scan_dataset.cpp

Go to the documentation of this file.

#line 2 "scan_dataset.cpp"

#line 4 "scan_dataset.cpp"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#define yy_create_buffer dataset__create_buffer
#define yy_delete_buffer dataset__delete_buffer
#define yy_flex_debug dataset__flex_debug
#define yy_init_buffer dataset__init_buffer
#define yy_flush_buffer dataset__flush_buffer
#define yy_load_buffer_state dataset__load_buffer_state
#define yy_switch_to_buffer dataset__switch_to_buffer
#define yyin dataset_in
#define yyleng dataset_leng
#define yylex dataset_lex
#define yylineno dataset_lineno
#define yyout dataset_out
#define yyrestart dataset_restart
#define yytext dataset_text
#define yywrap dataset_wrap
#define yyalloc dataset_alloc
#define yyrealloc dataset_realloc
#define yyfree dataset_free

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 35
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif

/* First, we deal with  platform-specific or compiler-specific issues. */

/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>

/* end standard C headers. */

/* flex integer type definitions */

#ifndef FLEXINT_H
#define FLEXINT_H

/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */

#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L

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

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

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

#endif /* ! C99 */

#endif /* ! FLEXINT_H */

#ifdef __cplusplus

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

#else   /* ! __cplusplus */

/* C99 requires __STDC__ to be defined as 1. */
#if defined (__STDC__)

#define YY_USE_CONST

#endif  /* defined (__STDC__) */
#endif  /* ! __cplusplus */

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif

/* Returned upon end-of-file. */
#define YY_NULL 0

/* Promotes a possibly negative, possibly signed char to an unsigned
 * integer for use as an array index.  If the signed char is negative,
 * we want to instead treat it as an 8-bit unsigned char, hence the
 * double cast.
 */
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)

/* 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 dataset_restart(dataset_in  )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
 * Ditto for the __ia64__ case accordingly.
 */
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif

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

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

extern int dataset_leng;

extern FILE *dataset_in, *dataset_out;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2

    /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
     *       access to the local variable yy_act. Since yyless() is a macro, it would break
     *       existing scanners that call yyless() from OUTSIDE dataset_lex. 
     *       One obvious solution it to make yy_act a global. I tried that, and saw
     *       a 5% performance hit in a non-dataset_lineno scanner, because yy_act is
     *       normally declared as a register variable-- so it is not worth it.
     */
    #define  YY_LESS_LINENO(n) \
            do { \
                int yyl;\
                for ( yyl = n; yyl < dataset_leng; ++yyl )\
                    if ( dataset_text[yyl] == '\n' )\
                        --dataset_lineno;\
            }while(0)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
    do \
        { \
        /* Undo effects of setting up dataset_text. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
        *yy_cp = (yy_hold_char); \
        YY_RESTORE_YY_MORE_OFFSET \
        (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
        YY_DO_BEFORE_ACTION; /* set up dataset_text again */ \
        } \
    while ( 0 )

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

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif

#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
    {
    FILE *yy_input_file;

    char *yy_ch_buf;        /* input buffer */
    char *yy_buf_pos;       /* current position in input buffer */

    /* Size of input buffer in bytes, not including room for EOB
     * characters.
     */
    yy_size_t yy_buf_size;

    /* Number of characters read into yy_ch_buf, not including EOB
     * characters.
     */
    int yy_n_chars;

    /* Whether we "own" the buffer - i.e., we know we created it,
     * and can realloc() it to grow it, and should free() it to
     * delete it.
     */
    int yy_is_our_buffer;

    /* Whether this is an "interactive" input source; if so, and
     * if we're using stdio for input, then we want to use getc()
     * instead of fread(), to make sure we stop fetching input after
     * each newline.
     */
    int yy_is_interactive;

    /* Whether we're considered to be at the beginning of a line.
     * If so, '^' rules will be active on the next match, otherwise
     * not.
     */
    int yy_at_bol;

    int yy_bs_lineno; 
    int yy_bs_column; 
    /* 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 dataset_restart()), so that the user can continue scanning by
     * just pointing dataset_in at a new input file.
     */
#define YY_BUFFER_EOF_PENDING 2

    };
#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; 
static size_t yy_buffer_stack_max = 0; 
static YY_BUFFER_STATE * yy_buffer_stack = 0; 
/* 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 dataset_text is formed. */
static char yy_hold_char;
static int yy_n_chars;      /* number of characters read into yy_ch_buf */
int dataset_leng;

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

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

void dataset_restart (FILE *input_file  );
void dataset__switch_to_buffer (YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE dataset__create_buffer (FILE *file,int size  );
void dataset__delete_buffer (YY_BUFFER_STATE b  );
void dataset__flush_buffer (YY_BUFFER_STATE b  );
void dataset_push_buffer_state (YY_BUFFER_STATE new_buffer  );
void dataset_pop_buffer_state (void );

static void dataset_ensure_buffer_stack (void );
static void dataset__load_buffer_state (void );
static void dataset__init_buffer (YY_BUFFER_STATE b,FILE *file  );

