--- /dev/null
+/*
+ * field-types.c
+ *
+ * Babeltrace CTF IR - Event Types
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-ir/field-types-internal.h>
+#include <babeltrace/ctf-ir/field-path-internal.h>
+#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/ctf-ir/clock.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/compiler.h>
+#include <babeltrace/endian.h>
+#include <float.h>
+#include <inttypes.h>
+#include <stdlib.h>
+
+struct range_overlap_query {
+ union {
+ uint64_t _unsigned;
+ int64_t _signed;
+ } range_start;
+
+ union {
+ uint64_t _unsigned;
+ int64_t _signed;
+ } range_end;
+ int overlaps;
+ GQuark mapping_name;
+};
+
+static
+void bt_ctf_field_type_destroy(struct bt_object *);
+static
+void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *);
+
+static
+void (* const type_destroy_funcs[])(struct bt_ctf_field_type *) = {
+ [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_destroy,
+ [BT_CTF_TYPE_ID_ENUM] =
+ bt_ctf_field_type_enumeration_destroy,
+ [BT_CTF_TYPE_ID_FLOAT] =
+ bt_ctf_field_type_floating_point_destroy,
+ [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_destroy,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_destroy,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_destroy,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_destroy,
+ [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_destroy,
+};
+
+static
+void generic_field_type_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *);
+
+static
+type_freeze_func const type_freeze_funcs[] = {
+ [BT_CTF_TYPE_ID_INTEGER] = generic_field_type_freeze,
+ [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_freeze,
+ [BT_CTF_TYPE_ID_FLOAT] = generic_field_type_freeze,
+ [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_freeze,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_freeze,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_freeze,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_freeze,
+ [BT_CTF_TYPE_ID_STRING] = generic_field_type_freeze,
+};
+
+static
+int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_floating_point_serialize(
+ struct bt_ctf_field_type *, struct metadata_context *);
+static
+int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+
+static
+type_serialize_func const type_serialize_funcs[] = {
+ [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_serialize,
+ [BT_CTF_TYPE_ID_ENUM] =
+ bt_ctf_field_type_enumeration_serialize,
+ [BT_CTF_TYPE_ID_FLOAT] =
+ bt_ctf_field_type_floating_point_serialize,
+ [BT_CTF_TYPE_ID_STRUCT] =
+ bt_ctf_field_type_structure_serialize,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_serialize,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_serialize,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_serialize,
+ [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_serialize,
+};
+
+static
+void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order, int set_native);
+static
+void bt_ctf_field_type_enumeration_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order, int set_native);
+static
+void bt_ctf_field_type_floating_point_set_byte_order(
+ struct bt_ctf_field_type *, int byte_order, int set_native);
+static
+void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order, int set_native);
+static
+void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order, int set_native);
+static
+void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order, int set_native);
+static
+void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order, int set_native);
+
+/* The set_native flag only set the byte order if it is set to native */
+static
+void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *,
+ int byte_order, int set_native) = {
+ [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_set_byte_order,
+ [BT_CTF_TYPE_ID_ENUM] =
+ bt_ctf_field_type_enumeration_set_byte_order,
+ [BT_CTF_TYPE_ID_FLOAT] =
+ bt_ctf_field_type_floating_point_set_byte_order,
+ [BT_CTF_TYPE_ID_STRUCT] =
+ bt_ctf_field_type_structure_set_byte_order,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_set_byte_order,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_set_byte_order,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_set_byte_order,
+ [BT_CTF_TYPE_ID_STRING] = NULL,
+};
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_integer_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_structure_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_variant_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_array_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field_type *bt_ctf_field_type_string_copy(
+ struct bt_ctf_field_type *);
+
+static
+struct bt_ctf_field_type *(* const type_copy_funcs[])(
+ struct bt_ctf_field_type *) = {
+ [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_copy,
+ [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_copy,
+ [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_copy,
+ [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_copy,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_copy,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_copy,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_copy,
+ [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_copy,
+};
+
+static
+int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *);
+
+static
+int (* const type_compare_funcs[])(struct bt_ctf_field_type *,
+ struct bt_ctf_field_type *) = {
+ [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_compare,
+ [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_compare,
+ [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_compare,
+ [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_compare,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_compare,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_compare,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_compare,
+ [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_compare,
+};
+
+static
+int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *);
+static
+int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *);
+
+static
+int (* const type_validate_funcs[])(struct bt_ctf_field_type *) = {
+ [BT_CTF_TYPE_ID_INTEGER] = NULL,
+ [BT_CTF_TYPE_ID_FLOAT] = NULL,
+ [BT_CTF_TYPE_ID_STRING] = NULL,
+ [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_validate,
+ [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_validate,
+ [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_validate,
+ [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_validate,
+ [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_validate,
+};
+
+static
+void destroy_enumeration_mapping(struct enumeration_mapping *mapping)
+{
+ g_free(mapping);
+}
+
+static
+void destroy_structure_field(struct structure_field *field)
+{
+ bt_put(field->type);
+ g_free(field);
+}
+
+static
+void check_ranges_overlap(gpointer element, gpointer query)
+{
+ struct enumeration_mapping *mapping = element;
+ struct range_overlap_query *overlap_query = query;
+
+ if (mapping->range_start._signed <= overlap_query->range_end._signed
+ && overlap_query->range_start._signed <=
+ mapping->range_end._signed) {
+ overlap_query->overlaps = 1;
+ overlap_query->mapping_name = mapping->string;
+ }
+
+ overlap_query->overlaps |=
+ mapping->string == overlap_query->mapping_name;
+}
+
+static
+void check_ranges_overlap_unsigned(gpointer element, gpointer query)
+{
+ struct enumeration_mapping *mapping = element;
+ struct range_overlap_query *overlap_query = query;
+
+ if (mapping->range_start._unsigned <= overlap_query->range_end._unsigned
+ && overlap_query->range_start._unsigned <=
+ mapping->range_end._unsigned) {
+ overlap_query->overlaps = 1;
+ overlap_query->mapping_name = mapping->string;
+ }
+
+ overlap_query->overlaps |=
+ mapping->string == overlap_query->mapping_name;
+}
+
+static
+gint compare_enumeration_mappings_signed(struct enumeration_mapping **a,
+ struct enumeration_mapping **b)
+{
+ return ((*a)->range_start._signed < (*b)->range_start._signed) ? -1 : 1;
+}
+
+static
+gint compare_enumeration_mappings_unsigned(struct enumeration_mapping **a,
+ struct enumeration_mapping **b)
+{
+ return ((*a)->range_start._unsigned < (*b)->range_start._unsigned) ? -1 : 1;
+}
+
+static
+void bt_ctf_field_type_init(struct bt_ctf_field_type *type, int init_bo)
+{
+ enum bt_ctf_type_id type_id = type->declaration->id;
+
+ assert(type && (type_id > BT_CTF_TYPE_ID_UNKNOWN) &&
+ (type_id < BT_CTF_NR_TYPE_IDS));
+
+ bt_object_init(type, bt_ctf_field_type_destroy);
+ type->freeze = type_freeze_funcs[type_id];
+ type->serialize = type_serialize_funcs[type_id];
+
+ if (init_bo) {
+ int ret = bt_ctf_field_type_set_byte_order(type,
+ BT_CTF_BYTE_ORDER_NATIVE);
+ assert(!ret);
+ }
+
+ type->declaration->alignment = 1;
+}
+
+static
+int add_structure_field(GPtrArray *fields,
+ GHashTable *field_name_to_index,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name)
+{
+ int ret = 0;
+ GQuark name_quark = g_quark_from_string(field_name);
+ struct structure_field *field;
+
+ /* Make sure structure does not contain a field of the same name */
+ if (g_hash_table_lookup_extended(field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, NULL)) {
+ ret = -1;
+ goto end;
+ }
+
+ field = g_new0(struct structure_field, 1);
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(field_type);
+ field->name = name_quark;
+ field->type = field_type;
+ g_hash_table_insert(field_name_to_index,
+ (gpointer) (unsigned long) name_quark,
+ (gpointer) (unsigned long) fields->len);
+ g_ptr_array_add(fields, field);
+end:
+ return ret;
+}
+
+static
+void bt_ctf_field_type_destroy(struct bt_object *obj)
+{
+ struct bt_ctf_field_type *type;
+ enum bt_ctf_type_id type_id;
+
+ type = container_of(obj, struct bt_ctf_field_type, base);
+ type_id = type->declaration->id;
+ if (type_id <= BT_CTF_TYPE_ID_UNKNOWN ||
+ type_id >= BT_CTF_NR_TYPE_IDS) {
+ return;
+ }
+
+ type_destroy_funcs[type_id](type);
+}
+
+static
+int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+
+ struct bt_ctf_field_type_enumeration *enumeration =
+ container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+ struct bt_ctf_field_type *container_type =
+ bt_ctf_field_type_enumeration_get_container_type(type);
+
+ if (!container_type) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_validate(container_type);
+ if (ret) {
+ goto end;
+ }
+
+ /* Ensure enum has entries */
+ ret = enumeration->entries->len ? 0 : -1;
+
+end:
+ BT_PUT(container_type);
+ return ret;
+}
+
+static
+int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *element_type = NULL;
+ struct bt_ctf_field_type_sequence *sequence =
+ container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+
+ /* Length field name should be set at this point */
+ if (sequence->length_field_name->len == 0) {
+ ret = -1;
+ goto end;
+ }
+
+ element_type = bt_ctf_field_type_sequence_get_element_type(type);
+ if (!element_type) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_validate(element_type);
+
+end:
+ BT_PUT(element_type);
+
+ return ret;
+}
+
+static
+int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *element_type = NULL;
+
+ element_type = bt_ctf_field_type_array_get_element_type(type);
+ if (!element_type) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_validate(element_type);
+
+end:
+ BT_PUT(element_type);
+
+ return ret;
+}
+
+static
+int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *child_type = NULL;
+ int field_count = bt_ctf_field_type_structure_get_field_count(type);
+ int i;
+
+ if (field_count < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < field_count; ++i) {
+ ret = bt_ctf_field_type_structure_get_field(type,
+ NULL, &child_type, i);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_validate(child_type);
+ if (ret) {
+ goto end;
+ }
+
+ BT_PUT(child_type);
+ }
+
+end:
+ BT_PUT(child_type);
+
+ return ret;
+}
+
+static
+int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ int field_count;
+ struct bt_ctf_field_type *child_type = NULL;
+ struct bt_ctf_field_type_variant *variant =
+ container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ int i;
+ int tag_mappings_count;
+
+ if (variant->tag_name->len == 0 || !variant->tag) {
+ ret = -1;
+ goto end;
+ }
+
+ tag_mappings_count =
+ bt_ctf_field_type_enumeration_get_mapping_count(
+ (struct bt_ctf_field_type *) variant->tag);
+
+ if (tag_mappings_count != variant->fields->len) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < tag_mappings_count; ++i) {
+ const char *label;
+ int64_t range_start, range_end;
+ struct bt_ctf_field_type *ft;
+
+ ret = bt_ctf_field_type_enumeration_get_mapping(
+ (struct bt_ctf_field_type *) variant->tag,
+ i, &label, &range_start, &range_end);
+ if (ret) {
+ goto end;
+ }
+ if (!label) {
+ ret = -1;
+ goto end;
+ }
+
+ ft = bt_ctf_field_type_variant_get_field_type_by_name(
+ type, label);
+ if (!ft) {
+ ret = -1;
+ goto end;
+ }
+
+ BT_PUT(ft);
+ }
+
+ field_count = bt_ctf_field_type_variant_get_field_count(type);
+ if (field_count < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < field_count; ++i) {
+ ret = bt_ctf_field_type_variant_get_field(type,
+ NULL, &child_type, i);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_validate(child_type);
+ if (ret) {
+ goto end;
+ }
+
+ BT_PUT(child_type);
+ }
+
+end:
+ BT_PUT(child_type);
+
+ return ret;
+}
+
+/*
+ * This function validates a given field type without considering
+ * where this field type is located. It only validates the properties
+ * of the given field type and the properties of its children if
+ * applicable.
