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 | ||
b5bf4179 MD |
353 | if (!nested_declaration) { |
354 | fprintf(fd, "[error] %s: nested type is unknown.\n", __func__); | |
355 | return NULL; | |
356 | } | |
357 | ||
a3cca9e9 | 358 | /* create array/sequence, pass nested_declaration as child. */ |
98df1c9f MD |
359 | if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) { |
360 | fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__); | |
a0720417 MD |
361 | return NULL; |
362 | } | |
98df1c9f MD |
363 | first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, |
364 | struct ctf_node, siblings); | |
365 | assert(first->type == NODE_UNARY_EXPRESSION); | |
366 | ||
367 | switch (first->u.unary_expression.type) { | |
368 | case UNARY_UNSIGNED_CONSTANT: | |
a0720417 MD |
369 | { |
370 | struct declaration_array *array_declaration; | |
371 | size_t len; | |
372 | ||
98df1c9f | 373 | len = first->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
374 | array_declaration = array_declaration_new(len, nested_declaration, |
375 | declaration_scope); | |
98df1c9f MD |
376 | |
377 | if (!array_declaration) { | |
378 | fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); | |
379 | return NULL; | |
380 | } | |
a0720417 MD |
381 | declaration = &array_declaration->p; |
382 | break; | |
383 | } | |
98df1c9f | 384 | case UNARY_STRING: |
a0720417 | 385 | { |
98df1c9f MD |
386 | /* Lookup unsigned integer definition, create sequence */ |
387 | char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length); | |
a0720417 | 388 | struct declaration_sequence *sequence_declaration; |
a0720417 | 389 | |
98df1c9f MD |
390 | sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope); |
391 | if (!sequence_declaration) { | |
392 | fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__); | |
2dd46001 MD |
393 | return NULL; |
394 | } | |
a0720417 MD |
395 | declaration = &sequence_declaration->p; |
396 | break; | |
397 | } | |
398 | default: | |
399 | assert(0); | |
a3cca9e9 MD |
400 | } |
401 | ||
402 | /* Pass it as content of outer container */ | |
403 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 404 | type_specifier_list, field_name, |
a3cca9e9 | 405 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 406 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
407 | return declaration; |
408 | } | |
409 | } | |
410 | ||
411 | static | |
8fdba45b | 412 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 413 | struct declaration_struct *struct_declaration, |
78af2bcd | 414 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 415 | struct cds_list_head *type_declarators, |
e397791f MD |
416 | struct declaration_scope *declaration_scope, |
417 | struct ctf_trace *trace) | |
a3cca9e9 MD |
418 | { |
419 | struct ctf_node *iter; | |
420 | GQuark field_name; | |
421 | ||
422 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
423 | struct declaration *field_declaration; | |
424 | ||
425 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 426 | type_specifier_list, |
a3cca9e9 MD |
427 | &field_name, iter, |
428 | struct_declaration->scope, | |
e397791f | 429 | NULL, trace); |
2dd46001 MD |
430 | if (!field_declaration) { |
431 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
432 | return -EINVAL; | |
433 | } | |
d3006d91 SM |
434 | |
435 | /* Check if field with same name already exists */ | |
436 | if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) { | |
437 | fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name)); | |
438 | return -EINVAL; | |
439 | } | |
440 | ||
a3cca9e9 MD |
441 | struct_declaration_add_field(struct_declaration, |
442 | g_quark_to_string(field_name), | |
443 | field_declaration); | |
444 | } | |
add40b62 MD |
445 | return 0; |
446 | } | |
a3cca9e9 | 447 | |
add40b62 | 448 | static |
8fdba45b | 449 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 450 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 451 | struct ctf_node *type_specifier_list, |
add40b62 | 452 | struct cds_list_head *type_declarators, |
e397791f MD |
453 | struct declaration_scope *declaration_scope, |
454 | struct ctf_trace *trace) | |
add40b62 MD |
455 | { |
456 | struct ctf_node *iter; | |
457 | GQuark field_name; | |
458 | ||
459 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
460 | struct declaration *field_declaration; | |
461 | ||
462 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 463 | type_specifier_list, |
add40b62 | 464 | &field_name, iter, |
a0720417 | 465 | untagged_variant_declaration->scope, |
e397791f | 466 | NULL, trace); |
2dd46001 MD |
467 | if (!field_declaration) { |
468 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
469 | return -EINVAL; | |
470 | } | |
43f9090c SM |
471 | |
472 | if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) { | |
473 | fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name)); | |
474 | return -EINVAL; | |
475 | } | |
476 | ||
477 | ||
a0720417 | 478 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
479 | g_quark_to_string(field_name), |
480 | field_declaration); | |
481 | } | |
a3cca9e9 MD |
482 | return 0; |
483 | } | |
484 | ||
485 | static | |
8fdba45b | 486 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 487 | struct ctf_node *type_specifier_list, |
e397791f MD |
488 | struct cds_list_head *type_declarators, |
489 | struct ctf_trace *trace) | |
a3cca9e9 MD |
490 | { |
491 | struct ctf_node *iter; | |
492 | GQuark identifier; | |
493 | ||
494 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
495 | struct declaration *type_declaration; | |
496 | int ret; | |
497 | ||
498 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 499 | type_specifier_list, |
a3cca9e9 | 500 | &identifier, iter, |
e397791f | 501 | scope, NULL, trace); |
2dd46001 MD |
502 | if (!type_declaration) { |
503 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
504 | return -EINVAL; | |
505 | } | |
506 | /* | |
507 | * Don't allow typedef and typealias of untagged | |
508 | * variants. | |
509 | */ | |
510 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
511 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
512 | declaration_unref(type_declaration); | |
513 | return -EPERM; | |
514 | } | |
a3cca9e9 MD |
515 | ret = register_declaration(identifier, type_declaration, scope); |
516 | if (ret) { | |
517 | type_declaration->declaration_free(type_declaration); | |
518 | return ret; | |
519 | } | |
520 | } | |
521 | return 0; | |
522 | } | |
523 | ||
524 | static | |
8fdba45b | 525 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
526 | struct ctf_node *target, struct ctf_node *alias, |
527 | struct ctf_trace *trace) | |
a3cca9e9 MD |
528 | { |
529 | struct declaration *type_declaration; | |
a0720417 | 530 | struct ctf_node *node; |
add40b62 | 531 | GQuark dummy_id; |
a3cca9e9 | 532 | GQuark alias_q; |
a0720417 | 533 | int err; |
a3cca9e9 MD |
534 | |
535 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
536 | ||
537 | /* | |
538 | * Create target type declaration. | |
539 | */ | |
540 | ||
427c09b7 | 541 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
542 | node = NULL; |
543 | else | |
427c09b7 | 544 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 545 | struct ctf_node, siblings); |
a3cca9e9 | 546 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 547 | target->u.typealias_target.type_specifier_list, |
a0720417 | 548 | &dummy_id, node, |
e397791f | 549 | scope, NULL, trace); |
a3cca9e9 | 550 | if (!type_declaration) { |
78af2bcd | 551 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
552 | err = -EINVAL; |
553 | goto error; | |
554 | } | |
2dd46001 MD |
555 | /* |
556 | * Don't allow typedef and typealias of untagged | |
557 | * variants. | |
558 | */ | |
559 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
560 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
561 | declaration_unref(type_declaration); | |
562 | return -EPERM; | |
563 | } | |
a3cca9e9 MD |
564 | /* |
565 | * The semantic validator does not check whether the target is | |
566 | * abstract or not (if it has an identifier). Check it here. | |
567 | */ | |
568 | if (dummy_id != 0) { | |
