ossimEquTokenizer.cpp

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//#define yyFlexLexer ossimEquTokenizerFlexLexer
//#define yywrap ossimEquTokenizerwrap
#include <ossim/base/ossimEquTokenizer.h>
/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header$
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5



/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif


#ifdef __cplusplus

#include <cstdio> /* for EOF */
#include <cstdlib>
#include <iostream>
#include <fstream>
using namespace std;

/* Use prototypes in function declarations. */
#define YY_USE_PROTOS

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

#else   /* ! __cplusplus */

#if __STDC__

#define YY_USE_PROTOS
#define YY_USE_CONST

#endif  /* __STDC__ */
#endif  /* ! __cplusplus */

#ifdef __TURBOC__
 #pragma warn -rch
 #pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif

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


#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#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. */
#define YY_BUF_SIZE 16384

typedef struct yy_buffer_state *YY_BUFFER_STATE;

extern int yyleng;

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

/* The funky do-while in the following #define is used to turn the definition
 * int a single C statement (which needs a semi-colon terminator).  This
 * avoids problems with code like:
 *
 *  if ( condition_holds )
 *      yyless( 5 );
 *  else
 *      do_something_else();
 *
 * Prior to using the do-while the compiler would get upset at the
 * "else" because it interpreted the "if" statement as being all
 * done when it reached the ';' after the yyless() call.
 */

/* Return all but the first 'n' matched characters back to the input stream. */

#define yyless(n) \
    do \
        { \
        /* Undo effects of setting up yytext. */ \
        *yy_cp = yy_hold_char; \
        YY_RESTORE_YY_MORE_OFFSET \
        yy_c_buf_p = yy_cp = yy_bp + n - 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).
 */
typedef unsigned int yy_size_t;


struct yy_buffer_state
    {
    istream* 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;

    /* 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
    };


/* 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".
 */
#define YY_CURRENT_BUFFER yy_current_buffer



static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));

#define yy_new_buffer yy_create_buffer

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

#define yy_set_bol(at_bol) \
    { \
    if ( ! yy_current_buffer ) \
        yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
    yy_current_buffer->yy_at_bol = at_bol; \
    }

#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)

typedef unsigned char YY_CHAR;
#define yytext_ptr yytext
#define YY_INTERACTIVE

//#include <ossim/base/ossimFlexLexer.h>

/* 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 = (int) (yy_cp - yy_bp); \
    yy_hold_char = *yy_cp; \
    *yy_cp = '\0'; \
    yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 52
#define YY_END_OF_BUFFER 53
static yyconst short int yy_accept[119] =
    {   0,
        0,    0,   53,   52,    1,   11,    7,   14,   15,    5,
        9,    3,   10,   52,    4,    2,   49,   52,   47,   52,
       12,   13,   16,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,    6,    8,    1,    2,    2,    2,    0,
       50,   51,   46,   48,   19,    0,    0,    0,    0,    0,
        0,    0,    0,    0,   18,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    2,   35,    0,    0,    0,
        0,    0,    0,    0,    0,    0,   27,   22,   20,   38,
       37,    0,   23,    0,   31,   17,    0,    2,   29,   25,
        0,   33,   42,    0,    0,   44,   39,   28,    0,    0,

       24,   36,   32,   30,   26,    0,   34,   41,   45,   21,
       40,    0,    0,    0,    0,    0,   43,    0
    } ;

static yyconst int yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    1,    1,    1,    3,    4,    1,    5,
        6,    7,    8,    9,   10,   11,   12,   13,   14,   15,
       15,   15,   15,   15,   15,   15,   15,    1,    1,   16,
       17,   18,    1,    1,    1,    1,    1,    1,   19,    1,
        1,    1,   20,    1,    1,    1,    1,    1,    1,   21,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
       22,    1,   23,   24,   25,    1,   26,   27,   28,   29,

