xref: /freebsd/crypto/heimdal/lib/sl/slc-lex.c (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
1 
2 #line 3 "slc-lex.c"
3 
4 #define  YY_INT_ALIGNED short int
5 
6 /* A lexical scanner generated by flex */
7 
8 #define FLEX_SCANNER
9 #define YY_FLEX_MAJOR_VERSION 2
10 #define YY_FLEX_MINOR_VERSION 5
11 #define YY_FLEX_SUBMINOR_VERSION 33
12 #if YY_FLEX_SUBMINOR_VERSION > 0
13 #define FLEX_BETA
14 #endif
15 
16 /* First, we deal with  platform-specific or compiler-specific issues. */
17 
18 /* begin standard C headers. */
19 #include <stdio.h>
20 #include <string.h>
21 #include <errno.h>
22 #include <stdlib.h>
23 
24 /* end standard C headers. */
25 
26 /* flex integer type definitions */
27 
28 #ifndef FLEXINT_H
29 #define FLEXINT_H
30 
31 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
32 
33 #if __STDC_VERSION__ >= 199901L
34 
35 /* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
36  * if you want the limit (max/min) macros for int types.
37  */
38 #ifndef __STDC_LIMIT_MACROS
39 #define __STDC_LIMIT_MACROS 1
40 #endif
41 
42 #include <inttypes.h>
43 typedef int8_t flex_int8_t;
44 typedef uint8_t flex_uint8_t;
45 typedef int16_t flex_int16_t;
46 typedef uint16_t flex_uint16_t;
47 typedef int32_t flex_int32_t;
48 typedef uint32_t flex_uint32_t;
49 #else
50 typedef signed char flex_int8_t;
51 typedef short int flex_int16_t;
52 typedef int flex_int32_t;
53 typedef unsigned char flex_uint8_t;
54 typedef unsigned short int flex_uint16_t;
55 typedef unsigned int flex_uint32_t;
56 #endif /* ! C99 */
57 
58 /* Limits of integral types. */
59 #ifndef INT8_MIN
60 #define INT8_MIN               (-128)
61 #endif
62 #ifndef INT16_MIN
63 #define INT16_MIN              (-32767-1)
64 #endif
65 #ifndef INT32_MIN
66 #define INT32_MIN              (-2147483647-1)
67 #endif
68 #ifndef INT8_MAX
69 #define INT8_MAX               (127)
70 #endif
71 #ifndef INT16_MAX
72 #define INT16_MAX              (32767)
73 #endif
74 #ifndef INT32_MAX
75 #define INT32_MAX              (2147483647)
76 #endif
77 #ifndef UINT8_MAX
78 #define UINT8_MAX              (255U)
79 #endif
80 #ifndef UINT16_MAX
81 #define UINT16_MAX             (65535U)
82 #endif
83 #ifndef UINT32_MAX
84 #define UINT32_MAX             (4294967295U)
85 #endif
86 
87 #endif /* ! FLEXINT_H */
88 
89 #ifdef __cplusplus
90 
91 /* The "const" storage-class-modifier is valid. */
92 #define YY_USE_CONST
93 
94 #else	/* ! __cplusplus */
95 
96 #if __STDC__
97 
98 #define YY_USE_CONST
99 
100 #endif	/* __STDC__ */
101 #endif	/* ! __cplusplus */
102 
103 #ifdef YY_USE_CONST
104 #define yyconst const
105 #else
106 #define yyconst
107 #endif
108 
109 /* Returned upon end-of-file. */
110 #define YY_NULL 0
111 
112 /* Promotes a possibly negative, possibly signed char to an unsigned
113  * integer for use as an array index.  If the signed char is negative,
114  * we want to instead treat it as an 8-bit unsigned char, hence the
115  * double cast.
116  */
117 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
118 
119 /* Enter a start condition.  This macro really ought to take a parameter,
120  * but we do it the disgusting crufty way forced on us by the ()-less
121  * definition of BEGIN.
122  */
123 #define BEGIN (yy_start) = 1 + 2 *
124 
125 /* Translate the current start state into a value that can be later handed
126  * to BEGIN to return to the state.  The YYSTATE alias is for lex
127  * compatibility.
128  */
129 #define YY_START (((yy_start) - 1) / 2)
130 #define YYSTATE YY_START
131 
132 /* Action number for EOF rule of a given start state. */
133 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
134 
135 /* Special action meaning "start processing a new file". */
136 #define YY_NEW_FILE yyrestart(yyin  )
137 
138 #define YY_END_OF_BUFFER_CHAR 0
139 
140 /* Size of default input buffer. */
141 #ifndef YY_BUF_SIZE
142 #define YY_BUF_SIZE 16384
143 #endif
144 
145 /* The state buf must be large enough to hold one state per character in the main buffer.
146  */
147 #define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
148 
149 #ifndef YY_TYPEDEF_YY_BUFFER_STATE
150 #define YY_TYPEDEF_YY_BUFFER_STATE
151 typedef struct yy_buffer_state *YY_BUFFER_STATE;
152 #endif
153 
154 extern int yyleng;
155 
156 extern FILE *yyin, *yyout;
157 
158 #define EOB_ACT_CONTINUE_SCAN 0
159 #define EOB_ACT_END_OF_FILE 1
160 #define EOB_ACT_LAST_MATCH 2
161 
162     #define YY_LESS_LINENO(n)
163 
164 /* Return all but the first "n" matched characters back to the input stream. */
165 #define yyless(n) \
166 	do \
167 		{ \
168 		/* Undo effects of setting up yytext. */ \
169         int yyless_macro_arg = (n); \
170         YY_LESS_LINENO(yyless_macro_arg);\
171 		*yy_cp = (yy_hold_char); \
172 		YY_RESTORE_YY_MORE_OFFSET \
173 		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
174 		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
175 		} \
176 	while ( 0 )
177 
178 #define unput(c) yyunput( c, (yytext_ptr)  )
179 
180 /* The following is because we cannot portably get our hands on size_t
181  * (without autoconf's help, which isn't available because we want
182  * flex-generated scanners to compile on their own).
183  */
184 
185 #ifndef YY_TYPEDEF_YY_SIZE_T
186 #define YY_TYPEDEF_YY_SIZE_T
187 typedef unsigned int yy_size_t;
188 #endif
189 
190 #ifndef YY_STRUCT_YY_BUFFER_STATE
191 #define YY_STRUCT_YY_BUFFER_STATE
192 struct yy_buffer_state
193 	{
194 	FILE *yy_input_file;
195 
196 	char *yy_ch_buf;		/* input buffer */
197 	char *yy_buf_pos;		/* current position in input buffer */
198 
199 	/* Size of input buffer in bytes, not including room for EOB
200 	 * characters.
201 	 */
202 	yy_size_t yy_buf_size;
203 
204 	/* Number of characters read into yy_ch_buf, not including EOB
205 	 * characters.
206 	 */
207 	int yy_n_chars;
208 
209 	/* Whether we "own" the buffer - i.e., we know we created it,
210 	 * and can realloc() it to grow it, and should free() it to
211 	 * delete it.
212 	 */
213 	int yy_is_our_buffer;
214 
215 	/* Whether this is an "interactive" input source; if so, and
216 	 * if we're using stdio for input, then we want to use getc()
217 	 * instead of fread(), to make sure we stop fetching input after
218 	 * each newline.
