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flex_parser.c

#line 3 "lex.yy.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 31
#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
#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 */

#if __STDC__

#define YY_USE_CONST

#endif      /* __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 yyrestart(yyin  )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE 16384
#endif

#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif

extern int yyleng;

extern FILE *yyin, *yyout;

#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 = (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 yytext again */ \
            } \
      while ( 0 )

#define unput(c) yyunput( c, (yytext_ptr)  )

/* The following is because we cannot portably get our hands on size_t
 * (without autoconf's help, which isn't available because we want
 * flex-generated scanners to compile on their own).
 */

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef unsigned int 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 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 */

/* 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 yytext is formed. */
static char yy_hold_char;
static int yy_n_chars;        /* number of characters read into yy_ch_buf */
int yyleng;

/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
static int yy_init = 1;       /* whether we need to initialize */
static int yy_start = 0;      /* start state number */

/* Flag which is used to allow yywrap()'s to do buffer switches
 * instead of setting up a fresh yyin.  A bit of a hack ...
 */
static int yy_did_buffer_switch_on_eof;

void yyrestart (FILE *input_file  );
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE yy_create_buffer (FILE *file,int size  );
void yy_delete_buffer (YY_BUFFER_STATE b  );
void yy_flush_buffer (YY_BUFFER_STATE b  );
void yypush_buffer_state (YY_BUFFER_STATE new_buffer  );
void yypop_buffer_state (void );

static void yyensure_buffer_stack (void );
static void yy_load_buffer_state (void );
static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file  );

#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )

YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size  );
YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str  );
YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len  );

void *yyalloc (yy_size_t  );
void *yyrealloc (void *,yy_size_t  );
void yyfree (void *  );

#define yy_new_buffer yy_create_buffer

#define yy_set_interactive(is_interactive) \
      { \
      if ( ! YY_CURRENT_BUFFER ){ \
        yyensure_buffer_stack (); \
            YY_CURRENT_BUFFER_LVALUE =    \
            yy_create_buffer(yyin,YY_BUF_SIZE ); \
      } \
      YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
      }

#define yy_set_bol(at_bol) \
      { \
      if ( ! YY_CURRENT_BUFFER ){\
        yyensure_buffer_stack (); \
            YY_CURRENT_BUFFER_LVALUE =    \
            yy_create_buffer(yyin,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 */

#define yywrap(n) 1
#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;

typedef int yy_state_type;

extern int yylineno;

int yylineno = 1;

extern char *yytext;
#define yytext_ptr yytext

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 yytext.
 */
#define YY_DO_BEFORE_ACTION \
      (yytext_ptr) = yy_bp; \
      yyleng = (size_t) (yy_cp - yy_bp); \
      (yy_hold_char) = *yy_cp; \
      *yy_cp = '\0'; \
      (yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 42
#define YY_END_OF_BUFFER 43
/* 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[138] =
    {   0,
       40,   40,   40,   40,   43,   41,   40,   40,   41,    9,
       41,   41,   13,   13,   19,   19,   19,   19,   19,   19,
       19,   41,   12,    1,   10,   41,    8,   41,   41,   41,
       41,   41,   41,   41,   41,   41,   40,    0,   35,    0,
       14,   13,   13,   13,   15,   18,   16,   17,    0,   39,
       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
       19,   19,    0,   38,   11,    2,    3,    0,    0,    5,
        0,    0,    0,    0,   13,   15,   18,   16,   17,   19,
       19,   19,   19,   19,   19,    0,   33,   19,   19,   19,
       19,    4,    7,    6,    0,   37,   19,   19,   19,    0,

       36,    0,   24,   19,    0,   34,    0,   20,   19,   19,
        0,   28,   19,    0,   25,   19,    0,   21,   19,    0,
       29,   19,    0,   26,    0,   22,    0,   32,    0,   30,
        0,   27,    0,   23,    0,   31,    0
    } ;

static yyconst flex_int32_t yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        2,    2,    2,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    4,    1,    1,    1,    5,    6,    1,    7,
        8,    9,   10,   11,   12,   13,   14,   15,   16,   17,
       17,   17,   17,   17,   17,   18,   18,    1,    1,   19,
       20,   21,    1,    1,   22,   23,   24,   25,   23,   23,
       26,   26,   26,   26,   26,   26,   27,   28,   29,   30,
       26,   31,   26,   26,   26,   26,   26,   32,   26,   26,
        1,    1,    1,   33,    1,    1,   34,   35,   36,   37,

