1 %define api.pure full
2 %parse-param {void *_parse_state}
3 %parse-param {void *scanner}
4 %lex-param {void* scanner}
5 %locations
6
7 %{
8
9 #define YYDEBUG 1
10
11 #include <fnmatch.h>
12 #include <stdio.h>
13 #include <linux/compiler.h>
14 #include <linux/types.h>
15 #include <linux/zalloc.h>
16 #include "pmu.h"
17 #include "evsel.h"
18 #include "parse-events.h"
19 #include "parse-events-bison.h"
20
21 void parse_events_error(YYLTYPE *loc, void *parse_state, void *scanner, char const *msg);
22
23 #define ABORT_ON(val) \
24 do { \
25 if (val) \
26 YYABORT; \
27 } while (0)
28
alloc_list(void)29 static struct list_head* alloc_list(void)
30 {
31 struct list_head *list;
32
33 list = malloc(sizeof(*list));
34 if (!list)
35 return NULL;
36
37 INIT_LIST_HEAD(list);
38 return list;
39 }
40
free_list_evsel(struct list_head * list_evsel)41 static void free_list_evsel(struct list_head* list_evsel)
42 {
43 struct evsel *evsel, *tmp;
44
45 list_for_each_entry_safe(evsel, tmp, list_evsel, core.node) {
46 list_del_init(&evsel->core.node);
47 evsel__delete(evsel);
48 }
49 free(list_evsel);
50 }
51
inc_group_count(struct list_head * list,struct parse_events_state * parse_state)52 static void inc_group_count(struct list_head *list,
53 struct parse_events_state *parse_state)
54 {
55 /* Count groups only have more than 1 members */
56 if (!list_is_last(list->next, list))
57 parse_state->nr_groups++;
58 }
59
60 %}
61
62 %token PE_START_EVENTS PE_START_TERMS
63 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
64 %token PE_VALUE_SYM_TOOL
65 %token PE_EVENT_NAME
66 %token PE_NAME
67 %token PE_BPF_OBJECT PE_BPF_SOURCE
68 %token PE_MODIFIER_EVENT PE_MODIFIER_BP
69 %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
70 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
71 %token PE_ERROR
72 %token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_PMU_EVENT_SUF2 PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
73 %token PE_ARRAY_ALL PE_ARRAY_RANGE
74 %token PE_DRV_CFG_TERM
75 %type <num> PE_VALUE
76 %type <num> PE_VALUE_SYM_HW
77 %type <num> PE_VALUE_SYM_SW
78 %type <num> PE_VALUE_SYM_TOOL
79 %type <num> PE_RAW
80 %type <num> PE_TERM
81 %type <num> value_sym
82 %type <str> PE_NAME
83 %type <str> PE_BPF_OBJECT
84 %type <str> PE_BPF_SOURCE
85 %type <str> PE_NAME_CACHE_TYPE
86 %type <str> PE_NAME_CACHE_OP_RESULT
87 %type <str> PE_MODIFIER_EVENT
88 %type <str> PE_MODIFIER_BP
89 %type <str> PE_EVENT_NAME
90 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_PMU_EVENT_SUF2 PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
91 %type <str> PE_DRV_CFG_TERM
92 %type <str> event_pmu_name
93 %destructor { free ($$); } <str>
94 %type <term> event_term
95 %destructor { parse_events_term__delete ($$); } <term>
96 %type <list_terms> event_config
97 %type <list_terms> opt_event_config
98 %type <list_terms> opt_pmu_config
99 %destructor { parse_events_terms__delete ($$); } <list_terms>
100 %type <list_evsel> event_pmu
101 %type <list_evsel> event_legacy_symbol
102 %type <list_evsel> event_legacy_cache
103 %type <list_evsel> event_legacy_mem
104 %type <list_evsel> event_legacy_tracepoint
105 %type <list_evsel> event_legacy_numeric
106 %type <list_evsel> event_legacy_raw
107 %type <list_evsel> event_bpf_file
108 %type <list_evsel> event_def
109 %type <list_evsel> event_mod
110 %type <list_evsel> event_name
111 %type <list_evsel> event
112 %type <list_evsel> events
113 %type <list_evsel> group_def
114 %type <list_evsel> group
115 %type <list_evsel> groups
116 %destructor { free_list_evsel ($$); } <list_evsel>
117 %type <tracepoint_name> tracepoint_name
