zlexer.c revision 1.4
1#include "config.h" 2 3#line 3 "<stdout>" 4 5#define YY_INT_ALIGNED short int 6 7/* A lexical scanner generated by flex */ 8 9#define FLEX_SCANNER 10#define YY_FLEX_MAJOR_VERSION 2 11#define YY_FLEX_MINOR_VERSION 6 12#define YY_FLEX_SUBMINOR_VERSION 1 13#if YY_FLEX_SUBMINOR_VERSION > 0 14#define FLEX_BETA 15#endif 16 17/* First, we deal with platform-specific or compiler-specific issues. */ 18 19/* begin standard C headers. */ 20#include <stdio.h> 21#include <string.h> 22#include <errno.h> 23#include <stdlib.h> 24 25/* end standard C headers. */ 26 27/* flex integer type definitions */ 28 29#ifndef FLEXINT_H 30#define FLEXINT_H 31 32/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ 33 34#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 35 36/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, 37 * if you want the limit (max/min) macros for int types. 38 */ 39#ifndef __STDC_LIMIT_MACROS 40#define __STDC_LIMIT_MACROS 1 41#endif 42 43#include <inttypes.h> 44typedef int8_t flex_int8_t; 45typedef uint8_t flex_uint8_t; 46typedef int16_t flex_int16_t; 47typedef uint16_t flex_uint16_t; 48typedef int32_t flex_int32_t; 49typedef uint32_t flex_uint32_t; 50#else 51typedef signed char flex_int8_t; 52typedef short int flex_int16_t; 53typedef int flex_int32_t; 54typedef unsigned char flex_uint8_t; 55typedef unsigned short int flex_uint16_t; 56typedef unsigned int flex_uint32_t; 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 /* ! C99 */ 88 89#endif /* ! FLEXINT_H */ 90 91/* TODO: this is always defined, so inline it */ 92#define yyconst const 93 94#if defined(__GNUC__) && __GNUC__ >= 3 95#define yynoreturn __attribute__((__noreturn__)) 96#else 97#define yynoreturn 98#endif 99 100/* Returned upon end-of-file. */ 101#define YY_NULL 0 102 103/* Promotes a possibly negative, possibly signed char to an unsigned 104 * integer for use as an array index. If the signed char is negative, 105 * we want to instead treat it as an 8-bit unsigned char, hence the 106 * double cast. 107 */ 108#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) 109 110/* Enter a start condition. This macro really ought to take a parameter, 111 * but we do it the disgusting crufty way forced on us by the ()-less 112 * definition of BEGIN. 113 */ 114#define BEGIN (yy_start) = 1 + 2 * 115 116/* Translate the current start state into a value that can be later handed 117 * to BEGIN to return to the state. The YYSTATE alias is for lex 118 * compatibility. 119 */ 120#define YY_START (((yy_start) - 1) / 2) 121#define YYSTATE YY_START 122 123/* Action number for EOF rule of a given start state. */ 124#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) 125 126/* Special action meaning "start processing a new file". */ 127#define YY_NEW_FILE yyrestart(yyin ) 128 129#define YY_END_OF_BUFFER_CHAR 0 130 131/* Size of default input buffer. */ 132#ifndef YY_BUF_SIZE 133#ifdef __ia64__ 134/* On IA-64, the buffer size is 16k, not 8k. 135 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. 136 * Ditto for the __ia64__ case accordingly. 137 */ 138#define YY_BUF_SIZE 32768 139#else 140#define YY_BUF_SIZE 16384 141#endif /* __ia64__ */ 142#endif 143 144/* The state buf must be large enough to hold one state per character in the main buffer. 145 */ 146#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) 147 148#ifndef YY_TYPEDEF_YY_BUFFER_STATE 149#define YY_TYPEDEF_YY_BUFFER_STATE 150typedef struct yy_buffer_state *YY_BUFFER_STATE; 151#endif 152 153#ifndef YY_TYPEDEF_YY_SIZE_T 154#define YY_TYPEDEF_YY_SIZE_T 155typedef size_t yy_size_t; 156#endif 157 158extern int yyleng; 159 160extern FILE *yyin, *yyout; 161 162#define EOB_ACT_CONTINUE_SCAN 0 163#define EOB_ACT_END_OF_FILE 1 164#define EOB_ACT_LAST_MATCH 2 165 166 #define YY_LESS_LINENO(n) 167 #define YY_LINENO_REWIND_TO(ptr) 168 169/* Return all but the first "n" matched characters back