Commit | Line | Data |
---|---|---|
05628561 MD |
1 | /* |
2 | * ctf-visitor-generate-io-struct.c | |
3 | * | |
4 | * Common Trace Format Metadata Visitor (generate I/O structures). | |
5 | * | |
6 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <unistd.h> | |
21 | #include <string.h> | |
22 | #include <stdlib.h> | |
23 | #include <assert.h> | |
24 | #include <glib.h> | |
25 | #include <inttypes.h> | |
add40b62 | 26 | #include <endian.h> |
05628561 MD |
27 | #include <errno.h> |
28 | #include <babeltrace/list.h> | |
41253107 | 29 | #include <uuid/uuid.h> |
05628561 MD |
30 | #include "ctf-scanner.h" |
31 | #include "ctf-parser.h" | |
32 | #include "ctf-ast.h" | |
33 | ||
34 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) | |
35 | ||
de47353a MD |
36 | #define _cds_list_first_entry(ptr, type, member) \ |
37 | cds_list_entry((ptr)->next, type, member) | |
05628561 | 38 | |
a3cca9e9 MD |
39 | static |
40 | struct declaration *ctf_declaration_specifier_visit(FILE *fd, | |
add40b62 | 41 | int depth, struct cds_list_head *head, |
ab4cf058 MD |
42 | struct declaration_scope *declaration_scope, |
43 | struct ctf_trace *trace); | |
a3cca9e9 | 44 | |
05628561 | 45 | /* |
41253107 | 46 | * String returned must be freed by the caller using g_free. |
05628561 MD |
47 | */ |
48 | static | |
add40b62 | 49 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 50 | { |
41253107 MD |
51 | struct ctf_node *node; |
52 | GString *str; | |
53 | int i = 0; | |
54 | ||
55 | str = g_string_new(); | |
56 | cds_list_for_each_entry(node, head, siblings) { | |
57 | char *src_string; | |
58 | ||
59 | assert(node->type == NODE_UNARY_EXPRESSION); | |
60 | assert(node->u.unary_expression.type == UNARY_STRING); | |
61 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
62 | ^ (i != 0)) | |
63 | switch (node->u.unary_expression.link) { | |
64 | case UNARY_DOTLINK: | |
65 | g_string_append(str, ".") | |
66 | break; | |
67 | case UNARY_ARROWLINK: | |
68 | g_string_append(str, "->") | |
69 | break; | |
70 | case UNARY_DOTDOTDOT: | |
71 | g_string_append(str, "...") | |
72 | break; | |
73 | } | |
74 | src_string = u.unary_expression.u.string; | |
75 | g_string_append(str, src_string); | |
76 | i++; | |
77 | } | |
78 | return g_string_free(str, FALSE); | |
05628561 MD |
79 | } |
80 | ||
81 | static | |
add40b62 | 82 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 83 | { |
41253107 MD |
84 | struct ctf_node *node; |
85 | int i = 0; | |
86 | ||
87 | cds_list_for_each_entry(node, head, siblings) { | |
88 | assert(node->type == NODE_UNARY_EXPRESSION); | |
89 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
90 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
91 | assert(i == 0); | |
92 | *value = node->u.unary_expression.unsigned_constant | |
93 | i++; | |
94 | } | |
95 | return 0; | |
05628561 MD |
96 | } |
97 | ||
98 | static | |
add40b62 | 99 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 100 | { |
41253107 MD |
101 | struct ctf_node *node; |
102 | int i = 0; | |
103 | int ret = -1; | |
104 | ||
105 | cds_list_for_each_entry(node, head, siblings) { | |
106 | const char *src_string; | |
107 | ||
108 | assert(node->type == NODE_UNARY_EXPRESSION); | |
109 | assert(node->u.unary_expression.type == UNARY_STRING); | |
110 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
111 | assert(i == 0); | |
112 | src_string = u.unary_expression.u.string; | |
113 | ret = uuid_parse(u.unary_expression.u.string, *uuid); | |
114 | } | |
115 | return ret; | |
05628561 MD |
116 | } |
117 | ||
118 | static | |
119 | struct ctf_stream *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) | |
120 | { | |
121 | if (trace->streams->len <= stream_id) | |
122 | return NULL; | |
123 | return g_ptr_array_index(trace->streams, stream_id); | |
124 | } | |
125 | ||
add40b62 MD |
126 | static |
127 | void visit_declaration_specifier(struct cds_list_head *declaration_specifier, GString *str) | |
128 | { | |
129 | struct ctf_node *iter; | |
130 | int alias_item_nr = 0; | |
131 | int err; | |
132 | ||
133 | cds_list_for_each_entry(iter, declaration_specifier, siblings) { | |
134 | if (alias_item_nr != 0) | |
135 | g_string_append(str, " "); | |
136 | alias_item_nr++; | |
137 | ||
138 | switch (iter->type) { | |
139 | case NODE_TYPE_SPECIFIER: | |
140 | switch (iter->u.type_specifier.type) { | |
141 | case TYPESPEC_VOID: | |
142 | g_string_append(str, "void"); | |
143 | break; | |
144 | case TYPESPEC_CHAR: | |
145 | g_string_append(str, "char"); | |
146 | break; | |
147 | case TYPESPEC_SHORT: | |
148 | g_string_append(str, "short"); | |
149 | break; | |
150 | case TYPESPEC_INT: | |
151 | g_string_append(str, "int"); | |
152 | break; | |
153 | case TYPESPEC_LONG: | |
154 | g_string_append(str, "long"); | |
155 | break; | |
156 | case TYPESPEC_FLOAT: | |
157 | g_string_append(str, "float"); | |
158 | break; | |
159 | case TYPESPEC_DOUBLE: | |
160 | g_string_append(str, "double"); | |
161 | break; | |
162 | case TYPESPEC_SIGNED: | |
163 | g_string_append(str, "signed"); | |
164 | break; | |
165 | case TYPESPEC_UNSIGNED: | |
166 | g_string_append(str, "unsigned"); | |
167 | break; | |
168 | case TYPESPEC_BOOL: | |
169 | g_string_append(str, "bool"); | |
170 | break; | |
171 | case TYPESPEC_COMPLEX: | |
172 | g_string_append(str, "_Complex"); | |
173 | break; | |
174 | case TYPESPEC_IMAGINARY: | |
175 | g_string_append(str, "_Imaginary"); | |
176 | break; | |
177 | case TYPESPEC_CONST: | |
178 | g_string_append(str, "const"); | |
179 | break; | |
180 | case TYPESPEC_ID_TYPE: | |
181 | if (iter->u.type_specifier.id_type) | |
182 | g_string_append(str, iter->u.type_specifier.id_type); | |
183 | break; | |
184 | default: | |
185 | fprintf(stderr, "[error] %s: unknown specifier\n", __func__); | |
186 | err = -EINVAL; | |
187 | goto error; | |
188 | } | |
189 | break; | |
190 | case NODE_ENUM: | |
191 | if (!iter->u._enum.enum_id) { | |
192 | fprintf(stderr, "[error] %s: unexpected empty enum ID\n", __func__); | |
193 | err = -EINVAL; | |
194 | goto error; | |
195 | } | |
196 | g_string_append(str, "enum "); | |
197 | g_string_append(str, iter->u._enum.enum_id); | |
198 | break; | |
199 | case NODE_VARIANT: | |
200 | if (!iter->u.variant.name) { | |
201 | fprintf(stderr, "[error] %s: unexpected empty variant name\n", __func__); | |
202 | err = -EINVAL; | |
203 | goto error; | |
204 | } | |
205 | g_string_append(str, "variant "); | |
206 | g_string_append(str, iter->u.variant.name); | |
207 | break; | |
208 | case NODE_STRUCT: | |
209 | if (!iter->u._struct.name) { | |
210 | fprintf(stderr, "[error] %s: unexpected empty variant name\n", __func__); | |
211 | err = -EINVAL; | |
212 | goto error; | |
213 | } | |
214 | g_string_append(str, "struct "); | |
215 | g_string_append(str, iter->u._struct.name); | |
216 | break; | |
217 | default: | |
218 | fprintf(stderr, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); | |
219 | err = -EINVAL; | |
220 | goto error; | |
221 | } | |
222 | } | |
223 | return 0; | |
224 | error: | |
225 | return err; | |
226 | } | |
227 | ||
228 | static | |
229 | GQuark create_typealias_identifier(int fd, int depth, | |
230 | struct cds_list_head *declaration_specifier, | |
231 | struct ctf_node *node_type_declarator) | |
232 | { | |
233 | GString *str; | |
234 | const char *str_c; | |
235 | GQuark alias_q; | |
236 | int ret; | |
237 | ||
238 | str = g_string_new(); | |
239 | ret = visit_declaration_specifier(declaration_specifier, str); | |
240 | if (ret) { | |
