| blob | 0168141417f6283c1d39e03aa290af1b3fcfb4e0 |
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(n) 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, 3, 2, 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, 3,
692 2, 2, 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 char *text;
757 static int text_size, text_asize;
759 struct buffer {
760 struct buffer *parent;
761 YY_BUFFER_STATE state;
762 };
764 struct buffer *current_buf;
766 static int last_ts, first_ts;
768 static void zconf_endhelp(void);
769 static struct buffer *zconf_endfile(void);
771 void new_string(void)
772 {
773 text = malloc(START_STRSIZE);
774 text_asize = START_STRSIZE;
775 text_size = 0;
776 *text = 0;
777 }
779 void append_string(const char *str, int size)
780 {
781 int new_size = text_size + size + 1;
782 if (new_size > text_asize) {
783 new_size += START_STRSIZE - 1;
784 new_size &= -START_STRSIZE;
785 text = realloc(text, new_size);
786 text_asize = new_size;
787 }
788 memcpy(text + text_size, str, size);
789 text_size += size;
790 text[text_size] = 0;
791 }
793 void alloc_string(const char *str, int size)
794 {
795 text = malloc(size + 1);
796 memcpy(text, str, size);
797 text[size] = 0;
798 }
800 #define INITIAL 0
801 #define COMMAND 1
802 #define HELP 2
803 #define STRING 3
804 #define PARAM 4
806 #ifndef YY_NO_UNISTD_H
807 /* Special case for "unistd.h", since it is non-ANSI. We include it way
808 * down here because we want the user's section 1 to have been scanned first.
809 * The user has a chance to override it with an option.
810 */
811 #include <unistd.h>
812 #endif
814 #ifndef YY_EXTRA_TYPE
815 #define YY_EXTRA_TYPE void *
816 #endif
818 /* Macros after this point can all be overridden by user definitions in
819 * section 1.
820 */
822 #ifndef YY_SKIP_YYWRAP
823 #ifdef __cplusplus
824 extern "C" int zconfwrap (void );
825 #else
826 extern int zconfwrap (void );
827 #endif
828 #endif
830 static void yyunput (int c,char *buf_ptr );
832 #ifndef yytext_ptr
833 static void yy_flex_strncpy (char *,yyconst char *,int );
834 #endif
836 #ifdef YY_NEED_STRLEN
837 static int yy_flex_strlen (yyconst char * );
838 #endif
840 #ifndef YY_NO_INPUT
842 #ifdef __cplusplus
843 static int yyinput (void );
844 #else
845 static int input (void );
846 #endif
848 #endif
850 /* Amount of stuff to slurp up with each read. */
851 #ifndef YY_READ_BUF_SIZE
852 #define YY_READ_BUF_SIZE 8192
853 #endif
855 /* Copy whatever the last rule matched to the standard output. */
856 #ifndef ECHO
857 /* This used to be an fputs(), but since the string might contain NUL's,
858 * we now use fwrite().
859 */
860 #define ECHO (void) fwrite( zconftext, zconfleng, 1, zconfout )
861 #endif
863 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
864 * is returned in "result".
865 */
866 #ifndef YY_INPUT
867 #define YY_INPUT(buf,result,max_size) \
868 errno=0; \
869 while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \
870 { \
871 if( errno != EINTR) \
872 { \
873 YY_FATAL_ERROR( "input in flex scanner failed" ); \
874 break; \
875 } \
876 errno=0; \
877 clearerr(zconfin); \
878 }\
879 \
881 #endif
883 /* No semi-colon after return; correct usage is to write "yyterminate();" -
884 * we don't want an extra ';' after the "return" because that will cause
885 * some compilers to complain about unreachable statements.
886 */
887 #ifndef yyterminate
888 #define yyterminate() return YY_NULL
889 #endif
891 /* Number of entries by which start-condition stack grows. */
892 #ifndef YY_START_STACK_INCR
893 #define YY_START_STACK_INCR 25
894 #endif
896 /* Report a fatal error. */
897 #ifndef YY_FATAL_ERROR
898 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
899 #endif
901 /* end tables serialization structures and prototypes */
903 /* Default declaration of generated scanner - a define so the user can
904 * easily add parameters.
905 */
906 #ifndef YY_DECL
907 #define YY_DECL_IS_OURS 1
909 extern int zconflex (void);
911 #define YY_DECL int zconflex (void)
912 #endif /* !YY_DECL */
914 /* Code executed at the beginning of each rule, after zconftext and zconfleng
915 * have been set up.
916 */
917 #ifndef YY_USER_ACTION
918 #define YY_USER_ACTION
919 #endif
921 /* Code executed at the end of each rule. */
922 #ifndef YY_BREAK
923 #define YY_BREAK break;
924 #endif
926 #define YY_RULE_SETUP \
927 YY_USER_ACTION
929 /** The main scanner function which does all the work.
930 */
931 YY_DECL
932 {
933 register yy_state_type yy_current_state;
934 register char *yy_cp, *yy_bp;
935 register int yy_act;
937 int str = 0;
938 int ts, i;
940 if ( (yy_init) )
941 {
942 (yy_init) = 0;
944 #ifdef YY_USER_INIT
945 YY_USER_INIT;
946 #endif
948 if ( ! (yy_start) )
949 (yy_start) = 1; /* first start state */
951 if ( ! zconfin )
952 zconfin = stdin;
954 if ( ! zconfout )
955 zconfout = stdout;
957 if ( ! YY_CURRENT_BUFFER ) {
958 zconfensure_buffer_stack ();
959 YY_CURRENT_BUFFER_LVALUE =
960 zconf_create_buffer(zconfin,YY_BUF_SIZE );
961 }
963 zconf_load_buffer_state( );
964 }
966 while ( 1 ) /* loops until end-of-file is reached */
967 {
968 yy_cp = (yy_c_buf_p);
970 /* Support of zconftext. */
971 *yy_cp = (yy_hold_char);
973 /* yy_bp points to the position in yy_ch_buf of the start of
974 * the current run.
