#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/types.h>
#include <stdint.h>
+#include <string.h>
#include <inttypes.h>
#include <stdbool.h>
#include <glib.h>
-#define BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(_field, _type_id, _name) \
- BT_ASSERT_PRE((_field)->type->id == (_type_id), \
+#define BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(_field, _type_id, _name) \
+ BT_ASSERT_PRE(((struct bt_field *) (_field))->type->id == (_type_id), \
_name " has the wrong type ID: expected-type-id=%s, " \
- "%![field-]+_f", bt_common_field_type_id_string(_type_id), \
+ "%![field-]+f", \
+ bt_common_field_type_id_string(_type_id), (_field))
+
+#define BT_ASSERT_PRE_FIELD_IS_UNSIGNED_INT(_field, _name) \
+ BT_ASSERT_PRE( \
+ ((struct bt_field *) (_field))->type->id == BT_FIELD_TYPE_ID_UNSIGNED_INTEGER || \
+ ((struct bt_field *) (_field))->type->id == BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION, \
+ _name " is not an unsigned integer field: %![field-]+f", \
(_field))
-#define BT_ASSERT_PRE_FIELD_COMMON_IS_SET(_field, _name) \
- BT_ASSERT_PRE(bt_field_common_is_set_recursive(_field), \
- _name " is not set: %!+_f", (_field))
+#define BT_ASSERT_PRE_FIELD_IS_SIGNED_INT(_field, _name) \
+ BT_ASSERT_PRE( \
+ ((struct bt_field *) (_field))->type->id == BT_FIELD_TYPE_ID_SIGNED_INTEGER || \
+ ((struct bt_field *) (_field))->type->id == BT_FIELD_TYPE_ID_SIGNED_ENUMERATION, \
+ _name " is not a signed integer field: %![field-]+f", \
+ (_field))
+
+#define BT_ASSERT_PRE_FIELD_IS_ARRAY(_field, _name) \
+ BT_ASSERT_PRE( \
+ ((struct bt_field *) (_field))->type->id == BT_FIELD_TYPE_ID_STATIC_ARRAY || \
+ ((struct bt_field *) (_field))->type->id == BT_FIELD_TYPE_ID_DYNAMIC_ARRAY, \
+ _name " is not an array field: %![field-]+f", (_field))
+
+#define BT_ASSERT_PRE_FIELD_IS_SET(_field, _name) \
+ BT_ASSERT_PRE(bt_field_is_set(_field), \
+ _name " is not set: %!+f", (_field))
-#define BT_ASSERT_PRE_FIELD_COMMON_HOT(_field, _name) \
- BT_ASSERT_PRE_HOT((_field), (_name), ": +%!+_f", (_field))
+#define BT_ASSERT_PRE_FIELD_HOT(_field, _name) \
+ BT_ASSERT_PRE_HOT((struct bt_field *) (_field), (_name), \
+ ": %!+f", (_field))
struct bt_field;
-struct bt_field_common;
-typedef void (*bt_field_common_method_freeze)(struct bt_field_common *);
-typedef int (*bt_field_common_method_validate)(struct bt_field_common *);
-typedef struct bt_field_common *(*bt_field_common_method_copy)(
- struct bt_field_common *);
-typedef bt_bool (*bt_field_common_method_is_set)(struct bt_field_common *);
-typedef void (*bt_field_common_method_reset)(struct bt_field_common *);
+typedef struct bt_field *(* bt_field_create_func)(struct bt_field_type *);
+typedef void (*bt_field_method_set_is_frozen)(struct bt_field *, bool);
+typedef bool (*bt_field_method_is_set)(struct bt_field *);
+typedef void (*bt_field_method_reset)(struct bt_field *);
-struct bt_field_common_methods {
- bt_field_common_method_freeze freeze;
- bt_field_common_method_validate validate;
- bt_field_common_method_copy copy;
- bt_field_common_method_is_set is_set;
- bt_field_common_method_reset reset;
+struct bt_field_methods {
+ bt_field_method_set_is_frozen set_is_frozen;
+ bt_field_method_is_set is_set;
+ bt_field_method_reset reset;
};
-struct bt_field_common {
+struct bt_field {
struct bt_object base;
- struct bt_field_type_common *type;
- struct bt_field_common_methods *methods;
- bool payload_set;
- bool frozen;
- /*
- * Specialized data for either CTF IR or CTF writer APIs.
- * See comment in `field-types-internal.h` for more details.
