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scan.c

#line 3 "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 33
#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 __STDC_VERSION__ >= 199901L

/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
 * if you want the limit (max/min) macros for int types. 
 */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif

#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t; 
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
#endif /* ! C99 */

/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN               (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN              (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN              (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX               (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX              (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX              (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX              (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX             (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX             (4294967295U)
#endif

#endif /* ! FLEXINT_H */

#ifdef __cplusplus

/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST

#else /* ! __cplusplus */

#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

/* The state buf must be large enough to hold one state per character in the main buffer.
 */
#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))

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

extern int 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 = 0;       /* 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 */

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 46
#define YY_END_OF_BUFFER 47
/* 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[316] =
    {   0,
        0,    0,    2,    2,   47,   45,   40,   38,   32,   45,
        1,   33,   33,   29,   33,   29,   29,   28,   33,   44,
       36,   34,   36,   45,   29,   42,   42,   42,   42,   42,
       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
       42,   42,   45,    2,    2,    3,    2,    2,    1,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,   40,   36,    0,   43,   34,   30,   37,   44,    0,
       41,   44,   44,    0,   35,   39,   42,   42,   42,   42,

       42,   42,   42,   42,   42,   42,   10,   42,   42,   42,
       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
       31,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,   44,    0,    0,   44,    0,   42,   42,   42,   42,
       42,    9,   42,   42,   42,   42,   42,   42,   42,   42,
       42,   42,   42,   42,   42,   42,   42,   42,   42,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,

        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,   16,   42,   42,   42,
       17,   20,   42,   42,   21,   42,   42,   42,   42,    6,
       42,   18,   42,   42,   12,   22,   42,   42,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        5,   42,   42,   42,   14,   42,   42,   15,   26,   42,
       42,   13,   42,   11,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,   42,    4,
       42,    7,   27,   19,    8,   42,    2,    2,    2,    2,

        2,    2,    2,    2,   42,   23,   42,    2,    2,    2,
       25,   24,    2,    2,    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,    1,    7,    8,    1,    9,
       10,   11,   12,   13,   14,   15,   16,   17,   17,   17,
       17,   17,   17,   17,   17,   17,   17,    1,   18,   19,
       20,   21,    1,    1,   22,   22,   22,   22,   22,   22,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
       23,   24,   25,   26,   27,    1,   28,   29,   30,   31,

       32,   33,   34,   35,   36,   37,   38,   39,   40,   41,
       42,   43,   44,   45,   46,   47,   48,   49,   50,   37,
       51,   37,   52,   53,   54,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[55] =
    {   0,
        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    3,    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,    1,    1,    1
    } ;

static yyconst flex_int16_t yy_base[320] =
    {   0,
        0,    0,   54,    0,  553,  554,  550,  554,  531,  545,
      554,  529,  540,  554,  527,   97,   96,   96,  101,  107,
      526,  116,  525,  541,  523,  494,  496,  498,  507,  499,
      495,    0,   83,  104,  107,  507,  490,  486,  106,   96,
      491,  113,  479,    0,  529,  554,  510,  141,    0,  509,
      520,    0,  507,  133,  135,  130,  139,  141,  506,  150,
      505,  521,  503,  160,  123,  125,  137,  112,  130,  474,
      184,  185,  187,  188,  134,  473,  193,  183,  132,  194,
      467,  517,  554,  513,  554,  554,  554,  554,  221,  514,
      554,  222,  232,  513,  554,  554,    0,  468,  482,  472,

      479,  465,  465,  470,  462,  479,    0,  460,  464,  464,
      475,  466,  465,  459,  206,  471,  453,  461,  451,  459,
      554,    0,  492,    0,  178,    0,    0,    0,    0,  233,
      490,    0,  241,  244,  489,    0,  443,   67,  192,  189,
      219,  138,  203,  221,  180,  234,  442,  224,  223,  233,
      246,  239,  240,  236,  250,  251,  235,  253,  245,  255,
        0,  278,  486,  287,  288,  485,  445,  458,  438,  448,
      451,    0,  435,  434,  434,  432,  444,  441,  430,  434,
      427,  442,  441,  423,  431,  422,  437,  422,  427,  291,
      462,  297,  461,  244,  268,  259,  281,  286,  415,  275,

