#line 2 "util_expr_scan.c"

#line 4 "util_expr_scan.c"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#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;

/* 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 /* ! C99 */

#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)

/* An opaque pointer. */

#ifndef YY_TYPEDEF_YY_SCANNER_T

#define YY_TYPEDEF_YY_SCANNER_T

typedef void* yyscan_t;

#endif

/* For convenience, these vars (plus the bison vars far below)

   are macros in the reentrant scanner. */

#define yyin yyg->yyin_r

#define yyout yyg->yyout_r

#define yyextra yyg->yyextra_r

#define yyleng yyg->yyleng_r

#define yytext yyg->yytext_r

#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

#define yy_flex_debug yyg->yy_flex_debug_r

/* 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 yyg->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 ((yyg->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 ap_expr_yyrestart(yyin ,yyscanner )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */

#ifndef YY_BUF_SIZE

#ifdef __ia64__

/* On IA-64, the buffer size is 16k, not 8k.

 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.

 * Ditto for the __ia64__ case accordingly.

 */

#define YY_BUF_SIZE 32768

#else

#define YY_BUF_SIZE 16384

#endif /* __ia64__ */

#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

#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 yytext. */ \

        int yyless_macro_arg = (n); \

        YY_LESS_LINENO(yyless_macro_arg);\

		*yy_cp = yyg->yy_hold_char; \

		YY_RESTORE_YY_MORE_OFFSET \

		yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \

		YY_DO_BEFORE_ACTION; /* set up yytext again */ \

		} \

	while ( 0 )

#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )

#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 ap_expr_yyrestart()), so that the user can continue scanning by

	 * just pointing yyin at a new input file.

	 */

#define YY_BUFFER_EOF_PENDING 2

	};

#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* 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 ( yyg->yy_buffer_stack \

                          ? yyg->yy_buffer_stack[yyg->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 yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]

void ap_expr_yyrestart (FILE *input_file ,yyscan_t yyscanner );

void ap_expr_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );

YY_BUFFER_STATE ap_expr_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );

void ap_expr_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );

void ap_expr_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );

void ap_expr_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );

void ap_expr_yypop_buffer_state (yyscan_t yyscanner );

static void ap_expr_yyensure_buffer_stack (yyscan_t yyscanner );

static void ap_expr_yy_load_buffer_state (yyscan_t yyscanner );

static void ap_expr_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );

#define YY_FLUSH_BUFFER ap_expr_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

YY_BUFFER_STATE ap_expr_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );

YY_BUFFER_STATE ap_expr_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );

YY_BUFFER_STATE ap_expr_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );

void *ap_expr_yyalloc (yy_size_t ,yyscan_t yyscanner );

void *ap_expr_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );

void ap_expr_yyfree (void * ,yyscan_t yyscanner );

#define yy_new_buffer ap_expr_yy_create_buffer

#define yy_set_interactive(is_interactive) \

	{ \

	if ( ! YY_CURRENT_BUFFER ){ \

        ap_expr_yyensure_buffer_stack (yyscanner); \

		YY_CURRENT_BUFFER_LVALUE =    \

            ap_expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \

	} \

	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \

	}

#define yy_set_bol(at_bol) \

	{ \

	if ( ! YY_CURRENT_BUFFER ){\

        ap_expr_yyensure_buffer_stack (yyscanner); \

		YY_CURRENT_BUFFER_LVALUE =    \

            ap_expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \

	} \

	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \

	}

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

#define ap_expr_yywrap(n) 1

#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

typedef int yy_state_type;

#define yytext_ptr yytext_r

static yy_state_type yy_get_previous_state (yyscan_t yyscanner );

static yy_state_type yy_try_NUL_trans (yy_state_type current_state  ,yyscan_t yyscanner);

static int yy_get_next_buffer (yyscan_t yyscanner );

static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );

/* Done after the current pattern has been matched and before the

 * corresponding action - sets up yytext.

 */

#define YY_DO_BEFORE_ACTION \

	yyg->yytext_ptr = yy_bp; \

	yyleng = (size_t) (yy_cp - yy_bp); \

	yyg->yy_hold_char = *yy_cp; \

	*yy_cp = '\0'; \

	yyg->yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 67

#define YY_END_OF_BUFFER 68

/* 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[124] =

    {   0,

        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,

        0,    0,   68,   66,    1,   43,    2,   66,   66,   66,

       65,   66,   44,   26,   63,   32,   30,   34,   64,   64,

       64,   64,   64,   64,   64,   64,   64,   64,   64,   66,

       14,    4,    3,   17,   17,   67,   17,   23,    4,   22,

       20,   21,   67,   16,   16,   24,   27,   29,   28,    1,

       31,   37,   19,   18,   39,   63,   59,   59,   59,   59,

       59,   59,   33,   30,   36,   35,   64,   64,   57,   64,

       55,   54,   58,   53,   52,   25,   25,   56,   64,   40,

       64,   41,   14,   13,   15,   12,    5,    6,   10,   11,

        7,    8,    9,   20,   60,   46,   48,   50,   45,   49,

       51,   47,   38,   64,   42,   64,    5,    6,   64,   61,

        5,   62,    0

    } ;

static yyconst flex_int32_t yy_ec[256] =

    {   0,

        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    2,    4,    5,    6,    7,    8,    9,    5,   10,

