| blob | 7a4ca2c1624854ed0c8909a8bc77cdf142b89abd |
2 #line 3 "scripts/kconfig/lex.zconf.c"
4 #define YY_INT_ALIGNED short int
6 /* A lexical scanner generated by flex */
8 #define FLEX_SCANNER
9 #define YY_FLEX_MAJOR_VERSION 2
10 #define YY_FLEX_MINOR_VERSION 5
11 #define YY_FLEX_SUBMINOR_VERSION 31
12 #if YY_FLEX_SUBMINOR_VERSION > 0
13 #define FLEX_BETA
14 #endif
16 /* First, we deal with platform-specific or compiler-specific issues. */
18 /* begin standard C headers. */
19 #include <stdio.h>
20 #include <string.h>
21 #include <errno.h>
22 #include <stdlib.h>
24 /* end standard C headers. */
26 /* flex integer type definitions */
28 #ifndef FLEXINT_H
29 #define FLEXINT_H
31 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
33 #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
34 #include <inttypes.h>
35 typedef int8_t flex_int8_t;
36 typedef uint8_t flex_uint8_t;
37 typedef int16_t flex_int16_t;
38 typedef uint16_t flex_uint16_t;
39 typedef int32_t flex_int32_t;
40 typedef uint32_t flex_uint32_t;
41 #else
42 typedef signed char flex_int8_t;
43 typedef short int flex_int16_t;
44 typedef int flex_int32_t;
45 typedef unsigned char flex_uint8_t;
46 typedef unsigned short int flex_uint16_t;
47 typedef unsigned int flex_uint32_t;
48 #endif /* ! C99 */
50 /* Limits of integral types. */
51 #ifndef INT8_MIN
52 #define INT8_MIN (-128)
53 #endif
54 #ifndef INT16_MIN
55 #define INT16_MIN (-32767-1)
56 #endif
57 #ifndef INT32_MIN
58 #define INT32_MIN (-2147483647-1)
59 #endif
60 #ifndef INT8_MAX
61 #define INT8_MAX (127)
62 #endif
63 #ifndef INT16_MAX
64 #define INT16_MAX (32767)
65 #endif
66 #ifndef INT32_MAX
67 #define INT32_MAX (2147483647)
68 #endif
69 #ifndef UINT8_MAX
70 #define UINT8_MAX (255U)
71 #endif
72 #ifndef UINT16_MAX
73 #define UINT16_MAX (65535U)
74 #endif
75 #ifndef UINT32_MAX
76 #define UINT32_MAX (4294967295U)
77 #endif
79 #endif /* ! FLEXINT_H */
81 #ifdef __cplusplus
83 /* The "const" storage-class-modifier is valid. */
84 #define YY_USE_CONST
86 #else /* ! __cplusplus */
88 #if __STDC__
90 #define YY_USE_CONST
92 #endif /* __STDC__ */
93 #endif /* ! __cplusplus */
95 #ifdef YY_USE_CONST
96 #define yyconst const
97 #else
98 #define yyconst
99 #endif
101 /* Returned upon end-of-file. */
102 #define YY_NULL 0
104 /* Promotes a possibly negative, possibly signed char to an unsigned
105 * integer for use as an array index. If the signed char is negative,
106 * we want to instead treat it as an 8-bit unsigned char, hence the
107 * double cast.
108 */
109 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
111 /* Enter a start condition. This macro really ought to take a parameter,
112 * but we do it the disgusting crufty way forced on us by the ()-less
113 * definition of BEGIN.
114 */
115 #define BEGIN (yy_start) = 1 + 2 *
117 /* Translate the current start state into a value that can be later handed
118 * to BEGIN to return to the state. The YYSTATE alias is for lex
119 * compatibility.
120 */
121 #define YY_START (((yy_start) - 1) / 2)
122 #define YYSTATE YY_START
124 /* Action number for EOF rule of a given start state. */
125 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
127 /* Special action meaning "start processing a new file". */
128 #define YY_NEW_FILE zconfrestart(zconfin )
130 #define YY_END_OF_BUFFER_CHAR 0
132 /* Size of default input buffer. */
133 #ifndef YY_BUF_SIZE
134 #define YY_BUF_SIZE 16384
135 #endif
137 #ifndef YY_TYPEDEF_YY_BUFFER_STATE
138 #define YY_TYPEDEF_YY_BUFFER_STATE
139 typedef struct yy_buffer_state *YY_BUFFER_STATE;
140 #endif
142 extern int zconfleng;
144 extern FILE *zconfin, *zconfout;
146 #define EOB_ACT_CONTINUE_SCAN 0
147 #define EOB_ACT_END_OF_FILE 1
148 #define EOB_ACT_LAST_MATCH 2
150 #define YY_LESS_LINENO(n)
152 /* Return all but the first "n" matched characters back to the input stream. */
153 #define yyless(n) \
154 do \
155 { \
156 /* Undo effects of setting up zconftext. */ \
157 int yyless_macro_arg = (n); \
158 YY_LESS_LINENO(yyless_macro_arg);\
159 *yy_cp = (yy_hold_char); \
160 YY_RESTORE_YY_MORE_OFFSET \
161 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
162 YY_DO_BEFORE_ACTION; /* set up zconftext again */ \
163 } \
164 while ( 0 )
166 #define unput(c) yyunput( c, (yytext_ptr) )
168 /* The following is because we cannot portably get our hands on size_t
169 * (without autoconf's help, which isn't available because we want
170 * flex-generated scanners to compile on their own).
171 */
173 #ifndef YY_TYPEDEF_YY_SIZE_T
174 #define YY_TYPEDEF_YY_SIZE_T
175 typedef unsigned int yy_size_t;
176 #endif
178 #ifndef YY_STRUCT_YY_BUFFER_STATE
179 #define YY_STRUCT_YY_BUFFER_STATE
180 struct yy_buffer_state
181 {
182 FILE *yy_input_file;
184 char *yy_ch_buf; /* input buffer */
185 char *yy_buf_pos; /* current position in input buffer */
187 /* Size of input buffer in bytes, not including room for EOB
188 * characters.
189 */
190 yy_size_t yy_buf_size;
192 /* Number of characters read into yy_ch_buf, not including EOB
193 * characters.
194 */
195 int yy_n_chars;
197 /* Whether we "own" the buffer - i.e., we know we created it,
198 * and can realloc() it to grow it, and should free() it to
199 * delete it.
200 */
201 int yy_is_our_buffer;
203 /* Whether this is an "interactive" input source; if so, and
204 * if we're using stdio for input, then we want to use getc()
205 * instead of fread(), to make sure we stop fetching input after
206 * each newline.
207 */
208 int yy_is_interactive;
210 /* Whether we're considered to be at the beginning of a line.
211 * If so, '^' rules will be active on the next match, otherwise
212 * not.
213 */
214 int yy_at_bol;
216 int yy_bs_lineno; /**< The line count. */
217 int yy_bs_column; /**< The column count. */
219 /* Whether to try to fill the input buffer when we reach the
220 * end of it.
221 */
222 int yy_fill_buffer;
224 int yy_buffer_status;
226 #define YY_BUFFER_NEW 0
227 #define YY_BUFFER_NORMAL 1
228 /* When an EOF's been seen but there's still some text to process
229 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
230 * shouldn't try reading from the input source any more. We might
231 * still have a bunch of tokens to match, though, because of
232 * possible backing-up.
233 *
234 * When we actually see the EOF, we change the status to "new"
235 * (via zconfrestart()), so that the user can continue scanning by
236 * just pointing zconfin at a new input file.
237 */
238 #define YY_BUFFER_EOF_PENDING 2
240 };
241 #endif /* !YY_STRUCT_YY_BUFFER_STATE */
243 /* Stack of input buffers. */
244 static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
245 static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
246 static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
248 /* We provide macros for accessing buffer states in case in the
249 * future we want to put the buffer states in a more general
250 * "scanner state".
251 *
252 * Returns the top of the stack, or NULL.
253 */
254 #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
255 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
256 : NULL)
258 /* Same as previous macro, but useful when we know that the buffer stack is not
259 * NULL or when we need an lvalue. For internal use only.
