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, | |
81dee1bb | 328 | integer_declaration->p.alignment, 16, integer_declaration->encoding); |
2527e149 MD |
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; | |
98df1c9f | 349 | struct ctf_node *first; |
a3cca9e9 MD |
350 | |
351 | /* TYPEDEC_NESTED */ | |
352 | ||
353 | /* create array/sequence, pass nested_declaration as child. */ | |
98df1c9f MD |
354 | if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) { |
355 | fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__); | |
a0720417 MD |
356 | return NULL; |
357 | } | |
98df1c9f MD |
358 | first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, |
359 | struct ctf_node, siblings); | |
360 | assert(first->type == NODE_UNARY_EXPRESSION); | |
361 | ||
362 | switch (first->u.unary_expression.type) { | |
363 | case UNARY_UNSIGNED_CONSTANT: | |
a0720417 MD |
364 | { |
365 | struct declaration_array *array_declaration; | |
366 | size_t len; | |
367 | ||
98df1c9f | 368 | len = first->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
369 | array_declaration = array_declaration_new(len, nested_declaration, |
370 | declaration_scope); | |
98df1c9f MD |
371 | |
372 | if (!array_declaration) { | |
373 | fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); | |
374 | return NULL; | |
375 | } | |
a0720417 MD |
376 | declaration = &array_declaration->p; |
377 | break; | |
378 | } | |
98df1c9f | 379 | case UNARY_STRING: |
a0720417 | 380 | { |
98df1c9f MD |
381 | /* Lookup unsigned integer definition, create sequence */ |
382 | char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length); | |
a0720417 | 383 | struct declaration_sequence *sequence_declaration; |
a0720417 | 384 | |
98df1c9f MD |
385 | sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope); |
386 | if (!sequence_declaration) { | |
387 | fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__); | |
2dd46001 MD |
388 | return NULL; |
389 | } | |
a0720417 MD |
390 | declaration = &sequence_declaration->p; |
391 | break; | |
392 | } | |
393 | default: | |
394 | assert(0); | |
a3cca9e9 MD |
395 | } |
396 | ||
397 | /* Pass it as content of outer container */ | |
398 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 399 | type_specifier_list, field_name, |
a3cca9e9 | 400 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 401 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
402 | return declaration; |
403 | } | |
404 | } | |
405 | ||
406 | static | |
8fdba45b | 407 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 408 | struct declaration_struct *struct_declaration, |
78af2bcd | 409 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 410 | struct cds_list_head *type_declarators, |
e397791f MD |
411 | struct declaration_scope *declaration_scope, |
412 | struct ctf_trace *trace) | |
a3cca9e9 MD |
413 | { |
414 | struct ctf_node *iter; | |
415 | GQuark field_name; | |
416 | ||
417 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
418 | struct declaration *field_declaration; | |
419 | ||
420 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 421 | type_specifier_list, |
a3cca9e9 MD |
422 | &field_name, iter, |
423 | struct_declaration->scope, | |
e397791f | 424 | NULL, trace); |
2dd46001 MD |
425 | if (!field_declaration) { |
426 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
427 | return -EINVAL; | |
428 | } | |
a3cca9e9 MD |
429 | struct_declaration_add_field(struct_declaration, |
430 | g_quark_to_string(field_name), | |
431 | field_declaration); | |
432 | } | |
add40b62 MD |
433 | return 0; |
434 | } | |
a3cca9e9 | 435 | |
add40b62 | 436 | static |
8fdba45b | 437 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 438 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 439 | struct ctf_node *type_specifier_list, |
add40b62 | 440 | struct cds_list_head *type_declarators, |
e397791f MD |
441 | struct declaration_scope *declaration_scope, |
442 | struct ctf_trace *trace) | |
add40b62 MD |
443 | { |
444 | struct ctf_node *iter; | |
445 | GQuark field_name; | |
446 | ||
447 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
448 | struct declaration *field_declaration; | |
449 | ||
450 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 451 | type_specifier_list, |
add40b62 | 452 | &field_name, iter, |
a0720417 | 453 | untagged_variant_declaration->scope, |
e397791f | 454 | NULL, trace); |
2dd46001 MD |
455 | if (!field_declaration) { |
456 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
457 | return -EINVAL; | |
458 | } | |
a0720417 | 459 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
460 | g_quark_to_string(field_name), |
461 | field_declaration); | |
462 | } | |
a3cca9e9 MD |
463 | return 0; |
464 | } | |
465 | ||
466 | static | |
8fdba45b | 467 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 468 | struct ctf_node *type_specifier_list, |
e397791f MD |
469 | struct cds_list_head *type_declarators, |
470 | struct ctf_trace *trace) | |
a3cca9e9 MD |
471 | { |
472 | struct ctf_node *iter; | |
473 | GQuark identifier; | |
474 | ||
475 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
476 | struct declaration *type_declaration; | |
477 | int ret; | |
478 | ||
479 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 480 | type_specifier_list, |
a3cca9e9 | 481 | &identifier, iter, |
e397791f | 482 | scope, NULL, trace); |
2dd46001 MD |
483 | if (!type_declaration) { |
484 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
485 | return -EINVAL; | |
486 | } | |
487 | /* | |
488 | * Don't allow typedef and typealias of untagged | |
489 | * variants. | |
490 | */ | |
491 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
492 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
493 | declaration_unref(type_declaration); | |
494 | return -EPERM; | |
495 | } | |
a3cca9e9 MD |
496 | ret = register_declaration(identifier, type_declaration, scope); |
497 | if (ret) { | |
498 | type_declaration->declaration_free(type_declaration); | |
499 | return ret; | |
500 | } | |
501 | } | |
502 | return 0; | |
503 | } | |
504 | ||
505 | static | |
8fdba45b | 506 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
507 | struct ctf_node *target, struct ctf_node *alias, |
508 | struct ctf_trace *trace) | |
a3cca9e9 MD |
509 | { |
510 | struct declaration *type_declaration; | |
a0720417 | 511 | struct ctf_node *node; |
add40b62 | 512 | GQuark dummy_id; |
a3cca9e9 | 513 | GQuark alias_q; |
a0720417 | 514 | int err; |
a3cca9e9 MD |
515 | |
516 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
517 | ||
518 | /* | |
519 | * Create target type declaration. | |
520 | */ | |
521 | ||
427c09b7 | 522 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
523 | node = NULL; |
524 | else | |
427c09b7 | 525 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 526 | struct ctf_node, siblings); |
a3cca9e9 | 527 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 528 | target->u.typealias_target.type_specifier_list, |
a0720417 | 529 | &dummy_id, node, |
e397791f | 530 | scope, NULL, trace); |
a3cca9e9 | 531 | if (!type_declaration) { |
78af2bcd | 532 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
533 | err = -EINVAL; |
534 | goto error; | |
535 | } | |
2dd46001 MD |
536 | /* |
537 | * Don't allow typedef and typealias of untagged | |
538 | * variants. | |
539 | */ | |
540 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
541 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
542 | declaration_unref(type_declaration); | |
543 | return -EPERM; | |
544 | } | |
a3cca9e9 MD |
545 | /* |
546 | * The semantic validator does not check whether the target is | |
547 | * abstract or not (if it has an identifier). Check it here. | |
548 | */ | |
549 | if (dummy_id != 0) { | |
78af2bcd | 550 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
551 | err = -EINVAL; |
552 | goto error; | |
553 | } | |
554 | /* | |
555 | * Create alias identifier. | |
556 | */ | |
a3cca9e9 MD |
557 | |
558 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 559 | struct ctf_node, siblings); |
add40b62 | 560 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 561 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
562 | err = register_declaration(alias_q, type_declaration, scope); |
563 | if (err) | |
a3cca9e9 MD |
564 | goto error; |
565 | return 0; | |
566 | ||
567 | error: | |
568 | type_declaration->declaration_free(type_declaration); | |
a0720417 | 569 | return err; |
a3cca9e9 MD |
570 | } |
571 | ||
572 | static | |
8fdba45b | 573 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
574 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