#define YY_FLUSH_BUFFER dataset__flush_buffer(YY_CURRENT_BUFFER )

YY_BUFFER_STATE dataset__scan_buffer (char *base,yy_size_t size  );
YY_BUFFER_STATE dataset__scan_string (yyconst char *yy_str  );
YY_BUFFER_STATE dataset__scan_bytes (yyconst char *bytes,int len  );

void *dataset_alloc (yy_size_t  );
void *dataset_realloc (void *,yy_size_t  );
void dataset_free (void *  );

#define yy_new_buffer dataset__create_buffer

#define yy_set_interactive(is_interactive) \
    { \
    if ( ! YY_CURRENT_BUFFER ){ \
        dataset_ensure_buffer_stack (); \
        YY_CURRENT_BUFFER_LVALUE =    \
            dataset__create_buffer(dataset_in,YY_BUF_SIZE ); \
    } \
    YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
    }

#define yy_set_bol(at_bol) \
    { \
    if ( ! YY_CURRENT_BUFFER ){\
        dataset_ensure_buffer_stack (); \
        YY_CURRENT_BUFFER_LVALUE =    \
            dataset__create_buffer(dataset_in,YY_BUF_SIZE ); \
    } \
    YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
    }

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

#define dataset_wrap(n) 1
#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

FILE *dataset_in = (FILE *) 0, *dataset_out = (FILE *) 0;

typedef int yy_state_type;

extern int dataset_lineno;

int dataset_lineno = 1;

extern char *dataset_text;
#define yytext_ptr dataset_text

static yy_state_type yy_get_previous_state (void );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
static int yy_get_next_buffer (void );
static void yy_fatal_error (yyconst char msg[]  );

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up dataset_text.
 */
#define YY_DO_BEFORE_ACTION \
    (yytext_ptr) = yy_bp; \
    dataset_leng = (size_t) (yy_cp - yy_bp); \
    (yy_hold_char) = *yy_cp; \
    *yy_cp = '\0'; \
    (yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 19
#define YY_END_OF_BUFFER 20
/* 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[117] =
    {   0,
        0,    0,    0,    0,    0,    0,   20,   16,   14,   13,
       16,   15,   16,   16,    7,   11,    6,   16,    6,   17,
       14,   18,   17,   17,   19,   16,   16,   10,   12,    6,
        6,   13,    0,    7,    0,    7,    0,    0,    0,    0,
        6,    0,    6,   14,    0,    0,    6,   18,   10,    0,
        0,    6,    6,    0,    8,    0,    0,    7,    0,    9,
        0,    6,    6,    6,    6,    0,    0,    2,    6,    8,
        0,    0,    7,    9,    0,    0,    6,    6,    6,    6,
        6,    0,    6,    4,    0,    6,    0,    8,    0,    0,
        9,    0,    0,    6,    0,    3,    8,    0,    9,    0,

        5,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    1,    0
    } ;

static yyconst flex_int32_t yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    1,    4,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    5,    1,    1,    6,    1,    1,    1,    1,    1,
        1,    1,    7,    8,    7,    9,   10,   11,   11,   11,
       11,   11,   11,   11,   11,   11,   11,    1,    1,   12,
        1,   13,    1,    1,   14,   14,   14,   15,   16,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       17,   14,   14,   14,   14,   14,   14,   14,   14,   14,
        8,   18,    8,    1,   14,    1,   19,   14,   20,   21,

       22,   14,   14,   14,   23,   24,   14,   14,   14,   25,
       14,   26,   14,   14,   27,   28,   29,   14,   14,   14,
       14,   14,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[30] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    2,    3,    1,
        4,    1,    1,    4,    4,    4,    4,    1,    4,    4,
        4,    4,    4,    4,    4,    4,    4,    4,    4
    } ;

static yyconst flex_int16_t yy_base[124] =
    {   0,
        0,    0,   28,   45,   61,    0,  240,  241,  241,  241,
      236,  241,   28,  227,   79,  220,   26,   37,   34,  241,
      241,  241,  233,   50,  241,  224,   15,  223,  241,   47,
       50,  241,  222,    0,   51,   97,   53,   50,   69,  203,
      222,  219,   83,  241,  226,  217,  114,  241,  216,  204,
      200,   85,   88,  213,   96,   72,  212,  103,  211,  122,
      201,  211,   90,  123,  139,  193,  197,  107,  120,  138,
      130,  206,  144,  141,  151,  189,  206,  205,  156,    0,
      162,  202,  205,  241,  189,  159,  165,  199,  167,  198,
      197,  202,  195,   78,  179,  168,  193,  173,  166,  141,