      277,  280,  283,  293,  284,  287,  295,  290,  308,  309,
      414,  303,  297,  315,  302,  310,    0,  423,  424,  418,
        0,    0,  416,  425,    0,  409,  408,  422,  406,    0,
      410,    0,  406,  418,    0,    0,  421,  416,  399,  314,
      312,  313,  398,  397,  311,  323,  396,  317,  319,  336,
      322,  395,  330,  394,  328,  342,  393,  392,  347,  345,
        0,  398,  406,  392,    0,  401,  389,    0,    0,  394,
      392,    0,  391,    0,  383,  338,  348,  337,  382,  346,
      341,  381,  380,  343,  351,  379,  356,  378,  373,    0,
      364,    0,    0,    0,    0,  367,  365,  364,  350,  363,

      362,  361,  359,  355,  374,    0,  337,  368,  237,  357,
        0,    0,  168,  127,  554,  416,  122,  419,  422
    } ;

static yyconst flex_int16_t yy_def[320] =
    {   0,
      315,    1,  315,    3,  315,  315,  315,  315,  315,  316,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  317,  317,  317,  317,  317,
      317,  317,  317,  317,  317,  317,  317,  317,  317,  317,
      317,  317,  315,  318,  318,  315,  318,  319,  318,  318,
      318,  318,  318,  318,  318,  318,  318,  318,  318,  318,
      318,  318,  318,  318,   64,   64,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
      318,  315,  315,  316,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  317,  317,  317,  317,

      317,  317,  317,  317,  317,  317,  317,  317,  317,  317,
      317,  317,  317,  317,  317,  317,  317,  317,  317,  317,
      315,  318,  318,  318,  319,  318,  318,  318,  318,  318,
      318,  318,  318,  318,  318,  318,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
      318,  315,  315,  315,  315,  315,  317,  317,  317,  317,
      317,  317,  317,  317,  317,  317,  317,  317,  317,  317,
      317,  317,  317,  317,  317,  317,  317,  317,  317,  318,
      318,  318,  318,   64,   64,   64,   64,   64,   64,   64,

       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,  317,  317,  317,  317,
      317,  317,  317,  317,  317,  317,  317,  317,  317,  317,
      317,  317,  317,  317,  317,  317,  317,  317,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
      317,  317,  317,  317,  317,  317,  317,  317,  317,  317,
      317,  317,  317,  317,   64,   64,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,  317,  317,
      317,  317,  317,  317,  317,  317,   64,   64,   64,   64,

       64,   64,   64,   64,  317,  317,  317,   64,   64,   64,
      317,  317,   64,   64,    0,  315,  315,  315,  315
    } ;

static yyconst flex_int16_t yy_nxt[609] =
    {   0,
        6,    7,    8,    9,   10,   11,   12,   13,   14,   14,
       15,   16,   14,   17,   18,   19,   20,   14,   21,   22,
       23,   20,   14,   24,   14,   25,    6,   26,   27,   28,
       29,   30,   31,   32,   33,   34,   32,   32,   35,   32,
       32,   36,   37,   38,   39,   40,   32,   32,   41,   42,
       32,   14,   43,   14,   44,   45,   46,   47,   48,   49,
       50,   51,   52,   52,   53,   54,   52,   55,   56,   57,
       58,   52,   59,   60,   61,   58,   52,   62,   52,   63,
       44,   64,   65,   66,   67,   68,   69,   70,   71,   72,
       70,   70,   73,   70,   70,   74,   75,   76,   77,   78,

       70,   70,   79,   80,   70,   52,   81,   52,   88,   88,
      104,   91,   89,  194,  137,   86,   86,   89,  105,   90,
       86,   92,   95,   93,   97,  116,   95,   95,   93,   95,
       94,   95,  106,  114,  108,   83,  107,  115,  109,  117,
      119,   95,  110,   84,  129,  126,  130,  120,  129,  132,
      142,  130,  127,  131,  127,  133,  136,  134,  127,  137,
      136,  136,  134,  136,  135,  136,  140,  139,  141,  124,
      137,  143,  137,  158,  137,  136,  137,  137,  152,  137,
       84,  137,  126,  198,  137,  137,  137,  137,  137,  137,
      137,  137,  137,  137,  137,  137,  137,  137,  137,  137,

