perf tools: Add parser generator for events parsing

Changing event parsing to use flex/bison parse generator.
The event syntax stays as it was.

grammar description:

events: events ',' event | event

event:  event_def PE_MODIFIER_EVENT | event_def

event_def: event_legacy_symbol sep_dc     |
           event_legacy_cache sep_dc      |
           event_legacy_breakpoint sep_dc |
           event_legacy_tracepoint sep_dc |
           event_legacy_numeric sep_dc    |
           event_legacy_raw sep_dc

event_legacy_symbol:      PE_NAME_SYM

event_legacy_cache:       PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT |
                          PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT  |
                          PE_NAME_CACHE_TYPE

event_legacy_raw:         PE_SEP_RAW PE_VALUE

event_legacy_numeric:     PE_VALUE ':' PE_VALUE

event_legacy_breakpoint:  PE_SEP_BP ':' PE_VALUE ':' PE_MODIFIER_BP

event_breakpoint_type:    PE_MODIFIER_BPTYPE | empty

PE_NAME_SYM:              cpu-cycles|cycles                              |
                          stalled-cycles-frontend|idle-cycles-frontend   |
                          stalled-cycles-backend|idle-cycles-backend     |
                          instructions                                   |
                          cache-references                               |
                          cache-misses                                   |
                          branch-instructions|branches                   |
                          branch-misses                                  |
                          bus-cycles                                     |
                          cpu-clock                                      |
                          task-clock                                     |
                          page-faults|faults                             |
                          minor-faults                                   |
                          major-faults                                   |
                          context-switches|cs                            |
                          cpu-migrations|migrations                      |
                          alignment-faults                               |
                          emulation-faults

PE_NAME_CACHE_TYPE:       L1-dcache|l1-d|l1d|L1-data             |
                          L1-icache|l1-i|l1i|L1-instruction      |
                          LLC|L2                                 |
                          dTLB|d-tlb|Data-TLB                    |
                          iTLB|i-tlb|Instruction-TLB             |
                          branch|branches|bpu|btb|bpc            |
                          node

PE_NAME_CACHE_OP_RESULT:  load|loads|read                        |
                          store|stores|write                     |
                          prefetch|prefetches                    |
                          speculative-read|speculative-load      |
                          refs|Reference|ops|access              |
                          misses|miss

PE_MODIFIER_EVENT:        [ukhp]{0,5}

PE_MODIFIER_BP:           [rwx]

PE_SEP_BP:                'mem'

PE_SEP_RAW:               'r'

sep_dc:                   ':' |

Added flex/bison files for event grammar parsing. The generated
parser is part of the patch. Added makefile rule 'event-parser'
to generate the parser code out of the bison/flex sources.

Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-u4pfig5waq3ll2bfcdex8fgi@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/parse-events-flex.c b/tools/perf/util/parse-events-flex.c
new file mode 100644
index 0000000..9e77ed6
--- /dev/null
+++ b/tools/perf/util/parse-events-flex.c
@@ -0,0 +1,2225 @@
+
+#line 3 "<stdout>"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define yy_create_buffer parse_events__create_buffer
+#define yy_delete_buffer parse_events__delete_buffer
+#define yy_flex_debug parse_events__flex_debug
+#define yy_init_buffer parse_events__init_buffer
+#define yy_flush_buffer parse_events__flush_buffer
+#define yy_load_buffer_state parse_events__load_buffer_state
+#define yy_switch_to_buffer parse_events__switch_to_buffer
+#define yyin parse_events_in
+#define yyleng parse_events_leng
+#define yylex parse_events_lex
+#define yylineno parse_events_lineno
+#define yyout parse_events_out
+#define yyrestart parse_events_restart
+#define yytext parse_events_text
+#define yywrap parse_events_wrap
+#define yyalloc parse_events_alloc
+#define yyrealloc parse_events_realloc
+#define yyfree parse_events_free
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif	/* defined (__STDC__) */
+#endif	/* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE parse_events_restart(parse_events_in  )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+extern int parse_events_leng;
+
+extern FILE *parse_events_in, *parse_events_out;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up parse_events_text. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up parse_events_text again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via parse_events_restart()), so that the user can continue scanning by
+	 * just pointing parse_events_in at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when parse_events_text is formed. */
+static char yy_hold_char;
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+int parse_events_leng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 0;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow parse_events_wrap()'s to do buffer switches
+ * instead of setting up a fresh parse_events_in.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void parse_events_restart (FILE *input_file  );
+void parse_events__switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE parse_events__create_buffer (FILE *file,int size  );
+void parse_events__delete_buffer (YY_BUFFER_STATE b  );
+void parse_events__flush_buffer (YY_BUFFER_STATE b  );
+void parse_events_push_buffer_state (YY_BUFFER_STATE new_buffer  );
+void parse_events_pop_buffer_state (void );
+
+static void parse_events_ensure_buffer_stack (void );
+static void parse_events__load_buffer_state (void );
+static void parse_events__init_buffer (YY_BUFFER_STATE b,FILE *file  );
+
+#define YY_FLUSH_BUFFER parse_events__flush_buffer(YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE parse_events__scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE parse_events__scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE parse_events__scan_bytes (yyconst char *bytes,int len  );
+
+void *parse_events_alloc (yy_size_t  );
+void *parse_events_realloc (void *,yy_size_t  );
+void parse_events_free (void *  );
+
+#define yy_new_buffer parse_events__create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        parse_events_ensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            parse_events__create_buffer(parse_events_in,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        parse_events_ensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            parse_events__create_buffer(parse_events_in,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+typedef unsigned char YY_CHAR;
+
+FILE *parse_events_in = (FILE *) 0, *parse_events_out = (FILE *) 0;
+
+typedef int yy_state_type;
+
+extern int parse_events_lineno;
+
+int parse_events_lineno = 1;
+
+extern char *parse_events_text;
+#define yytext_ptr parse_events_text
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up parse_events_text.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	parse_events_leng = (size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+
+#define YY_NUM_RULES 44
+#define YY_END_OF_BUFFER 45
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[425] =
+    {   0,
+        0,    0,   45,   44,   38,   41,   40,   39,   34,   34,
+       42,   43,   38,   38,   38,   38,   38,   38,   38,   38,
+       38,   38,   36,   38,   38,   38,   38,   38,   36,   37,
+       38,   38,   37,   37,   38,   34,    0,   38,   38,   38,
+       21,   38,   38,   38,   38,   38,   38,   38,   38,   38,
+       38,   38,   15,   38,    0,   38,   38,   38,   36,    0,
+       38,   38,   38,   38,   38,   38,   38,   38,   38,   38,
+       38,   38,   33,   33,   38,   38,   38,   38,   35,   38,
+       38,    0,   38,   38,   38,   24,   38,   38,   38,   38,
+       38,   38,    0,   38,   38,   38,   36,    0,   38,   38,
+
+       38,    0,   19,   20,   38,   38,   38,   38,   38,   38,
+       38,   30,   38,   38,   33,   33,   38,   38,   38,   38,
+       38,   38,   38,    0,    0,   38,   38,   38,   38,    0,
+       38,   38,    0,   38,    0,   22,   38,   38,   36,    0,
+       23,   38,   38,   19,   20,   26,   38,   32,   38,   38,
+       31,   25,   38,   38,   26,   38,   38,   38,   38,   38,
+        0,   38,    0,    0,    0,    0,   38,   38,   38,   38,
+        0,   38,   38,    0,    0,   38,   22,   38,   38,   36,
