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 | 27 | #include <errno.h> |
c8b219a3 | 28 | #include <babeltrace/babeltrace.h> |
05628561 | 29 | #include <babeltrace/list.h> |
a0720417 MD |
30 | #include <babeltrace/types.h> |
31 | #include <babeltrace/ctf/metadata.h> | |
41253107 | 32 | #include <uuid/uuid.h> |
05628561 MD |
33 | #include "ctf-scanner.h" |
34 | #include "ctf-parser.h" | |
35 | #include "ctf-ast.h" | |
36 | ||
37 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) | |
38 | ||
de47353a MD |
39 | #define _cds_list_first_entry(ptr, type, member) \ |
40 | cds_list_entry((ptr)->next, type, member) | |
05628561 | 41 | |
a3cca9e9 | 42 | static |
78af2bcd MD |
43 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
44 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
45 | struct declaration_scope *declaration_scope, |
46 | struct ctf_trace *trace); | |
a3cca9e9 | 47 | |
33105c61 MD |
48 | static |
49 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
50 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace); | |
51 | ||
05628561 | 52 | /* |
41253107 | 53 | * String returned must be freed by the caller using g_free. |
05628561 MD |
54 | */ |
55 | static | |
add40b62 | 56 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 57 | { |
41253107 MD |
58 | struct ctf_node *node; |
59 | GString *str; | |
60 | int i = 0; | |
61 | ||
a0720417 | 62 | str = g_string_new(""); |
41253107 MD |
63 | cds_list_for_each_entry(node, head, siblings) { |
64 | char *src_string; | |
65 | ||
66 | assert(node->type == NODE_UNARY_EXPRESSION); | |
67 | assert(node->u.unary_expression.type == UNARY_STRING); | |
68 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
a0720417 | 69 | ^ (i != 0)); |
41253107 MD |
70 | switch (node->u.unary_expression.link) { |
71 | case UNARY_DOTLINK: | |
a0720417 | 72 | g_string_append(str, "."); |
41253107 MD |
73 | break; |
74 | case UNARY_ARROWLINK: | |
a0720417 | 75 | g_string_append(str, "->"); |
41253107 MD |
76 | break; |
77 | case UNARY_DOTDOTDOT: | |
a0720417 MD |
78 | g_string_append(str, "..."); |
79 | break; | |
80 | default: | |
41253107 MD |
81 | break; |
82 | } | |
a0720417 | 83 | src_string = node->u.unary_expression.u.string; |
41253107 MD |
84 | g_string_append(str, src_string); |
85 | i++; | |
86 | } | |
87 | return g_string_free(str, FALSE); | |
05628561 MD |
88 | } |
89 | ||
90 | static | |
add40b62 | 91 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 92 | { |
41253107 MD |
93 | struct ctf_node *node; |
94 | int i = 0; | |
95 | ||
96 | cds_list_for_each_entry(node, head, siblings) { | |
97 | assert(node->type == NODE_UNARY_EXPRESSION); | |
98 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
99 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
100 | assert(i == 0); | |
a0720417 | 101 | *value = node->u.unary_expression.u.unsigned_constant; |
41253107 MD |
102 | i++; |
103 | } | |
104 | return 0; | |
05628561 MD |
105 | } |
106 | ||
107 | static | |
add40b62 | 108 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 109 | { |
41253107 MD |
110 | struct ctf_node *node; |
111 | int i = 0; | |
112 | int ret = -1; | |
113 | ||
114 | cds_list_for_each_entry(node, head, siblings) { | |
115 | const char *src_string; | |
116 | ||
117 | assert(node->type == NODE_UNARY_EXPRESSION); | |
118 | assert(node->u.unary_expression.type == UNARY_STRING); | |
119 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
120 | assert(i == 0); | |
a0720417 MD |
121 | src_string = node->u.unary_expression.u.string; |
122 | ret = uuid_parse(node->u.unary_expression.u.string, *uuid); | |
41253107 MD |
123 | } |
124 | return ret; | |
05628561 MD |
125 | } |
126 | ||
127 | static | |
128 | struct ctf_stream *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) | |
129 | { | |
130 | if (trace->streams->len <= stream_id) | |
131 | return NULL; | |
132 | return g_ptr_array_index(trace->streams, stream_id); | |
133 | } | |
134 | ||
add40b62 | 135 | static |
78af2bcd MD |
136 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
137 | { | |
138 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
139 | ||
140 | switch (type_specifier->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 (type_specifier->u.type_specifier.id_type) | |
182 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
183 | break; | |
184 | case TYPESPEC_STRUCT: | |
185 | { | |
186 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
187 | ||
188 | if (!node->u._struct.name) { | |
189 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
190 | return -EINVAL; | |
191 | } | |
192 | g_string_append(str, "struct "); | |
193 | g_string_append(str, node->u._struct.name); | |
194 | break; | |
195 | } | |
196 | case TYPESPEC_VARIANT: | |
197 | { | |
198 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
199 | ||
200 | if (!node->u.variant.name) { | |
201 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
202 | return -EINVAL; | |
203 | } | |
204 | g_string_append(str, "variant "); | |
205 | g_string_append(str, node->u.variant.name); | |
206 | break; | |
207 | } | |
208 | case TYPESPEC_ENUM: | |
209 | { | |
210 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
211 | ||
212 | if (!node->u._enum.enum_id) { | |
213 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
214 | return -EINVAL; | |
215 | } | |
216 | g_string_append(str, "enum "); | |
217 | g_string_append(str, node->u._enum.enum_id); | |
218 | break; | |
219 | } | |
220 | case TYPESPEC_FLOATING_POINT: | |
221 | case TYPESPEC_INTEGER: | |
222 | case TYPESPEC_STRING: | |
223 | default: | |
224 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
225 | return -EINVAL; | |
226 | } | |
227 | return 0; | |
228 | } | |
229 | ||
230 | static | |
231 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
232 | { |
233 | struct ctf_node *iter; | |
234 | int alias_item_nr = 0; | |
78af2bcd | 235 | int ret; |
add40b62 | 236 | |
78af2bcd | 237 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
238 | if (alias_item_nr != 0) |
239 | g_string_append(str, " "); | |
240 | alias_item_nr++; | |
78af2bcd MD |
241 | ret = visit_type_specifier(fd, iter, str); |
242 | if (ret) | |
243 | return ret; | |
add40b62 MD |
244 | } |
245 | return 0; | |
add40b62 MD |
246 | } |
247 | ||
248 | static | |
8fdba45b | 249 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 250 | struct ctf_node *type_specifier_list, |
add40b62 MD |
251 | struct ctf_node *node_type_declarator) |
252 | { | |
a0720417 | 253 | struct ctf_node *iter; |
add40b62 | 254 | GString *str; |
a0720417 | 255 | char *str_c; |
add40b62 MD |
256 | GQuark alias_q; |
257 | int ret; | |
258 | ||
a0720417 | 259 | str = g_string_new(""); |
78af2bcd | 260 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
261 | if (ret) { |
262 | g_string_free(str, TRUE); | |
263 | return 0; | |
264 | } | |
265 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
266 | g_string_append(str, " *"); | |
267 | if (iter->u.pointer.const_qualifier) | |
268 | g_string_append(str, " const"); | |
269 | } | |
270 | str_c = g_string_free(str, FALSE); | |
271 | alias_q = g_quark_from_string(str_c); | |
272 | g_free(str_c); | |
273 | return alias_q; | |
274 | } | |
275 | ||
a3cca9e9 | 276 | static |
8fdba45b | 277 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 278 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
279 | GQuark *field_name, |
280 | struct ctf_node *node_type_declarator, | |
add40b62 | 281 | struct declaration_scope *declaration_scope, |
e397791f MD |
282 | struct declaration *nested_declaration, |
283 | struct ctf_trace *trace) | |
a3cca9e9 MD |
284 | { |
285 | /* | |
286 | * Visit type declarator by first taking care of sequence/array | |
287 | * (recursively). Then, when we get to the identifier, take care | |
288 | * of pointers. | |
289 | */ | |
290 | ||
e397791f MD |
291 | if (node_type_declarator) { |
292 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 293 | |
e397791f MD |
294 | /* TODO: gcc bitfields not supported yet. */ |
295 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 296 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
297 | return NULL; |
298 | } | |
add40b62 | 299 | } |
a3cca9e9 MD |
300 | |
301 | if (!nested_declaration) { | |
e397791f | 302 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
303 | GQuark alias_q; |
304 | ||
a3cca9e9 MD |
305 | /* |
306 | * If we have a pointer declarator, it _has_ to be present in | |
307 | * the typealiases (else fail). | |
308 | */ | |
add40b62 | 309 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 310 | type_specifier_list, node_type_declarator); |
add40b62 MD |
311 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
312 | if (!nested_declaration) { | |
78af2bcd | 313 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
314 | return NULL; |
315 | } | |
a3cca9e9 | 316 | } else { |
78af2bcd MD |
317 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
318 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 319 | } |
a3cca9e9 MD |
320 | } |
321 | ||
e397791f MD |
322 | if (!node_type_declarator) |
323 | return nested_declaration; | |
324 | ||
a3cca9e9 MD |
