1 2#line 3 "scripts/kconfig/lex.zconf.c" 3 4#define YY_INT_ALIGNED short int 5 6/* A lexical scanner generated by flex */ 7 8#define FLEX_SCANNER 9#define YY_FLEX_MAJOR_VERSION 2 10#define YY_FLEX_MINOR_VERSION 5 11#define YY_FLEX_SUBMINOR_VERSION 33 12#if YY_FLEX_SUBMINOR_VERSION > 0 13#define FLEX_BETA 14#endif 15 16/* First, we deal with platform-specific or compiler-specific issues. */ 17 18/* begin standard C headers. */ 19#include <stdio.h> 20#include <string.h> 21#include <errno.h> 22#include <stdlib.h> 23 24/* end standard C headers. */ 25 26/* flex integer type definitions */ 27 28#ifndef FLEXINT_H 29#define FLEXINT_H 30 31/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ 32 33#if __STDC_VERSION__ >= 199901L 34 35/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, 36 * if you want the limit (max/min) macros for int types. 37 */ 38#ifndef __STDC_LIMIT_MACROS 39#define __STDC_LIMIT_MACROS 1 40#endif 41 42#include <inttypes.h> 43typedef int8_t flex_int8_t; 44typedef uint8_t flex_uint8_t; 45typedef int16_t flex_int16_t; 46typedef uint16_t flex_uint16_t; 47typedef int32_t flex_int32_t; 48typedef uint32_t flex_uint32_t; 49#else 50typedef signed char flex_int8_t; 51typedef short int flex_int16_t; 52typedef int flex_int32_t; 53typedef unsigned char flex_uint8_t; 54typedef unsigned short int flex_uint16_t; 55typedef unsigned int flex_uint32_t; 56#endif /* ! C99 */ 57 58/* Limits of integral types. */ 59#ifndef INT8_MIN 60#define INT8_MIN (-128) 61#endif 62#ifndef INT16_MIN 63#define INT16_MIN (-32767-1) 64#endif 65#ifndef INT32_MIN 66#define INT32_MIN (-2147483647-1) 67#endif 68#ifndef INT8_MAX 69#define INT8_MAX (127) 70#endif 71#ifndef INT16_MAX 72#define INT16_MAX (32767) 73#endif 74#ifndef INT32_MAX 75#define INT32_MAX (2147483647) 76#endif 77#ifndef UINT8_MAX 78#define UINT8_MAX (255U) 79#endif 80#ifndef UINT16_MAX 81#define UINT16_MAX (65535U) 82#endif 83#ifndef UINT32_MAX 84#define UINT32_MAX (4294967295U) 85#endif 86 87#endif /* ! FLEXINT_H */ 88 89#ifdef __cplusplus 90 91/* The "const" storage-class-modifier is valid. */ 92#define YY_USE_CONST 93 94#else /* ! __cplusplus */ 95 96#if __STDC__ 97 98#define YY_USE_CONST 99 100#endif /* __STDC__ */ 101#endif /* ! __cplusplus */ 102 103#ifdef YY_USE_CONST 104#define yyconst const 105#else 106#define yyconst 107#endif 108 109/* Returned upon end-of-file. */ 110#define YY_NULL 0 111 112/* Promotes a possibly negative, possibly signed char to an unsigned 113 * integer for use as an array index. If the signed char is negative, 114 * we want to instead treat it as an 8-bit unsigned char, hence the 115 * double cast. 116 */ 117#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) 118 119/* Enter a start condition. This macro really ought to take a parameter, 120 * but we do it the disgusting crufty way forced on us by the ()-less 121 * definition of BEGIN. 122 */ 123#define BEGIN (yy_start) = 1 + 2 * 124 125/* Translate the current start state into a value that can be later handed 126 * to BEGIN to return to the state. The YYSTATE alias is for lex 127 * compatibility. 128 */ 129#define YY_START (((yy_start) - 1) / 2) 130#define YYSTATE YY_START 131 132/* Action number for EOF rule of a given start state. */ 133#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) 134 135/* Special action meaning "start processing a new file". */ 136#define YY_NEW_FILE zconfrestart(zconfin ) 137 138#define YY_END_OF_BUFFER_CHAR 0 139 140/* Size of default input buffer. */ 141#ifndef YY_BUF_SIZE 142#define YY_BUF_SIZE 16384 143#endif 144 145/* The state buf must be large enough to hold one state per character in the main buffer. 146 */ 147#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) 148 149#ifndef YY_TYPEDEF_YY_BUFFER_STATE 150#define YY_TYPEDEF_YY_BUFFER_STATE 151typedef struct yy_buffer_state *YY_BUFFER_STATE; 152#endif 153 154extern int zconfleng; 155 156extern FILE *zconfin, *zconfout; 157 158#define EOB_ACT_CONTINUE_SCAN 0 159#define EOB_ACT_END_OF_FILE 1 160#define EOB_ACT_LAST_MATCH 2 161 162 #define YY_LESS_LINENO(n) 163 164/* Return all but the first "n" matched characters back to the input stream. */ 165#define yyless(n) \ 166 do \ 167 { \ 168 /* Undo effects of setting up zconftext. */ \ 169 int yyless_macro_arg = (n); \ 170 YY_LESS_LINENO(yyless_macro_arg);\ 171 *yy_cp = (yy_hold_char); \ 172 YY_RESTORE_YY_MORE_OFFSET \ 173 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ 174 YY_DO_BEFORE_ACTION; /* set up zconftext again */ \ 175 } \ 176 while ( 0 ) 177 178#define unput(c) yyunput( c, (yytext_ptr) ) 179 180/* The following is because we cannot portably get our hands on size_t 181 * (without autoconf's help, which isn't available because we want 182 * flex-generated scanners to compile on their own). 183 */ 184 185#ifndef YY_TYPEDEF_YY_SIZE_T 186#define YY_TYPEDEF_YY_SIZE_T 187typedef unsigned int yy_size_t; 188#endif 189 190#ifndef YY_STRUCT_YY_BUFFER_STATE 191#define YY_STRUCT_YY_BUFFER_STATE 192struct yy_buffer_state 193 { 194 FILE *yy_input_file; 195 196 char *yy_ch_buf; /* input buffer */ 197 char *yy_buf_pos; /* current position in input buffer */ 198 199 /* Size of input buffer in bytes, not including room for EOB 200 * characters. 201 */ 202 yy_size_t yy_buf_size; 203 204 /* Number of characters read into yy_ch_buf, not including EOB 205 * characters. 206 */ 207 int yy_n_chars; 208 209 /* Whether we "own" the buffer - i.e., we know we created it, 210 * and can realloc() it to grow it, and should free() it to 211 * delete it. 212 */ 213 int yy_is_our_buffer; 214 215 /* Whether this is an "interactive" input source; if so, and 216 * if we're using stdio for input, then we want to use getc() 217 * instead of fread(), to make sure we stop fetching input after 218 * each newline. 219 */ 220 int yy_is_interactive; 221 222 /* Whether we're considered to be at the beginning of a line. 223 * If so, '^' rules will be active on the next match, otherwise 224 * not. 225 */ 226 int yy_at_bol; 227 228 int yy_bs_lineno; /**< The line count. */ 229 int yy_bs_column; /**< The column count. */ 230 231 /* Whether to try to fill the input buffer when we reach the 232 * end of it. 233 */ 234 int yy_fill_buffer; 235 236 int yy_buffer_status; 237 238#define YY_BUFFER_NEW 0 239#define YY_BUFFER_NORMAL 1 240 /* When an EOF's been seen but there's still some text to process 241 * then we mark the buffer as YY_EOF_PENDING, to indicate that we 242 * shouldn't try reading from the input source any more. We might 243 * still have a bunch of tokens to match, though, because of 244 * possible backing-up. 245 * 246 * When we actually see the EOF, we change the status to "new" 247 * (via zconfrestart()), so that the user can continue scanning by 248 * just pointing zconfin at a new input file. 249 */ 250#define YY_BUFFER_EOF_PENDING 2 251 252 }; 253#endif /* !YY_STRUCT_YY_BUFFER_STATE */ 254 255/* Stack of input buffers. */ 256static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ 257static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ 258static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ 259 260/* We provide macros for accessing buffer states in case in the 261 * future we want to put the buffer states in a more general 262 * "scanner state". 