- */
- union {
- struct {
- } ir;
- struct {
- void *serialize_func;
- } writer;
- } spec;
-};
+ /* Owned by this */
+ struct bt_field_type *type;
-struct bt_field_common_integer {
- struct bt_field_common common;
- union {
- int64_t signd;
- uint64_t unsignd;
- } payload;
-};
+ /* Virtual table for slow path (dev mode) operations */
+ struct bt_field_methods *methods;
-struct bt_field_common_enumeration {
- struct bt_field_common common;
- struct bt_field_common *payload;
+ bool is_set;
+ bool frozen;
};
-struct bt_field_common_floating_point {
- struct bt_field_common common;
- double payload;
-};
+struct bt_field_integer {
+ struct bt_field common;
-struct bt_field_common_structure {
- struct bt_field_common common;
- GPtrArray *fields; /* Array of pointers to struct bt_field_common */
-};
-
-struct bt_field_common_variant {
- struct bt_field_common common;
- struct bt_field_common *tag;
- struct bt_field_common *payload;
+ union {
+ uint64_t u;
+ int64_t i;
+ } value;
};
-struct bt_field_common_array {
- struct bt_field_common common;
- GPtrArray *elements; /* Array of pointers to struct bt_field_common */
+struct bt_field_real {
+ struct bt_field common;
+ double value;
};
-struct bt_field_common_sequence {
- struct bt_field_common common;
- struct bt_field_common *length;
- GPtrArray *elements; /* Array of pointers to struct bt_field_common */
-};
+struct bt_field_structure {
+ struct bt_field common;
-struct bt_field_common_string {
- struct bt_field_common common;
- GString *payload;
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *fields;
};
-static inline
-struct bt_field_type *bt_field_borrow_type(struct bt_field *field)
-{
- struct bt_field_common *field_common = (void *) field;
-
- BT_ASSERT(field);
- return (void *) field_common->type;
-}
-
-BT_HIDDEN
-int64_t bt_field_sequence_get_int_length(struct bt_field *field);
-
-BT_HIDDEN
-struct bt_field_common *bt_field_common_copy(struct bt_field_common *field);
-
-BT_HIDDEN
-int bt_field_common_structure_initialize(struct bt_field_common *field,
- struct bt_field_type_common *type,
- bt_object_release_func release_func,
- struct bt_field_common_methods *methods,
- bt_field_common_create_func field_create_func);
-
-BT_HIDDEN
-int bt_field_common_array_initialize(struct bt_field_common *field,
- struct bt_field_type_common *type,
- bt_object_release_func release_func,
- struct bt_field_common_methods *methods);
-
-BT_HIDDEN
-int bt_field_common_generic_validate(struct bt_field_common *field);
-
-BT_HIDDEN
-int bt_field_common_enumeration_validate_recursive(
- struct bt_field_common *field);
-
-BT_HIDDEN
-int bt_field_common_structure_validate_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-int bt_field_common_variant_validate_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-int bt_field_common_array_validate_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-int bt_field_common_sequence_validate_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_generic_reset(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_enumeration_reset_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_structure_reset_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_variant_reset_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_array_reset_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_sequence_reset_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_string_reset(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_generic_freeze(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_enumeration_freeze_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_structure_freeze_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_variant_freeze_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_array_freeze_recursive(struct bt_field_common *field);
+struct bt_field_variant {
+ struct bt_field common;
-BT_HIDDEN
-void bt_field_common_sequence_freeze_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void _bt_field_common_freeze_recursive(struct bt_field_common *field);
+ /* Weak: belongs to `fields` below */
+ struct bt_field *selected_field;
-BT_HIDDEN
-bt_bool bt_field_common_generic_is_set(struct bt_field_common *field);
-
-BT_HIDDEN
-bt_bool bt_field_common_enumeration_is_set_recursive(
- struct bt_field_common *field);
+ /* Index of currently selected field */
+ uint64_t selected_index;
-BT_HIDDEN
-bt_bool bt_field_common_structure_is_set_recursive(
- struct bt_field_common *field);