241 | g_string_free(str, TRUE); | |
242 | return 0; | |
243 | } | |
244 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
245 | g_string_append(str, " *"); | |
246 | if (iter->u.pointer.const_qualifier) | |
247 | g_string_append(str, " const"); | |
248 | } | |
249 | str_c = g_string_free(str, FALSE); | |
250 | alias_q = g_quark_from_string(str_c); | |
251 | g_free(str_c); | |
252 | return alias_q; | |
253 | } | |
254 | ||
a3cca9e9 MD |
255 | static |
256 | struct declaration *ctf_type_declarator_visit(int fd, int depth, | |
257 | struct cds_list_head *declaration_specifier, | |
258 | GQuark *field_name, | |
259 | struct ctf_node *node_type_declarator, | |
add40b62 | 260 | struct declaration_scope *declaration_scope, |
a3cca9e9 MD |
261 | struct declaration *nested_declaration) |
262 | { | |
263 | /* | |
264 | * Visit type declarator by first taking care of sequence/array | |
265 | * (recursively). Then, when we get to the identifier, take care | |
266 | * of pointers. | |
267 | */ | |
268 | ||
269 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 270 | |
a3cca9e9 | 271 | /* TODO: gcc bitfields not supported yet. */ |
add40b62 MD |
272 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { |
273 | fprintf(stderr, "[error] %s: gcc bitfields are not supported yet.\n", __func__); | |
274 | return NULL; | |
275 | } | |
a3cca9e9 MD |
276 | |
277 | if (!nested_declaration) { | |
278 | if (!cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { | |
add40b62 MD |
279 | GQuark alias_q; |
280 | ||
a3cca9e9 MD |
281 | /* |
282 | * If we have a pointer declarator, it _has_ to be present in | |
283 | * the typealiases (else fail). | |
284 | */ | |
add40b62 MD |
285 | alias_q = create_typealias_identifier(fd, depth, |
286 | declaration_specifier, node_type_declarator); | |
287 | nested_declaration = lookup_declaration(alias_q, declaration_scope); | |
288 | if (!nested_declaration) { | |
289 | fprintf(stderr, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); | |
290 | return NULL; | |
291 | } | |
a3cca9e9 MD |
292 | } else { |
293 | nested_declaration = /* parse declaration_specifier */; | |
294 | } | |
a3cca9e9 MD |
295 | } |
296 | ||
297 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { | |
298 | if (node_type_declarator->u.type_declarator.u.id) | |
299 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
300 | else | |
301 | *field_name = 0; | |
302 | return nested_declaration; | |
303 | } else { | |
304 | struct declaration *declaration; | |
305 | struct node *length; | |
306 | ||
307 | /* TYPEDEC_NESTED */ | |
308 | ||
309 | /* create array/sequence, pass nested_declaration as child. */ | |
310 | length = node_type_declarator->u.type_declarator.u.nested.length; | |
311 | if (length) { | |
312 | switch (length->type) { | |
313 | case NODE_UNARY_EXPRESSION: | |
314 | /* Array */ | |
add40b62 MD |
315 | /* TODO */ |
316 | ............. | |
a3cca9e9 MD |
317 | declaration = /* create array */; |
318 | break; | |
319 | case NODE_TYPE_SPECIFIER: | |
320 | /* Sequence */ | |
321 | declaration = /* create sequence */; | |
322 | break; | |
323 | default: | |
324 | assert(0); | |
325 | } | |
326 | } | |
327 | ||
328 | /* Pass it as content of outer container */ | |
329 | declaration = ctf_type_declarator_visit(fd, depth, | |
330 | declaration_specifier, field_name, | |
331 | node_type_declarator->u.type_declarator.u.nested.type_declarator, | |
332 | declaration_scope, declaration); | |
333 | return declaration; | |
334 | } | |
335 | } | |
336 | ||
337 | static | |
338 | int ctf_struct_type_declarators_visit(int fd, int depth, | |
339 | struct declaration_struct *struct_declaration, | |
340 | struct cds_list_head *declaration_specifier, | |
341 | struct cds_list_head *type_declarators, | |
342 | struct declaration_scope *declaration_scope) | |
343 | { | |
344 | struct ctf_node *iter; | |
345 | GQuark field_name; | |
346 | ||
347 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
348 | struct declaration *field_declaration; | |
349 | ||
350 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
351 | declaration_specifier, | |
352 | &field_name, iter, | |
353 | struct_declaration->scope, | |
354 | NULL); | |
355 | struct_declaration_add_field(struct_declaration, | |
356 | g_quark_to_string(field_name), | |
357 | field_declaration); | |
358 | } | |
add40b62 MD |
359 | return 0; |
360 | } | |
a3cca9e9 | 361 | |
add40b62 MD |
362 | static |
363 | int ctf_variant_type_declarators_visit(int fd, int depth, | |
364 | struct declaration_variant *variant_declaration, | |
365 | struct cds_list_head *declaration_specifier, | |
366 | struct cds_list_head *type_declarators, | |
367 | struct declaration_scope *declaration_scope) | |
368 | { | |
369 | struct ctf_node *iter; | |
370 | GQuark field_name; | |
371 | ||
372 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
373 | struct declaration *field_declaration; | |
374 | ||
375 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
376 | declaration_specifier, | |
377 | &field_name, iter, | |
378 | variant_declaration->scope, | |
379 | NULL); | |
380 | variant_declaration_add_field(variant_declaration, | |
381 | g_quark_to_string(field_name), | |
382 | field_declaration); | |
383 | } | |
a3cca9e9 MD |
384 | return 0; |
385 | } | |
386 | ||
387 | static | |
388 | int ctf_typedef_visit(int fd, int depth, struct declaration_scope *scope, | |
389 | struct cds_list_head *declaration_specifier, | |
390 | struct cds_list_head *type_declarators) | |
391 | { | |
392 | struct ctf_node *iter; | |
393 | GQuark identifier; | |
394 | ||
395 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
396 | struct declaration *type_declaration; | |
397 | int ret; | |
398 | ||
399 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
400 | declaration_specifier, | |
401 | &identifier, iter, | |
402 | scope, NULL); | |
403 | ret = register_declaration(identifier, type_declaration, scope); | |
404 | if (ret) { | |
405 | type_declaration->declaration_free(type_declaration); | |
406 | return ret; | |
407 | } | |
408 | } | |
409 | return 0; | |
410 | } | |
411 | ||
412 | static | |
413 | int ctf_typealias_visit(int fd, int depth, struct declaration_scope *scope, | |
414 | struct ctf_node *target, struct ctf_node *alias) | |
415 | { | |
416 | struct declaration *type_declaration; | |
417 | struct ctf_node *iter, *node; | |
add40b62 | 418 | GQuark dummy_id; |
a3cca9e9 | 419 | GQuark alias_q; |
a3cca9e9 MD |
420 | |
421 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
422 | ||
423 | /* | |
424 | * Create target type declaration. | |
425 | */ | |
426 | ||
427 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
428 | &target->u.typealias_target.declaration_specifier, | |
429 | &dummy_id, &target->u.typealias_target.type_declarators, | |
430 | scope, NULL); | |
431 | if (!type_declaration) { | |
432 | fprintf(stderr, "[error] %s: problem creating type declaration\n", __func__); | |
433 | err = -EINVAL; | |
434 | goto error; | |
435 | } | |
436 | /* | |
437 | * The semantic validator does not check whether the target is | |
438 | * abstract or not (if it has an identifier). Check it here. | |
439 | */ | |
440 | if (dummy_id != 0) { | |
441 | fprintf(stderr, "[error] %s: expecting empty identifier\n", __func__); | |
442 | err = -EINVAL; | |
443 | goto error; | |
444 | } | |
445 | /* | |
446 | * Create alias identifier. | |
447 | */ | |
a3cca9e9 MD |
448 | |
449 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
add40b62 MD |
