmp(left->u.unary_expression.u.string, "map")) { | |
2683 | const char *clock_name; | |
2684 | ||
2685 | if (_IS_SET(&set, _INTEGER_MAP_SET)) { | |
28973adf PP |
2686 | _BT_LOGE_DUP_ATTR(left, "map", |
2687 | "integer field type"); | |
e98a2d6e PP |
2688 | ret = -EPERM; |
2689 | goto error; | |
2690 | } | |
2691 | ||
2692 | if (right->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
2693 | _BT_LOGE_NODE(right, |
2694 | "Invalid `map` attribute in integer field type: " | |
08da4f77 | 2695 | "expecting unary string."); |
e98a2d6e PP |
2696 | ret = -EINVAL; |
2697 | goto error; | |
2698 | } | |
2699 | ||
2700 | clock_name = | |
2701 | get_map_clock_name_value( | |
2702 | &expression->u.ctf_expression.right); | |
2703 | if (!clock_name) { | |
2704 | char *s_right = concatenate_unary_strings( | |
2705 | &expression->u.ctf_expression.right); | |
2706 | ||
2707 | if (!s_right) { | |
28973adf PP |
2708 | _BT_LOGE_NODE(right, |
2709 | "Unexpected unary expression for integer field type's `map` attribute."); | |
e98a2d6e PP |
2710 | ret = -EINVAL; |
2711 | goto error; | |
2712 | } | |
2713 | ||
28973adf PP |
2714 | _BT_LOGE_NODE(right, |
2715 | "Invalid `map` attribute in integer field type: " | |
08da4f77 | 2716 | "cannot find clock class at this point: name=\"%s\"", |
e98a2d6e PP |
2717 | s_right); |
2718 | _SET(&set, _INTEGER_MAP_SET); | |
2719 | g_free(s_right); | |
2720 | continue; | |
2721 | } | |
2722 | ||
50842bdc | 2723 | mapped_clock = bt_trace_get_clock_class_by_name( |
e98a2d6e PP |
2724 | ctx->trace, clock_name); |
2725 | if (!mapped_clock) { | |
28973adf PP |
2726 | _BT_LOGE_NODE(right, |
2727 | "Invalid `map` attribute in integer field type: " | |
08da4f77 | 2728 | "cannot find clock class at this point: name=\"%s\"", |
e98a2d6e PP |
2729 | clock_name); |
2730 | ret = -EINVAL; | |
2731 | goto error; | |
2732 | } | |
2733 | ||
2734 | _SET(&set, _INTEGER_MAP_SET); | |
2735 | } else { | |
28973adf PP |
2736 | _BT_LOGW_NODE(left, |
2737 | "Unknown attribute in integer field type: " | |
08da4f77 | 2738 | "attr-name=\"%s\"", |
e98a2d6e PP |
2739 | left->u.unary_expression.u.string); |
2740 | } | |
2741 | } | |
2742 | ||
2743 | if (!_IS_SET(&set, _INTEGER_SIZE_SET)) { | |
08da4f77 | 2744 | BT_LOGE_STR("Missing `size` attribute in integer field type."); |
e98a2d6e PP |
2745 | ret = -EPERM; |
2746 | goto error; | |
2747 | } | |
2748 | ||
2749 | if (!_IS_SET(&set, _INTEGER_ALIGN_SET)) { | |
2750 | if (size % CHAR_BIT) { | |
2751 | /* Bit-packed alignment */ | |
2752 | alignment = 1; | |
2753 | } else { | |
2754 | /* Byte-packed alignment */ | |
2755 | alignment = CHAR_BIT; | |
2756 | } | |
2757 | } | |
2758 | ||
50842bdc | 2759 | *integer_decl = bt_field_type_integer_create((unsigned int) size); |
e98a2d6e | 2760 | if (!*integer_decl) { |
08da4f77 | 2761 | BT_LOGE_STR("Cannot create integer field type."); |
e98a2d6e PP |
2762 | ret = -ENOMEM; |
2763 | goto error; | |
2764 | } | |
2765 | ||
50842bdc PP |
2766 | ret = bt_field_type_integer_set_is_signed(*integer_decl, signedness); |
2767 | ret |= bt_field_type_integer_set_base(*integer_decl, base); | |
2768 | ret |= bt_field_type_integer_set_encoding(*integer_decl, encoding); | |
2769 | ret |= bt_field_type_set_alignment(*integer_decl, | |
e98a2d6e | 2770 | (unsigned int) alignment); |
50842bdc | 2771 | ret |= bt_field_type_set_byte_order(*integer_decl, byte_order); |
e98a2d6e PP |
2772 | |
2773 | if (mapped_clock) { | |
2774 | /* Move clock */ | |
50842bdc | 2775 | ret |= bt_field_type_integer_set_mapped_clock_class( |
e98a2d6e PP |
2776 | *integer_decl, mapped_clock); |
2777 | bt_put(mapped_clock); | |
2778 | mapped_clock = NULL; | |
2779 | } | |
2780 | ||
2781 | if (ret) { | |
08da4f77 | 2782 | BT_LOGE_STR("Cannot configure integer field type."); |
e98a2d6e PP |
2783 | ret = -EINVAL; |
2784 | goto error; | |
2785 | } | |
2786 | ||
2787 | return 0; | |
2788 | ||
2789 | error: | |
2790 | if (mapped_clock) { | |
2791 | bt_put(mapped_clock); | |
2792 | } | |
2793 | ||
2794 | BT_PUT(*integer_decl); | |
2795 | ||
2796 | return ret; | |
2797 | } | |
2798 | ||
2799 | static | |
2800 | int visit_floating_point_number_decl(struct ctx *ctx, | |
2801 | struct bt_list_head *expressions, | |
50842bdc | 2802 | struct bt_field_type **float_decl) |
e98a2d6e PP |
2803 | { |
2804 | int set = 0; | |
2805 | int ret = 0; | |
2806 | struct ctf_node *expression; | |
2807 | uint64_t alignment = 1, exp_dig = 0, mant_dig = 0; | |
50842bdc PP |
2808 | enum bt_byte_order byte_order = |
2809 | bt_trace_get_native_byte_order(ctx->trace); | |
e98a2d6e PP |
2810 | |
2811 | *float_decl = NULL; | |
2812 | ||
2813 | bt_list_for_each_entry(expression, expressions, siblings) { | |
2814 | struct ctf_node *left, *right; | |
2815 | ||
2816 | left = _BT_LIST_FIRST_ENTRY(&expression->u.ctf_expression.left, | |
2817 | struct ctf_node, siblings); | |
2818 | right = _BT_LIST_FIRST_ENTRY( | |
2819 | &expression->u.ctf_expression.right, struct ctf_node, | |
2820 | siblings); | |
2821 | ||
2822 | if (left->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
2823 | _BT_LOGE_NODE(left, |
2824 | "Unexpected unary expression type: type=%d", | |
2825 | left->u.unary_expression.type); | |
e98a2d6e PP |
2826 | ret = -EINVAL; |
2827 | goto error; | |
2828 | } | |
2829 | ||
2830 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
2831 | if (_IS_SET(&set, _FLOAT_BYTE_ORDER_SET)) { | |
28973adf | 2832 | _BT_LOGE_DUP_ATTR(left, "byte_order", |
08da4f77 | 2833 | "floating point number field type"); |
e98a2d6e PP |
2834 | ret = -EPERM; |
2835 | goto error; | |
2836 | } | |
2837 | ||
2838 | byte_order = get_real_byte_order(ctx, right); | |
50842bdc | 2839 | if (byte_order == BT_BYTE_ORDER_UNKNOWN) { |
28973adf PP |
2840 | _BT_LOGE_NODE(right, |
2841 | "Invalid `byte_order` attribute in floating point number field type: " | |
08da4f77 | 2842 | "ret=%d", ret); |
e98a2d6e PP |
2843 | ret = -EINVAL; |
2844 | goto error; | |
2845 | } | |
2846 | ||
2847 | _SET(&set, _FLOAT_BYTE_ORDER_SET); | |
2848 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2849 | "exp_dig")) { | |
2850 | if (_IS_SET(&set, _FLOAT_EXP_DIG_SET)) { | |
28973adf | 2851 | _BT_LOGE_DUP_ATTR(left, "exp_dig", |
08da4f77 | 2852 | "floating point number field type"); |
e98a2d6e PP |
2853 | ret = -EPERM; |
2854 | goto error; | |
2855 | } | |
2856 | ||
2857 | if (right->u.unary_expression.type != | |
2858 | UNARY_UNSIGNED_CONSTANT) { | |
28973adf PP |
2859 | _BT_LOGE_NODE(right, |
2860 | "Invalid `exp_dig` attribute in floating point number field type: " | |
08da4f77 PP |
2861 | "expecting unsigned constant integer: " |
2862 | "node-type=%d", | |
2863 | right->u.unary_expression.type); | |
e98a2d6e PP |
2864 | ret = -EINVAL; |
2865 | goto error; | |
2866 | } | |
2867 | ||
2868 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
2869 | _SET(&set, _FLOAT_EXP_DIG_SET); | |
2870 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2871 | "mant_dig")) { | |
2872 | if (_IS_SET(&set, _FLOAT_MANT_DIG_SET)) { | |
28973adf | 2873 | _BT_LOGE_DUP_ATTR(left, "mant_dig", |
08da4f77 | 2874 | "floating point number field type"); |
e98a2d6e PP |
2875 | ret = -EPERM; |
2876 | goto error; | |
2877 | } | |
2878 | ||
2879 | if (right->u.unary_expression.type != | |
2880 | UNARY_UNSIGNED_CONSTANT) { | |
28973adf PP |
2881 | _BT_LOGE_NODE(right, |
2882 | "Invalid `mant_dig` attribute in floating point number field type: " | |
08da4f77 PP |
2883 | "expecting unsigned constant integer: " |
2884 | "node-type=%d", | |
2885 | right->u.unary_expression.type); | |
e98a2d6e PP |
2886 | ret = -EINVAL; |
2887 | goto error; | |
2888 | } | |
2889 | ||
2890 | mant_dig = right->u.unary_expression.u. | |
2891 | unsigned_constant; | |
2892 | _SET(&set, _FLOAT_MANT_DIG_SET); | |
2893 | } else if (!strcmp(left->u.unary_expression.u.string, | |
2894 | "align")) { | |
2895 | if (_IS_SET(&set, _FLOAT_ALIGN_SET)) { | |
28973adf | 2896 | _BT_LOGE_DUP_ATTR(left, "align", |
08da4f77 | 2897 | "floating point number field type"); |
e98a2d6e PP |
2898 | ret = -EPERM; |
2899 | goto error; | |
2900 | } | |
2901 | ||
2902 | if (right->u.unary_expression.type != | |
2903 | UNARY_UNSIGNED_CONSTANT) { | |
28973adf PP |
2904 | _BT_LOGE_NODE(right, |
2905 | "Invalid `align` attribute in floating point number field type: " | |
08da4f77 PP |
2906 | "expecting unsigned constant integer: " |
2907 | "node-type=%d", | |
2908 | right->u.unary_expression.type); | |
e98a2d6e PP |
2909 | ret = -EINVAL; |
2910 | goto error; | |
2911 | } | |
2912 | ||
2913 | alignment = right->u.unary_expression.u. | |
2914 | unsigned_constant; | |
2915 | ||
2916 | if (!is_align_valid(alignment)) { | |
28973adf PP |
2917 | _BT_LOGE_NODE(right, |
2918 | "Invalid `align` attribute in floating point number field type: " | |
08da4f77 PP |
2919 | "expecting power of two: " |
2920 | "align=%" PRIu64, alignment); | |
e98a2d6e PP |
2921 | ret = -EINVAL; |
2922 | goto error; | |
2923 | } | |
2924 | ||
2925 | _SET(&set, _FLOAT_ALIGN_SET); | |
2926 | } else { | |
28973adf PP |
2927 | _BT_LOGW_NODE(left, |
2928 | "Unknown attribute in floating point number field type: " | |
08da4f77 | 2929 | "attr-name=\"%s\"", |
e98a2d6e PP |
2930 | left->u.unary_expression.u.string); |
2931 | } | |
2932 | } | |
2933 | ||
2934 | if (!_IS_SET(&set, _FLOAT_MANT_DIG_SET)) { | |
08da4f77 | 2935 | BT_LOGE_STR("Missing `mant_dig` attribute in floating point number field type."); |
e98a2d6e PP |
2936 | ret = -EPERM; |
2937 | goto error; | |
2938 | } | |
2939 | ||
2940 | if (!_IS_SET(&set, _FLOAT_EXP_DIG_SET)) { | |
08da4f77 | 2941 | BT_LOGE_STR("Missing `exp_dig` attribute in floating point number field type."); |
e98a2d6e PP |
2942 | ret = -EPERM; |
2943 | goto error; | |
2944 | } | |
2945 | ||
2946 | if (!_IS_SET(&set, _INTEGER_ALIGN_SET)) { | |
2947 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
2948 | /* Bit-packed alignment */ | |
2949 | alignment = 1; | |
2950 | } else { | |
2951 | /* Byte-packed alignment */ | |
2952 | alignment = CHAR_BIT; | |
2953 | } | |
2954 | } | |
2955 | ||
50842bdc | 2956 | *float_decl = bt_field_type_floating_point_create(); |
e98a2d6e | 2957 | if (!*float_decl) { |
08da4f77 | 2958 | BT_LOGE_STR("Cannot create floating point number field type."); |
e98a2d6e PP |
2959 | ret = -ENOMEM; |
2960 | goto error; | |
2961 | } | |
2962 | ||
50842bdc | 2963 | ret = bt_field_type_floating_point_set_exponent_digits( |
e98a2d6e | 2964 | *float_decl, exp_dig); |
50842bdc | 2965 | ret |= bt_field_type_floating_point_set_mantissa_digits( |
e98a2d6e | 2966 | *float_decl, mant_dig); |
50842bdc PP |
2967 | ret |= bt_field_type_set_byte_order(*float_decl, byte_order); |
2968 | ret |= bt_field_type_set_alignment(*float_decl, alignment); | |
e98a2d6e | 2969 | if (ret) { |
08da4f77 | 2970 | BT_LOGE_STR("Cannot configure floating point number field type."); |
e98a2d6e PP |
2971 | ret = -EINVAL; |
2972 | goto error; | |
2973 | } | |
2974 | ||
2975 | return 0; | |
2976 | ||
2977 | error: | |
2978 | BT_PUT(*float_decl); | |
2979 | ||
2980 | return ret; | |
2981 | } | |
2982 | ||
2983 | static | |
2984 | int visit_string_decl(struct ctx *ctx, | |
2985 | struct bt_list_head *expressions, | |
50842bdc | 2986 | struct bt_field_type **string_decl) |
e98a2d6e PP |
2987 | { |
2988 | int set = 0; | |
2989 | int ret = 0; | |
2990 | struct ctf_node *expression; | |
50842bdc | 2991 | enum bt_string_encoding encoding = BT_STRING_ENCODING_UTF8; |
e98a2d6e PP |
2992 | |
2993 | *string_decl = NULL; | |
2994 | ||
2995 | bt_list_for_each_entry(expression, expressions, siblings) { | |
2996 | struct ctf_node *left, *right; | |
2997 | ||
2998 | left = _BT_LIST_FIRST_ENTRY(&expression->u.ctf_expression.left, | |
2999 | struct ctf_node, siblings); | |
3000 | right = _BT_LIST_FIRST_ENTRY( | |
3001 | &expression->u.ctf_expression.right, struct ctf_node, | |
3002 | siblings); | |
3003 | ||
3004 | if (left->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
3005 | _BT_LOGE_NODE(left, |
3006 | "Unexpected unary expression type: type=%d", | |
3007 | left->u.unary_expression.type); | |
e98a2d6e PP |
3008 | ret = -EINVAL; |
3009 | goto error; | |
3010 | } | |
3011 | ||
3012 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
3013 | char *s_right; | |
3014 | ||
3015 | if (_IS_SET(&set, _STRING_ENCODING_SET)) { | |
28973adf | 3016 | _BT_LOGE_DUP_ATTR(left, "encoding", |
08da4f77 | 3017 | "string field type"); |
e98a2d6e PP |
3018 | ret = -EPERM; |
3019 | goto error; | |
3020 | } | |
3021 | ||
3022 | if (right->u.unary_expression.type != UNARY_STRING) { | |
28973adf PP |
3023 | _BT_LOGE_NODE(right, |
3024 | "Invalid `encoding` attribute in string field type: " | |
08da4f77 | 3025 | "expecting unary string."); |