575 | struct ctf_trace *trace) | |
a3cca9e9 | 576 | { |
a3cca9e9 MD |
577 | int ret; |
578 | ||
579 | switch (iter->type) { | |
580 | case NODE_TYPEDEF: | |
581 | /* For each declarator, declare type and add type to struct declaration scope */ | |
582 | ret = ctf_typedef_visit(fd, depth, | |
583 | struct_declaration->scope, | |
78af2bcd | 584 | iter->u._typedef.type_specifier_list, |
e397791f | 585 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
586 | if (ret) |
587 | return ret; | |
588 | break; | |
589 | case NODE_TYPEALIAS: | |
590 | /* Declare type with declarator and add type to struct declaration scope */ | |
591 | ret = ctf_typealias_visit(fd, depth, | |
592 | struct_declaration->scope, | |
593 | iter->u.typealias.target, | |
e397791f | 594 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
595 | if (ret) |
596 | return ret; | |
597 | break; | |
598 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
599 | /* Add field to structure declaration */ | |
600 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
601 | struct_declaration, | |
78af2bcd | 602 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
603 | &iter->u.struct_or_variant_declaration.type_declarators, |
604 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
605 | if (ret) |
606 | return ret; | |
607 | break; | |
608 | default: | |
78af2bcd | 609 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
610 | assert(0); |
611 | } | |
612 | return 0; | |
613 | } | |
614 | ||
add40b62 | 615 | static |
8fdba45b | 616 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
617 | struct ctf_node *iter, |
618 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 619 | struct ctf_trace *trace) |
add40b62 | 620 | { |
add40b62 MD |
621 | int ret; |
622 | ||
623 | switch (iter->type) { | |
624 | case NODE_TYPEDEF: | |
625 | /* For each declarator, declare type and add type to variant declaration scope */ | |
626 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 627 | untagged_variant_declaration->scope, |
78af2bcd | 628 | iter->u._typedef.type_specifier_list, |
e397791f | 629 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
630 | if (ret) |
631 | return ret; | |
632 | break; | |
633 | case NODE_TYPEALIAS: | |
634 | /* Declare type with declarator and add type to variant declaration scope */ | |
635 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 636 | untagged_variant_declaration->scope, |
add40b62 | 637 | iter->u.typealias.target, |
e397791f | 638 | iter->u.typealias.alias, trace); |
add40b62 MD |
639 | if (ret) |
640 | return ret; | |
641 | break; | |
642 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
643 | /* Add field to structure declaration */ | |
644 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 645 | untagged_variant_declaration, |
78af2bcd | 646 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
647 | &iter->u.struct_or_variant_declaration.type_declarators, |
648 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
649 | if (ret) |
650 | return ret; | |
651 | break; | |
652 | default: | |
78af2bcd | 653 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
654 | assert(0); |
655 | } | |
656 | return 0; | |
657 | } | |
658 | ||
a3cca9e9 | 659 | static |
a0720417 | 660 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 661 | int depth, const char *name, struct cds_list_head *declaration_list, |
b7e35bad MD |
662 | int has_body, struct cds_list_head *min_align, |
663 | struct declaration_scope *declaration_scope, | |
e397791f | 664 | struct ctf_trace *trace) |
a3cca9e9 | 665 | { |
a3cca9e9 MD |
666 | struct declaration_struct *struct_declaration; |
667 | struct ctf_node *iter; | |
a0720417 | 668 | int ret; |
a3cca9e9 MD |
669 | |
670 | /* | |
671 | * For named struct (without body), lookup in | |
672 | * declaration scope. Don't take reference on struct | |
673 | * declaration: ref is only taken upon definition. | |
674 | */ | |
675 | if (!has_body) { | |
676 | assert(name); | |
677 | struct_declaration = | |
678 | lookup_struct_declaration(g_quark_from_string(name), | |
679 | declaration_scope); | |
a0720417 | 680 | return &struct_declaration->p; |
a3cca9e9 | 681 | } else { |
b7e35bad MD |
682 | uint64_t min_align_value = 0; |
683 | ||
a3cca9e9 MD |
684 | /* For unnamed struct, create type */ |
685 | /* For named struct (with body), create type and add to declaration scope */ | |
686 | if (name) { | |
687 | if (lookup_struct_declaration(g_quark_from_string(name), | |
688 | declaration_scope)) { | |
689 | ||
78af2bcd | 690 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
691 | return NULL; |
692 | } | |
693 | } | |
b7e35bad MD |
694 | if (!cds_list_empty(min_align)) { |
695 | ret = get_unary_unsigned(min_align, &min_align_value); | |
696 | if (ret) { | |
697 | fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); | |
698 | ret = -EINVAL; | |
699 | goto error; | |
700 | } | |
701 | } | |
702 | struct_declaration = struct_declaration_new(declaration_scope, | |
703 | min_align_value); | |
a3cca9e9 | 704 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
705 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
706 | struct_declaration, trace); | |
a3cca9e9 MD |
707 | if (ret) |
708 | goto error; | |
709 | } | |
710 | if (name) { | |
711 | ret = register_struct_declaration(g_quark_from_string(name), | |
712 | struct_declaration, | |
713 | declaration_scope); | |
714 | assert(!ret); | |
715 | } | |
a0720417 | 716 | return &struct_declaration->p; |
a3cca9e9 MD |
717 | } |
718 | error: | |
719 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
720 | return NULL; | |
721 | } | |
722 | ||
05628561 | 723 | static |
a0720417 MD |
724 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
725 | int depth, const char *name, const char *choice, | |
726 | struct cds_list_head *declaration_list, | |
e397791f MD |
727 | int has_body, struct declaration_scope *declaration_scope, |
728 | struct ctf_trace *trace) | |
05628561 | 729 | { |
a0720417 | 730 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
731 | struct declaration_variant *variant_declaration; |
732 | struct ctf_node *iter; | |
a0720417 | 733 | int ret; |
de47353a | 734 | |
add40b62 MD |
735 | /* |
736 | * For named variant (without body), lookup in | |
737 | * declaration scope. Don't take reference on variant | |
738 | * declaration: ref is only taken upon definition. | |
739 | */ | |
740 | if (!has_body) { | |
741 | assert(name); | |
a0720417 | 742 | untagged_variant_declaration = |
add40b62 MD |
743 | lookup_variant_declaration(g_quark_from_string(name), |
744 | declaration_scope); | |
add40b62 | 745 | } else { |
de47353a | 746 | /* For unnamed variant, create type */ |
add40b62 MD |
747 | /* For named variant (with body), create type and add to declaration scope */ |
748 | if (name) { | |
749 | if (lookup_variant_declaration(g_quark_from_string(name), | |
750 | declaration_scope)) { | |
751 | ||
78af2bcd | 752 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
753 | return NULL; |
754 | } | |
755 | } | |
a0720417 | 756 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 757 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 758 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 759 | untagged_variant_declaration, trace); |
add40b62 MD |
760 | if (ret) |
761 | goto error; | |
762 | } | |
763 | if (name) { | |
764 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 765 | untagged_variant_declaration, |
add40b62 MD |
766 | declaration_scope); |
767 | assert(!ret); | |
768 | } | |
a0720417 MD |
769 | } |
770 | /* | |
771 | * if tagged, create tagged variant and return. else return | |
772 | * untagged variant. | |
773 | */ | |
774 | if (!choice) { | |
775 | return &untagged_variant_declaration->p; | |
776 | } else { | |
777 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
778 | if (!variant_declaration) | |
779 | goto error; | |
780 | declaration_unref(&untagged_variant_declaration->p); | |
781 | return &variant_declaration->p; | |
de47353a | 782 | } |
add40b62 | 783 | error: |
2dd46001 | 784 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 785 | return NULL; |
05628561 MD |
786 | } |
787 | ||
05628561 | 788 | static |
8fdba45b | 789 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
790 | struct ctf_node *enumerator, |
791 | struct declaration_enum *enum_declaration) | |
792 | { | |
1cfda062 MD |
793 | GQuark q; |
794 | struct ctf_node *iter; | |
795 | ||
796 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 797 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
798 | int64_t start, end; |
799 | int nr_vals = 0; | |