260 */
261 #define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
263 /* yy_hold_char holds the character lost when zconftext is formed. */
264 static char yy_hold_char;
265 static int yy_n_chars; /* number of characters read into yy_ch_buf */
266 int zconfleng;
268 /* Points to current character in buffer. */
269 static char *yy_c_buf_p = (char *) 0;
270 static int yy_init = 1; /* whether we need to initialize */
271 static int yy_start = 0; /* start state number */
273 /* Flag which is used to allow zconfwrap()'s to do buffer switches
274 * instead of setting up a fresh zconfin. A bit of a hack ...
275 */
276 static int yy_did_buffer_switch_on_eof;
278 void zconfrestart (FILE *input_file );
279 void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer );
280 YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size );
281 void zconf_delete_buffer (YY_BUFFER_STATE b );
282 void zconf_flush_buffer (YY_BUFFER_STATE b );
283 void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer );
284 void zconfpop_buffer_state (void );
286 static void zconfensure_buffer_stack (void );
287 static void zconf_load_buffer_state (void );
288 static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *file );
290 #define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER )
292 YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size );
293 YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str );
294 YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,int len );
296 void *zconfalloc (yy_size_t );
297 void *zconfrealloc (void *,yy_size_t );
298 void zconffree (void * );
300 #define yy_new_buffer zconf_create_buffer
302 #define yy_set_interactive(is_interactive) \
303 { \
304 if ( ! YY_CURRENT_BUFFER ){ \
305 zconfensure_buffer_stack (); \
306 YY_CURRENT_BUFFER_LVALUE = \
307 zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
308 } \
309 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
310 }
312 #define yy_set_bol(at_bol) \
313 { \
314 if ( ! YY_CURRENT_BUFFER ){\
315 zconfensure_buffer_stack (); \
316 YY_CURRENT_BUFFER_LVALUE = \
317 zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
318 } \
319 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
320 }
322 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
324 /* Begin user sect3 */
326 #define zconfwrap() 1
327 #define YY_SKIP_YYWRAP
329 typedef unsigned char YY_CHAR;
331 FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0;
333 typedef int yy_state_type;
335 extern int zconflineno;
337 int zconflineno = 1;
339 extern char *zconftext;
340 #define yytext_ptr zconftext
341 static yyconst flex_int16_t yy_nxt[][17] =
342 {
343 {
344 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
345 0, 0, 0, 0, 0, 0, 0
346 },
348 {
349 11, 12, 13, 14, 12, 12, 15, 12, 12, 12,
350 12, 12, 12, 12, 12, 12, 12
351 },
353 {
354 11, 12, 13, 14, 12, 12, 15, 12, 12, 12,
355 12, 12, 12, 12, 12, 12, 12
356 },
358 {
359 11, 16, 16, 17, 16, 16, 16, 16, 16, 16,
360 16, 16, 16, 18, 16, 16, 16
361 },
363 {
364 11, 16, 16, 17, 16, 16, 16, 16, 16, 16,
365 16, 16, 16, 18, 16, 16, 16
367 },
369 {
370 11, 19, 20, 21, 19, 19, 19, 19, 19, 19,
371 19, 19, 19, 19, 19, 19, 19
372 },
374 {
375 11, 19, 20, 21, 19, 19, 19, 19, 19, 19,
376 19, 19, 19, 19, 19, 19, 19
377 },
379 {
380 11, 22, 22, 23, 22, 24, 22, 22, 24, 22,
381 22, 22, 22, 22, 22, 25, 22
382 },
384 {
385 11, 22, 22, 23, 22, 24, 22, 22, 24, 22,
386 22, 22, 22, 22, 22, 25, 22
387 },
389 {
390 11, 26, 26, 27, 28, 29, 30, 31, 29, 32,
391 33, 34, 35, 35, 36, 37, 38
393 },
395 {
396 11, 26, 26, 27, 28, 29, 30, 31, 29, 32,
397 33, 34, 35, 35, 36, 37, 38
398 },
400 {
401 -11, -11, -11, -11, -11, -11, -11, -11, -11, -11,
402 -11, -11, -11, -11, -11, -11, -11
403 },
405 {
406 11, -12, -12, -12, -12, -12, -12, -12, -12, -12,
407 -12, -12, -12, -12, -12, -12, -12
408 },
410 {
411 11, -13, 39, 40, -13, -13, 41, -13, -13, -13,
412 -13, -13, -13, -13, -13, -13, -13
413 },
415 {
416 11, -14, -14, -14, -14, -14, -14, -14, -14, -14,
417 -14, -14, -14, -14, -14, -14, -14
419 },
421 {
422 11, 42, 42, 43, 42, 42, 42, 42, 42, 42,
423 42, 42, 42, 42, 42, 42, 42
424 },
426 {
427 11, -16, -16, -16, -16, -16, -16, -16, -16, -16,
428 -16, -16, -16, -16, -16, -16, -16
429 },
431 {
432 11, -17, -17, -17, -17, -17, -17, -17, -17, -17,
433 -17, -17, -17, -17, -17, -17, -17
434 },
436 {
437 11, -18, -18, -18, -18, -18, -18, -18, -18, -18,
438 -18, -18, -18, 44, -18, -18, -18
439 },
441 {
442 11, 45, 45, -19, 45, 45, 45, 45, 45, 45,
443 45, 45, 45, 45, 45, 45, 45
445 },
447 {
448 11, -20, 46, 47, -20, -20, -20, -20, -20, -20,
449 -20, -20, -20, -20, -20, -20, -20
450 },
452 {
453 11, 48, -21, -21, 48, 48, 48, 48, 48, 48,
454 48, 48, 48, 48, 48, 48, 48
455 },
457 {
458 11, 49, 49, 50, 49, -22, 49, 49, -22, 49,
459 49, 49, 49, 49, 49, -22, 49
460 },
462 {
463 11, -23, -23, -23, -23, -23, -23, -23, -23, -23,
464 -23, -23, -23, -23, -23, -23, -23
465 },
467 {
468 11, -24, -24, -24, -24, -24, -24, -24, -24, -24,
469 -24, -24, -24, -24, -24, -24, -24
471 },
473 {
474 11, 51, 51, 52, 51, 51, 51, 51, 51, 51,
475 51, 51, 51, 51, 51, 51, 51
476 },
478 {
479 11, -26, -26, -26, -26, -26, -26, -26, -26, -26,
480 -26, -26, -26, -26, -26, -26, -26
481 },
483 {
484 11, -27, -27, -27, -27, -27, -27, -27, -27, -27,
485 -27, -27, -27, -27, -27, -27, -27
486 },
488 {
489 11, -28, -28, -28, -28, -28, -28, -28, -28, -28,
490 -28, -28, -28, -28, 53, -28, -28
491 },
493 {
494 11, -29, -29, -29, -29, -29, -29, -29, -29, -29,
495 -29, -29, -29, -29, -29, -29, -29
497 },
499 {
500 11, 54, 54, -30, 54, 54, 54, 54, 54, 54,
501 54, 54, 54, 54, 54, 54, 54
502 },
504 {
505 11, -31, -31, -31, -31, -31, -31, 55, -31, -31,
506 -31, -31, -31, -31, -31, -31, -31
507 },
509 {
510 11, -32, -32, -32, -32, -32, -32, -32, -32, -32,
511 -32, -32, -32, -32, -32, -32, -32
512 },
514 {
515 11, -33, -33, -33, -33, -33, -33, -33, -33, -33,
516 -33, -33, -33, -33, -33, -33, -33
517 },
519 {
520 11, -34, -34, -34, -34, -34, -34, -34, -34, -34,
521 -34, 56, 57, 57, -34, -34, -34
523 },
525 {
526 11, -35, -35, -35, -35, -35, -35, -35, -35, -35,
527 -35, 57, 57, 57, -35, -35, -35
528 },
530 {
531 11, -36, -36, -36, -36, -36, -36, -36, -36, -36,
532 -36, -36, -36, -36, -36, -36, -36
533 },
535 {
536 11, -37, -37, 58, -37, -37, -37, -37, -37, -37,
537 -37, -37, -37, -37, -37, -37, -37
538 },
540 {
541 11, -38, -38, -38, -38, -38, -38, -38, -38, -38,
542 -38, -38, -38, -38, -38, -38, 59
543 },
545 {
546 11, -39, 39, 40, -39, -39, 41, -39, -39, -39,
547 -39, -39, -39, -39, -39, -39, -39
549 },
551 {
552 11, -40, -40, -40, -40, -40, -40, -40, -40, -40,
553 -40, -40, -40, -40, -40, -40, -40
554 },
556 {
557 11, 42, 42, 43, 42, 42, 42, 42, 42, 42,