+ */
+BT_HIDDEN
+int bt_ctf_field_type_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ enum bt_ctf_type_id id = bt_ctf_field_type_get_type_id(type);
+
+ if (!type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type->valid) {
+ /* Already marked as valid */
+ goto end;
+ }
+
+ if (type_validate_funcs[id]) {
+ ret = type_validate_funcs[id](type);
+ }
+
+ if (!ret && type->frozen) {
+ /* Field type is valid */
+ type->valid = 1;
+ }
+
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size)
+{
+ struct bt_ctf_field_type_integer *integer =
+ g_new0(struct bt_ctf_field_type_integer, 1);
+
+ if (!integer || size == 0 || size > 64) {
+ return NULL;
+ }
+
+ integer->parent.declaration = &integer->declaration.p;
+ integer->parent.declaration->id = BT_CTF_TYPE_ID_INTEGER;
+ integer->declaration.len = size;
+ integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL;
+ integer->declaration.encoding = BT_CTF_STRING_ENCODING_NONE;
+ bt_ctf_field_type_init(&integer->parent, TRUE);
+ return &integer->parent;
+}
+
+int bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ ret = (int) integer->declaration.len;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ ret = integer->declaration.signedness;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type,
+ int is_signed)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->frozen ||
+ type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ integer->declaration.signedness = !!is_signed;
+end:
+ return ret;
+}
+
+enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base(
+ struct bt_ctf_field_type *type)
+{
+ enum bt_ctf_integer_base ret = BT_CTF_INTEGER_BASE_UNKNOWN;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ ret = integer->declaration.base;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type,
+ enum bt_ctf_integer_base base)
+{
+ int ret = 0;
+
+ if (!type || type->frozen ||
+ type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ switch (base) {
+ case BT_CTF_INTEGER_BASE_BINARY:
+ case BT_CTF_INTEGER_BASE_OCTAL:
+ case BT_CTF_INTEGER_BASE_DECIMAL:
+ case BT_CTF_INTEGER_BASE_HEXADECIMAL:
+ {
+ struct bt_ctf_field_type_integer *integer = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+ integer->declaration.base = base;
+ break;
+ }
+ default:
+ ret = -1;
+ }
+end:
+ return ret;
+}
+
+enum bt_ctf_string_encoding bt_ctf_field_type_integer_get_encoding(
+ struct bt_ctf_field_type *type)
+{
+ enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ ret = integer->declaration.encoding;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type,
+ enum bt_ctf_string_encoding encoding)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != BT_CTF_TYPE_ID_INTEGER) ||
+ (encoding < BT_CTF_STRING_ENCODING_NONE) ||
+ (encoding >= BT_CTF_STRING_ENCODING_UNKNOWN)) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ integer->declaration.encoding = encoding;
+end:
+ return ret;
+}
+
+struct bt_ctf_clock *bt_ctf_field_type_integer_get_mapped_clock(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_integer *integer;
+ struct bt_ctf_clock *clock = NULL;
+
+ if (!type) {
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ clock = integer->mapped_clock;
+ bt_get(clock);
+end:
+ return clock;
+}
+
+int bt_ctf_field_type_integer_set_mapped_clock(
+ struct bt_ctf_field_type *type,
+ struct bt_ctf_clock *clock)
+{
+ struct bt_ctf_field_type_integer *integer;
+ int ret = 0;
+
+ if (!type || type->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ bt_put(integer->mapped_clock);
+ bt_get(clock);
+ integer->mapped_clock = clock;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create(
+ struct bt_ctf_field_type *integer_container_type)
+{
+ struct bt_ctf_field_type_enumeration *enumeration = NULL;
+
+ if (!integer_container_type) {
+ goto error;
+ }
+
+ if (integer_container_type->declaration->id != BT_CTF_TYPE_ID_INTEGER) {
+ goto error;
+ }
+
+ enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1);
+ if (!enumeration) {
+ goto error;
+ }
+
+ enumeration->parent.declaration = &enumeration->declaration.p;
+ enumeration->parent.declaration->id = BT_CTF_TYPE_ID_ENUM;
+ bt_get(integer_container_type);
+ enumeration->container = integer_container_type;
+ enumeration->entries = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)destroy_enumeration_mapping);
+ bt_ctf_field_type_init(&enumeration->parent, FALSE);
+ return &enumeration->parent;
+error:
+ g_free(enumeration);
+ return NULL;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *container_type = NULL;
+ struct bt_ctf_field_type_enumeration *enumeration_type;
+
+ if (!type) {
+ goto end;
+ }
+
+ if (type->declaration->id != BT_CTF_TYPE_ID_ENUM) {
+ goto end;
+ }
+
+ enumeration_type = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+ container_type = enumeration_type->container;
+ bt_get(container_type);
+end:
+ return container_type;
+}
+
+int bt_ctf_field_type_enumeration_add_mapping(
+ struct bt_ctf_field_type *type, const char *string,
+ int64_t range_start, int64_t range_end)
+{
+ int ret = 0;
+ GQuark mapping_name;
+ struct enumeration_mapping *mapping;
+ struct bt_ctf_field_type_enumeration *enumeration;
+ struct range_overlap_query query;
+ char *escaped_string;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM) ||
+ type->frozen ||
+ (range_end < range_start)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!string || strlen(string) == 0) {
+ ret = -1;
+ goto end;
+ }
+
+ escaped_string = g_strescape(string, NULL);
+ if (!escaped_string) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping_name = g_quark_from_string(escaped_string);
+ query = (struct range_overlap_query) {
+ .range_start._signed = range_start,
+ .range_end._signed = range_end,
+ .mapping_name = mapping_name,
+ .overlaps = 0 };
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+
+ /* Check that the range does not overlap with one already present */
+ g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query);
+ if (query.overlaps) {
+ ret = -1;
+ goto error_free;
+ }
+
+ mapping = g_new(struct enumeration_mapping, 1);
+ if (!mapping) {
+ ret = -1;
+ goto error_free;
+ }
+
+ *mapping = (struct enumeration_mapping) {
+ .range_start._signed = range_start,
+ .range_end._signed = range_end, .string = mapping_name};
+ g_ptr_array_add(enumeration->entries, mapping);
+ g_ptr_array_sort(enumeration->entries,
+ (GCompareFunc)compare_enumeration_mappings_signed);
+error_free:
+ free(escaped_string);
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_enumeration_add_mapping_unsigned(
+ struct bt_ctf_field_type *type, const char *string,
+ uint64_t range_start, uint64_t range_end)
+{
+ int ret = 0;
+ GQuark mapping_name;
+ struct enumeration_mapping *mapping;
+ struct bt_ctf_field_type_enumeration *enumeration;
+ struct range_overlap_query query;
+ char *escaped_string;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM) ||
+ type->frozen ||
+ (range_end < range_start)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!string || strlen(string) == 0) {
+ ret = -1;
+ goto end;
+ }
+
+ escaped_string = g_strescape(string, NULL);
+ if (!escaped_string) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping_name = g_quark_from_string(escaped_string);
+ query = (struct range_overlap_query) {
+ .range_start._unsigned = range_start,
+ .range_end._unsigned = range_end,
+ .mapping_name = mapping_name,
+ .overlaps = 0 };
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+
+ /* Check that the range does not overlap with one already present */
+ g_ptr_array_foreach(enumeration->entries, check_ranges_overlap_unsigned,
+ &query);
+ if (query.overlaps) {
+ ret = -1;
+ goto error_free;
+ }
+
+ mapping = g_new(struct enumeration_mapping, 1);
+ if (!mapping) {
+ ret = -1;
+ goto error_free;
+ }
+
+ *mapping = (struct enumeration_mapping) {
+ .range_start._unsigned = range_start,
+ .range_end._unsigned = range_end, .string = mapping_name};
+ g_ptr_array_add(enumeration->entries, mapping);
+ g_ptr_array_sort(enumeration->entries,
+ (GCompareFunc)compare_enumeration_mappings_unsigned);
+error_free:
+ free(escaped_string);
+end:
+ return ret;
+}
+
+const char *bt_ctf_field_type_enumeration_get_mapping_name_unsigned(
+ struct bt_ctf_field_type_enumeration *enumeration_type,
+ uint64_t value)
+{
+ const char *name = NULL;
+ struct range_overlap_query query =
+ (struct range_overlap_query) {
+ .range_start._unsigned = value,
+ .range_end._unsigned = value,
+ .overlaps = 0 };
+
+ g_ptr_array_foreach(enumeration_type->entries,
+ check_ranges_overlap_unsigned,
+ &query);
+ if (!query.overlaps) {
+ goto end;
+ }
+
+ name = g_quark_to_string(query.mapping_name);
+end:
+ return name;
+}
+
+const char *bt_ctf_field_type_enumeration_get_mapping_name_signed(
+ struct bt_ctf_field_type_enumeration *enumeration_type,
+ int64_t value)
+{
+ const char *name = NULL;
+ struct range_overlap_query query =
+ (struct range_overlap_query) {
+ .range_start._signed = value,
+ .range_end._signed = value,
+ .overlaps = 0 };
+
+ g_ptr_array_foreach(enumeration_type->entries, check_ranges_overlap,
+ &query);
+ if (!query.overlaps) {
+ goto end;
+ }
+
+ name = g_quark_to_string(query.mapping_name);
+end:
+ return name;
+}
+
+int bt_ctf_field_type_enumeration_get_mapping_count(
+ struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_enumeration *enumeration;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) {
+ ret = -1;
+ goto end;
+ }
+
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+ ret = (int) enumeration->entries->len;
+end:
+ return ret;
+}
+
+static inline
+struct enumeration_mapping *get_enumeration_mapping(
+ struct bt_ctf_field_type *type, int index)
+{
+ struct enumeration_mapping *mapping = NULL;
+ struct bt_ctf_field_type_enumeration *enumeration;
+
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+ if (index >= enumeration->entries->len) {
+ goto end;
+ }
+
+ mapping = g_ptr_array_index(enumeration->entries, index);
+end:
+ return mapping;
+}
+
+int bt_ctf_field_type_enumeration_get_mapping(
+ struct bt_ctf_field_type *type, int index,
+ const char **string, int64_t *range_start, int64_t *range_end)
+{
+ struct enumeration_mapping *mapping;
+ int ret = 0;
+
+ if (!type || index < 0 || !string || !range_start || !range_end ||
+ (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping = get_enumeration_mapping(type, index);
+ if (!mapping) {
+ ret = -1;
+ goto end;
+ }
+
+ *string = g_quark_to_string(mapping->string);
+ *range_start = mapping->range_start._signed;
+ *range_end = mapping->range_end._signed;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_enumeration_get_mapping_unsigned(
