Commit | Line | Data |
---|---|---|
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> |
70bd0a12 | 28 | #include <babeltrace/babeltrace-internal.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 | ||
d86d62f8 MD |
107 | static |
108 | int get_unary_signed(struct cds_list_head *head, int64_t *value) | |
109 | { | |
110 | struct ctf_node *node; | |
111 | int i = 0; | |
112 | ||
113 | cds_list_for_each_entry(node, head, siblings) { | |
114 | assert(node->type == NODE_UNARY_EXPRESSION); | |
115 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
116 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
117 | assert(i == 0); | |
118 | *value = node->u.unary_expression.u.signed_constant; | |
119 | i++; | |
120 | } | |
121 | return 0; | |
122 | } | |
123 | ||
05628561 | 124 | static |
add40b62 | 125 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 126 | { |
41253107 MD |
127 | struct ctf_node *node; |
128 | int i = 0; | |
129 | int ret = -1; | |
130 | ||
131 | cds_list_for_each_entry(node, head, siblings) { | |
132 | const char *src_string; | |
133 | ||
134 | assert(node->type == NODE_UNARY_EXPRESSION); | |
135 | assert(node->u.unary_expression.type == UNARY_STRING); | |
136 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
137 | assert(i == 0); | |
a0720417 | 138 | src_string = node->u.unary_expression.u.string; |
5c551b40 | 139 | ret = uuid_parse(src_string, *uuid); |
41253107 MD |
140 | } |
141 | return ret; | |
05628561 MD |
142 | } |
143 | ||
144 | static | |
aa6bffae | 145 | struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) |
05628561 MD |
146 | { |
147 | if (trace->streams->len <= stream_id) | |
148 | return NULL; | |
149 | return g_ptr_array_index(trace->streams, stream_id); | |
150 | } | |
151 | ||
add40b62 | 152 | static |
78af2bcd MD |
153 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
154 | { | |
155 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
156 | ||
157 | switch (type_specifier->u.type_specifier.type) { | |
158 | case TYPESPEC_VOID: | |
159 | g_string_append(str, "void"); | |
160 | break; | |
161 | case TYPESPEC_CHAR: | |
162 | g_string_append(str, "char"); | |
163 | break; | |
164 | case TYPESPEC_SHORT: | |
165 | g_string_append(str, "short"); | |
166 | break; | |
167 | case TYPESPEC_INT: | |
168 | g_string_append(str, "int"); | |
169 | break; | |
170 | case TYPESPEC_LONG: | |
171 | g_string_append(str, "long"); | |
172 | break; | |
173 | case TYPESPEC_FLOAT: | |
174 | g_string_append(str, "float"); | |
175 | break; | |
176 | case TYPESPEC_DOUBLE: | |
177 | g_string_append(str, "double"); | |
178 | break; | |
179 | case TYPESPEC_SIGNED: | |
180 | g_string_append(str, "signed"); | |
181 | break; | |
182 | case TYPESPEC_UNSIGNED: | |
183 | g_string_append(str, "unsigned"); | |
184 | break; | |
185 | case TYPESPEC_BOOL: | |
186 | g_string_append(str, "bool"); | |
187 | break; | |
188 | case TYPESPEC_COMPLEX: | |
189 | g_string_append(str, "_Complex"); | |
190 | break; | |
191 | case TYPESPEC_IMAGINARY: | |
192 | g_string_append(str, "_Imaginary"); | |
193 | break; | |
194 | case TYPESPEC_CONST: | |
195 | g_string_append(str, "const"); | |
196 | break; | |
197 | case TYPESPEC_ID_TYPE: | |
198 | if (type_specifier->u.type_specifier.id_type) | |
199 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
200 | break; | |
201 | case TYPESPEC_STRUCT: | |
202 | { | |
203 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
204 | ||
205 | if (!node->u._struct.name) { | |
206 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
207 | return -EINVAL; | |
208 | } | |
209 | g_string_append(str, "struct "); | |
210 | g_string_append(str, node->u._struct.name); | |
211 | break; | |
212 | } | |
213 | case TYPESPEC_VARIANT: | |
214 | { | |
215 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
216 | ||
217 | if (!node->u.variant.name) { | |
218 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
219 | return -EINVAL; | |
220 | } | |
221 | g_string_append(str, "variant "); | |
222 | g_string_append(str, node->u.variant.name); | |
223 | break; | |
224 | } | |
225 | case TYPESPEC_ENUM: | |
226 | { | |
227 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
228 | ||
229 | if (!node->u._enum.enum_id) { | |
230 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
231 | return -EINVAL; | |
232 | } | |
233 | g_string_append(str, "enum "); | |
234 | g_string_append(str, node->u._enum.enum_id); | |
235 | break; | |
236 | } | |
237 | case TYPESPEC_FLOATING_POINT: | |
238 | case TYPESPEC_INTEGER: | |
239 | case TYPESPEC_STRING: | |
240 | default: | |
241 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
242 | return -EINVAL; | |
243 | } | |
244 | return 0; | |
245 | } | |
246 | ||
247 | static | |
248 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
249 | { |
250 | struct ctf_node *iter; | |
251 | int alias_item_nr = 0; | |
78af2bcd | 252 | int ret; |
add40b62 | 253 | |
78af2bcd | 254 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
255 | if (alias_item_nr != 0) |
256 | g_string_append(str, " "); | |
257 | alias_item_nr++; | |
78af2bcd MD |
258 | ret = visit_type_specifier(fd, iter, str); |
259 | if (ret) | |
260 | return ret; | |
add40b62 MD |
261 | } |
262 | return 0; | |
add40b62 MD |
263 | } |
264 | ||
265 | static | |
8fdba45b | 266 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 267 | struct ctf_node *type_specifier_list, |
add40b62 MD |
268 | struct ctf_node *node_type_declarator) |
269 | { | |
a0720417 | 270 | struct ctf_node *iter; |
add40b62 | 271 | GString *str; |
a0720417 | 272 | char *str_c; |
add40b62 MD |
273 | GQuark alias_q; |
274 | int ret; | |
275 | ||
a0720417 | 276 | str = g_string_new(""); |
78af2bcd | 277 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
278 | if (ret) { |
279 | g_string_free(str, TRUE); | |
280 | return 0; | |
281 | } | |
282 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
283 | g_string_append(str, " *"); | |
284 | if (iter->u.pointer.const_qualifier) | |
285 | g_string_append(str, " const"); | |
286 | } | |
287 | str_c = g_string_free(str, FALSE); | |
288 | alias_q = g_quark_from_string(str_c); | |
289 | g_free(str_c); | |
290 | return alias_q; | |
291 | } | |
292 | ||
a3cca9e9 | 293 | static |
8fdba45b | 294 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 295 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
296 | GQuark *field_name, |
297 | struct ctf_node *node_type_declarator, | |
add40b62 | 298 | struct declaration_scope *declaration_scope, |
e397791f MD |
299 | struct declaration *nested_declaration, |
300 | struct ctf_trace *trace) | |
a3cca9e9 MD |
301 | { |
302 | /* | |
303 | * Visit type declarator by first taking care of sequence/array | |
304 | * (recursively). Then, when we get to the identifier, take care | |
305 | * of pointers. | |
306 | */ | |
307 | ||
e397791f MD |
308 | if (node_type_declarator) { |
309 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 310 | |
e397791f MD |
311 | /* TODO: gcc bitfields not supported yet. */ |
312 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 313 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
314 | return NULL; |
315 | } | |
add40b62 | 316 | } |
a3cca9e9 MD |
317 | |
318 | if (!nested_declaration) { | |
e397791f | 319 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
320 | GQuark alias_q; |
321 | ||
a3cca9e9 MD |
322 | /* |
323 | * If we have a pointer declarator, it _has_ to be present in | |
324 | * the typealiases (else fail). | |
325 | */ | |
add40b62 | 326 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 327 | type_specifier_list, node_type_declarator); |
add40b62 MD |
328 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
329 | if (!nested_declaration) { | |
78af2bcd | 330 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
331 | return NULL; |
332 | } | |
4d5fc303 MD |
333 | if (nested_declaration->id == CTF_TYPE_INTEGER) { |
334 | struct declaration_integer *integer_declaration = | |
335 | container_of(nested_declaration, struct declaration_integer, p); | |
336 | /* For base to 16 for pointers (expected pretty-print) */ | |
2527e149 MD |
337 | if (!integer_declaration->base) { |
338 | /* | |
339 | * We need to do a copy of the | |
340 | * integer declaration to modify it. There could be other references to | |
341 | * it. | |
342 | */ | |
343 | integer_declaration = integer_declaration_new(integer_declaration->len, | |
344 | integer_declaration->byte_order, integer_declaration->signedness, | |
81dee1bb | 345 | integer_declaration->p.alignment, 16, integer_declaration->encoding); |
2527e149 MD |
346 | nested_declaration = &integer_declaration->p; |
347 | } | |
4d5fc303 | 348 | } |
a3cca9e9 | 349 | } else { |
78af2bcd MD |
350 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
351 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 352 | } |
a3cca9e9 MD |
353 | } |
354 | ||
e397791f MD |
355 | if (!node_type_declarator) |
356 | return nested_declaration; | |
357 | ||
a3cca9e9 MD |
358 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
359 | if (node_type_declarator->u.type_declarator.u.id) | |
360 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
361 | else | |
362 | *field_name = 0; | |
363 | return nested_declaration; | |
364 | } else { | |
365 | struct declaration *declaration; | |
98df1c9f | 366 | struct ctf_node *first; |
a3cca9e9 MD |
367 | |
368 | /* TYPEDEC_NESTED */ | |
369 | ||
b5bf4179 MD |
370 | if (!nested_declaration) { |
371 | fprintf(fd, "[error] %s: nested type is unknown.\n", __func__); | |
372 | return NULL; | |
373 | } | |
374 | ||
a3cca9e9 | 375 | /* create array/sequence, pass nested_declaration as child. */ |
98df1c9f MD |
376 | if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) { |