-
-BT_HIDDEN
-bt_bool bt_field_common_variant_is_set_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-bt_bool bt_field_common_array_is_set_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-bt_bool bt_field_common_sequence_is_set_recursive(struct bt_field_common *field);
-
-BT_HIDDEN
-void bt_field_common_integer_destroy(struct bt_object *obj);
-
-BT_HIDDEN
-void bt_field_common_enumeration_destroy_recursive(struct bt_object *obj);
-
-BT_HIDDEN
-void bt_field_common_floating_point_destroy(struct bt_object *obj);
-
-BT_HIDDEN
-void bt_field_common_structure_destroy_recursive(struct bt_object *obj);
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *fields;
+};
-BT_HIDDEN
-void bt_field_common_variant_destroy_recursive(struct bt_object *obj);
+struct bt_field_array {
+ struct bt_field common;
-BT_HIDDEN
-void bt_field_common_array_destroy_recursive(struct bt_object *obj);
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *fields;
-BT_HIDDEN
-void bt_field_common_sequence_destroy_recursive(struct bt_object *obj);
+ /* Current effective length */
+ uint64_t length;
+};
-BT_HIDDEN
-void bt_field_common_string_destroy(struct bt_object *obj);
+struct bt_field_string {
+ struct bt_field common;
+ GArray *buf;
+ uint64_t length;
+};
#ifdef BT_DEV_MODE
-# define bt_field_common_validate_recursive _bt_field_common_validate_recursive
-# define bt_field_common_freeze_recursive _bt_field_common_freeze_recursive
-# define bt_field_common_is_set_recursive _bt_field_common_is_set_recursive
-# define bt_field_common_reset_recursive _bt_field_common_reset_recursive
-# define bt_field_common_set _bt_field_common_set
-# define bt_field_validate_recursive _bt_field_validate_recursive
-# define bt_field_freeze_recursive _bt_field_freeze_recursive
-# define bt_field_is_set_recursive _bt_field_is_set_recursive
-# define bt_field_reset_recursive _bt_field_reset_recursive
-# define bt_field_set _bt_field_set
+# define bt_field_set_is_frozen _bt_field_set_is_frozen
+# define bt_field_is_set _bt_field_is_set
+# define bt_field_reset _bt_field_reset
+# define bt_field_set_single _bt_field_set_single
#else
-# define bt_field_common_validate_recursive(_field) (-1)
-# define bt_field_common_freeze_recursive(_field)
-# define bt_field_common_is_set_recursive(_field) (BT_FALSE)
-# define bt_field_common_reset_recursive(_field) (BT_TRUE)
-# define bt_field_common_set(_field, _val)
-# define bt_field_validate_recursive(_field) (-1)
-# define bt_field_freeze_recursive(_field)
-# define bt_field_is_set_recursive(_field) (BT_FALSE)
-# define bt_field_reset_recursive(_field) (BT_TRUE)
-# define bt_field_set(_field, _val)
+# define bt_field_set_is_frozen(_field, _is_frozen)
+# define bt_field_is_set(_field) (BT_FALSE)
+# define bt_field_reset(_field)
+# define bt_field_set_single(_field, _val)
#endif
-BT_ASSERT_FUNC
-static inline bool field_type_common_has_known_id(
- struct bt_field_type_common *ft)
-{
- return ft->id > BT_FIELD_TYPE_ID_UNKNOWN ||
- ft->id < BT_FIELD_TYPE_ID_NR;
-}
-
-static inline
-int _bt_field_common_validate_recursive(struct bt_field_common *field)
-{
- int ret = 0;
-
- if (!field) {
- BT_ASSERT_PRE_MSG("%s", "Invalid field: field is NULL.");
- ret = -1;
- goto end;
- }
-
- BT_ASSERT(field_type_common_has_known_id(field->type));
-
- if (field->methods->validate) {
- ret = field->methods->validate(field);
- }
-
-end:
- return ret;
-}
+BT_HIDDEN
+void _bt_field_set_is_frozen(struct bt_field *field, bool is_frozen);
static inline
-void _bt_field_common_reset_recursive(struct bt_field_common *field)
+void _bt_field_reset(struct bt_field *field)
{
BT_ASSERT(field);
BT_ASSERT(field->methods->reset);
}
static inline
-void _bt_field_common_set(struct bt_field_common *field, bool value)
+void _bt_field_set_single(struct bt_field *field, bool value)
{
BT_ASSERT(field);
- field->payload_set = value;
+ field->is_set = value;
}
static inline
-bt_bool _bt_field_common_is_set_recursive(struct bt_field_common *field)
+bt_bool _bt_field_is_set(struct bt_field *field)
{
bt_bool is_set = BT_FALSE;
goto end;
}
- BT_ASSERT(field_type_common_has_known_id(field->type));
+ BT_ASSERT(bt_field_type_has_known_id(field->type));
BT_ASSERT(field->methods->is_set);
is_set = field->methods->is_set(field);
return is_set;
}
-static inline
-void bt_field_common_initialize(struct bt_field_common *field,
- struct bt_field_type_common *ft,
- bt_object_release_func release_func,
