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67905e42 MD |
1 | /* |
2 | * ctf-visitor-parent-links.c | |
3 | * | |
4 | * Common Trace Format Metadata Parent Link Creator. | |
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> | |
26 | #include <errno.h> | |
c8b219a3 | 27 | #include <babeltrace/babeltrace.h> |
67905e42 MD |
28 | #include <babeltrace/list.h> |
29 | #include "ctf-scanner.h" | |
30 | #include "ctf-parser.h" | |
31 | #include "ctf-ast.h" | |
32 | ||
34f7b02c | 33 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) |
67905e42 MD |
34 | |
35 | static | |
36 | int ctf_visitor_unary_expression(FILE *fd, int depth, struct ctf_node *node) | |
37 | { | |
38 | int ret = 0; | |
39 | ||
40 | switch (node->u.unary_expression.link) { | |
41 | case UNARY_LINK_UNKNOWN: | |
42 | case UNARY_DOTLINK: | |
43 | case UNARY_ARROWLINK: | |
44 | case UNARY_DOTDOTDOT: | |
45 | break; | |
46 | default: | |
47 | fprintf(fd, "[error] %s: unknown expression link type %d\n", __func__, | |
48 | (int) node->u.unary_expression.link); | |
49 | return -EINVAL; | |
50 | } | |
51 | ||
52 | switch (node->u.unary_expression.type) { | |
53 | case UNARY_STRING: | |
54 | case UNARY_SIGNED_CONSTANT: | |
55 | case UNARY_UNSIGNED_CONSTANT: | |
56 | break; | |
57 | case UNARY_SBRAC: | |
58 | node->u.unary_expression.u.sbrac_exp->parent = node; | |
59 | ret = ctf_visitor_unary_expression(fd, depth + 1, | |
60 | node->u.unary_expression.u.sbrac_exp); | |
61 | if (ret) | |
62 | return ret; | |
63 | break; | |
64 | case UNARY_NESTED: | |
65 | node->u.unary_expression.u.nested_exp->parent = node; | |
66 | ret = ctf_visitor_unary_expression(fd, depth + 1, | |
67 | node->u.unary_expression.u.nested_exp); | |
68 | if (ret) | |
69 | return ret; | |
70 | break; | |
71 | ||
72 | case UNARY_UNKNOWN: | |
73 | default: | |
74 | fprintf(fd, "[error] %s: unknown expression type %d\n", __func__, | |
75 | (int) node->u.unary_expression.type); | |
76 | return -EINVAL; | |
77 | } | |
78 | return 0; | |
79 | } | |
80 | ||
81 | static | |
82 | int ctf_visitor_type_specifier(FILE *fd, int depth, struct ctf_node *node) | |
83 | { | |
3e11b713 MD |
84 | int ret; |
85 | ||
67905e42 MD |
86 | switch (node->u.type_specifier.type) { |
87 | case TYPESPEC_VOID: | |
88 | case TYPESPEC_CHAR: | |
89 | case TYPESPEC_SHORT: | |
90 | case TYPESPEC_INT: | |
91 | case TYPESPEC_LONG: | |
92 | case TYPESPEC_FLOAT: | |
93 | case TYPESPEC_DOUBLE: | |
94 | case TYPESPEC_SIGNED: | |
95 | case TYPESPEC_UNSIGNED: | |
96 | case TYPESPEC_BOOL: | |
97 | case TYPESPEC_COMPLEX: | |
3888a159 | 98 | case TYPESPEC_IMAGINARY: |
67905e42 MD |
99 | case TYPESPEC_CONST: |
100 | case TYPESPEC_ID_TYPE: | |
101 | break; | |
3e11b713 MD |
102 | case TYPESPEC_FLOATING_POINT: |
103 | case TYPESPEC_INTEGER: | |
104 | case TYPESPEC_STRING: | |
105 | case TYPESPEC_STRUCT: | |
106 | case TYPESPEC_VARIANT: | |
107 | case TYPESPEC_ENUM: | |
108 | node->u.type_specifier.node->parent = node; | |
109 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u.type_specifier.node); | |
110 | if (ret) | |
111 | return ret; | |
112 | break; | |
67905e42 MD |
113 | |
114 | case TYPESPEC_UNKNOWN: | |
115 | default: | |
116 | fprintf(fd, "[error] %s: unknown type specifier %d\n", __func__, | |
117 | (int) node->u.type_specifier.type); | |
118 | return -EINVAL; | |
119 | } | |
120 | return 0; | |
121 | } | |
122 | ||
123 | static | |
124 | int ctf_visitor_type_declarator(FILE *fd, int depth, struct ctf_node *node) | |
125 | { | |
126 | int ret = 0; | |
127 | struct ctf_node *iter; | |
128 | ||
129 | depth++; | |
130 | ||
98df1c9f MD |
131 | cds_list_for_each_entry(iter, &node->u.type_declarator.pointers, |
132 | siblings) { | |
133 | iter->parent = node; | |
134 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
135 | if (ret) | |
136 | return ret; | |
67905e42 MD |
137 | } |
138 | ||
139 | switch (node->u.type_declarator.type) { | |
140 | case TYPEDEC_ID: | |
141 | break; | |
142 | case TYPEDEC_NESTED: | |
143 | if (node->u.type_declarator.u.nested.type_declarator) { | |
144 | node->u.type_declarator.u.nested.type_declarator->parent = node; | |
145 | ret = ctf_visitor_parent_links(fd, depth + 1, | |
146 | node->u.type_declarator.u.nested.type_declarator); | |
147 | if (ret) | |
148 | return ret; | |
149 | } | |
7c7835b0 MD |
150 | if (!node->u.type_declarator.u.nested.abstract_array) { |
151 | cds_list_for_each_entry(iter, &node->u.type_declarator.u.nested.length, | |
152 | siblings) { | |
153 | iter->parent = node; | |
154 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
155 | if (ret) | |
