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d79865b9 MD |
1 | #ifndef _BABELTRACE_TYPES_H |
2 | #define _BABELTRACE_TYPES_H | |
3 | ||
4 | /* | |
5 | * BabelTrace | |
6 | * | |
fc93b2bd | 7 | * Type Header |
d79865b9 | 8 | * |
64fa3fec MD |
9 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
10 | * | |
11 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
d79865b9 | 12 | * |
ccd7e1c8 MD |
13 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
14 | * of this software and associated documentation files (the "Software"), to deal | |
15 | * in the Software without restriction, including without limitation the rights | |
16 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
17 | * copies of the Software, and to permit persons to whom the Software is | |
18 | * furnished to do so, subject to the following conditions: | |
d79865b9 | 19 | * |
ccd7e1c8 MD |
20 | * The above copyright notice and this permission notice shall be included in |
21 | * all copies or substantial portions of the Software. | |
d79865b9 MD |
22 | */ |
23 | ||
bed864a7 | 24 | #include <babeltrace/align.h> |
d65d8abb | 25 | #include <babeltrace/list.h> |
4c8bfb7e MD |
26 | #include <stdbool.h> |
27 | #include <stdint.h> | |
28 | #include <limits.h> | |
bed864a7 | 29 | #include <string.h> |
4c8bfb7e | 30 | #include <glib.h> |
8eab883c | 31 | #include <assert.h> |
bed864a7 | 32 | |
11796b96 MD |
33 | /* Preallocate this many fields for structures */ |
34 | #define DEFAULT_NR_STRUCT_FIELDS 8 | |
35 | ||
764af3f4 | 36 | struct ctf_stream; |
dd2544fd | 37 | struct stream_pos; |
4c8bfb7e | 38 | struct format; |
e1151715 | 39 | struct definition; |
56e60373 | 40 | struct ctf_clock; |
4c8bfb7e | 41 | |
64893f33 | 42 | /* type scope */ |
f6625916 | 43 | struct declaration_scope { |
c13cbf74 | 44 | /* Hash table mapping type name GQuark to "struct declaration" */ |
1ee8e81d | 45 | /* Used for both typedef and typealias. */ |
f6625916 MD |
46 | GHashTable *typedef_declarations; |
47 | /* Hash table mapping struct name GQuark to "struct declaration_struct" */ | |
48 | GHashTable *struct_declarations; | |
49 | /* Hash table mapping variant name GQuark to "struct declaration_variant" */ | |
50 | GHashTable *variant_declarations; | |
c13cbf74 | 51 | /* Hash table mapping enum name GQuark to "struct type_enum" */ |
f6625916 MD |
52 | GHashTable *enum_declarations; |
53 | struct declaration_scope *parent_scope; | |
64893f33 MD |
54 | }; |
55 | ||
e1151715 MD |
56 | /* definition scope */ |
57 | struct definition_scope { | |
58 | /* Hash table mapping field name GQuark to "struct definition" */ | |
59 | GHashTable *definitions; | |
60 | struct definition_scope *parent_scope; | |
05c749e5 MD |
61 | /* |
62 | * Complete "path" leading to this definition scope. | |
9e29e16e | 63 | * Includes dynamic scope name '.' field name '.' field name '.' .... |
05c749e5 | 64 | * Array of GQuark elements (which are each separated by dots). |
9e29e16e MD |
65 | * The dynamic scope name can contain dots, and is encoded into |
66 | * a single GQuark. Thus, scope_path[0] returns the GQuark | |
67 | * identifying the dynamic scope. | |
05c749e5 MD |
68 | */ |
69 | GArray *scope_path; /* array of GQuark */ | |
6b71274a MD |
70 | }; |
71 | ||
05628561 MD |
72 | enum ctf_type_id { |
73 | CTF_TYPE_UNKNOWN = 0, | |
74 | CTF_TYPE_INTEGER, | |
75 | CTF_TYPE_FLOAT, | |
76 | CTF_TYPE_ENUM, | |
77 | CTF_TYPE_STRING, | |
78 | CTF_TYPE_STRUCT, | |
d60cb676 | 79 | CTF_TYPE_UNTAGGED_VARIANT, |
05628561 MD |
