| 1 | /* |
| 2 | * field-types.c |
| 3 | * |
| 4 | * Babeltrace CTF IR - Event Types |
| 5 | * |
| 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 7 | * |
| 8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 26 | * SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | #include <babeltrace/ctf-ir/field-types-internal.h> |
| 30 | #include <babeltrace/ctf-ir/field-path-internal.h> |
| 31 | #include <babeltrace/ctf-ir/utils.h> |
| 32 | #include <babeltrace/ref.h> |
| 33 | #include <babeltrace/ctf-ir/clock-class.h> |
| 34 | #include <babeltrace/ctf-ir/clock-class-internal.h> |
| 35 | #include <babeltrace/ctf-writer/writer-internal.h> |
| 36 | #include <babeltrace/object-internal.h> |
| 37 | #include <babeltrace/ref.h> |
| 38 | #include <babeltrace/compiler-internal.h> |
| 39 | #include <babeltrace/endian-internal.h> |
| 40 | #include <float.h> |
| 41 | #include <inttypes.h> |
| 42 | #include <stdlib.h> |
| 43 | |
| 44 | struct range_overlap_query { |
| 45 | union { |
| 46 | uint64_t _unsigned; |
| 47 | int64_t _signed; |
| 48 | } range_start; |
| 49 | |
| 50 | union { |
| 51 | uint64_t _unsigned; |
| 52 | int64_t _signed; |
| 53 | } range_end; |
| 54 | int overlaps; |
| 55 | GQuark mapping_name; |
| 56 | }; |
| 57 | |
| 58 | static |
| 59 | void bt_ctf_field_type_destroy(struct bt_object *); |
| 60 | static |
| 61 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *); |
| 62 | static |
| 63 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *); |
| 64 | static |
| 65 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *); |
| 66 | static |
| 67 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *); |
| 68 | static |
| 69 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *); |
| 70 | static |
| 71 | void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *); |
| 72 | static |
| 73 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *); |
| 74 | static |
| 75 | void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *); |
| 76 | |
| 77 | static |
| 78 | void (* const type_destroy_funcs[])(struct bt_ctf_field_type *) = { |
| 79 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_destroy, |
| 80 | [BT_CTF_FIELD_TYPE_ID_ENUM] = |
| 81 | bt_ctf_field_type_enumeration_destroy, |
| 82 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = |
| 83 | bt_ctf_field_type_floating_point_destroy, |
| 84 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_destroy, |
| 85 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_destroy, |
| 86 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_destroy, |
| 87 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_destroy, |
| 88 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_type_string_destroy, |
| 89 | }; |
| 90 | |
| 91 | static |
| 92 | void generic_field_type_freeze(struct bt_ctf_field_type *); |
| 93 | static |
| 94 | void bt_ctf_field_type_integer_freeze(struct bt_ctf_field_type *); |
| 95 | static |
| 96 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *); |
| 97 | static |
| 98 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *); |
| 99 | static |
| 100 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *); |
| 101 | static |
| 102 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *); |
| 103 | static |
| 104 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *); |
| 105 | |
| 106 | static |
| 107 | type_freeze_func const type_freeze_funcs[] = { |
| 108 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_freeze, |
| 109 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_freeze, |
| 110 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = generic_field_type_freeze, |
| 111 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_freeze, |
| 112 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_freeze, |
| 113 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_freeze, |
| 114 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_freeze, |
| 115 | [BT_CTF_FIELD_TYPE_ID_STRING] = generic_field_type_freeze, |
| 116 | }; |
| 117 | |
| 118 | static |
| 119 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *, |
| 120 | struct metadata_context *); |
| 121 | static |
| 122 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *, |
| 123 | struct metadata_context *); |
| 124 | static |
| 125 | int bt_ctf_field_type_floating_point_serialize( |
| 126 | struct bt_ctf_field_type *, struct metadata_context *); |
| 127 | static |
| 128 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *, |
| 129 | struct metadata_context *); |
| 130 | static |
| 131 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *, |
| 132 | struct metadata_context *); |
| 133 | static |
| 134 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *, |
| 135 | struct metadata_context *); |
| 136 | static |
| 137 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *, |
| 138 | struct metadata_context *); |
| 139 | static |
| 140 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *, |
| 141 | struct metadata_context *); |
| 142 | |
| 143 | static |
| 144 | type_serialize_func const type_serialize_funcs[] = { |
| 145 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_serialize, |
| 146 | [BT_CTF_FIELD_TYPE_ID_ENUM] = |
| 147 | bt_ctf_field_type_enumeration_serialize, |
| 148 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = |
| 149 | bt_ctf_field_type_floating_point_serialize, |
| 150 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = |
| 151 | bt_ctf_field_type_structure_serialize, |
| 152 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_serialize, |
| 153 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_serialize, |
| 154 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_serialize, |
| 155 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_type_string_serialize, |
| 156 | }; |
| 157 | |
| 158 | static |
| 159 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *, |
| 160 | enum bt_ctf_byte_order byte_order); |
| 161 | static |
| 162 | void bt_ctf_field_type_enumeration_set_byte_order(struct bt_ctf_field_type *, |
| 163 | enum bt_ctf_byte_order byte_order); |
| 164 | static |
| 165 | void bt_ctf_field_type_floating_point_set_byte_order( |
| 166 | struct bt_ctf_field_type *, enum bt_ctf_byte_order byte_order); |
| 167 | static |
| 168 | void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *, |
| 169 | enum bt_ctf_byte_order byte_order); |
| 170 | static |
| 171 | void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *, |
| 172 | enum bt_ctf_byte_order byte_order); |
| 173 | static |
| 174 | void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *, |
| 175 | enum bt_ctf_byte_order byte_order); |
| 176 | static |
| 177 | void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *, |
| 178 | enum bt_ctf_byte_order byte_order); |
| 179 | |
| 180 | static |
| 181 | void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *, |
| 182 | enum bt_ctf_byte_order) = { |
| 183 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_set_byte_order, |
| 184 | [BT_CTF_FIELD_TYPE_ID_ENUM] = |
| 185 | bt_ctf_field_type_enumeration_set_byte_order, |
| 186 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = |
| 187 | bt_ctf_field_type_floating_point_set_byte_order, |
| 188 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = |
| 189 | bt_ctf_field_type_structure_set_byte_order, |
| 190 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_set_byte_order, |
| 191 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_set_byte_order, |
| 192 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_set_byte_order, |
| 193 | [BT_CTF_FIELD_TYPE_ID_STRING] = NULL, |
| 194 | }; |
| 195 | |
| 196 | static |
| 197 | struct bt_ctf_field_type *bt_ctf_field_type_integer_copy( |
| 198 | struct bt_ctf_field_type *); |
| 199 | static |
| 200 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy( |
| 201 | struct bt_ctf_field_type *); |
| 202 | static |
| 203 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy( |
| 204 | struct bt_ctf_field_type *); |
| 205 | static |
| 206 | struct bt_ctf_field_type *bt_ctf_field_type_structure_copy( |
| 207 | struct bt_ctf_field_type *); |
| 208 | static |
| 209 | struct bt_ctf_field_type *bt_ctf_field_type_variant_copy( |
| 210 | struct bt_ctf_field_type *); |
| 211 | static |
| 212 | struct bt_ctf_field_type *bt_ctf_field_type_array_copy( |
| 213 | struct bt_ctf_field_type *); |
| 214 | static |
| 215 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy( |
| 216 | struct bt_ctf_field_type *); |
| 217 | static |
| 218 | struct bt_ctf_field_type *bt_ctf_field_type_string_copy( |
| 219 | struct bt_ctf_field_type *); |
| 220 | |
| 221 | static |
| 222 | struct bt_ctf_field_type *(* const type_copy_funcs[])( |
| 223 | struct bt_ctf_field_type *) = { |
| 224 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_copy, |
| 225 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_copy, |
| 226 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_copy, |
| 227 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_copy, |
| 228 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_copy, |
| 229 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_copy, |
| 230 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_copy, |
| 231 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_type_string_copy, |
| 232 | }; |
| 233 | |
| 234 | static |
| 235 | int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *, |
| 236 | struct bt_ctf_field_type *); |
| 237 | static |
| 238 | int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *, |
| 239 | struct bt_ctf_field_type *); |
| 240 | static |
| 241 | int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *, |
| 242 | struct bt_ctf_field_type *); |
| 243 | static |
| 244 | int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *, |
| 245 | struct bt_ctf_field_type *); |
| 246 | static |
| 247 | int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *, |
| 248 | struct bt_ctf_field_type *); |
| 249 | static |
| 250 | int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *, |
| 251 | struct bt_ctf_field_type *); |
| 252 | static |
| 253 | int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *, |
| 254 | struct bt_ctf_field_type *); |
| 255 | static |
| 256 | int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *, |
| 257 | struct bt_ctf_field_type *); |
| 258 | |
| 259 | static |
| 260 | int (* const type_compare_funcs[])(struct bt_ctf_field_type *, |
| 261 | struct bt_ctf_field_type *) = { |
| 262 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_compare, |
| 263 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_compare, |
| 264 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_compare, |
| 265 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_compare, |
| 266 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_compare, |
| 267 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_compare, |
| 268 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_compare, |
| 269 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_type_string_compare, |
| 270 | }; |
| 271 | |
| 272 | static |
| 273 | int bt_ctf_field_type_integer_validate(struct bt_ctf_field_type *); |
| 274 | static |
| 275 | int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *); |
| 276 | static |
| 277 | int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *); |
| 278 | static |
| 279 | int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *); |
| 280 | static |
| 281 | int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *); |
| 282 | static |
| 283 | int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *); |
| 284 | |
| 285 | static |
| 286 | int (* const type_validate_funcs[])(struct bt_ctf_field_type *) = { |
| 287 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_validate, |
| 288 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = NULL, |
| 289 | [BT_CTF_FIELD_TYPE_ID_STRING] = NULL, |
| 290 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_validate, |
| 291 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_validate, |
| 292 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_validate, |
| 293 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_type_array_validate, |
| 294 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_validate, |
| 295 | }; |
| 296 | |
| 297 | static |
| 298 | void destroy_enumeration_mapping(struct enumeration_mapping *mapping) |
| 299 | { |
| 300 | g_free(mapping); |
| 301 | } |
| 302 | |
| 303 | static |
| 304 | void destroy_structure_field(struct structure_field *field) |
| 305 | { |
| 306 | bt_put(field->type); |
| 307 | g_free(field); |
| 308 | } |
| 309 | |
| 310 | static |
| 311 | void check_ranges_overlap(gpointer element, gpointer query) |
| 312 | { |
| 313 | struct enumeration_mapping *mapping = element; |
| 314 | struct range_overlap_query *overlap_query = query; |
| 315 | |
| 316 | if (mapping->range_start._signed <= overlap_query->range_end._signed |
| 317 | && overlap_query->range_start._signed <= |
| 318 | mapping->range_end._signed) { |
| 319 | overlap_query->overlaps = 1; |
| 320 | overlap_query->mapping_name = mapping->string; |
| 321 | } |
| 322 | |
| 323 | overlap_query->overlaps |= |
| 324 | mapping->string == overlap_query->mapping_name; |
| 325 | } |
| 326 | |
| 327 | static |
| 328 | void check_ranges_overlap_unsigned(gpointer element, gpointer query) |
| 329 | { |
| 330 | struct enumeration_mapping *mapping = element; |
| 331 | struct range_overlap_query *overlap_query = query; |
| 332 | |
| 333 | if (mapping->range_start._unsigned <= overlap_query->range_end._unsigned |
| 334 | && overlap_query->range_start._unsigned <= |
| 335 | mapping->range_end._unsigned) { |
| 336 | overlap_query->overlaps = 1; |
| 337 | overlap_query->mapping_name = mapping->string; |
| 338 | } |
| 339 | |
| 340 | overlap_query->overlaps |= |
| 341 | mapping->string == overlap_query->mapping_name; |
| 342 | } |
| 343 | |
| 344 | static |
| 345 | gint compare_enumeration_mappings_signed(struct enumeration_mapping **a, |
| 346 | struct enumeration_mapping **b) |
| 347 | { |
| 348 | return ((*a)->range_start._signed < (*b)->range_start._signed) ? -1 : 1; |
| 349 | } |
| 350 | |
| 351 | static |
| 352 | gint compare_enumeration_mappings_unsigned(struct enumeration_mapping **a, |
| 353 | struct enumeration_mapping **b) |
| 354 | { |
| 355 | return ((*a)->range_start._unsigned < (*b)->range_start._unsigned) ? -1 : 1; |
| 356 | } |
| 357 | |
| 358 | static |
| 359 | void bt_ctf_field_type_init(struct bt_ctf_field_type *type, bool init_bo) |
| 360 | { |
| 361 | assert(type && (type->id > BT_CTF_FIELD_TYPE_ID_UNKNOWN) && |
| 362 | (type->id < BT_CTF_NR_TYPE_IDS)); |
| 363 | |
| 364 | bt_object_init(type, bt_ctf_field_type_destroy); |
| 365 | type->freeze = type_freeze_funcs[type->id]; |
| 366 | type->serialize = type_serialize_funcs[type->id]; |
| 367 | |
| 368 | if (init_bo) { |
| 369 | int ret = bt_ctf_field_type_set_byte_order(type, |
| 370 | BT_CTF_BYTE_ORDER_NATIVE); |
| 371 | assert(ret == 0); |
| 372 | } |
| 373 | |
| 374 | type->alignment = 1; |
| 375 | } |
| 376 | |
| 377 | static |
| 378 | int add_structure_field(GPtrArray *fields, |
| 379 | GHashTable *field_name_to_index, |
| 380 | struct bt_ctf_field_type *field_type, |
| 381 | const char *field_name) |
| 382 | { |
| 383 | int ret = 0; |
| 384 | GQuark name_quark = g_quark_from_string(field_name); |
| 385 | struct structure_field *field; |
| 386 | |
| 387 | /* Make sure structure does not contain a field of the same name */ |
| 388 | if (g_hash_table_lookup_extended(field_name_to_index, |
| 389 | GUINT_TO_POINTER(name_quark), NULL, NULL)) { |
| 390 | ret = -1; |
| 391 | goto end; |
| 392 | } |
| 393 | |
| 394 | field = g_new0(struct structure_field, 1); |
| 395 | if (!field) { |
| 396 | ret = -1; |
| 397 | goto end; |
| 398 | } |
| 399 | |
| 400 | bt_get(field_type); |
| 401 | field->name = name_quark; |
| 402 | field->type = field_type; |
| 403 | g_hash_table_insert(field_name_to_index, |
| 404 | GUINT_TO_POINTER(name_quark), |
| 405 | GUINT_TO_POINTER(fields->len)); |
| 406 | g_ptr_array_add(fields, field); |
| 407 | end: |
| 408 | return ret; |
| 409 | } |
| 410 | |
| 411 | static |
| 412 | void bt_ctf_field_type_destroy(struct bt_object *obj) |
| 413 | { |
| 414 | struct bt_ctf_field_type *type; |
| 415 | enum bt_ctf_field_type_id type_id; |
| 416 | |
| 417 | type = container_of(obj, struct bt_ctf_field_type, base); |
| 418 | type_id = type->id; |
| 419 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || |
| 420 | type_id >= BT_CTF_NR_TYPE_IDS) { |
| 421 | return; |
| 422 | } |
| 423 | |
| 424 | type_destroy_funcs[type_id](type); |
| 425 | } |
| 426 | |
| 427 | static |
| 428 | int bt_ctf_field_type_integer_validate(struct bt_ctf_field_type *type) |
| 429 | { |
| 430 | int ret = 0; |
| 431 | |
| 432 | struct bt_ctf_field_type_integer *integer = |
| 433 | container_of(type, struct bt_ctf_field_type_integer, |
| 434 | parent); |
| 435 | |
| 436 | if (integer->mapped_clock && integer->is_signed) { |
| 437 | ret = -1; |
| 438 | goto end; |
| 439 | } |
| 440 | |
| 441 | end: |
| 442 | return ret; |
| 443 | } |
| 444 | |
| 445 | static |
| 446 | struct enumeration_mapping *get_enumeration_mapping( |
