LutScanner.cpp

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#line 2 "LutScanner.cpp"

#line 4 "LutScanner.cpp"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

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

    /* The c++ scanner is a mess. The FlexLexer.h header file relies on the
     * following macro. This is required in order to pass the c++-multiple-scanners
     * test in the regression suite. We get reports that it breaks inheritance.
     * We will address this in a future release of flex, or omit the C++ scanner
     * altogether.
     */
    #define yyFlexLexer LutFlexLexer

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

/* begin standard C headers. */

/* 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;
#endif /* ! C99 */

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

#endif /* ! FLEXINT_H */

/* begin standard C++ headers. */
#include <iostream> 
#include <errno.h>
#include <cstdlib>
#include <cstring>
/* end standard C++ headers. */

#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 yyrestart( yyin  )

#define YY_END_OF_BUFFER_CHAR 0

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

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

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

extern int yyleng;

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

    #define YY_LESS_LINENO(n)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
    do \
        { \
        /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
        *yy_cp = (yy_hold_char); \
        YY_RESTORE_YY_MORE_OFFSET \
        (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
        YY_DO_BEFORE_ACTION; /* set up yytext again */ \
        } \
    while ( 0 )

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

#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
    {

    std::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;

    int yy_bs_lineno; /**< The line count. */
    int yy_bs_column; /**< The column count. */
    
    /* Whether to try to fill the input buffer when we reach the
     * end of it.
     */
    int yy_fill_buffer;

    int yy_buffer_status;

#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
    /* When an EOF's been seen but there's still some text to process
     * then we mark the buffer as YY_EOF_PENDING, to indicate that we
     * shouldn't try reading from the input source any more.  We might
     * still have a bunch of tokens to match, though, because of
     * possible backing-up.
     *
     * When we actually see the EOF, we change the status to "new"
     * (via yyrestart()), so that the user can continue scanning by
     * just pointing yyin at a new input file.
     */
#define YY_BUFFER_EOF_PENDING 2

    };
#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* 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)]

void *Lutalloc (yy_size_t  );
void *Lutrealloc (void *,yy_size_t  );
void Lutfree (void *  );

#define yy_new_buffer yy_create_buffer

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

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

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

typedef unsigned char YY_CHAR;

#define yytext_ptr yytext

#include <FlexLexer.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 = (size_t) (yy_cp - yy_bp); \
    (yy_hold_char) = *yy_cp; \
    *yy_cp = '\0'; \
    (yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 12
#define YY_END_OF_BUFFER 13
/* 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[19] =
    {   0,
        0,    0,   13,   11,    9,    9,    3,    4,    7,    6,
       10,    2,    8,   11,    5,   10,    1,    0
    } ;

static yyconst flex_int32_t yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    1,    1,    1,    1,    1,    1,    4,
        5,    6,    7,    1,    1,    1,    1,    8,    8,    9,
        9,    9,    9,    9,    9,    9,    9,    1,    1,    1,
       10,    1,    1,   11,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12,   12,
        1,    1,    1,    1,    1,    1,   12,   12,   12,   12,

       12,   12,   12,   12,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12,   12,
       12,   12,    1,    1,    1,   13,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[14] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    2,    2,    1,
        1,    1,    1
    } ;

static yyconst flex_int16_t yy_base[20] =
    {   0,
        0,    0,   17,   18,   18,   18,   18,   18,   18,   18,
        8,   18,   18,    0,   18,    7,   18,   18,   12
    } ;

static yyconst flex_int16_t yy_def[20] =
    {   0,
       18,    1,   18,   18,   18,   18,   18,   18,   18,   18,
       18,   18,   18,   19,   18,   18,   18,    0,   18
    } ;

static yyconst flex_int16_t yy_nxt[32] =
    {   0,
        4,    5,    6,    7,    8,    9,   10,   11,    4,   12,
       13,   14,   15,   17,   16,   16,   18,    3,   18,   18,
       18,   18,   18,   18,   18,   18,   18,   18,   18,   18,
       18
    } ;

static yyconst flex_int16_t yy_chk[32] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,   19,   16,   11,    3,   18,   18,   18,
       18,   18,   18,   18,   18,   18,   18,   18,   18,   18,
       18
    } ;

