Commit | Line | Data |
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05628561 MD |
1 | /* |
2 | * ctf-visitor-generate-io-struct.c | |
3 | * | |
4 | * Common Trace Format Metadata Visitor (generate I/O structures). | |
5 | * | |
6 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <unistd.h> | |
21 | #include <string.h> | |
22 | #include <stdlib.h> | |
23 | #include <assert.h> | |
24 | #include <glib.h> | |
25 | #include <inttypes.h> | |
add40b62 | 26 | #include <endian.h> |
05628561 MD |
27 | #include <errno.h> |
28 | #include <babeltrace/list.h> | |
a0720417 MD |
29 | #include <babeltrace/types.h> |
30 | #include <babeltrace/ctf/metadata.h> | |
41253107 | 31 | #include <uuid/uuid.h> |
05628561 MD |
32 | #include "ctf-scanner.h" |
33 | #include "ctf-parser.h" | |
34 | #include "ctf-ast.h" | |
35 | ||
36 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) | |
37 | ||
de47353a MD |
38 | #define _cds_list_first_entry(ptr, type, member) \ |
39 | cds_list_entry((ptr)->next, type, member) | |
05628561 | 40 | |
a3cca9e9 | 41 | static |
78af2bcd MD |
42 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
43 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
44 | struct declaration_scope *declaration_scope, |
45 | struct ctf_trace *trace); | |
a3cca9e9 | 46 | |
05628561 | 47 | /* |
41253107 | 48 | * String returned must be freed by the caller using g_free. |
05628561 MD |
49 | */ |
50 | static | |
add40b62 | 51 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 52 | { |
41253107 MD |
53 | struct ctf_node *node; |
54 | GString *str; | |
55 | int i = 0; | |
56 | ||
a0720417 | 57 | str = g_string_new(""); |
41253107 MD |
58 | cds_list_for_each_entry(node, head, siblings) { |
59 | char *src_string; | |
60 | ||
61 | assert(node->type == NODE_UNARY_EXPRESSION); | |
62 | assert(node->u.unary_expression.type == UNARY_STRING); | |
63 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
a0720417 | 64 | ^ (i != 0)); |
41253107 MD |
65 | switch (node->u.unary_expression.link) { |
66 | case UNARY_DOTLINK: | |
a0720417 | 67 | g_string_append(str, "."); |
41253107 MD |
68 | break; |
69 | case UNARY_ARROWLINK: | |
a0720417 | 70 | g_string_append(str, "->"); |
41253107 MD |
71 | break; |
72 | case UNARY_DOTDOTDOT: | |
a0720417 MD |
73 | g_string_append(str, "..."); |
74 | break; | |
75 | default: | |
41253107 MD |
76 | break; |
77 | } | |
a0720417 | 78 | src_string = node->u.unary_expression.u.string; |
41253107 MD |
79 | g_string_append(str, src_string); |
80 | i++; | |
81 | } | |
82 | return g_string_free(str, FALSE); | |
05628561 MD |
83 | } |
84 | ||
85 | static | |
add40b62 | 86 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 87 | { |
41253107 MD |
88 | struct ctf_node *node; |
89 | int i = 0; | |
90 | ||
91 | cds_list_for_each_entry(node, head, siblings) { | |
92 | assert(node->type == NODE_UNARY_EXPRESSION); | |
93 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
94 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
95 | assert(i == 0); | |
a0720417 | 96 | *value = node->u.unary_expression.u.unsigned_constant; |
41253107 MD |
97 | i++; |
98 | } | |
99 | return 0; | |
05628561 MD |
100 | } |
101 | ||
102 | static | |
add40b62 | 103 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 104 | { |
41253107 MD |
105 | struct ctf_node *node; |
106 | int i = 0; | |
107 | int ret = -1; | |
108 | ||
109 | cds_list_for_each_entry(node, head, siblings) { | |
110 | const char *src_string; | |
111 | ||
112 | assert(node->type == NODE_UNARY_EXPRESSION); | |
113 | assert(node->u.unary_expression.type == UNARY_STRING); | |
114 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
115 | assert(i == 0); | |
a0720417 MD |
116 | src_string = node->u.unary_expression.u.string; |
117 | ret = uuid_parse(node->u.unary_expression.u.string, *uuid); | |
41253107 MD |
118 | } |
119 | return ret; | |
05628561 MD |
120 | } |
121 | ||
122 | static | |
123 | struct ctf_stream *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) | |
124 | { | |
125 | if (trace->streams->len <= stream_id) | |
126 | return NULL; | |
127 | return g_ptr_array_index(trace->streams, stream_id); | |
128 | } | |
129 | ||
add40b62 | 130 | static |
78af2bcd MD |
131 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
132 | { | |
133 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
134 | ||
135 | switch (type_specifier->u.type_specifier.type) { | |
136 | case TYPESPEC_VOID: | |
137 | g_string_append(str, "void"); | |
138 | break; | |
139 | case TYPESPEC_CHAR: | |
140 | g_string_append(str, "char"); | |
141 | break; | |
142 | case TYPESPEC_SHORT: | |
143 | g_string_append(str, "short"); | |
144 | break; | |
145 | case TYPESPEC_INT: | |
146 | g_string_append(str, "int"); | |
147 | break; | |
148 | case TYPESPEC_LONG: | |
149 | g_string_append(str, "long"); | |
150 | break; | |
151 | case TYPESPEC_FLOAT: | |
152 | g_string_append(str, "float"); | |
153 | break; | |
154 | case TYPESPEC_DOUBLE: | |
155 | g_string_append(str, "double"); | |
156 | break; | |
157 | case TYPESPEC_SIGNED: | |
158 | g_string_append(str, "signed"); | |
159 | break; | |
160 | case TYPESPEC_UNSIGNED: | |
161 | g_string_append(str, "unsigned"); | |
162 | break; | |
163 | case TYPESPEC_BOOL: | |
164 | g_string_append(str, "bool"); | |
165 | break; | |
166 | case TYPESPEC_COMPLEX: | |
167 | g_string_append(str, "_Complex"); | |
168 | break; | |
169 | case TYPESPEC_IMAGINARY: | |
170 | g_string_append(str, "_Imaginary"); | |
171 | break; | |
172 | case TYPESPEC_CONST: | |
173 | g_string_append(str, "const"); | |
174 | break; | |
175 | case TYPESPEC_ID_TYPE: | |
176 | if (type_specifier->u.type_specifier.id_type) | |
177 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
178 | break; | |
179 | case TYPESPEC_STRUCT: | |
180 | { | |
181 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
182 | ||
183 | if (!node->u._struct.name) { | |
184 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
185 | return -EINVAL; | |
186 | } | |
187 | g_string_append(str, "struct "); | |
188 | g_string_append(str, node->u._struct.name); | |
189 | break; | |
190 | } | |
191 | case TYPESPEC_VARIANT: | |
192 | { | |
193 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
194 | ||
195 | if (!node->u.variant.name) { | |
196 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
197 | return -EINVAL; | |
198 | } | |
199 | g_string_append(str, "variant "); | |
200 | g_string_append(str, node->u.variant.name); | |
201 | break; | |
202 | } | |
203 | case TYPESPEC_ENUM: | |
204 | { | |
205 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
206 | ||
207 | if (!node->u._enum.enum_id) { | |
208 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
209 | return -EINVAL; | |
210 | } | |
211 | g_string_append(str, "enum "); | |
212 | g_string_append(str, node->u._enum.enum_id); | |
213 | break; | |
214 | } | |
215 | case TYPESPEC_FLOATING_POINT: | |
216 | case TYPESPEC_INTEGER: | |
217 | case TYPESPEC_STRING: | |
218 | default: | |
219 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
220 | return -EINVAL; | |
221 | } | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static | |
226 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
227 | { |
228 | struct ctf_node *iter; | |
229 | int alias_item_nr = 0; | |
78af2bcd | 230 | int ret; |
add40b62 | 231 | |
78af2bcd | 232 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
233 | if (alias_item_nr != 0) |
234 | g_string_append(str, " "); | |
235 | alias_item_nr++; | |
78af2bcd MD |
236 | ret = visit_type_specifier(fd, iter, str); |
237 | if (ret) | |
238 | return ret; | |
add40b62 MD |
239 | } |
240 | return 0; | |
add40b62 MD |
241 | } |
242 | ||
243 | static | |
8fdba45b | 244 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 245 | struct ctf_node *type_specifier_list, |
add40b62 MD |
246 | struct ctf_node *node_type_declarator) |
247 | { | |
a0720417 | 248 | struct ctf_node *iter; |
add40b62 | 249 | GString *str; |
a0720417 | 250 | char *str_c; |
add40b62 MD |
251 | GQuark alias_q; |
252 | int ret; | |
253 | ||
a0720417 | 254 | str = g_string_new(""); |
78af2bcd | 255 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
256 | if (ret) { |
257 | g_string_free(str, TRUE); | |
258 | return 0; | |
259 | } | |
260 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
261 | g_string_append(str, " *"); | |
262 | if (iter->u.pointer.const_qualifier) | |
263 | g_string_append(str, " const"); | |
264 | } | |
265 | str_c = g_string_free(str, FALSE); | |