       23,   23,   38,   39,   40,   26,   26,   41,   42,   43,
       44,   45,   46,   47,   48,   49,   26,   26,   26,   50,
       26,   26,    1,   51,    1,   52,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[53] =
    {   0,
        1,    2,    2,    1,    1,    1,    2,    1,    1,    1,
        1,    1,    1,    1,    3,    3,    3,    3,    1,    1,
        1,    3,    3,    3,    3,    2,    2,    2,    2,    2,
        2,    2,    1,    3,    3,    3,    3,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        1,    1
    } ;

static yyconst flex_int16_t yy_base[141] =
    {   0,
        0,    0,   52,    0,  201,  474,  103,  105,  107,  474,
      100,  108,  116,  124,  141,  143,  150,  160,  162,  169,
      176,  178,  474,  474,  196,  178,  474,  169,  156,  153,
      146,  139,  118,  112,  107,  105,  156,  185,  474,  178,
      196,  205,  209,  217,  192,    0,  158,    0,  234,  474,
      236,  242,  244,  250,  252,  258,  260,  266,  268,  274,
      276,  282,  289,  474,  474,  474,  474,  122,  113,  474,
      105,   93,   91,   75,  282,  294,    0,  278,    0,  309,
      311,  317,  319,  325,  327,  333,  474,  335,  341,  343,
      349,  474,  474,  474,  351,  474,  361,  367,  369,  375,

      474,  382,  474,  384,  391,  474,  394,  474,  400,  402,
      408,  474,  410,  416,  474,  418,  424,  474,  426,  432,
      474,  434,  440,  474,  442,  474,  448,  474,  450,  474,
      456,  474,  458,  474,  464,  474,  474,  470,  117,  109
    } ;

static yyconst flex_int16_t yy_def[141] =
    {   0,
      137,    1,  137,    3,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  138,  138,  138,  138,  138,  138,
      138,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  139,  137,  140,  137,  137,
      138,  138,  138,  138,  138,  138,  138,  138,  138,  138,
      138,  138,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  139,  137,  140,  138,
      138,  138,  138,  138,  138,  137,  137,  138,  138,  138,
      138,  137,  137,  137,  137,  137,  138,  138,  138,  137,

      137,  137,  137,  138,  137,  137,  137,  137,  138,  138,
      137,  137,  138,  137,  137,  138,  137,  137,  138,  137,
      137,  138,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,    0,  137,  137,  137
    } ;

static yyconst flex_int16_t yy_nxt[527] =
    {   0,
        6,    7,    8,    9,    6,    6,   10,    6,    6,    6,
       11,   12,   11,    6,   13,   14,   14,   14,    6,    6,
        6,   15,   15,   16,   15,   15,   15,   15,   15,   15,
       15,   15,    6,   17,   15,   18,   15,   15,   15,   15,
       19,   15,   15,   15,   15,   15,   15,   20,   21,   15,
        6,   22,    6,    7,    8,   23,   24,   24,    6,   25,
       24,   24,    6,   24,    6,   24,    6,    6,    6,    6,
       26,   27,   28,   29,    6,    6,    6,    6,   30,    6,
       31,    6,    6,   32,   24,   33,    6,    6,    6,    6,
        6,    6,    6,   34,    6,   35,    6,    6,    6,    6,

        6,   36,   24,    6,   37,   37,   37,   37,   38,   38,
       40,   79,   40,   39,   41,   41,   41,   41,   40,   77,
       40,   94,   42,   42,   42,   42,   43,   93,   43,   92,
       44,   44,   44,   44,   43,   94,   43,   93,   44,   44,
       44,   44,   49,   49,   49,   49,   92,   50,   74,   50,
       45,   49,   49,   70,   46,   73,   50,   37,   37,   47,
       72,   49,   49,   49,   49,   48,   50,   71,   50,   52,
       49,   49,   78,   78,   78,   50,   70,   49,   49,   63,
       63,   69,   50,   68,   64,   53,   38,   38,   40,   67,
       40,   39,   41,   41,   41,   41,   66,   54,   55,   65,

      137,   56,   76,   57,   58,   59,   76,   76,   60,   62,
       41,   41,   41,   41,   61,   43,  137,   43,  137,   44,
       44,   44,   44,   75,   75,   75,   75,   43,  137,   43,
      137,   44,   44,   44,   44,   49,   49,   49,   49,  137,
       50,  137,   50,   49,   49,   49,   49,  137,   50,  137,
       50,   49,   49,   49,   49,  137,   50,  137,   50,   49,
       49,   49,   49,  137,   50,  137,   50,   86,   86,   49,
       49,   80,   87,  137,   50,   49,   49,   49,   49,  137,
       50,  137,   50,   49,   49,   83,  137,   81,   50,   82,
       63,   63,   78,   78,   78,   64,   75,   75,   75,   75,