800 | ||
a0720417 | 801 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
802 | int64_t *target; |
803 | ||
804 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
805 | if (nr_vals == 0) | |
806 | target = &start; | |
807 | else | |
808 | target = &end; | |
809 | ||
810 | switch (iter->u.unary_expression.type) { | |
811 | case UNARY_SIGNED_CONSTANT: | |
812 | *target = iter->u.unary_expression.u.signed_constant; | |
813 | break; | |
814 | case UNARY_UNSIGNED_CONSTANT: | |
815 | *target = iter->u.unary_expression.u.unsigned_constant; | |
816 | break; | |
817 | default: | |
78af2bcd | 818 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
819 | return -EINVAL; |
820 | } | |
821 | if (nr_vals > 1) { | |
78af2bcd | 822 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
823 | return -EINVAL; |
824 | } | |
825 | nr_vals++; | |
826 | } | |
827 | if (nr_vals == 1) | |
828 | end = start; | |
829 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 830 | } else { |
1cfda062 MD |
831 | uint64_t start, end; |
832 | int nr_vals = 0; | |
833 | ||
a0720417 MD |
834 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
835 | uint64_t *target; | |
1cfda062 MD |
836 | |
837 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
838 | if (nr_vals == 0) | |
839 | target = &start; | |
840 | else | |
841 | target = &end; | |
842 | ||
843 | switch (iter->u.unary_expression.type) { | |
844 | case UNARY_UNSIGNED_CONSTANT: | |
845 | *target = iter->u.unary_expression.u.unsigned_constant; | |
846 | break; | |
847 | case UNARY_SIGNED_CONSTANT: | |
848 | /* | |
849 | * We don't accept signed constants for enums with unsigned | |
850 | * container type. | |
851 | */ | |
78af2bcd | 852 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
853 | return -EINVAL; |
854 | default: | |
78af2bcd | 855 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
856 | return -EINVAL; |
857 | } | |
858 | if (nr_vals > 1) { | |
78af2bcd | 859 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
860 | return -EINVAL; |
861 | } | |
862 | nr_vals++; | |
863 | } | |
864 | if (nr_vals == 1) | |
865 | end = start; | |
866 | enum_unsigned_insert(enum_declaration, start, end, q); | |
867 | } | |
add40b62 MD |
868 | return 0; |
869 | } | |
870 | ||
871 | static | |
8fdba45b | 872 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 873 | const char *name, |
78af2bcd | 874 | struct ctf_node *container_type, |
add40b62 | 875 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
876 | int has_body, |
877 | struct declaration_scope *declaration_scope, | |
878 | struct ctf_trace *trace) | |
05628561 | 879 | { |
add40b62 MD |
880 | struct declaration *declaration; |
881 | struct declaration_enum *enum_declaration; | |
882 | struct declaration_integer *integer_declaration; | |
78af2bcd | 883 | struct ctf_node *iter; |
1cfda062 | 884 | GQuark dummy_id; |
a0720417 | 885 | int ret; |
add40b62 | 886 | |
05628561 | 887 | /* |
add40b62 MD |
888 | * For named enum (without body), lookup in |
889 | * declaration scope. Don't take reference on enum | |
890 | * declaration: ref is only taken upon definition. | |
05628561 | 891 | */ |
add40b62 MD |
892 | if (!has_body) { |
893 | assert(name); | |
894 | enum_declaration = | |
895 | lookup_enum_declaration(g_quark_from_string(name), | |
896 | declaration_scope); | |
a0720417 | 897 | return &enum_declaration->p; |
add40b62 MD |
898 | } else { |
899 | /* For unnamed enum, create type */ | |
900 | /* For named enum (with body), create type and add to declaration scope */ | |
901 | if (name) { | |
902 | if (lookup_enum_declaration(g_quark_from_string(name), | |
903 | declaration_scope)) { | |
904 | ||
78af2bcd | 905 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
906 | return NULL; |
907 | } | |
908 | } | |
78af2bcd | 909 | if (!container_type) { |
6743829a MD |
910 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
911 | declaration_scope); | |
912 | if (!declaration) { | |
913 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
914 | return NULL; | |
915 | } | |
916 | } else { | |
917 | declaration = ctf_type_declarator_visit(fd, depth, | |
918 | container_type, | |
919 | &dummy_id, NULL, | |
920 | declaration_scope, | |
921 | NULL, trace); | |
1cfda062 | 922 | } |
30ea18a1 MD |
923 | if (!declaration) { |
924 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
925 | return NULL; | |
926 | } | |
927 | if (declaration->id != CTF_TYPE_INTEGER) { | |
928 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
929 | return NULL; | |
1cfda062 | 930 | } |
30ea18a1 | 931 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 932 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
933 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
934 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
935 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
936 | if (ret) | |
937 | goto error; | |
938 | } | |
939 | if (name) { | |
940 | ret = register_enum_declaration(g_quark_from_string(name), | |
941 | enum_declaration, | |
942 | declaration_scope); | |
943 | assert(!ret); | |
944 | } | |
a0720417 | 945 | return &enum_declaration->p; |
05628561 | 946 | } |
add40b62 MD |
947 | error: |
948 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
949 | return NULL; | |
05628561 MD |
950 | } |
951 | ||
952 | static | |
8fdba45b | 953 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 954 | struct ctf_node *type_specifier_list, |
d20f5e59 | 955 | struct declaration_scope *declaration_scope) |
05628561 | 956 | { |
add40b62 MD |
957 | GString *str; |
958 | struct declaration *declaration; | |
a0720417 MD |
959 | char *str_c; |
960 | int ret; | |
961 | GQuark id_q; | |
05628561 | 962 | |
a0720417 | 963 | str = g_string_new(""); |
78af2bcd | 964 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
965 | if (ret) |
966 | return NULL; | |
967 | str_c = g_string_free(str, FALSE); | |
968 | id_q = g_quark_from_string(str_c); | |
969 | g_free(str_c); | |
970 | declaration = lookup_declaration(id_q, declaration_scope); | |
971 | return declaration; | |
972 | } | |
973 | ||
ab4cf058 MD |
974 | /* |
975 | * Returns 0/1 boolean, or < 0 on error. | |
976 | */ | |
977 | static | |
a0720417 | 978 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
979 | { |
980 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 981 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
982 | __func__); |
983 | return -EINVAL; | |
984 | } | |
985 | switch (unary_expression->u.unary_expression.type) { | |
986 | case UNARY_UNSIGNED_CONSTANT: | |
987 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
988 | return 0; | |
989 | else | |
990 | return 1; | |
991 | case UNARY_SIGNED_CONSTANT: | |
992 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
993 | return 0; | |
994 | else | |
995 | return 1; | |
996 | case UNARY_STRING: | |
997 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
998 | return 1; | |
999 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
1000 | return 1; | |
1001 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
1002 | return 0; | |
1003 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
1004 | return 0; | |
1005 | else { | |
78af2bcd | 1006 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
1007 | __func__, unary_expression->u.unary_expression.u.string); |
1008 | return -EINVAL; | |
1009 | } | |
1010 | break; | |
1011 | default: | |
78af2bcd | 1012 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
1013 | __func__); |
1014 | return -EINVAL; | |
1015 | } | |
1016 | ||
1017 | } | |
1018 | ||
0f980a35 MD |
1019 | static |
1020 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1021 | { | |
1022 | int byte_order; | |
1023 | ||
1024 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1025 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1026 | __func__); | |
1027 | return -EINVAL; | |
1028 | } | |
1029 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1030 | byte_order = BIG_ENDIAN; | |
1031 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1032 | byte_order = LITTLE_ENDIAN; | |
1033 | else { | |
1034 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1035 | __func__, unary_expression->u.unary_expression.u.string); | |
1036 | return -EINVAL; | |
1037 | } | |
1038 | return byte_order; | |
1039 | } | |
1040 | ||
ab4cf058 | 1041 | static |
a0720417 MD |
1042 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1043 | struct ctf_trace *trace) | |
ab4cf058 MD |
1044 | { |
1045 | int byte_order; | |
1046 | ||
1047 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1048 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1049 | __func__); |