/* 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 "scanner.ll"
/*
// Torc - Copyright 2011-2013 University of Southern California.  All Rights Reserved.
// $HeadURL: https://svn.east.isi.edu/torc/trunk/src/torc/bitstream/assembler/lut/scanner.ll $
// $Id: scanner.ll 1304 2013-02-26 01:16:38Z nsteiner $

// This program is free software: you can redistribute it and/or modify it under the terms of the 
// GNU General Public License as published by the Free Software Foundation, either version 3 of the 
// License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See 
// the GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License along with this program.  If 
// not, see <http://www.gnu.org/licenses/>.
*/
#line 20 "scanner.ll"


// ------------------------------------------------------------------------------------------------
// -------------------------------------- C/C++ declarations --------------------------------------
// ------------------------------------------------------------------------------------------------


// disable GCC warnings that Bison gives us little control over
//#pragma GCC diagnostic ignored "-Wshorten-64-to-32"
//#pragma GCC diagnostic ignored "-Werror"
//#pragma GCC diagnostic ignored "-Wall"

#include <string>
#include "torc/bitstream/assembler/lut/LutScanner.hpp"

namespace torc { namespace bitstream {} }
using namespace torc::bitstream;

/// \brief Import the parser's token types into a local typedef
typedef torc::LutParser::token token;
typedef torc::LutParser::token_type token_type;

/// \details By default, yylex() returns int, but we want token_type instead.  Unfortunately, 
///     yyterminate returns 0 by default, which is not of token_type.
#define yyterminate() return token::END

/// \brief Disable the inclusion of unistd.h, which is not available under Visual C++ on Win32.
/// \details The C++ scanner uses STL streams instead.
#define YY_NO_UNISTD_H

//#define DEBUG(a) printf a
#define DEBUG(a)
#define DEBUG1(a) printf a


/* ---------------------------------------------------------------------------------------------- */
/* -------------------------------- Flex declarations and options ------------------------------- */
/* ---------------------------------------------------------------------------------------------- */
/** \brief Enable C++ generation for the scanner class. **/
/** \brief Change the name of the scanner class to "LutFlexLexer". **/
/** \brief The manual says batch is "somewhat more optimized". **/
/** \brief Enable debug output from the scanner. **/
/*%option debug*/
/** \brief We anticipate no included LUT files. **/
/** \brief Track location information.  Each time yylex is invoked, begin is moved to end. **/
#line 81 "scanner.ll"
#define YY_USER_ACTION  yylloc->columns(yyleng);
#line 477 "LutScanner.cpp"

#define INITIAL 0

#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
 * down here because we want the user's section 1 to have been scanned first.
 * The user has a chance to override it with an option.
 */
#include <unistd.h>
#endif

#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif

#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

#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

/* 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
#define YY_DECL int yyFlexLexer::yylex()
#endif /* !YY_DECL */

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

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

#define YY_RULE_SETUP \
    YY_USER_ACTION

/** The main scanner function which does all the work.
 */
YY_DECL
{
    register yy_state_type yy_current_state;
    register char *yy_cp, *yy_bp;
    register int yy_act;
    
#line 84 "scanner.ll"



 /* ---------------------------------------------------------------------------------------------- */
 /* --------------------------------- scanner regular expressions -------------------------------- */
 /* ---------------------------------------------------------------------------------------------- */


 /** \brief Code belonging at the beginning of yylex(). **/

    yylloc->step();



 /* ---------------------------------------------------------------------------------------------- */
 /* ------------------------------------ Begin XDL lexer rules ----------------------------------- */
 /* ---------------------------------------------------------------------------------------------- */