      137,  137,   84,  137,   76,   88,  137,   85,   76,   76,
       95,   95,   49,   49,  137,   96,   89,   50,   49,   49,
       49,   49,   90,   50,   91,   50,  100,  100,  102,  102,
      137,  101,  137,  103,   86,   86,  105,  105,  137,   87,
      137,  106,  107,  107,   49,   49,  137,  108,  137,   50,
      111,  111,   95,   95,  137,  112,  137,   96,   97,   98,
      137,   99,  114,  114,  137,  104,  137,  115,  117,  117,
      120,  120,  137,  118,  137,  121,  100,  100,  137,  109,
      137,  101,  137,  102,  102,  123,  123,  113,  103,  137,
      124,  110,  105,  105,  137,  107,  107,  106,  137,  116,

      108,  125,  125,  127,  127,  119,  126,  122,  128,  111,
      111,  129,  129,  137,  112,  137,  130,  114,  114,  131,
      131,  137,  115,  137,  132,  117,  117,  133,  133,  137,
      118,  137,  134,  120,  120,  135,  135,  137,  121,  137,
      136,  123,  123,  125,  125,  137,  124,  137,  126,  127,
      127,  129,  129,  137,  128,  137,  130,  131,  131,  133,
      133,  137,  132,  137,  134,  135,  135,  137,  137,  137,
      136,   51,   51,    5,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,

      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137
    } ;

static yyconst flex_int16_t yy_chk[527] =
    {   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,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,

        3,    3,    3,    3,    7,    7,    8,    8,    9,    9,
       11,  140,   11,    9,   11,   11,   11,   11,   12,  139,
       12,   74,   12,   12,   12,   12,   13,   73,   13,   72,
       13,   13,   13,   13,   14,   71,   14,   69,   14,   14,
       14,   14,   15,   15,   16,   16,   68,   15,   36,   16,
       13,   17,   17,   35,   13,   34,   17,   37,   37,   13,
       33,   18,   18,   19,   19,   13,   18,   32,   19,   16,
       20,   20,   47,   47,   47,   20,   31,   21,   21,   22,
       22,   30,   21,   29,   22,   17,   38,   38,   40,   28,
       40,   38,   40,   40,   40,   40,   26,   17,   17,   25,

        5,   18,   45,   18,   19,   19,   45,   45,   20,   21,
       41,   41,   41,   41,   20,   42,    0,   42,    0,   42,
       42,   42,   42,   43,   43,   43,   43,   44,    0,   44,
        0,   44,   44,   44,   44,   49,   49,   51,   51,    0,
       49,    0,   51,   52,   52,   53,   53,    0,   52,    0,
       53,   54,   54,   55,   55,    0,   54,    0,   55,   56,
       56,   57,   57,    0,   56,    0,   57,   58,   58,   59,
       59,   52,   58,    0,   59,   60,   60,   61,   61,    0,
       60,    0,   61,   62,   62,   55,    0,   53,   62,   54,
       63,   63,   78,   78,   78,   63,   75,   75,   75,   75,

        0,    0,   56,    0,   76,   59,    0,   57,   76,   76,
       80,   80,   81,   81,    0,   80,   60,   81,   82,   82,
       83,   83,   61,   82,   62,   83,   84,   84,   85,   85,
        0,   84,    0,   85,   86,   86,   88,   88,    0,   86,
        0,   88,   89,   89,   90,   90,    0,   89,    0,   90,
       91,   91,   95,   95,    0,   91,    0,   95,   81,   82,
        0,   83,   97,   97,    0,   85,    0,   97,   98,   98,
       99,   99,    0,   98,    0,   99,  100,  100,    0,   89,
        0,  100,    0,  102,  102,  104,  104,   91,  102,    0,
      104,   90,  105,  105,    0,  107,  107,  105,    0,   97,

      107,  109,  109,  110,  110,   98,  109,   99,  110,  111,
      111,  113,  113,    0,  111,    0,  113,  114,  114,  116,
      116,    0,  114,    0,  116,  117,  117,  119,  119,    0,
      117,    0,  119,  120,  120,  122,  122,    0,  120,    0,
      122,  123,  123,  125,  125,    0,  123,    0,  125,  127,
      127,  129,  129,    0,  127,    0,  129,  131,  131,  133,
      133,    0,  131,    0,  133,  135,  135,    0,    0,    0,
      135,  138,  138,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,