1050 | return -EINVAL; | |
1051 | } | |
1052 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1053 | byte_order = trace->byte_order; | |
1054 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1055 | byte_order = BIG_ENDIAN; | |
1056 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1057 | byte_order = BIG_ENDIAN; | |
1058 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1059 | byte_order = LITTLE_ENDIAN; | |
1060 | else { | |
78af2bcd | 1061 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1062 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1063 | return -EINVAL; |
1064 | } | |
1065 | return byte_order; | |
1066 | } | |
1067 | ||
add40b62 | 1068 | static |
8fdba45b | 1069 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1070 | struct cds_list_head *expressions, |
1071 | struct ctf_trace *trace) | |
add40b62 | 1072 | { |
a0720417 | 1073 | struct ctf_node *expression; |
ab4cf058 MD |
1074 | uint64_t alignment, size; |
1075 | int byte_order = trace->byte_order; | |
1076 | int signedness = 0; | |
add40b62 | 1077 | int has_alignment = 0, has_size = 0; |
4d5fc303 | 1078 | int base = 0; |
81dee1bb | 1079 | enum ctf_string_encoding encoding = CTF_STRING_NONE; |
add40b62 MD |
1080 | struct declaration_integer *integer_declaration; |
1081 | ||
1082 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1083 | struct ctf_node *left, *right; |
add40b62 | 1084 | |
a0720417 MD |
1085 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1086 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1087 | assert(left->u.unary_expression.type == UNARY_STRING); |
1088 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1089 | signedness = get_boolean(fd, depth, right); |
1090 | if (signedness < 0) | |
1091 | return NULL; | |
add40b62 | 1092 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1093 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1094 | if (byte_order < 0) |
1095 | return NULL; | |
add40b62 | 1096 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1097 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1098 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1099 | __func__); |
1100 | return NULL; | |
1101 | } | |
1102 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1103 | has_size = 1; |
1104 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1105 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1106 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1107 | __func__); |
1108 | return NULL; | |
1109 | } | |
1110 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1111 | /* Make sure alignment is a power of two */ |
1112 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1113 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1114 | __func__); | |
1115 | return NULL; | |
1116 | } | |
add40b62 | 1117 | has_alignment = 1; |
164078da MD |
1118 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { |
1119 | switch (right->u.unary_expression.type) { | |
1120 | case UNARY_UNSIGNED_CONSTANT: | |
1121 | switch (right->u.unary_expression.u.unsigned_constant) { | |
1122 | case 2: | |
1123 | case 8: | |
1124 | case 10: | |
1125 | case 16: | |
1126 | base = right->u.unary_expression.u.unsigned_constant; | |
1127 | break; | |
1128 | default: | |
1129 | fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", | |
1130 | __func__, right->u.unary_expression.u.unsigned_constant); | |
1131 | return NULL; | |
1132 | } | |
1133 | break; | |
1134 | case UNARY_STRING: | |
1135 | { | |
1136 | char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1137 | if (!s_right) { | |
1138 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1139 | g_free(s_right); | |
1140 | return NULL; | |
1141 | } | |
1142 | if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") | |
1143 | || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { | |
1144 | base = 10; | |
1145 | } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") | |
1146 | || !strcmp(s_right, "x") || !strcmp(s_right, "X") | |
1147 | || !strcmp(s_right, "p")) { | |
1148 | base = 16; | |
1149 | } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") | |
1150 | || !strcmp(s_right, "o")) { | |
1151 | base = 8; | |
1152 | } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { | |
1153 | base = 2; | |
1154 | } else { | |
1155 | fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); | |
1156 | g_free(s_right); | |
1157 | return NULL; | |
1158 | } | |
1159 | ||
1160 | g_free(s_right); | |
1161 | break; | |
1162 | } | |
1163 | default: | |
1164 | fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", | |
1165 | __func__); | |
1166 | return NULL; | |
1167 | } | |
81dee1bb MD |
1168 | } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) { |
1169 | char *s_right; | |
1170 | ||
1171 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1172 | fprintf(fd, "[error] %s: encoding: expecting unary string\n", | |
1173 | __func__); | |
1174 | return NULL; | |
1175 | } | |
1176 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1177 | if (!s_right) { | |
1178 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1179 | g_free(s_right); | |
1180 | return NULL; | |
1181 | } | |
1182 | if (!strcmp(s_right, "UTF8") | |
1183 | || !strcmp(s_right, "utf8") | |
1184 | || !strcmp(s_right, "utf-8") | |
1185 | || !strcmp(s_right, "UTF-8")) | |
1186 | encoding = CTF_STRING_UTF8; | |
1187 | else if (!strcmp(s_right, "ASCII") | |
1188 | || !strcmp(s_right, "ascii")) | |
1189 | encoding = CTF_STRING_ASCII; | |
1190 | else { | |
1191 | fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right); | |
1192 | g_free(s_right); | |
1193 | return NULL; | |
1194 | } | |
1195 | g_free(s_right); | |
add40b62 | 1196 | } else { |
78af2bcd | 1197 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
add40b62 MD |
1198 | __func__, left->u.unary_expression.u.string); |
1199 | return NULL; | |
1200 | } | |
05628561 | 1201 | } |
add40b62 | 1202 | if (!has_size) { |
78af2bcd | 1203 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1204 | return NULL; |
1205 | } | |
ab4cf058 MD |
1206 | if (!has_alignment) { |
1207 | if (size % CHAR_BIT) { | |
1208 | /* bit-packed alignment */ | |
1209 | alignment = 1; | |
1210 | } else { | |
1211 | /* byte-packed alignment */ | |
1212 | alignment = CHAR_BIT; | |
1213 | } | |
1214 | } | |
add40b62 | 1215 | integer_declaration = integer_declaration_new(size, |
81dee1bb MD |
1216 | byte_order, signedness, alignment, |
1217 | base, encoding); | |
add40b62 | 1218 | return &integer_declaration->p; |
05628561 MD |
1219 | } |
1220 | ||
ab4cf058 | 1221 | static |
8fdba45b | 1222 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1223 | struct cds_list_head *expressions, |
1224 | struct ctf_trace *trace) | |
1225 | { | |
a0720417 | 1226 | struct ctf_node *expression; |
ab4cf058 MD |
1227 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; |
1228 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
1229 | struct declaration_float *float_declaration; | |
1230 | ||
1231 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1232 | struct ctf_node *left, *right; |
ab4cf058 | 1233 | |
a0720417 MD |
1234 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1235 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1236 | assert(left->u.unary_expression.type == UNARY_STRING); |
1237 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1238 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1239 | if (byte_order < 0) |
1240 | return NULL; | |
1241 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1242 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1243 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1244 | __func__); |
1245 | return NULL; | |
1246 | } | |
1247 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1248 | has_exp_dig = 1; | |
1249 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1250 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1251 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1252 | __func__); |
1253 | return NULL; | |
1254 | } | |
1255 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1256 | has_mant_dig = 1; | |
1257 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1258 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1259 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1260 | __func__); |
1261 | return NULL; | |
1262 | } | |
1263 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1264 | /* Make sure alignment is a power of two */ |
1265 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1266 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1267 | __func__); | |
1268 | return NULL; | |