       30,   31,   32,   33,   34,    1,    1,   35,   36,   37,
       38,   39,   40,   41,   42,   43,   44,   45,    1,   46,
        1,    1,    1,   47,    1,   48,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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 int yy_meta[49] =
    {   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
    } ;

static yyconst short int yy_base[119] =
    {   0,
        0,    0,  170,  171,  167,  171,  171,  171,  171,  171,
      171,  171,  171,   36,  171,   41,   40,  151,  150,  146,
      171,  171,  171,   34,   33,   28,  119,  127,  125,   38,
       40,  136,  123,  171,  171,  158,   68,   71,   78,   92,
      171,  171,  171,  171,  171,  117,  120,   33,  131,  119,
      111,   44,   57,  115,  171,  121,  106,  114,  116,  112,
      107,  110,  105,  101,  104,  107,  171,  103,  107,  109,
      105,  112,   99,  103,   99,   92,  107,  171,  121,  171,
      171,  103,  104,   89,  102,  171,  110,  113,  101,  100,
       81,   83,  171,   69,   65,  171,  171,  171,   90,   53,

      171,  171,  171,  171,  171,   58,  171,  171,  171,  171,
      171,   63,   52,   43,   28,   24,  171,  171
    } ;

static yyconst short int yy_def[119] =
    {   0,
      118,    1,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,

      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,    0
    } ;

static yyconst short int yy_nxt[220] =
    {   0,
        4,    5,    6,    7,    8,    9,   10,   11,   12,   13,
       14,   15,   16,   16,   16,   17,   18,   19,    4,    4,
       20,   21,   22,   23,    4,   24,   25,   26,    4,   27,
        4,    4,    4,   28,   29,   30,    4,    4,    4,    4,
        4,   31,   32,    4,    4,   33,   34,   35,   37,   37,
       37,   38,  117,   39,   39,   39,   41,   42,   50,   40,
       46,   47,   52,   57,  116,   53,   69,   51,  115,   74,
       40,   58,   59,   60,   70,   48,   49,   75,  114,   61,
       37,   37,   37,   37,   37,   37,   64,  113,   38,   40,
       39,   39,   39,   76,  112,  111,   40,   64,   77,   65,

       40,   65,  110,  109,   66,   66,   66,   40,   87,  108,
       87,  107,  106,   88,   88,   88,   66,   66,   66,   66,
       66,   66,   88,   88,   88,   88,   88,   88,  105,  104,
      103,  102,  101,  100,   99,   98,   97,   96,   95,   94,
       93,   92,   91,   90,   89,   86,   85,   84,   83,   82,
       81,   80,   79,   78,   73,   72,   71,   68,   67,   36,
       63,   62,   56,   55,   54,   45,   44,   43,   36,  118,
        3,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,

      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118
    } ;

static yyconst short int yy_chk[220] =
    {   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,   14,   14,
       14,   16,  116,   16,   16,   16,   17,   17,   25,   16,
       24,   24,   26,   30,  115,   26,   48,   25,  114,   52,
       16,   30,   31,   31,   48,   24,   24,   52,  113,   31,
       37,   37,   37,   38,   38,   38,   37,  112,   39,   38,
       39,   39,   39,   53,  106,  100,   39,   37,   53,   40,

       38,   40,   99,   95,   40,   40,   40,   39,   64,   94,
       64,   92,   91,   64,   64,   64,   65,   65,   65,   66,
       66,   66,   87,   87,   87,   88,   88,   88,   90,   89,
       85,   84,   83,   82,   79,   77,   76,   75,   74,   73,
       72,   71,   70,   69,   68,   63,   62,   61,   60,   59,
       58,   57,   56,   54,   51,   50,   49,   47,   46,   36,
       33,   32,   29,   28,   27,   20,   19,   18,    5,    3,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,

      118,  118,  118,  118,  118,  118,  118,  118,  118,  118,
      118,  118,  118,  118,  118,  118,  118,  118,  118
    } ;

/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
//#line 1 "ossimEquTokenizer.l"
#define INITIAL 0
//#line 2 "ossimEquTokenizer.l"
#include <ossim/base/ossimEquTokenDefines.h>
//#line 413 "lex.ossimEquTokenizer.cc"

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

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


#ifndef yytext_ptr
static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
#endif