266 | alias_q = g_quark_from_string(str_c); | |
267 | g_free(str_c); | |
268 | return alias_q; | |
269 | } | |
270 | ||
a3cca9e9 | 271 | static |
8fdba45b | 272 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 273 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
274 | GQuark *field_name, |
275 | struct ctf_node *node_type_declarator, | |
add40b62 | 276 | struct declaration_scope *declaration_scope, |
e397791f MD |
277 | struct declaration *nested_declaration, |
278 | struct ctf_trace *trace) | |
a3cca9e9 MD |
279 | { |
280 | /* | |
281 | * Visit type declarator by first taking care of sequence/array | |
282 | * (recursively). Then, when we get to the identifier, take care | |
283 | * of pointers. | |
284 | */ | |
285 | ||
e397791f MD |
286 | if (node_type_declarator) { |
287 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 288 | |
e397791f MD |
289 | /* TODO: gcc bitfields not supported yet. */ |
290 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 291 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
292 | return NULL; |
293 | } | |
add40b62 | 294 | } |
a3cca9e9 MD |
295 | |
296 | if (!nested_declaration) { | |
e397791f | 297 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
298 | GQuark alias_q; |
299 | ||
a3cca9e9 MD |
300 | /* |
301 | * If we have a pointer declarator, it _has_ to be present in | |
302 | * the typealiases (else fail). | |
303 | */ | |
add40b62 | 304 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 305 | type_specifier_list, node_type_declarator); |
add40b62 MD |
306 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
307 | if (!nested_declaration) { | |
78af2bcd | 308 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
309 | return NULL; |
310 | } | |
a3cca9e9 | 311 | } else { |
78af2bcd MD |
312 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
313 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 314 | } |
a3cca9e9 MD |
315 | } |
316 | ||
e397791f MD |
317 | if (!node_type_declarator) |
318 | return nested_declaration; | |
319 | ||
a3cca9e9 MD |
320 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
321 | if (node_type_declarator->u.type_declarator.u.id) | |
322 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
323 | else | |
324 | *field_name = 0; | |
325 | return nested_declaration; | |
326 | } else { | |
327 | struct declaration *declaration; | |
78af2bcd | 328 | struct ctf_node *length; |
a3cca9e9 MD |
329 | |
330 | /* TYPEDEC_NESTED */ | |
331 | ||
332 | /* create array/sequence, pass nested_declaration as child. */ | |
78af2bcd MD |
333 | length = node_type_declarator->u.type_declarator.u.nested.length; |
334 | if (!length) { | |
335 | fprintf(fd, "[error] %s: expecting length type or value.\n", __func__); | |
a0720417 MD |
336 | return NULL; |
337 | } | |
78af2bcd | 338 | switch (length->type) { |
a0720417 MD |
339 | case NODE_UNARY_EXPRESSION: |
340 | { | |
341 | struct declaration_array *array_declaration; | |
342 | size_t len; | |
343 | ||
78af2bcd MD |
344 | if (length->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
345 | fprintf(fd, "[error] %s: array: unexpected unary expression.\n", __func__); | |
a0720417 | 346 | return NULL; |
a3cca9e9 | 347 | } |
78af2bcd | 348 | len = length->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
349 | array_declaration = array_declaration_new(len, nested_declaration, |
350 | declaration_scope); | |
351 | declaration = &array_declaration->p; | |
352 | break; | |
353 | } | |
354 | case NODE_INTEGER: | |
355 | case NODE_TYPE_SPECIFIER: | |
356 | { | |
357 | struct declaration_sequence *sequence_declaration; | |
358 | struct declaration_integer *integer_declaration; | |
359 | GQuark dummy_id; | |
360 | ||
361 | declaration = ctf_type_declarator_visit(fd, depth, | |
362 | length, | |
363 | &dummy_id, NULL, | |
364 | declaration_scope, | |
365 | NULL, trace); | |
366 | assert(declaration->id == CTF_TYPE_INTEGER); | |
367 | integer_declaration = container_of(declaration, struct declaration_integer, p); | |
368 | sequence_declaration = sequence_declaration_new(integer_declaration, | |
369 | nested_declaration, declaration_scope); | |
370 | declaration = &sequence_declaration->p; | |
371 | break; | |
372 | } | |
373 | default: | |
374 | assert(0); | |
a3cca9e9 MD |
375 | } |
376 | ||
377 | /* Pass it as content of outer container */ | |
378 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 379 | type_specifier_list, field_name, |
a3cca9e9 | 380 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 381 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
382 | return declaration; |
383 | } | |
384 | } | |
385 | ||
386 | static | |
8fdba45b | 387 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 388 | struct declaration_struct *struct_declaration, |
78af2bcd | 389 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 390 | struct cds_list_head *type_declarators, |
e397791f MD |
391 | struct declaration_scope *declaration_scope, |
392 | struct ctf_trace *trace) | |
a3cca9e9 MD |
393 | { |
394 | struct ctf_node *iter; | |
395 | GQuark field_name; | |
396 | ||
397 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
398 | struct declaration *field_declaration; | |
399 | ||
400 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 401 | type_specifier_list, |
a3cca9e9 MD |
402 | &field_name, iter, |
403 | struct_declaration->scope, | |
e397791f | 404 | NULL, trace); |
a3cca9e9 MD |
405 | struct_declaration_add_field(struct_declaration, |
406 | g_quark_to_string(field_name), | |
407 | field_declaration); | |
408 | } | |
add40b62 MD |
409 | return 0; |
410 | } | |
a3cca9e9 | 411 | |
add40b62 | 412 | static |
8fdba45b | 413 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 414 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 415 | struct ctf_node *type_specifier_list, |
add40b62 | 416 | struct cds_list_head *type_declarators, |
e397791f MD |
417 | struct declaration_scope *declaration_scope, |
418 | struct ctf_trace *trace) | |
add40b62 MD |
419 | { |
420 | struct ctf_node *iter; | |
421 | GQuark field_name; | |
422 | ||
423 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
424 | struct declaration *field_declaration; | |
425 | ||
426 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 427 | type_specifier_list, |
add40b62 | 428 | &field_name, iter, |
a0720417 | 429 | untagged_variant_declaration->scope, |
e397791f | 430 | NULL, trace); |
a0720417 | 431 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
432 | g_quark_to_string(field_name), |
433 | field_declaration); | |
434 | } | |
a3cca9e9 MD |
435 | return 0; |
436 | } | |
437 | ||
438 | static | |
8fdba45b | 439 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 440 | struct ctf_node *type_specifier_list, |
e397791f MD |
441 | struct cds_list_head *type_declarators, |
442 | struct ctf_trace *trace) | |
a3cca9e9 MD |
443 | { |
444 | struct ctf_node *iter; | |
445 | GQuark identifier; | |
446 | ||
447 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
448 | struct declaration *type_declaration; | |
449 | int ret; | |
450 | ||
451 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 452 | type_specifier_list, |
a3cca9e9 | 453 | &identifier, iter, |
e397791f | 454 | scope, NULL, trace); |
a3cca9e9 MD |
455 | ret = register_declaration(identifier, type_declaration, scope); |
456 | if (ret) { | |
457 | type_declaration->declaration_free(type_declaration); | |
458 | return ret; | |
459 | } | |
460 | } | |
461 | return 0; | |
462 | } | |
463 | ||
464 | static | |
8fdba45b | 465 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
466 | struct ctf_node *target, struct ctf_node *alias, |
467 | struct ctf_trace *trace) | |
a3cca9e9 MD |
468 | { |
469 | struct declaration *type_declaration; | |
a0720417 | 470 | struct ctf_node *node; |
add40b62 | 471 | GQuark dummy_id; |
a3cca9e9 | 472 | GQuark alias_q; |
a0720417 | 473 | int err; |
a3cca9e9 MD |
474 | |
475 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
476 | ||
477 | /* | |
478 | * Create target type declaration. | |
479 | */ | |
480 | ||
427c09b7 | 481 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
482 | node = NULL; |
483 | else | |
427c09b7 | 484 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 485 | struct ctf_node, siblings); |
a3cca9e9 | 486 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 487 | target->u.typealias_target.type_specifier_list, |
a0720417 | 488 | &dummy_id, node, |
e397791f | 489 | scope, NULL, trace); |
a3cca9e9 | 490 | if (!type_declaration) { |