325 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
326 | if (node_type_declarator->u.type_declarator.u.id) | |
327 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
328 | else | |
329 | *field_name = 0; | |
330 | return nested_declaration; | |
331 | } else { | |
332 | struct declaration *declaration; | |
78af2bcd | 333 | struct ctf_node *length; |
a3cca9e9 MD |
334 | |
335 | /* TYPEDEC_NESTED */ | |
336 | ||
337 | /* create array/sequence, pass nested_declaration as child. */ | |
78af2bcd MD |
338 | length = node_type_declarator->u.type_declarator.u.nested.length; |
339 | if (!length) { | |
340 | fprintf(fd, "[error] %s: expecting length type or value.\n", __func__); | |
a0720417 MD |
341 | return NULL; |
342 | } | |
78af2bcd | 343 | switch (length->type) { |
a0720417 MD |
344 | case NODE_UNARY_EXPRESSION: |
345 | { | |
346 | struct declaration_array *array_declaration; | |
347 | size_t len; | |
348 | ||
78af2bcd MD |
349 | if (length->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
350 | fprintf(fd, "[error] %s: array: unexpected unary expression.\n", __func__); | |
a0720417 | 351 | return NULL; |
a3cca9e9 | 352 | } |
78af2bcd | 353 | len = length->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
354 | array_declaration = array_declaration_new(len, nested_declaration, |
355 | declaration_scope); | |
356 | declaration = &array_declaration->p; | |
357 | break; | |
358 | } | |
2dd46001 | 359 | case NODE_TYPE_SPECIFIER_LIST: |
a0720417 MD |
360 | { |
361 | struct declaration_sequence *sequence_declaration; | |
362 | struct declaration_integer *integer_declaration; | |
a0720417 | 363 | |
2dd46001 MD |
364 | declaration = ctf_type_specifier_list_visit(fd, depth, |
365 | length, declaration_scope, trace); | |
366 | if (!declaration) { | |
367 | fprintf(fd, "[error] %s: unable to find declaration type for sequence length\n", __func__); | |
368 | return NULL; | |
369 | } | |
370 | if (declaration->id != CTF_TYPE_INTEGER) { | |
371 | fprintf(fd, "[error] %s: length type for sequence is expected to be an integer (unsigned).\n", __func__); | |
372 | declaration_unref(declaration); | |
373 | return NULL; | |
374 | } | |
a0720417 | 375 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
2dd46001 MD |
376 | if (integer_declaration->signedness != false) { |
377 | fprintf(fd, "[error] %s: length type for sequence should always be an unsigned integer.\n", __func__); | |
378 | declaration_unref(declaration); | |
379 | return NULL; | |
380 | } | |
381 | ||
a0720417 MD |
382 | sequence_declaration = sequence_declaration_new(integer_declaration, |
383 | nested_declaration, declaration_scope); | |
384 | declaration = &sequence_declaration->p; | |
385 | break; | |
386 | } | |
387 | default: | |
388 | assert(0); | |
a3cca9e9 MD |
389 | } |
390 | ||
391 | /* Pass it as content of outer container */ | |
392 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 393 | type_specifier_list, field_name, |
a3cca9e9 | 394 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 395 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
396 | return declaration; |
397 | } | |
398 | } | |
399 | ||
400 | static | |
8fdba45b | 401 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 402 | struct declaration_struct *struct_declaration, |
78af2bcd | 403 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 404 | struct cds_list_head *type_declarators, |
e397791f MD |
405 | struct declaration_scope *declaration_scope, |
406 | struct ctf_trace *trace) | |
a3cca9e9 MD |
407 | { |
408 | struct ctf_node *iter; | |
409 | GQuark field_name; | |
410 | ||
411 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
412 | struct declaration *field_declaration; | |
413 | ||
414 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 415 | type_specifier_list, |
a3cca9e9 MD |
416 | &field_name, iter, |
417 | struct_declaration->scope, | |
e397791f | 418 | NULL, trace); |
2dd46001 MD |
419 | if (!field_declaration) { |
420 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
421 | return -EINVAL; | |
422 | } | |
a3cca9e9 MD |
423 | struct_declaration_add_field(struct_declaration, |
424 | g_quark_to_string(field_name), | |
425 | field_declaration); | |
426 | } | |
add40b62 MD |
427 | return 0; |
428 | } | |
a3cca9e9 | 429 | |
add40b62 | 430 | static |
8fdba45b | 431 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 432 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 433 | struct ctf_node *type_specifier_list, |
add40b62 | 434 | struct cds_list_head *type_declarators, |
e397791f MD |
435 | struct declaration_scope *declaration_scope, |
436 | struct ctf_trace *trace) | |
add40b62 MD |
437 | { |
438 | struct ctf_node *iter; | |
439 | GQuark field_name; | |
440 | ||
441 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
442 | struct declaration *field_declaration; | |
443 | ||
444 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 445 | type_specifier_list, |
add40b62 | 446 | &field_name, iter, |
a0720417 | 447 | untagged_variant_declaration->scope, |
e397791f | 448 | NULL, trace); |
2dd46001 MD |
449 | if (!field_declaration) { |
450 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
451 | return -EINVAL; | |
452 | } | |
a0720417 | 453 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
454 | g_quark_to_string(field_name), |
455 | field_declaration); | |
456 | } | |
a3cca9e9 MD |
457 | return 0; |
458 | } | |
459 | ||
460 | static | |
8fdba45b | 461 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 462 | struct ctf_node *type_specifier_list, |
e397791f MD |
463 | struct cds_list_head *type_declarators, |
464 | struct ctf_trace *trace) | |
a3cca9e9 MD |
465 | { |
466 | struct ctf_node *iter; | |
467 | GQuark identifier; | |
468 | ||
469 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
470 | struct declaration *type_declaration; | |
471 | int ret; | |
472 | ||
473 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 474 | type_specifier_list, |
a3cca9e9 | 475 | &identifier, iter, |
e397791f | 476 | scope, NULL, trace); |
2dd46001 MD |
477 | if (!type_declaration) { |
478 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
479 | return -EINVAL; | |
480 | } | |
481 | /* | |
482 | * Don't allow typedef and typealias of untagged | |
483 | * variants. | |
484 | */ | |
485 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
486 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
487 | declaration_unref(type_declaration); | |
488 | return -EPERM; | |
489 | } | |
a3cca9e9 MD |
490 | ret = register_declaration(identifier, type_declaration, scope); |
491 | if (ret) { | |
492 | type_declaration->declaration_free(type_declaration); | |
493 | return ret; | |
494 | } | |
495 | } | |
496 | return 0; | |
497 | } | |
498 | ||
499 | static | |
8fdba45b | 500 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
501 | struct ctf_node *target, struct ctf_node *alias, |
502 | struct ctf_trace *trace) | |
a3cca9e9 MD |
503 | { |
504 | struct declaration *type_declaration; | |
a0720417 | 505 | struct ctf_node *node; |
add40b62 | 506 | GQuark dummy_id; |
a3cca9e9 | 507 | GQuark alias_q; |
a0720417 | 508 | int err; |
a3cca9e9 MD |
509 | |
510 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
511 | ||
512 | /* | |
513 | * Create target type declaration. | |
514 | */ | |
515 | ||
427c09b7 | 516 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
517 | node = NULL; |
518 | else | |
427c09b7 | 519 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 520 | struct ctf_node, siblings); |
a3cca9e9 | 521 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 522 | target->u.typealias_target.type_specifier_list, |
a0720417 | 523 | &dummy_id, node, |
e397791f | 524 | scope, NULL, trace); |
a3cca9e9 | 525 | if (!type_declaration) { |
78af2bcd | 526 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
527 | err = -EINVAL; |
528 | goto error; | |
529 | } | |
2dd46001 MD |
530 | /* |
531 | * Don't allow typedef and typealias of untagged | |
532 | * variants. | |
533 | */ | |
534 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
535 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
536 | declaration_unref(type_declaration); | |
537 | return -EPERM; | |
538 | } | |
a3cca9e9 MD |
539 | /* |
540 | * The semantic validator does not check whether the target is | |
541 | * abstract or not (if it has an identifier). Check it here. | |
542 | */ | |
543 | if (dummy_id != 0) { | |
78af2bcd | 544 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
545 | err = -EINVAL; |
546 | goto error; | |
547 | } | |
548 | /* | |
549 | * Create alias identifier. | |
550 | */ | |
a3cca9e9 MD |
551 | |
552 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 553 | struct ctf_node, siblings); |
add40b62 | 554 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 555 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
556 | err = register_declaration(alias_q, type_declaration, scope); |
557 | if (err) | |
a3cca9e9 MD |
558 | goto error; |
559 | return 0; | |
560 | ||
561 | error: | |
562 | type_declaration->declaration_free(type_declaration); | |
a0720417 | 563 | return err; |
a3cca9e9 MD |
564 | } |
565 | ||
