Commit | Line | Data |
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05628561 MD |
1 | /* |
2 | * ctf-visitor-generate-io-struct.c | |
3 | * | |
4 | * Common Trace Format Metadata Visitor (generate I/O structures). | |
5 | * | |
6 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <unistd.h> | |
21 | #include <string.h> | |
22 | #include <stdlib.h> | |
23 | #include <assert.h> | |
24 | #include <glib.h> | |
25 | #include <inttypes.h> | |
add40b62 | 26 | #include <endian.h> |
05628561 | 27 | #include <errno.h> |
c8b219a3 | 28 | #include <babeltrace/babeltrace.h> |
05628561 | 29 | #include <babeltrace/list.h> |
a0720417 MD |
30 | #include <babeltrace/types.h> |
31 | #include <babeltrace/ctf/metadata.h> | |
41253107 | 32 | #include <uuid/uuid.h> |
05628561 MD |
33 | #include "ctf-scanner.h" |
34 | #include "ctf-parser.h" | |
35 | #include "ctf-ast.h" | |
36 | ||
37 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) | |
38 | ||
de47353a MD |
39 | #define _cds_list_first_entry(ptr, type, member) \ |
40 | cds_list_entry((ptr)->next, type, member) | |
05628561 | 41 | |
a3cca9e9 | 42 | static |
78af2bcd MD |
43 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
44 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
45 | struct declaration_scope *declaration_scope, |
46 | struct ctf_trace *trace); | |
a3cca9e9 | 47 | |
33105c61 MD |
48 | static |
49 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
50 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace); | |
51 | ||
05628561 | 52 | /* |
41253107 | 53 | * String returned must be freed by the caller using g_free. |
05628561 MD |
54 | */ |
55 | static | |
add40b62 | 56 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 57 | { |
41253107 MD |
58 | struct ctf_node *node; |
59 | GString *str; | |
60 | int i = 0; | |
61 | ||
a0720417 | 62 | str = g_string_new(""); |
41253107 MD |
63 | cds_list_for_each_entry(node, head, siblings) { |
64 | char *src_string; | |
65 | ||
66 | assert(node->type == NODE_UNARY_EXPRESSION); | |
67 | assert(node->u.unary_expression.type == UNARY_STRING); | |
68 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
a0720417 | 69 | ^ (i != 0)); |
41253107 MD |
70 | switch (node->u.unary_expression.link) { |
71 | case UNARY_DOTLINK: | |
a0720417 | 72 | g_string_append(str, "."); |
41253107 MD |
73 | break; |
74 | case UNARY_ARROWLINK: | |
a0720417 | 75 | g_string_append(str, "->"); |
41253107 MD |
76 | break; |
77 | case UNARY_DOTDOTDOT: | |
a0720417 MD |
78 | g_string_append(str, "..."); |
79 | break; | |
80 | default: | |
41253107 MD |
81 | break; |
82 | } | |
a0720417 | 83 | src_string = node->u.unary_expression.u.string; |
41253107 MD |
84 | g_string_append(str, src_string); |
85 | i++; | |
86 | } | |
87 | return g_string_free(str, FALSE); | |
05628561 MD |
88 | } |
89 | ||
90 | static | |
add40b62 | 91 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 92 | { |
41253107 MD |
93 | struct ctf_node *node; |
94 | int i = 0; | |
95 | ||
96 | cds_list_for_each_entry(node, head, siblings) { | |
97 | assert(node->type == NODE_UNARY_EXPRESSION); | |
98 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
99 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
100 | assert(i == 0); | |
a0720417 | 101 | *value = node->u.unary_expression.u.unsigned_constant; |
41253107 MD |
102 | i++; |
103 | } | |
104 | return 0; | |
05628561 MD |
105 | } |
106 | ||
107 | static | |
add40b62 | 108 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 109 | { |
41253107 MD |
110 | struct ctf_node *node; |
111 | int i = 0; | |
112 | int ret = -1; | |
113 | ||
114 | cds_list_for_each_entry(node, head, siblings) { | |
115 | const char *src_string; | |
116 | ||
117 | assert(node->type == NODE_UNARY_EXPRESSION); | |
118 | assert(node->u.unary_expression.type == UNARY_STRING); | |
119 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
120 | assert(i == 0); | |
a0720417 MD |
121 | src_string = node->u.unary_expression.u.string; |
122 | ret = uuid_parse(node->u.unary_expression.u.string, *uuid); | |
41253107 MD |
123 | } |
124 | return ret; | |
05628561 MD |
125 | } |
126 | ||
127 | static | |
aa6bffae | 128 | struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) |
05628561 MD |
129 | { |
130 | if (trace->streams->len <= stream_id) | |
131 | return NULL; | |
132 | return g_ptr_array_index(trace->streams, stream_id); | |
133 | } | |
134 | ||
add40b62 | 135 | static |
78af2bcd MD |
136 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
137 | { | |
138 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
139 | ||
140 | switch (type_specifier->u.type_specifier.type) { | |
141 | case TYPESPEC_VOID: | |
142 | g_string_append(str, "void"); | |
143 | break; | |
144 | case TYPESPEC_CHAR: | |
145 | g_string_append(str, "char"); | |
146 | break; | |
147 | case TYPESPEC_SHORT: | |
148 | g_string_append(str, "short"); | |
149 | break; | |
150 | case TYPESPEC_INT: | |
151 | g_string_append(str, "int"); | |
152 | break; | |
153 | case TYPESPEC_LONG: | |
154 | g_string_append(str, "long"); | |
155 | break; | |
156 | case TYPESPEC_FLOAT: | |
157 | g_string_append(str, "float"); | |
158 | break; | |
159 | case TYPESPEC_DOUBLE: | |
160 | g_string_append(str, "double"); | |
161 | break; | |
162 | case TYPESPEC_SIGNED: | |
163 | g_string_append(str, "signed"); | |
164 | break; | |
165 | case TYPESPEC_UNSIGNED: | |
166 | g_string_append(str, "unsigned"); | |
167 | break; | |
168 | case TYPESPEC_BOOL: | |
169 | g_string_append(str, "bool"); | |
170 | break; | |
171 | case TYPESPEC_COMPLEX: | |
172 | g_string_append(str, "_Complex"); | |
173 | break; | |
174 | case TYPESPEC_IMAGINARY: | |
175 | g_string_append(str, "_Imaginary"); | |
176 | break; | |
177 | case TYPESPEC_CONST: | |
178 | g_string_append(str, "const"); | |
179 | break; | |
180 | case TYPESPEC_ID_TYPE: | |
181 | if (type_specifier->u.type_specifier.id_type) | |
182 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
183 | break; | |
184 | case TYPESPEC_STRUCT: | |
185 | { | |
186 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
187 | ||
188 | if (!node->u._struct.name) { | |
189 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
190 | return -EINVAL; | |
191 | } | |
192 | g_string_append(str, "struct "); | |
193 | g_string_append(str, node->u._struct.name); | |
194 | break; | |
195 | } | |
196 | case TYPESPEC_VARIANT: | |
197 | { | |
198 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
199 | ||
200 | if (!node->u.variant.name) { | |
201 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
202 | return -EINVAL; | |
203 | } | |
204 | g_string_append(str, "variant "); | |
205 | g_string_append(str, node->u.variant.name); | |
206 | break; | |
207 | } | |
208 | case TYPESPEC_ENUM: | |
209 | { | |
210 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
211 | ||
212 | if (!node->u._enum.enum_id) { | |
213 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
214 | return -EINVAL; | |
215 | } | |
216 | g_string_append(str, "enum "); | |
217 | g_string_append(str, node->u._enum.enum_id); | |
218 | break; | |
219 | } | |
220 | case TYPESPEC_FLOATING_POINT: | |
221 | case TYPESPEC_INTEGER: | |
222 | case TYPESPEC_STRING: | |
223 | default: | |
224 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
225 | return -EINVAL; | |
226 | } | |
227 | return 0; | |
228 | } | |
229 | ||
230 | static | |
231 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
232 | { |
233 | struct ctf_node *iter; | |
234 | int alias_item_nr = 0; | |
78af2bcd | 235 | int ret; |
add40b62 | 236 | |
78af2bcd | 237 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
238 | if (alias_item_nr != 0) |
239 | g_string_append(str, " "); | |
240 | alias_item_nr++; | |
78af2bcd MD |
241 | ret = visit_type_specifier(fd, iter, str); |
242 | if (ret) | |
243 | return ret; | |
add40b62 MD |
244 | } |
245 | return 0; | |
add40b62 MD |
246 | } |
247 | ||
248 | static | |
8fdba45b | 249 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 250 | struct ctf_node *type_specifier_list, |
add40b62 MD |
251 | struct ctf_node *node_type_declarator) |
252 | { | |
a0720417 | 253 | struct ctf_node *iter; |
add40b62 | 254 | GString *str; |
a0720417 | 255 | char *str_c; |
add40b62 MD |
256 | GQuark alias_q; |
257 | int ret; | |
258 | ||
a0720417 | 259 | str = g_string_new(""); |
78af2bcd | 260 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
261 | if (ret) { |
262 | g_string_free(str, TRUE); | |
263 | return 0; | |
264 | } | |
265 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
266 | g_string_append(str, " *"); | |
267 | if (iter->u.pointer.const_qualifier) | |
268 | g_string_append(str, " const"); | |
269 | } | |
270 | str_c = g_string_free(str, FALSE); | |
271 | alias_q = g_quark_from_string(str_c); | |
272 | g_free(str_c); | |
273 | return alias_q; | |
274 | } | |
275 | ||
a3cca9e9 | 276 | static |
8fdba45b | 277 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 278 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
279 | GQuark *field_name, |
280 | struct ctf_node *node_type_declarator, | |
add40b62 | 281 | struct declaration_scope *declaration_scope, |
e397791f MD |
282 | struct declaration *nested_declaration, |
283 | struct ctf_trace *trace) | |
a3cca9e9 MD |
284 | { |
285 | /* | |
286 | * Visit type declarator by first taking care of sequence/array | |
287 | * (recursively). Then, when we get to the identifier, take care | |
288 | * of pointers. | |
289 | */ | |
290 | ||
e397791f MD |
291 | if (node_type_declarator) { |
292 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 293 | |
e397791f MD |
294 | /* TODO: gcc bitfields not supported yet. */ |
295 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 296 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
297 | return NULL; |
298 | } | |
add40b62 | 299 | } |
