Move to kernel style SPDX license identifiers
[babeltrace.git] / src / lib / trace-ir / field.c
index 26160c20d0d0ca013e29d0a0bd0f1102ca4c8556..922b9abb8d4fac71329d2dd78e026874c891e262 100644 (file)
@@ -1,24 +1,8 @@
 /*
+ * SPDX-License-Identifier: MIT
+ *
  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
  * Copyright 2013, 2014 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 "LIB/FIELD"
 
 #include "lib/assert-pre.h"
 #include <babeltrace2/trace-ir/field.h>
-#include <babeltrace2/trace-ir/field-const.h>
 #include "lib/object.h"
 #include "compat/compiler.h"
 #include "compat/fcntl.h"
 #include "common/align.h"
 #include "common/assert.h"
 #include <inttypes.h>
+#include <stdbool.h>
 
 #include "field.h"
 #include "field-class.h"
@@ -47,6 +31,9 @@ void reset_array_field(struct bt_field *field);
 static
 void reset_structure_field(struct bt_field *field);
 
+static
+void reset_option_field(struct bt_field *field);
+
 static
 void reset_variant_field(struct bt_field *field);
 
@@ -59,6 +46,9 @@ void set_array_field_is_frozen(struct bt_field *field, bool is_frozen);
 static
 void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen);
 
+static
+void set_option_field_is_frozen(struct bt_field *field, bool is_frozen);
+
 static
 void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen);
 
@@ -71,9 +61,26 @@ bool array_field_is_set(const struct bt_field *field);
 static
 bool structure_field_is_set(const struct bt_field *field);
 
+static
+bool option_field_is_set(const struct bt_field *field);
+
 static
 bool variant_field_is_set(const struct bt_field *field);
 
+static
+struct bt_field_methods bool_field_methods = {
+       .set_is_frozen = set_single_field_is_frozen,
+       .is_set = single_field_is_set,
+       .reset = reset_single_field,
+};
+
+static
+struct bt_field_methods bit_array_field_methods = {
+       .set_is_frozen = set_single_field_is_frozen,
+       .is_set = single_field_is_set,
+       .reset = reset_single_field,
+};
+
 static
 struct bt_field_methods integer_field_methods = {
        .set_is_frozen = set_single_field_is_frozen,
@@ -109,6 +116,13 @@ struct bt_field_methods array_field_methods = {
        .reset = reset_array_field,
 };
 
+static
+struct bt_field_methods option_field_methods = {
+       .set_is_frozen = set_option_field_is_frozen,
+       .is_set = option_field_is_set,
+       .reset = reset_option_field,
+};
+
 static
 struct bt_field_methods variant_field_methods = {
        .set_is_frozen = set_variant_field_is_frozen,
@@ -116,6 +130,12 @@ struct bt_field_methods variant_field_methods = {
        .reset = reset_variant_field,
 };
 
+static
+struct bt_field *create_bool_field(struct bt_field_class *);
+
+static
+struct bt_field *create_bit_array_field(struct bt_field_class *);
+
 static
 struct bt_field *create_integer_field(struct bt_field_class *);
 
@@ -134,24 +154,17 @@ struct bt_field *create_static_array_field(struct bt_field_class *);
 static
 struct bt_field *create_dynamic_array_field(struct bt_field_class *);
 
+static
+struct bt_field *create_option_field(struct bt_field_class *);
+
 static
 struct bt_field *create_variant_field(struct bt_field_class *);
 
 static
-struct bt_field *(* const field_create_funcs[])(struct bt_field_class *) = {
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER]                  = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_INTEGER]                    = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION]              = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION]                = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_REAL]                              = create_real_field,
-       [BT_FIELD_CLASS_TYPE_STRING]                            = create_string_field,
-       [BT_FIELD_CLASS_TYPE_STRUCTURE]                         = create_structure_field,
-       [BT_FIELD_CLASS_TYPE_STATIC_ARRAY]                      = create_static_array_field,
-       [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY]                     = create_dynamic_array_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR]          = create_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR]    = create_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR]      = create_variant_field,
-};
+void destroy_bool_field(struct bt_field *field);
+
+static
+void destroy_bit_array_field(struct bt_field *field);
 
