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<{CODE_COLLAPSE_OFF}><{CODE_WRAP_OFF}>

#line 3 "lex.yy.c"

#define YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#define FLEX_SCANNER

#define YY_FLEX_MAJOR_VERSION 2

#define YY_FLEX_MINOR_VERSION 5

#define YY_FLEX_SUBMINOR_VERSION 39

#if YY_FLEX_SUBMINOR_VERSION > 0

#define FLEX_BETA

#endif

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

/* begin standard C headers. */

#include <stdio.h>

#include <string.h>

#include <errno.h>

#include <stdlib.h>

/* end standard C headers. */

/* flex integer type definitions */

#ifndef FLEXINT_H

#define FLEXINT_H

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

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

/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,

* if you want the limit (max/min) macros for int types.

#ifndef __STDC_LIMIT_MACROS

#define __STDC_LIMIT_MACROS 1

#endif

#include <inttypes.h>

typedef int8_t flex_int8_t;

typedef uint8_t flex_uint8_t;

typedef int16_t flex_int16_t;

typedef uint16_t flex_uint16_t;

typedef int32_t flex_int32_t;

typedef uint32_t flex_uint32_t;

#else

typedef signed char flex_int8_t;

typedef short int flex_int16_t;

typedef int flex_int32_t;

typedef unsigned char flex_uint8_t;

typedef unsigned short int flex_uint16_t;

typedef unsigned int flex_uint32_t;

/* Limits of integral types. */

#ifndef INT8_MIN

#define INT8_MIN (-128)

#endif

#ifndef INT16_MIN

#define INT16_MIN (-32767-1)

#endif

#ifndef INT32_MIN

#define INT32_MIN (-2147483647-1)

#endif

#ifndef INT8_MAX

#define INT8_MAX (127)

#endif

#ifndef INT16_MAX

#define INT16_MAX (32767)

#endif

#ifndef INT32_MAX

#define INT32_MAX (2147483647)

#endif

#ifndef UINT8_MAX

#define UINT8_MAX (255U)

#endif

#ifndef UINT16_MAX

#define UINT16_MAX (65535U)

#endif

#ifndef UINT32_MAX

#define UINT32_MAX (4294967295U)

#endif

#endif /* ! C99 */

#endif /* ! FLEXINT_H */

#ifdef __cplusplus

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

#define YY_USE_CONST

#else /* ! __cplusplus */

/* C99 requires __STDC__ to be defined as 1. */

#if defined (__STDC__)

#define YY_USE_CONST

#endif /* defined (__STDC__) */

#endif /* ! __cplusplus */

#ifdef YY_USE_CONST

#define yyconst const

#else

#define yyconst

#endif

/* Returned upon end-of-file. */

#define YY_NULL 0

/* Promotes a possibly negative, possibly signed char to an unsigned

* integer for use as an array index. If the signed char is negative,

* we want to instead treat it as an 8-bit unsigned char, hence the

* double cast.

#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)

/* Enter a start condition. This macro really ought to take a parameter,

* but we do it the disgusting crufty way forced on us by the ()-less

* definition of BEGIN.

#define BEGIN (yy_start) = 1 + 2 *

/* Translate the current start state into a value that can be later handed

* to BEGIN to return to the state. The YYSTATE alias is for lex

* compatibility.

#define YY_START (((yy_start) - 1) / 2)

#define YYSTATE YY_START

/* Action number for EOF rule of a given start state. */

#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)

/* Special action meaning "start processing a new file". */

#define YY_NEW_FILE 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

#ifndef YY_TYPEDEF_YY_SIZE_T

#define YY_TYPEDEF_YY_SIZE_T

typedef size_t yy_size_t;

#endif

extern yy_size_t yyleng;

extern FILE *yyin, *yyout;

#define EOB_ACT_CONTINUE_SCAN 0

#define EOB_ACT_END_OF_FILE 1

#define EOB_ACT_LAST_MATCH 2

#define YY_LESS_LINENO(n)

#define YY_LINENO_REWIND_TO(ptr)

/* 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_STRUCT_YY_BUFFER_STATE

#define YY_STRUCT_YY_BUFFER_STATE

struct yy_buffer_state

{

FILE *yy_input_file;

char *yy_ch_buf; /* input buffer */

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

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

* characters.

yy_size_t yy_buf_size;

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

* characters.