a3cca9e9 MD |
300 | |
301 | if (!nested_declaration) { | |
e397791f | 302 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
303 | GQuark alias_q; |
304 | ||
a3cca9e9 MD |
305 | /* |
306 | * If we have a pointer declarator, it _has_ to be present in | |
307 | * the typealiases (else fail). | |
308 | */ | |
add40b62 | 309 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 310 | type_specifier_list, node_type_declarator); |
add40b62 MD |
311 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
312 | if (!nested_declaration) { | |
78af2bcd | 313 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
314 | return NULL; |
315 | } | |
4d5fc303 MD |
316 | if (nested_declaration->id == CTF_TYPE_INTEGER) { |
317 | struct declaration_integer *integer_declaration = | |
318 | container_of(nested_declaration, struct declaration_integer, p); | |
319 | /* For base to 16 for pointers (expected pretty-print) */ | |
2527e149 MD |
320 | if (!integer_declaration->base) { |
321 | /* | |
322 | * We need to do a copy of the | |
323 | * integer declaration to modify it. There could be other references to | |
324 | * it. | |
325 | */ | |
326 | integer_declaration = integer_declaration_new(integer_declaration->len, | |
327 | integer_declaration->byte_order, integer_declaration->signedness, | |
328 | integer_declaration->p.alignment, 16); | |
329 | nested_declaration = &integer_declaration->p; | |
330 | } | |
4d5fc303 | 331 | } |
a3cca9e9 | 332 | } else { |
78af2bcd MD |
333 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
334 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 335 | } |
a3cca9e9 MD |
336 | } |
337 | ||
e397791f MD |
338 | if (!node_type_declarator) |
339 | return nested_declaration; | |
340 | ||
a3cca9e9 MD |
341 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
342 | if (node_type_declarator->u.type_declarator.u.id) | |
343 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
344 | else | |
345 | *field_name = 0; | |
346 | return nested_declaration; | |
347 | } else { | |
348 | struct declaration *declaration; | |
78af2bcd | 349 | struct ctf_node *length; |
a3cca9e9 MD |
350 | |
351 | /* TYPEDEC_NESTED */ | |
352 | ||
353 | /* create array/sequence, pass nested_declaration as child. */ | |
78af2bcd MD |
354 | length = node_type_declarator->u.type_declarator.u.nested.length; |
355 | if (!length) { | |
356 | fprintf(fd, "[error] %s: expecting length type or value.\n", __func__); | |
a0720417 MD |
357 | return NULL; |
358 | } | |
78af2bcd | 359 | switch (length->type) { |
a0720417 MD |
360 | case NODE_UNARY_EXPRESSION: |
361 | { | |
362 | struct declaration_array *array_declaration; | |
363 | size_t len; | |
364 | ||
78af2bcd MD |
365 | if (length->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
366 | fprintf(fd, "[error] %s: array: unexpected unary expression.\n", __func__); | |
a0720417 | 367 | return NULL; |
a3cca9e9 | 368 | } |
78af2bcd | 369 | len = length->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
370 | array_declaration = array_declaration_new(len, nested_declaration, |
371 | declaration_scope); | |
372 | declaration = &array_declaration->p; | |
373 | break; | |
374 | } | |
2dd46001 | 375 | case NODE_TYPE_SPECIFIER_LIST: |
a0720417 MD |
376 | { |
377 | struct declaration_sequence *sequence_declaration; | |
378 | struct declaration_integer *integer_declaration; | |
a0720417 | 379 | |
2dd46001 MD |
380 | declaration = ctf_type_specifier_list_visit(fd, depth, |
381 | length, declaration_scope, trace); | |
382 | if (!declaration) { | |
383 | fprintf(fd, "[error] %s: unable to find declaration type for sequence length\n", __func__); | |
384 | return NULL; | |
385 | } | |
386 | if (declaration->id != CTF_TYPE_INTEGER) { | |
387 | fprintf(fd, "[error] %s: length type for sequence is expected to be an integer (unsigned).\n", __func__); | |
388 | declaration_unref(declaration); | |
389 | return NULL; | |
390 | } | |
a0720417 | 391 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
2dd46001 MD |
392 | if (integer_declaration->signedness != false) { |
393 | fprintf(fd, "[error] %s: length type for sequence should always be an unsigned integer.\n", __func__); | |
394 | declaration_unref(declaration); | |
395 | return NULL; | |
396 | } | |
397 | ||
a0720417 MD |
398 | sequence_declaration = sequence_declaration_new(integer_declaration, |
399 | nested_declaration, declaration_scope); | |
400 | declaration = &sequence_declaration->p; | |
401 | break; | |
402 | } | |
403 | default: | |
404 | assert(0); | |
a3cca9e9 MD |
405 | } |
406 | ||
407 | /* Pass it as content of outer container */ | |
408 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 409 | type_specifier_list, field_name, |
a3cca9e9 | 410 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 411 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
412 | return declaration; |
413 | } | |
414 | } | |
415 | ||
416 | static | |
8fdba45b | 417 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 418 | struct declaration_struct *struct_declaration, |
78af2bcd | 419 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 420 | struct cds_list_head *type_declarators, |
e397791f MD |
421 | struct declaration_scope *declaration_scope, |
422 | struct ctf_trace *trace) | |
a3cca9e9 MD |
423 | { |
424 | struct ctf_node *iter; | |
425 | GQuark field_name; | |
426 | ||
427 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
428 | struct declaration *field_declaration; | |
429 | ||
430 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 431 | type_specifier_list, |
a3cca9e9 MD |
432 | &field_name, iter, |
433 | struct_declaration->scope, | |
e397791f | 434 | NULL, trace); |
2dd46001 MD |
435 | if (!field_declaration) { |
436 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
437 | return -EINVAL; | |
438 | } | |
a3cca9e9 MD |
439 | struct_declaration_add_field(struct_declaration, |
440 | g_quark_to_string(field_name), | |
441 | field_declaration); | |
442 | } | |
add40b62 MD |
443 | return 0; |
444 | } | |
a3cca9e9 | 445 | |
add40b62 | 446 | static |
8fdba45b | 447 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 448 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 449 | struct ctf_node *type_specifier_list, |
add40b62 | 450 | struct cds_list_head *type_declarators, |
e397791f MD |
451 | struct declaration_scope *declaration_scope, |
452 | struct ctf_trace *trace) | |
add40b62 MD |
453 | { |
454 | struct ctf_node *iter; | |
455 | GQuark field_name; | |
456 | ||
457 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
458 | struct declaration *field_declaration; | |
459 | ||
460 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 461 | type_specifier_list, |
add40b62 | 462 | &field_name, iter, |
a0720417 | 463 | untagged_variant_declaration->scope, |
e397791f | 464 | NULL, trace); |
2dd46001 MD |
465 | if (!field_declaration) { |
466 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
467 | return -EINVAL; | |
468 | } | |
a0720417 | 469 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
470 | g_quark_to_string(field_name), |
471 | field_declaration); | |
472 | } | |
a3cca9e9 MD |
473 | return 0; |
474 | } | |
475 | ||
476 | static | |
8fdba45b | 477 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 478 | struct ctf_node *type_specifier_list, |
e397791f MD |
479 | struct cds_list_head *type_declarators, |
480 | struct ctf_trace *trace) | |
a3cca9e9 MD |
481 | { |
482 | struct ctf_node *iter; | |
483 | GQuark identifier; | |
484 | ||
485 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
486 | struct declaration *type_declaration; | |
487 | int ret; | |
488 | ||
489 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 490 | type_specifier_list, |
a3cca9e9 | 491 | &identifier, iter, |
e397791f | 492 | scope, NULL, trace); |
2dd46001 MD |
493 | if (!type_declaration) { |
494 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
495 | return -EINVAL; | |
496 | } | |
497 | /* | |
498 | * Don't allow typedef and typealias of untagged | |
499 | * variants. | |
500 | */ | |
501 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
502 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
503 | declaration_unref(type_declaration); | |
504 | return -EPERM; | |
505 | } | |
a3cca9e9 MD |
506 | ret = register_declaration(identifier, type_declaration, scope); |
507 | if (ret) { | |
508 | type_declaration->declaration_free(type_declaration); | |
509 | return ret; | |
510 | } | |
511 | } | |
512 | return 0; | |
513 | } | |
514 | ||
515 | static | |
8fdba45b | 516 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
517 | struct ctf_node *target, struct ctf_node *alias, |
518 | struct ctf_trace *trace) | |
a3cca9e9 MD |
519 | { |
520 | struct declaration *type_declaration; | |
a0720417 | 521 | struct ctf_node *node; |
add40b62 | 522 | GQuark dummy_id; |
a3cca9e9 | 523 | GQuark alias_q; |
a0720417 | 524 | int err; |
a3cca9e9 MD |
525 | |
526 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
527 | ||
528 | /* | |
529 | * Create target type declaration. | |
530 | */ | |
531 | ||
427c09b7 | 532 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
533 | node = NULL; |
534 | else | |
427c09b7 | 535 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 536 | struct ctf_node, siblings); |
a3cca9e9 | 537 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 538 | target->u.typealias_target.type_specifier_list, |
a0720417 | 539 | &dummy_id, node, |
e397791f | 540 | scope, NULL, trace); |
a3cca9e9 | 541 | if (!type_declaration) { |
78af2bcd | 542 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
543 | err = -EINVAL; |
544 | goto error; | |
545 | } | |
2dd46001 MD |
546 | /* |
547 | * Don't allow typedef and typealias of untagged | |
548 | * variants. | |
549 | */ | |
550 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
