formats/ctf/ir/event-types.c

   1 /*
   2  * event-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-writer/event-types.h>
  30 #include <babeltrace/ctf-ir/event-types-internal.h>
  31 #include <babeltrace/ctf-ir/utils.h>
  32 #include <babeltrace/ctf-ir/clock.h>
  33 #include <babeltrace/ctf-writer/writer-internal.h>
  34 #include <babeltrace/compiler.h>
  35 #include <babeltrace/endian.h>
  36 #include <float.h>
  37 #include <inttypes.h>
  38 #include <stdlib.h>
  39
  40 struct range_overlap_query {
  41         union {
  42                 uint64_t _unsigned;
  43                 int64_t _signed;
  44         } range_start;
  45
  46         union {
  47                 uint64_t _unsigned;
  48                 int64_t _signed;
  49         } range_end;
  50         int overlaps;
  51         GQuark mapping_name;
  52 };
  53
  54 static
  55 void bt_ctf_field_type_destroy(struct bt_ctf_ref *);
  56 static
  57 void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *);
  58 static
  59 void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *);
  60 static
  61 void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *);
  62 static
  63 void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *);
  64 static
  65 void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *);
  66 static
  67 void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *);
  68 static
  69 void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *);
  70 static
  71 void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *);
  72
  73 static
  74 void (* const type_destroy_funcs[])(struct bt_ctf_ref *) = {
  75         [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_destroy,
  76         [CTF_TYPE_ENUM] =
  77                 bt_ctf_field_type_enumeration_destroy,
  78         [CTF_TYPE_FLOAT] =
  79                 bt_ctf_field_type_floating_point_destroy,
  80         [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_destroy,
  81         [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_destroy,
  82         [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_destroy,
  83         [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_destroy,
  84         [CTF_TYPE_STRING] = bt_ctf_field_type_string_destroy,
  85 };
  86
  87 static
  88 void generic_field_type_freeze(struct bt_ctf_field_type *);
  89 static
  90 void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *);
  91 static
  92 void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *);
  93 static
  94 void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *);
  95 static
  96 void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *);
  97 static
  98 void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *);
  99
 100 static
 101 type_freeze_func const type_freeze_funcs[] = {
 102         [CTF_TYPE_INTEGER] = generic_field_type_freeze,
 103         [CTF_TYPE_ENUM] = bt_ctf_field_type_enumeration_freeze,
 104         [CTF_TYPE_FLOAT] = generic_field_type_freeze,
 105         [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_freeze,
 106         [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_freeze,
 107         [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_freeze,
 108         [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_freeze,
 109         [CTF_TYPE_STRING] = generic_field_type_freeze,
 110 };
 111
 112 static
 113 int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *,
 114                 struct metadata_context *);
 115 static
 116 int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *,
 117                 struct metadata_context *);
 118 static
 119 int bt_ctf_field_type_floating_point_serialize(
 120                 struct bt_ctf_field_type *, struct metadata_context *);
 121 static
 122 int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *,
 123                 struct metadata_context *);
 124 static
 125 int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *,
 126                 struct metadata_context *);
 127 static
 128 int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *,
 129                 struct metadata_context *);
 130 static
 131 int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *,
 132                 struct metadata_context *);
 133 static
 134 int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *,
 135                 struct metadata_context *);
 136
 137 static
 138 type_serialize_func const type_serialize_funcs[] = {
 139         [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_serialize,
 140         [CTF_TYPE_ENUM] =
 141                 bt_ctf_field_type_enumeration_serialize,
 142         [CTF_TYPE_FLOAT] =
 143                 bt_ctf_field_type_floating_point_serialize,
 144         [CTF_TYPE_STRUCT] =
 145                 bt_ctf_field_type_structure_serialize,
 146         [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_serialize,
 147         [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_serialize,
 148         [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_serialize,
 149         [CTF_TYPE_STRING] = bt_ctf_field_type_string_serialize,
 150 };
 151
 152 static
 153 void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *,
 154                 int byte_order, int set_native);
 155 static
 156 void bt_ctf_field_type_enumeration_set_byte_order(struct bt_ctf_field_type *,
 157                 int byte_order, int set_native);
 158 static
 159 void bt_ctf_field_type_floating_point_set_byte_order(
 160                 struct bt_ctf_field_type *, int byte_order, int set_native);
 161 static
 162 void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *,
 163                 int byte_order, int set_native);
 164 static
 165 void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *,
 166                 int byte_order, int set_native);
 167 static
 168 void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *,
 169                 int byte_order, int set_native);
 170 static
 171 void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *,
 172                 int byte_order, int set_native);
 173
 174 /* The set_native flag only set the byte order if it is set to native */
 175 static
 176 void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *,
 177                 int byte_order, int set_native) = {
 178         [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_set_byte_order,
 179         [CTF_TYPE_ENUM] =
 180                 bt_ctf_field_type_enumeration_set_byte_order,
 181         [CTF_TYPE_FLOAT] =
 182                 bt_ctf_field_type_floating_point_set_byte_order,
 183         [CTF_TYPE_STRUCT] =
 184                 bt_ctf_field_type_structure_set_byte_order,
 185         [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_set_byte_order,
 186         [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_set_byte_order,
 187         [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_set_byte_order,
 188         [CTF_TYPE_STRING] = NULL,
 189 };
 190
 191 static
 192 struct bt_ctf_field_type *bt_ctf_field_type_integer_copy(
 193                 struct bt_ctf_field_type *);
 194 static
 195 struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy(
 196                 struct bt_ctf_field_type *);
 197 static
 198 struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy(
 199                 struct bt_ctf_field_type *);
 200 static
 201 struct bt_ctf_field_type *bt_ctf_field_type_structure_copy(
 202                 struct bt_ctf_field_type *);
 203 static
 204 struct bt_ctf_field_type *bt_ctf_field_type_variant_copy(
 205                 struct bt_ctf_field_type *);
 206 static
 207 struct bt_ctf_field_type *bt_ctf_field_type_array_copy(
 208                 struct bt_ctf_field_type *);
 209 static
 210 struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy(
 211                 struct bt_ctf_field_type *);
 212 static
 213 struct bt_ctf_field_type *bt_ctf_field_type_string_copy(
 214                 struct bt_ctf_field_type *);
 215
 216 static
 217 struct bt_ctf_field_type *(* const type_copy_funcs[])(
 218                 struct bt_ctf_field_type *) = {
 219         [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_copy,
 220         [CTF_TYPE_ENUM] = bt_ctf_field_type_enumeration_copy,
 221         [CTF_TYPE_FLOAT] = bt_ctf_field_type_floating_point_copy,
 222         [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_copy,
 223         [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_copy,
 224         [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_copy,
 225         [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_copy,
 226         [CTF_TYPE_STRING] = bt_ctf_field_type_string_copy,
 227 };
 228
 229 static
 230 void destroy_enumeration_mapping(struct enumeration_mapping *mapping)
 231 {
 232         g_free(mapping);
 233 }
 234
 235 static
 236 void destroy_structure_field(struct structure_field *field)
 237 {
 238         if (field->type) {
 239                 bt_ctf_field_type_put(field->type);
 240         }
 241
 242         g_free(field);
 243 }
 244
 245 static
 246 void check_ranges_overlap(gpointer element, gpointer query)
 247 {
 248         struct enumeration_mapping *mapping = element;
 249         struct range_overlap_query *overlap_query = query;
 250
 251         if (mapping->range_start._signed <= overlap_query->range_end._signed
 252                 && overlap_query->range_start._signed <=
 253                 mapping->range_end._signed) {
 254                 overlap_query->overlaps = 1;
 255                 overlap_query->mapping_name = mapping->string;
 256         }
 257
 258         overlap_query->overlaps |=
 259                 mapping->string == overlap_query->mapping_name;
 260 }
 261
 262 static
 263 void check_ranges_overlap_unsigned(gpointer element, gpointer query)
 264 {
 265         struct enumeration_mapping *mapping = element;
 266         struct range_overlap_query *overlap_query = query;
 267
 268         if (mapping->range_start._unsigned <= overlap_query->range_end._unsigned
 269                 && overlap_query->range_start._unsigned <=
 270                 mapping->range_end._unsigned) {
 271                 overlap_query->overlaps = 1;
 272                 overlap_query->mapping_name = mapping->string;
 273         }
 274
 275         overlap_query->overlaps |=
 276                 mapping->string == overlap_query->mapping_name;
 277 }
 278
 279 static
 280 gint compare_enumeration_mappings_signed(struct enumeration_mapping **a,
 281                 struct enumeration_mapping **b)
 282 {
 283         return ((*a)->range_start._signed < (*b)->range_start._signed) ? -1 : 1;
 284 }
 285
 286 static
 287 gint compare_enumeration_mappings_unsigned(struct enumeration_mapping **a,
 288                 struct enumeration_mapping **b)
 289 {
 290         return ((*a)->range_start._unsigned < (*b)->range_start._unsigned) ? -1 : 1;
 291 }
 292
 293 static
 294 void bt_ctf_field_type_init(struct bt_ctf_field_type *type)
 295 {
 296         enum ctf_type_id type_id = type->declaration->id;
 297         int ret;
 298
 299         assert(type && (type_id > CTF_TYPE_UNKNOWN) &&
 300                 (type_id < NR_CTF_TYPES));
 301
 302         bt_ctf_ref_init(&type->ref_count);
 303         type->freeze = type_freeze_funcs[type_id];
 304         type->serialize = type_serialize_funcs[type_id];
 305         ret = bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_NATIVE);
 306         assert(!ret);
 307         type->declaration->alignment = 1;
 308 }
 309
 310 static
 311 int add_structure_field(GPtrArray *fields,
 312                 GHashTable *field_name_to_index,
 313                 struct bt_ctf_field_type *field_type,
 314                 const char *field_name)
 315 {
 316         int ret = 0;
 317         GQuark name_quark = g_quark_from_string(field_name);
 318         struct structure_field *field;
 319
 320         /* Make sure structure does not contain a field of the same name */
 321         if (g_hash_table_lookup_extended(field_name_to_index,
 322                 GUINT_TO_POINTER(name_quark), NULL, NULL)) {
 323                 ret = -1;
 324                 goto end;
 325         }
 326
 327         field = g_new0(struct structure_field, 1);
 328         if (!field) {
 329                 ret = -1;
 330                 goto end;
 331         }
 332
 333         bt_ctf_field_type_get(field_type);
 334         field->name = name_quark;
 335         field->type = field_type;
 336         g_hash_table_insert(field_name_to_index,
 337                 (gpointer) (unsigned long) name_quark,
 338                 (gpointer) (unsigned long) fields->len);
 339         g_ptr_array_add(fields, field);
 340 end:
 341         return ret;
 342 }
 343
 344 static
 345 void bt_ctf_field_type_destroy(struct bt_ctf_ref *ref)
 346 {
 347         struct bt_ctf_field_type *type;
 348         enum ctf_type_id type_id;
 349
 350         if (!ref) {
 351                 return;
 352         }
 353
 354         type = container_of(ref, struct bt_ctf_field_type, ref_count);
 355         type_id = type->declaration->id;
 356         if (type_id <= CTF_TYPE_UNKNOWN ||
 357                 type_id >= NR_CTF_TYPES) {
 358                 return;
 359         }
 360
 361         type_destroy_funcs[type_id](ref);
 362 }
 363
 364 BT_HIDDEN
 365 int bt_ctf_field_type_validate(struct bt_ctf_field_type *type)
 366 {
 367         int ret = 0;
 368
 369         if (!type) {
 370                 ret = -1;
 371                 goto end;
 372         }
 373
 374         switch (type->declaration->id) {
 375         case CTF_TYPE_ENUM:
 376         {
 377                 struct bt_ctf_field_type_enumeration *enumeration =
 378                         container_of(type, struct bt_ctf_field_type_enumeration,
 379                         parent);
 380
 381                 /* Ensure enum has entries */
 382                 ret = enumeration->entries->len ? 0 : -1;
 383                 break;
 384         }
 385         case CTF_TYPE_SEQUENCE:
 386         {
 387                 struct bt_ctf_field_type_sequence *sequence =
 388                         container_of(type, struct bt_ctf_field_type_sequence,
 389                         parent);
 390
 391                 /* length field name should be set at this point */
 392                 ret = sequence->length_field_name->len ? 0 : -1;
 393                 break;
 394         }
 395         case CTF_TYPE_VARIANT:
 396         {
 397                 struct bt_ctf_field_type_variant *variant =