78af2bcd | 491 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
492 | err = -EINVAL; |
493 | goto error; | |
494 | } | |
495 | /* | |
496 | * The semantic validator does not check whether the target is | |
497 | * abstract or not (if it has an identifier). Check it here. | |
498 | */ | |
499 | if (dummy_id != 0) { | |
78af2bcd | 500 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
501 | err = -EINVAL; |
502 | goto error; | |
503 | } | |
504 | /* | |
505 | * Create alias identifier. | |
506 | */ | |
a3cca9e9 MD |
507 | |
508 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 509 | struct ctf_node, siblings); |
add40b62 | 510 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 511 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
512 | err = register_declaration(alias_q, type_declaration, scope); |
513 | if (err) | |
a3cca9e9 MD |
514 | goto error; |
515 | return 0; | |
516 | ||
517 | error: | |
518 | type_declaration->declaration_free(type_declaration); | |
a0720417 | 519 | return err; |
a3cca9e9 MD |
520 | } |
521 | ||
522 | static | |
8fdba45b | 523 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
524 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
525 | struct ctf_trace *trace) | |
a3cca9e9 | 526 | { |
a3cca9e9 MD |
527 | int ret; |
528 | ||
529 | switch (iter->type) { | |
530 | case NODE_TYPEDEF: | |
531 | /* For each declarator, declare type and add type to struct declaration scope */ | |
532 | ret = ctf_typedef_visit(fd, depth, | |
533 | struct_declaration->scope, | |
78af2bcd | 534 | iter->u._typedef.type_specifier_list, |
e397791f | 535 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
536 | if (ret) |
537 | return ret; | |
538 | break; | |
539 | case NODE_TYPEALIAS: | |
540 | /* Declare type with declarator and add type to struct declaration scope */ | |
541 | ret = ctf_typealias_visit(fd, depth, | |
542 | struct_declaration->scope, | |
543 | iter->u.typealias.target, | |
e397791f | 544 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
545 | if (ret) |
546 | return ret; | |
547 | break; | |
548 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
549 | /* Add field to structure declaration */ | |
550 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
551 | struct_declaration, | |
78af2bcd | 552 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
553 | &iter->u.struct_or_variant_declaration.type_declarators, |
554 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
555 | if (ret) |
556 | return ret; | |
557 | break; | |
558 | default: | |
78af2bcd | 559 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
560 | assert(0); |
561 | } | |
562 | return 0; | |
563 | } | |
564 | ||
add40b62 | 565 | static |
8fdba45b | 566 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
567 | struct ctf_node *iter, |
568 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 569 | struct ctf_trace *trace) |
add40b62 | 570 | { |
add40b62 MD |
571 | int ret; |
572 | ||
573 | switch (iter->type) { | |
574 | case NODE_TYPEDEF: | |
575 | /* For each declarator, declare type and add type to variant declaration scope */ | |
576 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 577 | untagged_variant_declaration->scope, |
78af2bcd | 578 | iter->u._typedef.type_specifier_list, |
e397791f | 579 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
580 | if (ret) |
581 | return ret; | |
582 | break; | |
583 | case NODE_TYPEALIAS: | |
584 | /* Declare type with declarator and add type to variant declaration scope */ | |
585 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 586 | untagged_variant_declaration->scope, |
add40b62 | 587 | iter->u.typealias.target, |
e397791f | 588 | iter->u.typealias.alias, trace); |
add40b62 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_variant_type_declarators_visit(fd, depth, | |
a0720417 | 595 | untagged_variant_declaration, |
78af2bcd | 596 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
597 | &iter->u.struct_or_variant_declaration.type_declarators, |
598 | untagged_variant_declaration->scope, trace); | |
add40b62 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); |
add40b62 MD |
604 | assert(0); |
605 | } | |
606 | return 0; | |
607 | } | |
608 | ||
a3cca9e9 | 609 | static |
a0720417 | 610 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 611 | int depth, const char *name, struct cds_list_head *declaration_list, |
e397791f MD |
612 | int has_body, struct declaration_scope *declaration_scope, |
613 | struct ctf_trace *trace) | |
a3cca9e9 | 614 | { |
a3cca9e9 MD |
615 | struct declaration_struct *struct_declaration; |
616 | struct ctf_node *iter; | |
a0720417 | 617 | int ret; |
a3cca9e9 MD |
618 | |
619 | /* | |
620 | * For named struct (without body), lookup in | |
621 | * declaration scope. Don't take reference on struct | |
622 | * declaration: ref is only taken upon definition. | |
623 | */ | |
624 | if (!has_body) { | |
625 | assert(name); | |
626 | struct_declaration = | |
627 | lookup_struct_declaration(g_quark_from_string(name), | |
628 | declaration_scope); | |
a0720417 | 629 | return &struct_declaration->p; |
a3cca9e9 MD |
630 | } else { |
631 | /* For unnamed struct, create type */ | |
632 | /* For named struct (with body), create type and add to declaration scope */ | |
633 | if (name) { | |
634 | if (lookup_struct_declaration(g_quark_from_string(name), | |
635 | declaration_scope)) { | |
636 | ||
78af2bcd | 637 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
638 | return NULL; |
639 | } | |
640 | } | |
a0720417 | 641 | struct_declaration = struct_declaration_new(declaration_scope); |
a3cca9e9 | 642 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
643 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
644 | struct_declaration, trace); | |
a3cca9e9 MD |
645 | if (ret) |
646 | goto error; | |
647 | } | |
648 | if (name) { | |
649 | ret = register_struct_declaration(g_quark_from_string(name), | |
650 | struct_declaration, | |
651 | declaration_scope); | |
652 | assert(!ret); | |
653 | } | |
a0720417 | 654 | return &struct_declaration->p; |
a3cca9e9 MD |
655 | } |
656 | error: | |
657 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
658 | return NULL; | |
659 | } | |
660 | ||
05628561 | 661 | static |
a0720417 MD |
662 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
663 | int depth, const char *name, const char *choice, | |
664 | struct cds_list_head *declaration_list, | |
e397791f MD |
665 | int has_body, struct declaration_scope *declaration_scope, |
666 | struct ctf_trace *trace) | |
05628561 | 667 | { |
a0720417 | 668 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
669 | struct declaration_variant *variant_declaration; |
670 | struct ctf_node *iter; | |
a0720417 | 671 | int ret; |
de47353a | 672 | |
add40b62 MD |
673 | /* |
674 | * For named variant (without body), lookup in | |
675 | * declaration scope. Don't take reference on variant | |
676 | * declaration: ref is only taken upon definition. | |
677 | */ | |
678 | if (!has_body) { | |
679 | assert(name); | |
a0720417 | 680 | untagged_variant_declaration = |
add40b62 MD |
681 | lookup_variant_declaration(g_quark_from_string(name), |
682 | declaration_scope); | |
add40b62 | 683 | } else { |
de47353a | 684 | /* For unnamed variant, create type */ |
add40b62 MD |
685 | /* For named variant (with body), create type and add to declaration scope */ |
686 | if (name) { | |
687 | if (lookup_variant_declaration(g_quark_from_string(name), | |
688 | declaration_scope)) { | |
689 | ||
78af2bcd | 690 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
691 | return NULL; |
692 | } | |
693 | } | |
a0720417 | 694 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 695 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 696 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 697 | untagged_variant_declaration, trace); |
add40b62 MD |
698 | if (ret) |
699 | goto error; | |
700 | } | |
701 | if (name) { | |
702 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 703 | untagged_variant_declaration, |
add40b62 MD |
704 | declaration_scope); |
705 | assert(!ret); | |
706 | } | |
a0720417 MD |
707 | } |
708 | /* | |
709 | * if tagged, create tagged variant and return. else return | |
710 | * untagged variant. | |
711 | */ | |
712 | if (!choice) { | |
713 | return &untagged_variant_declaration->p; | |
714 | } else { | |
715 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
716 | if (!variant_declaration) | |
717 | goto error; | |
