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/object.h"
12 #include <babeltrace2/types.h>
17 #include "field-class.h"
21 typedef struct bt_field
*(* bt_field_create_func
)(struct bt_field_class
*);
22 typedef void (*bt_field_method_set_is_frozen
)(struct bt_field
*, bool);
23 typedef bool (*bt_field_method_is_set
)(const struct bt_field
*);
24 typedef void (*bt_field_method_reset
)(struct bt_field
*);
26 struct bt_field_methods
{
27 bt_field_method_set_is_frozen set_is_frozen
;
28 bt_field_method_is_set is_set
;
29 bt_field_method_reset reset
;
33 struct bt_object base
;
36 struct bt_field_class
*class;
38 /* Virtual table for slow path (dev mode) operations */
39 struct bt_field_methods
*methods
;
45 struct bt_field_bool
{
46 struct bt_field common
;
50 struct bt_field_bit_array
{
51 struct bt_field common
;
52 uint64_t value_as_int
;
55 struct bt_field_integer
{
56 struct bt_field common
;
64 struct bt_field_real
{
65 struct bt_field common
;
69 struct bt_field_structure
{
70 struct bt_field common
;
72 /* Array of `struct bt_field *`, owned by this */
76 struct bt_field_option
{
77 struct bt_field common
;
80 struct bt_field
*content_field
;
82 /* Weak: equal to `content_field` above or `NULL` */
83 struct bt_field
*selected_field
;
86 struct bt_field_variant
{
87 struct bt_field common
;
89 /* Weak: belongs to `fields` below */
90 struct bt_field
*selected_field
;
92 /* Index of currently selected field */
93 uint64_t selected_index
;
95 /* Array of `struct bt_field *`, owned by this */
99 struct bt_field_array
{
100 struct bt_field common
;
102 /* Array of `struct bt_field *`, owned by this */
105 /* Current effective length */
109 struct bt_field_string
{
110 struct bt_field common
;
116 # define bt_field_set_is_frozen _bt_field_set_is_frozen
117 # define bt_field_is_set _bt_field_is_set
118 # define bt_field_reset _bt_field_reset
119 # define bt_field_set_single _bt_field_set_single
121 # define bt_field_set_is_frozen(_field, _is_frozen)
122 # define bt_field_is_set(_field) (BT_FALSE)
123 # define bt_field_reset(_field)
124 # define bt_field_set_single(_field, _val)
127 void _bt_field_set_is_frozen(const struct bt_field
*field
, bool is_frozen
);
130 void _bt_field_reset(const struct bt_field
*field
)
132 BT_ASSERT_DBG(field
);
133 BT_ASSERT_DBG(field
->methods
->reset
);
134 field
->methods
->reset((void *) field
);
138 void _bt_field_set_single(struct bt_field
*field
, bool value
)
140 BT_ASSERT_DBG(field
);
141 field
->is_set
= value
;
145 bt_bool
_bt_field_is_set(const struct bt_field
*field
)
147 bt_bool is_set
= BT_FALSE
;
153 BT_ASSERT_DBG(field
->methods
->is_set
);
154 is_set
= field
->methods
->is_set(field
);
160 struct bt_field
*bt_field_create(struct bt_field_class
*class);
162 void bt_field_destroy(struct bt_field
*field
);
164 #endif /* BABELTRACE_TRACE_IR_FIELDS_INTERNAL_H */