 398                         container_of(type, struct bt_ctf_field_type_variant,
 399                                 parent);
 400
 401                 if (variant->tag_name->len == 0 || !variant->tag) {
 402                         ret = -1;
 403                 }
 404                 break;
 405         }
 406         default:
 407                 break;
 408         }
 409 end:
 410         return ret;
 411 }
 412
 413 struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size)
 414 {
 415         struct bt_ctf_field_type_integer *integer =
 416                 g_new0(struct bt_ctf_field_type_integer, 1);
 417
 418         if (!integer || size == 0 || size > 64) {
 419                 return NULL;
 420         }
 421
 422         integer->parent.declaration = &integer->declaration.p;
 423         integer->parent.declaration->id = CTF_TYPE_INTEGER;
 424         integer->declaration.len = size;
 425         integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL;
 426         integer->declaration.encoding = CTF_STRING_NONE;
 427         bt_ctf_field_type_init(&integer->parent);
 428         return &integer->parent;
 429 }
 430
 431 int bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *type)
 432 {
 433         int ret = 0;
 434         struct bt_ctf_field_type_integer *integer;
 435
 436         if (!type || type->declaration->id != CTF_TYPE_INTEGER) {
 437                 ret = -1;
 438                 goto end;
 439         }
 440
 441         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 442         ret = (int) integer->declaration.len;
 443 end:
 444         return ret;
 445 }
 446
 447 int bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *type)
 448 {
 449         int ret = 0;
 450         struct bt_ctf_field_type_integer *integer;
 451
 452         if (!type || type->declaration->id != CTF_TYPE_INTEGER) {
 453                 ret = -1;
 454                 goto end;
 455         }
 456
 457         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 458         ret = integer->declaration.signedness;
 459 end:
 460         return ret;
 461 }
 462
 463 int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type,
 464                 int is_signed)
 465 {
 466         int ret = 0;
 467         struct bt_ctf_field_type_integer *integer;
 468
 469         if (!type || type->frozen ||
 470                 type->declaration->id != CTF_TYPE_INTEGER) {
 471                 ret = -1;
 472                 goto end;
 473         }
 474
 475         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 476         integer->declaration.signedness = !!is_signed;
 477 end:
 478         return ret;
 479 }
 480
 481 enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base(
 482                 struct bt_ctf_field_type *type)
 483 {
 484         enum bt_ctf_integer_base ret = BT_CTF_INTEGER_BASE_UNKNOWN;
 485         struct bt_ctf_field_type_integer *integer;
 486
 487         if (!type || type->declaration->id != CTF_TYPE_INTEGER) {
 488                 goto end;
 489         }
 490
 491         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 492         ret = integer->declaration.base;
 493 end:
 494         return ret;
 495 }
 496
 497 int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type,
 498                 enum bt_ctf_integer_base base)
 499 {
 500         int ret = 0;
 501
 502         if (!type || type->frozen ||
 503                 type->declaration->id != CTF_TYPE_INTEGER) {
 504                 ret = -1;
 505                 goto end;
 506         }
 507
 508         switch (base) {
 509         case BT_CTF_INTEGER_BASE_BINARY:
 510         case BT_CTF_INTEGER_BASE_OCTAL:
 511         case BT_CTF_INTEGER_BASE_DECIMAL:
 512         case BT_CTF_INTEGER_BASE_HEXADECIMAL:
 513         {
 514                 struct bt_ctf_field_type_integer *integer = container_of(type,
 515                         struct bt_ctf_field_type_integer, parent);
 516                 integer->declaration.base = base;
 517                 break;
 518         }
 519         default:
 520                 ret = -1;
 521         }
 522 end:
 523         return ret;
 524 }
 525
 526 enum ctf_string_encoding bt_ctf_field_type_integer_get_encoding(
 527                 struct bt_ctf_field_type *type)
 528 {
 529         enum ctf_string_encoding ret = CTF_STRING_UNKNOWN;
 530         struct bt_ctf_field_type_integer *integer;
 531
 532         if (!type || type->declaration->id != CTF_TYPE_INTEGER) {
 533                 goto end;
 534         }
 535
 536         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 537         ret = integer->declaration.encoding;
 538 end:
 539         return ret;
 540 }
 541
 542 int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type,
 543                 enum ctf_string_encoding encoding)
 544 {
 545         int ret = 0;
 546         struct bt_ctf_field_type_integer *integer;
 547
 548         if (!type || type->frozen ||
 549                 (type->declaration->id != CTF_TYPE_INTEGER) ||
 550                 (encoding < CTF_STRING_NONE) ||
 551                 (encoding >= CTF_STRING_UNKNOWN)) {
 552                 ret = -1;
 553                 goto end;
 554         }
 555
 556         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 557         integer->declaration.encoding = encoding;
 558 end:
 559         return ret;
 560 }
 561
 562 struct bt_ctf_clock *bt_ctf_field_type_integer_get_mapped_clock(
 563                 struct bt_ctf_field_type *type)
 564 {
 565         struct bt_ctf_field_type_integer *integer;
 566         struct bt_ctf_clock *clock = NULL;
 567
 568         if (!type) {
 569                 goto end;
 570         }
 571
 572         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 573         clock = integer->mapped_clock;
 574         if (clock) {
 575                 bt_ctf_clock_get(clock);
 576         }
 577 end:
 578         return clock;
 579 }
 580
 581 int bt_ctf_field_type_integer_set_mapped_clock(
 582                 struct bt_ctf_field_type *type,
 583                 struct bt_ctf_clock *clock)
 584 {
 585         struct bt_ctf_field_type_integer *integer;
 586         int ret = 0;
 587
 588         if (!type || type->frozen) {
 589                 ret = -1;
 590                 goto end;
 591         }
 592
 593         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
 594         if (integer->mapped_clock) {
 595                 bt_ctf_clock_put(integer->mapped_clock);
 596         }
 597
 598         if (clock) {
 599                 bt_ctf_clock_get(clock);
 600         }
 601
 602         integer->mapped_clock = clock;
 603 end:
 604         return ret;
 605 }
 606
 607 struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create(
 608                 struct bt_ctf_field_type *integer_container_type)
 609 {
 610         struct bt_ctf_field_type_enumeration *enumeration = NULL;
 611
 612         if (!integer_container_type) {
 613                 goto error;
 614         }
 615
 616         if (integer_container_type->declaration->id != CTF_TYPE_INTEGER) {
 617                 goto error;
 618         }
 619
 620         enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1);
 621         if (!enumeration) {
 622                 goto error;
 623         }
 624
 625         enumeration->parent.declaration = &enumeration->declaration.p;
 626         enumeration->parent.declaration->id = CTF_TYPE_ENUM;
 627         bt_ctf_field_type_get(integer_container_type);
 628         enumeration->container = integer_container_type;
 629         enumeration->entries = g_ptr_array_new_with_free_func(
 630                 (GDestroyNotify)destroy_enumeration_mapping);
 631         bt_ctf_field_type_init(&enumeration->parent);
 632         return &enumeration->parent;
 633 error:
 634         g_free(enumeration);
 635         return NULL;
 636 }
 637
 638 struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type(
 639                 struct bt_ctf_field_type *type)
 640 {
 641         struct bt_ctf_field_type *container_type = NULL;
 642         struct bt_ctf_field_type_enumeration *enumeration_type;
 643
 644         if (!type) {
 645                 goto end;
 646         }
 647
 648         if (type->declaration->id != CTF_TYPE_ENUM) {
 649                 goto end;
 650         }
 651
 652         enumeration_type = container_of(type,
 653                 struct bt_ctf_field_type_enumeration, parent);
 654         container_type = enumeration_type->container;
 655         bt_ctf_field_type_get(container_type);
 656 end:
 657         return container_type;
 658 }
 659
 660 int bt_ctf_field_type_enumeration_add_mapping(
 661                 struct bt_ctf_field_type *type, const char *string,
 662                 int64_t range_start, int64_t range_end)
 663 {
 664         int ret = 0;
 665         GQuark mapping_name;
 666         struct enumeration_mapping *mapping;
 667         struct bt_ctf_field_type_enumeration *enumeration;
 668         struct range_overlap_query query;
 669         char *escaped_string;
 670
 671         if (!type || (type->declaration->id != CTF_TYPE_ENUM) ||
 672                 type->frozen ||
 673                 (range_end < range_start)) {
 674                 ret = -1;
 675                 goto end;
 676         }
 677
 678         if (!string || strlen(string) == 0) {
 679                 ret = -1;
 680                 goto end;
 681         }
 682
 683         escaped_string = g_strescape(string, NULL);
 684         if (!escaped_string) {
 685                 ret = -1;
 686                 goto end;
 687         }
 688
 689         mapping_name = g_quark_from_string(escaped_string);
 690         query = (struct range_overlap_query) {
 691                 .range_start._signed = range_start,
 692                 .range_end._signed = range_end,
 693                 .mapping_name = mapping_name,
 694                 .overlaps = 0 };
 695         enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
 696                 parent);
 697
 698         /* Check that the range does not overlap with one already present */
 699         g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query);
 700         if (query.overlaps) {
 701                 ret = -1;
 702                 goto error_free;
 703         }
 704
 705         mapping = g_new(struct enumeration_mapping, 1);
 706         if (!mapping) {
 707                 ret = -1;
 708                 goto error_free;
 709         }
 710
 711         *mapping = (struct enumeration_mapping) {
 712                 .range_start._signed = range_start,
 713                 .range_end._signed = range_end, .string = mapping_name};
 714         g_ptr_array_add(enumeration->entries, mapping);
 715         g_ptr_array_sort(enumeration->entries,
 716                 (GCompareFunc)compare_enumeration_mappings_signed);
 717 error_free:
 718         free(escaped_string);
 719 end:
 720         return ret;
 721 }
 722
 723 int bt_ctf_field_type_enumeration_add_mapping_unsigned(
 724                 struct bt_ctf_field_type *type, const char *string,
 725                 uint64_t range_start, uint64_t range_end)
 726 {
 727         int ret = 0;
 728         GQuark mapping_name;
 729         struct enumeration_mapping *mapping;
 730         struct bt_ctf_field_type_enumeration *enumeration;
 731         struct range_overlap_query query;
 732         char *escaped_string;
 733
 734         if (!type || (type->declaration->id != CTF_TYPE_ENUM) ||
 735                 type->frozen ||
 736                 (range_end < range_start)) {
 737                 ret = -1;
 738                 goto end;
 739         }
 740
 741         if (!string || strlen(string) == 0) {
 742                 ret = -1;
 743                 goto end;
 744         }
 745
 746         escaped_string = g_strescape(string, NULL);
 747         if (!escaped_string) {
 748                 ret = -1;
 749                 goto end;
 750         }
 751
 752         mapping_name = g_quark_from_string(escaped_string);
 753         query = (struct range_overlap_query) {
 754                 .range_start._unsigned = range_start,
 755                 .range_end._unsigned = range_end,
 756                 .mapping_name = mapping_name,
 757                 .overlaps = 0 };
 758         enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
 759                 parent);
 760
 761         /* Check that the range does not overlap with one already present */
 762         g_ptr_array_foreach(enumeration->entries, check_ranges_overlap_unsigned,
 763                 &query);
 764         if (query.overlaps) {
 765                 ret = -1;
 766                 goto error_free;
 767         }
 768
 769         mapping = g_new(struct enumeration_mapping, 1);
 770         if (!mapping) {
 771                 ret = -1;
 772                 goto error_free;
 773         }
 774
 775         *mapping = (struct enumeration_mapping) {
 776                 .range_start._unsigned = range_start,
 777                 .range_end._unsigned = range_end, .string = mapping_name};
 778         g_ptr_array_add(enumeration->entries, mapping);
 779         g_ptr_array_sort(enumeration->entries,
 780                 (GCompareFunc)compare_enumeration_mappings_unsigned);
 781 error_free:
 782         free(escaped_string);
 783 end:
 784         return ret;
 785 }
 786
 787 const char *bt_ctf_field_type_enumeration_get_mapping_name_unsigned(
 788                 struct bt_ctf_field_type_enumeration *enumeration_type,
 789                 uint64_t value)
 790 {
 791         const char *name = NULL;
 792         struct range_overlap_query query =
 793                 (struct range_overlap_query) {
 794                 .range_start._unsigned = value,
 795                 .range_end._unsigned = value,
 796                 .overlaps = 0 };
 797
 798         g_ptr_array_foreach(enumeration_type->entries,
 799                 check_ranges_overlap_unsigned,
 800                 &query);
 801         if (!query.overlaps) {
 802                 goto end;
 803         }
 804
 805         name = g_quark_to_string(query.mapping_name);
 806 end:
 807         return name;
 808 }
 809
 810 const char *bt_ctf_field_type_enumeration_get_mapping_name_signed(
 811                 struct bt_ctf_field_type_enumeration *enumeration_type,
 812                 int64_t value)
 813 {
 814         const char *name = NULL;
 815         struct range_overlap_query query =
 816                 (struct range_overlap_query) {
 817                 .range_start._signed = value,
 818                 .range_end._signed = value,