78af2bcd | 569 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
570 | err = -EINVAL; |
571 | goto error; | |
572 | } | |
573 | /* | |
574 | * Create alias identifier. | |
575 | */ | |
a3cca9e9 MD |
576 | |
577 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 578 | struct ctf_node, siblings); |
add40b62 | 579 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 580 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
581 | err = register_declaration(alias_q, type_declaration, scope); |
582 | if (err) | |
a3cca9e9 MD |
583 | goto error; |
584 | return 0; | |
585 | ||
586 | error: | |
230da743 SM |
587 | if (type_declaration) { |
588 | type_declaration->declaration_free(type_declaration); | |
589 | } | |
a0720417 | 590 | return err; |
a3cca9e9 MD |
591 | } |
592 | ||
593 | static | |
8fdba45b | 594 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
595 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
596 | struct ctf_trace *trace) | |
a3cca9e9 | 597 | { |
a3cca9e9 MD |
598 | int ret; |
599 | ||
600 | switch (iter->type) { | |
601 | case NODE_TYPEDEF: | |
602 | /* For each declarator, declare type and add type to struct declaration scope */ | |
603 | ret = ctf_typedef_visit(fd, depth, | |
604 | struct_declaration->scope, | |
78af2bcd | 605 | iter->u._typedef.type_specifier_list, |
e397791f | 606 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
607 | if (ret) |
608 | return ret; | |
609 | break; | |
610 | case NODE_TYPEALIAS: | |
611 | /* Declare type with declarator and add type to struct declaration scope */ | |
612 | ret = ctf_typealias_visit(fd, depth, | |
613 | struct_declaration->scope, | |
614 | iter->u.typealias.target, | |
e397791f | 615 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
616 | if (ret) |
617 | return ret; | |
618 | break; | |
619 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
620 | /* Add field to structure declaration */ | |
621 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
622 | struct_declaration, | |
78af2bcd | 623 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
624 | &iter->u.struct_or_variant_declaration.type_declarators, |
625 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
626 | if (ret) |
627 | return ret; | |
628 | break; | |
629 | default: | |
78af2bcd | 630 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
631 | assert(0); |
632 | } | |
633 | return 0; | |
634 | } | |
635 | ||
add40b62 | 636 | static |
8fdba45b | 637 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
638 | struct ctf_node *iter, |
639 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 640 | struct ctf_trace *trace) |
add40b62 | 641 | { |
add40b62 MD |
642 | int ret; |
643 | ||
644 | switch (iter->type) { | |
645 | case NODE_TYPEDEF: | |
646 | /* For each declarator, declare type and add type to variant declaration scope */ | |
647 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 648 | untagged_variant_declaration->scope, |
78af2bcd | 649 | iter->u._typedef.type_specifier_list, |
e397791f | 650 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
651 | if (ret) |
652 | return ret; | |
653 | break; | |
654 | case NODE_TYPEALIAS: | |
655 | /* Declare type with declarator and add type to variant declaration scope */ | |
656 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 657 | untagged_variant_declaration->scope, |
add40b62 | 658 | iter->u.typealias.target, |
e397791f | 659 | iter->u.typealias.alias, trace); |
add40b62 MD |
660 | if (ret) |
661 | return ret; | |
662 | break; | |
663 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
664 | /* Add field to structure declaration */ | |
665 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 666 | untagged_variant_declaration, |
78af2bcd | 667 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
668 | &iter->u.struct_or_variant_declaration.type_declarators, |
669 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
670 | if (ret) |
671 | return ret; | |
672 | break; | |
673 | default: | |
78af2bcd | 674 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
675 | assert(0); |
676 | } | |
677 | return 0; | |
678 | } | |
679 | ||
a3cca9e9 | 680 | static |
a0720417 | 681 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 682 | int depth, const char *name, struct cds_list_head *declaration_list, |
b7e35bad MD |
683 | int has_body, struct cds_list_head *min_align, |
684 | struct declaration_scope *declaration_scope, | |
e397791f | 685 | struct ctf_trace *trace) |
a3cca9e9 | 686 | { |
a3cca9e9 MD |
687 | struct declaration_struct *struct_declaration; |
688 | struct ctf_node *iter; | |
a0720417 | 689 | int ret; |
a3cca9e9 MD |
690 | |
691 | /* | |
692 | * For named struct (without body), lookup in | |
693 | * declaration scope. Don't take reference on struct | |
694 | * declaration: ref is only taken upon definition. | |
695 | */ | |
696 | if (!has_body) { | |
697 | assert(name); | |
698 | struct_declaration = | |
699 | lookup_struct_declaration(g_quark_from_string(name), | |
700 | declaration_scope); | |
a0720417 | 701 | return &struct_declaration->p; |
a3cca9e9 | 702 | } else { |
b7e35bad MD |
703 | uint64_t min_align_value = 0; |
704 | ||
a3cca9e9 MD |
705 | /* For unnamed struct, create type */ |
706 | /* For named struct (with body), create type and add to declaration scope */ | |
707 | if (name) { | |
708 | if (lookup_struct_declaration(g_quark_from_string(name), | |
709 | declaration_scope)) { | |
710 | ||
78af2bcd | 711 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
712 | return NULL; |
713 | } | |
714 | } | |
b7e35bad MD |
715 | if (!cds_list_empty(min_align)) { |
716 | ret = get_unary_unsigned(min_align, &min_align_value); | |
717 | if (ret) { | |
718 | fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); | |
719 | ret = -EINVAL; | |
720 | goto error; | |
721 | } | |
722 | } | |
723 | struct_declaration = struct_declaration_new(declaration_scope, | |
724 | min_align_value); | |
a3cca9e9 | 725 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
726 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
727 | struct_declaration, trace); | |
a3cca9e9 MD |
728 | if (ret) |
729 | goto error; | |
730 | } | |
731 | if (name) { | |
732 | ret = register_struct_declaration(g_quark_from_string(name), | |
733 | struct_declaration, | |
734 | declaration_scope); | |
735 | assert(!ret); | |
736 | } | |
a0720417 | 737 | return &struct_declaration->p; |
a3cca9e9 MD |
738 | } |
739 | error: | |
740 | struct_declaration->p.declaration_free(&struct_declaration->p); | |
741 | return NULL; | |
742 | } | |
743 | ||
05628561 | 744 | static |
a0720417 MD |
745 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
746 | int depth, const char *name, const char *choice, | |
747 | struct cds_list_head *declaration_list, | |
e397791f MD |
748 | int has_body, struct declaration_scope *declaration_scope, |
749 | struct ctf_trace *trace) | |
05628561 | 750 | { |
a0720417 | 751 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
752 | struct declaration_variant *variant_declaration; |
753 | struct ctf_node *iter; | |
a0720417 | 754 | int ret; |
de47353a | 755 | |
add40b62 MD |
756 | /* |
757 | * For named variant (without body), lookup in | |
758 | * declaration scope. Don't take reference on variant | |
759 | * declaration: ref is only taken upon definition. | |
760 | */ | |
761 | if (!has_body) { | |
762 | assert(name); | |
a0720417 | 763 | untagged_variant_declaration = |
add40b62 MD |
764 | lookup_variant_declaration(g_quark_from_string(name), |
765 | declaration_scope); | |
add40b62 | 766 | } else { |
de47353a | 767 | /* For unnamed variant, create type */ |
add40b62 MD |
768 | /* For named variant (with body), create type and add to declaration scope */ |
769 | if (name) { | |
770 | if (lookup_variant_declaration(g_quark_from_string(name), | |
771 | declaration_scope)) { | |
772 | ||
78af2bcd | 773 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
774 | return NULL; |
775 | } | |
776 | } | |
a0720417 | 777 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 778 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 779 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 780 | untagged_variant_declaration, trace); |
