fatbase

flex.skl (34485B)

---

 /*	$OpenBSD: flex.skl,v 1.12 2013/11/04 17:03:32 millert Exp $	*/
 
 /* A lexical scanner generated by flex */
 
 /* Scanner skeleton version:
  * $Header: /cvs/src/usr.bin/lex/flex.skl,v 1.12 2013/11/04 17:03:32 millert Exp $
  */
 
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 5
 
 %-
 #include <stdio.h>
 #include <errno.h>
 %+
 #include <cerrno>
 %*
 
 
 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
 #ifdef c_plusplus
 #ifndef __cplusplus
 #define __cplusplus
 #endif
 #endif
 
 
 #ifdef __cplusplus
 
 #include <stdlib.h>
 %+
 #include <iosfwd>
 %*
 #include <unistd.h>
 
 /* Use prototypes in function declarations. */
 #define YY_USE_PROTOS
 
 /* The "const" storage-class-modifier is valid. */
 #define YY_USE_CONST
 
 #else	/* ! __cplusplus */
 
 #ifdef __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;
 %+
 	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;
 
 	/* 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
 	};
 
 %- Standard (non-C++) definition
 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
 
 
 %- Standard (non-C++) definition
 /* 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)
 
 %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
 
 %- Standard (non-C++) definition
 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; \
 %% code to fiddle yytext and yyleng for yymore() goes here
 	yy_hold_char = *yy_cp; \
 	*yy_cp = '\0'; \
 %% code to copy yytext_ptr to yytext[] goes here, if %array
 	yy_c_buf_p = yy_cp;
 
 %% data tables for the DFA and the user's section 1 definitions go here
 
 /* 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
 %- Standard (non-C++) definition
 #ifdef __cplusplus
 static int yyinput YY_PROTO(( void ));
 #else
 static int input YY_PROTO(( void ));
 #endif
 %*
 #endif
 
 #if defined(YY_STACK_USED) && 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
 #ifdef __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
 %- Standard (non-C++) definition
 /* 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 )
 %+ C++ definition
 #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) \
 %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
 %+ C++ definition
 	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) yy_fatal_error( msg )
 %+
 #define YY_FATAL_ERROR(msg) LexerError( msg )
 %*
 #endif
 
 /* Default declaration of generated scanner - a define so the user can
  * easily add parameters.
  */
 #ifndef YY_DECL
 %- Standard (non-C++) definition
 #define YY_DECL int yylex YY_PROTO(( void ))
 %+ C++ definition
 #define YY_DECL int yyFlexLexer::yylex()
 %*
 #endif
 
 /* Code executed at the beginning of each rule, after yytext and yyleng
  * have been set up.
  */
 #ifndef YY_USER_ACTION
 #define YY_USER_ACTION
 #endif
 
 /* Code executed at the end of each rule. */
 #ifndef YY_BREAK
 #define YY_BREAK break;
 #endif
 
 %% YY_RULE_SETUP definition goes here
 
 YY_DECL
 	{
 	register yy_state_type yy_current_state;
 	register char *yy_cp, *yy_bp;
 	register int yy_act;
 
 %% user's declarations go here
 
 	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;
 %+
 			yyin = &std::cin;
 %*
 
 		if ( ! yyout )
 %-
 			yyout = stdout;
 %+
 			yyout = &std::cout;
 %*
 
 		if ( ! yy_current_buffer )
 			yy_current_buffer =
 				yy_create_buffer( yyin, YY_BUF_SIZE );
 
 		yy_load_buffer_state();
 		}
 
 	while ( 1 )		/* loops until end-of-file is reached */
 		{
 %% yymore()-related code goes here
 		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;
 
 %% code to set up and find next match goes here
 
 yy_find_action:
 %% code to find the action number goes here
 
 		YY_DO_BEFORE_ACTION;
 