e98a2d6e PP |
3026 | ret = -EINVAL; |
3027 | goto error; | |
3028 | } | |
3029 | ||
3030 | s_right = concatenate_unary_strings( | |
3031 | &expression->u.ctf_expression.right); | |
3032 | if (!s_right) { | |
28973adf PP |
3033 | _BT_LOGE_NODE(right, |
3034 | "Unexpected unary expression for string field type's `encoding` attribute."); | |
e98a2d6e PP |
3035 | ret = -EINVAL; |
3036 | goto error; | |
3037 | } | |
3038 | ||
3039 | if (!strcmp(s_right, "UTF8") || | |
3040 | !strcmp(s_right, "utf8") || | |
3041 | !strcmp(s_right, "utf-8") || | |
3042 | !strcmp(s_right, "UTF-8")) { | |
50842bdc | 3043 | encoding = BT_STRING_ENCODING_UTF8; |
e98a2d6e PP |
3044 | } else if (!strcmp(s_right, "ASCII") || |
3045 | !strcmp(s_right, "ascii")) { | |
50842bdc | 3046 | encoding = BT_STRING_ENCODING_ASCII; |
e98a2d6e | 3047 | } else if (!strcmp(s_right, "none")) { |
50842bdc | 3048 | encoding = BT_STRING_ENCODING_NONE; |
e98a2d6e | 3049 | } else { |
28973adf PP |
3050 | _BT_LOGE_NODE(right, |
3051 | "Invalid `encoding` attribute in string field type: " | |
08da4f77 | 3052 | "unknown encoding: encoding=\"%s\"", |
e98a2d6e PP |
3053 | s_right); |
3054 | g_free(s_right); | |
3055 | ret = -EINVAL; | |
3056 | goto error; | |
3057 | } | |
3058 | ||
3059 | g_free(s_right); | |
3060 | _SET(&set, _STRING_ENCODING_SET); | |
3061 | } else { | |
28973adf PP |
3062 | _BT_LOGW_NODE(left, |
3063 | "Unknown attribute in string field type: " | |
08da4f77 | 3064 | "attr-name=\"%s\"", |
e98a2d6e PP |
3065 | left->u.unary_expression.u.string); |
3066 | } | |
3067 | } | |
3068 | ||
50842bdc | 3069 | *string_decl = bt_field_type_string_create(); |
e98a2d6e | 3070 | if (!*string_decl) { |
08da4f77 | 3071 | BT_LOGE_STR("Cannot create string field type."); |
e98a2d6e PP |
3072 | ret = -ENOMEM; |
3073 | goto error; | |
3074 | } | |
3075 | ||
50842bdc | 3076 | ret = bt_field_type_string_set_encoding(*string_decl, encoding); |
e98a2d6e | 3077 | if (ret) { |
08da4f77 | 3078 | BT_LOGE_STR("Cannot configure string field type."); |
e98a2d6e PP |
3079 | ret = -EINVAL; |
3080 | goto error; | |
3081 | } | |
3082 | ||
3083 | return 0; | |
3084 | ||
3085 | error: | |
3086 | BT_PUT(*string_decl); | |
3087 | ||
3088 | return ret; | |
3089 | } | |
3090 | ||
3091 | static | |
3092 | int visit_type_specifier_list(struct ctx *ctx, | |
3093 | struct ctf_node *ts_list, | |
50842bdc | 3094 | struct bt_field_type **decl) |
e98a2d6e PP |
3095 | { |
3096 | int ret = 0; | |
3097 | struct ctf_node *first, *node; | |
3098 | ||
3099 | *decl = NULL; | |
3100 | ||
3101 | if (ts_list->type != NODE_TYPE_SPECIFIER_LIST) { | |
28973adf PP |
3102 | _BT_LOGE_NODE(ts_list, |
3103 | "Unexpected node type: node-type=%d", ts_list->type); | |
e98a2d6e PP |
3104 | ret = -EINVAL; |
3105 | goto error; | |
3106 | } | |
3107 | ||
3108 | first = _BT_LIST_FIRST_ENTRY(&ts_list->u.type_specifier_list.head, | |
3109 | struct ctf_node, siblings); | |
3110 | if (first->type != NODE_TYPE_SPECIFIER) { | |
28973adf PP |
3111 | _BT_LOGE_NODE(first, |
3112 | "Unexpected node type: node-type=%d", first->type); | |
e98a2d6e PP |
3113 | ret = -EINVAL; |
3114 | goto error; | |
3115 | } | |
3116 | ||
3117 | node = first->u.type_specifier.node; | |
3118 | ||
3119 | switch (first->u.type_specifier.type) { | |
3120 | case TYPESPEC_INTEGER: | |
3121 | ret = visit_integer_decl(ctx, &node->u.integer.expressions, | |
3122 | decl); | |
3123 | if (ret) { | |
f6ccaed9 | 3124 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3125 | goto error; |
3126 | } | |
3127 | break; | |
3128 | case TYPESPEC_FLOATING_POINT: | |
3129 | ret = visit_floating_point_number_decl(ctx, | |
3130 | &node->u.floating_point.expressions, decl); | |
3131 | if (ret) { | |
f6ccaed9 | 3132 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3133 | goto error; |
3134 | } | |
3135 | break; | |
3136 | case TYPESPEC_STRING: | |
3137 | ret = visit_string_decl(ctx, | |
3138 | &node->u.string.expressions, decl); | |
3139 | if (ret) { | |
f6ccaed9 | 3140 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3141 | goto error; |
3142 | } | |
3143 | break; | |
3144 | case TYPESPEC_STRUCT: | |
3145 | ret = visit_struct_decl(ctx, node->u._struct.name, | |
3146 | &node->u._struct.declaration_list, | |
3147 | node->u._struct.has_body, | |
3148 | &node->u._struct.min_align, decl); | |
3149 | if (ret) { | |
f6ccaed9 | 3150 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3151 | goto error; |
3152 | } | |
3153 | break; | |
3154 | case TYPESPEC_VARIANT: | |
3155 | ret = visit_variant_decl(ctx, node->u.variant.name, | |
3156 | node->u.variant.choice, | |
3157 | &node->u.variant.declaration_list, | |
3158 | node->u.variant.has_body, decl); | |
3159 | if (ret) { | |
f6ccaed9 | 3160 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3161 | goto error; |
3162 | } | |
3163 | break; | |
3164 | case TYPESPEC_ENUM: | |
3165 | ret = visit_enum_decl(ctx, node->u._enum.enum_id, | |
3166 | node->u._enum.container_type, | |
3167 | &node->u._enum.enumerator_list, | |
3168 | node->u._enum.has_body, decl); | |
3169 | if (ret) { | |
f6ccaed9 | 3170 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3171 | goto error; |
3172 | } | |
3173 | break; | |
3174 | case TYPESPEC_VOID: | |
3175 | case TYPESPEC_CHAR: | |
3176 | case TYPESPEC_SHORT: | |
3177 | case TYPESPEC_INT: | |
3178 | case TYPESPEC_LONG: | |
3179 | case TYPESPEC_FLOAT: | |
3180 | case TYPESPEC_DOUBLE: | |
3181 | case TYPESPEC_SIGNED: | |
3182 | case TYPESPEC_UNSIGNED: | |
3183 | case TYPESPEC_BOOL: | |
3184 | case TYPESPEC_COMPLEX: | |
3185 | case TYPESPEC_IMAGINARY: | |
3186 | case TYPESPEC_CONST: | |
3187 | case TYPESPEC_ID_TYPE: | |
3188 | ret = visit_type_specifier(ctx, ts_list, decl); | |
3189 | if (ret) { | |
28973adf PP |
3190 | _BT_LOGE_NODE(first, |
3191 | "Cannot visit type specifier: ret=%d", | |
3192 | ret); | |
f6ccaed9 | 3193 | BT_ASSERT(!*decl); |
e98a2d6e PP |
3194 | goto error; |
3195 | } | |
3196 | break; | |
3197 | default: | |
28973adf PP |
3198 | _BT_LOGE_NODE(first, |
3199 | "Unexpected type specifier type: node-type=%d", | |
08da4f77 | 3200 | first->u.type_specifier.type); |
e98a2d6e PP |
3201 | ret = -EINVAL; |
3202 | goto error; | |
3203 | } | |
3204 | ||
f6ccaed9 | 3205 | BT_ASSERT(*decl); |
e98a2d6e PP |
3206 | |
3207 | return 0; | |
3208 | ||
3209 | error: | |
3210 | BT_PUT(*decl); | |
3211 | ||
3212 | return ret; | |
3213 | } | |
3214 | ||
3215 | static | |
3216 | int visit_event_decl_entry(struct ctx *ctx, struct ctf_node *node, | |
50842bdc | 3217 | struct bt_event_class *event_class, int64_t *stream_id, |
e98a2d6e PP |
3218 | int *set) |
3219 | { | |
3220 | int ret = 0; | |
3221 | char *left = NULL; | |
50842bdc | 3222 | _BT_FIELD_TYPE_INIT(decl); |
e98a2d6e PP |
3223 | |
3224 | switch (node->type) { | |
3225 | case NODE_TYPEDEF: | |
3226 | ret = visit_typedef(ctx, node->u._typedef.type_specifier_list, | |
3227 | &node->u._typedef.type_declarators); | |
3228 | if (ret) { | |
28973adf PP |
3229 | _BT_LOGE_NODE(node, |
3230 | "Cannot add type definition found in event class."); | |
e98a2d6e PP |
3231 | goto error; |
3232 | } | |
3233 | break; | |
3234 | case NODE_TYPEALIAS: | |
3235 | ret = visit_typealias(ctx, node->u.typealias.target, | |
3236 | node->u.typealias.alias); | |
3237 | if (ret) { | |
28973adf PP |
3238 | _BT_LOGE_NODE(node, |
3239 | "Cannot add type alias found in event class."); | |
e98a2d6e PP |
3240 | goto error; |
3241 | } | |
3242 | break; | |
3243 | case NODE_CTF_EXPRESSION: | |
3244 | { | |
3245 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
3246 | if (!left) { | |
28973adf | 3247 | _BT_LOGE_NODE(node, "Cannot concatenate unary strings."); |
e98a2d6e PP |
3248 | ret = -EINVAL; |
3249 | goto error; | |
3250 | } | |
3251 | ||
3252 | if (!strcmp(left, "name")) { | |
3253 | /* This is already known at this stage */ | |
3254 | if (_IS_SET(set, _EVENT_NAME_SET)) { | |
28973adf PP |
3255 | _BT_LOGE_DUP_ATTR(node, "name", |
3256 | "event class"); | |
e98a2d6e PP |
3257 | ret = -EPERM; |
3258 | goto error; | |
3259 | } | |
3260 | ||
3261 | _SET(set, _EVENT_NAME_SET); | |
3262 | } else if (!strcmp(left, "id")) { | |
bc85036f | 3263 | int64_t id = -1; |
e98a2d6e PP |
3264 | |
3265 | if (_IS_SET(set, _EVENT_ID_SET)) { | |
28973adf PP |
3266 | _BT_LOGE_DUP_ATTR(node, "id", |
3267 | "event class"); | |
e98a2d6e PP |
3268 | ret = -EPERM; |
3269 | goto error; | |
3270 | } | |
3271 | ||
3272 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3273 | (uint64_t *) &id); | |
5eae0c3c JG |
3274 | /* Only read "id" if get_unary_unsigned() succeeded. */ |
3275 | if (ret || (!ret && id < 0)) { | |
28973adf PP |
3276 | _BT_LOGE_NODE(node, |
3277 | "Unexpected unary expression for event class's `id` attribute."); | |
e98a2d6e PP |
3278 | ret = -EINVAL; |
3279 | goto error; | |
3280 | } | |
3281 | ||
50842bdc | 3282 | ret = bt_event_class_set_id(event_class, id); |
e98a2d6e | 3283 | if (ret) { |
28973adf PP |
3284 | _BT_LOGE_NODE(node, |
3285 | "Cannot set event class's ID: " | |
08da4f77 | 3286 | "id=%" PRId64, id); |
e98a2d6e PP |
3287 | goto error; |
3288 | } | |
3289 | ||
3290 | _SET(set, _EVENT_ID_SET); | |
3291 | } else if (!strcmp(left, "stream_id")) { | |
3292 | if (_IS_SET(set, _EVENT_STREAM_ID_SET)) { | |
28973adf | 3293 | _BT_LOGE_DUP_ATTR(node, "stream_id", |
08da4f77 | 3294 | "event class"); |
e98a2d6e PP |
3295 | ret = -EPERM; |
3296 | goto error; | |
3297 | } | |
3298 | ||
3299 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
3300 | (uint64_t *) stream_id); | |
5eae0c3c JG |
3301 | /* |
3302 | * Only read "stream_id" if get_unary_unsigned() | |
3303 | * succeeded. | |
3304 | */ | |
3305 | if (ret || (!ret && *stream_id < 0)) { | |
28973adf PP |
3306 | _BT_LOGE_NODE(node, |
3307 | "Unexpected unary expression for event class's `stream_id` attribute."); | |
e98a2d6e PP |
3308 | ret = -EINVAL; |
3309 | goto error; | |
3310 | } | |
3311 | ||
3312 | _SET(set, _EVENT_STREAM_ID_SET); | |
3313 | } else if (!strcmp(left, "context")) { | |
3314 | if (_IS_SET(set, _EVENT_CONTEXT_SET)) { | |
28973adf PP |
3315 | _BT_LOGE_NODE(node, |
3316 | "Duplicate `context` entry in event class."); | |
e98a2d6e PP |
3317 | ret = -EPERM; |
3318 | goto error; | |
3319 | } | |
3320 | ||
3321 | ret = visit_type_specifier_list(ctx, | |
3322 | _BT_LIST_FIRST_ENTRY( | |
3323 | &node->u.ctf_expression.right, | |
3324 | struct ctf_node, siblings), | |
3325 | &decl); | |
3326 | if (ret) { | |
28973adf PP |
3327 | _BT_LOGE_NODE(node, |
3328 | "Cannot create event class's context field type."); | |
e98a2d6e PP |
3329 | goto error; |
3330 | } | |
3331 | ||
f6ccaed9 | 3332 | BT_ASSERT(decl); |
3dca2276 | 3333 | ret = bt_event_class_set_context_field_type( |
e98a2d6e PP |
3334 | event_class, decl); |
3335 | BT_PUT(decl); | |
3336 | if (ret) { | |
28973adf PP |
3337 | _BT_LOGE_NODE(node, |
3338 | "Cannot set event class's context field type."); | |
e98a2d6e PP |
3339 | goto error; |
3340 | } | |
3341 | ||
3342 | _SET(set, _EVENT_CONTEXT_SET); | |
3343 | } else if (!strcmp(left, "fields")) { | |
3344 | if (_IS_SET(set, _EVENT_FIELDS_SET)) { | |
28973adf PP |
3345 | _BT_LOGE_NODE(node, |
3346 | "Duplicate `fields` entry in event class."); | |
e98a2d6e PP |
3347 | ret = -EPERM; |
3348 | goto error; | |
3349 | } | |
3350 | ||
3351 | ret = visit_type_specifier_list(ctx, | |
3352 | _BT_LIST_FIRST_ENTRY( | |
3353 | &node->u.ctf_expression.right, | |
3354 | struct ctf_node, siblings), | |
3355 | &decl); | |
3356 | if (ret) { | |
28973adf PP |
3357 | _BT_LOGE_NODE(node, |
3358 | "Cannot create event class's payload field type."); | |
e98a2d6e PP |
3359 | goto error; |
3360 | } | |
3361 | ||
f6ccaed9 | 3362 | BT_ASSERT(decl); |
3dca2276 | 3363 | ret = bt_event_class_set_payload_field_type( |
e98a2d6e PP |
3364 | event_class, decl); |
3365 | BT_PUT(decl); | |
3366 | if (ret) { | |
28973adf PP |
3367 | _BT_LOGE_NODE(node, |
3368 | "Cannot set event class's payload field type."); | |
e98a2d6e PP |
3369 | goto error; |
3370 | } | |
3371 | ||
3372 | _SET(set, _EVENT_FIELDS_SET); | |
3373 | } else if (!strcmp(left, "loglevel")) { | |
c3c30b08 | 3374 | uint64_t loglevel_value; |
50842bdc PP |
3375 | enum bt_event_class_log_level log_level = |
3376 | BT_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED; | |
e98a2d6e PP |
3377 | |
3378 | if (_IS_SET(set, _EVENT_LOGLEVEL_SET)) { | |
28973adf | 3379 | _BT_LOGE_DUP_ATTR(node, "loglevel", |
08da4f77 | 3380 | "event class"); |
e98a2d6e PP |
3381 | ret = -EPERM; |
3382 | goto error; | |
3383 | } | |
3384 | ||
3385 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
c3c30b08 | 3386 | &loglevel_value); |
e98a2d6e | 3387 | if (ret) { |
28973adf PP |
3388 | _BT_LOGE_NODE(node, |