 819                 .overlaps = 0 };
 820
 821         g_ptr_array_foreach(enumeration_type->entries, check_ranges_overlap,
 822                 &query);
 823         if (!query.overlaps) {
 824                 goto end;
 825         }
 826
 827         name = g_quark_to_string(query.mapping_name);
 828 end:
 829         return name;
 830 }
 831
 832 int bt_ctf_field_type_enumeration_get_mapping_count(
 833                 struct bt_ctf_field_type *type)
 834 {
 835         int ret = 0;
 836         struct bt_ctf_field_type_enumeration *enumeration;
 837
 838         if (!type || (type->declaration->id != CTF_TYPE_ENUM)) {
 839                 ret = -1;
 840                 goto end;
 841         }
 842
 843         enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
 844                 parent);
 845         ret = (int) enumeration->entries->len;
 846 end:
 847         return ret;
 848 }
 849
 850 static inline
 851 struct enumeration_mapping *get_enumeration_mapping(
 852         struct bt_ctf_field_type *type, int index)
 853 {
 854         struct enumeration_mapping *mapping = NULL;
 855         struct bt_ctf_field_type_enumeration *enumeration;
 856
 857         enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
 858                 parent);
 859         if (index >= enumeration->entries->len) {
 860                 goto end;
 861         }
 862
 863         mapping = g_ptr_array_index(enumeration->entries, index);
 864 end:
 865         return mapping;
 866 }
 867
 868 int bt_ctf_field_type_enumeration_get_mapping(
 869                 struct bt_ctf_field_type *type, int index,
 870                 const char **string, int64_t *range_start, int64_t *range_end)
 871 {
 872         struct enumeration_mapping *mapping;
 873         int ret = 0;
 874
 875         if (!type || index < 0 || !string || !range_start || !range_end ||
 876                 (type->declaration->id != CTF_TYPE_ENUM)) {
 877                 ret = -1;
 878                 goto end;
 879         }
 880
 881         mapping = get_enumeration_mapping(type, index);
 882         if (!mapping) {
 883                 ret = -1;
 884                 goto end;
 885         }
 886
 887         *string = g_quark_to_string(mapping->string);
 888         *range_start = mapping->range_start._signed;
 889         *range_end = mapping->range_end._signed;
 890 end:
 891         return ret;
 892 }
 893
 894 int bt_ctf_field_type_enumeration_get_mapping_unsigned(
 895                 struct bt_ctf_field_type *type, int index,
 896                 const char **string, uint64_t *range_start, uint64_t *range_end)
 897 {
 898         struct enumeration_mapping *mapping;
 899         int ret = 0;
 900
 901         if (!type || index < 0 || !string || !range_start || !range_end ||
 902                 (type->declaration->id != CTF_TYPE_ENUM)) {
 903                 ret = -1;
 904                 goto end;
 905         }
 906
 907         mapping = get_enumeration_mapping(type, index);
 908         if (!mapping) {
 909                 ret = -1;
 910                 goto end;
 911         }
 912
 913         *string = g_quark_to_string(mapping->string);
 914         *range_start = mapping->range_start._unsigned;
 915         *range_end = mapping->range_end._unsigned;
 916 end:
 917         return ret;
 918 }
 919
 920 int bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 921                 struct bt_ctf_field_type *type, const char *name)
 922 {
 923         GQuark name_quark;
 924         struct bt_ctf_field_type_enumeration *enumeration;
 925         int i, ret = 0;
 926
 927         if (!type || !name ||
 928                 (type->declaration->id != CTF_TYPE_ENUM)) {
 929                 ret = -1;
 930                 goto end;
 931         }
 932
 933         name_quark = g_quark_try_string(name);
 934         if (!name_quark) {
 935                 ret = -1;
 936                 goto end;
 937         }
 938
 939         enumeration = container_of(type,
 940                 struct bt_ctf_field_type_enumeration, parent);
 941         for (i = 0; i < enumeration->entries->len; i++) {
 942                 struct enumeration_mapping *mapping =
 943                         get_enumeration_mapping(type, i);
 944
 945                 if (mapping->string == name_quark) {
 946                         ret = i;
 947                         goto end;
 948                 }
 949         }
 950
 951         ret = -1;
 952 end:
 953         return ret;
 954 }
 955
 956 int bt_ctf_field_type_enumeration_get_mapping_index_by_value(
 957                 struct bt_ctf_field_type *type, int64_t value)
 958 {
 959         struct bt_ctf_field_type_enumeration *enumeration;
 960         int i, ret = 0;
 961
 962         if (!type || (type->declaration->id != CTF_TYPE_ENUM)) {
 963                 ret = -1;
 964                 goto end;
 965         }
 966
 967         enumeration = container_of(type,
 968                 struct bt_ctf_field_type_enumeration, parent);
 969         for (i = 0; i < enumeration->entries->len; i++) {
 970                 struct enumeration_mapping *mapping =
 971                         get_enumeration_mapping(type, i);
 972
 973                 if (value >= mapping->range_start._signed &&
 974                         value <= mapping->range_end._signed) {
 975                         ret = i;
 976                         goto end;
 977                 }
 978         }
 979
 980         ret = -1;
 981 end:
 982         return ret;
 983 }
 984
 985 int bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(
 986                 struct bt_ctf_field_type *type, uint64_t value)
 987 {
 988         struct bt_ctf_field_type_enumeration *enumeration;
 989         int i, ret = 0;
 990
 991         if (!type || (type->declaration->id != CTF_TYPE_ENUM)) {
 992                 ret = -1;
 993                 goto end;
 994         }
 995
 996         enumeration = container_of(type,
 997                 struct bt_ctf_field_type_enumeration, parent);
 998         for (i = 0; i < enumeration->entries->len; i++) {
 999                 struct enumeration_mapping *mapping =
1000                         get_enumeration_mapping(type, i);
1001
1002                 if (value >= mapping->range_start._unsigned &&
1003                         value <= mapping->range_end._unsigned) {
1004                         ret = i;
1005                         goto end;
1006                 }
1007         }
1008
1009         ret = -1;
1010 end:
1011         return ret;
1012 }
1013
1014 struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void)
1015 {
1016         struct bt_ctf_field_type_floating_point *floating_point =
1017                 g_new0(struct bt_ctf_field_type_floating_point, 1);
1018
1019         if (!floating_point) {
1020                 goto end;
1021         }
1022
1023         floating_point->declaration.sign = &floating_point->sign;
1024         floating_point->declaration.mantissa = &floating_point->mantissa;
1025         floating_point->declaration.exp = &floating_point->exp;
1026         floating_point->sign.len = 1;
1027         floating_point->parent.declaration = &floating_point->declaration.p;
1028         floating_point->parent.declaration->id = CTF_TYPE_FLOAT;
1029         floating_point->declaration.exp->len =
1030                 sizeof(float) * CHAR_BIT - FLT_MANT_DIG;
1031         floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1;
1032         floating_point->sign.p.alignment = 1;
1033         floating_point->mantissa.p.alignment = 1;
1034         floating_point->exp.p.alignment = 1;
1035
1036         bt_ctf_field_type_init(&floating_point->parent);
1037 end:
1038         return floating_point ? &floating_point->parent : NULL;
1039 }
1040
1041 int bt_ctf_field_type_floating_point_get_exponent_digits(
1042                 struct bt_ctf_field_type *type)
1043 {
1044         int ret = 0;
1045         struct bt_ctf_field_type_floating_point *floating_point;
1046
1047         if (!type || (type->declaration->id != CTF_TYPE_FLOAT)) {
1048                 ret = -1;
1049                 goto end;
1050         }
1051
1052         floating_point = container_of(type,
1053                 struct bt_ctf_field_type_floating_point, parent);
1054         ret = (int) floating_point->declaration.exp->len;
1055 end:
1056         return ret;
1057 }
1058
1059 int bt_ctf_field_type_floating_point_set_exponent_digits(
1060                 struct bt_ctf_field_type *type,
1061                 unsigned int exponent_digits)
1062 {
1063         int ret = 0;
1064         struct bt_ctf_field_type_floating_point *floating_point;
1065
1066         if (!type || type->frozen ||
1067                 (type->declaration->id != CTF_TYPE_FLOAT)) {
1068                 ret = -1;
1069                 goto end;
1070         }
1071
1072         floating_point = container_of(type,
1073                 struct bt_ctf_field_type_floating_point, parent);
1074         if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) &&
1075                 (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) &&
1076                 (exponent_digits !=
1077                         sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) {
1078                 ret = -1;
1079                 goto end;
1080         }
1081
1082         floating_point->declaration.exp->len = exponent_digits;
1083 end:
1084         return ret;
1085 }
1086
1087 int bt_ctf_field_type_floating_point_get_mantissa_digits(
1088                 struct bt_ctf_field_type *type)
1089 {
1090         int ret = 0;
1091         struct bt_ctf_field_type_floating_point *floating_point;
1092
1093         if (!type || (type->declaration->id != CTF_TYPE_FLOAT)) {
1094                 ret = -1;
1095                 goto end;
1096         }
1097
1098         floating_point = container_of(type,
1099                 struct bt_ctf_field_type_floating_point, parent);
1100         ret = (int) floating_point->mantissa.len + 1;
1101 end:
1102         return ret;
1103 }
1104
1105 int bt_ctf_field_type_floating_point_set_mantissa_digits(
1106                 struct bt_ctf_field_type *type,
1107                 unsigned int mantissa_digits)
1108 {
1109         int ret = 0;
1110         struct bt_ctf_field_type_floating_point *floating_point;
1111
1112         if (!type || type->frozen ||
1113                 (type->declaration->id != CTF_TYPE_FLOAT)) {
1114                 ret = -1;
1115                 goto end;
1116         }
1117
1118         floating_point = container_of(type,
1119                 struct bt_ctf_field_type_floating_point, parent);
1120
1121         if ((mantissa_digits != FLT_MANT_DIG) &&
1122                 (mantissa_digits != DBL_MANT_DIG) &&
1123                 (mantissa_digits != LDBL_MANT_DIG)) {
1124                 ret = -1;
1125                 goto end;
1126         }
1127
1128         floating_point->declaration.mantissa->len = mantissa_digits - 1;
1129 end:
1130         return ret;
1131 }
1132
1133 struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void)
1134 {
1135         struct bt_ctf_field_type_structure *structure =
1136                 g_new0(struct bt_ctf_field_type_structure, 1);
1137
1138         if (!structure) {
1139                 goto error;
1140         }
1141
1142         structure->parent.declaration = &structure->declaration.p;
1143         structure->parent.declaration->id = CTF_TYPE_STRUCT;
1144         structure->fields = g_ptr_array_new_with_free_func(
1145                 (GDestroyNotify)destroy_structure_field);
1146         structure->field_name_to_index = g_hash_table_new(NULL, NULL);
1147         bt_ctf_field_type_init(&structure->parent);
1148         return &structure->parent;
1149 error:
1150         return NULL;
1151 }
1152
1153 int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type,
1154                 struct bt_ctf_field_type *field_type,
1155                 const char *field_name)
1156 {
1157         int ret = 0;
1158         struct bt_ctf_field_type_structure *structure;
1159
1160         if (!type || !field_type || type->frozen ||
1161                 bt_ctf_validate_identifier(field_name) ||
1162                 (type->declaration->id != CTF_TYPE_STRUCT) ||
1163                 bt_ctf_field_type_validate(field_type)) {
1164                 ret = -1;
1165                 goto end;
1166         }
1167
1168         structure = container_of(type,
1169                 struct bt_ctf_field_type_structure, parent);
1170         if (add_structure_field(structure->fields,
1171                 structure->field_name_to_index, field_type, field_name)) {
1172                 ret = -1;
1173                 goto end;
1174         }
1175
1176         if (type->declaration->alignment < field_type->declaration->alignment) {
1177                 type->declaration->alignment =
1178                         field_type->declaration->alignment;
1179         }
1180 end:
1181         return ret;
1182 }
1183
1184 int bt_ctf_field_type_structure_get_field_count(
1185                 struct bt_ctf_field_type *type)
1186 {
1187         int ret = 0;
1188         struct bt_ctf_field_type_structure *structure;
1189
1190         if (!type || (type->declaration->id != CTF_TYPE_STRUCT)) {
1191                 ret = -1;
1192                 goto end;
1193         }
1194
1195         structure = container_of(type, struct bt_ctf_field_type_structure,
1196                 parent);
1197         ret = (int) structure->fields->len;
1198 end:
1199         return ret;
1200 }
1201
1202 int bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *type,
1203                 const char **field_name, struct bt_ctf_field_type **field_type,
1204                 int index)
1205 {
1206         struct bt_ctf_field_type_structure *structure;
1207         struct structure_field *field;
1208         int ret = 0;
1209
1210         if (!type || index < 0 || (type->declaration->id != CTF_TYPE_STRUCT)) {
1211                 ret = -1;
1212                 goto end;
1213         }
1214
1215         structure = container_of(type, struct bt_ctf_field_type_structure,
1216                 parent);
1217         if (index >= structure->fields->len) {
1218                 ret = -1;
1219                 goto end;
1220         }
1221
1222         field = g_ptr_array_index(structure->fields, index);
1223         if (field_type) {
1224                 *field_type = field->type;
1225                 bt_ctf_field_type_get(field->type);
1226         }
1227         if (field_name) {
1228                 *field_name = g_quark_to_string(field->name);
1229         }