975 */
976 yy_bp = yy_cp;
978 yy_current_state = (yy_start);
979 yy_match:
980 while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)] ]) > 0 )
981 ++yy_cp;
983 yy_current_state = -yy_current_state;
985 yy_find_action:
986 yy_act = yy_accept[yy_current_state];
988 YY_DO_BEFORE_ACTION;
990 do_action: /* This label is used only to access EOF actions. */
992 switch ( yy_act )
993 { /* beginning of action switch */
994 case 1:
995 /* rule 1 can match eol */
996 YY_RULE_SETUP
997 current_file->lineno++;
998 YY_BREAK
999 case 2:
1000 YY_RULE_SETUP
1002 YY_BREAK
1003 case 3:
1004 /* rule 3 can match eol */
1005 YY_RULE_SETUP
1006 current_file->lineno++; return T_EOL;
1007 YY_BREAK
1008 case 4:
1009 YY_RULE_SETUP
1010 {
1011 BEGIN(COMMAND);
1012 }
1013 YY_BREAK
1014 case 5:
1015 YY_RULE_SETUP
1016 {
1017 unput(zconftext[0]);
1018 BEGIN(COMMAND);
1019 }
1020 YY_BREAK
1022 case 6:
1023 YY_RULE_SETUP
1024 {
1025 struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
1026 if (id && id->flags & TF_COMMAND) {
1027 BEGIN(PARAM);
1028 return id->token;
1029 }
1030 alloc_string(zconftext, zconfleng);
1031 zconflval.string = text;
1032 return T_WORD;
1033 }
1034 YY_BREAK
1035 case 7:
1036 YY_RULE_SETUP
1038 YY_BREAK
1039 case 8:
1040 /* rule 8 can match eol */
1041 YY_RULE_SETUP
1042 current_file->lineno++; BEGIN(INITIAL);
1043 YY_BREAK
1045 case 9:
1046 YY_RULE_SETUP
1047 return T_AND;
1048 YY_BREAK
1049 case 10:
1050 YY_RULE_SETUP
1051 return T_OR;
1052 YY_BREAK
1053 case 11:
1054 YY_RULE_SETUP
1055 return T_OPEN_PAREN;
1056 YY_BREAK
1057 case 12:
1058 YY_RULE_SETUP
1059 return T_CLOSE_PAREN;
1060 YY_BREAK
1061 case 13:
1062 YY_RULE_SETUP
1063 return T_NOT;
1064 YY_BREAK
1065 case 14:
1066 YY_RULE_SETUP
1067 return T_EQUAL;
1068 YY_BREAK
1069 case 15:
1070 YY_RULE_SETUP
1071 return T_UNEQUAL;
1072 YY_BREAK
1073 case 16:
1074 YY_RULE_SETUP
1075 {
1076 str = zconftext[0];
1077 new_string();
1078 BEGIN(STRING);
1079 }
1080 YY_BREAK
1081 case 17:
1082 /* rule 17 can match eol */
1083 YY_RULE_SETUP
1084 BEGIN(INITIAL); current_file->lineno++; return T_EOL;
1085 YY_BREAK
1086 case 18:
1087 YY_RULE_SETUP
1088 /* ignore */
1089 YY_BREAK
1090 case 19:
1091 YY_RULE_SETUP
1092 {
1093 struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
1094 if (id && id->flags & TF_PARAM)
1095 return id->token;
1096 alloc_string(zconftext, zconfleng);
1097 zconflval.string = text;
1098 return T_WORD;
1099 }
1100 YY_BREAK
1101 case 20:
1102 YY_RULE_SETUP
1103 /* comment */
1104 YY_BREAK
1105 case 21:
1106 /* rule 21 can match eol */
1107 YY_RULE_SETUP
1108 current_file->lineno++;
1109 YY_BREAK
1110 case 22:
1111 YY_RULE_SETUP
1113 YY_BREAK
1114 case YY_STATE_EOF(PARAM):
1115 {
1116 BEGIN(INITIAL);
1117 }
1118 YY_BREAK
1120 case 23:
1121 /* rule 23 can match eol */
1122 *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
1123 (yy_c_buf_p) = yy_cp -= 1;
1124 YY_DO_BEFORE_ACTION; /* set up zconftext again */
1125 YY_RULE_SETUP
1126 {
1127 append_string(zconftext, zconfleng);
1128 zconflval.string = text;
1129 return T_WORD_QUOTE;
1130 }
1131 YY_BREAK
1132 case 24:
1133 YY_RULE_SETUP
1134 {
1135 append_string(zconftext, zconfleng);
1136 }
1137 YY_BREAK
1138 case 25:
1139 /* rule 25 can match eol */
1140 *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
1141 (yy_c_buf_p) = yy_cp -= 1;
1142 YY_DO_BEFORE_ACTION; /* set up zconftext again */
1143 YY_RULE_SETUP
1144 {
1145 append_string(zconftext + 1, zconfleng - 1);
1146 zconflval.string = text;
1147 return T_WORD_QUOTE;
1148 }
1149 YY_BREAK
1150 case 26:
1151 YY_RULE_SETUP
1152 {
1153 append_string(zconftext + 1, zconfleng - 1);
1154 }
1155 YY_BREAK
1156 case 27:
1157 YY_RULE_SETUP
1158 {
1159 if (str == zconftext[0]) {
1160 BEGIN(PARAM);
1161 zconflval.string = text;
1162 return T_WORD_QUOTE;
1163 } else
1164 append_string(zconftext, 1);
1165 }
1166 YY_BREAK
1167 case 28:
1168 /* rule 28 can match eol */
1169 YY_RULE_SETUP
1170 {
1171 printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
1172 current_file->lineno++;
1173 BEGIN(INITIAL);
1174 return T_EOL;
1175 }
1176 YY_BREAK
1177 case YY_STATE_EOF(STRING):
1178 {
1179 BEGIN(INITIAL);
1180 }
1181 YY_BREAK