 static
 void destroy_integer_field(struct bt_field *field);
@@ -169,25 +182,12 @@ static
 void destroy_array_field(struct bt_field *field);
 
 static
-void destroy_variant_field(struct bt_field *field);
+void destroy_option_field(struct bt_field *field);
 
 static
-void (* const field_destroy_funcs[])(struct bt_field *) = {
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER]                  = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_INTEGER]                    = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION]              = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION]                = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_REAL]                              = destroy_real_field,
-       [BT_FIELD_CLASS_TYPE_STRING]                            = destroy_string_field,
-       [BT_FIELD_CLASS_TYPE_STRUCTURE]                         = destroy_structure_field,
-       [BT_FIELD_CLASS_TYPE_STATIC_ARRAY]                      = destroy_array_field,
-       [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY]                     = destroy_array_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR]          = destroy_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR]    = destroy_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR]      = destroy_variant_field,
-};
+void destroy_variant_field(struct bt_field *field);
 
-struct bt_field_class *bt_field_borrow_class(const struct bt_field *field)
+struct bt_field_class *bt_field_borrow_class(struct bt_field *field)
 {
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        return field->class;
@@ -212,7 +212,52 @@ struct bt_field *bt_field_create(struct bt_field_class *fc)
        struct bt_field *field = NULL;
 
        BT_ASSERT(fc);
-       field = field_create_funcs[fc->type](fc);
+
+       switch (fc->type) {
+       case BT_FIELD_CLASS_TYPE_BOOL:
+               field = create_bool_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
+               field = create_bit_array_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
+               field = create_integer_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
+       case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
+               field = create_real_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRING:
+               field = create_string_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRUCTURE:
+               field = create_structure_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
+               field = create_static_array_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD:
+               field = create_dynamic_array_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               field = create_option_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               field = create_variant_field(fc);
+               break;
+       default:
+               bt_common_abort();
+       }
+
        if (!field) {
                BT_LIB_LOGE_APPEND_CAUSE("Cannot create field object from field class: "
                        "%![fc-]+F", fc);
@@ -232,7 +277,47 @@ void init_field(struct bt_field *field, struct bt_field_class *fc,
        bt_object_init_unique(&field->base);
        field->methods = methods;
        field->class = fc;
-       bt_object_get_no_null_check(fc);
+       bt_object_get_ref_no_null_check(fc);
+}
+
+static
+struct bt_field *create_bool_field(struct bt_field_class *fc)
+{
+       struct bt_field_bool *bool_field;
+
+       BT_LIB_LOGD("Creating boolean field object: %![fc-]+F", fc);
+       bool_field = g_new0(struct bt_field_bool, 1);
+       if (!bool_field) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to allocate one boolean field.");
+               goto end;
+       }
+
+       init_field((void *) bool_field, fc, &bool_field_methods);
+       BT_LIB_LOGD("Created boolean field object: %!+f", bool_field);
+
+end:
+       return (void *) bool_field;
+}
+
+static
+struct bt_field *create_bit_array_field(struct bt_field_class *fc)
+{
+       struct bt_field_bit_array *ba_field;
+
+       BT_LIB_LOGD("Creating bit array field object: %![fc-]+F", fc);
+       ba_field = g_new0(struct bt_field_bit_array, 1);
+       if (!ba_field) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to allocate one bit array field.");
+               goto end;
+       }
+
+       init_field((void *) ba_field, fc, &bit_array_field_methods);
+       BT_LIB_LOGD("Created bit array field object: %!+f", ba_field);
+
+end:
+       return (void *) ba_field;
 }
 
 static
@@ -292,7 +377,8 @@ struct bt_field *create_string_field(struct bt_field_class *fc)
                sizeof(char), 1);
        if (!string_field->buf) {
                BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
-               BT_OBJECT_PUT_REF_AND_RESET(string_field);
+               bt_field_destroy((void *) string_field);
+               string_field = NULL;
                goto end;
        }
 