#line 597 "LutScanner.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 ( ! yyin )
            yyin = & std::cin;

        if ( ! yyout )
            yyout = & std::cout;

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

        yy_load_buffer_state(  );
        }

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

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

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

        yy_current_state = (yy_start);
yy_match:
        do
            {
            register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
            if ( yy_accept[yy_current_state] )
                {
                (yy_last_accepting_state) = yy_current_state;
                (yy_last_accepting_cpos) = yy_cp;
                }
            while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                {
                yy_current_state = (int) yy_def[yy_current_state];
                if ( yy_current_state >= 19 )
                    yy_c = yy_meta[(unsigned int) yy_c];
                }
            yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
            ++yy_cp;
            }
        while ( yy_current_state != 18 );
        yy_cp = (yy_last_accepting_cpos);
        yy_current_state = (yy_last_accepting_state);

yy_find_action:
        yy_act = yy_accept[yy_current_state];

        YY_DO_BEFORE_ACTION;

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

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

case 1:
YY_RULE_SETUP
#line 103 "scanner.ll"
{ *yylval = yytext; return token::VAR; }
    YY_BREAK
case 2:
YY_RULE_SETUP
#line 104 "scanner.ll"
{  }
    YY_BREAK
case 3:
YY_RULE_SETUP
#line 105 "scanner.ll"
{ return token::LP; }
    YY_BREAK
case 4:
YY_RULE_SETUP
#line 106 "scanner.ll"
{ return token::RP; }
    YY_BREAK
case 5:
YY_RULE_SETUP
#line 107 "scanner.ll"
{ *yylval = "NOT"; return token::NOT; }
    YY_BREAK
case 6:
YY_RULE_SETUP
#line 108 "scanner.ll"
{ *yylval = "OR"; return token::OR;}
    YY_BREAK
case 7:
YY_RULE_SETUP
#line 109 "scanner.ll"
{ *yylval = "AND"; return token::AND;}
    YY_BREAK
case 8:
YY_RULE_SETUP
#line 110 "scanner.ll"
{ *yylval = "XOR"; return token::XOR;}
    YY_BREAK
case 9:
/* rule 9 can match eol */
YY_RULE_SETUP
#line 111 "scanner.ll"
{  }
    YY_BREAK
case 10:
YY_RULE_SETUP
#line 112 "scanner.ll"
{ *yylval = yytext; return token::VAR; }
    YY_BREAK
case 11:
YY_RULE_SETUP
#line 113 "scanner.ll"
{ std::cout << "Flex Unrecognised token!" << std::endl; exit (-1); }
    YY_BREAK
/* ---------------------------------------------------------------------------------------------- */
/* ------------------------------------- End XDL lexer rules ------------------------------------ */
/* ---------------------------------------------------------------------------------------------- */
case 12:
YY_RULE_SETUP
#line 121 "scanner.ll"
ECHO;
    YY_BREAK
#line 740 "LutScanner.cpp"
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_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
            {
            /* We're scanning a new file or input source.  It's
             * possible that this happened because the user
             * just pointed yyin at a new source and called
             * yylex().  If so, then we have to assure
             * consistency between YY_CURRENT_BUFFER and our
             * globals.  Here is the right place to do so, because
             * this is the first action (other than possibly a
             * back-up) that will match for the new input source.
             */
            (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
            YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
            YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
            }

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

            (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;

            yy_current_state = yy_get_previous_state(  );

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

            yy_next_state = yy_try_NUL_trans( yy_current_state );

            yy_bp = (yytext_ptr) + YY_MORE_ADJ;

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

            else
                {
                yy_cp = (yy_last_accepting_cpos);
                yy_current_state = (yy_last_accepting_state);
                goto yy_find_action;
                }
            }

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

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

                    yy_act = YY_STATE_EOF(YY_START);
                    goto do_action;
                    }

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

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

                yy_current_state = yy_get_previous_state(  );