80 | CTF_TYPE_VARIANT, |
81 | CTF_TYPE_ARRAY, | |
82 | CTF_TYPE_SEQUENCE, | |
83 | NR_CTF_TYPES, | |
84 | }; | |
85 | ||
f6625916 | 86 | struct declaration { |
05628561 | 87 | enum ctf_type_id id; |
fc93b2bd | 88 | size_t alignment; /* type alignment, in bits */ |
e19c3d69 | 89 | int ref; /* number of references to the type */ |
c054553d | 90 | /* |
f6625916 | 91 | * declaration_free called with declaration ref is decremented to 0. |
c054553d | 92 | */ |
f6625916 | 93 | void (*declaration_free)(struct declaration *declaration); |
e1151715 | 94 | struct definition * |
f6625916 | 95 | (*definition_new)(struct declaration *declaration, |
05c749e5 | 96 | struct definition_scope *parent_scope, |
98df1c9f MD |
97 | GQuark field_name, int index, |
98 | const char *root_name); | |
c054553d | 99 | /* |
e1151715 | 100 | * definition_free called with definition ref is decremented to 0. |
e19c3d69 | 101 | */ |
e1151715 | 102 | void (*definition_free)(struct definition *definition); |
c054553d MD |
103 | }; |
104 | ||
e1151715 | 105 | struct definition { |
f6625916 | 106 | struct declaration *declaration; |
05c749e5 | 107 | int index; /* Position of the definition in its container */ |
b1a2f580 | 108 | GQuark name; /* Field name in its container (or 0 if unset) */ |
e1151715 | 109 | int ref; /* number of references to the definition */ |
31262354 | 110 | GQuark path; |
a35173fe | 111 | struct definition_scope *scope; |
fc93b2bd MD |
112 | }; |
113 | ||
c5e74408 MD |
114 | typedef int (*rw_dispatch)(struct stream_pos *pos, |
115 | struct definition *definition); | |
d11e9c49 MD |
116 | |
117 | /* Parent of per-plugin positions */ | |
118 | struct stream_pos { | |
119 | /* read/write dispatch table. Specific to plugin used for stream. */ | |
120 | rw_dispatch *rw_table; /* rw dispatch table */ | |
31262354 | 121 | int (*event_cb)(struct stream_pos *pos, |
764af3f4 | 122 | struct ctf_stream *stream); |
d11e9c49 MD |
123 | }; |
124 | ||
125 | static inline | |
c5e74408 | 126 | int generic_rw(struct stream_pos *pos, struct definition *definition) |
d11e9c49 MD |
127 | { |
128 | enum ctf_type_id dispatch_id = definition->declaration->id; | |
129 | rw_dispatch call; | |
130 | ||
131 | assert(pos->rw_table[dispatch_id] != NULL); | |
132 | call = pos->rw_table[dispatch_id]; | |
c5e74408 | 133 | return call(pos, definition); |
d11e9c49 MD |
134 | } |
135 | ||
81dee1bb MD |
136 | enum ctf_string_encoding { |
137 | CTF_STRING_NONE = 0, | |
138 | CTF_STRING_UTF8, | |
139 | CTF_STRING_ASCII, | |
140 | CTF_STRING_UNKNOWN, | |
141 | }; | |
142 | ||
bed864a7 MD |
143 | /* |
144 | * Because we address in bits, bitfields end up being exactly the same as | |
145 | * integers, except that their read/write functions must be able to deal with | |
146 | * read/write non aligned on CHAR_BIT. | |
147 | */ | |
f6625916 MD |
148 | struct declaration_integer { |
149 | struct declaration p; | |
7fe00194 MD |
150 | size_t len; /* length, in bits. */ |
151 | int byte_order; /* byte order */ | |
152 | int signedness; | |
164078da | 153 | int base; /* Base for pretty-printing: 2, 8, 10, 16 */ |
81dee1bb | 154 | enum ctf_string_encoding encoding; |
56e60373 | 155 | struct ctf_clock *clock; |
fc93b2bd MD |
156 | }; |
157 | ||
e1151715 MD |
158 | struct definition_integer { |
159 | struct definition p; | |
f6625916 | 160 | struct declaration_integer *declaration; |
c054553d MD |
161 | /* Last values read */ |
162 | union { | |
163 | uint64_t _unsigned; | |
164 | int64_t _signed; | |