1183 case 29:
1184 YY_RULE_SETUP
1185 {
1186 ts = 0;
1187 for (i = 0; i < zconfleng; i++) {
1188 if (zconftext[i] == '\t')
1189 ts = (ts & ~7) + 8;
1190 else
1191 ts++;
1192 }
1193 last_ts = ts;
1194 if (first_ts) {
1195 if (ts < first_ts) {
1196 zconf_endhelp();
1197 return T_HELPTEXT;
1198 }
1199 ts -= first_ts;
1200 while (ts > 8) {
1201 append_string(" ", 8);
1202 ts -= 8;
1203 }
1204 append_string(" ", ts);
1205 }
1206 }
1207 YY_BREAK
1208 case 30:
1209 /* rule 30 can match eol */
1210 *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
1211 (yy_c_buf_p) = yy_cp -= 1;
1212 YY_DO_BEFORE_ACTION; /* set up zconftext again */
1213 YY_RULE_SETUP
1214 {
1215 current_file->lineno++;
1216 zconf_endhelp();
1217 return T_HELPTEXT;
1218 }
1219 YY_BREAK
1220 case 31:
1221 /* rule 31 can match eol */
1222 YY_RULE_SETUP
1223 {
1224 current_file->lineno++;
1225 append_string("\n", 1);
1226 }
1227 YY_BREAK
1228 case 32:
1229 YY_RULE_SETUP
1230 {
1231 append_string(zconftext, zconfleng);
1232 if (!first_ts)
1233 first_ts = last_ts;
1234 }
1235 YY_BREAK
1236 case YY_STATE_EOF(HELP):
1237 {
1238 zconf_endhelp();
1239 return T_HELPTEXT;
1240 }
1241 YY_BREAK
1243 case YY_STATE_EOF(INITIAL):
1244 case YY_STATE_EOF(COMMAND):
1245 {
1246 if (current_buf) {
1247 zconf_endfile();
1248 return T_EOF;
1249 }
1250 fclose(zconfin);
1251 yyterminate();
1252 }
1253 YY_BREAK
1254 case 33:
1255 YY_RULE_SETUP
1256 YY_FATAL_ERROR( "flex scanner jammed" );
1257 YY_BREAK
1259 case YY_END_OF_BUFFER:
1260 {
1261 /* Amount of text matched not including the EOB char. */
1262 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
1264 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1265 *yy_cp = (yy_hold_char);
1266 YY_RESTORE_YY_MORE_OFFSET
1268 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1269 {
1270 /* We're scanning a new file or input source. It's
1271 * possible that this happened because the user
1272 * just pointed zconfin at a new source and called
1273 * zconflex(). If so, then we have to assure
1274 * consistency between YY_CURRENT_BUFFER and our
1275 * globals. Here is the right place to do so, because
1276 * this is the first action (other than possibly a
1277 * back-up) that will match for the new input source.
1278 */
1279 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1280 YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin;
1281 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1282 }
1284 /* Note that here we test for yy_c_buf_p "<=" to the position
1285 * of the first EOB in the buffer, since yy_c_buf_p will
1286 * already have been incremented past the NUL character
1287 * (since all states make transitions on EOB to the
1288 * end-of-buffer state). Contrast this with the test
1289 * in input().
1290 */
1291 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1292 { /* This was really a NUL. */
1293 yy_state_type yy_next_state;
1295 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1297 yy_current_state = yy_get_previous_state( );
1299 /* Okay, we're now positioned to make the NUL
1300 * transition. We couldn't have
1301 * yy_get_previous_state() go ahead and do it
1302 * for us because it doesn't know how to deal
1303 * with the possibility of jamming (and we don't
1304 * want to build jamming into it because then it
1305 * will run more slowly).
1306 */
1308 yy_next_state = yy_try_NUL_trans( yy_current_state );
1310 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1312 if ( yy_next_state )
1313 {
1314 /* Consume the NUL. */
1315 yy_cp = ++(yy_c_buf_p);
1316 yy_current_state = yy_next_state;
1317 goto yy_match;
1318 }
1320 else
1321 {
1322 yy_cp = (yy_c_buf_p);
1323 goto yy_find_action;
1324 }
1325 }
1327 else switch ( yy_get_next_buffer( ) )
1328 {
1329 case EOB_ACT_END_OF_FILE:
1330 {
1331 (yy_did_buffer_switch_on_eof) = 0;
1333 if ( zconfwrap( ) )
1334 {
1335 /* Note: because we've taken care in
1336 * yy_get_next_buffer() to have set up
1337 * zconftext, we can now set up
1338 * yy_c_buf_p so that if some total
1339 * hoser (like flex itself) wants to
1340 * call the scanner after we return the
1341 * YY_NULL, it'll still work - another
1342 * YY_NULL will get returned.