551 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
552 | declaration_unref(type_declaration); | |
553 | return -EPERM; | |
554 | } | |
a3cca9e9 MD |
555 | /* |
556 | * The semantic validator does not check whether the target is | |
557 | * abstract or not (if it has an identifier). Check it here. | |
558 | */ | |
559 | if (dummy_id != 0) { | |
78af2bcd | 560 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
561 | err = -EINVAL; |
562 | goto error; | |
563 | } | |
564 | /* | |
565 | * Create alias identifier. | |
566 | */ | |
a3cca9e9 MD |
567 | |
568 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 569 | struct ctf_node, siblings); |
add40b62 | 570 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 571 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
572 | err = register_declaration(alias_q, type_declaration, scope); |
573 | if (err) | |
a3cca9e9 MD |
574 | goto error; |
575 | return 0; | |
576 | ||
577 | error: | |
578 | type_declaration->declaration_free(type_declaration); | |
a0720417 | 579 | return err; |
a3cca9e9 MD |
580 | } |
581 | ||
582 | static | |
8fdba45b | 583 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
584 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
585 | struct ctf_trace *trace) | |
a3cca9e9 | 586 | { |
a3cca9e9 MD |
587 | int ret; |
588 | ||
589 | switch (iter->type) { | |
590 | case NODE_TYPEDEF: | |
591 | /* For each declarator, declare type and add type to struct declaration scope */ | |
592 | ret = ctf_typedef_visit(fd, depth, | |
593 | struct_declaration->scope, | |
78af2bcd | 594 | iter->u._typedef.type_specifier_list, |
e397791f | 595 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
596 | if (ret) |
597 | return ret; | |
598 | break; | |
599 | case NODE_TYPEALIAS: | |
600 | /* Declare type with declarator and add type to struct declaration scope */ | |
601 | ret = ctf_typealias_visit(fd, depth, | |
602 | struct_declaration->scope, | |
603 | iter->u.typealias.target, | |
e397791f | 604 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
605 | if (ret) |
606 | return ret; | |
607 | break; | |
608 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
609 | /* Add field to structure declaration */ | |
610 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
611 | struct_declaration, | |
78af2bcd | 612 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
613 | &iter->u.struct_or_variant_declaration.type_declarators, |
614 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
615 | if (ret) |
616 | return ret; | |
617 | break; | |
618 | default: | |
78af2bcd | 619 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
620 | assert(0); |
621 | } | |
622 | return 0; | |
623 | } | |
624 | ||
add40b62 | 625 | static |
8fdba45b | 626 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
627 | struct ctf_node *iter, |
628 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 629 | struct ctf_trace *trace) |
add40b62 | 630 | { |
add40b62 MD |
631 | int ret; |
632 | ||
633 | switch (iter->type) { | |
634 | case NODE_TYPEDEF: | |
635 | /* For each declarator, declare type and add type to variant declaration scope */ | |
636 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 637 | untagged_variant_declaration->scope, |
78af2bcd | 638 | iter->u._typedef.type_specifier_list, |
e397791f | 639 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
640 | if (ret) |
641 | return ret; | |
642 | break; | |
643 | case NODE_TYPEALIAS: | |
644 | /* Declare type with declarator and add type to variant declaration scope */ | |
645 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 646 | untagged_variant_declaration->scope, |
add40b62 | 647 | iter->u.typealias.target, |
e397791f | 648 | iter->u.typealias.alias, trace); |
add40b62 MD |
649 | if (ret) |
650 | return ret; | |
651 | break; | |
652 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
653 | /* Add field to structure declaration */ | |
654 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 655 | untagged_variant_declaration, |
78af2bcd | 656 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
657 | &iter->u.struct_or_variant_declaration.type_declarators, |
658 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
659 | if (ret) |
660 | return ret; | |
661 | break; | |
662 | default: | |
78af2bcd | 663 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
664 | assert(0); |
665 | } | |
666 | return 0; | |
667 | } | |
668 | ||
a3cca9e9 | 669 | static |
a0720417 | 670 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 671 | int depth, const char *name, struct cds_list_head *declaration_list, |
b7e35bad MD |
672 | int has_body, struct cds_list_head *min_align, |
673 | struct declaration_scope *declaration_scope, | |
e397791f | 674 | struct ctf_trace *trace) |
a3cca9e9 | 675 | { |
a3cca9e9 MD |
676 | struct declaration_struct *struct_declaration; |
677 | struct ctf_node *iter; | |
a0720417 | 678 | int ret; |
a3cca9e9 MD |
679 | |
680 | /* | |
681 | * For named struct (without body), lookup in | |
682 | * declaration scope. Don't take reference on struct | |
683 | * declaration: ref is only taken upon definition. | |
684 | */ | |
685 | if (!has_body) { | |
686 | assert(name); | |
687 | struct_declaration = | |
688 | lookup_struct_declaration(g_quark_from_string(name), | |
689 | declaration_scope); | |
a0720417 | 690 | return &struct_declaration->p; |
a3cca9e9 | 691 | } else { |
b7e35bad MD |
692 | uint64_t min_align_value = 0; |
693 | ||
a3cca9e9 MD |
694 | /* For unnamed struct, create type */ |
695 | /* For named struct (with body), create type and add to declaration scope */ | |
696 | if (name) { | |
697 | if (lookup_struct_declaration(g_quark_from_string(name), | |
698 | declaration_scope)) { | |
699 | ||
78af2bcd | 700 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
701 | return NULL; |
702 | } | |
703 | } | |
b7e35bad MD |
704 | if (!cds_list_empty(min_align)) { |
705 | ret = get_unary_unsigned(min_align, &min_align_value); | |
706 | if (ret) { | |
707 | fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); | |
708 | ret = -EINVAL; | |
709 | goto error; | |
710 | } | |
711 | } | |
712 | struct_declaration = struct_declaration_new(declaration_scope, | |
713 | min_align_value); | |
a3cca9e9 | 714 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
715 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
716 | struct_declaration, trace); | |
a3cca9e9 MD |
717 | if (ret) |
718 | goto error; | |
719 | } | |
720 | if (name) { | |
721 | ret = register_struct_declaration(g_quark_from_string(name), | |
722 | struct_declaration, | |
723 | declaration_scope); | |
724 | assert(!ret); | |
725 | } | |
a0720417 | 726 | return &struct_declaration->p; |
a3cca9e9 MD |
727 | } |
728 | error: | |
729 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
730 | return NULL; | |
731 | } | |
732 | ||
05628561 | 733 | static |
a0720417 MD |
734 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
735 | int depth, const char *name, const char *choice, | |
736 | struct cds_list_head *declaration_list, | |
e397791f MD |
737 | int has_body, struct declaration_scope *declaration_scope, |
738 | struct ctf_trace *trace) | |
05628561 | 739 | { |
a0720417 | 740 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
741 | struct declaration_variant *variant_declaration; |
742 | struct ctf_node *iter; | |
a0720417 | 743 | int ret; |
de47353a | 744 | |
add40b62 MD |
745 | /* |
746 | * For named variant (without body), lookup in | |
747 | * declaration scope. Don't take reference on variant | |
748 | * declaration: ref is only taken upon definition. | |
749 | */ | |
750 | if (!has_body) { | |
751 | assert(name); | |
a0720417 | 752 | untagged_variant_declaration = |
add40b62 MD |
753 | lookup_variant_declaration(g_quark_from_string(name), |
754 | declaration_scope); | |
add40b62 | 755 | } else { |
de47353a | 756 | /* For unnamed variant, create type */ |
add40b62 MD |
757 | /* For named variant (with body), create type and add to declaration scope */ |
758 | if (name) { | |
759 | if (lookup_variant_declaration(g_quark_from_string(name), | |
760 | declaration_scope)) { | |
761 | ||
78af2bcd | 762 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
763 | return NULL; |
764 | } | |
765 | } | |
a0720417 | 766 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 767 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 768 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 769 | untagged_variant_declaration, trace); |
add40b62 MD |
770 | if (ret) |
771 | goto error; | |
772 | } | |
773 | if (name) { | |
774 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 775 | untagged_variant_declaration, |
add40b62 MD |
776 | declaration_scope); |
777 | assert(!ret); | |
778 | } | |
a0720417 MD |
779 | } |
780 | /* | |
781 | * if tagged, create tagged variant and return. else return | |
782 | * untagged variant. | |
783 | */ | |
784 | if (!choice) { | |
785 | return &untagged_variant_declaration->p; | |
786 | } else { | |
787 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
788 | if (!variant_declaration) | |
789 | goto error; | |
790 | declaration_unref(&untagged_variant_declaration->p); | |
791 | return &variant_declaration->p; | |
de47353a | 792 | } |
add40b62 | 793 | error: |
2dd46001 | 794 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 795 | return NULL; |
05628561 MD |
796 | } |
797 | ||
05628561 | 798 | static |
8fdba45b | 799 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
800 | struct ctf_node *enumerator, |
801 | struct declaration_enum *enum_declaration) | |
802 | { | |
1cfda062 MD |
803 | GQuark q; |
804 | struct ctf_node *iter; | |
805 | ||
806 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 807 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
808 | int64_t start, end; |