      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137
    } ;

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

extern int yy_flex_debug;
int yy_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 *yytext;
#line 1 "flex_parser.l"
/* TODO
* 
*/

#line 15 "flex_parser.l"
#include <stdlib.h>
#include <ctype.h>

#include "galculator.h"
#include "calc_basic.h"
#include "general_functions.h"
#include "math_functions.h"
#include "flex_parser.h"

static int flex_parser_identify_constant (char *string);
static int flex_parser_identify_user_function (char *string);
static void flex_parser_submit_token(char operation);
static void flex_parser_submit_func_token (double (*func)(double));

static GSList           *user_function_stack=NULL, *flex_buffer_stack=NULL;
static ALG_OBJECT *alg_object_stack=NULL;
static s_cb_token       parser_token;
static int        bracket_counter=0;
#line 628 "lex.yy.c"

#define INITIAL 0
#define OP 1

#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

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap (void );
#else
extern int yywrap (void );
#endif
#endif

#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 (void) fwrite( yytext, yyleng, 1, yyout )
#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 )
#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 yylex (void);

#define YY_DECL int yylex (void)
#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;
    
#line 36 "flex_parser.l"

      /* 
       * OPERATIONS.
       */
#line 783 "lex.yy.c"

      if ( (yy_init) )
            {
            (yy_init) = 0;

#ifdef YY_USER_INIT
            YY_USER_INIT;
#endif

            if ( ! (yy_start) )
                  (yy_start) = 1;   /* first start state */

            if ( ! yyin )
                  yyin = stdin;

            if ( ! yyout )
                  yyout = stdout;

            if ( ! YY_CURRENT_BUFFER ) {
                  yyensure_buffer_stack ();
                  YY_CURRENT_BUFFER_LVALUE =
                        yy_create_buffer(yyin,YY_BUF_SIZE );
            }

            yy_load_buffer_state( );
            }

      while ( 1 )       /* loops until end-of-file is reached */
            {
            yy_cp = (yy_c_buf_p);

            /* Support of yytext. */
            *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 >= 138 )
                              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_current_state != 137 );
            yy_cp = (yy_last_accepting_cpos);
            yy_current_state = (yy_last_accepting_state);