3389 | "Unexpected unary expression for event class's `loglevel` attribute."); | |
e98a2d6e PP |
3390 | ret = -EINVAL; |
3391 | goto error; | |
3392 | } | |
cf76ce92 PP |
3393 | |
3394 | switch (loglevel_value) { | |
3395 | case 0: | |
50842bdc | 3396 | log_level = BT_EVENT_CLASS_LOG_LEVEL_EMERGENCY; |
cf76ce92 PP |
3397 | break; |
3398 | case 1: | |
50842bdc | 3399 | log_level = BT_EVENT_CLASS_LOG_LEVEL_ALERT; |
cf76ce92 PP |
3400 | break; |
3401 | case 2: | |
50842bdc | 3402 | log_level = BT_EVENT_CLASS_LOG_LEVEL_CRITICAL; |
cf76ce92 PP |
3403 | break; |
3404 | case 3: | |
50842bdc | 3405 | log_level = BT_EVENT_CLASS_LOG_LEVEL_ERROR; |
cf76ce92 PP |
3406 | break; |
3407 | case 4: | |
50842bdc | 3408 | log_level = BT_EVENT_CLASS_LOG_LEVEL_WARNING; |
cf76ce92 PP |
3409 | break; |
3410 | case 5: | |
50842bdc | 3411 | log_level = BT_EVENT_CLASS_LOG_LEVEL_NOTICE; |
cf76ce92 PP |
3412 | break; |
3413 | case 6: | |
50842bdc | 3414 | log_level = BT_EVENT_CLASS_LOG_LEVEL_INFO; |
cf76ce92 PP |
3415 | break; |
3416 | case 7: | |
50842bdc | 3417 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM; |
cf76ce92 PP |
3418 | break; |
3419 | case 8: | |
50842bdc | 3420 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM; |
cf76ce92 PP |
3421 | break; |
3422 | case 9: | |
50842bdc | 3423 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS; |
cf76ce92 PP |
3424 | break; |
3425 | case 10: | |
50842bdc | 3426 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE; |
cf76ce92 PP |
3427 | break; |
3428 | case 11: | |
50842bdc | 3429 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT; |
cf76ce92 PP |
3430 | break; |
3431 | case 12: | |
50842bdc | 3432 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION; |
cf76ce92 PP |
3433 | break; |
3434 | case 13: | |
50842bdc | 3435 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE; |
cf76ce92 PP |
3436 | break; |
3437 | case 14: | |
50842bdc | 3438 | log_level = BT_EVENT_CLASS_LOG_LEVEL_DEBUG; |
cf76ce92 PP |
3439 | break; |
3440 | default: | |
3441 | _BT_LOGW_NODE(node, "Not setting event class's log level because its value is unknown: " | |
3442 | "log-level=%" PRIu64, loglevel_value); | |
c3c30b08 | 3443 | } |
cf76ce92 | 3444 | |
50842bdc PP |
3445 | if (log_level != BT_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED) { |
3446 | ret = bt_event_class_set_log_level( | |
cf76ce92 PP |
3447 | event_class, log_level); |
3448 | if (ret) { | |
28973adf | 3449 | _BT_LOGE_NODE(node, |
cf76ce92 | 3450 | "Cannot set event class's log level."); |
c3c30b08 MD |
3451 | goto error; |
3452 | } | |
c3c30b08 | 3453 | } |
cf76ce92 | 3454 | |
e98a2d6e PP |
3455 | _SET(set, _EVENT_LOGLEVEL_SET); |
3456 | } else if (!strcmp(left, "model.emf.uri")) { | |
3457 | char *right; | |
3458 | ||
3459 | if (_IS_SET(set, _EVENT_MODEL_EMF_URI_SET)) { | |
28973adf PP |
3460 | _BT_LOGE_DUP_ATTR(node, "model.emf.uri", |
3461 | "event class"); | |
e98a2d6e PP |
3462 | ret = -EPERM; |
3463 | goto error; | |
3464 | } | |
3465 | ||
3466 | right = concatenate_unary_strings( | |
3467 | &node->u.ctf_expression.right); | |
3468 | if (!right) { | |
28973adf PP |
3469 | _BT_LOGE_NODE(node, |
3470 | "Unexpected unary expression for event class's `model.emf.uri` attribute."); | |
e98a2d6e PP |
3471 | ret = -EINVAL; |
3472 | goto error; | |
3473 | } | |
3474 | ||
cf76ce92 PP |
3475 | if (strlen(right) == 0) { |
3476 | _BT_LOGW_NODE(node, | |
3477 | "Not setting event class's EMF URI because it's empty."); | |
3478 | } else { | |
50842bdc | 3479 | ret = bt_event_class_set_emf_uri( |
cf76ce92 PP |
3480 | event_class, right); |
3481 | if (ret) { | |
3482 | _BT_LOGE_NODE(node, | |
3483 | "Cannot set event class's EMF URI."); | |
3484 | goto error; | |
3485 | } | |
28973adf | 3486 | } |
cf76ce92 | 3487 | |
e98a2d6e PP |
3488 | g_free(right); |
3489 | _SET(set, _EVENT_MODEL_EMF_URI_SET); | |
3490 | } else { | |
28973adf PP |
3491 | _BT_LOGW_NODE(node, |
3492 | "Unknown attribute in event class: " | |
08da4f77 | 3493 | "attr-name=\"%s\"", left); |
e98a2d6e PP |
3494 | } |
3495 | ||
3496 | g_free(left); | |
3497 | left = NULL; | |
3498 | break; | |
3499 | } | |
3500 | default: | |
3501 | ret = -EPERM; | |
3502 | goto error; | |
3503 | } | |
3504 | ||
3505 | return 0; | |
3506 | ||
3507 | error: | |
3508 | if (left) { | |
3509 | g_free(left); | |
3510 | } | |
3511 | ||
3512 | BT_PUT(decl); | |
3513 | ||
3514 | return ret; | |
3515 | } | |
3516 | ||
3517 | static | |
3518 | char *get_event_decl_name(struct ctx *ctx, struct ctf_node *node) | |
3519 | { | |
3520 | char *left = NULL; | |
3521 | char *name = NULL; | |
3522 | struct ctf_node *iter; | |
3523 | struct bt_list_head *decl_list = &node->u.event.declaration_list; | |
3524 | ||
3525 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
3526 | if (iter->type != NODE_CTF_EXPRESSION) { | |
3527 | continue; | |
3528 | } | |
3529 | ||
3530 | left = concatenate_unary_strings(&iter->u.ctf_expression.left); | |
3531 | if (!left) { | |
28973adf PP |
3532 | _BT_LOGE_NODE(iter, |
3533 | "Cannot concatenate unary strings."); | |
e98a2d6e PP |
3534 | goto error; |
3535 | } | |
3536 | ||
3537 | if (!strcmp(left, "name")) { | |
3538 | name = concatenate_unary_strings( | |
3539 | &iter->u.ctf_expression.right); | |
3540 | if (!name) { | |
28973adf PP |
3541 | _BT_LOGE_NODE(iter, |
3542 | "Unexpected unary expression for event class's `name` attribute."); | |
e98a2d6e PP |
3543 | goto error; |
3544 | } | |
3545 | } | |
3546 | ||
3547 | g_free(left); | |
3548 | left = NULL; | |
3549 | ||
3550 | if (name) { | |
3551 | break; | |
3552 | } | |
3553 | } | |
3554 | ||
3555 | return name; | |
3556 | ||
3557 | error: | |
3558 | g_free(left); | |
3559 | ||
3560 | return NULL; | |
3561 | } | |
3562 | ||
3563 | static | |
3564 | int reset_event_decl_types(struct ctx *ctx, | |
50842bdc | 3565 | struct bt_event_class *event_class) |
e98a2d6e PP |
3566 | { |
3567 | int ret = 0; | |
e98a2d6e | 3568 | |
835b2d10 | 3569 | /* Context type. */ |
3dca2276 | 3570 | ret = bt_event_class_set_context_field_type(event_class, NULL); |
e98a2d6e | 3571 | if (ret) { |
28973adf PP |
3572 | BT_LOGE("Cannot reset initial event class's context field type: " |
3573 | "event-name=\"%s\"", | |
50842bdc | 3574 | bt_event_class_get_name(event_class)); |
835b2d10 | 3575 | goto end; |
e98a2d6e PP |
3576 | } |
3577 | ||
835b2d10 | 3578 | /* Event payload. */ |
3dca2276 | 3579 | ret = bt_event_class_set_payload_field_type(event_class, NULL); |
e98a2d6e | 3580 | if (ret) { |
28973adf PP |
3581 | BT_LOGE("Cannot reset initial event class's payload field type: " |
3582 | "event-name=\"%s\"", | |
50842bdc | 3583 | bt_event_class_get_name(event_class)); |
835b2d10 | 3584 | goto end; |
e98a2d6e | 3585 | } |
835b2d10 | 3586 | end: |
e98a2d6e PP |
3587 | return ret; |
3588 | } | |
3589 | ||
3590 | static | |
3591 | int reset_stream_decl_types(struct ctx *ctx, | |
50842bdc | 3592 | struct bt_stream_class *stream_class) |
e98a2d6e PP |
3593 | { |
3594 | int ret = 0; | |
e98a2d6e | 3595 | |
835b2d10 | 3596 | /* Packet context. */ |
3dca2276 | 3597 | ret = bt_stream_class_set_packet_context_field_type(stream_class, NULL); |
e98a2d6e | 3598 | if (ret) { |
08da4f77 | 3599 | BT_LOGE_STR("Cannot reset initial stream class's packet context field type."); |
835b2d10 | 3600 | goto end; |
e98a2d6e PP |
3601 | } |
3602 | ||
835b2d10 | 3603 | /* Event header. */ |
3dca2276 | 3604 | ret = bt_stream_class_set_event_header_field_type(stream_class, NULL); |
e98a2d6e | 3605 | if (ret) { |
08da4f77 | 3606 | BT_LOGE_STR("Cannot reset initial stream class's event header field type."); |
835b2d10 | 3607 | goto end; |
e98a2d6e PP |
3608 | } |
3609 | ||
835b2d10 | 3610 | /* Event context. */ |
3dca2276 | 3611 | ret = bt_stream_class_set_event_context_field_type(stream_class, NULL); |
e98a2d6e | 3612 | if (ret) { |
08da4f77 | 3613 | BT_LOGE_STR("Cannot reset initial stream class's event context field type."); |
835b2d10 | 3614 | goto end; |
e98a2d6e | 3615 | } |
835b2d10 | 3616 | end: |
e98a2d6e PP |
3617 | return ret; |
3618 | } | |
3619 | ||
3620 | static | |
50842bdc | 3621 | struct bt_stream_class *create_reset_stream_class(struct ctx *ctx) |
e98a2d6e PP |
3622 | { |
3623 | int ret; | |
50842bdc | 3624 | struct bt_stream_class *stream_class; |
e98a2d6e | 3625 | |
3dca2276 | 3626 | stream_class = bt_stream_class_create(NULL); |
e98a2d6e | 3627 | if (!stream_class) { |
08da4f77 | 3628 | BT_LOGE_STR("Cannot create empty stream class."); |
e98a2d6e PP |
3629 | goto error; |
3630 | } | |
3631 | ||
3632 | /* | |
835b2d10 JG |
3633 | * Set packet context, event header, and event context to NULL to |
3634 | * override the default ones. | |
e98a2d6e PP |
3635 | */ |
3636 | ret = reset_stream_decl_types(ctx, stream_class); | |
3637 | if (ret) { | |
3638 | goto error; | |
3639 | } | |
3640 | ||
3641 | return stream_class; | |
3642 | ||
3643 | error: | |
3644 | BT_PUT(stream_class); | |
3645 | ||
3646 | return NULL; | |
3647 | } | |
3648 | ||
3649 | static | |
3650 | int visit_event_decl(struct ctx *ctx, struct ctf_node *node) | |
3651 | { | |
3652 | int ret = 0; | |
3653 | int set = 0; | |
3654 | int64_t event_id; | |
3655 | struct ctf_node *iter; | |
3656 | int64_t stream_id = -1; | |
3657 | char *event_name = NULL; | |
50842bdc PP |
3658 | struct bt_event_class *event_class = NULL; |
3659 | struct bt_event_class *eevent_class; | |
3660 | struct bt_stream_class *stream_class = NULL; | |
e98a2d6e | 3661 | struct bt_list_head *decl_list = &node->u.event.declaration_list; |
1e649dff | 3662 | bool pop_scope = false; |
e98a2d6e PP |
3663 | |
3664 | if (node->visited) { | |
3665 | goto end; | |
3666 | } | |
3667 | ||
3668 | node->visited = TRUE; | |
3669 | event_name = get_event_decl_name(ctx, node); | |
3670 | if (!event_name) { | |
28973adf PP |
3671 | _BT_LOGE_NODE(node, |
3672 | "Missing `name` attribute in event class."); | |
e98a2d6e PP |
3673 | ret = -EPERM; |
3674 | goto error; | |
3675 | } | |
3676 | ||
50842bdc | 3677 | event_class = bt_event_class_create(event_name); |
e98a2d6e PP |
3678 | |
3679 | /* | |
835b2d10 | 3680 | * Unset context and fields to override the default ones. |
e98a2d6e PP |
3681 | */ |
3682 | ret = reset_event_decl_types(ctx, event_class); | |
3683 | if (ret) { | |
28973adf PP |
3684 | _BT_LOGE_NODE(node, |
3685 | "Cannot reset event class's field types: " | |
3686 | "ret=%d", ret); | |
e98a2d6e PP |
3687 | goto error; |
3688 | } | |
3689 | ||
e98a2d6e PP |
3690 | ret = ctx_push_scope(ctx); |
3691 | if (ret) { | |
08da4f77 | 3692 | BT_LOGE_STR("Cannot push scope."); |
e98a2d6e PP |
3693 | goto error; |
3694 | } | |
3695 | ||
1e649dff PP |
3696 | pop_scope = true; |
3697 | ||
e98a2d6e PP |
3698 | bt_list_for_each_entry(iter, decl_list, siblings) { |
3699 | ret = visit_event_decl_entry(ctx, iter, event_class, | |
3700 | &stream_id, &set); | |
3701 | if (ret) { | |
28973adf PP |
3702 | _BT_LOGE_NODE(iter, "Cannot visit event class's entry: " |
3703 | "ret=%d", ret); | |
e98a2d6e PP |
3704 | goto error; |
3705 | } | |
3706 | } | |
3707 | ||
3708 | if (!_IS_SET(&set, _EVENT_STREAM_ID_SET)) { | |
3709 | GList *keys = NULL; | |
942c0e8f | 3710 | int64_t *new_stream_id; |
50842bdc | 3711 | struct bt_stream_class *new_stream_class; |
1e649dff PP |
3712 | size_t stream_class_count = |
3713 | g_hash_table_size(ctx->stream_classes) + | |
50842bdc | 3714 | bt_trace_get_stream_class_count(ctx->trace); |
e98a2d6e | 3715 | |
1e649dff PP |
3716 | /* |
3717 | * Allow missing stream_id if there is only a single | |
3718 | * stream class. | |
3719 | */ | |
3720 | switch (stream_class_count) { | |
e98a2d6e | 3721 | case 0: |
1e649dff | 3722 | /* Create implicit stream class if there's none */ |
7b4b1ba2 | 3723 | stream_id = 0; |
e98a2d6e PP |
3724 | new_stream_class = create_reset_stream_class(ctx); |
3725 | if (!new_stream_class) { | |
28973adf PP |
3726 | _BT_LOGE_NODE(node, |
3727 | "Cannot create empty stream class."); | |
e98a2d6e PP |
3728 | ret = -EINVAL; |
3729 | goto error; | |
3730 | } | |
3731 | ||
50842bdc | 3732 | ret = bt_stream_class_set_id(new_stream_class, |
7b4b1ba2 | 3733 | stream_id); |
e98a2d6e | 3734 | if (ret) { |
28973adf PP |
3735 | _BT_LOGE_NODE(node, |
3736 | "Cannot set stream class's ID: " | |
08da4f77 | 3737 | "id=0, ret=%d", ret); |
e98a2d6e PP |
3738 | BT_PUT(new_stream_class); |
3739 | goto error; | |
3740 | } | |
3741 | ||
942c0e8f MJ |
3742 | new_stream_id = g_new0(int64_t, 1); |
3743 | if (!new_stream_id) { | |
3744 | BT_LOGE_STR("Failed to allocate a int64_t."); | |
3745 | ret = -ENOMEM; | |
3746 | goto error; | |
3747 | } | |
e98a2d6e | 3748 | |
7b4b1ba2 PP |
3749 | *new_stream_id = stream_id; |
3750 | ||
e98a2d6e PP |
3751 | /* Move reference to visitor's context */ |
