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1c822dfb JG |
1 | /* |
2 | * field-types.c | |
3 | * | |
4 | * Babeltrace CTF IR - Event Types | |
5 | * | |
6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-ir/field-types-internal.h> | |
30 | #include <babeltrace/ctf-ir/field-path-internal.h> | |
31 | #include <babeltrace/ctf-ir/utils.h> | |
32 | #include <babeltrace/ref.h> | |
33 | #include <babeltrace/ctf-ir/clock.h> | |
34 | #include <babeltrace/ctf-ir/clock-internal.h> | |
35 | #include <babeltrace/ctf-writer/writer-internal.h> | |
36 | #include <babeltrace/object-internal.h> | |
37 | #include <babeltrace/ref.h> | |
38 | #include <babeltrace/compiler.h> | |
39 | #include <babeltrace/endian.h> | |
40 | #include <float.h> | |
41 | #include <inttypes.h> | |
42 | #include <stdlib.h> | |
43 | ||
44 | struct range_overlap_query { | |
45 | union { | |
46 | uint64_t _unsigned; | |
47 | int64_t _signed; | |
48 | } range_start; | |
49 | ||
50 | union { | |
51 | uint64_t _unsigned; | |
52 | int64_t _signed; | |
53 | } range_end; | |
54 | int overlaps; | |
55 | GQuark mapping_name; | |
56 | }; | |
57 | ||
58 | static | |
59 | void bt_ctf_field_type_destroy(struct bt_object *); | |
60 | static | |
61 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *); | |
62 | static | |
63 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *); | |
64 | static | |
65 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *); | |
66 | static | |
67 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *); | |
68 | static | |
69 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *); | |
70 | static | |
71 | void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *); | |
72 | static | |
73 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *); | |
74 | static | |
75 | void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *); | |
76 | ||
77 | static | |
78 | void (* const type_destroy_funcs[])(struct bt_ctf_field_type *) = { | |
79 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_destroy, | |
80 | [BT_CTF_TYPE_ID_ENUM] = | |
81 | bt_ctf_field_type_enumeration_destroy, | |
82 | [BT_CTF_TYPE_ID_FLOAT] = | |
83 | bt_ctf_field_type_floating_point_destroy, | |
84 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_destroy, | |
85 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_destroy, | |
86 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_destroy, | |
87 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_destroy, | |
88 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_destroy, | |
89 | }; | |
90 | ||
91 | static | |
92 | void generic_field_type_freeze(struct bt_ctf_field_type *); | |
93 | static | |
94 | void bt_ctf_field_type_integer_freeze(struct bt_ctf_field_type *); | |
95 | static | |
96 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *); | |
97 | static | |
98 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *); | |
99 | static | |
100 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *); | |
101 | static | |
102 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *); | |
103 | static | |
104 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *); | |
105 | ||
106 | static | |
107 | type_freeze_func const type_freeze_funcs[] = { | |
108 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_freeze, | |
109 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_freeze, | |
110 | [BT_CTF_TYPE_ID_FLOAT] = generic_field_type_freeze, | |
111 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_freeze, | |
112 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_freeze, | |
113 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_freeze, | |
114 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_freeze, | |
115 | [BT_CTF_TYPE_ID_STRING] = generic_field_type_freeze, | |
116 | }; | |
117 | ||
118 | static | |
119 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *, | |
120 | struct metadata_context *); | |
121 | static | |
122 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *, | |
123 | struct metadata_context *); | |
124 | static | |
125 | int bt_ctf_field_type_floating_point_serialize( | |
126 | struct bt_ctf_field_type *, struct metadata_context *); | |
127 | static | |
128 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *, | |
129 | struct metadata_context *); | |
130 | static | |
131 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *, | |
132 | struct metadata_context *); | |
133 | static | |
134 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *, | |
135 | struct metadata_context *); | |
136 | static | |
137 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *, | |
138 | struct metadata_context *); | |
139 | static | |
140 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *, | |
141 | struct metadata_context *); | |
142 | ||
143 | static | |
144 | type_serialize_func const type_serialize_funcs[] = { | |
145 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_serialize, | |
146 | [BT_CTF_TYPE_ID_ENUM] = | |
147 | bt_ctf_field_type_enumeration_serialize, | |
148 | [BT_CTF_TYPE_ID_FLOAT] = | |
149 | bt_ctf_field_type_floating_point_serialize, | |
150 | [BT_CTF_TYPE_ID_STRUCT] = | |
151 | bt_ctf_field_type_structure_serialize, | |
152 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_serialize, | |
153 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_serialize, | |
154 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_serialize, | |
155 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_serialize, | |
156 | }; | |
157 | ||
158 | static | |
159 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *, | |
160 | int byte_order, int set_native); | |
161 | static | |
162 | void bt_ctf_field_type_enumeration_set_byte_order(struct bt_ctf_field_type *, | |
163 | int byte_order, int set_native); | |
164 | static | |
165 | void bt_ctf_field_type_floating_point_set_byte_order( | |
166 | struct bt_ctf_field_type *, int byte_order, int set_native); | |
167 | static | |
168 | void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *, | |
169 | int byte_order, int set_native); | |
170 | static | |
171 | void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *, | |
172 | int byte_order, int set_native); | |
173 | static | |
174 | void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *, | |
175 | int byte_order, int set_native); | |
176 | static | |
177 | void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *, | |
178 | int byte_order, int set_native); | |
179 | ||
180 | /* The set_native flag only set the byte order if it is set to native */ | |
181 | static | |
182 | void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *, | |
183 | int byte_order, int set_native) = { | |
184 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_set_byte_order, | |
185 | [BT_CTF_TYPE_ID_ENUM] = | |
186 | bt_ctf_field_type_enumeration_set_byte_order, | |
187 | [BT_CTF_TYPE_ID_FLOAT] = | |
188 | bt_ctf_field_type_floating_point_set_byte_order, | |
189 | [BT_CTF_TYPE_ID_STRUCT] = | |
190 | bt_ctf_field_type_structure_set_byte_order, | |
191 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_set_byte_order, | |
192 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_set_byte_order, | |
193 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_set_byte_order, | |
194 | [BT_CTF_TYPE_ID_STRING] = NULL, | |
195 | }; | |
196 | ||
197 | static | |
198 | struct bt_ctf_field_type *bt_ctf_field_type_integer_copy( | |
199 | struct bt_ctf_field_type *); | |
200 | static | |
201 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy( | |
202 | struct bt_ctf_field_type *); | |
203 | static | |
204 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy( | |
205 | struct bt_ctf_field_type *); | |
206 | static | |
207 | struct bt_ctf_field_type *bt_ctf_field_type_structure_copy( | |
208 | struct bt_ctf_field_type *); | |
209 | static | |
210 | struct bt_ctf_field_type *bt_ctf_field_type_variant_copy( | |
211 | struct bt_ctf_field_type *); | |
212 | static | |
213 | struct bt_ctf_field_type *bt_ctf_field_type_array_copy( | |
214 | struct bt_ctf_field_type *); | |
215 | static | |
216 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy( | |
217 | struct bt_ctf_field_type *); | |
218 | static | |
219 | struct bt_ctf_field_type *bt_ctf_field_type_string_copy( | |
220 | struct bt_ctf_field_type *); | |
221 | ||
222 | static | |
223 | struct bt_ctf_field_type *(* const type_copy_funcs[])( | |
224 | struct bt_ctf_field_type *) = { | |
225 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_copy, | |
226 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_copy, | |
227 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_copy, | |
228 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_copy, | |
229 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_copy, | |
230 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_copy, | |
231 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_copy, | |
232 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_copy, | |
233 | }; | |
234 | ||
235 | static | |
236 | int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *, | |
237 | struct bt_ctf_field_type *); | |
238 | static | |
239 | int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *, | |
240 | struct bt_ctf_field_type *); | |
241 | static | |
242 | int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *, | |
243 | struct bt_ctf_field_type *); | |
244 | static | |
245 | int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *, | |
246 | struct bt_ctf_field_type *); | |
247 | static | |
248 | int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *, | |
249 | struct bt_ctf_field_type *); | |
250 | static | |
251 | int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *, | |
252 | struct bt_ctf_field_type *); | |
253 | static | |
254 | int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *, | |
255 | struct bt_ctf_field_type *); | |
256 | static | |
257 | int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *, | |
258 | struct bt_ctf_field_type *); | |
259 | ||
260 | static | |
261 | int (* const type_compare_funcs[])(struct bt_ctf_field_type *, | |
262 | struct bt_ctf_field_type *) = { | |
263 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_compare, | |
264 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_compare, | |
265 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_compare, | |
266 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_compare, | |
267 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_compare, | |
268 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_compare, | |
269 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_compare, | |
270 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_compare, | |
271 | }; | |
272 | ||
273 | static | |
274 | int bt_ctf_field_type_integer_validate(struct bt_ctf_field_type *); | |
275 | static | |
276 | int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *); | |
277 | static | |
278 | int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *); | |
279 | static | |
280 | int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *); | |
281 | static | |
282 | int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *); | |
283 | static | |
284 | int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *); | |
285 | ||
286 | static | |
287 | int (* const type_validate_funcs[])(struct bt_ctf_field_type *) = { | |
288 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_validate, | |
289 | [BT_CTF_TYPE_ID_FLOAT] = NULL, | |
290 | [BT_CTF_TYPE_ID_STRING] = NULL, | |
291 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_validate, | |
292 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_validate, | |
293 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_validate, | |
294 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_validate, | |
295 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_validate, | |
296 | }; | |
297 | ||
298 | static | |
299 | void destroy_enumeration_mapping(struct enumeration_mapping *mapping) | |
300 | { | |
301 | g_free(mapping); | |
302 | } | |
303 | ||
304 | static | |
305 | void destroy_structure_field(struct structure_field *field) | |
306 | { | |
307 | bt_put(field->type); | |
308 | g_free(field); | |
309 | } | |
310 | ||
311 | static | |
312 | void check_ranges_overlap(gpointer element, gpointer query) | |
313 | { | |
314 | struct enumeration_mapping *mapping = element; | |
315 | struct range_overlap_query *overlap_query = query; | |
316 | ||
317 | if (mapping->range_start._signed <= overlap_query->range_end._signed | |
318 | && overlap_query->range_start._signed <= | |
319 | mapping->range_end._signed) { | |
320 | overlap_query->overlaps = 1; | |
321 | overlap_query->mapping_name = mapping->string; | |
322 | } | |
323 | ||
324 | overlap_query->overlaps |= | |
325 | mapping->string == overlap_query->mapping_name; | |
326 | } | |
327 | ||
328 | static | |
329 | void check_ranges_overlap_unsigned(gpointer element, gpointer query) | |
330 | { | |
331 | struct enumeration_mapping *mapping = element; | |
332 | struct range_overlap_query *overlap_query = query; | |
333 | ||
334 | if (mapping->range_start._unsigned <= overlap_query->range_end._unsigned | |
335 | && overlap_query->range_start._unsigned <= | |
336 | mapping->range_end._unsigned) { | |
337 | overlap_query->overlaps = 1; | |
338 | overlap_query->mapping_name = mapping->string; | |
339 | } | |
340 | ||
341 | overlap_query->overlaps |= | |
342 | mapping->string == overlap_query->mapping_name; | |
343 | } | |
344 | ||
345 | static | |
346 | gint compare_enumeration_mappings_signed(struct enumeration_mapping **a, | |
347 | struct enumeration_mapping **b) | |
348 | { | |
349 | return ((*a)->range_start._signed < (*b)->range_start._signed) ? -1 : 1; | |
350 | } | |
351 | ||
352 | static | |
353 | gint compare_enumeration_mappings_unsigned(struct enumeration_mapping **a, | |
354 | struct enumeration_mapping **b) | |
355 | { | |
356 | return ((*a)->range_start._unsigned < (*b)->range_start._unsigned) ? -1 : 1; | |
357 | } | |
358 | ||
359 | static | |
360 | void bt_ctf_field_type_init(struct bt_ctf_field_type *type, int init_bo) | |
361 | { | |
362 | enum bt_ctf_type_id type_id = type->declaration->id; | |
363 | ||
364 | assert(type && (type_id > BT_CTF_TYPE_ID_UNKNOWN) && | |
365 | (type_id < BT_CTF_NR_TYPE_IDS)); | |
366 | ||
367 | bt_object_init(type, bt_ctf_field_type_destroy); | |
368 | type->freeze = type_freeze_funcs[type_id]; | |
369 | type->serialize = type_serialize_funcs[type_id]; | |
370 | ||
371 | if (init_bo) { | |
372 | int ret = bt_ctf_field_type_set_byte_order(type, | |
373 | BT_CTF_BYTE_ORDER_NATIVE); | |
374 | assert(!ret); | |
375 | } | |
376 | ||
377 | type->declaration->alignment = 1; | |
378 | } | |
379 | ||
380 | static | |
381 | int add_structure_field(GPtrArray *fields, | |
382 | GHashTable *field_name_to_index, | |
383 | struct bt_ctf_field_type *field_type, | |
384 | const char *field_name) | |
385 | { | |
386 | int ret = 0; | |
387 | GQuark name_quark = g_quark_from_string(field_name); | |
388 | struct structure_field *field; | |
389 | ||
390 | /* Make sure structure does not contain a field of the same name */ | |
391 | if (g_hash_table_lookup_extended(field_name_to_index, | |
392 | GUINT_TO_POINTER(name_quark), NULL, NULL)) { | |
393 | ret = -1; | |
394 | goto end; | |
395 | } | |
396 | ||
397 | field = g_new0(struct structure_field, 1); | |
398 | if (!field) { | |
399 | ret = -1; | |
400 | goto end; | |
401 | } | |
402 | ||
403 | bt_get(field_type); | |
404 | field->name = name_quark; | |
405 | field->type = field_type; | |
406 | g_hash_table_insert(field_name_to_index, | |
407 | (gpointer) (unsigned long) name_quark, | |
408 | (gpointer) (unsigned long) fields->len); | |
409 | g_ptr_array_add(fields, field); | |
410 | end: | |
411 | return ret; | |
412 | } | |
413 | ||
414 | static | |
415 | void bt_ctf_field_type_destroy(struct bt_object *obj) | |
416 | { | |
417 | struct bt_ctf_field_type *type; | |
418 | enum bt_ctf_type_id type_id; | |
419 | ||
420 | type = container_of(obj, struct bt_ctf_field_type, base); | |
421 | type_id = type->declaration->id; | |
422 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || | |
423 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
424 | return; | |
425 | } | |
426 | ||
427 | type_destroy_funcs[type_id](type); | |
428 | } | |
429 | ||
430 | static | |
431 | int bt_ctf_field_type_integer_validate(struct bt_ctf_field_type *type) | |
432 | { | |
433 | int ret = 0; | |
434 | ||
435 | struct bt_ctf_field_type_integer *integer = | |
436 | container_of(type, struct bt_ctf_field_type_integer, | |
437 | parent); | |
438 | ||
439 | if (integer->mapped_clock && integer->declaration.signedness) { | |
440 | ret = -1; | |
441 | goto end; | |
442 | } | |
443 | ||
444 | end: | |
445 | return ret; | |
446 | } | |
447 | ||
448 | static | |
449 | int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *type) | |
450 | { | |
451 | int ret = 0; | |
452 | ||
453 | struct bt_ctf_field_type_enumeration *enumeration = | |
454 | container_of(type, struct bt_ctf_field_type_enumeration, | |
455 | parent); | |
