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