+       23,    0,   38,   26,   38,   38,   38,   38,    0,   38,
+       38,   38,   27,    0,   27,    0,   38,    0,    0,    0,
+
+        0,   38,   38,   24,    0,    0,   38,    0,    0,    0,
+        1,   38,   12,    0,   38,    0,   38,    0,   31,    0,
+       38,   38,   38,    0,    0,   38,    0,    0,    0,   38,
+       38,    0,   38,    0,    0,    0,   38,    0,    0,    0,
+       38,    0,   38,    0,   38,    0,    0,   38,   38,   38,
+        0,   38,    0,    0,    0,   38,   38,    0,    0,    7,
+        0,    0,    0,    0,    0,    0,    0,   38,    0,   38,
+        0,   38,    0,    0,   28,   38,    0,    0,   38,    0,
+       38,    0,    0,    0,    0,    0,    0,   10,    0,    0,
+       38,    0,   38,    0,   38,    0,    0,   38,   38,    0,
+
+        0,   38,    0,    0,    0,    0,    9,    0,    0,    0,
+        1,    0,    0,    0,   38,    0,   16,    0,    0,   28,
+       38,    0,   11,   38,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,   38,    0,    0,   12,   38,    0,
+        0,    0,    0,    0,    0,    6,    0,    0,    0,    0,
+        0,    4,   14,   13,    0,    0,    0,    0,    0,    0,
+        8,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,   16,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,   17,    0,    5,   15,   18,    0,    0,   29,
+
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    7,    3,    0,    0,    0,    2,    0,    0,
+        0,    0,    0,    0
+    } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    1,    3,    4,    1,    5,    6,    7,    8,
+        9,    9,    9,    9,    9,    9,    9,   10,    1,    1,
+       11,    1,    2,    1,   12,   13,   14,   15,   12,   12,
+        2,    2,   16,    2,    2,   17,    2,    2,    2,    2,
+        2,   18,    2,   19,    2,    2,    2,    2,    2,    2,
+        1,    1,    1,    1,    2,    1,   20,   21,   22,   23,
+
+       24,   25,   26,   27,   28,   29,   30,   31,   32,   33,
+       34,   35,    2,   36,   37,   38,   39,   40,   41,   42,
+       43,    2,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static yyconst flex_int32_t yy_meta[44] =
+    {   0,
+        1,    2,    1,    1,    1,    3,    3,    3,    3,    1,
+        1,    3,    3,    3,    3,    2,    2,    2,    2,    3,
+        3,    3,    3,    3,    3,    2,    2,    2,    2,    2,
+        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+        2,    2,    2
+    } ;
+
+static yyconst flex_int16_t yy_base[427] =
+    {   0,
+        0,    0,  494,  495,    0,  495,  495,  495,   38,   42,
+      495,  495,  473,  459,   45,  467,   32,   20,   40,   53,
+      458,  469,   34,   62,   58,   58,  454,  452,   64,   98,
+       32,  466,  449,    0,    0,   81,    0,  446,  446,  478,
+        0,  467,  455,  457,  450,   54,  457,  455,  438,  452,
+      440,  433,    0,  449,  432,  452,  429,  428,   97,  428,
+      448,  433,  426,  105,  442,  432,  428,  104,  436,  421,
+      431,  432,  431,   77,  430,   95,  416,  424,    0,  431,
+      412,  103,  425,  424,  421,    0,  413,  441,  417,  405,
+      438,  410,  409,  426,  407,  406,  108,  405,  422,  410,
+
+      395,  111,    0,    0,  409,  397,  420,  393,  394,  390,
+      402,    0,  401,  399,   93,  116,  401,  391,  385,  390,
+      381,  414,  381,   76,   46,  380,  378,  381,  391,  390,
+      387,  386,  120,  385,  387,    0,  387,  368,  119,  384,
+        0,  400,  367,  495,  495,  365,  365,  495,  380,  363,
+      374,    0,  393,  372,  371,  355,  362,  368,  387,  366,
+      370,  349,  349,  366,  365,  347,  359,  345,  349,  353,
+      336,  374,  335,  113,  348,  338,  495,  336,  336,    0,
+      495,  350,  332,    0,  366,  331,  364,  330,  341,  327,
+      333,  339,  325,  339,    0,  343,  337,  338,  335,  334,
+
+      317,  321,  329,  121,  330,  119,  313,  316,  327,  322,
+        0,  319,    0,  303,  323,  319,  315,  317,    0,  321,
+      318,  319,  315,  306,  323,  297,  307,  306,  296,  309,
+      297,  129,  292,  297,  299,  302,  321,  302,  292,  286,
+      287,  298,  281,  298,  283,  296,  276,  287,  275,  308,
+      277,  282,  285,  284,  268,  282,  267,  271,  275,    0,
+      278,  264,  275,  262,  268,  273,  276,  262,  263,  265,
+      253,  258,  251,  258,  264,  259,  264,  263,  250,  261,
+      278,  244,  243,  242,  241,  253,  235,  495,  238,  236,
+      269,  248,  237,  239,  232,  237,  229,  229,  225,  221,
+
+      233,  229,  223,  235,  221,  221,  495,  233,  220,  227,
+      495,  226,  228,  215,  218,  212,    0,  211,  211,    0,
+      223,  224,  495,  241,  216,  223,  206,  217,  203,  215,
+      200,  203,  216,  231,  197,  196,  195,  495,  227,  199,
+      210,  194,  188,  187,  188,  495,  191,  201,  189,  182,
+      138,    0,  495,  495,  129,  196,  202,  185,  186,  194,
+      495,  193,  187,  176,  181,  191,  174,  175,  184,  170,
+      193,  167,  166,  179,  178,  495,  163,  178,  165,  178,
+      177,  192,  158,  166,  156,  155,  154,  160,  156,  165,
+      164,  141,  495,  152,  495,  495,  495,  161,  146,  495,
+
+      163,  146,  148,  147,  155,  156,  143,  139,  152,  141,
+      143,  139,  495,  495,  148,  146,  131,  495,  131,  126,
+      125,   81,   85,  495,  165,   68
+    } ;
+
+static yyconst flex_int16_t yy_def[427] =
+    {   0,
+      424,    1,  424,  424,  425,  424,  424,  424,  424,  424,
+      424,  424,  425,  425,  425,  425,  425,  425,  425,  425,