450 | struct node, siblings); |
451 | alias_q = create_typealias_identifier(fd, depth, | |
452 | &alias->u.typealias_alias.declaration_specifier, node); | |
a3cca9e9 MD |
453 | ret = register_declaration(alias_q, type_declaration, scope); |
454 | if (ret) | |
455 | goto error; | |
456 | return 0; | |
457 | ||
458 | error: | |
459 | type_declaration->declaration_free(type_declaration); | |
460 | return ret; | |
461 | } | |
462 | ||
463 | static | |
464 | int ctf_struct_declaration_list_visit(int fd, int depth, | |
465 | struct ctf_node *iter, struct declaration_struct *struct_declaration) | |
466 | { | |
467 | struct declaration *declaration; | |
468 | int ret; | |
469 | ||
470 | switch (iter->type) { | |
471 | case NODE_TYPEDEF: | |
472 | /* For each declarator, declare type and add type to struct declaration scope */ | |
473 | ret = ctf_typedef_visit(fd, depth, | |
474 | struct_declaration->scope, | |
475 | &iter->u._typedef.declaration_specifier, | |
476 | &iter->u._typedef.type_declarators); | |
477 | if (ret) | |
478 | return ret; | |
479 | break; | |
480 | case NODE_TYPEALIAS: | |
481 | /* Declare type with declarator and add type to struct declaration scope */ | |
482 | ret = ctf_typealias_visit(fd, depth, | |
483 | struct_declaration->scope, | |
484 | iter->u.typealias.target, | |
485 | iter->u.typealias.alias); | |
486 | if (ret) | |
487 | return ret; | |
488 | break; | |
489 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
490 | /* Add field to structure declaration */ | |
491 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
492 | struct_declaration, | |
493 | &iter->u.struct_or_variant_declaration.declaration_specifier, | |
494 | &iter->u.struct_or_variant_declaration.type_declarators); | |
495 | if (ret) | |
496 | return ret; | |
497 | break; | |
498 | default: | |
499 | fprintf(stderr, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); | |
500 | assert(0); | |
501 | } | |
502 | return 0; | |
503 | } | |
504 | ||
add40b62 MD |
505 | static |
506 | int ctf_variant_declaration_list_visit(int fd, int depth, | |
507 | struct ctf_node *iter, struct declaration_variant *variant_declaration) | |
508 | { | |
509 | struct declaration *declaration; | |
510 | int ret; | |
511 | ||
512 | switch (iter->type) { | |
513 | case NODE_TYPEDEF: | |
514 | /* For each declarator, declare type and add type to variant declaration scope */ | |
515 | ret = ctf_typedef_visit(fd, depth, | |
516 | variant_declaration->scope, | |
517 | &iter->u._typedef.declaration_specifier, | |
518 | &iter->u._typedef.type_declarators); | |
519 | if (ret) | |
520 | return ret; | |
521 | break; | |
522 | case NODE_TYPEALIAS: | |
523 | /* Declare type with declarator and add type to variant declaration scope */ | |
524 | ret = ctf_typealias_visit(fd, depth, | |
525 | variant_declaration->scope, | |
526 | iter->u.typealias.target, | |
527 | iter->u.typealias.alias); | |
528 | if (ret) | |
529 | return ret; | |
530 | break; | |
531 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
532 | /* Add field to structure declaration */ | |
533 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
534 | variant_declaration, | |
535 | &iter->u.struct_or_variant_declaration.declaration_specifier, | |
536 | &iter->u.struct_or_variant_declaration.type_declarators); | |
537 | if (ret) | |
538 | return ret; | |
539 | break; | |
540 | default: | |
541 | fprintf(stderr, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); | |
542 | assert(0); | |
543 | } | |
544 | return 0; | |
545 | } | |
546 | ||
a3cca9e9 MD |
547 | static |
548 | struct declaration_struct *ctf_declaration_struct_visit(FILE *fd, | |
549 | int depth, const char *name, struct cds_list_head *declaration_list, | |
550 | int has_body, struct declaration_scope *declaration_scope) | |
551 | { | |
552 | struct declaration *declaration; | |
553 | struct declaration_struct *struct_declaration; | |
554 | struct ctf_node *iter; | |
555 | ||
556 | /* | |
557 | * For named struct (without body), lookup in | |
558 | * declaration scope. Don't take reference on struct | |
559 | * declaration: ref is only taken upon definition. | |
560 | */ | |
561 | if (!has_body) { | |
562 | assert(name); | |
563 | struct_declaration = | |
564 | lookup_struct_declaration(g_quark_from_string(name), | |
565 | declaration_scope); | |
566 | return struct_declaration; | |
567 | } else { | |
568 | /* For unnamed struct, create type */ | |
569 | /* For named struct (with body), create type and add to declaration scope */ | |
570 | if (name) { | |
571 | if (lookup_struct_declaration(g_quark_from_string(name), | |
572 | declaration_scope)) { | |
573 | ||
add40b62 | 574 | fprintf(stderr, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
575 | return NULL; |
576 | } | |
577 | } | |
578 | struct_declaration = struct_declaration_new(name, declaration_scope); | |
579 | cds_list_for_each_entry(iter, declaration_list, siblings) { | |
add40b62 | 580 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, struct_declaration); |
a3cca9e9 MD |
581 | if (ret) |
582 | goto error; | |
583 | } | |
584 | if (name) { | |
585 | ret = register_struct_declaration(g_quark_from_string(name), | |
586 | struct_declaration, | |
587 | declaration_scope); | |
588 | assert(!ret); | |
589 | } | |
590 | return struct_declaration; | |
591 | } | |
592 | error: | |
593 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
594 | return NULL; | |
595 | } | |
596 | ||
05628561 | 597 | static |
add40b62 MD |
598 | struct declaration_variant *ctf_declaration_variant_visit(FILE *fd, |
599 | int depth, const char *name, struct cds_list_head *declaration_list, | |
600 | int has_body, struct declaration_scope *declaration_scope) | |
05628561 | 601 | { |
a3cca9e9 | 602 | struct declaration *declaration; |
add40b62 MD |
603 | struct declaration_variant *variant_declaration; |
604 | struct ctf_node *iter; | |
de47353a | 605 | |
add40b62 MD |
606 | /* |
607 | * For named variant (without body), lookup in | |
608 | * declaration scope. Don't take reference on variant | |
609 | * declaration: ref is only taken upon definition. | |
610 | */ | |
611 | if (!has_body) { | |
612 | assert(name); | |
613 | variant_declaration = | |
614 | lookup_variant_declaration(g_quark_from_string(name), | |
615 | declaration_scope); | |
616 | return variant_declaration; | |
617 | } else { | |
de47353a | 618 | /* For unnamed variant, create type */ |
add40b62 MD |
619 | /* For named variant (with body), create type and add to declaration scope */ |
620 | if (name) { | |
621 | if (lookup_variant_declaration(g_quark_from_string(name), | |
622 | declaration_scope)) { | |
623 | ||
624 | fprintf(stderr, "[error] %s: variant %s already declared in scope\n", __func__, name); | |
625 | return NULL; | |
626 | } | |
627 | } | |
628 | variant_declaration = variant_declaration_new(name, declaration_scope); | |
629 | cds_list_for_each_entry(iter, declaration_list, siblings) { | |
630 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, variant_declaration); | |
631 | if (ret) | |
632 | goto error; | |
633 | } | |
634 | if (name) { | |
635 | ret = register_variant_declaration(g_quark_from_string(name), | |
636 | variant_declaration, | |
637 | declaration_scope); | |
638 | assert(!ret); | |
639 | } | |
640 | return variant_declaration; | |
de47353a | 641 | } |
add40b62 MD |
642 | error: |
643 | variant_declaration->p.declaration_free(&variant_declaration->p); | |
644 | return NULL; | |
05628561 MD |
645 | } |
646 | ||