| 447 | struct bt_ctf_field_type *type, int index) |
| 448 | { |
| 449 | struct enumeration_mapping *mapping = NULL; |
| 450 | struct bt_ctf_field_type_enumeration *enumeration; |
| 451 | |
| 452 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, |
| 453 | parent); |
| 454 | if (index >= enumeration->entries->len) { |
| 455 | goto end; |
| 456 | } |
| 457 | |
| 458 | mapping = g_ptr_array_index(enumeration->entries, index); |
| 459 | end: |
| 460 | return mapping; |
| 461 | } |
| 462 | |
| 463 | /* |
| 464 | * Note: This algorithm is O(n^2) vs number of enumeration mappings. |
| 465 | * Only used when freezing an enumeration. |
| 466 | */ |
| 467 | static |
| 468 | void set_enumeration_range_overlap( |
| 469 | struct bt_ctf_field_type *type) |
| 470 | { |
| 471 | int i, j, len; |
| 472 | struct bt_ctf_field_type *container_type; |
| 473 | struct bt_ctf_field_type_enumeration *enumeration_type; |
| 474 | int is_signed; |
| 475 | |
| 476 | enumeration_type = container_of(type, |
| 477 | struct bt_ctf_field_type_enumeration, parent); |
| 478 | |
| 479 | len = enumeration_type->entries->len; |
| 480 | container_type = enumeration_type->container; |
| 481 | is_signed = bt_ctf_field_type_integer_get_signed(container_type); |
| 482 | |
| 483 | for (i = 0; i < len; i++) { |
| 484 | for (j = i + 1; j < len; j++) { |
| 485 | struct enumeration_mapping *mapping[2]; |
| 486 | |
| 487 | mapping[0] = get_enumeration_mapping(type, i); |
| 488 | mapping[1] = get_enumeration_mapping(type, j); |
| 489 | if (is_signed) { |
| 490 | if (mapping[0]->range_start._signed |
| 491 | <= mapping[1]->range_end._signed |
| 492 | && mapping[0]->range_end._signed |
| 493 | >= mapping[1]->range_start._signed) { |
| 494 | enumeration_type->has_overlapping_ranges = true; |
| 495 | return; |
| 496 | } |
| 497 | } else { |
| 498 | if (mapping[0]->range_start._unsigned |
| 499 | <= mapping[1]->range_end._unsigned |
| 500 | && mapping[0]->range_end._unsigned |
| 501 | >= mapping[1]->range_start._unsigned) { |
| 502 | enumeration_type->has_overlapping_ranges = true; |
| 503 | return; |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | static |
| 511 | int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *type) |
| 512 | { |
| 513 | int ret = 0; |
| 514 | |
| 515 | struct bt_ctf_field_type_enumeration *enumeration = |
| 516 | container_of(type, struct bt_ctf_field_type_enumeration, |
| 517 | parent); |
| 518 | struct bt_ctf_field_type *container_type = |
| 519 | bt_ctf_field_type_enumeration_get_container_type(type); |
| 520 | |
| 521 | if (!container_type) { |
| 522 | ret = -1; |
| 523 | goto end; |
| 524 | } |
| 525 | |
| 526 | ret = bt_ctf_field_type_validate(container_type); |
| 527 | if (ret) { |
| 528 | goto end; |
| 529 | } |
| 530 | |
| 531 | /* Ensure enum has entries */ |
| 532 | ret = enumeration->entries->len ? 0 : -1; |
| 533 | |
| 534 | end: |
| 535 | BT_PUT(container_type); |
| 536 | return ret; |
| 537 | } |
| 538 | |
| 539 | static |
| 540 | int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *type) |
| 541 | { |
| 542 | int ret = 0; |
| 543 | struct bt_ctf_field_type *element_type = NULL; |
| 544 | struct bt_ctf_field_type_sequence *sequence = |
| 545 | container_of(type, struct bt_ctf_field_type_sequence, |
| 546 | parent); |
| 547 | |
| 548 | /* Length field name should be set at this point */ |
| 549 | if (sequence->length_field_name->len == 0) { |
| 550 | ret = -1; |
| 551 | goto end; |
| 552 | } |
| 553 | |
| 554 | element_type = bt_ctf_field_type_sequence_get_element_type(type); |
| 555 | if (!element_type) { |
| 556 | ret = -1; |
| 557 | goto end; |
| 558 | } |
| 559 | |
| 560 | ret = bt_ctf_field_type_validate(element_type); |
| 561 | |
| 562 | end: |
| 563 | BT_PUT(element_type); |
| 564 | |
| 565 | return ret; |
| 566 | } |
| 567 | |
| 568 | static |
| 569 | int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *type) |
| 570 | { |
| 571 | int ret = 0; |
| 572 | struct bt_ctf_field_type *element_type = NULL; |
| 573 | |
| 574 | element_type = bt_ctf_field_type_array_get_element_type(type); |
| 575 | if (!element_type) { |
| 576 | ret = -1; |
| 577 | goto end; |
| 578 | } |
| 579 | |
| 580 | ret = bt_ctf_field_type_validate(element_type); |
| 581 | |
| 582 | end: |
| 583 | BT_PUT(element_type); |
| 584 | |
| 585 | return ret; |
| 586 | } |
| 587 | |
| 588 | static |
| 589 | int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *type) |
| 590 | { |
| 591 | int ret = 0; |
| 592 | struct bt_ctf_field_type *child_type = NULL; |
| 593 | int field_count = bt_ctf_field_type_structure_get_field_count(type); |
| 594 | int i; |
| 595 | |
| 596 | if (field_count < 0) { |
| 597 | ret = -1; |
| 598 | goto end; |
| 599 | } |
| 600 | |
| 601 | for (i = 0; i < field_count; ++i) { |
| 602 | ret = bt_ctf_field_type_structure_get_field(type, |
| 603 | NULL, &child_type, i); |
| 604 | if (ret) { |
| 605 | goto end; |
| 606 | } |
| 607 | |
| 608 | ret = bt_ctf_field_type_validate(child_type); |
| 609 | if (ret) { |
| 610 | goto end; |
| 611 | } |
| 612 | |
| 613 | BT_PUT(child_type); |
| 614 | } |
| 615 | |
| 616 | end: |
| 617 | BT_PUT(child_type); |
| 618 | |
| 619 | return ret; |
| 620 | } |
| 621 | |
| 622 | static |
| 623 | bool bt_ctf_field_type_enumeration_has_overlapping_ranges( |
| 624 | struct bt_ctf_field_type_enumeration *enumeration_type) |
| 625 | { |
| 626 | if (!enumeration_type->parent.frozen) { |
| 627 | set_enumeration_range_overlap(&enumeration_type->parent); |
| 628 | } |
| 629 | return enumeration_type->has_overlapping_ranges; |
| 630 | } |
| 631 | |
| 632 | static |
| 633 | int bt_ctf_field_type_enumeration_get_mapping_name( |
| 634 | struct bt_ctf_field_type *enum_field_type, |
| 635 | int index, |
| 636 | const char **mapping_name) |
| 637 | { |
| 638 | int ret = 0; |
| 639 | struct enumeration_mapping *mapping; |
| 640 | |
| 641 | if (!enum_field_type || index < 0) { |
| 642 | ret = -1; |
| 643 | goto end; |
| 644 | } |
| 645 | |
| 646 | mapping = get_enumeration_mapping(enum_field_type, index); |
| 647 | if (!mapping) { |
| 648 | ret = -1; |
| 649 | goto end; |
| 650 | } |
| 651 | |
| 652 | if (mapping_name) { |
| 653 | *mapping_name = g_quark_to_string(mapping->string); |
| 654 | } |
| 655 | end: |
| 656 | return ret; |
| 657 | } |
| 658 | |
| 659 | static |
| 660 | int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *type) |
| 661 | { |
| 662 | int ret = 0; |
| 663 | int field_count; |
| 664 | struct bt_ctf_field_type *child_type = NULL; |
| 665 | struct bt_ctf_field_type_variant *variant = |
| 666 | container_of(type, struct bt_ctf_field_type_variant, |
| 667 | parent); |
| 668 | int i; |
| 669 | int tag_mappings_count; |
| 670 | |
| 671 | if (variant->tag_name->len == 0 || !variant->tag) { |
| 672 | ret = -1; |
| 673 | goto end; |
| 674 | } |
| 675 | |
| 676 | if (bt_ctf_field_type_enumeration_has_overlapping_ranges( |
| 677 | variant->tag)) { |
| 678 | ret = -1; |
| 679 | goto end; |
| 680 | } |
| 681 | |
| 682 | tag_mappings_count = |
| 683 | bt_ctf_field_type_enumeration_get_mapping_count( |
| 684 | (struct bt_ctf_field_type *) variant->tag); |
| 685 | |
| 686 | if (tag_mappings_count != variant->fields->len) { |
| 687 | ret = -1; |
| 688 | goto end; |
| 689 | } |
| 690 | |
| 691 | for (i = 0; i < tag_mappings_count; ++i) { |
| 692 | const char *label; |
| 693 | struct bt_ctf_field_type *ft; |
| 694 | |
| 695 | ret = bt_ctf_field_type_enumeration_get_mapping_name( |
| 696 | (struct bt_ctf_field_type *) variant->tag, |
| 697 | i, &label); |
| 698 | if (ret) { |
| 699 | goto end; |
| 700 | } |
| 701 | if (!label) { |
| 702 | ret = -1; |
| 703 | goto end; |
| 704 | } |
| 705 | |
| 706 | ft = bt_ctf_field_type_variant_get_field_type_by_name( |
| 707 | type, label); |
| 708 | if (!ft) { |
| 709 | ret = -1; |
| 710 | goto end; |
| 711 | } |
| 712 | |
| 713 | BT_PUT(ft); |
| 714 | } |
| 715 | |
| 716 | field_count = bt_ctf_field_type_variant_get_field_count(type); |
| 717 | if (field_count < 0) { |
| 718 | ret = -1; |
| 719 | goto end; |
| 720 | } |
| 721 | |
| 722 | for (i = 0; i < field_count; ++i) { |
| 723 | ret = bt_ctf_field_type_variant_get_field(type, |
| 724 | NULL, &child_type, i); |
| 725 | if (ret) { |
| 726 | goto end; |
| 727 | } |
| 728 | |
| 729 | ret = bt_ctf_field_type_validate(child_type); |
| 730 | if (ret) { |
| 731 | goto end; |
| 732 | } |
| 733 | |
| 734 | BT_PUT(child_type); |
| 735 | } |
| 736 | |
| 737 | end: |
| 738 | BT_PUT(child_type); |
| 739 | |
| 740 | return ret; |
| 741 | } |
| 742 | |
| 743 | /* |
| 744 | * This function validates a given field type without considering |
| 745 | * where this field type is located. It only validates the properties |
| 746 | * of the given field type and the properties of its children if |
| 747 | * applicable. |
| 748 | */ |
| 749 | BT_HIDDEN |
| 750 | int bt_ctf_field_type_validate(struct bt_ctf_field_type *type) |
| 751 | { |
| 752 | int ret = 0; |
| 753 | enum bt_ctf_field_type_id id = bt_ctf_field_type_get_type_id(type); |
| 754 | |
| 755 | if (!type) { |
| 756 | ret = -1; |
| 757 | goto end; |
| 758 | } |
| 759 | |
| 760 | if (type->valid) { |
| 761 | /* Already marked as valid */ |
| 762 | goto end; |
| 763 | } |
| 764 | |
| 765 | if (type_validate_funcs[id]) { |
| 766 | ret = type_validate_funcs[id](type); |
| 767 | } |
| 768 | |
| 769 | if (!ret && type->frozen) { |
| 770 | /* Field type is valid */ |
| 771 | type->valid = 1; |
| 772 | } |
| 773 | |
| 774 | end: |
| 775 | return ret; |
| 776 | } |
| 777 | |
| 778 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) |
| 779 | { |
| 780 | struct bt_ctf_field_type_integer *integer = |
| 781 | g_new0(struct bt_ctf_field_type_integer, 1); |
| 782 | |
| 783 | if (!integer || size == 0 || size > 64) { |
| 784 | return NULL; |
| 785 | } |
| 786 | |
| 787 | integer->parent.id = BT_CTF_FIELD_TYPE_ID_INTEGER; |
| 788 | integer->size = size; |
| 789 | integer->base = BT_CTF_INTEGER_BASE_DECIMAL; |
| 790 | integer->encoding = BT_CTF_STRING_ENCODING_NONE; |
| 791 | bt_ctf_field_type_init(&integer->parent, TRUE); |
| 792 | return &integer->parent; |
| 793 | } |
| 794 | |
| 795 | int bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *type) |
| 796 | { |
| 797 | int ret = 0; |
| 798 | struct bt_ctf_field_type_integer *integer; |
| 799 | |
| 800 | if (!type || type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 801 | ret = -1; |
| 802 | goto end; |
| 803 | } |
| 804 | |
| 805 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 806 | ret = (int) integer->size; |
| 807 | end: |
| 808 | return ret; |
| 809 | } |
| 810 | |
| 811 | int bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *type) |
| 812 | { |
| 813 | int ret = 0; |
| 814 | struct bt_ctf_field_type_integer *integer; |
| 815 | |
| 816 | if (!type || type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 817 | ret = -1; |
| 818 | goto end; |
| 819 | } |
| 820 | |
| 821 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 822 | ret = integer->is_signed; |
| 823 | end: |
| 824 | return ret; |
| 825 | } |
| 826 | |
| 827 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, |
| 828 | int is_signed) |
| 829 | { |
| 830 | int ret = 0; |
| 831 | struct bt_ctf_field_type_integer *integer; |
| 832 | |
| 833 | if (!type || type->frozen || |
| 834 | type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 835 | ret = -1; |
| 836 | goto end; |
| 837 | } |
| 838 | |
| 839 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 840 | integer->is_signed = !!is_signed; |
| 841 | end: |
| 842 | return ret; |
| 843 | } |
| 844 | |
| 845 | int bt_ctf_field_type_integer_set_size(struct bt_ctf_field_type *type, |
| 846 | size_t size) |
| 847 | { |
| 848 | int ret = 0; |
| 849 | struct bt_ctf_field_type_integer *integer; |
| 850 | |
| 851 | if (!type || type->frozen || |
| 852 | type->id != BT_CTF_FIELD_TYPE_ID_INTEGER || |
| 853 | !size || size > 64) { |
| 854 | ret = -1; |
| 855 | goto end; |
| 856 | } |
| 857 | |
| 858 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 859 | integer->size = size; |
| 860 | end: |
| 861 | return ret; |
| 862 | } |
| 863 | |
| 864 | enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base( |
| 865 | struct bt_ctf_field_type *type) |
| 866 | { |
| 867 | enum bt_ctf_integer_base ret = BT_CTF_INTEGER_BASE_UNKNOWN; |
| 868 | struct bt_ctf_field_type_integer *integer; |
| 869 | |
| 870 | if (!type || type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 871 | goto end; |
| 872 | } |
| 873 | |
| 874 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 875 | ret = integer->base; |
| 876 | end: |
| 877 | return ret; |
| 878 | } |
| 879 | |
| 880 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, |
| 881 | enum bt_ctf_integer_base base) |
| 882 | { |
| 883 | int ret = 0; |
| 884 | |
| 885 | if (!type || type->frozen || |
| 886 | type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 887 | ret = -1; |
| 888 | goto end; |
| 889 | } |
| 890 | |
| 891 | switch (base) { |
| 892 | case BT_CTF_INTEGER_BASE_BINARY: |
| 893 | case BT_CTF_INTEGER_BASE_OCTAL: |
| 894 | case BT_CTF_INTEGER_BASE_DECIMAL: |
| 895 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: |
| 896 | { |
| 897 | struct bt_ctf_field_type_integer *integer = container_of(type, |
| 898 | struct bt_ctf_field_type_integer, parent); |
| 899 | integer->base = base; |
| 900 | break; |
| 901 | } |
| 902 | default: |
| 903 | ret = -1; |
| 904 | } |
| 905 | end: |
| 906 | return ret; |
| 907 | } |
| 908 | |
| 909 | enum bt_ctf_string_encoding bt_ctf_field_type_integer_get_encoding( |
| 910 | struct bt_ctf_field_type *type) |
| 911 | { |
| 912 | enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN; |
| 913 | struct bt_ctf_field_type_integer *integer; |
| 914 | |
| 915 | if (!type || type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 916 | goto end; |
| 917 | } |
| 918 | |
| 919 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 920 | ret = integer->encoding; |
| 921 | end: |
| 922 | return ret; |
| 923 | } |
| 924 | |
| 925 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, |
| 926 | enum bt_ctf_string_encoding encoding) |
| 927 | { |
| 928 | int ret = 0; |
| 929 | struct bt_ctf_field_type_integer *integer; |
| 930 | |
| 931 | if (!type || type->frozen || |
| 932 | (type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) || |
| 933 | (encoding < BT_CTF_STRING_ENCODING_NONE) || |
| 934 | (encoding >= BT_CTF_STRING_ENCODING_UNKNOWN)) { |
| 935 | ret = -1; |
| 936 | goto end; |
| 937 | } |
| 938 | |
| 939 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 940 | integer->encoding = encoding; |
| 941 | end: |
| 942 | return ret; |
| 943 | } |
| 944 | |
| 945 | struct bt_ctf_clock_class *bt_ctf_field_type_integer_get_mapped_clock_class( |
| 946 | struct bt_ctf_field_type *type) |
| 947 | { |
| 948 | struct bt_ctf_field_type_integer *integer; |
| 949 | struct bt_ctf_clock_class *clock_class = NULL; |
| 950 | |
| 951 | if (!type) { |
| 952 | goto end; |
| 953 | } |
| 954 | |
| 955 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 956 | clock_class = integer->mapped_clock; |
| 957 | bt_get(clock_class); |
| 958 | end: |
| 959 | return clock_class; |
| 960 | } |
| 961 | |
| 962 | int bt_ctf_field_type_integer_set_mapped_clock_class( |
| 963 | struct bt_ctf_field_type *type, |
| 964 | struct bt_ctf_clock_class *clock_class) |
| 965 | { |
| 966 | struct bt_ctf_field_type_integer *integer; |
| 967 | int ret = 0; |
| 968 | |
| 969 | if (!type || type->frozen || !bt_ctf_clock_class_is_valid(clock_class)) { |
| 970 | ret = -1; |
| 971 | goto end; |
| 972 | } |
| 973 | |
| 974 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 975 | bt_put(integer->mapped_clock); |
| 976 | integer->mapped_clock = bt_get(clock_class); |
| 977 | end: |
| 978 | return ret; |
| 979 | } |
| 980 | |
| 981 | static |
| 982 | void bt_ctf_field_type_enum_iter_destroy(struct bt_object *obj) |
| 983 | { |
| 984 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = |
| 985 | container_of(obj, |
| 986 | struct bt_ctf_field_type_enumeration_mapping_iterator, |
| 987 | base); |
| 988 | |
| 989 | bt_put(&iter->enumeration_type->parent); |
| 990 | g_free(iter); |
| 991 | } |
| 992 | |
| 993 | static |
| 994 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
| 995 | bt_ctf_field_type_enumeration_find_mappings_type( |
| 996 | struct bt_ctf_field_type *type, |
| 997 | enum bt_ctf_field_type_enumeration_mapping_iterator_type iterator_type) |
| 998 | { |
| 999 | struct bt_ctf_field_type_enumeration *enumeration_type; |
| 1000 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL; |
| 1001 | |
| 1002 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_ENUM)) { |
| 1003 | goto end; |
| 1004 | } |
| 1005 | |
| 1006 | enumeration_type = container_of(type, |
| 1007 | struct bt_ctf_field_type_enumeration, parent); |
| 1008 | iter = g_new0(struct bt_ctf_field_type_enumeration_mapping_iterator, 1); |
| 1009 | if (!iter) { |
| 1010 | goto end; |
| 1011 | } |
| 1012 | |
| 1013 | bt_object_init(&iter->base, bt_ctf_field_type_enum_iter_destroy); |
| 1014 | bt_get(type); |
| 1015 | iter->enumeration_type = enumeration_type; |
| 1016 | iter->index = -1; |
| 1017 | iter->type = iterator_type; |
| 1018 | end: |