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

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

                yy_current_state = yy_get_previous_state(  );

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

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

/* The contents of this function are C++ specific, so the () macro is not used.
 */
yyFlexLexer::yyFlexLexer( std::istream* arg_yyin, std::ostream* arg_yyout )
{
    yyin = arg_yyin;
    yyout = arg_yyout;
    yy_c_buf_p = 0;
    yy_init = 0;
    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 = NULL;

    yy_buffer_stack = 0;
    yy_buffer_stack_top = 0;
    yy_buffer_stack_max = 0;

    yy_state_buf = 0;

}

/* The contents of this function are C++ specific, so the () macro is not used.
 */
yyFlexLexer::~yyFlexLexer()
{
    delete [] yy_state_buf;
    Lutfree(yy_start_stack  );
    yy_delete_buffer( YY_CURRENT_BUFFER );
    Lutfree(yy_buffer_stack  );
}

/* The contents of this function are C++ specific, so the () macro is not used.
 */
void yyFlexLexer::switch_streams( std::istream* new_in, std::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()
{
        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. */
                    Lutrealloc((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;
            yyrestart( yyin  );
            }

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

    else
        ret_val = EOB_ACT_CONTINUE_SCAN;

    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 *) Lutrealloc((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 */

    yy_state_type yyFlexLexer::yy_get_previous_state()
{
    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 >= 19 )
                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 )
{
    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 >= 19 )
            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 == 18);

    return yy_is_jam ? 0 : yy_current_state;
}

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

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

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

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

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

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

    *--yy_cp = (char) c;

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

    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_LVALUE->yy_ch_buf[(yy_n_chars)] )
            /* This was really a NUL. */
            *(yy_c_buf_p) = '\0';

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

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

                    /* Reset buffer status. */
                    yyrestart( yyin );

                    /*FALLTHROUGH*/

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

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

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

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

    return c;
}

/** Immediately switch to a different input stream.
 * @param input_file A readable stream.
 * 
 * @note This function does not reset the start condition to @c INITIAL .
 */
    void yyFlexLexer::yyrestart( std::istream* input_file )
{
    
    if ( ! YY_CURRENT_BUFFER ){
        yyensure_buffer_stack ();
        YY_CURRENT_BUFFER_LVALUE =
            yy_create_buffer( yyin, YY_BUF_SIZE );
    }

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

/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * 
 */
    void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
{
    
    /* TODO. We should be able to replace this entire function body
     * with
     *      yypop_buffer_state();
     *      yypush_buffer_state(new_buffer);
     */
    yyensure_buffer_stack ();
    if ( YY_CURRENT_BUFFER == new_buffer )
        return;

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

    YY_CURRENT_BUFFER_LVALUE = new_buffer;
    yy_load_buffer_state(  );

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

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

/** Allocate and initialize an input buffer state.
 * @param file A readable stream.
 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
 * 
 * @return the allocated buffer state.
 */
    YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( std::istream* file, int size )
{
    YY_BUFFER_STATE b;
    
    b = (YY_BUFFER_STATE) Lutalloc(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 *) Lutalloc(b->yy_buf_size + 2  );
    if ( ! b->yy_ch_buf )
        YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

    b->yy_is_our_buffer = 1;

    yy_init_buffer( b, file );

    return b;
}

/** Destroy the buffer.
 * @param b a buffer created with yy_create_buffer()
 * 
 */
    void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
{
    
    if ( ! b )
        return;

    if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
        YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;

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

    Lutfree((void *) b  );
}

extern "C" int isatty (int );

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

{
    int oerrno = errno;
    
    yy_flush_buffer( b );

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

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

    b->yy_is_interactive = 0;
    errno = oerrno;
}

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

/** Pushes the new state onto the stack. The new state becomes
 *  the current state. This function will allocate the stack
 *  if necessary.
 *  @param new_buffer The new state.
 *  
 */
void yyFlexLexer::yypush_buffer_state (YY_BUFFER_STATE new_buffer)
{
        if (new_buffer == NULL)
        return;

    yyensure_buffer_stack();