 %% code for yylineno update goes here
 
 do_action:	/* This label is used only to access EOF actions. */
 
 %% debug code goes here
 
 		switch ( yy_act )
 	{ /* beginning of action switch */
 %% actions go here
 
 	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
 				{
 %% code to do back-up for compressed tables and set up yy_cp goes here
 				goto yy_find_action;
 				}
 			}
 
 		else switch ( yy_get_next_buffer() )
 			{
 			case EOB_ACT_END_OF_FILE:
 				{
 				yy_did_buffer_switch_on_eof = 0;
 
 				if ( yywrap() )
 					{
 					/* Note: because we've taken care in
 					 * yy_get_next_buffer() to have set up
 					 * yytext, we can now set up
 					 * yy_c_buf_p so that if some total
 					 * hoser (like flex itself) wants to
 					 * call the scanner after we return the
 					 * YY_NULL, it'll still work - another
 					 * YY_NULL will get returned.
 					 */
 					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
 
 					yy_act = YY_STATE_EOF(YY_START);
 					goto do_action;
 					}
 
 				else
 					{
 					if ( ! yy_did_buffer_switch_on_eof )
 						YY_NEW_FILE;
 					}
 				break;
 				}
 
 			case EOB_ACT_CONTINUE_SCAN:
 				yy_c_buf_p =
 					yytext_ptr + yy_amount_of_matched_text;
 
 				yy_current_state = yy_get_previous_state();
 
 				yy_cp = yy_c_buf_p;
 				yy_bp = yytext_ptr + YY_MORE_ADJ;
 				goto yy_match;
 
 			case EOB_ACT_LAST_MATCH:
 				yy_c_buf_p =
 				&yy_current_buffer->yy_ch_buf[yy_n_chars];
 
 				yy_current_state = yy_get_previous_state();
 
 				yy_cp = yy_c_buf_p;
 				yy_bp = yytext_ptr + YY_MORE_ADJ;
 				goto yy_find_action;
 			}
 		break;
 		}
 
 	default:
 		YY_FATAL_ERROR(
 			"fatal flex scanner internal error--no action found" );
 	} /* end of action switch */
 		} /* end of scanning one token */
 	} /* end of yylex */
 
 %+
 yyFlexLexer::yyFlexLexer( std::istream* arg_yyin, std::ostream* arg_yyout )
 	{
 	yyin = arg_yyin;
 	yyout = arg_yyout;
 	yy_c_buf_p = 0;
 	yy_init = 1;
 	yy_start = 0;
 	yy_flex_debug = 0;
 	yylineno = 1;	// this will only get updated if %option yylineno
 
 	yy_did_buffer_switch_on_eof = 0;
 
 	yy_looking_for_trail_begin = 0;
 	yy_more_flag = 0;
 	yy_more_len = 0;
 	yy_more_offset = yy_prev_more_offset = 0;
 
 	yy_start_stack_ptr = yy_start_stack_depth = 0;
 	yy_start_stack = 0;
 
 	yy_current_buffer = 0;
 
 #ifdef YY_USES_REJECT
 	yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
 #else
 	yy_state_buf = 0;
 #endif
 	}
 
 yyFlexLexer::~yyFlexLexer()
 	{
 	delete yy_state_buf;
 	yy_delete_buffer( yy_current_buffer );
 	}
 
 void yyFlexLexer::switch_streams( 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
  */
 
 %-
 static int yy_get_next_buffer YY_PROTO(( void ))
 %+
 int yyFlexLexer::yy_get_next_buffer YY_PROTO(( void ))
 %*
 	{
 	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 YY_PROTO(( void ))
 %+
 yy_state_type yyFlexLexer::yy_get_previous_state YY_PROTO(( void ))
 %*
 	{
 	register yy_state_type yy_current_state;
 	register char *yy_cp;
 
 %% code to get the start state into yy_current_state goes here
 
 	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
 		{
 %% code to find the next state goes here
 		}
 
 	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
 %+
 yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
 %*
 	{
 	register int yy_is_jam;
 %% code to find the next state, and perhaps do backing up, goes here
 
 	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
 %+
 void yyFlexLexer::yyunput( int c, register char* yy_bp )
 %*
 	{
 	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;
 
 %% update yylineno here
 
 	yytext_ptr = yy_bp;
 	yy_hold_char = *yy_cp;
 	yy_c_buf_p = yy_cp;
 	}
 %-
 #endif	/* ifndef YY_NO_UNPUT */
 %*
 
 
 %-
 #ifndef YY_NO_INPUT
 #ifdef __cplusplus
 static int yyinput YY_PROTO(( void ))
 #else
 static int input YY_PROTO(( void ))
 #endif
 %+
 int yyFlexLexer::yyinput()
 %*
 	{
 	int c;
 