809 | int nr_vals = 0; | |
810 | ||
a0720417 | 811 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
812 | int64_t *target; |
813 | ||
814 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
815 | if (nr_vals == 0) | |
816 | target = &start; | |
817 | else | |
818 | target = &end; | |
819 | ||
820 | switch (iter->u.unary_expression.type) { | |
821 | case UNARY_SIGNED_CONSTANT: | |
822 | *target = iter->u.unary_expression.u.signed_constant; | |
823 | break; | |
824 | case UNARY_UNSIGNED_CONSTANT: | |
825 | *target = iter->u.unary_expression.u.unsigned_constant; | |
826 | break; | |
827 | default: | |
78af2bcd | 828 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
829 | return -EINVAL; |
830 | } | |
831 | if (nr_vals > 1) { | |
78af2bcd | 832 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
833 | return -EINVAL; |
834 | } | |
835 | nr_vals++; | |
836 | } | |
837 | if (nr_vals == 1) | |
838 | end = start; | |
839 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 840 | } else { |
1cfda062 MD |
841 | uint64_t start, end; |
842 | int nr_vals = 0; | |
843 | ||
a0720417 MD |
844 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
845 | uint64_t *target; | |
1cfda062 MD |
846 | |
847 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
848 | if (nr_vals == 0) | |
849 | target = &start; | |
850 | else | |
851 | target = &end; | |
852 | ||
853 | switch (iter->u.unary_expression.type) { | |
854 | case UNARY_UNSIGNED_CONSTANT: | |
855 | *target = iter->u.unary_expression.u.unsigned_constant; | |
856 | break; | |
857 | case UNARY_SIGNED_CONSTANT: | |
858 | /* | |
859 | * We don't accept signed constants for enums with unsigned | |
860 | * container type. | |
861 | */ | |
78af2bcd | 862 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
863 | return -EINVAL; |
864 | default: | |
78af2bcd | 865 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
866 | return -EINVAL; |
867 | } | |
868 | if (nr_vals > 1) { | |
78af2bcd | 869 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
870 | return -EINVAL; |
871 | } | |
872 | nr_vals++; | |
873 | } | |
874 | if (nr_vals == 1) | |
875 | end = start; | |
876 | enum_unsigned_insert(enum_declaration, start, end, q); | |
877 | } | |
add40b62 MD |
878 | return 0; |
879 | } | |
880 | ||
881 | static | |
8fdba45b | 882 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 883 | const char *name, |
78af2bcd | 884 | struct ctf_node *container_type, |
add40b62 | 885 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
886 | int has_body, |
887 | struct declaration_scope *declaration_scope, | |
888 | struct ctf_trace *trace) | |
05628561 | 889 | { |
add40b62 MD |
890 | struct declaration *declaration; |
891 | struct declaration_enum *enum_declaration; | |
892 | struct declaration_integer *integer_declaration; | |
78af2bcd | 893 | struct ctf_node *iter; |
1cfda062 | 894 | GQuark dummy_id; |
a0720417 | 895 | int ret; |
add40b62 | 896 | |
05628561 | 897 | /* |
add40b62 MD |
898 | * For named enum (without body), lookup in |
899 | * declaration scope. Don't take reference on enum | |
900 | * declaration: ref is only taken upon definition. | |
05628561 | 901 | */ |
add40b62 MD |
902 | if (!has_body) { |
903 | assert(name); | |
904 | enum_declaration = | |
905 | lookup_enum_declaration(g_quark_from_string(name), | |
906 | declaration_scope); | |
a0720417 | 907 | return &enum_declaration->p; |
add40b62 MD |
908 | } else { |
909 | /* For unnamed enum, create type */ | |
910 | /* For named enum (with body), create type and add to declaration scope */ | |
911 | if (name) { | |
912 | if (lookup_enum_declaration(g_quark_from_string(name), | |
913 | declaration_scope)) { | |
914 | ||
78af2bcd | 915 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
916 | return NULL; |
917 | } | |
918 | } | |
78af2bcd | 919 | if (!container_type) { |
6743829a MD |
920 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
921 | declaration_scope); | |
922 | if (!declaration) { | |
923 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
924 | return NULL; | |
925 | } | |
926 | } else { | |
927 | declaration = ctf_type_declarator_visit(fd, depth, | |
928 | container_type, | |
929 | &dummy_id, NULL, | |
930 | declaration_scope, | |
931 | NULL, trace); | |
1cfda062 | 932 | } |
30ea18a1 MD |
933 | if (!declaration) { |
934 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
935 | return NULL; | |
936 | } | |
937 | if (declaration->id != CTF_TYPE_INTEGER) { | |
938 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
939 | return NULL; | |
1cfda062 | 940 | } |
30ea18a1 | 941 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 942 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
943 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
944 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
945 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
946 | if (ret) | |
947 | goto error; | |
948 | } | |
949 | if (name) { | |
950 | ret = register_enum_declaration(g_quark_from_string(name), | |
951 | enum_declaration, | |
952 | declaration_scope); | |
953 | assert(!ret); | |
954 | } | |
a0720417 | 955 | return &enum_declaration->p; |
05628561 | 956 | } |
add40b62 MD |
957 | error: |
958 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
959 | return NULL; | |
05628561 MD |
960 | } |
961 | ||
962 | static | |
8fdba45b | 963 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 964 | struct ctf_node *type_specifier_list, |
d20f5e59 | 965 | struct declaration_scope *declaration_scope) |
05628561 | 966 | { |
add40b62 MD |
967 | GString *str; |
968 | struct declaration *declaration; | |
a0720417 MD |
969 | char *str_c; |
970 | int ret; | |
971 | GQuark id_q; | |
05628561 | 972 | |
a0720417 | 973 | str = g_string_new(""); |
78af2bcd | 974 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
975 | if (ret) |
976 | return NULL; | |
977 | str_c = g_string_free(str, FALSE); | |
978 | id_q = g_quark_from_string(str_c); | |
979 | g_free(str_c); | |
980 | declaration = lookup_declaration(id_q, declaration_scope); | |
981 | return declaration; | |
982 | } | |
983 | ||
ab4cf058 MD |
984 | /* |
985 | * Returns 0/1 boolean, or < 0 on error. | |
986 | */ | |
987 | static | |
a0720417 | 988 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
989 | { |
990 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 991 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
992 | __func__); |
993 | return -EINVAL; | |
994 | } | |
995 | switch (unary_expression->u.unary_expression.type) { | |
996 | case UNARY_UNSIGNED_CONSTANT: | |
997 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
998 | return 0; | |
999 | else | |
1000 | return 1; | |
1001 | case UNARY_SIGNED_CONSTANT: | |
1002 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
1003 | return 0; | |
1004 | else | |
1005 | return 1; | |
1006 | case UNARY_STRING: | |
1007 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
1008 | return 1; | |
1009 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
1010 | return 1; | |
1011 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
1012 | return 0; | |
1013 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
1014 | return 0; | |
1015 | else { | |
78af2bcd | 1016 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
1017 | __func__, unary_expression->u.unary_expression.u.string); |
1018 | return -EINVAL; | |
1019 | } | |
1020 | break; | |
1021 | default: | |
78af2bcd | 1022 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
1023 | __func__); |
1024 | return -EINVAL; | |
1025 | } | |
1026 | ||
1027 | } | |
1028 | ||
0f980a35 MD |
1029 | static |
1030 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1031 | { | |
1032 | int byte_order; | |
1033 | ||
1034 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1035 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1036 | __func__); | |
1037 | return -EINVAL; | |
1038 | } | |
1039 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1040 | byte_order = BIG_ENDIAN; | |
1041 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1042 | byte_order = LITTLE_ENDIAN; | |
1043 | else { | |
1044 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1045 | __func__, unary_expression->u.unary_expression.u.string); | |
1046 | return -EINVAL; | |
1047 | } | |
1048 | return byte_order; | |
1049 | } | |
1050 | ||
ab4cf058 | 1051 | static |
a0720417 MD |
1052 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1053 | struct ctf_trace *trace) | |
ab4cf058 MD |
1054 | { |
1055 | int byte_order; | |
1056 | ||
1057 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1058 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1059 | __func__); |
1060 | return -EINVAL; | |
1061 | } | |
1062 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1063 | byte_order = trace->byte_order; | |
1064 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1065 | byte_order = BIG_ENDIAN; | |
1066 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1067 | byte_order = BIG_ENDIAN; | |
1068 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1069 | byte_order = LITTLE_ENDIAN; | |
1070 | else { | |
78af2bcd | 1071 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1072 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1073 | return -EINVAL; |
1074 | } | |
1075 | return byte_order; | |
1076 | } | |
1077 | ||
add40b62 | 1078 | static |
8fdba45b | 1079 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1080 | struct cds_list_head *expressions, |
1081 | struct ctf_trace *trace) | |
add40b62 | 1082 | { |
a0720417 | 1083 | struct ctf_node *expression; |
ab4cf058 MD |
1084 | uint64_t alignment, size; |
1085 | int byte_order = trace->byte_order; | |
1086 | int signedness = 0; | |
add40b62 | 1087 | int has_alignment = 0, has_size = 0; |
4d5fc303 | 1088 | int base = 0; |
add40b62 MD |