      137,  137,  137,  137,  137,  137,  137,  138,  137,  137,
      137,  144,  156,  146,  148,  137,  151,  147,  149,  145,
      154,  159,  150,  195,  155,  201,  157,  137,  160,  196,
      137,  137,  137,  183,  137,  137,  137,  162,  165,  137,
      137,  137,  162,  165,  163,  166,   92,  199,   93,  190,
      137,  197,  184,   93,  190,   94,  191,  192,  133,  200,
      134,  202,  192,  204,  193,  134,  137,  135,  137,  203,
      137,  137,  205,  206,  207,  208,  209,  210,  212,  213,
      137,  137,  137,  137,  137,  239,  137,  137,  214,  215,
      216,  137,  137,  137,  162,  240,  211,  137,  137,  162,

      137,  163,  137,   89,  165,  241,  137,  190,   89,  165,
       90,  166,  190,  192,  191,  137,  242,  243,  192,  249,
      193,  244,  137,  245,  137,  246,  248,  137,  137,  247,
      137,  137,  250,  137,  137,  251,  252,  137,  253,  254,
      137,  256,  137,  257,  137,  258,  259,  276,  260,  137,
      137,  275,  278,  277,  279,  137,  137,  137,  137,  137,
      137,  137,  137,  280,  137,  281,  137,  282,  283,  137,
      137,  284,  285,  286,  287,  137,  288,  137,  297,  298,
      300,  299,  302,  137,  137,  137,  301,  312,  137,  137,
      137,  303,  137,  137,  137,  137,  304,  137,  137,  313,

      309,  310,  137,  137,  137,  311,  137,  314,  137,  137,
      137,  137,  308,  307,  306,  137,   84,   84,   84,  122,
      305,  122,  125,  125,  125,  137,  137,  137,  137,  137,
      137,  296,  295,  294,  293,  292,  291,  290,  289,  137,
      137,  137,  137,  137,  137,  137,  137,  274,  273,  272,
      271,  270,  269,  268,  267,  266,  265,  264,  263,  262,
      261,  255,  137,  165,  162,  238,  237,  236,  235,  234,
      233,  232,  231,  230,  229,  228,  227,  226,  225,  224,
      223,  222,  221,  220,  219,  218,  217,  165,  162,  137,
      137,   93,  164,  123,  189,  188,  187,  186,  185,  182,

      181,  180,  179,  178,  177,  176,  175,  174,  173,  172,
      171,  170,  169,  168,  167,   93,  164,   85,   82,  161,
      153,  137,  127,   96,  124,  124,  127,  128,  127,  124,
      123,  121,  118,  113,  112,  111,  103,  102,  101,  100,
       99,   98,   86,   96,   83,   83,   86,   87,   86,   85,
       83,   82,  315,    5,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,

      315,  315,  315,  315,  315,  315,  315,  315
    } ;

static yyconst flex_int16_t yy_chk[609] =
    {   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,    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,    3,    3,   16,   17,
       33,   19,   18,  138,  138,   17,   16,   18,   33,   18,
       19,   20,   22,   20,  317,   40,   22,   22,   20,   22,
       20,   22,   34,   39,   35,   22,   34,   39,   35,   40,
       42,   22,   35,   48,   54,   48,   56,   42,   55,   57,
       68,   56,   54,   56,   55,   58,   60,   58,   57,   68,
       60,   60,   58,   60,   58,   60,   66,   65,   67,   60,
       65,   69,   66,   79,  314,   60,   64,   69,   75,   79,
      125,   75,  125,  142,   67,  142,   64,   64,   64,   64,
       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,

       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
       64,   71,   78,   72,   73,  313,   74,   72,   73,   71,
       77,   80,   73,  139,   77,  145,   78,  145,   80,  140,
       78,   71,   72,  115,   73,   74,  140,   89,   92,  139,
       77,   80,   89,   92,   89,   92,   93,  143,   93,  130,
      143,  141,  115,   93,  130,   93,  130,  133,  134,  144,
      134,  146,  133,  149,  133,  134,  141,  134,  144,  148,
      149,  148,  150,  151,  152,  153,  154,  155,  156,  157,
      150,  146,  157,  154,  309,  194,  152,  153,  158,  159,
      160,  194,  159,  151,  162,  195,  155,  155,  156,  162,

      158,  162,  160,  164,  165,  196,  196,  190,  164,  165,
      164,  165,  190,  192,  190,  195,  197,  198,  192,  205,
      192,  200,  200,  201,  201,  202,  204,  202,  197,  203,
      203,  205,  206,  198,  206,  207,  208,  208,  209,  210,
      204,  212,  207,  213,  213,  214,  215,  241,  216,  215,
      212,  240,  245,  242,  246,  209,  210,  216,  245,  241,
      242,  240,  214,  248,  248,  249,  249,  250,  251,  251,
      246,  253,  255,  256,  259,  255,  260,  253,  276,  277,
      280,  278,  284,  250,  278,  276,  281,  307,  281,  256,
      284,  285,  260,  280,  259,  277,  287,  299,  285,  308,