+      425,  425,  425,  425,  425,  425,  425,  425,  425,  425,
+      425,  425,  425,  425,  425,  424,  426,  425,  425,  425,
+      425,  425,  425,  425,  425,  425,  425,  425,  425,  425,
+      425,  425,  425,  425,  424,  425,  425,  425,  425,  424,
+      425,  425,  425,  425,  425,  425,  425,  425,  425,  425,
+      425,  425,   30,   30,  425,  425,  425,  425,  426,  425,
+      425,  424,  425,  425,  425,  425,  425,  425,  425,  425,
+      425,  425,  424,  425,  425,  425,  425,  424,  425,  425,
+
+      425,  424,  425,  425,  425,  425,  425,  425,  425,  425,
+      425,  425,  425,  425,   30,   30,  425,  425,  425,  425,
+      425,  425,  425,  424,  424,  425,  425,  425,  425,  424,
+      425,  425,  424,  425,  424,  425,  425,  425,  425,  424,
+      425,  425,  425,  424,  424,  425,  425,  424,  425,  425,
+      425,  425,  425,  425,   30,  425,  425,  425,  425,  425,
+      424,  425,  424,  424,  424,  424,  425,  425,  425,  425,
+      424,  425,  425,  424,  424,  425,  424,  425,  425,  425,
+      424,  424,  425,  425,  425,  425,  425,  425,  424,  425,
+      425,  425,  425,  424,  425,  424,  425,  424,  424,  424,
+
+      424,  425,  425,  425,  424,  424,  425,  424,  424,  424,
+      425,  425,  425,  424,  425,  424,  425,  424,  425,  424,
+      425,  425,  425,  424,  424,  425,  424,  424,  424,  425,
+      425,  424,  425,  424,  424,  424,  425,  424,  424,  424,
+      425,  424,  425,  424,  425,  424,  424,  425,  425,  425,
+      424,  425,  424,  424,  424,  425,  425,  424,  424,  425,
+      424,  424,  424,  424,  424,  424,  424,  425,  424,  425,
+      424,  425,  424,  424,  425,  425,  424,  424,  425,  424,
+      425,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      425,  424,  425,  424,  425,  424,  424,  425,  425,  424,
+
+      424,  425,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  425,  424,  425,  424,  424,  425,
+      425,  424,  424,  425,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  425,  424,  424,  424,  425,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  425,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,    0,  424,  424
+    } ;
+
+static yyconst flex_int16_t yy_nxt[539] =
+    {   0,
+        4,    5,    6,    7,    8,    9,   10,   10,   10,   11,
+       12,    5,    5,    5,   13,   14,   15,   16,    5,   17,
+       18,   19,   20,   21,   22,    5,   23,   24,    5,   23,
+       25,   26,   27,   28,   29,   30,   31,   32,   23,    5,
+       33,   34,    5,   36,   36,   36,   36,   36,   36,   36,
+       36,   40,   41,   44,   46,   47,   55,   48,   49,   50,
+       59,   42,   45,   59,   64,   60,   75,  165,   59,   76,
+       79,   56,   59,   51,   52,   86,   53,   66,  166,   37,
+       61,   67,   54,   71,   62,   68,   36,   36,   36,   36,
+       59,   65,   86,   59,   63,  163,  115,  164,   59,   72,
+
+       73,  116,   59,   73,   73,   73,   73,  418,  102,   73,
+       73,   73,   73,  423,  118,  155,   73,   73,   73,   73,
+       73,   74,   73,   97,  232,  124,   97,  103,  119,  108,
+      125,   97,  104,  144,  139,   97,  109,  139,  145,   73,
+      110,  174,  139,  208,  233,  180,  139,  414,  180,  422,
+      235,  175,  112,  180,  236,  209,  258,  180,  366,  368,
+      259,  401,  367,  421,  369,  402,   35,   35,  420,  419,
+      418,  417,  416,  415,  414,  413,  412,  411,  410,  409,
+      408,  407,  406,  405,  404,  403,  400,  400,  399,  398,
+      397,  396,  395,  394,  393,  392,  391,  390,  389,  388,
+
+      387,  386,  385,  384,  383,  181,  382,  381,  380,  379,
+      378,  377,  376,  375,  374,  373,  372,  145,  371,  370,
+      365,  364,  363,  362,  361,  360,  359,  358,  357,  356,
+      355,  354,  353,  352,  351,  350,  349,  348,  347,  346,
+      345,  344,  343,  342,  341,  340,  339,  338,  337,  336,
+      335,  334,  333,  332,  331,  330,  329,  328,  327,  326,
+      325,  324,  323,  322,  321,  320,  319,  318,  317,  316,
+      315,  314,  313,  312,  311,  310,  309,  308,  307,  306,
+      305,  304,  303,  302,  301,  300,  299,  298,  297,  296,
+      295,  294,  293,  292,  291,  290,  289,  288,  287,  286,
+
+      285,  284,  283,  282,  281,  112,  280,  145,  144,  279,
+      278,  277,  276,  275,  274,  273,  272,  271,  270,  269,
+      268,  267,  266,  265,  264,  263,  262,  261,  260,  257,
+      256,  255,  254,  253,  252,  177,  251,  250,  249,  248,
+      247,  246,  245,  244,  243,  242,  241,  240,  239,  238,
+      237,  234,  231,  230,  229,  228,  227,  144,  226,  225,
+      224,  195,  223,  222,  221,  220,  219,  218,  217,  216,
+      215,  214,  213,  212,  211,  210,  207,  206,  205,  204,
+      203,  112,  202,  201,  200,  199,  198,  197,  196,  195,
+      194,  193,  192,  191,   73,  190,  189,  188,  187,  186,
+
+      185,  184,  183,  182,  181,  179,  178,  177,  176,  173,
+      172,  171,  170,  169,  168,  167,  162,  161,  160,  159,
+      158,  157,  156,  154,  153,  152,  151,  150,  149,  148,
+      147,  146,  143,  142,  141,  140,  138,  137,  136,  135,
+      134,  133,  132,  131,  130,  129,  128,  127,  126,  123,
+      122,  121,  120,  117,   73,  114,  113,  112,  111,  107,
+      106,  105,  101,  100,   99,   98,   96,   95,   94,   93,
+       92,   91,   90,   89,   88,   86,   87,   85,   84,   83,
+       41,   82,   81,   80,   78,   77,   70,   69,   58,   57,