       10,    1,    1,   11,   12,   13,   14,   15,   15,   15,

       15,   15,   15,   15,   15,   16,   16,   17,    6,   18,

       19,   20,    6,    1,   21,   21,   21,   21,   21,   21,

       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,

       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,

        1,   22,    1,    6,   23,    1,   24,   25,   21,   26,

       27,   28,   29,   21,   30,   21,   21,   31,   32,   33,

       34,   21,   35,   36,   37,   38,   39,   21,   21,   21,

       21,   21,   40,   41,   42,   43,    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,    1,    2,    1,    2,    1,    2,    2,    1,    1,

        1,    1,    1,    1,    3,    3,    1,    1,    1,    1,

        3,    2,    3,    3,    3,    3,    3,    3,    3,    3,

        3,    3,    3,    3,    3,    3,    3,    3,    3,    1,

        1,    2,    1

    } ;

static yyconst flex_int16_t yy_base[133] =

    {   0,

        0,    0,   41,   47,   89,    0,  130,  136,    0,    0,

      147,  146,  175,  275,   54,   28,  275,   43,  134,  164,

      275,  164,  275,  275,   45,  152,   32,  151,    0,  136,

      133,  143,   26,  133,   35,  194,   38,  129,  128,  122,

        0,  275,  275,   51,  122,  221,  275,  275,  275,  275,

        0,  275,  275,   61,  121,  275,  275,  275,  275,   76,

      275,  275,  275,  275,  275,   65,    0,  125,   47,  126,

      107,  130,  275,  275,  275,  275,    0,  130,    0,  124,

        0,    0,    0,    0,    0,  275,    0,    0,  104,    0,

      101,  275,    0,  275,  275,  275,   71,  131,  275,  275,

      275,  275,  275,    0,    0,    0,    0,    0,    0,    0,

        0,    0,    0,   99,    0,   61,  133,  135,   57,    0,

      138,    0,  275,  259,  262,  265,   79,   67,  268,  271,

       65,   42

    } ;

static yyconst flex_int16_t yy_def[133] =

    {   0,

      123,    1,  124,  124,  123,    5,  124,  124,  125,  125,

      126,  126,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  127,  123,  123,  123,  123,  123,  123,  128,  128,

      128,  128,  128,  128,  128,  128,  128,  128,  128,  123,

      129,  123,  123,  123,  123,  130,  123,  123,  123,  123,

      131,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  132,  132,  132,  132,

      132,  132,  123,  123,  123,  123,  128,  128,  128,  128,

      128,  128,  128,  128,  128,  123,  128,  128,  128,  128,

      128,  123,  129,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  131,  132,  132,  132,  132,  132,  132,

      132,  132,  128,  128,  128,  128,  123,  123,  128,  128,

      123,  128,    0,  123,  123,  123,  123,  123,  123,  123,

      123,  123

    } ;

static yyconst flex_int16_t yy_nxt[319] =

    {   0,

       14,   15,   15,   16,   17,   14,   18,   19,   20,   21,

       21,   22,   23,   24,   25,   25,   21,   26,   27,   28,

       29,   14,   14,   30,   29,   29,   31,   32,   33,   34,

       35,   36,   37,   38,   29,   29,   29,   39,   29,   21,

       40,   21,   14,   42,  105,   43,   61,   44,   45,   42,

       74,   43,   81,   44,   45,   60,   60,   63,   63,   66,

       66,   84,   46,   82,   88,   94,   94,  104,   46,   77,

       62,   89,   85,  107,   75,   94,   94,   60,   60,   66,

       66,   67,   47,  122,  108,  117,  118,  120,   47,   48,

       48,   49,   48,   48,   48,   48,   48,   48,   48,   48,

       48,   48,   48,   48,   48,   50,   48,   48,   48,   51,

       48,   48,   51,   51,   51,   51,   51,   51,   51,   51,

       51,   51,   51,   51,   51,   51,   51,   51,   48,   48,

       52,   48,   42,  110,   53,  119,   54,   55,   42,  116,

       53,  115,   54,   55,  111,  118,  118,  121,  118,  118,

      118,   46,  118,  118,  114,  113,  112,   46,  109,  106,

       95,   95,   92,   91,   90,   83,   80,   79,   78,   76,

       73,   56,   65,   64,  123,   59,   59,   56,   66,   66,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

