Commit | Line | Data |
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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> | |
a0720417 MD |
29 | #include <babeltrace/types.h> |
30 | #include <babeltrace/ctf/metadata.h> | |
41253107 | 31 | #include <uuid/uuid.h> |
05628561 MD |
32 | #include "ctf-scanner.h" |
33 | #include "ctf-parser.h" | |
34 | #include "ctf-ast.h" | |
35 | ||
36 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) | |
37 | ||
de47353a MD |
38 | #define _cds_list_first_entry(ptr, type, member) \ |
39 | cds_list_entry((ptr)->next, type, member) | |
05628561 | 40 | |
a3cca9e9 | 41 | static |
78af2bcd MD |
42 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
43 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
44 | struct declaration_scope *declaration_scope, |
45 | struct ctf_trace *trace); | |
a3cca9e9 | 46 | |
05628561 | 47 | /* |
41253107 | 48 | * String returned must be freed by the caller using g_free. |
05628561 MD |
49 | */ |
50 | static | |
add40b62 | 51 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 52 | { |
41253107 MD |
53 | struct ctf_node *node; |
54 | GString *str; | |
55 | int i = 0; | |
56 | ||
a0720417 | 57 | str = g_string_new(""); |
41253107 MD |
58 | cds_list_for_each_entry(node, head, siblings) { |
59 | char *src_string; | |
60 | ||
61 | assert(node->type == NODE_UNARY_EXPRESSION); | |
62 | assert(node->u.unary_expression.type == UNARY_STRING); | |
63 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
a0720417 | 64 | ^ (i != 0)); |
41253107 MD |
65 | switch (node->u.unary_expression.link) { |
66 | case UNARY_DOTLINK: | |
a0720417 | 67 | g_string_append(str, "."); |
41253107 MD |
68 | break; |
69 | case UNARY_ARROWLINK: | |
a0720417 | 70 | g_string_append(str, "->"); |
41253107 MD |
71 | break; |
72 | case UNARY_DOTDOTDOT: | |
a0720417 MD |
73 | g_string_append(str, "..."); |
74 | break; | |
75 | default: | |
41253107 MD |
76 | break; |
77 | } | |
a0720417 | 78 | src_string = node->u.unary_expression.u.string; |
41253107 MD |
79 | g_string_append(str, src_string); |
80 | i++; | |
81 | } | |
82 | return g_string_free(str, FALSE); | |
05628561 MD |
83 | } |
84 | ||
85 | static | |
add40b62 | 86 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 87 | { |
41253107 MD |
88 | struct ctf_node *node; |
89 | int i = 0; | |
90 | ||
91 | cds_list_for_each_entry(node, head, siblings) { | |
92 | assert(node->type == NODE_UNARY_EXPRESSION); | |
93 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
94 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
95 | assert(i == 0); | |
a0720417 | 96 | *value = node->u.unary_expression.u.unsigned_constant; |
41253107 MD |
97 | i++; |
98 | } | |
99 | return 0; | |
05628561 MD |
100 | } |
101 | ||
102 | static | |
add40b62 | 103 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 104 | { |
41253107 MD |
105 | struct ctf_node *node; |
106 | int i = 0; | |
107 | int ret = -1; | |
108 | ||
109 | cds_list_for_each_entry(node, head, siblings) { | |
110 | const char *src_string; | |
111 | ||
112 | assert(node->type == NODE_UNARY_EXPRESSION); | |
113 | assert(node->u.unary_expression.type == UNARY_STRING); | |
114 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
115 | assert(i == 0); | |
a0720417 MD |
116 | src_string = node->u.unary_expression.u.string; |
117 | ret = uuid_parse(node->u.unary_expression.u.string, *uuid); | |
41253107 MD |
118 | } |
119 | return ret; | |
05628561 MD |
120 | } |
121 | ||
122 | static | |
123 | struct ctf_stream *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) | |
124 | { | |
125 | if (trace->streams->len <= stream_id) | |
126 | return NULL; | |
127 | return g_ptr_array_index(trace->streams, stream_id); | |
128 | } | |
129 | ||
add40b62 | 130 | static |
78af2bcd MD |
131 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
132 | { | |
133 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
134 | ||
135 | switch (type_specifier->u.type_specifier.type) { | |
136 | case TYPESPEC_VOID: | |
137 | g_string_append(str, "void"); | |
138 | break; | |
139 | case TYPESPEC_CHAR: | |
140 | g_string_append(str, "char"); | |
141 | break; | |
142 | case TYPESPEC_SHORT: | |
143 | g_string_append(str, "short"); | |
144 | break; | |
145 | case TYPESPEC_INT: | |
146 | g_string_append(str, "int"); | |
147 | break; | |
148 | case TYPESPEC_LONG: | |
149 | g_string_append(str, "long"); | |
150 | break; | |
151 | case TYPESPEC_FLOAT: | |
152 | g_string_append(str, "float"); | |
153 | break; | |
154 | case TYPESPEC_DOUBLE: | |
155 | g_string_append(str, "double"); | |
156 | break; | |
157 | case TYPESPEC_SIGNED: | |
158 | g_string_append(str, "signed"); | |
159 | break; | |
160 | case TYPESPEC_UNSIGNED: | |
161 | g_string_append(str, "unsigned"); | |
162 | break; | |
163 | case TYPESPEC_BOOL: | |
164 | g_string_append(str, "bool"); | |
165 | break; | |
166 | case TYPESPEC_COMPLEX: | |
167 | g_string_append(str, "_Complex"); | |
168 | break; | |
169 | case TYPESPEC_IMAGINARY: | |
170 | g_string_append(str, "_Imaginary"); | |
171 | break; | |
172 | case TYPESPEC_CONST: | |
173 | g_string_append(str, "const"); | |
174 | break; | |
175 | case TYPESPEC_ID_TYPE: | |
176 | if (type_specifier->u.type_specifier.id_type) | |
177 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
178 | break; | |
179 | case TYPESPEC_STRUCT: | |
180 | { | |
181 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
182 | ||
183 | if (!node->u._struct.name) { | |
184 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
185 | return -EINVAL; | |
186 | } | |
187 | g_string_append(str, "struct "); | |
188 | g_string_append(str, node->u._struct.name); | |
189 | break; | |
190 | } | |
191 | case TYPESPEC_VARIANT: | |
192 | { | |
193 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
194 | ||
195 | if (!node->u.variant.name) { | |
196 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
197 | return -EINVAL; | |
198 | } | |
199 | g_string_append(str, "variant "); | |
200 | g_string_append(str, node->u.variant.name); | |
201 | break; | |
202 | } | |
203 | case TYPESPEC_ENUM: | |
204 | { | |
205 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
206 | ||
207 | if (!node->u._enum.enum_id) { | |
208 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
209 | return -EINVAL; | |
210 | } | |
211 | g_string_append(str, "enum "); | |
212 | g_string_append(str, node->u._enum.enum_id); | |
213 | break; | |
214 | } | |
215 | case TYPESPEC_FLOATING_POINT: | |
216 | case TYPESPEC_INTEGER: | |
217 | case TYPESPEC_STRING: | |
218 | default: | |
219 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
220 | return -EINVAL; | |
221 | } | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static | |
226 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
227 | { |
228 | struct ctf_node *iter; | |
229 | int alias_item_nr = 0; | |
78af2bcd | 230 | int ret; |
add40b62 | 231 | |
78af2bcd | 232 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
233 | if (alias_item_nr != 0) |
234 | g_string_append(str, " "); | |
235 | alias_item_nr++; | |
78af2bcd MD |
236 | ret = visit_type_specifier(fd, iter, str); |
237 | if (ret) | |
238 | return ret; | |
add40b62 MD |
239 | } |
240 | return 0; | |
add40b62 MD |
241 | } |
242 | ||
243 | static | |
8fdba45b | 244 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 245 | struct ctf_node *type_specifier_list, |
add40b62 MD |
246 | struct ctf_node *node_type_declarator) |
247 | { | |
a0720417 | 248 | struct ctf_node *iter; |
add40b62 | 249 | GString *str; |
a0720417 | 250 | char *str_c; |
add40b62 MD |
251 | GQuark alias_q; |
252 | int ret; | |
253 | ||
a0720417 | 254 | str = g_string_new(""); |
78af2bcd | 255 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
256 | if (ret) { |
257 | g_string_free(str, TRUE); | |
258 | return 0; | |
259 | } | |
260 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
261 | g_string_append(str, " *"); | |
262 | if (iter->u.pointer.const_qualifier) | |
263 | g_string_append(str, " const"); | |
264 | } | |
265 | str_c = g_string_free(str, FALSE); | |
266 | alias_q = g_quark_from_string(str_c); | |
267 | g_free(str_c); | |
268 | return alias_q; | |
269 | } | |
270 | ||
a3cca9e9 | 271 | static |
8fdba45b | 272 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 273 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
274 | GQuark *field_name, |
275 | struct ctf_node *node_type_declarator, | |
add40b62 | 276 | struct declaration_scope *declaration_scope, |
e397791f MD |
277 | struct declaration *nested_declaration, |
278 | struct ctf_trace *trace) | |
a3cca9e9 MD |
279 | { |
280 | /* | |
281 | * Visit type declarator by first taking care of sequence/array | |
282 | * (recursively). Then, when we get to the identifier, take care | |
283 | * of pointers. | |
284 | */ | |
285 | ||
e397791f MD |
286 | if (node_type_declarator) { |
287 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 288 | |
e397791f MD |
289 | /* TODO: gcc bitfields not supported yet. */ |
290 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 291 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
292 | return NULL; |
293 | } | |
add40b62 | 294 | } |
a3cca9e9 MD |
295 | |
296 | if (!nested_declaration) { | |