165 | } value; | |
166 | }; | |
167 | ||
f6625916 MD |
168 | struct declaration_float { |
169 | struct declaration p; | |
170 | struct declaration_integer *sign; | |
171 | struct declaration_integer *mantissa; | |
172 | struct declaration_integer *exp; | |
fc93b2bd | 173 | int byte_order; |
0a46062b | 174 | /* TODO: we might want to express more info about NaN, +inf and -inf */ |
fc93b2bd MD |
175 | }; |
176 | ||
e1151715 MD |
177 | struct definition_float { |
178 | struct definition p; | |
f6625916 | 179 | struct declaration_float *declaration; |
d11e9c49 MD |
180 | struct definition_integer *sign; |
181 | struct definition_integer *mantissa; | |
182 | struct definition_integer *exp; | |
c054553d | 183 | /* Last values read */ |
f72803ca | 184 | double value; |
c054553d MD |
185 | }; |
186 | ||
d65d8abb MD |
187 | /* |
188 | * enum_val_equal assumes that signed and unsigned memory layout overlap. | |
189 | */ | |
190 | struct enum_range { | |
191 | union { | |
192 | int64_t _signed; | |
193 | uint64_t _unsigned; | |
194 | } start; /* lowest range value */ | |
195 | union { | |
196 | int64_t _signed; | |
197 | uint64_t _unsigned; | |
198 | } end; /* highest range value */ | |
199 | }; | |
200 | ||
201 | struct enum_range_to_quark { | |
202 | struct cds_list_head node; | |
203 | struct enum_range range; | |
204 | GQuark quark; | |
205 | }; | |
206 | ||
207 | /* | |
208 | * We optimize the common case (range of size 1: single value) by creating a | |
209 | * hash table mapping values to quark sets. We then lookup the ranges to | |
210 | * complete the quark set. | |
211 | * | |
212 | * TODO: The proper structure to hold the range to quark set mapping would be an | |
213 | * interval tree, with O(n) size, O(n*log(n)) build time and O(log(n)) query | |
214 | * time. Using a simple O(n) list search for now for implementation speed and | |
215 | * given that we can expect to have a _relatively_ small number of enumeration | |
216 | * ranges. This might become untrue if we are fed with symbol tables often | |
217 | * required to lookup function names from instruction pointer value. | |
218 | */ | |
448d3cc7 | 219 | struct enum_table { |
d65d8abb MD |
220 | GHashTable *value_to_quark_set; /* (value, GQuark GArray) */ |
221 | struct cds_list_head range_to_quark; /* (range, GQuark) */ | |
222 | GHashTable *quark_to_range_set; /* (GQuark, range GArray) */ | |
448d3cc7 MD |
223 | }; |
224 | ||
f6625916 MD |
225 | struct declaration_enum { |
226 | struct declaration p; | |
227 | struct declaration_integer *integer_declaration; | |
448d3cc7 | 228 | struct enum_table table; |
fc93b2bd MD |
229 | }; |
230 | ||
e1151715 MD |
231 | struct definition_enum { |
232 | struct definition p; | |
233 | struct definition_integer *integer; | |
f6625916 | 234 | struct declaration_enum *declaration; |
c054553d MD |
235 | /* Last GQuark values read. Keeping a reference on the GQuark array. */ |
236 | GArray *value; | |
237 | }; | |
238 | ||
f6625916 MD |
239 | struct declaration_string { |
240 | struct declaration p; | |
ab4cf058 | 241 | enum ctf_string_encoding encoding; |
c054553d MD |
242 | }; |
243 | ||
e1151715 MD |
244 | struct definition_string { |
245 | struct definition p; | |
f6625916 | 246 | struct declaration_string *declaration; |
e1151715 | 247 | char *value; /* freed at definition_string teardown */ |
d11e9c49 | 248 | size_t len, alloc_len; |
11796b96 MD |
249 | }; |
250 | ||
f6625916 | 251 | struct declaration_field { |
e19c3d69 | 252 | GQuark name; |