05628561 | 647 | static |
add40b62 MD |
648 | int ctf_enumerator_list_visit(int fd, int depth, |
649 | struct ctf_node *enumerator, | |
650 | struct declaration_enum *enum_declaration) | |
651 | { | |
1cfda062 MD |
652 | GQuark q; |
653 | struct ctf_node *iter; | |
654 | ||
655 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
656 | if (enum_declaration->integer->signedness) { | |
657 | int64_t start, end; | |
658 | int nr_vals = 0; | |
659 | ||
660 | cds_list_for_each_entry(iter, enumerator->u.enumerator.values, siblings) { | |
661 | int64_t *target; | |
662 | ||
663 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
664 | if (nr_vals == 0) | |
665 | target = &start; | |
666 | else | |
667 | target = &end; | |
668 | ||
669 | switch (iter->u.unary_expression.type) { | |
670 | case UNARY_SIGNED_CONSTANT: | |
671 | *target = iter->u.unary_expression.u.signed_constant; | |
672 | break; | |
673 | case UNARY_UNSIGNED_CONSTANT: | |
674 | *target = iter->u.unary_expression.u.unsigned_constant; | |
675 | break; | |
676 | default: | |
677 | fprintf(stderr, "[error] %s: invalid enumerator\n", __func__); | |
678 | return -EINVAL; | |
679 | } | |
680 | if (nr_vals > 1) { | |
681 | fprintf(stderr, "[error] %s: invalid enumerator\n", __func__); | |
682 | return -EINVAL; | |
683 | } | |
684 | nr_vals++; | |
685 | } | |
686 | if (nr_vals == 1) | |
687 | end = start; | |
688 | enum_signed_insert(enum_declaration, start, end, q); | |
689 | } else | |
690 | uint64_t start, end; | |
691 | int nr_vals = 0; | |
692 | ||
693 | cds_list_for_each_entry(iter, enumerator->u.enumerator.values, siblings) { | |
694 | int64_t *target; | |
695 | ||
696 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
697 | if (nr_vals == 0) | |
698 | target = &start; | |
699 | else | |
700 | target = &end; | |
701 | ||
702 | switch (iter->u.unary_expression.type) { | |
703 | case UNARY_UNSIGNED_CONSTANT: | |
704 | *target = iter->u.unary_expression.u.unsigned_constant; | |
705 | break; | |
706 | case UNARY_SIGNED_CONSTANT: | |
707 | /* | |
708 | * We don't accept signed constants for enums with unsigned | |
709 | * container type. | |
710 | */ | |
711 | fprintf(stderr, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); | |
712 | return -EINVAL; | |
713 | default: | |
714 | fprintf(stderr, "[error] %s: invalid enumerator\n", __func__); | |
715 | return -EINVAL; | |
716 | } | |
717 | if (nr_vals > 1) { | |
718 | fprintf(stderr, "[error] %s: invalid enumerator\n", __func__); | |
719 | return -EINVAL; | |
720 | } | |
721 | nr_vals++; | |
722 | } | |
723 | if (nr_vals == 1) | |
724 | end = start; | |
725 | enum_unsigned_insert(enum_declaration, start, end, q); | |
726 | } | |
add40b62 MD |
727 | return 0; |
728 | } | |
729 | ||
730 | static | |
731 | struct declaration *ctf_declaration_enum_visit(int fd, int depth, | |
732 | const char *name, | |
1cfda062 | 733 | struct cds_list_head *container_type, |
add40b62 | 734 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
735 | int has_body, |
736 | struct declaration_scope *declaration_scope, | |
737 | struct ctf_trace *trace) | |
05628561 | 738 | { |
add40b62 MD |
739 | struct declaration *declaration; |
740 | struct declaration_enum *enum_declaration; | |
741 | struct declaration_integer *integer_declaration; | |
1cfda062 MD |
742 | struct ctf_node *iter, *first; |
743 | GQuark dummy_id; | |
add40b62 | 744 | |
05628561 | 745 | /* |
add40b62 MD |
746 | * For named enum (without body), lookup in |
747 | * declaration scope. Don't take reference on enum | |
748 | * declaration: ref is only taken upon definition. | |
05628561 | 749 | */ |
add40b62 MD |
750 | if (!has_body) { |
751 | assert(name); | |
752 | enum_declaration = | |
753 | lookup_enum_declaration(g_quark_from_string(name), | |
754 | declaration_scope); | |
755 | return enum_declaration; | |
756 | } else { | |
757 | /* For unnamed enum, create type */ | |
758 | /* For named enum (with body), create type and add to declaration scope */ | |
759 | if (name) { | |
760 | if (lookup_enum_declaration(g_quark_from_string(name), | |
761 | declaration_scope)) { | |
762 | ||
763 | fprintf(stderr, "[error] %s: enum %s already declared in scope\n", __func__, name); | |
764 | return NULL; | |
765 | } | |
766 | } | |
1cfda062 MD |
767 | if (cds_list_empty(container_type)) { |
768 | fprintf(stderr, "[error] %s: missing container type for enumeration\n", __func__, name); | |
769 | return NULL; | |
770 | ||
771 | } | |
772 | first = _cds_list_first_entry(container_type, struct node, siblings); | |
773 | switch (first->type) { | |
774 | case NODE_INTEGER: | |
775 | case NODE_TYPE_SPECIFIER: | |
776 | declaration = ctf_type_declarator_visit(fd, depth, | |
777 | container_type, | |
778 | &dummy_id, iter, | |
779 | declaration_scope, | |
780 | NULL); | |
781 | assert(declaration->id == CTF_TYPE_INTEGER); | |
782 | integer_declaration = container_of(declaration, struct declaration_integer, p); | |
783 | break; | |
784 | } | |
785 | default: | |
786 | assert(0); | |
787 | } | |
add40b62 MD |
788 | enum_declaration = enum_declaration_new(name, integer_declaration); |
789 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ | |
790 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
791 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
792 | if (ret) | |
793 | goto error; | |
794 | } | |
795 | if (name) { | |
796 | ret = register_enum_declaration(g_quark_from_string(name), | |
797 | enum_declaration, | |
798 | declaration_scope); | |
799 | assert(!ret); | |
800 | } | |
801 | return enum_declaration; | |
05628561 | 802 | } |
add40b62 MD |
803 | error: |
804 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
805 | return NULL; | |
05628561 MD |
806 | } |
807 | ||
808 | static | |
add40b62 MD |
809 | struct declaration *ctf_declaration_type_specifier_visit(int fd, int depth, |
810 | struct cds_list_head *declaration_specifier, | |
d20f5e59 | 811 | struct declaration_scope *declaration_scope) |
05628561 | 812 | { |
add40b62 MD |
813 | GString *str; |
814 | struct declaration *declaration; | |
815 | const char *str_c; | |
05628561 | 816 | |
add40b62 MD |
817 | str = g_string_new(); |
818 | ret = visit_declaration_specifier(declaration_specifier, str); | |
819 | if (ret) | |
820 | return NULL; | |
821 | str_c = g_string_free(str, FALSE); | |
822 | id_q = g_quark_from_string(str_c); | |
823 | g_free(str_c); | |
824 | declaration = lookup_declaration(id_q, declaration_scope); | |
825 | return declaration; | |
826 | } | |
827 | ||
ab4cf058 MD |
828 | /* |
829 | * Returns 0/1 boolean, or < 0 on error. | |
830 | */ | |
831 | static | |
832 | int get_boolean(int fd, int depth, struct node *unary_expression) | |
833 | { | |
834 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
835 | fprintf(stderr, "[error] %s: expecting unary expression\n", | |
836 | __func__); | |
837 | return -EINVAL; | |
838 | } | |
839 | switch (unary_expression->u.unary_expression.type) { | |
840 | case UNARY_UNSIGNED_CONSTANT: | |
841 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
842 | return 0; | |
843 | else | |
844 | return 1; | |
845 | case UNARY_SIGNED_CONSTANT: | |
846 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
847 | return 0; | |
848 | else | |
849 | return 1; | |
850 | case UNARY_STRING: | |
851 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
852 | return 1; | |
853 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
854 | return 1; | |
855 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