- struct bt_field_common_methods *methods)
-{
- BT_ASSERT(field);
- BT_ASSERT(ft);
- bt_object_init(field, release_func);
- field->methods = methods;
- field->type = bt_get(ft);
-}
-
-static inline
-struct bt_field_type_common *bt_field_common_get_type(
- struct bt_field_common *field)
-{
- struct bt_field_type_common *ret = NULL;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- ret = bt_get(field->type);
- return ret;
-}
-
-static inline
-int64_t bt_field_common_sequence_get_int_length(struct bt_field_common *field)
-{
- struct bt_field_common_sequence *sequence = BT_FROM_COMMON(field);
- int64_t ret;
-
- BT_ASSERT(field);
- BT_ASSERT(field->type->id == BT_FIELD_TYPE_ID_SEQUENCE);
- if (!sequence->length) {
- ret = -1;
- goto end;
- }
-
- ret = (int64_t) sequence->elements->len;
-
-end:
- return ret;
-}
-
-static inline
-struct bt_field_common *bt_field_common_sequence_get_length(
- struct bt_field_common *field)
-{
- struct bt_field_common_sequence *sequence = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Sequence field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_SEQUENCE,
- "Field");
- return bt_get(sequence->length);
-}
-
-static inline
-int bt_field_common_sequence_set_length(struct bt_field_common *field,
- struct bt_field_common *length_field)
-{
- int ret = 0;
- struct bt_field_common_integer *length = BT_FROM_COMMON(length_field);
- struct bt_field_common_sequence *sequence = BT_FROM_COMMON(field);
- uint64_t sequence_length;
-
- BT_ASSERT_PRE_NON_NULL(field, "Sequence field");
- BT_ASSERT_PRE_NON_NULL(length_field, "Length field");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Sequence field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(length_field,
- BT_FIELD_TYPE_ID_INTEGER, "Length field");
- BT_ASSERT_PRE(
- !bt_field_type_common_integer_is_signed(length->common.type),
- "Length field's type is signed: %!+_f", length_field);
- BT_ASSERT_PRE_FIELD_COMMON_IS_SET(length_field, "Length field");
- sequence_length = length->payload.unsignd;
- if (sequence->elements) {
- g_ptr_array_free(sequence->elements, TRUE);
- bt_put(sequence->length);
- }
-
- sequence->elements = g_ptr_array_sized_new((size_t) sequence_length);
- if (!sequence->elements) {
- BT_LOGE_STR("Failed to allocate a GPtrArray.");
- ret = -1;
- goto end;
- }
-
- g_ptr_array_set_free_func(sequence->elements,
- (GDestroyNotify) bt_put);
- g_ptr_array_set_size(sequence->elements, (size_t) sequence_length);
- bt_get(length_field);
- sequence->length = length_field;
- bt_field_common_freeze_recursive(length_field);
-
-end:
- return ret;
-}
-
-static inline
-struct bt_field_common *bt_field_common_structure_get_field_by_name(
- struct bt_field_common *field, const char *name)
-{
- struct bt_field_common *ret = NULL;
- GQuark field_quark;
- struct bt_field_type_common_structure *structure_ft;
- struct bt_field_common_structure *structure = BT_FROM_COMMON(field);
- size_t index;
- GHashTable *field_name_to_index;
-
- BT_ASSERT_PRE_NON_NULL(field, "Structure field");
- BT_ASSERT_PRE_NON_NULL(name, "Field name");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRUCT, "Field");
- structure_ft = BT_FROM_COMMON(field->type);
- field_name_to_index = structure_ft->field_name_to_index;
- field_quark = g_quark_from_string(name);
- if (!g_hash_table_lookup_extended(field_name_to_index,
- GUINT_TO_POINTER(field_quark),
- NULL, (gpointer *) &index)) {
- BT_LOGV("Invalid parameter: no such field in structure field's type: "
- "struct-field-addr=%p, struct-ft-addr=%p, name=\"%s\"",
- field, field->type, name);
- goto error;
- }
-
- ret = bt_get(structure->fields->pdata[index]);
- BT_ASSERT(ret);
-
-error:
- return ret;
-}
-
-static inline
-struct bt_field_common *bt_field_common_structure_get_field_by_index(
- struct bt_field_common *field, uint64_t index)
-{
- struct bt_field_common_structure *structure = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Structure field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRUCT, "Field");
- BT_ASSERT_PRE(index < structure->fields->len,
- "Index is out of bound: %![struct-field-]+_f, "
- "index=%" PRIu64 ", count=%u", field, index,
- structure->fields->len);
- return bt_get(structure->fields->pdata[index]);
-}
-
-BT_ASSERT_PRE_FUNC
-static inline bool field_to_set_has_expected_type(
- struct bt_field_common *struct_field,
- const char *name, struct bt_field_common *value)
-{
- bool ret = true;
- struct bt_field_type_common *expected_field_type = NULL;