566 | static | |
8fdba45b | 567 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
568 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
569 | struct ctf_trace *trace) | |
a3cca9e9 | 570 | { |
a3cca9e9 MD |
571 | int ret; |
572 | ||
573 | switch (iter->type) { | |
574 | case NODE_TYPEDEF: | |
575 | /* For each declarator, declare type and add type to struct declaration scope */ | |
576 | ret = ctf_typedef_visit(fd, depth, | |
577 | struct_declaration->scope, | |
78af2bcd | 578 | iter->u._typedef.type_specifier_list, |
e397791f | 579 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
580 | if (ret) |
581 | return ret; | |
582 | break; | |
583 | case NODE_TYPEALIAS: | |
584 | /* Declare type with declarator and add type to struct declaration scope */ | |
585 | ret = ctf_typealias_visit(fd, depth, | |
586 | struct_declaration->scope, | |
587 | iter->u.typealias.target, | |
e397791f | 588 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
589 | if (ret) |
590 | return ret; | |
591 | break; | |
592 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
593 | /* Add field to structure declaration */ | |
594 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
595 | struct_declaration, | |
78af2bcd | 596 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
597 | &iter->u.struct_or_variant_declaration.type_declarators, |
598 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
599 | if (ret) |
600 | return ret; | |
601 | break; | |
602 | default: | |
78af2bcd | 603 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
604 | assert(0); |
605 | } | |
606 | return 0; | |
607 | } | |
608 | ||
add40b62 | 609 | static |
8fdba45b | 610 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
611 | struct ctf_node *iter, |
612 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 613 | struct ctf_trace *trace) |
add40b62 | 614 | { |
add40b62 MD |
615 | int ret; |
616 | ||
617 | switch (iter->type) { | |
618 | case NODE_TYPEDEF: | |
619 | /* For each declarator, declare type and add type to variant declaration scope */ | |
620 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 621 | untagged_variant_declaration->scope, |
78af2bcd | 622 | iter->u._typedef.type_specifier_list, |
e397791f | 623 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
624 | if (ret) |
625 | return ret; | |
626 | break; | |
627 | case NODE_TYPEALIAS: | |
628 | /* Declare type with declarator and add type to variant declaration scope */ | |
629 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 630 | untagged_variant_declaration->scope, |
add40b62 | 631 | iter->u.typealias.target, |
e397791f | 632 | iter->u.typealias.alias, trace); |
add40b62 MD |
633 | if (ret) |
634 | return ret; | |
635 | break; | |
636 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
637 | /* Add field to structure declaration */ | |
638 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 639 | untagged_variant_declaration, |
78af2bcd | 640 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
641 | &iter->u.struct_or_variant_declaration.type_declarators, |
642 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
643 | if (ret) |
644 | return ret; | |
645 | break; | |
646 | default: | |
78af2bcd | 647 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
648 | assert(0); |
649 | } | |
650 | return 0; | |
651 | } | |
652 | ||
a3cca9e9 | 653 | static |
a0720417 | 654 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 655 | int depth, const char *name, struct cds_list_head *declaration_list, |
e397791f MD |
656 | int has_body, struct declaration_scope *declaration_scope, |
657 | struct ctf_trace *trace) | |
a3cca9e9 | 658 | { |
a3cca9e9 MD |
659 | struct declaration_struct *struct_declaration; |
660 | struct ctf_node *iter; | |
a0720417 | 661 | int ret; |
a3cca9e9 MD |
662 | |
663 | /* | |
664 | * For named struct (without body), lookup in | |
665 | * declaration scope. Don't take reference on struct | |
666 | * declaration: ref is only taken upon definition. | |
667 | */ | |
668 | if (!has_body) { | |
669 | assert(name); | |
670 | struct_declaration = | |
671 | lookup_struct_declaration(g_quark_from_string(name), | |
672 | declaration_scope); | |
a0720417 | 673 | return &struct_declaration->p; |
a3cca9e9 MD |
674 | } else { |
675 | /* For unnamed struct, create type */ | |
676 | /* For named struct (with body), create type and add to declaration scope */ | |
677 | if (name) { | |
678 | if (lookup_struct_declaration(g_quark_from_string(name), | |
679 | declaration_scope)) { | |
680 | ||
78af2bcd | 681 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
682 | return NULL; |
683 | } | |
684 | } | |
a0720417 | 685 | struct_declaration = struct_declaration_new(declaration_scope); |
a3cca9e9 | 686 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
687 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
688 | struct_declaration, trace); | |
a3cca9e9 MD |
689 | if (ret) |
690 | goto error; | |
691 | } | |
692 | if (name) { | |
693 | ret = register_struct_declaration(g_quark_from_string(name), | |
694 | struct_declaration, | |
695 | declaration_scope); | |
696 | assert(!ret); | |
697 | } | |
a0720417 | 698 | return &struct_declaration->p; |
a3cca9e9 MD |
699 | } |
700 | error: | |
701 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
702 | return NULL; | |
703 | } | |
704 | ||
05628561 | 705 | static |
a0720417 MD |
706 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
707 | int depth, const char *name, const char *choice, | |
708 | struct cds_list_head *declaration_list, | |
e397791f MD |
709 | int has_body, struct declaration_scope *declaration_scope, |
710 | struct ctf_trace *trace) | |
05628561 | 711 | { |
a0720417 | 712 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
713 | struct declaration_variant *variant_declaration; |
714 | struct ctf_node *iter; | |
a0720417 | 715 | int ret; |
de47353a | 716 | |
add40b62 MD |
717 | /* |
718 | * For named variant (without body), lookup in | |
719 | * declaration scope. Don't take reference on variant | |
720 | * declaration: ref is only taken upon definition. | |
721 | */ | |
722 | if (!has_body) { | |
723 | assert(name); | |
a0720417 | 724 | untagged_variant_declaration = |
add40b62 MD |
725 | lookup_variant_declaration(g_quark_from_string(name), |
726 | declaration_scope); | |
add40b62 | 727 | } else { |
de47353a | 728 | /* For unnamed variant, create type */ |
add40b62 MD |
729 | /* For named variant (with body), create type and add to declaration scope */ |
730 | if (name) { | |
731 | if (lookup_variant_declaration(g_quark_from_string(name), | |
732 | declaration_scope)) { | |
733 | ||
78af2bcd | 734 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
735 | return NULL; |
736 | } | |
737 | } | |
a0720417 | 738 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 739 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 740 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 741 | untagged_variant_declaration, trace); |
add40b62 MD |
742 | if (ret) |
743 | goto error; | |
744 | } | |
745 | if (name) { | |
746 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 747 | untagged_variant_declaration, |
add40b62 MD |
748 | declaration_scope); |
749 | assert(!ret); | |
750 | } | |
a0720417 MD |
751 | } |
752 | /* | |
753 | * if tagged, create tagged variant and return. else return | |
754 | * untagged variant. | |
755 | */ | |
756 | if (!choice) { | |
757 | return &untagged_variant_declaration->p; | |
758 | } else { | |
759 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
760 | if (!variant_declaration) | |
761 | goto error; | |
762 | declaration_unref(&untagged_variant_declaration->p); | |
763 | return &variant_declaration->p; | |
de47353a | 764 | } |
add40b62 | 765 | error: |
2dd46001 | 766 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 767 | return NULL; |
05628561 MD |
768 | } |
769 | ||
05628561 | 770 | static |
8fdba45b | 771 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
772 | struct ctf_node *enumerator, |
773 | struct declaration_enum *enum_declaration) | |
774 | { | |
1cfda062 MD |
775 | GQuark q; |
776 | struct ctf_node *iter; | |
777 | ||
778 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 779 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
780 | int64_t start, end; |
781 | int nr_vals = 0; | |
782 | ||
a0720417 | 783 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
784 | int64_t *target; |
785 | ||
786 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
787 | if (nr_vals == 0) | |
788 | target = &start; | |
789 | else | |
790 | target = &end; | |
791 | ||
792 | switch (iter->u.unary_expression.type) { | |
793 | case UNARY_SIGNED_CONSTANT: | |
794 | *target = iter->u.unary_expression.u.signed_constant; | |
795 | break; | |
796 | case UNARY_UNSIGNED_CONSTANT: | |
797 | *target = iter->u.unary_expression.u.unsigned_constant; | |
798 | break; | |
799 | default: | |
78af2bcd | 800 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
801 | return -EINVAL; |
802 | } | |
803 | if (nr_vals > 1) { | |
78af2bcd | 804 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
805 | return -EINVAL; |
806 | } | |