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

#ifndef YY_NO_INPUT
#endif

#if YY_STACK_USED
static int yy_start_stack_ptr = 0;
static int yy_start_stack_depth = 0;
static int *yy_start_stack = 0;
#ifndef YY_NO_PUSH_STATE
static void yy_push_state YY_PROTO(( int new_state ));
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state YY_PROTO(( void ));
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state YY_PROTO(( void ));
#endif

#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#endif

#ifdef YY_MALLOC_DECL
YY_MALLOC_DECL
#else
#if __STDC__
#ifndef __cplusplus
#include <stdlib.h>
#endif
#else
/* Just try to get by without declaring the routines.  This will fail
 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 * or sizeof(void*) != sizeof(int).
 */
#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
#define ECHO LexerOutput( yytext, yyleng )
#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 ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
        YY_FATAL_ERROR( "input in flex scanner failed" );
#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) LexerError( msg )
#endif

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL int yyFlexLexer::yylex()
#endif

/* 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

YY_DECL
    {
    yy_state_type yy_current_state;
    char *yy_cp = NULL, *yy_bp = NULL;
    int yy_act;

//#line 15 "ossimEquTokenizer.l"


//#line 543 "lex.ossimEquTokenizer.cc"

    if ( yy_init )
        {
        yy_init = 0;

#ifdef YY_USER_INIT
        YY_USER_INIT;
#endif

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

        if ( ! yyin )
            yyin = &cin;

        if ( ! yyout )
            yyout = &cout;

        if ( ! yy_current_buffer )
            yy_current_buffer =
                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
                {
                   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;
                   }
                   
                   // yy_chk size == 119
                   // yy_base size == 119
                   
                   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 >= 119 )
                      {
                         yy_c = yy_meta[(unsigned int) yy_c];
                      }
                      
                      //---
                      // NOTE:
                      // Need to test this!
                      // Above condition yy_current_state >= 119  flaged by coverity scan
                      // as an array out of bounds read. Both yy_chk and yy_base have
                      // size of 119.  Added break to fix.
                      // drb - 20150529
                      //---
                      if ( (yy_current_state >= 119) ||
                           ( (yy_base[yy_current_state] + yy_c) >= 119 ) )
                      {
                         break;
                      }
                   }
                   
                   yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
                   ++yy_cp;
                }
        while ( yy_base[yy_current_state] != 171 );