+ struct bt_ctf_field_type *type, int index,
+ const char **string, uint64_t *range_start, uint64_t *range_end)
+{
+ struct enumeration_mapping *mapping;
+ int ret = 0;
+
+ if (!type || index < 0 || !string || !range_start || !range_end ||
+ (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping = get_enumeration_mapping(type, index);
+ if (!mapping) {
+ ret = -1;
+ goto end;
+ }
+
+ *string = g_quark_to_string(mapping->string);
+ *range_start = mapping->range_start._unsigned;
+ *range_end = mapping->range_end._unsigned;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_enumeration_get_mapping_index_by_name(
+ struct bt_ctf_field_type *type, const char *name)
+{
+ GQuark name_quark;
+ struct bt_ctf_field_type_enumeration *enumeration;
+ int i, ret = 0;
+
+ if (!type || !name ||
+ (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) {
+ ret = -1;
+ goto end;
+ }
+
+ name_quark = g_quark_try_string(name);
+ if (!name_quark) {
+ ret = -1;
+ goto end;
+ }
+
+ enumeration = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+ for (i = 0; i < enumeration->entries->len; i++) {
+ struct enumeration_mapping *mapping =
+ get_enumeration_mapping(type, i);
+
+ if (mapping->string == name_quark) {
+ ret = i;
+ goto end;
+ }
+ }
+
+ ret = -1;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_enumeration_get_mapping_index_by_value(
+ struct bt_ctf_field_type *type, int64_t value)
+{
+ struct bt_ctf_field_type_enumeration *enumeration;
+ int i, ret = 0;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) {
+ ret = -1;
+ goto end;
+ }
+
+ enumeration = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+ for (i = 0; i < enumeration->entries->len; i++) {
+ struct enumeration_mapping *mapping =
+ get_enumeration_mapping(type, i);
+
+ if (value >= mapping->range_start._signed &&
+ value <= mapping->range_end._signed) {
+ ret = i;
+ goto end;
+ }
+ }
+
+ ret = -1;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(
+ struct bt_ctf_field_type *type, uint64_t value)
+{
+ struct bt_ctf_field_type_enumeration *enumeration;
+ int i, ret = 0;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) {
+ ret = -1;
+ goto end;
+ }
+
+ enumeration = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+ for (i = 0; i < enumeration->entries->len; i++) {
+ struct enumeration_mapping *mapping =
+ get_enumeration_mapping(type, i);
+
+ if (value >= mapping->range_start._unsigned &&
+ value <= mapping->range_end._unsigned) {
+ ret = i;
+ goto end;
+ }
+ }
+
+ ret = -1;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void)
+{
+ struct bt_ctf_field_type_floating_point *floating_point =
+ g_new0(struct bt_ctf_field_type_floating_point, 1);
+
+ if (!floating_point) {
+ goto end;
+ }
+
+ floating_point->declaration.sign = &floating_point->sign;
+ floating_point->declaration.mantissa = &floating_point->mantissa;
+ floating_point->declaration.exp = &floating_point->exp;
+ floating_point->sign.len = 1;
+ floating_point->parent.declaration = &floating_point->declaration.p;
+ floating_point->parent.declaration->id = BT_CTF_TYPE_ID_FLOAT;
+ floating_point->declaration.exp->len =
+ sizeof(float) * CHAR_BIT - FLT_MANT_DIG;
+ floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1;
+ floating_point->sign.p.alignment = 1;
+ floating_point->mantissa.p.alignment = 1;
+ floating_point->exp.p.alignment = 1;
+
+ bt_ctf_field_type_init(&floating_point->parent, TRUE);
+end:
+ return floating_point ? &floating_point->parent : NULL;
+}
+
+int bt_ctf_field_type_floating_point_get_exponent_digits(
+ struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ ret = (int) floating_point->declaration.exp->len;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_floating_point_set_exponent_digits(
+ struct bt_ctf_field_type *type,
+ unsigned int exponent_digits)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) &&
+ (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) &&
+ (exponent_digits !=
+ sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point->declaration.exp->len = exponent_digits;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_floating_point_get_mantissa_digits(
+ struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ ret = (int) floating_point->mantissa.len + 1;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_floating_point_set_mantissa_digits(
+ struct bt_ctf_field_type *type,
+ unsigned int mantissa_digits)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+
+ if ((mantissa_digits != FLT_MANT_DIG) &&
+ (mantissa_digits != DBL_MANT_DIG) &&
+ (mantissa_digits != LDBL_MANT_DIG)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point->declaration.mantissa->len = mantissa_digits - 1;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void)
+{
+ struct bt_ctf_field_type_structure *structure =
+ g_new0(struct bt_ctf_field_type_structure, 1);
+
+ if (!structure) {
+ goto error;
+ }
+
+ structure->parent.declaration = &structure->declaration.p;
+ structure->parent.declaration->id = BT_CTF_TYPE_ID_STRUCT;
+ structure->fields = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)destroy_structure_field);
+ structure->field_name_to_index = g_hash_table_new(NULL, NULL);
+ bt_ctf_field_type_init(&structure->parent, TRUE);
+ return &structure->parent;
+error:
+ return NULL;
+}
+
+int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_structure *structure;
+
+ if (!type || !field_type || type->frozen ||
+ bt_ctf_validate_identifier(field_name) ||
+ (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) {
+ ret = -1;
+ goto end;
+ }
+
+ structure = container_of(type,
+ struct bt_ctf_field_type_structure, parent);
+ if (add_structure_field(structure->fields,
+ structure->field_name_to_index, field_type, field_name)) {
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_structure_get_field_count(
+ struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_structure *structure;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) {
+ ret = -1;
+ goto end;
+ }
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ ret = (int) structure->fields->len;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *type,
+ const char **field_name, struct bt_ctf_field_type **field_type,
+ int index)
+{
+ struct bt_ctf_field_type_structure *structure;
+ struct structure_field *field;
+ int ret = 0;
+
+ if (!type || index < 0 ||
+ (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) {
+ ret = -1;
+ goto end;
+ }
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ if (index >= structure->fields->len) {
+ ret = -1;
+ goto end;
+ }
+
+ field = g_ptr_array_index(structure->fields, index);
+ if (field_type) {
+ *field_type = field->type;
+ bt_get(field->type);
+ }
+ if (field_name) {
+ *field_name = g_quark_to_string(field->name);
+ }
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name(
+ struct bt_ctf_field_type *type,
+ const char *name)
+{
+ size_t index;
+ GQuark name_quark;
+ struct structure_field *field;
+ struct bt_ctf_field_type_structure *structure;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!type || !name) {
+ goto end;
+ }
+
+ name_quark = g_quark_try_string(name);
+ if (!name_quark) {
+ goto end;
+ }
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ if (!g_hash_table_lookup_extended(structure->field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
+ goto end;
+ }
+
+ field = structure->fields->pdata[index];
+ field_type = field->type;
+ bt_get(field_type);
+end:
+ return field_type;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_variant_create(
+ struct bt_ctf_field_type *enum_tag, const char *tag_name)
+{
+ struct bt_ctf_field_type_variant *variant = NULL;
+
+ if (tag_name && bt_ctf_validate_identifier(tag_name)) {
+ goto error;
+ }
+
+ variant = g_new0(struct bt_ctf_field_type_variant, 1);
+ if (!variant) {
+ goto error;
+ }
+
+ variant->parent.declaration = &variant->declaration.p;
+ variant->parent.declaration->id = BT_CTF_TYPE_ID_VARIANT;
+ variant->tag_name = g_string_new(tag_name);
+ variant->field_name_to_index = g_hash_table_new(NULL, NULL);
+ variant->fields = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) destroy_structure_field);
+ if (enum_tag) {
+ bt_get(enum_tag);
+ variant->tag = container_of(enum_tag,
+ struct bt_ctf_field_type_enumeration, parent);
+ }
+
+ bt_ctf_field_type_init(&variant->parent, TRUE);
+ /* A variant's alignment is undefined */
+ variant->parent.declaration->alignment = 0;
+ return &variant->parent;
+error:
+ return NULL;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_variant *variant;
+ struct bt_ctf_field_type *tag_type = NULL;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) {
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+ if (!variant->tag) {
+ goto end;
+ }
+
+ tag_type = &variant->tag->parent;
+ bt_get(tag_type);
+end:
+ return tag_type;
+}
+
+const char *bt_ctf_field_type_variant_get_tag_name(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_variant *variant;
+ const char *tag_name = NULL;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) {
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+ if (variant->tag_name->len == 0) {
+ goto end;
+ }
+
+ tag_name = variant->tag_name->str;
+end:
+ return tag_name;
+}
+
+int bt_ctf_field_type_variant_set_tag_name(
+ struct bt_ctf_field_type *type, const char *name)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != BT_CTF_TYPE_ID_VARIANT) ||
+ bt_ctf_validate_identifier(name)) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+ g_string_assign(variant->tag_name, name);
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant;
+ GQuark field_name_quark = g_quark_from_string(field_name);
+
+ if (!type || !field_type || type->frozen ||
+ bt_ctf_validate_identifier(field_name) ||
+ (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+
+ /* The user has explicitly provided a tag; validate against it. */
+ if (variant->tag) {
+ int name_found = 0;
+
+ /* Make sure this name is present in the enum tag */
+ for (i = 0; i < variant->tag->entries->len; i++) {
+ struct enumeration_mapping *mapping =
+ g_ptr_array_index(variant->tag->entries, i);
+
+ if (mapping->string == field_name_quark) {
+ name_found = 1;
+ break;
+ }
+ }
+
+ if (!name_found) {
+ /* Validation failed */
+ ret = -1;
+ goto end;
+ }
+ }
+
+ if (add_structure_field(variant->fields, variant->field_name_to_index,
+ field_type, field_name)) {
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name(
+ struct bt_ctf_field_type *type,
+ const char *field_name)
+{
+ size_t index;
+ GQuark name_quark;
+ struct structure_field *field;