1269 | } | |
ab4cf058 MD |
1270 | has_alignment = 1; |
1271 | } else { | |
78af2bcd | 1272 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1273 | __func__, left->u.unary_expression.u.string); |
1274 | return NULL; | |
1275 | } | |
1276 | } | |
1277 | if (!has_mant_dig) { | |
78af2bcd | 1278 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1279 | return NULL; |
1280 | } | |
1281 | if (!has_exp_dig) { | |
78af2bcd | 1282 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1283 | return NULL; |
1284 | } | |
1285 | if (!has_alignment) { | |
1286 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1287 | /* bit-packed alignment */ | |
1288 | alignment = 1; | |
1289 | } else { | |
1290 | /* byte-packed alignment */ | |
1291 | alignment = CHAR_BIT; | |
1292 | } | |
1293 | } | |
1294 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1295 | byte_order, alignment); | |
1296 | return &float_declaration->p; | |
1297 | } | |
1298 | ||
1299 | static | |
8fdba45b | 1300 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1301 | struct cds_list_head *expressions, |
1302 | struct ctf_trace *trace) | |
1303 | { | |
a0720417 | 1304 | struct ctf_node *expression; |
ab4cf058 MD |
1305 | const char *encoding_c = NULL; |
1306 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1307 | struct declaration_string *string_declaration; | |
1308 | ||
1309 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1310 | struct ctf_node *left, *right; |
ab4cf058 | 1311 | |
a0720417 MD |
1312 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1313 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1314 | assert(left->u.unary_expression.type == UNARY_STRING); |
1315 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1316 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1317 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1318 | __func__); |
1319 | return NULL; | |
1320 | } | |
1321 | encoding_c = right->u.unary_expression.u.string; | |
1322 | } else { | |
78af2bcd | 1323 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1324 | __func__, left->u.unary_expression.u.string); |
1325 | return NULL; | |
1326 | } | |
1327 | } | |
1328 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1329 | encoding = CTF_STRING_ASCII; | |
1330 | string_declaration = string_declaration_new(encoding); | |
1331 | return &string_declaration->p; | |
1332 | } | |
1333 | ||
1334 | ||
05628561 | 1335 | static |
78af2bcd MD |
1336 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1337 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1338 | struct declaration_scope *declaration_scope, |
1339 | struct ctf_trace *trace) | |
05628561 | 1340 | { |
a0720417 | 1341 | struct ctf_node *first; |
78af2bcd | 1342 | struct ctf_node *node; |
d20f5e59 | 1343 | |
427c09b7 MD |
1344 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1345 | ||
78af2bcd | 1346 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1347 | |
78af2bcd MD |
1348 | assert(first->type == NODE_TYPE_SPECIFIER); |
1349 | ||
1350 | node = first->u.type_specifier.node; | |
1351 | ||
1352 | switch (first->u.type_specifier.type) { | |
1353 | case TYPESPEC_FLOATING_POINT: | |
1354 | return ctf_declaration_floating_point_visit(fd, depth, | |
1355 | &node->u.floating_point.expressions, trace); | |
1356 | case TYPESPEC_INTEGER: | |
1357 | return ctf_declaration_integer_visit(fd, depth, | |
1358 | &node->u.integer.expressions, trace); | |
1359 | case TYPESPEC_STRING: | |
1360 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1361 | &node->u.string.expressions, trace); |
78af2bcd | 1362 | case TYPESPEC_STRUCT: |
add40b62 | 1363 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1364 | node->u._struct.name, |
1365 | &node->u._struct.declaration_list, | |
1366 | node->u._struct.has_body, | |
b7e35bad | 1367 | &node->u._struct.min_align, |
ab4cf058 MD |
1368 | declaration_scope, |
1369 | trace); | |
78af2bcd | 1370 | case TYPESPEC_VARIANT: |
add40b62 | 1371 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1372 | node->u.variant.name, |
1373 | node->u.variant.choice, | |
1374 | &node->u.variant.declaration_list, | |
1375 | node->u.variant.has_body, | |
ab4cf058 MD |
1376 | declaration_scope, |
1377 | trace); | |
78af2bcd | 1378 | case TYPESPEC_ENUM: |
add40b62 | 1379 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1380 | node->u._enum.enum_id, |
1381 | node->u._enum.container_type, | |
1382 | &node->u._enum.enumerator_list, | |
1383 | node->u._enum.has_body, | |
1cfda062 | 1384 | declaration_scope, |
ab4cf058 | 1385 | trace); |
78af2bcd MD |
1386 | |
1387 | case TYPESPEC_VOID: | |
1388 | case TYPESPEC_CHAR: | |
1389 | case TYPESPEC_SHORT: | |
1390 | case TYPESPEC_INT: | |
1391 | case TYPESPEC_LONG: | |
1392 | case TYPESPEC_FLOAT: | |
1393 | case TYPESPEC_DOUBLE: | |
1394 | case TYPESPEC_SIGNED: | |
1395 | case TYPESPEC_UNSIGNED: | |
1396 | case TYPESPEC_BOOL: | |
1397 | case TYPESPEC_COMPLEX: | |
1398 | case TYPESPEC_IMAGINARY: | |
1399 | case TYPESPEC_CONST: | |
1400 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1401 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1402 | type_specifier_list, declaration_scope); |
a0720417 | 1403 | default: |
78af2bcd | 1404 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1405 | return NULL; |
add40b62 | 1406 | } |
05628561 MD |
1407 | } |
1408 | ||
1409 | static | |
1410 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1411 | { | |
1412 | int ret = 0; | |
1413 | ||
1414 | switch (node->type) { | |
1415 | case NODE_TYPEDEF: | |
1416 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1417 | event->declaration_scope, |
78af2bcd | 1418 | node->u._typedef.type_specifier_list, |
05628561 | 1419 | &node->u._typedef.type_declarators, |
a0720417 | 1420 | trace); |
05628561 MD |
1421 | if (ret) |
1422 | return ret; | |
1423 | break; | |
1424 | case NODE_TYPEALIAS: | |
1425 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1426 | event->declaration_scope, |
1427 | node->u.typealias.target, node->u.typealias.alias, | |
1428 | trace); | |
05628561 MD |
1429 | if (ret) |
1430 | return ret; | |
1431 | break; | |
1432 | case NODE_CTF_EXPRESSION: | |
1433 | { | |
1434 | char *left; | |
1435 | ||
1436 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1437 | if (!strcmp(left, "name")) { | |
1438 | char *right; | |
1439 | ||
427c09b7 MD |
1440 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1441 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1442 | ret = -EPERM; |
1443 | goto error; | |
427c09b7 | 1444 | } |
05628561 MD |
1445 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1446 | if (!right) { | |
78af2bcd | 1447 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1448 | ret = -EINVAL; |
1449 | goto error; | |
05628561 MD |
1450 | } |
1451 | event->name = g_quark_from_string(right); | |
41253107 | 1452 | g_free(right); |
05628561 MD |
1453 | CTF_EVENT_SET_FIELD(event, name); |
1454 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1455 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1456 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1457 | ret = -EPERM; |
1458 | goto error; | |
427c09b7 | 1459 | } |
05628561 MD |
1460 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1461 | if (ret) { | |
78af2bcd | 1462 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1463 | ret = -EINVAL; |
1464 | goto error; | |
05628561 MD |
1465 | } |
1466 | CTF_EVENT_SET_FIELD(event, id); | |
1467 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1468 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1469 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1470 | ret = -EPERM; |
1471 | goto error; | |
427c09b7 | 1472 | } |
05628561 MD |
1473 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1474 | if (ret) { | |
78af2bcd | 1475 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1476 | ret = -EINVAL; |
1477 | goto error; | |
05628561 MD |
1478 | } |
1479 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1480 | if (!event->stream) { | |
78af2bcd | 1481 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1482 | ret = -EINVAL; |
1483 | goto error; | |
05628561 | 1484 | } |
05628561 MD |
1485 | CTF_EVENT_SET_FIELD(event, stream_id); |
1486 | } else if (!strcmp(left, "context")) { | |
1487 | struct declaration *declaration; | |
1488 | ||
427c09b7 MD |
1489 | if (event->context_decl) { |
1490 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1491 | ret = -EINVAL; |
1492 | goto error; | |
427c09b7 | 1493 | } |
78af2bcd MD |
1494 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1495 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1496 | struct ctf_node, siblings), | |