3752 | g_hash_table_insert(ctx->stream_classes, | |
942c0e8f MJ |
3753 | new_stream_id, new_stream_class); |
3754 | new_stream_id = NULL; | |
e98a2d6e | 3755 | new_stream_class = NULL; |
e98a2d6e PP |
3756 | break; |
3757 | case 1: | |
1e649dff PP |
3758 | /* Single stream class: get its ID */ |
3759 | if (g_hash_table_size(ctx->stream_classes) == 1) { | |
3760 | keys = g_hash_table_get_keys(ctx->stream_classes); | |
942c0e8f | 3761 | stream_id = *((int64_t *) keys->data); |
1e649dff PP |
3762 | g_list_free(keys); |
3763 | } else { | |
f6ccaed9 | 3764 | BT_ASSERT(bt_trace_get_stream_class_count( |
1e649dff | 3765 | ctx->trace) == 1); |
9ac68eb1 | 3766 | stream_class = |
50842bdc | 3767 | bt_trace_get_stream_class_by_index( |
9ac68eb1 | 3768 | ctx->trace, 0); |
f6ccaed9 | 3769 | BT_ASSERT(stream_class); |
50842bdc | 3770 | stream_id = bt_stream_class_get_id( |
1e649dff PP |
3771 | stream_class); |
3772 | BT_PUT(stream_class); | |
3773 | } | |
e98a2d6e PP |
3774 | break; |
3775 | default: | |
28973adf PP |
3776 | _BT_LOGE_NODE(node, |
3777 | "Missing `stream_id` attribute in event class."); | |
e98a2d6e PP |
3778 | ret = -EPERM; |
3779 | goto error; | |
3780 | } | |
3781 | } | |
3782 | ||
f6ccaed9 | 3783 | BT_ASSERT(stream_id >= 0); |
e98a2d6e | 3784 | |
1e649dff | 3785 | /* We have the stream ID now; get the stream class if found */ |
942c0e8f | 3786 | stream_class = g_hash_table_lookup(ctx->stream_classes, &stream_id); |
1e649dff | 3787 | bt_get(stream_class); |
e98a2d6e | 3788 | if (!stream_class) { |
50842bdc | 3789 | stream_class = bt_trace_get_stream_class_by_id(ctx->trace, |
e98a2d6e | 3790 | stream_id); |
1e649dff | 3791 | if (!stream_class) { |
28973adf PP |
3792 | _BT_LOGE_NODE(node, |
3793 | "Cannot find stream class at this point: " | |
08da4f77 | 3794 | "id=%" PRId64, stream_id); |
1e649dff PP |
3795 | ret = -EINVAL; |
3796 | goto error; | |
3797 | } | |
e98a2d6e PP |
3798 | } |
3799 | ||
f6ccaed9 | 3800 | BT_ASSERT(stream_class); |
1e649dff | 3801 | |
e98a2d6e PP |
3802 | if (!_IS_SET(&set, _EVENT_ID_SET)) { |
3803 | /* Allow only one event without ID per stream */ | |
50842bdc | 3804 | if (bt_stream_class_get_event_class_count(stream_class) != |
e98a2d6e | 3805 | 0) { |
28973adf PP |
3806 | _BT_LOGE_NODE(node, |
3807 | "Missing `id` attribute in event class."); | |
e98a2d6e PP |
3808 | ret = -EPERM; |
3809 | goto error; | |
3810 | } | |
3811 | ||
3812 | /* Automatic ID */ | |
50842bdc | 3813 | ret = bt_event_class_set_id(event_class, 0); |
e98a2d6e | 3814 | if (ret) { |
28973adf PP |
3815 | _BT_LOGE_NODE(node, |
3816 | "Cannot set event class's ID: id=0, ret=%d", | |
08da4f77 | 3817 | ret); |
e98a2d6e PP |
3818 | goto error; |
3819 | } | |
3820 | } | |
3821 | ||
50842bdc | 3822 | event_id = bt_event_class_get_id(event_class); |
e98a2d6e | 3823 | if (event_id < 0) { |
28973adf | 3824 | _BT_LOGE_NODE(node, "Cannot get event class's ID."); |
e98a2d6e PP |
3825 | ret = -EINVAL; |
3826 | goto error; | |
3827 | } | |
3828 | ||
50842bdc | 3829 | eevent_class = bt_stream_class_get_event_class_by_id(stream_class, |
e98a2d6e PP |
3830 | event_id); |
3831 | if (eevent_class) { | |
3832 | BT_PUT(eevent_class); | |
28973adf PP |
3833 | _BT_LOGE_NODE(node, |
3834 | "Duplicate event class (same ID) in the same stream class: " | |
08da4f77 | 3835 | "id=%" PRId64, event_id); |
e98a2d6e PP |
3836 | ret = -EEXIST; |
3837 | goto error; | |
3838 | } | |
3839 | ||
50842bdc | 3840 | ret = bt_stream_class_add_event_class(stream_class, event_class); |
e98a2d6e | 3841 | BT_PUT(event_class); |
e98a2d6e | 3842 | if (ret) { |
28973adf PP |
3843 | _BT_LOGE_NODE(node, |
3844 | "Cannot add event class to stream class: ret=%d", ret); | |
e98a2d6e PP |
3845 | goto error; |
3846 | } | |
3847 | ||
1e649dff | 3848 | goto end; |
e98a2d6e PP |
3849 | |
3850 | error: | |
1e649dff | 3851 | bt_put(event_class); |
e98a2d6e | 3852 | |
1e649dff PP |
3853 | end: |
3854 | if (pop_scope) { | |
3855 | ctx_pop_scope(ctx); | |
3856 | } | |
e98a2d6e | 3857 | |
1e649dff PP |
3858 | g_free(event_name); |
3859 | bt_put(stream_class); | |
e98a2d6e PP |
3860 | return ret; |
3861 | } | |
3862 | ||
56b43721 | 3863 | static |
7bf5af54 | 3864 | int auto_map_field_to_trace_clock_class(struct ctx *ctx, |
50842bdc | 3865 | struct bt_field_type *ft) |
56b43721 | 3866 | { |
50842bdc PP |
3867 | struct bt_clock_class *clock_class_to_map_to = NULL; |
3868 | struct bt_clock_class *mapped_clock_class = NULL; | |
56b43721 | 3869 | int ret = 0; |
7bf5af54 | 3870 | int64_t clock_class_count; |
56b43721 | 3871 | |
50842bdc | 3872 | if (!ft || !bt_field_type_is_integer(ft)) { |
56b43721 PP |
3873 | goto end; |
3874 | } | |
3875 | ||
7bf5af54 | 3876 | mapped_clock_class = |
50842bdc | 3877 | bt_field_type_integer_get_mapped_clock_class(ft); |
7bf5af54 | 3878 | if (mapped_clock_class) { |
56b43721 PP |
3879 | goto end; |
3880 | } | |
3881 | ||
50842bdc | 3882 | clock_class_count = bt_trace_get_clock_class_count(ctx->trace); |
f6ccaed9 | 3883 | BT_ASSERT(clock_class_count >= 0); |
7bf5af54 PP |
3884 | |
3885 | switch (clock_class_count) { | |
3886 | case 0: | |
3887 | /* | |
3888 | * No clock class exists in the trace at this | |
3889 | * point. Create an implicit one at 1 GHz, | |
3890 | * named `default`, and use this clock class. | |
3891 | */ | |
50842bdc | 3892 | clock_class_to_map_to = bt_clock_class_create("default", |
f3534905 | 3893 | 1000000000); |
7bf5af54 PP |
3894 | if (!clock_class_to_map_to) { |
3895 | BT_LOGE_STR("Cannot create a clock class."); | |
3896 | ret = -1; | |
3897 | goto end; | |
3898 | } | |
3899 | ||
50842bdc | 3900 | ret = bt_trace_add_clock_class(ctx->trace, |
7bf5af54 PP |
3901 | clock_class_to_map_to); |
3902 | if (ret) { | |
3903 | BT_LOGE_STR("Cannot add clock class to trace."); | |
3904 | goto end; | |
3905 | } | |
3906 | break; | |
3907 | case 1: | |
3908 | /* | |
3909 | * Only one clock class exists in the trace at | |
3910 | * this point: use this one. | |
3911 | */ | |
3912 | clock_class_to_map_to = | |
50842bdc | 3913 | bt_trace_get_clock_class_by_index(ctx->trace, 0); |
f6ccaed9 | 3914 | BT_ASSERT(clock_class_to_map_to); |
7bf5af54 PP |
3915 | break; |
3916 | default: | |
3917 | /* | |
3918 | * Timestamp field not mapped to a clock class | |
3919 | * and there's more than one clock class in the | |
3920 | * trace: this is an error. | |
3921 | */ | |
3922 | BT_LOGE_STR("Timestamp field found with no mapped clock class, " | |
3923 | "but there's more than one clock class in the trace at this point."); | |
3924 | ret = -1; | |
56b43721 PP |
3925 | goto end; |
3926 | } | |
3927 | ||
f6ccaed9 | 3928 | BT_ASSERT(clock_class_to_map_to); |
50842bdc | 3929 | ret = bt_field_type_integer_set_mapped_clock_class(ft, |
7bf5af54 PP |
3930 | clock_class_to_map_to); |
3931 | if (ret) { | |
3932 | BT_LOGE("Cannot map field type's field to trace's clock class: " | |
3933 | "clock-class-name=\"%s\", ret=%d", | |
50842bdc | 3934 | bt_clock_class_get_name(clock_class_to_map_to), |
7bf5af54 | 3935 | ret); |
56b43721 PP |
3936 | goto end; |
3937 | } | |
3938 | ||
7bf5af54 PP |
3939 | end: |
3940 | bt_put(clock_class_to_map_to); | |
3941 | bt_put(mapped_clock_class); | |
3942 | return ret; | |
3943 | } | |
56b43721 | 3944 | |
7bf5af54 PP |
3945 | static |
3946 | int auto_map_fields_to_trace_clock_class(struct ctx *ctx, | |
50842bdc | 3947 | struct bt_field_type *root_ft, const char *field_name) |
7bf5af54 PP |
3948 | { |
3949 | int ret = 0; | |
3950 | int64_t i, count; | |
56b43721 | 3951 | |
7bf5af54 PP |
3952 | if (!root_ft) { |
3953 | goto end; | |
3954 | } | |
56b43721 | 3955 | |
50842bdc PP |
3956 | if (!bt_field_type_is_structure(root_ft) && |
3957 | !bt_field_type_is_variant(root_ft)) { | |
7bf5af54 PP |
3958 | goto end; |
3959 | } | |
3960 | ||
50842bdc PP |
3961 | if (bt_field_type_is_structure(root_ft)) { |
3962 | count = bt_field_type_structure_get_field_count(root_ft); | |
7bf5af54 | 3963 | } else { |
50842bdc | 3964 | count = bt_field_type_variant_get_field_count(root_ft); |
7bf5af54 PP |
3965 | } |
3966 | ||
f6ccaed9 | 3967 | BT_ASSERT(count >= 0); |
7bf5af54 PP |
3968 | |
3969 | for (i = 0; i < count; i++) { | |
50842bdc | 3970 | _BT_FIELD_TYPE_INIT(ft); |
7bf5af54 PP |
3971 | const char *name; |
3972 | ||
50842bdc PP |
3973 | if (bt_field_type_is_structure(root_ft)) { |
3974 | ret = bt_field_type_structure_get_field_by_index( | |
7bf5af54 | 3975 | root_ft, &name, &ft, i); |
50842bdc PP |
3976 | } else if (bt_field_type_is_variant(root_ft)) { |
3977 | ret = bt_field_type_variant_get_field_by_index( | |
7bf5af54 PP |
3978 | root_ft, &name, &ft, i); |
3979 | } | |
3980 | ||
f6ccaed9 | 3981 | BT_ASSERT(ret == 0); |
7bf5af54 PP |
3982 | |
3983 | if (strcmp(name, field_name) == 0) { | |
3984 | ret = auto_map_field_to_trace_clock_class(ctx, ft); | |
3985 | if (ret) { | |
3986 | BT_LOGE("Cannot automatically map field to trace's clock class: " | |
3987 | "field-name=\"%s\"", field_name); | |
3988 | bt_put(ft); | |
3989 | goto end; | |
56b43721 PP |
3990 | } |
3991 | } | |
3992 | ||
7bf5af54 PP |
3993 | ret = auto_map_fields_to_trace_clock_class(ctx, ft, field_name); |
3994 | bt_put(ft); | |
3995 | if (ret) { | |
3996 | BT_LOGE("Cannot automatically map structure or variant field type's fields to trace's clock class: " | |
3997 | "field-name=\"%s\", root-field-name=\"%s\"", | |
3998 | field_name, name); | |
3999 | goto end; | |
4000 | } | |
56b43721 PP |
4001 | } |
4002 | ||
4003 | end: | |
56b43721 PP |
4004 | return ret; |
4005 | } | |
4006 | ||
e98a2d6e PP |
4007 | static |
4008 | int visit_stream_decl_entry(struct ctx *ctx, struct ctf_node *node, | |
50842bdc | 4009 | struct bt_stream_class *stream_class, int *set) |
e98a2d6e PP |
4010 | { |
4011 | int ret = 0; | |
4012 | char *left = NULL; | |
50842bdc | 4013 | _BT_FIELD_TYPE_INIT(decl); |
e98a2d6e PP |
4014 | |
4015 | switch (node->type) { | |
4016 | case NODE_TYPEDEF: | |
4017 | ret = visit_typedef(ctx, node->u._typedef.type_specifier_list, | |
4018 | &node->u._typedef.type_declarators); | |
4019 | if (ret) { | |
28973adf PP |
4020 | _BT_LOGE_NODE(node, |
4021 | "Cannot add type definition found in stream class."); | |
e98a2d6e PP |
4022 | goto error; |
4023 | } | |
4024 | break; | |
4025 | case NODE_TYPEALIAS: | |
4026 | ret = visit_typealias(ctx, node->u.typealias.target, | |
4027 | node->u.typealias.alias); | |
4028 | if (ret) { | |
28973adf PP |
4029 | _BT_LOGE_NODE(node, |
4030 | "Cannot add type alias found in stream class."); | |
e98a2d6e PP |
4031 | goto error; |
4032 | } | |
4033 | break; | |
4034 | case NODE_CTF_EXPRESSION: | |
4035 | { | |
4036 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
4037 | if (!left) { | |
28973adf | 4038 | _BT_LOGE_NODE(node, "Cannot concatenate unary strings."); |
e98a2d6e PP |
4039 | ret = -EINVAL; |
4040 | goto error; | |
4041 | } | |
4042 | ||
4043 | if (!strcmp(left, "id")) { | |
4044 | int64_t id; | |
4045 | gpointer ptr; | |
4046 | ||
4047 | if (_IS_SET(set, _STREAM_ID_SET)) { | |
28973adf PP |
4048 | _BT_LOGE_DUP_ATTR(node, "id", |
4049 | "stream declaration"); | |
e98a2d6e PP |
4050 | ret = -EPERM; |
4051 | goto error; | |
4052 | } | |
4053 | ||
4054 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
4055 | (uint64_t *) &id); | |
5eae0c3c JG |
4056 | /* Only read "id" if get_unary_unsigned() succeeded. */ |
4057 | if (ret || (!ret && id < 0)) { | |
28973adf PP |
4058 | _BT_LOGE_NODE(node, |
4059 | "Unexpected unary expression for stream class's `id` attribute."); | |
e98a2d6e PP |
4060 | ret = -EINVAL; |
4061 | goto error; | |
4062 | } | |
4063 | ||
942c0e8f | 4064 | ptr = g_hash_table_lookup(ctx->stream_classes, &id); |
e98a2d6e | 4065 | if (ptr) { |
28973adf PP |
4066 | _BT_LOGE_NODE(node, |
4067 | "Duplicate stream class (same ID): id=%" PRId64, | |
e98a2d6e PP |
4068 | id); |
4069 | ret = -EEXIST; | |
4070 | goto error; | |
4071 | } | |
4072 | ||
50842bdc | 4073 | ret = bt_stream_class_set_id(stream_class, id); |
e98a2d6e | 4074 | if (ret) { |
28973adf PP |
4075 | _BT_LOGE_NODE(node, |
4076 | "Cannot set stream class's ID: " | |
08da4f77 | 4077 | "id=%" PRId64 ", ret=%d", id, ret); |
e98a2d6e PP |
4078 | goto error; |
4079 | } | |
4080 | ||
4081 | _SET(set, _STREAM_ID_SET); | |
4082 | } else if (!strcmp(left, "event.header")) { | |
4083 | if (_IS_SET(set, _STREAM_EVENT_HEADER_SET)) { | |
28973adf PP |
4084 | _BT_LOGE_NODE(node, |
4085 | "Duplicate `event.header` entry in stream class."); | |
e98a2d6e PP |
4086 | ret = -EPERM; |
4087 | goto error; | |
4088 | } | |
4089 | ||
4090 | ret = visit_type_specifier_list(ctx, | |
4091 | _BT_LIST_FIRST_ENTRY( | |
4092 | &node->u.ctf_expression.right, | |
4093 | struct ctf_node, siblings), | |
4094 | &decl); | |
