#line 2 "expr-lex.cpp"

 /* A lexical scanner generated by flex */

 

 /* Scanner skeleton version:

  * $Header: /cvsroot/vba/VisualBoyAdvance/src/expr-lex.cpp,v 1.2 2003/06/06 14:17:21 forgotten Exp $

  */

 

 #define FLEX_SCANNER

 #define YY_FLEX_MAJOR_VERSION 2

 #define YY_FLEX_MINOR_VERSION 5

 

 #include <stdio.h>

 #ifdef __GNUC__

 #include <unistd.h>

 #endif

 

 

 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */

 #ifdef c_plusplus

 #ifndef __cplusplus

 #define __cplusplus

 #endif

 #endif

 

 

 #ifdef __cplusplus

 

 #include <stdlib.h>

 

 /* 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;

 extern FILE *yyin, *yyout;

 

 #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

         {

         FILE *yy_input_file;

 

         char *yy_ch_buf;                /* input buffer */

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

 

         /* Size of input buffer in bytes, not including room for EOB

          * characters.

          */

         yy_size_t yy_buf_size;

 

         /* Number of characters read into yy_ch_buf, not including EOB

          * characters.

          */

         int yy_n_chars;

 

         /* Whether we "own" the buffer - i.e., we know we created it,

          * and can realloc() it to grow it, and should free() it to

          * delete it.

          */

         int yy_is_our_buffer;

 

         /* Whether this is an "interactive" input source; if so, and

          * if we're using stdio for input, then we want to use getc()

          * instead of fread(), to make sure we stop fetching input after

          * each newline.

          */

         int yy_is_interactive;

 

         /* Whether we're considered to be at the beginning of a line.

          * If so, '^' rules will be active on the next match, otherwise

          * not.

          */

         int yy_at_bol;

 

         /* 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

         };

 

 static YY_BUFFER_STATE yy_current_buffer = 0;

 

 /* We provide macros for accessing buffer states in case in the

  * future we want to put the buffer states in a more general

  * "scanner state".

  */

 #define YY_CURRENT_BUFFER yy_current_buffer

 

 

 /* yy_hold_char holds the character lost when yytext is formed. */

 static char yy_hold_char;

 

 static int yy_n_chars;          /* number of characters read into yy_ch_buf */

 

 

 int yyleng;

 

 /* Points to current character in buffer. */

 static char *yy_c_buf_p = (char *) 0;

 static int yy_init = 1;         /* whether we need to initialize */

 static int yy_start = 0;        /* start state number */

 

 /* Flag which is used to allow yywrap()'s to do buffer switches

  * instead of setting up a fresh yyin.  A bit of a hack ...

  */

 static int yy_did_buffer_switch_on_eof;

 

 void yyrestart YY_PROTO(( FILE *input_file ));

 

 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));

 void yy_load_buffer_state YY_PROTO(( void ));

 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));

 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));

 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));

 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));

 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )

 

 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));

 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));

 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));

 

 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)

 

 

 #define yywrap() 1

 #define YY_SKIP_YYWRAP

 typedef unsigned char YY_CHAR;

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

 typedef int yy_state_type;

 extern char *yytext;

 #define yytext_ptr yytext

 

 static yy_state_type yy_get_previous_state YY_PROTO(( void ));

 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));

 static int yy_get_next_buffer YY_PROTO(( void ));

 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));

 

 /* Done after the current pattern has been matched and before the

  * corresponding action - sets up yytext.

  */

 #define YY_DO_BEFORE_ACTION \

         yytext_ptr = yy_bp; \

         yyleng = (int) (yy_cp - yy_bp); \

         yy_hold_char = *yy_cp; \

         *yy_cp = '\0'; \

         yy_c_buf_p = yy_cp;

 

 #define YY_NUM_RULES 10

 #define YY_END_OF_BUFFER 11

 static yyconst short int yy_accept[24] =

     {   0,

         0,    0,   11,    9,    8,    8,    6,    7,    9,    4,

         3,    2,    2,    8,    5,    3,    2,    2,    2,    2,

         2,    1,    0

     } ;

 

 static yyconst int 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,    4,    1,    1,

         1,    5,    1,    1,    6,    7,    1,    8,    8,    8,

         8,    8,    8,    8,    8,    8,    8,    1,    1,    1,

         1,    9,    1,    1,   10,   10,   10,   10,   10,   10,

        10,   10,   10,   10,   10,   10,   10,   10,   10,   10,

        10,   10,   10,   10,   10,   10,   10,   10,   10,   10,

         1,    1,    1,    1,   10,    1,   10,   10,   10,   10,

 