263 * 264 * Returns the top of the stack, or NULL. 265 */ 266#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ 267 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ 268 : NULL) 269 270/* Same as previous macro, but useful when we know that the buffer stack is not 271 * NULL or when we need an lvalue. For internal use only. 272 */ 273#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] 274 275/* yy_hold_char holds the character lost when zconftext is formed. */ 276static char yy_hold_char; 277static int yy_n_chars; /* number of characters read into yy_ch_buf */ 278int zconfleng; 279 280/* Points to current character in buffer. */ 281static char *yy_c_buf_p = (char *) 0; 282static int yy_init = 0; /* whether we need to initialize */ 283static int yy_start = 0; /* start state number */ 284 285/* Flag which is used to allow zconfwrap()'s to do buffer switches 286 * instead of setting up a fresh zconfin. A bit of a hack ... 287 */ 288static int yy_did_buffer_switch_on_eof; 289 290void zconfrestart (FILE *input_file ); 291void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ); 292YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size ); 293void zconf_delete_buffer (YY_BUFFER_STATE b ); 294void zconf_flush_buffer (YY_BUFFER_STATE b ); 295void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ); 296void zconfpop_buffer_state (void ); 297 298static void zconfensure_buffer_stack (void ); 299static void zconf_load_buffer_state (void ); 300static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *file ); 301 302#define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER ) 303 304YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size ); 305YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str ); 306YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,int len ); 307 308void *zconfalloc (yy_size_t ); 309void *zconfrealloc (void *,yy_size_t ); 310void zconffree (void * ); 311 312#define yy_new_buffer zconf_create_buffer 313 314#define yy_set_interactive(is_interactive) \ 315 { \ 316 if ( ! YY_CURRENT_BUFFER ){ \ 317 zconfensure_buffer_stack (); \ 318 YY_CURRENT_BUFFER_LVALUE = \ 319 zconf_create_buffer(zconfin,YY_BUF_SIZE ); \ 320 } \ 321 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ 322 } 323 324#define yy_set_bol(at_bol) \ 325 { \ 326 if ( ! YY_CURRENT_BUFFER ){\ 327 zconfensure_buffer_stack (); \ 328 YY_CURRENT_BUFFER_LVALUE = \ 329 zconf_create_buffer(zconfin,YY_BUF_SIZE ); \ 330 } \ 331 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ 332 } 333 334#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) 335 336/* Begin user sect3 */ 337 338#define zconfwrap() 1 339#define YY_SKIP_YYWRAP 340 341typedef unsigned char YY_CHAR; 342 343FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0; 344 345typedef int yy_state_type; 346 347extern int zconflineno; 348 349int zconflineno = 1; 350 351extern char *zconftext; 352#define yytext_ptr zconftext 353static yyconst flex_int16_t yy_nxt[][17] = 354 { 355 { 356 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 357 0, 0, 0, 0, 0, 0, 0 358 }, 359 360 { 361 11, 12, 13, 14, 12, 12, 15, 12, 12, 12, 362 12, 12, 12, 12, 12, 12, 12 363 }, 364 365 { 366 11, 12, 13, 14, 12, 12, 15, 12, 12, 12, 367 12, 12, 12, 12, 12, 12, 12 368 }, 369 370 { 371 11, 16, 16, 17, 16, 16, 16, 16, 16, 16, 372 16, 16, 16, 18, 16, 16, 16 373 }, 374 375 { 376 11, 16, 16, 17, 16, 16, 16, 16, 16, 16, 377 16, 16, 16, 18, 16, 16, 16 378 379 }, 380 381 { 382 11, 19, 20, 21, 19, 19, 19, 19, 19, 19, 383 19, 19, 19, 19, 19, 19, 19 384 }, 385 386 { 387 11, 19, 20, 21, 19, 19, 19, 19, 19, 19, 388 19, 19, 19, 19, 19, 19, 19 389 }, 390 391 { 392 11, 22, 22, 23, 22, 24, 22, 22, 24, 22, 393 22, 22, 22, 22, 22, 25, 22 394 }, 395 396 { 397 11, 22, 22, 23, 22, 24, 22, 22, 24, 22, 398 22, 22, 22, 22, 22, 25, 22 399 }, 400 401 { 402 11, 26, 26, 27, 28, 29, 30, 31, 29, 32, 403 33, 34, 35, 35, 36, 37, 38 404 405 }, 406 407 { 408 11, 26, 26, 27, 28, 29, 30, 31, 29, 32, 409 33, 34, 35, 35, 36, 37, 38 410 }, 411 412 { 413 -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, 414 -11, -11, -11, -11, -11, -11, -11 415 }, 416 417 { 418 11, -12, -12, -12, -12, -12, -12, -12, -12, -12, 419 -12, -12, -12, -12, -12, -12, -12 420 }, 421 422 { 423 11, -13, 39, 40, -13, -13, 41, -13, -13, -13, 424 -13, -13, -13, -13, -13, -13, -13 425 }, 426 427 { 428 11, -14, -14, -14, -14, -14, -14, -14, -14, -14, 429 -14, -14, -14, -14, -14, -14, -14 430 431 }, 432 433 { 434 11, 42, 42, 43, 42, 42, 42, 42, 42, 42, 435 42, 42, 42, 42, 42, 42, 42 436 }, 437 438 { 439 11, -16, -16, -16, -16, -16, -16, -16, -16, -16, 440 -16, -16, -16, -16, -16, -16, -16 441 }, 442 443 { 444 11, -17, -17, -17, -17, -17, -17, -17, -17, -17, 445 -17, -17, -17, -17, -17, -17, -17 446 }, 447 448 { 449 11, -18, -18, -18, -18, -18, -18, -18, -18, -18, 450 -18, -18, -18, 44, -18, -18, -18 451 }, 452 453 { 454 11, 45, 45, -19, 45, 45, 45, 45, 45, 45, 455 45, 45, 45, 45, 45, 45, 45 456 457 }, 458 459 { 460 11, -20, 46, 47, -20, -20, -20, -20, -20, -20, 461 -20, -20, -20, -20, -20, -20, -20 462 }, 463 464 { 465 11, 48, -21, -21, 48, 48, 48, 48, 48, 48, 466 48, 48, 48, 48, 48, 48, 48 467 }, 468 469 { 470 11, 49, 49, 50, 49, -22, 49, 49, -22, 49, 471 49, 49, 49, 49, 49, -22, 49 472 }, 473 474 { 475 11, -23, -23, -23, -23, -23, -23, -23, -23, -23, 476 -23, -23, -23, -23, -23, -23, -23 477 }, 478 479 { 480 11, -24, -24, -24, -24, -24, -24, -24, -24, -24, 481 -24, -24, -24, -24, -24, -24, -24 482 483 }, 484 485 { 486 11, 51, 51, 52, 51, 51, 51, 51, 51, 51, 487 51, 51, 51, 51, 51, 51, 51 488 }, 489 490 { 491 11, -26, -26, -26, -26, -26, -26, -26, -26, -26, 492 -26, -26, -26, -26, -26, -26, -26 493 }, 494 495 { 496 11, -27, -27, -27, -27, -27, -27, -27, -27, -27, 497 -27, -27, -27, -27, -27, -27, -27 498 }, 499 500 { 501 11, -28, -28, -28, -28, -28, -28, -28, -28, -28, 502 -28, -28, -28, -28, 53, -28, -28 503 }, 504 505 { 506 11, -29, -29, -29, -29, -29, -29, -29, -29, -29, 507 -29, -29, -29, -29, -29, -29, -29 508 509 }, 510 511 { 512 11, 54, 54, -30, 54, 54, 54, 54, 54, 54, 513 54, 54, 54, 54, 54, 54, 54 514 }, 515 516 { 517 11, -31, -31, -31, -31, -31, -31, 55, -31, -31, 518 -31, -31, -31, -31, -31, -31, -31 519 }, 520 521 { 522 11, -32, -32, -32, -32, -32, -32, -32, -32, -32, 523 -32, -32, -32, -32, -32, -32, -32 524 }, 525 526 { 527 11, -33, -33, -33, -33, -33, -33, -33, -33, -33, 528 -33, -33, -33, -33, -33, -33, -33 529 }, 530 531 { 532 11, -34, -34, -34, -34, -34, -34, -34, -34, -34, 533 -34, 56, 57, 57, -34, -34, -34 534 535 }, 536 537 { 538 11, -35, -35, -35, -35, -35, -35, -35, -35, -35, 539 -35, 57, 57, 57, -35, -35, -35 540 }, 541 542 { 543 11, -36, -36, -36, -36, -36, -36, -36, -36, -36, 544 -36, -36, -36, -36, -36, -36, -36 545 }, 546 547 { 548 11, -37, -37, 58, -37, -37, -37, -37, -37, -37, 549 -37, -37, -37, -37, -37, -37, -37 550 }, 551 552 { 553 11, -38, -38, -38, -38, -38, -38, -38, -38, -38, 554 -38, -38, -38, -38, -38, -38, 59 555 }, 556 557 { 558 11, -39, 39, 40, -39, -39, 41, -39, -39, -39, 559 -39, -39, -39, -39, -39, -39, -39 560 561 }, 562 563 { 564 11, -40, -40, -40, -40, -40, -40, -40, -40, -40, 565 -40, -40, -40, -40, -40, -40, -40 566 }, 567 568 { 569 11, 42, 42, 43, 42, 42, 42, 42, 42, 42, 570 42, 42, 42, 42, 42, 42, 42 571 }, 572 573 { 574 11, 42, 42, 43, 42, 42, 42, 42, 42, 42, 575 42, 42, 42, 42, 42, 42, 42 576 }, 577 578 { 579 11, -43, -43, -43, -43, -43, -43, -43, -43, -43, 580 -43, -43, -43, -43, -43, -43, -43 581 }, 582 583 { 584 11, -44, -44, -44, -44, -44, -44, -44, -44, -44, 585 -44, -44, -44, 