       68,  123,   69,   70,   71,  123,   72,   86,   86,   86,

       86,   86,  123,  123,   86,   86,   86,   86,  123,  123,

       86,  123,  123,  123,  123,  123,   87,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,   86,   97,   98,  123,  123,  123,

      123,  123,  123,  123,  123,   99,  123,  123,  100,  123,

      123,  123,  123,  101,  123,  123,  102,  123,  103,   41,

       41,   41,   57,   57,   57,   58,   58,   58,   93,  123,

       93,   96,   96,   96,   13,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123

    } ;

static yyconst flex_int16_t yy_chk[319] =

    {   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,    3,  132,    3,   16,    3,    3,    4,

       27,    4,   33,    4,    4,   15,   15,   18,   18,   25,

       25,   35,    3,   33,   37,   44,   44,  131,    4,  128,

       16,   37,   35,   69,   27,   54,   54,   60,   60,   66,

       66,  127,    3,  119,   69,   97,   97,  116,    4,    5,

        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,

        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,

        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,

        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,

        5,    5,    7,   71,    7,  114,    7,    7,    8,   91,

        8,   89,    8,    8,   71,   98,   98,  117,  117,  118,

      118,    7,  121,  121,   80,   78,   72,    8,   70,   68,

       55,   45,   40,   39,   38,   34,   32,   31,   30,   28,

       26,    7,   20,   19,   13,   12,   11,    8,   22,   22,

        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,

       22,    0,   22,   22,   22,    0,   22,   36,   36,   36,

       36,   36,    0,    0,   36,   36,   36,   36,    0,    0,

       36,    0,    0,    0,    0,    0,   36,    0,    0,    0,

        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,

        0,    0,    0,    0,   36,   46,   46,    0,    0,    0,

        0,    0,    0,    0,    0,   46,    0,    0,   46,    0,

        0,    0,    0,   46,    0,    0,   46,    0,   46,  124,

      124,  124,  125,  125,  125,  126,  126,  126,  129,    0,

      129,  130,  130,  130,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,

      123,  123,  123,  123,  123,  123,  123,  123

    } ;

/* 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

#line 1 "util_expr_scan.l"

/* Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 *  ap_expr_scan.l, based on ssl_expr_scan.l from mod_ssl

 */

/*  _________________________________________________________________

**

**  Expression Scanner

**  _________________________________________________________________

*/

#define YY_NO_INPUT 1

#line 43 "util_expr_scan.l"

#include "util_expr_private.h"

#include "util_expr_parse.h"

#undef  YY_INPUT

#define YY_INPUT(buf,result,max_size)                       \

{                                                           \

    if ((result = MIN(max_size, yyextra->inputbuf           \

                              + yyextra->inputlen           \

                              - yyextra->inputptr)) <= 0)   \

    {                                                       \

        result = YY_NULL;                                   \

    }                                                       \

    else {                                                  \

        memcpy(buf, yyextra->inputptr, result);             \

        yyextra->inputptr += result;                        \

    }                                                       \

}

#define YY_EXTRA_TYPE ap_expr_parse_ctx_t*

#define PERROR(msg) do { yyextra->error2 = msg ; return T_ERROR; } while (0)

#define str_ptr     (yyextra->scan_ptr)

#define str_buf     (yyextra->scan_buf)

#define str_del     (yyextra->scan_del)

#define STR_APPEND(c) do {                          \

        *str_ptr++ = (c);                           \

        if (str_ptr >= str_buf + sizeof(str_buf))   \

            PERROR("String too long");              \

    } while (0)

#line 615 "util_expr_scan.c"

#define INITIAL 0

#define str 1

#define var 2

#define vararg 3

#define regex 4

#define regex_flags 5

#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

/* Holds the entire state of the reentrant scanner. */

struct yyguts_t

    {

    /* User-defined. Not touched by flex. */

    YY_EXTRA_TYPE yyextra_r;

    /* The rest are the same as the globals declared in the non-reentrant scanner. */