856 | return 0; | |
857 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
858 | return 0; | |
859 | else { | |
860 | fprintf(stderr, "[error] %s: unexpected string \"%s\"\n", | |
861 | __func__, unary_expression->u.unary_expression.u.string); | |
862 | return -EINVAL; | |
863 | } | |
864 | break; | |
865 | default: | |
866 | fprintf(stderr, "[error] %s: unexpected unary expression type\n", | |
867 | __func__); | |
868 | return -EINVAL; | |
869 | } | |
870 | ||
871 | } | |
872 | ||
873 | static | |
874 | int get_byte_order(int fd, int depth, struct node *unary_expression) | |
875 | { | |
876 | int byte_order; | |
877 | ||
878 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
879 | fprintf(stderr, "[error] %s: byte_order: expecting string\n", | |
880 | __func__); | |
881 | return -EINVAL; | |
882 | } | |
883 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
884 | byte_order = trace->byte_order; | |
885 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
886 | byte_order = BIG_ENDIAN; | |
887 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
888 | byte_order = BIG_ENDIAN; | |
889 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
890 | byte_order = LITTLE_ENDIAN; | |
891 | else { | |
892 | fprintf(stderr, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
893 | __func__, right->u.unary_expression.u.string); | |
894 | return -EINVAL; | |
895 | } | |
896 | return byte_order; | |
897 | } | |
898 | ||
add40b62 MD |
899 | static |
900 | struct declaration *ctf_declaration_integer_visit(int fd, int depth, | |
ab4cf058 MD |
901 | struct cds_list_head *expressions, |
902 | struct ctf_trace *trace) | |
add40b62 MD |
903 | { |
904 | struct node *expression; | |
ab4cf058 MD |
905 | uint64_t alignment, size; |
906 | int byte_order = trace->byte_order; | |
907 | int signedness = 0; | |
add40b62 MD |
908 | int has_alignment = 0, has_size = 0; |
909 | struct declaration_integer *integer_declaration; | |
910 | ||
911 | cds_list_for_each_entry(expression, expressions, siblings) { | |
912 | struct node *left, *right; | |
913 | ||
914 | left = expression->u.ctf_expression.left; | |
915 | right = expression->u.ctf_expression.right; | |
916 | assert(left->u.unary_expression.type == UNARY_STRING); | |
917 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
918 | signedness = get_boolean(fd, depth, right); |
919 | if (signedness < 0) | |
920 | return NULL; | |
add40b62 | 921 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
ab4cf058 MD |
922 | byte_order = get_byte_order(fd, depth, right); |
923 | if (byte_order < 0) | |
924 | return NULL; | |
add40b62 | 925 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 MD |
926 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
927 | fprintf(stderr, "[error] %s: size: expecting unsigned constant\n", | |
928 | __func__); | |
929 | return NULL; | |
930 | } | |
931 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
932 | has_size = 1; |
933 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 MD |
934 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
935 | fprintf(stderr, "[error] %s: align: expecting unsigned constant\n", | |
936 | __func__); | |
937 | return NULL; | |
938 | } | |
939 | alignment = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
940 | has_alignment = 1; |
941 | } else { | |
942 | fprintf(stderr, "[error] %s: unknown attribute name %s\n", | |
943 | __func__, left->u.unary_expression.u.string); | |
944 | return NULL; | |
945 | } | |
05628561 | 946 | } |
add40b62 MD |
947 | if (!has_size) { |
948 | fprintf(stderr, "[error] %s: missing size attribute\n", __func__); | |
949 | return NULL; | |
950 | } | |
ab4cf058 MD |
951 | if (!has_alignment) { |
952 | if (size % CHAR_BIT) { | |
953 | /* bit-packed alignment */ | |
954 | alignment = 1; | |
955 | } else { | |
956 | /* byte-packed alignment */ | |
957 | alignment = CHAR_BIT; | |
958 | } | |
959 | } | |
add40b62 MD |
960 | integer_declaration = integer_declaration_new(size, |
961 | byte_order, signedness, alignment); | |
962 | return &integer_declaration->p; | |
05628561 MD |
963 | } |
964 | ||
ab4cf058 MD |
965 | static |
966 | struct declaration *ctf_declaration_floating_point_visit(int fd, int depth, | |
967 | struct cds_list_head *expressions, | |
968 | struct ctf_trace *trace) | |
969 | { | |
970 | struct node *expression; | |
971 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; | |
972 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
973 | struct declaration_float *float_declaration; | |
974 | ||
975 | cds_list_for_each_entry(expression, expressions, siblings) { | |
976 | struct node *left, *right; | |
977 | ||
978 | left = expression->u.ctf_expression.left; | |
979 | right = expression->u.ctf_expression.right; | |
980 | assert(left->u.unary_expression.type == UNARY_STRING); | |
981 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
982 | byte_order = get_byte_order(fd, depth, right); | |
983 | if (byte_order < 0) | |
984 | return NULL; | |
985 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
986 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
987 | fprintf(stderr, "[error] %s: exp_dig: expecting unsigned constant\n", | |
988 | __func__); | |
989 | return NULL; | |
990 | } | |
991 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
992 | has_exp_dig = 1; | |
993 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
994 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
995 | fprintf(stderr, "[error] %s: mant_dig: expecting unsigned constant\n", | |
996 | __func__); | |
997 | return NULL; | |
998 | } | |
999 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1000 | has_mant_dig = 1; | |
1001 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1002 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
1003 | fprintf(stderr, "[error] %s: align: expecting unsigned constant\n", | |
1004 | __func__); | |
1005 | return NULL; | |
1006 | } | |
1007 | alignment = right->u.unary_expression.u.unsigned_constant; | |
1008 | has_alignment = 1; | |
1009 | } else { | |
1010 | fprintf(stderr, "[error] %s: unknown attribute name %s\n", | |
1011 | __func__, left->u.unary_expression.u.string); | |
1012 | return NULL; | |
1013 | } | |
1014 | } | |
1015 | if (!has_mant_dig) { | |
1016 | fprintf(stderr, "[error] %s: missing mant_dig attribute\n", __func__); | |
1017 | return NULL; | |
1018 | } | |
1019 | if (!has_exp_dig) { | |
1020 | fprintf(stderr, "[error] %s: missing exp_dig attribute\n", __func__); | |
1021 | return NULL; | |
1022 | } | |
1023 | if (!has_alignment) { | |
1024 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1025 | /* bit-packed alignment */ | |
1026 | alignment = 1; | |
1027 | } else { | |
1028 | /* byte-packed alignment */ | |
1029 | alignment = CHAR_BIT; | |
1030 | } | |
1031 | } | |
1032 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1033 | byte_order, alignment); | |
1034 | return &float_declaration->p; | |
1035 | } | |
1036 | ||
1037 | static | |
1038 | struct declaration *ctf_declaration_string_visit(int fd, int depth, | |
1039 | struct cds_list_head *expressions, | |
1040 | struct ctf_trace *trace) | |
1041 | { | |
1042 | struct node *expression; | |
1043 | const char *encoding_c = NULL; | |
1044 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1045 | struct declaration_string *string_declaration; | |
1046 | ||
1047 | cds_list_for_each_entry(expression, expressions, siblings) { | |
1048 | struct node *left, *right; | |
1049 | ||
1050 | left = expression->u.ctf_expression.left; | |