      299,  304,  304,  287,  310,  305,  303,  310,  302,  301,
      300,  298,  297,  296,  291,  308,  316,  316,  316,  318,
      289,  318,  319,  319,  319,  288,  286,  283,  282,  279,
      275,  273,  271,  270,  267,  266,  264,  263,  262,  258,
      257,  254,  252,  247,  244,  243,  239,  238,  237,  234,
      233,  231,  229,  228,  227,  226,  224,  223,  220,  219,
      218,  211,  199,  193,  191,  189,  188,  187,  186,  185,
      184,  183,  182,  181,  180,  179,  178,  177,  176,  175,
      174,  173,  171,  170,  169,  168,  167,  166,  163,  147,
      137,  135,  131,  123,  120,  119,  118,  117,  116,  114,

      113,  112,  111,  110,  109,  108,  106,  105,  104,  103,
      102,  101,  100,   99,   98,   94,   90,   84,   82,   81,
       76,   70,   63,   62,   61,   59,   53,   51,   50,   47,
       45,   43,   41,   38,   37,   36,   31,   30,   29,   28,
       27,   26,   25,   24,   23,   21,   15,   13,   12,   10,
        9,    7,    5,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,
      315,  315,  315,  315,  315,  315,  315,  315,  315,  315,

      315,  315,  315,  315,  315,  315,  315,  315
    } ;

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 "scan.l"
/*  This file is part of GNU bc.

    Copyright (C) 1991-1994, 1997, 2006 Free Software Foundation, Inc.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License , or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; see the file COPYING.  If not, write to:
      The Free Software Foundation, Inc.
      Foundation, Inc.  51 Franklin Street, Fifth Floor,
      Boston, MA 02110-1301  USA

    You may contact the author by:
       e-mail:  philnelson@acm.org
      us-mail:  Philip A. Nelson
                Computer Science Department, 9062
                Western Washington University
                Bellingham, WA 98226-9062
       
*************************************************************************/
/* scan.l: the (f)lex description file for the scanner. */
#line 33 "scan.l"

#include "bcdefs.h"
#include "bc.h"
#include "global.h"
#include "proto.h"
#include <errno.h>

/* Using flex, we can ask for a smaller input buffer.  With lex, this
   does nothing! */

#ifdef SMALL_BUF
#undef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 512
#endif

/* Force . as last for now. */
#define DOT_IS_LAST

/* We want to define our own yywrap. */
#undef yywrap
_PROTOTYPE(int yywrap, (void));

#if defined(LIBEDIT)
/* Support for the BSD libedit with history for
   nicer input on the interactive part of input. */

#include <histedit.h>

/* Have input call the following function. */
#undef  YY_INPUT
#define YY_INPUT(buf,result,max_size) \
            bcel_input((char *)buf, &result, max_size)

/* Variables to help interface editline with bc. */
static const char *bcel_line = (char *)NULL;
static int   bcel_len = 0;


/* Required to get rid of that ugly ? default prompt! */
char *
null_prompt (EditLine *el)
{
  return "";
}


/* bcel_input puts upto MAX characters into BUF with the number put in
   BUF placed in *RESULT.  If the yy input file is the same as
   stdin, use editline.  Otherwise, just read it.
*/

static void
bcel_input (buf, result, max)
      char *buf;
      int  *result;
      int   max;
{
  if (!edit || yyin != stdin)
    {
      while ( (*result = read( fileno(yyin), buf, max )) < 0 )
        if (errno != EINTR)
        {
          yyerror( "read() in flex scanner failed" );
          exit (1);
        }
      return;
    }

  /* Do we need a new string? */
  if (bcel_len == 0)
    {
      bcel_line = el_gets(edit, &bcel_len);
      if (bcel_line == NULL) {
      /* end of file */
      *result = 0;
      bcel_len = 0;
      return;
      }
      if (bcel_len != 0)
      history (hist, &histev, H_ENTER, bcel_line); 
      fflush (stdout);
      checkferror_output(stdout);
    }

  if (bcel_len <= max)
    {
      strncpy (buf, bcel_line, bcel_len);
      *result = bcel_len;
      bcel_len = 0;
    }
  else
    {
      strncpy (buf, bcel_line, max);
      *result = max;
      bcel_line += max;
      bcel_len -= max;
    }
}
#endif