yy_size_t yy_n_chars;

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

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

* delete it.

int yy_is_our_buffer;

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

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

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

* each newline.

int yy_is_interactive;

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

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

* not.

int yy_at_bol;

int yy_bs_lineno; /**< The line count. */

int yy_bs_column; /**< The column count. */

/* Whether to try to fill the input buffer when we reach the

* end of it.

int yy_fill_buffer;

int yy_buffer_status;

#define YY_BUFFER_NEW 0

#define YY_BUFFER_NORMAL 1

/* When an EOF's been seen but there's still some text to process

* then we mark the buffer as YY_EOF_PENDING, to indicate that we

* shouldn't try reading from the input source any more. We might

* still have a bunch of tokens to match, though, because of

* possible backing-up.

* When we actually see the EOF, we change the status to "new"

* (via yyrestart()), so that the user can continue scanning by

* just pointing yyin at a new input file.

#define YY_BUFFER_EOF_PENDING 2

};

#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* Stack of input buffers. */

static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */

static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */

static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */

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

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

* "scanner state".

* Returns the top of the stack, or NULL.

#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \

? (yy_buffer_stack)[(yy_buffer_stack_top)] \

: NULL)

/* Same as previous macro, but useful when we know that the buffer stack is not

* NULL or when we need an lvalue. For internal use only.

#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]

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

static char yy_hold_char;

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

yy_size_t yyleng;

/* Points to current character in buffer. */

static char *yy_c_buf_p = (char *) 0;

static int yy_init = 0; /* whether we need to initialize */

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

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

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

static int yy_did_buffer_switch_on_eof;

void yyrestart (FILE *input_file );

void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );

YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );

void yy_delete_buffer (YY_BUFFER_STATE b );

void yy_flush_buffer (YY_BUFFER_STATE b );

void yypush_buffer_state (YY_BUFFER_STATE new_buffer );

void yypop_buffer_state (void );

static void yyensure_buffer_stack (void );

static void yy_load_buffer_state (void );

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

#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )

YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );

YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );

YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len );

void *yyalloc (yy_size_t );

void *yyrealloc (void *,yy_size_t );

void yyfree (void * );

#define yy_new_buffer yy_create_buffer

#define yy_set_interactive(is_interactive) \

{ \

if ( ! YY_CURRENT_BUFFER ){ \

yyensure_buffer_stack (); \

YY_CURRENT_BUFFER_LVALUE = \

yy_create_buffer(yyin,YY_BUF_SIZE ); \

} \

YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \

}

#define yy_set_bol(at_bol) \

{ \

if ( ! YY_CURRENT_BUFFER ){\

yyensure_buffer_stack (); \

YY_CURRENT_BUFFER_LVALUE = \

yy_create_buffer(yyin,YY_BUF_SIZE ); \

} \

YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \

}

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

typedef unsigned char YY_CHAR;

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

typedef int yy_state_type;

extern int yylineno;

int yylineno = 1;

extern char *yytext;

#define yytext_ptr yytext

static yy_state_type yy_get_previous_state (void );

static yy_state_type yy_try_NUL_trans (yy_state_type current_state );

static int yy_get_next_buffer (void );

static void yy_fatal_error (yyconst char msg[] );

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

* corresponding action - sets up yytext.

#define YY_DO_BEFORE_ACTION \

(yytext_ptr) = yy_bp; \

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

(yy_hold_char) = *yy_cp; \

*yy_cp = '\0'; \

(yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 3

#define YY_END_OF_BUFFER 4

/* 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[13] =

{ 0,

0, 0, 4, 3, 3, 0, 0, 0, 0, 1,

2, 0

} ;

static yyconst flex_int32_t yy_ec[256] =

{ 0,

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

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

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

3, 4, 1, 5, 6, 7, 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[8] =

{ 0,

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

} ;

static yyconst flex_int16_t yy_base[14] =

{ 0,

7, 6, 11, 14, 3, 0, 4, 4, 0, 14,

14, 14, 0

} ;

static yyconst flex_int16_t yy_def[14] =

{ 0,

13, 13, 12, 12, 12, 12, 12, 12, 12, 12,

12, 0, 12

} ;

static yyconst flex_int16_t yy_nxt[22] =

{ 0,

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

12, 5, 5, 3, 12, 12, 12, 12, 12, 12,

} ;

static yyconst flex_int16_t yy_chk[22] =

{ 0,

13, 6, 6, 0, 0, 0, 9, 8, 7, 5,

3, 2, 1, 12, 12, 12, 12, 12, 12, 12,

} ;

static yy_state_type yy_last_accepting_state;

static char *yy_last_accepting_cpos;

extern int yy_flex_debug;

int yy_flex_debug = 0;

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

* any uses of REJECT which flex missed.

