8f707d843c
Adding a new rule to the event grammar to be able to specify
values of additional attributes of symbolic event.
The new syntax for event symbolic definition is:
event_legacy_symbol: PE_NAME_SYM '/' event_config '/' |
PE_NAME_SYM sep_slash_dc
event_config: event_config ',' event_term | event_term
event_term: PE_NAME '=' PE_NAME |
PE_NAME '=' PE_VALUE
PE_NAME
sep_slash_dc: '/' | ':' |
At the moment the config options are hardcoded to be used for legacy
symbol events to define several perf_event_attr fields. It is:
'config' to define perf_event_attr::config
'config1' to define perf_event_attr::config1
'config2' to define perf_event_attr::config2
'period' to define perf_event_attr::sample_period
Legacy events could be now specified as:
cycles/period=100000/
If term is specified without the value assignment, then 1 is
assigned by default.
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-mgkavww9790jbt2jdkooyv4q@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
317 lines
7.2 KiB
C
317 lines
7.2 KiB
C
#ifndef parse_events_HEADER_H
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#define parse_events_HEADER_H 1
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#define parse_events_IN_HEADER 1
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#line 6 "util/parse-events-flex.h"
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#define YY_INT_ALIGNED short int
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/* A lexical scanner generated by flex */
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#define FLEX_SCANNER
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#define YY_FLEX_MAJOR_VERSION 2
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#define YY_FLEX_MINOR_VERSION 5
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#define YY_FLEX_SUBMINOR_VERSION 35
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#if YY_FLEX_SUBMINOR_VERSION > 0
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#define FLEX_BETA
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#endif
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/* First, we deal with platform-specific or compiler-specific issues. */
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/* begin standard C headers. */
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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/* end standard C headers. */
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/* flex integer type definitions */
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#ifndef FLEXINT_H
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#define FLEXINT_H
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/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
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* if you want the limit (max/min) macros for int types.
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS 1
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#endif
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#include <inttypes.h>
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typedef int8_t flex_int8_t;
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typedef uint8_t flex_uint8_t;
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typedef int16_t flex_int16_t;
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typedef uint16_t flex_uint16_t;
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typedef int32_t flex_int32_t;
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typedef uint32_t flex_uint32_t;
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#else
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typedef signed char flex_int8_t;
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typedef short int flex_int16_t;
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typedef int flex_int32_t;
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typedef unsigned char flex_uint8_t;
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typedef unsigned short int flex_uint16_t;
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typedef unsigned int flex_uint32_t;
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#endif /* ! C99 */
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/* Limits of integral types. */
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#ifndef INT8_MIN
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#define INT8_MIN (-128)
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#endif
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#ifndef INT16_MIN
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#define INT16_MIN (-32767-1)
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#endif
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#ifndef INT32_MIN
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#define INT32_MIN (-2147483647-1)
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#endif
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#ifndef INT8_MAX
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#define INT8_MAX (127)
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#endif
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#ifndef INT16_MAX
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#define INT16_MAX (32767)
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#endif
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#ifndef INT32_MAX
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#define INT32_MAX (2147483647)
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#endif
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#ifndef UINT8_MAX
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#define UINT8_MAX (255U)
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#endif
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#ifndef UINT16_MAX
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#define UINT16_MAX (65535U)
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#endif
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#ifndef UINT32_MAX
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#define UINT32_MAX (4294967295U)
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#endif
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#endif /* ! FLEXINT_H */
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#ifdef __cplusplus
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/* The "const" storage-class-modifier is valid. */
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#define YY_USE_CONST
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#else /* ! __cplusplus */
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/* C99 requires __STDC__ to be defined as 1. */
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#if defined (__STDC__)
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#define YY_USE_CONST
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#endif /* defined (__STDC__) */
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#endif /* ! __cplusplus */
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#ifdef YY_USE_CONST
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#define yyconst const
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#else
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#define yyconst
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#endif
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/* Size of default input buffer. */
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#ifndef YY_BUF_SIZE
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#define YY_BUF_SIZE 16384
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#endif
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#ifndef YY_TYPEDEF_YY_BUFFER_STATE
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#define YY_TYPEDEF_YY_BUFFER_STATE
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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#endif
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extern int parse_events_leng;
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extern FILE *parse_events_in, *parse_events_out;
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#ifndef YY_TYPEDEF_YY_SIZE_T
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#define YY_TYPEDEF_YY_SIZE_T
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typedef size_t yy_size_t;
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#endif
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#ifndef YY_STRUCT_YY_BUFFER_STATE
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#define YY_STRUCT_YY_BUFFER_STATE
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struct yy_buffer_state
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{
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FILE *yy_input_file;
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char *yy_ch_buf; /* input buffer */
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char *yy_buf_pos; /* current position in input buffer */
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/* Size of input buffer in bytes, not including room for EOB
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* characters.
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*/
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yy_size_t yy_buf_size;
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/* Number of characters read into yy_ch_buf, not including EOB
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* characters.