#ifdef READLINE
/* Support for the readline and history libraries.  This allows
   nicer input on the interactive part of input. */

/* Have input call the following function. */
#undef  YY_INPUT
#define YY_INPUT(buf,result,max_size) \
            rl_input((char *)buf, &result, max_size)

/* Variables to help interface readline with bc. */
static char *rl_line = (char *)NULL;
static char *rl_start = (char *)NULL;
static int   rl_len = 0;

/* Definitions for readline access. */
extern FILE *rl_instream;

/* rl_input puts upto MAX characters into BUF with the number put in
   BUF placed in *RESULT.  If the yy input file is the same as
   rl_instream (stdin), use readline.  Otherwise, just read it.
*/

static void
rl_input (buf, result, max)
      char *buf;
      int  *result;
      int   max;
{
  if (yyin != rl_instream)
    {
      while ( (*result = read( fileno(yyin), buf, max )) < 0 )
        if (errno != EINTR)
        {
          yyerror( "read() in flex scanner failed" );
          exit (1);
        }
      return;
    }

  /* Do we need a new string? */
  if (rl_len == 0)
    {
      if (rl_start)
      free(rl_start);
      rl_start = readline ("");
      if (rl_start == NULL) {
      /* end of file */
      *result = 0;
      rl_len = 0;
      return;
      }
      rl_line = rl_start;
      rl_len = strlen (rl_line)+1;
      if (rl_len != 1)
      add_history (rl_line); 
      rl_line[rl_len-1] = '\n';
      fflush (stdout);
      checkferror_output(stdout);
    }

  if (rl_len <= max)
    {
      strncpy (buf, rl_line, rl_len);
      *result = rl_len;
      rl_len = 0;
    }
  else
    {
      strncpy (buf, rl_line, max);
      *result = max;
      rl_line += max;
      rl_len -= max;
    }
}
#endif

#if !defined(READLINE) && !defined(LIBEDIT)

/* MINIX returns from read with < 0 if SIGINT is  encountered.
   In flex, we can redefine YY_INPUT to the following.  In lex, this
   does nothing! */
#undef  YY_INPUT
#define YY_INPUT(buf,result,max_size) \
      while ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
          if (errno != EINTR) \
            YY_FATAL_ERROR( "read() in flex scanner failed" );
#endif


#line 909 "scan.c"

#define INITIAL 0
#define slcomment 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

static int yy_init_globals (void );

/* 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

    static void yyunput (int c,char *buf_ptr  );
    
#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int );
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * );
#endif

#ifndef YY_NO_INPUT

#ifdef __cplusplus
static int yyinput (void );
#else
static int input (void );
#endif

#endif

/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif

/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO (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 223 "scan.l"

#line 1065 "scan.c"

      if ( !(yy_init) )
            {
            (yy_init) = 1;

#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 >= 316 )
                              yy_c = yy_meta[(unsigned int) yy_c];
                        }
                  yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
                  ++yy_cp;
                  }
            while ( yy_base[yy_current_state] != 554 );

yy_find_action:
            yy_act = yy_accept[yy_current_state];
            if ( yy_act == 0 )
                  { /* have to back up */
                  yy_cp = (yy_last_accepting_cpos);
                  yy_current_state = (yy_last_accepting_state);
                  yy_act = yy_accept[yy_current_state];
                  }

            YY_DO_BEFORE_ACTION;

do_action:  /* This label is used only to access EOF actions. */

            switch ( yy_act )
      { /* beginning of action switch */
                  case 0: /* must back up */
                  /* undo the effects of YY_DO_BEFORE_ACTION */
                  *yy_cp = (yy_hold_char);
                  yy_cp = (yy_last_accepting_cpos);
                  yy_current_state = (yy_last_accepting_state);
                  goto yy_find_action;