      241,  134,  115,  121,  108,  102,   89,  101,   89,  150,
       70,  171,   55,  170,  241,  241,  185,  188,  191,   40,
      193,  196,  199
    } ;

static yyconst flex_int16_t yy_def[124] =
    {   0,
      116,    1,  117,  117,    1,    5,  116,  116,  116,  116,
      116,  116,  116,  116,  116,  116,  118,  116,  118,  116,
      116,  116,  116,  116,  116,  116,  116,  116,  116,  118,
      118,  116,  116,   15,  116,  116,  116,  116,  116,  116,
      119,  120,  118,  116,  116,  120,  118,  116,  116,  116,
      116,  118,  118,  116,  116,  116,  116,  116,  116,  116,
      116,  121,  122,  121,  118,  116,  116,  118,  118,  116,
      116,  116,  116,  116,  116,  116,  121,  123,  122,   64,
      121,  116,   65,  116,  116,   65,  116,  116,  116,  116,
      116,  116,  116,  121,  116,   65,  116,  116,  116,  116,

      116,  116,  116,  116,  116,  116,  116,  116,  116,  116,
      116,  116,  116,  116,  116,    0,  116,  116,  116,  116,
      116,  116,  116
    } ;

static yyconst flex_int16_t yy_nxt[271] =
    {   0,
        8,    9,   10,   11,    9,   12,   13,    8,   14,    8,
       15,   16,    8,   17,   17,   17,   17,   18,   17,   17,
       17,   17,   19,   19,   17,   17,   17,   17,   17,   21,
       22,   23,   21,   41,   42,   50,   33,   51,   34,   44,
       45,   41,   46,   63,   47,   24,   21,   22,   23,   21,
       35,   35,   44,   45,   41,   42,   57,   41,   42,   54,
       58,   55,   24,   25,    8,  114,    8,   26,   52,    8,
       27,   28,    8,   29,   53,   39,   39,   59,   72,   60,
      112,   30,   73,   31,   17,   37,   42,   33,   94,   34,
       41,   42,   41,   42,   38,   41,   42,   78,   42,  110,

       38,   39,   39,   37,   54,  109,   55,   36,   69,   37,
       68,   71,   56,   58,   41,   42,  108,   71,   56,   39,
       39,   41,   46,  107,   47,   39,   39,   41,   42,   65,
       59,   42,   60,   80,  106,   65,   82,   75,   81,  105,
       88,   86,  104,   75,   81,   82,   41,   42,   70,   83,
       37,   74,  103,   87,   73,  102,   89,   90,  111,   87,
      110,   91,   89,   78,   42,  116,   39,   39,   93,   43,
       42,   93,   94,   98,  116,   97,   99,   99,   43,  113,
      114,  112,  115,   99,   96,   20,   20,   20,   20,   43,
       43,   43,   41,   41,   41,   77,   77,   79,   79,   79,

       78,   78,   78,   97,  101,   97,  100,   91,   91,   88,
       95,  116,   88,   42,   42,   92,   73,   85,   84,   42,
       76,   74,   58,   70,   67,   66,   49,   64,   44,   62,
       42,   61,   36,   49,   49,   48,   40,   36,   32,  116,
        7,  116,  116,  116,  116,  116,  116,  116,  116,  116,
      116,  116,  116,  116,  116,  116,  116,  116,  116,  116,
      116,  116,  116,  116,  116,  116,  116,  116,  116,  116
    } ;

static yyconst flex_int16_t yy_chk[271] =
    {   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,    3,
        3,    3,    3,   17,   17,   27,   13,   27,   13,   18,
       18,   19,   19,  120,   19,    3,    4,    4,    4,    4,
       13,   13,   24,   24,   30,   30,   38,   31,   31,   35,
       38,   35,    4,    5,    5,  113,    5,    5,   30,    5,
        5,    5,    5,    5,   31,   37,   37,   39,   56,   39,
      111,    5,   56,    5,    5,   15,   94,   15,   94,   15,
       43,   43,   52,   52,   15,   53,   53,   63,   63,  109,

       15,   15,   15,   36,   55,  108,   55,   36,   53,   58,
       52,   55,   36,   58,   68,   68,  107,   55,   36,   36,
       36,   47,   47,  106,   47,   58,   58,   69,   69,   47,
       60,   64,   60,   64,  105,   47,   71,   60,   64,  104,
       71,   69,  103,   60,   64,   65,   65,   65,   70,   65,
       73,   74,  102,   70,   73,  100,   74,   75,  110,   70,
      110,   75,   74,   79,   79,   86,   73,   73,   81,   86,
       81,   87,   81,   89,   96,   87,   99,   89,   96,  112,
      114,  112,  114,   98,   86,  117,  117,  117,  117,  118,
      118,  118,  119,  119,  119,  121,  121,  122,  122,  122,