+ struct bt_ctf_field_type_variant *variant;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!type || !field_name) {
+ goto end;
+ }
+
+ name_quark = g_quark_try_string(field_name);
+ if (!name_quark) {
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+ if (!g_hash_table_lookup_extended(variant->field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
+ goto end;
+ }
+
+ field = g_ptr_array_index(variant->fields, index);
+ field_type = field->type;
+ bt_get(field_type);
+end:
+ return field_type;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag(
+ struct bt_ctf_field_type *type,
+ struct bt_ctf_field *tag)
+{
+ const char *enum_value;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!type || !tag || type->declaration->id != BT_CTF_TYPE_ID_VARIANT) {
+ goto end;
+ }
+
+ enum_value = bt_ctf_field_enumeration_get_mapping_name(tag);
+ if (!enum_value) {
+ goto end;
+ }
+
+ /* Already increments field_type's reference count */
+ field_type = bt_ctf_field_type_variant_get_field_type_by_name(
+ type, enum_value);
+end:
+ return field_type;
+}
+
+int bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ ret = (int) variant->fields->len;
+end:
+ return ret;
+
+}
+
+int bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *type,
+ const char **field_name, struct bt_ctf_field_type **field_type,
+ int index)
+{
+ struct bt_ctf_field_type_variant *variant;
+ struct structure_field *field;
+ int ret = 0;
+
+ if (!type || index < 0 ||
+ (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ if (index >= variant->fields->len) {
+ ret = -1;
+ goto end;
+ }
+
+ field = g_ptr_array_index(variant->fields, index);
+ if (field_type) {
+ *field_type = field->type;
+ bt_get(field->type);
+ }
+ if (field_name) {
+ *field_name = g_quark_to_string(field->name);
+ }
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_array_create(
+ struct bt_ctf_field_type *element_type,
+ unsigned int length)
+{
+ struct bt_ctf_field_type_array *array = NULL;
+
+ if (!element_type || length == 0) {
+ goto error;
+ }
+
+ array = g_new0(struct bt_ctf_field_type_array, 1);
+ if (!array) {
+ goto error;
+ }
+
+ array->parent.declaration = &array->declaration.p;
+ array->parent.declaration->id = BT_CTF_TYPE_ID_ARRAY;
+
+ bt_get(element_type);
+ array->element_type = element_type;
+ array->length = length;
+ bt_ctf_field_type_init(&array->parent, FALSE);
+ return &array->parent;
+error:
+ return NULL;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *ret = NULL;
+ struct bt_ctf_field_type_array *array;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) {
+ goto end;
+ }
+
+ array = container_of(type, struct bt_ctf_field_type_array, parent);
+ ret = array->element_type;
+ bt_get(ret);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *element_type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_array *array;
+
+ if (!type || !element_type ||
+ (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) {
+ ret = -1;
+ goto end;
+ }
+
+ array = container_of(type, struct bt_ctf_field_type_array, parent);
+
+ if (array->element_type) {
+ BT_PUT(array->element_type);
+ }
+
+ array->element_type = element_type;
+ bt_get(array->element_type);
+
+end:
+ return ret;
+}
+
+int64_t bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *type)
+{
+ int64_t ret;
+ struct bt_ctf_field_type_array *array;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) {
+ ret = -1;
+ goto end;
+ }
+
+ array = container_of(type, struct bt_ctf_field_type_array, parent);
+ ret = (int64_t) array->length;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_create(
+ struct bt_ctf_field_type *element_type,
+ const char *length_field_name)
+{
+ struct bt_ctf_field_type_sequence *sequence = NULL;
+
+ if (!element_type || bt_ctf_validate_identifier(length_field_name)) {
+ goto error;
+ }
+
+ sequence = g_new0(struct bt_ctf_field_type_sequence, 1);
+ if (!sequence) {
+ goto error;
+ }
+
+ sequence->parent.declaration = &sequence->declaration.p;
+ sequence->parent.declaration->id = BT_CTF_TYPE_ID_SEQUENCE;
+ bt_get(element_type);
+ sequence->element_type = element_type;
+ sequence->length_field_name = g_string_new(length_field_name);
+ bt_ctf_field_type_init(&sequence->parent, FALSE);
+ return &sequence->parent;
+error:
+ return NULL;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *ret = NULL;
+ struct bt_ctf_field_type_sequence *sequence;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) {
+ goto end;
+ }
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+ ret = sequence->element_type;
+ bt_get(ret);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *element_type)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_sequence *sequence;
+
+ if (!type || !element_type ||
+ (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) {
+ ret = -1;
+ goto end;
+ }
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence, parent);
+
+ if (sequence->element_type) {
+ BT_PUT(sequence->element_type);
+ }
+
+ sequence->element_type = element_type;
+ bt_get(sequence->element_type);
+
+end:
+ return ret;
+}
+
+const char *bt_ctf_field_type_sequence_get_length_field_name(
+ struct bt_ctf_field_type *type)
+{
+ const char *ret = NULL;
+ struct bt_ctf_field_type_sequence *sequence;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) {
+ goto end;
+ }
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+ ret = sequence->length_field_name->str;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_string_create(void)
+{
+ struct bt_ctf_field_type_string *string =
+ g_new0(struct bt_ctf_field_type_string, 1);
+
+ if (!string) {
+ return NULL;
+ }
+
+ string->parent.declaration = &string->declaration.p;
+ string->parent.declaration->id = BT_CTF_TYPE_ID_STRING;
+ bt_ctf_field_type_init(&string->parent, TRUE);
+ string->declaration.encoding = BT_CTF_STRING_ENCODING_UTF8;
+ string->parent.declaration->alignment = CHAR_BIT;
+ return &string->parent;
+}
+
+enum bt_ctf_string_encoding bt_ctf_field_type_string_get_encoding(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_string *string;
+ enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN;
+
+ if (!type || (type->declaration->id != BT_CTF_TYPE_ID_STRING)) {
+ goto end;
+ }
+
+ string = container_of(type, struct bt_ctf_field_type_string,
+ parent);
+ ret = string->declaration.encoding;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *type,
+ enum bt_ctf_string_encoding encoding)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_string *string;
+
+ if (!type || type->declaration->id != BT_CTF_TYPE_ID_STRING ||
+ (encoding != BT_CTF_STRING_ENCODING_UTF8 &&
+ encoding != BT_CTF_STRING_ENCODING_ASCII)) {
+ ret = -1;
+ goto end;
+ }
+
+ string = container_of(type, struct bt_ctf_field_type_string, parent);
+ string->declaration.encoding = encoding;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type)
+{
+ int ret;
+ enum bt_ctf_type_id type_id;
+
+ if (!type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type->frozen) {
+ ret = (int) type->declaration->alignment;
+ goto end;
+ }
+
+ type_id = bt_ctf_field_type_get_type_id(type);
+ switch (type_id) {
+ case BT_CTF_TYPE_ID_SEQUENCE:
+ {
+ struct bt_ctf_field_type *element =
+ bt_ctf_field_type_sequence_get_element_type(type);
+
+ if (!element) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_get_alignment(element);
+ bt_put(element);
+ break;
+ }
+ case BT_CTF_TYPE_ID_ARRAY:
+ {
+ struct bt_ctf_field_type *element =
+ bt_ctf_field_type_array_get_element_type(type);
+
+ if (!element) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_get_alignment(element);
+ bt_put(element);
+ break;
+ }
+ case BT_CTF_TYPE_ID_STRUCT:
+ {
+ int i, element_count;
+
+ element_count = bt_ctf_field_type_structure_get_field_count(
+ type);
+ if (element_count < 0) {
+ ret = element_count;
+ goto end;
+ }
+
+ for (i = 0; i < element_count; i++) {
+ struct bt_ctf_field_type *field;
+ int field_alignment;
+
+ ret = bt_ctf_field_type_structure_get_field(type, NULL,
+ &field, i);
+ if (ret) {
+ goto end;
+ }
+
+ assert(field);
+ field_alignment = bt_ctf_field_type_get_alignment(
+ field);
+ bt_put(field);
+ if (field_alignment < 0) {
+ ret = field_alignment;
+ goto end;
+ }
+
+ type->declaration->alignment = MAX(field_alignment,
+ type->declaration->alignment);
+ }
+ ret = (int) type->declaration->alignment;
+ break;
+ }
+ case BT_CTF_TYPE_ID_UNKNOWN:
+ ret = -1;
+ break;
+ default:
+ ret = (int) type->declaration->alignment;
+ break;
+ }
+end:
+ return ret;
+}
+
+static inline
+int is_power_of_two(unsigned int value)
+{
+ return ((value & (value - 1)) == 0) && value > 0;
+}
+
+int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type,
+ unsigned int alignment)
+{
+ int ret = 0;
+ enum bt_ctf_type_id type_id;
+
+ /* Alignment must be a power of two */
+ if (!type || type->frozen || !is_power_of_two(alignment)) {
+ ret = -1;
+ goto end;
+ }
+
+ type_id = bt_ctf_field_type_get_type_id(type);
+ if (type_id == BT_CTF_TYPE_ID_UNKNOWN) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type->declaration->id == BT_CTF_TYPE_ID_STRING &&
+ alignment != CHAR_BIT) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type_id == BT_CTF_TYPE_ID_VARIANT ||
+ type_id == BT_CTF_TYPE_ID_SEQUENCE ||
+ type_id == BT_CTF_TYPE_ID_ARRAY) {
+ /* Setting an alignment on these types makes no sense */
+ ret = -1;
+ goto end;
+ }
+
+ type->declaration->alignment = alignment;
+ ret = 0;
+end:
+ return ret;
+}
+
+enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order(
+ struct bt_ctf_field_type *type)
+{
+ enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
+
+ if (!type) {
+ goto end;
+ }
+
+ switch (type->declaration->id) {
+ case BT_CTF_TYPE_ID_INTEGER:
+ {
+ struct bt_ctf_field_type_integer *integer = container_of(
+ type, struct bt_ctf_field_type_integer, parent);
+ ret = integer->user_byte_order;
+ break;
+ }
+ case BT_CTF_TYPE_ID_FLOAT:
+ {
+ struct bt_ctf_field_type_floating_point *floating_point =
+ container_of(type,
+ struct bt_ctf_field_type_floating_point,
+ parent);
+ ret = floating_point->user_byte_order;
+ break;
+ }
+ default:
+ goto end;
+ }
+
+ assert(ret == BT_CTF_BYTE_ORDER_NATIVE ||
+ ret == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN ||
+ ret == BT_CTF_BYTE_ORDER_BIG_ENDIAN ||
+ ret == BT_CTF_BYTE_ORDER_NETWORK);
+
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type,
+ enum bt_ctf_byte_order byte_order)
+{
+ int ret = 0;
+ int internal_byte_order;
+ enum bt_ctf_type_id type_id;
+
+ if (!type || type->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ switch (byte_order) {