219 	 */
220 	int yy_is_interactive;
221 
222 	/* Whether we're considered to be at the beginning of a line.
223 	 * If so, '^' rules will be active on the next match, otherwise
224 	 * not.
225 	 */
226 	int yy_at_bol;
227 
228     int yy_bs_lineno; /**< The line count. */
229     int yy_bs_column; /**< The column count. */
230 
231 	/* Whether to try to fill the input buffer when we reach the
232 	 * end of it.
233 	 */
234 	int yy_fill_buffer;
235 
236 	int yy_buffer_status;
237 
238 #define YY_BUFFER_NEW 0
239 #define YY_BUFFER_NORMAL 1
240 	/* When an EOF's been seen but there's still some text to process
241 	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
242 	 * shouldn't try reading from the input source any more.  We might
243 	 * still have a bunch of tokens to match, though, because of
244 	 * possible backing-up.
245 	 *
246 	 * When we actually see the EOF, we change the status to "new"
247 	 * (via yyrestart()), so that the user can continue scanning by
248 	 * just pointing yyin at a new input file.
249 	 */
250 #define YY_BUFFER_EOF_PENDING 2
251 
252 	};
253 #endif /* !YY_STRUCT_YY_BUFFER_STATE */
254 
255 /* Stack of input buffers. */
256 static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
257 static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
258 static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
259 
260 /* We provide macros for accessing buffer states in case in the
261  * future we want to put the buffer states in a more general
262  * "scanner state".
263  *
264  * Returns the top of the stack, or NULL.
265  */
266 #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
267                           ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
268                           : NULL)
269 
270 /* Same as previous macro, but useful when we know that the buffer stack is not
271  * NULL or when we need an lvalue. For internal use only.
272  */
273 #define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
274 
275 /* yy_hold_char holds the character lost when yytext is formed. */
276 static char yy_hold_char;
277 static int yy_n_chars;		/* number of characters read into yy_ch_buf */
278 int yyleng;
279 
280 /* Points to current character in buffer. */
281 static char *yy_c_buf_p = (char *) 0;
282 static int yy_init = 0;		/* whether we need to initialize */
283 static int yy_start = 0;	/* start state number */
284 
285 /* Flag which is used to allow yywrap()'s to do buffer switches
286  * instead of setting up a fresh yyin.  A bit of a hack ...
287  */
288 static int yy_did_buffer_switch_on_eof;
289 
290 void yyrestart (FILE *input_file  );
291 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
292 YY_BUFFER_STATE yy_create_buffer (FILE *file,int size  );
293 void yy_delete_buffer (YY_BUFFER_STATE b  );
294 void yy_flush_buffer (YY_BUFFER_STATE b  );
295 void yypush_buffer_state (YY_BUFFER_STATE new_buffer  );
296 void yypop_buffer_state (void );
297 
298 static void yyensure_buffer_stack (void );
299 static void yy_load_buffer_state (void );
300 static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file  );
301 
302 #define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
303 
304 YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size  );
305 YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str  );
306 YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len  );
307 
308 void *yyalloc (yy_size_t  );
309 void *yyrealloc (void *,yy_size_t  );
310 void yyfree (void *  );
311 
312 #define yy_new_buffer yy_create_buffer
313 
314 #define yy_set_interactive(is_interactive) \
315 	{ \
316 	if ( ! YY_CURRENT_BUFFER ){ \
317         yyensure_buffer_stack (); \
318 		YY_CURRENT_BUFFER_LVALUE =    \
319             yy_create_buffer(yyin,YY_BUF_SIZE ); \
320 	} \
321 	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
322 	}
323 
324 #define yy_set_bol(at_bol) \
325 	{ \
326 	if ( ! YY_CURRENT_BUFFER ){\
327         yyensure_buffer_stack (); \
328 		YY_CURRENT_BUFFER_LVALUE =    \
329             yy_create_buffer(yyin,YY_BUF_SIZE ); \
330 	} \
331 	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
332 	}
333 
334 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
335 
336 /* Begin user sect3 */
337 
338 typedef unsigned char YY_CHAR;
339 
340 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
341 
342 typedef int yy_state_type;
343 
344 extern int yylineno;
345 
346 int yylineno = 1;
347 
348 extern char *yytext;
349 #define yytext_ptr yytext
350 
351 static yy_state_type yy_get_previous_state (void );
352 static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
353 static int yy_get_next_buffer (void );
354 static void yy_fatal_error (yyconst char msg[]  );
355 
356 /* Done after the current pattern has been matched and before the
357  * corresponding action - sets up yytext.
358  */
359 #define YY_DO_BEFORE_ACTION \
360 	(yytext_ptr) = yy_bp; \
361 	yyleng = (size_t) (yy_cp - yy_bp); \
362 	(yy_hold_char) = *yy_cp; \
363 	*yy_cp = '\0'; \
364 	(yy_c_buf_p) = yy_cp;
365 
366 #define YY_NUM_RULES 7
367 #define YY_END_OF_BUFFER 8
368 /* This struct is not used in this scanner,
369    but its presence is necessary. */
370 struct yy_trans_info
371 	{
372 	flex_int32_t yy_verify;
373 	flex_int32_t yy_nxt;
374 	};
375 static yyconst flex_int16_t yy_accept[14] =
376     {   0,
377         0,    0,    8,    7,    6,    3,    2,    7,    5,    1,
378         4,    1,    0
379     } ;
380 
381 static yyconst flex_int32_t yy_ec[256] =
382     {   0,
383         1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
384         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
385         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
386         1,    2,    1,    4,    1,    1,    1,    1,    1,    1,
387         1,    5,    1,    1,    6,    1,    7,    6,    6,    6,
388         6,    6,    6,    6,    6,    6,    6,    1,    1,    1,
389         8,    1,    1,    1,    9,    9,    9,    9,    9,    9,
390         9,    9,    9,    9,    9,    9,    9,    9,    9,    9,
391         9,    9,    9,    9,    9,    9,    9,    9,    9,    9,
392         1,    1,    1,    1,    6,    1,    9,    9,    9,    9,
393 
394         9,    9,    9,    9,    9,    9,    9,    9,    9,    9,
395         9,    9,    9,    9,    9,    9,    9,    9,    9,    9,
396         9,    9,    8,    1,    8,    1,    1,    1,    1,    1,
397         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
398         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
399         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
400         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
401         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
402         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
403         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
404 
405         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
406         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
407         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
408         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
409         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
410         1,    1,    1,    1,    1
411     } ;
412 
413 static yyconst flex_int32_t yy_meta[10] =
414     {   0,
415         1,    1,    1,    1,    1,    2,    1,    1,    2
416     } ;
417 
418 static yyconst flex_int16_t yy_base[15] =
419     {   0,
420         0,    0,   12,   13,   13,   13,   13,    6,   13,    0,
421        13,    0,   13,    8
422     } ;
423 
424 static yyconst flex_int16_t yy_def[15] =
425     {   0,
426        13,    1,   13,   13,   13,   13,   13,   13,   13,   14,
427        13,   14,    0,   13
428     } ;
429 
430 static yyconst flex_int16_t yy_nxt[23] =
431     {   0,
432         4,    5,    6,    7,    4,    4,    8,    9,   10,   12,
433        11,   13,    3,   13,   13,   13,   13,   13,   13,   13,
434        13,   13
435     } ;
436 
437 static yyconst flex_int16_t yy_chk[23] =
438     {   0,
439         1,    1,    1,    1,    1,    1,    1,    1,    1,   14,
440         8,    3,   13,   13,   13,   13,   13,   13,   13,   13,
441        13,   13
442     } ;
443 
444 static yy_state_type yy_last_accepting_state;
445 static char *yy_last_accepting_cpos;
446 
447 extern int yy_flex_debug;
448 int yy_flex_debug = 0;
449 
450 /* The intent behind this definition is that it'll catch
451  * any uses of REJECT which flex missed.