1089 | struct declaration_integer *integer_declaration; |
1090 | ||
1091 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1092 | struct ctf_node *left, *right; |
add40b62 | 1093 | |
a0720417 MD |
1094 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1095 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1096 | assert(left->u.unary_expression.type == UNARY_STRING); |
1097 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1098 | signedness = get_boolean(fd, depth, right); |
1099 | if (signedness < 0) | |
1100 | return NULL; | |
add40b62 | 1101 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1102 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1103 | if (byte_order < 0) |
1104 | return NULL; | |
add40b62 | 1105 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1106 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1107 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1108 | __func__); |
1109 | return NULL; | |
1110 | } | |
1111 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1112 | has_size = 1; |
1113 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1114 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1115 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1116 | __func__); |
1117 | return NULL; | |
1118 | } | |
1119 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1120 | /* Make sure alignment is a power of two */ |
1121 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1122 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1123 | __func__); | |
1124 | return NULL; | |
1125 | } | |
add40b62 | 1126 | has_alignment = 1; |
164078da MD |
1127 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { |
1128 | switch (right->u.unary_expression.type) { | |
1129 | case UNARY_UNSIGNED_CONSTANT: | |
1130 | switch (right->u.unary_expression.u.unsigned_constant) { | |
1131 | case 2: | |
1132 | case 8: | |
1133 | case 10: | |
1134 | case 16: | |
1135 | base = right->u.unary_expression.u.unsigned_constant; | |
1136 | break; | |
1137 | default: | |
1138 | fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", | |
1139 | __func__, right->u.unary_expression.u.unsigned_constant); | |
1140 | return NULL; | |
1141 | } | |
1142 | break; | |
1143 | case UNARY_STRING: | |
1144 | { | |
1145 | char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1146 | if (!s_right) { | |
1147 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1148 | g_free(s_right); | |
1149 | return NULL; | |
1150 | } | |
1151 | if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") | |
1152 | || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { | |
1153 | base = 10; | |
1154 | } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") | |
1155 | || !strcmp(s_right, "x") || !strcmp(s_right, "X") | |
1156 | || !strcmp(s_right, "p")) { | |
1157 | base = 16; | |
1158 | } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") | |
1159 | || !strcmp(s_right, "o")) { | |
1160 | base = 8; | |
1161 | } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { | |
1162 | base = 2; | |
1163 | } else { | |
1164 | fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); | |
1165 | g_free(s_right); | |
1166 | return NULL; | |
1167 | } | |
1168 | ||
1169 | g_free(s_right); | |
1170 | break; | |
1171 | } | |
1172 | default: | |
1173 | fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", | |
1174 | __func__); | |
1175 | return NULL; | |
1176 | } | |
add40b62 | 1177 | } else { |
78af2bcd | 1178 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
add40b62 MD |
1179 | __func__, left->u.unary_expression.u.string); |
1180 | return NULL; | |
1181 | } | |
05628561 | 1182 | } |
add40b62 | 1183 | if (!has_size) { |
78af2bcd | 1184 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1185 | return NULL; |
1186 | } | |
ab4cf058 MD |
1187 | if (!has_alignment) { |
1188 | if (size % CHAR_BIT) { | |
1189 | /* bit-packed alignment */ | |
1190 | alignment = 1; | |
1191 | } else { | |
1192 | /* byte-packed alignment */ | |
1193 | alignment = CHAR_BIT; | |
1194 | } | |
1195 | } | |
add40b62 | 1196 | integer_declaration = integer_declaration_new(size, |
164078da | 1197 | byte_order, signedness, alignment, base); |
add40b62 | 1198 | return &integer_declaration->p; |
05628561 MD |
1199 | } |
1200 | ||
ab4cf058 | 1201 | static |
8fdba45b | 1202 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1203 | struct cds_list_head *expressions, |
1204 | struct ctf_trace *trace) | |
1205 | { | |
a0720417 | 1206 | struct ctf_node *expression; |
ab4cf058 MD |
1207 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; |
1208 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
1209 | struct declaration_float *float_declaration; | |
1210 | ||
1211 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1212 | struct ctf_node *left, *right; |
ab4cf058 | 1213 | |
a0720417 MD |
1214 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1215 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1216 | assert(left->u.unary_expression.type == UNARY_STRING); |
1217 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1218 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1219 | if (byte_order < 0) |
1220 | return NULL; | |
1221 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1222 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1223 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1224 | __func__); |
1225 | return NULL; | |
1226 | } | |
1227 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1228 | has_exp_dig = 1; | |
1229 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1230 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1231 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1232 | __func__); |
1233 | return NULL; | |
1234 | } | |
1235 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1236 | has_mant_dig = 1; | |
1237 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1238 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1239 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1240 | __func__); |
1241 | return NULL; | |
1242 | } | |
1243 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1244 | /* Make sure alignment is a power of two */ |
1245 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1246 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1247 | __func__); | |
1248 | return NULL; | |
1249 | } | |
ab4cf058 MD |
1250 | has_alignment = 1; |
1251 | } else { | |
78af2bcd | 1252 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1253 | __func__, left->u.unary_expression.u.string); |
1254 | return NULL; | |
1255 | } | |
1256 | } | |
1257 | if (!has_mant_dig) { | |
78af2bcd | 1258 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1259 | return NULL; |
1260 | } | |
1261 | if (!has_exp_dig) { | |
78af2bcd | 1262 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1263 | return NULL; |
1264 | } | |
1265 | if (!has_alignment) { | |
1266 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1267 | /* bit-packed alignment */ | |
1268 | alignment = 1; | |
1269 | } else { | |
1270 | /* byte-packed alignment */ | |
1271 | alignment = CHAR_BIT; | |
1272 | } | |
1273 | } | |
1274 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1275 | byte_order, alignment); | |
1276 | return &float_declaration->p; | |
1277 | } | |
1278 | ||
1279 | static | |
8fdba45b | 1280 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1281 | struct cds_list_head *expressions, |
1282 | struct ctf_trace *trace) | |
1283 | { | |
a0720417 | 1284 | struct ctf_node *expression; |
ab4cf058 MD |
1285 | const char *encoding_c = NULL; |
1286 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1287 | struct declaration_string *string_declaration; | |
1288 | ||
1289 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1290 | struct ctf_node *left, *right; |
ab4cf058 | 1291 | |
a0720417 MD |
1292 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1293 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1294 | assert(left->u.unary_expression.type == UNARY_STRING); |
1295 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1296 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1297 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1298 | __func__); |
1299 | return NULL; | |
1300 | } | |
1301 | encoding_c = right->u.unary_expression.u.string; | |
1302 | } else { | |
78af2bcd | 1303 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1304 | __func__, left->u.unary_expression.u.string); |
1305 | return NULL; | |
1306 | } | |
1307 | } | |
1308 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1309 | encoding = CTF_STRING_ASCII; | |
1310 | string_declaration = string_declaration_new(encoding); | |
1311 | return &string_declaration->p; | |
1312 | } | |
1313 | ||
1314 | ||
05628561 | 1315 | static |
78af2bcd MD |
1316 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1317 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1318 | struct declaration_scope *declaration_scope, |
1319 | struct ctf_trace *trace) | |
05628561 | 1320 | { |
a0720417 | 1321 | struct ctf_node *first; |
78af2bcd | 1322 | struct ctf_node *node; |
d20f5e59 | 1323 | |
427c09b7 MD |
1324 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1325 | ||
78af2bcd | 1326 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1327 | |
78af2bcd MD |
1328 | assert(first->type == NODE_TYPE_SPECIFIER); |
1329 | ||
1330 | node = first->u.type_specifier.node; | |
1331 | ||
1332 | switch (first->u.type_specifier.type) { | |
1333 | case TYPESPEC_FLOATING_POINT: | |
1334 | return ctf_declaration_floating_point_visit(fd, depth, | |
1335 | &node->u.floating_point.expressions, trace); | |
1336 | case TYPESPEC_INTEGER: | |
1337 | return ctf_declaration_integer_visit(fd, depth, | |
1338 | &node->u.integer.expressions, trace); | |
1339 | case TYPESPEC_STRING: | |