558 42, 42, 42, 42, 42, 42, 42
559 },
561 {
562 11, 42, 42, 43, 42, 42, 42, 42, 42, 42,
563 42, 42, 42, 42, 42, 42, 42
564 },
566 {
567 11, -43, -43, -43, -43, -43, -43, -43, -43, -43,
568 -43, -43, -43, -43, -43, -43, -43
569 },
571 {
572 11, -44, -44, -44, -44, -44, -44, -44, -44, -44,
573 -44, -44, -44, 44, -44, -44, -44
575 },
577 {
578 11, 45, 45, -45, 45, 45, 45, 45, 45, 45,
579 45, 45, 45, 45, 45, 45, 45
580 },
582 {
583 11, -46, 46, 47, -46, -46, -46, -46, -46, -46,
584 -46, -46, -46, -46, -46, -46, -46
585 },
587 {
588 11, 48, -47, -47, 48, 48, 48, 48, 48, 48,
589 48, 48, 48, 48, 48, 48, 48
590 },
592 {
593 11, -48, -48, -48, -48, -48, -48, -48, -48, -48,
594 -48, -48, -48, -48, -48, -48, -48
595 },
597 {
598 11, 49, 49, 50, 49, -49, 49, 49, -49, 49,
599 49, 49, 49, 49, 49, -49, 49
601 },
603 {
604 11, -50, -50, -50, -50, -50, -50, -50, -50, -50,
605 -50, -50, -50, -50, -50, -50, -50
606 },
608 {
609 11, -51, -51, 52, -51, -51, -51, -51, -51, -51,
610 -51, -51, -51, -51, -51, -51, -51
611 },
613 {
614 11, -52, -52, -52, -52, -52, -52, -52, -52, -52,
615 -52, -52, -52, -52, -52, -52, -52
616 },
618 {
619 11, -53, -53, -53, -53, -53, -53, -53, -53, -53,
620 -53, -53, -53, -53, -53, -53, -53
621 },
623 {
624 11, 54, 54, -54, 54, 54, 54, 54, 54, 54,
625 54, 54, 54, 54, 54, 54, 54
627 },
629 {
630 11, -55, -55, -55, -55, -55, -55, -55, -55, -55,
631 -55, -55, -55, -55, -55, -55, -55
632 },
634 {
635 11, -56, -56, -56, -56, -56, -56, -56, -56, -56,
636 -56, 60, 57, 57, -56, -56, -56
637 },
639 {
640 11, -57, -57, -57, -57, -57, -57, -57, -57, -57,
641 -57, 57, 57, 57, -57, -57, -57
642 },
644 {
645 11, -58, -58, -58, -58, -58, -58, -58, -58, -58,
646 -58, -58, -58, -58, -58, -58, -58
647 },
649 {
650 11, -59, -59, -59, -59, -59, -59, -59, -59, -59,
651 -59, -59, -59, -59, -59, -59, -59
653 },
655 {
656 11, -60, -60, -60, -60, -60, -60, -60, -60, -60,
657 -60, 57, 57, 57, -60, -60, -60
658 },
660 } ;
662 static yy_state_type yy_get_previous_state (void );
663 static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
664 static int yy_get_next_buffer (void );
665 static void yy_fatal_error (yyconst char msg[] );
667 /* Done after the current pattern has been matched and before the
668 * corresponding action - sets up zconftext.
669 */
670 #define YY_DO_BEFORE_ACTION \
671 (yytext_ptr) = yy_bp; \
672 zconfleng = (size_t) (yy_cp - yy_bp); \
673 (yy_hold_char) = *yy_cp; \
674 *yy_cp = '\0'; \
675 (yy_c_buf_p) = yy_cp;
677 #define YY_NUM_RULES 33
678 #define YY_END_OF_BUFFER 34
679 /* This struct is not used in this scanner,
680 but its presence is necessary. */
681 struct yy_trans_info
682 {
683 flex_int32_t yy_verify;
684 flex_int32_t yy_nxt;
685 };
686 static yyconst flex_int16_t yy_accept[61] =
687 { 0,
688 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
689 34, 5, 4, 2, 3, 7, 8, 6, 32, 29,
690 31, 24, 28, 27, 26, 22, 17, 13, 16, 20,
691 22, 11, 12, 19, 19, 14, 22, 22, 4, 2,
692 3, 3, 1, 6, 32, 29, 31, 30, 24, 23,
693 26, 25, 15, 20, 9, 19, 19, 21, 10, 18
694 } ;
696 static yyconst flex_int32_t yy_ec[256] =
697 { 0,
698 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
699 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
700 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
701 1, 2, 4, 5, 6, 1, 1, 7, 8, 9,
702 10, 1, 1, 1, 11, 12, 12, 13, 13, 13,
703 13, 13, 13, 13, 13, 13, 13, 1, 1, 1,
704 14, 1, 1, 1, 13, 13, 13, 13, 13, 13,
705 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
706 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
707 1, 15, 1, 1, 13, 1, 13, 13, 13, 13,
709 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
710 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
711 13, 13, 1, 16, 1, 1, 1, 1, 1, 1,
712 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
713 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
714 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
715 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
716 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
717 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
718 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
720 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
721 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
722 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
723 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
724 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
725 1, 1, 1, 1, 1
726 } ;
728 extern int zconf_flex_debug;
729 int zconf_flex_debug = 0;
731 /* The intent behind this definition is that it'll catch
732 * any uses of REJECT which flex missed.
733 */
734 #define REJECT reject_used_but_not_detected
735 #define yymore() yymore_used_but_not_detected
736 #define YY_MORE_ADJ 0
737 #define YY_RESTORE_YY_MORE_OFFSET
738 char *zconftext;
740 /*
741 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
742 * Released under the terms of the GNU GPL v2.0.
743 */
745 #include <limits.h>
746 #include <stdio.h>
747 #include <stdlib.h>
748 #include <string.h>
749 #include <unistd.h>
751 #define LKC_DIRECT_LINK
752 #include "lkc.h"
754 #define START_STRSIZE 16
756 static struct {
757 struct file *file;
758 int lineno;
759 } current_pos;
761 static char *text;
762 static int text_size, text_asize;
764 struct buffer {
765 struct buffer *parent;
766 YY_BUFFER_STATE state;
767 };
769 struct buffer *current_buf;
771 static int last_ts, first_ts;
773 static void zconf_endhelp(void);
774 static void zconf_endfile(void);
776 void new_string(void)
777 {
778 text = malloc(START_STRSIZE);
779 text_asize = START_STRSIZE;
780 text_size = 0;
781 *text = 0;
782 }
784 void append_string(const char *str, int size)
785 {
786 int new_size = text_size + size + 1;
787 if (new_size > text_asize) {
788 new_size += START_STRSIZE - 1;
789 new_size &= -START_STRSIZE;
790 text = realloc(text, new_size);
791 text_asize = new_size;
792 }
793 memcpy(text + text_size, str, size);
794 text_size += size;
795 text[text_size] = 0;
796 }
798 void alloc_string(const char *str, int size)
799 {
800 text = malloc(size + 1);
801 memcpy(text, str, size);
802 text[size] = 0;
803 }
805 #define INITIAL 0
806 #define COMMAND 1
807 #define HELP 2
808 #define STRING 3
809 #define PARAM 4
811 #ifndef YY_NO_UNISTD_H
812 /* Special case for "unistd.h", since it is non-ANSI. We include it way
813 * down here because we want the user's section 1 to have been scanned first.
814 * The user has a chance to override it with an option.
815 */
816 #include <unistd.h>
817 #endif
819 #ifndef YY_EXTRA_TYPE
820 #define YY_EXTRA_TYPE void *
821 #endif
823 /* Macros after this point can all be overridden by user definitions in
824 * section 1.
