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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 while (zconfleng) { 1260 if ((zconftext[zconfleng-1] != ' ') && (zconftext[zconfleng-1] != '\t')) 1261 break; 1262 zconfleng--; 1263 } 1264 append_string(zconftext, zconfleng); 1265 if (!first_ts) 1266 first_ts = last_ts; 1267 } 1268 YY_BREAK 1269case YY_STATE_EOF(HELP): 1270{ 1271 zconf_endhelp(); 1272 return T_HELPTEXT; 1273 } 1274 YY_BREAK 1275 1276case YY_STATE_EOF(INITIAL): 1277case YY_STATE_EOF(COMMAND): 1278{ 1279 if (current_file) { 1280 zconf_endfile(); 1281 return T_EOL; 1282 } 1283 fclose(zconfin); 1284 yyterminate(); 1285} 1286 YY_BREAK 1287case 33: 1288YY_RULE_SETUP 1289YY_FATAL_ERROR( "flex scanner jammed" ); 1290 YY_BREAK 1291 1292 case YY_END_OF_BUFFER: 1293 { 1294 /* Amount of text matched not including the EOB char. */ 1295 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; 1296 1297 /* Undo the effects of YY_DO_BEFORE_ACTION. */ 1298 *yy_cp = (yy_hold_char); 1299 YY_RESTORE_YY_MORE_OFFSET 1300 1301 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) 1302 { 1303 /* We're scanning a new file or input source. It's 1304 * possible that this happened because the user 1305 * just pointed zconfin at a new source and called 1306 * zconflex(). If so, then we have to assure 1307 * consistency between YY_CURRENT_BUFFER and our 1308 * globals. Here is the right place to do so, because 1309 * this is the first action (other than possibly a 1310 * back-up) that will match for the new input source. 1311 */ 1312 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1313 YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin; 1314 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; 1315 } 1316 1317 /* Note that here we test for yy_c_buf_p "<=" to the position 1318 * of the first EOB in the buffer, since yy_c_buf_p will 1319 * already have been incremented past the NUL character 1320 * (since all states make transitions on EOB to the 1321 * end-of-buffer state). Contrast this with the test 1322 * in input(). 1323 */ 1324 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1325 { /* This was really a NUL. */ 1326 yy_state_type yy_next_state; 1327 1328 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; 1329 1330 yy_current_state = yy_get_previous_state( ); 1331 1332 /* Okay, we're now positioned to make the NUL 1333 * transition. We couldn't have 1334 * yy_get_previous_state() go ahead and do it 1335 * for us because it doesn't know how to deal 1336 * with the possibility of jamming (and we don't 1337 * want to build jamming into it because then it 1338 * will run more slowly). 1339 */ 1340 1341 yy_next_state = yy_try_NUL_trans( yy_current_state ); 1342 1343 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1344 1345 if ( yy_next_state ) 1346 { 1347 /* Consume the NUL. */ 1348 yy_cp = ++(yy_c_buf_p); 1349 yy_current_state = yy_next_state; 1350 goto yy_match; 1351 } 1352 1353 else 1354 { 1355 yy_cp = (yy_c_buf_p); 1356 goto yy_find_action; 1357 } 1358 } 1359 1360 else switch ( yy_get_next_buffer( ) ) 1361 { 1362 case EOB_ACT_END_OF_FILE: 1363 { 1364 (yy_did_buffer_switch_on_eof) = 0; 1365 1366 if ( zconfwrap( ) ) 1367 { 1368 /* Note: because we've taken care in 1369 * yy_get_next_buffer() to have set up 1370 * zconftext, we can now set up 1371 * yy_c_buf_p so that if some total 1372 * hoser (like flex itself) wants to 1373 * call the scanner after we return the 1374 * YY_NULL, it'll still work - another 1375 * YY_NULL will get returned. 