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

    /* Only push if top exists. Otherwise, replace top. */
    if (YY_CURRENT_BUFFER)
        (yy_buffer_stack_top)++;
    YY_CURRENT_BUFFER_LVALUE = new_buffer;

    /* copied from yy_switch_to_buffer. */
    yy_load_buffer_state(  );
    (yy_did_buffer_switch_on_eof) = 1;
}

/** Removes and deletes the top of the stack, if present.
 *  The next element becomes the new top.
 *  
 */
void yyFlexLexer::yypop_buffer_state (void)
{
        if (!YY_CURRENT_BUFFER)
        return;

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

    if (YY_CURRENT_BUFFER) {
        yy_load_buffer_state(  );
        (yy_did_buffer_switch_on_eof) = 1;
    }
}

/* Allocates the stack if it does not exist.
 *  Guarantees space for at least one push.
 */
void yyFlexLexer::yyensure_buffer_stack(void)
{
    int num_to_alloc;
    
    if (!(yy_buffer_stack)) {

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

    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 *) Lutalloc(new_size  );

        else
            (yy_start_stack) = (int *) Lutrealloc((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);
}

    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)]);
}

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

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif

void yyFlexLexer::LexerError( yyconst char msg[] )
{
        std::cerr << msg << std::endl;
    exit( YY_EXIT_FAILURE );
}

/* Redefine yyless() so it works in section 3 code. */

#undef yyless
#define yyless(n) \
    do \
        { \
        /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
        yytext[yyleng] = (yy_hold_char); \
        (yy_c_buf_p) = yytext + yyless_macro_arg; \
        (yy_hold_char) = *(yy_c_buf_p); \
        *(yy_c_buf_p) = '\0'; \
        yyleng = yyless_macro_arg; \
        } \
    while ( 0 )

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

/*
 * 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 *Lutalloc (yy_size_t  size )
{
    return (void *) malloc( size );
}

void *Lutrealloc  (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 Lutfree (void * ptr )
{
    free( (char *) ptr );   /* see Lutrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

#line 121 "scanner.ll"




// ------------------------------------------------------------------------------------------------
// ---------------------------------------- Additional code ---------------------------------------
// ------------------------------------------------------------------------------------------------


namespace torc {

    LutScanner::LutScanner(std::istream* in, std::ostream* out) : LutFlexLexer(in, out) {}

    LutScanner::~LutScanner() {}

    void LutScanner::set_debug(bool b) {
        yy_flex_debug = b;
    }

} // namespace torc


/// \details This implementation of LutFlexLexer::yylex() is necessary to fill the vtable of class 
///     LutFlexLexer.  We define the scanner's main yylex() function via YY_DECL to reside in class 
///     LutScanner instead.
#ifdef yylex
#undef yylex
#endif

int LutFlexLexer::yylex() {
    std::cerr << "in LutFlexLexer::yylex() !" << std::endl;
    return 0;
}

/// \details When the scanner receives an End-Of-File result from YY_INPUT, it checks yywrap() for 
///     permission to proceed.  If yywrap() returns false (zero), we assume that the function has 
///     set up yyin to point to the next input file, and the scanning continues.  If yywrap() 
///     instead returns true (non-zero), the scanner terminates and returns 0 to the caller.
int LutFlexLexer::yywrap() {
    return 1;
}

//namespace {
//  /// \brief Suppress GCC warnings about unused boost global variables.
//  void suppress_boost_gcc_warnings(void);
//  void suppress_boost_gcc_warnings(void) {
//      (void) boost::system::system_category;
//      (void) boost::system::generic_category;
//      (void) boost::system::posix_category;
//      (void) boost::system::errno_ecat;
//      (void) boost::system::native_ecat;
//  }
//}