Fix: variable declaration shadows previously declared variable
[babeltrace.git] / include / babeltrace / ctf-ir / field-types-internal.h
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1#ifndef BABELTRACE_CTF_IR_FIELD_TYPES_INTERNAL_H
2#define BABELTRACE_CTF_IR_FIELD_TYPES_INTERNAL_H
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3
4/*
2e33ac5a 5 * BabelTrace - CTF IR: Event field types internal
273b65be 6 *
de9dd397 7 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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8 *
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 *
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:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 *
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
27 * SOFTWARE.
28 */
29
544d0515 30#include <stdint.h>
273b65be 31#include <babeltrace/ctf-writer/event-types.h>
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32#include <babeltrace/ctf-writer/event-fields.h>
33#include <babeltrace/ctf-writer/writer.h>
bc37ae52 34#include <babeltrace/ctf-ir/trace-internal.h>
ac0c6bdd 35#include <babeltrace/ctf-ir/clock-class.h>
4e8304f7 36#include <babeltrace/ctf-ir/field-types.h>
273b65be 37#include <babeltrace/babeltrace-internal.h>
83509119 38#include <babeltrace/object-internal.h>
c55a9f58 39#include <babeltrace/types.h>
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40#include <glib.h>
41
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42typedef void (*type_freeze_func)(struct bt_ctf_field_type *);
43typedef int (*type_serialize_func)(struct bt_ctf_field_type *,
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44 struct metadata_context *);
45
46struct bt_ctf_field_type {
83509119 47 struct bt_object base;
1487a16a 48 enum bt_ctf_field_type_id id;
dc3fffef 49 unsigned int alignment;
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50 type_freeze_func freeze;
51 type_serialize_func serialize;
52 /*
53 * A type can't be modified once it is added to an event or after a
54 * a field has been instanciated from it.
55 */
56 int frozen;
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57
58 /*
59 * This flag indicates if the field type is valid. A valid
60 * field type is _always_ frozen. All the nested field types of
61 * a valid field type are also valid (and thus frozen).
62 */
63 int valid;
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64};
65
66struct bt_ctf_field_type_integer {
67 struct bt_ctf_field_type parent;
ac0c6bdd 68 struct bt_ctf_clock_class *mapped_clock;
445c3471 69 enum bt_ctf_byte_order user_byte_order;
c55a9f58 70 bt_bool is_signed;
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71 unsigned int size;
72 enum bt_ctf_integer_base base;
73 enum bt_ctf_string_encoding encoding;
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74};
75
76struct enumeration_mapping {
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77 union {
78 uint64_t _unsigned;
79 int64_t _signed;
80 } range_start;
81
82 union {
83 uint64_t _unsigned;
84 int64_t _signed;
85 } range_end;
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86 GQuark string;
87};
88
89struct bt_ctf_field_type_enumeration {
90 struct bt_ctf_field_type parent;
91 struct bt_ctf_field_type *container;
db8ef253 92 GPtrArray *entries; /* Array of ptrs to struct enumeration_mapping */
d49e1284 93 /* Only set during validation. */
c55a9f58 94 bt_bool has_overlapping_ranges;
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95};
96
d49e1284 97enum bt_ctf_field_type_enumeration_mapping_iterator_type {
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98 ITERATOR_BY_NAME,
99 ITERATOR_BY_SIGNED_VALUE,
100 ITERATOR_BY_UNSIGNED_VALUE,
101};
102
103struct bt_ctf_field_type_enumeration_mapping_iterator {
104 struct bt_object base;
105 struct bt_ctf_field_type_enumeration *enumeration_type;
d49e1284 106 enum bt_ctf_field_type_enumeration_mapping_iterator_type type;
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107 int index;
108 union {
109 GQuark name_quark;
110 int64_t signed_value;
111 uint64_t unsigned_value;
112 } u;
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113};
114
115struct bt_ctf_field_type_floating_point {
116 struct bt_ctf_field_type parent;