| 1019 | return iter; |
| 1020 | } |
| 1021 | |
| 1022 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
| 1023 | bt_ctf_field_type_enumeration_find_mappings_by_name( |
| 1024 | struct bt_ctf_field_type *type, const char *name) |
| 1025 | { |
| 1026 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter; |
| 1027 | |
| 1028 | iter = bt_ctf_field_type_enumeration_find_mappings_type( |
| 1029 | type, ITERATOR_BY_NAME); |
| 1030 | if (!iter) { |
| 1031 | goto error; |
| 1032 | } |
| 1033 | |
| 1034 | iter->u.name_quark = g_quark_try_string(name); |
| 1035 | if (!iter->u.name_quark) { |
| 1036 | goto error; |
| 1037 | } |
| 1038 | |
| 1039 | /* Advance iterator to first entry, or leave index at -1. */ |
| 1040 | if (bt_ctf_field_type_enumeration_mapping_iterator_next(iter)) { |
| 1041 | /* No entry found. */ |
| 1042 | goto error; |
| 1043 | } |
| 1044 | |
| 1045 | return iter; |
| 1046 | error: |
| 1047 | bt_put(iter); |
| 1048 | return NULL; |
| 1049 | } |
| 1050 | |
| 1051 | int bt_ctf_field_type_enumeration_mapping_iterator_next( |
| 1052 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter) |
| 1053 | { |
| 1054 | struct bt_ctf_field_type_enumeration *enumeration; |
| 1055 | struct bt_ctf_field_type *type; |
| 1056 | int i, ret = 0, len; |
| 1057 | |
| 1058 | enumeration = iter->enumeration_type; |
| 1059 | type = &enumeration->parent; |
| 1060 | len = enumeration->entries->len; |
| 1061 | for (i = iter->index + 1; i < len; i++) { |
| 1062 | struct enumeration_mapping *mapping = |
| 1063 | get_enumeration_mapping(type, i); |
| 1064 | |
| 1065 | switch (iter->type) { |
| 1066 | case ITERATOR_BY_NAME: |
| 1067 | if (mapping->string == iter->u.name_quark) { |
| 1068 | iter->index = i; |
| 1069 | goto end; |
| 1070 | } |
| 1071 | break; |
| 1072 | case ITERATOR_BY_SIGNED_VALUE: |
| 1073 | { |
| 1074 | int64_t value = iter->u.signed_value; |
| 1075 | |
| 1076 | if (value >= mapping->range_start._signed && |
| 1077 | value <= mapping->range_end._signed) { |
| 1078 | iter->index = i; |
| 1079 | goto end; |
| 1080 | } |
| 1081 | break; |
| 1082 | } |
| 1083 | case ITERATOR_BY_UNSIGNED_VALUE: |
| 1084 | { |
| 1085 | uint64_t value = iter->u.unsigned_value; |
| 1086 | |
| 1087 | if (value >= mapping->range_start._unsigned && |
| 1088 | value <= mapping->range_end._unsigned) { |
| 1089 | iter->index = i; |
| 1090 | goto end; |
| 1091 | } |
| 1092 | break; |
| 1093 | } |
| 1094 | default: |
| 1095 | abort(); |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | ret = -1; |
| 1100 | end: |
| 1101 | return ret; |
| 1102 | } |
| 1103 | |
| 1104 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
| 1105 | bt_ctf_field_type_enumeration_find_mappings_by_signed_value( |
| 1106 | struct bt_ctf_field_type *type, int64_t value) |
| 1107 | { |
| 1108 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter; |
| 1109 | |
| 1110 | iter = bt_ctf_field_type_enumeration_find_mappings_type( |
| 1111 | type, ITERATOR_BY_SIGNED_VALUE); |
| 1112 | if (!iter) { |
| 1113 | goto error; |
| 1114 | } |
| 1115 | |
| 1116 | if (bt_ctf_field_type_integer_get_signed( |
| 1117 | iter->enumeration_type->container) != 1) { |
| 1118 | goto error; |
| 1119 | } |
| 1120 | iter->u.signed_value = value; |
| 1121 | |
| 1122 | /* Advance iterator to first entry, or leave index at -1. */ |
| 1123 | if (bt_ctf_field_type_enumeration_mapping_iterator_next(iter)) { |
| 1124 | /* No entry found. */ |
| 1125 | goto error; |
| 1126 | } |
| 1127 | |
| 1128 | return iter; |
| 1129 | error: |
| 1130 | bt_put(iter); |
| 1131 | return NULL; |
| 1132 | } |
| 1133 | |
| 1134 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
| 1135 | bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value( |
| 1136 | struct bt_ctf_field_type *type, uint64_t value) |
| 1137 | { |
| 1138 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter; |
| 1139 | |
| 1140 | iter = bt_ctf_field_type_enumeration_find_mappings_type( |
| 1141 | type, ITERATOR_BY_UNSIGNED_VALUE); |
| 1142 | if (!iter) { |
| 1143 | goto error; |
| 1144 | } |
| 1145 | |
| 1146 | if (bt_ctf_field_type_integer_get_signed( |
| 1147 | iter->enumeration_type->container) != 0) { |
| 1148 | goto error; |
| 1149 | } |
| 1150 | iter->u.unsigned_value = value; |
| 1151 | |
| 1152 | /* Advance iterator to first entry, or leave index at -1. */ |
| 1153 | if (bt_ctf_field_type_enumeration_mapping_iterator_next(iter)) { |
| 1154 | /* No entry found. */ |
| 1155 | goto error; |
| 1156 | } |
| 1157 | |
| 1158 | return iter; |
| 1159 | error: |
| 1160 | bt_put(iter); |
| 1161 | return NULL; |
| 1162 | } |
| 1163 | |
| 1164 | int bt_ctf_field_type_enumeration_mapping_iterator_get_signed( |
| 1165 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter, |
| 1166 | const char **mapping_name, int64_t *range_begin, |
| 1167 | int64_t *range_end) |
| 1168 | { |
| 1169 | int ret = 0; |
| 1170 | |
| 1171 | if (!iter) { |
| 1172 | ret = -1; |
| 1173 | goto end; |
| 1174 | } |
| 1175 | |
| 1176 | ret = bt_ctf_field_type_enumeration_get_mapping_signed( |
| 1177 | &iter->enumeration_type->parent, iter->index, |
| 1178 | mapping_name, range_begin, range_end); |
| 1179 | end: |
| 1180 | return ret; |
| 1181 | } |
| 1182 | |
| 1183 | int bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned( |
| 1184 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter, |
| 1185 | const char **mapping_name, uint64_t *range_begin, |
| 1186 | uint64_t *range_end) |
| 1187 | { |
| 1188 | int ret = 0; |
| 1189 | |
| 1190 | if (!iter) { |
| 1191 | ret = -1; |
| 1192 | goto end; |
| 1193 | } |
| 1194 | |
| 1195 | ret = bt_ctf_field_type_enumeration_get_mapping_unsigned( |
| 1196 | &iter->enumeration_type->parent, iter->index, |
| 1197 | mapping_name, range_begin, range_end); |
| 1198 | end: |
| 1199 | return ret; |
| 1200 | } |
| 1201 | |
| 1202 | int bt_ctf_field_type_enumeration_get_mapping_signed( |
| 1203 | struct bt_ctf_field_type *enum_field_type, |
| 1204 | int index, |
| 1205 | const char **mapping_name, int64_t *range_begin, |
| 1206 | int64_t *range_end) |
| 1207 | { |
| 1208 | int ret = 0; |
| 1209 | struct enumeration_mapping *mapping; |
| 1210 | |
| 1211 | if (!enum_field_type || index < 0) { |
| 1212 | ret = -1; |
| 1213 | goto end; |
| 1214 | } |
| 1215 | |
| 1216 | mapping = get_enumeration_mapping(enum_field_type, index); |
| 1217 | if (!mapping) { |
| 1218 | ret = -1; |
| 1219 | goto end; |
| 1220 | } |
| 1221 | |
| 1222 | if (mapping_name) { |
| 1223 | *mapping_name = g_quark_to_string(mapping->string); |
| 1224 | } |
| 1225 | |
| 1226 | if (range_begin) { |
| 1227 | *range_begin = mapping->range_start._signed; |
| 1228 | } |
| 1229 | |
| 1230 | if (range_end) { |
| 1231 | *range_end = mapping->range_end._signed; |
| 1232 | } |
| 1233 | end: |
| 1234 | return ret; |
| 1235 | } |
| 1236 | |
| 1237 | int bt_ctf_field_type_enumeration_get_mapping_unsigned( |
| 1238 | struct bt_ctf_field_type *enum_field_type, |
| 1239 | int index, |
| 1240 | const char **mapping_name, uint64_t *range_begin, |
| 1241 | uint64_t *range_end) |
| 1242 | { |
| 1243 | int ret = 0; |
| 1244 | struct enumeration_mapping *mapping; |
| 1245 | |
| 1246 | if (!enum_field_type || index < 0) { |
| 1247 | ret = -1; |
| 1248 | goto end; |
| 1249 | } |
| 1250 | |
| 1251 | mapping = get_enumeration_mapping(enum_field_type, index); |
| 1252 | if (!mapping) { |
| 1253 | ret = -1; |
| 1254 | goto end; |
| 1255 | } |
| 1256 | |
| 1257 | if (mapping_name) { |
| 1258 | *mapping_name = g_quark_to_string(mapping->string); |
| 1259 | } |
| 1260 | |
| 1261 | if (range_begin) { |
| 1262 | *range_begin = mapping->range_start._unsigned; |
| 1263 | } |
| 1264 | |
| 1265 | if (range_end) { |
| 1266 | *range_end = mapping->range_end._unsigned; |
| 1267 | } |
| 1268 | end: |
| 1269 | return ret; |
| 1270 | } |
| 1271 | |
| 1272 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( |
| 1273 | struct bt_ctf_field_type *integer_container_type) |
| 1274 | { |
| 1275 | struct bt_ctf_field_type_enumeration *enumeration = NULL; |
| 1276 | |
| 1277 | if (!integer_container_type) { |
| 1278 | goto error; |
| 1279 | } |
| 1280 | |
| 1281 | if (integer_container_type->id != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 1282 | goto error; |
| 1283 | } |
| 1284 | |
| 1285 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); |
| 1286 | if (!enumeration) { |
| 1287 | goto error; |
| 1288 | } |
| 1289 | |
| 1290 | enumeration->parent.id = BT_CTF_FIELD_TYPE_ID_ENUM; |
| 1291 | bt_get(integer_container_type); |
| 1292 | enumeration->container = integer_container_type; |
| 1293 | enumeration->entries = g_ptr_array_new_with_free_func( |
| 1294 | (GDestroyNotify)destroy_enumeration_mapping); |
| 1295 | bt_ctf_field_type_init(&enumeration->parent, FALSE); |
| 1296 | return &enumeration->parent; |
| 1297 | error: |
| 1298 | g_free(enumeration); |
| 1299 | return NULL; |
| 1300 | } |
| 1301 | |
| 1302 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type( |
| 1303 | struct bt_ctf_field_type *type) |
| 1304 | { |
| 1305 | struct bt_ctf_field_type *container_type = NULL; |
| 1306 | struct bt_ctf_field_type_enumeration *enumeration_type; |
| 1307 | |
| 1308 | if (!type) { |
| 1309 | goto end; |
| 1310 | } |
| 1311 | |
| 1312 | if (type->id != BT_CTF_FIELD_TYPE_ID_ENUM) { |
| 1313 | goto end; |
| 1314 | } |
| 1315 | |
| 1316 | enumeration_type = container_of(type, |
| 1317 | struct bt_ctf_field_type_enumeration, parent); |
| 1318 | container_type = enumeration_type->container; |
| 1319 | bt_get(container_type); |
| 1320 | end: |
| 1321 | return container_type; |
| 1322 | } |
| 1323 | |
| 1324 | int bt_ctf_field_type_enumeration_add_mapping( |
| 1325 | struct bt_ctf_field_type *type, const char *string, |
| 1326 | int64_t range_start, int64_t range_end) |
| 1327 | { |
| 1328 | int ret = 0; |
| 1329 | GQuark mapping_name; |
| 1330 | struct enumeration_mapping *mapping; |
| 1331 | struct bt_ctf_field_type_enumeration *enumeration; |
| 1332 | char *escaped_string; |
| 1333 | |
| 1334 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_ENUM) || |
| 1335 | type->frozen || |
| 1336 | (range_end < range_start)) { |
| 1337 | ret = -1; |
| 1338 | goto end; |
| 1339 | } |
| 1340 | |
| 1341 | if (!string || strlen(string) == 0) { |
| 1342 | ret = -1; |
| 1343 | goto end; |
| 1344 | } |
| 1345 | |
| 1346 | escaped_string = g_strescape(string, NULL); |
| 1347 | if (!escaped_string) { |
| 1348 | ret = -1; |
| 1349 | goto end; |
| 1350 | } |
| 1351 | |
| 1352 | mapping = g_new(struct enumeration_mapping, 1); |
| 1353 | if (!mapping) { |
| 1354 | ret = -1; |
| 1355 | goto error_free; |
| 1356 | } |
| 1357 | mapping_name = g_quark_from_string(escaped_string); |
| 1358 | *mapping = (struct enumeration_mapping) { |
| 1359 | .range_start._signed = range_start, |
| 1360 | .range_end._signed = range_end, |
| 1361 | .string = mapping_name, |
| 1362 | }; |
| 1363 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, |
| 1364 | parent); |
| 1365 | g_ptr_array_add(enumeration->entries, mapping); |
| 1366 | g_ptr_array_sort(enumeration->entries, |
| 1367 | (GCompareFunc)compare_enumeration_mappings_signed); |
| 1368 | error_free: |
| 1369 | free(escaped_string); |
| 1370 | end: |
| 1371 | return ret; |
| 1372 | } |
| 1373 | |
| 1374 | int bt_ctf_field_type_enumeration_add_mapping_unsigned( |
| 1375 | struct bt_ctf_field_type *type, const char *string, |
| 1376 | uint64_t range_start, uint64_t range_end) |
| 1377 | { |
| 1378 | int ret = 0; |
| 1379 | GQuark mapping_name; |
| 1380 | struct enumeration_mapping *mapping; |
| 1381 | struct bt_ctf_field_type_enumeration *enumeration; |
| 1382 | char *escaped_string; |
| 1383 | |
| 1384 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_ENUM) || |
| 1385 | type->frozen || |
| 1386 | (range_end < range_start)) { |
| 1387 | ret = -1; |
| 1388 | goto end; |
| 1389 | } |
| 1390 | |
| 1391 | if (!string || strlen(string) == 0) { |
| 1392 | ret = -1; |
| 1393 | goto end; |
| 1394 | } |
| 1395 | |
| 1396 | escaped_string = g_strescape(string, NULL); |
| 1397 | if (!escaped_string) { |
| 1398 | ret = -1; |
| 1399 | goto end; |
| 1400 | } |
| 1401 | |
| 1402 | mapping = g_new(struct enumeration_mapping, 1); |
| 1403 | if (!mapping) { |
| 1404 | ret = -1; |
| 1405 | goto error_free; |
| 1406 | } |
| 1407 | mapping_name = g_quark_from_string(escaped_string); |
| 1408 | *mapping = (struct enumeration_mapping) { |
| 1409 | .range_start._unsigned = range_start, |
| 1410 | .range_end._unsigned = range_end, |
| 1411 | .string = mapping_name, |
| 1412 | }; |
| 1413 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, |
| 1414 | parent); |
| 1415 | g_ptr_array_add(enumeration->entries, mapping); |
| 1416 | g_ptr_array_sort(enumeration->entries, |
| 1417 | (GCompareFunc)compare_enumeration_mappings_unsigned); |
| 1418 | error_free: |
| 1419 | free(escaped_string); |
| 1420 | end: |
| 1421 | return ret; |
| 1422 | } |
| 1423 | |
| 1424 | int bt_ctf_field_type_enumeration_get_mapping_count( |
| 1425 | struct bt_ctf_field_type *type) |
| 1426 | { |
| 1427 | int ret = 0; |
| 1428 | struct bt_ctf_field_type_enumeration *enumeration; |
| 1429 | |
| 1430 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_ENUM)) { |
| 1431 | ret = -1; |
| 1432 | goto end; |
| 1433 | } |
| 1434 | |
| 1435 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, |
| 1436 | parent); |
| 1437 | ret = (int) enumeration->entries->len; |
| 1438 | end: |
| 1439 | return ret; |
| 1440 | } |
| 1441 | |
| 1442 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) |
| 1443 | { |
| 1444 | struct bt_ctf_field_type_floating_point *floating_point = |
| 1445 | g_new0(struct bt_ctf_field_type_floating_point, 1); |
| 1446 | |
| 1447 | if (!floating_point) { |
| 1448 | goto end; |
| 1449 | } |
| 1450 | |
| 1451 | floating_point->parent.id = BT_CTF_FIELD_TYPE_ID_FLOAT; |
| 1452 | floating_point->exp_dig = sizeof(float) * CHAR_BIT - FLT_MANT_DIG; |
| 1453 | floating_point->mant_dig = FLT_MANT_DIG; |
| 1454 | bt_ctf_field_type_init(&floating_point->parent, TRUE); |
| 1455 | end: |
| 1456 | return floating_point ? &floating_point->parent : NULL; |
| 1457 | } |
| 1458 | |
| 1459 | int bt_ctf_field_type_floating_point_get_exponent_digits( |
| 1460 | struct bt_ctf_field_type *type) |
| 1461 | { |
| 1462 | int ret = 0; |
| 1463 | struct bt_ctf_field_type_floating_point *floating_point; |
| 1464 | |
| 1465 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_FLOAT)) { |
| 1466 | ret = -1; |
| 1467 | goto end; |
| 1468 | } |
| 1469 | |
| 1470 | floating_point = container_of(type, |
| 1471 | struct bt_ctf_field_type_floating_point, parent); |
| 1472 | ret = (int) floating_point->exp_dig; |
| 1473 | end: |
| 1474 | return ret; |
| 1475 | } |
| 1476 | |
| 1477 | int bt_ctf_field_type_floating_point_set_exponent_digits( |
| 1478 | struct bt_ctf_field_type *type, |
| 1479 | unsigned int exponent_digits) |
| 1480 | { |
| 1481 | int ret = 0; |
| 1482 | struct bt_ctf_field_type_floating_point *floating_point; |
| 1483 | |
| 1484 | if (!type || type->frozen || |
| 1485 | (type->id != BT_CTF_FIELD_TYPE_ID_FLOAT)) { |
| 1486 | ret = -1; |
| 1487 | goto end; |
| 1488 | } |
| 1489 | |
| 1490 | floating_point = container_of(type, |
| 1491 | struct bt_ctf_field_type_floating_point, parent); |
| 1492 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && |
| 1493 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && |
| 1494 | (exponent_digits != |
| 1495 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { |
| 1496 | ret = -1; |
| 1497 | goto end; |
| 1498 | } |
| 1499 | |
| 1500 | floating_point->exp_dig = exponent_digits; |
| 1501 | end: |
| 1502 | return ret; |
| 1503 | } |
| 1504 | |
| 1505 | int bt_ctf_field_type_floating_point_get_mantissa_digits( |
| 1506 | struct bt_ctf_field_type *type) |
| 1507 | { |
| 1508 | int ret = 0; |
| 1509 | struct bt_ctf_field_type_floating_point *floating_point; |
| 1510 | |
| 1511 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_FLOAT)) { |
| 1512 | ret = -1; |
| 1513 | goto end; |
| 1514 | } |
| 1515 | |
| 1516 | floating_point = container_of(type, |
| 1517 | struct bt_ctf_field_type_floating_point, parent); |
| 1518 | ret = (int) floating_point->mant_dig; |
| 1519 | end: |
| 1520 | return ret; |
| 1521 | } |
| 1522 | |
| 1523 | int bt_ctf_field_type_floating_point_set_mantissa_digits( |
| 1524 | struct bt_ctf_field_type *type, |
| 1525 | unsigned int mantissa_digits) |
| 1526 | { |
| 1527 | int ret = 0; |
| 1528 | struct bt_ctf_field_type_floating_point *floating_point; |
| 1529 | |
| 1530 | if (!type || type->frozen || |
| 1531 | (type->id != BT_CTF_FIELD_TYPE_ID_FLOAT)) { |
| 1532 | ret = -1; |
| 1533 | goto end; |
| 1534 | } |
| 1535 | |
| 1536 | floating_point = container_of(type, |
| 1537 | struct bt_ctf_field_type_floating_point, parent); |
| 1538 | |
| 1539 | if ((mantissa_digits != FLT_MANT_DIG) && |
| 1540 | (mantissa_digits != DBL_MANT_DIG) && |
| 1541 | (mantissa_digits != LDBL_MANT_DIG)) { |
| 1542 | ret = -1; |
| 1543 | goto end; |
| 1544 | } |
| 1545 | |
| 1546 | floating_point->mant_dig = mantissa_digits; |
| 1547 | end: |
| 1548 | return ret; |
| 1549 | } |
| 1550 | |
| 1551 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) |