add40b62 MD |
781 | if (ret) |
782 | goto error; | |
783 | } | |
784 | if (name) { | |
785 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 786 | untagged_variant_declaration, |
add40b62 MD |
787 | declaration_scope); |
788 | assert(!ret); | |
789 | } | |
a0720417 MD |
790 | } |
791 | /* | |
792 | * if tagged, create tagged variant and return. else return | |
793 | * untagged variant. | |
794 | */ | |
795 | if (!choice) { | |
796 | return &untagged_variant_declaration->p; | |
797 | } else { | |
798 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
799 | if (!variant_declaration) | |
800 | goto error; | |
801 | declaration_unref(&untagged_variant_declaration->p); | |
802 | return &variant_declaration->p; | |
de47353a | 803 | } |
add40b62 | 804 | error: |
2dd46001 | 805 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 806 | return NULL; |
05628561 MD |
807 | } |
808 | ||
05628561 | 809 | static |
8fdba45b | 810 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
811 | struct ctf_node *enumerator, |
812 | struct declaration_enum *enum_declaration) | |
813 | { | |
1cfda062 MD |
814 | GQuark q; |
815 | struct ctf_node *iter; | |
816 | ||
817 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 818 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
819 | int64_t start, end; |
820 | int nr_vals = 0; | |
821 | ||
a0720417 | 822 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
823 | int64_t *target; |
824 | ||
825 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
826 | if (nr_vals == 0) | |
827 | target = &start; | |
828 | else | |
829 | target = &end; | |
830 | ||
831 | switch (iter->u.unary_expression.type) { | |
832 | case UNARY_SIGNED_CONSTANT: | |
833 | *target = iter->u.unary_expression.u.signed_constant; | |
834 | break; | |
835 | case UNARY_UNSIGNED_CONSTANT: | |
836 | *target = iter->u.unary_expression.u.unsigned_constant; | |
837 | break; | |
838 | default: | |
78af2bcd | 839 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
840 | return -EINVAL; |
841 | } | |
842 | if (nr_vals > 1) { | |
78af2bcd | 843 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
844 | return -EINVAL; |
845 | } | |
846 | nr_vals++; | |
847 | } | |
848 | if (nr_vals == 1) | |
849 | end = start; | |
850 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 851 | } else { |
1cfda062 MD |
852 | uint64_t start, end; |
853 | int nr_vals = 0; | |
854 | ||
a0720417 MD |
855 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
856 | uint64_t *target; | |
1cfda062 MD |
857 | |
858 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
859 | if (nr_vals == 0) | |
860 | target = &start; | |
861 | else | |
862 | target = &end; | |
863 | ||
864 | switch (iter->u.unary_expression.type) { | |
865 | case UNARY_UNSIGNED_CONSTANT: | |
866 | *target = iter->u.unary_expression.u.unsigned_constant; | |
867 | break; | |
868 | case UNARY_SIGNED_CONSTANT: | |
869 | /* | |
870 | * We don't accept signed constants for enums with unsigned | |
871 | * container type. | |
872 | */ | |
78af2bcd | 873 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
874 | return -EINVAL; |
875 | default: | |
78af2bcd | 876 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
877 | return -EINVAL; |
878 | } | |
879 | if (nr_vals > 1) { | |
78af2bcd | 880 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
881 | return -EINVAL; |
882 | } | |
883 | nr_vals++; | |
884 | } | |
885 | if (nr_vals == 1) | |
886 | end = start; | |
887 | enum_unsigned_insert(enum_declaration, start, end, q); | |
888 | } | |
add40b62 MD |
889 | return 0; |
890 | } | |
891 | ||
892 | static | |
8fdba45b | 893 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 894 | const char *name, |
78af2bcd | 895 | struct ctf_node *container_type, |
add40b62 | 896 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
897 | int has_body, |
898 | struct declaration_scope *declaration_scope, | |
899 | struct ctf_trace *trace) | |
05628561 | 900 | { |
add40b62 MD |
901 | struct declaration *declaration; |
902 | struct declaration_enum *enum_declaration; | |
903 | struct declaration_integer *integer_declaration; | |
78af2bcd | 904 | struct ctf_node *iter; |
1cfda062 | 905 | GQuark dummy_id; |
a0720417 | 906 | int ret; |
add40b62 | 907 | |
05628561 | 908 | /* |
add40b62 MD |
909 | * For named enum (without body), lookup in |
910 | * declaration scope. Don't take reference on enum | |
911 | * declaration: ref is only taken upon definition. | |
05628561 | 912 | */ |
add40b62 MD |
913 | if (!has_body) { |
914 | assert(name); | |
915 | enum_declaration = | |
916 | lookup_enum_declaration(g_quark_from_string(name), | |
917 | declaration_scope); | |
a0720417 | 918 | return &enum_declaration->p; |
add40b62 MD |
919 | } else { |
920 | /* For unnamed enum, create type */ | |
921 | /* For named enum (with body), create type and add to declaration scope */ | |
922 | if (name) { | |
923 | if (lookup_enum_declaration(g_quark_from_string(name), | |
924 | declaration_scope)) { | |
925 | ||
78af2bcd | 926 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
927 | return NULL; |
928 | } | |
929 | } | |
78af2bcd | 930 | if (!container_type) { |
6743829a MD |
931 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
932 | declaration_scope); | |
933 | if (!declaration) { | |
934 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
935 | return NULL; | |
936 | } | |
937 | } else { | |
938 | declaration = ctf_type_declarator_visit(fd, depth, | |
939 | container_type, | |
940 | &dummy_id, NULL, | |
941 | declaration_scope, | |
942 | NULL, trace); | |
1cfda062 | 943 | } |
30ea18a1 MD |
944 | if (!declaration) { |
945 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
946 | return NULL; | |
947 | } | |
948 | if (declaration->id != CTF_TYPE_INTEGER) { | |
949 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
950 | return NULL; | |
1cfda062 | 951 | } |
30ea18a1 | 952 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 953 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
954 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
955 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
956 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
957 | if (ret) | |
958 | goto error; | |
959 | } | |
960 | if (name) { | |
961 | ret = register_enum_declaration(g_quark_from_string(name), | |
962 | enum_declaration, | |
963 | declaration_scope); | |
964 | assert(!ret); | |
965 | } | |
a0720417 | 966 | return &enum_declaration->p; |
05628561 | 967 | } |
add40b62 MD |
968 | error: |
969 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
970 | return NULL; | |
05628561 MD |
971 | } |
972 | ||
973 | static | |
8fdba45b | 974 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 975 | struct ctf_node *type_specifier_list, |
d20f5e59 | 976 | struct declaration_scope *declaration_scope) |
05628561 | 977 | { |
add40b62 MD |
978 | GString *str; |
979 | struct declaration *declaration; | |
a0720417 MD |
980 | char *str_c; |
981 | int ret; | |
982 | GQuark id_q; | |
05628561 | 983 | |
a0720417 | 984 | str = g_string_new(""); |
78af2bcd | 985 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
986 | if (ret) |
987 | return NULL; | |
988 | str_c = g_string_free(str, FALSE); | |
989 | id_q = g_quark_from_string(str_c); | |
990 | g_free(str_c); | |
991 | declaration = lookup_declaration(id_q, declaration_scope); | |
992 | return declaration; | |
993 | } | |
994 | ||
ab4cf058 MD |
995 | /* |
996 | * Returns 0/1 boolean, or < 0 on error. | |
997 | */ | |
998 | static | |
a0720417 | 999 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
1000 | { |
1001 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 1002 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
1003 | __func__); |
1004 | return -EINVAL; | |
1005 | } | |
1006 | switch (unary_expression->u.unary_expression.type) { | |
1007 | case UNARY_UNSIGNED_CONSTANT: | |
1008 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
1009 | return 0; | |
1010 | else | |
1011 | return 1; | |
1012 | case UNARY_SIGNED_CONSTANT: | |
1013 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
1014 | return 0; | |