yy_find_action:
            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 40 "flex_parser.l"
flex_parser_submit_token(*yytext);
      YY_BREAK
case 2:
YY_RULE_SETUP
#line 41 "flex_parser.l"
flex_parser_submit_token('<');
      YY_BREAK
case 3:
YY_RULE_SETUP
#line 42 "flex_parser.l"
flex_parser_submit_token('>');
      YY_BREAK
case 4:
YY_RULE_SETUP
#line 43 "flex_parser.l"
flex_parser_submit_token('&');
      YY_BREAK
case 5:
YY_RULE_SETUP
#line 44 "flex_parser.l"
flex_parser_submit_token('|');
      YY_BREAK
case 6:
YY_RULE_SETUP
#line 45 "flex_parser.l"
flex_parser_submit_token('x');
      YY_BREAK
case 7:
YY_RULE_SETUP
#line 46 "flex_parser.l"
flex_parser_submit_token('m');
      YY_BREAK
case 8:
YY_RULE_SETUP
#line 47 "flex_parser.l"
flex_parser_submit_token('='); return TRUE;
      YY_BREAK
/* 
       * opening bracket - a bit different from an operation 
       */
case 9:
YY_RULE_SETUP
#line 51 "flex_parser.l"
{
                  parser_token.func = NULL;
                  parser_token.operation = *yytext;
                  alg_add_token (CURRENT_ALG_OBJECT, parser_token);
                  bracket_counter++;
            }
      YY_BREAK
/* 
       * closing bracket - a bit different from an operation 
       */
case 10:
YY_RULE_SETUP
#line 60 "flex_parser.l"
{
                  parser_token.func = NULL;
                  parser_token.operation = *yytext;
                  /* closing bracket must be followed by operation,
                   * the value we want to feed with that operation
                   * is alg_add_token's return value
                   */
                  parser_token.number = alg_add_token (CURRENT_ALG_OBJECT, parser_token);
                  bracket_counter--;
            }
      YY_BREAK
case 11:
YY_RULE_SETUP
#line 70 "flex_parser.l"
{
                  parser_token.func = factorial;
                  parser_token.operation = *yytext;
                  /* closing bracket must be followed by operation,
                   * the value we want to feed with that operation
                   * is alg_add_token's return value
                   */
                  parser_token.number = alg_add_token (CURRENT_ALG_OBJECT, parser_token);
                  bracket_counter--;
            }
      YY_BREAK
/* 
       * FACTORIAL - only after a number, not after a bracket enclosed expression
       */
case 12:
YY_RULE_SETUP
#line 84 "flex_parser.l"
parser_token.number = factorial(parser_token.number);
      YY_BREAK
/* 
       * NUMBERS
       */
case 13:
YY_RULE_SETUP
#line 89 "flex_parser.l"
parser_token.number = string2double (yytext, CS_DEC); BEGIN(OP);
      YY_BREAK
case 14:
YY_RULE_SETUP
#line 90 "flex_parser.l"
parser_token.number = string2double (yytext, CS_DEC); BEGIN(OP);
      YY_BREAK
case 15:
YY_RULE_SETUP
#line 91 "flex_parser.l"
yytext+=2*sizeof(char); parser_token.number = string2double (yytext, CS_BIN); BEGIN(OP);
      YY_BREAK
case 16:
YY_RULE_SETUP
#line 92 "flex_parser.l"
yytext+=2*sizeof(char); parser_token.number = string2double (yytext, CS_OCT); BEGIN(OP);
      YY_BREAK
case 17:
YY_RULE_SETUP
#line 93 "flex_parser.l"
yytext+=2*sizeof(char); parser_token.number = string2double (yytext, CS_HEX); BEGIN(OP);
      YY_BREAK
case 18:
YY_RULE_SETUP
#line 94 "flex_parser.l"
yytext+=2*sizeof(char); parser_token.number = string2double (yytext, CS_HEX); BEGIN(OP);
      YY_BREAK
/* 
       * CONSTANTS __maybe__ 
       */
case 19:
YY_RULE_SETUP
#line 98 "flex_parser.l"
{
                  if (flex_parser_identify_constant(yytext) == FALSE)  return FALSE;
                  BEGIN(OP);
            }
      YY_BREAK
/* 
       * FUNCTIONS
       */
case 20:
/* rule 20 can match eol */
YY_RULE_SETUP
#line 105 "flex_parser.l"
flex_parser_submit_func_token (sin_wrapper);
      YY_BREAK
case 21:
/* rule 21 can match eol */
YY_RULE_SETUP
#line 106 "flex_parser.l"
flex_parser_submit_func_token (asin_wrapper);
      YY_BREAK
case 22:
/* rule 22 can match eol */
YY_RULE_SETUP
#line 107 "flex_parser.l"
flex_parser_submit_func_token (sinh);
      YY_BREAK
case 23:
/* rule 23 can match eol */
YY_RULE_SETUP
#line 108 "flex_parser.l"
flex_parser_submit_func_token (asinh);
      YY_BREAK
case 24:
/* rule 24 can match eol */
YY_RULE_SETUP
#line 109 "flex_parser.l"
flex_parser_submit_func_token (cos_wrapper);
      YY_BREAK
case 25:
/* rule 25 can match eol */
YY_RULE_SETUP
#line 110 "flex_parser.l"
flex_parser_submit_func_token (acos_wrapper);
      YY_BREAK
case 26:
/* rule 26 can match eol */
YY_RULE_SETUP
#line 111 "flex_parser.l"
flex_parser_submit_func_token (cosh);
      YY_BREAK
case 27:
/* rule 27 can match eol */
YY_RULE_SETUP
#line 112 "flex_parser.l"
flex_parser_submit_func_token (acosh);
      YY_BREAK
case 28:
/* rule 28 can match eol */
YY_RULE_SETUP
#line 113 "flex_parser.l"
flex_parser_submit_func_token (tan_wrapper);
      YY_BREAK
case 29:
/* rule 29 can match eol */
YY_RULE_SETUP
#line 114 "flex_parser.l"
flex_parser_submit_func_token (atan_wrapper);
      YY_BREAK
case 30:
/* rule 30 can match eol */
YY_RULE_SETUP
#line 115 "flex_parser.l"
flex_parser_submit_func_token (tanh);
      YY_BREAK
case 31:
/* rule 31 can match eol */
YY_RULE_SETUP
#line 116 "flex_parser.l"
flex_parser_submit_func_token (atanh);
      YY_BREAK
case 32:
/* rule 32 can match eol */
YY_RULE_SETUP
#line 117 "flex_parser.l"
flex_parser_submit_func_token (sqrt);
      YY_BREAK
case 33:
/* rule 33 can match eol */
YY_RULE_SETUP
#line 118 "flex_parser.l"
flex_parser_submit_func_token (log);
      YY_BREAK
case 34:
/* rule 34 can match eol */
YY_RULE_SETUP
#line 119 "flex_parser.l"
flex_parser_submit_func_token (log10);
      YY_BREAK
case 35:
/* rule 35 can match eol */
YY_RULE_SETUP
#line 120 "flex_parser.l"
flex_parser_submit_func_token (factorial);
      YY_BREAK
case 36:
/* rule 36 can match eol */
YY_RULE_SETUP
#line 121 "flex_parser.l"
flex_parser_submit_func_token (cmp);
      YY_BREAK
case 37:
/* rule 37 can match eol */
YY_RULE_SETUP
#line 122 "flex_parser.l"
flex_parser_submit_func_token (cmp);
      YY_BREAK
case 38:
/* rule 38 can match eol */
YY_RULE_SETUP
#line 123 "flex_parser.l"
flex_parser_submit_func_token (cmp);
      YY_BREAK
/* 
       * USER DEFINED FUNCTIONS. __maybe__
       */
case 39:
/* rule 39 can match eol */
YY_RULE_SETUP
#line 127 "flex_parser.l"
if (flex_parser_identify_user_function (yytext) == FALSE) return FALSE;
      YY_BREAK
/*
       * ignore spaces
       */
case 40:
/* rule 40 can match eol */
YY_RULE_SETUP
#line 131 "flex_parser.l"