@@ -361,7 +447,8 @@ struct bt_field *create_structure_field(struct bt_field_class *fc)
                        &struct_field->fields)) {
                BT_LIB_LOGE_APPEND_CAUSE(
                        "Cannot create structure member fields: %![fc-]+F", fc);
-               BT_OBJECT_PUT_REF_AND_RESET(struct_field);
+               bt_field_destroy((void *) struct_field);
+               struct_field = NULL;
                goto end;
        }
 
@@ -371,6 +458,38 @@ end:
        return (void *) struct_field;
 }
 
+static
+struct bt_field *create_option_field(struct bt_field_class *fc)
+{
+       struct bt_field_option *opt_field;
+       struct bt_field_class_option *opt_fc = (void *) fc;
+
+       BT_LIB_LOGD("Creating option field object: %![fc-]+F", fc);
+       opt_field = g_new0(struct bt_field_option, 1);
+       if (!opt_field) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to allocate one option field.");
+               goto end;
+       }
+
+       init_field((void *) opt_field, fc, &option_field_methods);
+       opt_field->content_field = bt_field_create(opt_fc->content_fc);
+       if (!opt_field->content_field) {
+               BT_LIB_LOGE_APPEND_CAUSE(
+                       "Failed to create option field's content field: "
+                       "%![opt-fc-]+F, %![content-fc-]+F",
+                       opt_fc, opt_fc->content_fc);
+               bt_field_destroy((void *) opt_field);
+               opt_field = NULL;
+               goto end;
+       }
+
+       BT_LIB_LOGD("Created option field object: %!+f", opt_field);
+
+end:
+       return (void *) opt_field;
+}
+
 static
 struct bt_field *create_variant_field(struct bt_field_class *fc)
 {
@@ -390,7 +509,8 @@ struct bt_field *create_variant_field(struct bt_field_class *fc)
                        &var_field->fields)) {
                BT_LIB_LOGE_APPEND_CAUSE("Cannot create variant member fields: "
                        "%![fc-]+F", fc);
-               BT_OBJECT_PUT_REF_AND_RESET(var_field);
+               bt_field_destroy((void *) var_field);
+               var_field = NULL;
                goto end;
        }
 
@@ -456,7 +576,8 @@ struct bt_field *create_static_array_field(struct bt_field_class *fc)
        if (init_array_field_fields(array_field)) {
                BT_LIB_LOGE_APPEND_CAUSE("Cannot create static array fields: "
                        "%![fc-]+F", fc);
-               BT_OBJECT_PUT_REF_AND_RESET(array_field);
+               bt_field_destroy((void *) array_field);
+               array_field = NULL;
                goto end;
        }
 
@@ -484,7 +605,8 @@ struct bt_field *create_dynamic_array_field(struct bt_field_class *fc)
        if (init_array_field_fields(array_field)) {
                BT_LIB_LOGE_APPEND_CAUSE("Cannot create dynamic array fields: "
                        "%![fc-]+F", fc);
-               BT_OBJECT_PUT_REF_AND_RESET(array_field);
+               bt_field_destroy((void *) array_field);
+               array_field = NULL;
                goto end;
        }
 