1015 | else | |
1016 | return 1; | |
1017 | case UNARY_STRING: | |
1018 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
1019 | return 1; | |
1020 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
1021 | return 1; | |
1022 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
1023 | return 0; | |
1024 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
1025 | return 0; | |
1026 | else { | |
78af2bcd | 1027 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
1028 | __func__, unary_expression->u.unary_expression.u.string); |
1029 | return -EINVAL; | |
1030 | } | |
1031 | break; | |
1032 | default: | |
78af2bcd | 1033 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
1034 | __func__); |
1035 | return -EINVAL; | |
1036 | } | |
1037 | ||
1038 | } | |
1039 | ||
0f980a35 MD |
1040 | static |
1041 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1042 | { | |
1043 | int byte_order; | |
1044 | ||
1045 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1046 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1047 | __func__); | |
1048 | return -EINVAL; | |
1049 | } | |
1050 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1051 | byte_order = BIG_ENDIAN; | |
1052 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1053 | byte_order = LITTLE_ENDIAN; | |
1054 | else { | |
1055 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1056 | __func__, unary_expression->u.unary_expression.u.string); | |
1057 | return -EINVAL; | |
1058 | } | |
1059 | return byte_order; | |
1060 | } | |
1061 | ||
ab4cf058 | 1062 | static |
a0720417 MD |
1063 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1064 | struct ctf_trace *trace) | |
ab4cf058 MD |
1065 | { |
1066 | int byte_order; | |
1067 | ||
1068 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1069 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1070 | __func__); |
1071 | return -EINVAL; | |
1072 | } | |
1073 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1074 | byte_order = trace->byte_order; | |
1075 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1076 | byte_order = BIG_ENDIAN; | |
1077 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1078 | byte_order = BIG_ENDIAN; | |
1079 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1080 | byte_order = LITTLE_ENDIAN; | |
1081 | else { | |
78af2bcd | 1082 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1083 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1084 | return -EINVAL; |
1085 | } | |
1086 | return byte_order; | |
1087 | } | |
1088 | ||
add40b62 | 1089 | static |
8fdba45b | 1090 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1091 | struct cds_list_head *expressions, |
1092 | struct ctf_trace *trace) | |
add40b62 | 1093 | { |
a0720417 | 1094 | struct ctf_node *expression; |
ab4cf058 MD |
1095 | uint64_t alignment, size; |
1096 | int byte_order = trace->byte_order; | |
1097 | int signedness = 0; | |
add40b62 | 1098 | int has_alignment = 0, has_size = 0; |
4d5fc303 | 1099 | int base = 0; |
81dee1bb | 1100 | enum ctf_string_encoding encoding = CTF_STRING_NONE; |
add40b62 MD |
1101 | struct declaration_integer *integer_declaration; |
1102 | ||
1103 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1104 | struct ctf_node *left, *right; |
add40b62 | 1105 | |
a0720417 MD |
1106 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1107 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1108 | assert(left->u.unary_expression.type == UNARY_STRING); |
1109 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1110 | signedness = get_boolean(fd, depth, right); |
1111 | if (signedness < 0) | |
1112 | return NULL; | |
add40b62 | 1113 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1114 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1115 | if (byte_order < 0) |
1116 | return NULL; | |
add40b62 | 1117 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1118 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1119 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1120 | __func__); |
1121 | return NULL; | |
1122 | } | |
1123 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1124 | has_size = 1; |
1125 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1126 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1127 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1128 | __func__); |
1129 | return NULL; | |
1130 | } | |
1131 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1132 | /* Make sure alignment is a power of two */ |
1133 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1134 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1135 | __func__); | |
1136 | return NULL; | |
1137 | } | |
add40b62 | 1138 | has_alignment = 1; |
164078da MD |
1139 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { |
1140 | switch (right->u.unary_expression.type) { | |
1141 | case UNARY_UNSIGNED_CONSTANT: | |
1142 | switch (right->u.unary_expression.u.unsigned_constant) { | |
1143 | case 2: | |
1144 | case 8: | |
1145 | case 10: | |
1146 | case 16: | |
1147 | base = right->u.unary_expression.u.unsigned_constant; | |
1148 | break; | |
1149 | default: | |
1150 | fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", | |
1151 | __func__, right->u.unary_expression.u.unsigned_constant); | |
1152 | return NULL; | |
1153 | } | |
1154 | break; | |
1155 | case UNARY_STRING: | |
1156 | { | |
1157 | char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1158 | if (!s_right) { | |
1159 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1160 | g_free(s_right); | |
1161 | return NULL; | |
1162 | } | |
1163 | if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") | |
1164 | || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { | |
1165 | base = 10; | |
1166 | } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") | |
1167 | || !strcmp(s_right, "x") || !strcmp(s_right, "X") | |
1168 | || !strcmp(s_right, "p")) { | |
1169 | base = 16; | |
1170 | } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") | |
1171 | || !strcmp(s_right, "o")) { | |
1172 | base = 8; | |
1173 | } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { | |
1174 | base = 2; | |
1175 | } else { | |
1176 | fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); | |
1177 | g_free(s_right); | |
1178 | return NULL; | |
1179 | } | |
1180 | ||
1181 | g_free(s_right); | |
1182 | break; | |
1183 | } | |
1184 | default: | |
1185 | fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", | |
1186 | __func__); | |
1187 | return NULL; | |
1188 | } | |
81dee1bb MD |
1189 | } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) { |
1190 | char *s_right; | |
1191 | ||
1192 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1193 | fprintf(fd, "[error] %s: encoding: expecting unary string\n", | |
1194 | __func__); | |
1195 | return NULL; | |
1196 | } | |
1197 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1198 | if (!s_right) { | |
1199 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1200 | g_free(s_right); | |
1201 | return NULL; | |
1202 | } | |
1203 | if (!strcmp(s_right, "UTF8") | |
1204 | || !strcmp(s_right, "utf8") | |
1205 | || !strcmp(s_right, "utf-8") | |
1206 | || !strcmp(s_right, "UTF-8")) | |
1207 | encoding = CTF_STRING_UTF8; | |
1208 | else if (!strcmp(s_right, "ASCII") | |
1209 | || !strcmp(s_right, "ascii")) | |
1210 | encoding = CTF_STRING_ASCII; | |
b5bf4179 MD |
1211 | else if (!strcmp(s_right, "none")) |
1212 | encoding = CTF_STRING_NONE; | |
81dee1bb MD |
1213 | else { |
1214 | fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right); | |
1215 | g_free(s_right); | |
1216 | return NULL; | |
1217 | } | |
1218 | g_free(s_right); | |
add40b62 | 1219 | } else { |
78af2bcd | 1220 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
add40b62 MD |
1221 | __func__, left->u.unary_expression.u.string); |
1222 | return NULL; | |
1223 | } | |
05628561 | 1224 | } |
add40b62 | 1225 | if (!has_size) { |
78af2bcd | 1226 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1227 | return NULL; |
1228 | } | |
ab4cf058 MD |
1229 | if (!has_alignment) { |
1230 | if (size % CHAR_BIT) { | |
1231 | /* bit-packed alignment */ | |
1232 | alignment = 1; | |
