--- /dev/null
+/*
+ * 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.
+ */
+
+#define BT_LOG_TAG "FIELD-CLASSES"
+#include <babeltrace/lib-logging-internal.h>
+
+#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/trace-ir/field-class.h>
+#include <babeltrace/trace-ir/field-class-const.h>
+#include <babeltrace/trace-ir/field-class-internal.h>
+#include <babeltrace/trace-ir/field-path-internal.h>
+#include <babeltrace/trace-ir/field-internal.h>
+#include <babeltrace/trace-ir/field-const.h>
+#include <babeltrace/trace-ir/field.h>
+#include <babeltrace/trace-ir/utils-internal.h>
+#include <babeltrace/object.h>
+#include <babeltrace/trace-ir/clock-class.h>
+#include <babeltrace/trace-ir/clock-class-internal.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/object.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/endian-internal.h>
+#include <babeltrace/assert-internal.h>
+#include <babeltrace/compat/glib-internal.h>
+#include <float.h>
+#include <inttypes.h>
+#include <stdlib.h>
+
+enum bt_field_class_type bt_field_class_get_type(
+ const struct bt_field_class *fc)
+{
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ return fc->type;
+}
+
+static
+void init_field_class(struct bt_field_class *fc, enum bt_field_class_type type,
+ bt_object_release_func release_func)
+{
+ BT_ASSERT(fc);
+ BT_ASSERT(bt_field_class_has_known_type(fc));
+ BT_ASSERT(release_func);
+ bt_object_init_shared(&fc->base, release_func);
+ fc->type = type;
+}
+
+static
+void init_integer_field_class(struct bt_field_class_integer *fc,
+ enum bt_field_class_type type,
+ bt_object_release_func release_func)
+{
+ init_field_class((void *) fc, type, release_func);
+ fc->range = 64;
+ fc->base = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL;
+}
+
+static
+void destroy_integer_field_class(struct bt_object *obj)
+{
+ BT_ASSERT(obj);
+ BT_LIB_LOGD("Destroying integer field class object: %!+F", obj);
+ g_free(obj);
+}
+
+static inline
+struct bt_field_class *create_integer_field_class(enum bt_field_class_type type)
+{
+ struct bt_field_class_integer *int_fc = NULL;
+
+ BT_LOGD("Creating default integer field class object: type=%s",
+ bt_common_field_class_type_string(type));
+ int_fc = g_new0(struct bt_field_class_integer, 1);
+ if (!int_fc) {
+ BT_LOGE_STR("Failed to allocate one integer field class.");
+ goto error;
+ }
+
+ init_integer_field_class(int_fc, type, destroy_integer_field_class);
+ BT_LIB_LOGD("Created integer field class object: %!+F", int_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(int_fc);
+
+end:
+ return (void *) int_fc;
+}
+
+struct bt_field_class *
+bt_field_class_unsigned_integer_create(void)
+{
+ return create_integer_field_class(
+ BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER);
+}
+
+struct bt_field_class *bt_field_class_signed_integer_create(void)
+{
+ return create_integer_field_class(
+ BT_FIELD_CLASS_TYPE_SIGNED_INTEGER);
+}
+
+uint64_t bt_field_class_integer_get_field_value_range(
+ const struct bt_field_class *fc)
+{
+ const struct bt_field_class_integer *int_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_IS_INT(fc, "Field class");
+ return int_fc->range;
+}
+
+BT_ASSERT_PRE_FUNC
+static
+bool size_is_valid_for_enumeration_field_class(struct bt_field_class *fc,
+ uint64_t size)
+{
+ // TODO
+ return true;
+}
+
+void bt_field_class_integer_set_field_value_range(
+ struct bt_field_class *fc, uint64_t size)
+{
+ struct bt_field_class_integer *int_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_IS_INT(fc, "Field class");
+ BT_ASSERT_PRE_FC_HOT(fc, "Field class");
+ BT_ASSERT_PRE(size <= 64,
+ "Unsupported size for integer field class's field value range "
+ "(maximum is 64): size=%" PRIu64, size);
+ BT_ASSERT_PRE(
+ int_fc->common.type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER ||
+ int_fc->common.type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER ||
+ size_is_valid_for_enumeration_field_class(fc, size),
+ "Invalid field value range for enumeration field class: "
+ "at least one of the current mapping ranges contains values "
+ "which are outside this range: %!+F, size=%" PRIu64, fc, size);
+ int_fc->range = size;
+ BT_LIB_LOGV("Set integer field class's field value range: %!+F", fc);
+}
+
+enum bt_field_class_integer_preferred_display_base