1376 */ 1377 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; 1378 1379 yy_act = YY_STATE_EOF(YY_START); 1380 goto do_action; 1381 } 1382 1383 else 1384 { 1385 if ( ! (yy_did_buffer_switch_on_eof) ) 1386 YY_NEW_FILE; 1387 } 1388 break; 1389 } 1390 1391 case EOB_ACT_CONTINUE_SCAN: 1392 (yy_c_buf_p) = 1393 (yytext_ptr) + yy_amount_of_matched_text; 1394 1395 yy_current_state = yy_get_previous_state( ); 1396 1397 yy_cp = (yy_c_buf_p); 1398 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1399 goto yy_match; 1400 1401 case EOB_ACT_LAST_MATCH: 1402 (yy_c_buf_p) = 1403 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; 1404 1405 yy_current_state = yy_get_previous_state( ); 1406 1407 yy_cp = (yy_c_buf_p); 1408 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1409 goto yy_find_action; 1410 } 1411 break; 1412 } 1413 1414 default: 1415 YY_FATAL_ERROR( 1416 "fatal flex scanner internal error--no action found" ); 1417 } /* end of action switch */ 1418 } /* end of scanning one token */ 1419} /* end of zconflex */ 1420 1421/* yy_get_next_buffer - try to read in a new buffer 1422 * 1423 * Returns a code representing an action: 1424 * EOB_ACT_LAST_MATCH - 1425 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position 1426 * EOB_ACT_END_OF_FILE - end of file 1427 */ 1428static int yy_get_next_buffer (void) 1429{ 1430 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; 1431 register char *source = (yytext_ptr); 1432 register int number_to_move, i; 1433 int ret_val; 1434 1435 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) 1436 YY_FATAL_ERROR( 1437 "fatal flex scanner internal error--end of buffer missed" ); 1438 1439 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) 1440 { /* Don't try to fill the buffer, so this is an EOF. */ 1441 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) 1442 { 1443 /* We matched a single character, the EOB, so 1444 * treat this as a final EOF. 1445 */ 1446 return EOB_ACT_END_OF_FILE; 1447 } 1448 1449 else 1450 { 1451 /* We matched some text prior to the EOB, first 1452 * process it. 1453 */ 1454 return EOB_ACT_LAST_MATCH; 1455 } 1456 } 1457 1458 /* Try to read more data. */ 1459 1460 /* First move last chars to start of buffer. */ 1461 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; 1462 1463 for ( i = 0; i < number_to_move; ++i ) 1464 *(dest++) = *(source++); 1465 1466 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) 1467 /* don't do the read, it's not guaranteed to return an EOF, 1468 * just force an EOF 1469 */ 1470 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; 1471 1472 else 1473 { 1474 int num_to_read = 1475 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; 1476 1477 while ( num_to_read <= 0 ) 1478 { /* Not enough room in the buffer - grow it. */ 1479 1480 /* just a shorter name for the current buffer */ 1481 YY_BUFFER_STATE b = YY_CURRENT_BUFFER; 1482 1483 int yy_c_buf_p_offset = 1484 (int) ((yy_c_buf_p) - b->yy_ch_buf); 1485 1486 if ( b->yy_is_our_buffer ) 1487 { 1488 int new_size = b->yy_buf_size * 2; 1489 1490 if ( new_size <= 0 ) 1491 b->yy_buf_size += b->yy_buf_size / 8; 1492 else 1493 b->yy_buf_size *= 2; 1494 1495 b->yy_ch_buf = (char *) 1496 /* Include room in for 2 EOB chars. */ 1497 zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); 1498 } 1499 else 1500 /* Can't grow it, we don't own it. */ 1501 b->yy_ch_buf = 0; 1502 1503 if ( ! b->yy_ch_buf ) 1504 YY_FATAL_ERROR( 1505 "fatal error - scanner input buffer overflow" ); 1506 1507 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; 1508 1509 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - 1510 number_to_move - 1; 1511 1512 } 1513 1514 if ( num_to_read > YY_READ_BUF_SIZE ) 1515 num_to_read = YY_READ_BUF_SIZE; 1516 1517 /* Read in more data. */ 1518 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), 