1343 */
1344 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1346 yy_act = YY_STATE_EOF(YY_START);
1347 goto do_action;
1348 }
1350 else
1351 {
1352 if ( ! (yy_did_buffer_switch_on_eof) )
1353 YY_NEW_FILE;
1354 }
1355 break;
1356 }
1358 case EOB_ACT_CONTINUE_SCAN:
1359 (yy_c_buf_p) =
1360 (yytext_ptr) + yy_amount_of_matched_text;
1362 yy_current_state = yy_get_previous_state( );
1364 yy_cp = (yy_c_buf_p);
1365 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1366 goto yy_match;
1368 case EOB_ACT_LAST_MATCH:
1369 (yy_c_buf_p) =
1370 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1372 yy_current_state = yy_get_previous_state( );
1374 yy_cp = (yy_c_buf_p);
1375 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1376 goto yy_find_action;
1377 }
1378 break;
1379 }
1381 default:
1382 YY_FATAL_ERROR(
1383 "fatal flex scanner internal error--no action found" );
1384 } /* end of action switch */
1385 } /* end of scanning one token */
1386 } /* end of zconflex */
1388 /* yy_get_next_buffer - try to read in a new buffer
1389 *
1390 * Returns a code representing an action:
1391 * EOB_ACT_LAST_MATCH -
1392 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1393 * EOB_ACT_END_OF_FILE - end of file
1394 */
1395 static int yy_get_next_buffer (void)
1396 {
1397 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1398 register char *source = (yytext_ptr);
1399 register int number_to_move, i;
1400 int ret_val;
1402 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
1403 YY_FATAL_ERROR(
1404 "fatal flex scanner internal error--end of buffer missed" );
1406 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
1407 { /* Don't try to fill the buffer, so this is an EOF. */
1408 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
1409 {
1410 /* We matched a single character, the EOB, so
1411 * treat this as a final EOF.
1412 */
1413 return EOB_ACT_END_OF_FILE;
1414 }
1416 else
1417 {
1418 /* We matched some text prior to the EOB, first
1419 * process it.
1420 */
1421 return EOB_ACT_LAST_MATCH;
1422 }
1423 }
1425 /* Try to read more data. */
1427 /* First move last chars to start of buffer. */
1428 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
1430 for ( i = 0; i < number_to_move; ++i )
1431 *(dest++) = *(source++);
1433 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1434 /* don't do the read, it's not guaranteed to return an EOF,
1435 * just force an EOF
1436 */
1437 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
1439 else
1440 {
1441 size_t num_to_read =
1442 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1444 while ( num_to_read <= 0 )
1445 { /* Not enough room in the buffer - grow it. */
1447 /* just a shorter name for the current buffer */
1448 YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
1450 int yy_c_buf_p_offset =
1451 (int) ((yy_c_buf_p) - b->yy_ch_buf);
1453 if ( b->yy_is_our_buffer )
1454 {
1455 int new_size = b->yy_buf_size * 2;
1457 if ( new_size <= 0 )
1458 b->yy_buf_size += b->yy_buf_size / 8;
1459 else
1460 b->yy_buf_size *= 2;
1462 b->yy_ch_buf = (char *)
1463 /* Include room in for 2 EOB chars. */
1464 zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1465 }
1466 else
1467 /* Can't grow it, we don't own it. */
1468 b->yy_ch_buf = 0;
1470 if ( ! b->yy_ch_buf )
1471 YY_FATAL_ERROR(
1472 "fatal error - scanner input buffer overflow" );
1474 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1476 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1477 number_to_move - 1;
1479 }
1481 if ( num_to_read > YY_READ_BUF_SIZE )
1482 num_to_read = YY_READ_BUF_SIZE;
1484 /* Read in more data. */
1485 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1486 (yy_n_chars), num_to_read );
1488 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1489 }
1491 if ( (yy_n_chars) == 0 )
1492 {
1493 if ( number_to_move == YY_MORE_ADJ )
1494 {
1495 ret_val = EOB_ACT_END_OF_FILE;
1496 zconfrestart(zconfin );
1497 }
1499 else
1500 {
1501 ret_val = EOB_ACT_LAST_MATCH;
1502 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1503 YY_BUFFER_EOF_PENDING;
1504 }
1505 }
1507 else
1508 ret_val = EOB_ACT_CONTINUE_SCAN;
1510 (yy_n_chars) += number_to_move;
1511 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1512 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1514 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1516 return ret_val;
1517 }
1519 /* yy_get_previous_state - get the state just before the EOB char was reached */
1521 static yy_state_type yy_get_previous_state (void)
1522 {
1523 register yy_state_type yy_current_state;
1524 register char *yy_cp;
1526 yy_current_state = (yy_start);
1528 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1529 {
1530 yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
1531 }
1533 return yy_current_state;
1534 }
1536 /* yy_try_NUL_trans - try to make a transition on the NUL character
1537 *
1538 * synopsis
1539 * next_state = yy_try_NUL_trans( current_state );
1540 */
1541 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1542 {
1543 register int yy_is_jam;
1545 yy_current_state = yy_nxt[yy_current_state][1];
1546 yy_is_jam = (yy_current_state <= 0);
1548 return yy_is_jam ? 0 : yy_current_state;
1549 }
1551 static void yyunput (int c, register char * yy_bp )
1552 {
1553 register char *yy_cp;
1555 yy_cp = (yy_c_buf_p);
1557 /* undo effects of setting up zconftext */
1558 *yy_cp = (yy_hold_char);
1560 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
1561 { /* need to shift things up to make room */
1562 /* +2 for EOB chars. */
1563 register int number_to_move = (yy_n_chars) + 2;
1564 register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
1565 YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
1566 register char *source =
1567 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
1569 while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1570 *--dest = *--source;
1572 yy_cp += (int) (dest - source);
1573 yy_bp += (int) (dest - source);
1574 YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
1575 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
1577 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
1578 YY_FATAL_ERROR( "flex scanner push-back overflow" );
1579 }
1581 *--yy_cp = (char) c;
1583 (yytext_ptr) = yy_bp;
1584 (yy_hold_char) = *yy_cp;
1585 (yy_c_buf_p) = yy_cp;
1586 }
1588 #ifndef YY_NO_INPUT
1589 #ifdef __cplusplus
1590 static int yyinput (void)
1591 #else
1592 static int input (void)
1593 #endif
1595 {
1596 int c;
1598 *(yy_c_buf_p) = (yy_hold_char);
1600 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1601 {
1602 /* yy_c_buf_p now points to the character we want to return.