+bt_field_class_integer_get_preferred_display_base(const struct bt_field_class *fc)
+{
+ const struct bt_field_class_integer *int_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_IS_INT(fc, "Field class");
+ return int_fc->base;
+}
+
+void bt_field_class_integer_set_preferred_display_base(
+ struct bt_field_class *fc,
+ enum bt_field_class_integer_preferred_display_base base)
+{
+ struct bt_field_class_integer *int_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_IS_INT(fc, "Field class");
+ BT_ASSERT_PRE_FC_HOT(fc, "Field class");
+ int_fc->base = base;
+ BT_LIB_LOGV("Set integer field class's preferred display base: %!+F", fc);
+}
+
+static
+void finalize_enumeration_field_class_mapping(
+ struct bt_field_class_enumeration_mapping *mapping)
+{
+ BT_ASSERT(mapping);
+
+ if (mapping->label) {
+ g_string_free(mapping->label, TRUE);
+ }
+
+ if (mapping->ranges) {
+ g_array_free(mapping->ranges, TRUE);
+ }
+}
+
+static
+void destroy_enumeration_field_class(struct bt_object *obj)
+{
+ struct bt_field_class_enumeration *fc = (void *) obj;
+
+ BT_ASSERT(fc);
+ BT_LIB_LOGD("Destroying enumeration field class object: %!+F", fc);
+
+ if (fc->mappings) {
+ uint64_t i;
+
+ for (i = 0; i < fc->mappings->len; i++) {
+ finalize_enumeration_field_class_mapping(
+ BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(fc, i));
+ }
+
+ g_array_free(fc->mappings, TRUE);
+ fc->mappings = NULL;
+ }
+
+ if (fc->label_buf) {
+ g_ptr_array_free(fc->label_buf, TRUE);
+ fc->label_buf = NULL;
+ }
+
+ g_free(fc);
+}
+
+static
+struct bt_field_class *create_enumeration_field_class(
+ enum bt_field_class_type type)
+{
+ struct bt_field_class_enumeration *enum_fc = NULL;
+
+ BT_LOGD("Creating default enumeration field class object: type=%s",
+ bt_common_field_class_type_string(type));
+ enum_fc = g_new0(struct bt_field_class_enumeration, 1);
+ if (!enum_fc) {
+ BT_LOGE_STR("Failed to allocate one enumeration field class.");
+ goto error;
+ }
+
+ init_integer_field_class((void *) enum_fc, type,
+ destroy_enumeration_field_class);
+ enum_fc->mappings = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_field_class_enumeration_mapping));
+ if (!enum_fc->mappings) {
+ BT_LOGE_STR("Failed to allocate a GArray.");
+ goto error;
+ }
+
+ enum_fc->label_buf = g_ptr_array_new();
+ if (!enum_fc->label_buf) {
+ BT_LOGE_STR("Failed to allocate a GArray.");
+ goto error;
+ }
+
+ BT_LIB_LOGD("Created enumeration field class object: %!+F", enum_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(enum_fc);
+
+end:
+ return (void *) enum_fc;
+}
+
+struct bt_field_class *bt_field_class_unsigned_enumeration_create(void)
+{
+ return create_enumeration_field_class(
+ BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION);
+}
+
+struct bt_field_class *bt_field_class_signed_enumeration_create(void)
+{
+ return create_enumeration_field_class(
+ BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION);
+}
+
+uint64_t bt_field_class_enumeration_get_mapping_count(
+ const struct bt_field_class *fc)
+{
+ const struct bt_field_class_enumeration *enum_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_IS_ENUM(fc, "Field class");
+ return (uint64_t) enum_fc->mappings->len;
+}
+
+void bt_field_class_unsigned_enumeration_borrow_mapping_by_index_const(
+ const struct bt_field_class *fc, uint64_t index,
+ const char **name,
+ const struct bt_field_class_unsigned_enumeration_mapping_ranges **ranges)
+{
+ const struct bt_field_class_enumeration *enum_fc = (const void *) fc;
+ const struct bt_field_class_enumeration_mapping *mapping;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_NON_NULL(name, "Name (output)");
+ BT_ASSERT_PRE_NON_NULL(ranges, "Ranges (output)");
+ BT_ASSERT_PRE_VALID_INDEX(index, enum_fc->mappings->len);
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION,
+ "Field class");
+ mapping = BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(fc, index);
+ *name = mapping->label->str;
+ *ranges = (void *) mapping;
+}
+
+void bt_field_class_signed_enumeration_borrow_mapping_by_index_const(
+ const struct bt_field_class *fc, uint64_t index,
+ const char **name,
+ const struct bt_field_class_signed_enumeration_mapping_ranges **ranges)
+{
+ const struct bt_field_class_enumeration *enum_fc = (const void *) fc;