718 | declaration_unref(&untagged_variant_declaration->p); | |
719 | return &variant_declaration->p; | |
de47353a | 720 | } |
add40b62 | 721 | error: |
a0720417 | 722 | untagged_variant_declaration->p.declaration_free(&variant_declaration->p); |
add40b62 | 723 | return NULL; |
05628561 MD |
724 | } |
725 | ||
05628561 | 726 | static |
8fdba45b | 727 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
728 | struct ctf_node *enumerator, |
729 | struct declaration_enum *enum_declaration) | |
730 | { | |
1cfda062 MD |
731 | GQuark q; |
732 | struct ctf_node *iter; | |
733 | ||
734 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 735 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
736 | int64_t start, end; |
737 | int nr_vals = 0; | |
738 | ||
a0720417 | 739 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
740 | int64_t *target; |
741 | ||
742 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
743 | if (nr_vals == 0) | |
744 | target = &start; | |
745 | else | |
746 | target = &end; | |
747 | ||
748 | switch (iter->u.unary_expression.type) { | |
749 | case UNARY_SIGNED_CONSTANT: | |
750 | *target = iter->u.unary_expression.u.signed_constant; | |
751 | break; | |
752 | case UNARY_UNSIGNED_CONSTANT: | |
753 | *target = iter->u.unary_expression.u.unsigned_constant; | |
754 | break; | |
755 | default: | |
78af2bcd | 756 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
757 | return -EINVAL; |
758 | } | |
759 | if (nr_vals > 1) { | |
78af2bcd | 760 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
761 | return -EINVAL; |
762 | } | |
763 | nr_vals++; | |
764 | } | |
765 | if (nr_vals == 1) | |
766 | end = start; | |
767 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 768 | } else { |
1cfda062 MD |
769 | uint64_t start, end; |
770 | int nr_vals = 0; | |
771 | ||
a0720417 MD |
772 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
773 | uint64_t *target; | |
1cfda062 MD |
774 | |
775 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
776 | if (nr_vals == 0) | |
777 | target = &start; | |
778 | else | |
779 | target = &end; | |
780 | ||
781 | switch (iter->u.unary_expression.type) { | |
782 | case UNARY_UNSIGNED_CONSTANT: | |
783 | *target = iter->u.unary_expression.u.unsigned_constant; | |
784 | break; | |
785 | case UNARY_SIGNED_CONSTANT: | |
786 | /* | |
787 | * We don't accept signed constants for enums with unsigned | |
788 | * container type. | |
789 | */ | |
78af2bcd | 790 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
791 | return -EINVAL; |
792 | default: | |
78af2bcd | 793 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
794 | return -EINVAL; |
795 | } | |
796 | if (nr_vals > 1) { | |
78af2bcd | 797 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
798 | return -EINVAL; |
799 | } | |
800 | nr_vals++; | |
801 | } | |
802 | if (nr_vals == 1) | |
803 | end = start; | |
804 | enum_unsigned_insert(enum_declaration, start, end, q); | |
805 | } | |
add40b62 MD |
806 | return 0; |
807 | } | |
808 | ||
809 | static | |
8fdba45b | 810 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 811 | const char *name, |
78af2bcd | 812 | struct ctf_node *container_type, |
add40b62 | 813 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
814 | int has_body, |
815 | struct declaration_scope *declaration_scope, | |
816 | struct ctf_trace *trace) | |
05628561 | 817 | { |
add40b62 MD |
818 | struct declaration *declaration; |
819 | struct declaration_enum *enum_declaration; | |
820 | struct declaration_integer *integer_declaration; | |
78af2bcd | 821 | struct ctf_node *iter; |
1cfda062 | 822 | GQuark dummy_id; |
a0720417 | 823 | int ret; |
add40b62 | 824 | |
05628561 | 825 | /* |
add40b62 MD |
826 | * For named enum (without body), lookup in |
827 | * declaration scope. Don't take reference on enum | |
828 | * declaration: ref is only taken upon definition. | |
05628561 | 829 | */ |
add40b62 MD |
830 | if (!has_body) { |
831 | assert(name); | |
832 | enum_declaration = | |
833 | lookup_enum_declaration(g_quark_from_string(name), | |
834 | declaration_scope); | |
a0720417 | 835 | return &enum_declaration->p; |
add40b62 MD |
836 | } else { |
837 | /* For unnamed enum, create type */ | |
838 | /* For named enum (with body), create type and add to declaration scope */ | |
839 | if (name) { | |
840 | if (lookup_enum_declaration(g_quark_from_string(name), | |
841 | declaration_scope)) { | |
842 | ||
78af2bcd | 843 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
844 | return NULL; |
845 | } | |
846 | } | |
78af2bcd | 847 | if (!container_type) { |
30ea18a1 MD |
848 | fprintf(fd, "[error] %s: missing container type for enumeration\n", __func__); |
849 | return NULL; | |
1cfda062 MD |
850 | |
851 | } | |
30ea18a1 MD |
852 | declaration = ctf_type_declarator_visit(fd, depth, |
853 | container_type, | |
854 | &dummy_id, NULL, | |
855 | declaration_scope, | |
856 | NULL, trace); | |
857 | if (!declaration) { | |
858 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
859 | return NULL; | |
860 | } | |
861 | if (declaration->id != CTF_TYPE_INTEGER) { | |
862 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
863 | return NULL; | |
1cfda062 | 864 | } |
30ea18a1 | 865 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 866 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
867 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
868 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
869 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
870 | if (ret) | |
871 | goto error; | |
872 | } | |
873 | if (name) { | |
874 | ret = register_enum_declaration(g_quark_from_string(name), | |
875 | enum_declaration, | |
876 | declaration_scope); | |
877 | assert(!ret); | |
878 | } | |
a0720417 | 879 | return &enum_declaration->p; |
05628561 | 880 | } |
add40b62 MD |
881 | error: |
882 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
883 | return NULL; | |
05628561 MD |
884 | } |
885 | ||
886 | static | |
8fdba45b | 887 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 888 | struct ctf_node *type_specifier_list, |
d20f5e59 | 889 | struct declaration_scope *declaration_scope) |
05628561 | 890 | { |
add40b62 MD |
891 | GString *str; |
892 | struct declaration *declaration; | |
a0720417 MD |
893 | char *str_c; |
894 | int ret; | |
895 | GQuark id_q; | |
05628561 | 896 | |
a0720417 | 897 | str = g_string_new(""); |
78af2bcd | 898 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
899 | if (ret) |
900 | return NULL; | |
901 | str_c = g_string_free(str, FALSE); | |
902 | id_q = g_quark_from_string(str_c); | |
903 | g_free(str_c); | |
904 | declaration = lookup_declaration(id_q, declaration_scope); | |
905 | return declaration; | |
906 | } | |
907 | ||
ab4cf058 MD |
908 | /* |
909 | * Returns 0/1 boolean, or < 0 on error. | |
910 | */ | |
911 | static | |
a0720417 | 912 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
913 | { |
914 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 915 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
916 | __func__); |
917 | return -EINVAL; | |
918 | } | |
919 | switch (unary_expression->u.unary_expression.type) { | |
920 | case UNARY_UNSIGNED_CONSTANT: | |
921 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
922 | return 0; | |
923 | else | |
924 | return 1; | |
925 | case UNARY_SIGNED_CONSTANT: | |
926 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
927 | return 0; | |
928 | else | |
929 | return 1; | |
930 | case UNARY_STRING: | |
931 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
932 | return 1; | |
933 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
934 | return 1; | |
935 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
936 | return 0; | |
937 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
938 | return 0; | |
939 | else { | |
78af2bcd | 940 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
941 | __func__, unary_expression->u.unary_expression.u.string); |
942 | return -EINVAL; | |
943 | } | |
944 | break; | |
945 | default: | |
78af2bcd | 946 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
947 | __func__); |
948 | return -EINVAL; | |
949 | } | |
950 | ||
951 | } | |
952 | ||
953 | static | |
a0720417 MD |
954 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
955 | struct ctf_trace *trace) | |
ab4cf058 MD |
956 | { |
957 | int byte_order; | |
958 | ||
959 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 960 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
961 | __func__); |