445c3471 117 enum bt_ctf_byte_order user_byte_order;
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118 unsigned int exp_dig;
119 unsigned int mant_dig;
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120};
121
122struct structure_field {
123 GQuark name;
124 struct bt_ctf_field_type *type;
125};
126
127struct bt_ctf_field_type_structure {
128 struct bt_ctf_field_type parent;
129 GHashTable *field_name_to_index;
130 GPtrArray *fields; /* Array of pointers to struct structure_field */
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131};
132
133struct bt_ctf_field_type_variant {
134 struct bt_ctf_field_type parent;
135 GString *tag_name;
136 struct bt_ctf_field_type_enumeration *tag;
b011f6b0 137 struct bt_ctf_field_path *tag_field_path;
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138 GHashTable *field_name_to_index;
139 GPtrArray *fields; /* Array of pointers to struct structure_field */
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140};
141
142struct bt_ctf_field_type_array {
143 struct bt_ctf_field_type parent;
144 struct bt_ctf_field_type *element_type;
145 unsigned int length; /* Number of elements */
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146};
147
148struct bt_ctf_field_type_sequence {
149 struct bt_ctf_field_type parent;
150 struct bt_ctf_field_type *element_type;
151 GString *length_field_name;
aa4e271c 152 struct bt_ctf_field_path *length_field_path;
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153};
154
155struct bt_ctf_field_type_string {
156 struct bt_ctf_field_type parent;
dc3fffef 157 enum bt_ctf_string_encoding encoding;
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158};
159
160BT_HIDDEN
161void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type);
162
163BT_HIDDEN
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164struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_signed(
165 struct bt_ctf_field_type_variant *variant, int64_t tag_value);
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166
167BT_HIDDEN
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168struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_unsigned(
169 struct bt_ctf_field_type_variant *variant, uint64_t tag_value);
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170
171BT_HIDDEN
172int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type,
173 struct metadata_context *context);
174
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175BT_HIDDEN
176int bt_ctf_field_type_validate(struct bt_ctf_field_type *type);
177
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178BT_HIDDEN
179int bt_ctf_field_type_structure_get_field_name_index(
180 struct bt_ctf_field_type *structure, const char *name);
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181
182BT_HIDDEN
183int bt_ctf_field_type_variant_get_field_name_index(
184 struct bt_ctf_field_type *variant, const char *name);
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185
186BT_HIDDEN
187int bt_ctf_field_type_sequence_set_length_field_path(
188 struct bt_ctf_field_type *type,
189 struct bt_ctf_field_path *path);
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190
191BT_HIDDEN
192int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type *type,
193 struct bt_ctf_field_path *path);
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194
195BT_HIDDEN
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196int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type *type,
197 struct bt_ctf_field_type *tag_type);
3f39933a 198
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199BT_HIDDEN
200int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type *array,
201 struct bt_ctf_field_type *element_type);
202
203BT_HIDDEN
204int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type *array,
205 struct bt_ctf_field_type *element_type);
206
09840de5 207BT_HIDDEN
544d0515 208int64_t bt_ctf_field_type_get_field_count(struct bt_ctf_field_type *type);
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209
210BT_HIDDEN
211struct bt_ctf_field_type *bt_ctf_field_type_get_field_at_index(
212 struct bt_ctf_field_type *type, int index);
213
214BT_HIDDEN
215int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type *type,
216 const char *name);
217
