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v5.4
 1%option prefix="perf_pmu_"
 
 
 2
 3%{
 4#include <stdlib.h>
 5#include <linux/bitops.h>
 6#include "pmu.h"
 7#include "pmu-bison.h"
 8
 9static int value(int base)
 
 
 
10{
 
 
11	long num;
12
13	errno = 0;
14	num = strtoul(perf_pmu_text, NULL, base);
15	if (errno)
16		return PP_ERROR;
17
18	perf_pmu_lval.num = num;
19	return PP_VALUE;
20}
21
22%}
23
24num_dec         [0-9]+
25
26%%
27
28{num_dec}	{ return value(10); }
29config		{ return PP_CONFIG; }
30config1		{ return PP_CONFIG1; }
31config2		{ return PP_CONFIG2; }
32-		{ return '-'; }
33:		{ return ':'; }
34,		{ return ','; }
35.		{ ; }
36\n		{ ; }
37
38%%
39
40int perf_pmu_wrap(void)
41{
42	return 1;
43}
v6.8
 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
11char *perf_pmu_get_text(yyscan_t yyscanner);
12YYSTYPE *perf_pmu_get_lval(yyscan_t yyscanner);
13
14static 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
31num_dec         [0-9]+
32
33%%
34
35{num_dec}	{ return value(yyscanner, 10); }
36config		{ return PP_CONFIG; }
 
 
37-		{ return '-'; }
38:		{ return ':'; }
39,		{ return ','; }
40.		{ ; }
41\n		{ ; }
42
43%%
44
45int perf_pmu_wrap(void *scanner __maybe_unused)
46{
47	return 1;
48}