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 17 "ossimEquTokenizer.l"
/* skip blanks and tabs */
    YY_BREAK
case 2:
YY_RULE_SETUP
//#line 19 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_CONSTANT;
           }
    YY_BREAK
case 3:
YY_RULE_SETUP
//#line 22 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_COMMA;
           }
    YY_BREAK
case 4:
YY_RULE_SETUP
//#line 25 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_DIV;
           }
    YY_BREAK
case 5:
YY_RULE_SETUP
//#line 29 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_MULT;
           }
    YY_BREAK
case 6:
YY_RULE_SETUP
#line 33 "ossimEquTokenizer.l"
{ 
               return OSSIM_EQU_TOKEN_OR_BAR;
           }
    YY_BREAK
case 7:
YY_RULE_SETUP
#line 37 "ossimEquTokenizer.l"
{ 
               return OSSIM_EQU_TOKEN_AMPERSAND;
           }
    YY_BREAK
case 8:
YY_RULE_SETUP
#line 40 "ossimEquTokenizer.l"
{ 
               return OSSIM_EQU_TOKEN_TILDE;
           }
    YY_BREAK
case 9:
YY_RULE_SETUP
#line 44 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_PLUS;
           }
    YY_BREAK
case 10:
YY_RULE_SETUP
#line 47 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_MINUS;
           }
    YY_BREAK
case 11:
YY_RULE_SETUP
#line 50 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_MOD;
           }
    YY_BREAK
case 12:
YY_RULE_SETUP
#line 53 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_LEFT_ARRAY_BRACKET;
           }
    YY_BREAK
case 13:
YY_RULE_SETUP
#line 56 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_RIGHT_ARRAY_BRACKET;
           }
    YY_BREAK
case 14:
YY_RULE_SETUP
#line 59 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_LEFT_PAREN;
        }
    YY_BREAK
case 15:
YY_RULE_SETUP
#line 62 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_RIGHT_PAREN;
           }
    YY_BREAK
case 16:
YY_RULE_SETUP
#line 65 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_POWER;
           }
    YY_BREAK
case 17:
YY_RULE_SETUP
#line 68 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_XOR;
        }
    YY_BREAK
case 18:
YY_RULE_SETUP
#line 72 "ossimEquTokenizer.l"
{
             return OSSIM_EQU_TOKEN_IMAGE_VARIABLE;
        }
    YY_BREAK
case 19:
YY_RULE_SETUP
#line 75 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_PI;
           }
    YY_BREAK
case 20:
YY_RULE_SETUP
#line 78 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_LOG;
           }
    YY_BREAK
case 21:
YY_RULE_SETUP
#line 81 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_LOG10;
           }
    YY_BREAK
case 22:
YY_RULE_SETUP
#line 84 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_EXP;
           } 
    YY_BREAK
case 23:
YY_RULE_SETUP
#line 87 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_SIN;
           }
    YY_BREAK
case 24:
YY_RULE_SETUP
#line 90 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_SIND;
           }
    YY_BREAK
case 25:
YY_RULE_SETUP
#line 93 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ASIN;
           }
    YY_BREAK
case 26:
YY_RULE_SETUP
#line 96 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ASIND;
           }
    YY_BREAK
case 27:
YY_RULE_SETUP
#line 99 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_COS;
           }
    YY_BREAK
case 28:
YY_RULE_SETUP
#line 102 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_COSD;
           }
    YY_BREAK
case 29:
YY_RULE_SETUP
#line 105 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ACOS;
           }
    YY_BREAK
case 30:
YY_RULE_SETUP
#line 108 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ACOSD;
           }
    YY_BREAK
case 31:
YY_RULE_SETUP
#line 111 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_TAN;
           }
    YY_BREAK
case 32:
YY_RULE_SETUP
#line 114 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_TAND;
           }
    YY_BREAK
case 33:
YY_RULE_SETUP
#line 117 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ATAN;
           }
    YY_BREAK
case 34:
YY_RULE_SETUP
#line 120 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ATAND;
           }
    YY_BREAK
case 35:
YY_RULE_SETUP
#line 123 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ABS;
           }
    YY_BREAK
case 36:
YY_RULE_SETUP
#line 126 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_SQRT;
           }
    YY_BREAK
case 37:
YY_RULE_SETUP
#line 129 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_MIN;
           }
    YY_BREAK
case 38:
YY_RULE_SETUP
#line 132 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_MAX;
           }
    YY_BREAK
case 39:
YY_RULE_SETUP
#line 135 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_CONV;
           }
    YY_BREAK
case 40:
YY_RULE_SETUP
#line 138 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_SHIFT;
           }
    YY_BREAK
case 41:
YY_RULE_SETUP
#line 141 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BLURR;
           }
    YY_BREAK
case 42:
YY_RULE_SETUP
#line 144 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BAND;
           }
    YY_BREAK
case 43:
YY_RULE_SETUP
#line 147 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_ASSIGN_BAND;
              }
    YY_BREAK
case 44:
YY_RULE_SETUP
#line 150 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_CLIP;
        }
    YY_BREAK
case 45:
YY_RULE_SETUP
#line 153 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_CLAMP;
        }
    YY_BREAK
case 46:
YY_RULE_SETUP
#line 156 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BEQUAL;
}
    YY_BREAK
case 47:
YY_RULE_SETUP
#line 159 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BGREATER;
}
    YY_BREAK
case 48:
YY_RULE_SETUP
#line 162 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BGREATEROREQUAL;
}
    YY_BREAK
case 49:
YY_RULE_SETUP
#line 165 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BLESS;
}
    YY_BREAK
case 50:
YY_RULE_SETUP
#line 168 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BLESSOREQUAL;
}
    YY_BREAK
case 51:
YY_RULE_SETUP
#line 171 "ossimEquTokenizer.l"
{
               return OSSIM_EQU_TOKEN_BDIFFERENT;
}
    YY_BREAK
case 52:
YY_RULE_SETUP
#line 175 "ossimEquTokenizer.l"
ECHO;
    YY_BREAK
#line 986 "lex.ossimEquTokenizer.cc"
case YY_STATE_EOF(INITIAL):
    yyterminate();

    case YY_END_OF_BUFFER:
        {
        /* Amount of text matched not including the EOB char. */
        int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;