+       43,   39,   38,  424,    3,  424,  424,  424,  424,  424,
+
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424
+    } ;
+
+static yyconst flex_int16_t yy_chk[539] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    9,    9,    9,    9,   10,   10,   10,
+       10,   15,   15,   17,   18,   18,   20,   18,   18,   19,
+       23,   15,   17,   23,   25,   24,   31,  125,   23,   31,
+      426,   20,   23,   19,   19,   46,   19,   26,  125,    9,
+       24,   26,   19,   29,   24,   26,   36,   36,   36,   36,
+       29,   25,   46,   29,   24,  124,   74,  124,   29,   29,
+
+       74,   74,   29,   30,   30,   30,   30,  423,   64,   30,
+       30,   30,   30,  422,   76,  115,  115,   30,   30,   30,
+       30,   30,   30,   59,  204,   82,   59,   64,   76,   68,
+       82,   59,   64,  102,   97,   59,   68,   97,  102,  116,
+       68,  133,   97,  174,  204,  139,   97,  421,  139,  420,
+      206,  133,  116,  139,  206,  174,  232,  139,  351,  355,
+      232,  392,  351,  419,  355,  392,  425,  425,  417,  416,
+      415,  412,  411,  410,  409,  408,  407,  406,  405,  404,
+      403,  402,  401,  399,  398,  394,  391,  390,  389,  388,
+      387,  386,  385,  384,  383,  382,  381,  380,  379,  378,
+
+      377,  375,  374,  373,  372,  371,  370,  369,  368,  367,
+      366,  365,  364,  363,  362,  360,  359,  358,  357,  356,
+      350,  349,  348,  347,  345,  344,  343,  342,  341,  340,
+      339,  337,  336,  335,  334,  333,  332,  331,  330,  329,
+      328,  327,  326,  325,  324,  322,  321,  319,  318,  316,
+      315,  314,  313,  312,  310,  309,  308,  306,  305,  304,
+      303,  302,  301,  300,  299,  298,  297,  296,  295,  294,
+      293,  292,  291,  290,  289,  287,  286,  285,  284,  283,
+      282,  281,  280,  279,  278,  277,  276,  275,  274,  273,
+      272,  271,  270,  269,  268,  267,  266,  265,  264,  263,
+
+      262,  261,  259,  258,  257,  256,  255,  254,  253,  252,
+      251,  250,  249,  248,  247,  246,  245,  244,  243,  242,
+      241,  240,  239,  238,  237,  236,  235,  234,  233,  231,
+      230,  229,  228,  227,  226,  225,  224,  223,  222,  221,
+      220,  218,  217,  216,  215,  214,  212,  210,  209,  208,
+      207,  205,  203,  202,  201,  200,  199,  198,  197,  196,
+      194,  193,  192,  191,  190,  189,  188,  187,  186,  185,
+      183,  182,  179,  178,  176,  175,  173,  172,  171,  170,
+      169,  168,  167,  166,  165,  164,  163,  162,  161,  160,
+      159,  158,  157,  156,  155,  154,  153,  151,  150,  149,
+
+      147,  146,  143,  142,  140,  138,  137,  135,  134,  132,
+      131,  130,  129,  128,  127,  126,  123,  122,  121,  120,
+      119,  118,  117,  114,  113,  111,  110,  109,  108,  107,
+      106,  105,  101,  100,   99,   98,   96,   95,   94,   93,
+       92,   91,   90,   89,   88,   87,   85,   84,   83,   81,
+       80,   78,   77,   75,   73,   72,   71,   70,   69,   67,
+       66,   65,   63,   62,   61,   60,   58,   57,   56,   55,
+       54,   52,   51,   50,   49,   48,   47,   45,   44,   43,
+       42,   40,   39,   38,   33,   32,   28,   27,   22,   21,
+       16,   14,   13,    3,  424,  424,  424,  424,  424,  424,
+
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
+      424,  424,  424,  424,  424,  424,  424,  424
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int parse_events__flex_debug;
+int parse_events__flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *parse_events_text;
+#line 1 "util/parse-events.l"
+#line 5 "util/parse-events.l"
+#include <errno.h>
+#include "../perf.h"
+#include "parse-events-bison.h"
+
+static int __value(char *str, int base, int token)
+{
+	long num;
+
+	errno = 0;
+	num = strtoul(str, NULL, base);
+	if (errno)
+		return PE_ERROR;
+
+	parse_events_lval.num = num;
+	return token;
+}
+
+static int value(int base)
+{
+	return __value(parse_events_text, base, PE_VALUE);
+}
+
+static int raw(void)
+{
+	return __value(parse_events_text + 1, 16, PE_RAW);
+}
+
+static int str(int token)
+{
+	parse_events_lval.str = strdup(parse_events_text);
+	return token;
+}
+
+static int sym(int type, int config)
+{
+	parse_events_lval.num = (type << 16) + config;
+	return PE_VALUE_SYM;
+}
+
+#line 766 "<stdout>"
+
+#define INITIAL 0
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals (void );
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int parse_events_lex_destroy (void );
+
+int parse_events_get_debug (void );
+
+void parse_events_set_debug (int debug_flag  );
+
+YY_EXTRA_TYPE parse_events_get_extra (void );
+
+void parse_events_set_extra (YY_EXTRA_TYPE user_defined  );
+
+FILE *parse_events_get_in (void );
+
+void parse_events_set_in  (FILE * in_str  );
+
+FILE *parse_events_get_out (void );
+
+void parse_events_set_out  (FILE * out_str  );
+
+int parse_events_get_leng (void );
+
+char *parse_events_get_text (void );
+
+int parse_events_get_lineno (void );
+
+void parse_events_set_lineno (int line_number  );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int parse_events_wrap (void );
+#else
+extern int parse_events_wrap (void );
+#endif
+#endif
+
+    static void yyunput (int c,char *buf_ptr  );
+    
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (void );
+#else
+static int input (void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( parse_events_text, parse_events_leng, 1, parse_events_out )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+		{ \
+		int c = '*'; \