1519 (yy_n_chars), (size_t) num_to_read ); 1520 1521 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1522 } 1523 1524 if ( (yy_n_chars) == 0 ) 1525 { 1526 if ( number_to_move == YY_MORE_ADJ ) 1527 { 1528 ret_val = EOB_ACT_END_OF_FILE; 1529 zconfrestart(zconfin ); 1530 } 1531 1532 else 1533 { 1534 ret_val = EOB_ACT_LAST_MATCH; 1535 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = 1536 YY_BUFFER_EOF_PENDING; 1537 } 1538 } 1539 1540 else 1541 ret_val = EOB_ACT_CONTINUE_SCAN; 1542 1543 (yy_n_chars) += number_to_move; 1544 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; 1545 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; 1546 1547 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; 1548 1549 return ret_val; 1550} 1551 1552/* yy_get_previous_state - get the state just before the EOB char was reached */ 1553 1554 static yy_state_type yy_get_previous_state (void) 1555{ 1556 register yy_state_type yy_current_state; 1557 register char *yy_cp; 1558 1559 yy_current_state = (yy_start); 1560 1561 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) 1562 { 1563 yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)]; 1564 } 1565 1566 return yy_current_state; 1567} 1568 1569/* yy_try_NUL_trans - try to make a transition on the NUL character 1570 * 1571 * synopsis 1572 * next_state = yy_try_NUL_trans( current_state ); 1573 */ 1574 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) 1575{ 1576 register int yy_is_jam; 1577 1578 yy_current_state = yy_nxt[yy_current_state][1]; 1579 yy_is_jam = (yy_current_state <= 0); 1580 1581 return yy_is_jam ? 0 : yy_current_state; 1582} 1583 1584 static void yyunput (int c, register char * yy_bp ) 1585{ 1586 register char *yy_cp; 1587 1588 yy_cp = (yy_c_buf_p); 1589 1590 /* undo effects of setting up zconftext */ 1591 *yy_cp = (yy_hold_char); 1592 1593 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) 1594 { /* need to shift things up to make room */ 1595 /* +2 for EOB chars. */ 1596 register int number_to_move = (yy_n_chars) + 2; 1597 register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ 1598 YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; 1599 register char *source = 1600 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; 1601 1602 while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) 1603 *--dest = *--source; 1604 1605 yy_cp += (int) (dest - source); 1606 yy_bp += (int) (dest - source); 1607 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = 1608 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; 1609 1610 if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) 1611 YY_FATAL_ERROR( "flex scanner push-back overflow" ); 1612 } 1613 1614 *--yy_cp = (char) c; 1615 1616 (yytext_ptr) = yy_bp; 1617 (yy_hold_char) = *yy_cp; 1618 (yy_c_buf_p) = yy_cp; 1619} 1620 1621#ifndef YY_NO_INPUT 1622#ifdef __cplusplus 1623 static int yyinput (void) 1624#else 1625 static int input (void) 1626#endif 1627 1628{ 1629 int c; 1630 1631 *(yy_c_buf_p) = (yy_hold_char); 1632 1633 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) 1634 { 1635 /* yy_c_buf_p now points to the character we want to return. 1636 * If this occurs *before* the EOB characters, then it's a 1637 * valid NUL; if not, then we've hit the end of the buffer. 1638 */ 1639 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1640 /* This was really a NUL. */ 1641 *(yy_c_buf_p) = '\0'; 1642 1643 else 1644 { /* need more input */ 1645 int offset = (yy_c_buf_p) - (yytext_ptr); 1646 ++(yy_c_buf_p); 1647 1648 switch ( yy_get_next_buffer( ) ) 1649 { 1650 case EOB_ACT_LAST_MATCH: 1651 /* This happens because yy_g_n_b() 1652 * sees that we've accumulated a 1653 * token and flags that we need to 1654 * try matching the token before 1655 * proceeding. But for input(), 1656 * there's no matching to consider. 