456 | struct bt_ctf_field_type *container_type = | |
457 | bt_ctf_field_type_enumeration_get_container_type(type); | |
458 | ||
459 | if (!container_type) { | |
460 | ret = -1; | |
461 | goto end; | |
462 | } | |
463 | ||
464 | ret = bt_ctf_field_type_validate(container_type); | |
465 | if (ret) { | |
466 | goto end; | |
467 | } | |
468 | ||
469 | /* Ensure enum has entries */ | |
470 | ret = enumeration->entries->len ? 0 : -1; | |
471 | ||
472 | end: | |
473 | BT_PUT(container_type); | |
474 | return ret; | |
475 | } | |
476 | ||
477 | static | |
478 | int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *type) | |
479 | { | |
480 | int ret = 0; | |
481 | struct bt_ctf_field_type *element_type = NULL; | |
482 | struct bt_ctf_field_type_sequence *sequence = | |
483 | container_of(type, struct bt_ctf_field_type_sequence, | |
484 | parent); | |
485 | ||
486 | /* Length field name should be set at this point */ | |
487 | if (sequence->length_field_name->len == 0) { | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
492 | element_type = bt_ctf_field_type_sequence_get_element_type(type); | |
493 | if (!element_type) { | |
494 | ret = -1; | |
495 | goto end; | |
496 | } | |
497 | ||
498 | ret = bt_ctf_field_type_validate(element_type); | |
499 | ||
500 | end: | |
501 | BT_PUT(element_type); | |
502 | ||
503 | return ret; | |
504 | } | |
505 | ||
506 | static | |
507 | int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *type) | |
508 | { | |
509 | int ret = 0; | |
510 | struct bt_ctf_field_type *element_type = NULL; | |
511 | ||
512 | element_type = bt_ctf_field_type_array_get_element_type(type); | |
513 | if (!element_type) { | |
514 | ret = -1; | |
515 | goto end; | |
516 | } | |
517 | ||
518 | ret = bt_ctf_field_type_validate(element_type); | |
519 | ||
520 | end: | |
521 | BT_PUT(element_type); | |
522 | ||
523 | return ret; | |
524 | } | |
525 | ||
526 | static | |
527 | int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *type) | |
528 | { | |
529 | int ret = 0; | |
530 | struct bt_ctf_field_type *child_type = NULL; | |
531 | int field_count = bt_ctf_field_type_structure_get_field_count(type); | |
532 | int i; | |
533 | ||
534 | if (field_count < 0) { | |
535 | ret = -1; | |
536 | goto end; | |
537 | } | |
538 | ||
539 | for (i = 0; i < field_count; ++i) { | |
540 | ret = bt_ctf_field_type_structure_get_field(type, | |
541 | NULL, &child_type, i); | |
542 | if (ret) { | |
543 | goto end; | |
544 | } | |
545 | ||
546 | ret = bt_ctf_field_type_validate(child_type); | |
547 | if (ret) { | |
548 | goto end; | |
549 | } | |
550 | ||
551 | BT_PUT(child_type); | |
552 | } | |
553 | ||
554 | end: | |
555 | BT_PUT(child_type); | |
556 | ||
557 | return ret; | |
558 | } | |
559 | ||
560 | static | |
561 | int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *type) | |
562 | { | |
563 | int ret = 0; | |
564 | int field_count; | |
565 | struct bt_ctf_field_type *child_type = NULL; | |
566 | struct bt_ctf_field_type_variant *variant = | |
567 | container_of(type, struct bt_ctf_field_type_variant, | |
568 | parent); | |
569 | int i; | |
570 | int tag_mappings_count; | |
571 | ||
572 | if (variant->tag_name->len == 0 || !variant->tag) { | |
573 | ret = -1; | |
574 | goto end; | |
575 | } | |
576 | ||
577 | tag_mappings_count = | |
578 | bt_ctf_field_type_enumeration_get_mapping_count( | |
579 | (struct bt_ctf_field_type *) variant->tag); | |
580 | ||
581 | if (tag_mappings_count != variant->fields->len) { | |
582 | ret = -1; | |
583 | goto end; | |
584 | } | |
585 | ||
586 | for (i = 0; i < tag_mappings_count; ++i) { | |
587 | const char *label; | |
588 | int64_t range_start, range_end; | |
589 | struct bt_ctf_field_type *ft; | |
590 | ||
591 | ret = bt_ctf_field_type_enumeration_get_mapping( | |
592 | (struct bt_ctf_field_type *) variant->tag, | |
593 | i, &label, &range_start, &range_end); | |
594 | if (ret) { | |
595 | goto end; | |
596 | } | |
597 | if (!label) { | |
598 | ret = -1; | |
599 | goto end; | |
600 | } | |
601 | ||
602 | ft = bt_ctf_field_type_variant_get_field_type_by_name( | |
603 | type, label); | |
604 | if (!ft) { | |
605 | ret = -1; | |
606 | goto end; | |
607 | } | |
608 | ||
609 | BT_PUT(ft); | |
610 | } | |
611 | ||
612 | field_count = bt_ctf_field_type_variant_get_field_count(type); | |
613 | if (field_count < 0) { | |
614 | ret = -1; | |
615 | goto end; | |
616 | } | |
617 | ||
618 | for (i = 0; i < field_count; ++i) { | |
619 | ret = bt_ctf_field_type_variant_get_field(type, | |
620 | NULL, &child_type, i); | |
621 | if (ret) { | |
622 | goto end; | |
623 | } | |
624 | ||
625 | ret = bt_ctf_field_type_validate(child_type); | |
626 | if (ret) { | |
627 | goto end; | |
628 | } | |
629 | ||
630 | BT_PUT(child_type); | |
631 | } | |
632 | ||
633 | end: | |
634 | BT_PUT(child_type); | |
635 | ||
636 | return ret; | |
637 | } | |
638 | ||
639 | /* | |
640 | * This function validates a given field type without considering | |
641 | * where this field type is located. It only validates the properties | |
642 | * of the given field type and the properties of its children if | |
643 | * applicable. | |
644 | */ | |
645 | BT_HIDDEN | |
646 | int bt_ctf_field_type_validate(struct bt_ctf_field_type *type) | |
647 | { | |
648 | int ret = 0; | |
649 | enum bt_ctf_type_id id = bt_ctf_field_type_get_type_id(type); | |
650 | ||
651 | if (!type) { | |
652 | ret = -1; | |
653 | goto end; | |
654 | } | |
655 | ||
656 | if (type->valid) { | |
657 | /* Already marked as valid */ | |
658 | goto end; | |
659 | } | |
660 | ||
661 | if (type_validate_funcs[id]) { | |
662 | ret = type_validate_funcs[id](type); | |
663 | } | |
664 | ||
665 | if (!ret && type->frozen) { | |
666 | /* Field type is valid */ | |
667 | type->valid = 1; | |
668 | } | |
669 | ||
670 | end: | |
671 | return ret; | |
672 | } | |
673 | ||
674 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) | |
675 | { | |
676 | struct bt_ctf_field_type_integer *integer = | |
677 | g_new0(struct bt_ctf_field_type_integer, 1); | |
678 | ||
679 | if (!integer || size == 0 || size > 64) { | |
680 | return NULL; | |
681 | } | |
682 | ||
683 | integer->parent.declaration = &integer->declaration.p; | |
684 | integer->parent.declaration->id = BT_CTF_TYPE_ID_INTEGER; | |
685 | integer->declaration.len = size; | |
686 | integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL; | |
687 | integer->declaration.encoding = BT_CTF_STRING_ENCODING_NONE; | |
688 | bt_ctf_field_type_init(&integer->parent, TRUE); | |
689 | return &integer->parent; | |
690 | } | |
691 | ||
5ad19bf0 | 692 | BT_HIDDEN |
1c822dfb JG |
693 | int bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *type) |
694 | { | |
695 | int ret = 0; | |
696 | struct bt_ctf_field_type_integer *integer; | |
697 | ||
698 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
699 | ret = -1; | |
700 | goto end; | |
701 | } | |
702 | ||
703 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
704 | ret = (int) integer->declaration.len; | |
705 | end: | |
706 | return ret; | |
707 | } | |
708 | ||
709 | int bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *type) | |
710 | { | |
711 | int ret = 0; | |
712 | struct bt_ctf_field_type_integer *integer; | |
713 | ||
714 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
715 | ret = -1; | |
716 | goto end; | |
717 | } | |
718 | ||
719 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
720 | ret = integer->declaration.signedness; | |
721 | end: | |
722 | return ret; | |
723 | } | |
724 | ||
725 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, | |
726 | int is_signed) | |
727 | { | |
728 | int ret = 0; | |
729 | struct bt_ctf_field_type_integer *integer; | |
730 | ||
731 | if (!type || type->frozen || | |
732 | type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
733 | ret = -1; | |
734 | goto end; | |
735 | } | |
736 | ||
737 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
738 | integer->declaration.signedness = !!is_signed; | |
739 | end: | |
740 | return ret; | |
741 | } | |
742 | ||
5ad19bf0 | 743 | BT_HIDDEN |
1c822dfb JG |
744 | enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base( |
745 | struct bt_ctf_field_type *type) | |
746 | { | |
747 | enum bt_ctf_integer_base ret = BT_CTF_INTEGER_BASE_UNKNOWN; | |
748 | struct bt_ctf_field_type_integer *integer; | |
749 | ||
750 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
751 | goto end; | |
752 | } | |
753 | ||
754 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
755 | ret = integer->declaration.base; | |
756 | end: | |
757 | return ret; | |
758 | } | |
759 | ||
760 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, | |
761 | enum bt_ctf_integer_base base) | |
762 | { | |
763 | int ret = 0; | |
764 | ||
765 | if (!type || type->frozen || | |
766 | type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
767 | ret = -1; | |
768 | goto end; | |
769 | } | |
770 | ||
771 | switch (base) { | |
772 | case BT_CTF_INTEGER_BASE_BINARY: | |
773 | case BT_CTF_INTEGER_BASE_OCTAL: | |
774 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
775 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
776 | { | |
777 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
778 | struct bt_ctf_field_type_integer, parent); | |
779 | integer->declaration.base = base; | |
780 | break; | |
781 | } | |
782 | default: | |
783 | ret = -1; | |
784 | } | |
785 | end: | |
786 | return ret; | |
787 | } | |
788 | ||
5ad19bf0 | 789 | BT_HIDDEN |
1c822dfb JG |
790 | enum bt_ctf_string_encoding bt_ctf_field_type_integer_get_encoding( |
791 | struct bt_ctf_field_type *type) | |
792 | { | |
793 | enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN; | |
794 | struct bt_ctf_field_type_integer *integer; | |
795 | ||
796 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
797 | goto end; | |
798 | } | |
799 | ||
800 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
801 | ret = integer->declaration.encoding; | |
802 | end: | |
803 | return ret; | |
804 | } | |
805 | ||
806 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, | |
807 | enum bt_ctf_string_encoding encoding) | |
808 | { | |
809 | int ret = 0; | |
810 | struct bt_ctf_field_type_integer *integer; | |
811 | ||
812 | if (!type || type->frozen || | |
813 | (type->declaration->id != BT_CTF_TYPE_ID_INTEGER) || | |
814 | (encoding < BT_CTF_STRING_ENCODING_NONE) || | |
815 | (encoding >= BT_CTF_STRING_ENCODING_UNKNOWN)) { | |
816 | ret = -1; | |
817 | goto end; | |
818 | } | |
819 | ||
820 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
821 | integer->declaration.encoding = encoding; | |
822 | end: | |
823 | return ret; | |
824 | } | |
825 | ||
5ad19bf0 | 826 | BT_HIDDEN |
1c822dfb JG |
827 | struct bt_ctf_clock *bt_ctf_field_type_integer_get_mapped_clock( |
828 | struct bt_ctf_field_type *type) | |
829 | { | |
830 | struct bt_ctf_field_type_integer *integer; | |
831 | struct bt_ctf_clock *clock = NULL; | |
832 | ||
833 | if (!type) { | |
834 | goto end; | |
835 | } | |
836 | ||
837 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
838 | clock = integer->mapped_clock; | |
839 | bt_get(clock); | |
840 | end: | |
841 | return clock; | |
842 | } | |
843 | ||
5ad19bf0 | 844 | BT_HIDDEN |
1c822dfb JG |
845 | int bt_ctf_field_type_integer_set_mapped_clock( |
846 | struct bt_ctf_field_type *type, | |
847 | struct bt_ctf_clock *clock) | |
848 | { | |
849 | struct bt_ctf_field_type_integer *integer; | |
850 | int ret = 0; | |
851 | ||
852 | if (!type || type->frozen) { | |
853 | ret = -1; | |
854 | goto end; | |
855 | } | |
856 | ||
857 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
858 | bt_put(integer->mapped_clock); | |
859 | bt_get(clock); | |
860 | integer->mapped_clock = clock; | |
861 | end: | |
862 | return ret; | |
863 | } | |
864 | ||
865 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( | |
866 | struct bt_ctf_field_type *integer_container_type) | |
867 | { | |
868 | struct bt_ctf_field_type_enumeration *enumeration = NULL; | |
869 | ||
870 | if (!integer_container_type) { | |
871 | goto error; | |
872 | } | |
873 | ||
874 | if (integer_container_type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
875 | goto error; | |
876 | } | |
877 | ||
878 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); | |
879 | if (!enumeration) { | |
880 | goto error; | |
881 | } | |
882 | ||
883 | enumeration->parent.declaration = &enumeration->declaration.p; | |
884 | enumeration->parent.declaration->id = BT_CTF_TYPE_ID_ENUM; | |
885 | bt_get(integer_container_type); | |
886 | enumeration->container = integer_container_type; | |
887 | enumeration->entries = g_ptr_array_new_with_free_func( | |
888 | (GDestroyNotify)destroy_enumeration_mapping); | |
889 | bt_ctf_field_type_init(&enumeration->parent, FALSE); | |
890 | return &enumeration->parent; | |
891 | error: | |
892 | g_free(enumeration); | |
893 | return NULL; | |
894 | } | |
895 | ||
5ad19bf0 | 896 | BT_HIDDEN |
1c822dfb JG |
897 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type( |
898 | struct bt_ctf_field_type *type) | |
899 | { | |
900 | struct bt_ctf_field_type *container_type = NULL; | |
901 | struct bt_ctf_field_type_enumeration *enumeration_type; | |
902 | ||
903 | if (!type) { | |
904 | goto end; | |
905 | } | |
906 | ||
907 | if (type->declaration->id != BT_CTF_TYPE_ID_ENUM) { | |
908 | goto end; | |
909 | } | |
910 | ||
911 | enumeration_type = container_of(type, | |
912 | struct bt_ctf_field_type_enumeration, parent); | |
913 | container_type = enumeration_type->container; | |
914 | bt_get(container_type); | |
915 | end: | |
916 | return container_type; | |
917 | } | |
918 | ||
919 | int bt_ctf_field_type_enumeration_add_mapping( | |
920 | struct bt_ctf_field_type *type, const char *string, | |
921 | int64_t range_start, int64_t range_end) | |
922 | { | |
923 | int ret = 0; | |
924 | GQuark mapping_name; | |
925 | struct enumeration_mapping *mapping; | |
926 | struct bt_ctf_field_type_enumeration *enumeration; | |
927 | struct range_overlap_query query; | |
928 | char *escaped_string; | |
929 | ||
930 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM) || | |
931 | type->frozen || | |
932 | (range_end < range_start)) { | |
933 | ret = -1; | |
934 | goto end; | |
935 | } | |
936 | ||
937 | if (!string || strlen(string) == 0) { | |
938 | ret = -1; | |
939 | goto end; | |
940 | } | |
941 | ||
942 | escaped_string = g_strescape(string, NULL); | |
943 | if (!escaped_string) { | |
944 | ret = -1; | |
945 | goto end; | |
946 | } | |
947 | ||
948 | mapping_name = g_quark_from_string(escaped_string); | |
949 | query = (struct range_overlap_query) { | |
950 | .range_start._signed = range_start, | |
951 | .range_end._signed = range_end, | |
952 | .mapping_name = mapping_name, | |
953 | .overlaps = 0 }; | |
954 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
955 | parent); | |
956 | ||
957 | /* Check that the range does not overlap with one already present */ | |
958 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query); | |
959 | if (query.overlaps) { | |
960 | ret = -1; | |
961 | goto error_free; | |
962 | } | |
963 | ||
964 | mapping = g_new(struct enumeration_mapping, 1); | |
965 | if (!mapping) { | |
966 | ret = -1; | |
967 | goto error_free; | |
968 | } | |
969 | ||
970 | *mapping = (struct enumeration_mapping) { | |
971 | .range_start._signed = range_start, | |
972 | .range_end._signed = range_end, .string = mapping_name}; | |
973 | g_ptr_array_add(enumeration->entries, mapping); | |
974 | g_ptr_array_sort(enumeration->entries, | |
975 | (GCompareFunc)compare_enumeration_mappings_signed); | |
976 | error_free: | |
977 | free(escaped_string); | |
978 | end: | |
979 | return ret; | |
980 | } | |
981 | ||
5ad19bf0 | 982 | BT_HIDDEN |
1c822dfb JG |
983 | int bt_ctf_field_type_enumeration_add_mapping_unsigned( |
984 | struct bt_ctf_field_type *type, const char *string, | |
985 | uint64_t range_start, uint64_t range_end) | |
986 | { | |
987 | int ret = 0; | |
988 | GQuark mapping_name; | |
989 | struct enumeration_mapping *mapping; | |
990 | struct bt_ctf_field_type_enumeration *enumeration; | |
991 | struct range_overlap_query query; | |
992 | char *escaped_string; | |
993 | ||
994 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM) || | |
995 | type->frozen || | |
996 | (range_end < range_start)) { | |
997 | ret = -1; | |
998 | goto end; | |
999 | } | |
1000 | ||
1001 | if (!string || strlen(string) == 0) { | |
1002 | ret = -1; | |
1003 | goto end; | |
1004 | } | |
1005 | ||
1006 | escaped_string = g_strescape(string, NULL); | |
1007 | if (!escaped_string) { | |
1008 | ret = -1; | |
1009 | goto end; | |
1010 | } | |
1011 | ||
1012 | mapping_name = g_quark_from_string(escaped_string); | |
1013 | query = (struct range_overlap_query) { | |
1014 | .range_start._unsigned = range_start, | |
1015 | .range_end._unsigned = range_end, | |
1016 | .mapping_name = mapping_name, | |
1017 | .overlaps = 0 }; | |
1018 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
1019 | parent); | |
1020 | ||
1021 | /* Check that the range does not overlap with one already present */ | |
1022 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap_unsigned, | |
1023 | &query); | |