| 1552 | { |
| 1553 | struct bt_ctf_field_type_structure *structure = |
| 1554 | g_new0(struct bt_ctf_field_type_structure, 1); |
| 1555 | |
| 1556 | if (!structure) { |
| 1557 | goto error; |
| 1558 | } |
| 1559 | |
| 1560 | structure->parent.id = BT_CTF_FIELD_TYPE_ID_STRUCT; |
| 1561 | structure->fields = g_ptr_array_new_with_free_func( |
| 1562 | (GDestroyNotify)destroy_structure_field); |
| 1563 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); |
| 1564 | bt_ctf_field_type_init(&structure->parent, TRUE); |
| 1565 | return &structure->parent; |
| 1566 | error: |
| 1567 | return NULL; |
| 1568 | } |
| 1569 | |
| 1570 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, |
| 1571 | struct bt_ctf_field_type *field_type, |
| 1572 | const char *field_name) |
| 1573 | { |
| 1574 | int ret = 0; |
| 1575 | struct bt_ctf_field_type_structure *structure; |
| 1576 | |
| 1577 | /* |
| 1578 | * TODO: check that `field_type` does not contain `type`, |
| 1579 | * recursively. |
| 1580 | */ |
| 1581 | if (!type || !field_type || type->frozen || |
| 1582 | bt_ctf_validate_identifier(field_name) || |
| 1583 | (type->id != BT_CTF_FIELD_TYPE_ID_STRUCT) || |
| 1584 | type == field_type) { |
| 1585 | ret = -1; |
| 1586 | goto end; |
| 1587 | } |
| 1588 | |
| 1589 | structure = container_of(type, |
| 1590 | struct bt_ctf_field_type_structure, parent); |
| 1591 | if (add_structure_field(structure->fields, |
| 1592 | structure->field_name_to_index, field_type, field_name)) { |
| 1593 | ret = -1; |
| 1594 | goto end; |
| 1595 | } |
| 1596 | end: |
| 1597 | return ret; |
| 1598 | } |
| 1599 | |
| 1600 | int bt_ctf_field_type_structure_get_field_count( |
| 1601 | struct bt_ctf_field_type *type) |
| 1602 | { |
| 1603 | int ret = 0; |
| 1604 | struct bt_ctf_field_type_structure *structure; |
| 1605 | |
| 1606 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_STRUCT)) { |
| 1607 | ret = -1; |
| 1608 | goto end; |
| 1609 | } |
| 1610 | |
| 1611 | structure = container_of(type, struct bt_ctf_field_type_structure, |
| 1612 | parent); |
| 1613 | ret = (int) structure->fields->len; |
| 1614 | end: |
| 1615 | return ret; |
| 1616 | } |
| 1617 | |
| 1618 | int bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *type, |
| 1619 | const char **field_name, struct bt_ctf_field_type **field_type, |
| 1620 | int index) |
| 1621 | { |
| 1622 | struct bt_ctf_field_type_structure *structure; |
| 1623 | struct structure_field *field; |
| 1624 | int ret = 0; |
| 1625 | |
| 1626 | if (!type || index < 0 || |
| 1627 | (type->id != BT_CTF_FIELD_TYPE_ID_STRUCT)) { |
| 1628 | ret = -1; |
| 1629 | goto end; |
| 1630 | } |
| 1631 | |
| 1632 | structure = container_of(type, struct bt_ctf_field_type_structure, |
| 1633 | parent); |
| 1634 | if (index >= structure->fields->len) { |
| 1635 | ret = -1; |
| 1636 | goto end; |
| 1637 | } |
| 1638 | |
| 1639 | field = g_ptr_array_index(structure->fields, index); |
| 1640 | if (field_type) { |
| 1641 | *field_type = field->type; |
| 1642 | bt_get(field->type); |
| 1643 | } |
| 1644 | if (field_name) { |
| 1645 | *field_name = g_quark_to_string(field->name); |
| 1646 | } |
| 1647 | end: |
| 1648 | return ret; |
| 1649 | } |
| 1650 | |
| 1651 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name( |
| 1652 | struct bt_ctf_field_type *type, |
| 1653 | const char *name) |
| 1654 | { |
| 1655 | size_t index; |
| 1656 | GQuark name_quark; |
| 1657 | struct structure_field *field; |
| 1658 | struct bt_ctf_field_type_structure *structure; |
| 1659 | struct bt_ctf_field_type *field_type = NULL; |
| 1660 | |
| 1661 | if (!type || !name) { |
| 1662 | goto end; |
| 1663 | } |
| 1664 | |
| 1665 | name_quark = g_quark_try_string(name); |
| 1666 | if (!name_quark) { |
| 1667 | goto end; |
| 1668 | } |
| 1669 | |
| 1670 | structure = container_of(type, struct bt_ctf_field_type_structure, |
| 1671 | parent); |
| 1672 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 1673 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { |
| 1674 | goto end; |
| 1675 | } |
| 1676 | |
| 1677 | field = structure->fields->pdata[index]; |
| 1678 | field_type = field->type; |
| 1679 | bt_get(field_type); |
| 1680 | end: |
| 1681 | return field_type; |
| 1682 | } |
| 1683 | |
| 1684 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( |
| 1685 | struct bt_ctf_field_type *enum_tag, const char *tag_name) |
| 1686 | { |
| 1687 | struct bt_ctf_field_type_variant *variant = NULL; |
| 1688 | |
| 1689 | if (tag_name && bt_ctf_validate_identifier(tag_name)) { |
| 1690 | goto error; |
| 1691 | } |
| 1692 | |
| 1693 | variant = g_new0(struct bt_ctf_field_type_variant, 1); |
| 1694 | if (!variant) { |
| 1695 | goto error; |
| 1696 | } |
| 1697 | |
| 1698 | variant->parent.id = BT_CTF_FIELD_TYPE_ID_VARIANT; |
| 1699 | variant->tag_name = g_string_new(tag_name); |
| 1700 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); |
| 1701 | variant->fields = g_ptr_array_new_with_free_func( |
| 1702 | (GDestroyNotify) destroy_structure_field); |
| 1703 | if (enum_tag) { |
| 1704 | bt_get(enum_tag); |
| 1705 | variant->tag = container_of(enum_tag, |
| 1706 | struct bt_ctf_field_type_enumeration, parent); |
| 1707 | } |
| 1708 | |
| 1709 | bt_ctf_field_type_init(&variant->parent, TRUE); |
| 1710 | /* A variant's alignment is undefined */ |
| 1711 | variant->parent.alignment = 0; |
| 1712 | return &variant->parent; |
| 1713 | error: |
| 1714 | return NULL; |
| 1715 | } |
| 1716 | |
| 1717 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type( |
| 1718 | struct bt_ctf_field_type *type) |
| 1719 | { |
| 1720 | struct bt_ctf_field_type_variant *variant; |
| 1721 | struct bt_ctf_field_type *tag_type = NULL; |
| 1722 | |
| 1723 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_VARIANT)) { |
| 1724 | goto end; |
| 1725 | } |
| 1726 | |
| 1727 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); |
| 1728 | if (!variant->tag) { |
| 1729 | goto end; |
| 1730 | } |
| 1731 | |
| 1732 | tag_type = &variant->tag->parent; |
| 1733 | bt_get(tag_type); |
| 1734 | end: |
| 1735 | return tag_type; |
| 1736 | } |
| 1737 | |
| 1738 | const char *bt_ctf_field_type_variant_get_tag_name( |
| 1739 | struct bt_ctf_field_type *type) |
| 1740 | { |
| 1741 | struct bt_ctf_field_type_variant *variant; |
| 1742 | const char *tag_name = NULL; |
| 1743 | |
| 1744 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_VARIANT)) { |
| 1745 | goto end; |
| 1746 | } |
| 1747 | |
| 1748 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); |
| 1749 | if (variant->tag_name->len == 0) { |
| 1750 | goto end; |
| 1751 | } |
| 1752 | |
| 1753 | tag_name = variant->tag_name->str; |
| 1754 | end: |
| 1755 | return tag_name; |
| 1756 | } |
| 1757 | |
| 1758 | int bt_ctf_field_type_variant_set_tag_name( |
| 1759 | struct bt_ctf_field_type *type, const char *name) |
| 1760 | { |
| 1761 | int ret = 0; |
| 1762 | struct bt_ctf_field_type_variant *variant; |
| 1763 | |
| 1764 | if (!type || type->frozen || |
| 1765 | (type->id != BT_CTF_FIELD_TYPE_ID_VARIANT) || |
| 1766 | bt_ctf_validate_identifier(name)) { |
| 1767 | ret = -1; |
| 1768 | goto end; |
| 1769 | } |
| 1770 | |
| 1771 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); |
| 1772 | g_string_assign(variant->tag_name, name); |
| 1773 | end: |
| 1774 | return ret; |
| 1775 | } |
| 1776 | |
| 1777 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, |
| 1778 | struct bt_ctf_field_type *field_type, |
| 1779 | const char *field_name) |
| 1780 | { |
| 1781 | size_t i; |
| 1782 | int ret = 0; |
| 1783 | struct bt_ctf_field_type_variant *variant; |
| 1784 | GQuark field_name_quark = g_quark_from_string(field_name); |
| 1785 | |
| 1786 | /* |
| 1787 | * TODO: check that `field_type` does not contain `type`, |
| 1788 | * recursively. |
| 1789 | */ |
| 1790 | if (!type || !field_type || type->frozen || |
| 1791 | bt_ctf_validate_identifier(field_name) || |
| 1792 | (type->id != BT_CTF_FIELD_TYPE_ID_VARIANT) || |
| 1793 | type == field_type) { |
| 1794 | ret = -1; |
| 1795 | goto end; |
| 1796 | } |
| 1797 | |
| 1798 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); |
| 1799 | |
| 1800 | /* The user has explicitly provided a tag; validate against it. */ |
| 1801 | if (variant->tag) { |
| 1802 | int name_found = 0; |
| 1803 | |
| 1804 | /* Make sure this name is present in the enum tag */ |
| 1805 | for (i = 0; i < variant->tag->entries->len; i++) { |
| 1806 | struct enumeration_mapping *mapping = |
| 1807 | g_ptr_array_index(variant->tag->entries, i); |
| 1808 | |
| 1809 | if (mapping->string == field_name_quark) { |
| 1810 | name_found = 1; |
| 1811 | break; |
| 1812 | } |
| 1813 | } |
| 1814 | |
| 1815 | if (!name_found) { |
| 1816 | /* Validation failed */ |
| 1817 | ret = -1; |
| 1818 | goto end; |
| 1819 | } |
| 1820 | } |
| 1821 | |
| 1822 | if (add_structure_field(variant->fields, variant->field_name_to_index, |
| 1823 | field_type, field_name)) { |
| 1824 | ret = -1; |
| 1825 | goto end; |
| 1826 | } |
| 1827 | end: |
| 1828 | return ret; |
| 1829 | } |
| 1830 | |
| 1831 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name( |
| 1832 | struct bt_ctf_field_type *type, |
| 1833 | const char *field_name) |
| 1834 | { |
| 1835 | size_t index; |
| 1836 | GQuark name_quark; |
| 1837 | struct structure_field *field; |
| 1838 | struct bt_ctf_field_type_variant *variant; |
| 1839 | struct bt_ctf_field_type *field_type = NULL; |
| 1840 | |
| 1841 | if (!type || !field_name) { |
| 1842 | goto end; |
| 1843 | } |
| 1844 | |
| 1845 | name_quark = g_quark_try_string(field_name); |
| 1846 | if (!name_quark) { |
| 1847 | goto end; |
| 1848 | } |
| 1849 | |
| 1850 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); |
| 1851 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, |
| 1852 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { |
| 1853 | goto end; |
| 1854 | } |
| 1855 | |
| 1856 | field = g_ptr_array_index(variant->fields, index); |
| 1857 | field_type = field->type; |
| 1858 | bt_get(field_type); |
| 1859 | end: |
| 1860 | return field_type; |
| 1861 | } |
| 1862 | |
| 1863 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag( |
| 1864 | struct bt_ctf_field_type *type, |
| 1865 | struct bt_ctf_field *tag) |
| 1866 | { |
| 1867 | int ret; |
| 1868 | const char *enum_value; |
| 1869 | struct bt_ctf_field_type *field_type = NULL; |
| 1870 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL; |
| 1871 | |
| 1872 | if (!type || !tag || type->id != BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 1873 | goto end; |
| 1874 | } |
| 1875 | |
| 1876 | iter = bt_ctf_field_enumeration_get_mappings(tag); |
| 1877 | if (!iter) { |
| 1878 | goto end; |
| 1879 | } |
| 1880 | |
| 1881 | ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, |
| 1882 | &enum_value, NULL, NULL); |
| 1883 | if (ret) { |
| 1884 | goto end; |
| 1885 | } |
| 1886 | |
| 1887 | field_type = bt_ctf_field_type_variant_get_field_type_by_name( |
| 1888 | type, enum_value); |
| 1889 | end: |
| 1890 | bt_put(iter); |
| 1891 | return field_type; |
| 1892 | } |
| 1893 | |
| 1894 | int bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *type) |
| 1895 | { |
| 1896 | int ret = 0; |
| 1897 | struct bt_ctf_field_type_variant *variant; |
| 1898 | |
| 1899 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_VARIANT)) { |
| 1900 | ret = -1; |
| 1901 | goto end; |
| 1902 | } |
| 1903 | |
| 1904 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 1905 | parent); |
| 1906 | ret = (int) variant->fields->len; |
| 1907 | end: |
| 1908 | return ret; |
| 1909 | |
| 1910 | } |
| 1911 | |
| 1912 | int bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *type, |
| 1913 | const char **field_name, struct bt_ctf_field_type **field_type, |
| 1914 | int index) |
| 1915 | { |
| 1916 | struct bt_ctf_field_type_variant *variant; |
| 1917 | struct structure_field *field; |
| 1918 | int ret = 0; |
| 1919 | |
| 1920 | if (!type || index < 0 || |
| 1921 | (type->id != BT_CTF_FIELD_TYPE_ID_VARIANT)) { |
| 1922 | ret = -1; |
| 1923 | goto end; |
| 1924 | } |
| 1925 | |
| 1926 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 1927 | parent); |
| 1928 | if (index >= variant->fields->len) { |
| 1929 | ret = -1; |
| 1930 | goto end; |
| 1931 | } |
| 1932 | |
| 1933 | field = g_ptr_array_index(variant->fields, index); |
| 1934 | if (field_type) { |
| 1935 | *field_type = field->type; |
| 1936 | bt_get(field->type); |
| 1937 | } |
| 1938 | if (field_name) { |
| 1939 | *field_name = g_quark_to_string(field->name); |
| 1940 | } |
| 1941 | end: |
| 1942 | return ret; |
| 1943 | } |
| 1944 | |
| 1945 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( |
| 1946 | struct bt_ctf_field_type *element_type, |
| 1947 | unsigned int length) |
| 1948 | { |
| 1949 | struct bt_ctf_field_type_array *array = NULL; |
| 1950 | |
| 1951 | if (!element_type || length == 0) { |
| 1952 | goto error; |
| 1953 | } |
| 1954 | |
| 1955 | array = g_new0(struct bt_ctf_field_type_array, 1); |
| 1956 | if (!array) { |
| 1957 | goto error; |
| 1958 | } |
| 1959 | |
| 1960 | array->parent.id = BT_CTF_FIELD_TYPE_ID_ARRAY; |
| 1961 | bt_get(element_type); |
| 1962 | array->element_type = element_type; |
| 1963 | array->length = length; |
| 1964 | bt_ctf_field_type_init(&array->parent, FALSE); |
| 1965 | return &array->parent; |
| 1966 | error: |
| 1967 | return NULL; |
| 1968 | } |
| 1969 | |
| 1970 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( |
| 1971 | struct bt_ctf_field_type *type) |
| 1972 | { |
| 1973 | struct bt_ctf_field_type *ret = NULL; |
| 1974 | struct bt_ctf_field_type_array *array; |
| 1975 | |
| 1976 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_ARRAY)) { |
| 1977 | goto end; |
| 1978 | } |
| 1979 | |
| 1980 | array = container_of(type, struct bt_ctf_field_type_array, parent); |
| 1981 | ret = array->element_type; |
| 1982 | bt_get(ret); |
| 1983 | end: |
| 1984 | return ret; |
| 1985 | } |
| 1986 | |
| 1987 | BT_HIDDEN |
| 1988 | int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type *type, |
| 1989 | struct bt_ctf_field_type *element_type) |
| 1990 | { |
| 1991 | int ret = 0; |
| 1992 | struct bt_ctf_field_type_array *array; |
| 1993 | |
| 1994 | if (!type || !element_type || |
| 1995 | (type->id != BT_CTF_FIELD_TYPE_ID_ARRAY)) { |
| 1996 | ret = -1; |
| 1997 | goto end; |
| 1998 | } |
| 1999 | |
| 2000 | array = container_of(type, struct bt_ctf_field_type_array, parent); |
| 2001 | |
| 2002 | if (array->element_type) { |
| 2003 | BT_PUT(array->element_type); |
| 2004 | } |
| 2005 | |
| 2006 | array->element_type = element_type; |
| 2007 | bt_get(array->element_type); |
| 2008 | |
| 2009 | end: |
| 2010 | return ret; |
| 2011 | } |
| 2012 | |
| 2013 | int64_t bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *type) |
| 2014 | { |
| 2015 | int64_t ret; |
| 2016 | struct bt_ctf_field_type_array *array; |
| 2017 | |
| 2018 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_ARRAY)) { |
| 2019 | ret = -1; |
| 2020 | goto end; |
| 2021 | } |
| 2022 | |
| 2023 | array = container_of(type, struct bt_ctf_field_type_array, parent); |
| 2024 | ret = (int64_t) array->length; |
| 2025 | end: |
| 2026 | return ret; |
| 2027 | } |
| 2028 | |
| 2029 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( |
| 2030 | struct bt_ctf_field_type *element_type, |
| 2031 | const char *length_field_name) |
| 2032 | { |
| 2033 | struct bt_ctf_field_type_sequence *sequence = NULL; |
| 2034 | |
| 2035 | if (!element_type || bt_ctf_validate_identifier(length_field_name)) { |
| 2036 | goto error; |
| 2037 | } |
| 2038 | |
| 2039 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); |
| 2040 | if (!sequence) { |
| 2041 | goto error; |
| 2042 | } |
| 2043 | |
| 2044 | sequence->parent.id = BT_CTF_FIELD_TYPE_ID_SEQUENCE; |
| 2045 | bt_get(element_type); |
| 2046 | sequence->element_type = element_type; |
| 2047 | sequence->length_field_name = g_string_new(length_field_name); |
| 2048 | bt_ctf_field_type_init(&sequence->parent, FALSE); |
| 2049 | return &sequence->parent; |
| 2050 | error: |
| 2051 | return NULL; |
| 2052 | } |
| 2053 | |
| 2054 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( |
| 2055 | struct bt_ctf_field_type *type) |
| 2056 | { |
| 2057 | struct bt_ctf_field_type *ret = NULL; |
| 2058 | struct bt_ctf_field_type_sequence *sequence; |
| 2059 | |
| 2060 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_SEQUENCE)) { |
| 2061 | goto end; |
| 2062 | } |
| 2063 | |
| 2064 | sequence = container_of(type, struct bt_ctf_field_type_sequence, |
| 2065 | parent); |
| 2066 | ret = sequence->element_type; |
| 2067 | bt_get(ret); |
| 2068 | end: |
| 2069 | return ret; |
| 2070 | } |
| 2071 | |
| 2072 | BT_HIDDEN |
| 2073 | int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type *type, |
| 2074 | struct bt_ctf_field_type *element_type) |
| 2075 | { |
| 2076 | int ret = 0; |
| 2077 | struct bt_ctf_field_type_sequence *sequence; |
| 2078 | |
| 2079 | if (!type || !element_type || |
| 2080 | (type->id != BT_CTF_FIELD_TYPE_ID_SEQUENCE)) { |
| 2081 | ret = -1; |
| 2082 | goto end; |
| 2083 | } |
| 2084 | |
| 2085 | sequence = container_of(type, struct bt_ctf_field_type_sequence, parent); |
| 2086 | |