1603 * If this occurs *before* the EOB characters, then it's a
1604 * valid NUL; if not, then we've hit the end of the buffer.
1605 */
1606 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1607 /* This was really a NUL. */
1608 *(yy_c_buf_p) = '\0';
1610 else
1611 { /* need more input */
1612 int offset = (yy_c_buf_p) - (yytext_ptr);
1613 ++(yy_c_buf_p);
1615 switch ( yy_get_next_buffer( ) )
1616 {
1617 case EOB_ACT_LAST_MATCH:
1618 /* This happens because yy_g_n_b()
1619 * sees that we've accumulated a
1620 * token and flags that we need to
1621 * try matching the token before
1622 * proceeding. But for input(),
1623 * there's no matching to consider.
1624 * So convert the EOB_ACT_LAST_MATCH
1625 * to EOB_ACT_END_OF_FILE.
1626 */
1628 /* Reset buffer status. */
1629 zconfrestart(zconfin );
1631 /*FALLTHROUGH*/
1633 case EOB_ACT_END_OF_FILE:
1634 {
1635 if ( zconfwrap( ) )
1636 return EOF;
1638 if ( ! (yy_did_buffer_switch_on_eof) )
1639 YY_NEW_FILE;
1640 #ifdef __cplusplus
1641 return yyinput();
1642 #else
1643 return input();
1644 #endif
1645 }
1647 case EOB_ACT_CONTINUE_SCAN:
1648 (yy_c_buf_p) = (yytext_ptr) + offset;
1649 break;
1650 }
1651 }
1652 }
1654 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1655 *(yy_c_buf_p) = '\0'; /* preserve zconftext */
1656 (yy_hold_char) = *++(yy_c_buf_p);
1658 return c;
1659 }
1660 #endif /* ifndef YY_NO_INPUT */
1662 /** Immediately switch to a different input stream.
1663 * @param input_file A readable stream.
1664 *
1665 * @note This function does not reset the start condition to @c INITIAL .
1666 */
1667 void zconfrestart (FILE * input_file )
1668 {
1670 if ( ! YY_CURRENT_BUFFER ){
1671 zconfensure_buffer_stack ();
1672 YY_CURRENT_BUFFER_LVALUE =
1673 zconf_create_buffer(zconfin,YY_BUF_SIZE );
1674 }
1676 zconf_init_buffer(YY_CURRENT_BUFFER,input_file );
1677 zconf_load_buffer_state( );
1678 }
1680 /** Switch to a different input buffer.
1681 * @param new_buffer The new input buffer.
1682 *
1683 */
1684 void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1685 {
1687 /* TODO. We should be able to replace this entire function body
1688 * with
1689 * zconfpop_buffer_state();
1690 * zconfpush_buffer_state(new_buffer);
1691 */
1692 zconfensure_buffer_stack ();
1693 if ( YY_CURRENT_BUFFER == new_buffer )
1694 return;
1696 if ( YY_CURRENT_BUFFER )
1697 {
1698 /* Flush out information for old buffer. */
1699 *(yy_c_buf_p) = (yy_hold_char);
1700 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1701 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1702 }
1704 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1705 zconf_load_buffer_state( );
1707 /* We don't actually know whether we did this switch during
1708 * EOF (zconfwrap()) processing, but the only time this flag
1709 * is looked at is after zconfwrap() is called, so it's safe
1710 * to go ahead and always set it.
1711 */
1712 (yy_did_buffer_switch_on_eof) = 1;
1713 }
1715 static void zconf_load_buffer_state (void)
1716 {
1717 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1718 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1719 zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1720 (yy_hold_char) = *(yy_c_buf_p);
1721 }
1723 /** Allocate and initialize an input buffer state.
1724 * @param file A readable stream.
1725 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1726 *
1727 * @return the allocated buffer state.
1728 */
1729 YY_BUFFER_STATE zconf_create_buffer (FILE * file, int size )
1730 {
1731 YY_BUFFER_STATE b;
1733 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) );
1734 if ( ! b )
1735 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
1737 b->yy_buf_size = size;
1739 /* yy_ch_buf has to be 2 characters longer than the size given because
1740 * we need to put in 2 end-of-buffer characters.