1024 | if (query.overlaps) { | |
1025 | ret = -1; | |
1026 | goto error_free; | |
1027 | } | |
1028 | ||
1029 | mapping = g_new(struct enumeration_mapping, 1); | |
1030 | if (!mapping) { | |
1031 | ret = -1; | |
1032 | goto error_free; | |
1033 | } | |
1034 | ||
1035 | *mapping = (struct enumeration_mapping) { | |
1036 | .range_start._unsigned = range_start, | |
1037 | .range_end._unsigned = range_end, .string = mapping_name}; | |
1038 | g_ptr_array_add(enumeration->entries, mapping); | |
1039 | g_ptr_array_sort(enumeration->entries, | |
1040 | (GCompareFunc)compare_enumeration_mappings_unsigned); | |
1041 | error_free: | |
1042 | free(escaped_string); | |
1043 | end: | |
1044 | return ret; | |
1045 | } | |
1046 | ||
5ad19bf0 | 1047 | BT_HIDDEN |
1c822dfb JG |
1048 | const char *bt_ctf_field_type_enumeration_get_mapping_name_unsigned( |
1049 | struct bt_ctf_field_type_enumeration *enumeration_type, | |
1050 | uint64_t value) | |
1051 | { | |
1052 | const char *name = NULL; | |
1053 | struct range_overlap_query query = | |
1054 | (struct range_overlap_query) { | |
1055 | .range_start._unsigned = value, | |
1056 | .range_end._unsigned = value, | |
1057 | .overlaps = 0 }; | |
1058 | ||
1059 | g_ptr_array_foreach(enumeration_type->entries, | |
1060 | check_ranges_overlap_unsigned, | |
1061 | &query); | |
1062 | if (!query.overlaps) { | |
1063 | goto end; | |
1064 | } | |
1065 | ||
1066 | name = g_quark_to_string(query.mapping_name); | |
1067 | end: | |
1068 | return name; | |
1069 | } | |
1070 | ||
1071 | const char *bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
1072 | struct bt_ctf_field_type_enumeration *enumeration_type, | |
1073 | int64_t value) | |
1074 | { | |
1075 | const char *name = NULL; | |
1076 | struct range_overlap_query query = | |
1077 | (struct range_overlap_query) { | |
1078 | .range_start._signed = value, | |
1079 | .range_end._signed = value, | |
1080 | .overlaps = 0 }; | |
1081 | ||
1082 | g_ptr_array_foreach(enumeration_type->entries, check_ranges_overlap, | |
1083 | &query); | |
1084 | if (!query.overlaps) { | |
1085 | goto end; | |
1086 | } | |
1087 | ||
1088 | name = g_quark_to_string(query.mapping_name); | |
1089 | end: | |
1090 | return name; | |
1091 | } | |
1092 | ||
1093 | int bt_ctf_field_type_enumeration_get_mapping_count( | |
1094 | struct bt_ctf_field_type *type) | |
1095 | { | |
1096 | int ret = 0; | |
1097 | struct bt_ctf_field_type_enumeration *enumeration; | |
1098 | ||
1099 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1100 | ret = -1; | |
1101 | goto end; | |
1102 | } | |
1103 | ||
1104 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
1105 | parent); | |
1106 | ret = (int) enumeration->entries->len; | |
1107 | end: | |
1108 | return ret; | |
1109 | } | |
1110 | ||
1111 | static inline | |
1112 | struct enumeration_mapping *get_enumeration_mapping( | |
1113 | struct bt_ctf_field_type *type, int index) | |
1114 | { | |
1115 | struct enumeration_mapping *mapping = NULL; | |
1116 | struct bt_ctf_field_type_enumeration *enumeration; | |
1117 | ||
1118 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
1119 | parent); | |
1120 | if (index >= enumeration->entries->len) { | |
1121 | goto end; | |
1122 | } | |
1123 | ||
1124 | mapping = g_ptr_array_index(enumeration->entries, index); | |
1125 | end: | |
1126 | return mapping; | |
1127 | } | |
1128 | ||
5ad19bf0 | 1129 | BT_HIDDEN |
1c822dfb JG |
1130 | int bt_ctf_field_type_enumeration_get_mapping( |
1131 | struct bt_ctf_field_type *type, int index, | |
1132 | const char **string, int64_t *range_start, int64_t *range_end) | |
1133 | { | |
1134 | struct enumeration_mapping *mapping; | |
1135 | int ret = 0; | |
1136 | ||
1137 | if (!type || index < 0 || !string || !range_start || !range_end || | |
1138 | (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1139 | ret = -1; | |
1140 | goto end; | |
1141 | } | |
1142 | ||
1143 | mapping = get_enumeration_mapping(type, index); | |
1144 | if (!mapping) { | |
1145 | ret = -1; | |
1146 | goto end; | |
1147 | } | |
1148 | ||
1149 | *string = g_quark_to_string(mapping->string); | |
1150 | *range_start = mapping->range_start._signed; | |
1151 | *range_end = mapping->range_end._signed; | |
1152 | end: | |
1153 | return ret; | |
1154 | } | |
1155 | ||
5ad19bf0 | 1156 | BT_HIDDEN |
1c822dfb JG |
1157 | int bt_ctf_field_type_enumeration_get_mapping_unsigned( |
1158 | struct bt_ctf_field_type *type, int index, | |
1159 | const char **string, uint64_t *range_start, uint64_t *range_end) | |
1160 | { | |
1161 | struct enumeration_mapping *mapping; | |
1162 | int ret = 0; | |
1163 | ||
1164 | if (!type || index < 0 || !string || !range_start || !range_end || | |
1165 | (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1166 | ret = -1; | |
1167 | goto end; | |
1168 | } | |
1169 | ||
1170 | mapping = get_enumeration_mapping(type, index); | |
1171 | if (!mapping) { | |
1172 | ret = -1; | |
1173 | goto end; | |
1174 | } | |
1175 | ||
1176 | *string = g_quark_to_string(mapping->string); | |
1177 | *range_start = mapping->range_start._unsigned; | |
1178 | *range_end = mapping->range_end._unsigned; | |
1179 | end: | |
1180 | return ret; | |
1181 | } | |
1182 | ||
5ad19bf0 | 1183 | BT_HIDDEN |
1c822dfb JG |
1184 | int bt_ctf_field_type_enumeration_get_mapping_index_by_name( |
1185 | struct bt_ctf_field_type *type, const char *name) | |
1186 | { | |
1187 | GQuark name_quark; | |
1188 | struct bt_ctf_field_type_enumeration *enumeration; | |
1189 | int i, ret = 0; | |
1190 | ||
1191 | if (!type || !name || | |
1192 | (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1193 | ret = -1; | |
1194 | goto end; | |
1195 | } | |
1196 | ||
1197 | name_quark = g_quark_try_string(name); | |
1198 | if (!name_quark) { | |
1199 | ret = -1; | |
1200 | goto end; | |
1201 | } | |
1202 | ||
1203 | enumeration = container_of(type, | |
1204 | struct bt_ctf_field_type_enumeration, parent); | |
1205 | for (i = 0; i < enumeration->entries->len; i++) { | |
1206 | struct enumeration_mapping *mapping = | |
1207 | get_enumeration_mapping(type, i); | |
1208 | ||
1209 | if (mapping->string == name_quark) { | |
1210 | ret = i; | |
1211 | goto end; | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | ret = -1; | |
1216 | end: | |
1217 | return ret; | |
1218 | } | |
1219 | ||
5ad19bf0 | 1220 | BT_HIDDEN |
1c822dfb JG |
1221 | int bt_ctf_field_type_enumeration_get_mapping_index_by_value( |
1222 | struct bt_ctf_field_type *type, int64_t value) | |
1223 | { | |
1224 | struct bt_ctf_field_type_enumeration *enumeration; | |
1225 | int i, ret = 0; | |
1226 | ||
1227 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1228 | ret = -1; | |
1229 | goto end; | |
1230 | } | |
1231 | ||
1232 | enumeration = container_of(type, | |
1233 | struct bt_ctf_field_type_enumeration, parent); | |
1234 | for (i = 0; i < enumeration->entries->len; i++) { | |
1235 | struct enumeration_mapping *mapping = | |
1236 | get_enumeration_mapping(type, i); | |
1237 | ||
1238 | if (value >= mapping->range_start._signed && | |
1239 | value <= mapping->range_end._signed) { | |
1240 | ret = i; | |
1241 | goto end; | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | ret = -1; | |
1246 | end: | |
1247 | return ret; | |
1248 | } | |
1249 | ||
5ad19bf0 | 1250 | BT_HIDDEN |
1c822dfb JG |
1251 | int bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value( |
1252 | struct bt_ctf_field_type *type, uint64_t value) | |
1253 | { | |
1254 | struct bt_ctf_field_type_enumeration *enumeration; | |
1255 | int i, ret = 0; | |
1256 | ||
1257 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1258 | ret = -1; | |
1259 | goto end; | |
1260 | } | |
1261 | ||
1262 | enumeration = container_of(type, | |
1263 | struct bt_ctf_field_type_enumeration, parent); | |
1264 | for (i = 0; i < enumeration->entries->len; i++) { | |
1265 | struct enumeration_mapping *mapping = | |
1266 | get_enumeration_mapping(type, i); | |
1267 | ||
1268 | if (value >= mapping->range_start._unsigned && | |
1269 | value <= mapping->range_end._unsigned) { | |
1270 | ret = i; | |
1271 | goto end; | |
1272 | } | |
1273 | } | |
1274 | ||
1275 | ret = -1; | |
1276 | end: | |
1277 | return ret; | |
1278 | } | |
1279 | ||
1280 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) | |
1281 | { | |
1282 | struct bt_ctf_field_type_floating_point *floating_point = | |
1283 | g_new0(struct bt_ctf_field_type_floating_point, 1); | |
1284 | ||
1285 | if (!floating_point) { | |
1286 | goto end; | |
1287 | } | |
1288 | ||
1289 | floating_point->declaration.sign = &floating_point->sign; | |
1290 | floating_point->declaration.mantissa = &floating_point->mantissa; | |
1291 | floating_point->declaration.exp = &floating_point->exp; | |
1292 | floating_point->sign.len = 1; | |
1293 | floating_point->parent.declaration = &floating_point->declaration.p; | |
1294 | floating_point->parent.declaration->id = BT_CTF_TYPE_ID_FLOAT; | |
1295 | floating_point->declaration.exp->len = | |
1296 | sizeof(float) * CHAR_BIT - FLT_MANT_DIG; | |
1297 | floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1; | |
1298 | floating_point->sign.p.alignment = 1; | |
1299 | floating_point->mantissa.p.alignment = 1; | |
1300 | floating_point->exp.p.alignment = 1; | |
1301 | ||
1302 | bt_ctf_field_type_init(&floating_point->parent, TRUE); | |
1303 | end: | |
1304 | return floating_point ? &floating_point->parent : NULL; | |
1305 | } | |
1306 | ||
5ad19bf0 | 1307 | BT_HIDDEN |
1c822dfb JG |
1308 | int bt_ctf_field_type_floating_point_get_exponent_digits( |
1309 | struct bt_ctf_field_type *type) | |
1310 | { | |
1311 | int ret = 0; | |
1312 | struct bt_ctf_field_type_floating_point *floating_point; | |
1313 | ||
1314 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1315 | ret = -1; | |
1316 | goto end; | |
1317 | } | |
1318 | ||
1319 | floating_point = container_of(type, | |
1320 | struct bt_ctf_field_type_floating_point, parent); | |
1321 | ret = (int) floating_point->declaration.exp->len; | |
1322 | end: | |
1323 | return ret; | |
1324 | } | |
1325 | ||
1326 | int bt_ctf_field_type_floating_point_set_exponent_digits( | |
1327 | struct bt_ctf_field_type *type, | |
1328 | unsigned int exponent_digits) | |
1329 | { | |
1330 | int ret = 0; | |
1331 | struct bt_ctf_field_type_floating_point *floating_point; | |
1332 | ||
1333 | if (!type || type->frozen || | |
1334 | (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1335 | ret = -1; | |
1336 | goto end; | |
1337 | } | |
1338 | ||
1339 | floating_point = container_of(type, | |
1340 | struct bt_ctf_field_type_floating_point, parent); | |
1341 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && | |
1342 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && | |
1343 | (exponent_digits != | |
1344 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { | |
1345 | ret = -1; | |
1346 | goto end; | |
1347 | } | |
1348 | ||
1349 | floating_point->declaration.exp->len = exponent_digits; | |
1350 | end: | |
1351 | return ret; | |
1352 | } | |
1353 | ||
5ad19bf0 | 1354 | BT_HIDDEN |
1c822dfb JG |
1355 | int bt_ctf_field_type_floating_point_get_mantissa_digits( |
1356 | struct bt_ctf_field_type *type) | |
1357 | { | |
1358 | int ret = 0; | |
1359 | struct bt_ctf_field_type_floating_point *floating_point; | |
1360 | ||
1361 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1362 | ret = -1; | |
1363 | goto end; | |
1364 | } | |
1365 | ||
1366 | floating_point = container_of(type, | |
1367 | struct bt_ctf_field_type_floating_point, parent); | |
1368 | ret = (int) floating_point->mantissa.len + 1; | |
1369 | end: | |
1370 | return ret; | |
1371 | } | |
1372 | ||
1373 | int bt_ctf_field_type_floating_point_set_mantissa_digits( | |
1374 | struct bt_ctf_field_type *type, | |
1375 | unsigned int mantissa_digits) | |
1376 | { | |
1377 | int ret = 0; | |
1378 | struct bt_ctf_field_type_floating_point *floating_point; | |
1379 | ||
1380 | if (!type || type->frozen || | |
1381 | (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1382 | ret = -1; | |
1383 | goto end; | |
1384 | } | |
1385 | ||
1386 | floating_point = container_of(type, | |
1387 | struct bt_ctf_field_type_floating_point, parent); | |
1388 | ||
1389 | if ((mantissa_digits != FLT_MANT_DIG) && | |
1390 | (mantissa_digits != DBL_MANT_DIG) && | |
1391 | (mantissa_digits != LDBL_MANT_DIG)) { | |
1392 | ret = -1; | |
1393 | goto end; | |
1394 | } | |
1395 | ||
1396 | floating_point->declaration.mantissa->len = mantissa_digits - 1; | |
1397 | end: | |
1398 | return ret; | |
1399 | } | |
1400 | ||
1401 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) | |
1402 | { | |
1403 | struct bt_ctf_field_type_structure *structure = | |
1404 | g_new0(struct bt_ctf_field_type_structure, 1); | |
1405 | ||
1406 | if (!structure) { | |
1407 | goto error; | |
1408 | } | |
1409 | ||
1410 | structure->parent.declaration = &structure->declaration.p; | |
1411 | structure->parent.declaration->id = BT_CTF_TYPE_ID_STRUCT; | |
1412 | structure->fields = g_ptr_array_new_with_free_func( | |
1413 | (GDestroyNotify)destroy_structure_field); | |
1414 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); | |
1415 | bt_ctf_field_type_init(&structure->parent, TRUE); | |
1416 | return &structure->parent; | |
1417 | error: | |
1418 | return NULL; | |
1419 | } | |
1420 | ||
1421 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, | |
1422 | struct bt_ctf_field_type *field_type, | |
1423 | const char *field_name) | |
1424 | { | |
1425 | int ret = 0; | |
1426 | struct bt_ctf_field_type_structure *structure; | |
1427 | ||
1428 | if (!type || !field_type || type->frozen || | |
1429 | bt_ctf_validate_identifier(field_name) || | |
1430 | (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) { | |
1431 | ret = -1; | |
1432 | goto end; | |
1433 | } | |
1434 | ||
1435 | structure = container_of(type, | |
1436 | struct bt_ctf_field_type_structure, parent); | |
1437 | if (add_structure_field(structure->fields, | |
1438 | structure->field_name_to_index, field_type, field_name)) { | |
1439 | ret = -1; | |
1440 | goto end; | |
1441 | } | |
1442 | end: | |
1443 | return ret; | |
1444 | } | |
1445 | ||
5ad19bf0 | 1446 | BT_HIDDEN |
1c822dfb JG |
1447 | int bt_ctf_field_type_structure_get_field_count( |
1448 | struct bt_ctf_field_type *type) | |
1449 | { | |
1450 | int ret = 0; | |
1451 | struct bt_ctf_field_type_structure *structure; | |
1452 | ||
1453 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) { | |
1454 | ret = -1; | |
1455 | goto end; | |
1456 | } | |
1457 | ||
1458 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
1459 | parent); | |
1460 | ret = (int) structure->fields->len; | |
1461 | end: | |
1462 | return ret; | |
1463 | } | |
1464 | ||
1465 | int bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *type, | |
1466 | const char **field_name, struct bt_ctf_field_type **field_type, | |
1467 | int index) | |
1468 | { | |
1469 | struct bt_ctf_field_type_structure *structure; | |
1470 | struct structure_field *field; | |
1471 | int ret = 0; | |
1472 | ||
1473 | if (!type || index < 0 || | |
1474 | (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) { | |
1475 | ret = -1; | |
1476 | goto end; | |
1477 | } | |
1478 | ||
1479 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
1480 | parent); | |
1481 | if (index >= structure->fields->len) { | |
1482 | ret = -1; | |
1483 | goto end; | |
1484 | } | |
1485 | ||
1486 | field = g_ptr_array_index(structure->fields, index); | |
1487 | if (field_type) { | |
1488 | *field_type = field->type; | |
1489 | bt_get(field->type); | |
1490 | } | |
1491 | if (field_name) { | |
1492 | *field_name = g_quark_to_string(field->name); | |
1493 | } | |
1494 | end: | |
1495 | return ret; | |
1496 | } | |
1497 | ||
5ad19bf0 | 1498 | BT_HIDDEN |
1c822dfb JG |
1499 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name( |
1500 | struct bt_ctf_field_type *type, | |
1501 | const char *name) | |
1502 | { | |
1503 | size_t index; | |
1504 | GQuark name_quark; | |
1505 | struct structure_field *field; | |
1506 | struct bt_ctf_field_type_structure *structure; | |
1507 | struct bt_ctf_field_type *field_type = NULL; | |
1508 | ||
1509 | if (!type || !name) { | |
1510 | goto end; | |
1511 | } | |
1512 | ||
1513 | name_quark = g_quark_try_string(name); | |
1514 | if (!name_quark) { | |
1515 | goto end; | |
1516 | } | |
1517 | ||
1518 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
1519 | parent); | |
1520 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
1521 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
1522 | goto end; | |
1523 | } | |
1524 | ||
1525 | field = structure->fields->pdata[index]; | |
1526 | field_type = field->type; | |
1527 | bt_get(field_type); | |
1528 | end: | |
1529 | return field_type; | |
1530 | } | |
1531 | ||
1532 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( | |
1533 | struct bt_ctf_field_type *enum_tag, const char *tag_name) | |
1534 | { | |
1535 | struct bt_ctf_field_type_variant *variant = NULL; | |
1536 | ||
1537 | if (tag_name && bt_ctf_validate_identifier(tag_name)) { | |
1538 | goto error; | |
1539 | } | |
1540 | ||
1541 | variant = g_new0(struct bt_ctf_field_type_variant, 1); | |