to the input stream. */ 170#define yyless(n) \ 171 do \ 172 { \ 173 /* Undo effects of setting up yytext. */ \ 174 yy_size_t yyless_macro_arg = (n); \ 175 YY_LESS_LINENO(yyless_macro_arg);\ 176 *yy_cp = (yy_hold_char); \ 177 YY_RESTORE_YY_MORE_OFFSET \ 178 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ 179 YY_DO_BEFORE_ACTION; /* set up yytext again */ \ 180 } \ 181 while ( 0 ) 182 183#define unput(c) yyunput( c, (yytext_ptr) ) 184 185#ifndef YY_STRUCT_YY_BUFFER_STATE 186#define YY_STRUCT_YY_BUFFER_STATE 187struct yy_buffer_state 188 { 189 FILE *yy_input_file; 190 191 char *yy_ch_buf; /* input buffer */ 192 char *yy_buf_pos; /* current position in input buffer */ 193 194 /* Size of input buffer in bytes, not including room for EOB 195 * characters. 196 */ 197 int yy_buf_size; 198 199 /* Number of characters read into yy_ch_buf, not including EOB 200 * characters. 201 */ 202 int yy_n_chars; 203 204 /* Whether we "own" the buffer - i.e., we know we created it, 205 * and can realloc() it to grow it, and should free() it to 206 * delete it. 207 */ 208 int yy_is_our_buffer; 209 210 /* Whether this is an "interactive" input source; if so, and 211 * if we're using stdio for input, then we want to use getc() 212 * instead of fread(), to make sure we stop fetching input after 213 * each newline. 214 */ 215 int yy_is_interactive; 216 217 /* Whether we're considered to be at the beginning of a line. 218 * If so, '^' rules will be active on the next match, otherwise 219 * not. 220 */ 221 int yy_at_bol; 222 223 int yy_bs_lineno; /**< The line count. */ 224 int yy_bs_column; /**< The column count. */ 225 226 /* Whether to try to fill the input buffer when we reach the 227 * end of it. 228 */ 229 int yy_fill_buffer; 230 231 int yy_buffer_status; 232 233#define YY_BUFFER_NEW 0 234#define YY_BUFFER_NORMAL 1 235 /* When an EOF's been seen but there's still some text to process 236 * then we mark the buffer as YY_EOF_PENDING, to indicate that we 237 * shouldn't try reading from the input source any more. We might 238 * still have a bunch of tokens to match, though, because of 239 * possible backing-up. 240 * 241 * When we actually see the EOF, we change the status to "new" 242 * (via yyrestart()), so that the user can continue scanning by 243 * just pointing yyin at a new input file. 244 */ 245#define YY_BUFFER_EOF_PENDING 2 246 247 }; 248#endif /* !YY_STRUCT_YY_BUFFER_STATE */ 249 250/* Stack of input buffers. */ 251static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ 252static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ 253static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */ 254 255/* We provide macros for accessing buffer states in case in the 256 * future we want to put the buffer states in a more general 257 * "scanner state". 258 * 259 * Returns the top of the stack, or NULL. 260 */ 261#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ 262 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ 263 : NULL) 264 265/* Same as previous macro, but useful when we know that the buffer stack is not 266 * NULL or when we need an lvalue. For internal use only. 267 */ 268#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] 269 270/* yy_hold_char holds the character lost when yytext is formed. */ 271static char yy_hold_char; 272static int yy_n_chars; /* number of characters read into yy_ch_buf */ 273int yyleng; 274 275/* Points to current character in buffer. */ 276static char *yy_c_buf_p = NULL; 277static int yy_init = 0; /* whether we need to initialize */ 278static int yy_start = 0; /* start state number */ 279 280/* Flag which is used to allow yywrap()'s to do buffer switches 281 * instead of setting up a fresh yyin. A bit of a hack ... 