+		unsigned n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( parse_events_in )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( parse_events_in ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else \
+		{ \
+		errno=0; \
+		while ( (result = fread(buf, 1, max_size, parse_events_in))==0 && ferror(parse_events_in)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(parse_events_in); \
+			} \
+		}\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int parse_events_lex (void);
+
+#define YY_DECL int parse_events_lex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after parse_events_text and parse_events_leng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+    
+#line 53 "util/parse-events.l"
+
+#line 950 "<stdout>"
+
+	if ( !(yy_init) )
+		{
+		(yy_init) = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! parse_events_in )
+			parse_events_in = stdin;
+
+		if ( ! parse_events_out )
+			parse_events_out = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			parse_events_ensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				parse_events__create_buffer(parse_events_in,YY_BUF_SIZE );
+		}
+
+		parse_events__load_buffer_state( );
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of parse_events_text. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+yy_match:
+		do
+			{
+			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			if ( yy_accept[yy_current_state] )
+				{
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 425 )
+					yy_c = yy_meta[(unsigned int) yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			++yy_cp;
+			}
+		while ( yy_base[yy_current_state] != 495 );
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+		if ( yy_act == 0 )
+			{ /* have to back up */
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
+			yy_act = yy_accept[yy_current_state];
+			}
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
+			goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 54 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 55 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); }
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 56 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); }
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 57 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); }
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 58 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); }
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 59 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); }
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 60 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); }
+	YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 61 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); }
+	YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 62 "util/parse-events.l"
+{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); }
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 63 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); }
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 64 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); }
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 65 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); }
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 66 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); }
+	YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 67 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); }
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 68 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); }
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 69 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); }
+	YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 70 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); }
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 71 "util/parse-events.l"
+{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
+	YY_BREAK
+case 19:
+#line 74 "util/parse-events.l"
+case 20:
+#line 75 "util/parse-events.l"
+case 21:
+#line 76 "util/parse-events.l"
+case 22:
+#line 77 "util/parse-events.l"
+case 23:
+#line 78 "util/parse-events.l"
+case 24:
+#line 79 "util/parse-events.l"
+case 25:
+YY_RULE_SETUP
+#line 79 "util/parse-events.l"
+{ return str(PE_NAME_CACHE_TYPE); }
+	YY_BREAK
+case 26:
+#line 82 "util/parse-events.l"
+case 27:
+#line 83 "util/parse-events.l"
+case 28:
+#line 84 "util/parse-events.l"
+case 29:
+#line 85 "util/parse-events.l"
+case 30:
+#line 86 "util/parse-events.l"
+case 31:
+YY_RULE_SETUP
+#line 86 "util/parse-events.l"
+{ return str(PE_NAME_CACHE_OP_RESULT); }
+	YY_BREAK
+case 32:
+YY_RULE_SETUP
+#line 88 "util/parse-events.l"
+{ return PE_PREFIX_MEM; }
+	YY_BREAK
+case 33:
+YY_RULE_SETUP
+#line 89 "util/parse-events.l"
+{ return raw(); }
+	YY_BREAK
+case 34:
+YY_RULE_SETUP
+#line 90 "util/parse-events.l"
+{ return value(10); }
+	YY_BREAK
+case 35:
+YY_RULE_SETUP
+#line 91 "util/parse-events.l"
+{ return value(16); }
+	YY_BREAK
+case 36:
+YY_RULE_SETUP
+#line 93 "util/parse-events.l"
+{ return str(PE_MODIFIER_EVENT); }
+	YY_BREAK
+case 37:
+YY_RULE_SETUP
+#line 94 "util/parse-events.l"
+{ return str(PE_MODIFIER_BP); }
+	YY_BREAK
+case 38:
+YY_RULE_SETUP
+#line 95 "util/parse-events.l"
+{ return str(PE_NAME); }
+	YY_BREAK
+case 39:
+YY_RULE_SETUP
+#line 96 "util/parse-events.l"
+{ return '/'; }
+	YY_BREAK
+case 40:
+YY_RULE_SETUP
+#line 97 "util/parse-events.l"
+{ return '-'; }
+	YY_BREAK
+case 41:
+YY_RULE_SETUP
+#line 98 "util/parse-events.l"