807 | nr_vals++; | |
808 | } | |
809 | if (nr_vals == 1) | |
810 | end = start; | |
811 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 812 | } else { |
1cfda062 MD |
813 | uint64_t start, end; |
814 | int nr_vals = 0; | |
815 | ||
a0720417 MD |
816 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
817 | uint64_t *target; | |
1cfda062 MD |
818 | |
819 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
820 | if (nr_vals == 0) | |
821 | target = &start; | |
822 | else | |
823 | target = &end; | |
824 | ||
825 | switch (iter->u.unary_expression.type) { | |
826 | case UNARY_UNSIGNED_CONSTANT: | |
827 | *target = iter->u.unary_expression.u.unsigned_constant; | |
828 | break; | |
829 | case UNARY_SIGNED_CONSTANT: | |
830 | /* | |
831 | * We don't accept signed constants for enums with unsigned | |
832 | * container type. | |
833 | */ | |
78af2bcd | 834 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
835 | return -EINVAL; |
836 | default: | |
78af2bcd | 837 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
838 | return -EINVAL; |
839 | } | |
840 | if (nr_vals > 1) { | |
78af2bcd | 841 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
842 | return -EINVAL; |
843 | } | |
844 | nr_vals++; | |
845 | } | |
846 | if (nr_vals == 1) | |
847 | end = start; | |
848 | enum_unsigned_insert(enum_declaration, start, end, q); | |
849 | } | |
add40b62 MD |
850 | return 0; |
851 | } | |
852 | ||
853 | static | |
8fdba45b | 854 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 855 | const char *name, |
78af2bcd | 856 | struct ctf_node *container_type, |
add40b62 | 857 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
858 | int has_body, |
859 | struct declaration_scope *declaration_scope, | |
860 | struct ctf_trace *trace) | |
05628561 | 861 | { |
add40b62 MD |
862 | struct declaration *declaration; |
863 | struct declaration_enum *enum_declaration; | |
864 | struct declaration_integer *integer_declaration; | |
78af2bcd | 865 | struct ctf_node *iter; |
1cfda062 | 866 | GQuark dummy_id; |
a0720417 | 867 | int ret; |
add40b62 | 868 | |
05628561 | 869 | /* |
add40b62 MD |
870 | * For named enum (without body), lookup in |
871 | * declaration scope. Don't take reference on enum | |
872 | * declaration: ref is only taken upon definition. | |
05628561 | 873 | */ |
add40b62 MD |
874 | if (!has_body) { |
875 | assert(name); | |
876 | enum_declaration = | |
877 | lookup_enum_declaration(g_quark_from_string(name), | |
878 | declaration_scope); | |
a0720417 | 879 | return &enum_declaration->p; |
add40b62 MD |
880 | } else { |
881 | /* For unnamed enum, create type */ | |
882 | /* For named enum (with body), create type and add to declaration scope */ | |
883 | if (name) { | |
884 | if (lookup_enum_declaration(g_quark_from_string(name), | |
885 | declaration_scope)) { | |
886 | ||
78af2bcd | 887 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
888 | return NULL; |
889 | } | |
890 | } | |
78af2bcd | 891 | if (!container_type) { |
6743829a MD |
892 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
893 | declaration_scope); | |
894 | if (!declaration) { | |
895 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
896 | return NULL; | |
897 | } | |
898 | } else { | |
899 | declaration = ctf_type_declarator_visit(fd, depth, | |
900 | container_type, | |
901 | &dummy_id, NULL, | |
902 | declaration_scope, | |
903 | NULL, trace); | |
1cfda062 | 904 | } |
30ea18a1 MD |
905 | if (!declaration) { |
906 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
907 | return NULL; | |
908 | } | |
909 | if (declaration->id != CTF_TYPE_INTEGER) { | |
910 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
911 | return NULL; | |
1cfda062 | 912 | } |
30ea18a1 | 913 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 914 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
915 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
916 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
917 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
918 | if (ret) | |
919 | goto error; | |
920 | } | |
921 | if (name) { | |
922 | ret = register_enum_declaration(g_quark_from_string(name), | |
923 | enum_declaration, | |
924 | declaration_scope); | |
925 | assert(!ret); | |
926 | } | |
a0720417 | 927 | return &enum_declaration->p; |
05628561 | 928 | } |
add40b62 MD |
929 | error: |
930 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
931 | return NULL; | |
05628561 MD |
932 | } |
933 | ||
934 | static | |
8fdba45b | 935 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 936 | struct ctf_node *type_specifier_list, |
d20f5e59 | 937 | struct declaration_scope *declaration_scope) |
05628561 | 938 | { |
add40b62 MD |
939 | GString *str; |
940 | struct declaration *declaration; | |
a0720417 MD |
941 | char *str_c; |
942 | int ret; | |
943 | GQuark id_q; | |
05628561 | 944 | |
a0720417 | 945 | str = g_string_new(""); |
78af2bcd | 946 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
947 | if (ret) |
948 | return NULL; | |
949 | str_c = g_string_free(str, FALSE); | |
950 | id_q = g_quark_from_string(str_c); | |
951 | g_free(str_c); | |
952 | declaration = lookup_declaration(id_q, declaration_scope); | |
953 | return declaration; | |
954 | } | |
955 | ||
ab4cf058 MD |
956 | /* |
957 | * Returns 0/1 boolean, or < 0 on error. | |
958 | */ | |
959 | static | |
a0720417 | 960 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
961 | { |
962 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 963 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
964 | __func__); |
965 | return -EINVAL; | |
966 | } | |
967 | switch (unary_expression->u.unary_expression.type) { | |
968 | case UNARY_UNSIGNED_CONSTANT: | |
969 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
970 | return 0; | |
971 | else | |
972 | return 1; | |
973 | case UNARY_SIGNED_CONSTANT: | |
974 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
975 | return 0; | |
976 | else | |
977 | return 1; | |
978 | case UNARY_STRING: | |
979 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
980 | return 1; | |
981 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
982 | return 1; | |
983 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
984 | return 0; | |
985 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
986 | return 0; | |
987 | else { | |
78af2bcd | 988 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
989 | __func__, unary_expression->u.unary_expression.u.string); |
990 | return -EINVAL; | |
991 | } | |
992 | break; | |
993 | default: | |
78af2bcd | 994 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
995 | __func__); |
996 | return -EINVAL; | |
997 | } | |
998 | ||
999 | } | |
1000 | ||
0f980a35 MD |
1001 | static |
1002 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1003 | { | |
1004 | int byte_order; | |
1005 | ||
1006 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1007 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1008 | __func__); | |
1009 | return -EINVAL; | |
1010 | } | |
1011 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1012 | byte_order = BIG_ENDIAN; | |
1013 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1014 | byte_order = LITTLE_ENDIAN; | |
1015 | else { | |
1016 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1017 | __func__, unary_expression->u.unary_expression.u.string); | |
1018 | return -EINVAL; | |
1019 | } | |
1020 | return byte_order; | |
1021 | } | |
1022 | ||
ab4cf058 | 1023 | static |
a0720417 MD |
1024 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1025 | struct ctf_trace *trace) | |
ab4cf058 MD |
1026 | { |
1027 | int byte_order; | |
1028 | ||
1029 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1030 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1031 | __func__); |
1032 | return -EINVAL; | |
1033 | } | |
1034 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1035 | byte_order = trace->byte_order; | |
1036 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1037 | byte_order = BIG_ENDIAN; | |
1038 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1039 | byte_order = BIG_ENDIAN; | |
1040 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1041 | byte_order = LITTLE_ENDIAN; | |
1042 | else { | |
78af2bcd | 1043 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1044 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1045 | return -EINVAL; |
1046 | } | |
1047 | return byte_order; | |
1048 | } | |
1049 | ||
add40b62 | 1050 | static |
8fdba45b | 1051 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1052 | struct cds_list_head *expressions, |
1053 | struct ctf_trace *trace) | |
add40b62 | 1054 | { |
a0720417 | 1055 | struct ctf_node *expression; |
ab4cf058 MD |
1056 | uint64_t alignment, size; |
1057 | int byte_order = trace->byte_order; | |
1058 | int signedness = 0; | |
add40b62 MD |
1059 | int has_alignment = 0, has_size = 0; |
1060 | struct declaration_integer *integer_declaration; | |
1061 | ||
1062 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1063 | struct ctf_node *left, *right; |
add40b62 | 1064 | |
a0720417 MD |