      123,  123,  123,   97,   95,   93,   92,   91,   90,   88,
       85,   83,   82,   78,   77,   76,   72,   67,   66,   62,
       61,   59,   57,   54,   51,   50,   49,   46,   45,   42,
       41,   40,   33,   28,   26,   23,   16,   14,   11,    7,
      116,  116,  116,  116,  116,  116,  116,  116,  116,  116,
      116,  116,  116,  116,  116,  116,  116,  116,  116,  116,
      116,  116,  116,  116,  116,  116,  116,  116,  116,  116
    } ;

/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[20] =
    {   0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 
        };

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

extern int dataset__flex_debug;
int dataset__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 *dataset_text;
#line 1 "scan_dataset.l"
/* -*-c-*- */
#line 4 "scan_dataset.l"
/*
 * scan_dataset.l - scanner for the Qucs dataset
 *
 * Copyright (C) 2003, 2004, 2005, 2006, 2008 Stefan Jahn <stefan@lkcc.org>
 *
 * This 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, or (at your option)
 * any later version.
 * 
 * This software 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 package; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
 * Boston, MA 02110-1301, USA.  
 *
 * $Id: scan_dataset.l 1825 2011-03-11 20:42:14Z ela $
 *
 */

#if HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#ifdef __MINGW32__
#include <io.h>
#endif

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include "logging.h"
#include "complex.h"
#include "object.h"
#include "vector.h"
#include "dataset.h"
#include "check_dataset.h"
#include "tokens_dataset.h"


#line 648 "scan_dataset.cpp"

#define INITIAL 0
#define COMMENT 1
#define DESCRIPTION 2

#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif

static int yy_init_globals (void );

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

int dataset_lex_destroy (void );

int dataset_get_debug (void );

void dataset_set_debug (int debug_flag  );

YY_EXTRA_TYPE dataset_get_extra (void );

void dataset_set_extra (YY_EXTRA_TYPE user_defined  );

FILE *dataset_get_in (void );

void dataset_set_in  (FILE * in_str  );

FILE *dataset_get_out (void );

void dataset_set_out  (FILE * out_str  );

int dataset_get_leng (void );

char *dataset_get_text (void );

int dataset_get_lineno (void );

void dataset_set_lineno (int line_number  );

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

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int dataset_wrap (void );
#else
extern int dataset_wrap (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
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#endif

/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO do { if (fwrite( dataset_text, dataset_leng, 1, dataset_out )) {} } while (0)
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
    if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
        { \
        int c = '*'; \
        size_t n; \
        for ( n = 0; n < max_size && \
                 (c = getc( dataset_in )) != EOF && c != '\n'; ++n ) \
            buf[n] = (char) c; \
        if ( c == '\n' ) \
            buf[n++] = (char) c; \
        if ( c == EOF && ferror( dataset_in ) ) \
            YY_FATAL_ERROR( "input in flex scanner failed" ); \
        result = n; \
        } \
    else \
        { \
        errno=0; \
        while ( (result = fread(buf, 1, max_size, dataset_in))==0 && ferror(dataset_in)) \
            { \
            if( errno != EINTR) \
                { \
                YY_FATAL_ERROR( "input in flex scanner failed" ); \
                break; \
                } \
            errno=0; \
            clearerr(dataset_in); \
            } \
        }\
\

#endif

/* No semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif

/* end tables serialization structures and prototypes */

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1

extern int dataset_lex (void);

#define YY_DECL int dataset_lex (void)
#endif /* !YY_DECL */

/* Code executed at the beginning of each rule, after dataset_text and dataset_leng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif

#define YY_RULE_SETUP \
    YY_USER_ACTION

YY_DECL
{
    register yy_state_type yy_current_state;
    register char *yy_cp, *yy_bp;
    register int yy_act;
    
#line 86 "scan_dataset.l"


#line 830 "scan_dataset.cpp"

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

#ifdef YY_USER_INIT
        YY_USER_INIT;
#endif

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

        if ( ! dataset_in )
            dataset_in = stdin;

        if ( ! dataset_out )
            dataset_out = stdout;

        if ( ! YY_CURRENT_BUFFER ) {
            dataset_ensure_buffer_stack ();
            YY_CURRENT_BUFFER_LVALUE =
                dataset__create_buffer(dataset_in,YY_BUF_SIZE );
        }

        dataset__load_buffer_state( );
        }

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

        /* Support of dataset_text. */
        *yy_cp = (yy_hold_char);

        /* yy_bp points to the position in yy_ch_buf of the start of
         * the current run.
         */
        yy_bp = yy_cp;

        yy_current_state = (yy_start);
yy_match:
        do
            {
            register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
            if ( yy_accept[yy_current_state] )
                {
                (yy_last_accepting_state) = yy_current_state;
                (yy_last_accepting_cpos) = yy_cp;
                }
            while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                {
                yy_current_state = (int) yy_def[yy_current_state];
                if ( yy_current_state >= 117 )
                    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] != 241 );