e397791f | 297 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
298 | GQuark alias_q; |
299 | ||
a3cca9e9 MD |
300 | /* |
301 | * If we have a pointer declarator, it _has_ to be present in | |
302 | * the typealiases (else fail). | |
303 | */ | |
add40b62 | 304 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 305 | type_specifier_list, node_type_declarator); |
add40b62 MD |
306 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
307 | if (!nested_declaration) { | |
78af2bcd | 308 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
309 | return NULL; |
310 | } | |
a3cca9e9 | 311 | } else { |
78af2bcd MD |
312 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
313 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 314 | } |
a3cca9e9 MD |
315 | } |
316 | ||
e397791f MD |
317 | if (!node_type_declarator) |
318 | return nested_declaration; | |
319 | ||
a3cca9e9 MD |
320 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
321 | if (node_type_declarator->u.type_declarator.u.id) | |
322 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
323 | else | |
324 | *field_name = 0; | |
325 | return nested_declaration; | |
326 | } else { | |
327 | struct declaration *declaration; | |
78af2bcd | 328 | struct ctf_node *length; |
a3cca9e9 MD |
329 | |
330 | /* TYPEDEC_NESTED */ | |
331 | ||
332 | /* create array/sequence, pass nested_declaration as child. */ | |
78af2bcd MD |
333 | length = node_type_declarator->u.type_declarator.u.nested.length; |
334 | if (!length) { | |
335 | fprintf(fd, "[error] %s: expecting length type or value.\n", __func__); | |
a0720417 MD |
336 | return NULL; |
337 | } | |
78af2bcd | 338 | switch (length->type) { |
a0720417 MD |
339 | case NODE_UNARY_EXPRESSION: |
340 | { | |
341 | struct declaration_array *array_declaration; | |
342 | size_t len; | |
343 | ||
78af2bcd MD |
344 | if (length->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
345 | fprintf(fd, "[error] %s: array: unexpected unary expression.\n", __func__); | |
a0720417 | 346 | return NULL; |
a3cca9e9 | 347 | } |
78af2bcd | 348 | len = length->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
349 | array_declaration = array_declaration_new(len, nested_declaration, |
350 | declaration_scope); | |
351 | declaration = &array_declaration->p; | |
352 | break; | |
353 | } | |
2dd46001 | 354 | case NODE_TYPE_SPECIFIER_LIST: |
a0720417 MD |
355 | { |
356 | struct declaration_sequence *sequence_declaration; | |
357 | struct declaration_integer *integer_declaration; | |
a0720417 | 358 | |
2dd46001 MD |
359 | declaration = ctf_type_specifier_list_visit(fd, depth, |
360 | length, declaration_scope, trace); | |
361 | if (!declaration) { | |
362 | fprintf(fd, "[error] %s: unable to find declaration type for sequence length\n", __func__); | |
363 | return NULL; | |
364 | } | |
365 | if (declaration->id != CTF_TYPE_INTEGER) { | |
366 | fprintf(fd, "[error] %s: length type for sequence is expected to be an integer (unsigned).\n", __func__); | |
367 | declaration_unref(declaration); | |
368 | return NULL; | |
369 | } | |
a0720417 | 370 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
2dd46001 MD |
371 | if (integer_declaration->signedness != false) { |
372 | fprintf(fd, "[error] %s: length type for sequence should always be an unsigned integer.\n", __func__); | |
373 | declaration_unref(declaration); | |
374 | return NULL; | |
375 | } | |
376 | ||
a0720417 MD |
377 | sequence_declaration = sequence_declaration_new(integer_declaration, |
378 | nested_declaration, declaration_scope); | |
379 | declaration = &sequence_declaration->p; | |
380 | break; | |
381 | } | |
382 | default: | |
383 | assert(0); | |
a3cca9e9 MD |
384 | } |
385 | ||
386 | /* Pass it as content of outer container */ | |
387 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 388 | type_specifier_list, field_name, |
a3cca9e9 | 389 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 390 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
391 | return declaration; |
392 | } | |
393 | } | |
394 | ||
395 | static | |
8fdba45b | 396 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 397 | struct declaration_struct *struct_declaration, |
78af2bcd | 398 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 399 | struct cds_list_head *type_declarators, |
e397791f MD |
400 | struct declaration_scope *declaration_scope, |
401 | struct ctf_trace *trace) | |
a3cca9e9 MD |
402 | { |
403 | struct ctf_node *iter; | |
404 | GQuark field_name; | |
405 | ||
406 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
407 | struct declaration *field_declaration; | |
408 | ||
409 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 410 | type_specifier_list, |
a3cca9e9 MD |
411 | &field_name, iter, |
412 | struct_declaration->scope, | |
e397791f | 413 | NULL, trace); |
2dd46001 MD |
414 | if (!field_declaration) { |
415 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
416 | return -EINVAL; | |
417 | } | |
a3cca9e9 MD |
418 | struct_declaration_add_field(struct_declaration, |
419 | g_quark_to_string(field_name), | |
420 | field_declaration); | |
421 | } | |
add40b62 MD |
422 | return 0; |
423 | } | |
a3cca9e9 | 424 | |
add40b62 | 425 | static |
8fdba45b | 426 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 427 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 428 | struct ctf_node *type_specifier_list, |
add40b62 | 429 | struct cds_list_head *type_declarators, |
e397791f MD |
430 | struct declaration_scope *declaration_scope, |
431 | struct ctf_trace *trace) | |
add40b62 MD |
432 | { |
433 | struct ctf_node *iter; | |
434 | GQuark field_name; | |
435 | ||
436 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
437 | struct declaration *field_declaration; | |
438 | ||
439 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 440 | type_specifier_list, |
add40b62 | 441 | &field_name, iter, |
a0720417 | 442 | untagged_variant_declaration->scope, |
e397791f | 443 | NULL, trace); |
2dd46001 MD |
444 | if (!field_declaration) { |
445 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
446 | return -EINVAL; | |
447 | } | |
a0720417 | 448 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
449 | g_quark_to_string(field_name), |
450 | field_declaration); | |
451 | } | |
a3cca9e9 MD |
452 | return 0; |
453 | } | |
454 | ||
455 | static | |
8fdba45b | 456 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 457 | struct ctf_node *type_specifier_list, |
e397791f MD |
458 | struct cds_list_head *type_declarators, |
459 | struct ctf_trace *trace) | |
a3cca9e9 MD |
460 | { |
461 | struct ctf_node *iter; | |
462 | GQuark identifier; | |
463 | ||
464 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
465 | struct declaration *type_declaration; | |
466 | int ret; | |
467 | ||
468 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 469 | type_specifier_list, |
a3cca9e9 | 470 | &identifier, iter, |
e397791f | 471 | scope, NULL, trace); |
2dd46001 MD |
472 | if (!type_declaration) { |
473 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
474 | return -EINVAL; | |
475 | } | |
476 | /* | |
477 | * Don't allow typedef and typealias of untagged | |
478 | * variants. | |
479 | */ | |
480 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
481 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
482 | declaration_unref(type_declaration); | |
483 | return -EPERM; | |
484 | } | |
a3cca9e9 MD |
485 | ret = register_declaration(identifier, type_declaration, scope); |
486 | if (ret) { | |
487 | type_declaration->declaration_free(type_declaration); | |
488 | return ret; | |
489 | } | |
490 | } | |
491 | return 0; | |
492 | } | |
493 | ||
494 | static | |
8fdba45b | 495 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
496 | struct ctf_node *target, struct ctf_node *alias, |
497 | struct ctf_trace *trace) | |
a3cca9e9 MD |
498 | { |
499 | struct declaration *type_declaration; | |
a0720417 | 500 | struct ctf_node *node; |
add40b62 | 501 | GQuark dummy_id; |
a3cca9e9 | 502 | GQuark alias_q; |
a0720417 | 503 | int err; |
a3cca9e9 MD |
504 | |
505 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
506 | ||
507 | /* | |
508 | * Create target type declaration. | |
509 | */ | |
510 | ||
427c09b7 | 511 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
512 | node = NULL; |
513 | else | |
427c09b7 | 514 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 515 | struct ctf_node, siblings); |
a3cca9e9 | 516 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 517 | target->u.typealias_target.type_specifier_list, |
a0720417 | 518 | &dummy_id, node, |
e397791f | 519 | scope, NULL, trace); |
a3cca9e9 | 520 | if (!type_declaration) { |
78af2bcd | 521 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
522 | err = -EINVAL; |
523 | goto error; | |
524 | } | |
2dd46001 MD |
525 | /* |
526 | * Don't allow typedef and typealias of untagged | |
527 | * variants. | |
528 | */ | |
529 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
530 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
531 | declaration_unref(type_declaration); | |
532 | return -EPERM; | |
533 | } | |
a3cca9e9 MD |
534 | /* |
535 | * The semantic validator does not check whether the target is | |
536 | * abstract or not (if it has an identifier). Check it here. | |