case 1:
YY_RULE_SETUP
#line 224 "scan.l"
{
              if (!std_only)
                BEGIN(slcomment);
              else
                yyerror ("illegal character: #");
            }
      YY_BREAK
case 2:
YY_RULE_SETUP
#line 230 "scan.l"
{ BEGIN(INITIAL); }
      YY_BREAK
case 3:
/* rule 3 can match eol */
YY_RULE_SETUP
#line 231 "scan.l"
{ line_no++; BEGIN(INITIAL); return(ENDOFLINE); }
      YY_BREAK
case 4:
YY_RULE_SETUP
#line 232 "scan.l"
return(Define);
      YY_BREAK
case 5:
YY_RULE_SETUP
#line 233 "scan.l"
return(Break);
      YY_BREAK
case 6:
YY_RULE_SETUP
#line 234 "scan.l"
return(Quit);
      YY_BREAK
case 7:
YY_RULE_SETUP
#line 235 "scan.l"
return(Length);
      YY_BREAK
case 8:
YY_RULE_SETUP
#line 236 "scan.l"
return(Return);
      YY_BREAK
case 9:
YY_RULE_SETUP
#line 237 "scan.l"
return(For);
      YY_BREAK
case 10:
YY_RULE_SETUP
#line 238 "scan.l"
return(If);
      YY_BREAK
case 11:
YY_RULE_SETUP
#line 239 "scan.l"
return(While);
      YY_BREAK
case 12:
YY_RULE_SETUP
#line 240 "scan.l"
return(Sqrt);
      YY_BREAK
case 13:
YY_RULE_SETUP
#line 241 "scan.l"
return(Scale);
      YY_BREAK
case 14:
YY_RULE_SETUP
#line 242 "scan.l"
return(Ibase);
      YY_BREAK
case 15:
YY_RULE_SETUP
#line 243 "scan.l"
return(Obase);
      YY_BREAK
case 16:
YY_RULE_SETUP
#line 244 "scan.l"
return(Auto);
      YY_BREAK
case 17:
YY_RULE_SETUP
#line 245 "scan.l"
return(Else);
      YY_BREAK
case 18:
YY_RULE_SETUP
#line 246 "scan.l"
return(Read);
      YY_BREAK
case 19:
YY_RULE_SETUP
#line 247 "scan.l"
return(Random);
      YY_BREAK
case 20:
YY_RULE_SETUP
#line 248 "scan.l"
return(Halt);
      YY_BREAK
case 21:
YY_RULE_SETUP
#line 249 "scan.l"
return(Last);
      YY_BREAK
case 22:
YY_RULE_SETUP
#line 250 "scan.l"
return(Void); 
      YY_BREAK
case 23:
YY_RULE_SETUP
#line 251 "scan.l"
{
#if defined(READLINE) || defined(LIBEDIT)
        return(HistoryVar);
#else
        yylval.s_value = strcopyof(yytext); return(NAME);
#endif
      }
      YY_BREAK
case 24:
YY_RULE_SETUP
#line 259 "scan.l"
return(Warranty);
      YY_BREAK
case 25:
YY_RULE_SETUP
#line 260 "scan.l"
return(Continue);
      YY_BREAK
case 26:
YY_RULE_SETUP
#line 261 "scan.l"
return(Print);
      YY_BREAK
case 27:
YY_RULE_SETUP
#line 262 "scan.l"
return(Limits);
      YY_BREAK
case 28:
YY_RULE_SETUP
#line 263 "scan.l"
{
#ifdef DOT_IS_LAST
       return(Last);
#else
       yyerror ("illegal character: %s",yytext);
#endif
    }
      YY_BREAK
case 29:
YY_RULE_SETUP
#line 270 "scan.l"
{ yylval.c_value = yytext[0]; 
                                    return((int)yytext[0]); }
      YY_BREAK
case 30:
YY_RULE_SETUP
#line 272 "scan.l"
{ return(AND); }
      YY_BREAK
case 31:
YY_RULE_SETUP
#line 273 "scan.l"
{ return(OR); }
      YY_BREAK
case 32:
YY_RULE_SETUP
#line 274 "scan.l"
{ return(NOT); }
      YY_BREAK
case 33:
YY_RULE_SETUP
#line 275 "scan.l"
{ yylval.c_value = yytext[0]; return((int)yytext[0]); }
      YY_BREAK
case 34:
YY_RULE_SETUP
#line 276 "scan.l"
{ yylval.c_value = yytext[0]; return(ASSIGN_OP); }
      YY_BREAK
case 35:
YY_RULE_SETUP
#line 277 "scan.l"
{ 
#ifdef OLD_EQ_OP
                   char warn_save;
                   warn_save = warn_not_std;
                   warn_not_std = TRUE;
                   warn ("Old fashioned =<op>");
                   warn_not_std = warn_save;
                   yylval.c_value = yytext[1];
#else
                   yylval.c_value = '=';
                   yyless (1);
#endif
                   return(ASSIGN_OP);
                   }
      YY_BREAK
case 36:
YY_RULE_SETUP
#line 291 "scan.l"
{ yylval.s_value = strcopyof(yytext); return(REL_OP); }
      YY_BREAK
case 37:
YY_RULE_SETUP
#line 292 "scan.l"
{ yylval.c_value = yytext[0]; return(INCR_DECR); }
      YY_BREAK
case 38:
/* rule 38 can match eol */
YY_RULE_SETUP
#line 293 "scan.l"
{ line_no++; return(ENDOFLINE); }
      YY_BREAK
case 39:
/* rule 39 can match eol */
YY_RULE_SETUP
#line 294 "scan.l"
{  line_no++;  /* ignore a "quoted" newline */ }
      YY_BREAK
case 40:
YY_RULE_SETUP
#line 295 "scan.l"
{ /* ignore spaces and tabs */ }
      YY_BREAK
case 41:
YY_RULE_SETUP
#line 296 "scan.l"
{
      int c;