      YY_BREAK
/*
       * UNKNOWN
       */
case 41:
YY_RULE_SETUP
#line 135 "flex_parser.l"
return FALSE;
      YY_BREAK
case 42:
YY_RULE_SETUP
#line 137 "flex_parser.l"
ECHO;
      YY_BREAK
#line 1146 "lex.yy.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(OP):
      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 yyin at a new source and called
                   * yylex().  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 = yyin;
                  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_last_accepting_cpos);
                        yy_current_state = (yy_last_accepting_state);
                        goto yy_find_action;
                        }
                  }

            else switch ( yy_get_next_buffer(  ) )
                  {
                  case EOB_ACT_END_OF_FILE:
                        {
                        (yy_did_buffer_switch_on_eof) = 0;

                        if ( yywrap( ) )
                              {
                              /* Note: because we've taken care in
                               * yy_get_next_buffer() to have set up
                               * yytext, 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 yylex */

/* 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
            {
                  size_t 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. */
                              yyrealloc((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), 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;
                  yyrestart(yyin  );
                  }

            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;

      (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 >= 138 )
                        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 >= 138 )
                  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 == 137);

      return yy_is_jam ? 0 : yy_current_state;
}

#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. */
                              yyrestart(yyin );

                              /*FALLTHROUGH*/

                        case EOB_ACT_END_OF_FILE:
                              {
                              if ( yywrap( ) )
                                    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 yytext */
      (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 yyrestart  (FILE * input_file )
{
    
      if ( ! YY_CURRENT_BUFFER ){
        yyensure_buffer_stack ();
            YY_CURRENT_BUFFER_LVALUE =
            yy_create_buffer(yyin,YY_BUF_SIZE );
      }

      yy_init_buffer(YY_CURRENT_BUFFER,input_file );
      yy_load_buffer_state( );
}

/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * 
 */
    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
{
    
      /* TODO. We should be able to replace this entire function body
       * with
       *          yypop_buffer_state();
       *          yypush_buffer_state(new_buffer);
     */
      yyensure_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;
      yy_load_buffer_state( );

      /* We don't actually know whether we did this switch during
       * EOF (yywrap()) processing, but the only time this flag
       * is looked at is after yywrap() is called, so it's safe
       * to go ahead and always set it.
       */
      (yy_did_buffer_switch_on_eof) = 1;
}

static void yy_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;
      yyin = 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 yy_create_buffer  (FILE * file, int  size )
{
      YY_BUFFER_STATE b;
    
      b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
      if ( ! b )
            YY_FATAL_ERROR( "out of dynamic memory in yy_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 *) yyalloc(b->yy_buf_size + 2  );
      if ( ! b->yy_ch_buf )
            YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

      b->yy_is_our_buffer = 1;

      yy_init_buffer(b,file );

      return b;
}

/** Destroy the buffer.
 * @param b a buffer created with yy_create_buffer()
 * 
 */
    void yy_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 )
            yyfree((void *) b->yy_ch_buf  );

      yyfree((void *) b  );
}

/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a yyrestart() or at EOF.
 */
    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )

{
      int oerrno = errno;
    
      yy_flush_buffer(b );

      b->yy_input_file = file;
      b->yy_fill_buffer = 1;

    /* If b is the current buffer, then yy_init_buffer was _probably_
     * called from yyrestart() 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 = 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 yy_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 )
            yy_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 yypush_buffer_state (YY_BUFFER_STATE new_buffer )
{
      if (new_buffer == NULL)
            return;

      yyensure_buffer_stack();

      /* This block is copied from yy_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 yy_switch_to_buffer. */
      yy_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 yypop_buffer_state (void)
{
      if (!YY_CURRENT_BUFFER)
            return;

      yy_delete_buffer(YY_CURRENT_BUFFER );
      YY_CURRENT_BUFFER_LVALUE = NULL;
      if ((yy_buffer_stack_top) > 0)
            --(yy_buffer_stack_top);

      if (YY_CURRENT_BUFFER) {
            yy_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 yyensure_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**)yyalloc
                                                (num_to_alloc * sizeof(struct yy_buffer_state*)
                                                );
            
            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**)yyrealloc
                                                ((yy_buffer_stack),
                                                num_to_alloc * sizeof(struct yy_buffer_state*)
                                                );

            /* 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 yy_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) yyalloc(sizeof( struct yy_buffer_state )  );
      if ( ! b )
            YY_FATAL_ERROR( "out of dynamic memory in yy_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;

      yy_switch_to_buffer(b  );

      return b;
}

/** Setup the input buffer state to scan a string. The next call to yylex() will
 * scan from a @e copy of @a str.
 * @param str 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
 *       yy_scan_bytes() instead.
 */
YY_BUFFER_STATE yy_scan_string (yyconst char * yy_str )
{
    
      return yy_scan_bytes(yy_str,strlen(yy_str) );
}

/** Setup the input buffer state to scan the given bytes. The next call to yylex() 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 yy_scan_bytes  (yyconst char * bytes, int  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 = len + 2;
      buf = (char *) yyalloc(n  );
      if ( ! buf )
            YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );

      for ( i = 0; i < len; ++i )
            buf[i] = bytes[i];

      buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;

      b = yy_scan_buffer(buf,n );
      if ( ! b )
            YY_FATAL_ERROR( "bad buffer in yy_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 yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
            yytext[yyleng] = (yy_hold_char); \
            (yy_c_buf_p) = yytext + yyless_macro_arg; \
            (yy_hold_char) = *(yy_c_buf_p); \
            *(yy_c_buf_p) = '\0'; \
            yyleng = yyless_macro_arg; \
            } \
      while ( 0 )

/* Accessor  methods (get/set functions) to struct members. */

/** Get the current line number.
 * 
 */
int yyget_lineno  (void)
{
        
    return yylineno;
}

/** Get the input stream.
 * 
 */
FILE *yyget_in  (void)
{
        return yyin;
}

/** Get the output stream.
 * 
 */
FILE *yyget_out  (void)
{
        return yyout;
}

/** Get the length of the current token.
 * 
 */
int yyget_leng  (void)
{
        return yyleng;
}

/** Get the current token.
 * 
 */

char *yyget_text  (void)
{
        return yytext;
}

/** Set the current line number.
 * @param line_number
 * 
 */
void yyset_lineno (int  line_number )
{
    
    yylineno = line_number;
}

/** Set the input stream. This does not discard the current
 * input buffer.
 * @param in_str A readable stream.
 * 
 * @see yy_switch_to_buffer
 */
void yyset_in (FILE *  in_str )
{
        yyin = in_str ;
}

void yyset_out (FILE *  out_str )
{
        yyout = out_str ;
}

int yyget_debug  (void)
{
        return yy_flex_debug;
}

void yyset_debug (int  bdebug )
{
        yy_flex_debug = bdebug ;
}

/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy  (void)
{
    
    /* Pop the buffer stack, destroying each element. */
      while(YY_CURRENT_BUFFER){
            yy_delete_buffer(YY_CURRENT_BUFFER  );
            YY_CURRENT_BUFFER_LVALUE = NULL;
            yypop_buffer_state();
      }

      /* Destroy the stack itself. */
      yyfree((yy_buffer_stack) );
      (yy_buffer_stack) = NULL;

    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 *yyalloc (yy_size_t  size )
{
      return (void *) malloc( size );
}

void *yyrealloc  (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 yyfree (void * ptr )
{
      free( (char *) ptr );   /* see yyrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