118 %destructor { free ($$.sys); free ($$.event); } <tracepoint_name>
119 %type <array> array
120 %type <array> array_term
121 %type <array> array_terms
122 %destructor { free ($$.ranges); } <array>
123
124 %union
125 {
126 char *str;
127 u64 num;
128 struct list_head *list_evsel;
129 struct list_head *list_terms;
130 struct parse_events_term *term;
131 struct tracepoint_name {
132 char *sys;
133 char *event;
134 } tracepoint_name;
135 struct parse_events_array array;
136 }
137 %%
138
139 start:
140 PE_START_EVENTS start_events
141 |
142 PE_START_TERMS start_terms
143
144 start_events: groups
145 {
146 struct parse_events_state *parse_state = _parse_state;
147
148 /* frees $1 */
149 parse_events_update_lists($1, &parse_state->list);
150 }
151
152 groups:
153 groups ',' group
154 {
155 struct list_head *list = $1;
156 struct list_head *group = $3;
157
158 /* frees $3 */
159 parse_events_update_lists(group, list);
160 $$ = list;
161 }
162 |
163 groups ',' event
164 {
165 struct list_head *list = $1;
166 struct list_head *event = $3;
167
168 /* frees $3 */
169 parse_events_update_lists(event, list);
170 $$ = list;
171 }
172 |
173 group
174 |
175 event
176
177 group:
178 group_def ':' PE_MODIFIER_EVENT
179 {
180 struct list_head *list = $1;
181 int err;
182
183 err = parse_events__modifier_group(list, $3);
184 free($3);
185 if (err) {
186 struct parse_events_state *parse_state = _parse_state;
187 struct parse_events_error *error = parse_state->error;
188
189 parse_events_error__handle(error, @3.first_column,
190 strdup("Bad modifier"), NULL);
191 free_list_evsel(list);
192 YYABORT;
193 }
194 $$ = list;
195 }
196 |
197 group_def
198
199 group_def:
200 PE_NAME '{' events '}'
201 {
202 struct list_head *list = $3;
203
204 inc_group_count(list, _parse_state);
205 parse_events__set_leader($1, list, _parse_state);
206 free($1);
207 $$ = list;
208 }
209 |
210 '{' events '}'
211 {
212 struct list_head *list = $2;
213
214 inc_group_count(list, _parse_state);
215 parse_events__set_leader(NULL, list, _parse_state);
216 $$ = list;
217 }
218
219 events:
220 events ',' event
221 {
222 struct list_head *event = $3;
223 struct list_head *list = $1;
224
225 /* frees $3 */
226 parse_events_update_lists(event, list);
227 $$ = list;
228 }
229 |
230 event
231
232 event: event_mod
233
234 event_mod:
235 event_name PE_MODIFIER_EVENT
236 {
237 struct list_head *list = $1;
238 int err;
239
240 /*
241 * Apply modifier on all events added by single event definition
242 * (there could be more events added for multiple tracepoint
243 * definitions via '*?'.
244 */
245 err = parse_events__modifier_event(list, $2, false);
246 free($2);
247 if (err) {
248 struct parse_events_state *parse_state = _parse_state;
249 struct parse_events_error *error = parse_state->error;
250
251 parse_events_error__handle(error, @2.first_column,
252 strdup("Bad modifier"), NULL);
253 free_list_evsel(list);
254 YYABORT;
255 }
256 $$ = list;
257 }
258 |
259 event_name
260
261 event_name:
262 PE_EVENT_NAME event_def
263 {
264 int err;
265
266 err = parse_events_name($2, $1);
267 free($1);
268 if (err) {
269 free_list_evsel($2);
270 YYABORT;
271 }
272 $$ = $2;
273 }
274 |
275 event_def
276
277 event_def: event_pmu |
278 event_legacy_symbol |
279 event_legacy_cache sep_dc |
280 event_legacy_mem |
281 event_legacy_tracepoint sep_dc |
282 event_legacy_numeric sep_dc |
283 event_legacy_raw sep_dc |
284 event_bpf_file
285
286 event_pmu_name:
287 PE_NAME | PE_PMU_EVENT_PRE
288
289 event_pmu:
290 event_pmu_name opt_pmu_config
291 {
292 struct parse_events_state *parse_state = _parse_state;
293 struct parse_events_error *error = parse_state->error;