1340 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1341 | &node->u.string.expressions, trace); |
78af2bcd | 1342 | case TYPESPEC_STRUCT: |
add40b62 | 1343 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1344 | node->u._struct.name, |
1345 | &node->u._struct.declaration_list, | |
1346 | node->u._struct.has_body, | |
b7e35bad | 1347 | &node->u._struct.min_align, |
ab4cf058 MD |
1348 | declaration_scope, |
1349 | trace); | |
78af2bcd | 1350 | case TYPESPEC_VARIANT: |
add40b62 | 1351 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1352 | node->u.variant.name, |
1353 | node->u.variant.choice, | |
1354 | &node->u.variant.declaration_list, | |
1355 | node->u.variant.has_body, | |
ab4cf058 MD |
1356 | declaration_scope, |
1357 | trace); | |
78af2bcd | 1358 | case TYPESPEC_ENUM: |
add40b62 | 1359 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1360 | node->u._enum.enum_id, |
1361 | node->u._enum.container_type, | |
1362 | &node->u._enum.enumerator_list, | |
1363 | node->u._enum.has_body, | |
1cfda062 | 1364 | declaration_scope, |
ab4cf058 | 1365 | trace); |
78af2bcd MD |
1366 | |
1367 | case TYPESPEC_VOID: | |
1368 | case TYPESPEC_CHAR: | |
1369 | case TYPESPEC_SHORT: | |
1370 | case TYPESPEC_INT: | |
1371 | case TYPESPEC_LONG: | |
1372 | case TYPESPEC_FLOAT: | |
1373 | case TYPESPEC_DOUBLE: | |
1374 | case TYPESPEC_SIGNED: | |
1375 | case TYPESPEC_UNSIGNED: | |
1376 | case TYPESPEC_BOOL: | |
1377 | case TYPESPEC_COMPLEX: | |
1378 | case TYPESPEC_IMAGINARY: | |
1379 | case TYPESPEC_CONST: | |
1380 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1381 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1382 | type_specifier_list, declaration_scope); |
a0720417 | 1383 | default: |
78af2bcd | 1384 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1385 | return NULL; |
add40b62 | 1386 | } |
05628561 MD |
1387 | } |
1388 | ||
1389 | static | |
1390 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1391 | { | |
1392 | int ret = 0; | |
1393 | ||
1394 | switch (node->type) { | |
1395 | case NODE_TYPEDEF: | |
1396 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1397 | event->declaration_scope, |
78af2bcd | 1398 | node->u._typedef.type_specifier_list, |
05628561 | 1399 | &node->u._typedef.type_declarators, |
a0720417 | 1400 | trace); |
05628561 MD |
1401 | if (ret) |
1402 | return ret; | |
1403 | break; | |
1404 | case NODE_TYPEALIAS: | |
1405 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1406 | event->declaration_scope, |
1407 | node->u.typealias.target, node->u.typealias.alias, | |
1408 | trace); | |
05628561 MD |
1409 | if (ret) |
1410 | return ret; | |
1411 | break; | |
1412 | case NODE_CTF_EXPRESSION: | |
1413 | { | |
1414 | char *left; | |
1415 | ||
1416 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1417 | if (!strcmp(left, "name")) { | |
1418 | char *right; | |
1419 | ||
427c09b7 MD |
1420 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1421 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1422 | ret = -EPERM; |
1423 | goto error; | |
427c09b7 | 1424 | } |
05628561 MD |
1425 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1426 | if (!right) { | |
78af2bcd | 1427 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1428 | ret = -EINVAL; |
1429 | goto error; | |
05628561 MD |
1430 | } |
1431 | event->name = g_quark_from_string(right); | |
41253107 | 1432 | g_free(right); |
05628561 MD |
1433 | CTF_EVENT_SET_FIELD(event, name); |
1434 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1435 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1436 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1437 | ret = -EPERM; |
1438 | goto error; | |
427c09b7 | 1439 | } |
05628561 MD |
1440 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1441 | if (ret) { | |
78af2bcd | 1442 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1443 | ret = -EINVAL; |
1444 | goto error; | |
05628561 MD |
1445 | } |
1446 | CTF_EVENT_SET_FIELD(event, id); | |
1447 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1448 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1449 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1450 | ret = -EPERM; |
1451 | goto error; | |
427c09b7 | 1452 | } |
05628561 MD |
1453 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1454 | if (ret) { | |
78af2bcd | 1455 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1456 | ret = -EINVAL; |
1457 | goto error; | |
05628561 MD |
1458 | } |
1459 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1460 | if (!event->stream) { | |
78af2bcd | 1461 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1462 | ret = -EINVAL; |
1463 | goto error; | |
05628561 | 1464 | } |
05628561 MD |
1465 | CTF_EVENT_SET_FIELD(event, stream_id); |
1466 | } else if (!strcmp(left, "context")) { | |
1467 | struct declaration *declaration; | |
1468 | ||
427c09b7 MD |
1469 | if (event->context_decl) { |
1470 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1471 | ret = -EINVAL; |
1472 | goto error; | |
427c09b7 | 1473 | } |
78af2bcd MD |
1474 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1475 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1476 | struct ctf_node, siblings), | |
ab4cf058 | 1477 | event->declaration_scope, trace); |
0f980a35 MD |
1478 | if (!declaration) { |
1479 | ret = -EPERM; | |
1480 | goto error; | |
1481 | } | |
1482 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1483 | ret = -EPERM; | |
1484 | goto error; | |
1485 | } | |
9e29e16e | 1486 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1487 | } else if (!strcmp(left, "fields")) { |
1488 | struct declaration *declaration; | |
1489 | ||
427c09b7 MD |
1490 | if (event->fields_decl) { |
1491 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1492 | ret = -EINVAL; |
1493 | goto error; | |
427c09b7 | 1494 | } |
78af2bcd MD |
1495 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1496 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1497 | struct ctf_node, siblings), | |
ab4cf058 | 1498 | event->declaration_scope, trace); |
0f980a35 MD |
1499 | if (!declaration) { |
1500 | ret = -EPERM; | |
1501 | goto error; | |
1502 | } | |
1503 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1504 | ret = -EPERM; | |
1505 | goto error; | |
1506 | } | |
9e29e16e | 1507 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1508 | } |
0f980a35 | 1509 | error: |
41253107 | 1510 | g_free(left); |
05628561 MD |
1511 | break; |
1512 | } | |
1513 | default: | |
1514 | return -EPERM; | |
1515 | /* TODO: declaration specifier should be added. */ | |
1516 | } | |
1517 | ||
0f980a35 | 1518 | return ret; |
05628561 MD |
1519 | } |
1520 | ||
1521 | static | |
1522 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1523 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1524 | { |
1525 | int ret = 0; | |
1526 | struct ctf_node *iter; | |
1527 | struct ctf_event *event; | |
9e29e16e | 1528 | struct definition_scope *parent_def_scope; |
05628561 MD |
1529 | |
1530 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1531 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1532 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1533 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1534 | if (ret) | |
1535 | goto error; | |
1536 | } | |
1537 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1538 | ret = -EPERM; | |
427c09b7 | 1539 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1540 | goto error; |
1541 | } | |
05628561 | 1542 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1543 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1544 | switch (trace->streams->len) { |
1545 | case 0: /* Create stream if there was none. */ | |
1546 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1547 | if (ret) | |
1548 | goto error; | |
1549 | /* Fall-through */ | |
1550 | case 1: | |
0f980a35 MD |
1551 | event->stream_id = 0; |
1552 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1553 | break; |
1554 | default: | |
0f980a35 MD |
1555 | ret = -EPERM; |
1556 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1557 | goto error; | |
1558 | } | |
05628561 | 1559 | } |
8c572eba MD |
1560 | /* Allow only one event without id per stream */ |
1561 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1562 | && event->stream->events_by_id->len != 0) { | |
1563 | ret = -EPERM; | |
1564 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1565 | goto error; | |
1566 | } | |
05628561 MD |
1567 | if (event->stream->events_by_id->len <= event->id) |
1568 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1569 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1570 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1571 | (gpointer)(unsigned long) event->name, | |
1572 | &event->id); | |
a0720417 | 1573 | parent_def_scope = event->stream->definition_scope; |
9e29e16e MD |
1574 | if (event->context_decl) { |
1575 | event->context = | |
a0720417 MD |
1576 | container_of( |
1577 | event->context_decl->p.definition_new(&event->context_decl->p, | |
1578 | parent_def_scope, 0, 0), | |
1579 | struct definition_struct, p); | |
6a36ddca MD |
1580 | set_dynamic_definition_scope(&event->context->p, |
1581 | event->context->scope, | |
d00d17d1 | 1582 | "event.context"); |
9e29e16e | 1583 | parent_def_scope = event->context->scope; |
a0720417 | 1584 | declaration_unref(&event->context_decl->p); |
9e29e16e MD |
1585 | } |
1586 | if (event->fields_decl) { | |
1587 | event->fields = | |
a0720417 MD |
1588 | container_of( |
1589 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
1590 | parent_def_scope, 0, 0), | |
1591 | struct definition_struct, p); | |
6a36ddca MD |
1592 | set_dynamic_definition_scope(&event->fields->p, |
1593 | event->fields->scope, | |
d00d17d1 | 1594 | "event.fields"); |
9e29e16e | 1595 | parent_def_scope = event->fields->scope; |
