2 * SPDX-License-Identifier: MIT
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 #ifndef BABELTRACE_TRACE_IR_FIELDS_INTERNAL_H
9 #define BABELTRACE_TRACE_IR_FIELDS_INTERNAL_H
11 #include "lib/assert-cond.h"
12 #include "common/common.h"
13 #include "lib/object.h"
14 #include "common/macros.h"
15 #include <babeltrace2/types.h>
22 #include "field-class.h"
27 typedef struct bt_field
*(* bt_field_create_func
)(struct bt_field_class
*);
28 typedef void (*bt_field_method_set_is_frozen
)(struct bt_field
*, bool);
29 typedef bool (*bt_field_method_is_set
)(const struct bt_field
*);
30 typedef void (*bt_field_method_reset
)(struct bt_field
*);
32 struct bt_field_methods
{
33 bt_field_method_set_is_frozen set_is_frozen
;
34 bt_field_method_is_set is_set
;
35 bt_field_method_reset reset
;
39 struct bt_object base
;
42 struct bt_field_class
*class;
44 /* Virtual table for slow path (dev mode) operations */
45 struct bt_field_methods
*methods
;
51 struct bt_field_bool
{
52 struct bt_field common
;
56 struct bt_field_bit_array
{
57 struct bt_field common
;
58 uint64_t value_as_int
;
61 struct bt_field_integer
{
62 struct bt_field common
;
70 struct bt_field_real
{
71 struct bt_field common
;
75 struct bt_field_structure
{
76 struct bt_field common
;
78 /* Array of `struct bt_field *`, owned by this */
82 struct bt_field_option
{
83 struct bt_field common
;
86 struct bt_field
*content_field
;
88 /* Weak: equal to `content_field` above or `NULL` */
89 struct bt_field
*selected_field
;
92 struct bt_field_variant
{
93 struct bt_field common
;
95 /* Weak: belongs to `fields` below */
96 struct bt_field
*selected_field
;
98 /* Index of currently selected field */
99 uint64_t selected_index
;
101 /* Array of `struct bt_field *`, owned by this */
105 struct bt_field_array
{
106 struct bt_field common
;
108 /* Array of `struct bt_field *`, owned by this */
111 /* Current effective length */
115 struct bt_field_string
{
116 struct bt_field common
;
122 # define bt_field_set_is_frozen _bt_field_set_is_frozen
123 # define bt_field_is_set _bt_field_is_set
124 # define bt_field_reset _bt_field_reset
125 # define bt_field_set_single _bt_field_set_single
127 # define bt_field_set_is_frozen(_field, _is_frozen)
128 # define bt_field_is_set(_field) (BT_FALSE)
129 # define bt_field_reset(_field)
130 # define bt_field_set_single(_field, _val)
134 void _bt_field_set_is_frozen(const struct bt_field
*field
, bool is_frozen
);
137 void _bt_field_reset(const struct bt_field
*field
)
139 BT_ASSERT_DBG(field
);
140 BT_ASSERT_DBG(field
->methods
->reset
);
141 field
->methods
->reset((void *) field
);
145 void _bt_field_set_single(struct bt_field
*field
, bool value
)
147 BT_ASSERT_DBG(field
);
148 field
->is_set
= value
;
152 bt_bool
_bt_field_is_set(const struct bt_field
*field
)
154 bt_bool is_set
= BT_FALSE
;
160 BT_ASSERT_DBG(field
->methods
->is_set
);
161 is_set
= field
->methods
->is_set(field
);
168 struct bt_field
*bt_field_create(struct bt_field_class
*class);
171 void bt_field_destroy(struct bt_field
*field
);
173 #endif /* BABELTRACE_TRACE_IR_FIELDS_INTERNAL_H */