| 2087 | if (sequence->element_type) { |
| 2088 | BT_PUT(sequence->element_type); |
| 2089 | } |
| 2090 | |
| 2091 | sequence->element_type = element_type; |
| 2092 | bt_get(sequence->element_type); |
| 2093 | |
| 2094 | end: |
| 2095 | return ret; |
| 2096 | } |
| 2097 | |
| 2098 | const char *bt_ctf_field_type_sequence_get_length_field_name( |
| 2099 | struct bt_ctf_field_type *type) |
| 2100 | { |
| 2101 | const char *ret = NULL; |
| 2102 | struct bt_ctf_field_type_sequence *sequence; |
| 2103 | |
| 2104 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_SEQUENCE)) { |
| 2105 | goto end; |
| 2106 | } |
| 2107 | |
| 2108 | sequence = container_of(type, struct bt_ctf_field_type_sequence, |
| 2109 | parent); |
| 2110 | ret = sequence->length_field_name->str; |
| 2111 | end: |
| 2112 | return ret; |
| 2113 | } |
| 2114 | |
| 2115 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) |
| 2116 | { |
| 2117 | struct bt_ctf_field_type_string *string = |
| 2118 | g_new0(struct bt_ctf_field_type_string, 1); |
| 2119 | |
| 2120 | if (!string) { |
| 2121 | return NULL; |
| 2122 | } |
| 2123 | |
| 2124 | string->parent.id = BT_CTF_FIELD_TYPE_ID_STRING; |
| 2125 | bt_ctf_field_type_init(&string->parent, TRUE); |
| 2126 | string->encoding = BT_CTF_STRING_ENCODING_UTF8; |
| 2127 | string->parent.alignment = CHAR_BIT; |
| 2128 | return &string->parent; |
| 2129 | } |
| 2130 | |
| 2131 | enum bt_ctf_string_encoding bt_ctf_field_type_string_get_encoding( |
| 2132 | struct bt_ctf_field_type *type) |
| 2133 | { |
| 2134 | struct bt_ctf_field_type_string *string; |
| 2135 | enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN; |
| 2136 | |
| 2137 | if (!type || (type->id != BT_CTF_FIELD_TYPE_ID_STRING)) { |
| 2138 | goto end; |
| 2139 | } |
| 2140 | |
| 2141 | string = container_of(type, struct bt_ctf_field_type_string, |
| 2142 | parent); |
| 2143 | ret = string->encoding; |
| 2144 | end: |
| 2145 | return ret; |
| 2146 | } |
| 2147 | |
| 2148 | int bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *type, |
| 2149 | enum bt_ctf_string_encoding encoding) |
| 2150 | { |
| 2151 | int ret = 0; |
| 2152 | struct bt_ctf_field_type_string *string; |
| 2153 | |
| 2154 | if (!type || type->id != BT_CTF_FIELD_TYPE_ID_STRING || |
| 2155 | (encoding != BT_CTF_STRING_ENCODING_UTF8 && |
| 2156 | encoding != BT_CTF_STRING_ENCODING_ASCII)) { |
| 2157 | ret = -1; |
| 2158 | goto end; |
| 2159 | } |
| 2160 | |
| 2161 | string = container_of(type, struct bt_ctf_field_type_string, parent); |
| 2162 | string->encoding = encoding; |
| 2163 | end: |
| 2164 | return ret; |
| 2165 | } |
| 2166 | |
| 2167 | int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type) |
| 2168 | { |
| 2169 | int ret; |
| 2170 | enum bt_ctf_field_type_id type_id; |
| 2171 | |
| 2172 | if (!type) { |
| 2173 | ret = -1; |
| 2174 | goto end; |
| 2175 | } |
| 2176 | |
| 2177 | if (type->frozen) { |
| 2178 | ret = (int) type->alignment; |
| 2179 | goto end; |
| 2180 | } |
| 2181 | |
| 2182 | type_id = bt_ctf_field_type_get_type_id(type); |
| 2183 | switch (type_id) { |
| 2184 | case BT_CTF_FIELD_TYPE_ID_SEQUENCE: |
| 2185 | { |
| 2186 | struct bt_ctf_field_type *element = |
| 2187 | bt_ctf_field_type_sequence_get_element_type(type); |
| 2188 | |
| 2189 | if (!element) { |
| 2190 | ret = -1; |
| 2191 | goto end; |
| 2192 | } |
| 2193 | |
| 2194 | ret = bt_ctf_field_type_get_alignment(element); |
| 2195 | bt_put(element); |
| 2196 | break; |
| 2197 | } |
| 2198 | case BT_CTF_FIELD_TYPE_ID_ARRAY: |
| 2199 | { |
| 2200 | struct bt_ctf_field_type *element = |
| 2201 | bt_ctf_field_type_array_get_element_type(type); |
| 2202 | |
| 2203 | if (!element) { |
| 2204 | ret = -1; |
| 2205 | goto end; |
| 2206 | } |
| 2207 | |
| 2208 | ret = bt_ctf_field_type_get_alignment(element); |
| 2209 | bt_put(element); |
| 2210 | break; |
| 2211 | } |
| 2212 | case BT_CTF_FIELD_TYPE_ID_STRUCT: |
| 2213 | { |
| 2214 | int i, element_count; |
| 2215 | |
| 2216 | element_count = bt_ctf_field_type_structure_get_field_count( |
| 2217 | type); |
| 2218 | if (element_count < 0) { |
| 2219 | ret = element_count; |
| 2220 | goto end; |
| 2221 | } |
| 2222 | |
| 2223 | for (i = 0; i < element_count; i++) { |
| 2224 | struct bt_ctf_field_type *field; |
| 2225 | int field_alignment; |
| 2226 | |
| 2227 | ret = bt_ctf_field_type_structure_get_field(type, NULL, |
| 2228 | &field, i); |
| 2229 | if (ret) { |
| 2230 | goto end; |
| 2231 | } |
| 2232 | |
| 2233 | assert(field); |
| 2234 | field_alignment = bt_ctf_field_type_get_alignment( |
| 2235 | field); |
| 2236 | bt_put(field); |
| 2237 | if (field_alignment < 0) { |
| 2238 | ret = field_alignment; |
| 2239 | goto end; |
| 2240 | } |
| 2241 | |
| 2242 | type->alignment = MAX(field_alignment, type->alignment); |
| 2243 | } |
| 2244 | ret = (int) type->alignment; |
| 2245 | break; |
| 2246 | } |
| 2247 | case BT_CTF_FIELD_TYPE_ID_UNKNOWN: |
| 2248 | ret = -1; |
| 2249 | break; |
| 2250 | default: |
| 2251 | ret = (int) type->alignment; |
| 2252 | break; |
| 2253 | } |
| 2254 | end: |
| 2255 | return ret; |
| 2256 | } |
| 2257 | |
| 2258 | static inline |
| 2259 | int is_power_of_two(unsigned int value) |
| 2260 | { |
| 2261 | return ((value & (value - 1)) == 0) && value > 0; |
| 2262 | } |
| 2263 | |
| 2264 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, |
| 2265 | unsigned int alignment) |
| 2266 | { |
| 2267 | int ret = 0; |
| 2268 | enum bt_ctf_field_type_id type_id; |
| 2269 | |
| 2270 | /* Alignment must be a power of two */ |
| 2271 | if (!type || type->frozen || !is_power_of_two(alignment)) { |
| 2272 | ret = -1; |
| 2273 | goto end; |
| 2274 | } |
| 2275 | |
| 2276 | type_id = bt_ctf_field_type_get_type_id(type); |
| 2277 | if (type_id == BT_CTF_FIELD_TYPE_ID_UNKNOWN) { |
| 2278 | ret = -1; |
| 2279 | goto end; |
| 2280 | } |
| 2281 | |
| 2282 | if (type->id == BT_CTF_FIELD_TYPE_ID_STRING && |
| 2283 | alignment != CHAR_BIT) { |
| 2284 | ret = -1; |
| 2285 | goto end; |
| 2286 | } |
| 2287 | |
| 2288 | if (type_id == BT_CTF_FIELD_TYPE_ID_VARIANT || |
| 2289 | type_id == BT_CTF_FIELD_TYPE_ID_SEQUENCE || |
| 2290 | type_id == BT_CTF_FIELD_TYPE_ID_ARRAY) { |
| 2291 | /* Setting an alignment on these types makes no sense */ |
| 2292 | ret = -1; |
| 2293 | goto end; |
| 2294 | } |
| 2295 | |
| 2296 | type->alignment = alignment; |
| 2297 | ret = 0; |
| 2298 | end: |
| 2299 | return ret; |
| 2300 | } |
| 2301 | |
| 2302 | enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order( |
| 2303 | struct bt_ctf_field_type *type) |
| 2304 | { |
| 2305 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; |
| 2306 | |
| 2307 | if (!type) { |
| 2308 | goto end; |
| 2309 | } |
| 2310 | |
| 2311 | switch (type->id) { |
| 2312 | case BT_CTF_FIELD_TYPE_ID_INTEGER: |
| 2313 | { |
| 2314 | struct bt_ctf_field_type_integer *integer = container_of( |
| 2315 | type, struct bt_ctf_field_type_integer, parent); |
| 2316 | ret = integer->user_byte_order; |
| 2317 | break; |
| 2318 | } |
| 2319 | case BT_CTF_FIELD_TYPE_ID_ENUM: |
| 2320 | { |
| 2321 | struct bt_ctf_field_type_enumeration *enum_ft = container_of( |
| 2322 | type, struct bt_ctf_field_type_enumeration, parent); |
| 2323 | ret = bt_ctf_field_type_get_byte_order(enum_ft->container); |
| 2324 | break; |
| 2325 | } |
| 2326 | case BT_CTF_FIELD_TYPE_ID_FLOAT: |
| 2327 | { |
| 2328 | struct bt_ctf_field_type_floating_point *floating_point = |
| 2329 | container_of(type, |
| 2330 | struct bt_ctf_field_type_floating_point, |
| 2331 | parent); |
| 2332 | ret = floating_point->user_byte_order; |
| 2333 | break; |
| 2334 | } |
| 2335 | default: |
| 2336 | goto end; |
| 2337 | } |
| 2338 | |
| 2339 | assert(ret == BT_CTF_BYTE_ORDER_NATIVE || |
| 2340 | ret == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN || |
| 2341 | ret == BT_CTF_BYTE_ORDER_BIG_ENDIAN || |
| 2342 | ret == BT_CTF_BYTE_ORDER_NETWORK); |
| 2343 | |
| 2344 | end: |
| 2345 | return ret; |
| 2346 | } |
| 2347 | |
| 2348 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, |
| 2349 | enum bt_ctf_byte_order byte_order) |
| 2350 | { |
| 2351 | int ret = 0; |
| 2352 | |
| 2353 | if (!type || type->frozen) { |
| 2354 | ret = -1; |
| 2355 | goto end; |
| 2356 | } |
| 2357 | |
| 2358 | if (byte_order != BT_CTF_BYTE_ORDER_NATIVE && |
| 2359 | byte_order != BT_CTF_BYTE_ORDER_LITTLE_ENDIAN && |
| 2360 | byte_order != BT_CTF_BYTE_ORDER_BIG_ENDIAN && |
| 2361 | byte_order != BT_CTF_BYTE_ORDER_NETWORK) { |
| 2362 | ret = -1; |
| 2363 | goto end; |
| 2364 | } |
| 2365 | |
| 2366 | if (set_byte_order_funcs[type->id]) { |
| 2367 | set_byte_order_funcs[type->id](type, byte_order); |
| 2368 | } |
| 2369 | end: |
| 2370 | return ret; |
| 2371 | } |
| 2372 | |
| 2373 | enum bt_ctf_field_type_id bt_ctf_field_type_get_type_id( |
| 2374 | struct bt_ctf_field_type *type) |
| 2375 | { |
| 2376 | if (!type) { |
| 2377 | return BT_CTF_FIELD_TYPE_ID_UNKNOWN; |
| 2378 | } |
| 2379 | |
| 2380 | return type->id; |
| 2381 | } |
| 2382 | |
| 2383 | int bt_ctf_field_type_is_integer(struct bt_ctf_field_type *type) |
| 2384 | { |
| 2385 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_INTEGER; |
| 2386 | } |
| 2387 | |
| 2388 | int bt_ctf_field_type_is_floating_point(struct bt_ctf_field_type *type) |
| 2389 | { |
| 2390 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_FLOAT; |
| 2391 | } |
| 2392 | |
| 2393 | int bt_ctf_field_type_is_enumeration(struct bt_ctf_field_type *type) |
| 2394 | { |
| 2395 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_ENUM; |
| 2396 | } |
| 2397 | |
| 2398 | int bt_ctf_field_type_is_string(struct bt_ctf_field_type *type) |
| 2399 | { |
| 2400 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_STRING; |
| 2401 | } |
| 2402 | |
| 2403 | int bt_ctf_field_type_is_structure(struct bt_ctf_field_type *type) |
| 2404 | { |
| 2405 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_STRUCT; |
| 2406 | } |
| 2407 | |
| 2408 | int bt_ctf_field_type_is_array(struct bt_ctf_field_type *type) |
| 2409 | { |
| 2410 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_ARRAY; |
| 2411 | } |
| 2412 | |
| 2413 | int bt_ctf_field_type_is_sequence(struct bt_ctf_field_type *type) |
| 2414 | { |
| 2415 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_SEQUENCE; |
| 2416 | } |
| 2417 | |
| 2418 | int bt_ctf_field_type_is_variant(struct bt_ctf_field_type *type) |
| 2419 | { |
| 2420 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_FIELD_TYPE_ID_VARIANT; |
| 2421 | } |
| 2422 | |
| 2423 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) |
| 2424 | { |
| 2425 | bt_get(type); |
| 2426 | } |
| 2427 | |
| 2428 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) |
| 2429 | { |
| 2430 | bt_put(type); |
| 2431 | } |
| 2432 | |
| 2433 | BT_HIDDEN |
| 2434 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) |
| 2435 | { |
| 2436 | if (!type) { |
| 2437 | return; |
| 2438 | } |
| 2439 | |
| 2440 | type->freeze(type); |
| 2441 | } |
| 2442 | |
| 2443 | BT_HIDDEN |
| 2444 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_signed( |
| 2445 | struct bt_ctf_field_type_variant *variant, |
| 2446 | int64_t tag_value) |
| 2447 | { |
| 2448 | struct bt_ctf_field_type *type = NULL; |
| 2449 | GQuark field_name_quark; |
| 2450 | gpointer index; |
| 2451 | struct structure_field *field_entry; |
| 2452 | struct range_overlap_query query = { |
| 2453 | .range_start._signed = tag_value, |
| 2454 | .range_end._signed = tag_value, |
| 2455 | .mapping_name = 0, |
| 2456 | .overlaps = 0, |
| 2457 | }; |
| 2458 | |
| 2459 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, |
| 2460 | &query); |
| 2461 | if (!query.overlaps) { |
| 2462 | goto end; |
| 2463 | } |
| 2464 | |
| 2465 | field_name_quark = query.mapping_name; |
| 2466 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, |
| 2467 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { |
| 2468 | goto end; |
| 2469 | } |
| 2470 | |
| 2471 | field_entry = g_ptr_array_index(variant->fields, (size_t) index); |
| 2472 | type = field_entry->type; |
| 2473 | end: |
| 2474 | return type; |
| 2475 | } |
| 2476 | |
| 2477 | BT_HIDDEN |
| 2478 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_unsigned( |
| 2479 | struct bt_ctf_field_type_variant *variant, |
| 2480 | uint64_t tag_value) |
| 2481 | { |
| 2482 | struct bt_ctf_field_type *type = NULL; |
| 2483 | GQuark field_name_quark; |
| 2484 | gpointer index; |
| 2485 | struct structure_field *field_entry; |
| 2486 | struct range_overlap_query query = { |
| 2487 | .range_start._unsigned = tag_value, |
| 2488 | .range_end._unsigned = tag_value, |
| 2489 | .mapping_name = 0, |
| 2490 | .overlaps = 0, |
| 2491 | }; |
| 2492 | |
| 2493 | g_ptr_array_foreach(variant->tag->entries, |
| 2494 | check_ranges_overlap_unsigned, |
| 2495 | &query); |
| 2496 | if (!query.overlaps) { |
| 2497 | goto end; |
| 2498 | } |
| 2499 | |
| 2500 | field_name_quark = query.mapping_name; |
| 2501 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, |
| 2502 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { |
| 2503 | goto end; |
| 2504 | } |
| 2505 | |
| 2506 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); |
| 2507 | type = field_entry->type; |
| 2508 | end: |
| 2509 | return type; |
| 2510 | } |
| 2511 | |
| 2512 | BT_HIDDEN |
| 2513 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, |
| 2514 | struct metadata_context *context) |
| 2515 | { |
| 2516 | int ret; |
| 2517 | |
| 2518 | if (!type || !context) { |
| 2519 | ret = -1; |
| 2520 | goto end; |
| 2521 | } |
| 2522 | |
| 2523 | /* Make sure field type is valid before serializing it */ |
| 2524 | ret = bt_ctf_field_type_validate(type); |
| 2525 | |
| 2526 | if (ret) { |
| 2527 | goto end; |
| 2528 | } |
| 2529 | |
| 2530 | ret = type->serialize(type, context); |
| 2531 | end: |
| 2532 | return ret; |
| 2533 | } |
| 2534 | |
| 2535 | struct bt_ctf_field_type *bt_ctf_field_type_copy(struct bt_ctf_field_type *type) |
| 2536 | { |
| 2537 | struct bt_ctf_field_type *copy = NULL; |
| 2538 | |
| 2539 | if (!type) { |
| 2540 | goto end; |
| 2541 | } |
| 2542 | |
| 2543 | copy = type_copy_funcs[type->id](type); |
| 2544 | copy->alignment = type->alignment; |
| 2545 | end: |
| 2546 | return copy; |
| 2547 | } |
| 2548 | |
| 2549 | BT_HIDDEN |
| 2550 | int bt_ctf_field_type_structure_get_field_name_index( |
| 2551 | struct bt_ctf_field_type *type, const char *name) |
| 2552 | { |
| 2553 | int ret; |
| 2554 | size_t index; |
| 2555 | GQuark name_quark; |
| 2556 | struct bt_ctf_field_type_structure *structure; |
| 2557 | |
| 2558 | if (!type || !name || |
| 2559 | bt_ctf_field_type_get_type_id(type) != BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 2560 | ret = -1; |
| 2561 | goto end; |
| 2562 | } |
| 2563 | |
| 2564 | name_quark = g_quark_try_string(name); |
| 2565 | if (!name_quark) { |
| 2566 | ret = -1; |
| 2567 | goto end; |
| 2568 | } |
| 2569 | |
| 2570 | structure = container_of(type, struct bt_ctf_field_type_structure, |
| 2571 | parent); |
| 2572 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 2573 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { |
| 2574 | ret = -1; |
| 2575 | goto end; |
| 2576 | } |
| 2577 | ret = (int) index; |
| 2578 | end: |
| 2579 | return ret; |
| 2580 | } |
| 2581 | |
| 2582 | BT_HIDDEN |
| 2583 | int bt_ctf_field_type_structure_set_field_index(struct bt_ctf_field_type *type, |
| 2584 | struct bt_ctf_field_type *field, int index) |
| 2585 | { |
| 2586 | int ret = 0; |
| 2587 | struct bt_ctf_field_type_structure *structure; |
| 2588 | |
| 2589 | if (!type || !field || |
| 2590 | bt_ctf_field_type_get_type_id(type) != BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 2591 | ret = -1; |
| 2592 | goto end; |
| 2593 | } |
| 2594 | |
| 2595 | structure = container_of(type, struct bt_ctf_field_type_structure, |
| 2596 | parent); |
| 2597 | if (index < 0 || index >= structure->fields->len) { |
| 2598 | ret = -1; |
| 2599 | goto end; |
| 2600 | } |
| 2601 | |
| 2602 | bt_get(field); |
| 2603 | bt_put(((struct structure_field *) |
| 2604 | g_ptr_array_index(structure->fields, index))->type); |
| 2605 | ((struct structure_field *) structure->fields->pdata[index])->type = |
| 2606 | field; |
| 2607 | end: |
| 2608 | return ret; |
| 2609 | } |
| 2610 | |
| 2611 | BT_HIDDEN |
| 2612 | int bt_ctf_field_type_variant_get_field_name_index( |
| 2613 | struct bt_ctf_field_type *type, const char *name) |
| 2614 | { |
| 2615 | int ret; |
| 2616 | size_t index; |
| 2617 | GQuark name_quark; |
| 2618 | struct bt_ctf_field_type_variant *variant; |
| 2619 | |
| 2620 | if (!type || !name || |
| 2621 | bt_ctf_field_type_get_type_id(type) != BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 2622 | ret = -1; |
| 2623 | goto end; |
| 2624 | } |
| 2625 | |
| 2626 | name_quark = g_quark_try_string(name); |
| 2627 | if (!name_quark) { |
| 2628 | ret = -1; |
| 2629 | goto end; |
| 2630 | } |
| 2631 | |
| 2632 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 2633 | parent); |
| 2634 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, |
| 2635 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { |
| 2636 | ret = -1; |
| 2637 | goto end; |
| 2638 | } |
| 2639 | ret = (int) index; |
| 2640 | end: |