+ const struct bt_field_class_enumeration_mapping *mapping;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_NON_NULL(name, "Name (output)");
+ BT_ASSERT_PRE_NON_NULL(ranges, "Ranges (output)");
+ BT_ASSERT_PRE_VALID_INDEX(index, enum_fc->mappings->len);
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION,
+ "Field class");
+ mapping = BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(fc, index);
+ *name = mapping->label->str;
+ *ranges = (void *) mapping;
+}
+
+static inline
+uint64_t get_enumeration_field_class_mapping_range_count(
+ const struct bt_field_class_enumeration_mapping *mapping)
+{
+ BT_ASSERT_PRE_NON_NULL(mapping, "Ranges");
+ return (uint64_t) mapping->ranges->len;
+}
+
+uint64_t bt_field_class_unsigned_enumeration_mapping_ranges_get_range_count(
+ const struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges)
+{
+ return get_enumeration_field_class_mapping_range_count(
+ (const void *) ranges);
+}
+
+uint64_t bt_field_class_signed_enumeration_mapping_ranges_get_range_count(
+ const struct bt_field_class_signed_enumeration_mapping_ranges *ranges)
+{
+ return get_enumeration_field_class_mapping_range_count(
+ (const void *) ranges);
+}
+
+static inline
+void get_enumeration_field_class_mapping_range_at_index(
+ const struct bt_field_class_enumeration_mapping *mapping,
+ uint64_t index, uint64_t *lower, uint64_t *upper)
+{
+ const struct bt_field_class_enumeration_mapping_range *range;
+
+ BT_ASSERT_PRE_NON_NULL(mapping, "Ranges");
+ BT_ASSERT_PRE_NON_NULL(lower, "Range's lower (output)");
+ BT_ASSERT_PRE_NON_NULL(upper, "Range's upper (output)");
+ BT_ASSERT_PRE_VALID_INDEX(index, mapping->ranges->len);
+ range = BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(mapping, index);
+ *lower = range->lower.u;
+ *upper = range->upper.u;
+}
+
+void bt_field_class_unsigned_enumeration_mapping_ranges_get_range_by_index(
+ const struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges,
+ uint64_t index, uint64_t *lower, uint64_t *upper)
+{
+ get_enumeration_field_class_mapping_range_at_index(
+ (const void *) ranges, index, lower, upper);
+}
+
+void bt_field_class_signed_enumeration_mapping_ranges_get_range_by_index(
+ const struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges,
+ uint64_t index, int64_t *lower, int64_t *upper)
+{
+ get_enumeration_field_class_mapping_range_at_index(
+ (const void *) ranges, index,
+ (uint64_t *) lower, (uint64_t *) upper);
+}
+
+
+
+int bt_field_class_unsigned_enumeration_get_mapping_labels_by_value(
+ const struct bt_field_class *fc, uint64_t value,
+ bt_field_class_enumeration_mapping_label_array *label_array,
+ uint64_t *count)
+{
+ const struct bt_field_class_enumeration *enum_fc = (const void *) fc;
+ uint64_t i;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_NON_NULL(label_array, "Label array (output)");
+ BT_ASSERT_PRE_NON_NULL(count, "Count (output)");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION,
+ "Field class");
+ g_ptr_array_set_size(enum_fc->label_buf, 0);
+
+ for (i = 0; i < enum_fc->mappings->len; i++) {
+ uint64_t j;
+ const struct bt_field_class_enumeration_mapping *mapping =
+ BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, i);
+
+ for (j = 0; j < mapping->ranges->len; j++) {
+ const struct bt_field_class_enumeration_mapping_range *range =
+ BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(
+ mapping, j);
+
+ if (value >= range->lower.u &&
+ value <= range->upper.u) {
+ g_ptr_array_add(enum_fc->label_buf,
+ mapping->label->str);
+ break;
+ }
+ }
+ }
+
+ *label_array = (void *) enum_fc->label_buf->pdata;
+ *count = (uint64_t) enum_fc->label_buf->len;
+ return 0;
+}
+
+int bt_field_class_signed_enumeration_get_mapping_labels_by_value(
+ const struct bt_field_class *fc, int64_t value,
+ bt_field_class_enumeration_mapping_label_array *label_array,
+ uint64_t *count)
+{
+ const struct bt_field_class_enumeration *enum_fc = (const void *) fc;
+ uint64_t i;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_NON_NULL(label_array, "Label array (output)");
+ BT_ASSERT_PRE_NON_NULL(count, "Count (output)");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION,
+ "Field class");
+ g_ptr_array_set_size(enum_fc->label_buf, 0);
+
+ for (i = 0; i < enum_fc->mappings->len; i++) {
+ uint64_t j;
+ const struct bt_field_class_enumeration_mapping *mapping =
+ BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, i);
+
+ for (j = 0; j < mapping->ranges->len; j++) {
+ const struct bt_field_class_enumeration_mapping_range *range =
+ BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(
+ mapping, j);
+
+ if (value >= range->lower.i &&
+ value <= range->upper.i) {
+ g_ptr_array_add(enum_fc->label_buf,
+ mapping->label->str);
+ break;
+ }
+ }
+ }
+
+ *label_array = (void *) enum_fc->label_buf->pdata;
+ *count = (uint64_t) enum_fc->label_buf->len;
+ return 0;
+}
+
+static inline
+int add_mapping_to_enumeration_field_class(struct bt_field_class *fc,
+ const char *label, uint64_t lower, uint64_t upper)
+{
+ int ret = 0;
+ uint64_t i;
+ struct bt_field_class_enumeration *enum_fc = (void *) fc;
+ struct bt_field_class_enumeration_mapping *mapping = NULL;
+ struct bt_field_class_enumeration_mapping_range *range;
+
+ BT_ASSERT(fc);
+ BT_ASSERT_PRE_NON_NULL(label, "Label");
+
+ /* Find existing mapping identified by this label */
+ for (i = 0; i < enum_fc->mappings->len; i++) {
+ struct bt_field_class_enumeration_mapping *mapping_candidate =
+ BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, i);
+
+ if (strcmp(mapping_candidate->label->str, label) == 0) {
+ mapping = mapping_candidate;
+ break;
+ }
+ }
+
+ if (!mapping) {
+ /* Create new mapping for this label */
+ g_array_set_size(enum_fc->mappings, enum_fc->mappings->len + 1);
+ mapping = BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc,
+ enum_fc->mappings->len - 1);
+ mapping->ranges = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_field_class_enumeration_mapping_range));
+ if (!mapping->ranges) {
+ finalize_enumeration_field_class_mapping(mapping);
+ g_array_set_size(enum_fc->mappings,
+ enum_fc->mappings->len - 1);
+ ret = -1;
+ goto end;
+ }
+
+ mapping->label = g_string_new(label);
+ if (!mapping->label) {
+ finalize_enumeration_field_class_mapping(mapping);
+ g_array_set_size(enum_fc->mappings,
+ enum_fc->mappings->len - 1);
+ ret = -1;
+ goto end;
+ }
+ }
+
+ /* Add range */
+ BT_ASSERT(mapping);
+ g_array_set_size(mapping->ranges, mapping->ranges->len + 1);
+ range = BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(mapping,
+ mapping->ranges->len - 1);
+ range->lower.u = lower;
+ range->upper.u = upper;
+ BT_LIB_LOGV("Added mapping to enumeration field class: "
+ "%![fc-]+F, label=\"%s\", lower-unsigned=%" PRIu64 ", "
+ "upper-unsigned=%" PRIu64, fc, label, lower, upper);
+
+end:
+ return ret;
+}
+
+int bt_field_class_unsigned_enumeration_map_range(
+ struct bt_field_class *fc, const char *label,
+ uint64_t range_lower, uint64_t range_upper)
+{
+ struct bt_field_class_enumeration *enum_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION,
+ "Field class");
+ BT_ASSERT_PRE(range_lower <= range_upper,
+ "Range's upper bound is less than lower bound: "
+ "upper=%" PRIu64 ", lower=%" PRIu64,
+ range_lower, range_upper);
+ BT_ASSERT_PRE(bt_util_value_is_in_range_unsigned(enum_fc->common.range,
+ range_lower),
+ "Range's lower bound is outside the enumeration field class's value range: "
+ "%![fc-]+F, lower=%" PRIu64, fc, range_lower);
+ BT_ASSERT_PRE(bt_util_value_is_in_range_unsigned(enum_fc->common.range,
+ range_upper),
+ "Range's upper bound is outside the enumeration field class's value range: "
+ "%![fc-]+F, upper=%" PRIu64, fc, range_upper);
+ return add_mapping_to_enumeration_field_class(fc, label, range_lower,
+ range_upper);
+}
+
+int bt_field_class_signed_enumeration_map_range(
+ struct bt_field_class *fc, const char *label,
+ int64_t range_lower, int64_t range_upper)
+{
+ struct bt_field_class_enumeration *enum_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION,
+ "Field class");
+ BT_ASSERT_PRE(range_lower <= range_upper,
+ "Range's upper bound is less than lower bound: "
+ "upper=%" PRId64 ", lower=%" PRId64,
+ range_lower, range_upper);
+ BT_ASSERT_PRE(bt_util_value_is_in_range_signed(enum_fc->common.range,
+ range_lower),
+ "Range's lower bound is outside the enumeration field class's value range: "
+ "%![fc-]+F, lower=%" PRId64, fc, range_lower);
+ BT_ASSERT_PRE(bt_util_value_is_in_range_signed(enum_fc->common.range,
+ range_upper),
+ "Range's upper bound is outside the enumeration field class's value range: "
+ "%![fc-]+F, upper=%" PRId64, fc, range_upper);