4095 | if (ret) { | |
28973adf PP |
4096 | _BT_LOGE_NODE(node, |
4097 | "Cannot create stream class's event header field type."); | |
e98a2d6e PP |
4098 | goto error; |
4099 | } | |
4100 | ||
f6ccaed9 | 4101 | BT_ASSERT(decl); |
56b43721 | 4102 | ret = auto_map_fields_to_trace_clock_class(ctx, |
7bf5af54 | 4103 | decl, "timestamp"); |
56b43721 PP |
4104 | if (ret) { |
4105 | _BT_LOGE_NODE(node, | |
7bf5af54 | 4106 | "Cannot automatically map specific event header field type fields named `timestamp` to trace's clock class."); |
56b43721 PP |
4107 | goto error; |
4108 | } | |
e98a2d6e | 4109 | |
3dca2276 | 4110 | ret = bt_stream_class_set_event_header_field_type( |
e98a2d6e PP |
4111 | stream_class, decl); |
4112 | BT_PUT(decl); | |
4113 | if (ret) { | |
28973adf PP |
4114 | _BT_LOGE_NODE(node, |
4115 | "Cannot set stream class's event header field type."); | |
e98a2d6e PP |
4116 | goto error; |
4117 | } | |
4118 | ||
4119 | _SET(set, _STREAM_EVENT_HEADER_SET); | |
4120 | } else if (!strcmp(left, "event.context")) { | |
4121 | if (_IS_SET(set, _STREAM_EVENT_CONTEXT_SET)) { | |
28973adf PP |
4122 | _BT_LOGE_NODE(node, |
4123 | "Duplicate `event.context` entry in stream class."); | |
e98a2d6e PP |
4124 | ret = -EPERM; |
4125 | goto error; | |
4126 | } | |
4127 | ||
4128 | ret = visit_type_specifier_list(ctx, | |
4129 | _BT_LIST_FIRST_ENTRY( | |
4130 | &node->u.ctf_expression.right, | |
4131 | struct ctf_node, siblings), | |
4132 | &decl); | |
4133 | if (ret) { | |
28973adf PP |
4134 | _BT_LOGE_NODE(node, |
4135 | "Cannot create stream class's event context field type."); | |
e98a2d6e PP |
4136 | goto error; |
4137 | } | |
4138 | ||
f6ccaed9 | 4139 | BT_ASSERT(decl); |
e98a2d6e | 4140 | |
3dca2276 | 4141 | ret = bt_stream_class_set_event_context_field_type( |
e98a2d6e PP |
4142 | stream_class, decl); |
4143 | BT_PUT(decl); | |
4144 | if (ret) { | |
28973adf PP |
4145 | _BT_LOGE_NODE(node, |
4146 | "Cannot set stream class's event context field type."); | |
e98a2d6e PP |
4147 | goto error; |
4148 | } | |
4149 | ||
4150 | _SET(set, _STREAM_EVENT_CONTEXT_SET); | |
4151 | } else if (!strcmp(left, "packet.context")) { | |
4152 | if (_IS_SET(set, _STREAM_PACKET_CONTEXT_SET)) { | |
28973adf PP |
4153 | _BT_LOGE_NODE(node, |
4154 | "Duplicate `packet.context` entry in stream class."); | |
e98a2d6e PP |
4155 | ret = -EPERM; |
4156 | goto error; | |
4157 | } | |
4158 | ||
4159 | ret = visit_type_specifier_list(ctx, | |
4160 | _BT_LIST_FIRST_ENTRY( | |
4161 | &node->u.ctf_expression.right, | |
4162 | struct ctf_node, siblings), | |
4163 | &decl); | |
4164 | if (ret) { | |
28973adf PP |
4165 | _BT_LOGE_NODE(node, |
4166 | "Cannot create stream class's packet context field type."); | |
e98a2d6e PP |
4167 | goto error; |
4168 | } | |
4169 | ||
f6ccaed9 | 4170 | BT_ASSERT(decl); |
56b43721 | 4171 | ret = auto_map_fields_to_trace_clock_class(ctx, |
7bf5af54 PP |
4172 | decl, "timestamp_begin"); |
4173 | if (ret) { | |
4174 | _BT_LOGE_NODE(node, | |
4175 | "Cannot automatically map specific packet context field type fields named `timestamp_begin` to trace's clock class."); | |
4176 | goto error; | |
4177 | } | |
4178 | ||
4179 | ret = auto_map_fields_to_trace_clock_class(ctx, | |
4180 | decl, "timestamp_end"); | |
56b43721 PP |
4181 | if (ret) { |
4182 | _BT_LOGE_NODE(node, | |
7bf5af54 | 4183 | "Cannot automatically map specific packet context field type fields named `timestamp_end` to trace's clock class."); |
56b43721 PP |
4184 | goto error; |
4185 | } | |
e98a2d6e | 4186 | |
3dca2276 | 4187 | ret = bt_stream_class_set_packet_context_field_type( |
e98a2d6e PP |
4188 | stream_class, decl); |
4189 | BT_PUT(decl); | |
4190 | if (ret) { | |
28973adf PP |
4191 | _BT_LOGE_NODE(node, |
4192 | "Cannot set stream class's packet context field type."); | |
e98a2d6e PP |
4193 | goto error; |
4194 | } | |
4195 | ||
4196 | _SET(set, _STREAM_PACKET_CONTEXT_SET); | |
4197 | } else { | |
28973adf PP |
4198 | _BT_LOGW_NODE(node, |
4199 | "Unknown attribute in stream class: " | |
08da4f77 | 4200 | "attr-name=\"%s\"", left); |
e98a2d6e PP |
4201 | } |
4202 | ||
4203 | g_free(left); | |
4204 | left = NULL; | |
4205 | break; | |
4206 | } | |
4207 | ||
4208 | default: | |
4209 | ret = -EPERM; | |
4210 | goto error; | |
4211 | } | |
4212 | ||
4213 | return 0; | |
4214 | ||
4215 | error: | |
4216 | g_free(left); | |
4217 | BT_PUT(decl); | |
4218 | ||
4219 | return ret; | |
4220 | } | |
4221 | ||
4222 | static | |
4223 | int visit_stream_decl(struct ctx *ctx, struct ctf_node *node) | |
4224 | { | |
4225 | int64_t id; | |
942c0e8f | 4226 | int64_t *new_id; |
e98a2d6e PP |
4227 | int set = 0; |
4228 | int ret = 0; | |
4229 | struct ctf_node *iter; | |
50842bdc PP |
4230 | struct bt_stream_class *stream_class = NULL; |
4231 | struct bt_stream_class *existing_stream_class = NULL; | |
e98a2d6e PP |
4232 | struct bt_list_head *decl_list = &node->u.stream.declaration_list; |
4233 | ||
4234 | if (node->visited) { | |
4235 | goto end; | |
4236 | } | |
4237 | ||
4238 | node->visited = TRUE; | |
4239 | stream_class = create_reset_stream_class(ctx); | |
4240 | if (!stream_class) { | |
28973adf | 4241 | _BT_LOGE_NODE(node, "Cannot create empty stream class."); |
e98a2d6e PP |
4242 | ret = -EINVAL; |
4243 | goto error; | |
4244 | } | |
4245 | ||
4246 | ret = ctx_push_scope(ctx); | |
4247 | if (ret) { | |
08da4f77 | 4248 | BT_LOGE_STR("Cannot push scope."); |
e98a2d6e PP |
4249 | goto error; |
4250 | } | |
4251 | ||
4252 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
4253 | ret = visit_stream_decl_entry(ctx, iter, stream_class, &set); | |
4254 | if (ret) { | |
28973adf PP |
4255 | _BT_LOGE_NODE(iter, |
4256 | "Cannot visit stream class's entry: " | |
4257 | "ret=%d", ret); | |
e98a2d6e PP |
4258 | ctx_pop_scope(ctx); |
4259 | goto error; | |
4260 | } | |
4261 | } | |
4262 | ||
4263 | ctx_pop_scope(ctx); | |
4264 | ||
4265 | if (_IS_SET(&set, _STREAM_ID_SET)) { | |
4266 | /* Check that packet header has stream_id field */ | |
50842bdc PP |
4267 | _BT_FIELD_TYPE_INIT(stream_id_decl); |
4268 | _BT_FIELD_TYPE_INIT(packet_header_decl); | |
e98a2d6e PP |
4269 | |
4270 | packet_header_decl = | |
3dca2276 | 4271 | bt_trace_get_packet_header_field_type(ctx->trace); |
e98a2d6e | 4272 | if (!packet_header_decl) { |
28973adf PP |
4273 | _BT_LOGE_NODE(node, |
4274 | "Stream class has a `id` attribute, " | |
08da4f77 | 4275 | "but trace has no packet header field type."); |
e98a2d6e PP |
4276 | goto error; |
4277 | } | |
4278 | ||
4279 | stream_id_decl = | |
50842bdc | 4280 | bt_field_type_structure_get_field_type_by_name( |
e98a2d6e PP |
4281 | packet_header_decl, "stream_id"); |
4282 | BT_PUT(packet_header_decl); | |
4283 | if (!stream_id_decl) { | |
28973adf PP |
4284 | _BT_LOGE_NODE(node, |
4285 | "Stream class has a `id` attribute, " | |
08da4f77 | 4286 | "but trace's packet header field type has no `stream_id` field."); |
e98a2d6e PP |
4287 | goto error; |
4288 | } | |
4289 | ||
50842bdc | 4290 | if (!bt_field_type_is_integer(stream_id_decl)) { |
e98a2d6e | 4291 | BT_PUT(stream_id_decl); |
28973adf PP |
4292 | _BT_LOGE_NODE(node, |
4293 | "Stream class has a `id` attribute, " | |
08da4f77 | 4294 | "but trace's packet header field type's `stream_id` field is not an integer field type."); |
e98a2d6e PP |
4295 | goto error; |
4296 | } | |
4297 | ||
4298 | BT_PUT(stream_id_decl); | |
4299 | } else { | |
4300 | /* Allow only _one_ ID-less stream */ | |
4301 | if (g_hash_table_size(ctx->stream_classes) != 0) { | |
28973adf PP |
4302 | _BT_LOGE_NODE(node, |
4303 | "Missing `id` attribute in stream class as there's more than one stream class in the trace."); | |
e98a2d6e PP |
4304 | ret = -EPERM; |
4305 | goto error; | |
4306 | } | |
4307 | ||
4308 | /* Automatic ID: 0 */ | |
50842bdc | 4309 | ret = bt_stream_class_set_id(stream_class, 0); |
f6ccaed9 | 4310 | BT_ASSERT(ret == 0); |
e98a2d6e PP |
4311 | } |
4312 | ||
50842bdc | 4313 | id = bt_stream_class_get_id(stream_class); |
e98a2d6e | 4314 | if (id < 0) { |
28973adf PP |
4315 | _BT_LOGE_NODE(node, |
4316 | "Cannot get stream class's ID."); | |
e98a2d6e PP |
4317 | ret = -EINVAL; |
4318 | goto error; | |
4319 | } | |
4320 | ||
1e649dff PP |
4321 | /* |
4322 | * Make sure that this stream class's ID is currently unique in | |
4323 | * the trace. | |
4324 | */ | |
50842bdc | 4325 | existing_stream_class = bt_trace_get_stream_class_by_id(ctx->trace, |
1e649dff | 4326 | id); |
942c0e8f | 4327 | if (g_hash_table_lookup(ctx->stream_classes, &id) || |
08da4f77 | 4328 | existing_stream_class) { |
28973adf PP |
4329 | _BT_LOGE_NODE(node, |
4330 | "Duplicate stream class (same ID): id=%" PRId64, | |
08da4f77 | 4331 | id); |
1e649dff PP |
4332 | ret = -EINVAL; |
4333 | goto error; | |
4334 | } | |
4335 | ||
942c0e8f MJ |
4336 | new_id = g_new0(int64_t, 1); |
4337 | if (!new_id) { | |
4338 | BT_LOGE_STR("Failed to allocate a int64_t."); | |
4339 | ret = -ENOMEM; | |
4340 | goto error; | |
4341 | } | |
4342 | *new_id = id; | |
4343 | ||
e98a2d6e | 4344 | /* Move reference to visitor's context */ |
942c0e8f | 4345 | g_hash_table_insert(ctx->stream_classes, new_id, |
e98a2d6e PP |
4346 | stream_class); |
4347 | stream_class = NULL; | |
1e649dff | 4348 | goto end; |
e98a2d6e PP |
4349 | |
4350 | error: | |
1e649dff | 4351 | bt_put(stream_class); |
e98a2d6e | 4352 | |
1e649dff PP |
4353 | end: |
4354 | bt_put(existing_stream_class); | |
e98a2d6e PP |
4355 | return ret; |
4356 | } | |
4357 | ||
4358 | static | |
4359 | int visit_trace_decl_entry(struct ctx *ctx, struct ctf_node *node, int *set) | |
4360 | { | |
4361 | int ret = 0; | |
4362 | char *left = NULL; | |
50842bdc | 4363 | _BT_FIELD_TYPE_INIT(packet_header_decl); |
e98a2d6e PP |
4364 | |
4365 | switch (node->type) { | |
4366 | case NODE_TYPEDEF: | |
4367 | ret = visit_typedef(ctx, node->u._typedef.type_specifier_list, | |
4368 | &node->u._typedef.type_declarators); | |
4369 | if (ret) { | |
28973adf PP |
4370 | _BT_LOGE_NODE(node, |
4371 | "Cannot add type definition found in trace (`trace` block)."); | |
e98a2d6e PP |
4372 | goto error; |
4373 | } | |
4374 | break; | |
4375 | case NODE_TYPEALIAS: | |
4376 | ret = visit_typealias(ctx, node->u.typealias.target, | |
4377 | node->u.typealias.alias); | |
4378 | if (ret) { | |
28973adf PP |
4379 | _BT_LOGE_NODE(node, |
4380 | "Cannot add type alias found in trace (`trace` block)."); | |
e98a2d6e PP |
4381 | goto error; |
4382 | } | |
4383 | break; | |
4384 | case NODE_CTF_EXPRESSION: | |
4385 | { | |
4386 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
4387 | if (!left) { | |
28973adf | 4388 | _BT_LOGE_NODE(node, "Cannot concatenate unary strings."); |
e98a2d6e PP |
4389 | ret = -EINVAL; |
4390 | goto error; | |
4391 | } | |
4392 | ||
4393 | if (!strcmp(left, "major")) { | |
4394 | if (_IS_SET(set, _TRACE_MAJOR_SET)) { | |
28973adf | 4395 | _BT_LOGE_DUP_ATTR(node, "major", "trace"); |
e98a2d6e PP |
4396 | ret = -EPERM; |
4397 | goto error; | |
4398 | } | |
4399 | ||
4400 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
4401 | &ctx->trace_major); | |
4402 | if (ret) { | |
28973adf PP |
4403 | _BT_LOGE_NODE(node, |
4404 | "Unexpected unary expression for trace's `major` attribute."); | |
e98a2d6e PP |
4405 | ret = -EINVAL; |
4406 | goto error; | |
4407 | } | |
4408 | ||
4409 | _SET(set, _TRACE_MAJOR_SET); | |
4410 | } else if (!strcmp(left, "minor")) { | |
4411 | if (_IS_SET(set, _TRACE_MINOR_SET)) { | |
28973adf | 4412 | _BT_LOGE_DUP_ATTR(node, "minor", "trace"); |
e98a2d6e PP |
4413 | ret = -EPERM; |
4414 | goto error; | |
4415 | } | |
4416 | ||
4417 | ret = get_unary_unsigned(&node->u.ctf_expression.right, | |
4418 | &ctx->trace_minor); | |
4419 | if (ret) { | |
28973adf PP |
4420 | _BT_LOGE_NODE(node, |
4421 | "Unexpected unary expression for trace's `minor` attribute."); | |
e98a2d6e PP |
4422 | ret = -EINVAL; |
4423 | goto error; | |
4424 | } | |
4425 | ||
4426 | _SET(set, _TRACE_MINOR_SET); | |
4427 | } else if (!strcmp(left, "uuid")) { | |
4428 | if (_IS_SET(set, _TRACE_UUID_SET)) { | |
28973adf | 4429 | _BT_LOGE_DUP_ATTR(node, "uuid", "trace"); |
e98a2d6e PP |
4430 | ret = -EPERM; |
4431 | goto error; | |
4432 | } | |
4433 | ||
4434 | ret = get_unary_uuid(&node->u.ctf_expression.right, | |
4435 | ctx->trace_uuid); | |
4436 | if (ret) { | |
28973adf PP |
4437 | _BT_LOGE_NODE(node, |
4438 | "Invalid trace's `uuid` attribute."); | |
e98a2d6e PP |
4439 | goto error; |
4440 | } | |
4441 | ||
50842bdc | 4442 | ret = bt_trace_set_uuid(ctx->trace, ctx->trace_uuid); |
892a5b6c | 4443 | if (ret) { |
28973adf | 4444 | _BT_LOGE_NODE(node, "Cannot set trace's UUID."); |
892a5b6c PP |
4445 | goto error; |
4446 | } | |
4447 | ||
e98a2d6e PP |
4448 | _SET(set, _TRACE_UUID_SET); |