537 | */ | |
538 | if (dummy_id != 0) { | |
78af2bcd | 539 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
540 | err = -EINVAL; |
541 | goto error; | |
542 | } | |
543 | /* | |
544 | * Create alias identifier. | |
545 | */ | |
a3cca9e9 MD |
546 | |
547 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 548 | struct ctf_node, siblings); |
add40b62 | 549 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 550 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
551 | err = register_declaration(alias_q, type_declaration, scope); |
552 | if (err) | |
a3cca9e9 MD |
553 | goto error; |
554 | return 0; | |
555 | ||
556 | error: | |
557 | type_declaration->declaration_free(type_declaration); | |
a0720417 | 558 | return err; |
a3cca9e9 MD |
559 | } |
560 | ||
561 | static | |
8fdba45b | 562 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
563 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
564 | struct ctf_trace *trace) | |
a3cca9e9 | 565 | { |
a3cca9e9 MD |
566 | int ret; |
567 | ||
568 | switch (iter->type) { | |
569 | case NODE_TYPEDEF: | |
570 | /* For each declarator, declare type and add type to struct declaration scope */ | |
571 | ret = ctf_typedef_visit(fd, depth, | |
572 | struct_declaration->scope, | |
78af2bcd | 573 | iter->u._typedef.type_specifier_list, |
e397791f | 574 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
575 | if (ret) |
576 | return ret; | |
577 | break; | |
578 | case NODE_TYPEALIAS: | |
579 | /* Declare type with declarator and add type to struct declaration scope */ | |
580 | ret = ctf_typealias_visit(fd, depth, | |
581 | struct_declaration->scope, | |
582 | iter->u.typealias.target, | |
e397791f | 583 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
584 | if (ret) |
585 | return ret; | |
586 | break; | |
587 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
588 | /* Add field to structure declaration */ | |
589 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
590 | struct_declaration, | |
78af2bcd | 591 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
592 | &iter->u.struct_or_variant_declaration.type_declarators, |
593 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
594 | if (ret) |
595 | return ret; | |
596 | break; | |
597 | default: | |
78af2bcd | 598 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
599 | assert(0); |
600 | } | |
601 | return 0; | |
602 | } | |
603 | ||
add40b62 | 604 | static |
8fdba45b | 605 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
606 | struct ctf_node *iter, |
607 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 608 | struct ctf_trace *trace) |
add40b62 | 609 | { |
add40b62 MD |
610 | int ret; |
611 | ||
612 | switch (iter->type) { | |
613 | case NODE_TYPEDEF: | |
614 | /* For each declarator, declare type and add type to variant declaration scope */ | |
615 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 616 | untagged_variant_declaration->scope, |
78af2bcd | 617 | iter->u._typedef.type_specifier_list, |
e397791f | 618 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
619 | if (ret) |
620 | return ret; | |
621 | break; | |
622 | case NODE_TYPEALIAS: | |
623 | /* Declare type with declarator and add type to variant declaration scope */ | |
624 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 625 | untagged_variant_declaration->scope, |
add40b62 | 626 | iter->u.typealias.target, |
e397791f | 627 | iter->u.typealias.alias, trace); |
add40b62 MD |
628 | if (ret) |
629 | return ret; | |
630 | break; | |
631 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
632 | /* Add field to structure declaration */ | |
633 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 634 | untagged_variant_declaration, |
78af2bcd | 635 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
636 | &iter->u.struct_or_variant_declaration.type_declarators, |
637 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
638 | if (ret) |
639 | return ret; | |
640 | break; | |
641 | default: | |
78af2bcd | 642 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
643 | assert(0); |
644 | } | |
645 | return 0; | |
646 | } | |
647 | ||
a3cca9e9 | 648 | static |
a0720417 | 649 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 650 | int depth, const char *name, struct cds_list_head *declaration_list, |
e397791f MD |
651 | int has_body, struct declaration_scope *declaration_scope, |
652 | struct ctf_trace *trace) | |
a3cca9e9 | 653 | { |
a3cca9e9 MD |
654 | struct declaration_struct *struct_declaration; |
655 | struct ctf_node *iter; | |
a0720417 | 656 | int ret; |
a3cca9e9 MD |
657 | |
658 | /* | |
659 | * For named struct (without body), lookup in | |
660 | * declaration scope. Don't take reference on struct | |
661 | * declaration: ref is only taken upon definition. | |
662 | */ | |
663 | if (!has_body) { | |
664 | assert(name); | |
665 | struct_declaration = | |
666 | lookup_struct_declaration(g_quark_from_string(name), | |
667 | declaration_scope); | |
a0720417 | 668 | return &struct_declaration->p; |
a3cca9e9 MD |
669 | } else { |
670 | /* For unnamed struct, create type */ | |
671 | /* For named struct (with body), create type and add to declaration scope */ | |
672 | if (name) { | |
673 | if (lookup_struct_declaration(g_quark_from_string(name), | |
674 | declaration_scope)) { | |
675 | ||
78af2bcd | 676 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
677 | return NULL; |
678 | } | |
679 | } | |
a0720417 | 680 | struct_declaration = struct_declaration_new(declaration_scope); |
a3cca9e9 | 681 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
682 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
683 | struct_declaration, trace); | |
a3cca9e9 MD |
684 | if (ret) |
685 | goto error; | |
686 | } | |
687 | if (name) { | |
688 | ret = register_struct_declaration(g_quark_from_string(name), | |
689 | struct_declaration, | |
690 | declaration_scope); | |
691 | assert(!ret); | |
692 | } | |
a0720417 | 693 | return &struct_declaration->p; |
a3cca9e9 MD |
694 | } |
695 | error: | |
696 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
697 | return NULL; | |
698 | } | |
699 | ||
05628561 | 700 | static |
a0720417 MD |
701 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
702 | int depth, const char *name, const char *choice, | |
703 | struct cds_list_head *declaration_list, | |
e397791f MD |
704 | int has_body, struct declaration_scope *declaration_scope, |
705 | struct ctf_trace *trace) | |
05628561 | 706 | { |
a0720417 | 707 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
708 | struct declaration_variant *variant_declaration; |
709 | struct ctf_node *iter; | |
a0720417 | 710 | int ret; |
de47353a | 711 | |
add40b62 MD |
712 | /* |
713 | * For named variant (without body), lookup in | |
714 | * declaration scope. Don't take reference on variant | |
715 | * declaration: ref is only taken upon definition. | |
716 | */ | |
717 | if (!has_body) { | |
718 | assert(name); | |
a0720417 | 719 | untagged_variant_declaration = |
add40b62 MD |
720 | lookup_variant_declaration(g_quark_from_string(name), |
721 | declaration_scope); | |
add40b62 | 722 | } else { |
de47353a | 723 | /* For unnamed variant, create type */ |
add40b62 MD |
724 | /* For named variant (with body), create type and add to declaration scope */ |
725 | if (name) { | |
726 | if (lookup_variant_declaration(g_quark_from_string(name), | |
727 | declaration_scope)) { | |
728 | ||
78af2bcd | 729 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
730 | return NULL; |
731 | } | |
732 | } | |
a0720417 | 733 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 734 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 735 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 736 | untagged_variant_declaration, trace); |
add40b62 MD |
737 | if (ret) |
738 | goto error; | |
739 | } | |
740 | if (name) { | |
741 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 742 | untagged_variant_declaration, |
add40b62 MD |
743 | declaration_scope); |
744 | assert(!ret); | |
745 | } | |
a0720417 MD |
746 | } |
747 | /* | |
748 | * if tagged, create tagged variant and return. else return | |
749 | * untagged variant. | |
750 | */ | |
751 | if (!choice) { | |
752 | return &untagged_variant_declaration->p; | |
753 | } else { | |
754 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
755 | if (!variant_declaration) | |
756 | goto error; | |
757 | declaration_unref(&untagged_variant_declaration->p); | |
758 | return &variant_declaration->p; | |
de47353a | 759 | } |
add40b62 | 760 | error: |
2dd46001 | 761 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 762 | return NULL; |
05628561 MD |
763 | } |
764 | ||
05628561 | 765 | static |
8fdba45b | 766 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
767 | struct ctf_node *enumerator, |
768 | struct declaration_enum *enum_declaration) | |
769 | { | |
1cfda062 MD |
770 | GQuark q; |
771 | struct ctf_node *iter; | |
772 | ||
773 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 774 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
775 | int64_t start, end; |
776 | int nr_vals = 0; | |
777 | ||
a0720417 | 778 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
779 | int64_t *target; |