#undef YY_NEW_FILE
#undef YY_FLUSH_BUFFER
#undef yy_set_bol
#undef yy_new_buffer
#undef yy_set_interactive
#undef yytext_ptr
#undef YY_DO_BEFORE_ACTION

#ifdef YY_DECL_IS_OURS
#undef YY_DECL_IS_OURS
#undef YY_DECL
#endif
#line 137 "flex_parser.l"



static double user_function_handler (double value)
{
      int               index;
      s_flex_parser_result    result;

      /* pop user function index from stack */
      index = GPOINTER_TO_INT (user_function_stack->data);
      user_function_stack = g_slist_delete_link (user_function_stack, user_function_stack);
      result = compute_user_function (user_function[index].expression, 
            user_function[index].variable, 
            get_display_number_string (value, CS_DEC));
      if (!result.error) return result.value;
      else yyterminate();
}

static int flex_parser_identify_user_function (char *string)
{     
      int   counter;

      /* remove spaces and opening bracket */
      counter = strlen(string) - 2;
      while ((counter > 0) && isspace(string[counter])) counter--;
      string[counter + 1] = '\0';
      counter = 0;
      while (user_function[counter].name != NULL) {
            if (strcmp (user_function[counter].name, string) == 0) {
                  user_function_stack = g_slist_prepend (
                        user_function_stack, GINT_TO_POINTER (counter));
                  flex_parser_submit_func_token(user_function_handler);
                  return TRUE;
            }
            counter++;
      }
      return FALSE;
}

static int flex_parser_identify_constant (char *string)
{
      int   counter = 0;
      
      while (constant[counter].name != NULL) {
            if (strcmp (constant[counter].name, string) == 0) {
                  parser_token.number = string2double(constant[counter].value, CS_DEC);
                  return TRUE;
            }
            counter++;
      }
      return FALSE;
}

static void flex_parser_submit_token (char operation)
{
      parser_token.operation = operation;
      parser_token.number = alg_add_token (CURRENT_ALG_OBJECT, parser_token);
      BEGIN(INITIAL);
}

static void flex_parser_submit_func_token (double (*func)(double))
{
      parser_token.func = func;
      parser_token.operation = '(';
      alg_add_token (CURRENT_ALG_OBJECT, parser_token);
      bracket_counter++;
}

s_flex_parser_result flex_parser (const char *string)
{
      int               string_length, bracket_level;
      char              *my_string;
      static int        recursion_counter = 0;
      s_flex_parser_result    return_result;
      
      recursion_counter++;
      if (recursion_counter > FLEX_PARSER_NR_RECURSIONS)
            fprintf (stderr, _("[%s] flex parser was called more than %i times. Do you \
know what you are doing? If not: %s\n"), PROG_NAME, FLEX_PARSER_NR_RECURSIONS, BUG_REPORT);
      /* create a '=' terminated copy of string */
      string_length = strlen(string);
      if (string[string_length-1] != '=') {
            my_string = (char *) malloc ((string_length + 2) * sizeof(char));
            strcpy(my_string, string);
            my_string[string_length] = '=';
            my_string[string_length + 1] = '\0';
      } else {
            my_string = (char *) malloc ((string_length+ 1) * sizeof(char));
            strcpy (my_string, string);
      }
      /* initialize */
      bracket_level = bracket_counter;
      alg_object_stack = g_slist_prepend (alg_object_stack, alg_init(0));
      /* the flex specific part. put current buffer on stack, create new one */
      flex_buffer_stack = g_slist_prepend (flex_buffer_stack, YY_CURRENT_BUFFER);
        yy_scan_string (my_string);
      BEGIN(INITIAL);
        return_result.error = !yylex();
      /* restore previous buffer state */
        yy_delete_buffer(YY_CURRENT_BUFFER);
      yy_switch_to_buffer (flex_buffer_stack->data);
      flex_buffer_stack = g_slist_delete_link (flex_buffer_stack, flex_buffer_stack);
      free (my_string);
      alg_free (alg_object_stack->data);
      alg_object_stack = g_slist_delete_link (alg_object_stack, alg_object_stack);
      /* after finishing a buffer we insert a number, so state is OP?!?!? */
      BEGIN(OP);
      /* process result */
      if (bracket_counter != bracket_level) {
            return_result.error = TRUE;
            bracket_counter = bracket_level;
      }           
      return_result.value = parser_token.number;
      recursion_counter--;
      return return_result;
}


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