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;

        if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
            {
            int yyl;
            for ( yyl = 0; yyl < dataset_leng; ++yyl )
                if ( dataset_text[yyl] == '\n' )
                       
    dataset_lineno++;
;
            }

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 88 "scan_dataset.l"
{
    return Version;
  }
    YY_BREAK
case 2:
YY_RULE_SETUP
#line 92 "scan_dataset.l"
{
    return DepBegin;
  }
    YY_BREAK
case 3:
YY_RULE_SETUP
#line 96 "scan_dataset.l"
{
    return IndepBegin;
  }
    YY_BREAK
case 4:
YY_RULE_SETUP
#line 100 "scan_dataset.l"
{
    return DepEnd;
  }
    YY_BREAK
case 5:
YY_RULE_SETUP
#line 104 "scan_dataset.l"
{
    return IndepEnd;
  }
    YY_BREAK
case 6:
YY_RULE_SETUP
#line 108 "scan_dataset.l"
{ /* identify identifier */
    dataset_lval.ident = strdup (dataset_text); 
    return Identifier; 
  }
    YY_BREAK
case 7:
YY_RULE_SETUP
#line 113 "scan_dataset.l"
{ /* identify real float */
    dataset_lval.f = strtod (dataset_text, NULL);
    return REAL;
  }
    YY_BREAK
case 8:
YY_RULE_SETUP
#line 118 "scan_dataset.l"
{ /* identify imaginary float */
    if (dataset_text[0] == 'i' || dataset_text[0] == 'j')
      dataset_text[0] = '0';
    else
      dataset_text[1] = '0';
    dataset_lval.f = strtod (dataset_text, NULL);
    return IMAG;
  }
    YY_BREAK
case 9:
YY_RULE_SETUP
#line 127 "scan_dataset.l"
{ /* identify complete complex number */
    int i = 0;
    while (dataset_text[i] != 'i' && dataset_text[i] != 'j') i++;
    dataset_text[i] = dataset_text[i - 1];
    dataset_text[i - 1] = '\0';
    dataset_lval.c.r = strtod (dataset_text, NULL);
    dataset_lval.c.i = strtod (&dataset_text[i], NULL);
    return COMPLEX;
  }
    YY_BREAK
case 10:
YY_RULE_SETUP
#line 137 "scan_dataset.l"
{ /* identify integer */
    dataset_lval.n = strtol (dataset_text, NULL, 10);
    return Integer;
  }
    YY_BREAK
case 11:
YY_RULE_SETUP
#line 142 "scan_dataset.l"
{ /* pass the '<' to the parser */ 
    BEGIN(DESCRIPTION);
    return '<';
  }
    YY_BREAK
case 12:
YY_RULE_SETUP
#line 146 "scan_dataset.l"
{ /* pass the '>' to the parser */ 
    BEGIN(INITIAL);
    return '>';
  }
    YY_BREAK
case 13:
/* rule 13 can match eol */
YY_RULE_SETUP
#line 150 "scan_dataset.l"
{ /* detect end of line */ return Eol; }
    YY_BREAK
case 14:
/* rule 14 can match eol */
YY_RULE_SETUP
#line 152 "scan_dataset.l"
/* skip spaces and the trailing '\' */
    YY_BREAK
case 15:
YY_RULE_SETUP
#line 154 "scan_dataset.l"
{ /* leave these characters */
    BEGIN(COMMENT);
  }
    YY_BREAK
case 16:
YY_RULE_SETUP
#line 157 "scan_dataset.l"
{ /* any other character in invalid */
    logprint (LOG_ERROR, 
          "line %d: syntax error, unrecognized character: `%s'\n", 
          dataset_lineno, dataset_text);
    return InvalidCharacter;
  }
    YY_BREAK
case 17:
YY_RULE_SETUP
#line 164 "scan_dataset.l"
{ /* skip any character in here */ }
    YY_BREAK
case 18:
/* rule 18 can match eol */
YY_RULE_SETUP
#line 165 "scan_dataset.l"
{ BEGIN(INITIAL); /* skipping ends here */ }
    YY_BREAK
case 19:
YY_RULE_SETUP
#line 167 "scan_dataset.l"
ECHO;
    YY_BREAK
#line 1068 "scan_dataset.cpp"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(COMMENT):
case YY_STATE_EOF(DESCRIPTION):
    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 dataset_in at a new source and called
             * dataset_lex().  If so, then we have to assure
             * consistency between YY_CURRENT_BUFFER and our
             * globals.  Here is the right place to do so, because
             * this is the first action (other than possibly a
             * back-up) that will match for the new input source.
             */
            (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
            YY_CURRENT_BUFFER_LVALUE->yy_input_file = dataset_in;
            YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
            }