780 | ||
781 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
782 | if (nr_vals == 0) | |
783 | target = &start; | |
784 | else | |
785 | target = &end; | |
786 | ||
787 | switch (iter->u.unary_expression.type) { | |
788 | case UNARY_SIGNED_CONSTANT: | |
789 | *target = iter->u.unary_expression.u.signed_constant; | |
790 | break; | |
791 | case UNARY_UNSIGNED_CONSTANT: | |
792 | *target = iter->u.unary_expression.u.unsigned_constant; | |
793 | break; | |
794 | default: | |
78af2bcd | 795 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
796 | return -EINVAL; |
797 | } | |
798 | if (nr_vals > 1) { | |
78af2bcd | 799 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
800 | return -EINVAL; |
801 | } | |
802 | nr_vals++; | |
803 | } | |
804 | if (nr_vals == 1) | |
805 | end = start; | |
806 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 807 | } else { |
1cfda062 MD |
808 | uint64_t start, end; |
809 | int nr_vals = 0; | |
810 | ||
a0720417 MD |
811 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
812 | uint64_t *target; | |
1cfda062 MD |
813 | |
814 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
815 | if (nr_vals == 0) | |
816 | target = &start; | |
817 | else | |
818 | target = &end; | |
819 | ||
820 | switch (iter->u.unary_expression.type) { | |
821 | case UNARY_UNSIGNED_CONSTANT: | |
822 | *target = iter->u.unary_expression.u.unsigned_constant; | |
823 | break; | |
824 | case UNARY_SIGNED_CONSTANT: | |
825 | /* | |
826 | * We don't accept signed constants for enums with unsigned | |
827 | * container type. | |
828 | */ | |
78af2bcd | 829 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
830 | return -EINVAL; |
831 | default: | |
78af2bcd | 832 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
833 | return -EINVAL; |
834 | } | |
835 | if (nr_vals > 1) { | |
78af2bcd | 836 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
837 | return -EINVAL; |
838 | } | |
839 | nr_vals++; | |
840 | } | |
841 | if (nr_vals == 1) | |
842 | end = start; | |
843 | enum_unsigned_insert(enum_declaration, start, end, q); | |
844 | } | |
add40b62 MD |
845 | return 0; |
846 | } | |
847 | ||
848 | static | |
8fdba45b | 849 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 850 | const char *name, |
78af2bcd | 851 | struct ctf_node *container_type, |
add40b62 | 852 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
853 | int has_body, |
854 | struct declaration_scope *declaration_scope, | |
855 | struct ctf_trace *trace) | |
05628561 | 856 | { |
add40b62 MD |
857 | struct declaration *declaration; |
858 | struct declaration_enum *enum_declaration; | |
859 | struct declaration_integer *integer_declaration; | |
78af2bcd | 860 | struct ctf_node *iter; |
1cfda062 | 861 | GQuark dummy_id; |
a0720417 | 862 | int ret; |
add40b62 | 863 | |
05628561 | 864 | /* |
add40b62 MD |
865 | * For named enum (without body), lookup in |
866 | * declaration scope. Don't take reference on enum | |
867 | * declaration: ref is only taken upon definition. | |
05628561 | 868 | */ |
add40b62 MD |
869 | if (!has_body) { |
870 | assert(name); | |
871 | enum_declaration = | |
872 | lookup_enum_declaration(g_quark_from_string(name), | |
873 | declaration_scope); | |
a0720417 | 874 | return &enum_declaration->p; |
add40b62 MD |
875 | } else { |
876 | /* For unnamed enum, create type */ | |
877 | /* For named enum (with body), create type and add to declaration scope */ | |
878 | if (name) { | |
879 | if (lookup_enum_declaration(g_quark_from_string(name), | |
880 | declaration_scope)) { | |
881 | ||
78af2bcd | 882 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
883 | return NULL; |
884 | } | |
885 | } | |
78af2bcd | 886 | if (!container_type) { |
6743829a MD |
887 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
888 | declaration_scope); | |
889 | if (!declaration) { | |
890 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
891 | return NULL; | |
892 | } | |
893 | } else { | |
894 | declaration = ctf_type_declarator_visit(fd, depth, | |
895 | container_type, | |
896 | &dummy_id, NULL, | |
897 | declaration_scope, | |
898 | NULL, trace); | |
1cfda062 | 899 | } |
30ea18a1 MD |
900 | if (!declaration) { |
901 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
902 | return NULL; | |
903 | } | |
904 | if (declaration->id != CTF_TYPE_INTEGER) { | |
905 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
906 | return NULL; | |
1cfda062 | 907 | } |
30ea18a1 | 908 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 909 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
910 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
911 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
912 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
913 | if (ret) | |
914 | goto error; | |
915 | } | |
916 | if (name) { | |
917 | ret = register_enum_declaration(g_quark_from_string(name), | |
918 | enum_declaration, | |
919 | declaration_scope); | |
920 | assert(!ret); | |
921 | } | |
a0720417 | 922 | return &enum_declaration->p; |
05628561 | 923 | } |
add40b62 MD |
924 | error: |
925 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
926 | return NULL; | |
05628561 MD |
927 | } |
928 | ||
929 | static | |
8fdba45b | 930 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 931 | struct ctf_node *type_specifier_list, |
d20f5e59 | 932 | struct declaration_scope *declaration_scope) |
05628561 | 933 | { |
add40b62 MD |
934 | GString *str; |
935 | struct declaration *declaration; | |
a0720417 MD |
936 | char *str_c; |
937 | int ret; | |
938 | GQuark id_q; | |
05628561 | 939 | |
a0720417 | 940 | str = g_string_new(""); |
78af2bcd | 941 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
942 | if (ret) |
943 | return NULL; | |
944 | str_c = g_string_free(str, FALSE); | |
945 | id_q = g_quark_from_string(str_c); | |
946 | g_free(str_c); | |
947 | declaration = lookup_declaration(id_q, declaration_scope); | |
948 | return declaration; | |
949 | } | |
950 | ||
ab4cf058 MD |
951 | /* |
952 | * Returns 0/1 boolean, or < 0 on error. | |
953 | */ | |
954 | static | |
a0720417 | 955 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
956 | { |
957 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 958 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
959 | __func__); |
960 | return -EINVAL; | |
961 | } | |
962 | switch (unary_expression->u.unary_expression.type) { | |
963 | case UNARY_UNSIGNED_CONSTANT: | |
964 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
965 | return 0; | |
966 | else | |
967 | return 1; | |
968 | case UNARY_SIGNED_CONSTANT: | |
969 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
970 | return 0; | |
971 | else | |
972 | return 1; | |
973 | case UNARY_STRING: | |
974 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
975 | return 1; | |
976 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
977 | return 1; | |
978 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
979 | return 0; | |
980 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
981 | return 0; | |
982 | else { | |
78af2bcd | 983 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
984 | __func__, unary_expression->u.unary_expression.u.string); |
985 | return -EINVAL; | |
986 | } | |
987 | break; | |
988 | default: | |
78af2bcd | 989 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
990 | __func__); |
991 | return -EINVAL; | |
992 | } | |
993 | ||
994 | } | |
995 | ||
0f980a35 MD |
996 | static |
997 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
998 | { | |
999 | int byte_order; | |
1000 | ||
1001 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1002 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1003 | __func__); | |
1004 | return -EINVAL; | |
1005 | } | |
1006 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1007 | byte_order = BIG_ENDIAN; | |
1008 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1009 | byte_order = LITTLE_ENDIAN; | |
1010 | else { | |
1011 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1012 | __func__, unary_expression->u.unary_expression.u.string); | |
1013 | return -EINVAL; | |
1014 | } | |
1015 | return byte_order; | |
1016 | } | |
1017 | ||
ab4cf058 | 1018 | static |
a0720417 MD |
1019 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1020 | struct ctf_trace *trace) | |
ab4cf058 MD |
1021 | { |
1022 | int byte_order; | |
1023 | ||
1024 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1025 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1026 | __func__); |
1027 | return -EINVAL; | |
1028 | } | |
1029 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1030 | byte_order = trace->byte_order; | |
1031 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1032 | byte_order = BIG_ENDIAN; | |
1033 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1034 | byte_order = BIG_ENDIAN; | |
1035 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1036 | byte_order = LITTLE_ENDIAN; | |
1037 | else { | |
78af2bcd | 1038 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1039 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1040 | return -EINVAL; |
1041 | } | |
1042 | return byte_order; | |
1043 | } | |
1044 | ||
add40b62 | 1045 | static |