452  */
453 #define REJECT reject_used_but_not_detected
454 #define yymore() yymore_used_but_not_detected
455 #define YY_MORE_ADJ 0
456 #define YY_RESTORE_YY_MORE_OFFSET
457 char *yytext;
458 #line 1 "slc-lex.l"
459 #line 2 "slc-lex.l"
460 /*
461  * Copyright (c) 2004 Kungliga Tekniska H�gskolan
462  * (Royal Institute of Technology, Stockholm, Sweden).
463  * All rights reserved.
464  *
465  * Redistribution and use in source and binary forms, with or without
466  * modification, are permitted provided that the following conditions
467  * are met:
468  *
469  * 1. Redistributions of source code must retain the above copyright
470  *    notice, this list of conditions and the following disclaimer.
471  *
472  * 2. Redistributions in binary form must reproduce the above copyright
473  *    notice, this list of conditions and the following disclaimer in the
474  *    documentation and/or other materials provided with the distribution.
475  *
476  * 3. Neither the name of the Institute nor the names of its contributors
477  *    may be used to endorse or promote products derived from this software
478  *    without specific prior written permission.
479  *
480  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
481  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
482  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
483  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
484  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
485  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
486  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
487  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
488  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
489  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
490  * SUCH DAMAGE.
491  */
492 
493 /* $Id: slc-lex.l 15118 2005-05-10 22:19:01Z lha $ */
494 
495 #undef ECHO
496 
497 #include <stdio.h>
498 #include <string.h>
499 #include <stdarg.h>
500 #include <stdlib.h>
501 #include "slc.h"
502 #include "slc-gram.h"
503 unsigned lineno = 1;
504 
505 static void handle_comment(void);
506 static char * handle_string(void);
507 
508 #define YY_NO_UNPUT
509 
510 #undef ECHO
511 
512 #line 513 "slc-lex.c"
513 
514 #define INITIAL 0
515 
516 #ifndef YY_NO_UNISTD_H
517 /* Special case for "unistd.h", since it is non-ANSI. We include it way
518  * down here because we want the user's section 1 to have been scanned first.
519  * The user has a chance to override it with an option.
520  */
521 #include <unistd.h>
522 #endif
523 
524 #ifndef YY_EXTRA_TYPE
525 #define YY_EXTRA_TYPE void *
526 #endif
527 
528 static int yy_init_globals (void );
529 
530 /* Macros after this point can all be overridden by user definitions in
531  * section 1.
532  */
533 
534 #ifndef YY_SKIP_YYWRAP
535 #ifdef __cplusplus
536 extern "C" int yywrap (void );
537 #else
538 extern int yywrap (void );
539 #endif
540 #endif
541 
542     static void yyunput (int c,char *buf_ptr  );
543 
544 #ifndef yytext_ptr
545 static void yy_flex_strncpy (char *,yyconst char *,int );
546 #endif
547 
548 #ifdef YY_NEED_STRLEN
549 static int yy_flex_strlen (yyconst char * );
550 #endif
551 
552 #ifndef YY_NO_INPUT
553 
554 #ifdef __cplusplus
555 static int yyinput (void );
556 #else
557 static int input (void );
558 #endif
559 
560 #endif
561 
562 /* Amount of stuff to slurp up with each read. */
563 #ifndef YY_READ_BUF_SIZE
564 #define YY_READ_BUF_SIZE 8192
565 #endif
566 
567 /* Copy whatever the last rule matched to the standard output. */
568 #ifndef ECHO
569 /* This used to be an fputs(), but since the string might contain NUL's,
570  * we now use fwrite().
571  */
572 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
573 #endif
574 
575 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
576  * is returned in "result".
577  */
578 #ifndef YY_INPUT
579 #define YY_INPUT(buf,result,max_size) \
580 	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
581 		{ \
582 		int c = '*'; \
583 		size_t n; \
584 		for ( n = 0; n < max_size && \
585 			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
586 			buf[n] = (char) c; \
587 		if ( c == '\n' ) \
588 			buf[n++] = (char) c; \
589 		if ( c == EOF && ferror( yyin ) ) \
590 			YY_FATAL_ERROR( "input in flex scanner failed" ); \
591 		result = n; \
592 		} \
593 	else \
594 		{ \
595 		errno=0; \
596 		while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
597 			{ \
598 			if( errno != EINTR) \
599 				{ \
600 				YY_FATAL_ERROR( "input in flex scanner failed" ); \
601 				break; \
602 				} \
603 			errno=0; \
604 			clearerr(yyin); \
605 			} \
606 		}\
607 \
608 
609 #endif
610 
611 /* No semi-colon after return; correct usage is to write "yyterminate();" -
612  * we don't want an extra ';' after the "return" because that will cause
613  * some compilers to complain about unreachable statements.
614  */
615 #ifndef yyterminate
616 #define yyterminate() return YY_NULL
617 #endif
618 
619 /* Number of entries by which start-condition stack grows. */
620 #ifndef YY_START_STACK_INCR
621 #define YY_START_STACK_INCR 25
622 #endif
623 
624 /* Report a fatal error. */
625 #ifndef YY_FATAL_ERROR
626 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
627 #endif
628 
629 /* end tables serialization structures and prototypes */
630 
631 /* Default declaration of generated scanner - a define so the user can
632  * easily add parameters.
633  */
634 #ifndef YY_DECL
635 #define YY_DECL_IS_OURS 1
636 
637 extern int yylex (void);
638 
639 #define YY_DECL int yylex (void)
640 #endif /* !YY_DECL */
641 
642 /* Code executed at the beginning of each rule, after yytext and yyleng
643  * have been set up.
644  */
645 #ifndef YY_USER_ACTION
646 #define YY_USER_ACTION
647 #endif
648 
649 /* Code executed at the end of each rule. */
650 #ifndef YY_BREAK
651 #define YY_BREAK break;
652 #endif
653 
654 #define YY_RULE_SETUP \
655 	YY_USER_ACTION
656 
657 /** The main scanner function which does all the work.