1657 * So convert the EOB_ACT_LAST_MATCH 1658 * to EOB_ACT_END_OF_FILE. 1659 */ 1660 1661 /* Reset buffer status. */ 1662 zconfrestart(zconfin ); 1663 1664 /*FALLTHROUGH*/ 1665 1666 case EOB_ACT_END_OF_FILE: 1667 { 1668 if ( zconfwrap( ) ) 1669 return EOF; 1670 1671 if ( ! (yy_did_buffer_switch_on_eof) ) 1672 YY_NEW_FILE; 1673#ifdef __cplusplus 1674 return yyinput(); 1675#else 1676 return input(); 1677#endif 1678 } 1679 1680 case EOB_ACT_CONTINUE_SCAN: 1681 (yy_c_buf_p) = (yytext_ptr) + offset; 1682 break; 1683 } 1684 } 1685 } 1686 1687 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ 1688 *(yy_c_buf_p) = '\0'; /* preserve zconftext */ 1689 (yy_hold_char) = *++(yy_c_buf_p); 1690 1691 return c; 1692} 1693#endif /* ifndef YY_NO_INPUT */ 1694 1695/** Immediately switch to a different input stream. 1696 * @param input_file A readable stream. 1697 * 1698 * @note This function does not reset the start condition to @c INITIAL . 1699 */ 1700 void zconfrestart (FILE * input_file ) 1701{ 1702 1703 if ( ! YY_CURRENT_BUFFER ){ 1704 zconfensure_buffer_stack (); 1705 YY_CURRENT_BUFFER_LVALUE = 1706 zconf_create_buffer(zconfin,YY_BUF_SIZE ); 1707 } 1708 1709 zconf_init_buffer(YY_CURRENT_BUFFER,input_file ); 1710 zconf_load_buffer_state( ); 1711} 1712 1713/** Switch to a different input buffer. 1714 * @param new_buffer The new input buffer. 1715 * 1716 */ 1717 void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ) 1718{ 1719 1720 /* TODO. We should be able to replace this entire function body 1721 * with 1722 * zconfpop_buffer_state(); 1723 * zconfpush_buffer_state(new_buffer); 1724 */ 1725 zconfensure_buffer_stack (); 1726 if ( YY_CURRENT_BUFFER == new_buffer ) 1727 return; 1728 1729 if ( YY_CURRENT_BUFFER ) 1730 { 1731 /* Flush out information for old buffer. */ 1732 *(yy_c_buf_p) = (yy_hold_char); 1733 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1734 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1735 } 1736 1737 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1738 zconf_load_buffer_state( ); 1739 1740 /* We don't actually know whether we did this switch during 1741 * EOF (zconfwrap()) processing, but the only time this flag 1742 * is looked at is after zconfwrap() is called, so it's safe 1743 * to go ahead and always set it. 1744 */ 1745 (yy_did_buffer_switch_on_eof) = 1; 1746} 1747 1748static void zconf_load_buffer_state (void) 1749{ 1750 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1751 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; 1752 zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; 1753 (yy_hold_char) = *(yy_c_buf_p); 1754} 1755 1756/** Allocate and initialize an input buffer state. 1757 * @param file A readable stream. 1758 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. 1759 * 1760 * @return the allocated buffer state. 1761 */ 1762 YY_BUFFER_STATE zconf_create_buffer (FILE * file, int size ) 1763{ 1764 YY_BUFFER_STATE b; 1765 1766 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); 1767 if ( ! b ) 1768 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); 1769 1770 b->yy_buf_size = size; 1771 1772 /* yy_ch_buf has to be 2 characters longer than the size given because 1773 * we need to put in 2 end-of-buffer characters. 1774 */ 1775 b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2 ); 1776 if ( ! b->yy_ch_buf ) 1777 YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); 1778 1779 b->yy_is_our_buffer = 1; 1780 1781 zconf_init_buffer(b,file ); 1782 1783 return b; 1784} 1785 1786/** Destroy the buffer. 