+ case BT_CTF_BYTE_ORDER_NATIVE:
+ /* Leave unset. Will be initialized by parent. */
+ internal_byte_order = 0;
+ break;
+ case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
+ internal_byte_order = LITTLE_ENDIAN;
+ break;
+ case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
+ case BT_CTF_BYTE_ORDER_NETWORK:
+ internal_byte_order = BIG_ENDIAN;
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+
+ type_id = type->declaration->id;
+ if (set_byte_order_funcs[type_id]) {
+ set_byte_order_funcs[type_id](type, internal_byte_order, 0);
+ }
+end:
+ return ret;
+}
+
+enum bt_ctf_type_id bt_ctf_field_type_get_type_id(
+ struct bt_ctf_field_type *type)
+{
+ if (!type) {
+ return BT_CTF_TYPE_ID_UNKNOWN;
+ }
+
+ return type->declaration->id;
+}
+
+int bt_ctf_field_type_is_integer(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_INTEGER;
+}
+
+int bt_ctf_field_type_is_floating_point(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_FLOAT;
+}
+
+int bt_ctf_field_type_is_enumeration(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_ENUM;
+}
+
+int bt_ctf_field_type_is_string(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_STRING;
+}
+
+int bt_ctf_field_type_is_structure(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_STRUCT;
+}
+
+int bt_ctf_field_type_is_array(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_ARRAY;
+}
+
+int bt_ctf_field_type_is_sequence(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_SEQUENCE;
+}
+
+int bt_ctf_field_type_is_variant(struct bt_ctf_field_type *type)
+{
+ return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_VARIANT;
+}
+
+void bt_ctf_field_type_get(struct bt_ctf_field_type *type)
+{
+ bt_get(type);
+}
+
+void bt_ctf_field_type_put(struct bt_ctf_field_type *type)
+{
+ bt_put(type);
+}
+
+BT_HIDDEN
+void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type)
+{
+ if (!type) {
+ return;
+ }
+
+ type->freeze(type);
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_signed(
+ struct bt_ctf_field_type_variant *variant,
+ int64_t tag_value)
+{
+ struct bt_ctf_field_type *type = NULL;
+ GQuark field_name_quark;
+ gpointer index;
+ struct structure_field *field_entry;
+ struct range_overlap_query query = {
+ .range_start._signed = tag_value,
+ .range_end._signed = tag_value,
+ .mapping_name = 0, .overlaps = 0};
+
+ g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap,
+ &query);
+ if (!query.overlaps) {
+ goto end;
+ }
+
+ field_name_quark = query.mapping_name;
+ if (!g_hash_table_lookup_extended(variant->field_name_to_index,
+ GUINT_TO_POINTER(field_name_quark), NULL, &index)) {
+ goto end;
+ }
+
+ field_entry = g_ptr_array_index(variant->fields, (size_t) index);
+ type = field_entry->type;
+end:
+ return type;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_unsigned(
+ struct bt_ctf_field_type_variant *variant,
+ uint64_t tag_value)
+{
+ struct bt_ctf_field_type *type = NULL;
+ GQuark field_name_quark;
+ gpointer index;
+ struct structure_field *field_entry;
+ struct range_overlap_query query = {
+ .range_start._unsigned = tag_value,
+ .range_end._unsigned = tag_value,
+ .mapping_name = 0, .overlaps = 0};
+
+ g_ptr_array_foreach(variant->tag->entries,
+ check_ranges_overlap_unsigned,
+ &query);
+ if (!query.overlaps) {
+ goto end;
+ }
+
+ field_name_quark = query.mapping_name;
+ if (!g_hash_table_lookup_extended(variant->field_name_to_index,
+ GUINT_TO_POINTER(field_name_quark), NULL, &index)) {
+ goto end;
+ }
+
+ field_entry = g_ptr_array_index(variant->fields, (size_t)index);
+ type = field_entry->type;
+end:
+ return type;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ int ret;
+
+ if (!type || !context) {
+ ret = -1;
+ goto end;
+ }
+
+ /* Make sure field type is valid before serializing it */
+ ret = bt_ctf_field_type_validate(type);
+
+ if (ret) {
+ goto end;
+ }
+
+ ret = type->serialize(type, context);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+void bt_ctf_field_type_set_native_byte_order(struct bt_ctf_field_type *type,
+ int byte_order)
+{
+ if (!type) {
+ return;
+ }
+
+ assert(byte_order == LITTLE_ENDIAN || byte_order == BIG_ENDIAN);
+ if (set_byte_order_funcs[type->declaration->id]) {
+ set_byte_order_funcs[type->declaration->id](type,
+ byte_order, 1);
+ }
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_copy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy = NULL;
+
+ if (!type) {
+ goto end;
+ }
+
+ copy = type_copy_funcs[type->declaration->id](type);
+end:
+ return copy;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_structure_get_field_name_index(
+ struct bt_ctf_field_type *type, const char *name)
+{
+ int ret;
+ size_t index;
+ GQuark name_quark;
+ struct bt_ctf_field_type_structure *structure;
+
+ if (!type || !name ||
+ bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ name_quark = g_quark_try_string(name);
+ if (!name_quark) {
+ ret = -1;
+ goto end;
+ }
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ if (!g_hash_table_lookup_extended(structure->field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
+ ret = -1;
+ goto end;
+ }
+ ret = (int) index;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_structure_set_field_index(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *field, int index)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_structure *structure;
+
+ if (!type || !field ||
+ bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ if (index < 0 || index >= structure->fields->len) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(field);
+ bt_put(((struct structure_field *)
+ g_ptr_array_index(structure->fields, index))->type);
+ ((struct structure_field *) structure->fields->pdata[index])->type =
+ field;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_variant_get_field_name_index(
+ struct bt_ctf_field_type *type, const char *name)
+{
+ int ret;
+ size_t index;
+ GQuark name_quark;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || !name ||
+ bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_VARIANT) {
+ ret = -1;
+ goto end;
+ }
+
+ name_quark = g_quark_try_string(name);
+ if (!name_quark) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ if (!g_hash_table_lookup_extended(variant->field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
+ ret = -1;
+ goto end;
+ }
+ ret = (int) index;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_sequence_set_length_field_path(
+ struct bt_ctf_field_type *type,
+ struct bt_ctf_field_path *path)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_sequence *sequence;
+
+ if (!type || bt_ctf_field_type_get_type_id(type) !=
+ BT_CTF_TYPE_ID_SEQUENCE) {
+ ret = -1;
+ goto end;
+ }
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+ bt_get(path);
+ BT_MOVE(sequence->length_field_path, path);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_path *path)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || bt_ctf_field_type_get_type_id(type) !=
+ BT_CTF_TYPE_ID_VARIANT) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ bt_get(path);
+ BT_MOVE(variant->tag_field_path, path);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *tag)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || !tag ||
+ bt_ctf_field_type_get_type_id(tag) !=
+ BT_CTF_TYPE_ID_ENUM) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ bt_get(tag);
+ if (variant->tag) {
+ bt_put(&variant->tag->parent);
+ }
+ variant->tag = container_of(tag, struct bt_ctf_field_type_enumeration,
+ parent);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_variant_set_field_index(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *field, int index)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || !field ||
+ bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_VARIANT) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ if (index < 0 || index >= variant->fields->len) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(field);
+ bt_put(((struct structure_field *)
+ g_ptr_array_index(variant->fields, index))->type);
+ ((struct structure_field *) variant->fields->pdata[index])->type =
+ field;
+end:
+ return ret;
+}
+
+static
+void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_integer *integer =
+ (struct bt_ctf_field_type_integer *) type;
+
+ if (!type) {
+ return;
+ }
+
+ bt_put(integer->mapped_clock);
+ g_free(integer);
+}
+
+static
+void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_enumeration *enumeration =
+ (struct bt_ctf_field_type_enumeration *) type;
+
+ if (!type) {
+ return;
+ }
+
+ g_ptr_array_free(enumeration->entries, TRUE);
+ bt_put(enumeration->container);
+ g_free(enumeration);
+}
+
+static
+void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_floating_point *floating_point =
+ (struct bt_ctf_field_type_floating_point *) type;
+
+ if (!type) {
+ return;
+ }
+
+ g_free(floating_point);
+}
+
+static
+void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_structure *structure =
+ (struct bt_ctf_field_type_structure *) type;
+
+ if (!type) {
+ return;
+ }
+
+ g_ptr_array_free(structure->fields, TRUE);
+ g_hash_table_destroy(structure->field_name_to_index);
+ g_free(structure);
+}
+
+static
+void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_variant *variant =
+ (struct bt_ctf_field_type_variant *) type;
+
+ if (!type) {
+ return;
+ }
+
+ g_ptr_array_free(variant->fields, TRUE);
+ g_hash_table_destroy(variant->field_name_to_index);
+ g_string_free(variant->tag_name, TRUE);
+ bt_put(&variant->tag->parent);
+ BT_PUT(variant->tag_field_path);
+ g_free(variant);
+}
+
+static
+void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_array *array =
+ (struct bt_ctf_field_type_array *) type;
+
+ if (!type) {
+ return;
+ }
+
+ bt_put(array->element_type);
+ g_free(array);
+}
+
+static
+void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_sequence *sequence =
+ (struct bt_ctf_field_type_sequence *) type;
+
+ if (!type) {
+ return;
+ }
+
+ bt_put(sequence->element_type);
+ g_string_free(sequence->length_field_name, TRUE);
+ BT_PUT(sequence->length_field_path);
+ g_free(sequence);
+}
+
+static
+void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_string *string =
+ (struct bt_ctf_field_type_string *) type;
+
+ if (!type) {
+ return;
+ }
+
+ g_free(string);
+}
+
+static
+void generic_field_type_freeze(struct bt_ctf_field_type *type)
+{
+ type->frozen = 1;
+}
+
+static
+void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_enumeration *enumeration_type = container_of(
+ type, struct bt_ctf_field_type_enumeration, parent);
+
+ generic_field_type_freeze(type);
+ bt_ctf_field_type_freeze(enumeration_type->container);