825 */
827 #ifndef YY_SKIP_YYWRAP
828 #ifdef __cplusplus
829 extern "C" int zconfwrap (void );
830 #else
831 extern int zconfwrap (void );
832 #endif
833 #endif
835 static void yyunput (int c,char *buf_ptr );
837 #ifndef yytext_ptr
838 static void yy_flex_strncpy (char *,yyconst char *,int );
839 #endif
841 #ifdef YY_NEED_STRLEN
842 static int yy_flex_strlen (yyconst char * );
843 #endif
845 #ifndef YY_NO_INPUT
847 #ifdef __cplusplus
848 static int yyinput (void );
849 #else
850 static int input (void );
851 #endif
853 #endif
855 /* Amount of stuff to slurp up with each read. */
856 #ifndef YY_READ_BUF_SIZE
857 #define YY_READ_BUF_SIZE 8192
858 #endif
860 /* Copy whatever the last rule matched to the standard output. */
861 #ifndef ECHO
862 /* This used to be an fputs(), but since the string might contain NUL's,
863 * we now use fwrite().
864 */
865 #define ECHO (void) fwrite( zconftext, zconfleng, 1, zconfout )
866 #endif
868 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
869 * is returned in "result".
870 */
871 #ifndef YY_INPUT
872 #define YY_INPUT(buf,result,max_size) \
873 errno=0; \
874 while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \
875 { \
876 if( errno != EINTR) \
877 { \
878 YY_FATAL_ERROR( "input in flex scanner failed" ); \
879 break; \
880 } \
881 errno=0; \
882 clearerr(zconfin); \
883 }\
884 \
886 #endif
888 /* No semi-colon after return; correct usage is to write "yyterminate();" -
889 * we don't want an extra ';' after the "return" because that will cause
890 * some compilers to complain about unreachable statements.
891 */
892 #ifndef yyterminate
893 #define yyterminate() return YY_NULL
894 #endif
896 /* Number of entries by which start-condition stack grows. */
897 #ifndef YY_START_STACK_INCR
898 #define YY_START_STACK_INCR 25
899 #endif
901 /* Report a fatal error. */
902 #ifndef YY_FATAL_ERROR
903 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
904 #endif
906 /* end tables serialization structures and prototypes */
908 /* Default declaration of generated scanner - a define so the user can
909 * easily add parameters.
910 */
911 #ifndef YY_DECL
912 #define YY_DECL_IS_OURS 1
914 extern int zconflex (void);
916 #define YY_DECL int zconflex (void)
917 #endif /* !YY_DECL */
919 /* Code executed at the beginning of each rule, after zconftext and zconfleng
920 * have been set up.
921 */
922 #ifndef YY_USER_ACTION
923 #define YY_USER_ACTION
924 #endif
926 /* Code executed at the end of each rule. */
927 #ifndef YY_BREAK
928 #define YY_BREAK break;
929 #endif
931 #define YY_RULE_SETUP \
932 YY_USER_ACTION
934 /** The main scanner function which does all the work.
935 */
936 YY_DECL
937 {
938 register yy_state_type yy_current_state;
939 register char *yy_cp, *yy_bp;
940 register int yy_act;
942 int str = 0;
943 int ts, i;
945 if ( (yy_init) )
946 {
947 (yy_init) = 0;
949 #ifdef YY_USER_INIT
950 YY_USER_INIT;
951 #endif
953 if ( ! (yy_start) )
954 (yy_start) = 1; /* first start state */
956 if ( ! zconfin )
957 zconfin = stdin;
959 if ( ! zconfout )
960 zconfout = stdout;
962 if ( ! YY_CURRENT_BUFFER ) {
963 zconfensure_buffer_stack ();
964 YY_CURRENT_BUFFER_LVALUE =
965 zconf_create_buffer(zconfin,YY_BUF_SIZE );
966 }
968 zconf_load_buffer_state( );
969 }
971 while ( 1 ) /* loops until end-of-file is reached */
972 {
973 yy_cp = (yy_c_buf_p);
975 /* Support of zconftext. */
976 *yy_cp = (yy_hold_char);
978 /* yy_bp points to the position in yy_ch_buf of the start of
979 * the current run.
980 */
981 yy_bp = yy_cp;
983 yy_current_state = (yy_start);
984 yy_match:
985 while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)] ]) > 0 )
986 ++yy_cp;
988 yy_current_state = -yy_current_state;
990 yy_find_action:
991 yy_act = yy_accept[yy_current_state];
993 YY_DO_BEFORE_ACTION;
995 do_action: /* This label is used only to access EOF actions. */
997 switch ( yy_act )
998 { /* beginning of action switch */
999 case 1:
1000 /* rule 1 can match eol */
1001 case 2:
1002 /* rule 2 can match eol */
1003 YY_RULE_SETUP
1004 {
1005 current_file->lineno++;
1006 return T_EOL;
1007 }
1008 YY_BREAK
1009 case 3:
1010 YY_RULE_SETUP
1012 YY_BREAK
1013 case 4:
1014 YY_RULE_SETUP
1015 {
1016 BEGIN(COMMAND);
1017 }
1018 YY_BREAK
1019 case 5:
1020 YY_RULE_SETUP
1021 {
1022 unput(zconftext[0]);
1023 BEGIN(COMMAND);
1024 }
1025 YY_BREAK
1027 case 6:
1028 YY_RULE_SETUP
1029 {
1030 struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
1031 BEGIN(PARAM);
1032 current_pos.file = current_file;
1033 current_pos.lineno = current_file->lineno;
1034 if (id && id->flags & TF_COMMAND) {
1035 zconflval.id = id;
1036 return id->token;
1037 }
1038 alloc_string(zconftext, zconfleng);
1039 zconflval.string = text;
1040 return T_WORD;
1041 }
1042 YY_BREAK
1043 case 7:
1044 YY_RULE_SETUP
1046 YY_BREAK
1047 case 8:
1048 /* rule 8 can match eol */
1049 YY_RULE_SETUP
1050 {
1051 BEGIN(INITIAL);
1052 current_file->lineno++;
1053 return T_EOL;
1054 }
1055 YY_BREAK
1057 case 9:
1058 YY_RULE_SETUP
1059 return T_AND;
1060 YY_BREAK
1061 case 10:
1062 YY_RULE_SETUP
1063 return T_OR;
1064 YY_BREAK
1065 case 11:
1066 YY_RULE_SETUP
1067 return T_OPEN_PAREN;
1068 YY_BREAK
1069 case 12:
1070 YY_RULE_SETUP
1071 return T_CLOSE_PAREN;
1072 YY_BREAK
1073 case 13:
1074 YY_RULE_SETUP
1075 return T_NOT;
1076 YY_BREAK
1077 case 14:
1078 YY_RULE_SETUP
1079 return T_EQUAL;
1080 YY_BREAK
1081 case 15:
1082 YY_RULE_SETUP
1083 return T_UNEQUAL;
1084 YY_BREAK
1085 case 16:
1086 YY_RULE_SETUP
1087 {
1088 str = zconftext[0];
1089 new_string();
1090 BEGIN(STRING);
1091 }
1092 YY_BREAK
1093 case 17:
1094 /* rule 17 can match eol */
1095 YY_RULE_SETUP
1096 BEGIN(INITIAL); current_file->lineno++; return T_EOL;
1097 YY_BREAK
1098 case 18:
1099 YY_RULE_SETUP
1100 /* ignore */
1101 YY_BREAK
1102 case 19:
1103 YY_RULE_SETUP
1104 {
1105 struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
1106 if (id && id->flags & TF_PARAM) {
1107 zconflval.id = id;
1108 return id->token;
1109 }
1110 alloc_string(zconftext, zconfleng);
1111 zconflval.string = text;
1112 return T_WORD;
1113 }
1114 YY_BREAK
1115 case 20:
1116 YY_RULE_SETUP
1117 /* comment */
1118 YY_BREAK
1119 case 21:
1120 /* rule 21 can match eol */
1121 YY_RULE_SETUP
1122 current_file->lineno++;
1123 YY_BREAK
1124 case 22:
1125 YY_RULE_SETUP
1127 YY_BREAK
1128 case YY_STATE_EOF(PARAM):
1129 {
1130 BEGIN(INITIAL);
1131 }
1132 YY_BREAK
1134 case 23:
1135 /* rule 23 can match eol */
1136 *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
1137 (yy_c_buf_p) = yy_cp -= 1;
1138 YY_DO_BEFORE_ACTION; /* set up zconftext again */
1139 YY_RULE_SETUP
1140 {
1141 append_string(zconftext, zconfleng);
1142 zconflval.string = text;
1143 return T_WORD_QUOTE;
1144 }
1145 YY_BREAK
1146 case 24:
1147 YY_RULE_SETUP
1148 {
1149 append_string(zconftext, zconfleng);
1150 }
1151 YY_BREAK
1152 case 25:
1153 /* rule 25 can match eol */
1154 *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