1741 */
1742 b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2 );
1743 if ( ! b->yy_ch_buf )
1744 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
1746 b->yy_is_our_buffer = 1;
1748 zconf_init_buffer(b,file );
1750 return b;
1751 }
1753 /** Destroy the buffer.
1754 * @param b a buffer created with zconf_create_buffer()
1755 *
1756 */
1757 void zconf_delete_buffer (YY_BUFFER_STATE b )
1758 {
1760 if ( ! b )
1761 return;
1763 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1764 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1766 if ( b->yy_is_our_buffer )
1767 zconffree((void *) b->yy_ch_buf );
1769 zconffree((void *) b );
1770 }
1772 /* Initializes or reinitializes a buffer.
1773 * This function is sometimes called more than once on the same buffer,
1774 * such as during a zconfrestart() or at EOF.
1775 */
1776 static void zconf_init_buffer (YY_BUFFER_STATE b, FILE * file )
1778 {
1779 int oerrno = errno;
1781 zconf_flush_buffer(b );
1783 b->yy_input_file = file;
1784 b->yy_fill_buffer = 1;
1786 /* If b is the current buffer, then zconf_init_buffer was _probably_
1787 * called from zconfrestart() or through yy_get_next_buffer.
1788 * In that case, we don't want to reset the lineno or column.
1789 */
1790 if (b != YY_CURRENT_BUFFER){
1791 b->yy_bs_lineno = 1;
1792 b->yy_bs_column = 0;
1793 }
1795 b->yy_is_interactive = 0;
1797 errno = oerrno;
1798 }
1800 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1801 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1802 *
1803 */
1804 void zconf_flush_buffer (YY_BUFFER_STATE b )
1805 {
1806 if ( ! b )
1807 return;
1809 b->yy_n_chars = 0;
1811 /* We always need two end-of-buffer characters. The first causes
1812 * a transition to the end-of-buffer state. The second causes
1813 * a jam in that state.
1814 */
1815 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1816 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1818 b->yy_buf_pos = &b->yy_ch_buf[0];
1820 b->yy_at_bol = 1;
1821 b->yy_buffer_status = YY_BUFFER_NEW;
1823 if ( b == YY_CURRENT_BUFFER )
1824 zconf_load_buffer_state( );
1825 }
1827 /** Pushes the new state onto the stack. The new state becomes
1828 * the current state. This function will allocate the stack
1829 * if necessary.
1830 * @param new_buffer The new state.
1831 *
1832 */
1833 void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer )
1834 {
1835 if (new_buffer == NULL)
1836 return;
1838 zconfensure_buffer_stack();
1840 /* This block is copied from zconf_switch_to_buffer. */
1841 if ( YY_CURRENT_BUFFER )
1842 {
1843 /* Flush out information for old buffer. */
1844 *(yy_c_buf_p) = (yy_hold_char);
1845 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1846 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1847 }
1849 /* Only push if top exists. Otherwise, replace top. */
1850 if (YY_CURRENT_BUFFER)
1851 (yy_buffer_stack_top)++;
1852 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1854 /* copied from zconf_switch_to_buffer. */
1855 zconf_load_buffer_state( );
1856 (yy_did_buffer_switch_on_eof) = 1;
1857 }
1859 /** Removes and deletes the top of the stack, if present.
1860 * The next element becomes the new top.
1861 *
1862 */
1863 void zconfpop_buffer_state (void)
1864 {
1865 if (!YY_CURRENT_BUFFER)
1866 return;
1868 zconf_delete_buffer(YY_CURRENT_BUFFER );
1869 YY_CURRENT_BUFFER_LVALUE = NULL;
1870 if ((yy_buffer_stack_top) > 0)
1871 --(yy_buffer_stack_top);
1873 if (YY_CURRENT_BUFFER) {
1874 zconf_load_buffer_state( );
1875 (yy_did_buffer_switch_on_eof) = 1;
1876 }
1877 }
1879 /* Allocates the stack if it does not exist.
1880 * Guarantees space for at least one push.
1881 */
1882 static void zconfensure_buffer_stack (void)
1883 {
1884 int num_to_alloc;
1886 if (!(yy_buffer_stack)) {
1888 /* First allocation is just for 2 elements, since we don't know if this
1889 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1890 * immediate realloc on the next call.
1891 */
1892 num_to_alloc = 1;
1893 (yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc
1894 (num_to_alloc * sizeof(struct yy_buffer_state*)
1895 );
1897 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1899 (yy_buffer_stack_max) = num_to_alloc;
1900 (yy_buffer_stack_top) = 0;
1901 return;
1902 }
1904 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1906 /* Increase the buffer to prepare for a possible push. */
1907 int grow_size = 8 /* arbitrary grow size */;
1909 num_to_alloc = (yy_buffer_stack_max) + grow_size;
1910 (yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc
1911 ((yy_buffer_stack),
1912 num_to_alloc * sizeof(struct yy_buffer_state*)
1913 );
1915 /* zero only the new slots.*/
1916 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1917 (yy_buffer_stack_max) = num_to_alloc;
1918 }
1919 }
1921 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1922 * @param base the character buffer
1923 * @param size the size in bytes of the character buffer
1924 *
1925 * @return the newly allocated buffer state object.