        /* Note that here we test for yy_c_buf_p "<=" to the position
         * of the first EOB in the buffer, since yy_c_buf_p will
         * already have been incremented past the NUL character
         * (since all states make transitions on EOB to the
         * end-of-buffer state).  Contrast this with the test
         * in input().
         */
        if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
            { /* This was really a NUL. */
            yy_state_type yy_next_state;

            (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;

            yy_current_state = yy_get_previous_state(  );

            /* Okay, we're now positioned to make the NUL
             * transition.  We couldn't have
             * yy_get_previous_state() go ahead and do it
             * for us because it doesn't know how to deal
             * with the possibility of jamming (and we don't
             * want to build jamming into it because then it
             * will run more slowly).
             */

            yy_next_state = yy_try_NUL_trans( yy_current_state );

            yy_bp = (yytext_ptr) + YY_MORE_ADJ;

            if ( yy_next_state )
                {
                /* Consume the NUL. */
                yy_cp = ++(yy_c_buf_p);
                yy_current_state = yy_next_state;
                goto yy_match;
                }

            else
                {
                yy_cp = (yy_c_buf_p);
                goto yy_find_action;
                }
            }

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

                if ( dataset_wrap( ) )
                    {
                    /* Note: because we've taken care in
                     * yy_get_next_buffer() to have set up
                     * dataset_text, we can now set up
                     * yy_c_buf_p so that if some total
                     * hoser (like flex itself) wants to
                     * call the scanner after we return the
                     * YY_NULL, it'll still work - another
                     * YY_NULL will get returned.
                     */
                    (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;

                    yy_act = YY_STATE_EOF(YY_START);
                    goto do_action;
                    }

                else
                    {
                    if ( ! (yy_did_buffer_switch_on_eof) )
                        YY_NEW_FILE;
                    }
                break;
                }

            case EOB_ACT_CONTINUE_SCAN:
                (yy_c_buf_p) =
                    (yytext_ptr) + yy_amount_of_matched_text;

                yy_current_state = yy_get_previous_state(  );

                yy_cp = (yy_c_buf_p);
                yy_bp = (yytext_ptr) + YY_MORE_ADJ;
                goto yy_match;

            case EOB_ACT_LAST_MATCH:
                (yy_c_buf_p) =
                &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];

                yy_current_state = yy_get_previous_state(  );

                yy_cp = (yy_c_buf_p);
                yy_bp = (yytext_ptr) + YY_MORE_ADJ;
                goto yy_find_action;
            }
        break;
        }

    default:
        YY_FATAL_ERROR(
            "fatal flex scanner internal error--no action found" );
    } /* end of action switch */
        } /* end of scanning one token */
} /* end of dataset_lex */

/* yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *  EOB_ACT_LAST_MATCH -
 *  EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *  EOB_ACT_END_OF_FILE - end of file
 */
static int yy_get_next_buffer (void)
{
        register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
    register char *source = (yytext_ptr);
    register int number_to_move, i;
    int ret_val;

    if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
        YY_FATAL_ERROR(
        "fatal flex scanner internal error--end of buffer missed" );

    if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
        { /* Don't try to fill the buffer, so this is an EOF. */
        if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
            {
            /* We matched a single character, the EOB, so
             * treat this as a final EOF.
             */
            return EOB_ACT_END_OF_FILE;
            }

        else
            {
            /* We matched some text prior to the EOB, first
             * process it.
             */
            return EOB_ACT_LAST_MATCH;
            }
        }

    /* Try to read more data. */

    /* First move last chars to start of buffer. */
    number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;

    for ( i = 0; i < number_to_move; ++i )
        *(dest++) = *(source++);

    if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
        /* don't do the read, it's not guaranteed to return an EOF,
         * just force an EOF
         */
        YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;

    else
        {
            int num_to_read =
            YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;

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

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

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

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

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

                b->yy_ch_buf = (char *)
                    /* Include room in for 2 EOB chars. */
                    dataset_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
                }
            else
                /* Can't grow it, we don't own it. */
                b->yy_ch_buf = 0;

            if ( ! b->yy_ch_buf )
                YY_FATAL_ERROR(
                "fatal error - scanner input buffer overflow" );

            (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];

            num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
                        number_to_move - 1;

            }

        if ( num_to_read > YY_READ_BUF_SIZE )
            num_to_read = YY_READ_BUF_SIZE;

        /* Read in more data. */
        YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
            (yy_n_chars), (size_t) num_to_read );

        YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
        }

    if ( (yy_n_chars) == 0 )
        {
        if ( number_to_move == YY_MORE_ADJ )
            {
            ret_val = EOB_ACT_END_OF_FILE;
            dataset_restart(dataset_in  );
            }

        else
            {
            ret_val = EOB_ACT_LAST_MATCH;
            YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
                YY_BUFFER_EOF_PENDING;
            }
        }

    else
        ret_val = EOB_ACT_CONTINUE_SCAN;

    if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
        /* Extend the array by 50%, plus the number we really need. */
        yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) dataset_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
        if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
            YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
    }

    (yy_n_chars) += number_to_move;
    YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
    YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;

    (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];

    return ret_val;
}

/* yy_get_previous_state - get the state just before the EOB char was reached */

    static yy_state_type yy_get_previous_state (void)
{
    register yy_state_type yy_current_state;
    register char *yy_cp;
    
    yy_current_state = (yy_start);

    for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
        {
        register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
        if ( yy_accept[yy_current_state] )
            {
            (yy_last_accepting_state) = yy_current_state;
            (yy_last_accepting_cpos) = yy_cp;
            }
        while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
            {
            yy_current_state = (int) yy_def[yy_current_state];
            if ( yy_current_state >= 117 )
                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 >= 117 )
            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 == 116);

    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. */
                    dataset_restart(dataset_in );

                    /*FALLTHROUGH*/

                case EOB_ACT_END_OF_FILE:
                    {
                    if ( dataset_wrap( ) )
                        return EOF;

                    if ( ! (yy_did_buffer_switch_on_eof) )
                        YY_NEW_FILE;
#ifdef __cplusplus
                    return yyinput();
#else
                    return input();
#endif
                    }

                case EOB_ACT_CONTINUE_SCAN:
                    (yy_c_buf_p) = (yytext_ptr) + offset;
                    break;
                }
            }
        }

    c = *(unsigned char *) (yy_c_buf_p);    /* cast for 8-bit char's */
    *(yy_c_buf_p) = '\0';   /* preserve dataset_text */
    (yy_hold_char) = *++(yy_c_buf_p);

    if ( c == '\n' )
           
    dataset_lineno++;
;

    return c;
}
#endif  /* ifndef YY_NO_INPUT */

    void dataset_restart  (FILE * input_file )
{
    
    if ( ! YY_CURRENT_BUFFER ){
        dataset_ensure_buffer_stack ();
        YY_CURRENT_BUFFER_LVALUE =
            dataset__create_buffer(dataset_in,YY_BUF_SIZE );
    }

    dataset__init_buffer(YY_CURRENT_BUFFER,input_file );
    dataset__load_buffer_state( );
}

    void dataset__switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
{
    
    /* TODO. We should be able to replace this entire function body
     * with
     *      dataset_pop_buffer_state();
     *      dataset_push_buffer_state(new_buffer);
     */
    dataset_ensure_buffer_stack ();
    if ( YY_CURRENT_BUFFER == new_buffer )
        return;

    if ( YY_CURRENT_BUFFER )
        {
        /* Flush out information for old buffer. */
        *(yy_c_buf_p) = (yy_hold_char);
        YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
        YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
        }

    YY_CURRENT_BUFFER_LVALUE = new_buffer;
    dataset__load_buffer_state( );

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

static void dataset__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;
    dataset_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
    (yy_hold_char) = *(yy_c_buf_p);
}

    YY_BUFFER_STATE dataset__create_buffer  (FILE * file, int  size )
{
    YY_BUFFER_STATE b;
    
    b = (YY_BUFFER_STATE) dataset_alloc(sizeof( struct yy_buffer_state )  );
    if ( ! b )
        YY_FATAL_ERROR( "out of dynamic memory in dataset__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 *) dataset_alloc(b->yy_buf_size + 2  );
    if ( ! b->yy_ch_buf )
        YY_FATAL_ERROR( "out of dynamic memory in dataset__create_buffer()" );

    b->yy_is_our_buffer = 1;

    dataset__init_buffer(b,file );

    return b;
}

    void dataset__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 )
        dataset_free((void *) b->yy_ch_buf  );

    dataset_free((void *) b  );
}

#ifndef __cplusplus
extern int isatty (int );
#endif /* __cplusplus */
    
/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a dataset_restart() or at EOF.
 */
    static void dataset__init_buffer  (YY_BUFFER_STATE  b, FILE * file )

{
    int oerrno = errno;
    
    dataset__flush_buffer(b );

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

    /* If b is the current buffer, then dataset__init_buffer was _probably_
     * called from dataset_restart() or through yy_get_next_buffer.
     * In that case, we don't want to reset the lineno or column.
     */
    if (b != YY_CURRENT_BUFFER){
        b->yy_bs_lineno = 1;
        b->yy_bs_column = 0;
    }

        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
    
    errno = oerrno;
}

    void dataset__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 )
        dataset__load_buffer_state( );
}

void dataset_push_buffer_state (YY_BUFFER_STATE new_buffer )
{
        if (new_buffer == NULL)
        return;

    dataset_ensure_buffer_stack();

