* SOFTWARE.
*/
-#include <babeltrace/ctf-ir/field-types.h>
-#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/ctf-ir/field-types-internal.h>
+#include <babeltrace/ctf-ir/utils-internal.h>
#include <babeltrace/object-internal.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/types.h>
#include <stdint.h>
+#include <string.h>
+#include <inttypes.h>
#include <stdbool.h>
#include <glib.h>
-struct bt_stream_pos;
+#define BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(_field, _type_id, _name) \
+ BT_ASSERT_PRE((_field)->type->id == ((int) (_type_id)), \
+ _name " has the wrong type ID: expected-type-id=%s, " \
+ "%![field-]+f", \
+ bt_common_field_type_id_string((int) (_type_id)), (_field))
+
+#define BT_ASSERT_PRE_FIELD_IS_SET(_field, _name) \
+ BT_ASSERT_PRE(bt_field_is_set_recursive(_field), \
+ _name " is not set: %!+f", (_field))
+
+#define BT_ASSERT_PRE_FIELD_HOT(_field, _name) \
+ BT_ASSERT_PRE_HOT((_field), (_name), ": %!+f", (_field))
+
+struct bt_field;
+
+typedef void (*bt_field_method_set_is_frozen)(struct bt_field *,
+ bool);
+typedef int (*bt_field_method_validate)(struct bt_field *);
+typedef bt_bool (*bt_field_method_is_set)(struct bt_field *);
+typedef void (*bt_field_method_reset)(struct bt_field *);
+
+struct bt_field_methods {
+ bt_field_method_set_is_frozen set_is_frozen;
+ bt_field_method_validate validate;
+ bt_field_method_is_set is_set;
+ bt_field_method_reset reset;
+};
struct bt_field {
struct bt_object base;
struct bt_field_type *type;
+ struct bt_field_methods *methods;
bool payload_set;
bool frozen;
};
struct bt_field_integer {
- struct bt_field parent;
+ struct bt_field common;
union {
int64_t signd;
uint64_t unsignd;
};
struct bt_field_enumeration {
- struct bt_field parent;
- struct bt_field *payload;
+ struct bt_field_integer common;
};
struct bt_field_floating_point {
- struct bt_field parent;
+ struct bt_field common;
double payload;
};
struct bt_field_structure {
- struct bt_field parent;
- GPtrArray *fields; /* Array of pointers to struct bt_field */
+ struct bt_field common;
+
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *fields;
};
struct bt_field_variant {
- struct bt_field parent;
- struct bt_field *tag;
- struct bt_field *payload;
+ struct bt_field common;
+
+ union {
+ uint64_t u;
+ int64_t i;
+ } tag_value;
+
+ /* Weak: belongs to `choices` below */
+ struct bt_field *current_field;
+
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *fields;
};
struct bt_field_array {
- struct bt_field parent;
- GPtrArray *elements; /* Array of pointers to struct bt_field */
+ struct bt_field common;
+
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *elements;
};
struct bt_field_sequence {
- struct bt_field parent;
- struct bt_field *length;
- GPtrArray *elements; /* Array of pointers to struct bt_field */
+ struct bt_field common;
+
+ /*
+ * This is the true sequence field's length: its value can be
+ * less than `elements->len` below because we never shrink the
+ * array of elements to avoid reallocation.
+ */
+ uint64_t length;
+
+ /* Array of `struct bt_field *`, owned by this */
+ GPtrArray *elements;
};
struct bt_field_string {
- struct bt_field parent;
- GString *payload;
+ struct bt_field common;
+ GArray *buf;
+ size_t size;
};
-/* Validate that the field's payload is set (returns 0 if set). */
-BT_HIDDEN
-int bt_field_validate(struct bt_field *field);
+#ifdef BT_DEV_MODE
+# define bt_field_validate_recursive _bt_field_validate_recursive
+# define bt_field_set_is_frozen_recursive _bt_field_set_is_frozen_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
+#else
+# define bt_field_validate_recursive(_field) (-1)
+# define bt_field_set_is_frozen_recursive(_field, _is_frozen)
+# define bt_field_is_set_recursive(_field) (BT_FALSE)
+# define bt_field_reset_recursive(_field)
+# define bt_field_set(_field, _val)
+#endif
BT_HIDDEN
-int bt_field_serialize(struct bt_field *field,
- struct bt_stream_pos *pos,
- enum bt_byte_order native_byte_order);
+void _bt_field_set_is_frozen_recursive(struct bt_field *field,
+ bool is_frozen);
+
+static inline
+int _bt_field_validate_recursive(struct bt_field *field)
+{
+ int ret = 0;
+
+ if (!field) {
+ BT_ASSERT_PRE_MSG("%s", "Invalid field: field is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ BT_ASSERT(bt_field_type_has_known_id(field->type));
+
+ if (field->methods->validate) {
+ ret = field->methods->validate(field);
+ }
+
+end:
+ return ret;
+}
+
+static inline
+void _bt_field_reset_recursive(struct bt_field *field)
+{
+ BT_ASSERT(field);
+ BT_ASSERT(field->methods->reset);
+ field->methods->reset(field);
+}
+
+static inline
+void _bt_field_set(struct bt_field *field, bool value)
+{
+ BT_ASSERT(field);
+ field->payload_set = value;
+}
+
+static inline
+bt_bool _bt_field_is_set_recursive(struct bt_field *field)
+{
+ bt_bool is_set = BT_FALSE;
+
+ if (!field) {
+ goto end;
+ }
+
+ BT_ASSERT(bt_field_type_has_known_id(field->type));
+ BT_ASSERT(field->methods->is_set);
+ is_set = field->methods->is_set(field);
+
+end:
+ return is_set;
+}
BT_HIDDEN
-void bt_field_freeze(struct bt_field *field);
+struct bt_field *bt_field_create_recursive(struct bt_field_type *type);
BT_HIDDEN
-int64_t bt_field_sequence_get_int_length(struct bt_field *field);
+void bt_field_destroy_recursive(struct bt_field *field);
#endif /* BABELTRACE_CTF_IR_FIELDS_INTERNAL_H */
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