ab4cf058 | 1497 | event->declaration_scope, trace); |
0f980a35 MD |
1498 | if (!declaration) { |
1499 | ret = -EPERM; | |
1500 | goto error; | |
1501 | } | |
1502 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1503 | ret = -EPERM; | |
1504 | goto error; | |
1505 | } | |
9e29e16e | 1506 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1507 | } else if (!strcmp(left, "fields")) { |
1508 | struct declaration *declaration; | |
1509 | ||
427c09b7 MD |
1510 | if (event->fields_decl) { |
1511 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1512 | ret = -EINVAL; |
1513 | goto error; | |
427c09b7 | 1514 | } |
78af2bcd MD |
1515 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1516 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1517 | struct ctf_node, siblings), | |
ab4cf058 | 1518 | event->declaration_scope, trace); |
0f980a35 MD |
1519 | if (!declaration) { |
1520 | ret = -EPERM; | |
1521 | goto error; | |
1522 | } | |
1523 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1524 | ret = -EPERM; | |
1525 | goto error; | |
1526 | } | |
9e29e16e | 1527 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f MD |
1528 | } else { |
1529 | fprintf(fd, "[error] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); | |
1530 | ret = -EINVAL; | |
1531 | goto error; | |
05628561 | 1532 | } |
0f980a35 | 1533 | error: |
41253107 | 1534 | g_free(left); |
05628561 MD |
1535 | break; |
1536 | } | |
1537 | default: | |
1538 | return -EPERM; | |
1539 | /* TODO: declaration specifier should be added. */ | |
1540 | } | |
1541 | ||
0f980a35 | 1542 | return ret; |
05628561 MD |
1543 | } |
1544 | ||
1545 | static | |
1546 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1547 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1548 | { |
1549 | int ret = 0; | |
1550 | struct ctf_node *iter; | |
1551 | struct ctf_event *event; | |
9e29e16e | 1552 | struct definition_scope *parent_def_scope; |
05628561 MD |
1553 | |
1554 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1555 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1556 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1557 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1558 | if (ret) | |
1559 | goto error; | |
1560 | } | |
1561 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1562 | ret = -EPERM; | |
427c09b7 | 1563 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1564 | goto error; |
1565 | } | |
05628561 | 1566 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1567 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1568 | switch (trace->streams->len) { |
1569 | case 0: /* Create stream if there was none. */ | |
1570 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1571 | if (ret) | |
1572 | goto error; | |
1573 | /* Fall-through */ | |
1574 | case 1: | |
0f980a35 MD |
1575 | event->stream_id = 0; |
1576 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1577 | break; |
1578 | default: | |
0f980a35 MD |
1579 | ret = -EPERM; |
1580 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1581 | goto error; | |
1582 | } | |
05628561 | 1583 | } |
8c572eba MD |
1584 | /* Allow only one event without id per stream */ |
1585 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1586 | && event->stream->events_by_id->len != 0) { | |
1587 | ret = -EPERM; | |
1588 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1589 | goto error; | |
1590 | } | |
05628561 MD |
1591 | if (event->stream->events_by_id->len <= event->id) |
1592 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1593 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1594 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1595 | (gpointer)(unsigned long) event->name, | |
1596 | &event->id); | |
a0720417 | 1597 | parent_def_scope = event->stream->definition_scope; |
9e29e16e | 1598 | if (event->context_decl) { |
98df1c9f | 1599 | struct definition *definition = |
a0720417 | 1600 | event->context_decl->p.definition_new(&event->context_decl->p, |
98df1c9f MD |
1601 | parent_def_scope, 0, 0, "event.context"); |
1602 | if (!definition) { | |
1603 | ret = -EINVAL; | |
1604 | goto error; | |
1605 | } | |
1606 | event->context = container_of(definition, | |
1607 | struct definition_struct, p); | |
9e29e16e | 1608 | parent_def_scope = event->context->scope; |
9e29e16e MD |
1609 | } |
1610 | if (event->fields_decl) { | |
98df1c9f | 1611 | struct definition *definition = |
a0720417 | 1612 | event->fields_decl->p.definition_new(&event->fields_decl->p, |
98df1c9f MD |
1613 | parent_def_scope, 0, 0, "event.fields"); |
1614 | if (!definition) { | |
1615 | ret = -EINVAL; | |
1616 | goto error; | |
1617 | } | |
1618 | event->fields = container_of(definition, | |
1619 | struct definition_struct, p); | |
9e29e16e | 1620 | parent_def_scope = event->fields->scope; |
9e29e16e | 1621 | } |
05628561 MD |
1622 | return 0; |
1623 | ||
1624 | error: | |
98df1c9f MD |
1625 | if (event->context) |
1626 | definition_unref(&event->context->p); | |
1627 | if (event->fields) | |
1628 | definition_unref(&event->fields->p); | |
1629 | if (event->fields_decl) | |
1630 | declaration_unref(&event->fields_decl->p); | |
1631 | if (event->context_decl) | |
1632 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1633 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1634 | g_free(event); |
1635 | return ret; | |
1636 | } | |
1637 | ||
1638 | ||
1639 | static | |
aa6bffae | 1640 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) |
05628561 MD |
1641 | { |
1642 | int ret = 0; | |
1643 | ||
1644 | switch (node->type) { | |
1645 | case NODE_TYPEDEF: | |
1646 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1647 | stream->declaration_scope, |
78af2bcd | 1648 | node->u._typedef.type_specifier_list, |
05628561 | 1649 | &node->u._typedef.type_declarators, |
a0720417 | 1650 | trace); |
05628561 MD |
1651 | if (ret) |
1652 | return ret; | |
1653 | break; | |
1654 | case NODE_TYPEALIAS: | |
1655 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1656 | stream->declaration_scope, |
1657 | node->u.typealias.target, node->u.typealias.alias, | |
1658 | trace); | |
05628561 MD |
1659 | if (ret) |
1660 | return ret; | |
1661 | break; | |
1662 | case NODE_CTF_EXPRESSION: | |
1663 | { | |
1664 | char *left; | |
1665 | ||
1666 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1667 | if (!strcmp(left, "id")) { |
1668 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1669 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1670 | ret = -EPERM; |
1671 | goto error; | |
427c09b7 | 1672 | } |
a0720417 | 1673 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1674 | if (ret) { |
427c09b7 | 1675 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1676 | ret = -EINVAL; |
1677 | goto error; | |
05628561 | 1678 | } |
a0720417 | 1679 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1680 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1681 | struct declaration *declaration; |
1682 | ||
427c09b7 MD |
1683 | if (stream->event_header_decl) { |
1684 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1685 | ret = -EINVAL; |
1686 | goto error; | |
427c09b7 | 1687 | } |
78af2bcd MD |
1688 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1689 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1690 | struct ctf_node, siblings), | |
a0720417 | 1691 | stream->declaration_scope, trace); |
0f980a35 MD |
1692 | if (!declaration) { |
1693 | ret = -EPERM; | |
1694 | goto error; | |
1695 | } | |
1696 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1697 | ret = -EPERM; | |
1698 | goto error; | |
1699 | } | |
9e29e16e MD |
1700 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1701 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1702 | struct declaration *declaration; |
1703 | ||
427c09b7 MD |
1704 | if (stream->event_context_decl) { |
1705 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1706 | ret = -EINVAL; |
1707 | goto error; | |
427c09b7 | 1708 | } |
78af2bcd MD |
1709 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1710 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1711 | struct ctf_node, siblings), | |
ab4cf058 | 1712 | stream->declaration_scope, trace); |
0f980a35 MD |
1713 | if (!declaration) { |
1714 | ret = -EPERM; | |
1715 | goto error; | |
1716 | } | |
1717 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1718 | ret = -EPERM; | |
1719 | goto error; | |
1720 | } | |
9e29e16e MD |
1721 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1722 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1723 | struct declaration *declaration; |