      for (;;)
        {
          while ( ((c=input()) != '*') && (c != EOF)) 
            /* eat it */
            if (c == '\n') line_no++;
          if (c == '*')
            {
            while ( (c=input()) == '*') /* eat it*/;
            if (c == '/') break; /* at end of comment */
            if (c == '\n') line_no++;
            }
          if (c == EOF)
            {
            fprintf (stderr,"EOF encountered in a comment.\n");
            break;
            }
        }
      }
      YY_BREAK
case 42:
YY_RULE_SETUP
#line 317 "scan.l"
{ yylval.s_value = strcopyof(yytext); return(NAME); }
      YY_BREAK
case 43:
/* rule 43 can match eol */
YY_RULE_SETUP
#line 318 "scan.l"
{
            unsigned char *look;
            int count = 0;
            yylval.s_value = strcopyof(yytext);
            for (look = yytext; *look != 0; look++)
            {
              if (*look == '\n') line_no++;
              if (*look == '"')  count++;
            }
            if (count != 2) yyerror ("NUL character in string.");
            return(STRING);
          }
      YY_BREAK
case 44:
/* rule 44 can match eol */
YY_RULE_SETUP
#line 330 "scan.l"
{
            unsigned char *src, *dst;
            int len;
            /* remove a trailing decimal point. */
            len = strlen(yytext);
            if (yytext[len-1] == '.')
              yytext[len-1] = 0;
            /* remove leading zeros. */
            src = yytext;
            dst = yytext;
            while (*src == '0') src++;
            if (*src == 0) src--;
            /* Copy strings removing the newlines. */
            while (*src != 0)
            {
                if (*src == '\\')
                {
                  src++; src++;
                  line_no++;
                }
              else
                *dst++ = *src++;
              }
            *dst = 0;
            yylval.s_value = strcopyof(yytext); 
            return(NUMBER);
          }
      YY_BREAK
case 45:
YY_RULE_SETUP
#line 357 "scan.l"
{
        if (yytext[0] < ' ')
          yyerror ("illegal character: ^%c",yytext[0] + '@');
        else
          if (yytext[0] > '~')
            yyerror ("illegal character: \\%03o", (int) yytext[0]);
          else
            yyerror ("illegal character: %s",yytext);
      }
      YY_BREAK
case 46:
YY_RULE_SETUP
#line 366 "scan.l"
ECHO;
      YY_BREAK
#line 1479 "scan.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(slcomment):
      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_c_buf_p);
                        goto yy_find_action;
                        }
                  }

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

                        if ( 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
            {
                  int num_to_read =
                  YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;

            while ( num_to_read <= 0 )
                  { /* Not enough room in the buffer - grow it. */

                  /* just a shorter name for the current buffer */
                  YY_BUFFER_STATE b = YY_CURRENT_BUFFER;

                  int yy_c_buf_p_offset =
                        (int) ((yy_c_buf_p) - b->yy_ch_buf);

                  if ( b->yy_is_our_buffer )
                        {
                        int new_size = b->yy_buf_size * 2;

                        if ( new_size <= 0 )
                              b->yy_buf_size += b->yy_buf_size / 8;
                        else
                              b->yy_buf_size *= 2;

                        b->yy_ch_buf = (char *)
                              /* Include room in for 2 EOB chars. */
                              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 >= 316 )
                        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 >= 316 )
                  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 == 315);

      return yy_is_jam ? 0 : yy_current_state;
}

    static void yyunput (int c, register char * yy_bp )
{
      register char *yy_cp;
    
    yy_cp = (yy_c_buf_p);