1230 end:
1231         return ret;
1232 }
1233
1234 struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name(
1235                 struct bt_ctf_field_type *type,
1236                 const char *name)
1237 {
1238         size_t index;
1239         GQuark name_quark;
1240         struct structure_field *field;
1241         struct bt_ctf_field_type_structure *structure;
1242         struct bt_ctf_field_type *field_type = NULL;
1243
1244         if (!type || !name) {
1245                 goto end;
1246         }
1247
1248         name_quark = g_quark_try_string(name);
1249         if (!name_quark) {
1250                 goto end;
1251         }
1252
1253         structure = container_of(type, struct bt_ctf_field_type_structure,
1254                 parent);
1255         if (!g_hash_table_lookup_extended(structure->field_name_to_index,
1256                 GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
1257                 goto end;
1258         }
1259
1260         field = structure->fields->pdata[index];
1261         field_type = field->type;
1262         bt_ctf_field_type_get(field_type);
1263 end:
1264         return field_type;
1265 }
1266
1267 struct bt_ctf_field_type *bt_ctf_field_type_variant_create(
1268         struct bt_ctf_field_type *enum_tag, const char *tag_name)
1269 {
1270         struct bt_ctf_field_type_variant *variant = NULL;
1271
1272         if (tag_name && bt_ctf_validate_identifier(tag_name)) {
1273                 goto error;
1274         }
1275
1276         variant = g_new0(struct bt_ctf_field_type_variant, 1);
1277         if (!variant) {
1278                 goto error;
1279         }
1280
1281         variant->parent.declaration = &variant->declaration.p;
1282         variant->parent.declaration->id = CTF_TYPE_VARIANT;
1283         variant->tag_name = g_string_new(tag_name);
1284         variant->field_name_to_index = g_hash_table_new(NULL, NULL);
1285         variant->fields = g_ptr_array_new_with_free_func(
1286                 (GDestroyNotify)destroy_structure_field);
1287         if (enum_tag) {
1288                 bt_ctf_field_type_get(enum_tag);
1289                 variant->tag = container_of(enum_tag,
1290                         struct bt_ctf_field_type_enumeration, parent);
1291         }
1292
1293         bt_ctf_field_type_init(&variant->parent);
1294         return &variant->parent;
1295 error:
1296         return NULL;
1297 }
1298
1299 struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type(
1300                 struct bt_ctf_field_type *type)
1301 {
1302         struct bt_ctf_field_type_variant *variant;
1303         struct bt_ctf_field_type *tag_type = NULL;
1304
1305         if (!type || (type->declaration->id != CTF_TYPE_VARIANT)) {
1306                 goto end;
1307         }
1308
1309         variant = container_of(type, struct bt_ctf_field_type_variant, parent);
1310         if (!variant->tag) {
1311                 goto end;
1312         }
1313
1314         tag_type = &variant->tag->parent;
1315         bt_ctf_field_type_get(tag_type);
1316 end:
1317         return tag_type;
1318 }
1319
1320 const char *bt_ctf_field_type_variant_get_tag_name(
1321                 struct bt_ctf_field_type *type)
1322 {
1323         struct bt_ctf_field_type_variant *variant;
1324         const char *tag_name = NULL;
1325
1326         if (!type || (type->declaration->id != CTF_TYPE_VARIANT)) {
1327                 goto end;
1328         }
1329
1330         variant = container_of(type, struct bt_ctf_field_type_variant, parent);
1331         if (variant->tag_name->len == 0) {
1332                 goto end;
1333         }
1334
1335         tag_name = variant->tag_name->str;
1336 end:
1337         return tag_name;
1338 }
1339
1340 int bt_ctf_field_type_variant_set_tag_name(
1341                 struct bt_ctf_field_type *type, const char *name)
1342 {
1343         int ret = 0;
1344         struct bt_ctf_field_type_variant *variant;
1345
1346         if (!type || type->frozen ||
1347                 (type->declaration->id != CTF_TYPE_VARIANT) ||
1348                 bt_ctf_validate_identifier(name)) {
1349                 ret = -1;
1350                 goto end;
1351         }
1352
1353         variant = container_of(type, struct bt_ctf_field_type_variant, parent);
1354         g_string_assign(variant->tag_name, name);
1355 end:
1356         return ret;
1357 }
1358
1359 int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type,
1360                 struct bt_ctf_field_type *field_type,
1361                 const char *field_name)
1362 {
1363         size_t i;
1364         int ret = 0;
1365         struct bt_ctf_field_type_variant *variant;
1366         GQuark field_name_quark = g_quark_from_string(field_name);
1367
1368         if (!type || !field_type || type->frozen ||
1369                 bt_ctf_validate_identifier(field_name) ||
1370                 (type->declaration->id != CTF_TYPE_VARIANT) ||
1371                 bt_ctf_field_type_validate(field_type)) {
1372                 ret = -1;
1373                 goto end;
1374         }
1375
1376         variant = container_of(type, struct bt_ctf_field_type_variant, parent);
1377
1378         /* The user has explicitly provided a tag; validate against it. */
1379         if (variant->tag) {
1380                 int name_found = 0;
1381
1382                 /* Make sure this name is present in the enum tag */
1383                 for (i = 0; i < variant->tag->entries->len; i++) {
1384                         struct enumeration_mapping *mapping =
1385                                 g_ptr_array_index(variant->tag->entries, i);
1386
1387                         if (mapping->string == field_name_quark) {
1388                                 name_found = 1;
1389                                 break;
1390                         }
1391                 }
1392
1393                 if (!name_found) {
1394                         /* Validation failed */
1395                         ret = -1;
1396                         goto end;
1397                 }
1398         }
1399
1400         if (add_structure_field(variant->fields, variant->field_name_to_index,
1401                 field_type, field_name)) {
1402                 ret = -1;
1403                 goto end;
1404         }
1405 end:
1406         return ret;
1407 }
1408
1409 struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name(
1410                 struct bt_ctf_field_type *type,
1411                 const char *field_name)
1412 {
1413         size_t index;
1414         GQuark name_quark;
1415         struct structure_field *field;
1416         struct bt_ctf_field_type_variant *variant;
1417         struct bt_ctf_field_type *field_type = NULL;
1418
1419         if (!type || !field_name) {
1420                 goto end;
1421         }
1422
1423         name_quark = g_quark_try_string(field_name);
1424         if (!name_quark) {
1425                 goto end;
1426         }
1427
1428         variant = container_of(type, struct bt_ctf_field_type_variant, parent);
1429         if (!g_hash_table_lookup_extended(variant->field_name_to_index,
1430                 GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
1431                 goto end;
1432         }
1433
1434         field = g_ptr_array_index(variant->fields, index);
1435         field_type = field->type;
1436         bt_ctf_field_type_get(field_type);
1437 end:
1438         return field_type;
1439 }
1440
1441 struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag(
1442                 struct bt_ctf_field_type *type,
1443                 struct bt_ctf_field *tag)
1444 {
1445         const char *enum_value;
1446         struct bt_ctf_field_type *field_type = NULL;
1447
1448         if (!type || !tag || type->declaration->id != CTF_TYPE_VARIANT) {
1449                 goto end;
1450         }
1451
1452         enum_value = bt_ctf_field_enumeration_get_mapping_name(tag);
1453         if (!enum_value) {
1454                 goto end;
1455         }
1456
1457         /* Already increments field_type's reference count */
1458         field_type = bt_ctf_field_type_variant_get_field_type_by_name(
1459                 type, enum_value);
1460 end:
1461         return field_type;
1462 }
1463
1464 int bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *type)
1465 {
1466         int ret = 0;
1467         struct bt_ctf_field_type_variant *variant;
1468
1469         if (!type || (type->declaration->id != CTF_TYPE_VARIANT)) {
1470                 ret = -1;
1471                 goto end;
1472         }
1473
1474         variant = container_of(type, struct bt_ctf_field_type_variant,
1475                 parent);
1476         ret = (int) variant->fields->len;
1477 end:
1478         return ret;
1479
1480 }
1481
1482 int bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *type,
1483                 const char **field_name, struct bt_ctf_field_type **field_type,
1484                 int index)
1485 {
1486         struct bt_ctf_field_type_variant *variant;
1487         struct structure_field *field;
1488         int ret = 0;
1489
1490         if (!type || index < 0 || !field_name || !field_type ||
1491                 (type->declaration->id != CTF_TYPE_VARIANT)) {
1492                 ret = -1;
1493                 goto end;
1494         }
1495
1496         variant = container_of(type, struct bt_ctf_field_type_variant,
1497                 parent);
1498         if (index >= variant->fields->len) {
1499                 ret = -1;
1500                 goto end;
1501         }
1502
1503         field = g_ptr_array_index(variant->fields, index);
1504         *field_type = field->type;
1505         bt_ctf_field_type_get(field->type);
1506         *field_name = g_quark_to_string(field->name);
1507 end:
1508         return ret;
1509 }
1510
1511 struct bt_ctf_field_type *bt_ctf_field_type_array_create(
1512                 struct bt_ctf_field_type *element_type,
1513                 unsigned int length)
1514 {
1515         struct bt_ctf_field_type_array *array = NULL;
1516
1517         if (!element_type || length == 0 ||
1518                 bt_ctf_field_type_validate(element_type)) {
1519                 goto error;
1520         }
1521
1522         array = g_new0(struct bt_ctf_field_type_array, 1);
1523         if (!array) {
1524                 goto error;
1525         }
1526
1527         array->parent.declaration = &array->declaration.p;
1528         array->parent.declaration->id = CTF_TYPE_ARRAY;
1529
1530         bt_ctf_field_type_get(element_type);
1531         array->element_type = element_type;
1532         array->length = length;
1533         bt_ctf_field_type_init(&array->parent);
1534         array->parent.declaration->alignment =
1535                 element_type->declaration->alignment;
1536         return &array->parent;
1537 error:
1538         return NULL;
1539 }
1540
1541 struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type(
1542                 struct bt_ctf_field_type *type)
1543 {
1544         struct bt_ctf_field_type *ret = NULL;
1545         struct bt_ctf_field_type_array *array;
1546
1547         if (!type || (type->declaration->id != CTF_TYPE_ARRAY)) {
1548                 goto end;
1549         }
1550
1551         array = container_of(type, struct bt_ctf_field_type_array, parent);
1552         ret = array->element_type;
1553         bt_ctf_field_type_get(ret);
1554 end:
1555         return ret;
1556 }
1557
1558 int64_t bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *type)
1559 {
1560         int64_t ret;
1561         struct bt_ctf_field_type_array *array;
1562
1563         if (!type || (type->declaration->id != CTF_TYPE_ARRAY)) {
1564                 ret = -1;
1565                 goto end;
1566         }
1567
1568         array = container_of(type, struct bt_ctf_field_type_array, parent);
1569         ret = (int64_t) array->length;
1570 end:
1571         return ret;
1572 }
1573
1574 struct bt_ctf_field_type *bt_ctf_field_type_sequence_create(
1575                 struct bt_ctf_field_type *element_type,
1576                 const char *length_field_name)
1577 {
1578         struct bt_ctf_field_type_sequence *sequence = NULL;
1579
1580         if (!element_type || bt_ctf_validate_identifier(length_field_name) ||
1581                 bt_ctf_field_type_validate(element_type)) {
1582                 goto error;
1583         }
1584
1585         sequence = g_new0(struct bt_ctf_field_type_sequence, 1);
1586         if (!sequence) {
1587                 goto error;
1588         }
1589
1590         sequence->parent.declaration = &sequence->declaration.p;
1591         sequence->parent.declaration->id = CTF_TYPE_SEQUENCE;
1592         bt_ctf_field_type_get(element_type);
1593         sequence->element_type = element_type;
1594         sequence->length_field_name = g_string_new(length_field_name);
1595         bt_ctf_field_type_init(&sequence->parent);
1596         sequence->parent.declaration->alignment =
1597                 element_type->declaration->alignment;
1598         return &sequence->parent;
1599 error:
1600         return NULL;
1601 }
1602
1603 struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type(
1604                 struct bt_ctf_field_type *type)
1605 {
1606         struct bt_ctf_field_type *ret = NULL;
1607         struct bt_ctf_field_type_sequence *sequence;
1608
1609         if (!type || (type->declaration->id != CTF_TYPE_SEQUENCE)) {
1610                 goto end;
1611         }
1612
1613         sequence = container_of(type, struct bt_ctf_field_type_sequence,
1614                 parent);
1615         ret = sequence->element_type;
1616         bt_ctf_field_type_get(ret);
1617 end:
1618         return ret;
1619 }
1620
1621 const char *bt_ctf_field_type_sequence_get_length_field_name(
1622                 struct bt_ctf_field_type *type)
1623 {
1624         const char *ret = NULL;
1625         struct bt_ctf_field_type_sequence *sequence;
1626
1627         if (!type || (type->declaration->id != CTF_TYPE_SEQUENCE)) {
1628                 goto end;
1629         }
1630
1631         sequence = container_of(type, struct bt_ctf_field_type_sequence,
1632                 parent);
1633         ret = sequence->length_field_name->str;
1634 end:
1635         return ret;
1636 }
1637
1638 struct bt_ctf_field_type *bt_ctf_field_type_string_create(void)
1639 {
1640         struct bt_ctf_field_type_string *string =
1641                 g_new0(struct bt_ctf_field_type_string, 1);
1642
1643         if (!string) {
1644                 return NULL;
1645         }
1646
1647         string->parent.declaration = &string->declaration.p;
