1 #ifndef BABELTRACE_CTF_IR_FIELD_TYPES_INTERNAL_H
2 #define BABELTRACE_CTF_IR_FIELD_TYPES_INTERNAL_H
5 * BabelTrace - CTF IR: Event field types internal
7 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 #include <babeltrace/ctf-writer/event-types.h>
32 #include <babeltrace/ctf-writer/event-fields.h>
33 #include <babeltrace/ctf-writer/writer.h>
34 #include <babeltrace/ctf-ir/trace-internal.h>
35 #include <babeltrace/ctf-ir/clock-class.h>
36 #include <babeltrace/babeltrace-internal.h>
37 #include <babeltrace/object-internal.h>
40 typedef void (*type_freeze_func
)(struct bt_ctf_field_type
*);
41 typedef int (*type_serialize_func
)(struct bt_ctf_field_type
*,
42 struct metadata_context
*);
44 struct bt_ctf_field_type
{
45 struct bt_object base
;
46 enum bt_ctf_field_type_id id
;
47 unsigned int alignment
;
48 type_freeze_func freeze
;
49 type_serialize_func serialize
;
51 * A type can't be modified once it is added to an event or after a
52 * a field has been instanciated from it.
57 * This flag indicates if the field type is valid. A valid
58 * field type is _always_ frozen. All the nested field types of
59 * a valid field type are also valid (and thus frozen).
64 struct bt_ctf_field_type_integer
{
65 struct bt_ctf_field_type parent
;
66 struct bt_ctf_clock_class
*mapped_clock
;
67 enum bt_ctf_byte_order user_byte_order
;
70 enum bt_ctf_integer_base base
;
71 enum bt_ctf_string_encoding encoding
;
74 struct enumeration_mapping
{
87 struct bt_ctf_field_type_enumeration
{
88 struct bt_ctf_field_type parent
;
89 struct bt_ctf_field_type
*container
;
90 GPtrArray
*entries
; /* Array of ptrs to struct enumeration_mapping */
91 /* Only set during validation. */
92 bool has_overlapping_ranges
;
95 enum bt_ctf_field_type_enumeration_mapping_iterator_type
{
97 ITERATOR_BY_SIGNED_VALUE
,
98 ITERATOR_BY_UNSIGNED_VALUE
,
101 struct bt_ctf_field_type_enumeration_mapping_iterator
{
102 struct bt_object base
;
103 struct bt_ctf_field_type_enumeration
*enumeration_type
;
104 enum bt_ctf_field_type_enumeration_mapping_iterator_type type
;
108 int64_t signed_value
;
109 uint64_t unsigned_value
;
113 struct bt_ctf_field_type_floating_point
{
114 struct bt_ctf_field_type parent
;
115 enum bt_ctf_byte_order user_byte_order
;
116 unsigned int exp_dig
;
117 unsigned int mant_dig
;
120 struct structure_field
{
122 struct bt_ctf_field_type
*type
;
125 struct bt_ctf_field_type_structure
{
126 struct bt_ctf_field_type parent
;
127 GHashTable
*field_name_to_index
;
128 GPtrArray
*fields
; /* Array of pointers to struct structure_field */
131 struct bt_ctf_field_type_variant
{
132 struct bt_ctf_field_type parent
;
134 struct bt_ctf_field_type_enumeration
*tag
;
135 struct bt_ctf_field_path
*tag_field_path
;
136 GHashTable
*field_name_to_index
;
137 GPtrArray
*fields
; /* Array of pointers to struct structure_field */
140 struct bt_ctf_field_type_array
{
141 struct bt_ctf_field_type parent
;
142 struct bt_ctf_field_type
*element_type
;
143 unsigned int length
; /* Number of elements */
146 struct bt_ctf_field_type_sequence
{
147 struct bt_ctf_field_type parent
;
148 struct bt_ctf_field_type
*element_type
;
149 GString
*length_field_name
;
150 struct bt_ctf_field_path
*length_field_path
;
153 struct bt_ctf_field_type_string
{
154 struct bt_ctf_field_type parent
;
155 enum bt_ctf_string_encoding encoding
;
159 void bt_ctf_field_type_freeze(struct bt_ctf_field_type
*type
);
162 struct bt_ctf_field_type
*bt_ctf_field_type_variant_get_field_type_signed(
163 struct bt_ctf_field_type_variant
*variant
, int64_t tag_value
);
166 struct bt_ctf_field_type
*bt_ctf_field_type_variant_get_field_type_unsigned(
167 struct bt_ctf_field_type_variant
*variant
, uint64_t tag_value
);
170 int bt_ctf_field_type_serialize(struct bt_ctf_field_type
*type
,
171 struct metadata_context
*context
);
174 int bt_ctf_field_type_validate(struct bt_ctf_field_type
*type
);
177 int bt_ctf_field_type_structure_get_field_name_index(
178 struct bt_ctf_field_type
*structure
, const char *name
);
180 /* Replace an existing field's type in a structure */
182 int bt_ctf_field_type_structure_set_field_index(
183 struct bt_ctf_field_type
*structure
,
184 struct bt_ctf_field_type
*field
, int index
);
187 int bt_ctf_field_type_variant_get_field_name_index(
188 struct bt_ctf_field_type
*variant
, const char *name
);
191 int bt_ctf_field_type_sequence_set_length_field_path(
192 struct bt_ctf_field_type
*type
,
193 struct bt_ctf_field_path
*path
);
196 int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type
*type
,
197 struct bt_ctf_field_path
*path
);
200 int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type
*type
,
201 struct bt_ctf_field_type
*tag_type
);
203 /* Replace an existing field's type in a variant */
205 int bt_ctf_field_type_variant_set_field_index(
206 struct bt_ctf_field_type
*variant
,
207 struct bt_ctf_field_type
*field
, int index
);
210 int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type
*array
,
211 struct bt_ctf_field_type
*element_type
);
214 int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type
*array
,
215 struct bt_ctf_field_type
*element_type
);
218 int64_t bt_ctf_field_type_get_field_count(struct bt_ctf_field_type
*type
);
221 struct bt_ctf_field_type
*bt_ctf_field_type_get_field_at_index(
222 struct bt_ctf_field_type
*type
, int index
);
225 int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type
*type
,
228 #endif /* BABELTRACE_CTF_IR_FIELD_TYPES_INTERNAL_H */