+ return add_mapping_to_enumeration_field_class(fc, label, range_lower,
+ range_upper);
+}
+
+static
+void destroy_real_field_class(struct bt_object *obj)
+{
+ BT_ASSERT(obj);
+ BT_LIB_LOGD("Destroying real field class object: %!+F", obj);
+ g_free(obj);
+}
+
+struct bt_field_class *bt_field_class_real_create(void)
+{
+ struct bt_field_class_real *real_fc = NULL;
+
+ BT_LOGD_STR("Creating default real field class object.");
+ real_fc = g_new0(struct bt_field_class_real, 1);
+ if (!real_fc) {
+ BT_LOGE_STR("Failed to allocate one real field class.");
+ goto error;
+ }
+
+ init_field_class((void *) real_fc, BT_FIELD_CLASS_TYPE_REAL,
+ destroy_real_field_class);
+ BT_LIB_LOGD("Created real field class object: %!+F", real_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(real_fc);
+
+end:
+ return (void *) real_fc;
+}
+
+bt_bool bt_field_class_real_is_single_precision(const struct bt_field_class *fc)
+{
+ const struct bt_field_class_real *real_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_REAL, "Field class");
+ return real_fc->is_single_precision;
+}
+
+void bt_field_class_real_set_is_single_precision(struct bt_field_class *fc,
+ bt_bool is_single_precision)
+{
+ struct bt_field_class_real *real_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_REAL, "Field class");
+ BT_ASSERT_PRE_FC_HOT(fc, "Field class");
+ real_fc->is_single_precision = (bool) is_single_precision;
+ BT_LIB_LOGV("Set real field class's \"is single precision\" property: "
+ "%!+F", fc);
+}
+
+static
+int init_named_field_classes_container(
+ struct bt_field_class_named_field_class_container *fc,
+ enum bt_field_class_type type,
+ bt_object_release_func release_func)
+{
+ int ret = 0;
+
+ init_field_class((void *) fc, type, release_func);
+ fc->named_fcs = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_named_field_class));
+ if (!fc->named_fcs) {
+ BT_LOGE_STR("Failed to allocate a GArray.");
+ ret = -1;
+ goto end;
+ }
+
+ fc->name_to_index = g_hash_table_new(g_str_hash, g_str_equal);
+ if (!fc->name_to_index) {
+ BT_LOGE_STR("Failed to allocate a GHashTable.");
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+void finalize_named_field_class(struct bt_named_field_class *named_fc)
+{
+ BT_ASSERT(named_fc);
+ BT_LIB_LOGD("Finalizing named field class: "
+ "addr=%p, name=\"%s\", %![fc-]+F",
+ named_fc, named_fc->name ? named_fc->name->str : NULL,
+ named_fc->fc);
+
+ if (named_fc->name) {
+ g_string_free(named_fc->name, TRUE);
+ }
+
+ BT_LOGD_STR("Putting named field class's field class.");
+ BT_OBJECT_PUT_REF_AND_RESET(named_fc->fc);
+}
+
+static
+void finalize_named_field_classes_container(
+ struct bt_field_class_named_field_class_container *fc)
+{
+ uint64_t i;
+
+ BT_ASSERT(fc);
+
+ if (fc->named_fcs) {
+ for (i = 0; i < fc->named_fcs->len; i++) {
+ finalize_named_field_class(
+ &g_array_index(fc->named_fcs,
+ struct bt_named_field_class, i));
+ }
+
+ g_array_free(fc->named_fcs, TRUE);
+ }
+
+ if (fc->name_to_index) {
+ g_hash_table_destroy(fc->name_to_index);
+ }
+}
+
+static
+void destroy_structure_field_class(struct bt_object *obj)
+{
+ BT_ASSERT(obj);
+ BT_LIB_LOGD("Destroying string field class object: %!+F", obj);
+ finalize_named_field_classes_container((void *) obj);
+ g_free(obj);
+}
+
+struct bt_field_class *bt_field_class_structure_create(void)
+{
+ int ret;
+ struct bt_field_class_structure *struct_fc = NULL;
+
+ BT_LOGD_STR("Creating default structure field class object.");
+ struct_fc = g_new0(struct bt_field_class_structure, 1);
+ if (!struct_fc) {
+ BT_LOGE_STR("Failed to allocate one structure field class.");
+ goto error;
+ }
+
+ ret = init_named_field_classes_container((void *) struct_fc,
+ BT_FIELD_CLASS_TYPE_STRUCTURE, destroy_structure_field_class);
+ if (ret) {
+ goto error;
+ }
+
+ BT_LIB_LOGD("Created structure field class object: %!+F", struct_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(struct_fc);
+
+end:
+ return (void *) struct_fc;
+}
+
+static
+int append_named_field_class_to_container_field_class(
+ struct bt_field_class_named_field_class_container *container_fc,
+ const char *name, struct bt_field_class *fc)
+{
+ int ret = 0;
+ struct bt_named_field_class *named_fc;
+ GString *name_str;
+
+ BT_ASSERT(container_fc);
+ BT_ASSERT_PRE_FC_HOT(container_fc, "Field class");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE(!bt_g_hash_table_contains(container_fc->name_to_index,