962 | return -EINVAL; | |
963 | } | |
964 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
965 | byte_order = trace->byte_order; | |
966 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
967 | byte_order = BIG_ENDIAN; | |
968 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
969 | byte_order = BIG_ENDIAN; | |
970 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
971 | byte_order = LITTLE_ENDIAN; | |
972 | else { | |
78af2bcd | 973 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 974 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
975 | return -EINVAL; |
976 | } | |
977 | return byte_order; | |
978 | } | |
979 | ||
add40b62 | 980 | static |
8fdba45b | 981 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
982 | struct cds_list_head *expressions, |
983 | struct ctf_trace *trace) | |
add40b62 | 984 | { |
a0720417 | 985 | struct ctf_node *expression; |
ab4cf058 MD |
986 | uint64_t alignment, size; |
987 | int byte_order = trace->byte_order; | |
988 | int signedness = 0; | |
add40b62 MD |
989 | int has_alignment = 0, has_size = 0; |
990 | struct declaration_integer *integer_declaration; | |
991 | ||
992 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 993 | struct ctf_node *left, *right; |
add40b62 | 994 | |
a0720417 MD |
995 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
996 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
997 | assert(left->u.unary_expression.type == UNARY_STRING); |
998 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
999 | signedness = get_boolean(fd, depth, right); |
1000 | if (signedness < 0) | |
1001 | return NULL; | |
add40b62 | 1002 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1003 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1004 | if (byte_order < 0) |
1005 | return NULL; | |
add40b62 | 1006 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1007 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1008 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1009 | __func__); |
1010 | return NULL; | |
1011 | } | |
1012 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1013 | has_size = 1; |
1014 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1015 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1016 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1017 | __func__); |
1018 | return NULL; | |
1019 | } | |
1020 | alignment = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1021 | has_alignment = 1; |
1022 | } else { | |
78af2bcd | 1023 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
add40b62 MD |
1024 | __func__, left->u.unary_expression.u.string); |
1025 | return NULL; | |
1026 | } | |
05628561 | 1027 | } |
add40b62 | 1028 | if (!has_size) { |
78af2bcd | 1029 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1030 | return NULL; |
1031 | } | |
ab4cf058 MD |
1032 | if (!has_alignment) { |
1033 | if (size % CHAR_BIT) { | |
1034 | /* bit-packed alignment */ | |
1035 | alignment = 1; | |
1036 | } else { | |
1037 | /* byte-packed alignment */ | |
1038 | alignment = CHAR_BIT; | |
1039 | } | |
1040 | } | |
add40b62 MD |
1041 | integer_declaration = integer_declaration_new(size, |
1042 | byte_order, signedness, alignment); | |
1043 | return &integer_declaration->p; | |
05628561 MD |
1044 | } |
1045 | ||
ab4cf058 | 1046 | static |
8fdba45b | 1047 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1048 | struct cds_list_head *expressions, |
1049 | struct ctf_trace *trace) | |
1050 | { | |
a0720417 | 1051 | struct ctf_node *expression; |
ab4cf058 MD |
1052 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; |
1053 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
1054 | struct declaration_float *float_declaration; | |
1055 | ||
1056 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1057 | struct ctf_node *left, *right; |
ab4cf058 | 1058 | |
a0720417 MD |
1059 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1060 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1061 | assert(left->u.unary_expression.type == UNARY_STRING); |
1062 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1063 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1064 | if (byte_order < 0) |
1065 | return NULL; | |
1066 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1067 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1068 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1069 | __func__); |
1070 | return NULL; | |
1071 | } | |
1072 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1073 | has_exp_dig = 1; | |
1074 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1075 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1076 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1077 | __func__); |
1078 | return NULL; | |
1079 | } | |
1080 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1081 | has_mant_dig = 1; | |
1082 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1083 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1084 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1085 | __func__); |
1086 | return NULL; | |
1087 | } | |
1088 | alignment = right->u.unary_expression.u.unsigned_constant; | |
1089 | has_alignment = 1; | |
1090 | } else { | |
78af2bcd | 1091 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1092 | __func__, left->u.unary_expression.u.string); |
1093 | return NULL; | |
1094 | } | |
1095 | } | |
1096 | if (!has_mant_dig) { | |
78af2bcd | 1097 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1098 | return NULL; |
1099 | } | |
1100 | if (!has_exp_dig) { | |
78af2bcd | 1101 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1102 | return NULL; |
1103 | } | |
1104 | if (!has_alignment) { | |
1105 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1106 | /* bit-packed alignment */ | |
1107 | alignment = 1; | |
1108 | } else { | |
1109 | /* byte-packed alignment */ | |
1110 | alignment = CHAR_BIT; | |
1111 | } | |
1112 | } | |
1113 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1114 | byte_order, alignment); | |
1115 | return &float_declaration->p; | |
1116 | } | |
1117 | ||
1118 | static | |
8fdba45b | 1119 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1120 | struct cds_list_head *expressions, |
1121 | struct ctf_trace *trace) | |
1122 | { | |
a0720417 | 1123 | struct ctf_node *expression; |
ab4cf058 MD |
1124 | const char *encoding_c = NULL; |
1125 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1126 | struct declaration_string *string_declaration; | |
1127 | ||
1128 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1129 | struct ctf_node *left, *right; |
ab4cf058 | 1130 | |
a0720417 MD |
1131 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1132 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1133 | assert(left->u.unary_expression.type == UNARY_STRING); |
1134 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1135 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1136 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1137 | __func__); |
1138 | return NULL; | |
1139 | } | |
1140 | encoding_c = right->u.unary_expression.u.string; | |
1141 | } else { | |
78af2bcd | 1142 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1143 | __func__, left->u.unary_expression.u.string); |
1144 | return NULL; | |
1145 | } | |
1146 | } | |
1147 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1148 | encoding = CTF_STRING_ASCII; | |
1149 | string_declaration = string_declaration_new(encoding); | |
1150 | return &string_declaration->p; | |
1151 | } | |
1152 | ||
1153 | ||
05628561 | 1154 | static |
78af2bcd MD |
1155 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1156 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1157 | struct declaration_scope *declaration_scope, |
1158 | struct ctf_trace *trace) | |
05628561 | 1159 | { |
a0720417 | 1160 | struct ctf_node *first; |
78af2bcd | 1161 | struct ctf_node *node; |
d20f5e59 | 1162 | |
427c09b7 MD |
1163 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1164 | ||
78af2bcd | 1165 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1166 | |
78af2bcd MD |
1167 | assert(first->type == NODE_TYPE_SPECIFIER); |
1168 | ||
1169 | node = first->u.type_specifier.node; | |
1170 | ||
1171 | switch (first->u.type_specifier.type) { | |
1172 | case TYPESPEC_FLOATING_POINT: | |
1173 | return ctf_declaration_floating_point_visit(fd, depth, | |
1174 | &node->u.floating_point.expressions, trace); | |
1175 | case TYPESPEC_INTEGER: | |
1176 | return ctf_declaration_integer_visit(fd, depth, | |