#define REJECT reject_used_but_not_detected

#define yymore() yymore_used_but_not_detected

#define YY_MORE_ADJ 0

#define YY_RESTORE_YY_MORE_OFFSET

char *yytext;

#line 1 "example.l"

#line 2 "example.l"

#include <stdio.h>

#line 460 "lex.yy.c"

#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

static int yy_init_globals (void );

/* Accessor methods to globals.

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

int yylex_destroy (void );

int yyget_debug (void );

void yyset_debug (int debug_flag );

YY_EXTRA_TYPE yyget_extra (void );

void yyset_extra (YY_EXTRA_TYPE user_defined );

FILE *yyget_in (void );

void yyset_in (FILE * in_str );

FILE *yyget_out (void );

void yyset_out (FILE * out_str );

yy_size_t yyget_leng (void );

char *yyget_text (void );

int yyget_lineno (void );

void yyset_lineno (int line_number );

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

* section 1.

#ifndef YY_SKIP_YYWRAP

#ifdef __cplusplus

extern "C" int yywrap (void );

#else

extern int yywrap (void );

#endif

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

#ifndef yytext_ptr

static void yy_flex_strncpy (char *,yyconst char *,int );

#endif

#ifdef YY_NEED_STRLEN

static int yy_flex_strlen (yyconst char * );

#endif

#ifndef YY_NO_INPUT

#ifdef __cplusplus

static int yyinput (void );

#else

static int input (void );

#endif

/* 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 do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)

#endif

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

* is returned in "result".

#ifndef YY_INPUT

#define YY_INPUT(buf,result,max_size) \

if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \

{ \

int c = '*'; \

size_t n; \

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

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

buf[n] = (char) c; \

if ( c == '\n' ) \

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

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

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

result = n; \

} \

else \

{ \

errno=0; \

while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \

{ \

if( errno != EINTR) \

{ \

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

break; \

} \

errno=0; \

clearerr(yyin); \

} \

#endif

/* No semi-colon after return; correct usage is to write "yyterminate();" -

* we don't want an extra ';' after the "return" because that will cause

* some compilers to complain about unreachable statements.

#ifndef yyterminate

#define yyterminate() return YY_NULL

#endif

/* Number of entries by which start-condition stack grows. */

#ifndef YY_START_STACK_INCR

#define YY_START_STACK_INCR 25

#endif

/* Report a fatal error. */

#ifndef YY_FATAL_ERROR

#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )

#endif

/* end tables serialization structures and prototypes */

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

* easily add parameters.

#ifndef YY_DECL

#define YY_DECL_IS_OURS 1

extern int yylex (void);

#define YY_DECL int yylex (void)

#endif /* !YY_DECL */

/* Code executed at the beginning of each rule, after yytext and yyleng

* have been set up.

#ifndef YY_USER_ACTION

#define YY_USER_ACTION

#endif

/* Code executed at the end of each rule. */

#ifndef YY_BREAK

#define YY_BREAK break;

#endif

#define YY_RULE_SETUP \

YY_USER_ACTION

/** The main scanner function which does all the work.

YY_DECL

{

if ( !(yy_init) )

{

(yy_init) = 1;

#ifdef YY_USER_INIT

YY_USER_INIT;

#endif

if ( ! (yy_start) )

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

if ( ! yyin )

yyin = stdin;

if ( ! yyout )

yyout = stdout;

if ( ! YY_CURRENT_BUFFER ) {

yyensure_buffer_stack ();

YY_CURRENT_BUFFER_LVALUE =

yy_create_buffer(yyin,YY_BUF_SIZE );

}

yy_load_buffer_state( );

}

{

#line 5 "example.l"

#line 671 "lex.yy.c"

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:

{

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 >= 13 )

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] != 14 );

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 6 "example.l"

printf("Stop command received\n");

YY_BREAK

case 2:

YY_RULE_SETUP

#line 7 "example.l"

printf("Start command received\n");