377 | fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__); | |
a0720417 MD |
378 | return NULL; |
379 | } | |
98df1c9f MD |
380 | first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, |
381 | struct ctf_node, siblings); | |
382 | assert(first->type == NODE_UNARY_EXPRESSION); | |
383 | ||
384 | switch (first->u.unary_expression.type) { | |
385 | case UNARY_UNSIGNED_CONSTANT: | |
a0720417 MD |
386 | { |
387 | struct declaration_array *array_declaration; | |
388 | size_t len; | |
389 | ||
98df1c9f | 390 | len = first->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
391 | array_declaration = array_declaration_new(len, nested_declaration, |
392 | declaration_scope); | |
98df1c9f MD |
393 | |
394 | if (!array_declaration) { | |
395 | fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); | |
396 | return NULL; | |
397 | } | |
a0720417 MD |
398 | declaration = &array_declaration->p; |
399 | break; | |
400 | } | |
98df1c9f | 401 | case UNARY_STRING: |
a0720417 | 402 | { |
98df1c9f MD |
403 | /* Lookup unsigned integer definition, create sequence */ |
404 | char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length); | |
a0720417 | 405 | struct declaration_sequence *sequence_declaration; |
a0720417 | 406 | |
98df1c9f MD |
407 | sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope); |
408 | if (!sequence_declaration) { | |
409 | fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__); | |
2dd46001 MD |
410 | return NULL; |
411 | } | |
a0720417 MD |
412 | declaration = &sequence_declaration->p; |
413 | break; | |
414 | } | |
415 | default: | |
416 | assert(0); | |
a3cca9e9 MD |
417 | } |
418 | ||
419 | /* Pass it as content of outer container */ | |
420 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 421 | type_specifier_list, field_name, |
a3cca9e9 | 422 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 423 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
424 | return declaration; |
425 | } | |
426 | } | |
427 | ||
428 | static | |
8fdba45b | 429 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 430 | struct declaration_struct *struct_declaration, |
78af2bcd | 431 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 432 | struct cds_list_head *type_declarators, |
e397791f MD |
433 | struct declaration_scope *declaration_scope, |
434 | struct ctf_trace *trace) | |
a3cca9e9 MD |
435 | { |
436 | struct ctf_node *iter; | |
437 | GQuark field_name; | |
438 | ||
439 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
440 | struct declaration *field_declaration; | |
441 | ||
442 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 443 | type_specifier_list, |
a3cca9e9 MD |
444 | &field_name, iter, |
445 | struct_declaration->scope, | |
e397791f | 446 | NULL, trace); |
2dd46001 MD |
447 | if (!field_declaration) { |
448 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
449 | return -EINVAL; | |
450 | } | |
d3006d91 SM |
451 | |
452 | /* Check if field with same name already exists */ | |
453 | if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) { | |
454 | fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name)); | |
455 | return -EINVAL; | |
456 | } | |
457 | ||
a3cca9e9 MD |
458 | struct_declaration_add_field(struct_declaration, |
459 | g_quark_to_string(field_name), | |
460 | field_declaration); | |
461 | } | |
add40b62 MD |
462 | return 0; |
463 | } | |
a3cca9e9 | 464 | |
add40b62 | 465 | static |
8fdba45b | 466 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 467 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 468 | struct ctf_node *type_specifier_list, |
add40b62 | 469 | struct cds_list_head *type_declarators, |
e397791f MD |
470 | struct declaration_scope *declaration_scope, |
471 | struct ctf_trace *trace) | |
add40b62 MD |
472 | { |
473 | struct ctf_node *iter; | |
474 | GQuark field_name; | |
475 | ||
476 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
477 | struct declaration *field_declaration; | |
478 | ||
479 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 480 | type_specifier_list, |
add40b62 | 481 | &field_name, iter, |
a0720417 | 482 | untagged_variant_declaration->scope, |
e397791f | 483 | NULL, trace); |
2dd46001 MD |
484 | if (!field_declaration) { |
485 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
486 | return -EINVAL; | |
487 | } | |
43f9090c SM |
488 | |
489 | if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) { | |
490 | fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name)); | |
491 | return -EINVAL; | |
492 | } | |
493 | ||
494 | ||
a0720417 | 495 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
496 | g_quark_to_string(field_name), |
497 | field_declaration); | |
498 | } | |
a3cca9e9 MD |
499 | return 0; |
500 | } | |
501 | ||
502 | static | |
8fdba45b | 503 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 504 | struct ctf_node *type_specifier_list, |
e397791f MD |
505 | struct cds_list_head *type_declarators, |
506 | struct ctf_trace *trace) | |
a3cca9e9 MD |
507 | { |
508 | struct ctf_node *iter; | |
509 | GQuark identifier; | |
510 | ||
511 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
512 | struct declaration *type_declaration; | |
513 | int ret; | |
514 | ||
515 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 516 | type_specifier_list, |
a3cca9e9 | 517 | &identifier, iter, |
e397791f | 518 | scope, NULL, trace); |
2dd46001 MD |
519 | if (!type_declaration) { |
520 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
521 | return -EINVAL; | |
522 | } | |
523 | /* | |
524 | * Don't allow typedef and typealias of untagged | |
525 | * variants. | |
526 | */ | |
527 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
528 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
529 | declaration_unref(type_declaration); | |
530 | return -EPERM; | |
531 | } | |
a3cca9e9 MD |
532 | ret = register_declaration(identifier, type_declaration, scope); |
533 | if (ret) { | |
534 | type_declaration->declaration_free(type_declaration); | |
535 | return ret; | |
536 | } | |
537 | } | |
538 | return 0; | |
539 | } | |
540 | ||
541 | static | |
8fdba45b | 542 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
543 | struct ctf_node *target, struct ctf_node *alias, |
544 | struct ctf_trace *trace) | |
a3cca9e9 MD |
545 | { |
546 | struct declaration *type_declaration; | |
a0720417 | 547 | struct ctf_node *node; |
add40b62 | 548 | GQuark dummy_id; |
a3cca9e9 | 549 | GQuark alias_q; |
a0720417 | 550 | int err; |
a3cca9e9 MD |
551 | |
552 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
553 | ||
554 | /* | |
555 | * Create target type declaration. | |
556 | */ | |
557 | ||
427c09b7 | 558 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
559 | node = NULL; |
560 | else | |
427c09b7 | 561 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 562 | struct ctf_node, siblings); |
a3cca9e9 | 563 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 564 | target->u.typealias_target.type_specifier_list, |
a0720417 | 565 | &dummy_id, node, |
e397791f | 566 | scope, NULL, trace); |
a3cca9e9 | 567 | if (!type_declaration) { |
78af2bcd | 568 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
569 | err = -EINVAL; |
570 | goto error; | |
571 | } | |
2dd46001 MD |
572 | /* |
573 | * Don't allow typedef and typealias of untagged | |
574 | * variants. | |
575 | */ | |
576 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
577 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
578 | declaration_unref(type_declaration); | |
579 | return -EPERM; | |
580 | } | |
a3cca9e9 MD |
581 | /* |
582 | * The semantic validator does not check whether the target is | |
583 | * abstract or not (if it has an identifier). Check it here. | |
584 | */ | |
585 | if (dummy_id != 0) { | |
78af2bcd | 586 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
587 | err = -EINVAL; |
588 | goto error; | |
589 | } | |
590 | /* | |
591 | * Create alias identifier. | |
592 | */ | |
a3cca9e9 MD |
593 | |
594 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 595 | struct ctf_node, siblings); |
add40b62 | 596 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 597 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
598 | err = register_declaration(alias_q, type_declaration, scope); |
599 | if (err) | |
a3cca9e9 MD |
600 | goto error; |
601 | return 0; | |
602 | ||
603 | error: | |
230da743 SM |
604 | if (type_declaration) { |
605 | type_declaration->declaration_free(type_declaration); | |
606 | } | |
a0720417 | 607 | return err; |
a3cca9e9 MD |
608 | } |
609 | ||
610 | static | |
8fdba45b | 611 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
612 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
613 | struct ctf_trace *trace) | |
a3cca9e9 | 614 | { |
a3cca9e9 MD |
615 | int ret; |
616 | ||
617 | switch (iter->type) { | |
618 | case NODE_TYPEDEF: | |
619 | /* For each declarator, declare type and add type to struct declaration scope */ | |
620 | ret = ctf_typedef_visit(fd, depth, | |
621 | struct_declaration->scope, | |
78af2bcd | 622 | iter->u._typedef.type_specifier_list, |
e397791f | 623 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
624 | if (ret) |
625 | return ret; | |
626 | break; | |
627 | case NODE_TYPEALIAS: | |
628 | /* Declare type with declarator and add type to struct declaration scope */ | |
629 | ret = ctf_typealias_visit(fd, depth, | |
630 | struct_declaration->scope, | |
631 | iter->u.typealias.target, | |
e397791f | 632 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
633 | if (ret) |
634 | return ret; | |
635 | break; | |
636 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
637 | /* Add field to structure declaration */ | |