-
- expected_field_type =
- bt_field_type_common_structure_get_field_type_by_name(
- struct_field->type, name);
-
- if (bt_field_type_common_compare(expected_field_type, value->type)) {
- BT_ASSERT_PRE_MSG("Value field's type is different from the expected field type: "
- "%![value-ft-]+_F, %![expected-ft-]+_F", value->type,
- expected_field_type);
- ret = false;
- goto end;
- }
-
-end:
- bt_put(expected_field_type);
- return ret;
-}
-
-static inline
-int bt_field_common_structure_set_field_by_name(struct bt_field_common *field,
- const char *name, struct bt_field_common *value)
-{
- int ret = 0;
- GQuark field_quark;
- struct bt_field_common_structure *structure = BT_FROM_COMMON(field);
- size_t index;
- GHashTable *field_name_to_index;
- struct bt_field_type_common_structure *structure_ft;
-
- BT_ASSERT_PRE_NON_NULL(field, "Structure field");
- BT_ASSERT_PRE_NON_NULL(name, "Field name");
- BT_ASSERT_PRE_NON_NULL(value, "Value field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_STRUCT,
- "Parent field");
- BT_ASSERT_PRE(field_to_set_has_expected_type(field, name, value),
- "Value field's type is different from the expected field type.");
- field_quark = g_quark_from_string(name);
- structure_ft = BT_FROM_COMMON(field->type);
- field_name_to_index = structure_ft->field_name_to_index;
- if (!g_hash_table_lookup_extended(field_name_to_index,
- GUINT_TO_POINTER(field_quark), NULL,
- (gpointer *) &index)) {
- BT_LOGV("Invalid parameter: no such field in structure field's type: "
- "struct-field-addr=%p, struct-ft-addr=%p, "
- "field-ft-addr=%p, name=\"%s\"",
- field, field->type, value->type, name);
- ret = -1;
- goto end;
- }
- bt_get(value);
- BT_MOVE(structure->fields->pdata[index], value);
-
-end:
- return ret;
-}
-
-static inline
-struct bt_field_common *bt_field_common_array_get_field(
- struct bt_field_common *field, uint64_t index,
- bt_field_common_create_func field_create_func)
-{
- struct bt_field_common *new_field = NULL;
- struct bt_field_type_common *field_type = NULL;
- struct bt_field_common_array *array = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Array field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_ARRAY, "Field");
- BT_ASSERT_PRE(index < array->elements->len,
- "Index is out of bound: %![array-field-]+_f, "
- "index=%" PRIu64 ", count=%u", field,
- index, array->elements->len);
-
- field_type = bt_field_type_common_array_get_element_field_type(
- field->type);
- if (array->elements->pdata[(size_t) index]) {
- new_field = array->elements->pdata[(size_t) index];
- goto end;
- }
-
- /* We don't want to modify this field if it's frozen */
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Array field");
- new_field = field_create_func(field_type);
- array->elements->pdata[(size_t) index] = new_field;
-
-end:
- bt_put(field_type);
- bt_get(new_field);
- return new_field;
-}
-
-static inline
-struct bt_field_common *bt_field_common_sequence_get_field(
- struct bt_field_common *field, uint64_t index,
- bt_field_common_create_func field_create_func)
-{
- struct bt_field_common *new_field = NULL;
- struct bt_field_type_common *field_type = NULL;
- struct bt_field_common_sequence *sequence = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Sequence field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_SEQUENCE,
- "Field");
- BT_ASSERT_PRE_NON_NULL(sequence->elements, "Sequence field's element array");
- BT_ASSERT_PRE(index < sequence->elements->len,
- "Index is out of bound: %![seq-field-]+_f, "
- "index=%" PRIu64 ", count=%u", field, index,
- sequence->elements->len);
- field_type = bt_field_type_common_sequence_get_element_field_type(
- field->type);
- if (sequence->elements->pdata[(size_t) index]) {
- new_field = sequence->elements->pdata[(size_t) index];
- goto end;
- }
-
- /* We don't want to modify this field if it's frozen */
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Sequence field");
- new_field = field_create_func(field_type);
- sequence->elements->pdata[(size_t) index] = new_field;
-
-end:
- bt_put(field_type);
- bt_get(new_field);
- return new_field;
-}
-
-static inline
-struct bt_field_common *bt_field_common_enumeration_get_container(
- struct bt_field_common *field,
- bt_field_common_create_func field_create_func)
-{
- struct bt_field_common_enumeration *enumeration = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Enumeration field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_ENUM, "Field");