YY_BREAK

case 3:

YY_RULE_SETUP

#line 8 "example.l"

ECHO;

YY_BREAK

#line 743 "lex.yy.c"

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_c_buf_p);

goto yy_find_action;

}

else switch ( yy_get_next_buffer( ) )

{

case EOB_ACT_END_OF_FILE:

{

(yy_did_buffer_switch_on_eof) = 0;

if ( yywrap( ) )

{

/* Note: because we've taken care in

* yy_get_next_buffer() to have set up

* yytext, we can now set up

* yy_c_buf_p so that if some total

* hoser (like flex itself) wants to

* call the scanner after we return the

* YY_NULL, it'll still work - another

* YY_NULL will get returned.

(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;

yy_act = YY_STATE_EOF(YY_START);

goto do_action;

}

else

{

if ( ! (yy_did_buffer_switch_on_eof) )

YY_NEW_FILE;

}

break;

}

case EOB_ACT_CONTINUE_SCAN:

(yy_c_buf_p) =

(yytext_ptr) + yy_amount_of_matched_text;

yy_current_state = yy_get_previous_state( );

yy_cp = (yy_c_buf_p);

yy_bp = (yytext_ptr) + YY_MORE_ADJ;

goto yy_match;

case EOB_ACT_LAST_MATCH:

(yy_c_buf_p) =

&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];

yy_current_state = yy_get_previous_state( );

yy_cp = (yy_c_buf_p);

yy_bp = (yytext_ptr) + YY_MORE_ADJ;

goto yy_find_action;

}

break;

}

default:

YY_FATAL_ERROR(

"fatal flex scanner internal error--no action found" );

} /* end of action switch */

} /* end of scanning one token */

} /* end of user's declarations */

} /* end of yylex */

/* yy_get_next_buffer - try to read in a new buffer

* Returns a code representing an action:

* EOB_ACT_LAST_MATCH -

* EOB_ACT_CONTINUE_SCAN - continue scanning from current position

* EOB_ACT_END_OF_FILE - end of file

static int yy_get_next_buffer (void)

{

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

{

yy_size_t 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_LVALUE;

int yy_c_buf_p_offset =

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

if ( b->yy_is_our_buffer )

{

yy_size_t new_size = b->yy_buf_size * 2;

if ( new_size <= 0 )

b->yy_buf_size += b->yy_buf_size / 8;

else

b->yy_buf_size *= 2;

b->yy_ch_buf = (char *)

/* Include room in for 2 EOB chars. */

yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );

}

else

/* Can't grow it, we don't own it. */

b->yy_ch_buf = 0;

if ( ! b->yy_ch_buf )

YY_FATAL_ERROR(

"fatal error - scanner input buffer overflow" );

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

num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -

number_to_move - 1;

}

if ( num_to_read > YY_READ_BUF_SIZE )

num_to_read = YY_READ_BUF_SIZE;

/* Read in more data. */

YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),

(yy_n_chars), num_to_read );

YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);

}

if ( (yy_n_chars) == 0 )

{

if ( number_to_move == YY_MORE_ADJ )

{

ret_val = EOB_ACT_END_OF_FILE;

yyrestart(yyin );

}

else

{

ret_val = EOB_ACT_LAST_MATCH;

YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =

YY_BUFFER_EOF_PENDING;

}

else

ret_val = EOB_ACT_CONTINUE_SCAN;

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 *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );

if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )

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

}

(yy_n_chars) += number_to_move;

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

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

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

return ret_val;

}

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

static yy_state_type yy_get_previous_state (void)

{

yy_current_state = (yy_start);

for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++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 >= 13 )

yy_c = yy_meta[(unsigned int) yy_c];

}

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

}

return yy_current_state;

}

/* yy_try_NUL_trans - try to make a transition on the NUL character

* synopsis

* next_state = yy_try_NUL_trans( current_state );

static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )

{

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 >= 13 )

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 == 12);

return yy_is_jam ? 0 : yy_current_state;

}

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

{

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. */

YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];

&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];

while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )

*--dest = *--source;

yy_cp += (int) (dest - source);

yy_bp += (int) (dest - source);

YY_CURRENT_BUFFER_LVALUE->yy_n_chars =

(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;

if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )

YY_FATAL_ERROR( "flex scanner push-back overflow" );

}

*--yy_cp = (char) c;