1648         string->parent.declaration->id = CTF_TYPE_STRING;
1649         bt_ctf_field_type_init(&string->parent);
1650         string->declaration.encoding = CTF_STRING_UTF8;
1651         string->parent.declaration->alignment = CHAR_BIT;
1652         return &string->parent;
1653 }
1654
1655 enum ctf_string_encoding bt_ctf_field_type_string_get_encoding(
1656                 struct bt_ctf_field_type *type)
1657 {
1658         struct bt_ctf_field_type_string *string;
1659         enum ctf_string_encoding ret = CTF_STRING_UNKNOWN;
1660
1661         if (!type || (type->declaration->id != CTF_TYPE_STRING)) {
1662                 goto end;
1663         }
1664
1665         string = container_of(type, struct bt_ctf_field_type_string,
1666                 parent);
1667         ret = string->declaration.encoding;
1668 end:
1669         return ret;
1670 }
1671
1672 int bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *type,
1673                 enum ctf_string_encoding encoding)
1674 {
1675         int ret = 0;
1676         struct bt_ctf_field_type_string *string;
1677
1678         if (!type || type->declaration->id != CTF_TYPE_STRING ||
1679                 (encoding != CTF_STRING_UTF8 &&
1680                 encoding != CTF_STRING_ASCII)) {
1681                 ret = -1;
1682                 goto end;
1683         }
1684
1685         string = container_of(type, struct bt_ctf_field_type_string, parent);
1686         string->declaration.encoding = encoding;
1687 end:
1688         return ret;
1689 }
1690
1691 int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type)
1692 {
1693         int ret;
1694
1695         if (!type) {
1696                 ret = -1;
1697                 goto end;
1698         }
1699
1700         ret = (int) type->declaration->alignment;
1701 end:
1702         return ret;
1703 }
1704
1705 int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type,
1706                 unsigned int alignment)
1707 {
1708         int ret = 0;
1709
1710         /* Alignment must be bit-aligned (1) or byte aligned */
1711         if (!type || type->frozen || (alignment != 1 && (alignment & 0x7))) {
1712                 ret = -1;
1713                 goto end;
1714         }
1715
1716         if (type->declaration->id == CTF_TYPE_STRING &&
1717                 alignment != CHAR_BIT) {
1718                 ret = -1;
1719                 goto end;
1720         }
1721
1722         type->declaration->alignment = alignment;
1723         ret = 0;
1724 end:
1725         return ret;
1726 }
1727
1728 enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order(
1729                 struct bt_ctf_field_type *type)
1730 {
1731         enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
1732         int internal_byte_order = -1;
1733
1734         if (!type) {
1735                 goto end;
1736         }
1737
1738         switch (type->declaration->id) {
1739         case CTF_TYPE_INTEGER:
1740         {
1741                 struct bt_ctf_field_type_integer *integer = container_of(
1742                         type, struct bt_ctf_field_type_integer, parent);
1743                 internal_byte_order = integer->declaration.byte_order;
1744                 break;
1745         }
1746         case CTF_TYPE_FLOAT:
1747         {
1748                 struct bt_ctf_field_type_floating_point *floating_point =
1749                         container_of(type,
1750                                 struct bt_ctf_field_type_floating_point,
1751                                 parent);
1752                 internal_byte_order = floating_point->declaration.byte_order;
1753                 break;
1754         }
1755         default:
1756                 goto end;
1757         }
1758
1759         switch (internal_byte_order) {
1760         case LITTLE_ENDIAN:
1761                 ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN;
1762                 break;
1763         case BIG_ENDIAN:
1764                 ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN;
1765                 break;
1766         case 0:
1767                 ret = BT_CTF_BYTE_ORDER_NATIVE;
1768                 break;
1769         default:
1770                 ret = BT_CTF_BYTE_ORDER_UNKNOWN;
1771         }
1772 end:
1773         return ret;
1774 }
1775
1776 int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type,
1777                 enum bt_ctf_byte_order byte_order)
1778 {
1779         int ret = 0;
1780         int internal_byte_order;
1781         enum ctf_type_id type_id;
1782
1783         if (!type || type->frozen) {
1784                 ret = -1;
1785                 goto end;
1786         }
1787
1788         switch (byte_order) {
1789         case BT_CTF_BYTE_ORDER_NATIVE:
1790                 /* Leave unset. Will be initialized by parent. */
1791                 internal_byte_order = 0;
1792                 break;
1793         case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
1794                 internal_byte_order = LITTLE_ENDIAN;
1795                 break;
1796         case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
1797         case BT_CTF_BYTE_ORDER_NETWORK:
1798                 internal_byte_order = BIG_ENDIAN;
1799                 break;
1800         default:
1801                 ret = -1;
1802                 goto end;
1803         }
1804
1805         type_id = type->declaration->id;
1806         if (set_byte_order_funcs[type_id]) {
1807                 set_byte_order_funcs[type_id](type, internal_byte_order, 0);
1808         }
1809 end:
1810         return ret;
1811 }
1812
1813 enum ctf_type_id bt_ctf_field_type_get_type_id(
1814                 struct bt_ctf_field_type *type)
1815 {
1816         if (!type) {
1817                 return CTF_TYPE_UNKNOWN;
1818         }
1819
1820         return type->declaration->id;
1821 }
1822
1823 void bt_ctf_field_type_get(struct bt_ctf_field_type *type)
1824 {
1825         if (!type) {
1826                 return;
1827         }
1828
1829         bt_ctf_ref_get(&type->ref_count);
1830 }
1831
1832 void bt_ctf_field_type_put(struct bt_ctf_field_type *type)
1833 {
1834         if (!type) {
1835                 return;
1836         }
1837
1838         bt_ctf_ref_put(&type->ref_count, bt_ctf_field_type_destroy);
1839 }
1840
1841 BT_HIDDEN
1842 void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type)
1843 {
1844         if (!type) {
1845                 return;
1846         }
1847
1848         type->freeze(type);
1849 }
1850
1851 BT_HIDDEN
1852 struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_signed(
1853                 struct bt_ctf_field_type_variant *variant,
1854                 int64_t tag_value)
1855 {
1856         struct bt_ctf_field_type *type = NULL;
1857         GQuark field_name_quark;
1858         gpointer index;
1859         struct structure_field *field_entry;
1860         struct range_overlap_query query = {
1861                 .range_start._signed = tag_value,
1862                 .range_end._signed = tag_value,
1863                 .mapping_name = 0, .overlaps = 0};
1864
1865         g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap,
1866                 &query);
1867         if (!query.overlaps) {
1868                 goto end;
1869         }
1870
1871         field_name_quark = query.mapping_name;
1872         if (!g_hash_table_lookup_extended(variant->field_name_to_index,
1873                 GUINT_TO_POINTER(field_name_quark), NULL, &index)) {
1874                 goto end;
1875         }
1876
1877         field_entry = g_ptr_array_index(variant->fields, (size_t) index);
1878         type = field_entry->type;
1879 end:
1880         return type;
1881 }
1882
1883 BT_HIDDEN
1884 struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_unsigned(
1885                 struct bt_ctf_field_type_variant *variant,
1886                 uint64_t tag_value)
1887 {
1888         struct bt_ctf_field_type *type = NULL;
1889         GQuark field_name_quark;
1890         gpointer index;
1891         struct structure_field *field_entry;
1892         struct range_overlap_query query = {
1893                 .range_start._unsigned = tag_value,
1894                 .range_end._unsigned = tag_value,
1895                 .mapping_name = 0, .overlaps = 0};
1896
1897         g_ptr_array_foreach(variant->tag->entries,
1898                 check_ranges_overlap_unsigned,
1899                 &query);
1900         if (!query.overlaps) {
1901                 goto end;
1902         }
1903
1904         field_name_quark = query.mapping_name;
1905         if (!g_hash_table_lookup_extended(variant->field_name_to_index,
1906                 GUINT_TO_POINTER(field_name_quark), NULL, &index)) {
1907                 goto end;
1908         }
1909
1910         field_entry = g_ptr_array_index(variant->fields, (size_t)index);
1911         type = field_entry->type;
1912 end:
1913         return type;
1914 }
1915
1916 BT_HIDDEN
1917 int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type,
1918                 struct metadata_context *context)
1919 {
1920         int ret;
1921
1922         if (!type || !context) {
1923                 ret = -1;
1924                 goto end;
1925         }
1926
1927         ret = type->serialize(type, context);
1928 end:
1929         return ret;
1930 }
1931
1932 BT_HIDDEN
1933 void bt_ctf_field_type_set_native_byte_order(struct bt_ctf_field_type *type,
1934                 int byte_order)
1935 {
1936         if (!type) {
1937                 return;
1938         }
1939
1940         assert(byte_order == LITTLE_ENDIAN || byte_order == BIG_ENDIAN);
1941         if (set_byte_order_funcs[type->declaration->id]) {
1942                 set_byte_order_funcs[type->declaration->id](type,
1943                         byte_order, 1);
1944         }
1945 }
1946
1947 BT_HIDDEN
1948 struct bt_ctf_field_type *bt_ctf_field_type_copy(struct bt_ctf_field_type *type)
1949 {
1950         struct bt_ctf_field_type *copy = NULL;
1951
1952         if (!type) {
1953                 goto end;
1954         }
1955
1956         copy = type_copy_funcs[type->declaration->id](type);
1957 end:
1958         return copy;
1959 }
1960
1961 BT_HIDDEN
1962 struct bt_ctf_field_path *bt_ctf_field_path_create(void)
1963 {
1964         struct bt_ctf_field_path *field_path = NULL;
1965
1966         field_path = g_new0(struct bt_ctf_field_path, 1);
1967         if (!field_path) {
1968                 goto end;
1969         }
1970
1971         field_path->root = CTF_NODE_UNKNOWN;
1972         field_path->path_indexes = g_array_new(TRUE, FALSE, sizeof(int));
1973         if (!field_path->path_indexes) {
1974                 bt_ctf_field_path_destroy(field_path);
1975                 field_path = NULL;
1976         }
1977 end:
1978         return field_path;
1979 }
1980
1981
1982 BT_HIDDEN
1983 struct bt_ctf_field_path *bt_ctf_field_path_copy(
1984                 struct bt_ctf_field_path *path)
1985 {
1986         struct bt_ctf_field_path *new_path = bt_ctf_field_path_create();
1987
1988         if (!new_path) {
1989                 goto end;
1990         }
1991
1992         new_path->root = path->root;
1993         g_array_insert_vals(new_path->path_indexes, 0,
1994                 path->path_indexes->data, path->path_indexes->len);
1995 end:
1996         return new_path;
1997 }
1998
1999 BT_HIDDEN
2000 void bt_ctf_field_path_destroy(struct bt_ctf_field_path *path)
2001 {
2002         if (!path) {
2003                 return;
2004         }
2005
2006         if (path->path_indexes) {
2007                 g_array_free(path->path_indexes, TRUE);
2008         }
2009         g_free(path);
2010 }
2011
2012 BT_HIDDEN
2013 int bt_ctf_field_type_structure_get_field_name_index(
2014                 struct bt_ctf_field_type *type, const char *name)
2015 {
2016         int ret;
2017         size_t index;
2018         GQuark name_quark;
2019         struct bt_ctf_field_type_structure *structure;
2020
2021         if (!type || !name ||
2022                 bt_ctf_field_type_get_type_id(type) != CTF_TYPE_STRUCT) {
2023                 ret = -1;
2024                 goto end;
2025         }
2026
2027         name_quark = g_quark_try_string(name);
2028         if (!name_quark) {
2029                 ret = -1;
2030                 goto end;
2031         }
2032
2033         structure = container_of(type, struct bt_ctf_field_type_structure,
2034                 parent);
2035         if (!g_hash_table_lookup_extended(structure->field_name_to_index,
2036                 GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
2037                 ret = -1;
2038                 goto end;
2039         }
2040         ret = (int) index;
2041 end:
2042         return ret;
2043 }
2044
2045 BT_HIDDEN
2046 int bt_ctf_field_type_variant_get_field_name_index(
2047                 struct bt_ctf_field_type *type, const char *name)
2048 {
2049         int ret;
2050         size_t index;
2051         GQuark name_quark;
2052         struct bt_ctf_field_type_variant *variant;
2053
2054         if (!type || !name ||
2055                 bt_ctf_field_type_get_type_id(type) != CTF_TYPE_VARIANT) {
2056                 ret = -1;
2057                 goto end;
2058         }
2059
2060         name_quark = g_quark_try_string(name);
2061         if (!name_quark) {
2062                 ret = -1;
2063                 goto end;
2064         }
2065
2066         variant = container_of(type, struct bt_ctf_field_type_variant,
2067                 parent);
2068         if (!g_hash_table_lookup_extended(variant->field_name_to_index,
2069                 GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
2070                 ret = -1;
2071                 goto end;
2072         }
2073         ret = (int) index;
2074 end:
2075         return ret;
2076 }
2077
2078 BT_HIDDEN
2079 int bt_ctf_field_type_sequence_set_length_field_path(
2080                 struct bt_ctf_field_type *type,
2081                 struct bt_ctf_field_path *path)
2082 {
2083         int ret = 0;
2084         struct bt_ctf_field_type_sequence *sequence;
2085
2086         if (!type || bt_ctf_field_type_get_type_id(type) != CTF_TYPE_SEQUENCE) {
2087                 ret = -1;
2088                 goto end;
2089         }
2090
2091         sequence = container_of(type, struct bt_ctf_field_type_sequence,
2092                 parent);
2093         if (sequence->length_field_path) {
2094                 bt_ctf_field_path_destroy(sequence->length_field_path);
2095         }
2096         sequence->length_field_path = path;
2097 end:
2098         return ret;
2099 }
2100
2101 BT_HIDDEN
