Flex version 2.4.7 from LBL

Reviewed by:	Geoff.

1 files changed, 1225 insertions, 0 deletions

diff --git a/usr.bin/lex/flex.skl b/usr.bin/lex/flex.skl
new file mode 100644
index 0000000..01ff7a1
--- /dev/null
+++ b/usr.bin/lex/flex.skl
@@ -0,0 +1,1225 @@
+/* A lexical scanner generated by flex */
+
+/* Scanner skeleton version:
+ * $Header: /home/daffy/u0/vern/flex/flex-2.4.7/RCS/flex.skl,v 1.2 94/08/03 11:13:24 vern Exp $
+ */
+
+#define FLEX_SCANNER
+
+%-
+#include <stdio.h>
+%*
+
+
+/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
+#ifdef c_plusplus
+#ifndef __cplusplus
+#define __cplusplus
+#endif
+#endif
+
+
+#ifdef __cplusplus
+
+#include <stdlib.h>
+%+
+class istream;
+%*
+#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__
+#define YY_USE_CONST
+#endif
+
+
+#ifndef YY_USE_CONST
+#ifndef const
+#define const
+#endif
+#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.
+ */
+#define YY_START ((yy_start - 1) / 2)
+
+/* 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".  Now included
+ * only for backward compatibility with previous versions of flex.
+ */
+#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;
+%*
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	extern int yywrap YY_PROTO(( void ));
+#ifdef __cplusplus
+	}
+#endif
+
+#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_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 )
+
+
+struct yy_buffer_state
+	{
+%-
+	FILE *yy_input_file;
+%+
+	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.
+	 */
+	int yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* 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 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;
+
+static void yyunput YY_PROTO(( int c, char *buf_ptr ));
+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 ));
+
+static int yy_start_stack_ptr = 0;
+static int yy_start_stack_depth = 0;
+static int *yy_start_stack = 0;
+static void yy_push_state YY_PROTO(( int new_state ));
+static void yy_pop_state YY_PROTO(( void ));
+static int yy_top_state YY_PROTO(( void ));
+%*
+
+static void *yy_flex_alloc YY_PROTO(( unsigned int ));
+static void *yy_flex_realloc YY_PROTO(( void *, unsigned int ));
+static void yy_flex_free YY_PROTO(( void * ));
+
+#define yy_new_buffer yy_create_buffer
+
+%% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy YY_PROTO(( char *, const char *, int ));
+#endif
+
+%- Standard (non-C++) definition
+#ifdef __cplusplus
+static int yyinput YY_PROTO(( void ));
+#else
+static int input YY_PROTO(( void ));
+#endif
+%*
+
+%- 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(( const 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.
+ */
+
+#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
+%- 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_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 )
+		{
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! yy_start )
+			yy_start = 1;	/* first start state */
+
+		if ( ! yyin )
+%-
+			yyin = stdin;
+%+
+			yyin = &cin;
+%*
+
+		if ( ! yyout )
+%-
+			yyout = stdout;
+%+
+			yyout = &cout;
+%*
+
+		if ( yy_current_buffer )
+			yy_init_buffer( yy_current_buffer, yyin );
+		else
+			yy_current_buffer =
+				yy_create_buffer( yyin, YY_BUF_SIZE );
+
+		yy_load_buffer_state();
+
+		yy_init = 0;
+		}
+
+	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, if -l option
+
+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 = yy_cp - yytext_ptr - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = yy_hold_char;
+
+		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 */
+
+%+
+#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()
+%+
+int yyFlexLexer::yy_get_next_buffer()
+%*
+	{
+	register char *dest = yy_current_buffer->yy_ch_buf;
+	register char *source = yytext_ptr - 1; /* copy prev. char, too */
+	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 singled characater, 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 = yy_c_buf_p - yytext_ptr;
+
+	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_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 = yy_c_buf_p - b->yy_ch_buf;
+
+			b->yy_buf_size *= 2;
+			b->yy_ch_buf = (char *)
+				yy_flex_realloc( (void *) b->yy_ch_buf,
+						 b->yy_buf_size );
+
+			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 );
+		}
+
+	if ( yy_n_chars == 0 )
+		{
+		if ( number_to_move - YY_MORE_ADJ == 1 )
+			{