658  */
659 YY_DECL
660 {
661 	register yy_state_type yy_current_state;
662 	register char *yy_cp, *yy_bp;
663 	register int yy_act;
664 
665 #line 55 "slc-lex.l"
666 
667 #line 668 "slc-lex.c"
668 
669 	if ( !(yy_init) )
670 		{
671 		(yy_init) = 1;
672 
673 #ifdef YY_USER_INIT
674 		YY_USER_INIT;
675 #endif
676 
677 		if ( ! (yy_start) )
678 			(yy_start) = 1;	/* first start state */
679 
680 		if ( ! yyin )
681 			yyin = stdin;
682 
683 		if ( ! yyout )
684 			yyout = stdout;
685 
686 		if ( ! YY_CURRENT_BUFFER ) {
687 			yyensure_buffer_stack ();
688 			YY_CURRENT_BUFFER_LVALUE =
689 				yy_create_buffer(yyin,YY_BUF_SIZE );
690 		}
691 
692 		yy_load_buffer_state( );
693 		}
694 
695 	while ( 1 )		/* loops until end-of-file is reached */
696 		{
697 		yy_cp = (yy_c_buf_p);
698 
699 		/* Support of yytext. */
700 		*yy_cp = (yy_hold_char);
701 
702 		/* yy_bp points to the position in yy_ch_buf of the start of
703 		 * the current run.
704 		 */
705 		yy_bp = yy_cp;
706 
707 		yy_current_state = (yy_start);
708 yy_match:
709 		do
710 			{
711 			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
712 			if ( yy_accept[yy_current_state] )
713 				{
714 				(yy_last_accepting_state) = yy_current_state;
715 				(yy_last_accepting_cpos) = yy_cp;
716 				}
717 			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
718 				{
719 				yy_current_state = (int) yy_def[yy_current_state];
720 				if ( yy_current_state >= 14 )
721 					yy_c = yy_meta[(unsigned int) yy_c];
722 				}
723 			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
724 			++yy_cp;
725 			}
726 		while ( yy_base[yy_current_state] != 13 );
727 
728 yy_find_action:
729 		yy_act = yy_accept[yy_current_state];
730 		if ( yy_act == 0 )
731 			{ /* have to back up */
732 			yy_cp = (yy_last_accepting_cpos);
733 			yy_current_state = (yy_last_accepting_state);
734 			yy_act = yy_accept[yy_current_state];
735 			}
736 
737 		YY_DO_BEFORE_ACTION;
738 
739 do_action:	/* This label is used only to access EOF actions. */
740 
741 		switch ( yy_act )
742 	{ /* beginning of action switch */
743 			case 0: /* must back up */
744 			/* undo the effects of YY_DO_BEFORE_ACTION */
745 			*yy_cp = (yy_hold_char);
746 			yy_cp = (yy_last_accepting_cpos);
747 			yy_current_state = (yy_last_accepting_state);
748 			goto yy_find_action;
749 
750 case 1:
751 YY_RULE_SETUP
752 #line 56 "slc-lex.l"
753 {
754 			  yylval.string = strdup ((const char *)yytext);
755 			  return LITERAL;
756 			}
757 	YY_BREAK
758 case 2:
759 YY_RULE_SETUP
760 #line 60 "slc-lex.l"
761 { yylval.string = handle_string(); return STRING; }
762 	YY_BREAK
763 case 3:
764 /* rule 3 can match eol */
765 YY_RULE_SETUP
766 #line 61 "slc-lex.l"
767 { ++lineno; }
768 	YY_BREAK
769 case 4:
770 YY_RULE_SETUP
771 #line 62 "slc-lex.l"
772 { handle_comment(); }
773 	YY_BREAK
774 case 5:
775 YY_RULE_SETUP
776 #line 63 "slc-lex.l"
777 { return *yytext; }
778 	YY_BREAK
779 case 6:
780 YY_RULE_SETUP
781 #line 64 "slc-lex.l"
782 ;
783 	YY_BREAK
784 case 7:
785 YY_RULE_SETUP
786 #line 65 "slc-lex.l"
787 ECHO;
788 	YY_BREAK
789 #line 790 "slc-lex.c"
790 case YY_STATE_EOF(INITIAL):
791 	yyterminate();
792 
793 	case YY_END_OF_BUFFER:
794 		{
795 		/* Amount of text matched not including the EOB char. */
796 		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
797 
798 		/* Undo the effects of YY_DO_BEFORE_ACTION. */
799 		*yy_cp = (yy_hold_char);
800 		YY_RESTORE_YY_MORE_OFFSET
801 
802 		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
803 			{
804 			/* We're scanning a new file or input source.  It's
805 			 * possible that this happened because the user
806 			 * just pointed yyin at a new source and called
807 			 * yylex().  If so, then we have to assure
808 			 * consistency between YY_CURRENT_BUFFER and our
809 			 * globals.  Here is the right place to do so, because
810 			 * this is the first action (other than possibly a
811 			 * back-up) that will match for the new input source.
812 			 */
813 			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
814 			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
815 			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
816 			}
817 
818 		/* Note that here we test for yy_c_buf_p "<=" to the position
819 		 * of the first EOB in the buffer, since yy_c_buf_p will
820 		 * already have been incremented past the NUL character
821 		 * (since all states make transitions on EOB to the
822 		 * end-of-buffer state).  Contrast this with the test
823 		 * in input().
824 		 */
825 		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
826 			{ /* This was really a NUL. */
827 			yy_state_type yy_next_state;
828 
829 			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
830 
831 			yy_current_state = yy_get_previous_state(  );
832 
833 			/* Okay, we're now positioned to make the NUL
834 			 * transition.  We couldn't have
835 			 * yy_get_previous_state() go ahead and do it
836 			 * for us because it doesn't know how to deal
837 			 * with the possibility of jamming (and we don't
838 			 * want to build jamming into it because then it
839 			 * will run more slowly).
840 			 */
841 
842 			yy_next_state = yy_try_NUL_trans( yy_current_state );
843 
844 			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
845 
846 			if ( yy_next_state )
847 				{
848 				/* Consume the NUL. */
849 				yy_cp = ++(yy_c_buf_p);
850 				yy_current_state = yy_next_state;
851 				goto yy_match;
852 				}
853 
854 			else
855 				{
856 				yy_cp = (yy_c_buf_p);
857 				goto yy_find_action;
858 				}
859 			}
860 
861 		else switch ( yy_get_next_buffer(  ) )
862 			{
863 			case EOB_ACT_END_OF_FILE:
864 				{
865 				(yy_did_buffer_switch_on_eof) = 0;
866 
867 				if ( yywrap( ) )
868 					{
869 					/* Note: because we've taken care in
870 					 * yy_get_next_buffer() to have set up
871 					 * yytext, we can now set up
872 					 * yy_c_buf_p so that if some total
873 					 * hoser (like flex itself) wants to
874 					 * call the scanner after we return the
875 					 * YY_NULL, it'll still work - another
876 					 * YY_NULL will get returned.