1155 (yy_c_buf_p) = yy_cp -= 1;
1156 YY_DO_BEFORE_ACTION; /* set up zconftext again */
1157 YY_RULE_SETUP
1158 {
1159 append_string(zconftext + 1, zconfleng - 1);
1160 zconflval.string = text;
1161 return T_WORD_QUOTE;
1162 }
1163 YY_BREAK
1164 case 26:
1165 YY_RULE_SETUP
1166 {
1167 append_string(zconftext + 1, zconfleng - 1);
1168 }
1169 YY_BREAK
1170 case 27:
1171 YY_RULE_SETUP
1172 {
1173 if (str == zconftext[0]) {
1174 BEGIN(PARAM);
1175 zconflval.string = text;
1176 return T_WORD_QUOTE;
1177 } else
1178 append_string(zconftext, 1);
1179 }
1180 YY_BREAK
1181 case 28:
1182 /* rule 28 can match eol */
1183 YY_RULE_SETUP
1184 {
1185 printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
1186 current_file->lineno++;
1187 BEGIN(INITIAL);
1188 return T_EOL;
1189 }
1190 YY_BREAK
1191 case YY_STATE_EOF(STRING):
1192 {
1193 BEGIN(INITIAL);
1194 }
1195 YY_BREAK
1197 case 29:
1198 YY_RULE_SETUP
1199 {
1200 ts = 0;
1201 for (i = 0; i < zconfleng; i++) {
1202 if (zconftext[i] == '\t')
1203 ts = (ts & ~7) + 8;
1204 else
1205 ts++;
1206 }
1207 last_ts = ts;
1208 if (first_ts) {
1209 if (ts < first_ts) {
1210 zconf_endhelp();
1211 return T_HELPTEXT;
1212 }
1213 ts -= first_ts;
1214 while (ts > 8) {
1215 append_string(" ", 8);
1216 ts -= 8;
1217 }
1218 append_string(" ", ts);
1219 }
1220 }
1221 YY_BREAK
1222 case 30:
1223 /* rule 30 can match eol */
1224 *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
1225 (yy_c_buf_p) = yy_cp -= 1;
1226 YY_DO_BEFORE_ACTION; /* set up zconftext again */
1227 YY_RULE_SETUP
1228 {
1229 current_file->lineno++;
1230 zconf_endhelp();
1231 return T_HELPTEXT;
1232 }
1233 YY_BREAK
1234 case 31:
1235 /* rule 31 can match eol */
1236 YY_RULE_SETUP
1237 {
1238 current_file->lineno++;
1239 append_string("\n", 1);
1240 }
1241 YY_BREAK
1242 case 32:
1243 YY_RULE_SETUP
1244 {
1245 append_string(zconftext, zconfleng);
1246 if (!first_ts)
1247 first_ts = last_ts;
1248 }
1249 YY_BREAK
1250 case YY_STATE_EOF(HELP):
1251 {
1252 zconf_endhelp();
1253 return T_HELPTEXT;
1254 }
1255 YY_BREAK
1257 case YY_STATE_EOF(INITIAL):
1258 case YY_STATE_EOF(COMMAND):
1259 {
1260 if (current_file) {
1261 zconf_endfile();
1262 return T_EOL;
1263 }
1264 fclose(zconfin);
1265 yyterminate();
1266 }
1267 YY_BREAK
1268 case 33:
1269 YY_RULE_SETUP
1270 YY_FATAL_ERROR( "flex scanner jammed" );
1271 YY_BREAK
1273 case YY_END_OF_BUFFER:
1274 {
1275 /* Amount of text matched not including the EOB char. */
1276 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
1278 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1279 *yy_cp = (yy_hold_char);
1280 YY_RESTORE_YY_MORE_OFFSET
1282 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1283 {
1284 /* We're scanning a new file or input source. It's
1285 * possible that this happened because the user
1286 * just pointed zconfin at a new source and called
1287 * zconflex(). If so, then we have to assure
1288 * consistency between YY_CURRENT_BUFFER and our
1289 * globals. Here is the right place to do so, because
1290 * this is the first action (other than possibly a
1291 * back-up) that will match for the new input source.
1292 */
1293 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1294 YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin;
1295 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1296 }
1298 /* Note that here we test for yy_c_buf_p "<=" to the position
1299 * of the first EOB in the buffer, since yy_c_buf_p will
1300 * already have been incremented past the NUL character
1301 * (since all states make transitions on EOB to the
1302 * end-of-buffer state). Contrast this with the test
1303 * in input().
1304 */
1305 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1306 { /* This was really a NUL. */
1307 yy_state_type yy_next_state;
1309 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1311 yy_current_state = yy_get_previous_state( );
1313 /* Okay, we're now positioned to make the NUL
1314 * transition. We couldn't have
1315 * yy_get_previous_state() go ahead and do it
1316 * for us because it doesn't know how to deal
1317 * with the possibility of jamming (and we don't
1318 * want to build jamming into it because then it
1319 * will run more slowly).
1320 */
1322 yy_next_state = yy_try_NUL_trans( yy_current_state );
1324 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1326 if ( yy_next_state )
1327 {
1328 /* Consume the NUL. */
1329 yy_cp = ++(yy_c_buf_p);
1330 yy_current_state = yy_next_state;
1331 goto yy_match;
1332 }
1334 else
1335 {
1336 yy_cp = (yy_c_buf_p);
1337 goto yy_find_action;
1338 }
1339 }
1341 else switch ( yy_get_next_buffer( ) )
1342 {
1343 case EOB_ACT_END_OF_FILE:
1344 {
1345 (yy_did_buffer_switch_on_eof) = 0;
1347 if ( zconfwrap( ) )
1348 {
1349 /* Note: because we've taken care in
1350 * yy_get_next_buffer() to have set up
1351 * zconftext, we can now set up
1352 * yy_c_buf_p so that if some total
1353 * hoser (like flex itself) wants to
1354 * call the scanner after we return the
1355 * YY_NULL, it'll still work - another
1356 * YY_NULL will get returned.
1357 */
1358 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1360 yy_act = YY_STATE_EOF(YY_START);
1361 goto do_action;
1362 }
1364 else
1365 {
1366 if ( ! (yy_did_buffer_switch_on_eof) )
1367 YY_NEW_FILE;
1368 }
1369 break;
1370 }
1372 case EOB_ACT_CONTINUE_SCAN:
1373 (yy_c_buf_p) =
1374 (yytext_ptr) + yy_amount_of_matched_text;
1376 yy_current_state = yy_get_previous_state( );
1378 yy_cp = (yy_c_buf_p);
1379 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1380 goto yy_match;
1382 case EOB_ACT_LAST_MATCH:
1383 (yy_c_buf_p) =
1384 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1386 yy_current_state = yy_get_previous_state( );
1388 yy_cp = (yy_c_buf_p);
1389 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1390 goto yy_find_action;
1391 }
1392 break;
1393 }
1395 default:
1396 YY_FATAL_ERROR(
1397 "fatal flex scanner internal error--no action found" );
1398 } /* end of action switch */
1399 } /* end of scanning one token */
1400 } /* end of zconflex */
1402 /* yy_get_next_buffer - try to read in a new buffer
1403 *
1404 * Returns a code representing an action:
1405 * EOB_ACT_LAST_MATCH -
1406 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1407 * EOB_ACT_END_OF_FILE - end of file
1408 */
1409 static int yy_get_next_buffer (void)
1410 {
1411 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1412 register char *source = (yytext_ptr);
1413 register int number_to_move, i;
1414 int ret_val;
1416 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
1417 YY_FATAL_ERROR(
1418 "fatal flex scanner internal error--end of buffer missed" );
1420 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
1421 { /* Don't try to fill the buffer, so this is an EOF. */
1422 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
1423 {
1424 /* We matched a single character, the EOB, so
1425 * treat this as a final EOF.