1051 | right = expression->u.ctf_expression.right; | |
1052 | assert(left->u.unary_expression.type == UNARY_STRING); | |
1053 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
1054 | if (right->u.unary_expression.type != UNARY_UNSIGNED_STRING) { | |
1055 | fprintf(stderr, "[error] %s: encoding: expecting string\n", | |
1056 | __func__); | |
1057 | return NULL; | |
1058 | } | |
1059 | encoding_c = right->u.unary_expression.u.string; | |
1060 | } else { | |
1061 | fprintf(stderr, "[error] %s: unknown attribute name %s\n", | |
1062 | __func__, left->u.unary_expression.u.string); | |
1063 | return NULL; | |
1064 | } | |
1065 | } | |
1066 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1067 | encoding = CTF_STRING_ASCII; | |
1068 | string_declaration = string_declaration_new(encoding); | |
1069 | return &string_declaration->p; | |
1070 | } | |
1071 | ||
1072 | ||
add40b62 MD |
1073 | /* |
1074 | * Also add named variant, struct or enum to the current declaration scope. | |
1075 | */ | |
05628561 | 1076 | static |
add40b62 MD |
1077 | struct declaration *ctf_declaration_specifier_visit(FILE *fd, |
1078 | int depth, struct cds_list_head *head, | |
ab4cf058 MD |
1079 | struct declaration_scope *declaration_scope, |
1080 | struct ctf_trace *trace) | |
05628561 | 1081 | { |
add40b62 MD |
1082 | struct declaration *declaration; |
1083 | struct node *first; | |
d20f5e59 | 1084 | |
add40b62 | 1085 | first = _cds_list_first_entry(head, struct node, siblings); |
05628561 | 1086 | |
add40b62 MD |
1087 | switch (first->type) { |
1088 | case NODE_STRUCT: | |
1089 | return ctf_declaration_struct_visit(fd, depth, | |
1090 | first->u._struct.name, | |
1091 | &first->u._struct.declaration_list, | |
1092 | first->u._struct.has_body, | |
ab4cf058 MD |
1093 | declaration_scope, |
1094 | trace); | |
add40b62 MD |
1095 | case NODE_VARIANT: |
1096 | return ctf_declaration_variant_visit(fd, depth, | |
1097 | first->u.variant.name, | |
1098 | &first->u.variant.declaration_list, | |
1099 | first->u.variant.has_body, | |
ab4cf058 MD |
1100 | declaration_scope, |
1101 | trace); | |
add40b62 MD |
1102 | case NODE_ENUM: |
1103 | return ctf_declaration_enum_visit(fd, depth, | |
1104 | first->u._enum.enum_id, | |
1cfda062 | 1105 | &first->u._enum.container_type, |
add40b62 | 1106 | &first->u._enum.enumerator_list, |
ab4cf058 | 1107 | first->u._enum.has_body, |
1cfda062 | 1108 | declaration_scope, |
ab4cf058 | 1109 | trace); |
add40b62 MD |
1110 | case NODE_INTEGER: |
1111 | return ctf_declaration_integer_visit(fd, depth, | |
ab4cf058 MD |
1112 | &first->u.integer.expressions, trace); |
1113 | case NODE_FLOATING_POINT: | |
add40b62 | 1114 | return ctf_declaration_floating_point_visit(fd, depth, |
ab4cf058 MD |
1115 | &first->u.floating_point.expressions, trace); |
1116 | case NODE_STRING: | |
add40b62 | 1117 | return ctf_declaration_string_visit(fd, depth, |
ab4cf058 | 1118 | &first->u.string.expressions, trace); |
add40b62 MD |
1119 | case NODE_TYPE_SPECIFIER: |
1120 | return ctf_declaration_type_specifier_visit(fd, depth, | |
ab4cf058 | 1121 | head, declaration_scope, trace); |
add40b62 | 1122 | } |
05628561 MD |
1123 | } |
1124 | ||
1125 | static | |
1126 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1127 | { | |
1128 | int ret = 0; | |
1129 | ||
1130 | switch (node->type) { | |
1131 | case NODE_TYPEDEF: | |
1132 | ret = ctf_typedef_visit(fd, depth + 1, | |
1133 | &node->u._typedef.declaration_specifier, | |
1134 | &node->u._typedef.type_declarators, | |
d20f5e59 | 1135 | event->declaration_scope); |
05628561 MD |
1136 | if (ret) |
1137 | return ret; | |
1138 | break; | |
1139 | case NODE_TYPEALIAS: | |
1140 | ret = ctf_typealias_visit(fd, depth + 1, | |
1141 | &node->u.typealias.target, &node->u.typealias.alias | |
d20f5e59 | 1142 | event->declaration_scope); |
05628561 MD |
1143 | if (ret) |
1144 | return ret; | |
1145 | break; | |
1146 | case NODE_CTF_EXPRESSION: | |
1147 | { | |
1148 | char *left; | |
1149 | ||
1150 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1151 | if (!strcmp(left, "name")) { | |
1152 | char *right; | |
1153 | ||
1154 | if (CTF_EVENT_FIELD_IS_SET(event, name)) | |
1155 | return -EPERM; | |
1156 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
1157 | if (!right) { | |
1158 | fprintf(stderr, "[error] %s: unexpected unary expression for event name\n", __func__); | |
1159 | return -EINVAL; | |
1160 | } | |
1161 | event->name = g_quark_from_string(right); | |
41253107 | 1162 | g_free(right); |
05628561 MD |
1163 | CTF_EVENT_SET_FIELD(event, name); |
1164 | } else if (!strcmp(left, "id")) { | |
1165 | if (CTF_EVENT_FIELD_IS_SET(event, id)) | |
1166 | return -EPERM; | |
1167 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); | |
1168 | if (ret) { | |
1169 | fprintf(stderr, "[error] %s: unexpected unary expression for event id\n", __func__); | |
1170 | return -EINVAL; | |
1171 | } | |
1172 | CTF_EVENT_SET_FIELD(event, id); | |
1173 | } else if (!strcmp(left, "stream_id")) { | |
1174 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) | |
1175 | return -EPERM; | |
1176 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); | |
1177 | if (ret) { | |
1178 | fprintf(stderr, "[error] %s: unexpected unary expression for event stream_id\n", __func__); | |
1179 | return -EINVAL; | |
1180 | } | |
1181 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1182 | if (!event->stream) { | |
1183 | fprintf(stderr, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); | |
1184 | return -EINVAL; | |
1185 | } | |
05628561 MD |
1186 | CTF_EVENT_SET_FIELD(event, stream_id); |
1187 | } else if (!strcmp(left, "context")) { | |
1188 | struct declaration *declaration; | |
1189 | ||
e1151715 | 1190 | if (!event->definition_scope) |
05628561 MD |
1191 | return -EPERM; |
1192 | declaration = ctf_declaration_specifier_visit(fd, depth, | |
1193 | &node->u.ctf_expression.right, | |
ab4cf058 | 1194 | event->declaration_scope, trace); |
05628561 MD |
1195 | if (!declaration) |
1196 | return -EPERM; | |
1197 | if (declaration->type->id != CTF_TYPE_STRUCT) | |
1198 | return -EPERM; | |
9e29e16e | 1199 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1200 | } else if (!strcmp(left, "fields")) { |
1201 | struct declaration *declaration; | |
1202 | ||
e1151715 | 1203 | if (!event->definition_scope) |
05628561 MD |
1204 | return -EPERM; |
1205 | declaration = ctf_declaration_specifier_visit(fd, depth, | |
1206 | &node->u.ctf_expression.right, | |
ab4cf058 | 1207 | event->declaration_scope, trace); |
05628561 MD |
1208 | if (!declaration) |
1209 | return -EPERM; | |
1210 | if (declaration->type->id != CTF_TYPE_STRUCT) | |
1211 | return -EPERM; | |
9e29e16e | 1212 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1213 | } |
41253107 | 1214 | g_free(left); |
05628561 MD |
1215 | break; |
1216 | } | |
1217 | default: | |
1218 | return -EPERM; | |
1219 | /* TODO: declaration specifier should be added. */ | |
1220 | } | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | static | |
1226 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1227 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1228 | { |
1229 | int ret = 0; | |
1230 | struct ctf_node *iter; | |
1231 | struct ctf_event *event; | |
9e29e16e | 1232 | struct definition_scope *parent_def_scope; |
05628561 MD |
1233 | |
1234 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1235 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1236 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1237 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1238 | if (ret) | |