44, -44, -44, -44 586 587 }, 588 589 { 590 11, 45, 45, -45, 45, 45, 45, 45, 45, 45, 591 45, 45, 45, 45, 45, 45, 45 592 }, 593 594 { 595 11, -46, 46, 47, -46, -46, -46, -46, -46, -46, 596 -46, -46, -46, -46, -46, -46, -46 597 }, 598 599 { 600 11, 48, -47, -47, 48, 48, 48, 48, 48, 48, 601 48, 48, 48, 48, 48, 48, 48 602 }, 603 604 { 605 11, -48, -48, -48, -48, -48, -48, -48, -48, -48, 606 -48, -48, -48, -48, -48, -48, -48 607 }, 608 609 { 610 11, 49, 49, 50, 49, -49, 49, 49, -49, 49, 611 49, 49, 49, 49, 49, -49, 49 612 613 }, 614 615 { 616 11, -50, -50, -50, -50, -50, -50, -50, -50, -50, 617 -50, -50, -50, -50, -50, -50, -50 618 }, 619 620 { 621 11, -51, -51, 52, -51, -51, -51, -51, -51, -51, 622 -51, -51, -51, -51, -51, -51, -51 623 }, 624 625 { 626 11, -52, -52, -52, -52, -52, -52, -52, -52, -52, 627 -52, -52, -52, -52, -52, -52, -52 628 }, 629 630 { 631 11, -53, -53, -53, -53, -53, -53, -53, -53, -53, 632 -53, -53, -53, -53, -53, -53, -53 633 }, 634 635 { 636 11, 54, 54, -54, 54, 54, 54, 54, 54, 54, 637 54, 54, 54, 54, 54, 54, 54 638 639 }, 640 641 { 642 11, -55, -55, -55, -55, -55, -55, -55, -55, -55, 643 -55, -55, -55, -55, -55, -55, -55 644 }, 645 646 { 647 11, -56, -56, -56, -56, -56, -56, -56, -56, -56, 648 -56, 60, 57, 57, -56, -56, -56 649 }, 650 651 { 652 11, -57, -57, -57, -57, -57, -57, -57, -57, -57, 653 -57, 57, 57, 57, -57, -57, -57 654 }, 655 656 { 657 11, -58, -58, -58, -58, -58, -58, -58, -58, -58, 658 -58, -58, -58, -58, -58, -58, -58 659 }, 660 661 { 662 11, -59, -59, -59, -59, -59, -59, -59, -59, -59, 663 -59, -59, -59, -59, -59, -59, -59 664 665 }, 666 667 { 668 11, -60, -60, -60, -60, -60, -60, -60, -60, -60, 669 -60, 57, 57, 57, -60, -60, -60 670 }, 671 672 } ; 673 674static yy_state_type yy_get_previous_state (void ); 675static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); 676static int yy_get_next_buffer (void ); 677static void yy_fatal_error (yyconst char msg[] ); 678 679/* Done after the current pattern has been matched and before the 680 * corresponding action - sets up zconftext. 681 */ 682#define YY_DO_BEFORE_ACTION \ 683 (yytext_ptr) = yy_bp; \ 684 zconfleng = (size_t) (yy_cp - yy_bp); \ 685 (yy_hold_char) = *yy_cp; \ 686 *yy_cp = '\0'; \ 687 (yy_c_buf_p) = yy_cp; 688 689#define YY_NUM_RULES 33 690#define YY_END_OF_BUFFER 34 691/* This struct is not used in this scanner, 692 but its presence is necessary. */ 693struct yy_trans_info 694 { 695 flex_int32_t yy_verify; 696 flex_int32_t yy_nxt; 697 }; 698static yyconst flex_int16_t yy_accept[61] = 699 { 0, 700 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 701 34, 5, 4, 2, 3, 7, 8, 6, 32, 29, 702 31, 24, 28, 27, 26, 22, 17, 13, 16, 20, 703 22, 11, 12, 19, 19, 14, 22, 22, 4, 2, 704 3, 3, 1, 6, 32, 29, 31, 30, 24, 23, 705 26, 25, 15, 20, 9, 19, 19, 21, 10, 18 706 } ; 707 708static yyconst flex_int32_t yy_ec[256] = 709 { 0, 710 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 711 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 712 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 713 1, 2, 4, 5, 6, 1, 1, 7, 8, 9, 714 10, 1, 1, 1, 11, 12, 12, 13, 13, 13, 715 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 716 14, 1, 1, 1, 13, 13, 13, 13, 13, 13, 717 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 718 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 719 1, 15, 1, 1, 13, 1, 13, 13, 13, 13, 720 721 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 722 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 723 13, 13, 1, 16, 1, 1, 1, 1, 1, 1, 724 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 725 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 726 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 727 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 728 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 729 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 730 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 731 732 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 733 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 734 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 735 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 736 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 737 1, 1, 1, 1, 1 738 } ; 739 740extern int zconf_flex_debug; 741int zconf_flex_debug = 0; 742 743/* The intent behind this definition is that it'll catch 744 * any uses of REJECT which flex missed. 745 */ 746#define REJECT reject_used_but_not_detected 747#define yymore() yymore_used_but_not_detected 748#define YY_MORE_ADJ 0 749#define YY_RESTORE_YY_MORE_OFFSET 750char *zconftext; 751 752/* 753 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> 754 * Released under the terms of the GNU GPL v2.0. 755 */ 756 757#include <limits.h> 758#include <stdio.h> 759#include <stdlib.h> 760#include <string.h> 761#include <unistd.h> 762 763#define LKC_DIRECT_LINK 764#include "lkc.h" 765 766#define START_STRSIZE 16 767 768static struct { 769 struct file *file; 770 int lineno; 771} current_pos; 772 773static char *text; 774static int text_size, text_asize; 775 776struct buffer { 777 struct buffer *parent; 778 YY_BUFFER_STATE state; 779}; 780 781struct buffer *current_buf; 782 783static int last_ts, first_ts; 784 785static void zconf_endhelp(void); 786static void zconf_endfile(void); 787 788void new_string(void) 789{ 790 text = malloc(START_STRSIZE); 791 text_asize = START_STRSIZE; 792 text_size = 0; 793 *text = 0; 794} 795 796void append_string(const char *str, int size) 797{ 798 int new_size = text_size + size + 1; 799 if (new_size > text_asize) { 800 new_size += START_STRSIZE - 1; 801 new_size &= -START_STRSIZE; 802 text = realloc(text, new_size); 803 text_asize = new_size; 804 } 805 memcpy(text + text_size, str, size); 806 text_size += size; 807 text[text_size] = 0; 808} 809 810void alloc_string(const char *str, int size) 811{ 812 text = malloc(size + 1); 813 memcpy(text, str, size); 814 text[size] = 0; 815} 816 817#define INITIAL 0 818#define COMMAND 1 819#define HELP 2 820#define STRING 3 821#define PARAM 4 822 823#ifndef YY_NO_UNISTD_H 824/* Special case for "unistd.h", since it is non-ANSI. We include it way 825 * down here because we want the user's section 1 to have been scanned first. 826 * The user has a chance to override it with an option. 827 */ 828#include <unistd.h> 829#endif 830 831#ifndef YY_EXTRA_TYPE 832#define YY_EXTRA_TYPE void * 833#endif 834 835static int yy_init_globals (void ); 836 837/* Macros after this point can all be overridden by user definitions in 838 * section 1. 839 */ 840 841#ifndef YY_SKIP_YYWRAP 842#ifdef __cplusplus 843extern "C" int zconfwrap (void ); 844#else 845extern int zconfwrap (void ); 846#endif 847#endif 848 849 static void yyunput (int c,char *buf_ptr ); 850 851#ifndef yytext_ptr 852static void yy_flex_strncpy (char *,yyconst char *,int ); 853#endif 854 855#ifdef YY_NEED_STRLEN 856static int yy_flex_strlen (yyconst char * ); 857#endif 858 859#ifndef YY_NO_INPUT 860 861#ifdef __cplusplus 862static int yyinput (void ); 863#else 864static int input (void ); 865#endif 866 867#endif 868 869/* Amount of stuff to slurp up with each read. */ 870#ifndef YY_READ_BUF_SIZE 871#define YY_READ_BUF_SIZE 8192 872#endif 873 874/* Copy whatever the last rule matched to the standard output. */ 875#ifndef ECHO 876/* This used to be an fputs(), but since the string might contain NUL's, 877 * we now use fwrite(). 