4449 | } else if (!strcmp(left, "byte_order")) { | |
4450 | /* Native byte order is already known at this stage */ | |
4451 | if (_IS_SET(set, _TRACE_BYTE_ORDER_SET)) { | |
28973adf | 4452 | _BT_LOGE_DUP_ATTR(node, "byte_order", |
08da4f77 | 4453 | "trace"); |
e98a2d6e PP |
4454 | ret = -EPERM; |
4455 | goto error; | |
4456 | } | |
4457 | ||
4458 | _SET(set, _TRACE_BYTE_ORDER_SET); | |
4459 | } else if (!strcmp(left, "packet.header")) { | |
4460 | if (_IS_SET(set, _TRACE_PACKET_HEADER_SET)) { | |
28973adf PP |
4461 | _BT_LOGE_NODE(node, |
4462 | "Duplicate `packet.header` entry in trace."); | |
e98a2d6e PP |
4463 | ret = -EPERM; |
4464 | goto error; | |
4465 | } | |
4466 | ||
4467 | ret = visit_type_specifier_list(ctx, | |
4468 | _BT_LIST_FIRST_ENTRY( | |
4469 | &node->u.ctf_expression.right, | |
4470 | struct ctf_node, siblings), | |
4471 | &packet_header_decl); | |
4472 | if (ret) { | |
28973adf PP |
4473 | _BT_LOGE_NODE(node, |
4474 | "Cannot create trace's packet header field type."); | |
e98a2d6e PP |
4475 | goto error; |
4476 | } | |
4477 | ||
f6ccaed9 | 4478 | BT_ASSERT(packet_header_decl); |
3dca2276 | 4479 | ret = bt_trace_set_packet_header_field_type(ctx->trace, |
e98a2d6e PP |
4480 | packet_header_decl); |
4481 | BT_PUT(packet_header_decl); | |
4482 | if (ret) { | |
28973adf PP |
4483 | _BT_LOGE_NODE(node, |
4484 | "Cannot set trace's packet header field type."); | |
e98a2d6e PP |
4485 | goto error; |
4486 | } | |
4487 | ||
4488 | _SET(set, _TRACE_PACKET_HEADER_SET); | |
4489 | } else { | |
28973adf PP |
4490 | _BT_LOGW_NODE(node, |
4491 | "Unknown attribute in stream class: " | |
08da4f77 | 4492 | "attr-name=\"%s\"", left); |
e98a2d6e PP |
4493 | } |
4494 | ||
4495 | g_free(left); | |
4496 | left = NULL; | |
4497 | break; | |
4498 | } | |
4499 | default: | |
28973adf | 4500 | _BT_LOGE_NODE(node, "Unknown expression in trace."); |
e98a2d6e PP |
4501 | ret = -EINVAL; |
4502 | goto error; | |
4503 | } | |
4504 | ||
4505 | return 0; | |
4506 | ||
4507 | error: | |
4508 | g_free(left); | |
4509 | BT_PUT(packet_header_decl); | |
4510 | ||
4511 | return ret; | |
4512 | } | |
4513 | ||
4514 | static | |
4515 | int visit_trace_decl(struct ctx *ctx, struct ctf_node *node) | |
4516 | { | |
4517 | int ret = 0; | |
4518 | int set = 0; | |
4519 | struct ctf_node *iter; | |
4520 | struct bt_list_head *decl_list = &node->u.trace.declaration_list; | |
4521 | ||
4522 | if (node->visited) { | |
4523 | goto end; | |
4524 | } | |
4525 | ||
4526 | node->visited = TRUE; | |
4527 | ||
4528 | if (ctx->is_trace_visited) { | |
28973adf | 4529 | _BT_LOGE_NODE(node, "Duplicate trace (`trace` block)."); |
e98a2d6e PP |
4530 | ret = -EEXIST; |
4531 | goto error; | |
4532 | } | |
4533 | ||
4534 | ret = ctx_push_scope(ctx); | |
4535 | if (ret) { | |
08da4f77 | 4536 | BT_LOGE_STR("Cannot push scope."); |
e98a2d6e PP |
4537 | goto error; |
4538 | } | |
4539 | ||
4540 | bt_list_for_each_entry(iter, decl_list, siblings) { | |
4541 | ret = visit_trace_decl_entry(ctx, iter, &set); | |
4542 | if (ret) { | |
28973adf PP |
4543 | _BT_LOGE_NODE(iter, "Cannot visit trace's entry (`trace` block): " |
4544 | "ret=%d", ret); | |
e98a2d6e PP |
4545 | ctx_pop_scope(ctx); |
4546 | goto error; | |
4547 | } | |
4548 | } | |
4549 | ||
4550 | ctx_pop_scope(ctx); | |
4551 | ||
4552 | if (!_IS_SET(&set, _TRACE_MAJOR_SET)) { | |
28973adf PP |
4553 | _BT_LOGE_NODE(node, |
4554 | "Missing `major` attribute in trace (`trace` block)."); | |
e98a2d6e PP |
4555 | ret = -EPERM; |
4556 | goto error; | |
4557 | } | |
4558 | ||
4559 | if (!_IS_SET(&set, _TRACE_MINOR_SET)) { | |
28973adf PP |
4560 | _BT_LOGE_NODE(node, |
4561 | "Missing `minor` attribute in trace (`trace` block)."); | |
e98a2d6e PP |
4562 | ret = -EPERM; |
4563 | goto error; | |
4564 | } | |
4565 | ||
4566 | if (!_IS_SET(&set, _TRACE_BYTE_ORDER_SET)) { | |
28973adf PP |
4567 | _BT_LOGE_NODE(node, |
4568 | "Missing `byte_order` attribute in trace (`trace` block)."); | |
e98a2d6e PP |
4569 | ret = -EPERM; |
4570 | goto error; | |
4571 | } | |
4572 | ||
4573 | ctx->is_trace_visited = TRUE; | |
4574 | ||
4575 | end: | |
4576 | return 0; | |
4577 | ||
4578 | error: | |
4579 | return ret; | |
4580 | } | |
4581 | ||
4582 | static | |
4583 | int visit_env(struct ctx *ctx, struct ctf_node *node) | |
4584 | { | |
4585 | int ret = 0; | |
4586 | char *left = NULL; | |
4587 | struct ctf_node *entry_node; | |
4588 | struct bt_list_head *decl_list = &node->u.env.declaration_list; | |
4589 | ||
4590 | if (node->visited) { | |
4591 | goto end; | |
4592 | } | |
4593 | ||
4594 | node->visited = TRUE; | |
4595 | ||
4596 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
4597 | struct bt_list_head *right_head = | |
4598 | &entry_node->u.ctf_expression.right; | |
4599 | ||
4600 | if (entry_node->type != NODE_CTF_EXPRESSION) { | |
28973adf PP |
4601 | _BT_LOGE_NODE(entry_node, |
4602 | "Wrong expression in environment entry: " | |
08da4f77 | 4603 | "node-type=%d", entry_node->type); |
e98a2d6e PP |
4604 | ret = -EPERM; |
4605 | goto error; | |
4606 | } | |
4607 | ||
4608 | left = concatenate_unary_strings( | |
4609 | &entry_node->u.ctf_expression.left); | |
4610 | if (!left) { | |
28973adf PP |
4611 | _BT_LOGE_NODE(entry_node, |
4612 | "Cannot get environment entry's name."); | |
e98a2d6e PP |
4613 | ret = -EINVAL; |
4614 | goto error; | |
4615 | } | |
4616 | ||
4617 | if (is_unary_string(right_head)) { | |
4618 | char *right = concatenate_unary_strings(right_head); | |
4619 | ||
4620 | if (!right) { | |
28973adf PP |
4621 | _BT_LOGE_NODE(entry_node, |
4622 | "Unexpected unary expression for environment entry's value: " | |
08da4f77 | 4623 | "name=\"%s\"", left); |
e98a2d6e PP |
4624 | ret = -EINVAL; |
4625 | goto error; | |
4626 | } | |
4627 | ||
7bf5af54 PP |
4628 | if (strcmp(left, "tracer_name") == 0) { |
4629 | if (strncmp(right, "lttng", 5) == 0) { | |
4630 | BT_LOGI("Detected LTTng trace from `%s` environment value: " | |
4631 | "tracer-name=\"%s\"", | |
4632 | left, right); | |
4633 | ctx->is_lttng = 1; | |
f4421ff3 PP |
4634 | } |
4635 | } | |
4636 | ||
50842bdc | 4637 | ret = bt_trace_set_environment_field_string( |
e98a2d6e PP |
4638 | ctx->trace, left, right); |
4639 | g_free(right); | |
4640 | ||
4641 | if (ret) { | |
28973adf PP |
4642 | _BT_LOGE_NODE(entry_node, |
4643 | "Cannot add string environment entry to trace: " | |
08da4f77 | 4644 | "name=\"%s\", ret=%d", left, ret); |
e98a2d6e PP |
4645 | goto error; |
4646 | } | |
4647 | } else if (is_unary_unsigned(right_head) || | |
4648 | is_unary_signed(right_head)) { | |
4649 | int64_t v; | |
4650 | ||
4651 | if (is_unary_unsigned(right_head)) { | |
4652 | ret = get_unary_unsigned(right_head, | |
4653 | (uint64_t *) &v); | |
4654 | } else { | |
4655 | ret = get_unary_signed(right_head, &v); | |
4656 | } | |
4657 | if (ret) { | |
28973adf PP |
4658 | _BT_LOGE_NODE(entry_node, |
4659 | "Unexpected unary expression for environment entry's value: " | |
08da4f77 | 4660 | "name=\"%s\"", left); |
e98a2d6e PP |
4661 | ret = -EINVAL; |
4662 | goto error; | |
4663 | } | |
4664 | ||
50842bdc | 4665 | ret = bt_trace_set_environment_field_integer( |
e98a2d6e PP |
4666 | ctx->trace, left, v); |
4667 | if (ret) { | |
28973adf PP |
4668 | _BT_LOGE_NODE(entry_node, |
4669 | "Cannot add integer environment entry to trace: " | |
08da4f77 | 4670 | "name=\"%s\", ret=%d", left, ret); |
e98a2d6e PP |
4671 | goto error; |
4672 | } | |
4673 | } else { | |
28973adf PP |
4674 | _BT_LOGW_NODE(entry_node, |
4675 | "Environment entry has unknown type: " | |
08da4f77 | 4676 | "name=\"%s\"", left); |
e98a2d6e PP |
4677 | } |
4678 | ||
4679 | g_free(left); | |
4680 | left = NULL; | |
4681 | } | |
4682 | ||
4683 | end: | |
4684 | return 0; | |
4685 | ||
4686 | error: | |
4687 | g_free(left); | |
4688 | ||
4689 | return ret; | |
4690 | } | |
4691 | ||
4692 | static | |
4693 | int set_trace_byte_order(struct ctx *ctx, struct ctf_node *trace_node) | |
4694 | { | |
4695 | int ret = 0; | |
4696 | int set = 0; | |
4697 | char *left = NULL; | |
4698 | struct ctf_node *node; | |
4699 | struct bt_list_head *decl_list = &trace_node->u.trace.declaration_list; | |
4700 | ||
4701 | bt_list_for_each_entry(node, decl_list, siblings) { | |
4702 | if (node->type == NODE_CTF_EXPRESSION) { | |
4703 | struct ctf_node *right_node; | |
4704 | ||
4705 | left = concatenate_unary_strings( | |
4706 | &node->u.ctf_expression.left); | |
4707 | if (!left) { | |
28973adf PP |
4708 | _BT_LOGE_NODE(node, |
4709 | "Cannot concatenate unary strings."); | |
e98a2d6e PP |
4710 | ret = -EINVAL; |
4711 | goto error; | |
4712 | } | |
4713 | ||
4714 | if (!strcmp(left, "byte_order")) { | |
50842bdc | 4715 | enum bt_byte_order bo; |
e98a2d6e PP |
4716 | |
4717 | if (_IS_SET(&set, _TRACE_BYTE_ORDER_SET)) { | |
28973adf | 4718 | _BT_LOGE_DUP_ATTR(node, "byte_order", |
08da4f77 | 4719 | "trace"); |
e98a2d6e PP |
4720 | ret = -EPERM; |
4721 | goto error; | |
4722 | } | |
4723 | ||
4724 | _SET(&set, _TRACE_BYTE_ORDER_SET); | |
4725 | right_node = _BT_LIST_FIRST_ENTRY( | |
4726 | &node->u.ctf_expression.right, | |
4727 | struct ctf_node, siblings); | |
55314f2a | 4728 | bo = byte_order_from_unary_expr(right_node); |
50842bdc | 4729 | if (bo == BT_BYTE_ORDER_UNKNOWN) { |
28973adf PP |
4730 | _BT_LOGE_NODE(node, |
4731 | "Invalid `byte_order` attribute in trace (`trace` block): " | |
4732 | "expecting `le`, `be`, or `network`."); | |
e98a2d6e PP |
4733 | ret = -EINVAL; |
4734 | goto error; | |
50842bdc | 4735 | } else if (bo == BT_BYTE_ORDER_NATIVE) { |
28973adf PP |
4736 | _BT_LOGE_NODE(node, |
4737 | "Invalid `byte_order` attribute in trace (`trace` block): " | |
08da4f77 | 4738 | "cannot be set to `native` here."); |
e98a2d6e PP |
4739 | ret = -EPERM; |
4740 | goto error; | |
4741 | } | |
4742 | ||
1e649dff | 4743 | ctx->trace_bo = bo; |
50842bdc | 4744 | ret = bt_trace_set_native_byte_order( |
e98a2d6e PP |
4745 | ctx->trace, bo); |
4746 | if (ret) { | |
28973adf PP |
4747 | _BT_LOGE_NODE(node, |
4748 | "Cannot set trace's byte order: " | |
08da4f77 | 4749 | "ret=%d", ret); |
e98a2d6e PP |
4750 | goto error; |
4751 | } | |
4752 | } | |
4753 | ||
4754 | g_free(left); | |
4755 | left = NULL; | |
4756 | } | |
4757 | } | |
4758 | ||
4759 | if (!_IS_SET(&set, _TRACE_BYTE_ORDER_SET)) { | |
28973adf PP |
4760 | _BT_LOGE_NODE(trace_node, |
4761 | "Missing `byte_order` attribute in trace (`trace` block)."); | |
e98a2d6e PP |
4762 | ret = -EINVAL; |
4763 | goto error; | |
4764 | } | |
4765 | ||
4766 | return 0; | |
4767 | ||
4768 | error: | |
4769 | g_free(left); | |
4770 | ||
4771 | return ret; | |
4772 | } | |
4773 | ||
4774 | static | |
4775 | int visit_clock_decl_entry(struct ctx *ctx, struct ctf_node *entry_node, | |
50842bdc | 4776 | struct bt_clock_class *clock, int *set) |
e98a2d6e PP |
4777 | { |
4778 | int ret = 0; | |
4779 | char *left = NULL; | |
4780 | ||
4781 | if (entry_node->type != NODE_CTF_EXPRESSION) { | |
28973adf PP |
4782 | _BT_LOGE_NODE(entry_node, |
4783 | "Unexpected node type: node-type=%d", | |
4784 | entry_node->type); | |
e98a2d6e PP |
4785 | ret = -EPERM; |
4786 | goto error; | |
4787 | } | |
4788 | ||
4789 | left = concatenate_unary_strings(&entry_node->u.ctf_expression.left); | |
4790 | if (!left) { | |
28973adf | 4791 | _BT_LOGE_NODE(entry_node, "Cannot concatenate unary strings."); |
e98a2d6e PP |
4792 | ret = -EINVAL; |
4793 | goto error; | |
4794 | } | |
4795 | ||
4796 | if (!strcmp(left, "name")) { | |
4797 | char *right; | |
4798 | ||
4799 | if (_IS_SET(set, _CLOCK_NAME_SET)) { | |
28973adf | 4800 | _BT_LOGE_DUP_ATTR(entry_node, "name", "clock class"); |
e98a2d6e PP |
4801 | ret = -EPERM; |
4802 | goto error; | |
4803 | } | |
4804 | ||
4805 | right = concatenate_unary_strings( | |
4806 | &entry_node->u.ctf_expression.right); | |
4807 | if (!right) { | |
28973adf PP |
4808 | _BT_LOGE_NODE(entry_node, |
4809 | "Unexpected unary expression for clock class's `name` attribute."); | |
e98a2d6e PP |
4810 | ret = -EINVAL; |
4811 | goto error; | |
4812 | } | |
4813 | ||
50842bdc | 4814 | ret = bt_clock_class_set_name(clock, right); |
e98a2d6e | 4815 | if (ret) { |
28973adf PP |
4816 | _BT_LOGE_NODE(entry_node, |
4817 | "cannot set clock class's name"); | |
e98a2d6e PP |
4818 | g_free(right); |
4819 | goto error; | |
4820 | } | |
4821 | ||
4822 | g_free(right); | |
4823 | _SET(set, _CLOCK_NAME_SET); | |
4824 | } else if (!strcmp(left, "uuid")) { | |
4825 | unsigned char uuid[BABELTRACE_UUID_LEN]; | |
4826 | ||
4827 | if (_IS_SET(set, _CLOCK_UUID_SET)) { | |
28973adf | 4828 | _BT_LOGE_DUP_ATTR(entry_node, "uuid", "clock class"); |
e98a2d6e PP |
4829 | ret = -EPERM; |
4830 | goto error; | |
4831 | } | |
4832 | ||