877 					 */
878 					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
879 
880 					yy_act = YY_STATE_EOF(YY_START);
881 					goto do_action;
882 					}
883 
884 				else
885 					{
886 					if ( ! (yy_did_buffer_switch_on_eof) )
887 						YY_NEW_FILE;
888 					}
889 				break;
890 				}
891 
892 			case EOB_ACT_CONTINUE_SCAN:
893 				(yy_c_buf_p) =
894 					(yytext_ptr) + yy_amount_of_matched_text;
895 
896 				yy_current_state = yy_get_previous_state(  );
897 
898 				yy_cp = (yy_c_buf_p);
899 				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
900 				goto yy_match;
901 
902 			case EOB_ACT_LAST_MATCH:
903 				(yy_c_buf_p) =
904 				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
905 
906 				yy_current_state = yy_get_previous_state(  );
907 
908 				yy_cp = (yy_c_buf_p);
909 				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
910 				goto yy_find_action;
911 			}
912 		break;
913 		}
914 
915 	default:
916 		YY_FATAL_ERROR(
917 			"fatal flex scanner internal error--no action found" );
918 	} /* end of action switch */
919 		} /* end of scanning one token */
920 } /* end of yylex */
921 
922 /* yy_get_next_buffer - try to read in a new buffer
923  *
924  * Returns a code representing an action:
925  *	EOB_ACT_LAST_MATCH -
926  *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
927  *	EOB_ACT_END_OF_FILE - end of file
928  */
929 static int yy_get_next_buffer (void)
930 {
931     	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
932 	register char *source = (yytext_ptr);
933 	register int number_to_move, i;
934 	int ret_val;
935 
936 	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
937 		YY_FATAL_ERROR(
938 		"fatal flex scanner internal error--end of buffer missed" );
939 
940 	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
941 		{ /* Don't try to fill the buffer, so this is an EOF. */
942 		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
943 			{
944 			/* We matched a single character, the EOB, so
945 			 * treat this as a final EOF.
946 			 */
947 			return EOB_ACT_END_OF_FILE;
948 			}
949 
950 		else
951 			{
952 			/* We matched some text prior to the EOB, first
953 			 * process it.
954 			 */
955 			return EOB_ACT_LAST_MATCH;
956 			}
957 		}
958 
959 	/* Try to read more data. */
960 
961 	/* First move last chars to start of buffer. */
962 	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
963 
964 	for ( i = 0; i < number_to_move; ++i )
965 		*(dest++) = *(source++);
966 
967 	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
968 		/* don't do the read, it's not guaranteed to return an EOF,
969 		 * just force an EOF
970 		 */
971 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
972 
973 	else
974 		{
975 			int num_to_read =
976 			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
977 
978 		while ( num_to_read <= 0 )
979 			{ /* Not enough room in the buffer - grow it. */
980 
981 			/* just a shorter name for the current buffer */
982 			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
983 
984 			int yy_c_buf_p_offset =
985 				(int) ((yy_c_buf_p) - b->yy_ch_buf);
986 
987 			if ( b->yy_is_our_buffer )
988 				{
989 				int new_size = b->yy_buf_size * 2;
990 
991 				if ( new_size <= 0 )
992 					b->yy_buf_size += b->yy_buf_size / 8;
993 				else
994 					b->yy_buf_size *= 2;
995 
996 				b->yy_ch_buf = (char *)
997 					/* Include room in for 2 EOB chars. */
998 					yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
999 				}
1000 			else
1001 				/* Can't grow it, we don't own it. */
1002 				b->yy_ch_buf = 0;
1003 
1004 			if ( ! b->yy_ch_buf )
1005 				YY_FATAL_ERROR(
1006 				"fatal error - scanner input buffer overflow" );
1007 
1008 			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1009 
1010 			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1011 						number_to_move - 1;
1012 
1013 			}
1014 
1015 		if ( num_to_read > YY_READ_BUF_SIZE )
1016 			num_to_read = YY_READ_BUF_SIZE;
1017 
1018 		/* Read in more data. */
1019 		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1020 			(yy_n_chars), num_to_read );
1021 
1022 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1023 		}
1024 
1025 	if ( (yy_n_chars) == 0 )
1026 		{
1027 		if ( number_to_move == YY_MORE_ADJ )
1028 			{
1029 			ret_val = EOB_ACT_END_OF_FILE;
1030 			yyrestart(yyin  );
1031 			}
1032 
1033 		else
1034 			{
1035 			ret_val = EOB_ACT_LAST_MATCH;
1036 			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1037 				YY_BUFFER_EOF_PENDING;
1038 			}
1039 		}
1040 
1041 	else
1042 		ret_val = EOB_ACT_CONTINUE_SCAN;
1043 
1044 	(yy_n_chars) += number_to_move;
1045 	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1046 	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1047 
1048 	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1049 
1050 	return ret_val;
1051 }
1052 
1053 /* yy_get_previous_state - get the state just before the EOB char was reached */
1054 
1055     static yy_state_type yy_get_previous_state (void)
1056 {
1057 	register yy_state_type yy_current_state;
1058 	register char *yy_cp;
1059 
1060 	yy_current_state = (yy_start);
1061 
1062 	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1063 		{
1064 		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
1065 		if ( yy_accept[yy_current_state] )
1066 			{
1067 			(yy_last_accepting_state) = yy_current_state;
1068 			(yy_last_accepting_cpos) = yy_cp;
1069 			}
1070 		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1071 			{
1072 			yy_current_state = (int) yy_def[yy_current_state];
1073 			if ( yy_current_state >= 14 )
1074 				yy_c = yy_meta[(unsigned int) yy_c];
1075 			}
1076 		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1077 		}
1078 
1079 	return yy_current_state;
1080 }
1081 
1082 /* yy_try_NUL_trans - try to make a transition on the NUL character
1083  *
1084  * synopsis
1085  *	next_state = yy_try_NUL_trans( current_state );
1086  */
1087     static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
1088 {
1089 	register int yy_is_jam;
1090     	register char *yy_cp = (yy_c_buf_p);
1091 
1092 	register YY_CHAR yy_c = 1;
1093 	if ( yy_accept[yy_current_state] )
1094 		{
1095 		(yy_last_accepting_state) = yy_current_state;
1096 		(yy_last_accepting_cpos) = yy_cp;
1097 		}
1098 	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1099 		{
1100 		yy_current_state = (int) yy_def[yy_current_state];
1101 		if ( yy_current_state >= 14 )
1102 			yy_c = yy_meta[(unsigned int) yy_c];
1103 		}
1104 	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1105 	yy_is_jam = (yy_current_state == 13);
1106 
1107 	return yy_is_jam ? 0 : yy_current_state;
1108 }
1109 
1110     static void yyunput (int c, register char * yy_bp )
1111 {
1112 	register char *yy_cp;
1113 
1114     yy_cp = (yy_c_buf_p);
1115 
1116 	/* undo effects of setting up yytext */
1117 	*yy_cp = (yy_hold_char);
1118 
1119 	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
1120 		{ /* need to shift things up to make room */
1121 		/* +2 for EOB chars. */
1122 		register int number_to_move = (yy_n_chars) + 2;
1123 		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
1124 					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
1125 		register char *source =
1126 				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
1127 
1128 		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1129 			*--dest = *--source;
1130 
1131 		yy_cp += (int) (dest - source);
1132 		yy_bp += (int) (dest - source);
1133 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
1134 			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
1135 
1136 		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
1137 			YY_FATAL_ERROR( "flex scanner push-back overflow" );
1138 		}
1139 
1140 	*--yy_cp = (char) c;
1141 
1142 	(yytext_ptr) = yy_bp;
1143 	(yy_hold_char) = *yy_cp;
1144 	(yy_c_buf_p) = yy_cp;
1145 }
1146 
1147 #ifndef YY_NO_INPUT
1148 #ifdef __cplusplus
1149     static int yyinput (void)
1150 #else
1151     static int input  (void)
1152 #endif
1153 
1154 {
1155 	int c;
1156 
1157 	*(yy_c_buf_p) = (yy_hold_char);
1158 
1159 	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1160 		{
1161 		/* yy_c_buf_p now points to the character we want to return.