1177 | &node->u.integer.expressions, trace); | |
1178 | case TYPESPEC_STRING: | |
1179 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1180 | &node->u.string.expressions, trace); |
78af2bcd | 1181 | case TYPESPEC_STRUCT: |
add40b62 | 1182 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1183 | node->u._struct.name, |
1184 | &node->u._struct.declaration_list, | |
1185 | node->u._struct.has_body, | |
ab4cf058 MD |
1186 | declaration_scope, |
1187 | trace); | |
78af2bcd | 1188 | case TYPESPEC_VARIANT: |
add40b62 | 1189 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1190 | node->u.variant.name, |
1191 | node->u.variant.choice, | |
1192 | &node->u.variant.declaration_list, | |
1193 | node->u.variant.has_body, | |
ab4cf058 MD |
1194 | declaration_scope, |
1195 | trace); | |
78af2bcd | 1196 | case TYPESPEC_ENUM: |
add40b62 | 1197 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1198 | node->u._enum.enum_id, |
1199 | node->u._enum.container_type, | |
1200 | &node->u._enum.enumerator_list, | |
1201 | node->u._enum.has_body, | |
1cfda062 | 1202 | declaration_scope, |
ab4cf058 | 1203 | trace); |
78af2bcd MD |
1204 | |
1205 | case TYPESPEC_VOID: | |
1206 | case TYPESPEC_CHAR: | |
1207 | case TYPESPEC_SHORT: | |
1208 | case TYPESPEC_INT: | |
1209 | case TYPESPEC_LONG: | |
1210 | case TYPESPEC_FLOAT: | |
1211 | case TYPESPEC_DOUBLE: | |
1212 | case TYPESPEC_SIGNED: | |
1213 | case TYPESPEC_UNSIGNED: | |
1214 | case TYPESPEC_BOOL: | |
1215 | case TYPESPEC_COMPLEX: | |
1216 | case TYPESPEC_IMAGINARY: | |
1217 | case TYPESPEC_CONST: | |
1218 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1219 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1220 | type_specifier_list, declaration_scope); |
a0720417 | 1221 | default: |
78af2bcd | 1222 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1223 | return NULL; |
add40b62 | 1224 | } |
05628561 MD |
1225 | } |
1226 | ||
1227 | static | |
1228 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1229 | { | |
1230 | int ret = 0; | |
1231 | ||
1232 | switch (node->type) { | |
1233 | case NODE_TYPEDEF: | |
1234 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1235 | event->declaration_scope, |
78af2bcd | 1236 | node->u._typedef.type_specifier_list, |
05628561 | 1237 | &node->u._typedef.type_declarators, |
a0720417 | 1238 | trace); |
05628561 MD |
1239 | if (ret) |
1240 | return ret; | |
1241 | break; | |
1242 | case NODE_TYPEALIAS: | |
1243 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1244 | event->declaration_scope, |
1245 | node->u.typealias.target, node->u.typealias.alias, | |
1246 | trace); | |
05628561 MD |
1247 | if (ret) |
1248 | return ret; | |
1249 | break; | |
1250 | case NODE_CTF_EXPRESSION: | |
1251 | { | |
1252 | char *left; | |
1253 | ||
1254 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1255 | if (!strcmp(left, "name")) { | |
1256 | char *right; | |
1257 | ||
427c09b7 MD |
1258 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1259 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
05628561 | 1260 | return -EPERM; |
427c09b7 | 1261 | } |
05628561 MD |
1262 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1263 | if (!right) { | |
78af2bcd | 1264 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
05628561 MD |
1265 | return -EINVAL; |
1266 | } | |
1267 | event->name = g_quark_from_string(right); | |
41253107 | 1268 | g_free(right); |
05628561 MD |
1269 | CTF_EVENT_SET_FIELD(event, name); |
1270 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1271 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1272 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
05628561 | 1273 | return -EPERM; |
427c09b7 | 1274 | } |
05628561 MD |
1275 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1276 | if (ret) { | |
78af2bcd | 1277 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
05628561 MD |
1278 | return -EINVAL; |
1279 | } | |
1280 | CTF_EVENT_SET_FIELD(event, id); | |
1281 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1282 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1283 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
05628561 | 1284 | return -EPERM; |
427c09b7 | 1285 | } |
05628561 MD |
1286 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1287 | if (ret) { | |
78af2bcd | 1288 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
05628561 MD |
1289 | return -EINVAL; |
1290 | } | |
1291 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1292 | if (!event->stream) { | |
78af2bcd | 1293 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
05628561 MD |
1294 | return -EINVAL; |
1295 | } | |
05628561 MD |
1296 | CTF_EVENT_SET_FIELD(event, stream_id); |
1297 | } else if (!strcmp(left, "context")) { | |
1298 | struct declaration *declaration; | |
1299 | ||
427c09b7 MD |
1300 | if (event->context_decl) { |
1301 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
1302 | return -EINVAL; | |
1303 | } | |
78af2bcd MD |
1304 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1305 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1306 | struct ctf_node, siblings), | |
ab4cf058 | 1307 | event->declaration_scope, trace); |
05628561 MD |
1308 | if (!declaration) |
1309 | return -EPERM; | |
a0720417 | 1310 | if (declaration->id != CTF_TYPE_STRUCT) |
05628561 | 1311 | return -EPERM; |
9e29e16e | 1312 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1313 | } else if (!strcmp(left, "fields")) { |
1314 | struct declaration *declaration; | |
1315 | ||
427c09b7 MD |
1316 | if (event->fields_decl) { |
1317 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
1318 | return -EINVAL; | |
1319 | } | |
78af2bcd MD |
1320 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1321 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1322 | struct ctf_node, siblings), | |
ab4cf058 | 1323 | event->declaration_scope, trace); |
05628561 MD |
1324 | if (!declaration) |
1325 | return -EPERM; | |
a0720417 | 1326 | if (declaration->id != CTF_TYPE_STRUCT) |
05628561 | 1327 | return -EPERM; |
9e29e16e | 1328 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1329 | } |
41253107 | 1330 | g_free(left); |
05628561 MD |
1331 | break; |
1332 | } | |
1333 | default: | |
1334 | return -EPERM; | |
1335 | /* TODO: declaration specifier should be added. */ | |
1336 | } | |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
1341 | static | |
1342 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1343 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1344 | { |
1345 | int ret = 0; | |
1346 | struct ctf_node *iter; | |
1347 | struct ctf_event *event; | |
9e29e16e | 1348 | struct definition_scope *parent_def_scope; |
05628561 MD |
1349 | |
1350 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1351 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1352 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1353 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1354 | if (ret) | |
1355 | goto error; | |
1356 | } | |
1357 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1358 | ret = -EPERM; | |
427c09b7 | 1359 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1360 | goto error; |
1361 | } | |
1362 | if (!CTF_EVENT_FIELD_IS_SET(event, id)) { | |
1363 | ret = -EPERM; | |
427c09b7 | 1364 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); |
05628561 MD |
1365 | goto error; |
1366 | } | |
1367 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { | |
1368 | ret = -EPERM; | |
427c09b7 | 1369 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); |
05628561 MD |
1370 | goto error; |
1371 | } | |
1372 | if (event->stream->events_by_id->len <= event->id) | |
1373 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1374 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1375 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1376 | (gpointer)(unsigned long) event->name, | |
1377 | &event->id); | |
a0720417 | 1378 | parent_def_scope = event->stream->definition_scope; |
9e29e16e MD |
1379 | if (event->context_decl) { |
1380 | event->context = | |
a0720417 MD |
1381 | container_of( |
1382 | event->context_decl->p.definition_new(&event->context_decl->p, | |
1383 | parent_def_scope, 0, 0), | |
1384 | struct definition_struct, p); | |
6a36ddca MD |
1385 | set_dynamic_definition_scope(&event->context->p, |
1386 | event->context->scope, | |
d00d17d1 | 1387 | "event.context"); |
9e29e16e | 1388 | parent_def_scope = event->context->scope; |
a0720417 | 1389 | declaration_unref(&event->context_decl->p); |
9e29e16e MD |
1390 | } |