294 struct list_head *list = NULL, *orig_terms = NULL, *terms= NULL;
295 char *pattern = NULL;
296
297 #define CLEANUP_YYABORT \
298 do { \
299 parse_events_terms__delete($2); \
300 parse_events_terms__delete(orig_terms); \
301 free(list); \
302 free($1); \
303 free(pattern); \
304 YYABORT; \
305 } while(0)
306
307 if (parse_events_copy_term_list($2, &orig_terms))
308 CLEANUP_YYABORT;
309
310 if (error)
311 error->idx = @1.first_column;
312
313 list = alloc_list();
314 if (!list)
315 CLEANUP_YYABORT;
316 if (parse_events_add_pmu(_parse_state, list, $1, $2, false, false)) {
317 struct perf_pmu *pmu = NULL;
318 int ok = 0;
319
320 if (asprintf(&pattern, "%s*", $1) < 0)
321 CLEANUP_YYABORT;
322
323 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
324 char *name = pmu->name;
325
326 if (!strncmp(name, "uncore_", 7) &&
327 strncmp($1, "uncore_", 7))
328 name += 7;
329 if (!perf_pmu__match(pattern, name, $1) ||
330 !perf_pmu__match(pattern, pmu->alias_name, $1)) {
331 if (parse_events_copy_term_list(orig_terms, &terms))
332 CLEANUP_YYABORT;
333 if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true, false))
334 ok++;
335 parse_events_terms__delete(terms);
336 }
337 }
338
339 if (!ok)
340 CLEANUP_YYABORT;
341 }
342 parse_events_terms__delete($2);
343 parse_events_terms__delete(orig_terms);
344 free(pattern);
345 free($1);
346 $$ = list;
347 #undef CLEANUP_YYABORT
348 }
349 |
350 PE_KERNEL_PMU_EVENT sep_dc
351 {
352 struct list_head *list;
353 int err;
354
355 err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list);
356 free($1);
357 if (err < 0)
358 YYABORT;
359 $$ = list;
360 }
361 |
362 PE_KERNEL_PMU_EVENT opt_pmu_config
363 {
364 struct list_head *list;
365 int err;
366
367 /* frees $2 */
368 err = parse_events_multi_pmu_add(_parse_state, $1, $2, &list);
369 free($1);
370 if (err < 0)
371 YYABORT;
372 $$ = list;
373 }
374 |
375 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF '-' PE_PMU_EVENT_SUF2 sep_dc
376 {
377 struct list_head *list;
378 char pmu_name[128];
379 snprintf(pmu_name, sizeof(pmu_name), "%s-%s-%s", $1, $3, $5);
380 free($1);
381 free($3);
382 free($5);
383 if (parse_events_multi_pmu_add(_parse_state, pmu_name, NULL, &list) < 0)
384 YYABORT;
385 $$ = list;
386 }
387 |
388 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
389 {
390 struct list_head *list;
391 char pmu_name[128];
392
393 snprintf(pmu_name, sizeof(pmu_name), "%s-%s", $1, $3);
394 free($1);
395 free($3);
396 if (parse_events_multi_pmu_add(_parse_state, pmu_name, NULL, &list) < 0)
397 YYABORT;
398 $$ = list;
399 }
400 |
401 PE_PMU_EVENT_FAKE sep_dc
402 {
403 struct list_head *list;
404 int err;
405
406 list = alloc_list();
407 if (!list)
408 YYABORT;
409
410 err = parse_events_add_pmu(_parse_state, list, $1, NULL, false, false);
411 free($1);
412 if (err < 0) {
413 free(list);
414 YYABORT;
415 }
416 $$ = list;
417 }
418 |
419 PE_PMU_EVENT_FAKE opt_pmu_config
420 {
421 struct list_head *list;
422 int err;
423
424 list = alloc_list();
425 if (!list)
426 YYABORT;
427
428 err = parse_events_add_pmu(_parse_state, list, $1, $2, false, false);
429 free($1);
430 parse_events_terms__delete($2);
431 if (err < 0) {
432 free(list);
433 YYABORT;
434 }
435 $$ = list;
436 }
437
438 value_sym:
439 PE_VALUE_SYM_HW
440 |
441 PE_VALUE_SYM_SW
442
443 event_legacy_symbol:
444 value_sym '/' event_config '/'
445 {
446 struct list_head *list;
447 int type = $1 >> 16;
448 int config = $1 & 255;
449 int err;
450
451 list = alloc_list();
452 ABORT_ON(!list);
453 err = parse_events_add_numeric(_parse_state, list, type, config, $3);
454 parse_events_terms__delete($3);
455 if (err) {
456 free_list_evsel(list);