1787 * @param b a buffer created with zconf_create_buffer() 1788 * 1789 */ 1790 void zconf_delete_buffer (YY_BUFFER_STATE b ) 1791{ 1792 1793 if ( ! b ) 1794 return; 1795 1796 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ 1797 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; 1798 1799 if ( b->yy_is_our_buffer ) 1800 zconffree((void *) b->yy_ch_buf ); 1801 1802 zconffree((void *) b ); 1803} 1804 1805/* Initializes or reinitializes a buffer. 1806 * This function is sometimes called more than once on the same buffer, 1807 * such as during a zconfrestart() or at EOF. 1808 */ 1809 static void zconf_init_buffer (YY_BUFFER_STATE b, FILE * file ) 1810 1811{ 1812 int oerrno = errno; 1813 1814 zconf_flush_buffer(b ); 1815 1816 b->yy_input_file = file; 1817 b->yy_fill_buffer = 1; 1818 1819 /* If b is the current buffer, then zconf_init_buffer was _probably_ 1820 * called from zconfrestart() or through yy_get_next_buffer. 1821 * In that case, we don't want to reset the lineno or column. 1822 */ 1823 if (b != YY_CURRENT_BUFFER){ 1824 b->yy_bs_lineno = 1; 1825 b->yy_bs_column = 0; 1826 } 1827 1828 b->yy_is_interactive = 0; 1829 1830 errno = oerrno; 1831} 1832 1833/** Discard all buffered characters. On the next scan, YY_INPUT will be called. 1834 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. 1835 * 1836 */ 1837 void zconf_flush_buffer (YY_BUFFER_STATE b ) 1838{ 1839 if ( ! b ) 1840 return; 1841 1842 b->yy_n_chars = 0; 1843 1844 /* We always need two end-of-buffer characters. The first causes 1845 * a transition to the end-of-buffer state. The second causes 1846 * a jam in that state. 1847 */ 1848 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 1849 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 1850 1851 b->yy_buf_pos = &b->yy_ch_buf[0]; 1852 1853 b->yy_at_bol = 1; 1854 b->yy_buffer_status = YY_BUFFER_NEW; 1855 1856 if ( b == YY_CURRENT_BUFFER ) 1857 zconf_load_buffer_state( ); 1858} 1859 1860/** Pushes the new state onto the stack. The new state becomes 1861 * the current state. This function will allocate the stack 1862 * if necessary. 1863 * @param new_buffer The new state. 1864 * 1865 */ 1866void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ) 1867{ 1868 if (new_buffer == NULL) 1869 return; 1870 1871 zconfensure_buffer_stack(); 1872 1873 /* This block is copied from zconf_switch_to_buffer. */ 1874 if ( YY_CURRENT_BUFFER ) 1875 { 1876 /* Flush out information for old buffer. */ 1877 *(yy_c_buf_p) = (yy_hold_char); 1878 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1879 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1880 } 1881 1882 /* Only push if top exists. Otherwise, replace top. */ 1883 if (YY_CURRENT_BUFFER) 1884 (yy_buffer_stack_top)++; 1885 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1886 1887 /* copied from zconf_switch_to_buffer. */ 1888 zconf_load_buffer_state( ); 1889 (yy_did_buffer_switch_on_eof) = 1; 1890} 1891 1892/** Removes and deletes the top of the stack, if present. 1893 * The next element becomes the new top. 1894 * 1895 */ 1896void zconfpop_buffer_state (void) 1897{ 1898 if (!YY_CURRENT_BUFFER) 1899 return; 1900 1901 zconf_delete_buffer(YY_CURRENT_BUFFER ); 1902 YY_CURRENT_BUFFER_LVALUE = NULL; 1903 if ((yy_buffer_stack_top) > 0) 1904 --(yy_buffer_stack_top); 1905 1906 if (YY_CURRENT_BUFFER) { 1907 zconf_load_buffer_state( ); 1908 (yy_did_buffer_switch_on_eof) = 1; 1909 } 1910} 1911 1912/* Allocates the stack if it does not exist. 1913 * Guarantees space for at least one push. 1914 */ 1915static void zconfensure_buffer_stack (void) 1916{ 1917 int num_to_alloc; 1918 1919 if (!