+{ return ','; }
+	YY_BREAK
+case 42:
+YY_RULE_SETUP
+#line 99 "util/parse-events.l"
+{ return ':'; }
+	YY_BREAK
+case 43:
+YY_RULE_SETUP
+#line 100 "util/parse-events.l"
+{ return '='; }
+	YY_BREAK
+case 44:
+YY_RULE_SETUP
+#line 102 "util/parse-events.l"
+ECHO;
+	YY_BREAK
+#line 1220 "<stdout>"
+case YY_STATE_EOF(INITIAL):
+	yyterminate();
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed parse_events_in at a new source and called
+			 * parse_events_lex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = parse_events_in;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_c_buf_p);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( parse_events_wrap( ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * parse_events_text, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+} /* end of parse_events_lex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	register char *source = (yytext_ptr);
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			int num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					parse_events_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), (size_t) num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			parse_events_restart(parse_events_in  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) parse_events_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+	}
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    static yy_state_type yy_get_previous_state (void)
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 425 )
+				yy_c = yy_meta[(unsigned int) yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
+	register int yy_is_jam;
+    	register char *yy_cp = (yy_c_buf_p);
+
+	register YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		(yy_last_accepting_state) = yy_current_state;
+		(yy_last_accepting_cpos) = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 425 )
+			yy_c = yy_meta[(unsigned int) yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_is_jam = (yy_current_state == 424);
+
+	return yy_is_jam ? 0 : yy_current_state;
+}
+
+    static void yyunput (int c, register char * yy_bp )
+{
+	register char *yy_cp;
+    
+    yy_cp = (yy_c_buf_p);
+
+	/* undo effects of setting up parse_events_text */
+	*yy_cp = (yy_hold_char);
+
+	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+		{ /* need to shift things up to make room */
+		/* +2 for EOB chars. */
+		register int number_to_move = (yy_n_chars) + 2;
+		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+		register char *source =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
+
+		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			*--dest = *--source;
+
+		yy_cp += (int) (dest - source);
+		yy_bp += (int) (dest - source);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+
+		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+			YY_FATAL_ERROR( "flex scanner push-back overflow" );
+		}
+
+	*--yy_cp = (char) c;
+
+	(yytext_ptr) = yy_bp;
+	(yy_hold_char) = *yy_cp;
+	(yy_c_buf_p) = yy_cp;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			int offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					parse_events_restart(parse_events_in );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( parse_events_wrap( ) )
+						return EOF;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve parse_events_text */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void parse_events_restart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        parse_events_ensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            parse_events__create_buffer(parse_events_in,YY_BUF_SIZE );
+	}
+
+	parse_events__init_buffer(YY_CURRENT_BUFFER,input_file );
+	parse_events__load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void parse_events__switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		parse_events_pop_buffer_state();
+	 *		parse_events_push_buffer_state(new_buffer);
+     */
+	parse_events_ensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	parse_events__load_buffer_state( );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (parse_events_wrap()) processing, but the only time this flag
+	 * is looked at is after parse_events_wrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void parse_events__load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	parse_events_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE parse_events__create_buffer  (FILE * file, int  size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) parse_events_alloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in parse_events__create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) parse_events_alloc(b->yy_buf_size + 2  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in parse_events__create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	parse_events__init_buffer(b,file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with parse_events__create_buffer()
+ * 
+ */
+    void parse_events__delete_buffer (YY_BUFFER_STATE  b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		parse_events_free((void *) b->yy_ch_buf  );
+
+	parse_events_free((void *) b  );
+}
+
+#ifndef __cplusplus
+extern int isatty (int );
+#endif /* __cplusplus */
+    
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a parse_events_restart() or at EOF.
+ */
+    static void parse_events__init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+
+{
+	int oerrno = errno;
+    
+	parse_events__flush_buffer(b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then parse_events__init_buffer was _probably_