878 */ 879#define ECHO (void) fwrite( zconftext, zconfleng, 1, zconfout ) 880#endif 881 882/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, 883 * is returned in "result". 884 */ 885#ifndef YY_INPUT 886#define YY_INPUT(buf,result,max_size) \ 887 errno=0; \ 888 while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \ 889 { \ 890 if( errno != EINTR) \ 891 { \ 892 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 893 break; \ 894 } \ 895 errno=0; \ 896 clearerr(zconfin); \ 897 }\ 898\ 899 900#endif 901 902/* No semi-colon after return; correct usage is to write "yyterminate();" - 903 * we don't want an extra ';' after the "return" because that will cause 904 * some compilers to complain about unreachable statements. 905 */ 906#ifndef yyterminate 907#define yyterminate() return YY_NULL 908#endif 909 910/* Number of entries by which start-condition stack grows. */ 911#ifndef YY_START_STACK_INCR 912#define YY_START_STACK_INCR 25 913#endif 914 915/* Report a fatal error. */ 916#ifndef YY_FATAL_ERROR 917#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) 918#endif 919 920/* end tables serialization structures and prototypes */ 921 922/* Default declaration of generated scanner - a define so the user can 923 * easily add parameters. 924 */ 925#ifndef YY_DECL 926#define YY_DECL_IS_OURS 1 927 928extern int zconflex (void); 929 930#define YY_DECL int zconflex (void) 931#endif /* !YY_DECL */ 932 933/* Code executed at the beginning of each rule, after zconftext and zconfleng 934 * have been set up. 935 */ 936#ifndef YY_USER_ACTION 937#define YY_USER_ACTION 938#endif 939 940/* Code executed at the end of each rule. */ 941#ifndef YY_BREAK 942#define YY_BREAK break; 943#endif 944 945#define YY_RULE_SETUP \ 946 YY_USER_ACTION 947 948/** The main scanner function which does all the work. 949 */ 950YY_DECL 951{ 952 register yy_state_type yy_current_state; 953 register char *yy_cp, *yy_bp; 954 register int yy_act; 955 956 int str = 0; 957 int ts, i; 958 959 if ( !(yy_init) ) 960 { 961 (yy_init) = 1; 962 963#ifdef YY_USER_INIT 964 YY_USER_INIT; 965#endif 966 967 if ( ! (yy_start) ) 968 (yy_start) = 1; /* first start state */ 969 970 if ( ! zconfin ) 971 zconfin = stdin; 972 973 if ( ! zconfout ) 974 zconfout = stdout; 975 976 if ( ! YY_CURRENT_BUFFER ) { 977 zconfensure_buffer_stack (); 978 YY_CURRENT_BUFFER_LVALUE = 979 zconf_create_buffer(zconfin,YY_BUF_SIZE ); 980 } 981 982 zconf_load_buffer_state( ); 983 } 984 985 while ( 1 ) /* loops until end-of-file is reached */ 986 { 987 yy_cp = (yy_c_buf_p); 988 989 /* Support of zconftext. */ 990 *yy_cp = (yy_hold_char); 991 992 /* yy_bp points to the position in yy_ch_buf of the start of 993 * the current run. 994 */ 995 yy_bp = yy_cp; 996 997 yy_current_state = (yy_start); 998yy_match: 999 while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)] ]) > 0 ) 1000 ++yy_cp;
1001 1002 yy_current_state = -yy_current_state; 1003 1004yy_find_action: 1005 yy_act = yy_accept[yy_current_state]; 1006 1007 YY_DO_BEFORE_ACTION; 1008 1009do_action: /* This label is used only to access EOF actions. */ 1010 1011 switch ( yy_act ) 1012 { /* beginning of action switch */ 1013case 1: 1014/* rule 1 can match eol */ 1015case 2: 1016/* rule 2 can match eol */ 1017YY_RULE_SETUP 1018{ 1019 current_file->lineno++; 1020 return T_EOL; 1021} 1022 YY_BREAK 1023case 3: 1024YY_RULE_SETUP 1025 1026 YY_BREAK 1027case 4: 1028YY_RULE_SETUP 1029{ 1030 BEGIN(COMMAND); 1031} 1032 YY_BREAK 1033case 5: 1034YY_RULE_SETUP 1035{ 1036 unput(zconftext[0]); 1037 BEGIN(COMMAND); 1038} 1039 YY_BREAK 1040 1041case 6: 1042YY_RULE_SETUP 1043{ 1044 struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng); 1045 BEGIN(PARAM); 1046 current_pos.file = current_file; 1047 current_pos.lineno = current_file->lineno; 1048 if (id && id->flags & TF_COMMAND) { 1049 zconflval.id = id; 1050 return id->token; 1051 } 1052 alloc_string(zconftext, zconfleng); 1053 zconflval.string = text; 1054 return T_WORD; 1055 } 1056 YY_BREAK 1057case 7: 1058YY_RULE_SETUP 1059 1060 YY_BREAK 1061case 8: 1062/* rule 8 can match eol */ 1063YY_RULE_SETUP 1064{ 1065 BEGIN(INITIAL); 1066 current_file->lineno++; 1067 return T_EOL; 1068 } 1069 YY_BREAK 1070 1071case 9: 1072YY_RULE_SETUP 1073return T_AND; 1074 YY_BREAK 1075case 10: 1076YY_RULE_SETUP 1077return T_OR; 1078 YY_BREAK 1079case 11: 1080YY_RULE_SETUP 1081return T_OPEN_PAREN; 1082 YY_BREAK 1083case 12: 1084YY_RULE_SETUP 1085return T_CLOSE_PAREN; 1086 YY_BREAK 1087case 13: 1088YY_RULE_SETUP 1089return T_NOT; 1090 YY_BREAK 1091case 14: 1092YY_RULE_SETUP 1093return T_EQUAL; 1094 YY_BREAK 1095case 15: 1096YY_RULE_SETUP 1097return T_UNEQUAL; 1098 YY_BREAK 1099case 16: 1100YY_RULE_SETUP 1101{ 1102 str = zconftext[0]; 1103 new_string(); 1104 BEGIN(STRING); 1105 } 1106 YY_BREAK 1107case 17: 1108/* rule 17 can match eol */ 1109YY_RULE_SETUP 1110BEGIN(INITIAL); current_file->lineno++; return T_EOL; 1111 YY_BREAK 1112case 18: 1113YY_RULE_SETUP 1114/* ignore */ 1115 YY_BREAK 1116case 19: 1117YY_RULE_SETUP 1118{ 1119 struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng); 1120 if (id && id->flags & TF_PARAM) { 1121 zconflval.id = id; 1122 return id->token; 1123 } 1124 alloc_string(zconftext, zconfleng); 1125 zconflval.string = text; 1126 return T_WORD; 1127 } 1128 YY_BREAK 1129case 20: 1130YY_RULE_SETUP 1131/* comment */ 1132 YY_BREAK 1133case 21: 1134/* rule 21 can match eol */ 1135YY_RULE_SETUP 1136current_file->lineno++; 1137 YY_BREAK 1138case 22: 1139YY_RULE_SETUP 1140 1141 YY_BREAK 1142case YY_STATE_EOF(PARAM): 1143{ 1144 BEGIN(INITIAL); 1145 } 1146 YY_BREAK 1147 1148case 23: 1149/* rule 23 can match eol */ 1150*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ 1151(yy_c_buf_p) = yy_cp -= 1; 1152YY_DO_BEFORE_ACTION; /* set up zconftext again */ 1153YY_RULE_SETUP 1154{ 1155 append_string(zconftext, zconfleng); 1156 zconflval.string = text; 1157 return T_WORD_QUOTE; 1158 } 1159 YY_BREAK 1160case 24: 1161YY_RULE_SETUP 1162{ 1163 append_string(zconftext, zconfleng); 1164 } 1165 YY_BREAK 1166case 25: 1167/* rule 25 can match eol */ 1168*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ 1169(yy_c_buf_p) = yy_cp -= 1; 1170YY_DO_BEFORE_ACTION; /* set up zconftext again */ 1171YY_RULE_SETUP 1172{ 1173 append_string(zconftext + 1, zconfleng - 1); 1174 zconflval.string = text; 1175 return T_WORD_QUOTE; 1176 } 1177 YY_BREAK 1178case 26: 1179YY_RULE_SETUP 1180{ 1181 append_string(zconftext + 1, zconfleng - 1); 1182 } 1183 YY_BREAK 1184case 27: 1185YY_RULE_SETUP 1186{ 1187 if (str == zconftext[0]) { 1188 BEGIN(PARAM); 1189 zconflval.string = text; 1190 return T_WORD_QUOTE; 1191 } else 1192 append_string(zconftext, 1); 1193 } 1194 YY_BREAK 1195case 28: 1196/* rule 28 can match eol */ 1197YY_RULE_SETUP 1198{ 1199 printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); 1200 current_file->lineno++; 1201 BEGIN(INITIAL); 1202 return T_EOL; 1203 } 1204 YY_BREAK 1205case YY_STATE_EOF(STRING): 1206{ 1207 BEGIN(INITIAL); 1208 } 1209 YY_BREAK 1210 1211case 29: 1212YY_RULE_SETUP 1213{ 1214 ts = 0; 1215 for (i = 0; i < zconfleng; i++) { 1216 if (zconftext[i] == '\t') 1217 ts = (ts & ~7) + 8; 1218 else 1219 ts++; 1220 } 1221 last_ts = ts; 1222 if (first_ts) { 1223 if (ts < first_ts) { 1224 zconf_endhelp(); 1225 return T_HELPTEXT; 1226 } 1227 ts -= first_ts; 1228 while (ts > 8) { 1229 append_string(" ", 8); 1230 ts -= 8; 1231 } 1232 