457 YYABORT;
458 }
459 $$ = list;
460 }
461 |
462 value_sym sep_slash_slash_dc
463 {
464 struct list_head *list;
465 int type = $1 >> 16;
466 int config = $1 & 255;
467
468 list = alloc_list();
469 ABORT_ON(!list);
470 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL));
471 $$ = list;
472 }
473 |
474 PE_VALUE_SYM_TOOL sep_slash_slash_dc
475 {
476 struct list_head *list;
477
478 list = alloc_list();
479 ABORT_ON(!list);
480 ABORT_ON(parse_events_add_tool(_parse_state, list, $1));
481 $$ = list;
482 }
483
484 event_legacy_cache:
485 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
486 {
487 struct parse_events_state *parse_state = _parse_state;
488 struct parse_events_error *error = parse_state->error;
489 struct list_head *list;
490 int err;
491
492 list = alloc_list();
493 ABORT_ON(!list);
494 err = parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6,
495 parse_state);
496 parse_events_terms__delete($6);
497 free($1);
498 free($3);
499 free($5);
500 if (err) {
501 free_list_evsel(list);
502 YYABORT;
503 }
504 $$ = list;
505 }
506 |
507 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
508 {
509 struct parse_events_state *parse_state = _parse_state;
510 struct parse_events_error *error = parse_state->error;
511 struct list_head *list;
512 int err;
513
514 list = alloc_list();
515 ABORT_ON(!list);
516 err = parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4,
517 parse_state);
518 parse_events_terms__delete($4);
519 free($1);
520 free($3);
521 if (err) {
522 free_list_evsel(list);
523 YYABORT;
524 }
525 $$ = list;
526 }
527 |
528 PE_NAME_CACHE_TYPE opt_event_config
529 {
530 struct parse_events_state *parse_state = _parse_state;
531 struct parse_events_error *error = parse_state->error;
532 struct list_head *list;
533 int err;
534
535 list = alloc_list();
536 ABORT_ON(!list);
537 err = parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2,
538 parse_state);
539 parse_events_terms__delete($2);
540 free($1);
541 if (err) {
542 free_list_evsel(list);
543 YYABORT;
544 }
545 $$ = list;
546 }
547
548 event_legacy_mem:
549 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
550 {
551 struct parse_events_state *parse_state = _parse_state;
552 struct list_head *list;
553 int err;
554
555 list = alloc_list();
556 ABORT_ON(!list);
557 err = parse_events_add_breakpoint(list, &parse_state->idx,
558 $2, $6, $4);
559 free($6);
560 if (err) {
561 free(list);
562 YYABORT;
563 }
564 $$ = list;
565 }
566 |
567 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
568 {
569 struct parse_events_state *parse_state = _parse_state;
570 struct list_head *list;
571
572 list = alloc_list();
573 ABORT_ON(!list);
574 if (parse_events_add_breakpoint(list, &parse_state->idx,
575 $2, NULL, $4)) {
576 free(list);
577 YYABORT;
578 }
579 $$ = list;
580 }
581 |
582 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
583 {
584 struct parse_events_state *parse_state = _parse_state;
585 struct list_head *list;
586 int err;
587
588 list = alloc_list();
589 ABORT_ON(!list);
590 err = parse_events_add_breakpoint(list, &parse_state->idx,
591 $2, $4, 0);
592 free($4);
593 if (err) {
594 free(list);
595 YYABORT;
596 }
597 $$ = list;
598 }
599 |
600 PE_PREFIX_MEM PE_VALUE sep_dc
601 {
602 struct parse_events_state *parse_state = _parse_state;
603 struct list_head *list;
604
605 list = alloc_list();
606 ABORT_ON(!list);
607 if (parse_events_add_breakpoint(list, &parse_state->idx,
608 $2, NULL, 0)) {
609 free(list);
610 YYABORT;
611 }
612 $$ = list;
613 }
614
615 event_legacy_tracepoint:
616 tracepoint_name opt_event_config
617 {
618 struct parse_events_state *parse_state = _parse_state;