1426 */
1427 return EOB_ACT_END_OF_FILE;
1428 }
1430 else
1431 {
1432 /* We matched some text prior to the EOB, first
1433 * process it.
1434 */
1435 return EOB_ACT_LAST_MATCH;
1436 }
1437 }
1439 /* Try to read more data. */
1441 /* First move last chars to start of buffer. */
1442 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
1444 for ( i = 0; i < number_to_move; ++i )
1445 *(dest++) = *(source++);
1447 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1448 /* don't do the read, it's not guaranteed to return an EOF,
1449 * just force an EOF
1450 */
1451 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
1453 else
1454 {
1455 size_t num_to_read =
1456 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1458 while ( num_to_read <= 0 )
1459 { /* Not enough room in the buffer - grow it. */
1461 /* just a shorter name for the current buffer */
1462 YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
1464 int yy_c_buf_p_offset =
1465 (int) ((yy_c_buf_p) - b->yy_ch_buf);
1467 if ( b->yy_is_our_buffer )
1468 {
1469 int new_size = b->yy_buf_size * 2;
1471 if ( new_size <= 0 )
1472 b->yy_buf_size += b->yy_buf_size / 8;
1473 else
1474 b->yy_buf_size *= 2;
1476 b->yy_ch_buf = (char *)
1477 /* Include room in for 2 EOB chars. */
1478 zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1479 }
1480 else
1481 /* Can't grow it, we don't own it. */
1482 b->yy_ch_buf = 0;
1484 if ( ! b->yy_ch_buf )
1485 YY_FATAL_ERROR(
1486 "fatal error - scanner input buffer overflow" );
1488 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1490 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1491 number_to_move - 1;
1493 }
1495 if ( num_to_read > YY_READ_BUF_SIZE )
1496 num_to_read = YY_READ_BUF_SIZE;
1498 /* Read in more data. */
1499 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1500 (yy_n_chars), num_to_read );
1502 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1503 }
1505 if ( (yy_n_chars) == 0 )
1506 {
1507 if ( number_to_move == YY_MORE_ADJ )
1508 {
1509 ret_val = EOB_ACT_END_OF_FILE;
1510 zconfrestart(zconfin );
1511 }
1513 else
1514 {
1515 ret_val = EOB_ACT_LAST_MATCH;
1516 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1517 YY_BUFFER_EOF_PENDING;
1518 }
1519 }
1521 else
1522 ret_val = EOB_ACT_CONTINUE_SCAN;
1524 (yy_n_chars) += number_to_move;
1525 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1526 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1528 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1530 return ret_val;
1531 }
1533 /* yy_get_previous_state - get the state just before the EOB char was reached */
1535 static yy_state_type yy_get_previous_state (void)
1536 {
1537 register yy_state_type yy_current_state;
1538 register char *yy_cp;
1540 yy_current_state = (yy_start);
1542 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1543 {
1544 yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
1545 }
1547 return yy_current_state;
1548 }
1550 /* yy_try_NUL_trans - try to make a transition on the NUL character
1551 *
1552 * synopsis
1553 * next_state = yy_try_NUL_trans( current_state );
1554 */
1555 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1556 {
1557 register int yy_is_jam;
1559 yy_current_state = yy_nxt[yy_current_state][1];
1560 yy_is_jam = (yy_current_state <= 0);
1562 return yy_is_jam ? 0 : yy_current_state;
1563 }
1565 static void yyunput (int c, register char * yy_bp )
1566 {
1567 register char *yy_cp;
1569 yy_cp = (yy_c_buf_p);
1571 /* undo effects of setting up zconftext */
1572 *yy_cp = (yy_hold_char);
1574 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
1575 { /* need to shift things up to make room */
1576 /* +2 for EOB chars. */
1577 register int number_to_move = (yy_n_chars) + 2;
1578 register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
1579 YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
1580 register char *source =
1581 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
1583 while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1584 *--dest = *--source;
1586 yy_cp += (int) (dest - source);
1587 yy_bp += (int) (dest - source);
1588 YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
1589 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
1591 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
1592 YY_FATAL_ERROR( "flex scanner push-back overflow" );
1593 }
1595 *--yy_cp = (char) c;
1597 (yytext_ptr) = yy_bp;
1598 (yy_hold_char) = *yy_cp;
1599 (yy_c_buf_p) = yy_cp;
1600 }
1602 #ifndef YY_NO_INPUT
1603 #ifdef __cplusplus
1604 static int yyinput (void)
1605 #else
1606 static int input (void)
1607 #endif
1609 {
1610 int c;
1612 *(yy_c_buf_p) = (yy_hold_char);
1614 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1615 {
1616 /* yy_c_buf_p now points to the character we want to return.
1617 * If this occurs *before* the EOB characters, then it's a
1618 * valid NUL; if not, then we've hit the end of the buffer.
1619 */
1620 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1621 /* This was really a NUL. */
1622 *(yy_c_buf_p) = '\0';
1624 else
1625 { /* need more input */
1626 int offset = (yy_c_buf_p) - (yytext_ptr);
1627 ++(yy_c_buf_p);
1629 switch ( yy_get_next_buffer( ) )
1630 {
1631 case EOB_ACT_LAST_MATCH:
1632 /* This happens because yy_g_n_b()
1633 * sees that we've accumulated a
1634 * token and flags that we need to
1635 * try matching the token before
1636 * proceeding. But for input(),
1637 * there's no matching to consider.
1638 * So convert the EOB_ACT_LAST_MATCH
1639 * to EOB_ACT_END_OF_FILE.
1640 */
1642 /* Reset buffer status. */
1643 zconfrestart(zconfin );
1645 /*FALLTHROUGH*/
1647 case EOB_ACT_END_OF_FILE:
1648 {
1649 if ( zconfwrap( ) )
1650 return EOF;
1652 if ( ! (yy_did_buffer_switch_on_eof) )
1653 YY_NEW_FILE;
1654 #ifdef __cplusplus
1655 return yyinput();
1656 #else
1657 return input();
1658 #endif
1659 }
1661 case EOB_ACT_CONTINUE_SCAN:
1662 (yy_c_buf_p) = (yytext_ptr) + offset;
1663 break;
1664 }
1665 }
1666 }
1668 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1669 *(yy_c_buf_p) = '\0'; /* preserve zconftext */
1670 (yy_hold_char) = *++(yy_c_buf_p);
1672 return c;
1673 }
1674 #endif /* ifndef YY_NO_INPUT */
1676 /** Immediately switch to a different input stream.
1677 * @param input_file A readable stream.
1678 *
1679 * @note This function does not reset the start condition to @c INITIAL .
1680 */
1681 void zconfrestart (FILE * input_file )
1682 {
1684 if ( ! YY_CURRENT_BUFFER ){
1685 zconfensure_buffer_stack ();
1686 YY_CURRENT_BUFFER_LVALUE =
1687 zconf_create_buffer(zconfin,YY_BUF_SIZE );
1688 }
1690 zconf_init_buffer(YY_CURRENT_BUFFER,input_file );
1691 zconf_load_buffer_state( );
1692 }
1694 /** Switch to a different input buffer.
1695 * @param new_buffer The new input buffer.
1696 *
1697 */
1698 void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1699 {
1701 /* TODO. We should be able to replace this entire function body
1702 * with
1703 * zconfpop_buffer_state();
1704 * zconfpush_buffer_state(new_buffer);
1705 */
1706 zconfensure_buffer_stack ();
1707 if ( YY_CURRENT_BUFFER == new_buffer )
1708 return;
1710 if ( YY_CURRENT_BUFFER )
1711 {
1712 /* Flush out information for old buffer. */
1713 *(yy_c_buf_p) = (yy_hold_char);
1714 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1715 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1716 }
1718 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1719 zconf_load_buffer_state( );
1721 /* We don't actually know whether we did this switch during
1722 * EOF (zconfwrap()) processing, but the only time this flag
1723 * is looked at is after zconfwrap() is called, so it's safe
1724 * to go ahead and always set it.
1725 */
1726 (yy_did_buffer_switch_on_eof) = 1;
1727 }
1729 static void zconf_load_buffer_state (void)
1730 {
1731 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1732 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1733 zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1734 (yy_hold_char) = *(yy_c_buf_p);
1735 }
1737 /** Allocate and initialize an input buffer state.