282 */ 283static int yy_did_buffer_switch_on_eof; 284 285void yyrestart (FILE *input_file ); 286void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); 287YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); 288void yy_delete_buffer (YY_BUFFER_STATE b ); 289void yy_flush_buffer (YY_BUFFER_STATE b ); 290void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); 291void yypop_buffer_state (void ); 292 293static void yyensure_buffer_stack (void ); 294static void yy_load_buffer_state (void ); 295static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); 296 297#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) 298 299YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); 300YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); 301YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); 302 303void *yyalloc (yy_size_t ); 304void *yyrealloc (void *,yy_size_t ); 305void yyfree (void * ); 306 307#define yy_new_buffer yy_create_buffer 308 309#define yy_set_interactive(is_interactive) \ 310 { \ 311 if ( ! YY_CURRENT_BUFFER ){ \ 312 yyensure_buffer_stack (); \ 313 YY_CURRENT_BUFFER_LVALUE = \ 314 yy_create_buffer(yyin,YY_BUF_SIZE ); \ 315 } \ 316 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ 317 } 318 319#define yy_set_bol(at_bol) \ 320 { \ 321 if ( ! YY_CURRENT_BUFFER ){\ 322 yyensure_buffer_stack (); \ 323 YY_CURRENT_BUFFER_LVALUE = \ 324 yy_create_buffer(yyin,YY_BUF_SIZE ); \ 325 } \ 326 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ 327 } 328 329#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) 330 331/* Begin user sect3 */ 332 333typedef unsigned char YY_CHAR; 334 335FILE *yyin = NULL, *yyout = NULL; 336 337typedef int yy_state_type; 338 339extern int yylineno; 340 341int yylineno = 1; 342 343extern char *yytext; 344#ifdef yytext_ptr 345#undef yytext_ptr 346#endif 347#define yytext_ptr yytext 348 349static yy_state_type yy_get_previous_state (void ); 350static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); 351static int yy_get_next_buffer (void ); 352static void yynoreturn yy_fatal_error (yyconst char* msg ); 353 354/* Done after the current pattern has been matched and before the 355 * corresponding action - sets up yytext. 356 */ 357#define YY_DO_BEFORE_ACTION \ 358 (yytext_ptr) = yy_bp; \ 359 (yytext_ptr) -= (yy_more_len); \ 360 yyleng = (int) (yy_cp - (yytext_ptr)); \ 361 (yy_hold_char) = *yy_cp; \ 362 *yy_cp = '\0'; \ 363 (yy_c_buf_p) = yy_cp; 364 365#define YY_NUM_RULES 25 366#define YY_END_OF_BUFFER 26 367/* This struct is not used in this scanner, 368 but its presence is necessary. */ 369struct yy_trans_info 370 { 371 flex_int32_t yy_verify; 372 flex_int32_t yy_nxt; 373 }; 374static yyconst flex_int16_t yy_accept[70] = 375 { 0, 376 0, 0, 0, 0, 16, 16, 20, 20, 26, 23, 377 14, 11, 11, 19, 24, 12, 13, 8, 1, 9, 378 23, 24, 6, 5, 16, 17, 16, 18, 20, 21, 379 22, 25, 23, 23, 14, 1, 1, 23, 23, 10, 380 15, 23, 7, 7, 7, 7, 6, 16, 16, 16, 381 16, 20, 0, 23, 23, 7, 7, 7, 7, 7, 382 2, 7, 7, 7, 7, 7, 3, 4, 0 383 } ; 384 385static yyconst YY_CHAR yy_ec[256] = 386 { 0, 387 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 388 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 389 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 390 1, 2, 1, 5, 6, 7, 1, 1, 1, 8, 391 9, 1, 1, 1, 1, 10, 1, 1, 1, 1, 392 1, 1, 1, 1, 1, 1, 1, 1, 11, 1, 393 1, 1, 1, 12, 13, 13, 14, 15, 16, 13, 394 17, 13, 18, 13, 13, 19, 13, 20, 21, 13, 395 13, 22, 13, 23, 24, 13, 13, 13, 13, 13, 396 25, 26, 27, 1, 1, 1, 13, 13, 28, 29, 397 398 30, 13, 31, 13, 32, 13, 13, 33, 13, 34, 399 35, 13, 13, 36, 13, 37, 38, 13, 13, 13, 400 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 401 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 402 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 403 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 404 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 405 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 406 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 407 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 