4833 | ret = get_unary_uuid(&entry_node->u.ctf_expression.right, uuid); | |
4834 | if (ret) { | |
28973adf PP |
4835 | _BT_LOGE_NODE(entry_node, |
4836 | "Invalid clock class's `uuid` attribute."); | |
e98a2d6e PP |
4837 | goto error; |
4838 | } | |
4839 | ||
50842bdc | 4840 | ret = bt_clock_class_set_uuid(clock, uuid); |
e98a2d6e | 4841 | if (ret) { |
28973adf PP |
4842 | _BT_LOGE_NODE(entry_node, |
4843 | "Cannot set clock class's UUID."); | |
e98a2d6e PP |
4844 | goto error; |
4845 | } | |
4846 | ||
4847 | _SET(set, _CLOCK_UUID_SET); | |
4848 | } else if (!strcmp(left, "description")) { | |
4849 | char *right; | |
4850 | ||
4851 | if (_IS_SET(set, _CLOCK_DESCRIPTION_SET)) { | |
28973adf PP |
4852 | _BT_LOGE_DUP_ATTR(entry_node, "description", |
4853 | "clock class"); | |
e98a2d6e PP |
4854 | ret = -EPERM; |
4855 | goto error; | |
4856 | } | |
4857 | ||
4858 | right = concatenate_unary_strings( | |
4859 | &entry_node->u.ctf_expression.right); | |
4860 | if (!right) { | |
28973adf PP |
4861 | _BT_LOGE_NODE(entry_node, |
4862 | "Unexpected unary expression for clock class's `description` attribute."); | |
e98a2d6e PP |
4863 | ret = -EINVAL; |
4864 | goto error; | |
4865 | } | |
4866 | ||
50842bdc | 4867 | ret = bt_clock_class_set_description(clock, right); |
e98a2d6e | 4868 | if (ret) { |
28973adf PP |
4869 | _BT_LOGE_NODE(entry_node, |
4870 | "Cannot set clock class's description."); | |
e98a2d6e PP |
4871 | g_free(right); |
4872 | goto error; | |
4873 | } | |
4874 | ||
4875 | g_free(right); | |
4876 | _SET(set, _CLOCK_DESCRIPTION_SET); | |
4877 | } else if (!strcmp(left, "freq")) { | |
bc85036f | 4878 | uint64_t freq = -1ULL; |
e98a2d6e PP |
4879 | |
4880 | if (_IS_SET(set, _CLOCK_FREQ_SET)) { | |
28973adf | 4881 | _BT_LOGE_DUP_ATTR(entry_node, "freq", "clock class"); |
e98a2d6e PP |
4882 | ret = -EPERM; |
4883 | goto error; | |
4884 | } | |
4885 | ||
4886 | ret = get_unary_unsigned( | |
4887 | &entry_node->u.ctf_expression.right, &freq); | |
4888 | if (ret) { | |
28973adf PP |
4889 | _BT_LOGE_NODE(entry_node, |
4890 | "Unexpected unary expression for clock class's `freq` attribute."); | |
e98a2d6e PP |
4891 | ret = -EINVAL; |
4892 | goto error; | |
4893 | } | |
4894 | ||
239744fc PP |
4895 | if (freq == -1ULL || freq == 0) { |
4896 | _BT_LOGE_NODE(entry_node, | |
4897 | "Invalid clock class frequency: freq=%" PRIu64, | |
4898 | freq); | |
4899 | ret = -EINVAL; | |
4900 | goto error; | |
4901 | } | |
4902 | ||
50842bdc | 4903 | ret = bt_clock_class_set_frequency(clock, freq); |
e98a2d6e | 4904 | if (ret) { |
28973adf PP |
4905 | _BT_LOGE_NODE(entry_node, |
4906 | "Cannot set clock class's frequency."); | |
e98a2d6e PP |
4907 | goto error; |
4908 | } | |
4909 | ||
4910 | _SET(set, _CLOCK_FREQ_SET); | |
4911 | } else if (!strcmp(left, "precision")) { | |
4912 | uint64_t precision; | |
4913 | ||
4914 | if (_IS_SET(set, _CLOCK_PRECISION_SET)) { | |
28973adf PP |
4915 | _BT_LOGE_DUP_ATTR(entry_node, "precision", |
4916 | "clock class"); | |
e98a2d6e PP |
4917 | ret = -EPERM; |
4918 | goto error; | |
4919 | } | |
4920 | ||
4921 | ret = get_unary_unsigned( | |
4922 | &entry_node->u.ctf_expression.right, &precision); | |
4923 | if (ret) { | |
28973adf PP |
4924 | _BT_LOGE_NODE(entry_node, |
4925 | "Unexpected unary expression for clock class's `precision` attribute."); | |
e98a2d6e PP |
4926 | ret = -EINVAL; |
4927 | goto error; | |
4928 | } | |
4929 | ||
50842bdc | 4930 | ret = bt_clock_class_set_precision(clock, precision); |
e98a2d6e | 4931 | if (ret) { |
28973adf PP |
4932 | _BT_LOGE_NODE(entry_node, |
4933 | "Cannot set clock class's precision."); | |
e98a2d6e PP |
4934 | goto error; |
4935 | } | |
4936 | ||
4937 | _SET(set, _CLOCK_PRECISION_SET); | |
4938 | } else if (!strcmp(left, "offset_s")) { | |
fb4ac437 | 4939 | int64_t offset_s; |
e98a2d6e PP |
4940 | |
4941 | if (_IS_SET(set, _CLOCK_OFFSET_S_SET)) { | |
28973adf PP |
4942 | _BT_LOGE_DUP_ATTR(entry_node, "offset_s", |
4943 | "clock class"); | |
e98a2d6e PP |
4944 | ret = -EPERM; |
4945 | goto error; | |
4946 | } | |
4947 | ||
fb4ac437 | 4948 | ret = get_unary_signed( |
e98a2d6e PP |
4949 | &entry_node->u.ctf_expression.right, &offset_s); |
4950 | if (ret) { | |
28973adf PP |
4951 | _BT_LOGE_NODE(entry_node, |
4952 | "Unexpected unary expression for clock class's `offset_s` attribute."); | |
e98a2d6e PP |
4953 | ret = -EINVAL; |
4954 | goto error; | |
4955 | } | |
4956 | ||
50842bdc | 4957 | ret = bt_clock_class_set_offset_s(clock, offset_s); |
e98a2d6e | 4958 | if (ret) { |
28973adf PP |
4959 | _BT_LOGE_NODE(entry_node, |
4960 | "Cannot set clock class's offset in seconds."); | |
e98a2d6e PP |
4961 | goto error; |
4962 | } | |
4963 | ||
4964 | _SET(set, _CLOCK_OFFSET_S_SET); | |
4965 | } else if (!strcmp(left, "offset")) { | |
fb4ac437 | 4966 | int64_t offset; |
e98a2d6e PP |
4967 | |
4968 | if (_IS_SET(set, _CLOCK_OFFSET_SET)) { | |
28973adf | 4969 | _BT_LOGE_DUP_ATTR(entry_node, "offset", "clock class"); |
e98a2d6e PP |
4970 | ret = -EPERM; |
4971 | goto error; | |
4972 | } | |
4973 | ||
fb4ac437 | 4974 | ret = get_unary_signed( |
e98a2d6e PP |
4975 | &entry_node->u.ctf_expression.right, &offset); |
4976 | if (ret) { | |
28973adf PP |
4977 | _BT_LOGE_NODE(entry_node, |
4978 | "Unexpected unary expression for clock class's `offset` attribute."); | |
e98a2d6e PP |
4979 | ret = -EINVAL; |
4980 | goto error; | |
4981 | } | |
4982 | ||
50842bdc | 4983 | ret = bt_clock_class_set_offset_cycles(clock, offset); |
e98a2d6e | 4984 | if (ret) { |
28973adf PP |
4985 | _BT_LOGE_NODE(entry_node, |
4986 | "Cannot set clock class's offset in cycles."); | |
e98a2d6e PP |
4987 | goto error; |
4988 | } | |
4989 | ||
4990 | _SET(set, _CLOCK_OFFSET_SET); | |
4991 | } else if (!strcmp(left, "absolute")) { | |
4992 | struct ctf_node *right; | |
4993 | ||
4994 | if (_IS_SET(set, _CLOCK_ABSOLUTE_SET)) { | |
28973adf PP |
4995 | _BT_LOGE_DUP_ATTR(entry_node, "absolute", |
4996 | "clock class"); | |
e98a2d6e PP |
4997 | ret = -EPERM; |
4998 | goto error; | |
4999 | } | |
5000 | ||
5001 | right = _BT_LIST_FIRST_ENTRY( | |
5002 | &entry_node->u.ctf_expression.right, | |
5003 | struct ctf_node, siblings); | |
55314f2a | 5004 | ret = get_boolean(right); |
e98a2d6e | 5005 | if (ret < 0) { |
28973adf PP |
5006 | _BT_LOGE_NODE(entry_node, |
5007 | "Unexpected unary expression for clock class's `absolute` attribute."); | |
e98a2d6e PP |
5008 | ret = -EINVAL; |
5009 | goto error; | |
5010 | } | |
5011 | ||
50842bdc | 5012 | ret = bt_clock_class_set_is_absolute(clock, ret); |
e98a2d6e | 5013 | if (ret) { |
28973adf PP |
5014 | _BT_LOGE_NODE(entry_node, |
5015 | "Cannot set clock class's absolute flag."); | |
e98a2d6e PP |
5016 | goto error; |
5017 | } | |
5018 | ||
5019 | _SET(set, _CLOCK_ABSOLUTE_SET); | |
5020 | } else { | |
28973adf PP |
5021 | _BT_LOGW_NODE(entry_node, |
5022 | "Unknown attribute in clock class: attr-name=\"%s\"", | |
e98a2d6e PP |
5023 | left); |
5024 | } | |
5025 | ||
5026 | g_free(left); | |
5027 | left = NULL; | |
5028 | ||
5029 | return 0; | |
5030 | ||
5031 | error: | |
5032 | g_free(left); | |
5033 | ||
5034 | return ret; | |
5035 | } | |
5036 | ||
5037 | static | |
55314f2a | 5038 | int64_t cycles_from_ns(uint64_t frequency, int64_t ns) |
92540773 | 5039 | { |
55314f2a | 5040 | int64_t cycles; |
92540773 JD |
5041 | |
5042 | /* 1GHz */ | |
5043 | if (frequency == 1000000000ULL) { | |
5044 | cycles = ns; | |
5045 | } else { | |
5046 | cycles = (uint64_t) (((double) ns * (double) frequency) / 1e9); | |
5047 | } | |
5048 | ||
5049 | return cycles; | |
5050 | } | |
5051 | ||
5052 | static | |
50842bdc | 5053 | int apply_clock_class_offset(struct ctx *ctx, struct bt_clock_class *clock) |
92540773 JD |
5054 | { |
5055 | int ret; | |
5056 | uint64_t freq; | |
5057 | int64_t offset_cycles; | |
a2a54545 | 5058 | int64_t offset_to_apply; |
92540773 | 5059 | |
50842bdc | 5060 | freq = bt_clock_class_get_frequency(clock); |
92540773 | 5061 | if (freq == -1ULL) { |
08da4f77 | 5062 | BT_LOGE_STR("Cannot get clock class's frequency."); |
92540773 JD |
5063 | ret = -1; |
5064 | goto end; | |
5065 | } | |
5066 | ||
50842bdc | 5067 | ret = bt_clock_class_get_offset_cycles(clock, &offset_cycles); |
92540773 | 5068 | if (ret) { |
08da4f77 | 5069 | BT_LOGE_STR("Cannot get clock class's offset in cycles."); |
92540773 JD |
5070 | ret = -1; |
5071 | goto end; | |
5072 | } | |
5073 | ||
a2a54545 PP |
5074 | offset_to_apply = |
5075 | ctx->decoder_config.clock_class_offset_s * 1000000000LL + | |
5076 | ctx->decoder_config.clock_class_offset_ns; | |
5077 | offset_cycles += cycles_from_ns(freq, offset_to_apply); | |
50842bdc | 5078 | ret = bt_clock_class_set_offset_cycles(clock, offset_cycles); |
92540773 JD |
5079 | |
5080 | end: | |
5081 | return ret; | |
5082 | } | |
5083 | ||
5084 | static | |
1e649dff | 5085 | int visit_clock_decl(struct ctx *ctx, struct ctf_node *clock_node) |
e98a2d6e PP |
5086 | { |
5087 | int ret = 0; | |
5088 | int set = 0; | |
50842bdc | 5089 | struct bt_clock_class *clock; |
e98a2d6e PP |
5090 | struct ctf_node *entry_node; |
5091 | struct bt_list_head *decl_list = &clock_node->u.clock.declaration_list; | |
f4421ff3 | 5092 | const char *clock_class_name; |
e98a2d6e PP |
5093 | |
5094 | if (clock_node->visited) { | |
5095 | return 0; | |
5096 | } | |
5097 | ||
5098 | clock_node->visited = TRUE; | |
f3534905 PP |
5099 | |
5100 | /* CTF 1.8's default frequency for a clock class is 1 GHz */ | |
50842bdc | 5101 | clock = bt_clock_class_create(NULL, 1000000000); |
e98a2d6e | 5102 | if (!clock) { |
28973adf PP |
5103 | _BT_LOGE_NODE(clock_node, |
5104 | "Cannot create default clock class."); | |
e98a2d6e PP |
5105 | ret = -ENOMEM; |
5106 | goto error; | |
5107 | } | |
5108 | ||
5109 | bt_list_for_each_entry(entry_node, decl_list, siblings) { | |
5110 | ret = visit_clock_decl_entry(ctx, entry_node, clock, &set); | |
5111 | if (ret) { | |
28973adf PP |
5112 | _BT_LOGE_NODE(entry_node, |
5113 | "Cannot visit clock class's entry: ret=%d", | |
5114 | ret); | |
e98a2d6e PP |
5115 | goto error; |
5116 | } | |
5117 | } | |
5118 | ||
5119 | if (!_IS_SET(&set, _CLOCK_NAME_SET)) { | |
28973adf PP |
5120 | _BT_LOGE_NODE(clock_node, |
5121 | "Missing `name` attribute in clock class."); | |
e98a2d6e PP |
5122 | ret = -EPERM; |
5123 | goto error; | |
5124 | } | |
5125 | ||
50842bdc | 5126 | clock_class_name = bt_clock_class_get_name(clock); |
f6ccaed9 | 5127 | BT_ASSERT(clock_class_name); |
f4421ff3 PP |
5128 | if (ctx->is_lttng && strcmp(clock_class_name, "monotonic") == 0) { |
5129 | /* | |
5130 | * Old versions of LTTng forgot to set its clock class | |
5131 | * as absolute, even if it is. This is important because | |
5132 | * it's a condition to be able to sort notifications | |
5133 | * from different sources. | |
5134 | */ | |
50842bdc | 5135 | ret = bt_clock_class_set_is_absolute(clock, 1); |
f4421ff3 | 5136 | if (ret) { |
28973adf PP |
5137 | _BT_LOGE_NODE(clock_node, |
5138 | "Cannot set clock class's absolute flag."); | |
f4421ff3 PP |
5139 | goto error; |
5140 | } | |
e98a2d6e PP |
5141 | } |
5142 | ||
1e649dff | 5143 | ret = apply_clock_class_offset(ctx, clock); |
92540773 | 5144 | if (ret) { |
28973adf PP |
5145 | _BT_LOGE_NODE(clock_node, |
5146 | "Cannot apply clock class's custom offset."); | |
92540773 JD |
5147 | goto error; |
5148 | } | |
5149 | ||
50842bdc | 5150 | ret = bt_trace_add_clock_class(ctx->trace, clock); |
e98a2d6e | 5151 | if (ret) { |
28973adf PP |
5152 | _BT_LOGE_NODE(clock_node, |
5153 | "Cannot add clock class to trace."); | |
e98a2d6e PP |
5154 | goto error; |
5155 | } | |
5156 | ||
5157 | error: | |
5158 | BT_PUT(clock); | |
5159 | ||
5160 | return ret; | |
5161 | } | |
5162 | ||
5163 | static | |
5164 | int visit_root_decl(struct ctx *ctx, struct ctf_node *root_decl_node) | |
5165 | { | |
5166 | int ret = 0; | |
5167 | ||
5168 | if (root_decl_node->visited) { | |
5169 | goto end; | |
5170 | } | |
5171 | ||
5172 | root_decl_node->visited = TRUE; | |
5173 | ||
5174 | switch (root_decl_node->type) { | |
5175 | case NODE_TYPEDEF: | |
5176 | ret = visit_typedef(ctx, | |
5177 | root_decl_node->u._typedef.type_specifier_list, | |
5178 | &root_decl_node->u._typedef.type_declarators); | |
5179 | if (ret) { | |
28973adf PP |
5180 | _BT_LOGE_NODE(root_decl_node, |
5181 | "Cannot add type definition found in root scope."); | |
e98a2d6e PP |
5182 | goto end; |
5183 | } | |
5184 | break; | |
5185 | case NODE_TYPEALIAS: | |
5186 | ret = visit_typealias(ctx, root_decl_node->u.typealias.target, | |
5187 | root_decl_node->u.typealias.alias); | |
5188 | if (ret) { | |
28973adf PP |
5189 | _BT_LOGE_NODE(root_decl_node, |
5190 | "Cannot add type alias found in root scope."); | |
e98a2d6e PP |