619 struct parse_events_error *error = parse_state->error;
620 struct list_head *list;
621 int err;
622
623 list = alloc_list();
624 ABORT_ON(!list);
625 if (error)
626 error->idx = @1.first_column;
627
628 err = parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
629 error, $2);
630
631 parse_events_terms__delete($2);
632 free($1.sys);
633 free($1.event);
634 if (err) {
635 free(list);
636 YYABORT;
637 }
638 $$ = list;
639 }
640
641 tracepoint_name:
642 PE_NAME '-' PE_NAME ':' PE_NAME
643 {
644 struct tracepoint_name tracepoint;
645
646 ABORT_ON(asprintf(&tracepoint.sys, "%s-%s", $1, $3) < 0);
647 tracepoint.event = $5;
648 free($1);
649 free($3);
650 $$ = tracepoint;
651 }
652 |
653 PE_NAME ':' PE_NAME
654 {
655 struct tracepoint_name tracepoint = {$1, $3};
656
657 $$ = tracepoint;
658 }
659
660 event_legacy_numeric:
661 PE_VALUE ':' PE_VALUE opt_event_config
662 {
663 struct list_head *list;
664 int err;
665
666 list = alloc_list();
667 ABORT_ON(!list);
668 err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4);
669 parse_events_terms__delete($4);
670 if (err) {
671 free(list);
672 YYABORT;
673 }
674 $$ = list;
675 }
676
677 event_legacy_raw:
678 PE_RAW opt_event_config
679 {
680 struct list_head *list;
681 int err;
682
683 list = alloc_list();
684 ABORT_ON(!list);
685 err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2);
686 parse_events_terms__delete($2);
687 if (err) {
688 free(list);
689 YYABORT;
690 }
691 $$ = list;
692 }
693
694 event_bpf_file:
695 PE_BPF_OBJECT opt_event_config
696 {
697 struct parse_events_state *parse_state = _parse_state;
698 struct list_head *list;
699 int err;
700
701 list = alloc_list();
702 ABORT_ON(!list);
703 err = parse_events_load_bpf(parse_state, list, $1, false, $2);
704 parse_events_terms__delete($2);
705 free($1);
706 if (err) {
707 free(list);
708 YYABORT;
709 }
710 $$ = list;
711 }
712 |
713 PE_BPF_SOURCE opt_event_config
714 {
715 struct list_head *list;
716 int err;
717
718 list = alloc_list();
719 ABORT_ON(!list);
720 err = parse_events_load_bpf(_parse_state, list, $1, true, $2);
721 parse_events_terms__delete($2);
722 if (err) {
723 free(list);
724 YYABORT;
725 }
726 $$ = list;
727 }
728
729 opt_event_config:
730 '/' event_config '/'
731 {
732 $$ = $2;
733 }
734 |
735 '/' '/'
736 {
737 $$ = NULL;
738 }
739 |
740 {
741 $$ = NULL;
742 }
743
744 opt_pmu_config:
745 '/' event_config '/'
746 {
747 $$ = $2;
748 }
749 |
750 '/' '/'
751 {
752 $$ = NULL;
753 }
754
755 start_terms: event_config
756 {
757 struct parse_events_state *parse_state = _parse_state;
758 if (parse_state->terms) {
759 parse_events_terms__delete ($1);
760 YYABORT;
761 }
762 parse_state->terms = $1;
763 }
764
765 event_config:
766 event_config ',' event_term
767 {
768 struct list_head *head = $1;
769 struct parse_events_term *term = $3;
770
771 if (!head) {
772 parse_events_term__delete(term);
773 YYABORT;
774 }
775 list_add_tail(&term->list, head);
776 $$ = $1;
777 }
778 |
779 event_term
780 {
781 struct list_head *head = malloc(sizeof(*head));
782 struct parse_events_term *term = $1;
783
784 ABORT_ON(!head);
785 INIT_LIST_HEAD(head);
786 list_add_tail(&term->list, head);
787 $$ = head;
788 }
789
790 event_term:
791 PE_RAW
792 {
793 struct parse_events_term *term;
794
795 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_CONFIG,
796 NULL, $1, false, &@1, NULL));
797 $$ = term;
798 }
799 |
800 PE_NAME '=' PE_NAME
801 {
802 struct parse_events_term *term;
803
804 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
805 $1, $3, &@1, &@3)) {
806 free($1);
807 free($3);
808 YYABORT;
809 }
810 $$ = term;
811 }
812 |
813 PE_NAME '=' PE_VALUE