1065 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1066 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1067 | assert(left->u.unary_expression.type == UNARY_STRING); |
1068 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1069 | signedness = get_boolean(fd, depth, right); |
1070 | if (signedness < 0) | |
1071 | return NULL; | |
add40b62 | 1072 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1073 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1074 | if (byte_order < 0) |
1075 | return NULL; | |
add40b62 | 1076 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1077 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1078 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1079 | __func__); |
1080 | return NULL; | |
1081 | } | |
1082 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1083 | has_size = 1; |
1084 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1085 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1086 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1087 | __func__); |
1088 | return NULL; | |
1089 | } | |
1090 | alignment = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1091 | has_alignment = 1; |
1092 | } else { | |
78af2bcd | 1093 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
add40b62 MD |
1094 | __func__, left->u.unary_expression.u.string); |
1095 | return NULL; | |
1096 | } | |
05628561 | 1097 | } |
add40b62 | 1098 | if (!has_size) { |
78af2bcd | 1099 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1100 | return NULL; |
1101 | } | |
ab4cf058 MD |
1102 | if (!has_alignment) { |
1103 | if (size % CHAR_BIT) { | |
1104 | /* bit-packed alignment */ | |
1105 | alignment = 1; | |
1106 | } else { | |
1107 | /* byte-packed alignment */ | |
1108 | alignment = CHAR_BIT; | |
1109 | } | |
1110 | } | |
add40b62 MD |
1111 | integer_declaration = integer_declaration_new(size, |
1112 | byte_order, signedness, alignment); | |
1113 | return &integer_declaration->p; | |
05628561 MD |
1114 | } |
1115 | ||
ab4cf058 | 1116 | static |
8fdba45b | 1117 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1118 | struct cds_list_head *expressions, |
1119 | struct ctf_trace *trace) | |
1120 | { | |
a0720417 | 1121 | struct ctf_node *expression; |
ab4cf058 MD |
1122 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; |
1123 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
1124 | struct declaration_float *float_declaration; | |
1125 | ||
1126 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1127 | struct ctf_node *left, *right; |
ab4cf058 | 1128 | |
a0720417 MD |
1129 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1130 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1131 | assert(left->u.unary_expression.type == UNARY_STRING); |
1132 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1133 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1134 | if (byte_order < 0) |
1135 | return NULL; | |
1136 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1137 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1138 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1139 | __func__); |
1140 | return NULL; | |
1141 | } | |
1142 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1143 | has_exp_dig = 1; | |
1144 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1145 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1146 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1147 | __func__); |
1148 | return NULL; | |
1149 | } | |
1150 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1151 | has_mant_dig = 1; | |
1152 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1153 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1154 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1155 | __func__); |
1156 | return NULL; | |
1157 | } | |
1158 | alignment = right->u.unary_expression.u.unsigned_constant; | |
1159 | has_alignment = 1; | |
1160 | } else { | |
78af2bcd | 1161 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1162 | __func__, left->u.unary_expression.u.string); |
1163 | return NULL; | |
1164 | } | |
1165 | } | |
1166 | if (!has_mant_dig) { | |
78af2bcd | 1167 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1168 | return NULL; |
1169 | } | |
1170 | if (!has_exp_dig) { | |
78af2bcd | 1171 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1172 | return NULL; |
1173 | } | |
1174 | if (!has_alignment) { | |
1175 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1176 | /* bit-packed alignment */ | |
1177 | alignment = 1; | |
1178 | } else { | |
1179 | /* byte-packed alignment */ | |
1180 | alignment = CHAR_BIT; | |
1181 | } | |
1182 | } | |
1183 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1184 | byte_order, alignment); | |
1185 | return &float_declaration->p; | |
1186 | } | |
1187 | ||
1188 | static | |
8fdba45b | 1189 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1190 | struct cds_list_head *expressions, |
1191 | struct ctf_trace *trace) | |
1192 | { | |
a0720417 | 1193 | struct ctf_node *expression; |
ab4cf058 MD |
1194 | const char *encoding_c = NULL; |
1195 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1196 | struct declaration_string *string_declaration; | |
1197 | ||
1198 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1199 | struct ctf_node *left, *right; |
ab4cf058 | 1200 | |
a0720417 MD |
1201 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1202 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1203 | assert(left->u.unary_expression.type == UNARY_STRING); |
1204 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1205 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1206 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1207 | __func__); |
1208 | return NULL; | |
1209 | } | |
1210 | encoding_c = right->u.unary_expression.u.string; | |
1211 | } else { | |
78af2bcd | 1212 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1213 | __func__, left->u.unary_expression.u.string); |
1214 | return NULL; | |
1215 | } | |
1216 | } | |
1217 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1218 | encoding = CTF_STRING_ASCII; | |
1219 | string_declaration = string_declaration_new(encoding); | |
1220 | return &string_declaration->p; | |
1221 | } | |
1222 | ||
1223 | ||
05628561 | 1224 | static |
78af2bcd MD |
1225 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1226 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1227 | struct declaration_scope *declaration_scope, |
1228 | struct ctf_trace *trace) | |
05628561 | 1229 | { |
a0720417 | 1230 | struct ctf_node *first; |
78af2bcd | 1231 | struct ctf_node *node; |
d20f5e59 | 1232 | |
427c09b7 MD |
1233 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1234 | ||
78af2bcd | 1235 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1236 | |
78af2bcd MD |
1237 | assert(first->type == NODE_TYPE_SPECIFIER); |
1238 | ||
1239 | node = first->u.type_specifier.node; | |
1240 | ||
1241 | switch (first->u.type_specifier.type) { | |
1242 | case TYPESPEC_FLOATING_POINT: | |
1243 | return ctf_declaration_floating_point_visit(fd, depth, | |
1244 | &node->u.floating_point.expressions, trace); | |
1245 | case TYPESPEC_INTEGER: | |
1246 | return ctf_declaration_integer_visit(fd, depth, | |
1247 | &node->u.integer.expressions, trace); | |
1248 | case TYPESPEC_STRING: | |
1249 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1250 | &node->u.string.expressions, trace); |
78af2bcd | 1251 | case TYPESPEC_STRUCT: |
add40b62 | 1252 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1253 | node->u._struct.name, |
1254 | &node->u._struct.declaration_list, | |
1255 | node->u._struct.has_body, | |
ab4cf058 MD |
1256 | declaration_scope, |
1257 | trace); | |
78af2bcd | 1258 | case TYPESPEC_VARIANT: |
add40b62 | 1259 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1260 | node->u.variant.name, |
1261 | node->u.variant.choice, | |
1262 | &node->u.variant.declaration_list, | |
1263 | node->u.variant.has_body, | |
ab4cf058 MD |
1264 | declaration_scope, |
1265 | trace); | |
78af2bcd | 1266 | case TYPESPEC_ENUM: |
add40b62 | 1267 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1268 | node->u._enum.enum_id, |
1269 | node->u._enum.container_type, | |
1270 | &node->u._enum.enumerator_list, | |
1271 | node->u._enum.has_body, | |
1cfda062 | 1272 | declaration_scope, |
ab4cf058 | 1273 | trace); |
78af2bcd MD |
1274 | |
1275 | case TYPESPEC_VOID: | |
1276 | case TYPESPEC_CHAR: | |
1277 | case TYPESPEC_SHORT: | |
1278 | case TYPESPEC_INT: | |
1279 | case TYPESPEC_LONG: | |
1280 | case TYPESPEC_FLOAT: | |
1281 | case TYPESPEC_DOUBLE: | |
1282 | case TYPESPEC_SIGNED: | |
1283 | case TYPESPEC_UNSIGNED: | |
1284 | case TYPESPEC_BOOL: | |
1285 | case TYPESPEC_COMPLEX: | |
1286 | case TYPESPEC_IMAGINARY: | |
1287 | case TYPESPEC_CONST: | |
1288 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1289 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1290 | type_specifier_list, declaration_scope); |
a0720417 | 1291 | default: |
78af2bcd | 1292 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1293 | return NULL; |
add40b62 | 1294 | } |
05628561 MD |
1295 | } |
1296 | ||
1297 | static | |
1298 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1299 | { | |