-
- if (!enumeration->payload) {
- struct bt_field_type_common_enumeration *enumeration_type;
-
- /* We don't want to modify this field if it's frozen */
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Enumeration field");
-
- enumeration_type = BT_FROM_COMMON(field->type);
- enumeration->payload =
- field_create_func(
- BT_TO_COMMON(enumeration_type->container_ft));
- }
-
- return bt_get(enumeration->payload);
-}
-
-static inline
-struct bt_field_common *bt_field_common_variant_get_field(
- struct bt_field_common *field,
- struct bt_field_common *tag_field,
- bt_field_common_create_func field_create_func)
-{
- struct bt_field_common *new_field = NULL;
- struct bt_field_common_variant *variant = BT_FROM_COMMON(field);
- struct bt_field_type_common_variant *variant_type;
- struct bt_field_type_common *field_type;
- struct bt_field_common *tag_enum = NULL;
- struct bt_field_common_integer *tag_enum_integer =
- BT_FROM_COMMON(field);
- int64_t tag_enum_value;
-
- BT_ASSERT_PRE_NON_NULL(field, "Variant field");
- BT_ASSERT_PRE_NON_NULL(tag_field, "Tag field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_VARIANT,
- "Variant field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(tag_field, BT_FIELD_TYPE_ID_ENUM,
- "Tag field");
- variant_type = BT_FROM_COMMON(field->type);
- tag_enum = bt_field_common_enumeration_get_container(tag_field,
- field_create_func);
- BT_ASSERT_PRE_NON_NULL(tag_enum, "Tag field's container");
- tag_enum_integer = BT_FROM_COMMON(tag_enum);
- BT_ASSERT_PRE(bt_field_common_validate_recursive(tag_field) == 0,
- "Tag field is invalid: %!+_f", tag_field);
- tag_enum_value = tag_enum_integer->payload.signd;
-
- /*
- * If the variant currently has a tag and a payload, and if the
- * requested tag value is the same as the current one, return
- * the current payload instead of creating a fresh one.
- */
- if (variant->tag && variant->payload) {
- struct bt_field_common *cur_tag_container = NULL;
- struct bt_field_common_integer *cur_tag_enum_integer;
- int64_t cur_tag_value;
-
- cur_tag_container =
- bt_field_common_enumeration_get_container(variant->tag,
- field_create_func);
- BT_ASSERT(cur_tag_container);
- cur_tag_enum_integer = BT_FROM_COMMON(cur_tag_container);
- bt_put(cur_tag_container);
- cur_tag_value = cur_tag_enum_integer->payload.signd;
-
- if (cur_tag_value == tag_enum_value) {
- new_field = variant->payload;
- bt_get(new_field);
- goto end;
- }
- }
-
- /* We don't want to modify this field if it's frozen */
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Variant field");
- field_type = bt_field_type_common_variant_get_field_type_signed(
- variant_type, tag_enum_value);
-
- /* It's the caller's job to make sure the tag's value is valid */
- BT_ASSERT_PRE(field_type,
- "Variant field's type does not contain a field type for "
- "this tag value: tag-value-signed=%" PRId64 ", "
- "%![var-ft-]+_F, %![tag-field-]+_f", tag_enum_value,
- variant_type, tag_field);
-
- new_field = field_create_func(field_type);
- if (!new_field) {
- BT_LOGW("Cannot create field: "
- "variant-field-addr=%p, variant-ft-addr=%p, "
- "field-ft-addr=%p", field, field->type, field_type);
- goto end;
- }
-
- bt_put(variant->tag);
- bt_put(variant->payload);
- bt_get(new_field);
- bt_get(tag_field);
- variant->tag = tag_field;
- variant->payload = new_field;
-
-end:
- bt_put(tag_enum);
- return new_field;
-}
-
-static inline
-struct bt_field_common *bt_field_common_variant_get_current_field(
- struct bt_field_common *variant_field)
-{
- struct bt_field_common_variant *variant = BT_FROM_COMMON(variant_field);
-
- BT_ASSERT_PRE_NON_NULL(variant_field, "Variant field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(variant_field,
- BT_FIELD_TYPE_ID_VARIANT, "Field");
- return bt_get(variant->payload);
-}
-
-static inline
-struct bt_field_common *bt_field_common_variant_get_tag(
- struct bt_field_common *variant_field)
-{
- struct bt_field_common_variant *variant = BT_FROM_COMMON(variant_field);
-
- BT_ASSERT_PRE_NON_NULL(variant_field, "Variant field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(variant_field,
- BT_FIELD_TYPE_ID_VARIANT, "Field");
- return bt_get(variant->tag);
-}
-
-static inline
-int bt_field_common_integer_signed_get_value(struct bt_field_common *field,
- int64_t *value)
-{