1162 		 * If this occurs *before* the EOB characters, then it's a
1163 		 * valid NUL; if not, then we've hit the end of the buffer.
1164 		 */
1165 		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1166 			/* This was really a NUL. */
1167 			*(yy_c_buf_p) = '\0';
1168 
1169 		else
1170 			{ /* need more input */
1171 			int offset = (yy_c_buf_p) - (yytext_ptr);
1172 			++(yy_c_buf_p);
1173 
1174 			switch ( yy_get_next_buffer(  ) )
1175 				{
1176 				case EOB_ACT_LAST_MATCH:
1177 					/* This happens because yy_g_n_b()
1178 					 * sees that we've accumulated a
1179 					 * token and flags that we need to
1180 					 * try matching the token before
1181 					 * proceeding.  But for input(),
1182 					 * there's no matching to consider.
1183 					 * So convert the EOB_ACT_LAST_MATCH
1184 					 * to EOB_ACT_END_OF_FILE.
1185 					 */
1186 
1187 					/* Reset buffer status. */
1188 					yyrestart(yyin );
1189 
1190 					/*FALLTHROUGH*/
1191 
1192 				case EOB_ACT_END_OF_FILE:
1193 					{
1194 					if ( yywrap( ) )
1195 						return 0;
1196 
1197 					if ( ! (yy_did_buffer_switch_on_eof) )
1198 						YY_NEW_FILE;
1199 #ifdef __cplusplus
1200 					return yyinput();
1201 #else
1202 					return input();
1203 #endif
1204 					}
1205 
1206 				case EOB_ACT_CONTINUE_SCAN:
1207 					(yy_c_buf_p) = (yytext_ptr) + offset;
1208 					break;
1209 				}
1210 			}
1211 		}
1212 
1213 	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
1214 	*(yy_c_buf_p) = '\0';	/* preserve yytext */
1215 	(yy_hold_char) = *++(yy_c_buf_p);
1216 
1217 	return c;
1218 }
1219 #endif	/* ifndef YY_NO_INPUT */
1220 
1221 /** Immediately switch to a different input stream.
1222  * @param input_file A readable stream.
1223  *
1224  * @note This function does not reset the start condition to @c INITIAL .
1225  */
1226     void yyrestart  (FILE * input_file )
1227 {
1228 
1229 	if ( ! YY_CURRENT_BUFFER ){
1230         yyensure_buffer_stack ();
1231 		YY_CURRENT_BUFFER_LVALUE =
1232             yy_create_buffer(yyin,YY_BUF_SIZE );
1233 	}
1234 
1235 	yy_init_buffer(YY_CURRENT_BUFFER,input_file );
1236 	yy_load_buffer_state( );
1237 }
1238 
1239 /** Switch to a different input buffer.
1240  * @param new_buffer The new input buffer.
1241  *
1242  */
1243     void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
1244 {
1245 
1246 	/* TODO. We should be able to replace this entire function body
1247 	 * with
1248 	 *		yypop_buffer_state();
1249 	 *		yypush_buffer_state(new_buffer);
1250      */
1251 	yyensure_buffer_stack ();
1252 	if ( YY_CURRENT_BUFFER == new_buffer )
1253 		return;
1254 
1255 	if ( YY_CURRENT_BUFFER )
1256 		{
1257 		/* Flush out information for old buffer. */
1258 		*(yy_c_buf_p) = (yy_hold_char);
1259 		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1260 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1261 		}
1262 
1263 	YY_CURRENT_BUFFER_LVALUE = new_buffer;
1264 	yy_load_buffer_state( );
1265 
1266 	/* We don't actually know whether we did this switch during
1267 	 * EOF (yywrap()) processing, but the only time this flag
1268 	 * is looked at is after yywrap() is called, so it's safe
1269 	 * to go ahead and always set it.
1270 	 */
1271 	(yy_did_buffer_switch_on_eof) = 1;
1272 }
1273 
1274 static void yy_load_buffer_state  (void)
1275 {
1276     	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1277 	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1278 	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1279 	(yy_hold_char) = *(yy_c_buf_p);
1280 }
1281 
1282 /** Allocate and initialize an input buffer state.
1283  * @param file A readable stream.
1284  * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1285  *
1286  * @return the allocated buffer state.
1287  */
1288     YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size )
1289 {
1290 	YY_BUFFER_STATE b;
1291 
1292 	b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
1293 	if ( ! b )
1294 		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1295 
1296 	b->yy_buf_size = size;
1297 
1298 	/* yy_ch_buf has to be 2 characters longer than the size given because
1299 	 * we need to put in 2 end-of-buffer characters.
1300 	 */
1301 	b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2  );
1302 	if ( ! b->yy_ch_buf )
1303 		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1304 
1305 	b->yy_is_our_buffer = 1;
1306 
1307 	yy_init_buffer(b,file );
1308 
1309 	return b;
1310 }
1311 
1312 /** Destroy the buffer.
1313  * @param b a buffer created with yy_create_buffer()
1314  *
1315  */
1316     void yy_delete_buffer (YY_BUFFER_STATE  b )
1317 {
1318 
1319 	if ( ! b )
1320 		return;
1321 
1322 	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1323 		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1324 
1325 	if ( b->yy_is_our_buffer )
1326 		yyfree((void *) b->yy_ch_buf  );
1327 
1328 	yyfree((void *) b  );
1329 }
1330 
1331 #ifndef __cplusplus
1332 extern int isatty (int );
1333 #endif /* __cplusplus */
1334 
1335 /* Initializes or reinitializes a buffer.
1336  * This function is sometimes called more than once on the same buffer,
1337  * such as during a yyrestart() or at EOF.
1338  */
1339     static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
1340 
1341 {
1342 	int oerrno = errno;
1343 
1344 	yy_flush_buffer(b );
1345 
1346 	b->yy_input_file = file;
1347 	b->yy_fill_buffer = 1;
1348 
1349     /* If b is the current buffer, then yy_init_buffer was _probably_
1350      * called from yyrestart() or through yy_get_next_buffer.
1351      * In that case, we don't want to reset the lineno or column.
1352      */
1353     if (b != YY_CURRENT_BUFFER){
1354         b->yy_bs_lineno = 1;
1355         b->yy_bs_column = 0;
1356     }
1357 
1358         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1359 
1360 	errno = oerrno;
1361 }
1362 
1363 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1364  * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1365  *
1366  */
1367     void yy_flush_buffer (YY_BUFFER_STATE  b )
1368 {
1369     	if ( ! b )
1370 		return;
1371 
1372 	b->yy_n_chars = 0;
1373 
1374 	/* We always need two end-of-buffer characters.  The first causes
1375 	 * a transition to the end-of-buffer state.  The second causes
1376 	 * a jam in that state.
1377 	 */
1378 	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1379 	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1380 
1381 	b->yy_buf_pos = &b->yy_ch_buf[0];
1382 
1383 	b->yy_at_bol = 1;
1384 	b->yy_buffer_status = YY_BUFFER_NEW;
1385 
1386 	if ( b == YY_CURRENT_BUFFER )
1387 		yy_load_buffer_state( );
1388 }
1389 
1390 /** Pushes the new state onto the stack. The new state becomes
1391  *  the current state. This function will allocate the stack
1392  *  if necessary.