1738 * @param file A readable stream.
1739 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1740 *
1741 * @return the allocated buffer state.
1742 */
1743 YY_BUFFER_STATE zconf_create_buffer (FILE * file, int size )
1744 {
1745 YY_BUFFER_STATE b;
1747 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) );
1748 if ( ! b )
1749 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
1751 b->yy_buf_size = size;
1753 /* yy_ch_buf has to be 2 characters longer than the size given because
1754 * we need to put in 2 end-of-buffer characters.
1755 */
1756 b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2 );
1757 if ( ! b->yy_ch_buf )
1758 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
1760 b->yy_is_our_buffer = 1;
1762 zconf_init_buffer(b,file );
1764 return b;
1765 }
1767 /** Destroy the buffer.
1768 * @param b a buffer created with zconf_create_buffer()
1769 *
1770 */
1771 void zconf_delete_buffer (YY_BUFFER_STATE b )
1772 {
1774 if ( ! b )
1775 return;
1777 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1778 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1780 if ( b->yy_is_our_buffer )
1781 zconffree((void *) b->yy_ch_buf );
1783 zconffree((void *) b );
1784 }
1786 /* Initializes or reinitializes a buffer.
1787 * This function is sometimes called more than once on the same buffer,
1788 * such as during a zconfrestart() or at EOF.
1789 */
1790 static void zconf_init_buffer (YY_BUFFER_STATE b, FILE * file )
1792 {
1793 int oerrno = errno;
1795 zconf_flush_buffer(b );
1797 b->yy_input_file = file;
1798 b->yy_fill_buffer = 1;
1800 /* If b is the current buffer, then zconf_init_buffer was _probably_
1801 * called from zconfrestart() or through yy_get_next_buffer.
1802 * In that case, we don't want to reset the lineno or column.
1803 */
1804 if (b != YY_CURRENT_BUFFER){
1805 b->yy_bs_lineno = 1;
1806 b->yy_bs_column = 0;
1807 }
1809 b->yy_is_interactive = 0;
1811 errno = oerrno;
1812 }
1814 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1815 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1816 *
1817 */
1818 void zconf_flush_buffer (YY_BUFFER_STATE b )
1819 {
1820 if ( ! b )
1821 return;
1823 b->yy_n_chars = 0;
1825 /* We always need two end-of-buffer characters. The first causes
1826 * a transition to the end-of-buffer state. The second causes
1827 * a jam in that state.
1828 */
1829 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1830 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1832 b->yy_buf_pos = &b->yy_ch_buf[0];
1834 b->yy_at_bol = 1;
1835 b->yy_buffer_status = YY_BUFFER_NEW;
1837 if ( b == YY_CURRENT_BUFFER )
1838 zconf_load_buffer_state( );
1839 }
1841 /** Pushes the new state onto the stack. The new state becomes
1842 * the current state. This function will allocate the stack
1843 * if necessary.
1844 * @param new_buffer The new state.
1845 *
1846 */
1847 void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer )
1848 {
1849 if (new_buffer == NULL)
1850 return;
1852 zconfensure_buffer_stack();
1854 /* This block is copied from zconf_switch_to_buffer. */
1855 if ( YY_CURRENT_BUFFER )
1856 {
1857 /* Flush out information for old buffer. */
1858 *(yy_c_buf_p) = (yy_hold_char);
1859 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1860 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1861 }
1863 /* Only push if top exists. Otherwise, replace top. */
1864 if (YY_CURRENT_BUFFER)
1865 (yy_buffer_stack_top)++;
1866 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1868 /* copied from zconf_switch_to_buffer. */
1869 zconf_load_buffer_state( );
1870 (yy_did_buffer_switch_on_eof) = 1;
1871 }
1873 /** Removes and deletes the top of the stack, if present.
1874 * The next element becomes the new top.
1875 *
1876 */
1877 void zconfpop_buffer_state (void)
1878 {
1879 if (!YY_CURRENT_BUFFER)
1880 return;
1882 zconf_delete_buffer(YY_CURRENT_BUFFER );
1883 YY_CURRENT_BUFFER_LVALUE = NULL;
1884 if ((yy_buffer_stack_top) > 0)
1885 --(yy_buffer_stack_top);
1887 if (YY_CURRENT_BUFFER) {
1888 zconf_load_buffer_state( );
1889 (yy_did_buffer_switch_on_eof) = 1;
1890 }
1891 }
1893 /* Allocates the stack if it does not exist.
1894 * Guarantees space for at least one push.
1895 */
1896 static void zconfensure_buffer_stack (void)
1897 {
1898 int num_to_alloc;
1900 if (!(yy_buffer_stack)) {
1902 /* First allocation is just for 2 elements, since we don't know if this
1903 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1904 * immediate realloc on the next call.
1905 */
1906 num_to_alloc = 1;
1907 (yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc
1908 (num_to_alloc * sizeof(struct yy_buffer_state*)
1909 );
1911 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1913 (yy_buffer_stack_max) = num_to_alloc;
1914 (yy_buffer_stack_top) = 0;
1915 return;
1916 }
1918 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1920 /* Increase the buffer to prepare for a possible push. */
1921 int grow_size = 8 /* arbitrary grow size */;
1923 num_to_alloc = (yy_buffer_stack_max) + grow_size;
1924 (yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc
1925 ((yy_buffer_stack),
1926 num_to_alloc * sizeof(struct yy_buffer_state*)
1927 );
1929 /* zero only the new slots.*/
1930 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1931 (yy_buffer_stack_max) = num_to_alloc;
1932 }
1933 }
1935 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1936 * @param base the character buffer
1937 * @param size the size in bytes of the character buffer
1938 *
1939 * @return the newly allocated buffer state object.
1940 */
1941 YY_BUFFER_STATE zconf_scan_buffer (char * base, yy_size_t size )
1942 {
1943 YY_BUFFER_STATE b;
1945 if ( size < 2 ||
1946 base[size-2] != YY_END_OF_BUFFER_CHAR ||
1947 base[size-1] != YY_END_OF_BUFFER_CHAR )
1948 /* They forgot to leave room for the EOB's. */
1949 return 0;
1951 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) );
1952 if ( ! b )
1953 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" );
1955 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1956 b->yy_buf_pos = b->yy_ch_buf = base;
1957 b->yy_is_our_buffer = 0;
1958 b->yy_input_file = 0;
1959 b->yy_n_chars = b->yy_buf_size;
1960 b->yy_is_interactive = 0;
1961 b->yy_at_bol = 1;
1962 b->yy_fill_buffer = 0;
1963 b->yy_buffer_status = YY_BUFFER_NEW;
1965 zconf_switch_to_buffer(b );
1967 return b;
1968 }
1970 /** Setup the input buffer state to scan a string. The next call to zconflex() will
1971 * scan from a @e copy of @a str.
1972 * @param yy_str a NUL-terminated string to scan
1973 *
1974 * @return the newly allocated buffer state object.
1975 * @note If you want to scan bytes that may contain NUL values, then use
1976 * zconf_scan_bytes() instead.
1977 */
1978 YY_BUFFER_STATE zconf_scan_string (yyconst char * yy_str )
1979 {
1981 return zconf_scan_bytes(yy_str,strlen(yy_str) );
1982 }
1984 /** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
1985 * scan from a @e copy of @a bytes.
1986 * @param bytes the byte buffer to scan
1987 * @param len the number of bytes in the buffer pointed to by @a bytes.
1988 *
1989 * @return the newly allocated buffer state object.
1990 */
1991 YY_BUFFER_STATE zconf_scan_bytes (yyconst char * bytes, int len )
1992 {
1993 YY_BUFFER_STATE b;
1994 char *buf;
1995 yy_size_t n;
1996 int i;
1998 /* Get memory for full buffer, including space for trailing EOB's. */
1999 n = len + 2;
2000 buf = (char *) zconfalloc(n );
2001 if ( ! buf )
2002 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );
2004 for ( i = 0; i < len; ++i )
2005 buf[i] = bytes[i];
2007 buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
2009 b = zconf_scan_buffer(buf,n );
2010 if ( ! b )
2011 YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" );
2013 /* It's okay to grow etc. this buffer, and we should throw it
2014 * away when we're done.