1233 | } else { | |
1234 | /* byte-packed alignment */ | |
1235 | alignment = CHAR_BIT; | |
1236 | } | |
1237 | } | |
add40b62 | 1238 | integer_declaration = integer_declaration_new(size, |
81dee1bb MD |
1239 | byte_order, signedness, alignment, |
1240 | base, encoding); | |
add40b62 | 1241 | return &integer_declaration->p; |
05628561 MD |
1242 | } |
1243 | ||
ab4cf058 | 1244 | static |
8fdba45b | 1245 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1246 | struct cds_list_head *expressions, |
1247 | struct ctf_trace *trace) | |
1248 | { | |
a0720417 | 1249 | struct ctf_node *expression; |
ab4cf058 MD |
1250 | uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; |
1251 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; | |
1252 | struct declaration_float *float_declaration; | |
1253 | ||
1254 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1255 | struct ctf_node *left, *right; |
ab4cf058 | 1256 | |
a0720417 MD |
1257 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1258 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1259 | assert(left->u.unary_expression.type == UNARY_STRING); |
1260 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1261 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1262 | if (byte_order < 0) |
1263 | return NULL; | |
1264 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1265 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1266 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1267 | __func__); |
1268 | return NULL; | |
1269 | } | |
1270 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1271 | has_exp_dig = 1; | |
1272 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1273 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1274 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1275 | __func__); |
1276 | return NULL; | |
1277 | } | |
1278 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1279 | has_mant_dig = 1; | |
1280 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1281 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1282 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1283 | __func__); |
1284 | return NULL; | |
1285 | } | |
1286 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1287 | /* Make sure alignment is a power of two */ |
1288 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1289 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1290 | __func__); | |
1291 | return NULL; | |
1292 | } | |
ab4cf058 MD |
1293 | has_alignment = 1; |
1294 | } else { | |
78af2bcd | 1295 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1296 | __func__, left->u.unary_expression.u.string); |
1297 | return NULL; | |
1298 | } | |
1299 | } | |
1300 | if (!has_mant_dig) { | |
78af2bcd | 1301 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1302 | return NULL; |
1303 | } | |
1304 | if (!has_exp_dig) { | |
78af2bcd | 1305 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1306 | return NULL; |
1307 | } | |
1308 | if (!has_alignment) { | |
1309 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1310 | /* bit-packed alignment */ | |
1311 | alignment = 1; | |
1312 | } else { | |
1313 | /* byte-packed alignment */ | |
1314 | alignment = CHAR_BIT; | |
1315 | } | |
1316 | } | |
1317 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1318 | byte_order, alignment); | |
1319 | return &float_declaration->p; | |
1320 | } | |
1321 | ||
1322 | static | |
8fdba45b | 1323 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1324 | struct cds_list_head *expressions, |
1325 | struct ctf_trace *trace) | |
1326 | { | |
a0720417 | 1327 | struct ctf_node *expression; |
ab4cf058 MD |
1328 | const char *encoding_c = NULL; |
1329 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1330 | struct declaration_string *string_declaration; | |
1331 | ||
1332 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1333 | struct ctf_node *left, *right; |
ab4cf058 | 1334 | |
a0720417 MD |
1335 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1336 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1337 | assert(left->u.unary_expression.type == UNARY_STRING); |
1338 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1339 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1340 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1341 | __func__); |
1342 | return NULL; | |
1343 | } | |
1344 | encoding_c = right->u.unary_expression.u.string; | |
1345 | } else { | |
78af2bcd | 1346 | fprintf(fd, "[error] %s: unknown attribute name %s\n", |
ab4cf058 MD |
1347 | __func__, left->u.unary_expression.u.string); |
1348 | return NULL; | |
1349 | } | |
1350 | } | |
1351 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1352 | encoding = CTF_STRING_ASCII; | |
1353 | string_declaration = string_declaration_new(encoding); | |
1354 | return &string_declaration->p; | |
1355 | } | |
1356 | ||
1357 | ||
05628561 | 1358 | static |
78af2bcd MD |
1359 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1360 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1361 | struct declaration_scope *declaration_scope, |
1362 | struct ctf_trace *trace) | |
05628561 | 1363 | { |
a0720417 | 1364 | struct ctf_node *first; |
78af2bcd | 1365 | struct ctf_node *node; |
d20f5e59 | 1366 | |
427c09b7 MD |
1367 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1368 | ||
78af2bcd | 1369 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1370 | |
78af2bcd MD |
1371 | assert(first->type == NODE_TYPE_SPECIFIER); |
1372 | ||
1373 | node = first->u.type_specifier.node; | |
1374 | ||
1375 | switch (first->u.type_specifier.type) { | |
1376 | case TYPESPEC_FLOATING_POINT: | |
1377 | return ctf_declaration_floating_point_visit(fd, depth, | |
1378 | &node->u.floating_point.expressions, trace); | |
1379 | case TYPESPEC_INTEGER: | |
1380 | return ctf_declaration_integer_visit(fd, depth, | |
1381 | &node->u.integer.expressions, trace); | |
1382 | case TYPESPEC_STRING: | |
1383 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1384 | &node->u.string.expressions, trace); |
78af2bcd | 1385 | case TYPESPEC_STRUCT: |
add40b62 | 1386 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1387 | node->u._struct.name, |
1388 | &node->u._struct.declaration_list, | |
1389 | node->u._struct.has_body, | |
b7e35bad | 1390 | &node->u._struct.min_align, |
ab4cf058 MD |
1391 | declaration_scope, |
1392 | trace); | |
78af2bcd | 1393 | case TYPESPEC_VARIANT: |
add40b62 | 1394 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1395 | node->u.variant.name, |
1396 | node->u.variant.choice, | |
1397 | &node->u.variant.declaration_list, | |
1398 | node->u.variant.has_body, | |
ab4cf058 MD |
1399 | declaration_scope, |
1400 | trace); | |
78af2bcd | 1401 | case TYPESPEC_ENUM: |
add40b62 | 1402 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1403 | node->u._enum.enum_id, |
1404 | node->u._enum.container_type, | |
1405 | &node->u._enum.enumerator_list, | |
1406 | node->u._enum.has_body, | |
1cfda062 | 1407 | declaration_scope, |
ab4cf058 | 1408 | trace); |
78af2bcd MD |
1409 | |
1410 | case TYPESPEC_VOID: | |
1411 | case TYPESPEC_CHAR: | |
1412 | case TYPESPEC_SHORT: | |
1413 | case TYPESPEC_INT: | |
1414 | case TYPESPEC_LONG: | |
1415 | case TYPESPEC_FLOAT: | |
1416 | case TYPESPEC_DOUBLE: | |
1417 | case TYPESPEC_SIGNED: | |
1418 | case TYPESPEC_UNSIGNED: | |
1419 | case TYPESPEC_BOOL: | |
1420 | case TYPESPEC_COMPLEX: | |
1421 | case TYPESPEC_IMAGINARY: | |
1422 | case TYPESPEC_CONST: | |
1423 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1424 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1425 | type_specifier_list, declaration_scope); |
a0720417 | 1426 | default: |
78af2bcd | 1427 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1428 | return NULL; |
add40b62 | 1429 | } |
05628561 MD |
1430 | } |
1431 | ||
1432 | static | |
1433 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1434 | { | |
1435 | int ret = 0; | |
1436 | ||
1437 | switch (node->type) { | |
1438 | case NODE_TYPEDEF: | |
1439 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1440 | event->declaration_scope, |
78af2bcd | 1441 | node->u._typedef.type_specifier_list, |
05628561 | 1442 | &node->u._typedef.type_declarators, |