| 2641 | return ret; |
| 2642 | } |
| 2643 | |
| 2644 | BT_HIDDEN |
| 2645 | int bt_ctf_field_type_sequence_set_length_field_path( |
| 2646 | struct bt_ctf_field_type *type, |
| 2647 | struct bt_ctf_field_path *path) |
| 2648 | { |
| 2649 | int ret = 0; |
| 2650 | struct bt_ctf_field_type_sequence *sequence; |
| 2651 | |
| 2652 | if (!type || bt_ctf_field_type_get_type_id(type) != |
| 2653 | BT_CTF_FIELD_TYPE_ID_SEQUENCE) { |
| 2654 | ret = -1; |
| 2655 | goto end; |
| 2656 | } |
| 2657 | |
| 2658 | sequence = container_of(type, struct bt_ctf_field_type_sequence, |
| 2659 | parent); |
| 2660 | bt_get(path); |
| 2661 | BT_MOVE(sequence->length_field_path, path); |
| 2662 | end: |
| 2663 | return ret; |
| 2664 | } |
| 2665 | |
| 2666 | BT_HIDDEN |
| 2667 | int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type *type, |
| 2668 | struct bt_ctf_field_path *path) |
| 2669 | { |
| 2670 | int ret = 0; |
| 2671 | struct bt_ctf_field_type_variant *variant; |
| 2672 | |
| 2673 | if (!type || bt_ctf_field_type_get_type_id(type) != |
| 2674 | BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 2675 | ret = -1; |
| 2676 | goto end; |
| 2677 | } |
| 2678 | |
| 2679 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 2680 | parent); |
| 2681 | bt_get(path); |
| 2682 | BT_MOVE(variant->tag_field_path, path); |
| 2683 | end: |
| 2684 | return ret; |
| 2685 | } |
| 2686 | |
| 2687 | BT_HIDDEN |
| 2688 | int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type *type, |
| 2689 | struct bt_ctf_field_type *tag) |
| 2690 | { |
| 2691 | int ret = 0; |
| 2692 | struct bt_ctf_field_type_variant *variant; |
| 2693 | |
| 2694 | if (!type || !tag || |
| 2695 | bt_ctf_field_type_get_type_id(tag) != |
| 2696 | BT_CTF_FIELD_TYPE_ID_ENUM) { |
| 2697 | ret = -1; |
| 2698 | goto end; |
| 2699 | } |
| 2700 | |
| 2701 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 2702 | parent); |
| 2703 | bt_get(tag); |
| 2704 | if (variant->tag) { |
| 2705 | bt_put(&variant->tag->parent); |
| 2706 | } |
| 2707 | variant->tag = container_of(tag, struct bt_ctf_field_type_enumeration, |
| 2708 | parent); |
| 2709 | end: |
| 2710 | return ret; |
| 2711 | } |
| 2712 | |
| 2713 | BT_HIDDEN |
| 2714 | int bt_ctf_field_type_variant_set_field_index(struct bt_ctf_field_type *type, |
| 2715 | struct bt_ctf_field_type *field, int index) |
| 2716 | { |
| 2717 | int ret = 0; |
| 2718 | struct bt_ctf_field_type_variant *variant; |
| 2719 | |
| 2720 | if (!type || !field || |
| 2721 | bt_ctf_field_type_get_type_id(type) != BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 2722 | ret = -1; |
| 2723 | goto end; |
| 2724 | } |
| 2725 | |
| 2726 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 2727 | parent); |
| 2728 | if (index < 0 || index >= variant->fields->len) { |
| 2729 | ret = -1; |
| 2730 | goto end; |
| 2731 | } |
| 2732 | |
| 2733 | bt_get(field); |
| 2734 | bt_put(((struct structure_field *) |
| 2735 | g_ptr_array_index(variant->fields, index))->type); |
| 2736 | ((struct structure_field *) variant->fields->pdata[index])->type = |
| 2737 | field; |
| 2738 | end: |
| 2739 | return ret; |
| 2740 | } |
| 2741 | |
| 2742 | static |
| 2743 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *type) |
| 2744 | { |
| 2745 | struct bt_ctf_field_type_integer *integer = |
| 2746 | (struct bt_ctf_field_type_integer *) type; |
| 2747 | |
| 2748 | if (!type) { |
| 2749 | return; |
| 2750 | } |
| 2751 | |
| 2752 | bt_put(integer->mapped_clock); |
| 2753 | g_free(integer); |
| 2754 | } |
| 2755 | |
| 2756 | static |
| 2757 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *type) |
| 2758 | { |
| 2759 | struct bt_ctf_field_type_enumeration *enumeration = |
| 2760 | (struct bt_ctf_field_type_enumeration *) type; |
| 2761 | |
| 2762 | if (!type) { |
| 2763 | return; |
| 2764 | } |
| 2765 | |
| 2766 | g_ptr_array_free(enumeration->entries, TRUE); |
| 2767 | bt_put(enumeration->container); |
| 2768 | g_free(enumeration); |
| 2769 | } |
| 2770 | |
| 2771 | static |
| 2772 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *type) |
| 2773 | { |
| 2774 | struct bt_ctf_field_type_floating_point *floating_point = |
| 2775 | (struct bt_ctf_field_type_floating_point *) type; |
| 2776 | |
| 2777 | if (!type) { |
| 2778 | return; |
| 2779 | } |
| 2780 | |
| 2781 | g_free(floating_point); |
| 2782 | } |
| 2783 | |
| 2784 | static |
| 2785 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *type) |
| 2786 | { |
| 2787 | struct bt_ctf_field_type_structure *structure = |
| 2788 | (struct bt_ctf_field_type_structure *) type; |
| 2789 | |
| 2790 | if (!type) { |
| 2791 | return; |
| 2792 | } |
| 2793 | |
| 2794 | g_ptr_array_free(structure->fields, TRUE); |
| 2795 | g_hash_table_destroy(structure->field_name_to_index); |
| 2796 | g_free(structure); |
| 2797 | } |
| 2798 | |
| 2799 | static |
| 2800 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *type) |
| 2801 | { |
| 2802 | struct bt_ctf_field_type_variant *variant = |
| 2803 | (struct bt_ctf_field_type_variant *) type; |
| 2804 | |
| 2805 | if (!type) { |
| 2806 | return; |
| 2807 | } |
| 2808 | |
| 2809 | g_ptr_array_free(variant->fields, TRUE); |
| 2810 | g_hash_table_destroy(variant->field_name_to_index); |
| 2811 | g_string_free(variant->tag_name, TRUE); |
| 2812 | bt_put(&variant->tag->parent); |
| 2813 | BT_PUT(variant->tag_field_path); |
| 2814 | g_free(variant); |
| 2815 | } |
| 2816 | |
| 2817 | static |
| 2818 | void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *type) |
| 2819 | { |
| 2820 | struct bt_ctf_field_type_array *array = |
| 2821 | (struct bt_ctf_field_type_array *) type; |
| 2822 | |
| 2823 | if (!type) { |
| 2824 | return; |
| 2825 | } |
| 2826 | |
| 2827 | bt_put(array->element_type); |
| 2828 | g_free(array); |
| 2829 | } |
| 2830 | |
| 2831 | static |
| 2832 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *type) |
| 2833 | { |
| 2834 | struct bt_ctf_field_type_sequence *sequence = |
| 2835 | (struct bt_ctf_field_type_sequence *) type; |
| 2836 | |
| 2837 | if (!type) { |
| 2838 | return; |
| 2839 | } |
| 2840 | |
| 2841 | bt_put(sequence->element_type); |
| 2842 | g_string_free(sequence->length_field_name, TRUE); |
| 2843 | BT_PUT(sequence->length_field_path); |
| 2844 | g_free(sequence); |
| 2845 | } |
| 2846 | |
| 2847 | static |
| 2848 | void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *type) |
| 2849 | { |
| 2850 | struct bt_ctf_field_type_string *string = |
| 2851 | (struct bt_ctf_field_type_string *) type; |
| 2852 | |
| 2853 | if (!type) { |
| 2854 | return; |
| 2855 | } |
| 2856 | |
| 2857 | g_free(string); |
| 2858 | } |
| 2859 | |
| 2860 | static |
| 2861 | void generic_field_type_freeze(struct bt_ctf_field_type *type) |
| 2862 | { |
| 2863 | type->frozen = 1; |
| 2864 | } |
| 2865 | |
| 2866 | static |
| 2867 | void bt_ctf_field_type_integer_freeze(struct bt_ctf_field_type *type) |
| 2868 | { |
| 2869 | struct bt_ctf_field_type_integer *integer_type = container_of( |
| 2870 | type, struct bt_ctf_field_type_integer, parent); |
| 2871 | |
| 2872 | if (integer_type->mapped_clock) { |
| 2873 | bt_ctf_clock_class_freeze(integer_type->mapped_clock); |
| 2874 | } |
| 2875 | |
| 2876 | generic_field_type_freeze(type); |
| 2877 | } |
| 2878 | |
| 2879 | static |
| 2880 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) |
| 2881 | { |
| 2882 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( |
| 2883 | type, struct bt_ctf_field_type_enumeration, parent); |
| 2884 | |
| 2885 | set_enumeration_range_overlap(type); |
| 2886 | |
| 2887 | generic_field_type_freeze(type); |
| 2888 | bt_ctf_field_type_freeze(enumeration_type->container); |
| 2889 | } |
| 2890 | |
| 2891 | static |
| 2892 | void freeze_structure_field(struct structure_field *field) |
| 2893 | { |
| 2894 | bt_ctf_field_type_freeze(field->type); |
| 2895 | } |
| 2896 | |
| 2897 | static |
| 2898 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) |
| 2899 | { |
| 2900 | struct bt_ctf_field_type_structure *structure_type = container_of( |
| 2901 | type, struct bt_ctf_field_type_structure, parent); |
| 2902 | |
| 2903 | /* Cache the alignment */ |
| 2904 | type->alignment = bt_ctf_field_type_get_alignment(type); |
| 2905 | generic_field_type_freeze(type); |
| 2906 | g_ptr_array_foreach(structure_type->fields, |
| 2907 | (GFunc) freeze_structure_field, NULL); |
| 2908 | } |
| 2909 | |
| 2910 | static |
| 2911 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) |
| 2912 | { |
| 2913 | struct bt_ctf_field_type_variant *variant_type = container_of( |
| 2914 | type, struct bt_ctf_field_type_variant, parent); |
| 2915 | |
| 2916 | generic_field_type_freeze(type); |
| 2917 | g_ptr_array_foreach(variant_type->fields, |
| 2918 | (GFunc) freeze_structure_field, NULL); |
| 2919 | } |
| 2920 | |
| 2921 | static |
| 2922 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) |
| 2923 | { |
| 2924 | struct bt_ctf_field_type_array *array_type = container_of( |
| 2925 | type, struct bt_ctf_field_type_array, parent); |
| 2926 | |
| 2927 | /* Cache the alignment */ |
| 2928 | type->alignment = bt_ctf_field_type_get_alignment(type); |
| 2929 | generic_field_type_freeze(type); |
| 2930 | bt_ctf_field_type_freeze(array_type->element_type); |
| 2931 | } |
| 2932 | |
| 2933 | static |
| 2934 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) |
| 2935 | { |
| 2936 | struct bt_ctf_field_type_sequence *sequence_type = container_of( |
| 2937 | type, struct bt_ctf_field_type_sequence, parent); |
| 2938 | |
| 2939 | /* Cache the alignment */ |
| 2940 | type->alignment = bt_ctf_field_type_get_alignment(type); |
| 2941 | generic_field_type_freeze(type); |
| 2942 | bt_ctf_field_type_freeze(sequence_type->element_type); |
| 2943 | } |
| 2944 | |
| 2945 | static |
| 2946 | const char *get_encoding_string(enum bt_ctf_string_encoding encoding) |
| 2947 | { |
| 2948 | const char *encoding_string; |
| 2949 | |
| 2950 | switch (encoding) { |
| 2951 | case BT_CTF_STRING_ENCODING_NONE: |
| 2952 | encoding_string = "none"; |
| 2953 | break; |
| 2954 | case BT_CTF_STRING_ENCODING_ASCII: |
| 2955 | encoding_string = "ASCII"; |
| 2956 | break; |
| 2957 | case BT_CTF_STRING_ENCODING_UTF8: |
| 2958 | encoding_string = "UTF8"; |
| 2959 | break; |
| 2960 | default: |
| 2961 | encoding_string = "unknown"; |
| 2962 | break; |
| 2963 | } |
| 2964 | |
| 2965 | return encoding_string; |
| 2966 | } |
| 2967 | |
| 2968 | static |
| 2969 | const char *get_integer_base_string(enum bt_ctf_integer_base base) |
| 2970 | { |
| 2971 | const char *base_string; |
| 2972 | |
| 2973 | switch (base) { |
| 2974 | case BT_CTF_INTEGER_BASE_DECIMAL: |
| 2975 | base_string = "decimal"; |
| 2976 | break; |
| 2977 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: |
| 2978 | base_string = "hexadecimal"; |
| 2979 | break; |
| 2980 | case BT_CTF_INTEGER_BASE_OCTAL: |
| 2981 | base_string = "octal"; |
| 2982 | break; |
| 2983 | case BT_CTF_INTEGER_BASE_BINARY: |
| 2984 | base_string = "binary"; |
| 2985 | break; |
| 2986 | default: |
| 2987 | base_string = "unknown"; |
| 2988 | break; |
| 2989 | } |
| 2990 | |
| 2991 | return base_string; |
| 2992 | } |
| 2993 | |
| 2994 | static |
| 2995 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, |
| 2996 | struct metadata_context *context) |
| 2997 | { |
| 2998 | struct bt_ctf_field_type_integer *integer = container_of(type, |
| 2999 | struct bt_ctf_field_type_integer, parent); |
| 3000 | int ret = 0; |
| 3001 | |
| 3002 | g_string_append_printf(context->string, |
| 3003 | "integer { size = %u; align = %u; signed = %s; encoding = %s; base = %s; byte_order = %s", |
| 3004 | integer->size, type->alignment, |
| 3005 | (integer->is_signed ? "true" : "false"), |
| 3006 | get_encoding_string(integer->encoding), |
| 3007 | get_integer_base_string(integer->base), |
| 3008 | get_byte_order_string(integer->user_byte_order)); |
| 3009 | if (integer->mapped_clock) { |
| 3010 | const char *clock_name = bt_ctf_clock_class_get_name( |
| 3011 | integer->mapped_clock); |
| 3012 | |
| 3013 | if (!clock_name) { |
| 3014 | ret = -1; |
| 3015 | goto end; |
| 3016 | } |
| 3017 | |
| 3018 | g_string_append_printf(context->string, |
| 3019 | "; map = clock.%s.value", clock_name); |
| 3020 | } |
| 3021 | |
| 3022 | g_string_append(context->string, "; }"); |
| 3023 | end: |
| 3024 | return ret; |
| 3025 | } |
| 3026 | |
| 3027 | static |
| 3028 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, |
| 3029 | struct metadata_context *context) |
| 3030 | { |
| 3031 | size_t entry; |
| 3032 | int ret; |
| 3033 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, |
| 3034 | struct bt_ctf_field_type_enumeration, parent); |
| 3035 | struct bt_ctf_field_type *container_type; |
| 3036 | int container_signed; |
| 3037 | |
| 3038 | container_type = bt_ctf_field_type_enumeration_get_container_type(type); |
| 3039 | if (!container_type) { |
| 3040 | ret = -1; |
| 3041 | goto end; |
| 3042 | } |
| 3043 | |
| 3044 | container_signed = bt_ctf_field_type_integer_get_signed(container_type); |
| 3045 | if (container_signed < 0) { |
| 3046 | ret = container_signed; |
| 3047 | goto error_put_container_type; |
| 3048 | } |
| 3049 | |
| 3050 | g_string_append(context->string, "enum : "); |
| 3051 | ret = bt_ctf_field_type_serialize(enumeration->container, context); |
| 3052 | if (ret) { |
| 3053 | goto error_put_container_type; |
| 3054 | } |
| 3055 | |
| 3056 | g_string_append(context->string, " { "); |
| 3057 | for (entry = 0; entry < enumeration->entries->len; entry++) { |
| 3058 | struct enumeration_mapping *mapping = |
| 3059 | enumeration->entries->pdata[entry]; |
| 3060 | |
| 3061 | if (container_signed) { |
| 3062 | if (mapping->range_start._signed == |
| 3063 | mapping->range_end._signed) { |
| 3064 | g_string_append_printf(context->string, |
| 3065 | "\"%s\" = %" PRId64, |
| 3066 | g_quark_to_string(mapping->string), |
| 3067 | mapping->range_start._signed); |
| 3068 | } else { |
| 3069 | g_string_append_printf(context->string, |
| 3070 | "\"%s\" = %" PRId64 " ... %" PRId64, |
| 3071 | g_quark_to_string(mapping->string), |
| 3072 | mapping->range_start._signed, |
| 3073 | mapping->range_end._signed); |
| 3074 | } |
| 3075 | } else { |
| 3076 | if (mapping->range_start._unsigned == |
| 3077 | mapping->range_end._unsigned) { |
| 3078 | g_string_append_printf(context->string, |
| 3079 | "\"%s\" = %" PRIu64, |
| 3080 | g_quark_to_string(mapping->string), |
| 3081 | mapping->range_start._unsigned); |
| 3082 | } else { |
| 3083 | g_string_append_printf(context->string, |
| 3084 | "\"%s\" = %" PRIu64 " ... %" PRIu64, |
| 3085 | g_quark_to_string(mapping->string), |
| 3086 | mapping->range_start._unsigned, |
| 3087 | mapping->range_end._unsigned); |
| 3088 | } |
| 3089 | } |
| 3090 | |
| 3091 | g_string_append(context->string, |
| 3092 | ((entry != (enumeration->entries->len - 1)) ? |
| 3093 | ", " : " }")); |
| 3094 | } |
| 3095 | |
| 3096 | if (context->field_name->len) { |
| 3097 | g_string_append_printf(context->string, " %s", |
| 3098 | context->field_name->str); |
| 3099 | g_string_assign(context->field_name, ""); |
| 3100 | } |
| 3101 | error_put_container_type: |
| 3102 | bt_put(container_type); |
| 3103 | end: |
| 3104 | return ret; |
| 3105 | } |
| 3106 | |
| 3107 | static |
| 3108 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, |
| 3109 | struct metadata_context *context) |
| 3110 | { |
| 3111 | struct bt_ctf_field_type_floating_point *floating_point = container_of( |
| 3112 | type, struct bt_ctf_field_type_floating_point, parent); |
| 3113 | |
| 3114 | g_string_append_printf(context->string, |
| 3115 | "floating_point { exp_dig = %u; mant_dig = %u; byte_order = %s; align = %u; }", |
| 3116 | floating_point->exp_dig, |
| 3117 | floating_point->mant_dig, |
| 3118 | get_byte_order_string(floating_point->user_byte_order), |
| 3119 | type->alignment); |
| 3120 | return 0; |
| 3121 | } |
| 3122 | |
| 3123 | static |
| 3124 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, |
| 3125 | struct metadata_context *context) |
| 3126 | { |
| 3127 | size_t i; |
| 3128 | unsigned int indent; |
| 3129 | int ret = 0; |
| 3130 | struct bt_ctf_field_type_structure *structure = container_of(type, |
| 3131 | struct bt_ctf_field_type_structure, parent); |
| 3132 | GString *structure_field_name = context->field_name; |
| 3133 | |
| 3134 | context->field_name = g_string_new(""); |
| 3135 | |
| 3136 | context->current_indentation_level++; |
| 3137 | g_string_append(context->string, "struct {\n"); |
| 3138 | |
| 3139 | for (i = 0; i < structure->fields->len; i++) { |
| 3140 | struct structure_field *field; |
| 3141 | |
| 3142 | for (indent = 0; indent < context->current_indentation_level; |
| 3143 | indent++) { |
| 3144 | g_string_append_c(context->string, '\t'); |
| 3145 | } |
| 3146 | |
| 3147 | field = structure->fields->pdata[i]; |
| 3148 | g_string_assign(context->field_name, |
| 3149 | g_quark_to_string(field->name)); |
| 3150 | ret = bt_ctf_field_type_serialize(field->type, context); |
| 3151 | if (ret) { |
| 3152 | goto end; |
| 3153 | } |
| 3154 | |
| 3155 | if (context->field_name->len) { |
| 3156 | g_string_append_printf(context->string, " %s", |
| 3157 | context->field_name->str); |
| 3158 | } |