(yytext_ptr) = yy_bp;

(yy_hold_char) = *yy_cp;

(yy_c_buf_p) = yy_cp;

}

#ifndef YY_NO_INPUT

#ifdef __cplusplus

static int yyinput (void)

#else

static int input (void)

#endif

{

int c;

*(yy_c_buf_p) = (yy_hold_char);

if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )

{

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

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

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

if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )

/* This was really a NUL. */

*(yy_c_buf_p) = '\0';

else

{ /* need more input */

yy_size_t offset = (yy_c_buf_p) - (yytext_ptr);

++(yy_c_buf_p);

switch ( yy_get_next_buffer( ) )

{

case EOB_ACT_LAST_MATCH:

/* This happens because yy_g_n_b()

* sees that we've accumulated a

* token and flags that we need to

* try matching the token before

* proceeding. But for input(),

* there's no matching to consider.

* So convert the EOB_ACT_LAST_MATCH

* to EOB_ACT_END_OF_FILE.

/* Reset buffer status. */

yyrestart(yyin );

/*FALLTHROUGH*/

case EOB_ACT_END_OF_FILE:

{

if ( yywrap( ) )

return EOF;

if ( ! (yy_did_buffer_switch_on_eof) )

YY_NEW_FILE;

#ifdef __cplusplus

return yyinput();

#else

return input();

#endif

}

case EOB_ACT_CONTINUE_SCAN:

(yy_c_buf_p) = (yytext_ptr) + offset;

break;

}

c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */

*(yy_c_buf_p) = '\0'; /* preserve yytext */

(yy_hold_char) = *++(yy_c_buf_p);

return c;

}

#endif /* ifndef YY_NO_INPUT */

/** Immediately switch to a different input stream.

* @param input_file A readable stream.

* @note This function does not reset the start condition to @c INITIAL .

void yyrestart (FILE * input_file )

{

if ( ! YY_CURRENT_BUFFER ){

yyensure_buffer_stack ();

YY_CURRENT_BUFFER_LVALUE =

yy_create_buffer(yyin,YY_BUF_SIZE );

}

yy_init_buffer(YY_CURRENT_BUFFER,input_file );

yy_load_buffer_state( );

}

/** Switch to a different input buffer.

* @param new_buffer The new input buffer.

void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )

{

/* TODO. We should be able to replace this entire function body

* with

* yypop_buffer_state();

* yypush_buffer_state(new_buffer);

yyensure_buffer_stack ();

if ( YY_CURRENT_BUFFER == new_buffer )

return;

if ( YY_CURRENT_BUFFER )

{

/* Flush out information for old buffer. */

*(yy_c_buf_p) = (yy_hold_char);

YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);

YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);

}

YY_CURRENT_BUFFER_LVALUE = new_buffer;

yy_load_buffer_state( );

/* We don't actually know whether we did this switch during

* EOF (yywrap()) processing, but the only time this flag

* is looked at is after yywrap() is called, so it's safe

* to go ahead and always set it.

(yy_did_buffer_switch_on_eof) = 1;

}

static void yy_load_buffer_state (void)

{

(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;

(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;

yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;

(yy_hold_char) = *(yy_c_buf_p);

}

/** Allocate and initialize an input buffer state.

* @param file A readable stream.

* @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.

* @return the allocated buffer state.

YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )

{

YY_BUFFER_STATE b;

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

if ( ! b )

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

b->yy_buf_size = size;

/* yy_ch_buf has to be 2 characters longer than the size given because

* we need to put in 2 end-of-buffer characters.

b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );

if ( ! b->yy_ch_buf )

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

b->yy_is_our_buffer = 1;

yy_init_buffer(b,file );

return b;

}

/** Destroy the buffer.

* @param b a buffer created with yy_create_buffer()

void yy_delete_buffer (YY_BUFFER_STATE b )

{

if ( ! b )

return;

if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */

YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;

if ( b->yy_is_our_buffer )

yyfree((void *) b->yy_ch_buf );

yyfree((void *) b );

}

/* Initializes or reinitializes a buffer.

* This function is sometimes called more than once on the same buffer,

* such as during a yyrestart() or at EOF.

static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )

{

int oerrno = errno;

yy_flush_buffer(b );

b->yy_input_file = file;

b->yy_fill_buffer = 1;

/* If b is the current buffer, then yy_init_buffer was _probably_

* called from yyrestart() or through yy_get_next_buffer.