5191 | goto end; |
5192 | } | |
5193 | break; | |
5194 | case NODE_TYPE_SPECIFIER_LIST: | |
5195 | { | |
50842bdc | 5196 | _BT_FIELD_TYPE_INIT(decl); |
e98a2d6e PP |
5197 | |
5198 | /* | |
5199 | * Just add the type specifier to the root | |
5200 | * declaration scope. Put local reference. | |
5201 | */ | |
5202 | ret = visit_type_specifier_list(ctx, root_decl_node, &decl); | |
5203 | if (ret) { | |
28973adf PP |
5204 | _BT_LOGE_NODE(root_decl_node, |
5205 | "Cannot visit root scope's field type: " | |
5206 | "ret=%d", ret); | |
f6ccaed9 | 5207 | BT_ASSERT(!decl); |
e98a2d6e PP |
5208 | goto end; |
5209 | } | |
5210 | ||
5211 | BT_PUT(decl); | |
5212 | break; | |
5213 | } | |
5214 | default: | |
28973adf PP |
5215 | _BT_LOGE_NODE(root_decl_node, |
5216 | "Unexpected node type: node-type=%d", | |
5217 | root_decl_node->type); | |
e98a2d6e PP |
5218 | ret = -EPERM; |
5219 | goto end; | |
5220 | } | |
5221 | ||
5222 | end: | |
5223 | return ret; | |
5224 | } | |
5225 | ||
91fd6f6a PP |
5226 | static |
5227 | int set_trace_name(struct ctx *ctx) | |
5228 | { | |
5229 | GString *name; | |
5230 | int ret = 0; | |
5231 | struct bt_value *value = NULL; | |
5232 | ||
f6ccaed9 | 5233 | BT_ASSERT(bt_trace_get_stream_class_count(ctx->trace) == 0); |
91fd6f6a PP |
5234 | name = g_string_new(NULL); |
5235 | if (!name) { | |
28973adf | 5236 | BT_LOGE_STR("Failed to allocate a GString."); |
91fd6f6a PP |
5237 | ret = -1; |
5238 | goto end; | |
5239 | } | |
5240 | ||
5241 | /* | |
5242 | * Check if we have a trace environment string value named `hostname`. | |
5243 | * If so, use it as the trace name's prefix. | |
5244 | */ | |
50842bdc | 5245 | value = bt_trace_get_environment_field_value_by_name(ctx->trace, |
91fd6f6a | 5246 | "hostname"); |
f6ccaed9 | 5247 | if (value && bt_value_is_string(value)) { |
91fd6f6a PP |
5248 | const char *hostname; |
5249 | ||
5250 | ret = bt_value_string_get(value, &hostname); | |
f6ccaed9 | 5251 | BT_ASSERT(ret == 0); |
91fd6f6a PP |
5252 | g_string_append(name, hostname); |
5253 | ||
5254 | if (ctx->trace_name_suffix) { | |
5255 | g_string_append_c(name, G_DIR_SEPARATOR); | |
5256 | } | |
5257 | } | |
5258 | ||
5259 | if (ctx->trace_name_suffix) { | |
5260 | g_string_append(name, ctx->trace_name_suffix); | |
5261 | } | |
5262 | ||
50842bdc | 5263 | ret = bt_trace_set_name(ctx->trace, name->str); |
91fd6f6a | 5264 | if (ret) { |
28973adf | 5265 | BT_LOGE("Cannot set trace's name: name=\"%s\"", name->str); |
91fd6f6a PP |
5266 | goto error; |
5267 | } | |
5268 | ||
5269 | goto end; | |
5270 | ||
5271 | error: | |
5272 | ret = -1; | |
5273 | ||
5274 | end: | |
5275 | bt_put(value); | |
5276 | ||
5277 | if (name) { | |
5278 | g_string_free(name, TRUE); | |
5279 | } | |
5280 | ||
5281 | return ret; | |
5282 | } | |
5283 | ||
e98a2d6e | 5284 | static |
1e649dff | 5285 | int move_ctx_stream_classes_to_trace(struct ctx *ctx) |
e98a2d6e | 5286 | { |
fde61d26 | 5287 | int ret = 0; |
e98a2d6e PP |
5288 | GHashTableIter iter; |
5289 | gpointer key, stream_class; | |
5290 | ||
91fd6f6a | 5291 | if (g_hash_table_size(ctx->stream_classes) > 0 && |
50842bdc | 5292 | bt_trace_get_stream_class_count(ctx->trace) == 0) { |
91fd6f6a PP |
5293 | /* |
5294 | * We're about to add the first stream class to the | |
5295 | * trace. This will freeze the trace, and after this | |
5296 | * we cannot set the name anymore. At this point, | |
5297 | * set the trace name. | |
5298 | */ | |
5299 | ret = set_trace_name(ctx); | |
5300 | if (ret) { | |
28973adf | 5301 | BT_LOGE_STR("Cannot set trace's name."); |
91fd6f6a PP |
5302 | goto end; |
5303 | } | |
5304 | } | |
5305 | ||
e98a2d6e PP |
5306 | g_hash_table_iter_init(&iter, ctx->stream_classes); |
5307 | ||
5308 | while (g_hash_table_iter_next(&iter, &key, &stream_class)) { | |
50842bdc | 5309 | ret = bt_trace_add_stream_class(ctx->trace, |
e98a2d6e PP |
5310 | stream_class); |
5311 | if (ret) { | |
50842bdc | 5312 | int64_t id = bt_stream_class_get_id(stream_class); |
08da4f77 | 5313 | BT_LOGE("Cannot add stream class to trace: id=%" PRId64, |
e98a2d6e PP |
5314 | id); |
5315 | goto end; | |
5316 | } | |
5317 | } | |
5318 | ||
1e649dff PP |
5319 | g_hash_table_remove_all(ctx->stream_classes); |
5320 | ||
e98a2d6e PP |
5321 | end: |
5322 | return ret; | |
5323 | } | |
5324 | ||
1e649dff | 5325 | BT_HIDDEN |
55314f2a | 5326 | struct ctf_visitor_generate_ir *ctf_visitor_generate_ir_create( |
a2a54545 PP |
5327 | const struct ctf_metadata_decoder_config *decoder_config, |
5328 | const char *name) | |
e98a2d6e | 5329 | { |
1e649dff | 5330 | int ret; |
e98a2d6e | 5331 | struct ctx *ctx = NULL; |
50842bdc | 5332 | struct bt_trace *trace; |
e98a2d6e | 5333 | |
50842bdc | 5334 | trace = bt_trace_create(); |
1e649dff | 5335 | if (!trace) { |
08da4f77 | 5336 | BT_LOGE_STR("Cannot create empty trace."); |
e98a2d6e PP |
5337 | goto error; |
5338 | } | |
5339 | ||
835b2d10 | 5340 | /* Set packet header to NULL to override the default one */ |
3dca2276 | 5341 | ret = bt_trace_set_packet_header_field_type(trace, NULL); |
e98a2d6e | 5342 | if (ret) { |
08da4f77 | 5343 | BT_LOGE_STR("Cannot reset initial trace's packet header field type."); |
e98a2d6e PP |
5344 | goto error; |
5345 | } | |
5346 | ||
1e649dff | 5347 | /* Create visitor's context */ |
a2a54545 | 5348 | ctx = ctx_create(trace, decoder_config, name); |
e98a2d6e | 5349 | if (!ctx) { |
08da4f77 | 5350 | BT_LOGE_STR("Cannot create visitor's context."); |
e98a2d6e PP |
5351 | goto error; |
5352 | } | |
5353 | ||
1e649dff PP |
5354 | trace = NULL; |
5355 | goto end; | |
5356 | ||
5357 | error: | |
5358 | ctx_destroy(ctx); | |
5359 | ctx = NULL; | |
5360 | ||
5361 | end: | |
5362 | bt_put(trace); | |
5363 | return (void *) ctx; | |
5364 | } | |
5365 | ||
5366 | BT_HIDDEN | |
5367 | void ctf_visitor_generate_ir_destroy(struct ctf_visitor_generate_ir *visitor) | |
5368 | { | |
5369 | ctx_destroy((void *) visitor); | |
5370 | } | |
5371 | ||
5372 | BT_HIDDEN | |
50842bdc | 5373 | struct bt_trace *ctf_visitor_generate_ir_get_trace( |
1e649dff PP |
5374 | struct ctf_visitor_generate_ir *visitor) |
5375 | { | |
5376 | struct ctx *ctx = (void *) visitor; | |
5377 | ||
f6ccaed9 PP |
5378 | BT_ASSERT(ctx); |
5379 | BT_ASSERT(ctx->trace); | |
1e649dff PP |
5380 | return bt_get(ctx->trace); |
5381 | } | |
5382 | ||
5383 | BT_HIDDEN | |
5384 | int ctf_visitor_generate_ir_visit_node(struct ctf_visitor_generate_ir *visitor, | |
5385 | struct ctf_node *node) | |
5386 | { | |
5387 | int ret = 0; | |
5388 | struct ctx *ctx = (void *) visitor; | |
5389 | ||
08da4f77 | 5390 | BT_LOGI_STR("Visiting metadata's AST to generate CTF IR objects."); |
1e649dff | 5391 | |
e98a2d6e PP |
5392 | switch (node->type) { |
5393 | case NODE_ROOT: | |
5394 | { | |
5395 | struct ctf_node *iter; | |
5396 | int got_trace_decl = FALSE; | |
e98a2d6e PP |
5397 | |
5398 | /* | |
1e649dff PP |
5399 | * The first thing we need is the native byte order of |
5400 | * the trace block, because early type aliases can have | |
5401 | * a `byte_order` attribute set to `native`. If we don't | |
5402 | * have the native byte order yet, and we don't have any | |
5403 | * trace block yet, then fail with EINCOMPLETE. | |
e98a2d6e | 5404 | */ |
50842bdc | 5405 | if (ctx->trace_bo == BT_BYTE_ORDER_NATIVE) { |
1e649dff PP |
5406 | bt_list_for_each_entry(iter, &node->u.root.trace, siblings) { |
5407 | if (got_trace_decl) { | |
28973adf PP |
5408 | _BT_LOGE_NODE(node, |
5409 | "Duplicate trace (`trace` block)."); | |
1e649dff PP |
5410 | ret = -1; |
5411 | goto end; | |
5412 | } | |
e98a2d6e | 5413 | |
1e649dff PP |
5414 | ret = set_trace_byte_order(ctx, iter); |
5415 | if (ret) { | |
28973adf PP |
5416 | _BT_LOGE_NODE(node, |
5417 | "Cannot set trace's native byte order: " | |
08da4f77 | 5418 | "ret=%d", ret); |
1e649dff PP |
5419 | goto end; |
5420 | } | |
5421 | ||
5422 | got_trace_decl = TRUE; | |
e98a2d6e PP |
5423 | } |
5424 | ||
1e649dff | 5425 | if (!got_trace_decl) { |
28973adf | 5426 | BT_LOGD_STR("Incomplete AST: need trace (`trace` block)."); |
1e649dff PP |
5427 | ret = -EINCOMPLETE; |
5428 | goto end; | |
5429 | } | |
e98a2d6e PP |
5430 | } |
5431 | ||
f6ccaed9 | 5432 | BT_ASSERT(ctx->trace_bo == BT_BYTE_ORDER_LITTLE_ENDIAN || |
50842bdc | 5433 | ctx->trace_bo == BT_BYTE_ORDER_BIG_ENDIAN); |
f6ccaed9 | 5434 | BT_ASSERT(ctx->current_scope && |
1e649dff | 5435 | ctx->current_scope->parent_scope == NULL); |
e98a2d6e | 5436 | |
f4421ff3 PP |
5437 | /* Environment */ |
5438 | bt_list_for_each_entry(iter, &node->u.root.env, siblings) { | |
5439 | ret = visit_env(ctx, iter); | |
5440 | if (ret) { | |
28973adf PP |
5441 | _BT_LOGE_NODE(iter, |
5442 | "Cannot visit trace's environment (`env` block) entry: " | |
08da4f77 | 5443 | "ret=%d", ret); |
f4421ff3 PP |
5444 | goto end; |
5445 | } | |
5446 | } | |
5447 | ||
f6ccaed9 | 5448 | BT_ASSERT(ctx->current_scope && |
f4421ff3 PP |
5449 | ctx->current_scope->parent_scope == NULL); |
5450 | ||
e98a2d6e | 5451 | /* |
f4421ff3 | 5452 | * Visit clock blocks. |
e98a2d6e PP |
5453 | */ |
5454 | bt_list_for_each_entry(iter, &node->u.root.clock, siblings) { | |
1e649dff | 5455 | ret = visit_clock_decl(ctx, iter); |
e98a2d6e | 5456 | if (ret) { |
28973adf PP |
5457 | _BT_LOGE_NODE(iter, |
5458 | "Cannot visit clock class: ret=%d", | |
e98a2d6e | 5459 | ret); |
1e649dff | 5460 | goto end; |
e98a2d6e PP |
5461 | } |
5462 | } | |
5463 | ||
f6ccaed9 | 5464 | BT_ASSERT(ctx->current_scope && |
1e649dff PP |
5465 | ctx->current_scope->parent_scope == NULL); |
5466 | ||
e98a2d6e PP |
5467 | /* |
5468 | * Visit root declarations next, as they can be used by any | |
5469 | * following entity. | |
5470 | */ | |
5471 | bt_list_for_each_entry(iter, &node->u.root.declaration_list, | |
5472 | siblings) { | |
5473 | ret = visit_root_decl(ctx, iter); | |
5474 | if (ret) { | |
28973adf PP |
5475 | _BT_LOGE_NODE(iter, |
5476 | "Cannot visit root entry: ret=%d", | |
e98a2d6e | 5477 | ret); |
1e649dff | 5478 | goto end; |
e98a2d6e PP |
5479 | } |
5480 | } | |
5481 | ||
f6ccaed9 | 5482 | BT_ASSERT(ctx->current_scope && |
1e649dff PP |
5483 | ctx->current_scope->parent_scope == NULL); |
5484 | ||
5485 | /* Callsite blocks are not supported */ | |
e98a2d6e | 5486 | bt_list_for_each_entry(iter, &node->u.root.callsite, siblings) { |
28973adf PP |
5487 | _BT_LOGW_NODE(iter, |
5488 | "\"callsite\" blocks are not supported as of this version."); | |
e98a2d6e PP |
5489 | } |
5490 | ||
f6ccaed9 | 5491 | BT_ASSERT(ctx->current_scope && |
1e649dff PP |
5492 | ctx->current_scope->parent_scope == NULL); |
5493 | ||
e98a2d6e PP |
5494 | /* Trace */ |
5495 | bt_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
5496 | ret = visit_trace_decl(ctx, iter); | |
5497 | if (ret) { | |
28973adf PP |
5498 | _BT_LOGE_NODE(iter, |
5499 | "Cannot visit trace (`trace` block): " | |
08da4f77 | 5500 | "ret=%d", ret); |
1e649dff | 5501 | goto end; |
e98a2d6e PP |
5502 | } |
5503 | } | |
5504 | ||
f6ccaed9 | 5505 | BT_ASSERT(ctx->current_scope && |
1e649dff PP |
5506 | ctx->current_scope->parent_scope == NULL); |
5507 | ||
e98a2d6e PP |
5508 | /* Streams */ |
5509 | bt_list_for_each_entry(iter, &node->u.root.stream, siblings) { | |
5510 | ret = visit_stream_decl(ctx, iter); | |
5511 | if (ret) { | |
28973adf PP |
5512 | _BT_LOGE_NODE(iter, |
5513 | "Cannot visit stream class: ret=%d", | |
08da4f77 | 5514 | ret); |
1e649dff | 5515 | goto end; |
e98a2d6e PP |
5516 | } |
5517 | } | |
5518 | ||
f6ccaed9 | 5519 | BT_ASSERT(ctx->current_scope && |
1e649dff PP |
5520 | ctx->current_scope->parent_scope == NULL); |
5521 | ||
e98a2d6e PP |
5522 | /* Events */ |
5523 | bt_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
5524 | ret = visit_event_decl(ctx, iter); | |
5525 | if (ret) { | |
28973adf PP |
5526 | _BT_LOGE_NODE(iter, |
5527 | "Cannot visit event class: ret=%d", | |
08da4f77 | 5528 | ret); |
1e649dff | 5529 | goto end; |
e98a2d6e PP |
5530 | } |
5531 | } | |
1e649dff | 5532 | |
f6ccaed9 | 5533 | BT_ASSERT(ctx->current_scope && |
1e649dff | 5534 | ctx->current_scope->parent_scope == NULL); |
e98a2d6e PP |
5535 | break; |
5536 | } | |
e98a2d6e | 5537 | default: |
28973adf PP |
5538 | _BT_LOGE_NODE(node, |
5539 | "Unexpected node type: node-type=%d", | |
08da4f77 | 5540 | node->type); |
e98a2d6e | 5541 | ret = -EINVAL; |
1e649dff | 5542 | goto end; |
e98a2d6e PP |
5543 | } |
5544 | ||
1e649dff PP |
5545 | /* Move decoded stream classes to trace, if any */ |
5546 | ret = move_ctx_stream_classes_to_trace(ctx); | |
e98a2d6e | 5547 | if (ret) { |
08da4f77 | 5548 | BT_LOGE("Cannot move stream classes to trace: ret=%d", ret); |
e98a2d6e PP |
5549 | } |
5550 | ||
1e649dff | 5551 | end: |
e98a2d6e PP |
5552 | return ret; |
5553 | } |