+}
+
+static
+void freeze_structure_field(struct structure_field *field)
+{
+ bt_ctf_field_type_freeze(field->type);
+}
+
+static
+void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_structure *structure_type = container_of(
+ type, struct bt_ctf_field_type_structure, parent);
+
+ /* Cache the alignment */
+ type->declaration->alignment = bt_ctf_field_type_get_alignment(type);
+ generic_field_type_freeze(type);
+ g_ptr_array_foreach(structure_type->fields,
+ (GFunc) freeze_structure_field, NULL);
+}
+
+static
+void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_variant *variant_type = container_of(
+ type, struct bt_ctf_field_type_variant, parent);
+
+ generic_field_type_freeze(type);
+ g_ptr_array_foreach(variant_type->fields,
+ (GFunc) freeze_structure_field, NULL);
+}
+
+static
+void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_array *array_type = container_of(
+ type, struct bt_ctf_field_type_array, parent);
+
+ /* Cache the alignment */
+ type->declaration->alignment = bt_ctf_field_type_get_alignment(type);
+ generic_field_type_freeze(type);
+ bt_ctf_field_type_freeze(array_type->element_type);
+}
+
+static
+void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_sequence *sequence_type = container_of(
+ type, struct bt_ctf_field_type_sequence, parent);
+
+ /* Cache the alignment */
+ type->declaration->alignment = bt_ctf_field_type_get_alignment(type);
+ generic_field_type_freeze(type);
+ bt_ctf_field_type_freeze(sequence_type->element_type);
+}
+
+static
+const char *get_encoding_string(enum bt_ctf_string_encoding encoding)
+{
+ const char *encoding_string;
+
+ switch (encoding) {
+ case BT_CTF_STRING_ENCODING_NONE:
+ encoding_string = "none";
+ break;
+ case BT_CTF_STRING_ENCODING_ASCII:
+ encoding_string = "ASCII";
+ break;
+ case BT_CTF_STRING_ENCODING_UTF8:
+ encoding_string = "UTF8";
+ break;
+ default:
+ encoding_string = "unknown";
+ break;
+ }
+
+ return encoding_string;
+}
+
+static
+const char *get_integer_base_string(enum bt_ctf_integer_base base)
+{
+ const char *base_string;
+
+ switch (base) {
+ case BT_CTF_INTEGER_BASE_DECIMAL:
+ base_string = "decimal";
+ break;
+ case BT_CTF_INTEGER_BASE_HEXADECIMAL:
+ base_string = "hexadecimal";
+ break;
+ case BT_CTF_INTEGER_BASE_OCTAL:
+ base_string = "octal";
+ break;
+ case BT_CTF_INTEGER_BASE_BINARY:
+ base_string = "binary";
+ break;
+ default:
+ base_string = "unknown";
+ break;
+ }
+
+ return base_string;
+}
+
+static
+int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ struct bt_ctf_field_type_integer *integer = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+ int ret = 0;
+
+ g_string_append_printf(context->string,
+ "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s",
+ integer->declaration.len, type->declaration->alignment,
+ (integer->declaration.signedness ? "true" : "false"),
+ get_encoding_string(integer->declaration.encoding),
+ get_integer_base_string(integer->declaration.base),
+ get_byte_order_string(integer->declaration.byte_order));
+ if (integer->mapped_clock) {
+ const char *clock_name = bt_ctf_clock_get_name(
+ integer->mapped_clock);
+
+ if (!clock_name) {
+ ret = -1;
+ goto end;
+ }
+
+ g_string_append_printf(context->string,
+ "; map = clock.%s.value", clock_name);
+ }
+
+ g_string_append(context->string, "; }");
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ size_t entry;
+ int ret;
+ struct bt_ctf_field_type_enumeration *enumeration = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+ struct bt_ctf_field_type *container_type;
+ int container_signed;
+
+ container_type = bt_ctf_field_type_enumeration_get_container_type(type);
+ if (!container_type) {
+ ret = -1;
+ goto end;
+ }
+
+ container_signed = bt_ctf_field_type_integer_get_signed(container_type);
+ if (container_signed < 0) {
+ ret = container_signed;
+ goto error_put_container_type;
+ }
+
+ g_string_append(context->string, "enum : ");
+ ret = bt_ctf_field_type_serialize(enumeration->container, context);
+ if (ret) {
+ goto error_put_container_type;
+ }
+
+ g_string_append(context->string, " { ");
+ for (entry = 0; entry < enumeration->entries->len; entry++) {
+ struct enumeration_mapping *mapping =
+ enumeration->entries->pdata[entry];
+
+ if (container_signed) {
+ if (mapping->range_start._signed ==
+ mapping->range_end._signed) {
+ g_string_append_printf(context->string,
+ "\"%s\" = %" PRId64,
+ g_quark_to_string(mapping->string),
+ mapping->range_start._signed);
+ } else {
+ g_string_append_printf(context->string,
+ "\"%s\" = %" PRId64 " ... %" PRId64,
+ g_quark_to_string(mapping->string),
+ mapping->range_start._signed,
+ mapping->range_end._signed);
+ }
+ } else {
+ if (mapping->range_start._unsigned ==
+ mapping->range_end._unsigned) {
+ g_string_append_printf(context->string,
+ "\"%s\" = %" PRIu64,
+ g_quark_to_string(mapping->string),
+ mapping->range_start._unsigned);
+ } else {
+ g_string_append_printf(context->string,
+ "\"%s\" = %" PRIu64 " ... %" PRIu64,
+ g_quark_to_string(mapping->string),
+ mapping->range_start._unsigned,
+ mapping->range_end._unsigned);
+ }
+ }
+
+ g_string_append(context->string,
+ ((entry != (enumeration->entries->len - 1)) ?
+ ", " : " }"));
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s",
+ context->field_name->str);
+ g_string_assign(context->field_name, "");
+ }
+error_put_container_type:
+ bt_put(container_type);
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ struct bt_ctf_field_type_floating_point *floating_point = container_of(
+ type, struct bt_ctf_field_type_floating_point, parent);
+
+ g_string_append_printf(context->string,
+ "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }",
+ floating_point->declaration.exp->len,
+ floating_point->declaration.mantissa->len + 1,
+ get_byte_order_string(floating_point->declaration.byte_order),
+ type->declaration->alignment);
+ return 0;
+}
+
+static
+int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ size_t i;
+ unsigned int indent;
+ int ret = 0;
+ struct bt_ctf_field_type_structure *structure = container_of(type,
+ struct bt_ctf_field_type_structure, parent);
+ GString *structure_field_name = context->field_name;
+
+ context->field_name = g_string_new("");
+
+ context->current_indentation_level++;
+ g_string_append(context->string, "struct {\n");
+
+ for (i = 0; i < structure->fields->len; i++) {
+ struct structure_field *field;
+
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ field = structure->fields->pdata[i];
+ g_string_assign(context->field_name,
+ g_quark_to_string(field->name));
+ ret = bt_ctf_field_type_serialize(field->type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s",
+ context->field_name->str);
+ }
+ g_string_append(context->string, ";\n");
+ }
+
+ context->current_indentation_level--;
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ g_string_append_printf(context->string, "} align(%zu)",
+ type->declaration->alignment);
+end:
+ g_string_free(context->field_name, TRUE);
+ context->field_name = structure_field_name;
+ return ret;
+}
+
+static
+int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ size_t i;
+ unsigned int indent;
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant = container_of(
+ type, struct bt_ctf_field_type_variant, parent);
+ GString *variant_field_name = context->field_name;
+
+ context->field_name = g_string_new("");
+ if (variant->tag_name->len > 0) {
+ g_string_append_printf(context->string,
+ "variant <%s> {\n", variant->tag_name->str);
+ } else {
+ g_string_append(context->string, "variant {\n");
+ }
+
+ context->current_indentation_level++;
+ for (i = 0; i < variant->fields->len; i++) {
+ struct structure_field *field = variant->fields->pdata[i];
+
+ g_string_assign(context->field_name,
+ g_quark_to_string(field->name));
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ g_string_assign(context->field_name,
+ g_quark_to_string(field->name));
+ ret = bt_ctf_field_type_serialize(field->type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s;",
+ context->field_name->str);
+ }
+
+ g_string_append_c(context->string, '\n');
+ }
+
+ context->current_indentation_level--;
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ g_string_append(context->string, "}");
+end:
+ g_string_free(context->field_name, TRUE);
+ context->field_name = variant_field_name;
+ return ret;
+}
+
+static
+int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_array *array = container_of(type,
+ struct bt_ctf_field_type_array, parent);
+
+ ret = bt_ctf_field_type_serialize(array->element_type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s[%u]",
+ context->field_name->str, array->length);
+ g_string_assign(context->field_name, "");
+ } else {
+ g_string_append_printf(context->string, "[%u]", array->length);
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_sequence *sequence = container_of(
+ type, struct bt_ctf_field_type_sequence, parent);
+
+ ret = bt_ctf_field_type_serialize(sequence->element_type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s[%s]",
+ context->field_name->str,
+ sequence->length_field_name->str);
+ g_string_assign(context->field_name, "");
+ } else {
+ g_string_append_printf(context->string, "[%s]",
+ sequence->length_field_name->str);
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ struct bt_ctf_field_type_string *string = container_of(
+ type, struct bt_ctf_field_type_string, parent);
+
+ g_string_append_printf(context->string,
+ "string { encoding = %s; }",
+ get_encoding_string(string->declaration.encoding));
+ return 0;
+}
+
+static
+enum bt_ctf_byte_order get_ctf_ir_byte_order(int byte_order) {
+ enum bt_ctf_byte_order ret;
+
+ switch (byte_order) {
+ case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
+ case LITTLE_ENDIAN:
+ ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN;
+ break;
+ case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
+ case BIG_ENDIAN:
+ ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN;
+ break;
+ case BT_CTF_BYTE_ORDER_NETWORK:
+ ret = BT_CTF_BYTE_ORDER_NETWORK;
+ break;
+ case BT_CTF_BYTE_ORDER_NATIVE:
+ ret = BT_CTF_BYTE_ORDER_NATIVE;
+ break;
+ default:
+ ret = BT_CTF_BYTE_ORDER_UNKNOWN;
+ break;
+ }
+
+ return ret;
+}
+
+static
+void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type,
+ int byte_order, int set_native)
+{
+ struct bt_ctf_field_type_integer *integer_type = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+
+ if (set_native) {
+ if (integer_type->user_byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
+ /*
+ * User byte order is native, so we can set
+ * the real byte order.