f6625916 | 253 | struct declaration *declaration; |
c054553d MD |
254 | }; |
255 | ||
f6625916 MD |
256 | struct declaration_struct { |
257 | struct declaration p; | |
e19c3d69 | 258 | GHashTable *fields_by_name; /* Tuples (field name, field index) */ |
f6625916 MD |
259 | struct declaration_scope *scope; |
260 | GArray *fields; /* Array of declaration_field */ | |
e19c3d69 MD |
261 | }; |
262 | ||
e1151715 MD |
263 | struct definition_struct { |
264 | struct definition p; | |
f6625916 | 265 | struct declaration_struct *declaration; |
b1a2f580 | 266 | GPtrArray *fields; /* Array of pointers to struct definition */ |
c054553d MD |
267 | }; |
268 | ||
d60cb676 | 269 | struct declaration_untagged_variant { |
f6625916 | 270 | struct declaration p; |
c054553d | 271 | GHashTable *fields_by_tag; /* Tuples (field tag, field index) */ |
f6625916 MD |
272 | struct declaration_scope *scope; |
273 | GArray *fields; /* Array of declaration_field */ | |
c054553d MD |
274 | }; |
275 | ||
d60cb676 MD |
276 | struct declaration_variant { |
277 | struct declaration p; | |
278 | struct declaration_untagged_variant *untagged_variant; | |
279 | GArray *tag_name; /* Array of GQuark */ | |
280 | }; | |
281 | ||
282 | /* A variant needs to be tagged to be defined. */ | |
e1151715 MD |
283 | struct definition_variant { |
284 | struct definition p; | |
f6625916 | 285 | struct declaration_variant *declaration; |
e1151715 | 286 | struct definition *enum_tag; |
b1a2f580 MD |
287 | GPtrArray *fields; /* Array of pointers to struct definition */ |
288 | struct definition *current_field; /* Last field read */ | |
11796b96 MD |
289 | }; |
290 | ||
f6625916 MD |
291 | struct declaration_array { |
292 | struct declaration p; | |
11796b96 | 293 | size_t len; |
f6625916 MD |
294 | struct declaration *elem; |
295 | struct declaration_scope *scope; | |
11796b96 MD |
296 | }; |
297 | ||
e1151715 MD |
298 | struct definition_array { |
299 | struct definition p; | |
f6625916 | 300 | struct declaration_array *declaration; |
b1a2f580 | 301 | GPtrArray *elems; /* Array of pointers to struct definition */ |
81dee1bb | 302 | GString *string; /* String for encoded integer children */ |
c054553d MD |
303 | }; |
304 | ||
f6625916 MD |
305 | struct declaration_sequence { |
306 | struct declaration p; | |
98df1c9f | 307 | GArray *length_name; /* Array of GQuark */ |
f6625916 MD |
308 | struct declaration *elem; |
309 | struct declaration_scope *scope; | |
e19c3d69 MD |
310 | }; |
311 | ||
e1151715 MD |
312 | struct definition_sequence { |
313 | struct definition p; | |
f6625916 | 314 | struct declaration_sequence *declaration; |
98df1c9f | 315 | struct definition_integer *length; |
b1a2f580 | 316 | GPtrArray *elems; /* Array of pointers to struct definition */ |
81dee1bb | 317 | GString *string; /* String for encoded integer children */ |
c054553d MD |
318 | }; |
319 | ||
f6625916 MD |
320 | int register_declaration(GQuark declaration_name, |
321 | struct declaration *declaration, | |
322 | struct declaration_scope *scope); | |
323 | struct declaration *lookup_declaration(GQuark declaration_name, | |
78af2bcd | 324 | struct declaration_scope *scope); |
c13cbf74 MD |
325 | |
326 | /* | |
327 | * Type scopes also contain a separate registry for struct, variant and | |
e1151715 | 328 | * enum types. Those register types rather than type definitions, so |
c13cbf74 MD |
329 | * that a named variant can be declared without specifying its target |
330 | * "choice" tag field immediately. | |
331 | */ | |