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*/
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int yy_n_chars;
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/* Whether we "own" the buffer - i.e., we know we created it,
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* and can realloc() it to grow it, and should free() it to
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* delete it.
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*/
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int yy_is_our_buffer;
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/* Whether this is an "interactive" input source; if so, and
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* if we're using stdio for input, then we want to use getc()
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* instead of fread(), to make sure we stop fetching input after
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* each newline.
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*/
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int yy_is_interactive;
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/* Whether we're considered to be at the beginning of a line.
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* If so, '^' rules will be active on the next match, otherwise
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* not.
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*/
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int yy_at_bol;
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int yy_bs_lineno; /**< The line count. */
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int yy_bs_column; /**< The column count. */
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/* Whether to try to fill the input buffer when we reach the
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* end of it.
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*/
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int yy_fill_buffer;
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int yy_buffer_status;
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};
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#endif /* !YY_STRUCT_YY_BUFFER_STATE */
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void parse_events_restart (FILE *input_file );
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void parse_events__switch_to_buffer (YY_BUFFER_STATE new_buffer );
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YY_BUFFER_STATE parse_events__create_buffer (FILE *file,int size );
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void parse_events__delete_buffer (YY_BUFFER_STATE b );
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void parse_events__flush_buffer (YY_BUFFER_STATE b );
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void parse_events_push_buffer_state (YY_BUFFER_STATE new_buffer );
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void parse_events_pop_buffer_state (void );
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YY_BUFFER_STATE parse_events__scan_buffer (char *base,yy_size_t size );
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YY_BUFFER_STATE parse_events__scan_string (yyconst char *yy_str );
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YY_BUFFER_STATE parse_events__scan_bytes (yyconst char *bytes,int len );
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void *parse_events_alloc (yy_size_t );
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void *parse_events_realloc (void *,yy_size_t );
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void parse_events_free (void * );
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/* Begin user sect3 */
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extern int parse_events_lineno;
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extern char *parse_events_text;
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#define yytext_ptr parse_events_text
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#ifdef YY_HEADER_EXPORT_START_CONDITIONS
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#define INITIAL 0
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#endif
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#ifndef YY_NO_UNISTD_H
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/* Special case for "unistd.h", since it is non-ANSI. We include it way
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* down here because we want the user's section 1 to have been scanned first.
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* The user has a chance to override it with an option.
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*/
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#include <unistd.h>
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#endif
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#ifndef YY_EXTRA_TYPE
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#define YY_EXTRA_TYPE void *
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#endif
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/* Accessor methods to globals.
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These are made visible to non-reentrant scanners for convenience. */
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int parse_events_lex_destroy (void );
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int parse_events_get_debug (void );
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void parse_events_set_debug (int debug_flag );
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YY_EXTRA_TYPE parse_events_get_extra (void );
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void parse_events_set_extra (YY_EXTRA_TYPE user_defined );
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FILE *parse_events_get_in (void );
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void parse_events_set_in (FILE * in_str );
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FILE *parse_events_get_out (void );
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void parse_events_set_out (FILE * out_str );
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int parse_events_get_leng (void );
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char *parse_events_get_text (void );
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int parse_events_get_lineno (void );
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void parse_events_set_lineno (int line_number );
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/* Macros after this point can all be overridden by user definitions in
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* section 1.
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*/
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#ifndef YY_SKIP_YYWRAP
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#ifdef __cplusplus
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extern "C" int parse_events_wrap (void );
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#else
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extern int parse_events_wrap (void );
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#endif
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#endif
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#ifndef yytext_ptr
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static void yy_flex_strncpy (char *,yyconst char *,int );
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#endif
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#ifdef YY_NEED_STRLEN
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static int yy_flex_strlen (yyconst char * );
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#endif
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#ifndef YY_NO_INPUT
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#endif
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/* Amount of stuff to slurp up with each read. */
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#ifndef YY_READ_BUF_SIZE
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#define YY_READ_BUF_SIZE 8192
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#endif
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/* Number of entries by which start-condition stack grows. */
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#ifndef YY_START_STACK_INCR
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#define YY_START_STACK_INCR 25
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#endif
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/* Default declaration of generated scanner - a define so the user can
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* easily add parameters.
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*/
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#ifndef YY_DECL
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#define YY_DECL_IS_OURS 1
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extern int parse_events_lex (void);
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#define YY_DECL int parse_events_lex (void)
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#endif /* !YY_DECL */
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/* yy_get_previous_state - get the state just before the EOB char was reached */
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#undef YY_NEW_FILE
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#undef YY_FLUSH_BUFFER
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#undef yy_set_bol
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#undef yy_new_buffer
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#undef yy_set_interactive
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#undef YY_DO_BEFORE_ACTION
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#ifdef YY_DECL_IS_OURS
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#undef YY_DECL_IS_OURS
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#undef YY_DECL
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#endif
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#line 121 "util/parse-events.l"
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#line 315 "util/parse-events-flex.h"
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#undef parse_events_IN_HEADER
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#endif /* parse_events_HEADER_H */
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