+ name),
+ "Duplicate member/option name in structure/variant field class: "
+ "%![container-fc-]+F, name=\"%s\"", container_fc, name);
+ name_str = g_string_new(name);
+ if (!name_str) {
+ BT_LOGE_STR("Failed to allocate a GString.");
+ ret = -1;
+ goto end;
+ }
+
+ g_array_set_size(container_fc->named_fcs,
+ container_fc->named_fcs->len + 1);
+ named_fc = &g_array_index(container_fc->named_fcs,
+ struct bt_named_field_class, container_fc->named_fcs->len - 1);
+ named_fc->name = name_str;
+ named_fc->fc = fc;
+ bt_object_get_no_null_check(fc);
+ g_hash_table_insert(container_fc->name_to_index, named_fc->name->str,
+ GUINT_TO_POINTER(container_fc->named_fcs->len - 1));
+ bt_field_class_freeze(fc);
+
+end:
+ return ret;
+}
+
+int bt_field_class_structure_append_member(struct bt_field_class *fc,
+ const char *name, struct bt_field_class *member_fc)
+{
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class");
+ return append_named_field_class_to_container_field_class((void *) fc,
+ name, member_fc);
+}
+
+uint64_t bt_field_class_structure_get_member_count(
+ const struct bt_field_class *fc)
+{
+ struct bt_field_class_structure *struct_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class");
+ return (uint64_t) struct_fc->common.named_fcs->len;
+}
+
+static
+void borrow_named_field_class_from_container_field_class_at_index_const(
+ const struct bt_field_class_named_field_class_container *fc,
+ uint64_t index, const char **name,
+ const struct bt_field_class **out_fc)
+{
+ const struct bt_named_field_class *named_fc;
+
+ BT_ASSERT(fc);
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ BT_ASSERT_PRE_NON_NULL(out_fc, "Field class (output)");
+ BT_ASSERT_PRE_VALID_INDEX(index, fc->named_fcs->len);
+ named_fc = BT_FIELD_CLASS_NAMED_FC_AT_INDEX(fc, index);
+ *name = named_fc->name->str;
+ *out_fc = named_fc->fc;
+}
+
+void bt_field_class_structure_borrow_member_by_index_const(
+ const struct bt_field_class *fc, uint64_t index,
+ const char **name, const struct bt_field_class **out_fc)
+{
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class");
+ borrow_named_field_class_from_container_field_class_at_index_const(
+ (void *) fc, index, name, out_fc);
+}
+
+static
+const struct bt_field_class *
+borrow_field_class_from_container_field_class_by_name_const(
+ const struct bt_field_class_named_field_class_container *fc,
+ const char *name)
+{
+ const struct bt_field_class *ret_fc = NULL;
+ const struct bt_named_field_class *named_fc;
+ gpointer orig_key;
+ gpointer value;
+
+ BT_ASSERT(fc);
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ if (!g_hash_table_lookup_extended(fc->name_to_index, name, &orig_key,
+ &value)) {
+ goto end;
+ }
+
+ named_fc = BT_FIELD_CLASS_NAMED_FC_AT_INDEX(fc,
+ GPOINTER_TO_UINT(value));
+ ret_fc = named_fc->fc;
+
+end:
+ return ret_fc;
+}
+
+const struct bt_field_class *
+bt_field_class_structure_borrow_member_field_class_by_name(
+ const struct bt_field_class *fc, const char *name)
+{
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class");
+ return borrow_field_class_from_container_field_class_by_name_const(
+ (void *) fc, name);
+}
+
+static
+void destroy_variant_field_class(struct bt_object *obj)
+{
+ struct bt_field_class_variant *fc = (void *) obj;
+
+ BT_ASSERT(fc);
+ BT_LIB_LOGD("Destroying variant field class object: %!+F", fc);
+ finalize_named_field_classes_container((void *) fc);
+ BT_LOGD_STR("Putting selector field path.");
+ BT_OBJECT_PUT_REF_AND_RESET(fc->selector_field_path);
+ BT_LOGD_STR("Putting selector field class.");
+ BT_OBJECT_PUT_REF_AND_RESET(fc->selector_fc);
+ g_free(fc);
+}
+
+struct bt_field_class *bt_field_class_variant_create(void)
+{
+ int ret;
+ struct bt_field_class_variant *var_fc = NULL;
+
+ BT_LOGD_STR("Creating default variant field class object.");
+ var_fc = g_new0(struct bt_field_class_variant, 1);
+ if (!var_fc) {
+ BT_LOGE_STR("Failed to allocate one variant field class.");
+ goto error;
+ }
+
+ ret = init_named_field_classes_container((void *) var_fc,
+ BT_FIELD_CLASS_TYPE_VARIANT, destroy_variant_field_class);
+ if (ret) {
+ goto error;
+ }
+
+ BT_LIB_LOGD("Created variant field class object: %!+F", var_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(var_fc);
+
+end:
+ return (void *) var_fc;
+}
+
+int bt_field_class_variant_set_selector_field_class(
+ struct bt_field_class *fc,
+ struct bt_field_class *selector_fc)
+{
+ struct bt_field_class_variant *var_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Variant field class");
+ BT_ASSERT_PRE_NON_NULL(selector_fc, "Selector field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class");
+ BT_ASSERT_PRE_FC_IS_ENUM(selector_fc, "Selector field class");
+ BT_ASSERT_PRE_FC_HOT(fc, "Variant field class");
+ var_fc->selector_fc = selector_fc;
+ bt_object_get_no_null_check(selector_fc);
+ bt_field_class_freeze(selector_fc);
+ return 0;
+}
+
+int bt_field_class_variant_append_option(
+ struct bt_field_class *fc,
+ const char *name, struct bt_field_class *option_fc)
+{
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class");
+ return append_named_field_class_to_container_field_class((void *) fc,
+ name, option_fc);
+}
+
+const struct bt_field_class *
+bt_field_class_variant_borrow_option_field_class_by_name_const(
+ const struct bt_field_class *fc, const char *name)
+{
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class");
+ return borrow_field_class_from_container_field_class_by_name_const(
+ (void *) fc, name);
+}
+
+uint64_t bt_field_class_variant_get_option_count(const struct bt_field_class *fc)
+{
+ const struct bt_field_class_variant *var_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class");
+ return (uint64_t) var_fc->common.named_fcs->len;
+}
+
+void bt_field_class_variant_borrow_option_by_index_const(
+ const struct bt_field_class *fc, uint64_t index,
+ const char **name, const struct bt_field_class **out_fc)
+{
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class");
+ borrow_named_field_class_from_container_field_class_at_index_const(
+ (void *) fc, index, name, out_fc);
+}
+
+const struct bt_field_path *
+bt_field_class_variant_borrow_selector_field_path_const(
+ const struct bt_field_class *fc)
+{
+ const struct bt_field_class_variant *var_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT,
+ "Field class");
+ return var_fc->selector_field_path;
+}
+
+static
+void init_array_field_class(struct bt_field_class_array *fc,
+ enum bt_field_class_type type, bt_object_release_func release_func,
+ struct bt_field_class *element_fc)
+{
+ BT_ASSERT(element_fc);
+ init_field_class((void *) fc, type, release_func);
+ fc->element_fc = element_fc;
+ bt_object_get_no_null_check(element_fc);
+ bt_field_class_freeze(element_fc);
+}
+
+static
+void finalize_array_field_class(struct bt_field_class_array *array_fc)
+{
+ BT_ASSERT(array_fc);
+ BT_LOGD_STR("Putting element field class.");
+ BT_OBJECT_PUT_REF_AND_RESET(array_fc->element_fc);
+}
+
+static
+void destroy_static_array_field_class(struct bt_object *obj)
+{
+ BT_ASSERT(obj);
+ BT_LIB_LOGD("Destroying static array field class object: %!+F", obj);
+ finalize_array_field_class((void *) obj);
+ g_free(obj);
+}
+
+struct bt_field_class *
+bt_field_class_static_array_create(struct bt_field_class *element_fc,
+ uint64_t length)
+{
+ struct bt_field_class_static_array *array_fc = NULL;
+
+ BT_ASSERT_PRE_NON_NULL(element_fc, "Element field class");
+ BT_LOGD_STR("Creating default static array field class object.");
+ array_fc = g_new0(struct bt_field_class_static_array, 1);
+ if (!array_fc) {
+ BT_LOGE_STR("Failed to allocate one static array field class.");
+ goto error;
+ }
+
+ init_array_field_class((void *) array_fc, BT_FIELD_CLASS_TYPE_STATIC_ARRAY,
+ destroy_static_array_field_class, element_fc);
+ array_fc->length = length;
+ BT_LIB_LOGD("Created static array field class object: %!+F", array_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(array_fc);
+
+end:
+ return (void *) array_fc;
+}
+
+const struct bt_field_class *
+bt_field_class_array_borrow_element_field_class_const(
+ const struct bt_field_class *fc)
+{
+ const struct bt_field_class_array *array_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_IS_ARRAY(fc, "Field class");
+ return array_fc->element_fc;
+}
+
+uint64_t bt_field_class_static_array_get_length(const struct bt_field_class *fc)
+{
+ const struct bt_field_class_static_array *array_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STATIC_ARRAY,
+ "Field class");
+ return (uint64_t) array_fc->length;
+}
+
+static