    FILE *yyin_r, *yyout_r;

    size_t yy_buffer_stack_top; /**< index of top of stack. */

    size_t yy_buffer_stack_max; /**< capacity of stack. */

    YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */

    char yy_hold_char;

    int yy_n_chars;

    int yyleng_r;

    char *yy_c_buf_p;

    int yy_init;

    int yy_start;

    int yy_did_buffer_switch_on_eof;

    int yy_start_stack_ptr;

    int yy_start_stack_depth;

    int *yy_start_stack;

    yy_state_type yy_last_accepting_state;

    char* yy_last_accepting_cpos;

    int yylineno_r;

    int yy_flex_debug_r;

    char *yytext_r;

    int yy_more_flag;

    int yy_more_len;

    YYSTYPE * yylval_r;

    }; /* end struct yyguts_t */

static int yy_init_globals (yyscan_t yyscanner );

    /* This must go here because YYSTYPE and YYLTYPE are included

     * from bison output in section 1.*/

    #    define yylval yyg->yylval_r

int ap_expr_yylex_init (yyscan_t* scanner);

int ap_expr_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);

/* Accessor methods to globals.

   These are made visible to non-reentrant scanners for convenience. */

int ap_expr_yylex_destroy (yyscan_t yyscanner );

int ap_expr_yyget_debug (yyscan_t yyscanner );

void ap_expr_yyset_debug (int debug_flag ,yyscan_t yyscanner );

YY_EXTRA_TYPE ap_expr_yyget_extra (yyscan_t yyscanner );

void ap_expr_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );

FILE *ap_expr_yyget_in (yyscan_t yyscanner );

void ap_expr_yyset_in  (FILE * in_str ,yyscan_t yyscanner );

FILE *ap_expr_yyget_out (yyscan_t yyscanner );

void ap_expr_yyset_out  (FILE * out_str ,yyscan_t yyscanner );

int ap_expr_yyget_leng (yyscan_t yyscanner );

char *ap_expr_yyget_text (yyscan_t yyscanner );

int ap_expr_yyget_lineno (yyscan_t yyscanner );

void ap_expr_yyset_lineno (int line_number ,yyscan_t yyscanner );

YYSTYPE * ap_expr_yyget_lval (yyscan_t yyscanner );

void ap_expr_yyset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );

/* Macros after this point can all be overridden by user definitions in

 * section 1.

 */

#ifndef YY_SKIP_YYWRAP

#ifdef __cplusplus

extern "C" int ap_expr_yywrap (yyscan_t yyscanner );

#else

extern int ap_expr_yywrap (yyscan_t yyscanner );

#endif

#endif

#ifndef yytext_ptr

static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);

#endif

#ifdef YY_NEED_STRLEN

static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);

#endif

#ifndef YY_NO_INPUT

#ifdef __cplusplus

static int yyinput (yyscan_t yyscanner );

#else

static int input (yyscan_t yyscanner );

#endif

#endif

    static void yy_push_state (int new_state ,yyscan_t yyscanner);

    static void yy_pop_state (yyscan_t yyscanner );

/* Amount of stuff to slurp up with each read. */

#ifndef YY_READ_BUF_SIZE

#ifdef __ia64__

/* On IA-64, the buffer size is 16k, not 8k */

#define YY_READ_BUF_SIZE 16384

#else

#define YY_READ_BUF_SIZE 8192

#endif /* __ia64__ */

#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( yytext, yyleng, 1, yyout )) {} } 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 = '*'; \

		size_t n; \

		for ( n = 0; n < max_size && \

			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \

			buf[n] = (char) c; \

		if ( c == '\n' ) \

			buf[n++] = (char) c; \

		if ( c == EOF && ferror( yyin ) ) \

			YY_FATAL_ERROR( "input in flex scanner failed" ); \

		result = n; \

		} \

	else \

		{ \

		errno=0; \

		while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \

			{ \

			if( errno != EINTR) \

				{ \

				YY_FATAL_ERROR( "input in flex scanner failed" ); \

				break; \

				} \

			errno=0; \

			clearerr(yyin); \

			} \

		}\

\

#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 , yyscanner)

#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 ap_expr_yylex \

               (YYSTYPE * yylval_param ,yyscan_t yyscanner);

#define YY_DECL int ap_expr_yylex \

               (YYSTYPE * yylval_param , yyscan_t yyscanner)

#endif /* !YY_DECL */

/* Code executed at the beginning of each rule, after yytext and yyleng

 * 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;

    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

#line 78 "util_expr_scan.l"

  char  regex_buf[MAX_STRING_LEN];

  char *regex_ptr = NULL;

  char  regex_del = '\0';

 /*

  * Set initial state for string expressions

  */

  if (yyextra->at_start) {

    yyextra->at_start = 0;

    if (yyextra->flags & AP_EXPR_FLAG_STRING_RESULT) {

        BEGIN(str);

        return T_EXPR_STRING;

    }

    else {

        return T_EXPR_BOOL;

    }

  }