2015 */
2016 b->yy_is_our_buffer = 1;
2018 return b;
2019 }
2021 #ifndef YY_EXIT_FAILURE
2022 #define YY_EXIT_FAILURE 2
2023 #endif
2025 static void yy_fatal_error (yyconst char* msg )
2026 {
2027 (void) fprintf( stderr, "%s\n", msg );
2028 exit( YY_EXIT_FAILURE );
2029 }
2031 /* Redefine yyless() so it works in section 3 code. */
2033 #undef yyless
2034 #define yyless(n) \
2035 do \
2036 { \
2037 /* Undo effects of setting up zconftext. */ \
2038 int yyless_macro_arg = (n); \
2039 YY_LESS_LINENO(yyless_macro_arg);\
2040 zconftext[zconfleng] = (yy_hold_char); \
2041 (yy_c_buf_p) = zconftext + yyless_macro_arg; \
2042 (yy_hold_char) = *(yy_c_buf_p); \
2043 *(yy_c_buf_p) = '\0'; \
2044 zconfleng = yyless_macro_arg; \
2045 } \
2046 while ( 0 )
2048 /* Accessor methods (get/set functions) to struct members. */
2050 /** Get the current line number.
2051 *
2052 */
2053 int zconfget_lineno (void)
2054 {
2056 return zconflineno;
2057 }
2059 /** Get the input stream.
2060 *
2061 */
2062 FILE *zconfget_in (void)
2063 {
2064 return zconfin;
2065 }
2067 /** Get the output stream.
2068 *
2069 */
2070 FILE *zconfget_out (void)
2071 {
2072 return zconfout;
2073 }
2075 /** Get the length of the current token.
2076 *
2077 */
2078 int zconfget_leng (void)
2079 {
2080 return zconfleng;
2081 }
2083 /** Get the current token.
2084 *
2085 */
2087 char *zconfget_text (void)
2088 {
2089 return zconftext;
2090 }
2092 /** Set the current line number.
2093 * @param line_number
2094 *
2095 */
2096 void zconfset_lineno (int line_number )
2097 {
2099 zconflineno = line_number;
2100 }
2102 /** Set the input stream. This does not discard the current
2103 * input buffer.
2104 * @param in_str A readable stream.
2105 *
2106 * @see zconf_switch_to_buffer
2107 */
2108 void zconfset_in (FILE * in_str )
2109 {
2110 zconfin = in_str ;
2111 }
2113 void zconfset_out (FILE * out_str )
2114 {
2115 zconfout = out_str ;
2116 }
2118 int zconfget_debug (void)
2119 {
2120 return zconf_flex_debug;
2121 }
2123 void zconfset_debug (int bdebug )
2124 {
2125 zconf_flex_debug = bdebug ;
2126 }
2128 /* zconflex_destroy is for both reentrant and non-reentrant scanners. */
2129 int zconflex_destroy (void)
2130 {
2132 /* Pop the buffer stack, destroying each element. */
2133 while(YY_CURRENT_BUFFER){
2134 zconf_delete_buffer(YY_CURRENT_BUFFER );
2135 YY_CURRENT_BUFFER_LVALUE = NULL;
2136 zconfpop_buffer_state();
2137 }
2139 /* Destroy the stack itself. */
2140 zconffree((yy_buffer_stack) );
2141 (yy_buffer_stack) = NULL;
2143 return 0;
2144 }
2146 /*
2147 * Internal utility routines.
2148 */
2150 #ifndef yytext_ptr
2151 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
2152 {
2153 register int i;
2154 for ( i = 0; i < n; ++i )
2155 s1[i] = s2[i];
2156 }
2157 #endif
2159 #ifdef YY_NEED_STRLEN
2160 static int yy_flex_strlen (yyconst char * s )
2161 {
2162 register int n;
2163 for ( n = 0; s[n]; ++n )
2164 ;
2166 return n;
2167 }
2168 #endif
2170 void *zconfalloc (yy_size_t size )
2171 {
2172 return (void *) malloc( size );
2173 }
2175 void *zconfrealloc (void * ptr, yy_size_t size )
2176 {
2177 /* The cast to (char *) in the following accommodates both
2178 * implementations that use char* generic pointers, and those
2179 * that use void* generic pointers. It works with the latter
2180 * because both ANSI C and C++ allow castless assignment from
2181 * any pointer type to void*, and deal with argument conversions
2182 * as though doing an assignment.
2183 */
2184 return (void *) realloc( (char *) ptr, size );
2185 }
2187 void zconffree (void * ptr )
2188 {
2189 free( (char *) ptr ); /* see zconfrealloc() for (char *) cast */
2190 }
2192 #define YYTABLES_NAME "yytables"
2194 #undef YY_NEW_FILE
2195 #undef YY_FLUSH_BUFFER
2196 #undef yy_set_bol
2197 #undef yy_new_buffer
2198 #undef yy_set_interactive
2199 #undef yytext_ptr
2200 #undef YY_DO_BEFORE_ACTION
2202 #ifdef YY_DECL_IS_OURS
2203 #undef YY_DECL_IS_OURS
2204 #undef YY_DECL
2205 #endif
2207 void zconf_starthelp(void)
2208 {
2209 new_string();
2210 last_ts = first_ts = 0;
2211 BEGIN(HELP);
2212 }
2214 static void zconf_endhelp(void)
2215 {
2216 zconflval.string = text;
2217 BEGIN(INITIAL);
2218 }
2220 /*
2221 * Try to open specified file with following names:
2222 * ./name
2223 * $(srctree)/name
2224 * The latter is used when srctree is separate from objtree
2225 * when compiling the kernel.
2226 * Return NULL if file is not found.
2227 */
2228 FILE *zconf_fopen(const char *name)
2229 {
2230 char *env, fullname[PATH_MAX+1];
2231 FILE *f;
2233 f = fopen(name, "r");
2234 if (!f && name[0] != '/') {
2235 env = getenv(SRCTREE);
2236 if (env) {
2237 sprintf(fullname, "%s/%s", env, name);
2238 f = fopen(fullname, "r");
2239 }
2240 }
2241 return f;
2242 }
2244 void zconf_initscan(const char *name)
2245 {
2246 zconfin = zconf_fopen(name);
2247 if (!zconfin) {
2248 printf("can't find file %s\n", name);
2249 exit(1);
2250 }
2252 current_buf = malloc(sizeof(*current_buf));
2253 memset(current_buf, 0, sizeof(*current_buf));
2255 current_file = file_lookup(name);
2256 current_file->lineno = 1;
2257 current_file->flags = FILE_BUSY;
2258 }
2260 void zconf_nextfile(const char *name)
2261 {
2262 struct file *file = file_lookup(name);
2263 struct buffer *buf = malloc(sizeof(*buf));
2264 memset(buf, 0, sizeof(*buf));
2266 current_buf->state = YY_CURRENT_BUFFER;
2267 zconfin = zconf_fopen(name);
2268 if (!zconfin) {
2269 printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
2270 exit(1);
2271 }
2272 zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
2273 buf->parent = current_buf;
2274 current_buf = buf;
2276 if (file->flags & FILE_BUSY) {
2277 printf("recursive scan (%s)?\n", name);
2278 exit(1);
2279 }
2280 if (file->flags & FILE_SCANNED) {
2281 printf("file %s already scanned?\n", name);
2282 exit(1);
2283 }
2284 file->flags |= FILE_BUSY;
2285 file->lineno = 1;
2286 file->parent = current_file;
2287 current_file = file;
2288 }
2290 static void zconf_endfile(void)
2291 {
2292 struct buffer *parent;
2294 current_file->flags |= FILE_SCANNED;
2295 current_file->flags &= ~FILE_BUSY;
2296 current_file = current_file->parent;
2298 parent = current_buf->parent;
2299 if (parent) {
2300 fclose(zconfin);
2301 zconf_delete_buffer(YY_CURRENT_BUFFER);
2302 zconf_switch_to_buffer(parent->state);
2303 }
2304 free(current_buf);
2305 current_buf = parent;
2306 }
2308 int zconf_lineno(void)
2309 {
2310 return current_pos.lineno;
2311 }
2313 char *zconf_curname(void)
2314 {
2315 return current_pos.file ? current_pos.file->name : "<none>";
2316 }