@@ -494,6 +616,61 @@ end:
        return (void *) array_field;
 }
 
+bt_bool bt_field_bool_get_value(const struct bt_field *field)
+{
+       const struct bt_field_bool *bool_field = (const void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_BOOL,
+               "Field");
+       return (bt_bool) bool_field->value;
+}
+
+void bt_field_bool_set_value(struct bt_field *field, bt_bool value)
+{
+       struct bt_field_bool *bool_field = (void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_BOOL,
+               "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
+       bool_field->value = (bool) value;
+       bt_field_set_single(field, true);
+}
+
+uint64_t bt_field_bit_array_get_value_as_integer(const struct bt_field *field)
+{
+       const struct bt_field_bit_array *ba_field = (const void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
+               BT_FIELD_CLASS_TYPE_BIT_ARRAY, "Field");
+       return ba_field->value_as_int;
+}
+
+void bt_field_bit_array_set_value_as_integer(struct bt_field *field,
+               uint64_t value)
+{
+       struct bt_field_bit_array *ba_field = (void *) field;
+       struct bt_field_class_bit_array *ba_fc;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
+               BT_FIELD_CLASS_TYPE_BIT_ARRAY, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
+       ba_fc = (void *) field->class;
+       ba_field->value_as_int = value;
+
+       if (ba_fc->length < 64) {
+               /* Apply mask */
+               ba_field->value_as_int &= ((UINT64_C(1) << ba_fc->length) - 1);
+       }
+
+       bt_field_set_single(field, true);
+}
+
 int64_t bt_field_integer_signed_get_value(const struct bt_field *field)
 {
        const struct bt_field_integer *int_field = (const void *) field;
@@ -544,28 +721,53 @@ void bt_field_integer_unsigned_set_value(struct bt_field *field, uint64_t value)
        bt_field_set_single(field, true);
 }
 
-double bt_field_real_get_value(const struct bt_field *field)
+float bt_field_real_single_precision_get_value(const struct bt_field *field)
+{
+       const struct bt_field_real *real_field = (const void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
+               BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL, "Field");
+       return (float) real_field->value;
+}
+
+double bt_field_real_double_precision_get_value(const struct bt_field *field)
 {
        const struct bt_field_real *real_field = (const void *) field;
 
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
-       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_REAL, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
+               BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL, "Field");
+
        return real_field->value;
 }
 
-void bt_field_real_set_value(struct bt_field *field, double value)
+void bt_field_real_single_precision_set_value(struct bt_field *field,
+               float value)
 {
        struct bt_field_real *real_field = (void *) field;
 
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
-       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_REAL, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
+               BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL, "Field");
        BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
-       BT_ASSERT_PRE_DEV(
-               !((struct bt_field_class_real *) field->class)->is_single_precision ||
-               (double) (float) value == value,
-               "Invalid value for a single-precision real number: value=%f, "
-               "%![fc-]+F", value, field->class);
+
+       real_field->value = (double) value;
+       bt_field_set_single(field, true);
+}
+
+void bt_field_real_double_precision_set_value(struct bt_field *field,
+               double value)
+{
+       struct bt_field_real *real_field = (void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
+               BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
+
        real_field->value = value;
        bt_field_set_single(field, true);
 }
@@ -578,6 +780,7 @@ bt_field_enumeration_unsigned_get_mapping_labels(
 {
        const struct bt_field_integer *int_field = (const void *) field;
 
+       BT_ASSERT_PRE_DEV_NO_ERROR();
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Label array (output)");
        BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Count (output)");
@@ -597,6 +800,7 @@ bt_field_enumeration_signed_get_mapping_labels(
 {
        const struct bt_field_integer *int_field = (const void *) field;
 
+       BT_ASSERT_PRE_DEV_NO_ERROR();
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Label array (output)");
        BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Count (output)");
@@ -635,7 +839,7 @@ void clear_string_field(struct bt_field *field)
 {
        struct bt_field_string *string_field = (void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
        string_field->length = 0;
        bt_field_set_single(field, true);
 }
@@ -643,6 +847,7 @@ void clear_string_field(struct bt_field *field)
 enum bt_field_string_set_value_status bt_field_string_set_value(
                struct bt_field *field, const char *value)
 {
+       BT_ASSERT_PRE_DEV_NO_ERROR();
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_NON_NULL(value, "Value");
        BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
@@ -656,6 +861,8 @@ enum bt_field_string_set_value_status bt_field_string_set_value(
 enum bt_field_string_append_status bt_field_string_append(
                struct bt_field *field, const char *value)
 {
+       BT_ASSERT_PRE_DEV_NO_ERROR();
+
        return bt_field_string_append_with_length(field,
                value, (uint64_t) strlen(value));
 }
@@ -667,6 +874,7 @@ enum bt_field_string_append_status bt_field_string_append_with_length(
        char *data;
        uint64_t new_length;
 