156 | return ret; | |
157 | } | |
67905e42 MD |
158 | } |
159 | if (node->u.type_declarator.bitfield_len) { | |
160 | node->u.type_declarator.bitfield_len = node; | |
161 | ret = ctf_visitor_parent_links(fd, depth + 1, | |
162 | node->u.type_declarator.bitfield_len); | |
163 | if (ret) | |
164 | return ret; | |
165 | } | |
166 | break; | |
167 | case TYPEDEC_UNKNOWN: | |
168 | default: | |
169 | fprintf(fd, "[error] %s: unknown type declarator %d\n", __func__, | |
170 | (int) node->u.type_declarator.type); | |
171 | return -EINVAL; | |
172 | } | |
173 | depth--; | |
174 | return 0; | |
175 | } | |
176 | ||
177 | int ctf_visitor_parent_links(FILE *fd, int depth, struct ctf_node *node) | |
178 | { | |
179 | int ret = 0; | |
180 | struct ctf_node *iter; | |
181 | ||
182 | switch (node->type) { | |
183 | case NODE_ROOT: | |
3e11b713 | 184 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, siblings) { |
67905e42 MD |
185 | iter->parent = node; |
186 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
187 | if (ret) | |
188 | return ret; | |
189 | } | |
190 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
191 | iter->parent = node; | |
192 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
193 | if (ret) | |
194 | return ret; | |
195 | } | |
196 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { | |
197 | iter->parent = node; | |
198 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
199 | if (ret) | |
200 | return ret; | |
201 | } | |
202 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
203 | iter->parent = node; | |
204 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
205 | if (ret) | |
206 | return ret; | |
207 | } | |
208 | break; | |
209 | ||
210 | case NODE_EVENT: | |
211 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { | |
212 | iter->parent = node; | |
213 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
214 | if (ret) | |
215 | return ret; | |
216 | } | |
217 | break; | |
218 | case NODE_STREAM: | |
219 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
220 | iter->parent = node; | |
221 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
222 | if (ret) | |
223 | return ret; | |
224 | } | |
225 | break; | |
226 | case NODE_TRACE: | |
227 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
228 | iter->parent = node; | |
229 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
230 | if (ret) | |
231 | return ret; | |
232 | } | |
233 | break; | |
234 | ||
235 | case NODE_CTF_EXPRESSION: | |
236 | depth++; | |
237 | cds_list_for_each_entry(iter, &node->u.ctf_expression.left, siblings) { | |
238 | iter->parent = node; | |
239 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
240 | if (ret) | |
241 | return ret; | |
242 | } | |
243 | cds_list_for_each_entry(iter, &node->u.ctf_expression.right, siblings) { | |
244 | iter->parent = node; | |
245 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
246 | if (ret) | |
247 | return ret; | |
248 | } | |
249 | depth--; | |
250 | break; | |
251 | case NODE_UNARY_EXPRESSION: | |
252 | return ctf_visitor_unary_expression(fd, depth, node); | |
253 | ||
254 | case NODE_TYPEDEF: | |
255 | depth++; | |
3e11b713 MD |
256 | node->u._typedef.type_specifier_list->parent = node; |
257 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u._typedef.type_specifier_list); | |
258 | if (ret) | |
259 | return ret; | |
67905e42 MD |
260 | cds_list_for_each_entry(iter, &node->u._typedef.type_declarators, siblings) { |
261 | iter->parent = node; | |
262 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
263 | if (ret) | |
264 | return ret; | |
265 | } | |
266 | depth--; | |
267 | break; | |
268 | case NODE_TYPEALIAS_TARGET: | |
269 | depth++; | |
3e11b713 MD |
270 | node->u.typealias_target.type_specifier_list->parent = node; |
271 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u.typealias_target.type_specifier_list); | |
272 | if (ret) | |
273 | return ret; | |
67905e42 MD |
274 | cds_list_for_each_entry(iter, &node->u.typealias_target.type_declarators, siblings) { |
275 | iter->parent = node; | |
276 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
277 | if (ret) | |
278 | return ret; | |
279 | } | |
280 | depth--; | |
281 | break; | |
282 | case NODE_TYPEALIAS_ALIAS: | |
283 | depth++; | |
3e11b713 MD |
284 | node->u.typealias_alias.type_specifier_list->parent = node; |
285 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u.typealias_alias.type_specifier_list); | |
286 | if (ret) | |
287 | return ret; | |
67905e42 MD |
288 | cds_list_for_each_entry(iter, &node->u.typealias_alias.type_declarators, siblings) { |