638 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
639 | struct_declaration, | |
78af2bcd | 640 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
641 | &iter->u.struct_or_variant_declaration.type_declarators, |
642 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
643 | if (ret) |
644 | return ret; | |
645 | break; | |
646 | default: | |
78af2bcd | 647 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
648 | assert(0); |
649 | } | |
650 | return 0; | |
651 | } | |
652 | ||
add40b62 | 653 | static |
8fdba45b | 654 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
655 | struct ctf_node *iter, |
656 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 657 | struct ctf_trace *trace) |
add40b62 | 658 | { |
add40b62 MD |
659 | int ret; |
660 | ||
661 | switch (iter->type) { | |
662 | case NODE_TYPEDEF: | |
663 | /* For each declarator, declare type and add type to variant declaration scope */ | |
664 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 665 | untagged_variant_declaration->scope, |
78af2bcd | 666 | iter->u._typedef.type_specifier_list, |
e397791f | 667 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
668 | if (ret) |
669 | return ret; | |
670 | break; | |
671 | case NODE_TYPEALIAS: | |
672 | /* Declare type with declarator and add type to variant declaration scope */ | |
673 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 674 | untagged_variant_declaration->scope, |
add40b62 | 675 | iter->u.typealias.target, |
e397791f | 676 | iter->u.typealias.alias, trace); |
add40b62 MD |
677 | if (ret) |
678 | return ret; | |
679 | break; | |
680 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
681 | /* Add field to structure declaration */ | |
682 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 683 | untagged_variant_declaration, |
78af2bcd | 684 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
685 | &iter->u.struct_or_variant_declaration.type_declarators, |
686 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
687 | if (ret) |
688 | return ret; | |
689 | break; | |
690 | default: | |
78af2bcd | 691 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
692 | assert(0); |
693 | } | |
694 | return 0; | |
695 | } | |
696 | ||
a3cca9e9 | 697 | static |
a0720417 | 698 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 699 | int depth, const char *name, struct cds_list_head *declaration_list, |
b7e35bad MD |
700 | int has_body, struct cds_list_head *min_align, |
701 | struct declaration_scope *declaration_scope, | |
e397791f | 702 | struct ctf_trace *trace) |
a3cca9e9 | 703 | { |
a3cca9e9 MD |
704 | struct declaration_struct *struct_declaration; |
705 | struct ctf_node *iter; | |
a0720417 | 706 | int ret; |
a3cca9e9 MD |
707 | |
708 | /* | |
709 | * For named struct (without body), lookup in | |
710 | * declaration scope. Don't take reference on struct | |
711 | * declaration: ref is only taken upon definition. | |
712 | */ | |
713 | if (!has_body) { | |
714 | assert(name); | |
715 | struct_declaration = | |
716 | lookup_struct_declaration(g_quark_from_string(name), | |
717 | declaration_scope); | |
a0720417 | 718 | return &struct_declaration->p; |
a3cca9e9 | 719 | } else { |
b7e35bad MD |
720 | uint64_t min_align_value = 0; |
721 | ||
a3cca9e9 MD |
722 | /* For unnamed struct, create type */ |
723 | /* For named struct (with body), create type and add to declaration scope */ | |
724 | if (name) { | |
725 | if (lookup_struct_declaration(g_quark_from_string(name), | |
726 | declaration_scope)) { | |
727 | ||
78af2bcd | 728 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
729 | return NULL; |
730 | } | |
731 | } | |
b7e35bad MD |
732 | if (!cds_list_empty(min_align)) { |
733 | ret = get_unary_unsigned(min_align, &min_align_value); | |
734 | if (ret) { | |
735 | fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); | |
736 | ret = -EINVAL; | |
737 | goto error; | |
738 | } | |
739 | } | |
740 | struct_declaration = struct_declaration_new(declaration_scope, | |
741 | min_align_value); | |
a3cca9e9 | 742 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
743 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
744 | struct_declaration, trace); | |
a3cca9e9 | 745 | if (ret) |
5c551b40 | 746 | goto error_free_declaration; |
a3cca9e9 MD |
747 | } |
748 | if (name) { | |
749 | ret = register_struct_declaration(g_quark_from_string(name), | |
750 | struct_declaration, | |
751 | declaration_scope); | |
752 | assert(!ret); | |
753 | } | |
a0720417 | 754 | return &struct_declaration->p; |
a3cca9e9 | 755 | } |
5c551b40 | 756 | error_free_declaration: |
a3cca9e9 | 757 | struct_declaration->p.declaration_free(&struct_declaration->p); |
5c551b40 | 758 | error: |
a3cca9e9 MD |
759 | return NULL; |
760 | } | |
761 | ||
05628561 | 762 | static |
a0720417 MD |
763 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
764 | int depth, const char *name, const char *choice, | |
765 | struct cds_list_head *declaration_list, | |
e397791f MD |
766 | int has_body, struct declaration_scope *declaration_scope, |
767 | struct ctf_trace *trace) | |
05628561 | 768 | { |
a0720417 | 769 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
770 | struct declaration_variant *variant_declaration; |
771 | struct ctf_node *iter; | |
a0720417 | 772 | int ret; |
de47353a | 773 | |
add40b62 MD |
774 | /* |
775 | * For named variant (without body), lookup in | |
776 | * declaration scope. Don't take reference on variant | |
777 | * declaration: ref is only taken upon definition. | |
778 | */ | |
779 | if (!has_body) { | |
780 | assert(name); | |
a0720417 | 781 | untagged_variant_declaration = |
add40b62 MD |
782 | lookup_variant_declaration(g_quark_from_string(name), |
783 | declaration_scope); | |
add40b62 | 784 | } else { |
de47353a | 785 | /* For unnamed variant, create type */ |
add40b62 MD |
786 | /* For named variant (with body), create type and add to declaration scope */ |
787 | if (name) { | |
788 | if (lookup_variant_declaration(g_quark_from_string(name), | |
789 | declaration_scope)) { | |
790 | ||
78af2bcd | 791 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
792 | return NULL; |
793 | } | |
794 | } | |
a0720417 | 795 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 796 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 797 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 798 | untagged_variant_declaration, trace); |
add40b62 MD |
799 | if (ret) |
800 | goto error; | |
801 | } | |
802 | if (name) { | |
803 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 804 | untagged_variant_declaration, |
add40b62 MD |
805 | declaration_scope); |
806 | assert(!ret); | |
807 | } | |
a0720417 MD |
808 | } |
809 | /* | |
810 | * if tagged, create tagged variant and return. else return | |
811 | * untagged variant. | |
812 | */ | |
813 | if (!choice) { | |
814 | return &untagged_variant_declaration->p; | |
815 | } else { | |
816 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
817 | if (!variant_declaration) | |
818 | goto error; | |
819 | declaration_unref(&untagged_variant_declaration->p); | |
820 | return &variant_declaration->p; | |
de47353a | 821 | } |
add40b62 | 822 | error: |
2dd46001 | 823 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 824 | return NULL; |
05628561 MD |
825 | } |
826 | ||
05628561 | 827 | static |
8fdba45b | 828 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
829 | struct ctf_node *enumerator, |
830 | struct declaration_enum *enum_declaration) | |
831 | { | |
1cfda062 MD |
832 | GQuark q; |
833 | struct ctf_node *iter; | |
834 | ||
835 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 836 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
837 | int64_t start, end; |
838 | int nr_vals = 0; | |
839 | ||
a0720417 | 840 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
841 | int64_t *target; |
842 | ||
843 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
844 | if (nr_vals == 0) | |
845 | target = &start; | |
846 | else | |
847 | target = &end; | |
848 | ||
849 | switch (iter->u.unary_expression.type) { | |
850 | case UNARY_SIGNED_CONSTANT: | |
851 | *target = iter->u.unary_expression.u.signed_constant; | |
852 | break; | |
853 | case UNARY_UNSIGNED_CONSTANT: | |
854 | *target = iter->u.unary_expression.u.unsigned_constant; | |
855 | break; | |
856 | default: | |
78af2bcd | 857 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
858 | return -EINVAL; |
859 | } | |
860 | if (nr_vals > 1) { | |
78af2bcd | 861 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
862 | return -EINVAL; |
863 | } | |
864 | nr_vals++; | |
865 | } | |
866 | if (nr_vals == 1) | |
867 | end = start; | |
868 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 869 | } else { |
1cfda062 MD |
870 | uint64_t start, end; |
871 | int nr_vals = 0; | |
872 | ||
a0720417 MD |
873 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
874 | uint64_t *target; | |
1cfda062 MD |
875 | |
876 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
877 | if (nr_vals == 0) | |
878 | target = &start; | |
879 | else | |
880 | target = &end; | |
881 | ||
882 | switch (iter->u.unary_expression.type) { | |
883 | case UNARY_UNSIGNED_CONSTANT: | |
884 | *target = iter->u.unary_expression.u.unsigned_constant; | |
885 | break; | |
886 | case UNARY_SIGNED_CONSTANT: | |
887 | /* | |
888 | * We don't accept signed constants for enums with unsigned | |
889 | * container type. | |
890 | */ | |
78af2bcd | 891 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
892 | return -EINVAL; |
893 | default: | |
78af2bcd | 894 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
895 | return -EINVAL; |
896 | } | |
897 | if (nr_vals > 1) { | |
78af2bcd | 898 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