* In that case, we don't want to reset the lineno or column.

if (b != YY_CURRENT_BUFFER){

b->yy_bs_lineno = 1;

b->yy_bs_column = 0;

}

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

errno = oerrno;

}

/** Discard all buffered characters. On the next scan, YY_INPUT will be called.

* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.

void yy_flush_buffer (YY_BUFFER_STATE b )

{

if ( ! b )

return;

b->yy_n_chars = 0;

/* We always need two end-of-buffer characters. The first causes

* a transition to the end-of-buffer state. The second causes

* a jam in that state.

b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;

b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

b->yy_buf_pos = &b->yy_ch_buf[0];

b->yy_at_bol = 1;

b->yy_buffer_status = YY_BUFFER_NEW;

if ( b == YY_CURRENT_BUFFER )

yy_load_buffer_state( );

}

/** Pushes the new state onto the stack. The new state becomes

* the current state. This function will allocate the stack

* if necessary.

* @param new_buffer The new state.

void yypush_buffer_state (YY_BUFFER_STATE new_buffer )

{

if (new_buffer == NULL)

return;

yyensure_buffer_stack();

/* This block is copied from yy_switch_to_buffer. */

if ( YY_CURRENT_BUFFER )

{

/* Flush out information for old buffer. */

*(yy_c_buf_p) = (yy_hold_char);

YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);

YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);

}

/* Only push if top exists. Otherwise, replace top. */

if (YY_CURRENT_BUFFER)

(yy_buffer_stack_top)++;

YY_CURRENT_BUFFER_LVALUE = new_buffer;

/* copied from yy_switch_to_buffer. */

yy_load_buffer_state( );

(yy_did_buffer_switch_on_eof) = 1;

}

/** Removes and deletes the top of the stack, if present.

* The next element becomes the new top.

void yypop_buffer_state (void)

{

if (!YY_CURRENT_BUFFER)

return;

yy_delete_buffer(YY_CURRENT_BUFFER );

YY_CURRENT_BUFFER_LVALUE = NULL;

if ((yy_buffer_stack_top) > 0)

--(yy_buffer_stack_top);

if (YY_CURRENT_BUFFER) {

yy_load_buffer_state( );

(yy_did_buffer_switch_on_eof) = 1;

}

/* Allocates the stack if it does not exist.

* Guarantees space for at least one push.

static void yyensure_buffer_stack (void)

{

yy_size_t num_to_alloc;

if (!(yy_buffer_stack)) {

/* First allocation is just for 2 elements, since we don't know if this

* scanner will even need a stack. We use 2 instead of 1 to avoid an

* immediate realloc on the next call.

num_to_alloc = 1;

(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc

(num_to_alloc * sizeof(struct yy_buffer_state*)

);

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**)yyrealloc

((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;

}

/** Setup the input buffer state to scan directly from a user-specified character buffer.

* @param base the character buffer

* @param size the size in bytes of the character buffer

* @return the newly allocated buffer state object.

YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )

{

YY_BUFFER_STATE b;

if ( size < 2 ||

base[size-2] != YY_END_OF_BUFFER_CHAR ||

base[size-1] != YY_END_OF_BUFFER_CHAR )

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

return 0;

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

if ( ! b )

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

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

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

b->yy_is_our_buffer = 0;

b->yy_input_file = 0;

b->yy_n_chars = b->yy_buf_size;

b->yy_is_interactive = 0;

b->yy_at_bol = 1;

b->yy_fill_buffer = 0;

b->yy_buffer_status = YY_BUFFER_NEW;

yy_switch_to_buffer(b );

return b;

}

/** Setup the input buffer state to scan a string. The next call to yylex() will

* scan from a @e copy of @a str.

* @param yystr a NUL-terminated string to scan

* @return the newly allocated buffer state object.

* @note If you want to scan bytes that may contain NUL values, then use

* yy_scan_bytes() instead.

YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )

{

return yy_scan_bytes(yystr,strlen(yystr) );

}

/** Setup the input buffer state to scan the given bytes. The next call to yylex() will

* scan from a @e copy of @a bytes.

* @param yybytes the byte buffer to scan

* @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.

* @return the newly allocated buffer state object.

YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len )

{

YY_BUFFER_STATE b;

char *buf;

yy_size_t n;

yy_size_t i;

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

n = _yybytes_len + 2;

buf = (char *) yyalloc(n );

if ( ! buf )

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

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

buf[i] = yybytes[i];

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

b = yy_scan_buffer(buf,n );

if ( ! b )

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

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

* away when we're done.

b->yy_is_our_buffer = 1;

return b;

}

#ifndef YY_EXIT_FAILURE

#define YY_EXIT_FAILURE 2

#endif

static void yy_fatal_error (yyconst char* msg )

{

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

exit( YY_EXIT_FAILURE );

}

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

#undef yyless

#define yyless(n) \

do \

{ \

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

int yyless_macro_arg = (n); \

YY_LESS_LINENO(yyless_macro_arg);\

yytext[yyleng] = (yy_hold_char); \

(yy_c_buf_p) = yytext + yyless_macro_arg; \

(yy_hold_char) = *(yy_c_buf_p); \

*(yy_c_buf_p) = '\0'; \

yyleng = yyless_macro_arg; \

} \

while ( 0 )

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

/** Get the current line number.

int yyget_lineno (void)

{

return yylineno;

}

/** Get the input stream.

FILE *yyget_in (void)

{

return yyin;

}

/** Get the output stream.

FILE *yyget_out (void)

{

return yyout;

}

/** Get the length of the current token.

yy_size_t yyget_leng (void)

{

return yyleng;

}

/** Get the current token.

char *yyget_text (void)

{

return yytext;

}

/** Set the current line number.

* @param line_number

void yyset_lineno (int line_number )

{

yylineno = line_number;

}

/** Set the input stream. This does not discard the current

* input buffer.

* @param in_str A readable stream.

* @see yy_switch_to_buffer

void yyset_in (FILE * in_str )

{

yyin = in_str ;

}

void yyset_out (FILE * out_str )

{

yyout = out_str ;

}

int yyget_debug (void)

{

return yy_flex_debug;

}

void yyset_debug (int bdebug )

{

yy_flex_debug = bdebug ;

}

static int yy_init_globals (void)

{

/* Initialization is the same as for the non-reentrant scanner.

* This function is called from yylex_destroy(), so don't allocate here.

(yy_buffer_stack) = 0;

(yy_buffer_stack_top) = 0;

(yy_buffer_stack_max) = 0;

(yy_c_buf_p) = (char *) 0;

(yy_init) = 0;

(yy_start) = 0;

/* Defined in main.c */

#ifdef YY_STDINIT

yyin = stdin;

yyout = stdout;

#else

yyin = (FILE *) 0;

yyout = (FILE *) 0;

#endif

/* For future reference: Set errno on error, since we are called by

* yylex_init()

return 0;

}

/* yylex_destroy is for both reentrant and non-reentrant scanners. */

int yylex_destroy (void)

{

/* Pop the buffer stack, destroying each element. */

while(YY_CURRENT_BUFFER){

yy_delete_buffer(YY_CURRENT_BUFFER );

YY_CURRENT_BUFFER_LVALUE = NULL;

yypop_buffer_state();

}

/* Destroy the stack itself. */

yyfree((yy_buffer_stack) );

(yy_buffer_stack) = NULL;

/* Reset the globals. This is important in a non-reentrant scanner so the next time

* yylex() is called, initialization will occur. */

yy_init_globals( );

return 0;

}

* Internal utility routines.

#ifndef yytext_ptr

static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )

{

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

s1[i] = s2[i];

}

#endif

#ifdef YY_NEED_STRLEN

static int yy_flex_strlen (yyconst char * s )

{

for ( n = 0; s[n]; ++n )

;

return n;

}

#endif

void *yyalloc (yy_size_t size )

{

return (void *) malloc( size );

}

void *yyrealloc (void * ptr, yy_size_t size )

{

/* The cast to (char *) in the following accommodates both

* implementations that use char* generic pointers, and those

* that use void* generic pointers. It works with the latter

* because both ANSI C and C++ allow castless assignment from

* any pointer type to void*, and deal with argument conversions

* as though doing an assignment.

return (void *) realloc( (char *) ptr, size );

}

void yyfree (void * ptr )

{

free( (char *) ptr ); /* see yyrealloc() for (char *) cast */

}

#define YYTABLES_NAME "yytables"

#line 8 "example.l"