        11,   12,   10,   10,   13,   10,   10,   10,   10,   10,

        14,   10,   10,   10,   15,   10,   10,   10,   10,   10,

        10,   16,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

 

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    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[17] =

     {   0,

         1,    1,    1,    1,    1,    1,    1,    2,    1,    2,

         2,    2,    2,    2,    2,    2

     } ;

 

 static yyconst short int yy_base[25] =

     {   0,

         0,    0,   32,   33,   15,   17,   33,   33,   22,   33,

        22,    0,   16,   19,   33,   20,    0,   11,   15,   11,

        12,    0,   33,   21

     } ;

 

 static yyconst short int yy_def[25] =

     {   0,

        23,    1,   23,   23,   23,   23,   23,   23,   23,   23,

        23,   24,   24,   23,   23,   23,   24,   24,   24,   24,

        24,   24,    0,   23

     } ;

 

 static yyconst short int yy_nxt[50] =

     {   0,

         4,    5,    6,    7,    8,    9,   10,   11,    4,   12,

        12,   12,   12,   12,   13,   12,   14,   14,   14,   14,

        14,   14,   17,   22,   21,   20,   19,   16,   18,   16,

        15,   23,    3,   23,   23,   23,   23,   23,   23,   23,

        23,   23,   23,   23,   23,   23,   23,   23,   23

     } ;

 

 static yyconst short int yy_chk[50] =

     {   0,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    5,    5,    6,    6,

        14,   14,   24,   21,   20,   19,   18,   16,   13,   11,

         9,    3,   23,   23,   23,   23,   23,   23,   23,   23,

        23,   23,   23,   23,   23,   23,   23,   23,   23

     } ;

 

 static yy_state_type yy_last_accepting_state;

 static char *yy_last_accepting_cpos;

 

 /* The intent behind this definition is that it'll catch

  * any uses of REJECT which flex missed.

  */

 #define REJECT reject_used_but_not_detected

 #define yymore() yymore_used_but_not_detected

 #define YY_MORE_ADJ 0

 #define YY_RESTORE_YY_MORE_OFFSET

 char *yytext;

 #line 1 "expr.l"

 #define INITIAL 0

 #line 2 "expr.l"

 #include "expr.cpp.h"

 

 #ifndef __GNUC__

 #include <io.h>

 #define isatty _isatty

 #endif

 

 char *exprString;

 int exprCol;

 

 #define YY_INPUT(buf,result,max_size) \

     { \

     int c = *exprString++; \

     exprCol++;\

     result = (c == 0) ? YY_NULL : (buf[0] = c, 1); \

     }

 #define YY_MAIN 0

 #line 400 "expr-lex.cpp"

 

 /* 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 YY_NO_UNPUT

 static void yyunput YY_PROTO(( int c, char *buf_ptr ));

 #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

 #ifdef __cplusplus

 static int yyinput YY_PROTO(( void ));

 #else

 static int input YY_PROTO(( void ));

 #endif

 #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

 /* This used to be an fputs(), but since the string might contain NUL's,

  * we now use fwrite().

  */

 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )

 #endif

 

 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,

  * is returned in "result".

  */

 #ifndef YY_INPUT

 #define YY_INPUT(buf,result,max_size) \

         if ( yy_current_buffer->yy_is_interactive ) \

                 { \

                 int c = '*', n; \

                 for ( n = 0; n < max_size && \

                              (c = getc( yyin )) != EOF && c != '\n'; ++n ) \

                         buf[n] = (char) c; \

                 if ( c == '\n' ) \

                         buf[n++] = (char) c; \

                 if ( c == EOF && ferror( yyin ) ) \

                         YY_FATAL_ERROR( "input in flex scanner failed" ); \

                 result = n; \

                 } \

         else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \

                   && ferror( yyin ) ) \

                 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) yy_fatal_error( msg )

 #endif

 

 /* Default declaration of generated scanner - a define so the user can

  * easily add parameters.