append_string(" ", ts); 1233 } 1234 } 1235 YY_BREAK 1236case 30: 1237/* rule 30 can match eol */ 1238*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ 1239(yy_c_buf_p) = yy_cp -= 1; 1240YY_DO_BEFORE_ACTION; /* set up zconftext again */ 1241YY_RULE_SETUP 1242{ 1243 current_file->lineno++; 1244 zconf_endhelp(); 1245 return T_HELPTEXT; 1246 } 1247 YY_BREAK 1248case 31: 1249/* rule 31 can match eol */ 1250YY_RULE_SETUP 1251{ 1252 current_file->lineno++; 1253 append_string("\n", 1); 1254 } 1255 YY_BREAK 1256case 32: 1257YY_RULE_SETUP 1258{ 1259 append_string(zconftext, zconfleng); 1260 if (!first_ts) 1261 first_ts = last_ts; 1262 } 1263 YY_BREAK 1264case YY_STATE_EOF(HELP): 1265{ 1266 zconf_endhelp(); 1267 return T_HELPTEXT; 1268 } 1269 YY_BREAK 1270 1271case YY_STATE_EOF(INITIAL): 1272case YY_STATE_EOF(COMMAND): 1273{ 1274 if (current_file) { 1275 zconf_endfile(); 1276 return T_EOL; 1277 } 1278 fclose(zconfin); 1279 yyterminate(); 1280} 1281 YY_BREAK 1282case 33: 1283YY_RULE_SETUP 1284YY_FATAL_ERROR( "flex scanner jammed" ); 1285 YY_BREAK 1286 1287 case YY_END_OF_BUFFER: 1288 { 1289 /* Amount of text matched not including the EOB char. */ 1290 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; 1291 1292 /* Undo the effects of YY_DO_BEFORE_ACTION. */ 1293 *yy_cp = (yy_hold_char); 1294 YY_RESTORE_YY_MORE_OFFSET 1295 1296 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) 1297 { 1298 /* We're scanning a new file or input source. It's 1299 * possible that this happened because the user 1300 * just pointed zconfin at a new source and called 1301 * zconflex(). If so, then we have to assure 1302 * consistency between YY_CURRENT_BUFFER and our 1303 * globals. Here is the right place to do so, because 1304 * this is the first action (other than possibly a 1305 * back-up) that will match for the new input source. 1306 */ 1307 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1308 YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin; 1309 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; 1310 } 1311 1312 /* Note that here we test for yy_c_buf_p "<=" to the position 1313 * of the first EOB in the buffer, since yy_c_buf_p will 1314 * already have been incremented past the NUL character 1315 * (since all states make transitions on EOB to the 1316 * end-of-buffer state). Contrast this with the test 1317 * in input(). 1318 */ 1319 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1320 { /* This was really a NUL. */ 1321 yy_state_type yy_next_state; 1322 1323 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; 1324 1325 yy_current_state = yy_get_previous_state( ); 1326 1327 /* Okay, we're now positioned to make the NUL 1328 * transition. We couldn't have 1329 * yy_get_previous_state() go ahead and do it 1330 * for us because it doesn't know how to deal 1331 * with the possibility of jamming (and we don't 1332 * want to build jamming into it because then it 1333 * will run more slowly). 1334 */ 1335 1336 yy_next_state = yy_try_NUL_trans( yy_current_state ); 1337 1338 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1339 1340 if ( yy_next_state ) 1341 { 1342 /* Consume the NUL. */ 1343 yy_cp = ++(yy_c_buf_p); 1344 yy_current_state = yy_next_state; 1345 goto yy_match; 1346 } 1347 1348 else 1349 { 1350 yy_cp = (yy_c_buf_p); 1351 goto yy_find_action; 1352 } 1353 } 1354 1355 else switch ( yy_get_next_buffer( ) ) 1356 { 1357 case EOB_ACT_END_OF_FILE: 1358 { 1359 (yy_did_buffer_switch_on_eof) = 0; 1360 1361 if ( zconfwrap( ) ) 1362 { 1363 /* Note: because we've taken care in 1364 * yy_get_next_buffer() to have set up 1365 * zconftext, we can now set up 1366 * yy_c_buf_p so that if some total 1367 * hoser (like flex itself) wants to 1368 * call the scanner after we return the 1369 * YY_NULL, it'll still work - another 1370 * YY_NULL will get returned. 1371 */ 1372 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; 1373 1374 yy_act = YY_STATE_EOF(YY_START); 1375 goto do_action; 1376 } 1377 1378 else 1379 { 1380 if ( ! (yy_did_buffer_switch_on_eof) ) 1381 YY_NEW_FILE; 1382 } 1383 break; 1384 } 1385 1386 case EOB_ACT_CONTINUE_SCAN: 1387 (yy_c_buf_p) = 1388 (yytext_ptr) + yy_amount_of_matched_text; 1389 1390 yy_current_state = yy_get_previous_state( ); 1391 1392 yy_cp = (yy_c_buf_p); 1393 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1394 goto yy_match; 1395 1396 case EOB_ACT_LAST_MATCH: 1397 (yy_c_buf_p) = 1398 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; 1399 1400 yy_current_state = yy_get_previous_state( ); 1401 1402 yy_cp = (yy_c_buf_p); 1403 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1404 goto yy_find_action; 1405 } 1406 break; 1407 } 1408 1409 default: 1410 YY_FATAL_ERROR( 1411 "fatal flex scanner internal error--no action found" ); 1412 } /* end of action switch */ 1413 } /* end of scanning one token */ 1414} /* end of zconflex */ 1415 1416/* yy_get_next_buffer - try to read in a new buffer 1417 * 1418 * Returns a code representing an action: 1419 * EOB_ACT_LAST_MATCH - 1420 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position 1421 * EOB_ACT_END_OF_FILE - end of file 1422 */ 1423static int yy_get_next_buffer (void) 1424{ 1425 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; 1426 register char *source = (yytext_ptr); 1427 register int number_to_move, i; 1428 int ret_val; 1429 1430 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) 1431 YY_FATAL_ERROR( 1432 "fatal flex scanner internal error--end of buffer missed" ); 1433 1434 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) 1435 { /* Don't try to fill the buffer, so this is an EOF. */ 1436 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) 1437 { 1438 /* We matched a single character, the EOB, so 1439 * treat this as a final EOF. 1440 */ 1441 return EOB_ACT_END_OF_FILE; 1442 } 1443 1444 else 1445 { 1446 /* We matched some text prior to the EOB, first 1447 * process it. 1448 */ 1449 return EOB_ACT_LAST_MATCH; 1450 } 1451 } 1452 1453 /* Try to read more data. */ 1454 1455 /* First move last chars to start of buffer. */ 1456 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; 1457 1458 for ( i = 0; i < number_to_move; ++i ) 1459 *(dest++) = *(source++); 1460 1461 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) 1462 /* don't do the read, it's not guaranteed to return an EOF, 1463 * just force an EOF 1464 */ 1465 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; 1466 1467 else 1468 { 1469 int num_to_read = 1470 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; 1471 1472 while ( num_to_read <= 0 ) 1473 { /* Not enough room in the buffer - grow it. */ 1474 1475 /* just a shorter name for the current buffer */ 1476 YY_BUFFER_STATE b = YY_CURRENT_BUFFER; 1477 1478 int yy_c_buf_p_offset = 1479 (int) ((yy_c_buf_p) - b->yy_ch_buf); 1480 1481 if ( b->yy_is_our_buffer ) 1482 { 1483 int new_size = b->yy_buf_size * 2; 1484 1485 if ( new_size <= 0 ) 1486 b->yy_buf_size += b->yy_buf_size / 8; 1487 else 1488 b->yy_buf_size *= 2; 1489 1490 b->yy_ch_buf = (char *) 1491 /* Include room in for 2 EOB chars. */ 1492 zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); 1493 } 1494 else 1495 /* Can't grow it, we don't own it. */ 1496 b->yy_ch_buf = 0; 1497 1498 if ( ! b->yy_ch_buf ) 1499 YY_FATAL_ERROR( 1500 "fatal error - scanner input buffer overflow" ); 1501 1502 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; 1503 1504 