+     * called from parse_events_restart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+    
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void parse_events__flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		parse_events__load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void parse_events_push_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	parse_events_ensure_buffer_stack();
+
+	/* This block is copied from parse_events__switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from parse_events__switch_to_buffer. */
+	parse_events__load_buffer_state( );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void parse_events_pop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	parse_events__delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		parse_events__load_buffer_state( );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void parse_events_ensure_buffer_stack (void)
+{
+	int num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)parse_events_alloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in parse_events_ensure_buffer_stack()" );
+								  
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)parse_events_realloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in parse_events_ensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE parse_events__scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return 0;
+
+	b = (YY_BUFFER_STATE) parse_events_alloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in parse_events__scan_buffer()" );
+
+	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = 0;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	parse_events__switch_to_buffer(b  );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to parse_events_lex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       parse_events__scan_bytes() instead.
+ */
+YY_BUFFER_STATE parse_events__scan_string (yyconst char * yystr )
+{
+    
+	return parse_events__scan_bytes(yystr,strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to parse_events_lex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE parse_events__scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = _yybytes_len + 2;
+	buf = (char *) parse_events_alloc(n  );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in parse_events__scan_bytes()" );
+
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
+
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = parse_events__scan_buffer(buf,n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in parse_events__scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg )
+{
+    	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up parse_events_text. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		parse_events_text[parse_events_leng] = (yy_hold_char); \
+		(yy_c_buf_p) = parse_events_text + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		parse_events_leng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ * 
+ */
+int parse_events_get_lineno  (void)
+{
+        
+    return parse_events_lineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *parse_events_get_in  (void)
+{
+        return parse_events_in;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *parse_events_get_out  (void)
+{
+        return parse_events_out;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int parse_events_get_leng  (void)
+{
+        return parse_events_leng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *parse_events_get_text  (void)
+{
+        return parse_events_text;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void parse_events_set_lineno (int  line_number )
+{
+    
+    parse_events_lineno = line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see parse_events__switch_to_buffer
+ */
+void parse_events_set_in (FILE *  in_str )
+{
+        parse_events_in = in_str ;
+}
+
+void parse_events_set_out (FILE *  out_str )
+{
+        parse_events_out = out_str ;
+}
+
+int parse_events_get_debug  (void)
+{
+        return parse_events__flex_debug;
+}
+
+void parse_events_set_debug (int  bdebug )
+{
+        parse_events__flex_debug = bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from parse_events_lex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    parse_events_in = stdin;
+    parse_events_out = stdout;
+#else
+    parse_events_in = (FILE *) 0;
+    parse_events_out = (FILE *) 0;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * parse_events_lex_init()
+     */
+    return 0;
+}
+
+/* parse_events_lex_destroy is for both reentrant and non-reentrant scanners. */
+int parse_events_lex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		parse_events__delete_buffer(YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		parse_events_pop_buffer_state();
+	}
+
+	/* Destroy the stack itself. */
+	parse_events_free((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * parse_events_lex() is called, initialization will occur. */
+    yy_init_globals( );
+
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s )
+{
+	register int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *parse_events_alloc (yy_size_t  size )
+{
+	return (void *) malloc( size );
+}
+
+void *parse_events_realloc  (void * ptr, yy_size_t  size )
+{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+}
+
+void parse_events_free (void * ptr )
+{
+	free( (char *) ptr );	/* see parse_events_realloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 102 "util/parse-events.l"
+
+
+
+int parse_events_wrap(void)
+{
+	return 1;
+}
+