        /* Undo the effects of YY_DO_BEFORE_ACTION. */
        *yy_cp = yy_hold_char;
        YY_RESTORE_YY_MORE_OFFSET

        if ( yy_current_buffer->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->yy_n_chars;
            yy_current_buffer->yy_input_file = yyin;
            yy_current_buffer->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->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->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 */

yyFlexLexer::yyFlexLexer( istream* arg_yyin, ostream* arg_yyout )
    {
    yyin = arg_yyin;
    yyout = arg_yyout;
    yy_c_buf_p = 0;
    yy_init = 1;
    yy_start = 0;
    yy_flex_debug = 0;
    yylineno = 1;   // this will only get updated if %option yylineno

    yy_did_buffer_switch_on_eof = 0;

    yy_looking_for_trail_begin = 0;
    yy_more_flag = 0;
    yy_more_len = 0;
    yy_more_offset = yy_prev_more_offset = 0;

    yy_start_stack_ptr = yy_start_stack_depth = 0;
    yy_start_stack = 0;

    yy_current_buffer = 0;

#ifdef YY_USES_REJECT
    yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
#else
    yy_state_buf = 0;
#endif
    }

yyFlexLexer::~yyFlexLexer()
    {
    delete yy_state_buf;
    yy_delete_buffer( yy_current_buffer );
    }

void yyFlexLexer::switch_streams( istream* new_in, ostream* new_out )
    {
    if ( new_in )
        {
        yy_delete_buffer( yy_current_buffer );
        yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
        }

    if ( new_out )
        yyout = new_out;
    }

#ifdef YY_INTERACTIVE
int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
#else
int yyFlexLexer::LexerInput( char* buf, int max_size )
#endif
    {
    if ( yyin->eof() || yyin->fail() )
        return 0;

#ifdef YY_INTERACTIVE
    yyin->get( buf[0] );

    if ( yyin->eof() )
        return 0;

    if ( yyin->bad() )
        return -1;

    return 1;

#else
    (void) yyin->read( buf, max_size );

    if ( yyin->bad() )
        return -1;
    else
        return yyin->gcount();
#endif
    }

void yyFlexLexer::LexerOutput( const char* buf, int size )
    {
    (void) yyout->write( buf, size );
    }

/* 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
 */

int yyFlexLexer::yy_get_next_buffer()
    {
    char *dest = yy_current_buffer->yy_ch_buf;
    char *source = yytext_ptr;
    int number_to_move, i;
    int ret_val;

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

    if ( yy_current_buffer->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->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->yy_n_chars = yy_n_chars = 0;

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

        while ( num_to_read <= 0 )
            { /* Not enough room in the buffer - grow it. */
#ifdef YY_USES_REJECT
            YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
#else

            /* 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. */
                    yy_flex_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->yy_buf_size -
                        number_to_move - 1;
#endif
            }

        if ( num_to_read > YY_READ_BUF_SIZE )
            num_to_read = YY_READ_BUF_SIZE;

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

        yy_current_buffer->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->yy_buffer_status =
                YY_BUFFER_EOF_PENDING;
            }
        }

    else
        ret_val = EOB_ACT_CONTINUE_SCAN;

    yy_n_chars += number_to_move;
    yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
    yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

    yytext_ptr = &yy_current_buffer->yy_ch_buf[0];

    return ret_val;
    }


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

yy_state_type yyFlexLexer::yy_get_previous_state()
    {
    yy_state_type yy_current_state;
    char *yy_cp;

    yy_current_state = yy_start;

    for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
        {
        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 >= 119 )
                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 );
 */

yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
    {
    int yy_is_jam;
    char *yy_cp = yy_c_buf_p;

    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 >= 119 )
            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 == 118);

    return yy_is_jam ? 0 : yy_current_state;
    }


void yyFlexLexer::yyunput( int c, char* yy_bp )
    {
    char *yy_cp = yy_c_buf_p;

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

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

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

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

        if ( yy_cp < yy_current_buffer->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;
    }


int yyFlexLexer::yyinput()
    {
    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->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 );