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - 1505 number_to_move - 1; 1506 1507 } 1508 1509 if ( num_to_read > YY_READ_BUF_SIZE ) 1510 num_to_read = YY_READ_BUF_SIZE; 1511 1512 /* Read in more data. */ 1513 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), 1514 (yy_n_chars), num_to_read ); 1515 1516 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1517 } 1518 1519 if ( (yy_n_chars) == 0 ) 1520 { 1521 if ( number_to_move == YY_MORE_ADJ ) 1522 { 1523 ret_val = EOB_ACT_END_OF_FILE; 1524 zconfrestart(zconfin ); 1525 } 1526 1527 else 1528 { 1529 ret_val = EOB_ACT_LAST_MATCH; 1530 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = 1531 YY_BUFFER_EOF_PENDING; 1532 } 1533 } 1534 1535 else 1536 ret_val = EOB_ACT_CONTINUE_SCAN; 1537 1538 (yy_n_chars) += number_to_move; 1539 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; 1540 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; 1541 1542 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; 1543 1544 return ret_val; 1545} 1546 1547/* yy_get_previous_state - get the state just before the EOB char was reached */ 1548 1549 static yy_state_type yy_get_previous_state (void) 1550{ 1551 register yy_state_type yy_current_state; 1552 register char *yy_cp; 1553 1554 yy_current_state = (yy_start); 1555 1556 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) 1557 { 1558 yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)]; 1559 } 1560 1561 return yy_current_state; 1562} 1563 1564/* yy_try_NUL_trans - try to make a transition on the NUL character 1565 * 1566 * synopsis 1567 * next_state = yy_try_NUL_trans( current_state ); 1568 */ 1569 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) 1570{ 1571 register int yy_is_jam; 1572 1573 yy_current_state = yy_nxt[yy_current_state][1]; 1574 yy_is_jam = (yy_current_state <= 0); 1575 1576 return yy_is_jam ? 0 : yy_current_state; 1577} 1578 1579 static void yyunput (int c, register char * yy_bp ) 1580{ 1581 register char *yy_cp; 1582 1583 yy_cp = (yy_c_buf_p); 1584 1585 /* undo effects of setting up zconftext */ 1586 *yy_cp = (yy_hold_char); 1587 1588 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) 1589 { /* need to shift things up to make room */ 1590 /* +2 for EOB chars. */ 1591 register int number_to_move = (yy_n_chars) + 2; 1592 register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ 1593 YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; 1594 register char *source = 1595 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; 1596 1597 while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) 1598 *--dest = *--source; 1599 1600 yy_cp += (int) (dest - source); 1601 yy_bp += (int) (dest - source); 1602 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = 1603 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; 1604 1605 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) 1606 YY_FATAL_ERROR( "flex scanner push-back overflow" ); 1607 } 1608 1609 *--yy_cp = (char) c; 1610 1611 (yytext_ptr) = yy_bp; 1612 (yy_hold_char) = *yy_cp; 1613 (yy_c_buf_p) = yy_cp; 1614} 1615 1616#ifndef YY_NO_INPUT 1617#ifdef __cplusplus 1618 static int yyinput (void) 1619#else 1620 static int input (void) 1621#endif 1622 1623{ 1624 int c; 1625 1626 *(yy_c_buf_p) = (yy_hold_char); 1627 1628 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) 1629 { 1630 /* yy_c_buf_p now points to the character we want to return. 1631 * If this occurs *before* the EOB characters, then it's a 1632 * valid NUL; if not, then we've hit the end of the buffer. 1633 */ 1634 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1635 /* This was really a NUL. */ 1636 *(yy_c_buf_p) = '\0'; 1637 1638 else 1639 { /* need more input */ 1640 int offset = (yy_c_buf_p) - (yytext_ptr); 1641 ++(yy_c_buf_p); 1642 1643 switch ( yy_get_next_buffer( ) ) 1644 { 1645 case EOB_ACT_LAST_MATCH: 1646 /* This happens because yy_g_n_b() 1647 * sees that we've accumulated a 1648 * token and flags that we need to 1649 * try matching the token before 1650 * proceeding. But for input(), 1651 * there's no matching to consider. 1652 * So convert the EOB_ACT_LAST_MATCH 1653 * to EOB_ACT_END_OF_FILE. 1654 */ 1655 1656 /* Reset buffer status. */ 1657 zconfrestart(zconfin ); 1658 1659 /*FALLTHROUGH*/ 1660 1661 case EOB_ACT_END_OF_FILE: 1662 { 1663 if ( zconfwrap( ) ) 1664 return EOF; 1665 1666 if ( ! (yy_did_buffer_switch_on_eof) ) 1667 YY_NEW_FILE; 1668#ifdef __cplusplus 1669 return yyinput(); 1670#else 1671 return input(); 1672#endif 1673 } 1674 1675 case EOB_ACT_CONTINUE_SCAN: 1676 (yy_c_buf_p) = (yytext_ptr) + offset; 1677 break; 1678 } 1679 } 1680 } 1681 1682 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ 1683 *(yy_c_buf_p) = '\0'; /* preserve zconftext */ 1684 (yy_hold_char) = *++(yy_c_buf_p); 1685 1686 return c; 1687} 1688#endif /* ifndef YY_NO_INPUT */ 1689 1690/** Immediately switch to a different input stream. 1691 * @param input_file A readable stream. 1692 * 1693 * @note This function does not reset the start condition to @c INITIAL . 1694 */ 1695 void zconfrestart (FILE * input_file ) 1696{ 1697 1698 if ( ! YY_CURRENT_BUFFER ){ 1699 zconfensure_buffer_stack (); 1700 YY_CURRENT_BUFFER_LVALUE = 1701 zconf_create_buffer(zconfin,YY_BUF_SIZE ); 1702 } 1703 1704 zconf_init_buffer(YY_CURRENT_BUFFER,input_file ); 1705 zconf_load_buffer_state( ); 1706} 1707 1708/** Switch to a different input buffer. 1709 * @param new_buffer The new input buffer. 1710 * 1711 */ 1712 void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ) 1713{ 1714 1715 /* TODO. We should be able to replace this entire function body 1716 * with 1717 * zconfpop_buffer_state(); 1718 * zconfpush_buffer_state(new_buffer); 1719 */ 1720 zconfensure_buffer_stack (); 1721 if ( YY_CURRENT_BUFFER == new_buffer ) 1722 return; 1723 1724 if ( YY_CURRENT_BUFFER ) 1725 { 1726 /* Flush out information for old buffer. */ 1727 *(yy_c_buf_p) = (yy_hold_char); 1728 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1729 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1730 } 1731 1732 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1733 zconf_load_buffer_state( ); 1734 1735 /* We don't actually know whether we did this switch during 1736 * EOF (zconfwrap()) processing, but the only time this flag 1737 * is looked at is after zconfwrap() is called, so it's safe 1738 * to go ahead and always set it. 1739 */ 1740 (yy_did_buffer_switch_on_eof) = 1; 1741} 1742 1743static void zconf_load_buffer_state (void) 1744{ 1745 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1746 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; 1747 zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; 1748 (yy_hold_char) = *(yy_c_buf_p); 1749} 1750 1751/** Allocate and initialize an input buffer state. 1752 * @param file A readable stream. 1753 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. 1754 * 1755 * @return the allocated buffer state. 1756 */ 1757 YY_BUFFER_STATE zconf_create_buffer (FILE * file, int size ) 1758{ 1759 YY_BUFFER_STATE b; 1760 1761 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); 1762 if ( ! b ) 1763 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); 1764 1765 b->yy_buf_size = size; 1766 1767 /* yy_ch_buf has to be 2 characters longer than the size given because 1768 * we need to put in 2 end-of-buffer characters. 