1542 | if (!variant) { | |
1543 | goto error; | |
1544 | } | |
1545 | ||
1546 | variant->parent.declaration = &variant->declaration.p; | |
1547 | variant->parent.declaration->id = BT_CTF_TYPE_ID_VARIANT; | |
1548 | variant->tag_name = g_string_new(tag_name); | |
1549 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); | |
1550 | variant->fields = g_ptr_array_new_with_free_func( | |
1551 | (GDestroyNotify) destroy_structure_field); | |
1552 | if (enum_tag) { | |
1553 | bt_get(enum_tag); | |
1554 | variant->tag = container_of(enum_tag, | |
1555 | struct bt_ctf_field_type_enumeration, parent); | |
1556 | } | |
1557 | ||
1558 | bt_ctf_field_type_init(&variant->parent, TRUE); | |
1559 | /* A variant's alignment is undefined */ | |
1560 | variant->parent.declaration->alignment = 0; | |
1561 | return &variant->parent; | |
1562 | error: | |
1563 | return NULL; | |
1564 | } | |
1565 | ||
5ad19bf0 | 1566 | BT_HIDDEN |
1c822dfb JG |
1567 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type( |
1568 | struct bt_ctf_field_type *type) | |
1569 | { | |
1570 | struct bt_ctf_field_type_variant *variant; | |
1571 | struct bt_ctf_field_type *tag_type = NULL; | |
1572 | ||
1573 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1574 | goto end; | |
1575 | } | |
1576 | ||
1577 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1578 | if (!variant->tag) { | |
1579 | goto end; | |
1580 | } | |
1581 | ||
1582 | tag_type = &variant->tag->parent; | |
1583 | bt_get(tag_type); | |
1584 | end: | |
1585 | return tag_type; | |
1586 | } | |
1587 | ||
5ad19bf0 | 1588 | BT_HIDDEN |
1c822dfb JG |
1589 | const char *bt_ctf_field_type_variant_get_tag_name( |
1590 | struct bt_ctf_field_type *type) | |
1591 | { | |
1592 | struct bt_ctf_field_type_variant *variant; | |
1593 | const char *tag_name = NULL; | |
1594 | ||
1595 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1596 | goto end; | |
1597 | } | |
1598 | ||
1599 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1600 | if (variant->tag_name->len == 0) { | |
1601 | goto end; | |
1602 | } | |
1603 | ||
1604 | tag_name = variant->tag_name->str; | |
1605 | end: | |
1606 | return tag_name; | |
1607 | } | |
1608 | ||
5ad19bf0 | 1609 | BT_HIDDEN |
1c822dfb JG |
1610 | int bt_ctf_field_type_variant_set_tag_name( |
1611 | struct bt_ctf_field_type *type, const char *name) | |
1612 | { | |
1613 | int ret = 0; | |
1614 | struct bt_ctf_field_type_variant *variant; | |
1615 | ||
1616 | if (!type || type->frozen || | |
1617 | (type->declaration->id != BT_CTF_TYPE_ID_VARIANT) || | |
1618 | bt_ctf_validate_identifier(name)) { | |
1619 | ret = -1; | |
1620 | goto end; | |
1621 | } | |
1622 | ||
1623 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1624 | g_string_assign(variant->tag_name, name); | |
1625 | end: | |
1626 | return ret; | |
1627 | } | |
1628 | ||
1629 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, | |
1630 | struct bt_ctf_field_type *field_type, | |
1631 | const char *field_name) | |
1632 | { | |
1633 | size_t i; | |
1634 | int ret = 0; | |
1635 | struct bt_ctf_field_type_variant *variant; | |
1636 | GQuark field_name_quark = g_quark_from_string(field_name); | |
1637 | ||
1638 | if (!type || !field_type || type->frozen || | |
1639 | bt_ctf_validate_identifier(field_name) || | |
1640 | (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1641 | ret = -1; | |
1642 | goto end; | |
1643 | } | |
1644 | ||
1645 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1646 | ||
1647 | /* The user has explicitly provided a tag; validate against it. */ | |
1648 | if (variant->tag) { | |
1649 | int name_found = 0; | |
1650 | ||
1651 | /* Make sure this name is present in the enum tag */ | |
1652 | for (i = 0; i < variant->tag->entries->len; i++) { | |
1653 | struct enumeration_mapping *mapping = | |
1654 | g_ptr_array_index(variant->tag->entries, i); | |
1655 | ||
1656 | if (mapping->string == field_name_quark) { | |
1657 | name_found = 1; | |
1658 | break; | |
1659 | } | |
1660 | } | |
1661 | ||
1662 | if (!name_found) { | |
1663 | /* Validation failed */ | |
1664 | ret = -1; | |
1665 | goto end; | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | if (add_structure_field(variant->fields, variant->field_name_to_index, | |
1670 | field_type, field_name)) { | |
1671 | ret = -1; | |
1672 | goto end; | |
1673 | } | |
1674 | end: | |
1675 | return ret; | |
1676 | } | |
1677 | ||
5ad19bf0 | 1678 | BT_HIDDEN |
1c822dfb JG |
1679 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name( |
1680 | struct bt_ctf_field_type *type, | |
1681 | const char *field_name) | |
1682 | { | |
1683 | size_t index; | |
1684 | GQuark name_quark; | |
1685 | struct structure_field *field; | |
1686 | struct bt_ctf_field_type_variant *variant; | |
1687 | struct bt_ctf_field_type *field_type = NULL; | |
1688 | ||
1689 | if (!type || !field_name) { | |
1690 | goto end; | |
1691 | } | |
1692 | ||
1693 | name_quark = g_quark_try_string(field_name); | |
1694 | if (!name_quark) { | |
1695 | goto end; | |
1696 | } | |
1697 | ||
1698 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1699 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
1700 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
1701 | goto end; | |
1702 | } | |
1703 | ||
1704 | field = g_ptr_array_index(variant->fields, index); | |
1705 | field_type = field->type; | |
1706 | bt_get(field_type); | |
1707 | end: | |
1708 | return field_type; | |
1709 | } | |
1710 | ||
5ad19bf0 | 1711 | BT_HIDDEN |
1c822dfb JG |
1712 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag( |
1713 | struct bt_ctf_field_type *type, | |
1714 | struct bt_ctf_field *tag) | |
1715 | { | |
1716 | const char *enum_value; | |
1717 | struct bt_ctf_field_type *field_type = NULL; | |
1718 | ||
1719 | if (!type || !tag || type->declaration->id != BT_CTF_TYPE_ID_VARIANT) { | |
1720 | goto end; | |
1721 | } | |
1722 | ||
1723 | enum_value = bt_ctf_field_enumeration_get_mapping_name(tag); | |
1724 | if (!enum_value) { | |
1725 | goto end; | |
1726 | } | |
1727 | ||
1728 | /* Already increments field_type's reference count */ | |
1729 | field_type = bt_ctf_field_type_variant_get_field_type_by_name( | |
1730 | type, enum_value); | |
1731 | end: | |
1732 | return field_type; | |
1733 | } | |
1734 | ||
1735 | int bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *type) | |
1736 | { | |
1737 | int ret = 0; | |
1738 | struct bt_ctf_field_type_variant *variant; | |
1739 | ||
1740 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1741 | ret = -1; | |
1742 | goto end; | |
1743 | } | |
1744 | ||
1745 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
1746 | parent); | |
1747 | ret = (int) variant->fields->len; | |
1748 | end: | |
1749 | return ret; | |
1750 | ||
1751 | } | |
1752 | ||
5ad19bf0 | 1753 | BT_HIDDEN |
1c822dfb JG |
1754 | int bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *type, |
1755 | const char **field_name, struct bt_ctf_field_type **field_type, | |
1756 | int index) | |
1757 | { | |
1758 | struct bt_ctf_field_type_variant *variant; | |
1759 | struct structure_field *field; | |
1760 | int ret = 0; | |
1761 | ||
1762 | if (!type || index < 0 || | |
1763 | (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1764 | ret = -1; | |
1765 | goto end; | |
1766 | } | |
1767 | ||
1768 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
1769 | parent); | |
1770 | if (index >= variant->fields->len) { | |
1771 | ret = -1; | |
1772 | goto end; | |
1773 | } | |
1774 | ||
1775 | field = g_ptr_array_index(variant->fields, index); | |
1776 | if (field_type) { | |
1777 | *field_type = field->type; | |
1778 | bt_get(field->type); | |
1779 | } | |
1780 | if (field_name) { | |
1781 | *field_name = g_quark_to_string(field->name); | |
1782 | } | |
1783 | end: | |
1784 | return ret; | |
1785 | } | |
1786 | ||
1787 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( | |
1788 | struct bt_ctf_field_type *element_type, | |
1789 | unsigned int length) | |
1790 | { | |
1791 | struct bt_ctf_field_type_array *array = NULL; | |
1792 | ||
1793 | if (!element_type || length == 0) { | |
1794 | goto error; | |
1795 | } | |
1796 | ||
1797 | array = g_new0(struct bt_ctf_field_type_array, 1); | |
1798 | if (!array) { | |
1799 | goto error; | |
1800 | } | |
1801 | ||
1802 | array->parent.declaration = &array->declaration.p; | |
1803 | array->parent.declaration->id = BT_CTF_TYPE_ID_ARRAY; | |
1804 | ||
1805 | bt_get(element_type); | |
1806 | array->element_type = element_type; | |
1807 | array->length = length; | |
1808 | bt_ctf_field_type_init(&array->parent, FALSE); | |
1809 | return &array->parent; | |
1810 | error: | |
1811 | return NULL; | |
1812 | } | |
1813 | ||
5ad19bf0 | 1814 | BT_HIDDEN |
1c822dfb JG |
1815 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( |
1816 | struct bt_ctf_field_type *type) | |
1817 | { | |
1818 | struct bt_ctf_field_type *ret = NULL; | |
1819 | struct bt_ctf_field_type_array *array; | |
1820 | ||
1821 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) { | |
1822 | goto end; | |
1823 | } | |
1824 | ||
1825 | array = container_of(type, struct bt_ctf_field_type_array, parent); | |
1826 | ret = array->element_type; | |
1827 | bt_get(ret); | |
1828 | end: | |
1829 | return ret; | |
1830 | } | |
1831 | ||
1832 | BT_HIDDEN | |
1833 | int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type *type, | |
1834 | struct bt_ctf_field_type *element_type) | |
1835 | { | |
1836 | int ret = 0; | |
1837 | struct bt_ctf_field_type_array *array; | |
1838 | ||
1839 | if (!type || !element_type || | |
1840 | (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) { | |
1841 | ret = -1; | |
1842 | goto end; | |
1843 | } | |
1844 | ||
1845 | array = container_of(type, struct bt_ctf_field_type_array, parent); | |
1846 | ||
1847 | if (array->element_type) { | |
1848 | BT_PUT(array->element_type); | |
1849 | } | |
1850 | ||
1851 | array->element_type = element_type; | |
1852 | bt_get(array->element_type); | |
1853 | ||
1854 | end: | |
1855 | return ret; | |
1856 | } | |
1857 | ||
5ad19bf0 | 1858 | BT_HIDDEN |
1c822dfb JG |
1859 | int64_t bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *type) |
1860 | { | |
1861 | int64_t ret; | |
1862 | struct bt_ctf_field_type_array *array; | |
1863 | ||
1864 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) { | |
1865 | ret = -1; | |
1866 | goto end; | |
1867 | } | |
1868 | ||
1869 | array = container_of(type, struct bt_ctf_field_type_array, parent); | |
1870 | ret = (int64_t) array->length; | |
1871 | end: | |
1872 | return ret; | |
1873 | } | |
1874 | ||
1875 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( | |
1876 | struct bt_ctf_field_type *element_type, | |
1877 | const char *length_field_name) | |
1878 | { | |
1879 | struct bt_ctf_field_type_sequence *sequence = NULL; | |
1880 | ||
1881 | if (!element_type || bt_ctf_validate_identifier(length_field_name)) { | |
1882 | goto error; | |
1883 | } | |
1884 | ||
1885 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); | |
1886 | if (!sequence) { | |
1887 | goto error; | |
1888 | } | |
1889 | ||
1890 | sequence->parent.declaration = &sequence->declaration.p; | |
1891 | sequence->parent.declaration->id = BT_CTF_TYPE_ID_SEQUENCE; | |
1892 | bt_get(element_type); | |
1893 | sequence->element_type = element_type; | |
1894 | sequence->length_field_name = g_string_new(length_field_name); | |
1895 | bt_ctf_field_type_init(&sequence->parent, FALSE); | |
1896 | return &sequence->parent; | |
1897 | error: | |
1898 | return NULL; | |
1899 | } | |
1900 | ||
5ad19bf0 | 1901 | BT_HIDDEN |
1c822dfb JG |
1902 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( |
1903 | struct bt_ctf_field_type *type) | |
1904 | { | |
1905 | struct bt_ctf_field_type *ret = NULL; | |
1906 | struct bt_ctf_field_type_sequence *sequence; | |
1907 | ||
1908 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) { | |
1909 | goto end; | |
1910 | } | |
1911 | ||
1912 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
1913 | parent); | |
1914 | ret = sequence->element_type; | |
1915 | bt_get(ret); | |
1916 | end: | |
1917 | return ret; | |
1918 | } | |
1919 | ||
1920 | BT_HIDDEN | |
1921 | int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type *type, | |
1922 | struct bt_ctf_field_type *element_type) | |
1923 | { | |
1924 | int ret = 0; | |
1925 | struct bt_ctf_field_type_sequence *sequence; | |
1926 | ||
1927 | if (!type || !element_type || | |
1928 | (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) { | |
1929 | ret = -1; | |
1930 | goto end; | |
1931 | } | |
1932 | ||
1933 | sequence = container_of(type, struct bt_ctf_field_type_sequence, parent); | |
1934 | ||
1935 | if (sequence->element_type) { | |
1936 | BT_PUT(sequence->element_type); | |
1937 | } | |
1938 | ||
1939 | sequence->element_type = element_type; | |
1940 | bt_get(sequence->element_type); | |
1941 | ||
1942 | end: | |
1943 | return ret; | |
1944 | } | |
1945 | ||
5ad19bf0 | 1946 | BT_HIDDEN |
1c822dfb JG |
1947 | const char *bt_ctf_field_type_sequence_get_length_field_name( |
1948 | struct bt_ctf_field_type *type) | |
1949 | { | |
1950 | const char *ret = NULL; | |
1951 | struct bt_ctf_field_type_sequence *sequence; | |
1952 | ||
1953 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) { | |
1954 | goto end; | |
1955 | } | |
1956 | ||
1957 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
1958 | parent); | |
1959 | ret = sequence->length_field_name->str; | |
1960 | end: | |
1961 | return ret; | |
1962 | } | |
1963 | ||
1964 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) | |
1965 | { | |
1966 | struct bt_ctf_field_type_string *string = | |
1967 | g_new0(struct bt_ctf_field_type_string, 1); | |
1968 | ||
1969 | if (!string) { | |
1970 | return NULL; | |
1971 | } | |
1972 | ||
1973 | string->parent.declaration = &string->declaration.p; | |
1974 | string->parent.declaration->id = BT_CTF_TYPE_ID_STRING; | |
1975 | bt_ctf_field_type_init(&string->parent, TRUE); | |
1976 | string->declaration.encoding = BT_CTF_STRING_ENCODING_UTF8; | |
1977 | string->parent.declaration->alignment = CHAR_BIT; | |
1978 | return &string->parent; | |
1979 | } | |
1980 | ||
5ad19bf0 | 1981 | BT_HIDDEN |
1c822dfb JG |
1982 | enum bt_ctf_string_encoding bt_ctf_field_type_string_get_encoding( |
1983 | struct bt_ctf_field_type *type) | |
1984 | { | |
1985 | struct bt_ctf_field_type_string *string; | |
1986 | enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN; | |
1987 | ||
1988 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_STRING)) { | |
1989 | goto end; | |
1990 | } | |
1991 | ||
1992 | string = container_of(type, struct bt_ctf_field_type_string, | |
1993 | parent); | |
1994 | ret = string->declaration.encoding; | |
1995 | end: | |
1996 | return ret; | |
1997 | } | |
1998 | ||
1999 | int bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *type, | |
2000 | enum bt_ctf_string_encoding encoding) | |
2001 | { | |
2002 | int ret = 0; | |
2003 | struct bt_ctf_field_type_string *string; | |
2004 | ||
2005 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_STRING || | |
2006 | (encoding != BT_CTF_STRING_ENCODING_UTF8 && | |
2007 | encoding != BT_CTF_STRING_ENCODING_ASCII)) { | |
2008 | ret = -1; | |
2009 | goto end; | |
2010 | } | |
2011 | ||
2012 | string = container_of(type, struct bt_ctf_field_type_string, parent); | |
2013 | string->declaration.encoding = encoding; | |
2014 | end: | |
2015 | return ret; | |
2016 | } | |
2017 | ||
5ad19bf0 | 2018 | BT_HIDDEN |
1c822dfb JG |
2019 | int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type) |
2020 | { | |
2021 | int ret; | |
2022 | enum bt_ctf_type_id type_id; | |
2023 | ||
2024 | if (!type) { | |
2025 | ret = -1; | |
2026 | goto end; | |
2027 | } | |
2028 | ||
2029 | if (type->frozen) { | |
2030 | ret = (int) type->declaration->alignment; | |
2031 | goto end; | |
2032 | } | |
2033 | ||
2034 | type_id = bt_ctf_field_type_get_type_id(type); | |
2035 | switch (type_id) { | |
2036 | case BT_CTF_TYPE_ID_SEQUENCE: | |
2037 | { | |
2038 | struct bt_ctf_field_type *element = | |
2039 | bt_ctf_field_type_sequence_get_element_type(type); | |
2040 | ||
2041 | if (!element) { | |
2042 | ret = -1; | |
2043 | goto end; | |
2044 | } | |
2045 | ||
2046 | ret = bt_ctf_field_type_get_alignment(element); | |
2047 | bt_put(element); | |
2048 | break; | |
2049 | } | |
2050 | case BT_CTF_TYPE_ID_ARRAY: | |
2051 | { | |
2052 | struct bt_ctf_field_type *element = | |
2053 | bt_ctf_field_type_array_get_element_type(type); | |
2054 | ||
2055 | if (!element) { | |
2056 | ret = -1; | |
2057 | goto end; | |
2058 | } | |
2059 | ||
2060 | ret = bt_ctf_field_type_get_alignment(element); | |
2061 | bt_put(element); | |
2062 | break; | |
2063 | } | |
2064 | case BT_CTF_TYPE_ID_STRUCT: | |
2065 | { | |
2066 | int i, element_count; | |
2067 | ||
2068 | element_count = bt_ctf_field_type_structure_get_field_count( | |
2069 | type); | |
2070 | if (element_count < 0) { | |
2071 | ret = element_count; | |
2072 | goto end; | |
2073 | } | |
2074 | ||
2075 | for (i = 0; i < element_count; i++) { | |
2076 | struct bt_ctf_field_type *field; | |
2077 | int field_alignment; | |
2078 | ||