- struct bt_field_common_integer *integer = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Integer field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_COMMON_IS_SET(field, "Integer field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_INTEGER, "Field");
- BT_ASSERT_PRE(bt_field_type_common_integer_is_signed(field->type),
- "Field's type is unsigned: %!+_f", field);
- *value = integer->payload.signd;
- return 0;
-}
-
-BT_ASSERT_PRE_FUNC
-static inline bool value_is_in_range_signed(unsigned int size, int64_t value)
-{
- bool ret = true;
- int64_t min_value, max_value;
-
- min_value = -(1ULL << (size - 1));
- max_value = (1ULL << (size - 1)) - 1;
- if (value < min_value || value > max_value) {
- BT_LOGF("Value is out of bounds: value=%" PRId64 ", "
- "min-value=%" PRId64 ", max-value=%" PRId64,
- value, min_value, max_value);
- ret = false;
- }
-
- return ret;
-}
-
-static inline
-int bt_field_common_integer_signed_set_value(struct bt_field_common *field,
- int64_t value)
-{
- int ret = 0;
- struct bt_field_common_integer *integer = BT_FROM_COMMON(field);
- struct bt_field_type_common_integer *integer_type;
-
- BT_ASSERT_PRE_NON_NULL(field, "Integer field");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Integer field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_INTEGER, "Field");
- integer_type = BT_FROM_COMMON(field->type);
- BT_ASSERT_PRE(bt_field_type_common_integer_is_signed(field->type),
- "Field's type is unsigned: %!+_f", field);
- BT_ASSERT_PRE(value_is_in_range_signed(integer_type->size, value),
- "Value is out of bounds: value=%" PRId64 ", %![field-]+_f",
- value, field);
- integer->payload.signd = value;
- bt_field_common_set(field, true);
- return ret;
-}
-
-static inline
-int bt_field_common_integer_unsigned_get_value(struct bt_field_common *field,
- uint64_t *value)
-{
- struct bt_field_common_integer *integer = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Integer field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_COMMON_IS_SET(field, "Integer field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_INTEGER, "Field");
- BT_ASSERT_PRE(!bt_field_type_common_integer_is_signed(field->type),
- "Field's type is signed: %!+_f", field);
- *value = integer->payload.unsignd;
- return 0;
-}
-
-BT_ASSERT_PRE_FUNC
-static inline bool value_is_in_range_unsigned(unsigned int size, uint64_t value)
-{
- bool ret = true;
- int64_t max_value;
-
- max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1;
- if (value > max_value) {
- BT_LOGF("Value is out of bounds: value=%" PRIu64 ", "
- "max-value=%" PRIu64,
- value, max_value);
- ret = false;
- }
-
- return ret;
-}
-
-static inline
-int bt_field_common_integer_unsigned_set_value(struct bt_field_common *field,
- uint64_t value)
-{
- struct bt_field_common_integer *integer = BT_FROM_COMMON(field);
- struct bt_field_type_common_integer *integer_type;
-
- BT_ASSERT_PRE_NON_NULL(field, "Integer field");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Integer field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_INTEGER, "Field");
- integer_type = BT_FROM_COMMON(field->type);
- BT_ASSERT_PRE(!bt_field_type_common_integer_is_signed(field->type),
- "Field's type is signed: %!+_f", field);
- BT_ASSERT_PRE(value_is_in_range_unsigned(integer_type->size, value),
- "Value is out of bounds: value=%" PRIu64 ", %![field-]+_f",
- value, field);
- integer->payload.unsignd = value;
- bt_field_common_set(field, true);
- return 0;
-}
-
-static inline
-struct bt_field_type_enumeration_mapping_iterator *
-bt_field_common_enumeration_get_mappings(struct bt_field_common *field,
- bt_field_common_create_func field_create_func)
-{
- int ret;
- struct bt_field_common *container = NULL;
- struct bt_field_type_common_integer *integer_type = NULL;
- struct bt_field_type_enumeration_mapping_iterator *iter = NULL;
-
- BT_ASSERT_PRE_NON_NULL(field, "Enumeration field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_ENUM, "Field");
- container = bt_field_common_enumeration_get_container(field,
- field_create_func);
- BT_ASSERT_PRE(container,
- "Enumeration field has no container field: %!+_f", field);
- BT_ASSERT(container->type);
- integer_type = BT_FROM_COMMON(container->type);
- BT_ASSERT_PRE_FIELD_COMMON_IS_SET(container,
- "Enumeration field's payload field");
-
- if (!integer_type->is_signed) {
- uint64_t value;
-
- ret = bt_field_common_integer_unsigned_get_value(container,
- &value);
- BT_ASSERT(ret == 0);
- iter = bt_field_type_common_enumeration_unsigned_find_mappings_by_value(
- field->type, value);
- } else {