a0720417 | 1443 | trace); |
05628561 MD |
1444 | if (ret) |
1445 | return ret; | |
1446 | break; | |
1447 | case NODE_TYPEALIAS: | |
1448 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1449 | event->declaration_scope, |
1450 | node->u.typealias.target, node->u.typealias.alias, | |
1451 | trace); | |
05628561 MD |
1452 | if (ret) |
1453 | return ret; | |
1454 | break; | |
1455 | case NODE_CTF_EXPRESSION: | |
1456 | { | |
1457 | char *left; | |
1458 | ||
1459 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1460 | if (!strcmp(left, "name")) { | |
1461 | char *right; | |
1462 | ||
427c09b7 MD |
1463 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1464 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1465 | ret = -EPERM; |
1466 | goto error; | |
427c09b7 | 1467 | } |
05628561 MD |
1468 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1469 | if (!right) { | |
78af2bcd | 1470 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1471 | ret = -EINVAL; |
1472 | goto error; | |
05628561 MD |
1473 | } |
1474 | event->name = g_quark_from_string(right); | |
41253107 | 1475 | g_free(right); |
05628561 MD |
1476 | CTF_EVENT_SET_FIELD(event, name); |
1477 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1478 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1479 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1480 | ret = -EPERM; |
1481 | goto error; | |
427c09b7 | 1482 | } |
05628561 MD |
1483 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1484 | if (ret) { | |
78af2bcd | 1485 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1486 | ret = -EINVAL; |
1487 | goto error; | |
05628561 MD |
1488 | } |
1489 | CTF_EVENT_SET_FIELD(event, id); | |
1490 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1491 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1492 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1493 | ret = -EPERM; |
1494 | goto error; | |
427c09b7 | 1495 | } |
05628561 MD |
1496 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1497 | if (ret) { | |
78af2bcd | 1498 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1499 | ret = -EINVAL; |
1500 | goto error; | |
05628561 MD |
1501 | } |
1502 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1503 | if (!event->stream) { | |
78af2bcd | 1504 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1505 | ret = -EINVAL; |
1506 | goto error; | |
05628561 | 1507 | } |
05628561 MD |
1508 | CTF_EVENT_SET_FIELD(event, stream_id); |
1509 | } else if (!strcmp(left, "context")) { | |
1510 | struct declaration *declaration; | |
1511 | ||
427c09b7 MD |
1512 | if (event->context_decl) { |
1513 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1514 | ret = -EINVAL; |
1515 | goto error; | |
427c09b7 | 1516 | } |
78af2bcd MD |
1517 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1518 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1519 | struct ctf_node, siblings), | |
ab4cf058 | 1520 | event->declaration_scope, trace); |
0f980a35 MD |
1521 | if (!declaration) { |
1522 | ret = -EPERM; | |
1523 | goto error; | |
1524 | } | |
1525 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1526 | ret = -EPERM; | |
1527 | goto error; | |
1528 | } | |
9e29e16e | 1529 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1530 | } else if (!strcmp(left, "fields")) { |
1531 | struct declaration *declaration; | |
1532 | ||
427c09b7 MD |
1533 | if (event->fields_decl) { |
1534 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1535 | ret = -EINVAL; |
1536 | goto error; | |
427c09b7 | 1537 | } |
78af2bcd MD |
1538 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1539 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1540 | struct ctf_node, siblings), | |
ab4cf058 | 1541 | event->declaration_scope, trace); |
0f980a35 MD |
1542 | if (!declaration) { |
1543 | ret = -EPERM; | |
1544 | goto error; | |
1545 | } | |
1546 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1547 | ret = -EPERM; | |
1548 | goto error; | |
1549 | } | |
9e29e16e | 1550 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f MD |
1551 | } else { |
1552 | fprintf(fd, "[error] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); | |
1553 | ret = -EINVAL; | |
1554 | goto error; | |
05628561 | 1555 | } |
0f980a35 | 1556 | error: |
41253107 | 1557 | g_free(left); |
05628561 MD |
1558 | break; |
1559 | } | |
1560 | default: | |
1561 | return -EPERM; | |
1562 | /* TODO: declaration specifier should be added. */ | |
1563 | } | |
1564 | ||
0f980a35 | 1565 | return ret; |
05628561 MD |
1566 | } |
1567 | ||
1568 | static | |
1569 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1570 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1571 | { |
1572 | int ret = 0; | |
1573 | struct ctf_node *iter; | |
1574 | struct ctf_event *event; | |
1575 | ||
1576 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1577 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1578 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1579 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1580 | if (ret) | |
1581 | goto error; | |
1582 | } | |
1583 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1584 | ret = -EPERM; | |
427c09b7 | 1585 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1586 | goto error; |
1587 | } | |
05628561 | 1588 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1589 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1590 | switch (trace->streams->len) { |
1591 | case 0: /* Create stream if there was none. */ | |
1592 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1593 | if (ret) | |
1594 | goto error; | |
1595 | /* Fall-through */ | |
1596 | case 1: | |
0f980a35 MD |
1597 | event->stream_id = 0; |
1598 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1599 | break; |
1600 | default: | |
0f980a35 MD |
1601 | ret = -EPERM; |
1602 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1603 | goto error; | |
1604 | } | |
05628561 | 1605 | } |
8c572eba MD |
1606 | /* Allow only one event without id per stream */ |
1607 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1608 | && event->stream->events_by_id->len != 0) { | |
1609 | ret = -EPERM; | |
1610 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1611 | goto error; | |
1612 | } | |
05628561 MD |
1613 | if (event->stream->events_by_id->len <= event->id) |
1614 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1615 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1616 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1617 | (gpointer)(unsigned long) event->name, | |
1618 | &event->id); | |
1619 | return 0; | |
1620 | ||
1621 | error: | |
98df1c9f MD |
1622 | if (event->fields_decl) |
1623 | declaration_unref(&event->fields_decl->p); | |
1624 | if (event->context_decl) | |
1625 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1626 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1627 | g_free(event); |
1628 | return ret; | |
1629 | } | |
1630 | ||
1631 | ||
1632 | static | |
aa6bffae | 1633 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) |
05628561 MD |
1634 | { |
1635 | int ret = 0; | |
1636 | ||
1637 | switch (node->type) { | |
1638 | case NODE_TYPEDEF: | |
1639 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1640 | stream->declaration_scope, |
78af2bcd | 1641 | node->u._typedef.type_specifier_list, |
05628561 | 1642 | &node->u._typedef.type_declarators, |
a0720417 | 1643 | trace); |
05628561 MD |
1644 | if (ret) |
1645 | return ret; | |
1646 | break; | |
1647 | case NODE_TYPEALIAS: | |
1648 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1649 | stream->declaration_scope, |
1650 | node->u.typealias.target, node->u.typealias.alias, | |
1651 | trace); | |
05628561 MD |
1652 | if (ret) |
1653 | return ret; | |
1654 | break; | |
1655 | case NODE_CTF_EXPRESSION: | |
1656 | { | |
1657 | char *left; | |
1658 | ||
1659 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1660 | if (!strcmp(left, "id")) { |
1661 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1662 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1663 | ret = -EPERM; |
1664 | goto error; | |
427c09b7 | 1665 | } |