1926 */
1927 YY_BUFFER_STATE zconf_scan_buffer (char * base, yy_size_t size )
1928 {
1929 YY_BUFFER_STATE b;
1931 if ( size < 2 ||
1932 base[size-2] != YY_END_OF_BUFFER_CHAR ||
1933 base[size-1] != YY_END_OF_BUFFER_CHAR )
1934 /* They forgot to leave room for the EOB's. */
1935 return 0;
1937 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) );
1938 if ( ! b )
1939 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" );
1941 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1942 b->yy_buf_pos = b->yy_ch_buf = base;
1943 b->yy_is_our_buffer = 0;
1944 b->yy_input_file = 0;
1945 b->yy_n_chars = b->yy_buf_size;
1946 b->yy_is_interactive = 0;
1947 b->yy_at_bol = 1;
1948 b->yy_fill_buffer = 0;
1949 b->yy_buffer_status = YY_BUFFER_NEW;
1951 zconf_switch_to_buffer(b );
1953 return b;
1954 }
1956 /** Setup the input buffer state to scan a string. The next call to zconflex() will
1957 * scan from a @e copy of @a str.
1958 * @param str a NUL-terminated string to scan
1959 *
1960 * @return the newly allocated buffer state object.
1961 * @note If you want to scan bytes that may contain NUL values, then use
1962 * zconf_scan_bytes() instead.
1963 */
1964 YY_BUFFER_STATE zconf_scan_string (yyconst char * yy_str )
1965 {
1967 return zconf_scan_bytes(yy_str,strlen(yy_str) );
1968 }
1970 /** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
1971 * scan from a @e copy of @a bytes.
1972 * @param bytes the byte buffer to scan
1973 * @param len the number of bytes in the buffer pointed to by @a bytes.
1974 *
1975 * @return the newly allocated buffer state object.
1976 */
1977 YY_BUFFER_STATE zconf_scan_bytes (yyconst char * bytes, int len )
1978 {
1979 YY_BUFFER_STATE b;
1980 char *buf;
1981 yy_size_t n;
1982 int i;
1984 /* Get memory for full buffer, including space for trailing EOB's. */
1985 n = len + 2;
1986 buf = (char *) zconfalloc(n );
1987 if ( ! buf )
1988 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );
1990 for ( i = 0; i < len; ++i )
1991 buf[i] = bytes[i];
1993 buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1995 b = zconf_scan_buffer(buf,n );
1996 if ( ! b )
1997 YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" );
1999 /* It's okay to grow etc. this buffer, and we should throw it
2000 * away when we're done.
2001 */
2002 b->yy_is_our_buffer = 1;
2004 return b;
2005 }
2007 #ifndef YY_EXIT_FAILURE
2008 #define YY_EXIT_FAILURE 2
2009 #endif
2011 static void yy_fatal_error (yyconst char* msg )
2012 {
2013 (void) fprintf( stderr, "%s\n", msg );
2014 exit( YY_EXIT_FAILURE );
2015 }
2017 /* Redefine yyless() so it works in section 3 code. */
2019 #undef yyless
2020 #define yyless(n) \
2021 do \
2022 { \
2023 /* Undo effects of setting up zconftext. */ \
2024 int yyless_macro_arg = (n); \
2025 YY_LESS_LINENO(yyless_macro_arg);\
2026 zconftext[zconfleng] = (yy_hold_char); \
2027 (yy_c_buf_p) = zconftext + yyless_macro_arg; \
2028 (yy_hold_char) = *(yy_c_buf_p); \
2029 *(yy_c_buf_p) = '\0'; \
2030 zconfleng = yyless_macro_arg; \
2031 } \
2032 while ( 0 )
2034 /* Accessor methods (get/set functions) to struct members. */
2036 /** Get the current line number.
2037 *
2038 */
2039 int zconfget_lineno (void)
2040 {
2042 return zconflineno;
2043 }
2045 /** Get the input stream.
2046 *
2047 */
2048 FILE *zconfget_in (void)
2049 {
2050 return zconfin;
2051 }
2053 /** Get the output stream.
2054 *
2055 */
2056 FILE *zconfget_out (void)
2057 {
2058 return zconfout;
2059 }
2061 /** Get the length of the current token.
2062 *
2063 */
2064 int zconfget_leng (void)
2065 {
2066 return zconfleng;
2067 }
2069 /** Get the current token.
2070 *
2071 */
2073 char *zconfget_text (void)
2074 {
2075 return zconftext;
2076 }
2078 /** Set the current line number.
2079 * @param line_number
2080 *
2081 */
2082 void zconfset_lineno (int line_number )
2083 {
2085 zconflineno = line_number;
2086 }
2088 /** Set the input stream. This does not discard the current
2089 * input buffer.
2090 * @param in_str A readable stream.
2091 *
2092 * @see zconf_switch_to_buffer
2093 */
2094 void zconfset_in (FILE * in_str )
2095 {
2096 zconfin = in_str ;
2097 }
2099 void zconfset_out (FILE * out_str )
2100 {
2101 zconfout = out_str ;
2102 }
2104 int zconfget_debug (void)
2105 {
2106 return zconf_flex_debug;
2107 }
2109 void zconfset_debug (int bdebug )
2110 {
2111 zconf_flex_debug = bdebug ;
2112 }
2114 /* zconflex_destroy is for both reentrant and non-reentrant scanners. */
2115 int zconflex_destroy (void)
2116 {
2118 /* Pop the buffer stack, destroying each element. */
2119 while(YY_CURRENT_BUFFER){
2120 zconf_delete_buffer(YY_CURRENT_BUFFER );
2121 YY_CURRENT_BUFFER_LVALUE = NULL;
2122 zconfpop_buffer_state();
2123 }
2125 /* Destroy the stack itself. */
2126 zconffree((yy_buffer_stack) );
2127 (yy_buffer_stack) = NULL;
2129 return 0;
2130 }
2132 /*
2133 * Internal utility routines.