1239 | goto error; | |
1240 | } | |
1241 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1242 | ret = -EPERM; | |
1243 | goto error; | |
1244 | } | |
1245 | if (!CTF_EVENT_FIELD_IS_SET(event, id)) { | |
1246 | ret = -EPERM; | |
1247 | goto error; | |
1248 | } | |
1249 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { | |
1250 | ret = -EPERM; | |
1251 | goto error; | |
1252 | } | |
1253 | if (event->stream->events_by_id->len <= event->id) | |
1254 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1255 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1256 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1257 | (gpointer)(unsigned long) event->name, | |
1258 | &event->id); | |
41253107 | 1259 | parent_def_scope = stream->definition_scope; |
9e29e16e MD |
1260 | if (event->context_decl) { |
1261 | event->context = | |
1262 | event->context_decl->definition_new(event->context_decl, | |
41253107 | 1263 | parent_def_scope, 0, 0); |
6a36ddca MD |
1264 | set_dynamic_definition_scope(&event->context->p, |
1265 | event->context->scope, | |
d00d17d1 | 1266 | "event.context"); |
9e29e16e MD |
1267 | parent_def_scope = event->context->scope; |
1268 | declaration_unref(event->context_decl); | |
1269 | } | |
1270 | if (event->fields_decl) { | |
1271 | event->fields = | |
1272 | event->fields_decl->definition_new(event->fields_decl, | |
41253107 | 1273 | parent_def_scope, 0, 0); |
6a36ddca MD |
1274 | set_dynamic_definition_scope(&event->fields->p, |
1275 | event->fields->scope, | |
d00d17d1 | 1276 | "event.fields"); |
9e29e16e MD |
1277 | parent_def_scope = event->fields->scope; |
1278 | declaration_unref(event->fields_decl); | |
1279 | } | |
05628561 MD |
1280 | return 0; |
1281 | ||
1282 | error: | |
9e29e16e MD |
1283 | declaration_unref(event->fields_decl); |
1284 | declaration_unref(event->context_decl); | |
e1151715 | 1285 | free_definition_scope(event->definition_scope); |
d20f5e59 | 1286 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1287 | g_free(event); |
1288 | return ret; | |
1289 | } | |
1290 | ||
1291 | ||
1292 | static | |
1293 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream *stream, struct ctf_trace *trace) | |
1294 | { | |
1295 | int ret = 0; | |
1296 | ||
1297 | switch (node->type) { | |
1298 | case NODE_TYPEDEF: | |
1299 | ret = ctf_typedef_visit(fd, depth + 1, | |
1300 | &node->u._typedef.declaration_specifier, | |
1301 | &node->u._typedef.type_declarators, | |
d20f5e59 | 1302 | stream->declaration_scope); |
05628561 MD |
1303 | if (ret) |
1304 | return ret; | |
1305 | break; | |
1306 | case NODE_TYPEALIAS: | |
1307 | ret = ctf_typealias_visit(fd, depth + 1, | |
1308 | &node->u.typealias.target, &node->u.typealias.alias | |
d20f5e59 | 1309 | stream->declaration_scope); |
05628561 MD |
1310 | if (ret) |
1311 | return ret; | |
1312 | break; | |
1313 | case NODE_CTF_EXPRESSION: | |
1314 | { | |
1315 | char *left; | |
1316 | ||
1317 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1318 | if (!strcmp(left, "stream_id")) { | |
1319 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) | |
1320 | return -EPERM; | |
1321 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); | |
1322 | if (ret) { | |
1323 | fprintf(stderr, "[error] %s: unexpected unary expression for event stream_id\n", __func__); | |
1324 | return -EINVAL; | |
1325 | } | |
1326 | CTF_EVENT_SET_FIELD(event, stream_id); | |
9e29e16e | 1327 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1328 | struct declaration *declaration; |
1329 | ||
1330 | declaration = ctf_declaration_specifier_visit(fd, depth, | |
1331 | &node->u.ctf_expression.right, | |
ab4cf058 | 1332 | stream->declaration_scope, stream->definition_scope, trace); |
05628561 MD |
1333 | if (!declaration) |
1334 | return -EPERM; | |
1335 | if (declaration->type->id != CTF_TYPE_STRUCT) | |
1336 | return -EPERM; | |
9e29e16e MD |
1337 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1338 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1339 | struct declaration *declaration; |
1340 | ||
1341 | declaration = ctf_declaration_specifier_visit(fd, depth, | |
1342 | &node->u.ctf_expression.right, | |
ab4cf058 | 1343 | stream->declaration_scope, trace); |
05628561 MD |
1344 | if (!declaration) |
1345 | return -EPERM; | |
1346 | if (declaration->type->id != CTF_TYPE_STRUCT) | |
1347 | return -EPERM; | |
9e29e16e MD |
1348 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1349 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1350 | struct declaration *declaration; |
1351 | ||
1352 | declaration = ctf_declaration_specifier_visit(fd, depth, | |
1353 | &node->u.ctf_expression.right, | |
ab4cf058 | 1354 | stream->declaration_scope, trace); |
05628561 MD |
1355 | if (!declaration) |
1356 | return -EPERM; | |
1357 | if (declaration->type->id != CTF_TYPE_STRUCT) | |
1358 | return -EPERM; | |
9e29e16e | 1359 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1360 | } |
41253107 | 1361 | g_free(left); |
05628561 MD |
1362 | break; |
1363 | } | |
1364 | default: | |
1365 | return -EPERM; | |
1366 | /* TODO: declaration specifier should be added. */ | |
1367 | } | |
1368 | ||
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | static | |
1373 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1374 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1375 | { |
1376 | int ret = 0; | |
1377 | struct ctf_node *iter; | |
1378 | struct ctf_stream *stream; | |
9e29e16e | 1379 | struct definition_scope *parent_def_scope; |
05628561 MD |
1380 | |
1381 | stream = g_new0(struct ctf_stream, 1); | |
d20f5e59 | 1382 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1383 | stream->events_by_id = g_ptr_array_new(); |
1384 | stream->event_quark_to_id = g_hash_table_new(g_int_hash, g_int_equal); | |
1385 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1386 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1387 | if (ret) | |
1388 | goto error; | |
1389 | } | |
1390 | if (!CTF_EVENT_FIELD_IS_SET(stream, stream_id)) { | |
1391 | ret = -EPERM; | |
1392 | goto error; | |
1393 | } | |
1394 | if (trace->streams->len <= stream->stream_id) | |
1395 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1396 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1397 | |
41253107 | 1398 | parent_def_scope = NULL; |
9e29e16e MD |
1399 | if (stream->packet_context_decl) { |
1400 | stream->packet_context = | |
1401 | stream->packet_context_decl->definition_new(stream->packet_context_decl, | |
41253107 | 1402 | parent_def_scope, 0, 0); |
6a36ddca MD |
1403 | set_dynamic_definition_scope(&stream->packet_context->p, |
1404 | stream->packet_context->scope, | |
d00d17d1 | 1405 | "stream.packet.context"); |
9e29e16e MD |
1406 | parent_def_scope = stream->packet_context->scope; |
1407 | declaration_unref(stream->packet_context_decl); | |
1408 | } | |
1409 | if (stream->event_header_decl) { | |
1410 | stream->event_header = | |
1411 | stream->event_header_decl->definition_new(stream->event_header_decl, | |
41253107 | 1412 | parent_def_scope, 0, 0); |
6a36ddca MD |
1413 | set_dynamic_definition_scope(&stream->event_header->p, |
1414 | stream->event_header->scope, | |
d00d17d1 | 1415 | "stream.event.header"); |
9e29e16e MD |
1416 | parent_def_scope = stream->event_header->scope; |
1417 | declaration_unref(stream->event_header_decl); | |
1418 | } | |
1419 | if (stream->event_context_decl) { | |