814 {
815 struct parse_events_term *term;
816
817 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
818 $1, $3, false, &@1, &@3)) {
819 free($1);
820 YYABORT;
821 }
822 $$ = term;
823 }
824 |
825 PE_NAME '=' PE_VALUE_SYM_HW
826 {
827 struct parse_events_term *term;
828 int config = $3 & 255;
829
830 if (parse_events_term__sym_hw(&term, $1, config)) {
831 free($1);
832 YYABORT;
833 }
834 $$ = term;
835 }
836 |
837 PE_NAME
838 {
839 struct parse_events_term *term;
840
841 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
842 $1, 1, true, &@1, NULL)) {
843 free($1);
844 YYABORT;
845 }
846 $$ = term;
847 }
848 |
849 PE_VALUE_SYM_HW
850 {
851 struct parse_events_term *term;
852 int config = $1 & 255;
853
854 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
855 $$ = term;
856 }
857 |
858 PE_TERM '=' PE_NAME
859 {
860 struct parse_events_term *term;
861
862 if (parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3)) {
863 free($3);
864 YYABORT;
865 }
866 $$ = term;
867 }
868 |
869 PE_TERM '=' PE_VALUE
870 {
871 struct parse_events_term *term;
872
873 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
874 $$ = term;
875 }
876 |
877 PE_TERM
878 {
879 struct parse_events_term *term;
880
881 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
882 $$ = term;
883 }
884 |
885 PE_NAME array '=' PE_NAME
886 {
887 struct parse_events_term *term;
888
889 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
890 $1, $4, &@1, &@4)) {
891 free($1);
892 free($4);
893 free($2.ranges);
894 YYABORT;
895 }
896 term->array = $2;
897 $$ = term;
898 }
899 |
900 PE_NAME array '=' PE_VALUE
901 {
902 struct parse_events_term *term;
903
904 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
905 $1, $4, false, &@1, &@4)) {
906 free($1);
907 free($2.ranges);
908 YYABORT;
909 }
910 term->array = $2;
911 $$ = term;
912 }
913 |
914 PE_DRV_CFG_TERM
915 {
916 struct parse_events_term *term;
917 char *config = strdup($1);
918
919 ABORT_ON(!config);
920 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
921 config, $1, &@1, NULL)) {
922 free($1);
923 free(config);
924 YYABORT;
925 }
926 $$ = term;
927 }
928
929 array:
930 '[' array_terms ']'
931 {
932 $$ = $2;
933 }
934 |
935 PE_ARRAY_ALL
936 {
937 $$.nr_ranges = 0;
938 $$.ranges = NULL;
939 }
940
941 array_terms:
942 array_terms ',' array_term
943 {
944 struct parse_events_array new_array;
945
946 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
947 new_array.ranges = realloc($1.ranges,
948 sizeof(new_array.ranges[0]) *
949 new_array.nr_ranges);
950 ABORT_ON(!new_array.ranges);
951 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
952 $3.nr_ranges * sizeof(new_array.ranges[0]));
953 free($3.ranges);
954 $$ = new_array;
955 }
956 |
957 array_term
958
959 array_term:
960 PE_VALUE
961 {
962 struct parse_events_array array;
963
964 array.nr_ranges = 1;
965 array.ranges = malloc(sizeof(array.ranges[0]));
966 ABORT_ON(!array.ranges);
967 array.ranges[0].start = $1;
968 array.ranges[0].length = 1;
969 $$ = array;
970 }
971 |
972 PE_VALUE PE_ARRAY_RANGE PE_VALUE
973 {
974 struct parse_events_array array;
975
976 ABORT_ON($3 < $1);
977 array.nr_ranges = 1;
978 array.ranges = malloc(sizeof(array.ranges[0]));
979 ABORT_ON(!array.ranges);
980 array.ranges[0].start = $1;
981 array.ranges[0].length = $3 - $1 + 1;
982 $$ = array;
983 }
984
985 sep_dc: ':' |
986
987 sep_slash_slash_dc: '/' '/' | ':' |
988
989 %%
990
991 void parse_events_error(YYLTYPE *loc, void *parse_state,
992 void *scanner __maybe_unused,
993 char const *msg __maybe_unused)
994 {
995 parse_events_evlist_error(parse_state, loc->last_column, "parser error");
996 }
997