8fdba45b | 1046 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1047 | struct cds_list_head *expressions, |
1048 | struct ctf_trace *trace) | |
add40b62 | 1049 | { |
a0720417 | 1050 | struct ctf_node *expression; |
ab4cf058 MD |
1051 | uint64_t alignment, size; |
1052 | int byte_order = trace->byte_order; | |
1053 | int signedness = 0; | |
add40b62 MD |
1054 | int has_alignment = 0, has_size = 0; |
1055 | struct declaration_integer *integer_declaration; | |
1056 | ||
1057 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1058 | struct ctf_node *left, *right; |
add40b62 | 1059 | |
a0720417 MD |
1060 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1061 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1062 | assert(left->u.unary_expression.type == UNARY_STRING); |
1063 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1064 | signedness = get_boolean(fd, depth, right); |
1065 | if (signedness < 0) | |
1066 | return NULL; | |
add40b62 | 1067 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1068 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1069 | if (byte_order < 0) |
1070 | return NULL; | |
add40b62 | 1071 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1072 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1073 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1074 | __func__); |
1075 | return NULL; | |
1076 | } | |
1077 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1078 | has_size = 1; |
1079 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1080 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1081 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1082 | __func__); |
1083 | return NULL; | |
1084 | } | |
1085 | alignment = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1086 | has_alignment = 1; |
1087 | } else { | |
78af2bcd | 1088 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
add40b62 MD |
1089 | __func__, left->u.unary_expression.u.string); |
1090 | return NULL; | |
1091 | } | |
05628561 | 1092 | } |
add40b62 | 1093 | if (!has_size) { |
78af2bcd | 1094 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1095 | return NULL; |
1096 | } | |
ab4cf058 MD |
1097 | if (!has_alignment) { |
1098 | if (size % CHAR_BIT) { | |
1099 | /* bit-packed alignment */ | |
1100 | alignment = 1; | |
1101 | } else { | |
1102 | /* byte-packed alignment */ | |
1103 | alignment = CHAR_BIT; | |
1104 | } | |
1105 | } | |
add40b62 MD |
1106 | integer_declaration = integer_declaration_new(size, |
1107 | byte_order, signedness, alignment); | |
1108 | return &integer_declaration->p; | |
05628561 MD |
1109 | } |
1110 | ||
ab4cf058 | 1111 | static |
8fdba45b | 1112 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1113 | struct cds_list_head *expressions, |
1114 | struct ctf_trace *trace) | |
1115 | { | |
a0720417 | 1116 | struct ctf_node *expression; |
ab4cf058 MD |
1117 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; |
1118 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
1119 | struct declaration_float *float_declaration; | |
1120 | ||
1121 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1122 | struct ctf_node *left, *right; |
ab4cf058 | 1123 | |
a0720417 MD |
1124 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1125 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1126 | assert(left->u.unary_expression.type == UNARY_STRING); |
1127 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1128 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1129 | if (byte_order < 0) |
1130 | return NULL; | |
1131 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1132 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1133 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1134 | __func__); |
1135 | return NULL; | |
1136 | } | |
1137 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1138 | has_exp_dig = 1; | |
1139 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1140 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1141 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1142 | __func__); |
1143 | return NULL; | |
1144 | } | |
1145 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1146 | has_mant_dig = 1; | |
1147 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1148 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1149 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1150 | __func__); |
1151 | return NULL; | |
1152 | } | |
1153 | alignment = right->u.unary_expression.u.unsigned_constant; | |
1154 | has_alignment = 1; | |
1155 | } else { | |
78af2bcd | 1156 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1157 | __func__, left->u.unary_expression.u.string); |
1158 | return NULL; | |
1159 | } | |
1160 | } | |
1161 | if (!has_mant_dig) { | |
78af2bcd | 1162 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1163 | return NULL; |
1164 | } | |
1165 | if (!has_exp_dig) { | |
78af2bcd | 1166 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1167 | return NULL; |
1168 | } | |
1169 | if (!has_alignment) { | |
1170 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1171 | /* bit-packed alignment */ | |
1172 | alignment = 1; | |
1173 | } else { | |
1174 | /* byte-packed alignment */ | |
1175 | alignment = CHAR_BIT; | |
1176 | } | |
1177 | } | |
1178 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1179 | byte_order, alignment); | |
1180 | return &float_declaration->p; | |
1181 | } | |
1182 | ||
1183 | static | |
8fdba45b | 1184 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1185 | struct cds_list_head *expressions, |
1186 | struct ctf_trace *trace) | |
1187 | { | |
a0720417 | 1188 | struct ctf_node *expression; |
ab4cf058 MD |
1189 | const char *encoding_c = NULL; |
1190 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1191 | struct declaration_string *string_declaration; | |
1192 | ||
1193 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1194 | struct ctf_node *left, *right; |
ab4cf058 | 1195 | |
a0720417 MD |
1196 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1197 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1198 | assert(left->u.unary_expression.type == UNARY_STRING); |
1199 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1200 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1201 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1202 | __func__); |
1203 | return NULL; | |
1204 | } | |
1205 | encoding_c = right->u.unary_expression.u.string; | |
1206 | } else { | |
78af2bcd | 1207 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1208 | __func__, left->u.unary_expression.u.string); |
1209 | return NULL; | |
1210 | } | |
1211 | } | |
1212 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1213 | encoding = CTF_STRING_ASCII; | |
1214 | string_declaration = string_declaration_new(encoding); | |
1215 | return &string_declaration->p; | |
1216 | } | |
1217 | ||
1218 | ||
05628561 | 1219 | static |
78af2bcd MD |
1220 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1221 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1222 | struct declaration_scope *declaration_scope, |
1223 | struct ctf_trace *trace) | |
05628561 | 1224 | { |
a0720417 | 1225 | struct ctf_node *first; |
78af2bcd | 1226 | struct ctf_node *node; |
d20f5e59 | 1227 | |
427c09b7 MD |
1228 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1229 | ||
78af2bcd | 1230 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1231 | |
78af2bcd MD |
1232 | assert(first->type == NODE_TYPE_SPECIFIER); |
1233 | ||
1234 | node = first->u.type_specifier.node; | |
1235 | ||
1236 | switch (first->u.type_specifier.type) { | |
1237 | case TYPESPEC_FLOATING_POINT: | |
1238 | return ctf_declaration_floating_point_visit(fd, depth, | |
1239 | &node->u.floating_point.expressions, trace); | |
1240 | case TYPESPEC_INTEGER: | |
1241 | return ctf_declaration_integer_visit(fd, depth, | |
1242 | &node->u.integer.expressions, trace); | |
1243 | case TYPESPEC_STRING: | |
1244 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1245 | &node->u.string.expressions, trace); |
78af2bcd | 1246 | case TYPESPEC_STRUCT: |
add40b62 | 1247 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1248 | node->u._struct.name, |
1249 | &node->u._struct.declaration_list, | |
1250 | node->u._struct.has_body, | |
ab4cf058 MD |
1251 | declaration_scope, |
1252 | trace); | |
78af2bcd | 1253 | case TYPESPEC_VARIANT: |
add40b62 | 1254 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1255 | node->u.variant.name, |
1256 | node->u.variant.choice, | |
1257 | &node->u.variant.declaration_list, | |
1258 | node->u.variant.has_body, | |
ab4cf058 MD |
1259 | declaration_scope, |
1260 | trace); | |
78af2bcd | 1261 | case TYPESPEC_ENUM: |
add40b62 | 1262 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1263 | node->u._enum.enum_id, |
1264 | node->u._enum.container_type, | |
1265 | &node->u._enum.enumerator_list, | |
1266 | node->u._enum.has_body, | |
1cfda062 | 1267 | declaration_scope, |
ab4cf058 | 1268 | trace); |
78af2bcd MD |
1269 | |
1270 | case TYPESPEC_VOID: | |
1271 | case TYPESPEC_CHAR: | |
1272 | case TYPESPEC_SHORT: | |
1273 | case TYPESPEC_INT: | |
1274 | case TYPESPEC_LONG: | |
1275 | case TYPESPEC_FLOAT: | |
1276 | case TYPESPEC_DOUBLE: | |
1277 | case TYPESPEC_SIGNED: | |
1278 | case TYPESPEC_UNSIGNED: | |