899 | return -EINVAL; |
900 | } | |
901 | nr_vals++; | |
902 | } | |
903 | if (nr_vals == 1) | |
904 | end = start; | |
905 | enum_unsigned_insert(enum_declaration, start, end, q); | |
906 | } | |
add40b62 MD |
907 | return 0; |
908 | } | |
909 | ||
910 | static | |
8fdba45b | 911 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 912 | const char *name, |
78af2bcd | 913 | struct ctf_node *container_type, |
add40b62 | 914 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
915 | int has_body, |
916 | struct declaration_scope *declaration_scope, | |
917 | struct ctf_trace *trace) | |
05628561 | 918 | { |
add40b62 MD |
919 | struct declaration *declaration; |
920 | struct declaration_enum *enum_declaration; | |
921 | struct declaration_integer *integer_declaration; | |
78af2bcd | 922 | struct ctf_node *iter; |
1cfda062 | 923 | GQuark dummy_id; |
a0720417 | 924 | int ret; |
add40b62 | 925 | |
05628561 | 926 | /* |
add40b62 MD |
927 | * For named enum (without body), lookup in |
928 | * declaration scope. Don't take reference on enum | |
929 | * declaration: ref is only taken upon definition. | |
05628561 | 930 | */ |
add40b62 MD |
931 | if (!has_body) { |
932 | assert(name); | |
933 | enum_declaration = | |
934 | lookup_enum_declaration(g_quark_from_string(name), | |
935 | declaration_scope); | |
a0720417 | 936 | return &enum_declaration->p; |
add40b62 MD |
937 | } else { |
938 | /* For unnamed enum, create type */ | |
939 | /* For named enum (with body), create type and add to declaration scope */ | |
940 | if (name) { | |
941 | if (lookup_enum_declaration(g_quark_from_string(name), | |
942 | declaration_scope)) { | |
943 | ||
78af2bcd | 944 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
945 | return NULL; |
946 | } | |
947 | } | |
78af2bcd | 948 | if (!container_type) { |
6743829a MD |
949 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
950 | declaration_scope); | |
951 | if (!declaration) { | |
952 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
953 | return NULL; | |
954 | } | |
955 | } else { | |
956 | declaration = ctf_type_declarator_visit(fd, depth, | |
957 | container_type, | |
958 | &dummy_id, NULL, | |
959 | declaration_scope, | |
960 | NULL, trace); | |
1cfda062 | 961 | } |
30ea18a1 MD |
962 | if (!declaration) { |
963 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
964 | return NULL; | |
965 | } | |
966 | if (declaration->id != CTF_TYPE_INTEGER) { | |
967 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
968 | return NULL; | |
1cfda062 | 969 | } |
30ea18a1 | 970 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 971 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
972 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
973 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
974 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
975 | if (ret) | |
976 | goto error; | |
977 | } | |
978 | if (name) { | |
979 | ret = register_enum_declaration(g_quark_from_string(name), | |
980 | enum_declaration, | |
981 | declaration_scope); | |
982 | assert(!ret); | |
983 | } | |
a0720417 | 984 | return &enum_declaration->p; |
05628561 | 985 | } |
add40b62 MD |
986 | error: |
987 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
988 | return NULL; | |
05628561 MD |
989 | } |
990 | ||
991 | static | |
8fdba45b | 992 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 993 | struct ctf_node *type_specifier_list, |
d20f5e59 | 994 | struct declaration_scope *declaration_scope) |
05628561 | 995 | { |
add40b62 MD |
996 | GString *str; |
997 | struct declaration *declaration; | |
a0720417 MD |
998 | char *str_c; |
999 | int ret; | |
1000 | GQuark id_q; | |
05628561 | 1001 | |
a0720417 | 1002 | str = g_string_new(""); |
78af2bcd | 1003 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
1004 | if (ret) |
1005 | return NULL; | |
1006 | str_c = g_string_free(str, FALSE); | |
1007 | id_q = g_quark_from_string(str_c); | |
1008 | g_free(str_c); | |
1009 | declaration = lookup_declaration(id_q, declaration_scope); | |
1010 | return declaration; | |
1011 | } | |
1012 | ||
ab4cf058 MD |
1013 | /* |
1014 | * Returns 0/1 boolean, or < 0 on error. | |
1015 | */ | |
1016 | static | |
a0720417 | 1017 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
1018 | { |
1019 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 1020 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
1021 | __func__); |
1022 | return -EINVAL; | |
1023 | } | |
1024 | switch (unary_expression->u.unary_expression.type) { | |
1025 | case UNARY_UNSIGNED_CONSTANT: | |
1026 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
1027 | return 0; | |
1028 | else | |
1029 | return 1; | |
1030 | case UNARY_SIGNED_CONSTANT: | |
1031 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
1032 | return 0; | |
1033 | else | |
1034 | return 1; | |
1035 | case UNARY_STRING: | |
1036 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
1037 | return 1; | |
1038 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
1039 | return 1; | |
1040 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
1041 | return 0; | |
1042 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
1043 | return 0; | |
1044 | else { | |
78af2bcd | 1045 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
1046 | __func__, unary_expression->u.unary_expression.u.string); |
1047 | return -EINVAL; | |
1048 | } | |
1049 | break; | |
1050 | default: | |
78af2bcd | 1051 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
1052 | __func__); |
1053 | return -EINVAL; | |
1054 | } | |
1055 | ||
1056 | } | |
1057 | ||
0f980a35 MD |
1058 | static |
1059 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1060 | { | |
1061 | int byte_order; | |
1062 | ||
1063 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1064 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1065 | __func__); | |
1066 | return -EINVAL; | |
1067 | } | |
1068 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1069 | byte_order = BIG_ENDIAN; | |
1070 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1071 | byte_order = LITTLE_ENDIAN; | |
1072 | else { | |
1073 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1074 | __func__, unary_expression->u.unary_expression.u.string); | |
1075 | return -EINVAL; | |
1076 | } | |
1077 | return byte_order; | |
1078 | } | |
1079 | ||
ab4cf058 | 1080 | static |
a0720417 MD |
1081 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1082 | struct ctf_trace *trace) | |
ab4cf058 MD |
1083 | { |
1084 | int byte_order; | |
1085 | ||
1086 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1087 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1088 | __func__); |
1089 | return -EINVAL; | |
1090 | } | |
1091 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1092 | byte_order = trace->byte_order; | |
1093 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1094 | byte_order = BIG_ENDIAN; | |
1095 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1096 | byte_order = BIG_ENDIAN; | |
1097 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1098 | byte_order = LITTLE_ENDIAN; | |
1099 | else { | |
78af2bcd | 1100 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1101 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1102 | return -EINVAL; |
1103 | } | |
1104 | return byte_order; | |
1105 | } | |
1106 | ||
add40b62 | 1107 | static |
8fdba45b | 1108 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1109 | struct cds_list_head *expressions, |
1110 | struct ctf_trace *trace) | |
add40b62 | 1111 | { |
a0720417 | 1112 | struct ctf_node *expression; |
68262b11 | 1113 | uint64_t alignment = 1, size = 0; |
ab4cf058 MD |
1114 | int byte_order = trace->byte_order; |
1115 | int signedness = 0; | |
add40b62 | 1116 | int has_alignment = 0, has_size = 0; |
4d5fc303 | 1117 | int base = 0; |
81dee1bb | 1118 | enum ctf_string_encoding encoding = CTF_STRING_NONE; |
add40b62 MD |
1119 | struct declaration_integer *integer_declaration; |
1120 | ||
1121 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1122 | struct ctf_node *left, *right; |
add40b62 | 1123 | |
a0720417 MD |
1124 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1125 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1126 | assert(left->u.unary_expression.type == UNARY_STRING); |
1127 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1128 | signedness = get_boolean(fd, depth, right); |
1129 | if (signedness < 0) | |
1130 | return NULL; | |
add40b62 | 1131 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1132 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1133 | if (byte_order < 0) |
1134 | return NULL; | |
add40b62 | 1135 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1136 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1137 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1138 | __func__); |
1139 | return NULL; | |
1140 | } | |
1141 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1142 | has_size = 1; |
1143 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1144 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1145 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1146 | __func__); |
1147 | return NULL; | |
1148 | } | |
1149 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1150 | /* Make sure alignment is a power of two */ |
1151 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1152 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1153 | __func__); | |
1154 | return NULL; | |
1155 | } | |
add40b62 | 1156 | has_alignment = 1; |
164078da MD |
1157 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { |
1158 | switch (right->u.unary_expression.type) { | |
1159 | case UNARY_UNSIGNED_CONSTANT: | |