 	*yy_c_buf_p = yy_hold_char;
 
 	if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
 		{
 		/* yy_c_buf_p now points to the character we want to return.
 		 * If this occurs *before* the EOB characters, then it's a
 		 * valid NUL; if not, then we've hit the end of the buffer.
 		 */
 		if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 			/* This was really a NUL. */
 			*yy_c_buf_p = '\0';
 
 		else
 			{ /* need more input */
 			int offset = yy_c_buf_p - yytext_ptr;
 			++yy_c_buf_p;
 
 			switch ( yy_get_next_buffer() )
 				{
 				case EOB_ACT_LAST_MATCH:
 					/* This happens because yy_g_n_b()
 					 * sees that we've accumulated a
 					 * token and flags that we need to
 					 * try matching the token before
 					 * proceeding.  But for input(),
 					 * there's no matching to consider.
 					 * So convert the EOB_ACT_LAST_MATCH
 					 * to EOB_ACT_END_OF_FILE.
 					 */
 
 					/* Reset buffer status. */
 					yyrestart( yyin );
 
 					/* fall through */
 
 				case EOB_ACT_END_OF_FILE:
 					{
 					if ( yywrap() )
 						return EOF;
 
 					if ( ! yy_did_buffer_switch_on_eof )
 						YY_NEW_FILE;
 #ifdef __cplusplus
 					return yyinput();
 #else
 					return input();
 #endif
 					}
 
 				case EOB_ACT_CONTINUE_SCAN:
 					yy_c_buf_p = yytext_ptr + offset;
 					break;
 				}
 			}
 		}
 
 	c = *(unsigned char *) yy_c_buf_p;	/* cast for 8-bit char's */
 	*yy_c_buf_p = '\0';	/* preserve yytext */
 	yy_hold_char = *++yy_c_buf_p;
 
 %% update BOL and yylineno
 
 	return c;
 	}
 %-
 #endif	/* ifndef YY_NO_INPUT */
 %*
 
 
 %-
 #ifdef YY_USE_PROTOS
 void yyrestart( FILE *input_file )
 #else
 void yyrestart( input_file )
 FILE *input_file;
 #endif
 %+
 void yyFlexLexer::yyrestart( std::istream* input_file )
 %*
 	{
 	if ( ! yy_current_buffer )
 		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
 
 	yy_init_buffer( yy_current_buffer, input_file );
 	yy_load_buffer_state();
 	}
 
 
 %-
 #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
 %+
 void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
 %*
 	{
 	if ( yy_current_buffer == new_buffer )
 		return;
 
 	if ( yy_current_buffer )
 		{
 		/* Flush out information for old buffer. */
 		*yy_c_buf_p = yy_hold_char;
 		yy_current_buffer->yy_buf_pos = yy_c_buf_p;
 		yy_current_buffer->yy_n_chars = yy_n_chars;
 		}
 
 	yy_current_buffer = new_buffer;
 	yy_load_buffer_state();
 
 	/* We don't actually know whether we did this switch during
 	 * EOF (yywrap()) processing, but the only time this flag
 	 * is looked at is after yywrap() is called, so it's safe
 	 * to go ahead and always set it.
 	 */
 	yy_did_buffer_switch_on_eof = 1;
 	}
 
 
 %-
 #ifdef YY_USE_PROTOS
 void yy_load_buffer_state( void )
 #else
 void yy_load_buffer_state()
 #endif
 %+
 void yyFlexLexer::yy_load_buffer_state()
 %*
 	{
 	yy_n_chars = yy_current_buffer->yy_n_chars;
 	yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
 	yyin = yy_current_buffer->yy_input_file;
 	yy_hold_char = *yy_c_buf_p;
 	}
 
 
 %-
 #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 yyFlexLexer::yy_create_buffer( std::istream* file, int size )
 %*
 	{
 	YY_BUFFER_STATE b;
 
 	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
 	if ( ! b )
 		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
 
 	b->yy_buf_size = size;
 
 	/* yy_ch_buf has to be 2 characters longer than the size given because
 	 * we need to put in 2 end-of-buffer characters.
 	 */
 	b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
 	if ( ! b->yy_ch_buf )
 		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
 
 	b->yy_is_our_buffer = 1;
 
 	yy_init_buffer( b, file );
 
 	return b;
 	}
 
 
 %-
 #ifdef YY_USE_PROTOS
 void yy_delete_buffer( YY_BUFFER_STATE b )
 #else
 void yy_delete_buffer( b )
 YY_BUFFER_STATE b;
 #endif
 %+
 void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
 %*
 	{
 	if ( ! b )
 		return;
 
 	if ( b == yy_current_buffer )
 		yy_current_buffer = (YY_BUFFER_STATE) 0;
 
 	if ( b->yy_is_our_buffer )
 		yy_flex_free( (void *) b->yy_ch_buf );
 
 	yy_flex_free( (void *) b );
 	}
 
 
 %-
 #ifndef YY_ALWAYS_INTERACTIVE
 #ifndef YY_NEVER_INTERACTIVE
 #include <unistd.h>
 #endif
 #endif
 