- int64_t value;
-
- ret = bt_field_common_integer_signed_get_value(container, &value);
- BT_ASSERT(ret == 0);
- iter = bt_field_type_common_enumeration_signed_find_mappings_by_value(
- field->type, value);
- }
-
- bt_put(container);
- return iter;
-}
-
-static inline
-int bt_field_common_floating_point_get_value(struct bt_field_common *field,
- double *value)
-{
- struct bt_field_common_floating_point *floating_point =
- BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Floating point number field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_COMMON_IS_SET(field, "Floating point number field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_FLOAT, "Field");
- *value = floating_point->payload;
- return 0;
-}
-
-static inline
-int bt_field_common_floating_point_set_value(struct bt_field_common *field,
- double value)
-{
- struct bt_field_common_floating_point *floating_point =
- BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "Floating point number field");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "Floating point number field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_FLOAT, "Field");
- floating_point->payload = value;
- bt_field_common_set(field, true);
- return 0;
-}
-
-static inline
-const char *bt_field_common_string_get_value(struct bt_field_common *field)
-{
- struct bt_field_common_string *string = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "String field");
- BT_ASSERT_PRE_FIELD_COMMON_IS_SET(field, "String field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRING, "Field");
- return string->payload->str;
-}
-
-static inline
-int bt_field_common_string_set_value(struct bt_field_common *field,
- const char *value)
-{
- struct bt_field_common_string *string = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "String field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "String field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRING, "Field");
-
- if (string->payload) {
- g_string_assign(string->payload, value);
- } else {
- string->payload = g_string_new(value);
- }
-
- bt_field_common_set(field, true);
- return 0;
-}
-
-static inline
-int bt_field_common_string_append(struct bt_field_common *field,
- const char *value)
-{
- struct bt_field_common_string *string_field = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "String field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "String field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRING, "Field");
-
- if (string_field->payload) {
- g_string_append(string_field->payload, value);
- } else {
- string_field->payload = g_string_new(value);
- }
-
- bt_field_common_set(field, true);
- return 0;
-}
-
-static inline
-int bt_field_common_string_append_len(struct bt_field_common *field,
- const char *value, unsigned int length)
-{
- struct bt_field_common_string *string_field = BT_FROM_COMMON(field);
-
- BT_ASSERT_PRE_NON_NULL(field, "String field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_COMMON_HOT(field, "String field");
- BT_ASSERT_PRE_FIELD_COMMON_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRING, "Field");
-
- /* make sure no null bytes are appended */
- BT_ASSERT_PRE(memchr(value, '\0', length) == NULL,
- "String value to append contains a null character: "
- "partial-value=\"%.32s\", length=%u", value, length);
-
- if (string_field->payload) {
- g_string_append_len(string_field->payload, value, length);
- } else {
- string_field->payload = g_string_new_len(value, length);
- }
-
- bt_field_common_set(field, true);
- return 0;
-}
-
-static inline
-int _bt_field_validate_recursive(struct bt_field *field)
-{
- return _bt_field_common_validate_recursive((void *) field);
-}
-
-static inline
-void _bt_field_freeze_recursive(struct bt_field *field)
-{
- return _bt_field_common_freeze_recursive((void *) field);
-}
-
-static inline
-bt_bool _bt_field_is_set_recursive(struct bt_field *field)
-{
- return _bt_field_common_is_set_recursive((void *) field);
-}
-
-static inline
-void _bt_field_reset_recursive(struct bt_field *field)
-{
- _bt_field_common_reset_recursive((void *) field);
-}
+BT_HIDDEN
+struct bt_field *bt_field_create(struct bt_field_type *type);
-static inline
-void _bt_field_set(struct bt_field *field, bool value)
-{
- _bt_field_common_set((void *) field, value);
-}
+BT_HIDDEN
+void bt_field_destroy(struct bt_field *field);
#endif /* BABELTRACE_CTF_IR_FIELDS_INTERNAL_H */
projects / babeltrace.git / blobdiff