1300 | int ret = 0; | |
1301 | ||
1302 | switch (node->type) { | |
1303 | case NODE_TYPEDEF: | |
1304 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1305 | event->declaration_scope, |
78af2bcd | 1306 | node->u._typedef.type_specifier_list, |
05628561 | 1307 | &node->u._typedef.type_declarators, |
a0720417 | 1308 | trace); |
05628561 MD |
1309 | if (ret) |
1310 | return ret; | |
1311 | break; | |
1312 | case NODE_TYPEALIAS: | |
1313 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1314 | event->declaration_scope, |
1315 | node->u.typealias.target, node->u.typealias.alias, | |
1316 | trace); | |
05628561 MD |
1317 | if (ret) |
1318 | return ret; | |
1319 | break; | |
1320 | case NODE_CTF_EXPRESSION: | |
1321 | { | |
1322 | char *left; | |
1323 | ||
1324 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1325 | if (!strcmp(left, "name")) { | |
1326 | char *right; | |
1327 | ||
427c09b7 MD |
1328 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1329 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1330 | ret = -EPERM; |
1331 | goto error; | |
427c09b7 | 1332 | } |
05628561 MD |
1333 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1334 | if (!right) { | |
78af2bcd | 1335 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1336 | ret = -EINVAL; |
1337 | goto error; | |
05628561 MD |
1338 | } |
1339 | event->name = g_quark_from_string(right); | |
41253107 | 1340 | g_free(right); |
05628561 MD |
1341 | CTF_EVENT_SET_FIELD(event, name); |
1342 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1343 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1344 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1345 | ret = -EPERM; |
1346 | goto error; | |
427c09b7 | 1347 | } |
05628561 MD |
1348 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1349 | if (ret) { | |
78af2bcd | 1350 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1351 | ret = -EINVAL; |
1352 | goto error; | |
05628561 MD |
1353 | } |
1354 | CTF_EVENT_SET_FIELD(event, id); | |
1355 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1356 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1357 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1358 | ret = -EPERM; |
1359 | goto error; | |
427c09b7 | 1360 | } |
05628561 MD |
1361 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1362 | if (ret) { | |
78af2bcd | 1363 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1364 | ret = -EINVAL; |
1365 | goto error; | |
05628561 MD |
1366 | } |
1367 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1368 | if (!event->stream) { | |
78af2bcd | 1369 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1370 | ret = -EINVAL; |
1371 | goto error; | |
05628561 | 1372 | } |
05628561 MD |
1373 | CTF_EVENT_SET_FIELD(event, stream_id); |
1374 | } else if (!strcmp(left, "context")) { | |
1375 | struct declaration *declaration; | |
1376 | ||
427c09b7 MD |
1377 | if (event->context_decl) { |
1378 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1379 | ret = -EINVAL; |
1380 | goto error; | |
427c09b7 | 1381 | } |
78af2bcd MD |
1382 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1383 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1384 | struct ctf_node, siblings), | |
ab4cf058 | 1385 | event->declaration_scope, trace); |
0f980a35 MD |
1386 | if (!declaration) { |
1387 | ret = -EPERM; | |
1388 | goto error; | |
1389 | } | |
1390 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1391 | ret = -EPERM; | |
1392 | goto error; | |
1393 | } | |
9e29e16e | 1394 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1395 | } else if (!strcmp(left, "fields")) { |
1396 | struct declaration *declaration; | |
1397 | ||
427c09b7 MD |
1398 | if (event->fields_decl) { |
1399 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1400 | ret = -EINVAL; |
1401 | goto error; | |
427c09b7 | 1402 | } |
78af2bcd MD |
1403 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1404 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1405 | struct ctf_node, siblings), | |
ab4cf058 | 1406 | event->declaration_scope, trace); |
0f980a35 MD |
1407 | if (!declaration) { |
1408 | ret = -EPERM; | |
1409 | goto error; | |
1410 | } | |
1411 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1412 | ret = -EPERM; | |
1413 | goto error; | |
1414 | } | |
9e29e16e | 1415 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1416 | } |
0f980a35 | 1417 | error: |
41253107 | 1418 | g_free(left); |
05628561 MD |
1419 | break; |
1420 | } | |
1421 | default: | |
1422 | return -EPERM; | |
1423 | /* TODO: declaration specifier should be added. */ | |
1424 | } | |
1425 | ||
0f980a35 | 1426 | return ret; |
05628561 MD |
1427 | } |
1428 | ||
1429 | static | |
1430 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1431 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1432 | { |
1433 | int ret = 0; | |
1434 | struct ctf_node *iter; | |
1435 | struct ctf_event *event; | |
9e29e16e | 1436 | struct definition_scope *parent_def_scope; |
05628561 MD |
1437 | |
1438 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1439 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1440 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1441 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1442 | if (ret) | |
1443 | goto error; | |
1444 | } | |
1445 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1446 | ret = -EPERM; | |
427c09b7 | 1447 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1448 | goto error; |
1449 | } | |
05628561 | 1450 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1451 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1452 | switch (trace->streams->len) { |
1453 | case 0: /* Create stream if there was none. */ | |
1454 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1455 | if (ret) | |
1456 | goto error; | |
1457 | /* Fall-through */ | |
1458 | case 1: | |
0f980a35 MD |
1459 | event->stream_id = 0; |
1460 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1461 | break; |
1462 | default: | |
0f980a35 MD |
1463 | ret = -EPERM; |
1464 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1465 | goto error; | |
1466 | } | |
05628561 | 1467 | } |
8c572eba MD |
1468 | /* Allow only one event without id per stream */ |
1469 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1470 | && event->stream->events_by_id->len != 0) { | |
1471 | ret = -EPERM; | |
1472 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1473 | goto error; | |
1474 | } | |
05628561 MD |
1475 | if (event->stream->events_by_id->len <= event->id) |
1476 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1477 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1478 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1479 | (gpointer)(unsigned long) event->name, | |
1480 | &event->id); | |
a0720417 | 1481 | parent_def_scope = event->stream->definition_scope; |
9e29e16e MD |
1482 | if (event->context_decl) { |
1483 | event->context = | |
a0720417 MD |
1484 | container_of( |
1485 | event->context_decl->p.definition_new(&event->context_decl->p, | |
1486 | parent_def_scope, 0, 0), | |
1487 | struct definition_struct, p); | |
6a36ddca MD |
1488 | set_dynamic_definition_scope(&event->context->p, |
1489 | event->context->scope, | |
d00d17d1 | 1490 | "event.context"); |
9e29e16e | 1491 | parent_def_scope = event->context->scope; |
a0720417 | 1492 | declaration_unref(&event->context_decl->p); |
9e29e16e MD |
1493 | } |
1494 | if (event->fields_decl) { | |
1495 | event->fields = | |
a0720417 MD |
1496 | container_of( |
1497 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
1498 | parent_def_scope, 0, 0), | |
1499 | struct definition_struct, p); | |
6a36ddca MD |
1500 | set_dynamic_definition_scope(&event->fields->p, |
1501 | event->fields->scope, | |
d00d17d1 | 1502 | "event.fields"); |
9e29e16e | 1503 | parent_def_scope = event->fields->scope; |
a0720417 | 1504 | declaration_unref(&event->fields_decl->p); |
9e29e16e | 1505 | } |
05628561 MD |
1506 | return 0; |
1507 | ||
1508 | error: | |
a0720417 MD |
1509 | declaration_unref(&event->fields_decl->p); |
1510 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1511 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1512 | g_free(event); |
1513 | return ret; | |
1514 | } | |
1515 | ||
1516 | ||
1517 | static | |
1518 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream *stream, struct ctf_trace *trace) | |
1519 | { | |
1520 | int ret = 0; | |
1521 | ||
1522 | switch (node->type) { | |
1523 | case NODE_TYPEDEF: | |
1524 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1525 | stream->declaration_scope, |
78af2bcd | 1526 | node->u._typedef.type_specifier_list, |
05628561 | 1527 | &node->u._typedef.type_declarators, |
a0720417 | 1528 | trace); |
05628561 MD |
1529 | if (ret) |
1530 | return ret; | |
1531 | break; | |
1532 | case NODE_TYPEALIAS: | |
1533 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1534 | stream->declaration_scope, |
1535 | node->u.typealias.target, node->u.typealias.alias, | |
1536 | trace); | |
05628561 MD |
1537 | if (ret) |
1538 | return ret; | |
1539 | break; | |
1540 | case NODE_CTF_EXPRESSION: | |
1541 | { | |
