288 static int find_field_offset(struct btf *btf, char *pattern, regmatch_t *matches)  in find_field_offset()  argument
292 	char *type   = pattern + matches[1].rm_so;  in find_field_offset()
293 	char *field  = pattern + matches[2].rm_so;  in find_field_offset()
391 	char *pattern = pattern_origin;  in print_match_error()  local
396 	while (*pattern || *text) {  in print_match_error()
421 		while (*pattern && *pattern != ';') {  in print_match_error()
422 			if (pattern == pattern_pos)  in print_match_error()
424 			fputc(*pattern, out);  in print_match_error()
425 			++pattern;  in print_match_error()
428 		if (pattern == pattern_pos)  in print_match_error()
432 		if (*pattern)  in print_match_error()
433 			++pattern;  in print_match_error()
487 static bool match_pattern(struct btf *btf, char *pattern, char *text, char *reg_map[][2])  in match_pattern()  argument
489 	char *pattern_origin = pattern;  in match_pattern()
494 	while (*pattern) {  in match_pattern()
499 		if (isspace(*pattern) || *pattern == ';') {  in match_pattern()
502 			pattern = skip_space_and_semi(pattern);  in match_pattern()
511 			pattern_next = match_str(pattern, reg_map[i][0]);  in match_pattern()
519 			pattern = pattern_next;  in match_pattern()
527 		if (strncmp(pattern, "$(", 2) == 0) {  in match_pattern()
528 			char *group_start = pattern, *text_next;  in match_pattern()
531 			pattern += 2;  in match_pattern()
536 				pattern = skip_space(pattern);  in match_pattern()
537 				if (!*pattern) {  in match_pattern()
542 				if (*pattern == ')') {  in match_pattern()
543 					++pattern;  in match_pattern()
547 				if (*pattern == '+') {  in match_pattern()
548 					++pattern;  in match_pattern()
552 				printf("pattern: %s\n", pattern);  in match_pattern()
553 				if (regexec(field_regex, pattern, 3, matches, 0) != 0) {  in match_pattern()
558 				field_offset = find_field_offset(btf, pattern, matches);  in match_pattern()
562 				pattern += matches[0].rm_eo;  in match_pattern()
569 					   (int)(pattern - group_start),  in match_pattern()
580 		if (regexec(field_regex, pattern, 3, matches, 0) == 0) {  in match_pattern()
584 			field_offset = find_field_offset(btf, pattern, matches);  in match_pattern()
591 					   (int)matches[0].rm_eo, pattern, field_offset);  in match_pattern()
595 			pattern += matches[0].rm_eo;  in match_pattern()
604 		if (regexec(ident_regex, pattern, 1, matches, 0) == 0) {  in match_pattern()
605 			if (strncmp(pattern, text, matches[0].rm_eo) != 0)  in match_pattern()
608 			pattern += matches[0].rm_eo;  in match_pattern()
614 		if (*pattern != *text)  in match_pattern()
617 		++pattern;  in match_pattern()
625 	print_match_error(stdout, pattern_origin, text_origin, pattern, text);  in match_pattern()
740 			  char *pattern,  in match_program()  argument
791 	ASSERT_TRUE(match_pattern(btf, pattern, text, reg_map),  in match_program()
873 			char *pattern = test->write_stx ? test->write_stx : test->write;  in run_one_testcase()  local
878 			match_program(btf, &pinfo, pattern, stx_reg_map, true);  in run_one_testcase()
882 			char *pattern = test->write_st ? test->write_st : test->write;  in run_one_testcase()  local
887 			match_program(btf, &pinfo, pattern, st_reg_map, false);  in run_one_testcase()