(yy_buffer_stack)) { 1920 1921 /* First allocation is just for 2 elements, since we don't know if this 1922 * scanner will even need a stack. We use 2 instead of 1 to avoid an 1923 * immediate realloc on the next call. 1924 */ 1925 num_to_alloc = 1; 1926 (yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc 1927 (num_to_alloc * sizeof(struct yy_buffer_state*) 1928 ); 1929 1930 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 1931 1932 (yy_buffer_stack_max) = num_to_alloc; 1933 (yy_buffer_stack_top) = 0; 1934 return; 1935 } 1936 1937 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ 1938 1939 /* Increase the buffer to prepare for a possible push. */ 1940 int grow_size = 8 /* arbitrary grow size */; 1941 1942 num_to_alloc = (yy_buffer_stack_max) + grow_size; 1943 (yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc 1944 ((yy_buffer_stack), 1945 num_to_alloc * sizeof(struct yy_buffer_state*) 1946 ); 1947 1948 /* zero only the new slots.*/ 1949 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); 1950 (yy_buffer_stack_max) = num_to_alloc; 1951 } 1952} 1953 1954/** Setup the input buffer state to scan directly from a user-specified character buffer. 1955 * @param base the character buffer 1956 * @param size the size in bytes of the character buffer 1957 * 1958 * @return the newly allocated buffer state object. 1959 */ 1960YY_BUFFER_STATE zconf_scan_buffer (char * base, yy_size_t size ) 1961{ 1962 YY_BUFFER_STATE b; 1963 1964 if ( size < 2 || 1965 base[size-2] != YY_END_OF_BUFFER_CHAR || 1966 base[size-1] != YY_END_OF_BUFFER_CHAR ) 1967 /* They forgot to leave room for the EOB's. */ 1968 return 0; 1969 1970 b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); 1971 if ( ! b ) 1972 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" ); 1973 1974 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ 1975 b->yy_buf_pos = b->yy_ch_buf = base; 1976 b->yy_is_our_buffer = 0; 1977 b->yy_input_file = 0; 1978 b->yy_n_chars = b->yy_buf_size; 1979 b->yy_is_interactive = 0; 1980 b->yy_at_bol = 1; 1981 b->yy_fill_buffer = 0; 1982 b->yy_buffer_status = YY_BUFFER_NEW; 1983 1984 zconf_switch_to_buffer(b ); 1985 1986 return b; 1987} 1988 1989/** Setup the input buffer state to scan a string. The next call to zconflex() will 1990 * scan from a @e copy of @a str. 1991 * @param yystr a NUL-terminated string to scan 1992 * 1993 * @return the newly allocated buffer state object. 1994 * @note If you want to scan bytes that may contain NUL values, then use 1995 * zconf_scan_bytes() instead. 1996 */ 1997YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr ) 1998{ 1999 2000 return zconf_scan_bytes(yystr,strlen(yystr) ); 2001} 2002 2003/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will 2004 * scan from a @e copy of @a bytes. 2005 * @param bytes the byte buffer to scan 2006 * @param len the number of bytes in the buffer pointed to by @a bytes. 2007 * 2008 * @return the newly allocated buffer state object. 2009 */ 2010YY_BUFFER_STATE zconf_scan_bytes (yyconst char * yybytes, int _yybytes_len ) 2011{ 2012 YY_BUFFER_STATE b; 2013 char *buf; 2014 yy_size_t n; 2015 int i; 2016 2017 /* Get memory for full buffer, including space for trailing EOB's. */ 2018 n = _yybytes_len + 2; 2019 buf = (char *) zconfalloc(n ); 2020 if ( ! buf ) 2021 YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" ); 2022 2023 for ( i = 0; i < _yybytes_len; ++i ) 2024 buf[i] = yybytes[i]; 2025 2026 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; 2027 2028 b = zconf_scan_buffer(buf,n ); 2029 if ( ! b ) 2030 YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" ); 2031 2032 /* It's okay to grow etc. this buffer, and we should throw