289 | iter->parent = node; | |
290 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
291 | if (ret) | |
292 | return ret; | |
293 | } | |
294 | depth--; | |
295 | break; | |
296 | case NODE_TYPEALIAS: | |
297 | node->u.typealias.target->parent = node; | |
298 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u.typealias.target); | |
299 | if (ret) | |
300 | return ret; | |
301 | node->u.typealias.alias->parent = node; | |
302 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u.typealias.alias); | |
303 | if (ret) | |
304 | return ret; | |
305 | break; | |
306 | ||
3e11b713 MD |
307 | case NODE_TYPE_SPECIFIER_LIST: |
308 | cds_list_for_each_entry(iter, &node->u.type_specifier_list.head, siblings) { | |
309 | iter->parent = node; | |
310 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
311 | if (ret) | |
312 | return ret; | |
313 | } | |
314 | break; | |
315 | ||
67905e42 MD |
316 | case NODE_TYPE_SPECIFIER: |
317 | ret = ctf_visitor_type_specifier(fd, depth, node); | |
318 | if (ret) | |
319 | return ret; | |
320 | break; | |
321 | case NODE_POINTER: | |
322 | break; | |
323 | case NODE_TYPE_DECLARATOR: | |
324 | ret = ctf_visitor_type_declarator(fd, depth, node); | |
325 | if (ret) | |
326 | return ret; | |
327 | break; | |
328 | ||
329 | case NODE_FLOATING_POINT: | |
330 | cds_list_for_each_entry(iter, &node->u.floating_point.expressions, siblings) { | |
331 | iter->parent = node; | |
332 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
333 | if (ret) | |
334 | return ret; | |
335 | } | |
336 | break; | |
337 | case NODE_INTEGER: | |
338 | cds_list_for_each_entry(iter, &node->u.integer.expressions, siblings) { | |
339 | iter->parent = node; | |
340 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
341 | if (ret) | |
342 | return ret; | |
343 | } | |
344 | break; | |
345 | case NODE_STRING: | |
346 | cds_list_for_each_entry(iter, &node->u.string.expressions, siblings) { | |
347 | iter->parent = node; | |
348 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
349 | if (ret) | |
350 | return ret; | |
351 | } | |
352 | break; | |
353 | case NODE_ENUMERATOR: | |
67905e42 MD |
354 | cds_list_for_each_entry(iter, &node->u.enumerator.values, siblings) { |
355 | iter->parent = node; | |
356 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
357 | if (ret) | |
358 | return ret; | |
359 | } | |
360 | break; | |
361 | case NODE_ENUM: | |
67905e42 | 362 | depth++; |
6743829a MD |
363 | if (node->u._enum.container_type) { |
364 | ret = ctf_visitor_parent_links(fd, depth + 1, node->u._enum.container_type); | |
365 | if (ret) | |
366 | return ret; | |
367 | } | |
67905e42 MD |
368 | |
369 | cds_list_for_each_entry(iter, &node->u._enum.enumerator_list, siblings) { | |
370 | iter->parent = node; | |
371 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
372 | if (ret) | |
373 | return ret; | |
374 | } | |
375 | depth--; | |
376 | break; | |
377 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
3e11b713 MD |
378 | node->u.struct_or_variant_declaration.type_specifier_list->parent = node; |
379 | ret = ctf_visitor_parent_links(fd, depth + 1, | |
380 | node->u.struct_or_variant_declaration.type_specifier_list); | |
381 | if (ret) | |
382 | return ret; | |
67905e42 MD |
383 | cds_list_for_each_entry(iter, &node->u.struct_or_variant_declaration.type_declarators, siblings) { |
384 | iter->parent = node; | |
385 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
386 | if (ret) | |
387 | return ret; | |
388 | } | |
389 | break; | |
390 | case NODE_VARIANT: | |
67905e42 MD |
391 | cds_list_for_each_entry(iter, &node->u.variant.declaration_list, siblings) { |
392 | iter->parent = node; | |
393 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
394 | if (ret) | |
395 | return ret; | |
396 | } | |
397 | break; | |
398 | case NODE_STRUCT: | |
399 | cds_list_for_each_entry(iter, &node->u._struct.declaration_list, siblings) { | |
400 | iter->parent = node; | |
401 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
402 | if (ret) | |
403 | return ret; | |
404 | } | |
b7e35bad MD |
405 | cds_list_for_each_entry(iter, &node->u._struct.min_align, |
406 | siblings) { | |
407 | iter->parent = node; | |
408 | ret = ctf_visitor_parent_links(fd, depth + 1, iter); | |
409 | if (ret) | |
410 | return ret; | |
411 | } | |
67905e42 MD |
412 | break; |
413 | ||
414 | case NODE_UNKNOWN: | |
415 | default: | |
416 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, | |
417 | (int) node->type); | |
418 | return -EINVAL; | |
419 | } | |
420 | return ret; | |
421 | } |