+void destroy_dynamic_array_field_class(struct bt_object *obj)
+{
+ struct bt_field_class_dynamic_array *fc = (void *) obj;
+
+ BT_ASSERT(fc);
+ BT_LIB_LOGD("Destroying dynamic array field class object: %!+F", fc);
+ finalize_array_field_class((void *) fc);
+ BT_LOGD_STR("Putting length field path.");
+ BT_OBJECT_PUT_REF_AND_RESET(fc->length_field_path);
+ BT_LOGD_STR("Putting length field class.");
+ BT_OBJECT_PUT_REF_AND_RESET(fc->length_fc);
+ g_free(fc);
+}
+
+struct bt_field_class *bt_field_class_dynamic_array_create(
+ struct bt_field_class *element_fc)
+{
+ struct bt_field_class_dynamic_array *array_fc = NULL;
+
+ BT_ASSERT_PRE_NON_NULL(element_fc, "Element field class");
+ BT_LOGD_STR("Creating default dynamic array field class object.");
+ array_fc = g_new0(struct bt_field_class_dynamic_array, 1);
+ if (!array_fc) {
+ BT_LOGE_STR("Failed to allocate one dynamic array field class.");
+ goto error;
+ }
+
+ init_array_field_class((void *) array_fc,
+ BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY,
+ destroy_dynamic_array_field_class, element_fc);
+ BT_LIB_LOGD("Created dynamic array field class object: %!+F", array_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(array_fc);
+
+end:
+ return (void *) array_fc;
+}
+
+int bt_field_class_dynamic_array_set_length_field_class(
+ struct bt_field_class *fc,
+ struct bt_field_class *length_fc)
+{
+ struct bt_field_class_dynamic_array *array_fc = (void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Dynamic array field class");
+ BT_ASSERT_PRE_NON_NULL(length_fc, "Length field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY,
+ "Field class");
+ BT_ASSERT_PRE_FC_IS_UNSIGNED_INT(length_fc, "Length field class");
+ BT_ASSERT_PRE_FC_HOT(fc, "Dynamic array field class");
+ array_fc->length_fc = length_fc;
+ bt_object_get_no_null_check(length_fc);
+ bt_field_class_freeze(length_fc);
+ return 0;
+}
+
+const struct bt_field_path *
+bt_field_class_dynamic_array_borrow_length_field_path_const(
+ const struct bt_field_class *fc)
+{
+ const struct bt_field_class_dynamic_array *seq_fc = (const void *) fc;
+
+ BT_ASSERT_PRE_NON_NULL(fc, "Field class");
+ BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY,
+ "Field class");
+ return seq_fc->length_field_path;
+}
+
+static
+void destroy_string_field_class(struct bt_object *obj)
+{
+ BT_ASSERT(obj);
+ BT_LIB_LOGD("Destroying string field class object: %!+F", obj);
+ g_free(obj);
+}
+
+struct bt_field_class *bt_field_class_string_create(void)
+{
+ struct bt_field_class_string *string_fc = NULL;
+
+ BT_LOGD_STR("Creating default string field class object.");
+ string_fc = g_new0(struct bt_field_class_string, 1);
+ if (!string_fc) {
+ BT_LOGE_STR("Failed to allocate one string field class.");
+ goto error;
+ }
+
+ init_field_class((void *) string_fc, BT_FIELD_CLASS_TYPE_STRING,
+ destroy_string_field_class);
+ BT_LIB_LOGD("Created string field class object: %!+F", string_fc);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(string_fc);
+
+end:
+ return (void *) string_fc;
+}
+
+BT_HIDDEN
+void _bt_field_class_freeze(const struct bt_field_class *fc)
+{
+ /*
+ * Element/member/option field classes are frozen when added to
+ * their owner.
+ */
+ BT_ASSERT(fc);
+ ((struct bt_field_class *) fc)->frozen = true;
+}
+
+BT_HIDDEN
+void _bt_field_class_make_part_of_trace_class(const struct bt_field_class *c_fc)
+{
+ struct bt_field_class *fc = (void *) c_fc;
+
+ BT_ASSERT(fc);
+ BT_ASSERT_PRE(!fc->part_of_trace_class,
+ "Field class is already part of a trace: %!+F", fc);
+ fc->part_of_trace_class = true;
+
+ switch (fc->type) {
+ case BT_FIELD_CLASS_TYPE_STRUCTURE:
+ case BT_FIELD_CLASS_TYPE_VARIANT:
+ {
+ struct bt_field_class_named_field_class_container *container_fc =
+ (void *) fc;
+ uint64_t i;
+
+ for (i = 0; i < container_fc->named_fcs->len; i++) {
+ struct bt_named_field_class *named_fc =
+ BT_FIELD_CLASS_NAMED_FC_AT_INDEX(
+ container_fc, i);
+
+ bt_field_class_make_part_of_trace_class(named_fc->fc);
+ }
+
+ break;
+ }
+ case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
+ case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
+ {
+ struct bt_field_class_array *array_fc = (void *) fc;
+
+ bt_field_class_make_part_of_trace_class(array_fc->element_fc);
+ break;
+ }
+ default:
+ break;
+ }
+}
projects / babeltrace.git / blobdiff