1724 | ||
427c09b7 MD |
1725 | if (stream->packet_context_decl) { |
1726 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1727 | ret = -EINVAL; |
1728 | goto error; | |
427c09b7 | 1729 | } |
78af2bcd MD |
1730 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1731 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1732 | struct ctf_node, siblings), | |
ab4cf058 | 1733 | stream->declaration_scope, trace); |
0f980a35 MD |
1734 | if (!declaration) { |
1735 | ret = -EPERM; | |
1736 | goto error; | |
1737 | } | |
1738 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1739 | ret = -EPERM; | |
1740 | goto error; | |
1741 | } | |
9e29e16e | 1742 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f MD |
1743 | } else { |
1744 | fprintf(fd, "[error] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left); | |
1745 | ret = -EINVAL; | |
1746 | goto error; | |
05628561 | 1747 | } |
98df1c9f | 1748 | |
0f980a35 | 1749 | error: |
41253107 | 1750 | g_free(left); |
05628561 MD |
1751 | break; |
1752 | } | |
1753 | default: | |
1754 | return -EPERM; | |
1755 | /* TODO: declaration specifier should be added. */ | |
1756 | } | |
1757 | ||
0f980a35 | 1758 | return ret; |
05628561 MD |
1759 | } |
1760 | ||
1761 | static | |
1762 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1763 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1764 | { |
1765 | int ret = 0; | |
1766 | struct ctf_node *iter; | |
aa6bffae | 1767 | struct ctf_stream_class *stream; |
9e29e16e | 1768 | struct definition_scope *parent_def_scope; |
05628561 | 1769 | |
aa6bffae | 1770 | stream = g_new0(struct ctf_stream_class, 1); |
d20f5e59 | 1771 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1772 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1773 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
0f980a35 | 1774 | stream->files = g_ptr_array_new(); |
33105c61 MD |
1775 | if (node) { |
1776 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1777 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1778 | if (ret) | |
1779 | goto error; | |
1780 | } | |
05628561 | 1781 | } |
0f980a35 MD |
1782 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1783 | /* check that packet header has stream_id field. */ | |
1784 | if (!trace->packet_header_decl | |
1785 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1786 | ret = -EPERM; | |
1787 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1788 | goto error; | |
1789 | } | |
8c572eba MD |
1790 | } else { |
1791 | /* Allow only one id-less stream */ | |
1792 | if (trace->streams->len != 0) { | |
1793 | ret = -EPERM; | |
1794 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1795 | goto error; | |
1796 | } | |
1797 | stream->stream_id = 0; | |
05628561 MD |
1798 | } |
1799 | if (trace->streams->len <= stream->stream_id) | |
1800 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1801 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1802 | |
0f980a35 | 1803 | parent_def_scope = trace->definition_scope; |
9e29e16e | 1804 | if (stream->packet_context_decl) { |
98df1c9f | 1805 | struct definition *definition = |
a0720417 | 1806 | stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p, |
98df1c9f MD |
1807 | parent_def_scope, 0, 0, "stream.packet.context"); |
1808 | if (!definition) { | |
1809 | ret = -EINVAL; | |
1810 | goto error; | |
1811 | } | |
1812 | stream->packet_context = container_of(definition, | |
1813 | struct definition_struct, p); | |
9e29e16e | 1814 | parent_def_scope = stream->packet_context->scope; |
9e29e16e MD |
1815 | } |
1816 | if (stream->event_header_decl) { | |
98df1c9f | 1817 | struct definition *definition = |
a0720417 | 1818 | stream->event_header_decl->p.definition_new(&stream->event_header_decl->p, |
98df1c9f MD |
1819 | parent_def_scope, 0, 0, "stream.event.header"); |
1820 | if (!definition) { | |
1821 | ret = -EINVAL; | |
1822 | goto error; | |
1823 | } | |
1824 | stream->event_header = | |
1825 | container_of(definition, struct definition_struct, p); | |
9e29e16e | 1826 | parent_def_scope = stream->event_header->scope; |
9e29e16e MD |
1827 | } |
1828 | if (stream->event_context_decl) { | |
98df1c9f | 1829 | struct definition *definition = |
a0720417 | 1830 | stream->event_context_decl->p.definition_new(&stream->event_context_decl->p, |
98df1c9f MD |
1831 | parent_def_scope, 0, 0, "stream.event.context"); |
1832 | if (!definition) { | |
1833 | ret = -EINVAL; | |
1834 | goto error; | |
1835 | } | |
1836 | stream->event_context = | |
1837 | container_of(definition, struct definition_struct, p); | |
9e29e16e | 1838 | parent_def_scope = stream->event_context->scope; |
9e29e16e | 1839 | } |
41253107 | 1840 | stream->definition_scope = parent_def_scope; |
9e29e16e | 1841 | |
05628561 MD |
1842 | return 0; |
1843 | ||
1844 | error: | |
98df1c9f MD |
1845 | if (stream->event_context) |
1846 | definition_unref(&stream->event_context->p); | |
1847 | if (stream->event_header) | |
1848 | definition_unref(&stream->event_header->p); | |
1849 | if (stream->packet_context) | |
1850 | definition_unref(&stream->packet_context->p); | |
1851 | if (stream->event_header_decl) | |
1852 | declaration_unref(&stream->event_header_decl->p); | |
1853 | if (stream->event_context_decl) | |
1854 | declaration_unref(&stream->event_context_decl->p); | |
1855 | if (stream->packet_context_decl) | |
1856 | declaration_unref(&stream->packet_context_decl->p); | |
0f980a35 | 1857 | g_ptr_array_free(stream->files, TRUE); |
05628561 | 1858 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1859 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1860 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1861 | g_free(stream); |
1862 | return ret; | |
1863 | } | |
1864 | ||
1865 | static | |
1866 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1867 | { | |
1868 | int ret = 0; | |
1869 | ||
1870 | switch (node->type) { | |
1871 | case NODE_TYPEDEF: | |
1872 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1873 | trace->declaration_scope, |
78af2bcd | 1874 | node->u._typedef.type_specifier_list, |
05628561 | 1875 | &node->u._typedef.type_declarators, |
a0720417 | 1876 | trace); |
05628561 MD |
1877 | if (ret) |
1878 | return ret; | |
1879 | break; | |
1880 | case NODE_TYPEALIAS: | |
1881 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1882 | trace->declaration_scope, |
1883 | node->u.typealias.target, node->u.typealias.alias, | |
1884 | trace); | |
05628561 MD |
1885 | if (ret) |
1886 | return ret; | |
1887 | break; | |
1888 | case NODE_CTF_EXPRESSION: | |
1889 | { | |
1890 | char *left; | |
1891 | ||
1892 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1893 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1894 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1895 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1896 | ret = -EPERM; |
1897 | goto error; | |
427c09b7 | 1898 | } |
05628561 MD |
1899 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1900 | if (ret) { | |
78af2bcd | 1901 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1902 | ret = -EINVAL; |
1903 | goto error; | |
05628561 | 1904 | } |
a0720417 | 1905 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1906 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1907 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1908 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1909 | ret = -EPERM; |
1910 | goto error; | |
427c09b7 | 1911 | } |
05628561 MD |
1912 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1913 | if (ret) { | |
78af2bcd | 1914 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1915 | ret = -EINVAL; |
1916 | goto error; | |
05628561 | 1917 | } |
a0720417 | 1918 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1919 | } else if (!strcmp(left, "uuid")) { |
b4c19c1e | 1920 | uuid_t uuid; |
a0fe7d97 MD |
1921 | |
1922 | ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid); | |
05628561 | 1923 | if (ret) { |
78af2bcd | 1924 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1925 | ret = -EINVAL; |
1926 | goto error; | |
05628561 | 1927 | } |
b4c19c1e MD |
1928 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid) |
1929 | && uuid_compare(uuid, trace->uuid)) { | |
1930 | fprintf(fd, "[error] %s: uuid mismatch\n", __func__); | |
1931 | ret = -EPERM; | |
1932 | goto error; | |
a0fe7d97 MD |
1933 | } else { |
1934 | memcpy(trace->uuid, uuid, sizeof(uuid)); | |
b4c19c1e | 1935 | } |
a0720417 | 1936 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
1937 | } else if (!strcmp(left, "byte_order")) { |
1938 | struct ctf_node *right; | |
1939 | int byte_order; | |
1940 | ||