| 3159 | g_string_append(context->string, ";\n"); |
| 3160 | } |
| 3161 | |
| 3162 | context->current_indentation_level--; |
| 3163 | for (indent = 0; indent < context->current_indentation_level; |
| 3164 | indent++) { |
| 3165 | g_string_append_c(context->string, '\t'); |
| 3166 | } |
| 3167 | |
| 3168 | g_string_append_printf(context->string, "} align(%u)", |
| 3169 | type->alignment); |
| 3170 | end: |
| 3171 | g_string_free(context->field_name, TRUE); |
| 3172 | context->field_name = structure_field_name; |
| 3173 | return ret; |
| 3174 | } |
| 3175 | |
| 3176 | static |
| 3177 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, |
| 3178 | struct metadata_context *context) |
| 3179 | { |
| 3180 | size_t i; |
| 3181 | unsigned int indent; |
| 3182 | int ret = 0; |
| 3183 | struct bt_ctf_field_type_variant *variant = container_of( |
| 3184 | type, struct bt_ctf_field_type_variant, parent); |
| 3185 | GString *variant_field_name = context->field_name; |
| 3186 | |
| 3187 | context->field_name = g_string_new(""); |
| 3188 | if (variant->tag_name->len > 0) { |
| 3189 | g_string_append_printf(context->string, |
| 3190 | "variant <%s> {\n", variant->tag_name->str); |
| 3191 | } else { |
| 3192 | g_string_append(context->string, "variant {\n"); |
| 3193 | } |
| 3194 | |
| 3195 | context->current_indentation_level++; |
| 3196 | for (i = 0; i < variant->fields->len; i++) { |
| 3197 | struct structure_field *field = variant->fields->pdata[i]; |
| 3198 | |
| 3199 | g_string_assign(context->field_name, |
| 3200 | g_quark_to_string(field->name)); |
| 3201 | for (indent = 0; indent < context->current_indentation_level; |
| 3202 | indent++) { |
| 3203 | g_string_append_c(context->string, '\t'); |
| 3204 | } |
| 3205 | |
| 3206 | g_string_assign(context->field_name, |
| 3207 | g_quark_to_string(field->name)); |
| 3208 | ret = bt_ctf_field_type_serialize(field->type, context); |
| 3209 | if (ret) { |
| 3210 | goto end; |
| 3211 | } |
| 3212 | |
| 3213 | if (context->field_name->len) { |
| 3214 | g_string_append_printf(context->string, " %s;", |
| 3215 | context->field_name->str); |
| 3216 | } |
| 3217 | |
| 3218 | g_string_append_c(context->string, '\n'); |
| 3219 | } |
| 3220 | |
| 3221 | context->current_indentation_level--; |
| 3222 | for (indent = 0; indent < context->current_indentation_level; |
| 3223 | indent++) { |
| 3224 | g_string_append_c(context->string, '\t'); |
| 3225 | } |
| 3226 | |
| 3227 | g_string_append(context->string, "}"); |
| 3228 | end: |
| 3229 | g_string_free(context->field_name, TRUE); |
| 3230 | context->field_name = variant_field_name; |
| 3231 | return ret; |
| 3232 | } |
| 3233 | |
| 3234 | static |
| 3235 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, |
| 3236 | struct metadata_context *context) |
| 3237 | { |
| 3238 | int ret = 0; |
| 3239 | struct bt_ctf_field_type_array *array = container_of(type, |
| 3240 | struct bt_ctf_field_type_array, parent); |
| 3241 | |
| 3242 | ret = bt_ctf_field_type_serialize(array->element_type, context); |
| 3243 | if (ret) { |
| 3244 | goto end; |
| 3245 | } |
| 3246 | |
| 3247 | if (context->field_name->len) { |
| 3248 | g_string_append_printf(context->string, " %s[%u]", |
| 3249 | context->field_name->str, array->length); |
| 3250 | g_string_assign(context->field_name, ""); |
| 3251 | } else { |
| 3252 | g_string_append_printf(context->string, "[%u]", array->length); |
| 3253 | } |
| 3254 | end: |
| 3255 | return ret; |
| 3256 | } |
| 3257 | |
| 3258 | static |
| 3259 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, |
| 3260 | struct metadata_context *context) |
| 3261 | { |
| 3262 | int ret = 0; |
| 3263 | struct bt_ctf_field_type_sequence *sequence = container_of( |
| 3264 | type, struct bt_ctf_field_type_sequence, parent); |
| 3265 | |
| 3266 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); |
| 3267 | if (ret) { |
| 3268 | goto end; |
| 3269 | } |
| 3270 | |
| 3271 | if (context->field_name->len) { |
| 3272 | g_string_append_printf(context->string, " %s[%s]", |
| 3273 | context->field_name->str, |
| 3274 | sequence->length_field_name->str); |
| 3275 | g_string_assign(context->field_name, ""); |
| 3276 | } else { |
| 3277 | g_string_append_printf(context->string, "[%s]", |
| 3278 | sequence->length_field_name->str); |
| 3279 | } |
| 3280 | end: |
| 3281 | return ret; |
| 3282 | } |
| 3283 | |
| 3284 | static |
| 3285 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, |
| 3286 | struct metadata_context *context) |
| 3287 | { |
| 3288 | struct bt_ctf_field_type_string *string = container_of( |
| 3289 | type, struct bt_ctf_field_type_string, parent); |
| 3290 | |
| 3291 | g_string_append_printf(context->string, |
| 3292 | "string { encoding = %s; }", |
| 3293 | get_encoding_string(string->encoding)); |
| 3294 | return 0; |
| 3295 | } |
| 3296 | |
| 3297 | static |
| 3298 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, |
| 3299 | enum bt_ctf_byte_order byte_order) |
| 3300 | { |
| 3301 | struct bt_ctf_field_type_integer *integer_type = container_of(type, |
| 3302 | struct bt_ctf_field_type_integer, parent); |
| 3303 | |
| 3304 | integer_type->user_byte_order = byte_order; |
| 3305 | } |
| 3306 | |
| 3307 | static |
| 3308 | void bt_ctf_field_type_enumeration_set_byte_order( |
| 3309 | struct bt_ctf_field_type *type, enum bt_ctf_byte_order byte_order) |
| 3310 | { |
| 3311 | struct bt_ctf_field_type_enumeration *enum_type = container_of(type, |
| 3312 | struct bt_ctf_field_type_enumeration, parent); |
| 3313 | |
| 3314 | /* Safe to assume that container is an integer */ |
| 3315 | bt_ctf_field_type_integer_set_byte_order(enum_type->container, |
| 3316 | byte_order); |
| 3317 | } |
| 3318 | |
| 3319 | static |
| 3320 | void bt_ctf_field_type_floating_point_set_byte_order( |
| 3321 | struct bt_ctf_field_type *type, enum bt_ctf_byte_order byte_order) |
| 3322 | { |
| 3323 | struct bt_ctf_field_type_floating_point *floating_point_type = |
| 3324 | container_of(type, struct bt_ctf_field_type_floating_point, |
| 3325 | parent); |
| 3326 | |
| 3327 | floating_point_type->user_byte_order = byte_order; |
| 3328 | } |
| 3329 | |
| 3330 | static |
| 3331 | void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *type, |
| 3332 | enum bt_ctf_byte_order byte_order) |
| 3333 | { |
| 3334 | int i; |
| 3335 | struct bt_ctf_field_type_structure *structure_type = |
| 3336 | container_of(type, struct bt_ctf_field_type_structure, |
| 3337 | parent); |
| 3338 | |
| 3339 | for (i = 0; i < structure_type->fields->len; i++) { |
| 3340 | struct structure_field *field = g_ptr_array_index( |
| 3341 | structure_type->fields, i); |
| 3342 | struct bt_ctf_field_type *field_type = field->type; |
| 3343 | |
| 3344 | if (set_byte_order_funcs[field_type->id]) { |
| 3345 | set_byte_order_funcs[field_type->id]( |
| 3346 | field_type, byte_order); |
| 3347 | } |
| 3348 | } |
| 3349 | } |
| 3350 | |
| 3351 | static |
| 3352 | void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *type, |
| 3353 | enum bt_ctf_byte_order byte_order) |
| 3354 | { |
| 3355 | int i; |
| 3356 | struct bt_ctf_field_type_variant *variant_type = |
| 3357 | container_of(type, struct bt_ctf_field_type_variant, |
| 3358 | parent); |
| 3359 | |
| 3360 | for (i = 0; i < variant_type->fields->len; i++) { |
| 3361 | struct structure_field *field = g_ptr_array_index( |
| 3362 | variant_type->fields, i); |
| 3363 | struct bt_ctf_field_type *field_type = field->type; |
| 3364 | |
| 3365 | if (set_byte_order_funcs[field_type->id]) { |
| 3366 | set_byte_order_funcs[field_type->id]( |
| 3367 | field_type, byte_order); |
| 3368 | } |
| 3369 | } |
| 3370 | } |
| 3371 | |
| 3372 | static |
| 3373 | void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *type, |
| 3374 | enum bt_ctf_byte_order byte_order) |
| 3375 | { |
| 3376 | struct bt_ctf_field_type_array *array_type = |
| 3377 | container_of(type, struct bt_ctf_field_type_array, |
| 3378 | parent); |
| 3379 | |
| 3380 | if (set_byte_order_funcs[array_type->element_type->id]) { |
| 3381 | set_byte_order_funcs[array_type->element_type->id]( |
| 3382 | array_type->element_type, byte_order); |
| 3383 | } |
| 3384 | } |
| 3385 | |
| 3386 | static |
| 3387 | void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *type, |
| 3388 | enum bt_ctf_byte_order byte_order) |
| 3389 | { |
| 3390 | struct bt_ctf_field_type_sequence *sequence_type = |
| 3391 | container_of(type, struct bt_ctf_field_type_sequence, |
| 3392 | parent); |
| 3393 | |
| 3394 | if (set_byte_order_funcs[ |
| 3395 | sequence_type->element_type->id]) { |
| 3396 | set_byte_order_funcs[ |
| 3397 | sequence_type->element_type->id]( |
| 3398 | sequence_type->element_type, byte_order); |
| 3399 | } |
| 3400 | } |
| 3401 | |
| 3402 | static |
| 3403 | struct bt_ctf_field_type *bt_ctf_field_type_integer_copy( |
| 3404 | struct bt_ctf_field_type *type) |
| 3405 | { |
| 3406 | struct bt_ctf_field_type *copy; |
| 3407 | struct bt_ctf_field_type_integer *integer, *copy_integer; |
| 3408 | |
| 3409 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 3410 | copy = bt_ctf_field_type_integer_create(integer->size); |
| 3411 | if (!copy) { |
| 3412 | goto end; |
| 3413 | } |
| 3414 | |
| 3415 | copy_integer = container_of(copy, struct bt_ctf_field_type_integer, |
| 3416 | parent); |
| 3417 | copy_integer->mapped_clock = bt_get(integer->mapped_clock); |
| 3418 | copy_integer->user_byte_order = integer->user_byte_order; |
| 3419 | copy_integer->is_signed = integer->is_signed; |
| 3420 | copy_integer->size = integer->size; |
| 3421 | copy_integer->base = integer->base; |
| 3422 | copy_integer->encoding = integer->encoding; |
| 3423 | |
| 3424 | end: |
| 3425 | return copy; |
| 3426 | } |
| 3427 | |
| 3428 | static |
| 3429 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy( |
| 3430 | struct bt_ctf_field_type *type) |
| 3431 | { |
| 3432 | size_t i; |
| 3433 | struct bt_ctf_field_type *copy = NULL, *copy_container; |
| 3434 | struct bt_ctf_field_type_enumeration *enumeration, *copy_enumeration; |
| 3435 | |
| 3436 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, |
| 3437 | parent); |
| 3438 | |
| 3439 | /* Copy the source enumeration's container */ |
| 3440 | copy_container = bt_ctf_field_type_copy(enumeration->container); |
| 3441 | if (!copy_container) { |
| 3442 | goto end; |
| 3443 | } |
| 3444 | |
| 3445 | copy = bt_ctf_field_type_enumeration_create(copy_container); |
| 3446 | if (!copy) { |
| 3447 | goto end; |
| 3448 | } |
| 3449 | copy_enumeration = container_of(copy, |
| 3450 | struct bt_ctf_field_type_enumeration, parent); |
| 3451 | |
| 3452 | /* Copy all enumaration entries */ |
| 3453 | for (i = 0; i < enumeration->entries->len; i++) { |
| 3454 | struct enumeration_mapping *mapping = g_ptr_array_index( |
| 3455 | enumeration->entries, i); |
| 3456 | struct enumeration_mapping *copy_mapping = g_new0( |
| 3457 | struct enumeration_mapping, 1); |
| 3458 | |
| 3459 | if (!copy_mapping) { |
| 3460 | goto error; |
| 3461 | } |
| 3462 | |
| 3463 | *copy_mapping = *mapping; |
| 3464 | g_ptr_array_add(copy_enumeration->entries, copy_mapping); |
| 3465 | } |
| 3466 | |
| 3467 | end: |
| 3468 | bt_put(copy_container); |
| 3469 | return copy; |
| 3470 | error: |
| 3471 | bt_put(copy_container); |
| 3472 | BT_PUT(copy); |
| 3473 | return copy; |
| 3474 | } |
| 3475 | |
| 3476 | static |
| 3477 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy( |
| 3478 | struct bt_ctf_field_type *type) |
| 3479 | { |
| 3480 | struct bt_ctf_field_type *copy; |
| 3481 | struct bt_ctf_field_type_floating_point *floating_point, *copy_float; |
| 3482 | |
| 3483 | floating_point = container_of(type, |
| 3484 | struct bt_ctf_field_type_floating_point, parent); |
| 3485 | copy = bt_ctf_field_type_floating_point_create(); |
| 3486 | if (!copy) { |
| 3487 | goto end; |
| 3488 | } |
| 3489 | |
| 3490 | copy_float = container_of(copy, |
| 3491 | struct bt_ctf_field_type_floating_point, parent); |
| 3492 | copy_float->user_byte_order = floating_point->user_byte_order; |
| 3493 | copy_float->exp_dig = floating_point->exp_dig; |
| 3494 | copy_float->mant_dig = floating_point->mant_dig; |
| 3495 | end: |
| 3496 | return copy; |
| 3497 | } |
| 3498 | |
| 3499 | static |
| 3500 | struct bt_ctf_field_type *bt_ctf_field_type_structure_copy( |
| 3501 | struct bt_ctf_field_type *type) |
| 3502 | { |
| 3503 | int i; |
| 3504 | GHashTableIter iter; |
| 3505 | gpointer key, value; |
| 3506 | struct bt_ctf_field_type *copy; |
| 3507 | struct bt_ctf_field_type_structure *structure, *copy_structure; |
| 3508 | |
| 3509 | structure = container_of(type, struct bt_ctf_field_type_structure, |
| 3510 | parent); |
| 3511 | copy = bt_ctf_field_type_structure_create(); |
| 3512 | if (!copy) { |
| 3513 | goto end; |
| 3514 | } |
| 3515 | |
| 3516 | copy_structure = container_of(copy, |
| 3517 | struct bt_ctf_field_type_structure, parent); |
| 3518 | |
| 3519 | /* Copy field_name_to_index */ |
| 3520 | g_hash_table_iter_init(&iter, structure->field_name_to_index); |
| 3521 | while (g_hash_table_iter_next (&iter, &key, &value)) { |
| 3522 | g_hash_table_insert(copy_structure->field_name_to_index, |
| 3523 | key, value); |
| 3524 | } |
| 3525 | |
| 3526 | for (i = 0; i < structure->fields->len; i++) { |
| 3527 | struct structure_field *entry, *copy_entry; |
| 3528 | struct bt_ctf_field_type *copy_field; |
| 3529 | |
| 3530 | copy_entry = g_new0(struct structure_field, 1); |
| 3531 | if (!copy_entry) { |
| 3532 | goto error; |
| 3533 | } |
| 3534 | |
| 3535 | entry = g_ptr_array_index(structure->fields, i); |
| 3536 | copy_field = bt_ctf_field_type_copy(entry->type); |
| 3537 | if (!copy_field) { |
| 3538 | g_free(copy_entry); |
| 3539 | goto error; |
| 3540 | } |
| 3541 | |
| 3542 | copy_entry->name = entry->name; |
| 3543 | copy_entry->type = copy_field; |
| 3544 | g_ptr_array_add(copy_structure->fields, copy_entry); |
| 3545 | } |
| 3546 | |
| 3547 | end: |
| 3548 | return copy; |
| 3549 | error: |
| 3550 | BT_PUT(copy); |
| 3551 | return copy; |
| 3552 | } |
| 3553 | |
| 3554 | static |
| 3555 | struct bt_ctf_field_type *bt_ctf_field_type_variant_copy( |
| 3556 | struct bt_ctf_field_type *type) |
| 3557 | { |
| 3558 | int i; |
| 3559 | GHashTableIter iter; |
| 3560 | gpointer key, value; |
| 3561 | struct bt_ctf_field_type *copy = NULL, *copy_tag = NULL; |
| 3562 | struct bt_ctf_field_type_variant *variant, *copy_variant; |
| 3563 | |
| 3564 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 3565 | parent); |
| 3566 | if (variant->tag) { |
| 3567 | copy_tag = bt_ctf_field_type_copy(&variant->tag->parent); |
| 3568 | if (!copy_tag) { |
| 3569 | goto end; |
| 3570 | } |
| 3571 | } |
| 3572 | |
| 3573 | copy = bt_ctf_field_type_variant_create(copy_tag, |
| 3574 | variant->tag_name->len ? variant->tag_name->str : NULL); |
| 3575 | if (!copy) { |
| 3576 | goto end; |
| 3577 | } |
| 3578 | |
| 3579 | copy_variant = container_of(copy, struct bt_ctf_field_type_variant, |
| 3580 | parent); |
| 3581 | |
| 3582 | /* Copy field_name_to_index */ |
| 3583 | g_hash_table_iter_init(&iter, variant->field_name_to_index); |
| 3584 | while (g_hash_table_iter_next (&iter, &key, &value)) { |
| 3585 | g_hash_table_insert(copy_variant->field_name_to_index, |
| 3586 | key, value); |
| 3587 | } |
| 3588 | |
| 3589 | for (i = 0; i < variant->fields->len; i++) { |
| 3590 | struct structure_field *entry, *copy_entry; |
| 3591 | struct bt_ctf_field_type *copy_field; |
| 3592 | |
| 3593 | copy_entry = g_new0(struct structure_field, 1); |
| 3594 | if (!copy_entry) { |
| 3595 | goto error; |
| 3596 | } |
| 3597 | |
| 3598 | entry = g_ptr_array_index(variant->fields, i); |
| 3599 | copy_field = bt_ctf_field_type_copy(entry->type); |
| 3600 | if (!copy_field) { |
| 3601 | g_free(copy_entry); |
| 3602 | goto error; |
| 3603 | } |
| 3604 | |
| 3605 | copy_entry->name = entry->name; |
| 3606 | copy_entry->type = copy_field; |
| 3607 | g_ptr_array_add(copy_variant->fields, copy_entry); |
| 3608 | } |
| 3609 | |
| 3610 | if (variant->tag_field_path) { |
| 3611 | copy_variant->tag_field_path = bt_ctf_field_path_copy( |
| 3612 | variant->tag_field_path); |
| 3613 | if (!copy_variant->tag_field_path) { |
| 3614 | goto error; |
| 3615 | } |
| 3616 | } |
| 3617 | end: |
| 3618 | bt_put(copy_tag); |
| 3619 | return copy; |
| 3620 | error: |
| 3621 | bt_put(copy_tag); |
| 3622 | BT_PUT(copy); |
| 3623 | return copy; |
| 3624 | } |
| 3625 | |
| 3626 | static |
| 3627 | struct bt_ctf_field_type *bt_ctf_field_type_array_copy( |
| 3628 | struct bt_ctf_field_type *type) |
| 3629 | { |
| 3630 | struct bt_ctf_field_type *copy = NULL, *copy_element; |
| 3631 | struct bt_ctf_field_type_array *array; |
| 3632 | |
| 3633 | array = container_of(type, struct bt_ctf_field_type_array, |
| 3634 | parent); |
| 3635 | copy_element = bt_ctf_field_type_copy(array->element_type); |
| 3636 | if (!copy_element) { |
| 3637 | goto end; |
| 3638 | } |
| 3639 | |
| 3640 | copy = bt_ctf_field_type_array_create(copy_element, array->length); |
| 3641 | if (!copy) { |
| 3642 | goto end; |
| 3643 | } |
| 3644 | end: |
| 3645 | bt_put(copy_element); |
| 3646 | return copy; |
| 3647 | } |
| 3648 | |
| 3649 | static |