                    /* fall through */

                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;
    }

void yyFlexLexer::yyrestart( istream* input_file )
    {
    if ( ! yy_current_buffer )
        yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );

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


void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
    {
    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->yy_buf_pos = yy_c_buf_p;
        yy_current_buffer->yy_n_chars = yy_n_chars;
        }

    yy_current_buffer = 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;
    }


void yyFlexLexer::yy_load_buffer_state()
    {
    yy_n_chars = yy_current_buffer->yy_n_chars;
    yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
    yyin = yy_current_buffer->yy_input_file;
    yy_hold_char = *yy_c_buf_p;
    }


YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
    {
    YY_BUFFER_STATE b;

    b = (YY_BUFFER_STATE) yy_flex_alloc( 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 *) yy_flex_alloc( 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;
    }


void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
    {
    if ( ! b )
        return;

    if ( b == yy_current_buffer )
        yy_current_buffer = (YY_BUFFER_STATE) 0;

    if ( b->yy_is_our_buffer )
        yy_flex_free( (void *) b->yy_ch_buf );

    yy_flex_free( (void *) b );
    }


void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )

    {
    yy_flush_buffer( b );

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

    b->yy_is_interactive = 0;
    }


void yyFlexLexer::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();
    }


#ifndef YY_NO_SCAN_BUFFER
#endif


#ifndef YY_NO_SCAN_STRING
#endif


#ifndef YY_NO_SCAN_BYTES
#endif


#ifndef YY_NO_PUSH_STATE
void yyFlexLexer::yy_push_state( int new_state )
    {
    if ( yy_start_stack_ptr >= yy_start_stack_depth )
        {
        yy_size_t new_size;

        yy_start_stack_depth += YY_START_STACK_INCR;
        new_size = yy_start_stack_depth * sizeof( int );

        if ( ! yy_start_stack )
            yy_start_stack = (int *) yy_flex_alloc( new_size );

        else
            yy_start_stack = (int *) yy_flex_realloc(
                    (void *) yy_start_stack, new_size );

        if ( ! yy_start_stack )
            YY_FATAL_ERROR(
            "out of memory expanding start-condition stack" );
        }

    yy_start_stack[yy_start_stack_ptr++] = YY_START;

    BEGIN(new_state);
    }
#endif


#ifndef YY_NO_POP_STATE
void yyFlexLexer::yy_pop_state()
    {
    if ( --yy_start_stack_ptr < 0 )
        YY_FATAL_ERROR( "start-condition stack underflow" );

    BEGIN(yy_start_stack[yy_start_stack_ptr]);
    }
#endif


#ifndef YY_NO_TOP_STATE
int yyFlexLexer::yy_top_state()
    {
    return yy_start_stack[yy_start_stack_ptr - 1];
    }
#endif

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif


void yyFlexLexer::LexerError( yyconst char msg[] )
    {
    cerr << msg << '\n';
    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. */ \
        yytext[yyleng] = yy_hold_char; \
        yy_c_buf_p = yytext + n; \
        yy_hold_char = *yy_c_buf_p; \
        *yy_c_buf_p = '\0'; \
        yyleng = n; \
        } \
    while ( 0 )


/* Internal utility routines. */

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

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

    return n;
    }
#endif


#ifdef YY_USE_PROTOS
static void *yy_flex_alloc( yy_size_t size )
#else
static void *yy_flex_alloc( size )
yy_size_t size;
#endif
    {
    return (void *) malloc( size );
    }

#ifdef YY_USE_PROTOS
static void *yy_flex_realloc( void *ptr, yy_size_t size )
#else
static void *yy_flex_realloc( ptr, size )
void *ptr;
yy_size_t size;
#endif
    {
    /* 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 );
    }

#ifdef YY_USE_PROTOS
static void yy_flex_free( void *ptr )
#else
static void yy_flex_free( ptr )
void *ptr;
#endif
    {
    free( ptr );
    }

#if YY_MAIN
int main()
    {
    yylex();
    return 0;
    }
#endif
#line 175 "ossimEquTokenizer.l"

int yywrap()
{
   return 1;
}