1393  *  @param new_buffer The new state.
1394  *
1395  */
1396 void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
1397 {
1398     	if (new_buffer == NULL)
1399 		return;
1400 
1401 	yyensure_buffer_stack();
1402 
1403 	/* This block is copied from yy_switch_to_buffer. */
1404 	if ( YY_CURRENT_BUFFER )
1405 		{
1406 		/* Flush out information for old buffer. */
1407 		*(yy_c_buf_p) = (yy_hold_char);
1408 		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1409 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1410 		}
1411 
1412 	/* Only push if top exists. Otherwise, replace top. */
1413 	if (YY_CURRENT_BUFFER)
1414 		(yy_buffer_stack_top)++;
1415 	YY_CURRENT_BUFFER_LVALUE = new_buffer;
1416 
1417 	/* copied from yy_switch_to_buffer. */
1418 	yy_load_buffer_state( );
1419 	(yy_did_buffer_switch_on_eof) = 1;
1420 }
1421 
1422 /** Removes and deletes the top of the stack, if present.
1423  *  The next element becomes the new top.
1424  *
1425  */
1426 void yypop_buffer_state (void)
1427 {
1428     	if (!YY_CURRENT_BUFFER)
1429 		return;
1430 
1431 	yy_delete_buffer(YY_CURRENT_BUFFER );
1432 	YY_CURRENT_BUFFER_LVALUE = NULL;
1433 	if ((yy_buffer_stack_top) > 0)
1434 		--(yy_buffer_stack_top);
1435 
1436 	if (YY_CURRENT_BUFFER) {
1437 		yy_load_buffer_state( );
1438 		(yy_did_buffer_switch_on_eof) = 1;
1439 	}
1440 }
1441 
1442 /* Allocates the stack if it does not exist.
1443  *  Guarantees space for at least one push.
1444  */
1445 static void yyensure_buffer_stack (void)
1446 {
1447 	int num_to_alloc;
1448 
1449 	if (!(yy_buffer_stack)) {
1450 
1451 		/* First allocation is just for 2 elements, since we don't know if this
1452 		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1453 		 * immediate realloc on the next call.
1454          */
1455 		num_to_alloc = 1;
1456 		(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
1457 								(num_to_alloc * sizeof(struct yy_buffer_state*)
1458 								);
1459 
1460 		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1461 
1462 		(yy_buffer_stack_max) = num_to_alloc;
1463 		(yy_buffer_stack_top) = 0;
1464 		return;
1465 	}
1466 
1467 	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1468 
1469 		/* Increase the buffer to prepare for a possible push. */
1470 		int grow_size = 8 /* arbitrary grow size */;
1471 
1472 		num_to_alloc = (yy_buffer_stack_max) + grow_size;
1473 		(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
1474 								((yy_buffer_stack),
1475 								num_to_alloc * sizeof(struct yy_buffer_state*)
1476 								);
1477 
1478 		/* zero only the new slots.*/
1479 		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1480 		(yy_buffer_stack_max) = num_to_alloc;
1481 	}
1482 }
1483 
1484 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1485  * @param base the character buffer
1486  * @param size the size in bytes of the character buffer
1487  *
1488  * @return the newly allocated buffer state object.
1489  */
1490 YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size )
1491 {
1492 	YY_BUFFER_STATE b;
1493 
1494 	if ( size < 2 ||
1495 	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
1496 	     base[size-1] != YY_END_OF_BUFFER_CHAR )
1497 		/* They forgot to leave room for the EOB's. */
1498 		return 0;
1499 
1500 	b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
1501 	if ( ! b )
1502 		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1503 
1504 	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
1505 	b->yy_buf_pos = b->yy_ch_buf = base;
1506 	b->yy_is_our_buffer = 0;
1507 	b->yy_input_file = 0;
1508 	b->yy_n_chars = b->yy_buf_size;
1509 	b->yy_is_interactive = 0;
1510 	b->yy_at_bol = 1;
1511 	b->yy_fill_buffer = 0;
1512 	b->yy_buffer_status = YY_BUFFER_NEW;
1513 
1514 	yy_switch_to_buffer(b  );
1515 
1516 	return b;
1517 }
1518 
1519 /** Setup the input buffer state to scan a string. The next call to yylex() will
1520  * scan from a @e copy of @a str.
1521  * @param str a NUL-terminated string to scan
1522  *
1523  * @return the newly allocated buffer state object.
1524  * @note If you want to scan bytes that may contain NUL values, then use
1525  *       yy_scan_bytes() instead.
1526  */
1527 YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
1528 {
1529 
1530 	return yy_scan_bytes(yystr,strlen(yystr) );
1531 }
1532 
1533 /** Setup the input buffer state to scan the given bytes. The next call to yylex() will
1534  * scan from a @e copy of @a bytes.
1535  * @param bytes the byte buffer to scan
1536  * @param len the number of bytes in the buffer pointed to by @a bytes.
1537  *
1538  * @return the newly allocated buffer state object.
1539  */
1540 YY_BUFFER_STATE yy_scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
1541 {
1542 	YY_BUFFER_STATE b;
1543 	char *buf;
1544 	yy_size_t n;
1545 	int i;
1546 
1547 	/* Get memory for full buffer, including space for trailing EOB's. */
1548 	n = _yybytes_len + 2;
1549 	buf = (char *) yyalloc(n  );
1550 	if ( ! buf )
1551 		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1552 
1553 	for ( i = 0; i < _yybytes_len; ++i )
1554 		buf[i] = yybytes[i];
1555 
1556 	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
1557 
1558 	b = yy_scan_buffer(buf,n );
1559 	if ( ! b )
1560 		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1561 
1562 	/* It's okay to grow etc. this buffer, and we should throw it
1563 	 * away when we're done.
1564 	 */
1565 	b->yy_is_our_buffer = 1;
1566 
1567 	return b;
1568 }
1569 
1570 #ifndef YY_EXIT_FAILURE
1571 #define YY_EXIT_FAILURE 2
1572 #endif
1573 
1574 static void yy_fatal_error (yyconst char* msg )
1575 {
1576     	(void) fprintf( stderr, "%s\n", msg );
1577 	exit( YY_EXIT_FAILURE );
1578 }
1579 
1580 /* Redefine yyless() so it works in section 3 code. */
1581 
1582 #undef yyless
1583 #define yyless(n) \
1584 	do \
1585 		{ \
1586 		/* Undo effects of setting up yytext. */ \
1587         int yyless_macro_arg = (n); \
1588         YY_LESS_LINENO(yyless_macro_arg);\
1589 		yytext[yyleng] = (yy_hold_char); \
1590 		(yy_c_buf_p) = yytext + yyless_macro_arg; \
1591 		(yy_hold_char) = *(yy_c_buf_p); \
1592 		*(yy_c_buf_p) = '\0'; \
1593 		yyleng = yyless_macro_arg; \
1594 		} \
1595 	while ( 0 )
1596 
1597 /* Accessor  methods (get/set functions) to struct members. */
1598 
1599 /** Get the current line number.
1600  *
1601  */
1602 int yyget_lineno  (void)
1603 {
1604 
1605     return yylineno;
1606 }
1607 
1608 /** Get the input stream.