f6625916 MD |
332 | int register_struct_declaration(GQuark struct_name, |
333 | struct declaration_struct *struct_declaration, | |
334 | struct declaration_scope *scope); | |
335 | struct declaration_struct * | |
336 | lookup_struct_declaration(GQuark struct_name, | |
337 | struct declaration_scope *scope); | |
338 | int register_variant_declaration(GQuark variant_name, | |
a0720417 | 339 | struct declaration_untagged_variant *untagged_variant_declaration, |
f6625916 | 340 | struct declaration_scope *scope); |
a0720417 | 341 | struct declaration_untagged_variant *lookup_variant_declaration(GQuark variant_name, |
f6625916 MD |
342 | struct declaration_scope *scope); |
343 | int register_enum_declaration(GQuark enum_name, | |
344 | struct declaration_enum *enum_declaration, | |
345 | struct declaration_scope *scope); | |
346 | struct declaration_enum * | |
347 | lookup_enum_declaration(GQuark enum_name, | |
348 | struct declaration_scope *scope); | |
349 | ||
350 | struct declaration_scope * | |
351 | new_declaration_scope(struct declaration_scope *parent_scope); | |
352 | void free_declaration_scope(struct declaration_scope *scope); | |
c054553d | 353 | |
c13cbf74 | 354 | /* |
e1151715 MD |
355 | * field_definition is for field definitions. They are registered into |
356 | * definition scopes. | |
c13cbf74 | 357 | */ |
e1151715 | 358 | struct definition * |
a35173fe MD |
359 | lookup_path_definition(GArray *cur_path, /* array of GQuark */ |
360 | GArray *lookup_path, /* array of GQuark */ | |
361 | struct definition_scope *scope); | |
e1151715 MD |
362 | int register_field_definition(GQuark field_name, |
363 | struct definition *definition, | |
364 | struct definition_scope *scope); | |
365 | struct definition_scope * | |
05c749e5 | 366 | new_definition_scope(struct definition_scope *parent_scope, |
98df1c9f | 367 | GQuark field_name, const char *root_name); |
e1151715 | 368 | void free_definition_scope(struct definition_scope *scope); |
4c8bfb7e | 369 | |
98df1c9f MD |
370 | GQuark new_definition_path(struct definition_scope *parent_scope, |
371 | GQuark field_name, const char *root_name); | |
31262354 MD |
372 | |
373 | static inline | |
374 | int compare_definition_path(struct definition *definition, GQuark path) | |
375 | { | |
376 | return definition->path == path; | |
377 | } | |
378 | ||
f6625916 MD |
379 | void declaration_ref(struct declaration *declaration); |
380 | void declaration_unref(struct declaration *declaration); | |
64893f33 | 381 | |
e1151715 MD |
382 | void definition_ref(struct definition *definition); |
383 | void definition_unref(struct definition *definition); | |
698f0fe4 | 384 | |
add40b62 | 385 | struct declaration_integer *integer_declaration_new(size_t len, int byte_order, |
164078da | 386 | int signedness, size_t alignment, |
56e60373 MD |
387 | int base, enum ctf_string_encoding encoding, |
388 | struct ctf_clock *clock); | |
343c801f JD |
389 | uint64_t get_unsigned_int(struct definition *field); |
390 | int64_t get_signed_int(struct definition *field); | |
0a46062b | 391 | |
11d43b90 MD |
392 | /* |
393 | * mantissa_len is the length of the number of bytes represented by the mantissa | |
394 | * (e.g. result of DBL_MANT_DIG). It includes the leading 1. | |
395 | */ | |
add40b62 | 396 | struct declaration_float *float_declaration_new(size_t mantissa_len, |
e19c3d69 MD |
397 | size_t exp_len, int byte_order, |
398 | size_t alignment); | |
0a46062b | 399 | |
448d3cc7 MD |
400 | /* |