1160 | switch (right->u.unary_expression.u.unsigned_constant) { | |
1161 | case 2: | |
1162 | case 8: | |
1163 | case 10: | |
1164 | case 16: | |
1165 | base = right->u.unary_expression.u.unsigned_constant; | |
1166 | break; | |
1167 | default: | |
1168 | fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", | |
1169 | __func__, right->u.unary_expression.u.unsigned_constant); | |
1170 | return NULL; | |
1171 | } | |
1172 | break; | |
1173 | case UNARY_STRING: | |
1174 | { | |
1175 | char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1176 | if (!s_right) { | |
1177 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1178 | g_free(s_right); | |
1179 | return NULL; | |
1180 | } | |
1181 | if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") | |
1182 | || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { | |
1183 | base = 10; | |
1184 | } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") | |
1185 | || !strcmp(s_right, "x") || !strcmp(s_right, "X") | |
1186 | || !strcmp(s_right, "p")) { | |
1187 | base = 16; | |
1188 | } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") | |
1189 | || !strcmp(s_right, "o")) { | |
1190 | base = 8; | |
1191 | } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { | |
1192 | base = 2; | |
1193 | } else { | |
1194 | fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); | |
1195 | g_free(s_right); | |
1196 | return NULL; | |
1197 | } | |
1198 | ||
1199 | g_free(s_right); | |
1200 | break; | |
1201 | } | |
1202 | default: | |
1203 | fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", | |
1204 | __func__); | |
1205 | return NULL; | |
1206 | } | |
81dee1bb MD |
1207 | } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) { |
1208 | char *s_right; | |
1209 | ||
1210 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1211 | fprintf(fd, "[error] %s: encoding: expecting unary string\n", | |
1212 | __func__); | |
1213 | return NULL; | |
1214 | } | |
1215 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1216 | if (!s_right) { | |
1217 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1218 | g_free(s_right); | |
1219 | return NULL; | |
1220 | } | |
1221 | if (!strcmp(s_right, "UTF8") | |
1222 | || !strcmp(s_right, "utf8") | |
1223 | || !strcmp(s_right, "utf-8") | |
1224 | || !strcmp(s_right, "UTF-8")) | |
1225 | encoding = CTF_STRING_UTF8; | |
1226 | else if (!strcmp(s_right, "ASCII") | |
1227 | || !strcmp(s_right, "ascii")) | |
1228 | encoding = CTF_STRING_ASCII; | |
b5bf4179 MD |
1229 | else if (!strcmp(s_right, "none")) |
1230 | encoding = CTF_STRING_NONE; | |
81dee1bb MD |
1231 | else { |
1232 | fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right); | |
1233 | g_free(s_right); | |
1234 | return NULL; | |
1235 | } | |
1236 | g_free(s_right); | |
73d15916 MD |
1237 | } else if (!strcmp(left->u.unary_expression.u.string, "map")) { |
1238 | char *s_right; | |
1239 | ||
1240 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1241 | fprintf(fd, "[error] %s: map: expecting identifier\n", | |
1242 | __func__); | |
1243 | return NULL; | |
1244 | } | |
1245 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1246 | if (!s_right) { | |
1247 | fprintf(fd, "[error] %s: unexpected unary expression for integer map\n", __func__); | |
1248 | g_free(s_right); | |
1249 | return NULL; | |
1250 | } | |
1251 | /* TODO: lookup */ | |
1252 | ||
add40b62 | 1253 | } else { |
b3ab6665 | 1254 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
add40b62 | 1255 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1256 | /* Fall-through after warning */ |
add40b62 | 1257 | } |
05628561 | 1258 | } |
add40b62 | 1259 | if (!has_size) { |
78af2bcd | 1260 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1261 | return NULL; |
1262 | } | |
ab4cf058 MD |
1263 | if (!has_alignment) { |
1264 | if (size % CHAR_BIT) { | |
1265 | /* bit-packed alignment */ | |
1266 | alignment = 1; | |
1267 | } else { | |
1268 | /* byte-packed alignment */ | |
1269 | alignment = CHAR_BIT; | |
1270 | } | |
1271 | } | |
add40b62 | 1272 | integer_declaration = integer_declaration_new(size, |
81dee1bb MD |
1273 | byte_order, signedness, alignment, |
1274 | base, encoding); | |
add40b62 | 1275 | return &integer_declaration->p; |
05628561 MD |
1276 | } |
1277 | ||
ab4cf058 | 1278 | static |
8fdba45b | 1279 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1280 | struct cds_list_head *expressions, |
1281 | struct ctf_trace *trace) | |
1282 | { | |
a0720417 | 1283 | struct ctf_node *expression; |
5c551b40 MD |
1284 | uint64_t alignment = 1, exp_dig = 0, mant_dig = 0, |
1285 | byte_order = trace->byte_order; | |
ab4cf058 MD |
1286 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; |
1287 | struct declaration_float *float_declaration; | |
1288 | ||
1289 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1290 | struct ctf_node *left, *right; |
ab4cf058 | 1291 | |
a0720417 MD |
1292 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1293 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1294 | assert(left->u.unary_expression.type == UNARY_STRING); |
1295 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1296 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1297 | if (byte_order < 0) |
1298 | return NULL; | |
1299 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1300 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1301 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1302 | __func__); |
1303 | return NULL; | |
1304 | } | |
1305 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1306 | has_exp_dig = 1; | |
1307 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1308 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1309 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1310 | __func__); |
1311 | return NULL; | |
1312 | } | |
1313 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1314 | has_mant_dig = 1; | |
1315 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1316 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1317 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1318 | __func__); |
1319 | return NULL; | |
1320 | } | |
1321 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1322 | /* Make sure alignment is a power of two */ |
1323 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1324 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1325 | __func__); | |
1326 | return NULL; | |
1327 | } | |
ab4cf058 MD |
1328 | has_alignment = 1; |
1329 | } else { | |
b3ab6665 | 1330 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
ab4cf058 | 1331 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1332 | /* Fall-through after warning */ |
ab4cf058 MD |
1333 | } |
1334 | } | |
1335 | if (!has_mant_dig) { | |
78af2bcd | 1336 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1337 | return NULL; |
1338 | } | |
1339 | if (!has_exp_dig) { | |
78af2bcd | 1340 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1341 | return NULL; |
1342 | } | |
1343 | if (!has_alignment) { | |
1344 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1345 | /* bit-packed alignment */ | |
1346 | alignment = 1; | |
1347 | } else { | |
1348 | /* byte-packed alignment */ | |
1349 | alignment = CHAR_BIT; | |
1350 | } | |
1351 | } | |
1352 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1353 | byte_order, alignment); | |
1354 | return &float_declaration->p; | |
1355 | } | |
1356 | ||
1357 | static | |
8fdba45b | 1358 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1359 | struct cds_list_head *expressions, |
1360 | struct ctf_trace *trace) | |
1361 | { | |
a0720417 | 1362 | struct ctf_node *expression; |
ab4cf058 MD |
1363 | const char *encoding_c = NULL; |
1364 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1365 | struct declaration_string *string_declaration; | |
1366 | ||
1367 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1368 | struct ctf_node *left, *right; |
ab4cf058 | 1369 | |
a0720417 MD |
1370 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1371 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1372 | assert(left->u.unary_expression.type == UNARY_STRING); |
1373 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1374 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1375 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1376 | __func__); |
1377 | return NULL; | |
1378 | } | |
1379 | encoding_c = right->u.unary_expression.u.string; | |
1380 | } else { | |
b3ab6665 | 1381 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
ab4cf058 | 1382 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1383 | /* Fall-through after warning */ |
ab4cf058 MD |
1384 | } |
1385 | } | |
1386 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1387 | encoding = CTF_STRING_ASCII; | |
1388 | string_declaration = string_declaration_new(encoding); | |
1389 | return &string_declaration->p; | |
1390 | } | |
1391 | ||
1392 | ||
05628561 | 1393 | static |
78af2bcd MD |
1394 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1395 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1396 | struct declaration_scope *declaration_scope, |
1397 | struct ctf_trace *trace) | |
05628561 | 1398 | { |
a0720417 | 1399 | struct ctf_node *first; |
78af2bcd | 1400 | struct ctf_node *node; |
d20f5e59 | 1401 | |
427c09b7 MD |
1402 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1403 | ||
78af2bcd | 1404 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1405 | |
78af2bcd MD |
1406 | assert(first->type == NODE_TYPE_SPECIFIER); |
1407 | ||
1408 | node = first->u.type_specifier.node; | |
1409 | ||
1410 | switch (first->u.type_specifier.type) { | |
1411 | case TYPESPEC_FLOATING_POINT: | |
1412 | return ctf_declaration_floating_point_visit(fd, depth, | |