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218BT_HIDDEN
219int bt_ctf_field_type_integer_set_mapped_clock_class_no_check(
220 struct bt_ctf_field_type *int_field_type,
221 struct bt_ctf_clock_class *clock_class);
222
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223static inline
224const char *bt_ctf_field_type_id_string(enum bt_ctf_field_type_id type_id)
225{
226 switch (type_id) {
227 case BT_CTF_FIELD_TYPE_ID_UNKNOWN:
228 return "BT_CTF_FIELD_TYPE_ID_UNKNOWN";
229 case BT_CTF_FIELD_TYPE_ID_INTEGER:
230 return "BT_CTF_FIELD_TYPE_ID_INTEGER";
231 case BT_CTF_FIELD_TYPE_ID_FLOAT:
232 return "BT_CTF_FIELD_TYPE_ID_FLOAT";
233 case BT_CTF_FIELD_TYPE_ID_ENUM:
234 return "BT_CTF_FIELD_TYPE_ID_ENUM";
235 case BT_CTF_FIELD_TYPE_ID_STRING:
236 return "BT_CTF_FIELD_TYPE_ID_STRING";
237 case BT_CTF_FIELD_TYPE_ID_STRUCT:
238 return "BT_CTF_FIELD_TYPE_ID_STRUCT";
239 case BT_CTF_FIELD_TYPE_ID_ARRAY:
240 return "BT_CTF_FIELD_TYPE_ID_ARRAY";
241 case BT_CTF_FIELD_TYPE_ID_SEQUENCE:
242 return "BT_CTF_FIELD_TYPE_ID_SEQUENCE";
243 case BT_CTF_FIELD_TYPE_ID_VARIANT:
244 return "BT_CTF_FIELD_TYPE_ID_VARIANT";
245 default:
246 return "(unknown)";
247 }
248};
249
250static inline
4e8304f7 251const char *bt_ctf_byte_order_string(enum bt_ctf_byte_order bo)
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252{
253 switch (bo) {
254 case BT_CTF_BYTE_ORDER_UNKNOWN:
255 return "BT_CTF_BYTE_ORDER_UNKNOWN";
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256 case BT_CTF_BYTE_ORDER_UNSPECIFIED:
257 return "BT_CTF_BYTE_ORDER_UNSPECIFIED";
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258 case BT_CTF_BYTE_ORDER_NATIVE:
259 return "BT_CTF_BYTE_ORDER_NATIVE";
260 case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
261 return "BT_CTF_BYTE_ORDER_LITTLE_ENDIAN";
262 case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
263 return "BT_CTF_BYTE_ORDER_BIG_ENDIAN";
264 case BT_CTF_BYTE_ORDER_NETWORK:
265 return "BT_CTF_BYTE_ORDER_NETWORK";
266 default:
267 return "(unknown)";
268 }
269};
270
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271static inline
272const char *bt_ctf_string_encoding_string(enum bt_ctf_string_encoding encoding)
273{
274 switch (encoding) {
275 case BT_CTF_STRING_ENCODING_UNKNOWN:
276 return "BT_CTF_STRING_ENCODING_UNKNOWN";
277 case BT_CTF_STRING_ENCODING_NONE:
278 return "BT_CTF_STRING_ENCODING_NONE";
279 case BT_CTF_STRING_ENCODING_UTF8:
280 return "BT_CTF_STRING_ENCODING_UTF8";
281 case BT_CTF_STRING_ENCODING_ASCII:
282 return "BT_CTF_STRING_ENCODING_ASCII";
283 default:
284 return "(unknown)";
285 }
286};
287
288static inline
289const char *bt_ctf_integer_base_string(enum bt_ctf_integer_base base)
290{
291 switch (base) {
292 case BT_CTF_INTEGER_BASE_UNKNOWN:
293 return "BT_CTF_INTEGER_BASE_UNKNOWN";
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294 case BT_CTF_INTEGER_BASE_UNSPECIFIED:
295 return "BT_CTF_INTEGER_BASE_UNSPECIFIED";
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296 case BT_CTF_INTEGER_BASE_BINARY:
297 return "BT_CTF_INTEGER_BASE_BINARY";
298 case BT_CTF_INTEGER_BASE_OCTAL:
299 return "BT_CTF_INTEGER_BASE_OCTAL";
300 case BT_CTF_INTEGER_BASE_DECIMAL:
301 return "BT_CTF_INTEGER_BASE_DECIMAL";
302 case BT_CTF_INTEGER_BASE_HEXADECIMAL:
303 return "BT_CTF_INTEGER_BASE_HEXADECIMAL";
304 default:
305 return "(unknown)";
306 }
307}
308
309static inline
310const char *bt_ctf_scope_string(enum bt_ctf_scope scope)
311{
312 switch (scope) {
313 case BT_CTF_SCOPE_UNKNOWN:
314 return "BT_CTF_SCOPE_UNKNOWN";
315 case BT_CTF_SCOPE_TRACE_PACKET_HEADER:
316 return "BT_CTF_SCOPE_TRACE_PACKET_HEADER";
317 case BT_CTF_SCOPE_STREAM_PACKET_CONTEXT:
318 return "BT_CTF_SCOPE_STREAM_PACKET_CONTEXT";
319 case BT_CTF_SCOPE_STREAM_EVENT_HEADER:
320 return "BT_CTF_SCOPE_STREAM_EVENT_HEADER";
321 case BT_CTF_SCOPE_STREAM_EVENT_CONTEXT:
322 return "BT_CTF_SCOPE_STREAM_EVENT_CONTEXT";
323 case BT_CTF_SCOPE_EVENT_CONTEXT:
324 return "BT_CTF_SCOPE_EVENT_CONTEXT";
325 case BT_CTF_SCOPE_EVENT_PAYLOAD:
326 return "BT_CTF_SCOPE_EVENT_PAYLOAD";
327 case BT_CTF_SCOPE_ENV:
328 return "BT_CTF_SCOPE_ENV";
329 default:
330 return "(unknown)";
331 }
332}
333
2e33ac5a 334#endif /* BABELTRACE_CTF_IR_FIELD_TYPES_INTERNAL_H */
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