401 | * A GQuark can be translated to/from strings with g_quark_from_string() and | |
402 | * g_quark_to_string(). | |
403 | */ | |
47e0f2e2 MD |
404 | |
405 | /* | |
406 | * Returns a GArray of GQuark or NULL. | |
407 | * Caller must release the GArray with g_array_unref(). | |
408 | */ | |
f6625916 MD |
409 | GArray *enum_uint_to_quark_set(const struct declaration_enum *enum_declaration, |
410 | uint64_t v); | |
d65d8abb MD |
411 | |
412 | /* | |
47e0f2e2 | 413 | * Returns a GArray of GQuark or NULL. |
d65d8abb MD |
414 | * Caller must release the GArray with g_array_unref(). |
415 | */ | |
f6625916 | 416 | GArray *enum_int_to_quark_set(const struct declaration_enum *enum_declaration, |
bcdf4cf2 | 417 | int64_t v); |
47e0f2e2 MD |
418 | |
419 | /* | |
420 | * Returns a GArray of struct enum_range or NULL. | |
fdacfb73 MD |
421 | * Callers do _not_ own the returned GArray (and therefore _don't_ need to |
422 | * release it). | |
47e0f2e2 | 423 | */ |
f6625916 MD |
424 | GArray *enum_quark_to_range_set(const struct declaration_enum *enum_declaration, |
425 | GQuark q); | |
426 | void enum_signed_insert(struct declaration_enum *enum_declaration, | |
d65d8abb | 427 | int64_t start, int64_t end, GQuark q); |
f6625916 | 428 | void enum_unsigned_insert(struct declaration_enum *enum_declaration, |
d65d8abb | 429 | uint64_t start, uint64_t end, GQuark q); |
f6625916 MD |
430 | size_t enum_get_nr_enumerators(struct declaration_enum *enum_declaration); |
431 | ||
432 | struct declaration_enum * | |
ab4cf058 | 433 | enum_declaration_new(struct declaration_integer *integer_declaration); |
f6625916 | 434 | |
e397791f MD |
435 | struct declaration_string * |
436 | string_declaration_new(enum ctf_string_encoding encoding); | |
98b68326 | 437 | char *get_string(struct definition *field); |
e397791f | 438 | |
f6625916 | 439 | struct declaration_struct * |
b7e35bad MD |
440 | struct_declaration_new(struct declaration_scope *parent_scope, |
441 | uint64_t min_align); | |
f6625916 MD |
442 | void struct_declaration_add_field(struct declaration_struct *struct_declaration, |
443 | const char *field_name, | |
444 | struct declaration *field_declaration); | |
11796b96 MD |
445 | /* |
446 | * Returns the index of a field within a structure. | |
447 | */ | |
0f980a35 | 448 | int struct_declaration_lookup_field_index(struct declaration_struct *struct_declaration, |
f6625916 | 449 | GQuark field_name); |
11796b96 MD |
450 | /* |
451 | * field returned only valid as long as the field structure is not appended to. | |
452 | */ | |
f6625916 MD |
453 | struct declaration_field * |
454 | struct_declaration_get_field_from_index(struct declaration_struct *struct_declaration, | |
0f980a35 | 455 | int index); |
b1a2f580 | 456 | struct definition * |
0f980a35 MD |
457 | struct_definition_get_field_from_index(struct definition_struct *struct_definition, |
458 | int index); | |
c5e74408 | 459 | int struct_rw(struct stream_pos *pos, struct definition *definition); |
fd3382e8 | 460 | uint64_t struct_declaration_len(struct declaration_struct *struct_declaration); |
11796b96 | 461 | |
c054553d MD |
462 | /* |
463 | * The tag enumeration is validated to ensure that it contains only mappings | |
464 | * from numeric values to a single tag. Overlapping tag value ranges are | |
465 | * therefore forbidden. | |
466 | */ | |
ab4cf058 | 467 | struct declaration_untagged_variant *untagged_variant_declaration_new( |
1934b94f | 468 | struct declaration_scope *parent_scope); |
d60cb676 MD |