it 2033 * away when we're done. 2034 */ 2035 b->yy_is_our_buffer = 1; 2036 2037 return b; 2038} 2039 2040#ifndef YY_EXIT_FAILURE 2041#define YY_EXIT_FAILURE 2 2042#endif 2043 2044static void yy_fatal_error (yyconst char* msg ) 2045{ 2046 (void) fprintf( stderr, "%s\n", msg ); 2047 exit( YY_EXIT_FAILURE ); 2048} 2049 2050/* Redefine yyless() so it works in section 3 code. */ 2051 2052#undef yyless 2053#define yyless(n) \ 2054 do \ 2055 { \ 2056 /* Undo effects of setting up zconftext. */ \ 2057 int yyless_macro_arg = (n); \ 2058 YY_LESS_LINENO(yyless_macro_arg);\ 2059 zconftext[zconfleng] = (yy_hold_char); \ 2060 (yy_c_buf_p) = zconftext + yyless_macro_arg; \ 2061 (yy_hold_char) = *(yy_c_buf_p); \ 2062 *(yy_c_buf_p) = '\0'; \ 2063 zconfleng = yyless_macro_arg; \ 2064 } \ 2065 while ( 0 ) 2066 2067/* Accessor methods (get/set functions) to struct members. */ 2068 2069/** Get the current line number. 2070 * 2071 */ 2072int zconfget_lineno (void) 2073{ 2074 2075 return zconflineno; 2076} 2077 2078/** Get the input stream. 2079 * 2080 */ 2081FILE *zconfget_in (void) 2082{ 2083 return zconfin; 2084} 2085 2086/** Get the output stream. 2087 * 2088 */ 2089FILE *zconfget_out (void) 2090{ 2091 return zconfout; 2092} 2093 2094/** Get the length of the current token. 2095 * 2096 */ 2097int zconfget_leng (void) 2098{ 2099 return zconfleng; 2100} 2101 2102/** Get the current token. 2103 * 2104 */ 2105 2106char *zconfget_text (void) 2107{ 2108 return zconftext; 2109} 2110 2111/** Set the current line number. 2112 * @param line_number 2113 * 2114 */ 2115void zconfset_lineno (int line_number ) 2116{ 2117 2118 zconflineno = line_number; 2119} 2120 2121/** Set the input stream. This does not discard the current 2122 * input buffer. 2123 * @param in_str A readable stream. 2124 * 2125 * @see zconf_switch_to_buffer 2126 */ 2127void zconfset_in (FILE * in_str ) 2128{ 2129 zconfin = in_str ; 2130} 2131 2132void zconfset_out (FILE * out_str ) 2133{ 2134 zconfout = out_str ; 2135} 2136 2137int zconfget_debug (void) 2138{ 2139 return zconf_flex_debug; 2140} 2141 2142void zconfset_debug (int bdebug ) 2143{ 2144 zconf_flex_debug = bdebug ; 2145} 2146 2147static int yy_init_globals (void) 2148{ 2149 /* Initialization is the same as for the non-reentrant scanner. 2150 * This function is called from zconflex_destroy(), so don't allocate here. 2151 */ 2152 2153 (yy_buffer_stack) = 0; 2154 (yy_buffer_stack_top) = 0; 2155 (yy_buffer_stack_max) = 0; 2156 (yy_c_buf_p) = (char *) 0; 2157 (yy_init) = 0; 2158 (yy_start) = 0; 2159 2160/* Defined in main.c */ 2161#ifdef YY_STDINIT 2162 zconfin = stdin; 2163 zconfout = stdout; 2164#else 2165 zconfin = (FILE *) 0; 2166 zconfout = (FILE *) 0; 2167#endif 2168 2169 /* For future reference: Set errno on error, since we are called by 2170 * zconflex_init() 2171 */ 2172 return 0; 2173} 2174 2175/* zconflex_destroy is for both reentrant and non-reentrant scanners. */ 2176int zconflex_destroy (void) 2177{ 2178 2179 /* Pop the buffer stack, destroying each element. */ 2180 while(YY_CURRENT_BUFFER){ 2181 zconf_delete_buffer(YY_CURRENT_BUFFER ); 2182 YY_CURRENT_BUFFER_LVALUE = NULL; 2183 zconfpop_buffer_state(); 2184 } 2185 2186 /* Destroy the stack itself. */ 2187 zconffree((yy_buffer_stack) ); 2188 (yy_buffer_stack) = NULL; 2189 2190 /* Reset the globals. This is important in a non-reentrant scanner so the next time 2191 * zconflex() is called, initialization will occur. */ 2192 yy_init_globals( ); 2193 2194 return 0; 2195} 2196 2197/* 2198 * Internal utility routines. 