  */

 #ifndef YY_DECL

 #define YY_DECL int yylex YY_PROTO(( void ))

 #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

         {

         register yy_state_type yy_current_state;

         register char *yy_cp = NULL, *yy_bp = NULL;

         register int yy_act;

 

 #line 31 "expr.l"

 

 

 #line 554 "expr-lex.cpp"

 

         if ( yy_init )

                 {

                 yy_init = 0;

 

 #ifdef YY_USER_INIT

                 YY_USER_INIT;

 #endif

 

                 if ( ! yy_start )

                         yy_start = 1;   /* first start state */

 

                 if ( ! yyin )

                         yyin = stdin;

 

                 if ( ! yyout )

                         yyout = stdout;

 

                 if ( ! yy_current_buffer )

                         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

                         {

                         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 >= 24 )

                                         yy_c = yy_meta[(unsigned int) yy_c];

                                 }

                         yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];

                         ++yy_cp;

                         }

                 while ( yy_base[yy_current_state] != 33 );

 

 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 33 "expr.l"

 {

         return TOKEN_SIZEOF;

 }

         YY_BREAK

 case 2:

 YY_RULE_SETUP

 #line 37 "expr.l"

 {

         return TOKEN_IDENTIFIER;

 }

         YY_BREAK

 case 3:

 YY_RULE_SETUP

 #line 41 "expr.l"

 {

         return TOKEN_NUMBER;

 }

         YY_BREAK

 case 4:

 YY_RULE_SETUP

 #line 45 "expr.l"

 {

         return TOKEN_DOT;

 }       

         YY_BREAK

 case 5:

 YY_RULE_SETUP

 #line 49 "expr.l"

 {

         return TOKEN_ARROW;

 }

         YY_BREAK

 case 6:

 YY_RULE_SETUP

 #line 53 "expr.l"

 {

         return TOKEN_ADDR;

 }

         YY_BREAK

 case 7:

 YY_RULE_SETUP

 #line 57 "expr.l"

 {

         return TOKEN_STAR;

 }

         YY_BREAK

 case 8:

 YY_RULE_SETUP

 #line 61 "expr.l"

 

         YY_BREAK

 case 9:

 YY_RULE_SETUP

 #line 63 "expr.l"

 return *yytext;

         YY_BREAK

 case 10:

 YY_RULE_SETUP

 #line 65 "expr.l"

 ECHO;

         YY_BREAK

 #line 701 "expr-lex.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->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 */

 

 

 /* yy_get_next_buffer - try to read in a new buffer

  *

  * Returns a code representing an action:

  *      EOB_ACT_LAST_MATCH -

  *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position

  *      EOB_ACT_END_OF_FILE - end of file

  */

 

 static int yy_get_next_buffer()

         {

         register char *dest = yy_current_buffer->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->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 */

 

 static yy_state_type 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 >= 24 )

                                 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 );

  */

 

 #ifdef YY_USE_PROTOS

 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )

 #else

 static yy_state_type yy_try_NUL_trans( yy_current_state )

 yy_state_type yy_current_state;

 #endif

         {

         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 >= 24 )

                         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 == 23);

 

         return yy_is_jam ? 0 : yy_current_state;

         }

 

 

 #ifndef YY_NO_UNPUT

 #ifdef YY_USE_PROTOS

 static void yyunput( int c, register char *yy_bp )

 #else

 static void yyunput( c, yy_bp )

 int c;

 register char *yy_bp;

 #endif

         {

         register 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. */

                 register int number_to_move = yy_n_chars + 2;

                 register char *dest = &yy_current_buffer->yy_ch_buf[

                                         yy_current_buffer->yy_buf_size + 2];

                 register 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;

         }

 #endif  /* ifndef YY_NO_UNPUT */

 

 

 #ifdef __cplusplus

 static int yyinput()

 #else

 static int input()

 #endif

         {

         int c;

 

         *yy_c_buf_p = yy_hold_char;

 

         if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )

                 {

                 /* yy_c_buf_p now points to the character we want to return.

                  * If this occurs *before* the EOB characters, then it's a

                  * valid NUL; if not, then we've hit the end of the buffer.

                  */

                 if ( yy_c_buf_p < &yy_current_buffer->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;

         }

 

 

 #ifdef YY_USE_PROTOS

 void yyrestart( FILE *input_file )

 #else

 void yyrestart( input_file )

 FILE *input_file;

 #endif

         {

         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();

         }

 

 

 #ifdef YY_USE_PROTOS

 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )

 #else

 void yy_switch_to_buffer( new_buffer )

 YY_BUFFER_STATE new_buffer;

 #endif

         {

         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;

         }

 

 

 #ifdef YY_USE_PROTOS

 void yy_load_buffer_state( void )

 #else

 void yy_load_buffer_state()

 #endif

         {

         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;

         }

 

 

 #ifdef YY_USE_PROTOS

 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )

 #else

 YY_BUFFER_STATE yy_create_buffer( file, size )

 FILE *file;

 int size;

 #endif

         {

         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;

         }

 

 