2079 | ret = bt_ctf_field_type_structure_get_field(type, NULL, | |
2080 | &field, i); | |
2081 | if (ret) { | |
2082 | goto end; | |
2083 | } | |
2084 | ||
2085 | assert(field); | |
2086 | field_alignment = bt_ctf_field_type_get_alignment( | |
2087 | field); | |
2088 | bt_put(field); | |
2089 | if (field_alignment < 0) { | |
2090 | ret = field_alignment; | |
2091 | goto end; | |
2092 | } | |
2093 | ||
2094 | type->declaration->alignment = MAX(field_alignment, | |
2095 | type->declaration->alignment); | |
2096 | } | |
2097 | ret = (int) type->declaration->alignment; | |
2098 | break; | |
2099 | } | |
2100 | case BT_CTF_TYPE_ID_UNKNOWN: | |
2101 | ret = -1; | |
2102 | break; | |
2103 | default: | |
2104 | ret = (int) type->declaration->alignment; | |
2105 | break; | |
2106 | } | |
2107 | end: | |
2108 | return ret; | |
2109 | } | |
2110 | ||
2111 | static inline | |
2112 | int is_power_of_two(unsigned int value) | |
2113 | { | |
2114 | return ((value & (value - 1)) == 0) && value > 0; | |
2115 | } | |
2116 | ||
2117 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, | |
2118 | unsigned int alignment) | |
2119 | { | |
2120 | int ret = 0; | |
2121 | enum bt_ctf_type_id type_id; | |
2122 | ||
2123 | /* Alignment must be a power of two */ | |
2124 | if (!type || type->frozen || !is_power_of_two(alignment)) { | |
2125 | ret = -1; | |
2126 | goto end; | |
2127 | } | |
2128 | ||
2129 | type_id = bt_ctf_field_type_get_type_id(type); | |
2130 | if (type_id == BT_CTF_TYPE_ID_UNKNOWN) { | |
2131 | ret = -1; | |
2132 | goto end; | |
2133 | } | |
2134 | ||
2135 | if (type->declaration->id == BT_CTF_TYPE_ID_STRING && | |
2136 | alignment != CHAR_BIT) { | |
2137 | ret = -1; | |
2138 | goto end; | |
2139 | } | |
2140 | ||
2141 | if (type_id == BT_CTF_TYPE_ID_VARIANT || | |
2142 | type_id == BT_CTF_TYPE_ID_SEQUENCE || | |
2143 | type_id == BT_CTF_TYPE_ID_ARRAY) { | |
2144 | /* Setting an alignment on these types makes no sense */ | |
2145 | ret = -1; | |
2146 | goto end; | |
2147 | } | |
2148 | ||
2149 | type->declaration->alignment = alignment; | |
2150 | ret = 0; | |
2151 | end: | |
2152 | return ret; | |
2153 | } | |
2154 | ||
5ad19bf0 | 2155 | BT_HIDDEN |
1c822dfb JG |
2156 | enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order( |
2157 | struct bt_ctf_field_type *type) | |
2158 | { | |
2159 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
2160 | ||
2161 | if (!type) { | |
2162 | goto end; | |
2163 | } | |
2164 | ||
2165 | switch (type->declaration->id) { | |
2166 | case BT_CTF_TYPE_ID_INTEGER: | |
2167 | { | |
2168 | struct bt_ctf_field_type_integer *integer = container_of( | |
2169 | type, struct bt_ctf_field_type_integer, parent); | |
2170 | ret = integer->user_byte_order; | |
2171 | break; | |
2172 | } | |
2173 | case BT_CTF_TYPE_ID_FLOAT: | |
2174 | { | |
2175 | struct bt_ctf_field_type_floating_point *floating_point = | |
2176 | container_of(type, | |
2177 | struct bt_ctf_field_type_floating_point, | |
2178 | parent); | |
2179 | ret = floating_point->user_byte_order; | |
2180 | break; | |
2181 | } | |
2182 | default: | |
2183 | goto end; | |
2184 | } | |
2185 | ||
2186 | assert(ret == BT_CTF_BYTE_ORDER_NATIVE || | |
2187 | ret == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN || | |
2188 | ret == BT_CTF_BYTE_ORDER_BIG_ENDIAN || | |
2189 | ret == BT_CTF_BYTE_ORDER_NETWORK); | |
2190 | ||
2191 | end: | |
2192 | return ret; | |
2193 | } | |
2194 | ||
2195 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, | |
2196 | enum bt_ctf_byte_order byte_order) | |
2197 | { | |
2198 | int ret = 0; | |
2199 | int internal_byte_order; | |
2200 | enum bt_ctf_type_id type_id; | |
2201 | ||
2202 | if (!type || type->frozen) { | |
2203 | ret = -1; | |
2204 | goto end; | |
2205 | } | |
2206 | ||
2207 | switch (byte_order) { | |
2208 | case BT_CTF_BYTE_ORDER_NATIVE: | |
2209 | /* Leave unset. Will be initialized by parent. */ | |
2210 | internal_byte_order = 0; | |
2211 | break; | |
2212 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
2213 | internal_byte_order = LITTLE_ENDIAN; | |
2214 | break; | |
2215 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
2216 | case BT_CTF_BYTE_ORDER_NETWORK: | |
2217 | internal_byte_order = BIG_ENDIAN; | |
2218 | break; | |
2219 | default: | |
2220 | ret = -1; | |
2221 | goto end; | |
2222 | } | |
2223 | ||
2224 | type_id = type->declaration->id; | |
2225 | if (set_byte_order_funcs[type_id]) { | |
2226 | set_byte_order_funcs[type_id](type, internal_byte_order, 0); | |
2227 | } | |
2228 | end: | |
2229 | return ret; | |
2230 | } | |
2231 | ||
5ad19bf0 | 2232 | BT_HIDDEN |
1c822dfb JG |
2233 | enum bt_ctf_type_id bt_ctf_field_type_get_type_id( |
2234 | struct bt_ctf_field_type *type) | |
2235 | { | |
2236 | if (!type) { | |
2237 | return BT_CTF_TYPE_ID_UNKNOWN; | |
2238 | } | |
2239 | ||
2240 | return type->declaration->id; | |
2241 | } | |
2242 | ||
5ad19bf0 | 2243 | BT_HIDDEN |
1c822dfb JG |
2244 | int bt_ctf_field_type_is_integer(struct bt_ctf_field_type *type) |
2245 | { | |
2246 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_INTEGER; | |
2247 | } | |
2248 | ||
5ad19bf0 | 2249 | BT_HIDDEN |
1c822dfb JG |
2250 | int bt_ctf_field_type_is_floating_point(struct bt_ctf_field_type *type) |
2251 | { | |
2252 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_FLOAT; | |
2253 | } | |
2254 | ||
5ad19bf0 | 2255 | BT_HIDDEN |
1c822dfb JG |
2256 | int bt_ctf_field_type_is_enumeration(struct bt_ctf_field_type *type) |
2257 | { | |
2258 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_ENUM; | |
2259 | } | |
2260 | ||
5ad19bf0 | 2261 | BT_HIDDEN |
1c822dfb JG |
2262 | int bt_ctf_field_type_is_string(struct bt_ctf_field_type *type) |
2263 | { | |
2264 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_STRING; | |
2265 | } | |
2266 | ||
5ad19bf0 | 2267 | BT_HIDDEN |
1c822dfb JG |
2268 | int bt_ctf_field_type_is_structure(struct bt_ctf_field_type *type) |
2269 | { | |
2270 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_STRUCT; | |
2271 | } | |
2272 | ||
5ad19bf0 | 2273 | BT_HIDDEN |
1c822dfb JG |
2274 | int bt_ctf_field_type_is_array(struct bt_ctf_field_type *type) |
2275 | { | |
2276 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_ARRAY; | |
2277 | } | |
2278 | ||
5ad19bf0 | 2279 | BT_HIDDEN |
1c822dfb JG |
2280 | int bt_ctf_field_type_is_sequence(struct bt_ctf_field_type *type) |
2281 | { | |
2282 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_SEQUENCE; | |
2283 | } | |
2284 | ||
5ad19bf0 | 2285 | BT_HIDDEN |
1c822dfb JG |
2286 | int bt_ctf_field_type_is_variant(struct bt_ctf_field_type *type) |
2287 | { | |
2288 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_VARIANT; | |
2289 | } | |
2290 | ||
2291 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) | |
2292 | { | |
2293 | bt_get(type); | |
2294 | } | |
2295 | ||
2296 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) | |
2297 | { | |
2298 | bt_put(type); | |
2299 | } | |
2300 | ||
2301 | BT_HIDDEN | |
2302 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) | |
2303 | { | |
2304 | if (!type) { | |
2305 | return; | |
2306 | } | |
2307 | ||
2308 | type->freeze(type); | |
2309 | } | |
2310 | ||
2311 | BT_HIDDEN | |
2312 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_signed( | |
2313 | struct bt_ctf_field_type_variant *variant, | |
2314 | int64_t tag_value) | |
2315 | { | |
2316 | struct bt_ctf_field_type *type = NULL; | |
2317 | GQuark field_name_quark; | |
2318 | gpointer index; | |
2319 | struct structure_field *field_entry; | |
2320 | struct range_overlap_query query = { | |
2321 | .range_start._signed = tag_value, | |
2322 | .range_end._signed = tag_value, | |
2323 | .mapping_name = 0, .overlaps = 0}; | |
2324 | ||
2325 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, | |
2326 | &query); | |
2327 | if (!query.overlaps) { | |
2328 | goto end; | |
2329 | } | |
2330 | ||
2331 | field_name_quark = query.mapping_name; | |
2332 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
2333 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
2334 | goto end; | |
2335 | } | |
2336 | ||
2337 | field_entry = g_ptr_array_index(variant->fields, (size_t) index); | |
2338 | type = field_entry->type; | |
2339 | end: | |
2340 | return type; | |
2341 | } | |
2342 | ||
2343 | BT_HIDDEN | |
2344 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_unsigned( | |
2345 | struct bt_ctf_field_type_variant *variant, | |
2346 | uint64_t tag_value) | |
2347 | { | |
2348 | struct bt_ctf_field_type *type = NULL; | |
2349 | GQuark field_name_quark; | |
2350 | gpointer index; | |
2351 | struct structure_field *field_entry; | |
2352 | struct range_overlap_query query = { | |
2353 | .range_start._unsigned = tag_value, | |
2354 | .range_end._unsigned = tag_value, | |
2355 | .mapping_name = 0, .overlaps = 0}; | |
2356 | ||
2357 | g_ptr_array_foreach(variant->tag->entries, | |
2358 | check_ranges_overlap_unsigned, | |
2359 | &query); | |
2360 | if (!query.overlaps) { | |
2361 | goto end; | |
2362 | } | |
2363 | ||
2364 | field_name_quark = query.mapping_name; | |
2365 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
2366 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
2367 | goto end; | |
2368 | } | |
2369 | ||
2370 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); | |
2371 | type = field_entry->type; | |
2372 | end: | |
2373 | return type; | |
2374 | } | |
2375 | ||
2376 | BT_HIDDEN | |
2377 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, | |
2378 | struct metadata_context *context) | |
2379 | { | |
2380 | int ret; | |
2381 | ||
2382 | if (!type || !context) { | |
2383 | ret = -1; | |
2384 | goto end; | |
2385 | } | |
2386 | ||
2387 | /* Make sure field type is valid before serializing it */ | |
2388 | ret = bt_ctf_field_type_validate(type); | |
2389 | ||
2390 | if (ret) { | |
2391 | goto end; | |
2392 | } | |
2393 | ||
2394 | ret = type->serialize(type, context); | |
2395 | end: | |
2396 | return ret; | |
2397 | } | |
2398 | ||
2399 | BT_HIDDEN | |
2400 | void bt_ctf_field_type_set_native_byte_order(struct bt_ctf_field_type *type, | |
2401 | int byte_order) | |
2402 | { | |
2403 | if (!type) { | |
2404 | return; | |
2405 | } | |
2406 | ||
2407 | assert(byte_order == LITTLE_ENDIAN || byte_order == BIG_ENDIAN); | |
2408 | if (set_byte_order_funcs[type->declaration->id]) { | |
2409 | set_byte_order_funcs[type->declaration->id](type, | |
2410 | byte_order, 1); | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | BT_HIDDEN | |
2415 | struct bt_ctf_field_type *bt_ctf_field_type_copy(struct bt_ctf_field_type *type) | |
2416 | { | |
2417 | struct bt_ctf_field_type *copy = NULL; | |
2418 | ||
2419 | if (!type) { | |
2420 | goto end; | |
2421 | } | |
2422 | ||
2423 | copy = type_copy_funcs[type->declaration->id](type); | |
2424 | end: | |
2425 | return copy; | |
2426 | } | |
2427 | ||
2428 | BT_HIDDEN | |
2429 | int bt_ctf_field_type_structure_get_field_name_index( | |
2430 | struct bt_ctf_field_type *type, const char *name) | |
2431 | { | |
2432 | int ret; | |
2433 | size_t index; | |
2434 | GQuark name_quark; | |
2435 | struct bt_ctf_field_type_structure *structure; | |
2436 | ||
2437 | if (!type || !name || | |
2438 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_STRUCT) { | |
2439 | ret = -1; | |
2440 | goto end; | |
2441 | } | |
2442 | ||
2443 | name_quark = g_quark_try_string(name); | |
2444 | if (!name_quark) { | |
2445 | ret = -1; | |
2446 | goto end; | |
2447 | } | |
2448 | ||
2449 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
2450 | parent); | |
2451 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
2452 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
2453 | ret = -1; | |
2454 | goto end; | |
2455 | } | |
2456 | ret = (int) index; | |
2457 | end: | |
2458 | return ret; | |
2459 | } | |
2460 | ||
2461 | BT_HIDDEN | |
2462 | int bt_ctf_field_type_structure_set_field_index(struct bt_ctf_field_type *type, | |
2463 | struct bt_ctf_field_type *field, int index) | |
2464 | { | |
2465 | int ret = 0; | |
2466 | struct bt_ctf_field_type_structure *structure; | |
2467 | ||
2468 | if (!type || !field || | |
2469 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_STRUCT) { | |
2470 | ret = -1; | |
2471 | goto end; | |
2472 | } | |
2473 | ||
2474 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
2475 | parent); | |
2476 | if (index < 0 || index >= structure->fields->len) { | |
2477 | ret = -1; | |
2478 | goto end; | |
2479 | } | |
2480 | ||
2481 | bt_get(field); | |
2482 | bt_put(((struct structure_field *) | |
2483 | g_ptr_array_index(structure->fields, index))->type); | |
2484 | ((struct structure_field *) structure->fields->pdata[index])->type = | |
2485 | field; | |
2486 | end: | |
2487 | return ret; | |
2488 | } | |
2489 | ||
2490 | BT_HIDDEN | |
2491 | int bt_ctf_field_type_variant_get_field_name_index( | |
2492 | struct bt_ctf_field_type *type, const char *name) | |
2493 | { | |
2494 | int ret; | |
2495 | size_t index; | |
2496 | GQuark name_quark; | |
2497 | struct bt_ctf_field_type_variant *variant; | |
2498 | ||
2499 | if (!type || !name || | |
2500 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_VARIANT) { | |
2501 | ret = -1; | |
2502 | goto end; | |
2503 | } | |
2504 | ||
2505 | name_quark = g_quark_try_string(name); | |
2506 | if (!name_quark) { | |
2507 | ret = -1; | |
2508 | goto end; | |
2509 | } | |
2510 | ||
2511 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2512 | parent); | |
2513 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
2514 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
2515 | ret = -1; | |
2516 | goto end; | |
2517 | } | |
2518 | ret = (int) index; | |
2519 | end: | |
2520 | return ret; | |
2521 | } | |
2522 | ||
2523 | BT_HIDDEN | |
2524 | int bt_ctf_field_type_sequence_set_length_field_path( | |
2525 | struct bt_ctf_field_type *type, | |
2526 | struct bt_ctf_field_path *path) | |
2527 | { | |
2528 | int ret = 0; | |
2529 | struct bt_ctf_field_type_sequence *sequence; | |
2530 | ||
2531 | if (!type || bt_ctf_field_type_get_type_id(type) != | |
2532 | BT_CTF_TYPE_ID_SEQUENCE) { | |
2533 | ret = -1; | |
2534 | goto end; | |
2535 | } | |
2536 | ||
2537 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
2538 | parent); | |
2539 | bt_get(path); | |
2540 | BT_MOVE(sequence->length_field_path, path); | |
2541 | end: | |
2542 | return ret; | |
2543 | } | |
2544 | ||
2545 | BT_HIDDEN | |
2546 | int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type *type, | |
2547 | struct bt_ctf_field_path *path) | |
2548 | { | |
2549 | int ret = 0; | |
2550 | struct bt_ctf_field_type_variant *variant; | |
2551 | ||
2552 | if (!type || bt_ctf_field_type_get_type_id(type) != | |
2553 | BT_CTF_TYPE_ID_VARIANT) { | |
2554 | ret = -1; | |
2555 | goto end; | |
2556 | } | |
2557 | ||
2558 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2559 | parent); | |
2560 | bt_get(path); | |
2561 | BT_MOVE(variant->tag_field_path, path); | |
2562 | end: | |
2563 | return ret; | |
2564 | } | |
2565 | ||
2566 | BT_HIDDEN | |
2567 | int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type *type, | |
2568 | struct bt_ctf_field_type *tag) | |
2569 | { | |
2570 | int ret = 0; | |
2571 | struct bt_ctf_field_type_variant *variant; | |
2572 | ||
2573 | if (!type || !tag || | |
2574 | bt_ctf_field_type_get_type_id(tag) != | |
2575 | BT_CTF_TYPE_ID_ENUM) { | |
2576 | ret = -1; | |
2577 | goto end; | |
2578 | } | |
2579 | ||
2580 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2581 | parent); | |
2582 | bt_get(tag); | |
2583 | if (variant->tag) { | |
2584 | bt_put(&variant->tag->parent); | |
2585 | } | |
2586 | variant->tag = container_of(tag, struct bt_ctf_field_type_enumeration, | |
2587 | parent); | |
2588 | end: | |
2589 | return ret; | |
2590 | } | |
2591 | ||
2592 | BT_HIDDEN | |
2593 | int bt_ctf_field_type_variant_set_field_index(struct bt_ctf_field_type *type, | |
2594 | struct bt_ctf_field_type *field, int index) | |
2595 | { | |
2596 | int ret = 0; | |
2597 | struct bt_ctf_field_type_variant *variant; | |
2598 | ||
2599 | if (!type || !field || | |
2600 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_VARIANT) { | |
2601 | ret = -1; | |
2602 | goto end; | |
2603 | } | |
2604 | ||
2605 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2606 | parent); | |
2607 | if (index < 0 || index >= variant->fields->len) { | |
2608 | ret = -1; | |
2609 | goto end; | |
2610 | } | |
2611 | ||
2612 | bt_get(field); | |
2613 | bt_put(((struct structure_field *) | |
2614 | g_ptr_array_index(variant->fields, index))->type); | |
2615 | ((struct structure_field *) variant->fields->pdata[index])->type = | |
2616 | field; | |
2617 | end: | |
2618 | return ret; | |
2619 | } | |
2620 | ||
2621 | static | |
2622 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *type) | |
2623 | { | |
2624 | struct bt_ctf_field_type_integer *integer = | |
2625 | (struct bt_ctf_field_type_integer *) type; | |
2626 | ||
2627 | if (!type) { | |
2628 | return; | |
2629 | } | |
2630 | ||
2631 | bt_put(integer->mapped_clock); | |
2632 | g_free(integer); | |
2633 | } | |
2634 | ||
2635 | static | |
2636 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *type) | |
2637 | { | |