| 3650 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy( |
| 3651 | struct bt_ctf_field_type *type) |
| 3652 | { |
| 3653 | struct bt_ctf_field_type *copy = NULL, *copy_element; |
| 3654 | struct bt_ctf_field_type_sequence *sequence, *copy_sequence; |
| 3655 | |
| 3656 | sequence = container_of(type, struct bt_ctf_field_type_sequence, |
| 3657 | parent); |
| 3658 | copy_element = bt_ctf_field_type_copy(sequence->element_type); |
| 3659 | if (!copy_element) { |
| 3660 | goto end; |
| 3661 | } |
| 3662 | |
| 3663 | copy = bt_ctf_field_type_sequence_create(copy_element, |
| 3664 | sequence->length_field_name->len ? |
| 3665 | sequence->length_field_name->str : NULL); |
| 3666 | if (!copy) { |
| 3667 | goto end; |
| 3668 | } |
| 3669 | |
| 3670 | copy_sequence = container_of(copy, struct bt_ctf_field_type_sequence, |
| 3671 | parent); |
| 3672 | if (sequence->length_field_path) { |
| 3673 | copy_sequence->length_field_path = bt_ctf_field_path_copy( |
| 3674 | sequence->length_field_path); |
| 3675 | if (!copy_sequence->length_field_path) { |
| 3676 | goto error; |
| 3677 | } |
| 3678 | } |
| 3679 | end: |
| 3680 | bt_put(copy_element); |
| 3681 | return copy; |
| 3682 | error: |
| 3683 | BT_PUT(copy); |
| 3684 | goto end; |
| 3685 | } |
| 3686 | |
| 3687 | static |
| 3688 | struct bt_ctf_field_type *bt_ctf_field_type_string_copy( |
| 3689 | struct bt_ctf_field_type *type) |
| 3690 | { |
| 3691 | struct bt_ctf_field_type *copy; |
| 3692 | struct bt_ctf_field_type_string *string; |
| 3693 | |
| 3694 | copy = bt_ctf_field_type_string_create(); |
| 3695 | if (!copy) { |
| 3696 | goto end; |
| 3697 | } |
| 3698 | |
| 3699 | string = container_of(type, struct bt_ctf_field_type_string, |
| 3700 | parent); |
| 3701 | end: |
| 3702 | return copy; |
| 3703 | } |
| 3704 | |
| 3705 | static |
| 3706 | int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *type_a, |
| 3707 | struct bt_ctf_field_type *type_b) |
| 3708 | { |
| 3709 | int ret = 1; |
| 3710 | struct bt_ctf_field_type_integer *int_type_a; |
| 3711 | struct bt_ctf_field_type_integer *int_type_b; |
| 3712 | |
| 3713 | int_type_a = container_of(type_a, struct bt_ctf_field_type_integer, |
| 3714 | parent); |
| 3715 | int_type_b = container_of(type_b, struct bt_ctf_field_type_integer, |
| 3716 | parent); |
| 3717 | |
| 3718 | /* Length */ |
| 3719 | if (int_type_a->size != int_type_b->size) { |
| 3720 | goto end; |
| 3721 | } |
| 3722 | |
| 3723 | /* Byte order */ |
| 3724 | if (int_type_a->user_byte_order != int_type_b->user_byte_order) { |
| 3725 | goto end; |
| 3726 | } |
| 3727 | |
| 3728 | /* Signedness */ |
| 3729 | if (int_type_a->is_signed != int_type_b->is_signed) { |
| 3730 | goto end; |
| 3731 | } |
| 3732 | |
| 3733 | /* Base */ |
| 3734 | if (int_type_a->base != int_type_b->base) { |
| 3735 | goto end; |
| 3736 | } |
| 3737 | |
| 3738 | /* Encoding */ |
| 3739 | if (int_type_a->encoding != int_type_b->encoding) { |
| 3740 | goto end; |
| 3741 | } |
| 3742 | |
| 3743 | /* Mapped clock */ |
| 3744 | if (int_type_a->mapped_clock != int_type_b->mapped_clock) { |
| 3745 | goto end; |
| 3746 | } |
| 3747 | |
| 3748 | /* Equal */ |
| 3749 | ret = 0; |
| 3750 | |
| 3751 | end: |
| 3752 | return ret; |
| 3753 | } |
| 3754 | |
| 3755 | static |
| 3756 | int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *type_a, |
| 3757 | struct bt_ctf_field_type *type_b) |
| 3758 | { |
| 3759 | int ret = 1; |
| 3760 | struct bt_ctf_field_type_floating_point *float_a; |
| 3761 | struct bt_ctf_field_type_floating_point *float_b; |
| 3762 | |
| 3763 | float_a = container_of(type_a, |
| 3764 | struct bt_ctf_field_type_floating_point, parent); |
| 3765 | float_b = container_of(type_b, |
| 3766 | struct bt_ctf_field_type_floating_point, parent); |
| 3767 | |
| 3768 | /* Byte order */ |
| 3769 | if (float_a->user_byte_order != float_b->user_byte_order) { |
| 3770 | goto end; |
| 3771 | } |
| 3772 | |
| 3773 | /* Exponent length */ |
| 3774 | if (float_a->exp_dig != float_b->exp_dig) { |
| 3775 | goto end; |
| 3776 | } |
| 3777 | |
| 3778 | /* Mantissa length */ |
| 3779 | if (float_a->mant_dig != float_b->mant_dig) { |
| 3780 | goto end; |
| 3781 | } |
| 3782 | |
| 3783 | /* Equal */ |
| 3784 | ret = 0; |
| 3785 | |
| 3786 | end: |
| 3787 | return ret; |
| 3788 | } |
| 3789 | |
| 3790 | static |
| 3791 | int compare_enumeration_mappings(struct enumeration_mapping *mapping_a, |
| 3792 | struct enumeration_mapping *mapping_b) |
| 3793 | { |
| 3794 | int ret = 1; |
| 3795 | |
| 3796 | /* Label */ |
| 3797 | if (mapping_a->string != mapping_b->string) { |
| 3798 | goto end; |
| 3799 | } |
| 3800 | |
| 3801 | /* Range start */ |
| 3802 | if (mapping_a->range_start._unsigned != |
| 3803 | mapping_b->range_start._unsigned) { |
| 3804 | goto end; |
| 3805 | } |
| 3806 | |
| 3807 | /* Range end */ |
| 3808 | if (mapping_a->range_end._unsigned != |
| 3809 | mapping_b->range_end._unsigned) { |
| 3810 | goto end; |
| 3811 | } |
| 3812 | |
| 3813 | /* Equal */ |
| 3814 | ret = 0; |
| 3815 | |
| 3816 | end: |
| 3817 | return ret; |
| 3818 | } |
| 3819 | |
| 3820 | static |
| 3821 | int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *type_a, |
| 3822 | struct bt_ctf_field_type *type_b) |
| 3823 | { |
| 3824 | int ret = 1; |
| 3825 | int i; |
| 3826 | struct bt_ctf_field_type_enumeration *enum_a; |
| 3827 | struct bt_ctf_field_type_enumeration *enum_b; |
| 3828 | |
| 3829 | enum_a = container_of(type_a, |
| 3830 | struct bt_ctf_field_type_enumeration, parent); |
| 3831 | enum_b = container_of(type_b, |
| 3832 | struct bt_ctf_field_type_enumeration, parent); |
| 3833 | |
| 3834 | /* Container field type */ |
| 3835 | ret = bt_ctf_field_type_compare(enum_a->container, enum_b->container); |
| 3836 | if (ret) { |
| 3837 | goto end; |
| 3838 | } |
| 3839 | |
| 3840 | ret = 1; |
| 3841 | |
| 3842 | /* Entries */ |
| 3843 | if (enum_a->entries->len != enum_b->entries->len) { |
| 3844 | goto end; |
| 3845 | } |
| 3846 | |
| 3847 | for (i = 0; i < enum_a->entries->len; ++i) { |
| 3848 | struct enumeration_mapping *mapping_a = |
| 3849 | g_ptr_array_index(enum_a->entries, i); |
| 3850 | struct enumeration_mapping *mapping_b = |
| 3851 | g_ptr_array_index(enum_b->entries, i); |
| 3852 | |
| 3853 | if (compare_enumeration_mappings(mapping_a, mapping_b)) { |
| 3854 | goto end; |
| 3855 | } |
| 3856 | } |
| 3857 | |
| 3858 | /* Equal */ |
| 3859 | ret = 0; |
| 3860 | |
| 3861 | end: |
| 3862 | return ret; |
| 3863 | } |
| 3864 | |
| 3865 | static |
| 3866 | int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *type_a, |
| 3867 | struct bt_ctf_field_type *type_b) |
| 3868 | { |
| 3869 | int ret = 1; |
| 3870 | struct bt_ctf_field_type_string *string_a; |
| 3871 | struct bt_ctf_field_type_string *string_b; |
| 3872 | |
| 3873 | string_a = container_of(type_a, |
| 3874 | struct bt_ctf_field_type_string, parent); |
| 3875 | string_b = container_of(type_b, |
| 3876 | struct bt_ctf_field_type_string, parent); |
| 3877 | |
| 3878 | /* Encoding */ |
| 3879 | if (string_a->encoding != string_b->encoding) { |
| 3880 | goto end; |
| 3881 | } |
| 3882 | |
| 3883 | /* Equal */ |
| 3884 | ret = 0; |
| 3885 | |
| 3886 | end: |
| 3887 | return ret; |
| 3888 | } |
| 3889 | |
| 3890 | static |
| 3891 | int compare_structure_fields(struct structure_field *field_a, |
| 3892 | struct structure_field *field_b) |
| 3893 | { |
| 3894 | int ret = 1; |
| 3895 | |
| 3896 | /* Label */ |
| 3897 | if (field_a->name != field_b->name) { |
| 3898 | goto end; |
| 3899 | } |
| 3900 | |
| 3901 | /* Type */ |
| 3902 | ret = bt_ctf_field_type_compare(field_a->type, field_b->type); |
| 3903 | |
| 3904 | end: |
| 3905 | return ret; |
| 3906 | } |
| 3907 | |
| 3908 | static |
| 3909 | int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *type_a, |
| 3910 | struct bt_ctf_field_type *type_b) |
| 3911 | { |
| 3912 | int ret = 1; |
| 3913 | int i; |
| 3914 | struct bt_ctf_field_type_structure *struct_a; |
| 3915 | struct bt_ctf_field_type_structure *struct_b; |
| 3916 | |
| 3917 | struct_a = container_of(type_a, |
| 3918 | struct bt_ctf_field_type_structure, parent); |
| 3919 | struct_b = container_of(type_b, |
| 3920 | struct bt_ctf_field_type_structure, parent); |
| 3921 | |
| 3922 | /* Alignment */ |
| 3923 | if (bt_ctf_field_type_get_alignment(type_a) != |
| 3924 | bt_ctf_field_type_get_alignment(type_b)) { |
| 3925 | goto end; |
| 3926 | } |
| 3927 | |
| 3928 | /* Fields */ |
| 3929 | if (struct_a->fields->len != struct_b->fields->len) { |
| 3930 | goto end; |
| 3931 | } |
| 3932 | |
| 3933 | for (i = 0; i < struct_a->fields->len; ++i) { |
| 3934 | struct structure_field *field_a = |
| 3935 | g_ptr_array_index(struct_a->fields, i); |
| 3936 | struct structure_field *field_b = |
| 3937 | g_ptr_array_index(struct_b->fields, i); |
| 3938 | |
| 3939 | ret = compare_structure_fields(field_a, field_b); |
| 3940 | if (ret) { |
| 3941 | goto end; |
| 3942 | } |
| 3943 | } |
| 3944 | |
| 3945 | /* Equal */ |
| 3946 | ret = 0; |
| 3947 | |
| 3948 | end: |
| 3949 | return ret; |
| 3950 | } |
| 3951 | |
| 3952 | static |
| 3953 | int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *type_a, |
| 3954 | struct bt_ctf_field_type *type_b) |
| 3955 | { |
| 3956 | int ret = 1; |
| 3957 | int i; |
| 3958 | struct bt_ctf_field_type_variant *variant_a; |
| 3959 | struct bt_ctf_field_type_variant *variant_b; |
| 3960 | |
| 3961 | variant_a = container_of(type_a, |
| 3962 | struct bt_ctf_field_type_variant, parent); |
| 3963 | variant_b = container_of(type_b, |
| 3964 | struct bt_ctf_field_type_variant, parent); |
| 3965 | |
| 3966 | /* Tag name */ |
| 3967 | if (strcmp(variant_a->tag_name->str, variant_b->tag_name->str)) { |
| 3968 | goto end; |
| 3969 | } |
| 3970 | |
| 3971 | /* Tag type */ |
| 3972 | ret = bt_ctf_field_type_compare( |
| 3973 | (struct bt_ctf_field_type *) variant_a->tag, |
| 3974 | (struct bt_ctf_field_type *) variant_b->tag); |
| 3975 | if (ret) { |
| 3976 | goto end; |
| 3977 | } |
| 3978 | |
| 3979 | ret = 1; |
| 3980 | |
| 3981 | /* Fields */ |
| 3982 | if (variant_a->fields->len != variant_b->fields->len) { |
| 3983 | goto end; |
| 3984 | } |
| 3985 | |
| 3986 | for (i = 0; i < variant_a->fields->len; ++i) { |
| 3987 | struct structure_field *field_a = |
| 3988 | g_ptr_array_index(variant_a->fields, i); |
| 3989 | struct structure_field *field_b = |
| 3990 | g_ptr_array_index(variant_b->fields, i); |
| 3991 | |
| 3992 | ret = compare_structure_fields(field_a, field_b); |
| 3993 | if (ret) { |
| 3994 | goto end; |
| 3995 | } |
| 3996 | } |
| 3997 | |
| 3998 | /* Equal */ |
| 3999 | ret = 0; |
| 4000 | |
| 4001 | end: |
| 4002 | return ret; |
| 4003 | } |
| 4004 | |
| 4005 | static |
| 4006 | int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *type_a, |
| 4007 | struct bt_ctf_field_type *type_b) |
| 4008 | { |
| 4009 | int ret = 1; |
| 4010 | struct bt_ctf_field_type_array *array_a; |
| 4011 | struct bt_ctf_field_type_array *array_b; |
| 4012 | |
| 4013 | array_a = container_of(type_a, |
| 4014 | struct bt_ctf_field_type_array, parent); |
| 4015 | array_b = container_of(type_b, |
| 4016 | struct bt_ctf_field_type_array, parent); |
| 4017 | |
| 4018 | /* Length */ |
| 4019 | if (array_a->length != array_b->length) { |
| 4020 | goto end; |
| 4021 | } |
| 4022 | |
| 4023 | /* Element type */ |
| 4024 | ret = bt_ctf_field_type_compare(array_a->element_type, |
| 4025 | array_b->element_type); |
| 4026 | |
| 4027 | end: |
| 4028 | return ret; |
| 4029 | } |
| 4030 | |
| 4031 | static |
| 4032 | int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *type_a, |
| 4033 | struct bt_ctf_field_type *type_b) |
| 4034 | { |
| 4035 | int ret = -1; |
| 4036 | struct bt_ctf_field_type_sequence *sequence_a; |
| 4037 | struct bt_ctf_field_type_sequence *sequence_b; |
| 4038 | |
| 4039 | sequence_a = container_of(type_a, |
| 4040 | struct bt_ctf_field_type_sequence, parent); |
| 4041 | sequence_b = container_of(type_b, |
| 4042 | struct bt_ctf_field_type_sequence, parent); |
| 4043 | |
| 4044 | /* Length name */ |
| 4045 | if (strcmp(sequence_a->length_field_name->str, |
| 4046 | sequence_b->length_field_name->str)) { |
| 4047 | goto end; |
| 4048 | } |
| 4049 | |
| 4050 | /* Element type */ |
| 4051 | ret = bt_ctf_field_type_compare(sequence_a->element_type, |
| 4052 | sequence_b->element_type); |
| 4053 | |
| 4054 | end: |
| 4055 | return ret; |
| 4056 | } |
| 4057 | |
| 4058 | int bt_ctf_field_type_compare(struct bt_ctf_field_type *type_a, |
| 4059 | struct bt_ctf_field_type *type_b) |
| 4060 | { |
| 4061 | int ret = 1; |
| 4062 | |
| 4063 | if (type_a == type_b) { |
| 4064 | /* Same reference: equal (even if both are NULL) */ |
| 4065 | ret = 0; |
| 4066 | goto end; |
| 4067 | } |
| 4068 | |
| 4069 | if (!type_a || !type_b) { |
| 4070 | ret = -1; |
| 4071 | goto end; |
| 4072 | } |
| 4073 | |
| 4074 | if (type_a->id != type_b->id) { |
| 4075 | /* Different type IDs */ |
| 4076 | goto end; |
| 4077 | } |
| 4078 | |
| 4079 | if (type_a->id == BT_CTF_FIELD_TYPE_ID_UNKNOWN) { |
| 4080 | /* Both have unknown type IDs */ |
| 4081 | goto end; |
| 4082 | } |
| 4083 | |
| 4084 | ret = type_compare_funcs[type_a->id](type_a, type_b); |
| 4085 | |
| 4086 | end: |
| 4087 | return ret; |
| 4088 | } |
| 4089 | |
| 4090 | BT_HIDDEN |
| 4091 | int bt_ctf_field_type_get_field_count(struct bt_ctf_field_type *field_type) |
| 4092 | { |
| 4093 | int field_count = -1; |
| 4094 | enum bt_ctf_field_type_id type_id = bt_ctf_field_type_get_type_id(field_type); |
| 4095 | |
| 4096 | switch (type_id) { |
| 4097 | case CTF_TYPE_STRUCT: |
| 4098 | field_count = |
| 4099 | bt_ctf_field_type_structure_get_field_count(field_type); |
| 4100 | break; |
| 4101 | case CTF_TYPE_VARIANT: |
| 4102 | field_count = |
| 4103 | bt_ctf_field_type_variant_get_field_count(field_type); |
| 4104 | break; |
| 4105 | case CTF_TYPE_ARRAY: |
| 4106 | case CTF_TYPE_SEQUENCE: |
| 4107 | /* |
| 4108 | * Array and sequence types always contain a single member |
| 4109 | * (the element type). |
| 4110 | */ |
| 4111 | field_count = 1; |
| 4112 | break; |
| 4113 | default: |
| 4114 | break; |
| 4115 | } |
| 4116 | |
| 4117 | return field_count; |
| 4118 | } |
| 4119 | |
| 4120 | BT_HIDDEN |
| 4121 | struct bt_ctf_field_type *bt_ctf_field_type_get_field_at_index( |
| 4122 | struct bt_ctf_field_type *field_type, int index) |
| 4123 | { |
| 4124 | struct bt_ctf_field_type *field = NULL; |
| 4125 | enum bt_ctf_field_type_id type_id = bt_ctf_field_type_get_type_id(field_type); |
| 4126 | |
| 4127 | switch (type_id) { |
| 4128 | case CTF_TYPE_STRUCT: |
| 4129 | bt_ctf_field_type_structure_get_field(field_type, NULL, &field, |
| 4130 | index); |
| 4131 | break; |
| 4132 | case CTF_TYPE_VARIANT: |
| 4133 | { |
| 4134 | int ret = bt_ctf_field_type_variant_get_field(field_type, NULL, |
| 4135 | &field, index); |
| 4136 | if (ret) { |
| 4137 | field = NULL; |
| 4138 | goto end; |
| 4139 | } |
| 4140 | break; |
| 4141 | } |
| 4142 | case CTF_TYPE_ARRAY: |
| 4143 | field = bt_ctf_field_type_array_get_element_type(field_type); |
| 4144 | break; |
| 4145 | case CTF_TYPE_SEQUENCE: |
| 4146 | field = bt_ctf_field_type_sequence_get_element_type(field_type); |
| 4147 | break; |
| 4148 | default: |
| 4149 | break; |
| 4150 | } |
| 4151 | end: |
| 4152 | return field; |
| 4153 | } |
| 4154 | |
| 4155 | BT_HIDDEN |
| 4156 | int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type *field_type, |
| 4157 | const char *name) |
| 4158 | { |
| 4159 | int field_index = -1; |
| 4160 | enum bt_ctf_field_type_id type_id = bt_ctf_field_type_get_type_id(field_type); |
| 4161 | |
| 4162 | switch (type_id) { |
| 4163 | case CTF_TYPE_STRUCT: |
| 4164 | field_index = bt_ctf_field_type_structure_get_field_name_index( |
| 4165 | field_type, name); |
| 4166 | break; |
| 4167 | case CTF_TYPE_VARIANT: |
| 4168 | field_index = bt_ctf_field_type_variant_get_field_name_index( |
| 4169 | field_type, name); |
| 4170 | break; |
| 4171 | default: |
| 4172 | break; |
| 4173 | } |
| 4174 | |
| 4175 | return field_index; |
| 4176 | } |
| 4177 | |
| 4178 | struct bt_ctf_field_path *bt_ctf_field_type_variant_get_tag_field_path( |
| 4179 | struct bt_ctf_field_type *type) |
| 4180 | { |
| 4181 | struct bt_ctf_field_path *field_path = NULL; |
| 4182 | struct bt_ctf_field_type_variant *variant; |
| 4183 | |
| 4184 | if (!type || !bt_ctf_field_type_is_variant(type)) { |
| 4185 | goto end; |
| 4186 | } |
| 4187 | |
| 4188 | variant = container_of(type, struct bt_ctf_field_type_variant, |
| 4189 | parent); |
| 4190 | field_path = bt_get(variant->tag_field_path); |
| 4191 | end: |
| 4192 | return field_path; |
| 4193 | } |
| 4194 | |
| 4195 | struct bt_ctf_field_path *bt_ctf_field_type_sequence_get_length_field_path( |
| 4196 | struct bt_ctf_field_type *type) |
| 4197 | { |
| 4198 | struct bt_ctf_field_path *field_path = NULL; |
| 4199 | struct bt_ctf_field_type_sequence *sequence; |
| 4200 | |
| 4201 | if (!type || !bt_ctf_field_type_is_sequence(type)) { |
| 4202 | goto end; |
| 4203 | } |
| 4204 | |
| 4205 | sequence = container_of(type, struct bt_ctf_field_type_sequence, |
| 4206 | parent); |
| 4207 | field_path = bt_get(sequence->length_field_path); |
| 4208 | end: |
| 4209 | return field_path; |
| 4210 | } |