469 | struct declaration_variant *variant_declaration_new(struct declaration_untagged_variant *untagged_variant, |
470 | const char *tag); | |
471 | ||
472 | void untagged_variant_declaration_add_field(struct declaration_untagged_variant *untagged_variant_declaration, | |
473 | const char *field_name, | |
474 | struct declaration *field_declaration); | |
f6625916 | 475 | struct declaration_field * |
d60cb676 | 476 | untagged_variant_declaration_get_field_from_tag(struct declaration_untagged_variant *untagged_variant_declaration, |
1934b94f | 477 | GQuark tag); |
c054553d MD |
478 | /* |
479 | * Returns 0 on success, -EPERM on error. | |
480 | */ | |
e1151715 MD |
481 | int variant_definition_set_tag(struct definition_variant *variant, |
482 | struct definition *enum_tag); | |
c054553d MD |
483 | /* |
484 | * Returns the field selected by the current tag value. | |
485 | * field returned only valid as long as the variant structure is not appended | |
486 | * to. | |
487 | */ | |
b1a2f580 | 488 | struct definition *variant_get_current_field(struct definition_variant *variant); |
c5e74408 | 489 | int variant_rw(struct stream_pos *pos, struct definition *definition); |
c054553d | 490 | |
d06d03db | 491 | /* |
f6625916 MD |
492 | * elem_declaration passed as parameter now belongs to the array. No |
493 | * need to free it explicitly. "len" is the number of elements in the | |
494 | * array. | |
d06d03db | 495 | */ |
f6625916 | 496 | struct declaration_array * |
ab4cf058 | 497 | array_declaration_new(size_t len, struct declaration *elem_declaration, |
1934b94f | 498 | struct declaration_scope *parent_scope); |
3838df27 | 499 | uint64_t array_len(struct definition_array *array); |
0f980a35 | 500 | struct definition *array_index(struct definition_array *array, uint64_t i); |
c5e74408 | 501 | int array_rw(struct stream_pos *pos, struct definition *definition); |
343c801f | 502 | GString *get_char_array(struct definition *field); |
11796b96 | 503 | |
d06d03db | 504 | /* |
f6625916 MD |
505 | * int_declaration and elem_declaration passed as parameter now belong |
506 | * to the sequence. No need to free them explicitly. | |
d06d03db | 507 | */ |
f6625916 | 508 | struct declaration_sequence * |
98df1c9f | 509 | sequence_declaration_new(const char *length_name, |
1934b94f MD |
510 | struct declaration *elem_declaration, |
511 | struct declaration_scope *parent_scope); | |
3838df27 | 512 | uint64_t sequence_len(struct definition_sequence *sequence); |
0f980a35 | 513 | struct definition *sequence_index(struct definition_sequence *sequence, uint64_t i); |
c5e74408 | 514 | int sequence_rw(struct stream_pos *pos, struct definition *definition); |
11796b96 | 515 | |
d60cb676 MD |
516 | /* |
517 | * in: path (dot separated), out: q (GArray of GQuark) | |
518 | */ | |
519 | void append_scope_path(const char *path, GArray *q); | |
520 | ||
a35173fe MD |
521 | /* |
522 | * Lookup helpers. | |
523 | */ | |
620961f6 MD |
524 | struct definition *lookup_definition(struct definition *definition, |
525 | const char *field_name); | |
a35173fe MD |
526 | struct definition_integer *lookup_integer(struct definition *definition, |
527 | const char *field_name, | |
528 | int signedness); | |
529 | struct definition_enum *lookup_enum(struct definition *definition, | |
530 | const char *field_name, | |
531 | int signedness); | |
532 | struct definition *lookup_variant(struct definition *definition, | |
533 | const char *field_name); | |
534 | ||
31262354 | 535 | #endif /* _BABELTRACE_TYPES_H */ |