1 %option prefix="perf_pmu_"
2 %option reentrant
3 %option bison-bridge
4
5 %{
6 #include <stdlib.h>
7 #include <linux/bitops.h>
8 #include "pmu.h"
9 #include "pmu-bison.h"
10
11 char *perf_pmu_get_text(yyscan_t yyscanner);
12 YYSTYPE *perf_pmu_get_lval(yyscan_t yyscanner);
13
14 static int value(yyscan_t scanner, int base)
15 {
16 YYSTYPE *yylval = perf_pmu_get_lval(scanner);
17 char *text = perf_pmu_get_text(scanner);
18 long num;
19
20 errno = 0;
21 num = strtoul(text, NULL, base);
22 if (errno)
23 return PP_ERROR;
24
25 yylval->num = num;
26 return PP_VALUE;
27 }
28
29 %}
30
31 num_dec [0-9]+
32
33 %%
34
35 {num_dec} { return value(yyscanner, 10); }
36 config { return PP_CONFIG; }
37 - { return '-'; }
38 : { return ':'; }
39 , { return ','; }
40 . { ; }
41 \n { ; }
42
43 %%
44
45 int perf_pmu_wrap(void *scanner __maybe_unused)
46 {
47 return 1;
48 }
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