1420 | stream->event_context = | |
1421 | stream->event_context_decl->definition_new(stream->event_context_decl, | |
41253107 | 1422 | parent_def_scope, 0, 0); |
6a36ddca MD |
1423 | set_dynamic_definition_scope(&stream->event_context->p, |
1424 | stream->event_context->scope, | |
d00d17d1 | 1425 | "stream.event.context"); |
9e29e16e MD |
1426 | parent_def_scope = stream->event_context->scope; |
1427 | declaration_unref(stream->event_context_decl); | |
1428 | } | |
41253107 | 1429 | stream->definition_scope = parent_def_scope; |
9e29e16e | 1430 | |
05628561 MD |
1431 | return 0; |
1432 | ||
1433 | error: | |
1434 | declaration_unref(stream->event_header); | |
1435 | declaration_unref(stream->event_context); | |
1436 | declaration_unref(stream->packet_context); | |
1437 | g_ptr_array_free(stream->events_by_id, TRUE); | |
1438 | g_hash_table_free(stream->event_quark_to_id); | |
e1151715 | 1439 | free_definition_scope(stream->definition_scope); |
d20f5e59 | 1440 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1441 | g_free(stream); |
1442 | return ret; | |
1443 | } | |
1444 | ||
1445 | static | |
1446 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1447 | { | |
1448 | int ret = 0; | |
1449 | ||
1450 | switch (node->type) { | |
1451 | case NODE_TYPEDEF: | |
1452 | ret = ctf_typedef_visit(fd, depth + 1, | |
1453 | &node->u._typedef.declaration_specifier, | |
1454 | &node->u._typedef.type_declarators, | |
d20f5e59 | 1455 | trace->declaration_scope); |
05628561 MD |
1456 | if (ret) |
1457 | return ret; | |
1458 | break; | |
1459 | case NODE_TYPEALIAS: | |
1460 | ret = ctf_typealias_visit(fd, depth + 1, | |
1461 | &node->u.typealias.target, &node->u.typealias.alias | |
d20f5e59 | 1462 | trace->declaration_scope); |
05628561 MD |
1463 | if (ret) |
1464 | return ret; | |
1465 | break; | |
1466 | case NODE_CTF_EXPRESSION: | |
1467 | { | |
1468 | char *left; | |
1469 | ||
1470 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1471 | if (!strcmp(left, "major")) { | |
1472 | if (CTF_EVENT_FIELD_IS_SET(trace, major)) | |
1473 | return -EPERM; | |
1474 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); | |
1475 | if (ret) { | |
1476 | fprintf(stderr, "[error] %s: unexpected unary expression for trace major number\n", __func__); | |
1477 | return -EINVAL; | |
1478 | } | |
1479 | CTF_EVENT_SET_FIELD(trace, major); | |
1480 | } else if (!strcmp(left, "minor")) { | |
1481 | if (CTF_EVENT_FIELD_IS_SET(trace, minor)) | |
1482 | return -EPERM; | |
1483 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); | |
1484 | if (ret) { | |
1485 | fprintf(stderr, "[error] %s: unexpected unary expression for trace minor number\n", __func__); | |
1486 | return -EINVAL; | |
1487 | } | |
1488 | CTF_EVENT_SET_FIELD(trace, minor); | |
1489 | } else if (!strcmp(left, "word_size")) { | |
1490 | if (CTF_EVENT_FIELD_IS_SET(trace, word_size)) | |
1491 | return -EPERM; | |
1492 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->word_size); | |
1493 | if (ret) { | |
1494 | fprintf(stderr, "[error] %s: unexpected unary expression for trace word_size\n", __func__); | |
1495 | return -EINVAL; | |
1496 | } | |
1497 | CTF_EVENT_SET_FIELD(trace, word_size); | |
1498 | } else if (!strcmp(left, "uuid")) { | |
1499 | if (CTF_EVENT_FIELD_IS_SET(trace, uuid)) | |
1500 | return -EPERM; | |
1501 | ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid); | |
1502 | if (ret) { | |
1503 | fprintf(stderr, "[error] %s: unexpected unary expression for trace uuid\n", __func__); | |
1504 | return -EINVAL; | |
1505 | } | |
1506 | CTF_EVENT_SET_FIELD(trace, uuid); | |
1507 | } | |
41253107 | 1508 | g_free(left); |
05628561 MD |
1509 | break; |
1510 | } | |
1511 | default: | |
1512 | return -EPERM; | |
1513 | /* TODO: declaration specifier should be added. */ | |
1514 | } | |
1515 | ||
1516 | return 0; | |
1517 | } | |
1518 | ||
05628561 MD |
1519 | static |
1520 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1521 | { | |
1522 | int ret = 0; | |
1523 | struct ctf_node *iter; | |
1524 | ||
d20f5e59 | 1525 | if (trace->declaration_scope) |
05628561 | 1526 | return -EEXIST; |
d20f5e59 | 1527 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
9e29e16e | 1528 | trace->definition_scope = new_dynamic_definition_scope(trace->root_definition_scope); |
05628561 MD |
1529 | trace->streams = g_ptr_array_new(); |
1530 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
1531 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
1532 | if (ret) | |
1533 | goto error; | |
1534 | } | |
1535 | if (!CTF_EVENT_FIELD_IS_SET(trace, major)) { | |
1536 | ret = -EPERM; | |
1537 | goto error; | |
1538 | } | |
1539 | if (!CTF_EVENT_FIELD_IS_SET(trace, minor)) { | |
1540 | ret = -EPERM; | |
1541 | goto error; | |
1542 | } | |
1543 | if (!CTF_EVENT_FIELD_IS_SET(trace, uuid)) { | |
1544 | ret = -EPERM; | |
1545 | goto error; | |
1546 | } | |
1547 | if (!CTF_EVENT_FIELD_IS_SET(trace, word_size)) { | |
1548 | ret = -EPERM; | |
1549 | goto error; | |
1550 | } | |
1551 | return 0; | |
1552 | ||
1553 | error: | |
1554 | g_ptr_array_free(trace->streams, TRUE); | |
e1151715 | 1555 | free_definition_scope(stream->definition_scope); |
d20f5e59 | 1556 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1557 | return ret; |
1558 | } | |
1559 | ||
ab4cf058 MD |
1560 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
1561 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
1562 | { |
1563 | int ret = 0; | |
1564 | struct ctf_node *iter; | |
1565 | ||
ab4cf058 MD |
1566 | trace->byte_order = byte_order; |
1567 | ||
05628561 MD |
1568 | switch (node->type) { |
1569 | case NODE_ROOT: | |
1570 | cds_list_for_each_entry(iter, &node->u.root._typedef, | |
1571 | siblings) { | |
1572 | ret = ctf_typedef_visit(fd, depth + 1, | |
1573 | &iter->u._typedef.declaration_specifier, | |
1574 | &iter->u._typedef.type_declarators, | |
d60cb676 | 1575 | trace->root_declaration_scope); |
05628561 MD |
1576 | if (ret) |
1577 | return ret; | |
1578 | } | |
1579 | cds_list_for_each_entry(iter, &node->u.root.typealias, | |
1580 | siblings) { | |
1581 | ret = ctf_typealias_visit(fd, depth + 1, | |
1582 | &iter->u.typealias.target, &iter->u.typealias.alias | |
d60cb676 | 1583 | trace->root_declaration_scope); |
05628561 MD |
1584 | if (ret) |
1585 | return ret; | |
1586 | } | |
1587 | cds_list_for_each_entry(iter, &node->u.root.declaration_specifier, siblings) { | |
de47353a | 1588 | ret = ctf_declaration_specifier_visit(fd, depth, iter, |
ab4cf058 | 1589 | trace->root_declaration_scope, trace); |
05628561 MD |
1590 | if (ret) |
1591 | return ret; | |
1592 | } | |
1593 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
1594 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
1595 | if (ret) | |
1596 | return ret; | |
1597 | } | |
1598 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { | |
1599 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 1600 | trace->root_declaration_scope, trace); |
05628561 MD |
1601 | if (ret) |
1602 | return ret; | |
1603 | } | |
1604 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
1605 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 1606 | trace->root_declaration_scope, trace); |
05628561 MD |
1607 | if (ret) |
1608 | return ret; | |
1609 | } | |
1610 | break; | |
05628561 MD |
1611 | case NODE_UNKNOWN: |
1612 | default: | |
1613 | fprintf(stderr, "[error] %s: unknown node type %d\n", __func__, | |
1614 | (int) node->type); | |
1615 | return -EINVAL; | |
1616 | } | |
1617 | return ret; | |
1618 | } |