2102 int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type *type,
2103                 struct bt_ctf_field_path *path)
2104 {
2105         int ret = 0;
2106         struct bt_ctf_field_type_variant *variant;
2107
2108         if (!type || bt_ctf_field_type_get_type_id(type) != CTF_TYPE_VARIANT) {
2109                 ret = -1;
2110                 goto end;
2111         }
2112
2113         variant = container_of(type, struct bt_ctf_field_type_variant,
2114                 parent);
2115         if (variant->tag_path) {
2116                 bt_ctf_field_path_destroy(variant->tag_path);
2117         }
2118         variant->tag_path = path;
2119 end:
2120         return ret;
2121 }
2122
2123 BT_HIDDEN
2124 int bt_ctf_field_type_variant_set_tag(struct bt_ctf_field_type *type,
2125                 struct bt_ctf_field_type *tag)
2126 {
2127         int ret = 0;
2128         struct bt_ctf_field_type_variant *variant;
2129
2130         if (!type || !tag || type->frozen ||
2131                 bt_ctf_field_type_get_type_id(tag) != CTF_TYPE_ENUM) {
2132                 ret = -1;
2133                 goto end;
2134         }
2135
2136         variant = container_of(type, struct bt_ctf_field_type_variant,
2137                 parent);
2138         bt_ctf_field_type_get(tag);
2139         if (variant->tag) {
2140                 bt_ctf_field_type_put(&variant->tag->parent);
2141         }
2142         variant->tag = container_of(tag, struct bt_ctf_field_type_enumeration,
2143                 parent);
2144 end:
2145         return ret;
2146 }
2147
2148 static
2149 void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref)
2150 {
2151         struct bt_ctf_field_type_integer *integer;
2152
2153         if (!ref) {
2154                 return;
2155         }
2156
2157         integer = container_of(
2158                 container_of(ref, struct bt_ctf_field_type, ref_count),
2159                 struct bt_ctf_field_type_integer, parent);
2160         if (integer->mapped_clock) {
2161                 bt_ctf_clock_put(integer->mapped_clock);
2162         }
2163         g_free(integer);
2164 }
2165
2166 static
2167 void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *ref)
2168 {
2169         struct bt_ctf_field_type_enumeration *enumeration;
2170
2171         if (!ref) {
2172                 return;
2173         }
2174
2175         enumeration = container_of(
2176                 container_of(ref, struct bt_ctf_field_type, ref_count),
2177                 struct bt_ctf_field_type_enumeration, parent);
2178         g_ptr_array_free(enumeration->entries, TRUE);
2179         bt_ctf_field_type_put(enumeration->container);
2180         g_free(enumeration);
2181 }
2182
2183 static
2184 void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *ref)
2185 {
2186         struct bt_ctf_field_type_floating_point *floating_point;
2187
2188         if (!ref) {
2189                 return;
2190         }
2191
2192         floating_point = container_of(
2193                 container_of(ref, struct bt_ctf_field_type, ref_count),
2194                 struct bt_ctf_field_type_floating_point, parent);
2195         g_free(floating_point);
2196 }
2197
2198 static
2199 void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *ref)
2200 {
2201         struct bt_ctf_field_type_structure *structure;
2202
2203         if (!ref) {
2204                 return;
2205         }
2206
2207         structure = container_of(
2208                 container_of(ref, struct bt_ctf_field_type, ref_count),
2209                 struct bt_ctf_field_type_structure, parent);
2210         g_ptr_array_free(structure->fields, TRUE);
2211         g_hash_table_destroy(structure->field_name_to_index);
2212         g_free(structure);
2213 }
2214
2215 static
2216 void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *ref)
2217 {
2218         struct bt_ctf_field_type_variant *variant;
2219
2220         if (!ref) {
2221                 return;
2222         }
2223
2224         variant = container_of(
2225                 container_of(ref, struct bt_ctf_field_type, ref_count),
2226                 struct bt_ctf_field_type_variant, parent);
2227         g_ptr_array_free(variant->fields, TRUE);
2228         g_hash_table_destroy(variant->field_name_to_index);
2229         g_string_free(variant->tag_name, TRUE);
2230         bt_ctf_field_type_put(&variant->tag->parent);
2231         bt_ctf_field_path_destroy(variant->tag_path);
2232         g_free(variant);
2233 }
2234
2235 static
2236 void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *ref)
2237 {
2238         struct bt_ctf_field_type_array *array;
2239
2240         if (!ref) {
2241                 return;
2242         }
2243
2244         array = container_of(
2245                 container_of(ref, struct bt_ctf_field_type, ref_count),
2246                 struct bt_ctf_field_type_array, parent);
2247         bt_ctf_field_type_put(array->element_type);
2248         g_free(array);
2249 }
2250
2251 static
2252 void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *ref)
2253 {
2254         struct bt_ctf_field_type_sequence *sequence;
2255
2256         if (!ref) {
2257                 return;
2258         }
2259
2260         sequence = container_of(
2261                 container_of(ref, struct bt_ctf_field_type, ref_count),
2262                 struct bt_ctf_field_type_sequence, parent);
2263         bt_ctf_field_type_put(sequence->element_type);
2264         g_string_free(sequence->length_field_name, TRUE);
2265         bt_ctf_field_path_destroy(sequence->length_field_path);
2266         g_free(sequence);
2267 }
2268
2269 static
2270 void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *ref)
2271 {
2272         struct bt_ctf_field_type_string *string;
2273
2274         if (!ref) {
2275                 return;
2276         }
2277
2278         string = container_of(
2279                 container_of(ref, struct bt_ctf_field_type, ref_count),
2280                 struct bt_ctf_field_type_string, parent);
2281         g_free(string);
2282 }
2283
2284 static
2285 void generic_field_type_freeze(struct bt_ctf_field_type *type)
2286 {
2287         type->frozen = 1;
2288 }
2289
2290 static
2291 void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type)
2292 {
2293         struct bt_ctf_field_type_enumeration *enumeration_type = container_of(
2294                 type, struct bt_ctf_field_type_enumeration, parent);
2295
2296         generic_field_type_freeze(type);
2297         bt_ctf_field_type_freeze(enumeration_type->container);
2298 }
2299
2300 static
2301 void freeze_structure_field(struct structure_field *field)
2302 {
2303         bt_ctf_field_type_freeze(field->type);
2304 }
2305
2306 static
2307 void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type)
2308 {
2309         struct bt_ctf_field_type_structure *structure_type = container_of(
2310                 type, struct bt_ctf_field_type_structure, parent);
2311
2312         generic_field_type_freeze(type);
2313         g_ptr_array_foreach(structure_type->fields, (GFunc)freeze_structure_field,
2314                 NULL);
2315 }
2316
2317 static
2318 void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type)
2319 {
2320         struct bt_ctf_field_type_variant *variant_type = container_of(
2321                 type, struct bt_ctf_field_type_variant, parent);
2322
2323         generic_field_type_freeze(type);
2324         g_ptr_array_foreach(variant_type->fields, (GFunc)freeze_structure_field,
2325                 NULL);
2326 }
2327
2328 static
2329 void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type)
2330 {
2331         struct bt_ctf_field_type_array *array_type = container_of(
2332                 type, struct bt_ctf_field_type_array, parent);
2333
2334         generic_field_type_freeze(type);
2335         bt_ctf_field_type_freeze(array_type->element_type);
2336 }
2337
2338 static
2339 void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type)
2340 {
2341         struct bt_ctf_field_type_sequence *sequence_type = container_of(
2342                 type, struct bt_ctf_field_type_sequence, parent);
2343
2344         generic_field_type_freeze(type);
2345         bt_ctf_field_type_freeze(sequence_type->element_type);
2346 }
2347
2348 static
2349 const char *get_encoding_string(enum ctf_string_encoding encoding)
2350 {
2351         const char *encoding_string;
2352
2353         switch (encoding) {
2354         case CTF_STRING_NONE:
2355                 encoding_string = "none";
2356                 break;
2357         case CTF_STRING_ASCII:
2358                 encoding_string = "ASCII";
2359                 break;
2360         case CTF_STRING_UTF8:
2361                 encoding_string = "UTF8";
2362                 break;
2363         default:
2364                 encoding_string = "unknown";
2365                 break;
2366         }
2367
2368         return encoding_string;
2369 }
2370
2371 static
2372 const char *get_integer_base_string(enum bt_ctf_integer_base base)
2373 {
2374         const char *base_string;
2375
2376         switch (base) {
2377         case BT_CTF_INTEGER_BASE_DECIMAL:
2378                 base_string = "decimal";
2379                 break;
2380         case BT_CTF_INTEGER_BASE_HEXADECIMAL:
2381                 base_string = "hexadecimal";
2382                 break;
2383         case BT_CTF_INTEGER_BASE_OCTAL:
2384                 base_string = "octal";
2385                 break;
2386         case BT_CTF_INTEGER_BASE_BINARY:
2387                 base_string = "binary";
2388                 break;
2389         default:
2390                 base_string = "unknown";
2391                 break;
2392         }
2393
2394         return base_string;
2395 }
2396
2397 static
2398 int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type,
2399                 struct metadata_context *context)
2400 {
2401         struct bt_ctf_field_type_integer *integer = container_of(type,
2402                 struct bt_ctf_field_type_integer, parent);
2403         int ret = 0;
2404
2405         g_string_append_printf(context->string,
2406                 "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s",
2407                 integer->declaration.len, type->declaration->alignment,
2408                 (integer->declaration.signedness ? "true" : "false"),
2409                 get_encoding_string(integer->declaration.encoding),
2410                 get_integer_base_string(integer->declaration.base),
2411                 get_byte_order_string(integer->declaration.byte_order));
2412         if (integer->mapped_clock) {
2413                 const char *clock_name = bt_ctf_clock_get_name(
2414                         integer->mapped_clock);
2415
2416                 if (!clock_name) {
2417                         ret = -1;
2418                         goto end;
2419                 }
2420
2421                 g_string_append_printf(context->string,
2422                         "; map = clock.%s.value", clock_name);
2423         }
2424
2425         g_string_append(context->string, "; }");
2426 end:
2427         return ret;
2428 }
2429
2430 static
2431 int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type,
2432                 struct metadata_context *context)
2433 {
2434         size_t entry;
2435         int ret;
2436         struct bt_ctf_field_type_enumeration *enumeration = container_of(type,
2437                 struct bt_ctf_field_type_enumeration, parent);
2438         struct bt_ctf_field_type *container_type;
2439         int container_signed;
2440
2441         ret = bt_ctf_field_type_validate(type);
2442         if (ret) {
2443                 goto end;
2444         }
2445
2446         container_type = bt_ctf_field_type_enumeration_get_container_type(type);
2447         if (!container_type) {
2448                 ret = -1;
2449                 goto end;
2450         }
2451
2452         container_signed = bt_ctf_field_type_integer_get_signed(container_type);
2453         if (container_signed < 0) {
2454                 ret = container_signed;
2455                 goto error_put_container_type;
2456         }
2457
2458         g_string_append(context->string, "enum : ");
2459         ret = bt_ctf_field_type_serialize(enumeration->container, context);
2460         if (ret) {
2461                 goto error_put_container_type;
2462         }
2463
2464         g_string_append(context->string, " { ");
2465         for (entry = 0; entry < enumeration->entries->len; entry++) {
2466                 struct enumeration_mapping *mapping =
2467                         enumeration->entries->pdata[entry];
2468
2469                 if (container_signed) {
2470                         if (mapping->range_start._signed ==
2471                                 mapping->range_end._signed) {
2472                                 g_string_append_printf(context->string,
2473                                         "\"%s\" = %" PRId64,
2474                                         g_quark_to_string(mapping->string),
2475                                         mapping->range_start._signed);
2476                         } else {
2477                                 g_string_append_printf(context->string,
2478                                         "\"%s\" = %" PRId64 " ... %" PRId64,
2479                                         g_quark_to_string(mapping->string),
2480                                         mapping->range_start._signed,
2481                                         mapping->range_end._signed);
2482                         }
2483                 } else {
2484                         if (mapping->range_start._unsigned ==
2485                                 mapping->range_end._unsigned) {
2486                                 g_string_append_printf(context->string,
2487                                         "\"%s\" = %" PRIu64,
2488                                         g_quark_to_string(mapping->string),
2489                                         mapping->range_start._unsigned);
2490                         } else {
2491                                 g_string_append_printf(context->string,
2492                                         "\"%s\" = %" PRIu64 " ... %" PRIu64,
2493                                         g_quark_to_string(mapping->string),
2494                                         mapping->range_start._unsigned,
2495                                         mapping->range_end._unsigned);
2496                         }
2497                 }
2498
2499                 g_string_append(context->string,
2500                         ((entry != (enumeration->entries->len - 1)) ?