      /* undo effects of setting up yytext */
      *yy_cp = (yy_hold_char);

      if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
            { /* need to shift things up to make room */
            /* +2 for EOB chars. */
            register int number_to_move = (yy_n_chars) + 2;
            register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
                              YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
            register char *source =
                        &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];

            while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
                  *--dest = *--source;

            yy_cp += (int) (dest - source);
            yy_bp += (int) (dest - source);
            YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
                  (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;

            if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
                  YY_FATAL_ERROR( "flex scanner push-back overflow" );
            }

      *--yy_cp = (char) c;

      (yytext_ptr) = yy_bp;
      (yy_hold_char) = *yy_cp;
      (yy_c_buf_p) = yy_cp;
}

#ifndef YY_NO_INPUT
#ifdef __cplusplus
    static int yyinput (void)
#else
    static int input  (void)
#endif

{
      int c;
    
      *(yy_c_buf_p) = (yy_hold_char);

      if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
            {
            /* yy_c_buf_p now points to the character we want to return.
             * If this occurs *before* the EOB characters, then it's a
             * valid NUL; if not, then we've hit the end of the buffer.
             */
            if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
                  /* This was really a NUL. */
                  *(yy_c_buf_p) = '\0';

            else
                  { /* need more input */
                  int offset = (yy_c_buf_p) - (yytext_ptr);
                  ++(yy_c_buf_p);

                  switch ( yy_get_next_buffer(  ) )
                        {
                        case EOB_ACT_LAST_MATCH:
                              /* This happens because yy_g_n_b()
                               * sees that we've accumulated a
                               * token and flags that we need to
                               * try matching the token before
                               * proceeding.  But for input(),
                               * there's no matching to consider.
                               * So convert the EOB_ACT_LAST_MATCH
                               * to EOB_ACT_END_OF_FILE.
                               */

                              /* Reset buffer status. */
                              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  );
}

#ifndef _UNISTD_H /* assume unistd.h has isatty() for us */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __THROW /* this is a gnuism */
extern int isatty (int ) __THROW;
#else
extern int isatty (int );
#endif
#ifdef __cplusplus
}
#endif
#endif
    
/* 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 = file ? (isatty( fileno(file) ) > 0) : 0;
    
      errno = oerrno;
}

/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
 * 
 */
    void 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 * __yystr )
{
    
      return yy_scan_bytes(__yystr,strlen(__yystr) );
}

/** 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 * yybytes, int  _yybytes_len )
{
      YY_BUFFER_STATE b;
      char *buf;
      yy_size_t n;
      int i;
    
      /* Get memory for full buffer, including space for trailing EOB's. */
      n = _yybytes_len + 2;
      buf = (char *) yyalloc(n  );
      if ( ! buf )
            YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );

      for ( i = 0; i < _yybytes_len; ++i )
            buf[i] = yybytes[i];

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

      b = 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 ;
}

static int yy_init_globals (void)
{
        /* Initialization is the same as for the non-reentrant scanner.
     * This function is called from yylex_destroy(), so don't allocate here.
     */

    (yy_buffer_stack) = 0;
    (yy_buffer_stack_top) = 0;
    (yy_buffer_stack_max) = 0;
    (yy_c_buf_p) = (char *) 0;
    (yy_init) = 0;
    (yy_start) = 0;

/* Defined in main.c */
#ifdef YY_STDINIT
    yyin = stdin;
    yyout = stdout;
#else
    yyin = (FILE *) 0;
    yyout = (FILE *) 0;
#endif

    /* For future reference: Set errno on error, since we are called by
     * yylex_init()
     */
    return 0;
}

/* 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;

    /* Reset the globals. This is important in a non-reentrant scanner so the next time
     * yylex() is called, initialization will occur. */
    yy_init_globals( );

    return 0;
}

/*
 * Internal utility routines.
 */

#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
{
      register int i;
      for ( i = 0; i < n; ++i )
            s1[i] = s2[i];
}
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * s )
{
      register int n;
      for ( n = 0; s[n]; ++n )
            ;

      return n;
}
#endif

void *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"

#line 366 "scan.l"





/* This is the way to get multiple files input into lex. */

int
yywrap()
{
  if (!open_new_file ()) return (1);      /* EOF on standard in. */
  return (0);                       /* We have more input. */
}


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