1413 | &node->u.floating_point.expressions, trace); | |
1414 | case TYPESPEC_INTEGER: | |
1415 | return ctf_declaration_integer_visit(fd, depth, | |
1416 | &node->u.integer.expressions, trace); | |
1417 | case TYPESPEC_STRING: | |
1418 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1419 | &node->u.string.expressions, trace); |
78af2bcd | 1420 | case TYPESPEC_STRUCT: |
add40b62 | 1421 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1422 | node->u._struct.name, |
1423 | &node->u._struct.declaration_list, | |
1424 | node->u._struct.has_body, | |
b7e35bad | 1425 | &node->u._struct.min_align, |
ab4cf058 MD |
1426 | declaration_scope, |
1427 | trace); | |
78af2bcd | 1428 | case TYPESPEC_VARIANT: |
add40b62 | 1429 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1430 | node->u.variant.name, |
1431 | node->u.variant.choice, | |
1432 | &node->u.variant.declaration_list, | |
1433 | node->u.variant.has_body, | |
ab4cf058 MD |
1434 | declaration_scope, |
1435 | trace); | |
78af2bcd | 1436 | case TYPESPEC_ENUM: |
add40b62 | 1437 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1438 | node->u._enum.enum_id, |
1439 | node->u._enum.container_type, | |
1440 | &node->u._enum.enumerator_list, | |
1441 | node->u._enum.has_body, | |
1cfda062 | 1442 | declaration_scope, |
ab4cf058 | 1443 | trace); |
78af2bcd MD |
1444 | |
1445 | case TYPESPEC_VOID: | |
1446 | case TYPESPEC_CHAR: | |
1447 | case TYPESPEC_SHORT: | |
1448 | case TYPESPEC_INT: | |
1449 | case TYPESPEC_LONG: | |
1450 | case TYPESPEC_FLOAT: | |
1451 | case TYPESPEC_DOUBLE: | |
1452 | case TYPESPEC_SIGNED: | |
1453 | case TYPESPEC_UNSIGNED: | |
1454 | case TYPESPEC_BOOL: | |
1455 | case TYPESPEC_COMPLEX: | |
1456 | case TYPESPEC_IMAGINARY: | |
1457 | case TYPESPEC_CONST: | |
1458 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1459 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1460 | type_specifier_list, declaration_scope); |
a0720417 | 1461 | default: |
78af2bcd | 1462 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1463 | return NULL; |
add40b62 | 1464 | } |
05628561 MD |
1465 | } |
1466 | ||
1467 | static | |
1468 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1469 | { | |
1470 | int ret = 0; | |
1471 | ||
1472 | switch (node->type) { | |
1473 | case NODE_TYPEDEF: | |
1474 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1475 | event->declaration_scope, |
78af2bcd | 1476 | node->u._typedef.type_specifier_list, |
05628561 | 1477 | &node->u._typedef.type_declarators, |
a0720417 | 1478 | trace); |
05628561 MD |
1479 | if (ret) |
1480 | return ret; | |
1481 | break; | |
1482 | case NODE_TYPEALIAS: | |
1483 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1484 | event->declaration_scope, |
1485 | node->u.typealias.target, node->u.typealias.alias, | |
1486 | trace); | |
05628561 MD |
1487 | if (ret) |
1488 | return ret; | |
1489 | break; | |
1490 | case NODE_CTF_EXPRESSION: | |
1491 | { | |
1492 | char *left; | |
1493 | ||
1494 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1495 | if (!strcmp(left, "name")) { | |
1496 | char *right; | |
1497 | ||
427c09b7 MD |
1498 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1499 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1500 | ret = -EPERM; |
1501 | goto error; | |
427c09b7 | 1502 | } |
05628561 MD |
1503 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1504 | if (!right) { | |
78af2bcd | 1505 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1506 | ret = -EINVAL; |
1507 | goto error; | |
05628561 MD |
1508 | } |
1509 | event->name = g_quark_from_string(right); | |
41253107 | 1510 | g_free(right); |
05628561 MD |
1511 | CTF_EVENT_SET_FIELD(event, name); |
1512 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1513 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1514 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1515 | ret = -EPERM; |
1516 | goto error; | |
427c09b7 | 1517 | } |
05628561 MD |
1518 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1519 | if (ret) { | |
78af2bcd | 1520 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1521 | ret = -EINVAL; |
1522 | goto error; | |
05628561 MD |
1523 | } |
1524 | CTF_EVENT_SET_FIELD(event, id); | |
1525 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1526 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1527 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1528 | ret = -EPERM; |
1529 | goto error; | |
427c09b7 | 1530 | } |
05628561 MD |
1531 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1532 | if (ret) { | |
78af2bcd | 1533 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1534 | ret = -EINVAL; |
1535 | goto error; | |
05628561 MD |
1536 | } |
1537 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1538 | if (!event->stream) { | |
78af2bcd | 1539 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1540 | ret = -EINVAL; |
1541 | goto error; | |
05628561 | 1542 | } |
05628561 MD |
1543 | CTF_EVENT_SET_FIELD(event, stream_id); |
1544 | } else if (!strcmp(left, "context")) { | |
1545 | struct declaration *declaration; | |
1546 | ||
427c09b7 MD |
1547 | if (event->context_decl) { |
1548 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1549 | ret = -EINVAL; |
1550 | goto error; | |
427c09b7 | 1551 | } |
78af2bcd MD |
1552 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1553 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1554 | struct ctf_node, siblings), | |
ab4cf058 | 1555 | event->declaration_scope, trace); |
0f980a35 MD |
1556 | if (!declaration) { |
1557 | ret = -EPERM; | |
1558 | goto error; | |
1559 | } | |
1560 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1561 | ret = -EPERM; | |
1562 | goto error; | |
1563 | } | |
9e29e16e | 1564 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1565 | } else if (!strcmp(left, "fields")) { |
1566 | struct declaration *declaration; | |
1567 | ||
427c09b7 MD |
1568 | if (event->fields_decl) { |
1569 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1570 | ret = -EINVAL; |
1571 | goto error; | |
427c09b7 | 1572 | } |
78af2bcd MD |
1573 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1574 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1575 | struct ctf_node, siblings), | |
ab4cf058 | 1576 | event->declaration_scope, trace); |
0f980a35 MD |
1577 | if (!declaration) { |
1578 | ret = -EPERM; | |
1579 | goto error; | |
1580 | } | |
1581 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1582 | ret = -EPERM; | |
1583 | goto error; | |
1584 | } | |
9e29e16e | 1585 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
d86d62f8 MD |
1586 | } else if (!strcmp(left, "loglevel.identifier")) { |
1587 | char *right; | |
1588 | ||
1589 | if (CTF_EVENT_FIELD_IS_SET(event, loglevel_identifier)) { | |
1590 | fprintf(fd, "[error] %s: identifier already declared in event declaration\n", __func__); | |
1591 | ret = -EPERM; | |
1592 | goto error; | |
1593 | } | |
1594 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
1595 | if (!right) { | |
1596 | fprintf(fd, "[error] %s: unexpected unary expression for event identifier\n", __func__); | |
1597 | ret = -EINVAL; | |
1598 | goto error; | |
1599 | } | |
1600 | event->loglevel_identifier = g_quark_from_string(right); | |
1601 | g_free(right); | |
1602 | CTF_EVENT_SET_FIELD(event, loglevel_identifier); | |
1603 | } else if (!strcmp(left, "loglevel.value")) { | |
1604 | if (CTF_EVENT_FIELD_IS_SET(event, loglevel_value)) { | |
1605 | fprintf(fd, "[error] %s: loglevel value already declared in event declaration\n", __func__); | |
1606 | ret = -EPERM; | |
1607 | goto error; | |
1608 | } | |
1609 | ret = get_unary_signed(&node->u.ctf_expression.right, &event->loglevel_value); | |
1610 | if (ret) { | |
1611 | fprintf(fd, "[error] %s: unexpected unary expression for event loglevel value\n", __func__); | |
1612 | ret = -EINVAL; | |
1613 | goto error; | |
1614 | } | |
1615 | CTF_EVENT_SET_FIELD(event, loglevel_value); | |
98df1c9f | 1616 | } else { |
b3ab6665 MD |
1617 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); |
1618 | /* Fall-through after warning */ | |
05628561 | 1619 | } |
0f980a35 | 1620 | error: |
41253107 | 1621 | g_free(left); |
05628561 MD |
1622 | break; |
1623 | } | |
1624 | default: | |
1625 | return -EPERM; | |
1626 | /* TODO: declaration specifier should be added. */ | |
1627 | } | |
1628 | ||
0f980a35 | 1629 | return ret; |
05628561 MD |
1630 | } |
1631 | ||
1632 | static | |
1633 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1634 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1635 | { |
1636 | int ret = 0; | |
1637 | struct ctf_node *iter; | |
1638 | struct ctf_event *event; | |
1639 | ||
1640 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1641 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 MD |
1642 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1643 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1644 | if (ret) | |
1645 | goto error; | |
1646 | } | |
1647 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1648 | ret = -EPERM; | |
427c09b7 | 1649 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1650 | goto error; |
1651 | } | |
05628561 | 1652 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1653 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1654 | switch (trace->streams->len) { |
1655 | case 0: /* Create stream if there was none. */ | |
1656 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1657 | if (ret) | |
1658 | goto error; | |
1659 | /* Fall-through */ | |
1660 | case 1: | |
0f980a35 MD |
1661 | event->stream_id = 0; |
1662 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1663 | break; |
1664 | default: | |
0f980a35 MD |
1665 | ret = -EPERM; |