+       BT_ASSERT_PRE_DEV_NO_ERROR();
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_NON_NULL(value, "Value");
        BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
@@ -716,9 +924,9 @@ enum bt_field_array_dynamic_set_length_status bt_field_array_dynamic_set_length(
        int ret = BT_FUNC_STATUS_OK;
        struct bt_field_array *array_field = (void *) field;
 
+       BT_ASSERT_PRE_DEV_NO_ERROR();
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
-       BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
-               BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_IS_DYNAMIC_ARRAY(field, "Field");
        BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
 
        if (G_UNLIKELY(length > array_field->fields->len)) {
@@ -744,7 +952,7 @@ enum bt_field_array_dynamic_set_length_status bt_field_array_dynamic_set_length(
                                goto end;
                        }
 
-                       BT_ASSERT(!array_field->fields->pdata[i]);
+                       BT_ASSERT_DBG(!array_field->fields->pdata[i]);
                        array_field->fields->pdata[i] = elem_field;
                }
        }
@@ -830,7 +1038,7 @@ struct bt_field *borrow_structure_field_member_field_by_name(
        }
 
        ret_field = struct_field->fields->pdata[GPOINTER_TO_UINT(index)];
-       BT_ASSERT(ret_field);
+       BT_ASSERT_DBG(ret_field);
 
 end:
        return ret_field;
@@ -849,6 +1057,36 @@ const struct bt_field *bt_field_structure_borrow_member_field_by_name_const(
                (void *) field, name);
 }
 
+void bt_field_option_set_has_field(struct bt_field *field, bt_bool has_field)
+{
+       struct bt_field_option *opt_field = (void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_IS_OPTION(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
+
+       if (has_field) {
+               opt_field->selected_field = opt_field->content_field;
+       } else {
+               opt_field->selected_field = NULL;
+       }
+}
+
+struct bt_field *bt_field_option_borrow_field(struct bt_field *field)
+{
+       struct bt_field_option *opt_field = (void *) field;
+
+       BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
+       BT_ASSERT_PRE_DEV_FIELD_IS_OPTION(field, "Field");
+       return opt_field->selected_field;
+}
+
+const struct bt_field *bt_field_option_borrow_field_const(
+               const struct bt_field *field)
+{
+       return (const void *) bt_field_option_borrow_field((void *) field);
+}
+
 static inline
 struct bt_field *borrow_variant_field_selected_option_field(
                struct bt_field *field)
@@ -881,7 +1119,7 @@ borrow_variant_field_selected_class_option(const struct bt_field *field)
        const struct bt_field_class_named_field_class_container *container_fc;
        const struct bt_field_variant *var_field = (const void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
        BT_ASSERT_PRE_DEV(var_field->selected_field,
                "Variant field has no selected field: %!+f", field);
        container_fc = (const void *) field->class;
@@ -889,7 +1127,7 @@ borrow_variant_field_selected_class_option(const struct bt_field *field)
 }
 
 const struct bt_field_class_variant_option *
-bt_field_variant_borrow_selected_class_option_const(
+bt_field_variant_borrow_selected_option_class_const(
                const struct bt_field *field)
 {
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
@@ -897,32 +1135,33 @@ bt_field_variant_borrow_selected_class_option_const(
        return borrow_variant_field_selected_class_option(field);
 }
 
-const struct bt_field_class_variant_with_selector_unsigned_option *
-bt_field_variant_with_unsigned_selector_borrow_selected_class_option_const(
+const struct bt_field_class_variant_with_selector_field_integer_unsigned_option *
+bt_field_variant_with_selector_field_integer_unsigned_borrow_selected_option_class_const(
                const struct bt_field *field)
 {
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
-               BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR, "Field");
+               BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD, "Field");
        return (const void *) borrow_variant_field_selected_class_option(field);
 }
 
-const struct bt_field_class_variant_with_selector_signed_option *
-bt_field_variant_with_signed_selector_borrow_selected_class_option_const(
+const struct bt_field_class_variant_with_selector_field_integer_signed_option *
+bt_field_variant_with_selector_field_integer_signed_borrow_selected_option_class_const(
                const struct bt_field *field)
 {
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
-               BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR, "Field");
+               BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD, "Field");
        return (const void *) borrow_variant_field_selected_class_option(field);
 }
 