1279 | case TYPESPEC_BOOL: | |
1280 | case TYPESPEC_COMPLEX: | |
1281 | case TYPESPEC_IMAGINARY: | |
1282 | case TYPESPEC_CONST: | |
1283 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1284 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1285 | type_specifier_list, declaration_scope); |
a0720417 | 1286 | default: |
78af2bcd | 1287 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1288 | return NULL; |
add40b62 | 1289 | } |
05628561 MD |
1290 | } |
1291 | ||
1292 | static | |
1293 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, 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, | |
a0720417 | 1300 | event->declaration_scope, |
78af2bcd | 1301 | node->u._typedef.type_specifier_list, |
05628561 | 1302 | &node->u._typedef.type_declarators, |
a0720417 | 1303 | trace); |
05628561 MD |
1304 | if (ret) |
1305 | return ret; | |
1306 | break; | |
1307 | case NODE_TYPEALIAS: | |
1308 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1309 | event->declaration_scope, |
1310 | node->u.typealias.target, node->u.typealias.alias, | |
1311 | trace); | |
05628561 MD |
1312 | if (ret) |
1313 | return ret; | |
1314 | break; | |
1315 | case NODE_CTF_EXPRESSION: | |
1316 | { | |
1317 | char *left; | |
1318 | ||
1319 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1320 | if (!strcmp(left, "name")) { | |
1321 | char *right; | |
1322 | ||
427c09b7 MD |
1323 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1324 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1325 | ret = -EPERM; |
1326 | goto error; | |
427c09b7 | 1327 | } |
05628561 MD |
1328 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1329 | if (!right) { | |
78af2bcd | 1330 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1331 | ret = -EINVAL; |
1332 | goto error; | |
05628561 MD |
1333 | } |
1334 | event->name = g_quark_from_string(right); | |
41253107 | 1335 | g_free(right); |
05628561 MD |
1336 | CTF_EVENT_SET_FIELD(event, name); |
1337 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1338 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1339 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1340 | ret = -EPERM; |
1341 | goto error; | |
427c09b7 | 1342 | } |
05628561 MD |
1343 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1344 | if (ret) { | |
78af2bcd | 1345 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1346 | ret = -EINVAL; |
1347 | goto error; | |
05628561 MD |
1348 | } |
1349 | CTF_EVENT_SET_FIELD(event, id); | |
1350 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1351 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1352 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1353 | ret = -EPERM; |
1354 | goto error; | |
427c09b7 | 1355 | } |
05628561 MD |
1356 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1357 | if (ret) { | |
78af2bcd | 1358 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1359 | ret = -EINVAL; |
1360 | goto error; | |
05628561 MD |
1361 | } |
1362 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1363 | if (!event->stream) { | |
78af2bcd | 1364 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1365 | ret = -EINVAL; |
1366 | goto error; | |
05628561 | 1367 | } |
05628561 MD |
1368 | CTF_EVENT_SET_FIELD(event, stream_id); |
1369 | } else if (!strcmp(left, "context")) { | |
1370 | struct declaration *declaration; | |
1371 | ||
427c09b7 MD |
1372 | if (event->context_decl) { |
1373 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1374 | ret = -EINVAL; |
1375 | goto error; | |
427c09b7 | 1376 | } |
78af2bcd MD |
1377 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1378 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1379 | struct ctf_node, siblings), | |
ab4cf058 | 1380 | event->declaration_scope, trace); |
0f980a35 MD |
1381 | if (!declaration) { |
1382 | ret = -EPERM; | |
1383 | goto error; | |
1384 | } | |
1385 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1386 | ret = -EPERM; | |
1387 | goto error; | |
1388 | } | |
9e29e16e | 1389 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1390 | } else if (!strcmp(left, "fields")) { |
1391 | struct declaration *declaration; | |
1392 | ||
427c09b7 MD |
1393 | if (event->fields_decl) { |
1394 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1395 | ret = -EINVAL; |
1396 | goto error; | |
427c09b7 | 1397 | } |
78af2bcd MD |
1398 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1399 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1400 | struct ctf_node, siblings), | |
ab4cf058 | 1401 | event->declaration_scope, trace); |
0f980a35 MD |
1402 | if (!declaration) { |
1403 | ret = -EPERM; | |
1404 | goto error; | |
1405 | } | |
1406 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1407 | ret = -EPERM; | |
1408 | goto error; | |
1409 | } | |
9e29e16e | 1410 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1411 | } |
0f980a35 | 1412 | error: |
41253107 | 1413 | g_free(left); |
05628561 MD |
1414 | break; |
1415 | } | |
1416 | default: | |
1417 | return -EPERM; | |
1418 | /* TODO: declaration specifier should be added. */ | |
1419 | } | |
1420 | ||
0f980a35 | 1421 | return ret; |
05628561 MD |
1422 | } |
1423 | ||
1424 | static | |
1425 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1426 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1427 | { |
1428 | int ret = 0; | |
1429 | struct ctf_node *iter; | |
1430 | struct ctf_event *event; | |
9e29e16e | 1431 | struct definition_scope *parent_def_scope; |
05628561 MD |
1432 | |
1433 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1434 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1435 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1436 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1437 | if (ret) | |
1438 | goto error; | |
1439 | } | |
1440 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1441 | ret = -EPERM; | |
427c09b7 | 1442 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1443 | goto error; |
1444 | } | |
0f980a35 MD |
1445 | /* Allow only one event without id per stream */ |
1446 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1447 | && event->stream->events_by_id->len != 0) { | |
05628561 | 1448 | ret = -EPERM; |
427c09b7 | 1449 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); |
05628561 MD |
1450 | goto error; |
1451 | } | |
1452 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { | |
0f980a35 MD |
1453 | /* Allow missing stream_id if there is only a single stream */ |
1454 | if (trace->streams->len == 1) { | |
1455 | event->stream_id = 0; | |
1456 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1457 | } else { | |
1458 | ret = -EPERM; | |
1459 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1460 | goto error; | |
1461 | } | |
05628561 MD |
1462 | } |
1463 | if (event->stream->events_by_id->len <= event->id) | |
1464 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1465 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1466 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1467 | (gpointer)(unsigned long) event->name, | |
1468 | &event->id); | |
a0720417 | 1469 | parent_def_scope = event->stream->definition_scope; |
9e29e16e MD |
1470 | if (event->context_decl) { |
1471 | event->context = | |
a0720417 MD |
1472 | container_of( |
1473 | event->context_decl->p.definition_new(&event->context_decl->p, | |
1474 | parent_def_scope, 0, 0), | |
1475 | struct definition_struct, p); | |
6a36ddca MD |
1476 | set_dynamic_definition_scope(&event->context->p, |
1477 | event->context->scope, | |
d00d17d1 | 1478 | "event.context"); |
9e29e16e | 1479 | parent_def_scope = event->context->scope; |
a0720417 | 1480 | declaration_unref(&event->context_decl->p); |
9e29e16e MD |
1481 | } |
1482 | if (event->fields_decl) { | |
1483 | event->fields = | |
a0720417 MD |
1484 | container_of( |
1485 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
1486 | parent_def_scope, 0, 0), | |
1487 | struct definition_struct, p); | |
6a36ddca MD |
1488 | set_dynamic_definition_scope(&event->fields->p, |
1489 | event->fields->scope, | |
d00d17d1 | 1490 | "event.fields"); |
9e29e16e | 1491 | parent_def_scope = event->fields->scope; |
a0720417 | 1492 | declaration_unref(&event->fields_decl->p); |
9e29e16e | 1493 | } |
05628561 MD |
1494 | return 0; |
1495 | ||
1496 | error: | |
a0720417 MD |
1497 | declaration_unref(&event->fields_decl->p); |
1498 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1499 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1500 | g_free(event); |
1501 | return ret; | |
1502 | } | |
1503 | ||
1504 | ||
1505 | static | |
1506 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream *stream, struct ctf_trace *trace) | |
1507 | { | |
1508 | int ret = 0; | |
1509 | ||
1510 | switch (node->type) { | |
1511 | case NODE_TYPEDEF: | |
1512 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1513 | stream->declaration_scope, |
78af2bcd | 1514 | node->u._typedef.type_specifier_list, |
05628561 | 1515 | &node->u._typedef.type_declarators, |
a0720417 | 1516 | trace); |
05628561 MD |
1517 | if (ret) |
1518 | return ret; | |
1519 | break; | |
1520 | case NODE_TYPEALIAS: | |
1521 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1522 | stream->declaration_scope, |