1609  *
1610  */
1611 FILE *yyget_in  (void)
1612 {
1613         return yyin;
1614 }
1615 
1616 /** Get the output stream.
1617  *
1618  */
1619 FILE *yyget_out  (void)
1620 {
1621         return yyout;
1622 }
1623 
1624 /** Get the length of the current token.
1625  *
1626  */
1627 int yyget_leng  (void)
1628 {
1629         return yyleng;
1630 }
1631 
1632 /** Get the current token.
1633  *
1634  */
1635 
1636 char *yyget_text  (void)
1637 {
1638         return yytext;
1639 }
1640 
1641 /** Set the current line number.
1642  * @param line_number
1643  *
1644  */
1645 void yyset_lineno (int  line_number )
1646 {
1647 
1648     yylineno = line_number;
1649 }
1650 
1651 /** Set the input stream. This does not discard the current
1652  * input buffer.
1653  * @param in_str A readable stream.
1654  *
1655  * @see yy_switch_to_buffer
1656  */
1657 void yyset_in (FILE *  in_str )
1658 {
1659         yyin = in_str ;
1660 }
1661 
1662 void yyset_out (FILE *  out_str )
1663 {
1664         yyout = out_str ;
1665 }
1666 
1667 int yyget_debug  (void)
1668 {
1669         return yy_flex_debug;
1670 }
1671 
1672 void yyset_debug (int  bdebug )
1673 {
1674         yy_flex_debug = bdebug ;
1675 }
1676 
1677 static int yy_init_globals (void)
1678 {
1679         /* Initialization is the same as for the non-reentrant scanner.
1680      * This function is called from yylex_destroy(), so don't allocate here.
1681      */
1682 
1683     (yy_buffer_stack) = 0;
1684     (yy_buffer_stack_top) = 0;
1685     (yy_buffer_stack_max) = 0;
1686     (yy_c_buf_p) = (char *) 0;
1687     (yy_init) = 0;
1688     (yy_start) = 0;
1689 
1690 /* Defined in main.c */
1691 #ifdef YY_STDINIT
1692     yyin = stdin;
1693     yyout = stdout;
1694 #else
1695     yyin = (FILE *) 0;
1696     yyout = (FILE *) 0;
1697 #endif
1698 
1699     /* For future reference: Set errno on error, since we are called by
1700      * yylex_init()
1701      */
1702     return 0;
1703 }
1704 
1705 /* yylex_destroy is for both reentrant and non-reentrant scanners. */
1706 int yylex_destroy  (void)
1707 {
1708 
1709     /* Pop the buffer stack, destroying each element. */
1710 	while(YY_CURRENT_BUFFER){
1711 		yy_delete_buffer(YY_CURRENT_BUFFER  );
1712 		YY_CURRENT_BUFFER_LVALUE = NULL;
1713 		yypop_buffer_state();
1714 	}
1715 
1716 	/* Destroy the stack itself. */
1717 	yyfree((yy_buffer_stack) );
1718 	(yy_buffer_stack) = NULL;
1719 
1720     /* Reset the globals. This is important in a non-reentrant scanner so the next time
1721      * yylex() is called, initialization will occur. */
1722     yy_init_globals( );
1723 
1724     return 0;
1725 }
1726 
1727 /*
1728  * Internal utility routines.
1729  */
1730 
1731 #ifndef yytext_ptr
1732 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
1733 {
1734 	register int i;
1735 	for ( i = 0; i < n; ++i )
1736 		s1[i] = s2[i];
1737 }
1738 #endif
1739 
1740 #ifdef YY_NEED_STRLEN
1741 static int yy_flex_strlen (yyconst char * s )
1742 {
1743 	register int n;
1744 	for ( n = 0; s[n]; ++n )
1745 		;
1746 
1747 	return n;
1748 }
1749 #endif
1750 
1751 void *yyalloc (yy_size_t  size )
1752 {
1753 	return (void *) malloc( size );
1754 }
1755 
1756 void *yyrealloc  (void * ptr, yy_size_t  size )
1757 {
1758 	/* The cast to (char *) in the following accommodates both
1759 	 * implementations that use char* generic pointers, and those
1760 	 * that use void* generic pointers.  It works with the latter
1761 	 * because both ANSI C and C++ allow castless assignment from
1762 	 * any pointer type to void*, and deal with argument conversions
1763 	 * as though doing an assignment.
1764 	 */
1765 	return (void *) realloc( (char *) ptr, size );
1766 }
1767 
1768 void yyfree (void * ptr )
1769 {
1770 	free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
1771 }
1772 
1773 #define YYTABLES_NAME "yytables"
1774 
1775 #line 65 "slc-lex.l"
1776 
1777 
1778 
1779 void
1780 error_message (const char *format, ...)
1781 {
1782      va_list args;
1783 
1784      va_start (args, format);
1785      fprintf (stderr, "%s:%d: ", filename, lineno);
1786      vfprintf (stderr, format, args);
1787      va_end (args);
1788      error_flag++;
1789 }
1790 
1791 void
1792 yyerror (char *s)
1793 {
1794     error_message("%s\n", s);
1795 }
1796 
1797 static void
1798 handle_comment(void)
1799 {
1800     int c;
1801     int start_lineno = lineno;
1802     int level = 1;
1803     int seen_star = 0;
1804     int seen_slash = 0;
1805     while((c = input()) != EOF) {
1806 	if(c == '/') {
1807 	    if(seen_star) {
1808 		if(--level == 0)
1809 		    return;
1810 		seen_star = 0;
1811 		continue;
1812 	    }
1813 	    seen_slash = 1;
1814 	    continue;
1815 	}
1816 	if(seen_star && c == '/') {
1817 	    if(--level == 0)
1818 		return;
1819 	    seen_star = 0;
1820 	    continue;
1821 	}
1822 	if(c == '*') {
1823 	    if(seen_slash) {
1824 		level++;
1825 		seen_star = seen_slash = 0;
1826 		continue;
1827 	    }
1828 	    seen_star = 1;
1829 	    continue;
1830 	}
1831 	seen_star = seen_slash = 0;
1832 	if(c == '\n') {
1833 	    lineno++;
1834 	    continue;
1835 	}
1836     }
1837     if(c == EOF)
1838 	error_message("unterminated comment, possibly started on line %d\n", start_lineno);
1839 }
1840 
1841 static char *
1842 handle_string(void)
1843 {
1844     char x[1024];
1845     int i = 0;
1846     int c;
1847     int quote = 0;
1848     while((c = input()) != EOF){
1849 	if(quote) {
1850 	    x[i++] = '\\';
1851 	    x[i++] = c;
1852 	    quote = 0;
1853 	    continue;
1854 	}
1855 	if(c == '\n'){
1856 	    error_message("unterminated string");
1857 	    lineno++;
1858 	    break;
1859 	}
1860 	if(c == '\\'){
1861 	    quote++;
1862 	    continue;
1863 	}
1864 	if(c == '\"')
1865 	    break;
1866 	x[i++] = c;
1867     }
1868     x[i] = '\0';
1869     return strdup(x);
1870 }
1871 
1872 int
1873 yywrap ()
1874 {
1875      return 1;
1876 }
1877 
1878