1769 */ 1770 b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2 ); 1771 if ( ! b->yy_ch_buf ) 1772 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); 1773 1774 b->yy_is_our_buffer = 1; 1775 1776 zconf_init_buffer(b,file ); 1777 1778 return b; 1779} 1780 1781/** Destroy the buffer. 1782 * @param b a buffer created with zconf_create_buffer() 1783 * 1784 */ 1785 void zconf_delete_buffer (YY_BUFFER_STATE b ) 1786{ 1787 1788 if ( ! b ) 1789 return; 1790 1791 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ 1792 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; 1793 1794 if ( b->yy_is_our_buffer ) 1795 zconffree((void *) b->yy_ch_buf ); 1796 1797 zconffree((void *) b ); 1798} 1799 1800/* Initializes or reinitializes a buffer. 1801 * This function is sometimes called more than once on the same buffer, 1802 * such as during a zconfrestart() or at EOF. 1803 */ 1804 static void zconf_init_buffer (YY_BUFFER_STATE b, FILE * file ) 1805 1806{ 1807 int oerrno = errno; 1808 1809 zconf_flush_buffer(b ); 1810 1811 b->yy_input_file = file; 1812 b->yy_fill_buffer = 1; 1813 1814 /* If b is the current buffer, then zconf_init_buffer was _probably_ 1815 * called from zconfrestart() or through yy_get_next_buffer. 1816 * In that case, we don't want to reset the lineno or column. 1817 */ 1818 if (b != YY_CURRENT_BUFFER){ 1819 b->yy_bs_lineno = 1; 1820 b->yy_bs_column = 0; 1821 } 1822 1823 b->yy_is_interactive = 0; 1824 1825 errno = oerrno; 1826} 1827 1828/** Discard all buffered characters. On the next scan, YY_INPUT will be called. 1829 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. 1830 * 1831 */ 1832 void zconf_flush_buffer (YY_BUFFER_STATE b ) 1833{ 1834 if ( ! b ) 1835 return; 1836 1837 b->yy_n_chars = 0; 1838 1839 /* We always need two end-of-buffer characters. The first causes 1840 * a transition to the end-of-buffer state. The second causes 1841 * a jam in that state. 1842 */ 1843 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 1844 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 1845 1846 b->yy_buf_pos = &b->yy_ch_buf[0]; 1847 1848 b->yy_at_bol = 1; 1849 b->yy_buffer_status = YY_BUFFER_NEW; 1850 1851 if ( b == YY_CURRENT_BUFFER ) 1852 zconf_load_buffer_state( ); 1853} 1854 1855/** Pushes the new state onto the stack. The new state becomes 1856 * the current state. This function will allocate the stack 1857 * if necessary. 1858 * @param new_buffer The new state. 1859 * 1860 */ 1861void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ) 1862{ 1863 if (new_buffer == NULL) 1864 return; 1865 1866 zconfensure_buffer_stack(); 1867 1868 /* This block is copied from zconf_switch_to_buffer. */ 1869 if ( YY_CURRENT_BUFFER ) 1870 { 1871 /* Flush out information for old buffer. */ 1872 *(yy_c_buf_p) = (yy_hold_char); 1873 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1874 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1875 } 1876 1877 /* Only push if top exists. Otherwise, replace top. */ 1878 if (YY_CURRENT_BUFFER) 1879 (yy_buffer_stack_top)++; 1880 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1881 1882 /* copied from zconf_switch_to_buffer. */ 1883 zconf_load_buffer_state( ); 1884 (yy_did_buffer_switch_on_eof) = 1; 1885} 1886 1887/** Removes and deletes the top of the stack, if present. 1888 * The next element becomes the new top. 1889 * 1890 */ 1891void zconfpop_buffer_state (void) 1892{ 1893 if (!YY_CURRENT_BUFFER) 1894 return; 1895 1896 zconf_delete_buffer(YY_CURRENT_BUFFER ); 1897 YY_CURRENT_BUFFER_LVALUE = NULL; 1898 if ((yy_buffer_stack_top) > 0) 1899 --(yy_buffer_stack_top); 1900 1901 if (YY_CURRENT_BUFFER) { 1902 zconf_load_buffer_state( ); 1903 (yy_did_buffer_switch_on_eof) = 1; 1904 } 1905} 1906 1907/* Allocates the stack if it does not exist. 1908 * Guarantees space for at least one push. 1909 */ 1910static void zconfensure_buffer_stack (void) 1911{ 1912 int num_to_alloc; 1913 1914 if (!(yy_buffer_stack)) { 1915 1916 /* First allocation is just for 2 elements, since we don't know if this 1917 * scanner will even need a stack. We use 2 instead of 1 to avoid an 1918 * immediate realloc on the next call. 1919 */ 1920 num_to_alloc = 1; 1921 (yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc 1922 (num_to_alloc * sizeof(struct yy_buffer_state*) 1923 ); 1924 1925 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 1926 1927 (yy_buffer_stack_max) = num_to_alloc; 1928 (yy_buffer_stack_top) = 0; 1929 return; 1930 } 1931 1932 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ 1933 1934 /* Increase the buffer to prepare for a possible push. */ 1935 int grow_size = 8 /* arbitrary grow size */; 1936 1937 num_to_alloc = (yy_buffer_stack_max) + grow_size; 1938 (yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc 1939 ((yy_buffer_stack), 1940 num_to_alloc * sizeof(struct yy_buffer_state*) 1941 ); 1942 1943 /* zero only the new slots.*/ 1944 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); 1945 (yy_buffer_stack_max) = num_to_alloc; 1946 } 1947} 1948 1949/** Setup the input buffer state to scan directly from a user-specified character buffer. 1950 * @param base the character buffer 1951 * @param size the size in bytes of the character buffer 1952 * 1953 * @return the newly allocated buffer state object. 1954 */ 1955YY_BUFFER_STATE zconf_scan_buffer (char * base, yy_size_t size ) 1956{ 1957 YY_BUFFER_STATE b; 1958 1959 if ( size < 2 || 1960 base[size-2] != YY_END_OF_BUFFER_CHAR || 1961 base[size-1] != YY_END_OF_BUFFER_CHAR ) 1962 /* They forgot to leave room for the EOB's. */ 1963 return 0; 1964 1965 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); 1966 if ( ! b ) 1967 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" ); 1968 1969 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ 1970 b->yy_buf_pos = b->yy_ch_buf = base; 1971 b->yy_is_our_buffer = 0; 1972 b->yy_input_file = 0; 1973 b->yy_n_chars = b->yy_buf_size; 1974 b->yy_is_interactive = 0; 1975 b->yy_at_bol = 1; 1976 b->yy_fill_buffer = 0; 1977 b->yy_buffer_status = YY_BUFFER_NEW; 1978 1979 zconf_switch_to_buffer(b ); 1980 1981 return b; 1982} 1983 1984/** Setup the input buffer state to scan a string. The next call to zconflex() will 1985 * scan from a @e copy of @a str. 1986 * @param yystr a NUL-terminated string to scan 1987 * 1988 * @return the newly allocated buffer state object. 1989 * @note If you want to scan bytes that may contain NUL values, then use 1990 * zconf_scan_bytes() instead. 1991 */ 1992YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr ) 1993{ 1994 1995 return zconf_scan_bytes(yystr,strlen(yystr) ); 1996} 1997 1998/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will 1999 * scan from a @e copy of @a bytes. 2000 * @param bytes the byte buffer to scan