1523 | node->u.typealias.target, node->u.typealias.alias, | |
1524 | trace); | |
05628561 MD |
1525 | if (ret) |
1526 | return ret; | |
1527 | break; | |
1528 | case NODE_CTF_EXPRESSION: | |
1529 | { | |
1530 | char *left; | |
1531 | ||
1532 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1533 | if (!strcmp(left, "id")) { |
1534 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1535 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1536 | ret = -EPERM; |
1537 | goto error; | |
427c09b7 | 1538 | } |
a0720417 | 1539 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1540 | if (ret) { |
427c09b7 | 1541 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1542 | ret = -EINVAL; |
1543 | goto error; | |
05628561 | 1544 | } |
a0720417 | 1545 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1546 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1547 | struct declaration *declaration; |
1548 | ||
427c09b7 MD |
1549 | if (stream->event_header_decl) { |
1550 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1551 | ret = -EINVAL; |
1552 | goto error; | |
427c09b7 | 1553 | } |
78af2bcd MD |
1554 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1555 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1556 | struct ctf_node, siblings), | |
a0720417 | 1557 | stream->declaration_scope, trace); |
0f980a35 MD |
1558 | if (!declaration) { |
1559 | ret = -EPERM; | |
1560 | goto error; | |
1561 | } | |
1562 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1563 | ret = -EPERM; | |
1564 | goto error; | |
1565 | } | |
9e29e16e MD |
1566 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1567 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1568 | struct declaration *declaration; |
1569 | ||
427c09b7 MD |
1570 | if (stream->event_context_decl) { |
1571 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1572 | ret = -EINVAL; |
1573 | goto error; | |
427c09b7 | 1574 | } |
78af2bcd MD |
1575 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1576 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1577 | struct ctf_node, siblings), | |
ab4cf058 | 1578 | stream->declaration_scope, trace); |
0f980a35 MD |
1579 | if (!declaration) { |
1580 | ret = -EPERM; | |
1581 | goto error; | |
1582 | } | |
1583 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1584 | ret = -EPERM; | |
1585 | goto error; | |
1586 | } | |
9e29e16e MD |
1587 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1588 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1589 | struct declaration *declaration; |
1590 | ||
427c09b7 MD |
1591 | if (stream->packet_context_decl) { |
1592 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1593 | ret = -EINVAL; |
1594 | goto error; | |
427c09b7 | 1595 | } |
78af2bcd MD |
1596 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1597 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1598 | struct ctf_node, siblings), | |
ab4cf058 | 1599 | stream->declaration_scope, trace); |
0f980a35 MD |
1600 | if (!declaration) { |
1601 | ret = -EPERM; | |
1602 | goto error; | |
1603 | } | |
1604 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1605 | ret = -EPERM; | |
1606 | goto error; | |
1607 | } | |
9e29e16e | 1608 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1609 | } |
0f980a35 | 1610 | error: |
41253107 | 1611 | g_free(left); |
05628561 MD |
1612 | break; |
1613 | } | |
1614 | default: | |
1615 | return -EPERM; | |
1616 | /* TODO: declaration specifier should be added. */ | |
1617 | } | |
1618 | ||
0f980a35 | 1619 | return ret; |
05628561 MD |
1620 | } |
1621 | ||
1622 | static | |
1623 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1624 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1625 | { |
1626 | int ret = 0; | |
1627 | struct ctf_node *iter; | |
1628 | struct ctf_stream *stream; | |
9e29e16e | 1629 | struct definition_scope *parent_def_scope; |
05628561 MD |
1630 | |
1631 | stream = g_new0(struct ctf_stream, 1); | |
d20f5e59 | 1632 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1633 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1634 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
0f980a35 | 1635 | stream->files = g_ptr_array_new(); |
05628561 MD |
1636 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { |
1637 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1638 | if (ret) | |
1639 | goto error; | |
1640 | } | |
0f980a35 MD |
1641 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1642 | /* check that packet header has stream_id field. */ | |
1643 | if (!trace->packet_header_decl | |
1644 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1645 | ret = -EPERM; | |
1646 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1647 | goto error; | |
1648 | } | |
1649 | } | |
1650 | ||
1651 | /* Allow only one id-less stream */ | |
1652 | if (!CTF_STREAM_FIELD_IS_SET(stream, stream_id) | |
1653 | && trace->streams->len != 0) { | |
05628561 | 1654 | ret = -EPERM; |
427c09b7 | 1655 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); |
05628561 MD |
1656 | goto error; |
1657 | } | |
1658 | if (trace->streams->len <= stream->stream_id) | |
1659 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1660 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1661 | |
0f980a35 | 1662 | parent_def_scope = trace->definition_scope; |
9e29e16e MD |
1663 | if (stream->packet_context_decl) { |
1664 | stream->packet_context = | |
a0720417 MD |
1665 | container_of( |
1666 | stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p, | |
1667 | parent_def_scope, 0, 0), | |
1668 | struct definition_struct, p); | |
6a36ddca MD |
1669 | set_dynamic_definition_scope(&stream->packet_context->p, |
1670 | stream->packet_context->scope, | |
d00d17d1 | 1671 | "stream.packet.context"); |
9e29e16e | 1672 | parent_def_scope = stream->packet_context->scope; |
a0720417 | 1673 | declaration_unref(&stream->packet_context_decl->p); |
9e29e16e MD |
1674 | } |
1675 | if (stream->event_header_decl) { | |
1676 | stream->event_header = | |
a0720417 MD |
1677 | container_of( |
1678 | stream->event_header_decl->p.definition_new(&stream->event_header_decl->p, | |
1679 | parent_def_scope, 0, 0), | |
1680 | struct definition_struct, p); | |
6a36ddca MD |
1681 | set_dynamic_definition_scope(&stream->event_header->p, |
1682 | stream->event_header->scope, | |
d00d17d1 | 1683 | "stream.event.header"); |
9e29e16e | 1684 | parent_def_scope = stream->event_header->scope; |
a0720417 | 1685 | declaration_unref(&stream->event_header_decl->p); |
9e29e16e MD |
1686 | } |
1687 | if (stream->event_context_decl) { | |
1688 | stream->event_context = | |
a0720417 MD |
1689 | container_of( |
1690 | stream->event_context_decl->p.definition_new(&stream->event_context_decl->p, | |
1691 | parent_def_scope, 0, 0), | |
1692 | struct definition_struct, p); | |
6a36ddca MD |
1693 | set_dynamic_definition_scope(&stream->event_context->p, |
1694 | stream->event_context->scope, | |
d00d17d1 | 1695 | "stream.event.context"); |
9e29e16e | 1696 | parent_def_scope = stream->event_context->scope; |
a0720417 | 1697 | declaration_unref(&stream->event_context_decl->p); |
9e29e16e | 1698 | } |
41253107 | 1699 | stream->definition_scope = parent_def_scope; |
9e29e16e | 1700 | |
05628561 MD |
1701 | return 0; |
1702 | ||
1703 | error: | |
a0720417 MD |
1704 | declaration_unref(&stream->event_header_decl->p); |
1705 | declaration_unref(&stream->event_context_decl->p); | |
1706 | declaration_unref(&stream->packet_context_decl->p); | |
0f980a35 | 1707 | g_ptr_array_free(stream->files, TRUE); |
05628561 | 1708 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1709 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1710 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1711 | g_free(stream); |
1712 | return ret; | |
1713 | } | |
1714 | ||
1715 | static | |
1716 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1717 | { | |
1718 | int ret = 0; | |
1719 | ||
1720 | switch (node->type) { | |
1721 | case NODE_TYPEDEF: | |
1722 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1723 | trace->declaration_scope, |
78af2bcd | 1724 | node->u._typedef.type_specifier_list, |
05628561 | 1725 | &node->u._typedef.type_declarators, |
a0720417 | 1726 | trace); |
05628561 MD |
1727 | if (ret) |
1728 | return ret; | |
1729 | break; | |
1730 | case NODE_TYPEALIAS: | |
1731 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1732 | trace->declaration_scope, |
1733 | node->u.typealias.target, node->u.typealias.alias, | |
1734 | trace); | |
05628561 MD |
1735 | if (ret) |
1736 | return ret; | |
1737 | break; | |
1738 | case NODE_CTF_EXPRESSION: | |
1739 | { | |
1740 | char *left; | |
1741 | ||
1742 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1743 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1744 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1745 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1746 | ret = -EPERM; |
1747 | goto error; | |
427c09b7 | 1748 | } |
05628561 MD |
1749 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1750 | if (ret) { | |
78af2bcd | 1751 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1752 | ret = -EINVAL; |
1753 | goto error; | |
05628561 | 1754 | } |