2199 */ 2200 2201#ifndef yytext_ptr 2202static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) 2203{ 2204 register int i; 2205 for ( i = 0; i < n; ++i ) 2206 s1[i] = s2[i]; 2207} 2208#endif 2209 2210#ifdef YY_NEED_STRLEN 2211static int yy_flex_strlen (yyconst char * s ) 2212{ 2213 register int n; 2214 for ( n = 0; s[n]; ++n ) 2215 ; 2216 2217 return n; 2218} 2219#endif 2220 2221void *zconfalloc (yy_size_t size ) 2222{ 2223 return (void *) malloc( size ); 2224} 2225 2226void *zconfrealloc (void * ptr, yy_size_t size ) 2227{ 2228 /* The cast to (char *) in the following accommodates both 2229 * implementations that use char* generic pointers, and those 2230 * that use void* generic pointers. It works with the latter 2231 * because both ANSI C and C++ allow castless assignment from 2232 * any pointer type to void*, and deal with argument conversions 2233 * as though doing an assignment. 2234 */ 2235 return (void *) realloc( (char *) ptr, size ); 2236} 2237 2238void zconffree (void * ptr ) 2239{ 2240 free( (char *) ptr ); /* see zconfrealloc() for (char *) cast */ 2241} 2242 2243#define YYTABLES_NAME "yytables" 2244 2245void zconf_starthelp(void) 2246{ 2247 new_string(); 2248 last_ts = first_ts = 0; 2249 BEGIN(HELP); 2250} 2251 2252static void zconf_endhelp(void) 2253{ 2254 zconflval.string = text; 2255 BEGIN(INITIAL); 2256} 2257 2258/* 2259 * Try to open specified file with following names: 2260 * ./name 2261 * $(srctree)/name 2262 * The latter is used when srctree is separate from objtree 2263 * when compiling the kernel. 2264 * Return NULL if file is not found. 2265 */ 2266FILE *zconf_fopen(const char *name) 2267{ 2268 char *env, fullname[PATH_MAX+1]; 2269 FILE *f; 2270 2271 f = fopen(name, "r"); 2272 if (!f && name != NULL && name[0] != '/') { 2273 env = getenv(SRCTREE); 2274 if (env) { 2275 sprintf(fullname, "%s/%s", env, name); 2276 f = fopen(fullname, "r"); 2277 } 2278 } 2279 return f; 2280} 2281 2282void zconf_initscan(const char *name) 2283{ 2284 zconfin = zconf_fopen(name); 2285 if (!zconfin) { 2286 printf("can't find file %s\n", name); 2287 exit(1); 2288 } 2289 2290 current_buf = malloc(sizeof(*current_buf)); 2291 memset(current_buf, 0, sizeof(*current_buf)); 2292 2293 current_file = file_lookup(name); 2294 current_file->lineno = 1; 2295 current_file->flags = FILE_BUSY; 2296} 2297 2298void zconf_nextfile(const char *name) 2299{ 2300 struct file *file = file_lookup(name); 2301 struct buffer *buf = malloc(sizeof(*buf)); 2302 memset(buf, 0, sizeof(*buf)); 2303 2304 current_buf->state = YY_CURRENT_BUFFER; 2305 zconfin = zconf_fopen(name); 2306 if (!zconfin) { 2307 printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name); 2308 exit(1); 2309 } 2310 zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE)); 2311 buf->parent = current_buf; 2312 current_buf = buf; 2313 2314 if (file->flags & FILE_BUSY) { 2315 printf("recursive scan (%s)?\n", name); 2316 exit(1); 2317 } 2318 if (file->flags & FILE_SCANNED) { 2319 printf("file %s already scanned?\n", name); 2320 exit(1); 2321 } 2322 file->flags |= FILE_BUSY; 2323 file->lineno = 1; 2324 file->parent = current_file; 2325 current_file = file; 2326} 2327 2328static void zconf_endfile(void) 2329{ 2330 struct buffer *parent; 2331 2332 current_file->flags |= FILE_SCANNED; 2333 current_file->flags &= ~FILE_BUSY; 2334 current_file = current_file->parent; 2335 2336 parent = current_buf->parent; 2337 if (parent) { 2338 fclose(zconfin); 2339 zconf_delete_buffer(YY_CURRENT_BUFFER); 2340 zconf_switch_to_buffer(parent->state); 2341 } 2342 free(current_buf); 2343 current_buf = parent; 2344} 2345 2346int zconf_lineno(void) 2347{ 2348 return current_pos.lineno; 2349} 2350 2351char *zconf_curname(void) 2352{ 2353 return current_pos.file ? current_pos.file->name : "<none>"; 2354} 2355