1666 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1667 | goto error; | |
1668 | } | |
05628561 | 1669 | } |
8c572eba MD |
1670 | /* Allow only one event without id per stream */ |
1671 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1672 | && event->stream->events_by_id->len != 0) { | |
1673 | ret = -EPERM; | |
1674 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1675 | goto error; | |
1676 | } | |
05628561 MD |
1677 | if (event->stream->events_by_id->len <= event->id) |
1678 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1679 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1680 | g_hash_table_insert(event->stream->event_quark_to_id, | |
1681 | (gpointer)(unsigned long) event->name, | |
1682 | &event->id); | |
1683 | return 0; | |
1684 | ||
1685 | error: | |
98df1c9f MD |
1686 | if (event->fields_decl) |
1687 | declaration_unref(&event->fields_decl->p); | |
1688 | if (event->context_decl) | |
1689 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1690 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1691 | g_free(event); |
1692 | return ret; | |
1693 | } | |
1694 | ||
1695 | ||
1696 | static | |
aa6bffae | 1697 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) |
05628561 MD |
1698 | { |
1699 | int ret = 0; | |
1700 | ||
1701 | switch (node->type) { | |
1702 | case NODE_TYPEDEF: | |
1703 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1704 | stream->declaration_scope, |
78af2bcd | 1705 | node->u._typedef.type_specifier_list, |
05628561 | 1706 | &node->u._typedef.type_declarators, |
a0720417 | 1707 | trace); |
05628561 MD |
1708 | if (ret) |
1709 | return ret; | |
1710 | break; | |
1711 | case NODE_TYPEALIAS: | |
1712 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1713 | stream->declaration_scope, |
1714 | node->u.typealias.target, node->u.typealias.alias, | |
1715 | trace); | |
05628561 MD |
1716 | if (ret) |
1717 | return ret; | |
1718 | break; | |
1719 | case NODE_CTF_EXPRESSION: | |
1720 | { | |
1721 | char *left; | |
1722 | ||
1723 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1724 | if (!strcmp(left, "id")) { |
1725 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1726 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1727 | ret = -EPERM; |
1728 | goto error; | |
427c09b7 | 1729 | } |
a0720417 | 1730 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1731 | if (ret) { |
427c09b7 | 1732 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1733 | ret = -EINVAL; |
1734 | goto error; | |
05628561 | 1735 | } |
a0720417 | 1736 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1737 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1738 | struct declaration *declaration; |
1739 | ||
427c09b7 MD |
1740 | if (stream->event_header_decl) { |
1741 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1742 | ret = -EINVAL; |
1743 | goto error; | |
427c09b7 | 1744 | } |
78af2bcd MD |
1745 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1746 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1747 | struct ctf_node, siblings), | |
a0720417 | 1748 | stream->declaration_scope, trace); |
0f980a35 MD |
1749 | if (!declaration) { |
1750 | ret = -EPERM; | |
1751 | goto error; | |
1752 | } | |
1753 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1754 | ret = -EPERM; | |
1755 | goto error; | |
1756 | } | |
9e29e16e MD |
1757 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1758 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1759 | struct declaration *declaration; |
1760 | ||
427c09b7 MD |
1761 | if (stream->event_context_decl) { |
1762 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1763 | ret = -EINVAL; |
1764 | goto error; | |
427c09b7 | 1765 | } |
78af2bcd MD |
1766 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1767 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1768 | struct ctf_node, siblings), | |
ab4cf058 | 1769 | stream->declaration_scope, trace); |
0f980a35 MD |
1770 | if (!declaration) { |
1771 | ret = -EPERM; | |
1772 | goto error; | |
1773 | } | |
1774 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1775 | ret = -EPERM; | |
1776 | goto error; | |
1777 | } | |
9e29e16e MD |
1778 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1779 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1780 | struct declaration *declaration; |
1781 | ||
427c09b7 MD |
1782 | if (stream->packet_context_decl) { |
1783 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1784 | ret = -EINVAL; |
1785 | goto error; | |
427c09b7 | 1786 | } |
78af2bcd MD |
1787 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1788 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1789 | struct ctf_node, siblings), | |
ab4cf058 | 1790 | stream->declaration_scope, trace); |
0f980a35 MD |
1791 | if (!declaration) { |
1792 | ret = -EPERM; | |
1793 | goto error; | |
1794 | } | |
1795 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1796 | ret = -EPERM; | |
1797 | goto error; | |
1798 | } | |
9e29e16e | 1799 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f | 1800 | } else { |
b3ab6665 MD |
1801 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left); |
1802 | /* Fall-through after warning */ | |
05628561 | 1803 | } |
98df1c9f | 1804 | |
0f980a35 | 1805 | error: |
41253107 | 1806 | g_free(left); |
05628561 MD |
1807 | break; |
1808 | } | |
1809 | default: | |
1810 | return -EPERM; | |
1811 | /* TODO: declaration specifier should be added. */ | |
1812 | } | |
1813 | ||
0f980a35 | 1814 | return ret; |
05628561 MD |
1815 | } |
1816 | ||
1817 | static | |
1818 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1819 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1820 | { |
1821 | int ret = 0; | |
1822 | struct ctf_node *iter; | |
aa6bffae | 1823 | struct ctf_stream_class *stream; |
05628561 | 1824 | |
aa6bffae | 1825 | stream = g_new0(struct ctf_stream_class, 1); |
d20f5e59 | 1826 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1827 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1828 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
2d0bea29 | 1829 | stream->streams = g_ptr_array_new(); |
33105c61 MD |
1830 | if (node) { |
1831 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1832 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1833 | if (ret) | |
1834 | goto error; | |
1835 | } | |
05628561 | 1836 | } |
0f980a35 MD |
1837 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1838 | /* check that packet header has stream_id field. */ | |
1839 | if (!trace->packet_header_decl | |
1840 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1841 | ret = -EPERM; | |
1842 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1843 | goto error; | |
1844 | } | |
8c572eba MD |
1845 | } else { |
1846 | /* Allow only one id-less stream */ | |
1847 | if (trace->streams->len != 0) { | |
1848 | ret = -EPERM; | |
1849 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1850 | goto error; | |
1851 | } | |
1852 | stream->stream_id = 0; | |
05628561 MD |
1853 | } |
1854 | if (trace->streams->len <= stream->stream_id) | |
1855 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1856 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
82662ad4 | 1857 | stream->trace = trace; |
9e29e16e | 1858 | |
05628561 MD |
1859 | return 0; |
1860 | ||
1861 | error: | |
98df1c9f MD |
1862 | if (stream->event_header_decl) |
1863 | declaration_unref(&stream->event_header_decl->p); | |
1864 | if (stream->event_context_decl) | |
1865 | declaration_unref(&stream->event_context_decl->p); | |
1866 | if (stream->packet_context_decl) | |
1867 | declaration_unref(&stream->packet_context_decl->p); | |
2d0bea29 | 1868 | g_ptr_array_free(stream->streams, TRUE); |
05628561 | 1869 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1870 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1871 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1872 | g_free(stream); |
1873 | return ret; | |
1874 | } | |
1875 | ||
1876 | static | |
1877 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1878 | { | |
1879 | int ret = 0; | |
1880 | ||
1881 | switch (node->type) { | |
1882 | case NODE_TYPEDEF: | |
1883 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1884 | trace->declaration_scope, |
78af2bcd | 1885 | node->u._typedef.type_specifier_list, |
05628561 | 1886 | &node->u._typedef.type_declarators, |
a0720417 | 1887 | trace); |
05628561 MD |
1888 | if (ret) |
1889 | return ret; | |
1890 | break; | |
1891 | case NODE_TYPEALIAS: | |
1892 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1893 | trace->declaration_scope, |
1894 | node->u.typealias.target, node->u.typealias.alias, | |
1895 | trace); | |
05628561 MD |
1896 | if (ret) |
1897 | return ret; | |
1898 | break; | |
1899 | case NODE_CTF_EXPRESSION: | |
1900 | { | |
1901 | char *left; | |
1902 | ||
1903 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1904 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1905 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1906 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1907 | ret = -EPERM; |
1908 | goto error; | |
427c09b7 | 1909 | } |
05628561 MD |
1910 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1911 | if (ret) { | |
78af2bcd | 1912 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1913 | ret = -EINVAL; |
1914 | goto error; | |
05628561 | 1915 | } |
a0720417 | 1916 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1917 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1918 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1919 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1920 | ret = -EPERM; |
1921 | goto error; | |
427c09b7 | 1922 | } |
05628561 MD |
1923 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1924 | if (ret) { | |