-enum bt_field_variant_select_option_field_by_index_status
-bt_field_variant_select_option_field_by_index(
+enum bt_field_variant_select_option_by_index_status
+bt_field_variant_select_option_by_index(
                struct bt_field *field, uint64_t index)
 {
        struct bt_field_variant *var_field = (void *) field;
 
+       BT_ASSERT_PRE_DEV_NO_ERROR();
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
        BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT(field, "Field");
        BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
@@ -932,7 +1171,7 @@ bt_field_variant_select_option_field_by_index(
        return BT_FUNC_STATUS_OK;
 }
 
-uint64_t bt_field_variant_get_selected_option_field_index(
+uint64_t bt_field_variant_get_selected_option_index(
                const struct bt_field *field)
 {
        const struct bt_field_variant *var_field = (const void *) field;
@@ -952,6 +1191,24 @@ void bt_field_finalize(struct bt_field *field)
        BT_OBJECT_PUT_REF_AND_RESET(field->class);
 }
 
+static
+void destroy_bool_field(struct bt_field *field)
+{
+       BT_ASSERT(field);
+       BT_LIB_LOGD("Destroying boolean field object: %!+f", field);
+       bt_field_finalize(field);
+       g_free(field);
+}
+
+static
+void destroy_bit_array_field(struct bt_field *field)
+{
+       BT_ASSERT(field);
+       BT_LIB_LOGD("Destroying bit array field object: %!+f", field);
+       bt_field_finalize(field);
+       g_free(field);
+}
+
 static
 void destroy_integer_field(struct bt_field *field)
 {
@@ -987,6 +1244,22 @@ void destroy_structure_field(struct bt_field *field)
        g_free(field);
 }
 
+static
+void destroy_option_field(struct bt_field *field)
+{
+       struct bt_field_option *opt_field = (void *) field;
+
+       BT_ASSERT(field);
+       BT_LIB_LOGD("Destroying option field object: %!+f", field);
+       bt_field_finalize(field);
+
+       if (opt_field->content_field) {
+               bt_field_destroy(opt_field->content_field);
+       }
+
+       g_free(field);
+}
+
 static
 void destroy_variant_field(struct bt_field *field)
 {
@@ -1042,13 +1315,55 @@ BT_HIDDEN
 void bt_field_destroy(struct bt_field *field)
 {
        BT_ASSERT(field);
-       field_destroy_funcs[field->class->type](field);
+
+       switch (field->class->type) {
+       case BT_FIELD_CLASS_TYPE_BOOL:
+               destroy_bool_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
+               destroy_bit_array_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
+               destroy_integer_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
+       case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
+               destroy_real_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRING:
+               destroy_string_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRUCTURE:
+               destroy_structure_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD:
+               destroy_array_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               destroy_option_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               destroy_variant_field(field);
+               break;
+       default:
+               bt_common_abort();
+       }
 }
 
 static
 void reset_single_field(struct bt_field *field)
 {
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
        field->is_set = false;
 }
 
@@ -1058,20 +1373,30 @@ void reset_structure_field(struct bt_field *field)
        uint64_t i;
        struct bt_field_structure *struct_field = (void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
 
        for (i = 0; i < struct_field->fields->len; i++) {
                bt_field_reset(struct_field->fields->pdata[i]);
        }
 }
 
+static
+void reset_option_field(struct bt_field *field)
+{
+       struct bt_field_option *opt_field = (void *) field;
+
+       BT_ASSERT_DBG(opt_field);
+       bt_field_reset(opt_field->content_field);
+       opt_field->selected_field = NULL;
+}
+
 static
 void reset_variant_field(struct bt_field *field)
 {
        uint64_t i;
        struct bt_field_variant *var_field = (void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
 
        for (i = 0; i < var_field->fields->len; i++) {
                bt_field_reset(var_field->fields->pdata[i]);
@@ -1084,7 +1409,7 @@ void reset_array_field(struct bt_field *field)
        uint64_t i;
        struct bt_field_array *array_field = (void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
 