2134 */
2136 #ifndef yytext_ptr
2137 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
2138 {
2139 register int i;
2140 for ( i = 0; i < n; ++i )
2141 s1[i] = s2[i];
2142 }
2143 #endif
2145 #ifdef YY_NEED_STRLEN
2146 static int yy_flex_strlen (yyconst char * s )
2147 {
2148 register int n;
2149 for ( n = 0; s[n]; ++n )
2150 ;
2152 return n;
2153 }
2154 #endif
2156 void *zconfalloc (yy_size_t size )
2157 {
2158 return (void *) malloc( size );
2159 }
2161 void *zconfrealloc (void * ptr, yy_size_t size )
2162 {
2163 /* The cast to (char *) in the following accommodates both
2164 * implementations that use char* generic pointers, and those
2165 * that use void* generic pointers. It works with the latter
2166 * because both ANSI C and C++ allow castless assignment from
2167 * any pointer type to void*, and deal with argument conversions
2168 * as though doing an assignment.
2169 */
2170 return (void *) realloc( (char *) ptr, size );
2171 }
2173 void zconffree (void * ptr )
2174 {
2175 free( (char *) ptr ); /* see zconfrealloc() for (char *) cast */
2176 }
2178 #define YYTABLES_NAME "yytables"
2180 #undef YY_NEW_FILE
2181 #undef YY_FLUSH_BUFFER
2182 #undef yy_set_bol
2183 #undef yy_new_buffer
2184 #undef yy_set_interactive
2185 #undef yytext_ptr
2186 #undef YY_DO_BEFORE_ACTION
2188 #ifdef YY_DECL_IS_OURS
2189 #undef YY_DECL_IS_OURS
2190 #undef YY_DECL
2191 #endif
2193 void zconf_starthelp(void)
2194 {
2195 new_string();
2196 last_ts = first_ts = 0;
2197 BEGIN(HELP);
2198 }
2200 static void zconf_endhelp(void)
2201 {
2202 zconflval.string = text;
2203 BEGIN(INITIAL);
2204 }
2206 /*
2207 * Try to open specified file with following names:
2208 * ./name
2209 * $(srctree)/name
2210 * The latter is used when srctree is separate from objtree
2211 * when compiling the kernel.
2212 * Return NULL if file is not found.
2213 */
2214 FILE *zconf_fopen(const char *name)
2215 {
2216 char *env, fullname[PATH_MAX+1];
2217 FILE *f;
2219 f = fopen(name, "r");
2220 if (!f && name[0] != '/') {
2221 env = getenv(SRCTREE);
2222 if (env) {
2223 sprintf(fullname, "%s/%s", env, name);
2224 f = fopen(fullname, "r");
2225 }
2226 }
2227 return f;
2228 }
2230 void zconf_initscan(const char *name)
2231 {
2232 zconfin = zconf_fopen(name);
2233 if (!zconfin) {
2234 printf("can't find file %s\n", name);
2235 exit(1);
2236 }
2238 current_buf = malloc(sizeof(*current_buf));
2239 memset(current_buf, 0, sizeof(*current_buf));
2241 current_file = file_lookup(name);
2242 current_file->lineno = 1;
2243 current_file->flags = FILE_BUSY;
2244 }
2246 void zconf_nextfile(const char *name)
2247 {
2248 struct file *file = file_lookup(name);
2249 struct buffer *buf = malloc(sizeof(*buf));
2250 memset(buf, 0, sizeof(*buf));
2252 current_buf->state = YY_CURRENT_BUFFER;
2253 zconfin = zconf_fopen(name);
2254 if (!zconfin) {
2255 printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
2256 exit(1);
2257 }
2258 zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
2259 buf->parent = current_buf;
2260 current_buf = buf;
2262 if (file->flags & FILE_BUSY) {
2263 printf("recursive scan (%s)?\n", name);
2264 exit(1);
2265 }
2266 if (file->flags & FILE_SCANNED) {
2267 printf("file %s already scanned?\n", name);
2268 exit(1);
2269 }
2270 file->flags |= FILE_BUSY;
2271 file->lineno = 1;
2272 file->parent = current_file;
2273 current_file = file;
2274 }
2276 static struct buffer *zconf_endfile(void)
2277 {
2278 struct buffer *parent;
2280 current_file->flags |= FILE_SCANNED;
2281 current_file->flags &= ~FILE_BUSY;
2282 current_file = current_file->parent;
2284 parent = current_buf->parent;
2285 if (parent) {
2286 fclose(zconfin);
2287 zconf_delete_buffer(YY_CURRENT_BUFFER);
2288 zconf_switch_to_buffer(parent->state);
2289 }
2290 free(current_buf);
2291 current_buf = parent;
2293 return parent;
2294 }
2296 int zconf_lineno(void)
2297 {
2298 if (current_buf)
2299 return current_file->lineno - 1;
2300 else
2301 return 0;
2302 }
2304 char *zconf_curname(void)
2305 {
2306 if (current_buf)
2307 return current_file->name;
2308 else
2309 return "<none>";
2310 }