1391 | if (event->fields_decl) { | |
1392 | event->fields = | |
a0720417 MD |
1393 | container_of( |
1394 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
1395 | parent_def_scope, 0, 0), | |
1396 | struct definition_struct, p); | |
6a36ddca MD |
1397 | set_dynamic_definition_scope(&event->fields->p, |
1398 | event->fields->scope, | |
d00d17d1 | 1399 | "event.fields"); |
9e29e16e | 1400 | parent_def_scope = event->fields->scope; |
a0720417 | 1401 | declaration_unref(&event->fields_decl->p); |
9e29e16e | 1402 | } |
05628561 MD |
1403 | return 0; |
1404 | ||
1405 | error: | |
a0720417 MD |
1406 | declaration_unref(&event->fields_decl->p); |
1407 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1408 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1409 | g_free(event); |
1410 | return ret; | |
1411 | } | |
1412 | ||
1413 | ||
1414 | static | |
1415 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream *stream, struct ctf_trace *trace) | |
1416 | { | |
1417 | int ret = 0; | |
1418 | ||
1419 | switch (node->type) { | |
1420 | case NODE_TYPEDEF: | |
1421 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1422 | stream->declaration_scope, |
78af2bcd | 1423 | node->u._typedef.type_specifier_list, |
05628561 | 1424 | &node->u._typedef.type_declarators, |
a0720417 | 1425 | trace); |
05628561 MD |
1426 | if (ret) |
1427 | return ret; | |
1428 | break; | |
1429 | case NODE_TYPEALIAS: | |
1430 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1431 | stream->declaration_scope, |
1432 | node->u.typealias.target, node->u.typealias.alias, | |
1433 | trace); | |
05628561 MD |
1434 | if (ret) |
1435 | return ret; | |
1436 | break; | |
1437 | case NODE_CTF_EXPRESSION: | |
1438 | { | |
1439 | char *left; | |
1440 | ||
1441 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1442 | if (!strcmp(left, "id")) { |
1443 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1444 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
05628561 | 1445 | return -EPERM; |
427c09b7 | 1446 | } |
a0720417 | 1447 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1448 | if (ret) { |
427c09b7 | 1449 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
05628561 MD |
1450 | return -EINVAL; |
1451 | } | |
a0720417 | 1452 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1453 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1454 | struct declaration *declaration; |
1455 | ||
427c09b7 MD |
1456 | if (stream->event_header_decl) { |
1457 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
1458 | return -EINVAL; | |
1459 | } | |
78af2bcd MD |
1460 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1461 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1462 | struct ctf_node, siblings), | |
a0720417 | 1463 | stream->declaration_scope, trace); |
05628561 MD |
1464 | if (!declaration) |
1465 | return -EPERM; | |
a0720417 | 1466 | if (declaration->id != CTF_TYPE_STRUCT) |
05628561 | 1467 | return -EPERM; |
9e29e16e MD |
1468 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1469 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1470 | struct declaration *declaration; |
1471 | ||
427c09b7 MD |
1472 | if (stream->event_context_decl) { |
1473 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
1474 | return -EINVAL; | |
1475 | } | |
78af2bcd MD |
1476 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1477 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1478 | struct ctf_node, siblings), | |
ab4cf058 | 1479 | stream->declaration_scope, trace); |
05628561 MD |
1480 | if (!declaration) |
1481 | return -EPERM; | |
a0720417 | 1482 | if (declaration->id != CTF_TYPE_STRUCT) |
05628561 | 1483 | return -EPERM; |
9e29e16e MD |
1484 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1485 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1486 | struct declaration *declaration; |
1487 | ||
427c09b7 MD |
1488 | if (stream->packet_context_decl) { |
1489 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
1490 | return -EINVAL; | |
1491 | } | |
78af2bcd MD |
1492 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1493 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1494 | struct ctf_node, siblings), | |
ab4cf058 | 1495 | stream->declaration_scope, trace); |
05628561 MD |
1496 | if (!declaration) |
1497 | return -EPERM; | |
a0720417 | 1498 | if (declaration->id != CTF_TYPE_STRUCT) |
05628561 | 1499 | return -EPERM; |
9e29e16e | 1500 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1501 | } |
41253107 | 1502 | g_free(left); |
05628561 MD |
1503 | break; |
1504 | } | |
1505 | default: | |
1506 | return -EPERM; | |
1507 | /* TODO: declaration specifier should be added. */ | |
1508 | } | |
1509 | ||
1510 | return 0; | |
1511 | } | |
1512 | ||
1513 | static | |
1514 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1515 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1516 | { |
1517 | int ret = 0; | |
1518 | struct ctf_node *iter; | |
1519 | struct ctf_stream *stream; | |
9e29e16e | 1520 | struct definition_scope *parent_def_scope; |
05628561 MD |
1521 | |
1522 | stream = g_new0(struct ctf_stream, 1); | |
d20f5e59 | 1523 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1524 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1525 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
05628561 MD |
1526 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { |
1527 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1528 | if (ret) | |
1529 | goto error; | |
1530 | } | |
a0720417 | 1531 | if (!CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
05628561 | 1532 | ret = -EPERM; |
427c09b7 | 1533 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); |
05628561 MD |
1534 | goto error; |
1535 | } | |
1536 | if (trace->streams->len <= stream->stream_id) | |
1537 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1538 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1539 | |
41253107 | 1540 | parent_def_scope = NULL; |
9e29e16e MD |
1541 | if (stream->packet_context_decl) { |
1542 | stream->packet_context = | |
a0720417 MD |
1543 | container_of( |
1544 | stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p, | |
1545 | parent_def_scope, 0, 0), | |
1546 | struct definition_struct, p); | |
6a36ddca MD |
1547 | set_dynamic_definition_scope(&stream->packet_context->p, |
1548 | stream->packet_context->scope, | |
d00d17d1 | 1549 | "stream.packet.context"); |
9e29e16e | 1550 | parent_def_scope = stream->packet_context->scope; |
a0720417 | 1551 | declaration_unref(&stream->packet_context_decl->p); |
9e29e16e MD |
1552 | } |
1553 | if (stream->event_header_decl) { | |
1554 | stream->event_header = | |
a0720417 MD |
1555 | container_of( |
1556 | stream->event_header_decl->p.definition_new(&stream->event_header_decl->p, | |
1557 | parent_def_scope, 0, 0), | |
1558 | struct definition_struct, p); | |
6a36ddca MD |
1559 | set_dynamic_definition_scope(&stream->event_header->p, |
1560 | stream->event_header->scope, | |
d00d17d1 | 1561 | "stream.event.header"); |
9e29e16e | 1562 | parent_def_scope = stream->event_header->scope; |
a0720417 | 1563 | declaration_unref(&stream->event_header_decl->p); |
9e29e16e MD |
1564 | } |
1565 | if (stream->event_context_decl) { | |
1566 | stream->event_context = | |
a0720417 MD |
1567 | container_of( |
1568 | stream->event_context_decl->p.definition_new(&stream->event_context_decl->p, | |
1569 | parent_def_scope, 0, 0), | |
1570 | struct definition_struct, p); | |
6a36ddca MD |
1571 | set_dynamic_definition_scope(&stream->event_context->p, |
1572 | stream->event_context->scope, | |
d00d17d1 | 1573 | "stream.event.context"); |
9e29e16e | 1574 | parent_def_scope = stream->event_context->scope; |
a0720417 | 1575 | declaration_unref(&stream->event_context_decl->p); |
9e29e16e | 1576 | } |
41253107 | 1577 | stream->definition_scope = parent_def_scope; |
9e29e16e | 1578 | |
05628561 MD |
1579 | return 0; |
1580 | ||
1581 | error: | |
a0720417 MD |
1582 | declaration_unref(&stream->event_header_decl->p); |
1583 | declaration_unref(&stream->event_context_decl->p); | |
1584 | declaration_unref(&stream->packet_context_decl->p); | |
05628561 | 1585 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1586 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1587 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1588 | g_free(stream); |
1589 | return ret; | |
1590 | } | |
1591 | ||
1592 | static | |
1593 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1594 | { | |
1595 | int ret = 0; | |
1596 | ||