2501                         ", " : " }"));
2502         }
2503
2504         if (context->field_name->len) {
2505                 g_string_append_printf(context->string, " %s",
2506                         context->field_name->str);
2507                 g_string_assign(context->field_name, "");
2508         }
2509 error_put_container_type:
2510         bt_ctf_field_type_put(container_type);
2511 end:
2512         return ret;
2513 }
2514
2515 static
2516 int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type,
2517                 struct metadata_context *context)
2518 {
2519         struct bt_ctf_field_type_floating_point *floating_point = container_of(
2520                 type, struct bt_ctf_field_type_floating_point, parent);
2521
2522         g_string_append_printf(context->string,
2523                 "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }",
2524                 floating_point->declaration.exp->len,
2525                 floating_point->declaration.mantissa->len + 1,
2526                 get_byte_order_string(floating_point->declaration.byte_order),
2527                 type->declaration->alignment);
2528         return 0;
2529 }
2530
2531 static
2532 int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type,
2533                 struct metadata_context *context)
2534 {
2535         size_t i;
2536         unsigned int indent;
2537         int ret = 0;
2538         struct bt_ctf_field_type_structure *structure = container_of(type,
2539                 struct bt_ctf_field_type_structure, parent);
2540         GString *structure_field_name = context->field_name;
2541
2542         context->field_name = g_string_new("");
2543
2544         context->current_indentation_level++;
2545         g_string_append(context->string, "struct {\n");
2546
2547         for (i = 0; i < structure->fields->len; i++) {
2548                 struct structure_field *field;
2549
2550                 for (indent = 0; indent < context->current_indentation_level;
2551                         indent++) {
2552                         g_string_append_c(context->string, '\t');
2553                 }
2554
2555                 field = structure->fields->pdata[i];
2556                 g_string_assign(context->field_name,
2557                         g_quark_to_string(field->name));
2558                 ret = bt_ctf_field_type_serialize(field->type, context);
2559                 if (ret) {
2560                         goto end;
2561                 }
2562
2563                 if (context->field_name->len) {
2564                         g_string_append_printf(context->string, " %s",
2565                                 context->field_name->str);
2566                 }
2567                 g_string_append(context->string, ";\n");
2568         }
2569
2570         context->current_indentation_level--;
2571         for (indent = 0; indent < context->current_indentation_level;
2572                 indent++) {
2573                 g_string_append_c(context->string, '\t');
2574         }
2575
2576         g_string_append_printf(context->string, "} align(%zu)",
2577                  type->declaration->alignment);
2578 end:
2579         g_string_free(context->field_name, TRUE);
2580         context->field_name = structure_field_name;
2581         return ret;
2582 }
2583
2584 static
2585 int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type,
2586                 struct metadata_context *context)
2587 {
2588         size_t i;
2589         unsigned int indent;
2590         int ret = 0;
2591         struct bt_ctf_field_type_variant *variant = container_of(
2592                 type, struct bt_ctf_field_type_variant, parent);
2593         GString *variant_field_name = context->field_name;
2594
2595         context->field_name = g_string_new("");
2596         if (variant->tag_name->len > 0) {
2597                 g_string_append_printf(context->string,
2598                         "variant <%s> {\n", variant->tag_name->str);
2599         } else {
2600                 g_string_append(context->string, "variant {\n");
2601         }
2602
2603         context->current_indentation_level++;
2604         for (i = 0; i < variant->fields->len; i++) {
2605                 struct structure_field *field = variant->fields->pdata[i];
2606
2607                 g_string_assign(context->field_name,
2608                         g_quark_to_string(field->name));
2609                 for (indent = 0; indent < context->current_indentation_level;
2610                         indent++) {
2611                         g_string_append_c(context->string, '\t');
2612                 }
2613
2614                 g_string_assign(context->field_name,
2615                         g_quark_to_string(field->name));
2616                 ret = bt_ctf_field_type_serialize(field->type, context);
2617                 if (ret) {
2618                         goto end;
2619                 }
2620
2621                 if (context->field_name->len) {
2622                         g_string_append_printf(context->string, " %s;",
2623                                 context->field_name->str);
2624                 }
2625
2626                 g_string_append_c(context->string, '\n');
2627         }
2628
2629         context->current_indentation_level--;
2630         for (indent = 0; indent < context->current_indentation_level;
2631                 indent++) {
2632                 g_string_append_c(context->string, '\t');
2633         }
2634
2635         g_string_append(context->string, "}");
2636 end:
2637         g_string_free(context->field_name, TRUE);
2638         context->field_name = variant_field_name;
2639         return ret;
2640 }
2641
2642 static
2643 int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type,
2644                 struct metadata_context *context)
2645 {
2646         int ret = 0;
2647         struct bt_ctf_field_type_array *array = container_of(type,
2648                 struct bt_ctf_field_type_array, parent);
2649
2650         ret = bt_ctf_field_type_serialize(array->element_type, context);
2651         if (ret) {
2652                 goto end;
2653         }
2654
2655         if (context->field_name->len) {
2656                 g_string_append_printf(context->string, " %s[%u]",
2657                         context->field_name->str, array->length);
2658                 g_string_assign(context->field_name, "");
2659         } else {
2660                 g_string_append_printf(context->string, "[%u]", array->length);
2661         }
2662 end:
2663         return ret;
2664 }
2665
2666 static
2667 int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type,
2668                 struct metadata_context *context)
2669 {
2670         int ret = 0;
2671         struct bt_ctf_field_type_sequence *sequence = container_of(
2672                 type, struct bt_ctf_field_type_sequence, parent);
2673
2674         ret = bt_ctf_field_type_serialize(sequence->element_type, context);
2675         if (ret) {
2676                 goto end;
2677         }
2678
2679         if (context->field_name->len) {
2680                 g_string_append_printf(context->string, " %s[%s]",
2681                         context->field_name->str,
2682                         sequence->length_field_name->str);
2683                 g_string_assign(context->field_name, "");
2684         } else {
2685                 g_string_append_printf(context->string, "[%s]",
2686                         sequence->length_field_name->str);
2687         }
2688 end:
2689         return ret;
2690 }
2691
2692 static
2693 int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type,
2694                 struct metadata_context *context)
2695 {
2696         struct bt_ctf_field_type_string *string = container_of(
2697                 type, struct bt_ctf_field_type_string, parent);
2698
2699         g_string_append_printf(context->string,
2700                 "string { encoding = %s; }",
2701                 get_encoding_string(string->declaration.encoding));
2702         return 0;
2703 }
2704
2705 static
2706 void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type,
2707                 int byte_order, int set_native)
2708 {
2709         struct bt_ctf_field_type_integer *integer_type = container_of(type,
2710                 struct bt_ctf_field_type_integer, parent);
2711
2712         if (set_native) {
2713                 integer_type->declaration.byte_order =
2714                         integer_type->declaration.byte_order == 0 ?
2715                         byte_order : integer_type->declaration.byte_order;
2716         } else {
2717                 integer_type->declaration.byte_order = byte_order;
2718         }
2719 }
2720
2721 static
2722 void bt_ctf_field_type_enumeration_set_byte_order(
2723                 struct bt_ctf_field_type *type, int byte_order, int set_native)
2724 {
2725         struct bt_ctf_field_type_enumeration *enum_type = container_of(type,
2726                 struct bt_ctf_field_type_enumeration, parent);
2727
2728         /* Safe to assume that container is an integer */
2729         bt_ctf_field_type_integer_set_byte_order(enum_type->container,
2730                 byte_order, set_native);
2731 }
2732
2733 static
2734 void bt_ctf_field_type_floating_point_set_byte_order(
2735                 struct bt_ctf_field_type *type, int byte_order, int set_native)
2736 {
2737         struct bt_ctf_field_type_floating_point *floating_point_type =
2738                 container_of(type, struct bt_ctf_field_type_floating_point,
2739                 parent);
2740
2741         if (set_native) {
2742                 floating_point_type->declaration.byte_order =
2743                         floating_point_type->declaration.byte_order == 0 ?
2744                         byte_order :
2745                         floating_point_type->declaration.byte_order;
2746                 floating_point_type->sign.byte_order =
2747                         floating_point_type->sign.byte_order == 0 ?
2748                         byte_order : floating_point_type->sign.byte_order;
2749                 floating_point_type->mantissa.byte_order =
2750                         floating_point_type->mantissa.byte_order == 0 ?
2751                         byte_order : floating_point_type->mantissa.byte_order;
2752                 floating_point_type->exp.byte_order =
2753                         floating_point_type->exp.byte_order == 0 ?