a0720417 | 1755 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1756 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1757 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1758 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1759 | ret = -EPERM; |
1760 | goto error; | |
427c09b7 | 1761 | } |
05628561 MD |
1762 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1763 | if (ret) { | |
78af2bcd | 1764 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1765 | ret = -EINVAL; |
1766 | goto error; | |
05628561 | 1767 | } |
a0720417 | 1768 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1769 | } else if (!strcmp(left, "uuid")) { |
427c09b7 MD |
1770 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
1771 | fprintf(fd, "[error] %s: uuid already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1772 | ret = -EPERM; |
1773 | goto error; | |
427c09b7 | 1774 | } |
05628561 MD |
1775 | ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid); |
1776 | if (ret) { | |
78af2bcd | 1777 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1778 | ret = -EINVAL; |
1779 | goto error; | |
05628561 | 1780 | } |
a0720417 | 1781 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
1782 | } else if (!strcmp(left, "byte_order")) { |
1783 | struct ctf_node *right; | |
1784 | int byte_order; | |
1785 | ||
1786 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
1787 | fprintf(fd, "[error] %s: endianness already declared in trace declaration\n", __func__); | |
1788 | ret = -EPERM; | |
1789 | goto error; | |
1790 | } | |
1791 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); | |
1792 | byte_order = get_trace_byte_order(fd, depth, right); | |
1793 | if (byte_order < 0) | |
1794 | return -EINVAL; | |
1795 | trace->byte_order = byte_order; | |
1796 | CTF_TRACE_SET_FIELD(trace, byte_order); | |
1797 | } else if (!strcmp(left, "packet.header")) { | |
1798 | struct declaration *declaration; | |
1799 | ||
1800 | if (trace->packet_header_decl) { | |
1801 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
1802 | ret = -EINVAL; | |
1803 | goto error; | |
1804 | } | |
1805 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
1806 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1807 | struct ctf_node, siblings), | |
1808 | trace->declaration_scope, trace); | |
1809 | if (!declaration) { | |
1810 | ret = -EPERM; | |
1811 | goto error; | |
1812 | } | |
1813 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1814 | ret = -EPERM; | |
1815 | goto error; | |
1816 | } | |
1817 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
05628561 | 1818 | } |
0f980a35 | 1819 | error: |
41253107 | 1820 | g_free(left); |
05628561 MD |
1821 | break; |
1822 | } | |
1823 | default: | |
1824 | return -EPERM; | |
1825 | /* TODO: declaration specifier should be added. */ | |
1826 | } | |
1827 | ||
0f980a35 | 1828 | return ret; |
05628561 MD |
1829 | } |
1830 | ||
05628561 MD |
1831 | static |
1832 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1833 | { | |
0f980a35 | 1834 | struct definition_scope *parent_def_scope; |
05628561 MD |
1835 | int ret = 0; |
1836 | struct ctf_node *iter; | |
1837 | ||
d20f5e59 | 1838 | if (trace->declaration_scope) |
05628561 | 1839 | return -EEXIST; |
d20f5e59 | 1840 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
1841 | trace->streams = g_ptr_array_new(); |
1842 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
1843 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
1844 | if (ret) | |
1845 | goto error; | |
1846 | } | |
a0720417 | 1847 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 1848 | ret = -EPERM; |
427c09b7 | 1849 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
1850 | goto error; |
1851 | } | |
a0720417 | 1852 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 1853 | ret = -EPERM; |
427c09b7 | 1854 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
1855 | goto error; |
1856 | } | |
a0720417 | 1857 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 1858 | ret = -EPERM; |
427c09b7 | 1859 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
1860 | goto error; |
1861 | } | |
dc48ecad MD |
1862 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
1863 | ret = -EPERM; | |
1864 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
1865 | goto error; | |
1866 | } | |
0f980a35 MD |
1867 | |
1868 | parent_def_scope = NULL; | |
1869 | if (trace->packet_header_decl) { | |
1870 | trace->packet_header = | |
1871 | container_of( | |
1872 | trace->packet_header_decl->p.definition_new(&trace->packet_header_decl->p, | |
1873 | parent_def_scope, 0, 0), | |
1874 | struct definition_struct, p); | |
1875 | set_dynamic_definition_scope(&trace->packet_header->p, | |
1876 | trace->packet_header->scope, | |
1877 | "trace.packet.header"); | |
1878 | parent_def_scope = trace->packet_header->scope; | |
1879 | declaration_unref(&trace->packet_header_decl->p); | |
1880 | } | |
1881 | trace->definition_scope = parent_def_scope; | |
1882 | ||
1883 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
1884 | /* check that the packet header contains a "magic" field */ | |
1885 | if (!trace->packet_header | |
1886 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { | |
1887 | ret = -EPERM; | |
1888 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
1889 | goto error_free_def; | |
1890 | } | |
1891 | } | |
05628561 MD |
1892 | return 0; |
1893 | ||
0f980a35 MD |
1894 | error_free_def: |
1895 | definition_unref(&trace->packet_header->p); | |
05628561 MD |
1896 | error: |
1897 | g_ptr_array_free(trace->streams, TRUE); | |
a0720417 | 1898 | free_declaration_scope(trace->declaration_scope); |
05628561 MD |
1899 | return ret; |
1900 | } | |
1901 | ||
78af2bcd MD |
1902 | static |
1903 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1904 | { | |
1905 | int ret = 0; | |
1906 | ||
1907 | switch (node->type) { | |
1908 | case NODE_TYPEDEF: | |
1909 | ret = ctf_typedef_visit(fd, depth + 1, | |
1910 | trace->root_declaration_scope, | |
1911 | node->u._typedef.type_specifier_list, | |
1912 | &node->u._typedef.type_declarators, | |
1913 | trace); | |
1914 | if (ret) | |
1915 | return ret; | |
1916 | break; | |
1917 | case NODE_TYPEALIAS: | |
1918 | ret = ctf_typealias_visit(fd, depth + 1, | |
1919 | trace->root_declaration_scope, | |
1920 | node->u.typealias.target, node->u.typealias.alias, | |
1921 | trace); | |
1922 | if (ret) | |
1923 | return ret; | |
1924 | break; | |
1925 | case NODE_TYPE_SPECIFIER_LIST: | |
1926 | { | |
1927 | struct declaration *declaration; | |
1928 | ||
1929 | /* | |
1930 | * Just add the type specifier to the root scope | |
1931 | * declaration scope. Release local reference. | |
1932 | */ | |
1933 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
1934 | node, trace->root_declaration_scope, trace); | |
1935 | if (!declaration) | |
1936 | return -ENOMEM; | |
1937 | declaration_unref(declaration); | |
1938 | break; | |
1939 | } | |
1940 | default: | |
1941 | return -EPERM; | |
1942 | } | |
1943 | ||
1944 | return 0; | |
1945 | } | |
1946 | ||
ab4cf058 MD |
1947 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
1948 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
1949 | { |
1950 | int ret = 0; | |
1951 | struct ctf_node *iter; | |
1952 | ||
78af2bcd MD |
1953 | fprintf(fd, "CTF visitor: metadata construction... "); |
1954 | trace->root_declaration_scope = new_declaration_scope(NULL); | |
ab4cf058 MD |
1955 | trace->byte_order = byte_order; |
1956 | ||
05628561 MD |
1957 | switch (node->type) { |
1958 | case NODE_ROOT: | |
3e11b713 | 1959 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 1960 | siblings) { |
78af2bcd | 1961 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
1962 | if (ret) { |
1963 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
78af2bcd | 1964 | return ret; |
427c09b7 | 1965 | } |
05628561 MD |
1966 | } |
1967 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
1968 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
427c09b7 MD |
1969 | if (ret) { |
1970 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
05628561 | 1971 | return ret; |
427c09b7 | 1972 | } |
05628561 | 1973 | } |
5039b4cc MD |
1974 | if (!trace->streams) { |
1975 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
1976 | return -EINVAL; | |
1977 | } | |
05628561 MD |
1978 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
1979 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 1980 | trace->root_declaration_scope, trace); |
427c09b7 MD |
1981 | if (ret) { |
1982 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
05628561 | 1983 | return ret; |
427c09b7 | 1984 | } |
05628561 MD |
1985 | } |
1986 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
1987 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 1988 | trace->root_declaration_scope, trace); |
427c09b7 MD |
1989 | if (ret) { |
1990 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
05628561 | 1991 | return ret; |
427c09b7 | 1992 | } |
05628561 MD |
1993 | } |
1994 | break; | |
05628561 MD |
1995 | case NODE_UNKNOWN: |
1996 | default: | |
78af2bcd | 1997 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 MD |
1998 | (int) node->type); |
1999 | return -EINVAL; | |
2000 | } | |
78af2bcd | 2001 | fprintf(fd, "done.\n"); |
05628561 MD |
2002 | return ret; |
2003 | } |