0f980a35 MD |
1941 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); |
1942 | byte_order = get_trace_byte_order(fd, depth, right); | |
1943 | if (byte_order < 0) | |
1944 | return -EINVAL; | |
a0fe7d97 MD |
1945 | |
1946 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order) | |
1947 | && byte_order != trace->byte_order) { | |
1948 | fprintf(fd, "[error] %s: endianness mismatch\n", __func__); | |
1949 | ret = -EPERM; | |
1950 | goto error; | |
1951 | } else { | |
1952 | trace->byte_order = byte_order; | |
1953 | } | |
0f980a35 MD |
1954 | CTF_TRACE_SET_FIELD(trace, byte_order); |
1955 | } else if (!strcmp(left, "packet.header")) { | |
1956 | struct declaration *declaration; | |
1957 | ||
1958 | if (trace->packet_header_decl) { | |
1959 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
1960 | ret = -EINVAL; | |
1961 | goto error; | |
1962 | } | |
1963 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
1964 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1965 | struct ctf_node, siblings), | |
1966 | trace->declaration_scope, trace); | |
1967 | if (!declaration) { | |
1968 | ret = -EPERM; | |
1969 | goto error; | |
1970 | } | |
1971 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1972 | ret = -EPERM; | |
1973 | goto error; | |
1974 | } | |
1975 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
98df1c9f MD |
1976 | } else { |
1977 | fprintf(fd, "[error] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left); | |
1978 | ret = -EINVAL; | |
1979 | goto error; | |
05628561 | 1980 | } |
98df1c9f | 1981 | |
0f980a35 | 1982 | error: |
41253107 | 1983 | g_free(left); |
05628561 MD |
1984 | break; |
1985 | } | |
1986 | default: | |
1987 | return -EPERM; | |
1988 | /* TODO: declaration specifier should be added. */ | |
1989 | } | |
1990 | ||
0f980a35 | 1991 | return ret; |
05628561 MD |
1992 | } |
1993 | ||
05628561 MD |
1994 | static |
1995 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1996 | { | |
0f980a35 | 1997 | struct definition_scope *parent_def_scope; |
05628561 MD |
1998 | int ret = 0; |
1999 | struct ctf_node *iter; | |
2000 | ||
d20f5e59 | 2001 | if (trace->declaration_scope) |
05628561 | 2002 | return -EEXIST; |
d20f5e59 | 2003 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
2004 | trace->streams = g_ptr_array_new(); |
2005 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
2006 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
2007 | if (ret) | |
2008 | goto error; | |
2009 | } | |
a0720417 | 2010 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 2011 | ret = -EPERM; |
427c09b7 | 2012 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
2013 | goto error; |
2014 | } | |
a0720417 | 2015 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 2016 | ret = -EPERM; |
427c09b7 | 2017 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
2018 | goto error; |
2019 | } | |
a0720417 | 2020 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 2021 | ret = -EPERM; |
427c09b7 | 2022 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
2023 | goto error; |
2024 | } | |
dc48ecad MD |
2025 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2026 | ret = -EPERM; | |
2027 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
2028 | goto error; | |
2029 | } | |
0f980a35 MD |
2030 | |
2031 | parent_def_scope = NULL; | |
2032 | if (trace->packet_header_decl) { | |
98df1c9f | 2033 | struct definition *definition = |
0f980a35 | 2034 | trace->packet_header_decl->p.definition_new(&trace->packet_header_decl->p, |
98df1c9f MD |
2035 | parent_def_scope, 0, 0, "trace.packet.header"); |
2036 | if (!definition) { | |
2037 | ret = -EINVAL; | |
2038 | goto error; | |
2039 | } | |
2040 | trace->packet_header = | |
2041 | container_of(definition, struct definition_struct, p); | |
0f980a35 | 2042 | parent_def_scope = trace->packet_header->scope; |
0f980a35 MD |
2043 | } |
2044 | trace->definition_scope = parent_def_scope; | |
2045 | ||
2046 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { | |
2047 | /* check that the packet header contains a "magic" field */ | |
2048 | if (!trace->packet_header | |
2049 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { | |
2050 | ret = -EPERM; | |
2051 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
98df1c9f | 2052 | goto error; |
0f980a35 MD |
2053 | } |
2054 | } | |
05628561 MD |
2055 | return 0; |
2056 | ||
2057 | error: | |
98df1c9f MD |
2058 | if (trace->packet_header) |
2059 | definition_unref(&trace->packet_header->p); | |
2060 | if (trace->packet_header_decl) | |
2061 | declaration_unref(&trace->packet_header_decl->p); | |
05628561 | 2062 | g_ptr_array_free(trace->streams, TRUE); |
a0720417 | 2063 | free_declaration_scope(trace->declaration_scope); |
05628561 MD |
2064 | return ret; |
2065 | } | |
2066 | ||
78af2bcd MD |
2067 | static |
2068 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2069 | { | |
2070 | int ret = 0; | |
2071 | ||
2072 | switch (node->type) { | |
2073 | case NODE_TYPEDEF: | |
2074 | ret = ctf_typedef_visit(fd, depth + 1, | |
2075 | trace->root_declaration_scope, | |
2076 | node->u._typedef.type_specifier_list, | |
2077 | &node->u._typedef.type_declarators, | |
2078 | trace); | |
2079 | if (ret) | |
2080 | return ret; | |
2081 | break; | |
2082 | case NODE_TYPEALIAS: | |
2083 | ret = ctf_typealias_visit(fd, depth + 1, | |
2084 | trace->root_declaration_scope, | |
2085 | node->u.typealias.target, node->u.typealias.alias, | |
2086 | trace); | |
2087 | if (ret) | |
2088 | return ret; | |
2089 | break; | |
2090 | case NODE_TYPE_SPECIFIER_LIST: | |
2091 | { | |
2092 | struct declaration *declaration; | |
2093 | ||
2094 | /* | |
2095 | * Just add the type specifier to the root scope | |
2096 | * declaration scope. Release local reference. | |
2097 | */ | |
2098 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
2099 | node, trace->root_declaration_scope, trace); | |
2100 | if (!declaration) | |
2101 | return -ENOMEM; | |
2102 | declaration_unref(declaration); | |
2103 | break; | |
2104 | } | |
2105 | default: | |
2106 | return -EPERM; | |
2107 | } | |
2108 | ||
2109 | return 0; | |
2110 | } | |
2111 | ||
ab4cf058 MD |
2112 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
2113 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
2114 | { |
2115 | int ret = 0; | |
2116 | struct ctf_node *iter; | |
2117 | ||
c8b219a3 | 2118 | printf_verbose("CTF visitor: metadata construction... "); |
78af2bcd | 2119 | trace->root_declaration_scope = new_declaration_scope(NULL); |
ab4cf058 MD |
2120 | trace->byte_order = byte_order; |
2121 | ||
05628561 MD |
2122 | switch (node->type) { |
2123 | case NODE_ROOT: | |
3e11b713 | 2124 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 2125 | siblings) { |
78af2bcd | 2126 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
2127 | if (ret) { |
2128 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
a0fe7d97 | 2129 | goto error; |
427c09b7 | 2130 | } |
05628561 MD |
2131 | } |
2132 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
2133 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
427c09b7 MD |
2134 | if (ret) { |
2135 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
a0fe7d97 | 2136 | goto error; |
427c09b7 | 2137 | } |
05628561 | 2138 | } |
5039b4cc MD |
2139 | if (!trace->streams) { |
2140 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
a0fe7d97 MD |
2141 | ret = -EINVAL; |
2142 | goto error; | |
5039b4cc | 2143 | } |
05628561 MD |
2144 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
2145 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 2146 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2147 | if (ret) { |
2148 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
a0fe7d97 | 2149 | goto error; |
427c09b7 | 2150 | } |
05628561 MD |
2151 | } |
2152 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2153 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2154 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2155 | if (ret) { |
2156 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
a0fe7d97 | 2157 | goto error; |
427c09b7 | 2158 | } |
05628561 MD |
2159 | } |
2160 | break; | |
05628561 MD |
2161 | case NODE_UNKNOWN: |
2162 | default: | |
78af2bcd | 2163 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 | 2164 | (int) node->type); |
a0fe7d97 MD |
2165 | ret = -EINVAL; |
2166 | goto error; | |
05628561 | 2167 | } |
c8b219a3 | 2168 | printf_verbose("done.\n"); |
05628561 | 2169 | return ret; |
a0fe7d97 MD |
2170 | |
2171 | error: | |
2172 | free_declaration_scope(trace->root_declaration_scope); | |
2173 | return ret; | |
05628561 | 2174 | } |