a0720417 | 1596 | declaration_unref(&event->fields_decl->p); |
9e29e16e | 1597 | } |
05628561 MD |
1598 | return 0; |
1599 | ||
1600 | error: | |
a0720417 MD |
1601 | declaration_unref(&event->fields_decl->p); |
1602 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1603 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1604 | g_free(event); |
1605 | return ret; | |
1606 | } | |
1607 | ||
1608 | ||
1609 | static | |
aa6bffae | 1610 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) |
05628561 MD |
1611 | { |
1612 | int ret = 0; | |
1613 | ||
1614 | switch (node->type) { | |
1615 | case NODE_TYPEDEF: | |
1616 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1617 | stream->declaration_scope, |
78af2bcd | 1618 | node->u._typedef.type_specifier_list, |
05628561 | 1619 | &node->u._typedef.type_declarators, |
a0720417 | 1620 | trace); |
05628561 MD |
1621 | if (ret) |
1622 | return ret; | |
1623 | break; | |
1624 | case NODE_TYPEALIAS: | |
1625 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1626 | stream->declaration_scope, |
1627 | node->u.typealias.target, node->u.typealias.alias, | |
1628 | trace); | |
05628561 MD |
1629 | if (ret) |
1630 | return ret; | |
1631 | break; | |
1632 | case NODE_CTF_EXPRESSION: | |
1633 | { | |
1634 | char *left; | |
1635 | ||
1636 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1637 | if (!strcmp(left, "id")) { |
1638 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1639 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1640 | ret = -EPERM; |
1641 | goto error; | |
427c09b7 | 1642 | } |
a0720417 | 1643 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1644 | if (ret) { |
427c09b7 | 1645 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1646 | ret = -EINVAL; |
1647 | goto error; | |
05628561 | 1648 | } |
a0720417 | 1649 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1650 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1651 | struct declaration *declaration; |
1652 | ||
427c09b7 MD |
1653 | if (stream->event_header_decl) { |
1654 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1655 | ret = -EINVAL; |
1656 | goto error; | |
427c09b7 | 1657 | } |
78af2bcd MD |
1658 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1659 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1660 | struct ctf_node, siblings), | |
a0720417 | 1661 | stream->declaration_scope, trace); |
0f980a35 MD |
1662 | if (!declaration) { |
1663 | ret = -EPERM; | |
1664 | goto error; | |
1665 | } | |
1666 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1667 | ret = -EPERM; | |
1668 | goto error; | |
1669 | } | |
9e29e16e MD |
1670 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1671 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1672 | struct declaration *declaration; |
1673 | ||
427c09b7 MD |
1674 | if (stream->event_context_decl) { |
1675 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1676 | ret = -EINVAL; |
1677 | goto error; | |
427c09b7 | 1678 | } |
78af2bcd MD |
1679 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1680 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1681 | struct ctf_node, siblings), | |
ab4cf058 | 1682 | stream->declaration_scope, trace); |
0f980a35 MD |
1683 | if (!declaration) { |
1684 | ret = -EPERM; | |
1685 | goto error; | |
1686 | } | |
1687 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1688 | ret = -EPERM; | |
1689 | goto error; | |
1690 | } | |
9e29e16e MD |
1691 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1692 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1693 | struct declaration *declaration; |
1694 | ||
427c09b7 MD |
1695 | if (stream->packet_context_decl) { |
1696 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1697 | ret = -EINVAL; |
1698 | goto error; | |
427c09b7 | 1699 | } |
78af2bcd MD |
1700 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1701 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1702 | struct ctf_node, siblings), | |
ab4cf058 | 1703 | stream->declaration_scope, trace); |
0f980a35 MD |
1704 | if (!declaration) { |
1705 | ret = -EPERM; | |
1706 | goto error; | |
1707 | } | |
1708 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1709 | ret = -EPERM; | |
1710 | goto error; | |
1711 | } | |
9e29e16e | 1712 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 | 1713 | } |
0f980a35 | 1714 | error: |
41253107 | 1715 | g_free(left); |
05628561 MD |
1716 | break; |
1717 | } | |
1718 | default: | |
1719 | return -EPERM; | |
1720 | /* TODO: declaration specifier should be added. */ | |
1721 | } | |
1722 | ||
0f980a35 | 1723 | return ret; |
05628561 MD |
1724 | } |
1725 | ||
1726 | static | |
1727 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1728 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1729 | { |
1730 | int ret = 0; | |
1731 | struct ctf_node *iter; | |
aa6bffae | 1732 | struct ctf_stream_class *stream; |
9e29e16e | 1733 | struct definition_scope *parent_def_scope; |
05628561 | 1734 | |
aa6bffae | 1735 | stream = g_new0(struct ctf_stream_class, 1); |
d20f5e59 | 1736 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1737 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1738 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
0f980a35 | 1739 | stream->files = g_ptr_array_new(); |
33105c61 MD |
1740 | if (node) { |
1741 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1742 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1743 | if (ret) | |
1744 | goto error; | |
1745 | } | |
05628561 | 1746 | } |
0f980a35 MD |
1747 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1748 | /* check that packet header has stream_id field. */ | |
1749 | if (!trace->packet_header_decl | |
1750 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1751 | ret = -EPERM; | |
1752 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1753 | goto error; | |
1754 | } | |
8c572eba MD |
1755 | } else { |
1756 | /* Allow only one id-less stream */ | |
1757 | if (trace->streams->len != 0) { | |
1758 | ret = -EPERM; | |
1759 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1760 | goto error; | |
1761 | } | |
1762 | stream->stream_id = 0; | |
05628561 MD |
1763 | } |
1764 | if (trace->streams->len <= stream->stream_id) | |
1765 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1766 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1767 | |
0f980a35 | 1768 | parent_def_scope = trace->definition_scope; |
9e29e16e MD |
1769 | if (stream->packet_context_decl) { |
1770 | stream->packet_context = | |
a0720417 MD |
1771 | container_of( |
1772 | stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p, | |
1773 | parent_def_scope, 0, 0), | |
1774 | struct definition_struct, p); | |
6a36ddca MD |
1775 | set_dynamic_definition_scope(&stream->packet_context->p, |
1776 | stream->packet_context->scope, | |
d00d17d1 | 1777 | "stream.packet.context"); |
9e29e16e | 1778 | parent_def_scope = stream->packet_context->scope; |
a0720417 | 1779 | declaration_unref(&stream->packet_context_decl->p); |
9e29e16e MD |
1780 | } |
1781 | if (stream->event_header_decl) { | |
1782 | stream->event_header = | |
a0720417 MD |
1783 | container_of( |
1784 | stream->event_header_decl->p.definition_new(&stream->event_header_decl->p, | |
1785 | parent_def_scope, 0, 0), | |
1786 | struct definition_struct, p); | |
6a36ddca MD |
1787 | set_dynamic_definition_scope(&stream->event_header->p, |
1788 | stream->event_header->scope, | |
d00d17d1 | 1789 | "stream.event.header"); |
9e29e16e | 1790 | parent_def_scope = stream->event_header->scope; |
a0720417 | 1791 | declaration_unref(&stream->event_header_decl->p); |
9e29e16e MD |
1792 | } |
1793 | if (stream->event_context_decl) { | |
1794 | stream->event_context = | |
a0720417 MD |
1795 | container_of( |
1796 | stream->event_context_decl->p.definition_new(&stream->event_context_decl->p, | |
1797 | parent_def_scope, 0, 0), | |
1798 | struct definition_struct, p); | |
6a36ddca MD |
1799 | set_dynamic_definition_scope(&stream->event_context->p, |
1800 | stream->event_context->scope, | |
d00d17d1 | 1801 | "stream.event.context"); |
9e29e16e | 1802 | parent_def_scope = stream->event_context->scope; |
a0720417 | 1803 | declaration_unref(&stream->event_context_decl->p); |
9e29e16e | 1804 | } |
41253107 | 1805 | stream->definition_scope = parent_def_scope; |
9e29e16e | 1806 | |
05628561 MD |
1807 | return 0; |
1808 | ||
1809 | error: | |
a0720417 MD |
1810 | declaration_unref(&stream->event_header_decl->p); |
1811 | declaration_unref(&stream->event_context_decl->p); | |
1812 | declaration_unref(&stream->packet_context_decl->p); | |
0f980a35 | 1813 | g_ptr_array_free(stream->files, TRUE); |
05628561 | 1814 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1815 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1816 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1817 | g_free(stream); |
1818 | return ret; | |
1819 | } | |
1820 | ||
1821 | static | |
1822 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1823 | { | |
1824 | int ret = 0; | |
1825 | ||
1826 | switch (node->type) { | |
1827 | case NODE_TYPEDEF: | |
1828 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1829 | trace->declaration_scope, |
78af2bcd | 1830 | node->u._typedef.type_specifier_list, |
05628561 | 1831 | &node->u._typedef.type_declarators, |
a0720417 | 1832 | trace); |
05628561 MD |
1833 | if (ret) |
1834 | return ret; | |
1835 | break; | |
1836 | case NODE_TYPEALIAS: | |
1837 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1838 | trace->declaration_scope, |
1839 | node->u.typealias.target, node->u.typealias.alias, | |
1840 | trace); | |
05628561 MD |
1841 | if (ret) |
1842 | return ret; | |
1843 | break; | |
1844 | case NODE_CTF_EXPRESSION: | |
1845 | { | |
1846 | char *left; | |
1847 | ||