1542 | char *left; | |
1543 | ||
1544 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1545 | if (!strcmp(left, "id")) { |
1546 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1547 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1548 | ret = -EPERM; |
1549 | goto error; | |
427c09b7 | 1550 | } |
a0720417 | 1551 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1552 | if (ret) { |
427c09b7 | 1553 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1554 | ret = -EINVAL; |
1555 | goto error; | |
05628561 | 1556 | } |
a0720417 | 1557 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1558 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1559 | struct declaration *declaration; |
1560 | ||
427c09b7 MD |
1561 | if (stream->event_header_decl) { |
1562 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1563 | ret = -EINVAL; |
1564 | goto error; | |
427c09b7 | 1565 | } |
78af2bcd MD |
1566 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1567 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1568 | struct ctf_node, siblings), | |
a0720417 | 1569 | stream->declaration_scope, trace); |
0f980a35 MD |
1570 | if (!declaration) { |
1571 | ret = -EPERM; | |
1572 | goto error; | |
1573 | } | |
1574 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1575 | ret = -EPERM; | |
1576 | goto error; | |
1577 | } | |
9e29e16e MD |
1578 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1579 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1580 | struct declaration *declaration; |
1581 | ||
427c09b7 MD |
1582 | if (stream->event_context_decl) { |
1583 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1584 | ret = -EINVAL; |
1585 | goto error; | |
427c09b7 | 1586 | } |
78af2bcd MD |
1587 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1588 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1589 | struct ctf_node, siblings), | |
ab4cf058 | 1590 | stream->declaration_scope, trace); |
0f980a35 MD |
1591 | if (!declaration) { |
1592 | ret = -EPERM; | |
1593 | goto error; | |
1594 | } | |
1595 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1596 | ret = -EPERM; | |
1597 | goto error; | |
1598 | } | |
9e29e16e MD |
1599 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1600 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1601 | struct declaration *declaration; |
1602 | ||
427c09b7 MD |
1603 | if (stream->packet_context_decl) { |
1604 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1605 | ret = -EINVAL; |
1606 | goto error; | |
427c09b7 | 1607 | } |
78af2bcd MD |
1608 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1609 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1610 | struct ctf_node, siblings), | |
ab4cf058 | 1611 | stream->declaration_scope, trace); |
0f980a35 MD |
1612 | if (!declaration) { |
1613 | ret = -EPERM; | |
1614 | goto error; | |
1615 | } | |
1616 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1617 | ret = -EPERM; | |
1618 | goto error; | |
1619 | } | |
9e29e16e | 1620 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1621 | } |
0f980a35 | 1622 | error: |
41253107 | 1623 | g_free(left); |
05628561 MD |
1624 | break; |
1625 | } | |
1626 | default: | |
1627 | return -EPERM; | |
1628 | /* TODO: declaration specifier should be added. */ | |
1629 | } | |
1630 | ||
0f980a35 | 1631 | return ret; |
05628561 MD |
1632 | } |
1633 | ||
1634 | static | |
1635 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1636 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1637 | { |
1638 | int ret = 0; | |
1639 | struct ctf_node *iter; | |
1640 | struct ctf_stream *stream; | |
9e29e16e | 1641 | struct definition_scope *parent_def_scope; |
05628561 MD |
1642 | |
1643 | stream = g_new0(struct ctf_stream, 1); | |
d20f5e59 | 1644 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1645 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1646 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
0f980a35 | 1647 | stream->files = g_ptr_array_new(); |
33105c61 MD |
1648 | if (node) { |
1649 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1650 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1651 | if (ret) | |
1652 | goto error; | |
1653 | } | |
05628561 | 1654 | } |
0f980a35 MD |
1655 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1656 | /* check that packet header has stream_id field. */ | |
1657 | if (!trace->packet_header_decl | |
1658 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1659 | ret = -EPERM; | |
1660 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1661 | goto error; | |
1662 | } | |
8c572eba MD |
1663 | } else { |
1664 | /* Allow only one id-less stream */ | |
1665 | if (trace->streams->len != 0) { | |
1666 | ret = -EPERM; | |
1667 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1668 | goto error; | |
1669 | } | |
1670 | stream->stream_id = 0; | |
05628561 MD |
1671 | } |
1672 | if (trace->streams->len <= stream->stream_id) | |
1673 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1674 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1675 | |
0f980a35 | 1676 | parent_def_scope = trace->definition_scope; |
9e29e16e MD |
1677 | if (stream->packet_context_decl) { |
1678 | stream->packet_context = | |
a0720417 MD |
1679 | container_of( |
1680 | stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p, | |
1681 | parent_def_scope, 0, 0), | |
1682 | struct definition_struct, p); | |
6a36ddca MD |
1683 | set_dynamic_definition_scope(&stream->packet_context->p, |
1684 | stream->packet_context->scope, | |
d00d17d1 | 1685 | "stream.packet.context"); |
9e29e16e | 1686 | parent_def_scope = stream->packet_context->scope; |
a0720417 | 1687 | declaration_unref(&stream->packet_context_decl->p); |
9e29e16e MD |
1688 | } |
1689 | if (stream->event_header_decl) { | |
1690 | stream->event_header = | |
a0720417 MD |
1691 | container_of( |
1692 | stream->event_header_decl->p.definition_new(&stream->event_header_decl->p, | |
1693 | parent_def_scope, 0, 0), | |
1694 | struct definition_struct, p); | |
6a36ddca MD |
1695 | set_dynamic_definition_scope(&stream->event_header->p, |
1696 | stream->event_header->scope, | |
d00d17d1 | 1697 | "stream.event.header"); |
9e29e16e | 1698 | parent_def_scope = stream->event_header->scope; |
a0720417 | 1699 | declaration_unref(&stream->event_header_decl->p); |
9e29e16e MD |
1700 | } |
1701 | if (stream->event_context_decl) { | |
1702 | stream->event_context = | |
a0720417 MD |
1703 | container_of( |
1704 | stream->event_context_decl->p.definition_new(&stream->event_context_decl->p, | |
1705 | parent_def_scope, 0, 0), | |
1706 | struct definition_struct, p); | |
6a36ddca MD |
1707 | set_dynamic_definition_scope(&stream->event_context->p, |
1708 | stream->event_context->scope, | |
d00d17d1 | 1709 | "stream.event.context"); |
9e29e16e | 1710 | parent_def_scope = stream->event_context->scope; |
a0720417 | 1711 | declaration_unref(&stream->event_context_decl->p); |
9e29e16e | 1712 | } |
41253107 | 1713 | stream->definition_scope = parent_def_scope; |
9e29e16e | 1714 | |
05628561 MD |
1715 | return 0; |
1716 | ||
1717 | error: | |
a0720417 MD |
1718 | declaration_unref(&stream->event_header_decl->p); |
1719 | declaration_unref(&stream->event_context_decl->p); | |
1720 | declaration_unref(&stream->packet_context_decl->p); | |
0f980a35 | 1721 | g_ptr_array_free(stream->files, TRUE); |
05628561 | 1722 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1723 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1724 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1725 | g_free(stream); |
1726 | return ret; | |
1727 | } | |
1728 | ||
1729 | static | |
1730 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1731 | { | |
1732 | int ret = 0; | |
1733 | ||
1734 | switch (node->type) { | |
1735 | case NODE_TYPEDEF: | |
1736 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1737 | trace->declaration_scope, |
78af2bcd | 1738 | node->u._typedef.type_specifier_list, |
05628561 | 1739 | &node->u._typedef.type_declarators, |
a0720417 | 1740 | trace); |
05628561 MD |
1741 | if (ret) |
1742 | return ret; | |
1743 | break; | |
1744 | case NODE_TYPEALIAS: | |
1745 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1746 | trace->declaration_scope, |
1747 | node->u.typealias.target, node->u.typealias.alias, | |
1748 | trace); | |
05628561 MD |
1749 | if (ret) |
1750 | return ret; | |
1751 | break; | |
1752 | case NODE_CTF_EXPRESSION: | |
1753 | { | |
1754 | char *left; | |
1755 | ||
1756 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1757 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1758 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1759 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1760 | ret = -EPERM; |
1761 | goto error; | |
427c09b7 | 1762 | } |
05628561 MD |
1763 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1764 | if (ret) { | |
78af2bcd | 1765 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1766 | ret = -EINVAL; |
1767 | goto error; | |
05628561 | 1768 | } |
a0720417 | 1769 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1770 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1771 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1772 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1773 | ret = -EPERM; |