2638 | struct bt_ctf_field_type_enumeration *enumeration = | |
2639 | (struct bt_ctf_field_type_enumeration *) type; | |
2640 | ||
2641 | if (!type) { | |
2642 | return; | |
2643 | } | |
2644 | ||
2645 | g_ptr_array_free(enumeration->entries, TRUE); | |
2646 | bt_put(enumeration->container); | |
2647 | g_free(enumeration); | |
2648 | } | |
2649 | ||
2650 | static | |
2651 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *type) | |
2652 | { | |
2653 | struct bt_ctf_field_type_floating_point *floating_point = | |
2654 | (struct bt_ctf_field_type_floating_point *) type; | |
2655 | ||
2656 | if (!type) { | |
2657 | return; | |
2658 | } | |
2659 | ||
2660 | g_free(floating_point); | |
2661 | } | |
2662 | ||
2663 | static | |
2664 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *type) | |
2665 | { | |
2666 | struct bt_ctf_field_type_structure *structure = | |
2667 | (struct bt_ctf_field_type_structure *) type; | |
2668 | ||
2669 | if (!type) { | |
2670 | return; | |
2671 | } | |
2672 | ||
2673 | g_ptr_array_free(structure->fields, TRUE); | |
2674 | g_hash_table_destroy(structure->field_name_to_index); | |
2675 | g_free(structure); | |
2676 | } | |
2677 | ||
2678 | static | |
2679 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *type) | |
2680 | { | |
2681 | struct bt_ctf_field_type_variant *variant = | |
2682 | (struct bt_ctf_field_type_variant *) type; | |
2683 | ||
2684 | if (!type) { | |
2685 | return; | |
2686 | } | |
2687 | ||
2688 | g_ptr_array_free(variant->fields, TRUE); | |
2689 | g_hash_table_destroy(variant->field_name_to_index); | |
2690 | g_string_free(variant->tag_name, TRUE); | |
2691 | bt_put(&variant->tag->parent); | |
2692 | BT_PUT(variant->tag_field_path); | |
2693 | g_free(variant); | |
2694 | } | |
2695 | ||
2696 | static | |
2697 | void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *type) | |
2698 | { | |
2699 | struct bt_ctf_field_type_array *array = | |
2700 | (struct bt_ctf_field_type_array *) type; | |
2701 | ||
2702 | if (!type) { | |
2703 | return; | |
2704 | } | |
2705 | ||
2706 | bt_put(array->element_type); | |
2707 | g_free(array); | |
2708 | } | |
2709 | ||
2710 | static | |
2711 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *type) | |
2712 | { | |
2713 | struct bt_ctf_field_type_sequence *sequence = | |
2714 | (struct bt_ctf_field_type_sequence *) type; | |
2715 | ||
2716 | if (!type) { | |
2717 | return; | |
2718 | } | |
2719 | ||
2720 | bt_put(sequence->element_type); | |
2721 | g_string_free(sequence->length_field_name, TRUE); | |
2722 | BT_PUT(sequence->length_field_path); | |
2723 | g_free(sequence); | |
2724 | } | |
2725 | ||
2726 | static | |
2727 | void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *type) | |
2728 | { | |
2729 | struct bt_ctf_field_type_string *string = | |
2730 | (struct bt_ctf_field_type_string *) type; | |
2731 | ||
2732 | if (!type) { | |
2733 | return; | |
2734 | } | |
2735 | ||
2736 | g_free(string); | |
2737 | } | |
2738 | ||
2739 | static | |
2740 | void generic_field_type_freeze(struct bt_ctf_field_type *type) | |
2741 | { | |
2742 | type->frozen = 1; | |
2743 | } | |
2744 | ||
2745 | static | |
2746 | void bt_ctf_field_type_integer_freeze(struct bt_ctf_field_type *type) | |
2747 | { | |
2748 | struct bt_ctf_field_type_integer *integer_type = container_of( | |
2749 | type, struct bt_ctf_field_type_integer, parent); | |
2750 | ||
2751 | if (integer_type->mapped_clock) { | |
2752 | bt_ctf_clock_freeze(integer_type->mapped_clock); | |
2753 | } | |
2754 | ||
2755 | generic_field_type_freeze(type); | |
2756 | } | |
2757 | ||
2758 | static | |
2759 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) | |
2760 | { | |
2761 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( | |
2762 | type, struct bt_ctf_field_type_enumeration, parent); | |
2763 | ||
2764 | generic_field_type_freeze(type); | |
2765 | bt_ctf_field_type_freeze(enumeration_type->container); | |
2766 | } | |
2767 | ||
2768 | static | |
2769 | void freeze_structure_field(struct structure_field *field) | |
2770 | { | |
2771 | bt_ctf_field_type_freeze(field->type); | |
2772 | } | |
2773 | ||
2774 | static | |
2775 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) | |
2776 | { | |
2777 | struct bt_ctf_field_type_structure *structure_type = container_of( | |
2778 | type, struct bt_ctf_field_type_structure, parent); | |
2779 | ||
2780 | /* Cache the alignment */ | |
2781 | type->declaration->alignment = bt_ctf_field_type_get_alignment(type); | |
2782 | generic_field_type_freeze(type); | |
2783 | g_ptr_array_foreach(structure_type->fields, | |
2784 | (GFunc) freeze_structure_field, NULL); | |
2785 | } | |
2786 | ||
2787 | static | |
2788 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) | |
2789 | { | |
2790 | struct bt_ctf_field_type_variant *variant_type = container_of( | |
2791 | type, struct bt_ctf_field_type_variant, parent); | |
2792 | ||
2793 | generic_field_type_freeze(type); | |
2794 | g_ptr_array_foreach(variant_type->fields, | |
2795 | (GFunc) freeze_structure_field, NULL); | |
2796 | } | |
2797 | ||
2798 | static | |
2799 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) | |
2800 | { | |
2801 | struct bt_ctf_field_type_array *array_type = container_of( | |
2802 | type, struct bt_ctf_field_type_array, parent); | |
2803 | ||
2804 | /* Cache the alignment */ | |
2805 | type->declaration->alignment = bt_ctf_field_type_get_alignment(type); | |
2806 | generic_field_type_freeze(type); | |
2807 | bt_ctf_field_type_freeze(array_type->element_type); | |
2808 | } | |
2809 | ||
2810 | static | |
2811 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) | |
2812 | { | |
2813 | struct bt_ctf_field_type_sequence *sequence_type = container_of( | |
2814 | type, struct bt_ctf_field_type_sequence, parent); | |
2815 | ||
2816 | /* Cache the alignment */ | |
2817 | type->declaration->alignment = bt_ctf_field_type_get_alignment(type); | |
2818 | generic_field_type_freeze(type); | |
2819 | bt_ctf_field_type_freeze(sequence_type->element_type); | |
2820 | } | |
2821 | ||
2822 | static | |
2823 | const char *get_encoding_string(enum bt_ctf_string_encoding encoding) | |
2824 | { | |
2825 | const char *encoding_string; | |
2826 | ||
2827 | switch (encoding) { | |
2828 | case BT_CTF_STRING_ENCODING_NONE: | |
2829 | encoding_string = "none"; | |
2830 | break; | |
2831 | case BT_CTF_STRING_ENCODING_ASCII: | |
2832 | encoding_string = "ASCII"; | |
2833 | break; | |
2834 | case BT_CTF_STRING_ENCODING_UTF8: | |
2835 | encoding_string = "UTF8"; | |
2836 | break; | |
2837 | default: | |
2838 | encoding_string = "unknown"; | |
2839 | break; | |
2840 | } | |
2841 | ||
2842 | return encoding_string; | |
2843 | } | |
2844 | ||
2845 | static | |
2846 | const char *get_integer_base_string(enum bt_ctf_integer_base base) | |
2847 | { | |
2848 | const char *base_string; | |
2849 | ||
2850 | switch (base) { | |
2851 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
2852 | base_string = "decimal"; | |
2853 | break; | |
2854 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
2855 | base_string = "hexadecimal"; | |
2856 | break; | |
2857 | case BT_CTF_INTEGER_BASE_OCTAL: | |
2858 | base_string = "octal"; | |
2859 | break; | |
2860 | case BT_CTF_INTEGER_BASE_BINARY: | |
2861 | base_string = "binary"; | |
2862 | break; | |
2863 | default: | |
2864 | base_string = "unknown"; | |
2865 | break; | |
2866 | } | |
2867 | ||
2868 | return base_string; | |
2869 | } | |
2870 | ||
2871 | static | |
2872 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, | |
2873 | struct metadata_context *context) | |
2874 | { | |
2875 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
2876 | struct bt_ctf_field_type_integer, parent); | |
2877 | int ret = 0; | |
2878 | ||
2879 | g_string_append_printf(context->string, | |
2880 | "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s", | |
2881 | integer->declaration.len, type->declaration->alignment, | |
2882 | (integer->declaration.signedness ? "true" : "false"), | |
2883 | get_encoding_string(integer->declaration.encoding), | |
2884 | get_integer_base_string(integer->declaration.base), | |
2885 | get_byte_order_string(integer->declaration.byte_order)); | |
2886 | if (integer->mapped_clock) { | |
2887 | const char *clock_name = bt_ctf_clock_get_name( | |
2888 | integer->mapped_clock); | |
2889 | ||
2890 | if (!clock_name) { | |
2891 | ret = -1; | |
2892 | goto end; | |
2893 | } | |
2894 | ||
2895 | g_string_append_printf(context->string, | |
2896 | "; map = clock.%s.value", clock_name); | |
2897 | } | |
2898 | ||
2899 | g_string_append(context->string, "; }"); | |
2900 | end: | |
2901 | return ret; | |
2902 | } | |
2903 | ||
2904 | static | |
2905 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, | |
2906 | struct metadata_context *context) | |
2907 | { | |
2908 | size_t entry; | |
2909 | int ret; | |
2910 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, | |
2911 | struct bt_ctf_field_type_enumeration, parent); | |
2912 | struct bt_ctf_field_type *container_type; | |
2913 | int container_signed; | |
2914 | ||
2915 | container_type = bt_ctf_field_type_enumeration_get_container_type(type); | |
2916 | if (!container_type) { | |
2917 | ret = -1; | |
2918 | goto end; | |
2919 | } | |
2920 | ||
2921 | container_signed = bt_ctf_field_type_integer_get_signed(container_type); | |
2922 | if (container_signed < 0) { | |
2923 | ret = container_signed; | |
2924 | goto error_put_container_type; | |
2925 | } | |
2926 | ||
2927 | g_string_append(context->string, "enum : "); | |
2928 | ret = bt_ctf_field_type_serialize(enumeration->container, context); | |
2929 | if (ret) { | |
2930 | goto error_put_container_type; | |
2931 | } | |
2932 | ||
2933 | g_string_append(context->string, " { "); | |
2934 | for (entry = 0; entry < enumeration->entries->len; entry++) { | |
2935 | struct enumeration_mapping *mapping = | |
2936 | enumeration->entries->pdata[entry]; | |
2937 | ||
2938 | if (container_signed) { | |
2939 | if (mapping->range_start._signed == | |
2940 | mapping->range_end._signed) { | |
2941 | g_string_append_printf(context->string, | |
2942 | "\"%s\" = %" PRId64, | |
2943 | g_quark_to_string(mapping->string), | |
2944 | mapping->range_start._signed); | |
2945 | } else { | |
2946 | g_string_append_printf(context->string, | |
2947 | "\"%s\" = %" PRId64 " ... %" PRId64, | |
2948 | g_quark_to_string(mapping->string), | |
2949 | mapping->range_start._signed, | |
2950 | mapping->range_end._signed); | |
2951 | } | |
2952 | } else { | |
2953 | if (mapping->range_start._unsigned == | |
2954 | mapping->range_end._unsigned) { | |
2955 | g_string_append_printf(context->string, | |
2956 | "\"%s\" = %" PRIu64, | |
2957 | g_quark_to_string(mapping->string), | |
2958 | mapping->range_start._unsigned); | |
2959 | } else { | |
2960 | g_string_append_printf(context->string, | |
2961 | "\"%s\" = %" PRIu64 " ... %" PRIu64, | |
2962 | g_quark_to_string(mapping->string), | |
2963 | mapping->range_start._unsigned, | |
2964 | mapping->range_end._unsigned); | |
2965 | } | |
2966 | } | |
2967 | ||
2968 | g_string_append(context->string, | |
2969 | ((entry != (enumeration->entries->len - 1)) ? | |
2970 | ", " : " }")); | |
2971 | } | |
2972 | ||
2973 | if (context->field_name->len) { | |
2974 | g_string_append_printf(context->string, " %s", | |
2975 | context->field_name->str); | |
2976 | g_string_assign(context->field_name, ""); | |
2977 | } | |
2978 | error_put_container_type: | |
2979 | bt_put(container_type); | |
2980 | end: | |
2981 | return ret; | |
2982 | } | |
2983 | ||
2984 | static | |
2985 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, | |
2986 | struct metadata_context *context) | |
2987 | { | |
2988 | struct bt_ctf_field_type_floating_point *floating_point = container_of( | |
2989 | type, struct bt_ctf_field_type_floating_point, parent); | |
2990 | ||
2991 | g_string_append_printf(context->string, | |
2992 | "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }", | |
2993 | floating_point->declaration.exp->len, | |
2994 | floating_point->declaration.mantissa->len + 1, | |
2995 | get_byte_order_string(floating_point->declaration.byte_order), | |
2996 | type->declaration->alignment); | |
2997 | return 0; | |
2998 | } | |
2999 | ||
3000 | static | |
3001 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, | |
3002 | struct metadata_context *context) | |
3003 | { | |
3004 | size_t i; | |
3005 | unsigned int indent; | |
3006 | int ret = 0; | |
3007 | struct bt_ctf_field_type_structure *structure = container_of(type, | |
3008 | struct bt_ctf_field_type_structure, parent); | |
3009 | GString *structure_field_name = context->field_name; | |
3010 | ||
3011 | context->field_name = g_string_new(""); | |
3012 | ||
3013 | context->current_indentation_level++; | |
3014 | g_string_append(context->string, "struct {\n"); | |
3015 | ||
3016 | for (i = 0; i < structure->fields->len; i++) { | |
3017 | struct structure_field *field; | |
3018 | ||
3019 | for (indent = 0; indent < context->current_indentation_level; | |
3020 | indent++) { | |
3021 | g_string_append_c(context->string, '\t'); | |
3022 | } | |
3023 | ||
3024 | field = structure->fields->pdata[i]; | |
3025 | g_string_assign(context->field_name, | |
3026 | g_quark_to_string(field->name)); | |
3027 | ret = bt_ctf_field_type_serialize(field->type, context); | |
3028 | if (ret) { | |
3029 | goto end; | |
3030 | } | |
3031 | ||
3032 | if (context->field_name->len) { | |
3033 | g_string_append_printf(context->string, " %s", | |
3034 | context->field_name->str); | |
3035 | } | |
3036 | g_string_append(context->string, ";\n"); | |
3037 | } | |
3038 | ||
3039 | context->current_indentation_level--; | |
3040 | for (indent = 0; indent < context->current_indentation_level; | |
3041 | indent++) { | |
3042 | g_string_append_c(context->string, '\t'); | |
3043 | } | |
3044 | ||
3045 | g_string_append_printf(context->string, "} align(%zu)", | |
3046 | type->declaration->alignment); | |
3047 | end: | |
3048 | g_string_free(context->field_name, TRUE); | |
3049 | context->field_name = structure_field_name; | |
3050 | return ret; | |
3051 | } | |
3052 | ||
3053 | static | |
3054 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, | |
3055 | struct metadata_context *context) | |
3056 | { | |
3057 | size_t i; | |
3058 | unsigned int indent; | |
3059 | int ret = 0; | |
3060 | struct bt_ctf_field_type_variant *variant = container_of( | |
3061 | type, struct bt_ctf_field_type_variant, parent); | |
3062 | GString *variant_field_name = context->field_name; | |
3063 | ||
3064 | context->field_name = g_string_new(""); | |
3065 | if (variant->tag_name->len > 0) { | |
3066 | g_string_append_printf(context->string, | |
3067 | "variant <%s> {\n", variant->tag_name->str); | |
3068 | } else { | |
3069 | g_string_append(context->string, "variant {\n"); | |
3070 | } | |
3071 | ||
3072 | context->current_indentation_level++; | |
3073 | for (i = 0; i < variant->fields->len; i++) { | |
3074 | struct structure_field *field = variant->fields->pdata[i]; | |
3075 | ||
3076 | g_string_assign(context->field_name, | |
3077 | g_quark_to_string(field->name)); | |
3078 | for (indent = 0; indent < context->current_indentation_level; | |
3079 | indent++) { | |
3080 | g_string_append_c(context->string, '\t'); | |
3081 | } | |
3082 | ||
3083 | g_string_assign(context->field_name, | |
3084 | g_quark_to_string(field->name)); | |
3085 | ret = bt_ctf_field_type_serialize(field->type, context); | |
3086 | if (ret) { | |
3087 | goto end; | |
3088 | } | |
3089 | ||
3090 | if (context->field_name->len) { | |
3091 | g_string_append_printf(context->string, " %s;", | |
3092 | context->field_name->str); | |
3093 | } | |
3094 | ||
3095 | g_string_append_c(context->string, '\n'); | |
3096 | } | |
3097 | ||
3098 | context->current_indentation_level--; | |
3099 | for (indent = 0; indent < context->current_indentation_level; | |
3100 | indent++) { | |
3101 | g_string_append_c(context->string, '\t'); | |
3102 | } | |
3103 | ||
3104 | g_string_append(context->string, "}"); | |
3105 | end: | |
3106 | g_string_free(context->field_name, TRUE); | |
3107 | context->field_name = variant_field_name; | |
3108 | return ret; | |
3109 | } | |
3110 | ||
3111 | static | |
3112 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, | |
3113 | struct metadata_context *context) | |
3114 | { | |
3115 | int ret = 0; | |
3116 | struct bt_ctf_field_type_array *array = container_of(type, | |
3117 | struct bt_ctf_field_type_array, parent); | |
3118 | ||
3119 | ret = bt_ctf_field_type_serialize(array->element_type, context); | |
3120 | if (ret) { | |
3121 | goto end; | |
3122 | } | |
3123 | ||
3124 | if (context->field_name->len) { | |
3125 | g_string_append_printf(context->string, " %s[%u]", | |
3126 | context->field_name->str, array->length); | |
3127 | g_string_assign(context->field_name, ""); | |
3128 | } else { | |
3129 | g_string_append_printf(context->string, "[%u]", array->length); | |
3130 | } | |
3131 | end: | |
3132 | return ret; | |
3133 | } | |
3134 | ||
3135 | static | |
3136 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, | |
3137 | struct metadata_context *context) | |
3138 | { | |