    /* This block is copied from dataset__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 dataset__switch_to_buffer. */
    dataset__load_buffer_state( );
    (yy_did_buffer_switch_on_eof) = 1;
}

void dataset_pop_buffer_state (void)
{
        if (!YY_CURRENT_BUFFER)
        return;

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

    if (YY_CURRENT_BUFFER) {
        dataset__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 dataset_ensure_buffer_stack (void)
{
    int num_to_alloc;
    
    if (!(yy_buffer_stack)) {

        /* First allocation is just for 2 elements, since we don't know if this
         * scanner will even need a stack. We use 2 instead of 1 to avoid an
         * immediate realloc on the next call.
         */
        num_to_alloc = 1;
        (yy_buffer_stack) = (struct yy_buffer_state**)dataset_alloc
                                (num_to_alloc * sizeof(struct yy_buffer_state*)
                                );
        if ( ! (yy_buffer_stack) )
            YY_FATAL_ERROR( "out of dynamic memory in dataset_ensure_buffer_stack()" );
                                  
        memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
                
        (yy_buffer_stack_max) = num_to_alloc;
        (yy_buffer_stack_top) = 0;
        return;
    }

    if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){

        /* Increase the buffer to prepare for a possible push. */
        int grow_size = 8 /* arbitrary grow size */;

        num_to_alloc = (yy_buffer_stack_max) + grow_size;
        (yy_buffer_stack) = (struct yy_buffer_state**)dataset_realloc
                                ((yy_buffer_stack),
                                num_to_alloc * sizeof(struct yy_buffer_state*)
                                );
        if ( ! (yy_buffer_stack) )
            YY_FATAL_ERROR( "out of dynamic memory in dataset_ensure_buffer_stack()" );

        /* zero only the new slots.*/
        memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
        (yy_buffer_stack_max) = num_to_alloc;
    }
}

YY_BUFFER_STATE dataset__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) dataset_alloc(sizeof( struct yy_buffer_state )  );
    if ( ! b )
        YY_FATAL_ERROR( "out of dynamic memory in dataset__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;

    dataset__switch_to_buffer(b  );

    return b;
}

YY_BUFFER_STATE dataset__scan_string (yyconst char * yystr )
{
    
    return dataset__scan_bytes(yystr,strlen(yystr) );
}

YY_BUFFER_STATE dataset__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 *) dataset_alloc(n  );
    if ( ! buf )
        YY_FATAL_ERROR( "out of dynamic memory in dataset__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 = dataset__scan_buffer(buf,n );
    if ( ! b )
        YY_FATAL_ERROR( "bad buffer in dataset__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 dataset_text. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
        dataset_text[dataset_leng] = (yy_hold_char); \
        (yy_c_buf_p) = dataset_text + yyless_macro_arg; \
        (yy_hold_char) = *(yy_c_buf_p); \
        *(yy_c_buf_p) = '\0'; \
        dataset_leng = yyless_macro_arg; \
        } \
    while ( 0 )

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

int dataset_get_lineno  (void)
{
        
    return dataset_lineno;
}

FILE *dataset_get_in  (void)
{
        return dataset_in;
}

FILE *dataset_get_out  (void)
{
        return dataset_out;
}

int dataset_get_leng  (void)
{
        return dataset_leng;
}

char *dataset_get_text  (void)
{
        return dataset_text;
}

void dataset_set_lineno (int  line_number )
{
    
    dataset_lineno = line_number;
}

void dataset_set_in (FILE *  in_str )
{
        dataset_in = in_str ;
}

void dataset_set_out (FILE *  out_str )
{
        dataset_out = out_str ;
}

int dataset_get_debug  (void)
{
        return dataset__flex_debug;
}

void dataset_set_debug (int  bdebug )
{
        dataset__flex_debug = bdebug ;
}

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

    /* We do not touch dataset_lineno unless the option is enabled. */
    dataset_lineno =  1;
    
    (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
    dataset_in = stdin;
    dataset_out = stdout;
#else
    dataset_in = (FILE *) 0;
    dataset_out = (FILE *) 0;
#endif

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

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

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

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

    return 0;
}

/*
 * Internal utility routines.
 */

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

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

    return n;
}
#endif

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

void *dataset_realloc  (void * ptr, yy_size_t  size )
{
    /* The cast to (char *) in the following accommodates both
     * implementations that use char* generic pointers, and those
     * that use void* generic pointers.  It works with the latter
     * because both ANSI C and C++ allow castless assignment from
     * any pointer type to void*, and deal with argument conversions
     * as though doing an assignment.
     */
    return (void *) realloc( (char *) ptr, size );
}

void dataset_free (void * ptr )
{
    free( (char *) ptr );   /* see dataset_realloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

#line 167 "scan_dataset.l"