1597 | switch (node->type) { | |
1598 | case NODE_TYPEDEF: | |
1599 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1600 | trace->declaration_scope, |
78af2bcd | 1601 | node->u._typedef.type_specifier_list, |
05628561 | 1602 | &node->u._typedef.type_declarators, |
a0720417 | 1603 | trace); |
05628561 MD |
1604 | if (ret) |
1605 | return ret; | |
1606 | break; | |
1607 | case NODE_TYPEALIAS: | |
1608 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1609 | trace->declaration_scope, |
1610 | node->u.typealias.target, node->u.typealias.alias, | |
1611 | trace); | |
05628561 MD |
1612 | if (ret) |
1613 | return ret; | |
1614 | break; | |
1615 | case NODE_CTF_EXPRESSION: | |
1616 | { | |
1617 | char *left; | |
1618 | ||
1619 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1620 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1621 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1622 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
05628561 | 1623 | return -EPERM; |
427c09b7 | 1624 | } |
05628561 MD |
1625 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1626 | if (ret) { | |
78af2bcd | 1627 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
05628561 MD |
1628 | return -EINVAL; |
1629 | } | |
a0720417 | 1630 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1631 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1632 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1633 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
05628561 | 1634 | return -EPERM; |
427c09b7 | 1635 | } |
05628561 MD |
1636 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1637 | if (ret) { | |
78af2bcd | 1638 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
05628561 MD |
1639 | return -EINVAL; |
1640 | } | |
a0720417 | 1641 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1642 | } else if (!strcmp(left, "word_size")) { |
427c09b7 MD |
1643 | if (CTF_TRACE_FIELD_IS_SET(trace, word_size)) { |
1644 | fprintf(fd, "[error] %s: word_size already declared in trace declaration\n", __func__); | |
05628561 | 1645 | return -EPERM; |
427c09b7 | 1646 | } |
05628561 MD |
1647 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->word_size); |
1648 | if (ret) { | |
78af2bcd | 1649 | fprintf(fd, "[error] %s: unexpected unary expression for trace word_size\n", __func__); |
05628561 MD |
1650 | return -EINVAL; |
1651 | } | |
a0720417 | 1652 | CTF_TRACE_SET_FIELD(trace, word_size); |
05628561 | 1653 | } else if (!strcmp(left, "uuid")) { |
427c09b7 MD |
1654 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
1655 | fprintf(fd, "[error] %s: uuid already declared in trace declaration\n", __func__); | |
05628561 | 1656 | return -EPERM; |
427c09b7 | 1657 | } |
05628561 MD |
1658 | ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid); |
1659 | if (ret) { | |
78af2bcd | 1660 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
05628561 MD |
1661 | return -EINVAL; |
1662 | } | |
a0720417 | 1663 | CTF_TRACE_SET_FIELD(trace, uuid); |
05628561 | 1664 | } |
41253107 | 1665 | g_free(left); |
05628561 MD |
1666 | break; |
1667 | } | |
1668 | default: | |
1669 | return -EPERM; | |
1670 | /* TODO: declaration specifier should be added. */ | |
1671 | } | |
1672 | ||
1673 | return 0; | |
1674 | } | |
1675 | ||
05628561 MD |
1676 | static |
1677 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1678 | { | |
1679 | int ret = 0; | |
1680 | struct ctf_node *iter; | |
1681 | ||
d20f5e59 | 1682 | if (trace->declaration_scope) |
05628561 | 1683 | return -EEXIST; |
d20f5e59 | 1684 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
1685 | trace->streams = g_ptr_array_new(); |
1686 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
1687 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
1688 | if (ret) | |
1689 | goto error; | |
1690 | } | |
a0720417 | 1691 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 1692 | ret = -EPERM; |
427c09b7 | 1693 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
1694 | goto error; |
1695 | } | |
a0720417 | 1696 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 1697 | ret = -EPERM; |
427c09b7 | 1698 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
1699 | goto error; |
1700 | } | |
a0720417 | 1701 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 1702 | ret = -EPERM; |
427c09b7 | 1703 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
1704 | goto error; |
1705 | } | |
a0720417 | 1706 | if (!CTF_TRACE_FIELD_IS_SET(trace, word_size)) { |
05628561 | 1707 | ret = -EPERM; |
427c09b7 | 1708 | fprintf(fd, "[error] %s: missing word_size field in trace declaration\n", __func__); |
05628561 MD |
1709 | goto error; |
1710 | } | |
1711 | return 0; | |
1712 | ||
1713 | error: | |
1714 | g_ptr_array_free(trace->streams, TRUE); | |
a0720417 | 1715 | free_declaration_scope(trace->declaration_scope); |
05628561 MD |
1716 | return ret; |
1717 | } | |
1718 | ||
78af2bcd MD |
1719 | static |
1720 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1721 | { | |
1722 | int ret = 0; | |
1723 | ||
1724 | switch (node->type) { | |
1725 | case NODE_TYPEDEF: | |
1726 | ret = ctf_typedef_visit(fd, depth + 1, | |
1727 | trace->root_declaration_scope, | |
1728 | node->u._typedef.type_specifier_list, | |
1729 | &node->u._typedef.type_declarators, | |
1730 | trace); | |
1731 | if (ret) | |
1732 | return ret; | |
1733 | break; | |
1734 | case NODE_TYPEALIAS: | |
1735 | ret = ctf_typealias_visit(fd, depth + 1, | |
1736 | trace->root_declaration_scope, | |
1737 | node->u.typealias.target, node->u.typealias.alias, | |
1738 | trace); | |
1739 | if (ret) | |
1740 | return ret; | |
1741 | break; | |
1742 | case NODE_TYPE_SPECIFIER_LIST: | |
1743 | { | |
1744 | struct declaration *declaration; | |
1745 | ||
1746 | /* | |
1747 | * Just add the type specifier to the root scope | |
1748 | * declaration scope. Release local reference. | |
1749 | */ | |
1750 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
1751 | node, trace->root_declaration_scope, trace); | |
1752 | if (!declaration) | |
1753 | return -ENOMEM; | |
1754 | declaration_unref(declaration); | |
1755 | break; | |
1756 | } | |
1757 | default: | |
1758 | return -EPERM; | |
1759 | } | |
1760 | ||
1761 | return 0; | |
1762 | } | |
1763 | ||
ab4cf058 MD |
1764 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
1765 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
1766 | { |
1767 | int ret = 0; | |
1768 | struct ctf_node *iter; | |
1769 | ||
78af2bcd MD |
1770 | fprintf(fd, "CTF visitor: metadata construction... "); |
1771 | trace->root_declaration_scope = new_declaration_scope(NULL); | |
ab4cf058 MD |
1772 | trace->byte_order = byte_order; |
1773 | ||
05628561 MD |
1774 | switch (node->type) { |
1775 | case NODE_ROOT: | |
3e11b713 | 1776 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 1777 | siblings) { |
78af2bcd | 1778 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
1779 | if (ret) { |
1780 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
78af2bcd | 1781 | return ret; |
427c09b7 | 1782 | } |
05628561 MD |
1783 | } |
1784 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
1785 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
427c09b7 MD |
1786 | if (ret) { |
1787 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
05628561 | 1788 | return ret; |
427c09b7 | 1789 | } |
05628561 | 1790 | } |
5039b4cc MD |
1791 | if (!trace->streams) { |
1792 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
1793 | return -EINVAL; | |
1794 | } | |
05628561 MD |
1795 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
1796 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 1797 | trace->root_declaration_scope, trace); |
427c09b7 MD |
1798 | if (ret) { |
1799 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
05628561 | 1800 | return ret; |
427c09b7 | 1801 | } |
05628561 MD |
1802 | } |
1803 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
1804 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 1805 | trace->root_declaration_scope, trace); |
427c09b7 MD |
1806 | if (ret) { |
1807 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
05628561 | 1808 | return ret; |
427c09b7 | 1809 | } |
05628561 MD |
1810 | } |
1811 | break; | |
05628561 MD |
1812 | case NODE_UNKNOWN: |
1813 | default: | |
78af2bcd | 1814 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 MD |
1815 | (int) node->type); |
1816 | return -EINVAL; | |
1817 | } | |
78af2bcd | 1818 | fprintf(fd, "done.\n"); |
05628561 MD |
1819 | return ret; |
1820 | } |