a0720417 | 1666 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1667 | if (ret) { |
427c09b7 | 1668 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1669 | ret = -EINVAL; |
1670 | goto error; | |
05628561 | 1671 | } |
a0720417 | 1672 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1673 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1674 | struct declaration *declaration; |
1675 | ||
427c09b7 MD |
1676 | if (stream->event_header_decl) { |
1677 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1678 | ret = -EINVAL; |
1679 | goto error; | |
427c09b7 | 1680 | } |
78af2bcd MD |
1681 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1682 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1683 | struct ctf_node, siblings), | |
a0720417 | 1684 | stream->declaration_scope, trace); |
0f980a35 MD |
1685 | if (!declaration) { |
1686 | ret = -EPERM; | |
1687 | goto error; | |
1688 | } | |
1689 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1690 | ret = -EPERM; | |
1691 | goto error; | |
1692 | } | |
9e29e16e MD |
1693 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1694 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1695 | struct declaration *declaration; |
1696 | ||
427c09b7 MD |
1697 | if (stream->event_context_decl) { |
1698 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1699 | ret = -EINVAL; |
1700 | goto error; | |
427c09b7 | 1701 | } |
78af2bcd MD |
1702 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1703 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1704 | struct ctf_node, siblings), | |
ab4cf058 | 1705 | stream->declaration_scope, trace); |
0f980a35 MD |
1706 | if (!declaration) { |
1707 | ret = -EPERM; | |
1708 | goto error; | |
1709 | } | |
1710 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1711 | ret = -EPERM; | |
1712 | goto error; | |
1713 | } | |
9e29e16e MD |
1714 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1715 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1716 | struct declaration *declaration; |
1717 | ||
427c09b7 MD |
1718 | if (stream->packet_context_decl) { |
1719 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1720 | ret = -EINVAL; |
1721 | goto error; | |
427c09b7 | 1722 | } |
78af2bcd MD |
1723 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1724 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1725 | struct ctf_node, siblings), | |
ab4cf058 | 1726 | stream->declaration_scope, trace); |
0f980a35 MD |
1727 | if (!declaration) { |
1728 | ret = -EPERM; | |
1729 | goto error; | |
1730 | } | |
1731 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1732 | ret = -EPERM; | |
1733 | goto error; | |
1734 | } | |
9e29e16e | 1735 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f MD |
1736 | } else { |
1737 | fprintf(fd, "[error] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left); | |
1738 | ret = -EINVAL; | |
1739 | goto error; | |
05628561 | 1740 | } |
98df1c9f | 1741 | |
0f980a35 | 1742 | error: |
41253107 | 1743 | g_free(left); |
05628561 MD |
1744 | break; |
1745 | } | |
1746 | default: | |
1747 | return -EPERM; | |
1748 | /* TODO: declaration specifier should be added. */ | |
1749 | } | |
1750 | ||
0f980a35 | 1751 | return ret; |
05628561 MD |
1752 | } |
1753 | ||
1754 | static | |
1755 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1756 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1757 | { |
1758 | int ret = 0; | |
1759 | struct ctf_node *iter; | |
aa6bffae | 1760 | struct ctf_stream_class *stream; |
05628561 | 1761 | |
aa6bffae | 1762 | stream = g_new0(struct ctf_stream_class, 1); |
d20f5e59 | 1763 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1764 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1765 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
2d0bea29 | 1766 | stream->streams = g_ptr_array_new(); |
33105c61 MD |
1767 | if (node) { |
1768 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1769 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1770 | if (ret) | |
1771 | goto error; | |
1772 | } | |
05628561 | 1773 | } |
0f980a35 MD |
1774 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1775 | /* check that packet header has stream_id field. */ | |
1776 | if (!trace->packet_header_decl | |
1777 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1778 | ret = -EPERM; | |
1779 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1780 | goto error; | |
1781 | } | |
8c572eba MD |
1782 | } else { |
1783 | /* Allow only one id-less stream */ | |
1784 | if (trace->streams->len != 0) { | |
1785 | ret = -EPERM; | |
1786 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1787 | goto error; | |
1788 | } | |
1789 | stream->stream_id = 0; | |
05628561 MD |
1790 | } |
1791 | if (trace->streams->len <= stream->stream_id) | |
1792 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1793 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
9e29e16e | 1794 | |
05628561 MD |
1795 | return 0; |
1796 | ||
1797 | error: | |
98df1c9f MD |
1798 | if (stream->event_header_decl) |
1799 | declaration_unref(&stream->event_header_decl->p); | |
1800 | if (stream->event_context_decl) | |
1801 | declaration_unref(&stream->event_context_decl->p); | |
1802 | if (stream->packet_context_decl) | |
1803 | declaration_unref(&stream->packet_context_decl->p); | |
2d0bea29 | 1804 | g_ptr_array_free(stream->streams, TRUE); |
05628561 | 1805 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1806 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1807 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1808 | g_free(stream); |
1809 | return ret; | |
1810 | } | |
1811 | ||
1812 | static | |
1813 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1814 | { | |
1815 | int ret = 0; | |
1816 | ||
1817 | switch (node->type) { | |
1818 | case NODE_TYPEDEF: | |
1819 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1820 | trace->declaration_scope, |
78af2bcd | 1821 | node->u._typedef.type_specifier_list, |
05628561 | 1822 | &node->u._typedef.type_declarators, |
a0720417 | 1823 | trace); |
05628561 MD |
1824 | if (ret) |
1825 | return ret; | |
1826 | break; | |
1827 | case NODE_TYPEALIAS: | |
1828 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1829 | trace->declaration_scope, |
1830 | node->u.typealias.target, node->u.typealias.alias, | |
1831 | trace); | |
05628561 MD |
1832 | if (ret) |
1833 | return ret; | |
1834 | break; | |
1835 | case NODE_CTF_EXPRESSION: | |
1836 | { | |
1837 | char *left; | |
1838 | ||
1839 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1840 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1841 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1842 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1843 | ret = -EPERM; |
1844 | goto error; | |
427c09b7 | 1845 | } |
05628561 MD |
1846 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1847 | if (ret) { | |
78af2bcd | 1848 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1849 | ret = -EINVAL; |
1850 | goto error; | |
05628561 | 1851 | } |
a0720417 | 1852 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1853 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1854 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1855 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1856 | ret = -EPERM; |
1857 | goto error; | |
427c09b7 | 1858 | } |
05628561 MD |
1859 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1860 | if (ret) { | |
78af2bcd | 1861 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1862 | ret = -EINVAL; |
1863 | goto error; | |
05628561 | 1864 | } |
a0720417 | 1865 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1866 | } else if (!strcmp(left, "uuid")) { |
b4c19c1e | 1867 | uuid_t uuid; |
a0fe7d97 MD |
1868 | |
1869 | ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid); | |
05628561 | 1870 | if (ret) { |
78af2bcd | 1871 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1872 | ret = -EINVAL; |
1873 | goto error; | |
05628561 | 1874 | } |
b4c19c1e MD |
1875 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid) |
1876 | && uuid_compare(uuid, trace->uuid)) { | |
1877 | fprintf(fd, "[error] %s: uuid mismatch\n", __func__); | |
1878 | ret = -EPERM; | |