78af2bcd | 1925 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1926 | ret = -EINVAL; |
1927 | goto error; | |
05628561 | 1928 | } |
a0720417 | 1929 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1930 | } else if (!strcmp(left, "uuid")) { |
b4c19c1e | 1931 | uuid_t uuid; |
a0fe7d97 MD |
1932 | |
1933 | ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid); | |
05628561 | 1934 | if (ret) { |
78af2bcd | 1935 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1936 | ret = -EINVAL; |
1937 | goto error; | |
05628561 | 1938 | } |
b4c19c1e MD |
1939 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid) |
1940 | && uuid_compare(uuid, trace->uuid)) { | |
1941 | fprintf(fd, "[error] %s: uuid mismatch\n", __func__); | |
1942 | ret = -EPERM; | |
1943 | goto error; | |
a0fe7d97 MD |
1944 | } else { |
1945 | memcpy(trace->uuid, uuid, sizeof(uuid)); | |
b4c19c1e | 1946 | } |
a0720417 | 1947 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
1948 | } else if (!strcmp(left, "byte_order")) { |
1949 | struct ctf_node *right; | |
1950 | int byte_order; | |
1951 | ||
0f980a35 MD |
1952 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); |
1953 | byte_order = get_trace_byte_order(fd, depth, right); | |
1954 | if (byte_order < 0) | |
1955 | return -EINVAL; | |
a0fe7d97 MD |
1956 | |
1957 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order) | |
1958 | && byte_order != trace->byte_order) { | |
1959 | fprintf(fd, "[error] %s: endianness mismatch\n", __func__); | |
1960 | ret = -EPERM; | |
1961 | goto error; | |
1962 | } else { | |
fdce39de MD |
1963 | if (byte_order != trace->byte_order) { |
1964 | trace->byte_order = byte_order; | |
1965 | /* | |
1966 | * We need to restart | |
1967 | * construction of the | |
1968 | * intermediate representation. | |
1969 | */ | |
2e0c6b58 MD |
1970 | trace->field_mask = 0; |
1971 | CTF_TRACE_SET_FIELD(trace, byte_order); | |
1972 | ret = -EINTR; | |
1973 | goto error; | |
fdce39de | 1974 | } |
a0fe7d97 | 1975 | } |
7c8a1386 | 1976 | CTF_TRACE_SET_FIELD(trace, byte_order); |
0f980a35 MD |
1977 | } else if (!strcmp(left, "packet.header")) { |
1978 | struct declaration *declaration; | |
1979 | ||
1980 | if (trace->packet_header_decl) { | |
1981 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
1982 | ret = -EINVAL; | |
1983 | goto error; | |
1984 | } | |
1985 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
1986 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1987 | struct ctf_node, siblings), | |
1988 | trace->declaration_scope, trace); | |
1989 | if (!declaration) { | |
1990 | ret = -EPERM; | |
1991 | goto error; | |
1992 | } | |
1993 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1994 | ret = -EPERM; | |
1995 | goto error; | |
1996 | } | |
1997 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
98df1c9f | 1998 | } else { |
b3ab6665 | 1999 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left); |
05628561 | 2000 | } |
98df1c9f | 2001 | |
0f980a35 | 2002 | error: |
41253107 | 2003 | g_free(left); |
05628561 MD |
2004 | break; |
2005 | } | |
2006 | default: | |
2007 | return -EPERM; | |
2008 | /* TODO: declaration specifier should be added. */ | |
2009 | } | |
2010 | ||
0f980a35 | 2011 | return ret; |
05628561 MD |
2012 | } |
2013 | ||
05628561 MD |
2014 | static |
2015 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2016 | { | |
2017 | int ret = 0; | |
2018 | struct ctf_node *iter; | |
2019 | ||
d20f5e59 | 2020 | if (trace->declaration_scope) |
05628561 | 2021 | return -EEXIST; |
d20f5e59 | 2022 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
2023 | trace->streams = g_ptr_array_new(); |
2024 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
2025 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
2026 | if (ret) | |
2027 | goto error; | |
2028 | } | |
a0720417 | 2029 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 2030 | ret = -EPERM; |
427c09b7 | 2031 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
2032 | goto error; |
2033 | } | |
a0720417 | 2034 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 2035 | ret = -EPERM; |
427c09b7 | 2036 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
2037 | goto error; |
2038 | } | |
a0720417 | 2039 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 2040 | ret = -EPERM; |
427c09b7 | 2041 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
2042 | goto error; |
2043 | } | |
dc48ecad MD |
2044 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2045 | ret = -EPERM; | |
2046 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
2047 | goto error; | |
2048 | } | |
0f980a35 | 2049 | |
0f980a35 MD |
2050 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2051 | /* check that the packet header contains a "magic" field */ | |
e28d4618 | 2052 | if (!trace->packet_header_decl |
0f980a35 MD |
2053 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { |
2054 | ret = -EPERM; | |
2055 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
98df1c9f | 2056 | goto error; |
0f980a35 MD |
2057 | } |
2058 | } | |
05628561 MD |
2059 | return 0; |
2060 | ||
2061 | error: | |
0d72513f | 2062 | if (trace->packet_header_decl) { |
98df1c9f | 2063 | declaration_unref(&trace->packet_header_decl->p); |
0d72513f MD |
2064 | trace->packet_header_decl = NULL; |
2065 | } | |
05628561 | 2066 | g_ptr_array_free(trace->streams, TRUE); |
a0720417 | 2067 | free_declaration_scope(trace->declaration_scope); |
fdce39de | 2068 | trace->declaration_scope = NULL; |
05628561 MD |
2069 | return ret; |
2070 | } | |
2071 | ||
78af2bcd MD |
2072 | static |
2073 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2074 | { | |
2075 | int ret = 0; | |
2076 | ||
2077 | switch (node->type) { | |
2078 | case NODE_TYPEDEF: | |
2079 | ret = ctf_typedef_visit(fd, depth + 1, | |
2080 | trace->root_declaration_scope, | |
2081 | node->u._typedef.type_specifier_list, | |
2082 | &node->u._typedef.type_declarators, | |
2083 | trace); | |
2084 | if (ret) | |
2085 | return ret; | |
2086 | break; | |
2087 | case NODE_TYPEALIAS: | |
2088 | ret = ctf_typealias_visit(fd, depth + 1, | |
2089 | trace->root_declaration_scope, | |
2090 | node->u.typealias.target, node->u.typealias.alias, | |
2091 | trace); | |
2092 | if (ret) | |
2093 | return ret; | |
2094 | break; | |
2095 | case NODE_TYPE_SPECIFIER_LIST: | |
2096 | { | |
2097 | struct declaration *declaration; | |
2098 | ||
2099 | /* | |
2100 | * Just add the type specifier to the root scope | |
2101 | * declaration scope. Release local reference. | |
2102 | */ | |
2103 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
2104 | node, trace->root_declaration_scope, trace); | |
2105 | if (!declaration) | |
2106 | return -ENOMEM; | |
2107 | declaration_unref(declaration); | |
2108 | break; | |
2109 | } | |
2110 | default: | |
2111 | return -EPERM; | |
2112 | } | |
2113 | ||
2114 | return 0; | |
2115 | } | |
2116 | ||
ab4cf058 MD |
2117 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
2118 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
2119 | { |
2120 | int ret = 0; | |
2121 | struct ctf_node *iter; | |
2122 | ||
c8b219a3 | 2123 | printf_verbose("CTF visitor: metadata construction... "); |
ab4cf058 MD |
2124 | trace->byte_order = byte_order; |
2125 | ||
00f7c1a5 MD |
2126 | retry: |
2127 | trace->root_declaration_scope = new_declaration_scope(NULL); | |
2128 | ||
05628561 MD |
2129 | switch (node->type) { |
2130 | case NODE_ROOT: | |
3e11b713 | 2131 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 2132 | siblings) { |
78af2bcd | 2133 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
2134 | if (ret) { |
2135 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
a0fe7d97 | 2136 | goto error; |
427c09b7 | 2137 | } |
05628561 MD |
2138 | } |
2139 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
2140 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
00f7c1a5 MD |
2141 | if (ret == -EINTR) { |
2142 | free_declaration_scope(trace->root_declaration_scope); | |
2143 | /* | |
2144 | * Need to restart creation of type | |
2145 | * definitions, aliases and | |
2146 | * trace header declarations. | |
2147 | */ | |
2148 | goto retry; | |
2149 | } | |
427c09b7 MD |
2150 | if (ret) { |
2151 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
a0fe7d97 | 2152 | goto error; |
427c09b7 | 2153 | } |
05628561 | 2154 | } |
5039b4cc MD |
2155 | if (!trace->streams) { |
2156 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
a0fe7d97 MD |
2157 | ret = -EINVAL; |
2158 | goto error; | |
5039b4cc | 2159 | } |
05628561 MD |
2160 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
2161 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 2162 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2163 | if (ret) { |
2164 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
a0fe7d97 | 2165 | goto error; |
427c09b7 | 2166 | } |
05628561 MD |
2167 | } |
2168 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2169 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2170 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2171 | if (ret) { |
2172 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
a0fe7d97 | 2173 | goto error; |
427c09b7 | 2174 | } |
05628561 MD |
2175 | } |
2176 | break; | |
05628561 MD |
2177 | case NODE_UNKNOWN: |
2178 | default: | |
78af2bcd | 2179 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 | 2180 | (int) node->type); |
a0fe7d97 MD |
2181 | ret = -EINVAL; |
2182 | goto error; | |
05628561 | 2183 | } |
c8b219a3 | 2184 | printf_verbose("done.\n"); |
05628561 | 2185 | return ret; |
a0fe7d97 MD |
2186 | |
2187 | error: | |
2188 | free_declaration_scope(trace->root_declaration_scope); | |
2189 | return ret; | |
05628561 | 2190 | } |