 #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
 
 %+
 extern "C" int isatty YY_PROTO(( int ));
 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 defined(YY_ALWAYS_INTERACTIVE) && YY_ALWAYS_INTERACTIVE
 	b->yy_is_interactive = 1;
 #else
 #if defined(YY_NEVER_INTERACTIVE) && YY_NEVER_INTERACTIVE
 	b->yy_is_interactive = 0;
 #else
 	b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
 #endif
 #endif
 %+
 	b->yy_is_interactive = 0;
 %*
 	errno = oerrno;
 	}
 
 
 %-
 #ifdef YY_USE_PROTOS
 void yy_flush_buffer( YY_BUFFER_STATE b )
 #else
 void yy_flush_buffer( b )
 YY_BUFFER_STATE b;
 #endif
 
 %+
 void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
 %*
 	{
 	if ( ! b )
 		return;
 
 	b->yy_n_chars = 0;
 
 	/* We always need two end-of-buffer characters.  The first causes
 	 * a transition to the end-of-buffer state.  The second causes
 	 * a jam in that state.
 	 */
 	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
 	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
 
 	b->yy_buf_pos = &b->yy_ch_buf[0];
 
 	b->yy_at_bol = 1;
 	b->yy_buffer_status = YY_BUFFER_NEW;
 
 	if ( b == yy_current_buffer )
 		yy_load_buffer_state();
 	}
 %*
 
 
 #ifndef YY_NO_SCAN_BUFFER
 %-
 #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
 %+
 void yyFlexLexer::yy_push_state( int new_state )
 %*
 	{
 	if ( yy_start_stack_ptr >= yy_start_stack_depth )
 		{
 		yy_size_t new_size;
 
 		yy_start_stack_depth += YY_START_STACK_INCR;
 		new_size = yy_start_stack_depth * sizeof( int );
 
 		if ( ! yy_start_stack )
 			yy_start_stack = (int *) yy_flex_alloc( new_size );
 
 		else
 			yy_start_stack = (int *) yy_flex_realloc(
 					(void *) yy_start_stack, new_size );
 
 		if ( ! yy_start_stack )
 			YY_FATAL_ERROR(
 			"out of memory expanding start-condition stack" );
 		}
 
 	yy_start_stack[yy_start_stack_ptr++] = YY_START;
 
 	BEGIN(new_state);
 	}
 #endif
 
 
 #ifndef YY_NO_POP_STATE
 %-
 static void yy_pop_state YY_PROTO(( void ))
 %+
 void yyFlexLexer::yy_pop_state YY_PROTO(( void ))
 %*
 	{
 	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 YY_PROTO(( void ))
 %+
 int yyFlexLexer::yy_top_state YY_PROTO(( void ))
 %*
 	{
 	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 );
 	}
 
 %+
 
 void yyFlexLexer::LexerError( yyconst char msg[] )
 	{
 	std::cerr << msg << '\n';
 	exit( YY_EXIT_FAILURE );
 	}
 %*
 
 
 /* Redefine yyless() so it works in section 3 code. */
 
 #undef yyless
 #define yyless(n) \
 	do \
 		{ \
 		/* Undo effects of setting up yytext. */ \
 		yytext[yyleng] = yy_hold_char; \
 		yy_c_buf_p = yytext + n; \
 		yy_hold_char = *yy_c_buf_p; \
 		*yy_c_buf_p = '\0'; \
 		yyleng = n; \
 		} \
 	while ( 0 )
 
 
 /* Internal utility routines. */
 
 #ifndef yytext_ptr
 #ifdef YY_USE_PROTOS
 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
 #else
 static void yy_flex_strncpy( s1, s2, n )
 char *s1;
 yyconst char *s2;
 int n;
 #endif
 	{
 	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 defined(YY_MAIN) && YY_MAIN
 int main()
 	{
 	yylex();
 	return 0;
 	}
 #endif