1879 | goto error; | |
a0fe7d97 MD |
1880 | } else { |
1881 | memcpy(trace->uuid, uuid, sizeof(uuid)); | |
b4c19c1e | 1882 | } |
a0720417 | 1883 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
1884 | } else if (!strcmp(left, "byte_order")) { |
1885 | struct ctf_node *right; | |
1886 | int byte_order; | |
1887 | ||
0f980a35 MD |
1888 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); |
1889 | byte_order = get_trace_byte_order(fd, depth, right); | |
1890 | if (byte_order < 0) | |
1891 | return -EINVAL; | |
a0fe7d97 MD |
1892 | |
1893 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order) | |
1894 | && byte_order != trace->byte_order) { | |
1895 | fprintf(fd, "[error] %s: endianness mismatch\n", __func__); | |
1896 | ret = -EPERM; | |
1897 | goto error; | |
1898 | } else { | |
1899 | trace->byte_order = byte_order; | |
1900 | } | |
0f980a35 MD |
1901 | CTF_TRACE_SET_FIELD(trace, byte_order); |
1902 | } else if (!strcmp(left, "packet.header")) { | |
1903 | struct declaration *declaration; | |
1904 | ||
1905 | if (trace->packet_header_decl) { | |
1906 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
1907 | ret = -EINVAL; | |
1908 | goto error; | |
1909 | } | |
1910 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
1911 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1912 | struct ctf_node, siblings), | |
1913 | trace->declaration_scope, trace); | |
1914 | if (!declaration) { | |
1915 | ret = -EPERM; | |
1916 | goto error; | |
1917 | } | |
1918 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1919 | ret = -EPERM; | |
1920 | goto error; | |
1921 | } | |
1922 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
98df1c9f MD |
1923 | } else { |
1924 | fprintf(fd, "[error] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left); | |
1925 | ret = -EINVAL; | |
1926 | goto error; | |
05628561 | 1927 | } |
98df1c9f | 1928 | |
0f980a35 | 1929 | error: |
41253107 | 1930 | g_free(left); |
05628561 MD |
1931 | break; |
1932 | } | |
1933 | default: | |
1934 | return -EPERM; | |
1935 | /* TODO: declaration specifier should be added. */ | |
1936 | } | |
1937 | ||
0f980a35 | 1938 | return ret; |
05628561 MD |
1939 | } |
1940 | ||
05628561 MD |
1941 | static |
1942 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1943 | { | |
1944 | int ret = 0; | |
1945 | struct ctf_node *iter; | |
1946 | ||
d20f5e59 | 1947 | if (trace->declaration_scope) |
05628561 | 1948 | return -EEXIST; |
d20f5e59 | 1949 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
1950 | trace->streams = g_ptr_array_new(); |
1951 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
1952 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
1953 | if (ret) | |
1954 | goto error; | |
1955 | } | |
a0720417 | 1956 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 1957 | ret = -EPERM; |
427c09b7 | 1958 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
1959 | goto error; |
1960 | } | |
a0720417 | 1961 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 1962 | ret = -EPERM; |
427c09b7 | 1963 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
1964 | goto error; |
1965 | } | |
a0720417 | 1966 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 1967 | ret = -EPERM; |
427c09b7 | 1968 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
1969 | goto error; |
1970 | } | |
dc48ecad MD |
1971 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
1972 | ret = -EPERM; | |
1973 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
1974 | goto error; | |
1975 | } | |
0f980a35 | 1976 | |
0f980a35 MD |
1977 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
1978 | /* check that the packet header contains a "magic" field */ | |
e28d4618 | 1979 | if (!trace->packet_header_decl |
0f980a35 MD |
1980 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { |
1981 | ret = -EPERM; | |
1982 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
98df1c9f | 1983 | goto error; |
0f980a35 MD |
1984 | } |
1985 | } | |
05628561 MD |
1986 | return 0; |
1987 | ||
1988 | error: | |
98df1c9f MD |
1989 | if (trace->packet_header_decl) |
1990 | declaration_unref(&trace->packet_header_decl->p); | |
05628561 | 1991 | g_ptr_array_free(trace->streams, TRUE); |
a0720417 | 1992 | free_declaration_scope(trace->declaration_scope); |
05628561 MD |
1993 | return ret; |
1994 | } | |
1995 | ||
78af2bcd MD |
1996 | static |
1997 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1998 | { | |
1999 | int ret = 0; | |
2000 | ||
2001 | switch (node->type) { | |
2002 | case NODE_TYPEDEF: | |
2003 | ret = ctf_typedef_visit(fd, depth + 1, | |
2004 | trace->root_declaration_scope, | |
2005 | node->u._typedef.type_specifier_list, | |
2006 | &node->u._typedef.type_declarators, | |
2007 | trace); | |
2008 | if (ret) | |
2009 | return ret; | |
2010 | break; | |
2011 | case NODE_TYPEALIAS: | |
2012 | ret = ctf_typealias_visit(fd, depth + 1, | |
2013 | trace->root_declaration_scope, | |
2014 | node->u.typealias.target, node->u.typealias.alias, | |
2015 | trace); | |
2016 | if (ret) | |
2017 | return ret; | |
2018 | break; | |
2019 | case NODE_TYPE_SPECIFIER_LIST: | |
2020 | { | |
2021 | struct declaration *declaration; | |
2022 | ||
2023 | /* | |
2024 | * Just add the type specifier to the root scope | |
2025 | * declaration scope. Release local reference. | |
2026 | */ | |
2027 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
2028 | node, trace->root_declaration_scope, trace); | |
2029 | if (!declaration) | |
2030 | return -ENOMEM; | |
2031 | declaration_unref(declaration); | |
2032 | break; | |
2033 | } | |
2034 | default: | |
2035 | return -EPERM; | |
2036 | } | |
2037 | ||
2038 | return 0; | |
2039 | } | |
2040 | ||
ab4cf058 MD |
2041 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
2042 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
2043 | { |
2044 | int ret = 0; | |
2045 | struct ctf_node *iter; | |
2046 | ||
c8b219a3 | 2047 | printf_verbose("CTF visitor: metadata construction... "); |
78af2bcd | 2048 | trace->root_declaration_scope = new_declaration_scope(NULL); |
ab4cf058 MD |
2049 | trace->byte_order = byte_order; |
2050 | ||
05628561 MD |
2051 | switch (node->type) { |
2052 | case NODE_ROOT: | |
3e11b713 | 2053 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 2054 | siblings) { |
78af2bcd | 2055 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
2056 | if (ret) { |
2057 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
a0fe7d97 | 2058 | goto error; |
427c09b7 | 2059 | } |
05628561 MD |
2060 | } |
2061 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
2062 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
427c09b7 MD |
2063 | if (ret) { |
2064 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
a0fe7d97 | 2065 | goto error; |
427c09b7 | 2066 | } |
05628561 | 2067 | } |
5039b4cc MD |
2068 | if (!trace->streams) { |
2069 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
a0fe7d97 MD |
2070 | ret = -EINVAL; |
2071 | goto error; | |
5039b4cc | 2072 | } |
05628561 MD |
2073 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
2074 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 2075 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2076 | if (ret) { |
2077 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
a0fe7d97 | 2078 | goto error; |
427c09b7 | 2079 | } |
05628561 MD |
2080 | } |
2081 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2082 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2083 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2084 | if (ret) { |
2085 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
a0fe7d97 | 2086 | goto error; |
427c09b7 | 2087 | } |
05628561 MD |
2088 | } |
2089 | break; | |
05628561 MD |
2090 | case NODE_UNKNOWN: |
2091 | default: | |
78af2bcd | 2092 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 | 2093 | (int) node->type); |
a0fe7d97 MD |
2094 | ret = -EINVAL; |
2095 | goto error; | |
05628561 | 2096 | } |
c8b219a3 | 2097 | printf_verbose("done.\n"); |
05628561 | 2098 | return ret; |
a0fe7d97 MD |
2099 | |
2100 | error: | |
2101 | free_declaration_scope(trace->root_declaration_scope); | |
2102 | return ret; | |
05628561 | 2103 | } |