+ */
+ integer_type->declaration.byte_order =
+ byte_order;
+ }
+ } else {
+ integer_type->user_byte_order =
+ get_ctf_ir_byte_order(byte_order);
+ integer_type->declaration.byte_order = byte_order;
+ }
+}
+
+static
+void bt_ctf_field_type_enumeration_set_byte_order(
+ struct bt_ctf_field_type *type, int byte_order, int set_native)
+{
+ struct bt_ctf_field_type_enumeration *enum_type = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ /* Safe to assume that container is an integer */
+ bt_ctf_field_type_integer_set_byte_order(enum_type->container,
+ byte_order, set_native);
+}
+
+static
+void bt_ctf_field_type_floating_point_set_byte_order(
+ struct bt_ctf_field_type *type, int byte_order, int set_native)
+{
+ struct bt_ctf_field_type_floating_point *floating_point_type =
+ container_of(type, struct bt_ctf_field_type_floating_point,
+ parent);
+
+ if (set_native) {
+ if (floating_point_type->user_byte_order ==
+ BT_CTF_BYTE_ORDER_NATIVE) {
+ /*
+ * User byte order is native, so we can set
+ * the real byte order.
+ */
+ floating_point_type->declaration.byte_order =
+ byte_order;
+ floating_point_type->sign.byte_order =
+ byte_order;
+ floating_point_type->mantissa.byte_order =
+ byte_order;
+ floating_point_type->exp.byte_order =
+ byte_order;
+ }
+ } else {
+ floating_point_type->user_byte_order =
+ get_ctf_ir_byte_order(byte_order);
+ floating_point_type->declaration.byte_order = byte_order;
+ floating_point_type->sign.byte_order = byte_order;
+ floating_point_type->mantissa.byte_order = byte_order;
+ floating_point_type->exp.byte_order = byte_order;
+ }
+}
+
+static
+void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *type,
+ int byte_order, int set_native)
+{
+ int i;
+ struct bt_ctf_field_type_structure *structure_type =
+ container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+
+ for (i = 0; i < structure_type->fields->len; i++) {
+ struct structure_field *field = g_ptr_array_index(
+ structure_type->fields, i);
+ struct bt_ctf_field_type *field_type = field->type;
+
+ if (set_byte_order_funcs[field_type->declaration->id]) {
+ set_byte_order_funcs[field_type->declaration->id](
+ field_type, byte_order, set_native);
+ }
+ }
+}
+
+static
+void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *type,
+ int byte_order, int set_native)
+{
+ int i;
+ struct bt_ctf_field_type_variant *variant_type =
+ container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+
+ for (i = 0; i < variant_type->fields->len; i++) {
+ struct structure_field *field = g_ptr_array_index(
+ variant_type->fields, i);
+ struct bt_ctf_field_type *field_type = field->type;
+
+ if (set_byte_order_funcs[field_type->declaration->id]) {
+ set_byte_order_funcs[field_type->declaration->id](
+ field_type, byte_order, set_native);
+ }
+ }
+}
+
+static
+void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *type,
+ int byte_order, int set_native)
+{
+ struct bt_ctf_field_type_array *array_type =
+ container_of(type, struct bt_ctf_field_type_array,
+ parent);
+
+ if (set_byte_order_funcs[array_type->element_type->declaration->id]) {
+ set_byte_order_funcs[array_type->element_type->declaration->id](
+ array_type->element_type, byte_order, set_native);
+ }
+}
+
+static
+void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *type,
+ int byte_order, int set_native)
+{
+ struct bt_ctf_field_type_sequence *sequence_type =
+ container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+
+ if (set_byte_order_funcs[
+ sequence_type->element_type->declaration->id]) {
+ set_byte_order_funcs[
+ sequence_type->element_type->declaration->id](
+ sequence_type->element_type, byte_order, set_native);
+ }
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_integer_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_integer *integer, *copy_integer;
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ copy = bt_ctf_field_type_integer_create(integer->declaration.len);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_integer = container_of(copy, struct bt_ctf_field_type_integer,
+ parent);
+ copy_integer->declaration = integer->declaration;
+ if (integer->mapped_clock) {
+ bt_get(integer->mapped_clock);
+ copy_integer->mapped_clock = integer->mapped_clock;
+ }
+
+ copy_integer->user_byte_order = integer->user_byte_order;
+
+end:
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy(
+ struct bt_ctf_field_type *type)
+{
+ size_t i;
+ struct bt_ctf_field_type *copy = NULL, *copy_container;
+ struct bt_ctf_field_type_enumeration *enumeration, *copy_enumeration;
+
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+
+ /* Copy the source enumeration's container */
+ copy_container = bt_ctf_field_type_copy(enumeration->container);
+ if (!copy_container) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_type_enumeration_create(copy_container);
+ if (!copy) {
+ goto end;
+ }
+ copy_enumeration = container_of(copy,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ /* Copy all enumaration entries */
+ for (i = 0; i < enumeration->entries->len; i++) {
+ struct enumeration_mapping *mapping = g_ptr_array_index(
+ enumeration->entries, i);
+ struct enumeration_mapping* copy_mapping = g_new0(
+ struct enumeration_mapping, 1);
+
+ if (!copy_mapping) {
+ goto error;
+ }
+
+ *copy_mapping = *mapping;
+ g_ptr_array_add(copy_enumeration->entries, copy_mapping);
+ }
+
+ copy_enumeration->declaration = enumeration->declaration;
+end:
+ bt_put(copy_container);
+ return copy;
+error:
+ bt_put(copy_container);
+ BT_PUT(copy);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_floating_point *floating_point, *copy_float;
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ copy = bt_ctf_field_type_floating_point_create();
+ if (!copy) {
+ goto end;
+ }
+
+ copy_float = container_of(copy,
+ struct bt_ctf_field_type_floating_point, parent);
+ copy_float->declaration = floating_point->declaration;
+ copy_float->sign = floating_point->sign;
+ copy_float->mantissa = floating_point->mantissa;
+ copy_float->exp = floating_point->exp;
+ copy_float->user_byte_order = floating_point->user_byte_order;
+ copy_float->declaration.sign = ©_float->sign;
+ copy_float->declaration.mantissa = ©_float->mantissa;
+ copy_float->declaration.exp = ©_float->exp;
+end:
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_structure_copy(
+ struct bt_ctf_field_type *type)
+{
+ int i;
+ GHashTableIter iter;
+ gpointer key, value;
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_structure *structure, *copy_structure;
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ copy = bt_ctf_field_type_structure_create();
+ if (!copy) {
+ goto end;
+ }
+
+ copy_structure = container_of(copy,
+ struct bt_ctf_field_type_structure, parent);
+
+ /* Copy field_name_to_index */
+ g_hash_table_iter_init(&iter, structure->field_name_to_index);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ g_hash_table_insert(copy_structure->field_name_to_index,
+ key, value);
+ }
+
+ for (i = 0; i < structure->fields->len; i++) {
+ struct structure_field *entry, *copy_entry;
+ struct bt_ctf_field_type *copy_field;
+
+ copy_entry = g_new0(struct structure_field, 1);
+ if (!copy_entry) {
+ goto error;
+ }
+
+ entry = g_ptr_array_index(structure->fields, i);
+ copy_field = bt_ctf_field_type_copy(entry->type);
+ if (!copy_field) {
+ g_free(copy_entry);
+ goto error;
+ }
+
+ copy_entry->name = entry->name;
+ copy_entry->type = copy_field;
+ g_ptr_array_add(copy_structure->fields, copy_entry);
+ }
+
+ copy_structure->declaration = structure->declaration;
+end:
+ return copy;
+error:
+ BT_PUT(copy);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_variant_copy(
+ struct bt_ctf_field_type *type)
+{
+ int i;
+ GHashTableIter iter;
+ gpointer key, value;
+ struct bt_ctf_field_type *copy = NULL, *copy_tag = NULL;
+ struct bt_ctf_field_type_variant *variant, *copy_variant;
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ if (variant->tag) {
+ copy_tag = bt_ctf_field_type_copy(&variant->tag->parent);
+ if (!copy_tag) {
+ goto end;
+ }
+ }
+
+ copy = bt_ctf_field_type_variant_create(copy_tag,
+ variant->tag_name->len ? variant->tag_name->str : NULL);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_variant = container_of(copy, struct bt_ctf_field_type_variant,
+ parent);
+
+ /* Copy field_name_to_index */
+ g_hash_table_iter_init(&iter, variant->field_name_to_index);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ g_hash_table_insert(copy_variant->field_name_to_index,
+ key, value);
+ }
+
+ for (i = 0; i < variant->fields->len; i++) {
+ struct structure_field *entry, *copy_entry;
+ struct bt_ctf_field_type *copy_field;
+
+ copy_entry = g_new0(struct structure_field, 1);
+ if (!copy_entry) {
+ goto error;
+ }
+
+ entry = g_ptr_array_index(variant->fields, i);
+ copy_field = bt_ctf_field_type_copy(entry->type);
+ if (!copy_field) {
+ g_free(copy_entry);
+ goto error;
+ }
+
+ copy_entry->name = entry->name;
+ copy_entry->type = copy_field;
+ g_ptr_array_add(copy_variant->fields, copy_entry);
+ }
+
+ copy_variant->declaration = variant->declaration;
+ if (variant->tag_field_path) {
+ copy_variant->tag_field_path = bt_ctf_field_path_copy(
+ variant->tag_field_path);
+ if (!copy_variant->tag_field_path) {
+ goto error;
+ }
+ }
+end:
+ bt_put(copy_tag);
+ return copy;
+error:
+ bt_put(copy_tag);
+ BT_PUT(copy);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_array_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy = NULL, *copy_element;
+ struct bt_ctf_field_type_array *array, *copy_array;
+
+ array = container_of(type, struct bt_ctf_field_type_array,
+ parent);
+ copy_element = bt_ctf_field_type_copy(array->element_type);
+ if (!copy_element) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_type_array_create(copy_element, array->length);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_array = container_of(copy, struct bt_ctf_field_type_array,
+ parent);
+ copy_array->declaration = array->declaration;
+end:
+ bt_put(copy_element);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy = NULL, *copy_element;
+ struct bt_ctf_field_type_sequence *sequence, *copy_sequence;
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+ copy_element = bt_ctf_field_type_copy(sequence->element_type);
+ if (!copy_element) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_type_sequence_create(copy_element,
+ sequence->length_field_name->len ?
+ sequence->length_field_name->str : NULL);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_sequence = container_of(copy, struct bt_ctf_field_type_sequence,
+ parent);
+ copy_sequence->declaration = sequence->declaration;
+ if (sequence->length_field_path) {
+ copy_sequence->length_field_path = bt_ctf_field_path_copy(
+ sequence->length_field_path);
+ if (!copy_sequence->length_field_path) {
+ goto error;
+ }
+ }
+end:
+ bt_put(copy_element);
+ return copy;
+error:
+ BT_PUT(copy);
+ goto end;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_string_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_string *string, *copy_string;
+
+ copy = bt_ctf_field_type_string_create();
+ if (!copy) {
+ goto end;
+ }
+
+ string = container_of(type, struct bt_ctf_field_type_string,
+ parent);
+ copy_string = container_of(type, struct bt_ctf_field_type_string,
+ parent);
+ copy_string->declaration = string->declaration;
+end:
+ return copy;
+}
+
+static
+int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_integer *integer_a;
+ struct bt_ctf_field_type_integer *integer_b;
+ struct declaration_integer *decl_a;
+ struct declaration_integer *decl_b;
+
+ integer_a = container_of(type_a, struct bt_ctf_field_type_integer,
+ parent);
+ integer_b = container_of(type_b, struct bt_ctf_field_type_integer,
+ parent);
+ decl_a = &integer_a->declaration;
+ decl_b = &integer_b->declaration;
+
+ /* Length */
+ if (decl_a->len != decl_b->len) {
+ goto end;
+ }
+
+ /*
+ * Compare user byte orders only, not the cached,
+ * real byte orders.