3139 | int ret = 0; | |
3140 | struct bt_ctf_field_type_sequence *sequence = container_of( | |
3141 | type, struct bt_ctf_field_type_sequence, parent); | |
3142 | ||
3143 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); | |
3144 | if (ret) { | |
3145 | goto end; | |
3146 | } | |
3147 | ||
3148 | if (context->field_name->len) { | |
3149 | g_string_append_printf(context->string, " %s[%s]", | |
3150 | context->field_name->str, | |
3151 | sequence->length_field_name->str); | |
3152 | g_string_assign(context->field_name, ""); | |
3153 | } else { | |
3154 | g_string_append_printf(context->string, "[%s]", | |
3155 | sequence->length_field_name->str); | |
3156 | } | |
3157 | end: | |
3158 | return ret; | |
3159 | } | |
3160 | ||
3161 | static | |
3162 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, | |
3163 | struct metadata_context *context) | |
3164 | { | |
3165 | struct bt_ctf_field_type_string *string = container_of( | |
3166 | type, struct bt_ctf_field_type_string, parent); | |
3167 | ||
3168 | g_string_append_printf(context->string, | |
3169 | "string { encoding = %s; }", | |
3170 | get_encoding_string(string->declaration.encoding)); | |
3171 | return 0; | |
3172 | } | |
3173 | ||
3174 | static | |
3175 | enum bt_ctf_byte_order get_ctf_ir_byte_order(int byte_order) { | |
3176 | enum bt_ctf_byte_order ret; | |
3177 | ||
3178 | switch (byte_order) { | |
3179 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
3180 | case LITTLE_ENDIAN: | |
3181 | ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; | |
3182 | break; | |
3183 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
3184 | case BIG_ENDIAN: | |
3185 | ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN; | |
3186 | break; | |
3187 | case BT_CTF_BYTE_ORDER_NETWORK: | |
3188 | ret = BT_CTF_BYTE_ORDER_NETWORK; | |
3189 | break; | |
3190 | case BT_CTF_BYTE_ORDER_NATIVE: | |
3191 | ret = BT_CTF_BYTE_ORDER_NATIVE; | |
3192 | break; | |
3193 | default: | |
3194 | ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
3195 | break; | |
3196 | } | |
3197 | ||
3198 | return ret; | |
3199 | } | |
3200 | ||
3201 | static | |
3202 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, | |
3203 | int byte_order, int set_native) | |
3204 | { | |
3205 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
3206 | struct bt_ctf_field_type_integer, parent); | |
3207 | ||
3208 | if (set_native) { | |
3209 | if (integer_type->user_byte_order == BT_CTF_BYTE_ORDER_NATIVE) { | |
3210 | /* | |
3211 | * User byte order is native, so we can set | |
3212 | * the real byte order. | |
3213 | */ | |
3214 | integer_type->declaration.byte_order = | |
3215 | byte_order; | |
3216 | } | |
3217 | } else { | |
3218 | integer_type->user_byte_order = | |
3219 | get_ctf_ir_byte_order(byte_order); | |
3220 | integer_type->declaration.byte_order = byte_order; | |
3221 | } | |
3222 | } | |
3223 | ||
3224 | static | |
3225 | void bt_ctf_field_type_enumeration_set_byte_order( | |
3226 | struct bt_ctf_field_type *type, int byte_order, int set_native) | |
3227 | { | |
3228 | struct bt_ctf_field_type_enumeration *enum_type = container_of(type, | |
3229 | struct bt_ctf_field_type_enumeration, parent); | |
3230 | ||
3231 | /* Safe to assume that container is an integer */ | |
3232 | bt_ctf_field_type_integer_set_byte_order(enum_type->container, | |
3233 | byte_order, set_native); | |
3234 | } | |
3235 | ||
3236 | static | |
3237 | void bt_ctf_field_type_floating_point_set_byte_order( | |
3238 | struct bt_ctf_field_type *type, int byte_order, int set_native) | |
3239 | { | |
3240 | struct bt_ctf_field_type_floating_point *floating_point_type = | |
3241 | container_of(type, struct bt_ctf_field_type_floating_point, | |
3242 | parent); | |
3243 | ||
3244 | if (set_native) { | |
3245 | if (floating_point_type->user_byte_order == | |
3246 | BT_CTF_BYTE_ORDER_NATIVE) { | |
3247 | /* | |
3248 | * User byte order is native, so we can set | |
3249 | * the real byte order. | |
3250 | */ | |
3251 | floating_point_type->declaration.byte_order = | |
3252 | byte_order; | |
3253 | floating_point_type->sign.byte_order = | |
3254 | byte_order; | |
3255 | floating_point_type->mantissa.byte_order = | |
3256 | byte_order; | |
3257 | floating_point_type->exp.byte_order = | |
3258 | byte_order; | |
3259 | } | |
3260 | } else { | |
3261 | floating_point_type->user_byte_order = | |
3262 | get_ctf_ir_byte_order(byte_order); | |
3263 | floating_point_type->declaration.byte_order = byte_order; | |
3264 | floating_point_type->sign.byte_order = byte_order; | |
3265 | floating_point_type->mantissa.byte_order = byte_order; | |
3266 | floating_point_type->exp.byte_order = byte_order; | |
3267 | } | |
3268 | } | |
3269 | ||
3270 | static | |
3271 | void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *type, | |
3272 | int byte_order, int set_native) | |
3273 | { | |
3274 | int i; | |
3275 | struct bt_ctf_field_type_structure *structure_type = | |
3276 | container_of(type, struct bt_ctf_field_type_structure, | |
3277 | parent); | |
3278 | ||
3279 | for (i = 0; i < structure_type->fields->len; i++) { | |
3280 | struct structure_field *field = g_ptr_array_index( | |
3281 | structure_type->fields, i); | |
3282 | struct bt_ctf_field_type *field_type = field->type; | |
3283 | ||
3284 | if (set_byte_order_funcs[field_type->declaration->id]) { | |
3285 | set_byte_order_funcs[field_type->declaration->id]( | |
3286 | field_type, byte_order, set_native); | |
3287 | } | |
3288 | } | |
3289 | } | |
3290 | ||
3291 | static | |
3292 | void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *type, | |
3293 | int byte_order, int set_native) | |
3294 | { | |
3295 | int i; | |
3296 | struct bt_ctf_field_type_variant *variant_type = | |
3297 | container_of(type, struct bt_ctf_field_type_variant, | |
3298 | parent); | |
3299 | ||
3300 | for (i = 0; i < variant_type->fields->len; i++) { | |
3301 | struct structure_field *field = g_ptr_array_index( | |
3302 | variant_type->fields, i); | |
3303 | struct bt_ctf_field_type *field_type = field->type; | |
3304 | ||
3305 | if (set_byte_order_funcs[field_type->declaration->id]) { | |
3306 | set_byte_order_funcs[field_type->declaration->id]( | |
3307 | field_type, byte_order, set_native); | |
3308 | } | |
3309 | } | |
3310 | } | |
3311 | ||
3312 | static | |
3313 | void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *type, | |
3314 | int byte_order, int set_native) | |
3315 | { | |
3316 | struct bt_ctf_field_type_array *array_type = | |
3317 | container_of(type, struct bt_ctf_field_type_array, | |
3318 | parent); | |
3319 | ||
3320 | if (set_byte_order_funcs[array_type->element_type->declaration->id]) { | |
3321 | set_byte_order_funcs[array_type->element_type->declaration->id]( | |
3322 | array_type->element_type, byte_order, set_native); | |
3323 | } | |
3324 | } | |
3325 | ||
3326 | static | |
3327 | void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *type, | |
3328 | int byte_order, int set_native) | |
3329 | { | |
3330 | struct bt_ctf_field_type_sequence *sequence_type = | |
3331 | container_of(type, struct bt_ctf_field_type_sequence, | |
3332 | parent); | |
3333 | ||
3334 | if (set_byte_order_funcs[ | |
3335 | sequence_type->element_type->declaration->id]) { | |
3336 | set_byte_order_funcs[ | |
3337 | sequence_type->element_type->declaration->id]( | |
3338 | sequence_type->element_type, byte_order, set_native); | |
3339 | } | |
3340 | } | |
3341 | ||
3342 | static | |
3343 | struct bt_ctf_field_type *bt_ctf_field_type_integer_copy( | |
3344 | struct bt_ctf_field_type *type) | |
3345 | { | |
3346 | struct bt_ctf_field_type *copy; | |
3347 | struct bt_ctf_field_type_integer *integer, *copy_integer; | |
3348 | ||
3349 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
3350 | copy = bt_ctf_field_type_integer_create(integer->declaration.len); | |
3351 | if (!copy) { | |
3352 | goto end; | |
3353 | } | |
3354 | ||
3355 | copy_integer = container_of(copy, struct bt_ctf_field_type_integer, | |
3356 | parent); | |
3357 | copy_integer->declaration = integer->declaration; | |
3358 | if (integer->mapped_clock) { | |
3359 | bt_get(integer->mapped_clock); | |
3360 | copy_integer->mapped_clock = integer->mapped_clock; | |
3361 | } | |
3362 | ||
3363 | copy_integer->user_byte_order = integer->user_byte_order; | |
3364 | ||
3365 | end: | |
3366 | return copy; | |
3367 | } | |
3368 | ||
3369 | static | |
3370 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy( | |
3371 | struct bt_ctf_field_type *type) | |
3372 | { | |
3373 | size_t i; | |
3374 | struct bt_ctf_field_type *copy = NULL, *copy_container; | |
3375 | struct bt_ctf_field_type_enumeration *enumeration, *copy_enumeration; | |
3376 | ||
3377 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
3378 | parent); | |
3379 | ||
3380 | /* Copy the source enumeration's container */ | |
3381 | copy_container = bt_ctf_field_type_copy(enumeration->container); | |
3382 | if (!copy_container) { | |
3383 | goto end; | |
3384 | } | |
3385 | ||
3386 | copy = bt_ctf_field_type_enumeration_create(copy_container); | |
3387 | if (!copy) { | |
3388 | goto end; | |
3389 | } | |
3390 | copy_enumeration = container_of(copy, | |
3391 | struct bt_ctf_field_type_enumeration, parent); | |
3392 | ||
3393 | /* Copy all enumaration entries */ | |
3394 | for (i = 0; i < enumeration->entries->len; i++) { | |
3395 | struct enumeration_mapping *mapping = g_ptr_array_index( | |
3396 | enumeration->entries, i); | |
3397 | struct enumeration_mapping* copy_mapping = g_new0( | |
3398 | struct enumeration_mapping, 1); | |
3399 | ||
3400 | if (!copy_mapping) { | |
3401 | goto error; | |
3402 | } | |
3403 | ||
3404 | *copy_mapping = *mapping; | |
3405 | g_ptr_array_add(copy_enumeration->entries, copy_mapping); | |
3406 | } | |
3407 | ||
3408 | copy_enumeration->declaration = enumeration->declaration; | |
3409 | end: | |
3410 | bt_put(copy_container); | |
3411 | return copy; | |
3412 | error: | |
3413 | bt_put(copy_container); | |
3414 | BT_PUT(copy); | |
3415 | return copy; | |
3416 | } | |
3417 | ||
3418 | static | |
3419 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy( | |
3420 | struct bt_ctf_field_type *type) | |
3421 | { | |
3422 | struct bt_ctf_field_type *copy; | |
3423 | struct bt_ctf_field_type_floating_point *floating_point, *copy_float; | |
3424 | ||
3425 | floating_point = container_of(type, | |
3426 | struct bt_ctf_field_type_floating_point, parent); | |
3427 | copy = bt_ctf_field_type_floating_point_create(); | |
3428 | if (!copy) { | |
3429 | goto end; | |
3430 | } | |
3431 | ||
3432 | copy_float = container_of(copy, | |
3433 | struct bt_ctf_field_type_floating_point, parent); | |
3434 | copy_float->declaration = floating_point->declaration; | |
3435 | copy_float->sign = floating_point->sign; | |
3436 | copy_float->mantissa = floating_point->mantissa; | |
3437 | copy_float->exp = floating_point->exp; | |
3438 | copy_float->user_byte_order = floating_point->user_byte_order; | |
3439 | copy_float->declaration.sign = ©_float->sign; | |
3440 | copy_float->declaration.mantissa = ©_float->mantissa; | |
3441 | copy_float->declaration.exp = ©_float->exp; | |
3442 | end: | |
3443 | return copy; | |
3444 | } | |
3445 | ||
3446 | static | |
3447 | struct bt_ctf_field_type *bt_ctf_field_type_structure_copy( | |
3448 | struct bt_ctf_field_type *type) | |
3449 | { | |
3450 | int i; | |
3451 | GHashTableIter iter; | |
3452 | gpointer key, value; | |
3453 | struct bt_ctf_field_type *copy; | |
3454 | struct bt_ctf_field_type_structure *structure, *copy_structure; | |
3455 | ||
3456 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
3457 | parent); | |
3458 | copy = bt_ctf_field_type_structure_create(); | |
3459 | if (!copy) { | |
3460 | goto end; | |
3461 | } | |
3462 | ||
3463 | copy_structure = container_of(copy, | |
3464 | struct bt_ctf_field_type_structure, parent); | |
3465 | ||
3466 | /* Copy field_name_to_index */ | |
3467 | g_hash_table_iter_init(&iter, structure->field_name_to_index); | |
3468 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
3469 | g_hash_table_insert(copy_structure->field_name_to_index, | |
3470 | key, value); | |
3471 | } | |
3472 | ||
3473 | for (i = 0; i < structure->fields->len; i++) { | |
3474 | struct structure_field *entry, *copy_entry; | |
3475 | struct bt_ctf_field_type *copy_field; | |
3476 | ||
3477 | copy_entry = g_new0(struct structure_field, 1); | |
3478 | if (!copy_entry) { | |
3479 | goto error; | |
3480 | } | |
3481 | ||
3482 | entry = g_ptr_array_index(structure->fields, i); | |
3483 | copy_field = bt_ctf_field_type_copy(entry->type); | |
3484 | if (!copy_field) { | |
3485 | g_free(copy_entry); | |
3486 | goto error; | |
3487 | } | |
3488 | ||
3489 | copy_entry->name = entry->name; | |
3490 | copy_entry->type = copy_field; | |
3491 | g_ptr_array_add(copy_structure->fields, copy_entry); | |
3492 | } | |
3493 | ||
3494 | copy_structure->declaration = structure->declaration; | |
3495 | end: | |
3496 | return copy; | |
3497 | error: | |
3498 | BT_PUT(copy); | |
3499 | return copy; | |
3500 | } | |
3501 | ||
3502 | static | |
3503 | struct bt_ctf_field_type *bt_ctf_field_type_variant_copy( | |
3504 | struct bt_ctf_field_type *type) | |
3505 | { | |
3506 | int i; | |
3507 | GHashTableIter iter; | |
3508 | gpointer key, value; | |
3509 | struct bt_ctf_field_type *copy = NULL, *copy_tag = NULL; | |
3510 | struct bt_ctf_field_type_variant *variant, *copy_variant; | |
3511 | ||
3512 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
3513 | parent); | |
3514 | if (variant->tag) { | |
3515 | copy_tag = bt_ctf_field_type_copy(&variant->tag->parent); | |
3516 | if (!copy_tag) { | |
3517 | goto end; | |
3518 | } | |
3519 | } | |
3520 | ||
3521 | copy = bt_ctf_field_type_variant_create(copy_tag, | |
3522 | variant->tag_name->len ? variant->tag_name->str : NULL); | |
3523 | if (!copy) { | |
3524 | goto end; | |
3525 | } | |
3526 | ||
3527 | copy_variant = container_of(copy, struct bt_ctf_field_type_variant, | |
3528 | parent); | |
3529 | ||
3530 | /* Copy field_name_to_index */ | |
3531 | g_hash_table_iter_init(&iter, variant->field_name_to_index); | |
3532 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
3533 | g_hash_table_insert(copy_variant->field_name_to_index, | |
3534 | key, value); | |
3535 | } | |
3536 | ||
3537 | for (i = 0; i < variant->fields->len; i++) { | |
3538 | struct structure_field *entry, *copy_entry; | |
3539 | struct bt_ctf_field_type *copy_field; | |
3540 | ||
3541 | copy_entry = g_new0(struct structure_field, 1); | |
3542 | if (!copy_entry) { | |
3543 | goto error; | |
3544 | } | |
3545 | ||
3546 | entry = g_ptr_array_index(variant->fields, i); | |
3547 | copy_field = bt_ctf_field_type_copy(entry->type); | |
3548 | if (!copy_field) { | |
3549 | g_free(copy_entry); | |
3550 | goto error; | |
3551 | } | |
3552 | ||
3553 | copy_entry->name = entry->name; | |
3554 | copy_entry->type = copy_field; | |
3555 | g_ptr_array_add(copy_variant->fields, copy_entry); | |
3556 | } | |
3557 | ||
3558 | copy_variant->declaration = variant->declaration; | |
3559 | if (variant->tag_field_path) { | |
3560 | copy_variant->tag_field_path = bt_ctf_field_path_copy( | |
3561 | variant->tag_field_path); | |
3562 | if (!copy_variant->tag_field_path) { | |
3563 | goto error; | |
3564 | } | |
3565 | } | |
3566 | end: | |
3567 | bt_put(copy_tag); | |
3568 | return copy; | |
3569 | error: | |
3570 | bt_put(copy_tag); | |
3571 | BT_PUT(copy); | |
3572 | return copy; | |
3573 | } | |
3574 | ||
3575 | static | |
3576 | struct bt_ctf_field_type *bt_ctf_field_type_array_copy( | |
3577 | struct bt_ctf_field_type *type) | |
3578 | { | |
3579 | struct bt_ctf_field_type *copy = NULL, *copy_element; | |
3580 | struct bt_ctf_field_type_array *array, *copy_array; | |
3581 | ||
3582 | array = container_of(type, struct bt_ctf_field_type_array, | |
3583 | parent); | |
3584 | copy_element = bt_ctf_field_type_copy(array->element_type); | |
3585 | if (!copy_element) { | |
3586 | goto end; | |
3587 | } | |
3588 | ||
3589 | copy = bt_ctf_field_type_array_create(copy_element, array->length); | |
3590 | if (!copy) { | |
3591 | goto end; | |
3592 | } | |
3593 | ||
3594 | copy_array = container_of(copy, struct bt_ctf_field_type_array, | |
3595 | parent); | |
3596 | copy_array->declaration = array->declaration; | |
3597 | end: | |
3598 | bt_put(copy_element); | |
3599 | return copy; | |
3600 | } | |
3601 | ||
3602 | static | |
3603 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy( | |
3604 | struct bt_ctf_field_type *type) | |
3605 | { | |
3606 | struct bt_ctf_field_type *copy = NULL, *copy_element; | |
3607 | struct bt_ctf_field_type_sequence *sequence, *copy_sequence; | |
3608 | ||
3609 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
3610 | parent); | |
3611 | copy_element = bt_ctf_field_type_copy(sequence->element_type); | |
3612 | if (!copy_element) { | |
3613 | goto end; | |
3614 | } | |
3615 | ||
3616 | copy = bt_ctf_field_type_sequence_create(copy_element, | |
3617 | sequence->length_field_name->len ? | |
3618 | sequence->length_field_name->str : NULL); | |
3619 | if (!copy) { | |
3620 | goto end; | |
3621 | } | |
3622 | ||