 #ifdef YY_USE_PROTOS

 void yy_delete_buffer( YY_BUFFER_STATE b )

 #else

 void yy_delete_buffer( b )

 YY_BUFFER_STATE b;

 #endif

         {

         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 );

         }

 

 

 

 #ifdef YY_USE_PROTOS

 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )

 #else

 void yy_init_buffer( b, file )

 YY_BUFFER_STATE b;

 FILE *file;

 #endif

 

 

         {

         yy_flush_buffer( b );

 

         b->yy_input_file = file;

         b->yy_fill_buffer = 1;

 

 #if YY_ALWAYS_INTERACTIVE

         b->yy_is_interactive = 1;

 #else

 #if YY_NEVER_INTERACTIVE

         b->yy_is_interactive = 0;

 #else

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

 #endif

 #endif

         }

 

 

 #ifdef YY_USE_PROTOS

 void yy_flush_buffer( YY_BUFFER_STATE b )

 #else

 void yy_flush_buffer( b )

 YY_BUFFER_STATE b;

 #endif

 

         {

         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

 #ifdef YY_USE_PROTOS

 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )

 #else

 YY_BUFFER_STATE yy_scan_buffer( base, size )

 char *base;

 yy_size_t size;

 #endif

         {

         YY_BUFFER_STATE b;

 

         if ( size < 2 ||

              base[size-2] != YY_END_OF_BUFFER_CHAR ||

              base[size-1] != YY_END_OF_BUFFER_CHAR )

                 /* They forgot to leave room for the EOB's. */

                 return 0;

 

         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );

         if ( ! b )

                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );

 

         b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */

         b->yy_buf_pos = b->yy_ch_buf = base;

         b->yy_is_our_buffer = 0;

         b->yy_input_file = 0;

         b->yy_n_chars = b->yy_buf_size;

         b->yy_is_interactive = 0;

         b->yy_at_bol = 1;

         b->yy_fill_buffer = 0;

         b->yy_buffer_status = YY_BUFFER_NEW;

 

         yy_switch_to_buffer( b );

 

         return b;

         }

 #endif

 

 

 #ifndef YY_NO_SCAN_STRING

 #ifdef YY_USE_PROTOS

 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )

 #else

 YY_BUFFER_STATE yy_scan_string( yy_str )

 yyconst char *yy_str;

 #endif

         {

         int len;

         for ( len = 0; yy_str[len]; ++len )

                 ;

 

         return yy_scan_bytes( yy_str, len );

         }

 #endif

 

 

 #ifndef YY_NO_SCAN_BYTES

 #ifdef YY_USE_PROTOS

 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )

 #else

 YY_BUFFER_STATE yy_scan_bytes( bytes, len )

 yyconst char *bytes;

 int len;

 #endif

         {

         YY_BUFFER_STATE b;

         char *buf;

         yy_size_t n;

         int i;

 

         /* Get memory for full buffer, including space for trailing EOB's. */

         n = len + 2;

         buf = (char *) yy_flex_alloc( n );

         if ( ! buf )

                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );

 

         for ( i = 0; i < len; ++i )

                 buf[i] = bytes[i];

 

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

 

         b = yy_scan_buffer( buf, n );

         if ( ! b )

                 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );

 

         /* It's okay to grow etc. this buffer, and we should throw it

          * away when we're done.

          */

         b->yy_is_our_buffer = 1;

 

         return b;

         }

 #endif

 

 

 #ifndef YY_NO_PUSH_STATE

 #ifdef YY_USE_PROTOS

 static void yy_push_state( int new_state )

 #else

 static void yy_push_state( new_state )

 int new_state;

 #endif

         {

         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

 static void 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

 static int yy_top_state()

         {

         return yy_start_stack[yy_start_stack_ptr - 1];

         }

 #endif

 

 #ifndef YY_EXIT_FAILURE

 #define YY_EXIT_FAILURE 2

 #endif

 

 #ifdef YY_USE_PROTOS

 static void yy_fatal_error( yyconst char msg[] )

 #else

 static void yy_fatal_error( msg )

 char msg[];

 #endif

         {

         (void) fprintf( stderr, "%s\n", msg );

         exit( YY_EXIT_FAILURE );

         }

 

 

 

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

 

 #undef yyless

 #define yyless(n) \

         do \

                 { \

                 /* Undo effects of setting up yytext. */ \

                 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

         {

         register 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

         {

         register 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 65 "expr.l"

 

 

 void exprCleanBuffer()

 {

   yy_delete_buffer(yy_current_buffer);

   yy_init = 1;

 }