+			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 begins at the second character in yy_ch_buf; the first
+	 * character is the one which preceded it before reading in the latest
+	 * buffer; it needs to be kept around in case it's a newline, so
+	 * yy_get_previous_state() will have with '^' rules active.
+	 */
+
+	yytext_ptr = &yy_current_buffer->yy_ch_buf[1];
+
+	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_state_type yyFlexLexer::yy_get_previous_state()
+%*
+	{
+	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;
+	}
+
+
+%-
+#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 += dest - source;
+		yy_bp += dest - source;
+		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" );
+		}
+
+	if ( yy_cp > yy_bp && yy_cp[-1] == '\n' )
+		yy_cp[-2] = '\n';
+
+	*--yy_cp = (char) c;
+
+%% update yylineno here, if doing -l
+
+	/* Note: the formal parameter *must* be called "yy_bp" for this
+	 * macro to now work correctly.
+	 */
+	YY_DO_BEFORE_ACTION; /* set up yytext again */
+	}
+
+
+%-
+#ifdef __cplusplus
+static int yyinput()
+#else
+static int input()
+#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 */
+			yytext_ptr = yy_c_buf_p;
+			++yy_c_buf_p;
+
+			switch ( yy_get_next_buffer() )
+				{
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap() )
+						{
+						yy_c_buf_p =
+						yytext_ptr + YY_MORE_ADJ;
+						return EOF;
+						}
+
+					YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
+					break;
+
+				case EOB_ACT_LAST_MATCH:
+#ifdef __cplusplus
+					YY_FATAL_ERROR(
+					"unexpected last match in yyinput()" );
+#else
+					YY_FATAL_ERROR(
+					"unexpected last match in input()" );
+#endif
+				}
+			}
+		}
+
+	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
+%+
+void yyFlexLexer::yyrestart( istream* input_file )
+%*
+	{
+	if ( ! yy_current_buffer )
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
+
+	yy_init_buffer( yy_current_buffer, input_file );
+	yy_load_buffer_state();
+	}
+
+
+%-
+#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( 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()" );
+
+	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 == yy_current_buffer )
+		yy_current_buffer = (YY_BUFFER_STATE) 0;
+
+	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
+%+
+void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
+%*
+	{
+	b->yy_input_file = file;
+
+	/* We put in the '\n' and start reading from [1] so that an
+	 * initial match-at-newline will be true.
+	 */
+
+	b->yy_ch_buf[0] = '\n';
+	b->yy_n_chars = 1;
+
+	/* 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[1] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[1];
+
+%-
+	b->yy_is_interactive = file ? isatty( fileno(file) ) : 0;
+%+
+	b->yy_is_interactive = 0;
+%*
+
+	b->yy_fill_buffer = 1;
+
+	b->yy_buffer_status = YY_BUFFER_NEW;
+	}
+
+
+%-
+#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 )
+		{
+		int 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);
+	}
+
+
+%-
+static void yy_pop_state()
+%+
+void yyFlexLexer::yy_pop_state()
+%*
+	{
+	if ( --yy_start_stack_ptr < 0 )
+		YY_FATAL_ERROR( "start-condition stack underflow" );
+
+	BEGIN(yy_start_stack[yy_start_stack_ptr]);
+	}
+
+
+%-
+static int yy_top_state()
+%+
+int yyFlexLexer::yy_top_state()
+%*
+	{
+	return yy_start_stack[yy_start_stack_ptr - 1];
+	}
+
+
+%-
+#ifdef YY_USE_PROTOS
+static void yy_fatal_error( const char msg[] )
+#else
+static void yy_fatal_error( msg )
+char msg[];
+#endif
+	{
+	(void) fprintf( stderr, "%s\n", msg );
+	exit( 1 );
+	}
+
+%+
+
+void yyFlexLexer::LexerError( const char msg[] )
+	{
+	cerr << msg << '\n';
+	exit( 1 );
+	}
+%*
+
+
+/* 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_MORE_ADJ; \
+		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, const char *s2, int n )
+#else
+static void yy_flex_strncpy( s1, s2, n )
+char *s1;
+const char *s2;
+int n;
+#endif
+	{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+	}
+#endif
+
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_alloc( unsigned int size )
+#else
+static void *yy_flex_alloc( size )
+unsigned int size;
+#endif
+	{
+	return (void *) malloc( size );
+	}
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_realloc( void *ptr, unsigned int size )
+#else
+static void *yy_flex_realloc( ptr, size )
+void *ptr;
+unsigned int size;
+#endif
+	{
+	return (void *) realloc( 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 );
+	}