        for (i = 0; i < array_field->fields->len; i++) {
                bt_field_reset(array_field->fields->pdata[i]);
@@ -1112,12 +1437,23 @@ void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen)
                BT_LIB_LOGD("Setting structure field's member field's "
                        "frozen state: %![field-]+f, index=%" PRIu64,
                        member_field, i);
-               bt_field_set_is_frozen(member_field, is_frozen);
+               _bt_field_set_is_frozen(member_field, is_frozen);
        }
 
        set_single_field_is_frozen(field, is_frozen);
 }
 
+static
+void set_option_field_is_frozen(struct bt_field *field, bool is_frozen)
+{
+       struct bt_field_option *opt_field = (void *) field;
+
+       BT_LIB_LOGD("Setting option field's frozen state: "
+               "%![field-]+f, is-frozen=%d", field, is_frozen);
+       _bt_field_set_is_frozen(opt_field->content_field, is_frozen);
+       set_single_field_is_frozen(field, is_frozen);
+}
+
 static
 void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen)
 {
@@ -1133,7 +1469,7 @@ void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen)
                BT_LIB_LOGD("Setting variant field's option field's "
                        "frozen state: %![field-]+f, index=%" PRIu64,
                        option_field, i);
-               bt_field_set_is_frozen(option_field, is_frozen);
+               _bt_field_set_is_frozen(option_field, is_frozen);
        }
 
        set_single_field_is_frozen(field, is_frozen);
@@ -1154,7 +1490,7 @@ void set_array_field_is_frozen(struct bt_field *field, bool is_frozen)
                BT_LIB_LOGD("Setting array field's element field's "
                        "frozen state: %![field-]+f, index=%" PRIu64,
                        elem_field, i);
-               bt_field_set_is_frozen(elem_field, is_frozen);
+               _bt_field_set_is_frozen(elem_field, is_frozen);
        }
 
        set_single_field_is_frozen(field, is_frozen);
@@ -1164,17 +1500,17 @@ BT_HIDDEN
 void _bt_field_set_is_frozen(const struct bt_field *field,
                bool is_frozen)
 {
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
        BT_LIB_LOGD("Setting field object's frozen state: %!+f, is-frozen=%d",
                field, is_frozen);
-       BT_ASSERT(field->methods->set_is_frozen);
+       BT_ASSERT_DBG(field->methods->set_is_frozen);
        field->methods->set_is_frozen((void *) field, is_frozen);
 }
 
 static
 bool single_field_is_set(const struct bt_field *field)
 {
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
        return field->is_set;
 }
 
@@ -1185,7 +1521,7 @@ bool structure_field_is_set(const struct bt_field *field)
        uint64_t i;
        const struct bt_field_structure *struct_field = (const void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
 
        for (i = 0; i < struct_field->fields->len; i++) {
                is_set = bt_field_is_set(struct_field->fields->pdata[i]);
@@ -1198,13 +1534,28 @@ end:
        return is_set;
 }
 
+static
+bool option_field_is_set(const struct bt_field *field)
+{
+       const struct bt_field_option *opt_field = (const void *) field;
+       bool is_set = false;
+
+       BT_ASSERT_DBG(field);
+
+       if (opt_field->selected_field) {
+               is_set = bt_field_is_set(opt_field->selected_field);
+       }
+
+       return is_set;
+}
+
 static
 bool variant_field_is_set(const struct bt_field *field)
 {
        const struct bt_field_variant *var_field = (const void *) field;
        bool is_set = false;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
 
        if (var_field->selected_field) {
                is_set = bt_field_is_set(var_field->selected_field);
@@ -1220,7 +1571,7 @@ bool array_field_is_set(const struct bt_field *field)
        uint64_t i;
        const struct bt_field_array *array_field = (const void *) field;
 
-       BT_ASSERT(field);
+       BT_ASSERT_DBG(field);
 
        for (i = 0; i < array_field->length; i++) {
                is_set = bt_field_is_set(array_field->fields->pdata[i]);
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