2001 * @param len the number of bytes in the buffer pointed to by @a bytes. 2002 * 2003 * @return the newly allocated buffer state object. 2004 */ 2005YY_BUFFER_STATE zconf_scan_bytes (yyconst char * yybytes, int _yybytes_len ) 2006{ 2007 YY_BUFFER_STATE b; 2008 char *buf; 2009 yy_size_t n; 2010 int i; 2011 2012 /* Get memory for full buffer, including space for trailing EOB's. */ 2013 n = _yybytes_len + 2; 2014 buf = (char *) zconfalloc(n ); 2015 if ( ! buf ) 2016 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" ); 2017 2018 for ( i = 0; i < _yybytes_len; ++i ) 2019 buf[i] = yybytes[i]; 2020 2021 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; 2022 2023 b = zconf_scan_buffer(buf,n ); 2024 if ( ! b ) 2025 YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" ); 2026 2027 /* It's okay to grow etc. this buffer, and we should throw it 2028 * away when we're done. 2029 */ 2030 b->yy_is_our_buffer = 1; 2031 2032 return b; 2033} 2034 2035#ifndef YY_EXIT_FAILURE 2036#define YY_EXIT_FAILURE 2 2037#endif 2038 2039static void yy_fatal_error (yyconst char* msg ) 2040{ 2041 (void) fprintf( stderr, "%s\n", msg ); 2042 exit( YY_EXIT_FAILURE ); 2043} 2044 2045/* Redefine yyless() so it works in section 3 code. */ 2046 2047#undef yyless 2048#define yyless(n) \ 2049 do \ 2050 { \ 2051 /* Undo effects of setting up zconftext. */ \ 2052 int yyless_macro_arg = (n); \ 2053 YY_LESS_LINENO(yyless_macro_arg);\ 2054 zconftext[zconfleng] = (yy_hold_char); \ 2055 (yy_c_buf_p) = zconftext + yyless_macro_arg; \ 2056 (yy_hold_char) = *(yy_c_buf_p); \ 2057 *(yy_c_buf_p) = '\0'; \ 2058 zconfleng = yyless_macro_arg; \ 2059 } \ 2060 while ( 0 ) 2061 2062/* Accessor methods (get/set functions) to struct members. */ 2063 2064/** Get the current line number. 2065 * 2066 */ 2067int zconfget_lineno (void) 2068{ 2069 2070 return zconflineno; 2071} 2072 2073/** Get the input stream. 2074 * 2075 */ 2076FILE *zconfget_in (void) 2077{ 2078 return zconfin; 2079} 2080 2081/** Get the output stream. 2082 * 2083 */ 2084FILE *zconfget_out (void) 2085{ 2086 return zconfout; 2087} 2088 2089/** Get the length of the current token. 2090 * 2091 */ 2092int zconfget_leng (void) 2093{ 2094 return zconfleng; 2095} 2096 2097/** Get the current token. 2098 * 2099 */ 2100 2101char *zconfget_text (void) 2102{ 2103 return zconftext; 2104} 2105 2106/** Set the current line number. 2107 * @param line_number 2108 * 2109 */ 2110void zconfset_lineno (int line_number ) 2111{ 2112 2113 zconflineno = line_number; 2114} 2115 2116/** Set the input stream. This does not discard the current 2117 * input buffer. 2118 * @param in_str A readable stream. 2119 * 2120 * @see zconf_switch_to_buffer 2121 */ 2122void zconfset_in (FILE * in_str ) 2123{ 2124 zconfin = in_str ; 2125} 2126 2127void zconfset_out (FILE * out_str ) 2128{ 2129 zconfout = out_str ; 2130} 2131 2132int zconfget_debug (void) 2133{ 2134 return zconf_flex_debug; 2135} 2136 2137void zconfset_debug (int bdebug ) 2138{ 2139 zconf_flex_debug = bdebug ; 2140} 2141 2142static int yy_init_globals (void) 2143{ 2144 /* Initialization is the same as for the non-reentrant scanner. 2145 * This function is called from zconflex_destroy(), so don't allocate here. 2146 */ 2147 2148 (yy_buffer_stack) = 0; 2149 (yy_buffer_stack_top) = 0; 2150 (yy_buffer_stack_max) = 0; 2151 (yy_c_buf_p) = (char *) 0; 2152 (yy_init) = 0; 2153 (yy_start) = 0; 2154 2155/* Defined in main.c */ 2156#ifdef YY_STDINIT 2157 zconfin = stdin; 2158 zconfout = stdout; 2159#else 2160 zconfin = (FILE *) 0; 2161 zconfout = (FILE *) 0; 2162#endif 2163 2164 /* For future reference: Set errno on error, since we are called by 2165 * zconflex_init() 2166 */ 2167 return 0; 2168} 2169 2170/* zconflex_destroy is for both reentrant and non-reentrant scanners. */ 2171int zconflex_destroy (void) 2172{ 2173 2174 /* Pop the buffer stack, destroying each element. */ 2175 while(YY_CURRENT_BUFFER){ 2176 zconf_delete_buffer(YY_CURRENT_BUFFER ); 2177 YY_CURRENT_BUFFER_LVALUE = NULL; 2178 zconfpop_buffer_state(); 2179 } 2180 2181 /* Destroy the stack itself. */ 2182 zconffree((yy_buffer_stack) ); 2183 (yy_buffer_stack) = NULL; 2184 2185 /* Reset the globals. This is important in a non-reentrant scanner so the next time 2186 * zconflex() is called, initialization will occur. */ 2187 yy_init_globals( ); 2188 2189 return 0; 2190} 2191 2192/* 2193 * Internal utility routines. 2194 */ 2195 2196#ifndef yytext_ptr 2197static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) 2198{ 2199 register int i; 2200 for ( i = 0; i < n; ++i ) 2201 s1[i] = s2[i]; 2202} 2203#endif 2204 2205#ifdef YY_NEED_STRLEN 2206static int yy_flex_strlen (yyconst char * s ) 2207{ 2208 register int n; 2209 for ( n = 0; s[n]; ++n ) 2210 ; 2211 2212 return n; 2213} 2214#endif 2215 2216void *zconfalloc (yy_size_t size ) 2217{ 2218 return (void *) malloc( size ); 2219} 2220 2221void *zconfrealloc (void * ptr, yy_size_t size ) 2222{ 2223 /* The cast to (char *) in the following accommodates both 2224 * implementations that use char* generic pointers, and those 2225 * that use void* generic pointers. It works with the latter 2226 * because both ANSI C and C++ allow castless assignment from 2227 * any pointer type to void*, and deal with argument conversions 2228 * as though doing an assignment. 2229 */ 2230 return (void *) realloc( (char *) ptr, size ); 2231} 2232 2233void zconffree (void * ptr ) 2234{ 2235 free( (char *) ptr ); /* see zconfrealloc() for (char *) cast */ 2236} 2237 2238#define YYTABLES_NAME "yytables" 2239 2240void zconf_starthelp(void) 2241{ 2242 new_string(); 2243 last_ts = first_ts = 0; 2244 BEGIN(HELP); 2245} 2246 2247static void zconf_endhelp(void) 2248{ 2249 zconflval.string = text; 2250 BEGIN(INITIAL); 2251} 2252 2253/* 2254 * Try to open specified file with following names: 2255 * ./name 2256 * $(srctree)/name 2257 * The latter is used when srctree is separate from objtree 2258 * when compiling the kernel. 2259 * Return NULL if file is not found. 2260 */ 2261FILE *zconf_fopen(const char *name) 2262{ 2263 char *env, fullname[PATH_MAX+1]; 2264 FILE *f; 2265 2266 f = fopen(name, "r"); 2267 if (!f && name[0] != '/') { 2268 env = getenv(SRCTREE); 2269 if (env) { 2270 sprintf(fullname, "%s/%s", env, name); 2271 f = fopen(fullname, "r"); 2272 } 2273 } 2274 return f; 2275} 2276 2277void zconf_initscan(const char *name) 2278{ 2279 zconfin = zconf_fopen(name); 2280 if (!zconfin) { 2281 printf("can't find file %s\n", name); 2282 exit(1); 2283 } 2284 2285 current_buf = malloc(sizeof(*current_buf)); 2286 memset(current_buf, 0, sizeof(*current_buf)); 2287 2288 current_file = file_lookup(name); 2289 current_file->lineno = 1; 2290 current_file->flags = FILE_BUSY; 2291} 2292 2293void zconf_nextfile(const char *name) 2294{ 2295 struct file *file = file_lookup(name); 2296 struct buffer *buf = malloc(sizeof(*buf)); 2297 memset(buf, 0, sizeof(*buf)); 2298 2299 current_buf->state = YY_CURRENT_BUFFER; 2300 zconfin = zconf_fopen(name); 2301 if (!zconfin) { 2302 printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name); 2303 exit(1); 2304 } 2305 zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE)); 2306 buf->parent = current_buf; 2307 current_buf = buf; 2308 2309 if (file->flags & FILE_BUSY) { 2310 printf("recursive scan (%s)?\n", name); 2311 exit(1); 2312 } 2313 if (file->flags & FILE_SCANNED) { 2314 printf("file %s already scanned?\n", name); 2315 exit(1); 2316 } 2317 file->flags |= FILE_BUSY; 2318 file->lineno = 1; 2319 file->parent = current_file; 2320 current_file = file; 2321} 2322 2323static void zconf_endfile(void) 2324{ 2325 struct buffer *parent; 2326 2327 current_file->flags |= FILE_SCANNED; 2328 current_file->flags &= ~FILE_BUSY; 2329 current_file = current_file->parent; 2330 2331 parent = current_buf->parent; 2332 if (parent) { 2333 fclose(zconfin); 2334 zconf_delete_buffer(YY_CURRENT_BUFFER); 2335 zconf_switch_to_buffer(parent->state); 2336 } 2337 free(current_buf); 2338 current_buf = parent; 2339} 2340 2341int zconf_lineno(void) 2342{ 2343 return current_pos.lineno; 2344} 2345 2346char *zconf_curname(void) 2347{ 2348 return current_pos.file ? current_pos.file->name : "<none>"; 2349} 2350 2351