2754                         byte_order : floating_point_type->exp.byte_order;
2755         } else {
2756                 floating_point_type->declaration.byte_order = byte_order;
2757                 floating_point_type->sign.byte_order = byte_order;
2758                 floating_point_type->mantissa.byte_order = byte_order;
2759                 floating_point_type->exp.byte_order = byte_order;
2760         }
2761 }
2762
2763 static
2764 void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *type,
2765                 int byte_order, int set_native)
2766 {
2767         int i;
2768         struct bt_ctf_field_type_structure *structure_type =
2769                 container_of(type, struct bt_ctf_field_type_structure,
2770                 parent);
2771
2772         for (i = 0; i < structure_type->fields->len; i++) {
2773                 struct structure_field *field = g_ptr_array_index(
2774                         structure_type->fields, i);
2775                 struct bt_ctf_field_type *field_type = field->type;
2776
2777                 if (set_byte_order_funcs[field_type->declaration->id]) {
2778                         set_byte_order_funcs[field_type->declaration->id](
2779                                 field_type, byte_order, set_native);
2780                 }
2781         }
2782 }
2783
2784 static
2785 void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *type,
2786                 int byte_order, int set_native)
2787 {
2788         int i;
2789         struct bt_ctf_field_type_variant *variant_type =
2790                 container_of(type, struct bt_ctf_field_type_variant,
2791                 parent);
2792
2793         for (i = 0; i < variant_type->fields->len; i++) {
2794                 struct structure_field *field = g_ptr_array_index(
2795                         variant_type->fields, i);
2796                 struct bt_ctf_field_type *field_type = field->type;
2797
2798                 if (set_byte_order_funcs[field_type->declaration->id]) {
2799                         set_byte_order_funcs[field_type->declaration->id](
2800                                 field_type, byte_order, set_native);
2801                 }
2802         }
2803 }
2804
2805 static
2806 void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *type,
2807                 int byte_order, int set_native)
2808 {
2809         struct bt_ctf_field_type_array *array_type =
2810                 container_of(type, struct bt_ctf_field_type_array,
2811                 parent);
2812
2813         if (set_byte_order_funcs[array_type->element_type->declaration->id]) {
2814                 set_byte_order_funcs[array_type->element_type->declaration->id](
2815                         array_type->element_type, byte_order, set_native);
2816         }
2817 }
2818
2819 static
2820 void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *type,
2821                 int byte_order, int set_native)
2822 {
2823         struct bt_ctf_field_type_sequence *sequence_type =
2824                 container_of(type, struct bt_ctf_field_type_sequence,
2825                 parent);
2826
2827         if (set_byte_order_funcs[
2828                 sequence_type->element_type->declaration->id]) {
2829                 set_byte_order_funcs[
2830                         sequence_type->element_type->declaration->id](
2831                         sequence_type->element_type, byte_order, set_native);
2832         }
2833 }
2834
2835 static
2836 struct bt_ctf_field_type *bt_ctf_field_type_integer_copy(
2837                 struct bt_ctf_field_type *type)
2838 {
2839         struct bt_ctf_field_type *copy;
2840         struct bt_ctf_field_type_integer *integer, *copy_integer;
2841
2842         integer = container_of(type, struct bt_ctf_field_type_integer, parent);
2843         copy = bt_ctf_field_type_integer_create(integer->declaration.len);
2844         if (!copy) {
2845                 goto end;
2846         }
2847
2848         copy_integer = container_of(copy, struct bt_ctf_field_type_integer,
2849                 parent);
2850         copy_integer->declaration = integer->declaration;
2851         if (integer->mapped_clock) {
2852                 bt_ctf_clock_get(integer->mapped_clock);
2853                 copy_integer->mapped_clock = integer->mapped_clock;
2854         }
2855 end:
2856         return copy;
2857 }
2858
2859 static
2860 struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy(
2861                 struct bt_ctf_field_type *type)
2862 {
2863         size_t i;
2864         struct bt_ctf_field_type *copy = NULL, *copy_container;
2865         struct bt_ctf_field_type_enumeration *enumeration, *copy_enumeration;
2866
2867         enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
2868                 parent);
2869
2870         /* Copy the source enumeration's container */
2871         copy_container = bt_ctf_field_type_copy(enumeration->container);
2872         if (!copy_container) {
2873                 goto end;
2874         }
2875
2876         copy = bt_ctf_field_type_enumeration_create(copy_container);
2877         if (!copy) {
2878                 goto end;
2879         }
2880         copy_enumeration = container_of(copy,
2881                 struct bt_ctf_field_type_enumeration, parent);
2882
2883         /* Copy all enumaration entries */
2884         for (i = 0; i < enumeration->entries->len; i++) {
2885                 struct enumeration_mapping *mapping = g_ptr_array_index(
2886                         enumeration->entries, i);
2887                 struct enumeration_mapping* copy_mapping = g_new0(
2888                         struct enumeration_mapping, 1);
2889
2890                 if (!copy_mapping) {
2891                         goto error;
2892                 }
2893
2894                 *copy_mapping = *mapping;
2895                 g_ptr_array_add(copy_enumeration->entries, copy_mapping);
2896         }
2897
2898         copy_enumeration->declaration = enumeration->declaration;
2899 end:
2900         if (copy_container) {
2901                 bt_ctf_field_type_put(copy_container);
2902         }
2903         return copy;
2904 error:
2905         if (copy_container) {
2906                 bt_ctf_field_type_put(copy_container);
2907         }
2908         bt_ctf_field_type_put(copy);
2909         return NULL;
2910 }
2911
2912 static
2913 struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy(
2914                 struct bt_ctf_field_type *type)
2915 {
2916         struct bt_ctf_field_type *copy;
2917         struct bt_ctf_field_type_floating_point *floating_point, *copy_float;
2918
2919         floating_point = container_of(type,
2920                 struct bt_ctf_field_type_floating_point, parent);
2921         copy = bt_ctf_field_type_floating_point_create();
2922         if (!copy) {
2923                 goto end;
2924         }
2925
2926         copy_float = container_of(copy,
2927                 struct bt_ctf_field_type_floating_point, parent);
2928         copy_float->declaration = floating_point->declaration;
2929         copy_float->sign = floating_point->sign;
2930         copy_float->mantissa = floating_point->mantissa;
2931         copy_float->exp = floating_point->exp;
2932 end:
2933         return copy;
2934 }
2935
2936 static
2937 struct bt_ctf_field_type *bt_ctf_field_type_structure_copy(
2938                 struct bt_ctf_field_type *type)
2939 {
2940         int i;
2941         GHashTableIter iter;
2942         gpointer key, value;
2943         struct bt_ctf_field_type *copy;
2944         struct bt_ctf_field_type_structure *structure, *copy_structure;
2945
2946         structure = container_of(type, struct bt_ctf_field_type_structure,
2947                 parent);
2948         copy = bt_ctf_field_type_structure_create();
2949         if (!copy) {
2950                 goto end;
2951         }
2952
2953         copy_structure = container_of(copy,
2954                 struct bt_ctf_field_type_structure, parent);
2955
2956         /* Copy field_name_to_index */
2957         g_hash_table_iter_init(&iter, structure->field_name_to_index);
2958         while (g_hash_table_iter_next (&iter, &key, &value)) {
2959                 g_hash_table_insert(copy_structure->field_name_to_index,
2960                         key, value);
2961         }
2962
2963         for (i = 0; i < structure->fields->len; i++) {
2964                 struct structure_field *entry, *copy_entry;
2965                 struct bt_ctf_field_type *copy_field;
2966
2967                 copy_entry = g_new0(struct structure_field, 1);
2968                 if (!copy_entry) {
2969                         goto error;
2970                 }
2971
2972                 entry = g_ptr_array_index(structure->fields, i);
2973                 copy_field = bt_ctf_field_type_copy(entry->type);
2974                 if (!copy_field) {
2975                         g_free(copy_entry);
2976                         goto error;
2977                 }
2978
2979                 copy_entry->name = entry->name;
2980                 copy_entry->type = copy_field;
2981                 g_ptr_array_add(copy_structure->fields, copy_entry);
2982         }
2983
2984         copy_structure->declaration = structure->declaration;
2985 end:
2986         return copy;
2987 error:
2988         bt_ctf_field_type_put(copy);
2989         return NULL;
2990 }
2991
2992 static
2993 struct bt_ctf_field_type *bt_ctf_field_type_variant_copy(
2994                 struct bt_ctf_field_type *type)
2995 {
2996         int i;
2997         GHashTableIter iter;
2998         gpointer key, value;
2999         struct bt_ctf_field_type *copy = NULL, *copy_tag = NULL;
3000         struct bt_ctf_field_type_variant *variant, *copy_variant;
3001
3002         variant = container_of(type, struct bt_ctf_field_type_variant,
3003                 parent);
3004         if (variant->tag) {
3005                 copy_tag = bt_ctf_field_type_copy(&variant->tag->parent);
3006                 if (!copy_tag) {
3007                         goto end;
3008                 }
3009         }
3010
3011         copy = bt_ctf_field_type_variant_create(copy_tag,
3012                 variant->tag_name->len ? variant->tag_name->str : NULL);
3013         if (!copy) {
3014                 goto end;
3015         }
3016
3017         copy_variant = container_of(copy, struct bt_ctf_field_type_variant,
3018                 parent);
3019
3020         /* Copy field_name_to_index */
3021         g_hash_table_iter_init(&iter, variant->field_name_to_index);
3022         while (g_hash_table_iter_next (&iter, &key, &value)) {
3023                 g_hash_table_insert(copy_variant->field_name_to_index,
3024                         key, value);
3025         }
3026
3027         for (i = 0; i < variant->fields->len; i++) {
3028                 struct structure_field *entry, *copy_entry;
3029                 struct bt_ctf_field_type *copy_field;
3030
3031                 copy_entry = g_new0(struct structure_field, 1);
3032                 if (!copy_entry) {
3033                         goto error;
3034                 }
3035
3036                 entry = g_ptr_array_index(variant->fields, i);
3037                 copy_field = bt_ctf_field_type_copy(entry->type);
3038                 if (!copy_field) {
3039                         g_free(copy_entry);
3040                         goto error;
3041                 }
3042
3043                 copy_entry->name = entry->name;
3044                 copy_entry->type = copy_field;
3045                 g_ptr_array_add(copy_variant->fields, copy_entry);
3046         }
3047
3048         copy_variant->declaration = variant->declaration;
3049         if (variant->tag_path) {
3050                 copy_variant->tag_path = bt_ctf_field_path_copy(
3051                         variant->tag_path);
3052                 if (!copy_variant->tag_path) {
3053                         goto error;
3054                 }
3055         }
3056 end:
3057         if (copy_tag) {
3058                 bt_ctf_field_type_put(copy_tag);
3059         }
3060
3061         return copy;
3062 error:
3063         if (copy_tag) {
3064                 bt_ctf_field_type_put(copy_tag);
3065         }
3066
3067         bt_ctf_field_type_put(copy);
3068         return NULL;
3069 }
3070
3071 static
3072 struct bt_ctf_field_type *bt_ctf_field_type_array_copy(
3073                 struct bt_ctf_field_type *type)
3074 {
3075         struct bt_ctf_field_type *copy = NULL, *copy_element;
3076         struct bt_ctf_field_type_array *array, *copy_array;
3077
3078         array = container_of(type, struct bt_ctf_field_type_array,
3079                 parent);
3080         copy_element = bt_ctf_field_type_copy(array->element_type);
3081         if (!copy_element) {
3082                 goto end;
3083         }
3084
3085         copy = bt_ctf_field_type_array_create(copy_element, array->length);
3086         if (!copy) {
3087                 goto end;
3088         }
3089
3090         copy_array = container_of(copy, struct bt_ctf_field_type_array,
3091                 parent);
3092         copy_array->declaration = array->declaration;
3093 end:
3094         if (copy_element) {
3095                 bt_ctf_field_type_put(copy_element);
3096         }
3097
3098         return copy;
3099 }
3100
3101 static
3102 struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy(
3103                 struct bt_ctf_field_type *type)
3104 {
3105         struct bt_ctf_field_type *copy = NULL, *copy_element;
3106         struct bt_ctf_field_type_sequence *sequence, *copy_sequence;
3107
3108         sequence = container_of(type, struct bt_ctf_field_type_sequence,
3109                 parent);
3110         copy_element = bt_ctf_field_type_copy(sequence->element_type);
3111         if (!copy_element) {
3112                 goto end;
3113         }
3114
3115         copy = bt_ctf_field_type_sequence_create(copy_element,
3116                 sequence->length_field_name->len ?
3117                         sequence->length_field_name->str : NULL);
3118         if (!copy) {
3119                 goto end;
3120         }
3121
3122         copy_sequence = container_of(copy, struct bt_ctf_field_type_sequence,
3123                 parent);
3124         copy_sequence->declaration = sequence->declaration;
3125         if (sequence->length_field_path) {
3126                 copy_sequence->length_field_path = bt_ctf_field_path_copy(
3127                         sequence->length_field_path);
3128                 if (!copy_sequence->length_field_path) {
3129                         goto error;
3130                 }
3131         }
3132 end:
3133         if (copy_element) {
3134                 bt_ctf_field_type_put(copy_element);
3135         }
3136
3137         return copy;
3138 error:
3139         if (copy) {
3140                 bt_ctf_field_type_put(copy);
3141                 copy = NULL;
3142         }
3143         goto end;
3144 }
3145
3146 static
3147 struct bt_ctf_field_type *bt_ctf_field_type_string_copy(
3148                 struct bt_ctf_field_type *type)
3149 {
3150         struct bt_ctf_field_type *copy;
3151         struct bt_ctf_field_type_string *string, *copy_string;
3152
3153         copy = bt_ctf_field_type_string_create();
3154         if (!copy) {
3155                 goto end;
3156         }
3157
3158         string = container_of(type, struct bt_ctf_field_type_string,
3159                 parent);
3160         copy_string = container_of(type, struct bt_ctf_field_type_string,
3161                 parent);
3162         copy_string->declaration = string->declaration;
3163 end:
3164         return copy;
3165 }