1848 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1849 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1850 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1851 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1852 | ret = -EPERM; |
1853 | goto error; | |
427c09b7 | 1854 | } |
05628561 MD |
1855 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1856 | if (ret) { | |
78af2bcd | 1857 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1858 | ret = -EINVAL; |
1859 | goto error; | |
05628561 | 1860 | } |
a0720417 | 1861 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1862 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1863 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1864 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1865 | ret = -EPERM; |
1866 | goto error; | |
427c09b7 | 1867 | } |
05628561 MD |
1868 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1869 | if (ret) { | |
78af2bcd | 1870 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1871 | ret = -EINVAL; |
1872 | goto error; | |
05628561 | 1873 | } |
a0720417 | 1874 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1875 | } else if (!strcmp(left, "uuid")) { |
427c09b7 MD |
1876 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
1877 | fprintf(fd, "[error] %s: uuid already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1878 | ret = -EPERM; |
1879 | goto error; | |
427c09b7 | 1880 | } |
05628561 MD |
1881 | ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid); |
1882 | if (ret) { | |
78af2bcd | 1883 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1884 | ret = -EINVAL; |
1885 | goto error; | |
05628561 | 1886 | } |
a0720417 | 1887 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
1888 | } else if (!strcmp(left, "byte_order")) { |
1889 | struct ctf_node *right; | |
1890 | int byte_order; | |
1891 | ||
1892 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
1893 | fprintf(fd, "[error] %s: endianness already declared in trace declaration\n", __func__); | |
1894 | ret = -EPERM; | |
1895 | goto error; | |
1896 | } | |
1897 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); | |
1898 | byte_order = get_trace_byte_order(fd, depth, right); | |
1899 | if (byte_order < 0) | |
1900 | return -EINVAL; | |
1901 | trace->byte_order = byte_order; | |
1902 | CTF_TRACE_SET_FIELD(trace, byte_order); | |
1903 | } else if (!strcmp(left, "packet.header")) { | |
1904 | struct declaration *declaration; | |
1905 | ||
1906 | if (trace->packet_header_decl) { | |
1907 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
1908 | ret = -EINVAL; | |
1909 | goto error; | |
1910 | } | |
1911 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
1912 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1913 | struct ctf_node, siblings), | |
1914 | trace->declaration_scope, trace); | |
1915 | if (!declaration) { | |
1916 | ret = -EPERM; | |
1917 | goto error; | |
1918 | } | |
1919 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1920 | ret = -EPERM; | |
1921 | goto error; | |
1922 | } | |
1923 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
05628561 | 1924 | } |
0f980a35 | 1925 | error: |
41253107 | 1926 | g_free(left); |
05628561 MD |
1927 | break; |
1928 | } | |
1929 | default: | |
1930 | return -EPERM; | |
1931 | /* TODO: declaration specifier should be added. */ | |
1932 | } | |
1933 | ||
0f980a35 | 1934 | return ret; |
05628561 MD |
1935 | } |
1936 | ||
05628561 MD |
1937 | static |
1938 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1939 | { | |
0f980a35 | 1940 | struct definition_scope *parent_def_scope; |
05628561 MD |
1941 | int ret = 0; |
1942 | struct ctf_node *iter; | |
1943 | ||
d20f5e59 | 1944 | if (trace->declaration_scope) |
05628561 | 1945 | return -EEXIST; |
d20f5e59 | 1946 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
1947 | trace->streams = g_ptr_array_new(); |
1948 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
1949 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
1950 | if (ret) | |
1951 | goto error; | |
1952 | } | |
a0720417 | 1953 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 1954 | ret = -EPERM; |
427c09b7 | 1955 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
1956 | goto error; |
1957 | } | |
a0720417 | 1958 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 1959 | ret = -EPERM; |
427c09b7 | 1960 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
1961 | goto error; |
1962 | } | |
a0720417 | 1963 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 1964 | ret = -EPERM; |
427c09b7 | 1965 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
1966 | goto error; |
1967 | } | |
dc48ecad MD |
1968 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
1969 | ret = -EPERM; | |
1970 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
1971 | goto error; | |
1972 | } | |
0f980a35 MD |
1973 | |
1974 | parent_def_scope = NULL; | |
1975 | if (trace->packet_header_decl) { | |
1976 | trace->packet_header = | |
1977 | container_of( | |
1978 | trace->packet_header_decl->p.definition_new(&trace->packet_header_decl->p, | |
1979 | parent_def_scope, 0, 0), | |
1980 | struct definition_struct, p); | |
1981 | set_dynamic_definition_scope(&trace->packet_header->p, | |
1982 | trace->packet_header->scope, | |
1983 | "trace.packet.header"); | |
1984 | parent_def_scope = trace->packet_header->scope; | |
1985 | declaration_unref(&trace->packet_header_decl->p); | |
1986 | } | |
1987 | trace->definition_scope = parent_def_scope; | |
1988 | ||
1989 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
1990 | /* check that the packet header contains a "magic" field */ | |
1991 | if (!trace->packet_header | |
1992 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { | |
1993 | ret = -EPERM; | |
1994 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
1995 | goto error_free_def; | |
1996 | } | |
1997 | } | |
05628561 MD |
1998 | return 0; |
1999 | ||
0f980a35 MD |
2000 | error_free_def: |
2001 | definition_unref(&trace->packet_header->p); | |
05628561 MD |
2002 | error: |
2003 | g_ptr_array_free(trace->streams, TRUE); | |
a0720417 | 2004 | free_declaration_scope(trace->declaration_scope); |
05628561 MD |
2005 | return ret; |
2006 | } | |
2007 | ||
78af2bcd MD |
2008 | static |
2009 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2010 | { | |
2011 | int ret = 0; | |
2012 | ||
2013 | switch (node->type) { | |
2014 | case NODE_TYPEDEF: | |
2015 | ret = ctf_typedef_visit(fd, depth + 1, | |
2016 | trace->root_declaration_scope, | |
2017 | node->u._typedef.type_specifier_list, | |
2018 | &node->u._typedef.type_declarators, | |
2019 | trace); | |
2020 | if (ret) | |
2021 | return ret; | |
2022 | break; | |
2023 | case NODE_TYPEALIAS: | |
2024 | ret = ctf_typealias_visit(fd, depth + 1, | |
2025 | trace->root_declaration_scope, | |
2026 | node->u.typealias.target, node->u.typealias.alias, | |
2027 | trace); | |
2028 | if (ret) | |
2029 | return ret; | |
2030 | break; | |
2031 | case NODE_TYPE_SPECIFIER_LIST: | |
2032 | { | |
2033 | struct declaration *declaration; | |
2034 | ||
2035 | /* | |
2036 | * Just add the type specifier to the root scope | |
2037 | * declaration scope. Release local reference. | |
2038 | */ | |
2039 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
2040 | node, trace->root_declaration_scope, trace); | |
2041 | if (!declaration) | |
2042 | return -ENOMEM; | |
2043 | declaration_unref(declaration); | |
2044 | break; | |
2045 | } | |
2046 | default: | |
2047 | return -EPERM; | |
2048 | } | |
2049 | ||
2050 | return 0; | |
2051 | } | |
2052 | ||
ab4cf058 MD |
2053 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
2054 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
2055 | { |
2056 | int ret = 0; | |
2057 | struct ctf_node *iter; | |
2058 | ||
c8b219a3 | 2059 | printf_verbose("CTF visitor: metadata construction... "); |
78af2bcd | 2060 | trace->root_declaration_scope = new_declaration_scope(NULL); |
b7e35bad | 2061 | trace->streams = g_ptr_array_new(); |
ab4cf058 MD |
2062 | trace->byte_order = byte_order; |
2063 | ||
05628561 MD |
2064 | switch (node->type) { |
2065 | case NODE_ROOT: | |
3e11b713 | 2066 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 2067 | siblings) { |
78af2bcd | 2068 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
2069 | if (ret) { |
2070 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
78af2bcd | 2071 | return ret; |
427c09b7 | 2072 | } |
05628561 MD |
2073 | } |
2074 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
2075 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
427c09b7 MD |
2076 | if (ret) { |
2077 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
05628561 | 2078 | return ret; |
427c09b7 | 2079 | } |
05628561 | 2080 | } |
5039b4cc MD |
2081 | if (!trace->streams) { |
2082 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
2083 | return -EINVAL; | |
2084 | } | |
05628561 MD |
2085 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
2086 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 2087 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2088 | if (ret) { |
2089 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
05628561 | 2090 | return ret; |
427c09b7 | 2091 | } |
05628561 MD |
2092 | } |
2093 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2094 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2095 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2096 | if (ret) { |
2097 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
05628561 | 2098 | return ret; |
427c09b7 | 2099 | } |
05628561 MD |
2100 | } |
2101 | break; | |
05628561 MD |
2102 | case NODE_UNKNOWN: |
2103 | default: | |
78af2bcd | 2104 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 MD |
2105 | (int) node->type); |
2106 | return -EINVAL; | |
2107 | } | |
c8b219a3 | 2108 | printf_verbose("done.\n"); |
05628561 MD |
2109 | return ret; |
2110 | } |