1774 | goto error; | |
427c09b7 | 1775 | } |
05628561 MD |
1776 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1777 | if (ret) { | |
78af2bcd | 1778 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1779 | ret = -EINVAL; |
1780 | goto error; | |
05628561 | 1781 | } |
a0720417 | 1782 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1783 | } else if (!strcmp(left, "uuid")) { |
427c09b7 MD |
1784 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
1785 | fprintf(fd, "[error] %s: uuid already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1786 | ret = -EPERM; |
1787 | goto error; | |
427c09b7 | 1788 | } |
05628561 MD |
1789 | ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid); |
1790 | if (ret) { | |
78af2bcd | 1791 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1792 | ret = -EINVAL; |
1793 | goto error; | |
05628561 | 1794 | } |
a0720417 | 1795 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
1796 | } else if (!strcmp(left, "byte_order")) { |
1797 | struct ctf_node *right; | |
1798 | int byte_order; | |
1799 | ||
1800 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
1801 | fprintf(fd, "[error] %s: endianness already declared in trace declaration\n", __func__); | |
1802 | ret = -EPERM; | |
1803 | goto error; | |
1804 | } | |
1805 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); | |
1806 | byte_order = get_trace_byte_order(fd, depth, right); | |
1807 | if (byte_order < 0) | |
1808 | return -EINVAL; | |
1809 | trace->byte_order = byte_order; | |
1810 | CTF_TRACE_SET_FIELD(trace, byte_order); | |
1811 | } else if (!strcmp(left, "packet.header")) { | |
1812 | struct declaration *declaration; | |
1813 | ||
1814 | if (trace->packet_header_decl) { | |
1815 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
1816 | ret = -EINVAL; | |
1817 | goto error; | |
1818 | } | |
1819 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
1820 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1821 | struct ctf_node, siblings), | |
1822 | trace->declaration_scope, trace); | |
1823 | if (!declaration) { | |
1824 | ret = -EPERM; | |
1825 | goto error; | |
1826 | } | |
1827 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1828 | ret = -EPERM; | |
1829 | goto error; | |
1830 | } | |
1831 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
05628561 | 1832 | } |
0f980a35 | 1833 | error: |
41253107 | 1834 | g_free(left); |
05628561 MD |
1835 | break; |
1836 | } | |
1837 | default: | |
1838 | return -EPERM; | |
1839 | /* TODO: declaration specifier should be added. */ | |
1840 | } | |
1841 | ||
0f980a35 | 1842 | return ret; |
05628561 MD |
1843 | } |
1844 | ||
05628561 MD |
1845 | static |
1846 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1847 | { | |
0f980a35 | 1848 | struct definition_scope *parent_def_scope; |
05628561 MD |
1849 | int ret = 0; |
1850 | struct ctf_node *iter; | |
1851 | ||
d20f5e59 | 1852 | if (trace->declaration_scope) |
05628561 | 1853 | return -EEXIST; |
d20f5e59 | 1854 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
1855 | trace->streams = g_ptr_array_new(); |
1856 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
1857 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
1858 | if (ret) | |
1859 | goto error; | |
1860 | } | |
a0720417 | 1861 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 1862 | ret = -EPERM; |
427c09b7 | 1863 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
1864 | goto error; |
1865 | } | |
a0720417 | 1866 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 1867 | ret = -EPERM; |
427c09b7 | 1868 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
1869 | goto error; |
1870 | } | |
a0720417 | 1871 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 1872 | ret = -EPERM; |
427c09b7 | 1873 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
1874 | goto error; |
1875 | } | |
dc48ecad MD |
1876 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
1877 | ret = -EPERM; | |
1878 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
1879 | goto error; | |
1880 | } | |
0f980a35 MD |
1881 | |
1882 | parent_def_scope = NULL; | |
1883 | if (trace->packet_header_decl) { | |
1884 | trace->packet_header = | |
1885 | container_of( | |
1886 | trace->packet_header_decl->p.definition_new(&trace->packet_header_decl->p, | |
1887 | parent_def_scope, 0, 0), | |
1888 | struct definition_struct, p); | |
1889 | set_dynamic_definition_scope(&trace->packet_header->p, | |
1890 | trace->packet_header->scope, | |
1891 | "trace.packet.header"); | |
1892 | parent_def_scope = trace->packet_header->scope; | |
1893 | declaration_unref(&trace->packet_header_decl->p); | |
1894 | } | |
1895 | trace->definition_scope = parent_def_scope; | |
1896 | ||
1897 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
1898 | /* check that the packet header contains a "magic" field */ | |
1899 | if (!trace->packet_header | |
1900 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { | |
1901 | ret = -EPERM; | |
1902 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
1903 | goto error_free_def; | |
1904 | } | |
1905 | } | |
05628561 MD |
1906 | return 0; |
1907 | ||
0f980a35 MD |
1908 | error_free_def: |
1909 | definition_unref(&trace->packet_header->p); | |
05628561 MD |
1910 | error: |
1911 | g_ptr_array_free(trace->streams, TRUE); | |
a0720417 | 1912 | free_declaration_scope(trace->declaration_scope); |
05628561 MD |
1913 | return ret; |
1914 | } | |
1915 | ||
78af2bcd MD |
1916 | static |
1917 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1918 | { | |
1919 | int ret = 0; | |
1920 | ||
1921 | switch (node->type) { | |
1922 | case NODE_TYPEDEF: | |
1923 | ret = ctf_typedef_visit(fd, depth + 1, | |
1924 | trace->root_declaration_scope, | |
1925 | node->u._typedef.type_specifier_list, | |
1926 | &node->u._typedef.type_declarators, | |
1927 | trace); | |
1928 | if (ret) | |
1929 | return ret; | |
1930 | break; | |
1931 | case NODE_TYPEALIAS: | |
1932 | ret = ctf_typealias_visit(fd, depth + 1, | |
1933 | trace->root_declaration_scope, | |
1934 | node->u.typealias.target, node->u.typealias.alias, | |
1935 | trace); | |
1936 | if (ret) | |
1937 | return ret; | |
1938 | break; | |
1939 | case NODE_TYPE_SPECIFIER_LIST: | |
1940 | { | |
1941 | struct declaration *declaration; | |
1942 | ||
1943 | /* | |
1944 | * Just add the type specifier to the root scope | |
1945 | * declaration scope. Release local reference. | |
1946 | */ | |
1947 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
1948 | node, trace->root_declaration_scope, trace); | |
1949 | if (!declaration) | |
1950 | return -ENOMEM; | |
1951 | declaration_unref(declaration); | |
1952 | break; | |
1953 | } | |
1954 | default: | |
1955 | return -EPERM; | |
1956 | } | |
1957 | ||
1958 | return 0; | |
1959 | } | |
1960 | ||
ab4cf058 MD |
1961 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
1962 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
1963 | { |
1964 | int ret = 0; | |
1965 | struct ctf_node *iter; | |
1966 | ||
c8b219a3 | 1967 | printf_verbose("CTF visitor: metadata construction... "); |
78af2bcd | 1968 | trace->root_declaration_scope = new_declaration_scope(NULL); |
ab4cf058 MD |
1969 | trace->byte_order = byte_order; |
1970 | ||
05628561 MD |
1971 | switch (node->type) { |
1972 | case NODE_ROOT: | |
3e11b713 | 1973 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 1974 | siblings) { |
78af2bcd | 1975 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
1976 | if (ret) { |
1977 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
78af2bcd | 1978 | return ret; |
427c09b7 | 1979 | } |
05628561 MD |
1980 | } |
1981 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
1982 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
427c09b7 MD |
1983 | if (ret) { |
1984 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
05628561 | 1985 | return ret; |
427c09b7 | 1986 | } |
05628561 | 1987 | } |
5039b4cc MD |
1988 | if (!trace->streams) { |
1989 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
1990 | return -EINVAL; | |
1991 | } | |
05628561 MD |
1992 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
1993 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 1994 | trace->root_declaration_scope, trace); |
427c09b7 MD |
1995 | if (ret) { |
1996 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
05628561 | 1997 | return ret; |
427c09b7 | 1998 | } |
05628561 MD |
1999 | } |
2000 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2001 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2002 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2003 | if (ret) { |
2004 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
05628561 | 2005 | return ret; |
427c09b7 | 2006 | } |
05628561 MD |
2007 | } |
2008 | break; | |
05628561 MD |
2009 | case NODE_UNKNOWN: |
2010 | default: | |
78af2bcd | 2011 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 MD |
2012 | (int) node->type); |
2013 | return -EINVAL; | |
2014 | } | |
c8b219a3 | 2015 | printf_verbose("done.\n"); |
05628561 MD |
2016 | return ret; |
2017 | } |