+ */
+ if (integer_a->user_byte_order != integer_b->user_byte_order) {
+ goto end;
+ }
+
+ /* Signedness */
+ if (decl_a->signedness != decl_b->signedness) {
+ goto end;
+ }
+
+ /* Base */
+ if (decl_a->base != decl_b->base) {
+ goto end;
+ }
+
+ /* Encoding */
+ if (decl_a->encoding != decl_b->encoding) {
+ goto end;
+ }
+
+ /* Mapped clock */
+ if (integer_a->mapped_clock != integer_b->mapped_clock) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_floating_point *float_a;
+ struct bt_ctf_field_type_floating_point *float_b;
+
+ float_a = container_of(type_a,
+ struct bt_ctf_field_type_floating_point, parent);
+ float_b = container_of(type_b,
+ struct bt_ctf_field_type_floating_point, parent);
+
+ /* Sign length */
+ if (float_a->sign.len != float_b->sign.len) {
+ goto end;
+ }
+
+ /* Exponent length */
+ if (float_a->exp.len != float_b->exp.len) {
+ goto end;
+ }
+
+ /* Mantissa length */
+ if (float_a->mantissa.len != float_b->mantissa.len) {
+ goto end;
+ }
+
+ /*
+ * Compare user byte orders only, not the cached,
+ * real byte orders.
+ */
+ if (float_a->user_byte_order != float_b->user_byte_order) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int compare_enumeration_mappings(struct enumeration_mapping *mapping_a,
+ struct enumeration_mapping *mapping_b)
+{
+ int ret = 1;
+
+ /* Label */
+ if (mapping_a->string != mapping_b->string) {
+ goto end;
+ }
+
+ /* Range start */
+ if (mapping_a->range_start._unsigned !=
+ mapping_b->range_start._unsigned) {
+ goto end;
+ }
+
+ /* Range end */
+ if (mapping_a->range_end._unsigned !=
+ mapping_b->range_end._unsigned) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ int i;
+ struct bt_ctf_field_type_enumeration *enum_a;
+ struct bt_ctf_field_type_enumeration *enum_b;
+
+ enum_a = container_of(type_a,
+ struct bt_ctf_field_type_enumeration, parent);
+ enum_b = container_of(type_b,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ /* Container field type */
+ ret = bt_ctf_field_type_compare(enum_a->container, enum_b->container);
+ if (ret) {
+ goto end;
+ }
+
+ ret = 1;
+
+ /* Entries */
+ if (enum_a->entries->len != enum_b->entries->len) {
+ goto end;
+ }
+
+ for (i = 0; i < enum_a->entries->len; ++i) {
+ struct enumeration_mapping *mapping_a =
+ g_ptr_array_index(enum_a->entries, i);
+ struct enumeration_mapping *mapping_b =
+ g_ptr_array_index(enum_b->entries, i);
+
+ if (compare_enumeration_mappings(mapping_a, mapping_b)) {
+ goto end;
+ }
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_string *string_a;
+ struct bt_ctf_field_type_string *string_b;
+
+ string_a = container_of(type_a,
+ struct bt_ctf_field_type_string, parent);
+ string_b = container_of(type_b,
+ struct bt_ctf_field_type_string, parent);
+
+ /* Encoding */
+ if (string_a->declaration.encoding != string_b->declaration.encoding) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int compare_structure_fields(struct structure_field *field_a,
+ struct structure_field *field_b)
+{
+ int ret = 1;
+
+ /* Label */
+ if (field_a->name != field_b->name) {
+ goto end;
+ }
+
+ /* Type */
+ ret = bt_ctf_field_type_compare(field_a->type, field_b->type);
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ int i;
+ struct bt_ctf_field_type_structure *struct_a;
+ struct bt_ctf_field_type_structure *struct_b;
+
+ struct_a = container_of(type_a,
+ struct bt_ctf_field_type_structure, parent);
+ struct_b = container_of(type_b,
+ struct bt_ctf_field_type_structure, parent);
+
+ /* Alignment */
+ if (bt_ctf_field_type_get_alignment(type_a) !=
+ bt_ctf_field_type_get_alignment(type_b)) {
+ goto end;
+ }
+
+ /* Fields */
+ if (struct_a->fields->len != struct_b->fields->len) {
+ goto end;
+ }
+
+ for (i = 0; i < struct_a->fields->len; ++i) {
+ struct structure_field *field_a =
+ g_ptr_array_index(struct_a->fields, i);
+ struct structure_field *field_b =
+ g_ptr_array_index(struct_b->fields, i);
+
+ ret = compare_structure_fields(field_a, field_b);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ int i;
+ struct bt_ctf_field_type_variant *variant_a;
+ struct bt_ctf_field_type_variant *variant_b;
+
+ variant_a = container_of(type_a,
+ struct bt_ctf_field_type_variant, parent);
+ variant_b = container_of(type_b,
+ struct bt_ctf_field_type_variant, parent);
+
+ /* Tag name */
+ if (strcmp(variant_a->tag_name->str, variant_b->tag_name->str)) {
+ goto end;
+ }
+
+ /* Tag type */
+ ret = bt_ctf_field_type_compare(
+ (struct bt_ctf_field_type *) variant_a->tag,
+ (struct bt_ctf_field_type *) variant_b->tag);
+ if (ret) {
+ goto end;
+ }
+
+ ret = 1;
+
+ /* Fields */
+ if (variant_a->fields->len != variant_b->fields->len) {
+ goto end;
+ }
+
+ for (i = 0; i < variant_a->fields->len; ++i) {
+ struct structure_field *field_a =
+ g_ptr_array_index(variant_a->fields, i);
+ struct structure_field *field_b =
+ g_ptr_array_index(variant_b->fields, i);
+
+ ret = compare_structure_fields(field_a, field_b);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_array *array_a;
+ struct bt_ctf_field_type_array *array_b;
+
+ array_a = container_of(type_a,
+ struct bt_ctf_field_type_array, parent);
+ array_b = container_of(type_b,
+ struct bt_ctf_field_type_array, parent);
+
+ /* Length */
+ if (array_a->length != array_b->length) {
+ goto end;
+ }
+
+ /* Element type */
+ ret = bt_ctf_field_type_compare(array_a->element_type,
+ array_b->element_type);
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = -1;
+ struct bt_ctf_field_type_sequence *sequence_a;
+ struct bt_ctf_field_type_sequence *sequence_b;
+
+ sequence_a = container_of(type_a,
+ struct bt_ctf_field_type_sequence, parent);
+ sequence_b = container_of(type_b,
+ struct bt_ctf_field_type_sequence, parent);
+
+ /* Length name */
+ if (strcmp(sequence_a->length_field_name->str,
+ sequence_b->length_field_name->str)) {
+ goto end;
+ }
+
+ /* Element type */
+ ret = bt_ctf_field_type_compare(sequence_a->element_type,
+ sequence_b->element_type);
+
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+
+ if (type_a == type_b) {
+ /* Same reference: equal (even if both are NULL) */
+ ret = 0;
+ goto end;
+ }
+
+ if (!type_a || !type_b) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type_a->declaration->id != type_b->declaration->id) {
+ /* Different type IDs */
+ goto end;
+ }
+
+ if (type_a->declaration->id == BT_CTF_TYPE_ID_UNKNOWN) {
+ /* Both have unknown type IDs */
+ goto end;
+ }
+
+ ret = type_compare_funcs[type_a->declaration->id](type_a, type_b);
+
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_get_field_count(struct bt_ctf_field_type *field_type)
+{
+ int field_count = -1;
+ enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type);
+
+ switch (type_id) {
+ case CTF_TYPE_STRUCT:
+ field_count =
+ bt_ctf_field_type_structure_get_field_count(field_type);
+ break;
+ case CTF_TYPE_VARIANT:
+ field_count =
+ bt_ctf_field_type_variant_get_field_count(field_type);
+ break;
+ case CTF_TYPE_ARRAY:
+ case CTF_TYPE_SEQUENCE:
+ /*
+ * Array and sequence types always contain a single member
+ * (the element type).
+ */
+ field_count = 1;
+ break;
+ default:
+ break;
+ }
+
+ return field_count;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_get_field_at_index(
+ struct bt_ctf_field_type *field_type, int index)
+{
+ struct bt_ctf_field_type *field = NULL;
+ enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type);
+
+ switch (type_id) {
+ case CTF_TYPE_STRUCT:
+ bt_ctf_field_type_structure_get_field(field_type, NULL, &field,
+ index);
+ break;
+ case CTF_TYPE_VARIANT:
+ bt_ctf_field_type_variant_get_field(field_type, NULL,
+ &field, index);
+ break;
+ case CTF_TYPE_ARRAY:
+ field = bt_ctf_field_type_array_get_element_type(field_type);
+ break;
+ case CTF_TYPE_SEQUENCE:
+ field = bt_ctf_field_type_sequence_get_element_type(field_type);
+ break;
+ default:
+ break;
+ }
+
+ return field;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type *field_type,
+ const char *name)
+{
+ int field_index = -1;
+ enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type);
+
+ switch (type_id) {
+ case CTF_TYPE_STRUCT:
+ field_index = bt_ctf_field_type_structure_get_field_name_index(
+ field_type, name);
+ break;
+ case CTF_TYPE_VARIANT:
+ field_index = bt_ctf_field_type_variant_get_field_name_index(
+ field_type, name);
+ break;
+ default:
+ break;
+ }
+
+ return field_index;
+}
+
+struct bt_ctf_field_path *bt_ctf_field_type_variant_get_tag_field_path(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_path *field_path = NULL;
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!type || !bt_ctf_field_type_is_variant(type)) {
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ field_path = bt_get(variant->tag_field_path);
+end:
+ return field_path;
+}
+
+struct bt_ctf_field_path *bt_ctf_field_type_sequence_get_length_field_path(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_path *field_path = NULL;
+ struct bt_ctf_field_type_sequence *sequence;
+
+ if (!type || !bt_ctf_field_type_is_sequence(type)) {
+ goto end;
+ }
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+ field_path = bt_get(sequence->length_field_path);
+end:
+ return field_path;
+}
projects / babeltrace.git / blobdiff