3623 | copy_sequence = container_of(copy, struct bt_ctf_field_type_sequence, | |
3624 | parent); | |
3625 | copy_sequence->declaration = sequence->declaration; | |
3626 | if (sequence->length_field_path) { | |
3627 | copy_sequence->length_field_path = bt_ctf_field_path_copy( | |
3628 | sequence->length_field_path); | |
3629 | if (!copy_sequence->length_field_path) { | |
3630 | goto error; | |
3631 | } | |
3632 | } | |
3633 | end: | |
3634 | bt_put(copy_element); | |
3635 | return copy; | |
3636 | error: | |
3637 | BT_PUT(copy); | |
3638 | goto end; | |
3639 | } | |
3640 | ||
3641 | static | |
3642 | struct bt_ctf_field_type *bt_ctf_field_type_string_copy( | |
3643 | struct bt_ctf_field_type *type) | |
3644 | { | |
3645 | struct bt_ctf_field_type *copy; | |
3646 | struct bt_ctf_field_type_string *string, *copy_string; | |
3647 | ||
3648 | copy = bt_ctf_field_type_string_create(); | |
3649 | if (!copy) { | |
3650 | goto end; | |
3651 | } | |
3652 | ||
3653 | string = container_of(type, struct bt_ctf_field_type_string, | |
3654 | parent); | |
3655 | copy_string = container_of(type, struct bt_ctf_field_type_string, | |
3656 | parent); | |
3657 | copy_string->declaration = string->declaration; | |
3658 | end: | |
3659 | return copy; | |
3660 | } | |
3661 | ||
3662 | static | |
3663 | int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *type_a, | |
3664 | struct bt_ctf_field_type *type_b) | |
3665 | { | |
3666 | int ret = 1; | |
3667 | struct bt_ctf_field_type_integer *integer_a; | |
3668 | struct bt_ctf_field_type_integer *integer_b; | |
3669 | struct declaration_integer *decl_a; | |
3670 | struct declaration_integer *decl_b; | |
3671 | ||
3672 | integer_a = container_of(type_a, struct bt_ctf_field_type_integer, | |
3673 | parent); | |
3674 | integer_b = container_of(type_b, struct bt_ctf_field_type_integer, | |
3675 | parent); | |
3676 | decl_a = &integer_a->declaration; | |
3677 | decl_b = &integer_b->declaration; | |
3678 | ||
3679 | /* Length */ | |
3680 | if (decl_a->len != decl_b->len) { | |
3681 | goto end; | |
3682 | } | |
3683 | ||
3684 | /* | |
3685 | * Compare user byte orders only, not the cached, | |
3686 | * real byte orders. | |
3687 | */ | |
3688 | if (integer_a->user_byte_order != integer_b->user_byte_order) { | |
3689 | goto end; | |
3690 | } | |
3691 | ||
3692 | /* Signedness */ | |
3693 | if (decl_a->signedness != decl_b->signedness) { | |
3694 | goto end; | |
3695 | } | |
3696 | ||
3697 | /* Base */ | |
3698 | if (decl_a->base != decl_b->base) { | |
3699 | goto end; | |
3700 | } | |
3701 | ||
3702 | /* Encoding */ | |
3703 | if (decl_a->encoding != decl_b->encoding) { | |
3704 | goto end; | |
3705 | } | |
3706 | ||
3707 | /* Mapped clock */ | |
3708 | if (integer_a->mapped_clock != integer_b->mapped_clock) { | |
3709 | goto end; | |
3710 | } | |
3711 | ||
3712 | /* Equal */ | |
3713 | ret = 0; | |
3714 | ||
3715 | end: | |
3716 | return ret; | |
3717 | } | |
3718 | ||
3719 | static | |
3720 | int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *type_a, | |
3721 | struct bt_ctf_field_type *type_b) | |
3722 | { | |
3723 | int ret = 1; | |
3724 | struct bt_ctf_field_type_floating_point *float_a; | |
3725 | struct bt_ctf_field_type_floating_point *float_b; | |
3726 | ||
3727 | float_a = container_of(type_a, | |
3728 | struct bt_ctf_field_type_floating_point, parent); | |
3729 | float_b = container_of(type_b, | |
3730 | struct bt_ctf_field_type_floating_point, parent); | |
3731 | ||
3732 | /* Sign length */ | |
3733 | if (float_a->sign.len != float_b->sign.len) { | |
3734 | goto end; | |
3735 | } | |
3736 | ||
3737 | /* Exponent length */ | |
3738 | if (float_a->exp.len != float_b->exp.len) { | |
3739 | goto end; | |
3740 | } | |
3741 | ||
3742 | /* Mantissa length */ | |
3743 | if (float_a->mantissa.len != float_b->mantissa.len) { | |
3744 | goto end; | |
3745 | } | |
3746 | ||
3747 | /* | |
3748 | * Compare user byte orders only, not the cached, | |
3749 | * real byte orders. | |
3750 | */ | |
3751 | if (float_a->user_byte_order != float_b->user_byte_order) { | |
3752 | goto end; | |
3753 | } | |
3754 | ||
3755 | /* Equal */ | |
3756 | ret = 0; | |
3757 | ||
3758 | end: | |
3759 | return ret; | |
3760 | } | |
3761 | ||
3762 | static | |
3763 | int compare_enumeration_mappings(struct enumeration_mapping *mapping_a, | |
3764 | struct enumeration_mapping *mapping_b) | |
3765 | { | |
3766 | int ret = 1; | |
3767 | ||
3768 | /* Label */ | |
3769 | if (mapping_a->string != mapping_b->string) { | |
3770 | goto end; | |
3771 | } | |
3772 | ||
3773 | /* Range start */ | |
3774 | if (mapping_a->range_start._unsigned != | |
3775 | mapping_b->range_start._unsigned) { | |
3776 | goto end; | |
3777 | } | |
3778 | ||
3779 | /* Range end */ | |
3780 | if (mapping_a->range_end._unsigned != | |
3781 | mapping_b->range_end._unsigned) { | |
3782 | goto end; | |
3783 | } | |
3784 | ||
3785 | /* Equal */ | |
3786 | ret = 0; | |
3787 | ||
3788 | end: | |
3789 | return ret; | |
3790 | } | |
3791 | ||
3792 | static | |
3793 | int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *type_a, | |
3794 | struct bt_ctf_field_type *type_b) | |
3795 | { | |
3796 | int ret = 1; | |
3797 | int i; | |
3798 | struct bt_ctf_field_type_enumeration *enum_a; | |
3799 | struct bt_ctf_field_type_enumeration *enum_b; | |
3800 | ||
3801 | enum_a = container_of(type_a, | |
3802 | struct bt_ctf_field_type_enumeration, parent); | |
3803 | enum_b = container_of(type_b, | |
3804 | struct bt_ctf_field_type_enumeration, parent); | |
3805 | ||
3806 | /* Container field type */ | |
3807 | ret = bt_ctf_field_type_compare(enum_a->container, enum_b->container); | |
3808 | if (ret) { | |
3809 | goto end; | |
3810 | } | |
3811 | ||
3812 | ret = 1; | |
3813 | ||
3814 | /* Entries */ | |
3815 | if (enum_a->entries->len != enum_b->entries->len) { | |
3816 | goto end; | |
3817 | } | |
3818 | ||
3819 | for (i = 0; i < enum_a->entries->len; ++i) { | |
3820 | struct enumeration_mapping *mapping_a = | |
3821 | g_ptr_array_index(enum_a->entries, i); | |
3822 | struct enumeration_mapping *mapping_b = | |
3823 | g_ptr_array_index(enum_b->entries, i); | |
3824 | ||
3825 | if (compare_enumeration_mappings(mapping_a, mapping_b)) { | |
3826 | goto end; | |
3827 | } | |
3828 | } | |
3829 | ||
3830 | /* Equal */ | |
3831 | ret = 0; | |
3832 | ||
3833 | end: | |
3834 | return ret; | |
3835 | } | |
3836 | ||
3837 | static | |
3838 | int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *type_a, | |
3839 | struct bt_ctf_field_type *type_b) | |
3840 | { | |
3841 | int ret = 1; | |
3842 | struct bt_ctf_field_type_string *string_a; | |
3843 | struct bt_ctf_field_type_string *string_b; | |
3844 | ||
3845 | string_a = container_of(type_a, | |
3846 | struct bt_ctf_field_type_string, parent); | |
3847 | string_b = container_of(type_b, | |
3848 | struct bt_ctf_field_type_string, parent); | |
3849 | ||
3850 | /* Encoding */ | |
3851 | if (string_a->declaration.encoding != string_b->declaration.encoding) { | |
3852 | goto end; | |
3853 | } | |
3854 | ||
3855 | /* Equal */ | |
3856 | ret = 0; | |
3857 | ||
3858 | end: | |
3859 | return ret; | |
3860 | } | |
3861 | ||
3862 | static | |
3863 | int compare_structure_fields(struct structure_field *field_a, | |
3864 | struct structure_field *field_b) | |
3865 | { | |
3866 | int ret = 1; | |
3867 | ||
3868 | /* Label */ | |
3869 | if (field_a->name != field_b->name) { | |
3870 | goto end; | |
3871 | } | |
3872 | ||
3873 | /* Type */ | |
3874 | ret = bt_ctf_field_type_compare(field_a->type, field_b->type); | |
3875 | ||
3876 | end: | |
3877 | return ret; | |
3878 | } | |
3879 | ||
3880 | static | |
3881 | int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *type_a, | |
3882 | struct bt_ctf_field_type *type_b) | |
3883 | { | |
3884 | int ret = 1; | |
3885 | int i; | |
3886 | struct bt_ctf_field_type_structure *struct_a; | |
3887 | struct bt_ctf_field_type_structure *struct_b; | |
3888 | ||
3889 | struct_a = container_of(type_a, | |
3890 | struct bt_ctf_field_type_structure, parent); | |
3891 | struct_b = container_of(type_b, | |
3892 | struct bt_ctf_field_type_structure, parent); | |
3893 | ||
3894 | /* Alignment */ | |
3895 | if (bt_ctf_field_type_get_alignment(type_a) != | |
3896 | bt_ctf_field_type_get_alignment(type_b)) { | |
3897 | goto end; | |
3898 | } | |
3899 | ||
3900 | /* Fields */ | |
3901 | if (struct_a->fields->len != struct_b->fields->len) { | |
3902 | goto end; | |
3903 | } | |
3904 | ||
3905 | for (i = 0; i < struct_a->fields->len; ++i) { | |
3906 | struct structure_field *field_a = | |
3907 | g_ptr_array_index(struct_a->fields, i); | |
3908 | struct structure_field *field_b = | |
3909 | g_ptr_array_index(struct_b->fields, i); | |
3910 | ||
3911 | ret = compare_structure_fields(field_a, field_b); | |
3912 | if (ret) { | |
3913 | goto end; | |
3914 | } | |
3915 | } | |
3916 | ||
3917 | /* Equal */ | |
3918 | ret = 0; | |
3919 | ||
3920 | end: | |
3921 | return ret; | |
3922 | } | |
3923 | ||
3924 | static | |
3925 | int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *type_a, | |
3926 | struct bt_ctf_field_type *type_b) | |
3927 | { | |
3928 | int ret = 1; | |
3929 | int i; | |
3930 | struct bt_ctf_field_type_variant *variant_a; | |
3931 | struct bt_ctf_field_type_variant *variant_b; | |
3932 | ||
3933 | variant_a = container_of(type_a, | |
3934 | struct bt_ctf_field_type_variant, parent); | |
3935 | variant_b = container_of(type_b, | |
3936 | struct bt_ctf_field_type_variant, parent); | |
3937 | ||
3938 | /* Tag name */ | |
3939 | if (strcmp(variant_a->tag_name->str, variant_b->tag_name->str)) { | |
3940 | goto end; | |
3941 | } | |
3942 | ||
3943 | /* Tag type */ | |
3944 | ret = bt_ctf_field_type_compare( | |
3945 | (struct bt_ctf_field_type *) variant_a->tag, | |
3946 | (struct bt_ctf_field_type *) variant_b->tag); | |
3947 | if (ret) { | |
3948 | goto end; | |
3949 | } | |
3950 | ||
3951 | ret = 1; | |
3952 | ||
3953 | /* Fields */ | |
3954 | if (variant_a->fields->len != variant_b->fields->len) { | |
3955 | goto end; | |
3956 | } | |
3957 | ||
3958 | for (i = 0; i < variant_a->fields->len; ++i) { | |
3959 | struct structure_field *field_a = | |
3960 | g_ptr_array_index(variant_a->fields, i); | |
3961 | struct structure_field *field_b = | |
3962 | g_ptr_array_index(variant_b->fields, i); | |
3963 | ||
3964 | ret = compare_structure_fields(field_a, field_b); | |
3965 | if (ret) { | |
3966 | goto end; | |
3967 | } | |
3968 | } | |
3969 | ||
3970 | /* Equal */ | |
3971 | ret = 0; | |
3972 | ||
3973 | end: | |
3974 | return ret; | |
3975 | } | |
3976 | ||
3977 | static | |
3978 | int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *type_a, | |
3979 | struct bt_ctf_field_type *type_b) | |
3980 | { | |
3981 | int ret = 1; | |
3982 | struct bt_ctf_field_type_array *array_a; | |
3983 | struct bt_ctf_field_type_array *array_b; | |
3984 | ||
3985 | array_a = container_of(type_a, | |
3986 | struct bt_ctf_field_type_array, parent); | |
3987 | array_b = container_of(type_b, | |
3988 | struct bt_ctf_field_type_array, parent); | |
3989 | ||
3990 | /* Length */ | |
3991 | if (array_a->length != array_b->length) { | |
3992 | goto end; | |
3993 | } | |
3994 | ||
3995 | /* Element type */ | |
3996 | ret = bt_ctf_field_type_compare(array_a->element_type, | |
3997 | array_b->element_type); | |
3998 | ||
3999 | end: | |
4000 | return ret; | |
4001 | } | |
4002 | ||
4003 | static | |
4004 | int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *type_a, | |
4005 | struct bt_ctf_field_type *type_b) | |
4006 | { | |
4007 | int ret = -1; | |
4008 | struct bt_ctf_field_type_sequence *sequence_a; | |
4009 | struct bt_ctf_field_type_sequence *sequence_b; | |
4010 | ||
4011 | sequence_a = container_of(type_a, | |
4012 | struct bt_ctf_field_type_sequence, parent); | |
4013 | sequence_b = container_of(type_b, | |
4014 | struct bt_ctf_field_type_sequence, parent); | |
4015 | ||
4016 | /* Length name */ | |
4017 | if (strcmp(sequence_a->length_field_name->str, | |
4018 | sequence_b->length_field_name->str)) { | |
4019 | goto end; | |
4020 | } | |
4021 | ||
4022 | /* Element type */ | |
4023 | ret = bt_ctf_field_type_compare(sequence_a->element_type, | |
4024 | sequence_b->element_type); | |
4025 | ||
4026 | end: | |
4027 | return ret; | |
4028 | } | |
4029 | ||
5ad19bf0 | 4030 | BT_HIDDEN |
1c822dfb JG |
4031 | int bt_ctf_field_type_compare(struct bt_ctf_field_type *type_a, |
4032 | struct bt_ctf_field_type *type_b) | |
4033 | { | |
4034 | int ret = 1; | |
4035 | ||
4036 | if (type_a == type_b) { | |
4037 | /* Same reference: equal (even if both are NULL) */ | |
4038 | ret = 0; | |
4039 | goto end; | |
4040 | } | |
4041 | ||
4042 | if (!type_a || !type_b) { | |
4043 | ret = -1; | |
4044 | goto end; | |
4045 | } | |
4046 | ||
4047 | if (type_a->declaration->id != type_b->declaration->id) { | |
4048 | /* Different type IDs */ | |
4049 | goto end; | |
4050 | } | |
4051 | ||
4052 | if (type_a->declaration->id == BT_CTF_TYPE_ID_UNKNOWN) { | |
4053 | /* Both have unknown type IDs */ | |
4054 | goto end; | |
4055 | } | |
4056 | ||
4057 | ret = type_compare_funcs[type_a->declaration->id](type_a, type_b); | |
4058 | ||
4059 | end: | |
4060 | return ret; | |
4061 | } | |
4062 | ||
4063 | BT_HIDDEN | |
4064 | int bt_ctf_field_type_get_field_count(struct bt_ctf_field_type *field_type) | |
4065 | { | |
4066 | int field_count = -1; | |
4067 | enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type); | |
4068 | ||
4069 | switch (type_id) { | |
4070 | case CTF_TYPE_STRUCT: | |
4071 | field_count = | |
4072 | bt_ctf_field_type_structure_get_field_count(field_type); | |
4073 | break; | |
4074 | case CTF_TYPE_VARIANT: | |
4075 | field_count = | |
4076 | bt_ctf_field_type_variant_get_field_count(field_type); | |
4077 | break; | |
4078 | case CTF_TYPE_ARRAY: | |
4079 | case CTF_TYPE_SEQUENCE: | |
4080 | /* | |
4081 | * Array and sequence types always contain a single member | |
4082 | * (the element type). | |
4083 | */ | |
4084 | field_count = 1; | |
4085 | break; | |
4086 | default: | |
4087 | break; | |
4088 | } | |
4089 | ||
4090 | return field_count; | |
4091 | } | |
4092 | ||
4093 | BT_HIDDEN | |
4094 | struct bt_ctf_field_type *bt_ctf_field_type_get_field_at_index( | |
4095 | struct bt_ctf_field_type *field_type, int index) | |
4096 | { | |
4097 | struct bt_ctf_field_type *field = NULL; | |
4098 | enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type); | |
4099 | ||
4100 | switch (type_id) { | |
4101 | case CTF_TYPE_STRUCT: | |
4102 | bt_ctf_field_type_structure_get_field(field_type, NULL, &field, | |
4103 | index); | |
4104 | break; | |
4105 | case CTF_TYPE_VARIANT: | |
4106 | { | |
4107 | int ret = bt_ctf_field_type_variant_get_field(field_type, NULL, | |
4108 | &field, index); | |
4109 | if (ret) { | |
4110 | field = NULL; | |
4111 | goto end; | |
4112 | } | |
4113 | break; | |
4114 | } | |
4115 | case CTF_TYPE_ARRAY: | |
4116 | field = bt_ctf_field_type_array_get_element_type(field_type); | |
4117 | break; | |
4118 | case CTF_TYPE_SEQUENCE: | |
4119 | field = bt_ctf_field_type_sequence_get_element_type(field_type); | |
4120 | break; | |
4121 | default: | |
4122 | break; | |
4123 | } | |
4124 | end: | |
4125 | return field; | |
4126 | } | |
4127 | ||
4128 | BT_HIDDEN | |
4129 | int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type *field_type, | |
4130 | const char *name) | |
4131 | { | |
4132 | int field_index = -1; | |
4133 | enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type); | |
4134 | ||
4135 | switch (type_id) { | |
4136 | case CTF_TYPE_STRUCT: | |
4137 | field_index = bt_ctf_field_type_structure_get_field_name_index( | |
4138 | field_type, name); | |
4139 | break; | |
4140 | case CTF_TYPE_VARIANT: | |
4141 | field_index = bt_ctf_field_type_variant_get_field_name_index( | |
4142 | field_type, name); | |
4143 | break; | |
4144 | default: | |
4145 | break; | |
4146 | } | |
4147 | ||
4148 | return field_index; | |
4149 | } | |
4150 | ||
5ad19bf0 | 4151 | BT_HIDDEN |
1c822dfb JG |
4152 | struct bt_ctf_field_path *bt_ctf_field_type_variant_get_tag_field_path( |
4153 | struct bt_ctf_field_type *type) | |
4154 | { | |
4155 | struct bt_ctf_field_path *field_path = NULL; | |
4156 | struct bt_ctf_field_type_variant *variant; | |
4157 | ||
4158 | if (!type || !bt_ctf_field_type_is_variant(type)) { | |
4159 | goto end; | |
4160 | } | |
4161 | ||
4162 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
4163 | parent); | |
4164 | field_path = bt_get(variant->tag_field_path); | |
4165 | end: | |
4166 | return field_path; | |
4167 | } | |
4168 | ||
5ad19bf0 | 4169 | BT_HIDDEN |
1c822dfb JG |
4170 | struct bt_ctf_field_path *bt_ctf_field_type_sequence_get_length_field_path( |
4171 | struct bt_ctf_field_type *type) | |
4172 | { | |
4173 | struct bt_ctf_field_path *field_path = NULL; | |
4174 | struct bt_ctf_field_type_sequence *sequence; | |
4175 | ||
4176 | if (!type || !bt_ctf_field_type_is_sequence(type)) { | |
4177 | goto end; | |
4178 | } | |
4179 | ||
4180 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
4181 | parent); | |
4182 | field_path = bt_get(sequence->length_field_path); | |
4183 | end: | |
4184 | return field_path; | |
4185 | } |