408 409 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 410 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 411 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 412 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 413 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 414 1, 1, 1, 1, 1 415 } ; 416 417static yyconst YY_CHAR yy_meta[39] = 418 { 0, 419 1, 2, 3, 2, 4, 1, 1, 2, 2, 2, 420 2, 1, 5, 5, 5, 5, 5, 5, 5, 5, 421 5, 5, 5, 5, 1, 1, 6, 5, 5, 5, 422 5, 5, 5, 5, 5, 5, 5, 5 423 } ; 424 425static yyconst flex_uint16_t yy_base[83] = 426 { 0, 427 0, 25, 113, 112, 12, 14, 16, 17, 114, 87, 428 12, 218, 218, 218, 218, 218, 218, 218, 0, 86, 429 50, 59, 0, 218, 85, 218, 18, 218, 84, 218, 430 218, 103, 81, 95, 14, 0, 0, 76, 75, 74, 431 64, 120, 0, 28, 27, 27, 0, 63, 20, 59, 432 39, 57, 63, 5, 0, 41, 39, 48, 51, 55, 433 0, 49, 56, 63, 59, 79, 0, 0, 218, 146, 434 152, 158, 164, 170, 176, 182, 1, 188, 194, 199, 435 205, 211 436 } ; 437 438static yyconst flex_int16_t yy_def[83] = 439 { 0, 440 70, 70, 71, 71, 72, 72, 73, 73, 69, 74, 441 69, 69, 69, 69, 69, 69, 69, 69, 75, 74, 442 76, 77, 78, 69, 79, 69, 80, 69, 81, 69, 443 69, 81, 74, 82, 69, 75, 75, 74, 74, 74, 444 74, 82, 77, 77, 77, 77, 78, 79, 80, 79, 445 80, 81, 81, 74, 42, 77, 77, 77, 77, 77, 446 77, 77, 77, 77, 77, 77, 77, 77, 0, 69, 447 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 448 69, 69 449 } ; 450 451static yyconst flex_uint16_t yy_nxt[257] = 452 { 0, 453 69, 11, 12, 13, 14, 43, 15, 16, 17, 18, 454 19, 20, 69, 35, 26, 35, 26, 69, 30, 30, 455 31, 31, 36, 69, 36, 21, 11, 12, 13, 14, 456 34, 22, 16, 17, 18, 19, 20, 27, 28, 27, 457 28, 32, 32, 51, 48, 51, 48, 56, 57, 58, 458 21, 39, 39, 39, 59, 40, 60, 39, 39, 39, 459 39, 56, 57, 58, 51, 48, 61, 52, 59, 62, 460 60, 63, 64, 65, 41, 42, 44, 66, 67, 45, 461 61, 46, 53, 62, 49, 63, 64, 65, 49, 34, 462 44, 66, 67, 45, 68, 46, 33, 33, 33, 34, 463 464 34, 34, 33, 33, 33, 33, 34, 52, 68, 53, 465 49, 34, 34, 69, 24, 24, 69, 69, 69, 69, 466 55, 33, 33, 33, 69, 69, 69, 33, 33, 33, 467 33, 69, 69, 69, 69, 69, 69, 69, 69, 69, 468 69, 69, 69, 69, 69, 55, 10, 10, 10, 10, 469 10, 10, 23, 23, 23, 23, 23, 23, 25, 25, 470 25, 25, 25, 25, 29, 29, 29, 29, 29, 29, 471 33, 69, 69, 33, 33, 33, 37, 37, 69, 37, 472 37, 37, 38, 38, 38, 38, 38, 38, 47, 47, 473 69, 47, 47, 47, 48, 48, 69, 48, 48, 50, 474 475 50, 69, 50, 50, 50, 52, 52, 69, 69, 52, 476 52, 54, 54, 54, 54, 54, 54, 9, 69, 69, 477 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 478 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 479 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 480 69, 69, 69, 69, 69, 69 481 } ; 482 483static yyconst flex_int16_t yy_chk[257] = 484 { 0, 485 0, 1, 1, 1, 1, 77, 1, 1, 1, 1, 486 1, 1, 0, 11, 5, 35, 6, 0, 7, 8, 487 7, 8, 11, 0, 35, 1, 2, 2, 2, 2, 488 54, 2, 2, 2, 2, 2, 2, 5, 5, 6, 489 6, 7, 8, 27, 27, 49, 49, 44, 45, 46, 490 2, 21, 21, 21, 56, 21, 57, 21, 21, 21, 491 21, 44, 45, 46, 51, 51, 58, 53, 56, 59, 492 57, 60, 62, 63, 21, 21, 22, 64, 65, 22, 493 58, 22, 52, 59, 50, 60, 62, 63, 48, 41, 494 22, 64, 65, 22, 66, 22, 34, 34, 34, 40, 495 496 39, 38, 34, 34, 34, 34, 33, 32, 66, 29, 497 25, 20, 10, 9, 4, 3, 0, 0, 0, 0, 498 34, 42, 42, 42, 0, 0, 0, 42, 42, 42, 499 42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 500 0, 0, 0, 0, 0, 42, 70, 70, 70, 70, 501 70, 70, 71, 71, 71, 71, 71, 71, 72, 72, 502 72, 72, 72, 72, 73, 73, 73, 73, 73, 73, 503 74, 0, 0, 74, 74, 74, 75, 75, 0, 75, 504 75, 75, 76, 76, 76, 76, 76, 76, 78, 78, 505 0, 78, 78, 78, 79, 79, 0, 79, 79, 80, 506 507 80, 0, 80, 80, 80, 81, 81, 0, 0, 81, 508 81, 82, 82, 82, 82, 82, 82, 69, 69, 69, 509 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 510 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 511 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 512 69, 69, 69, 69, 69, 69 513 } ; 514 515static yy_state_type yy_last_accepting_state; 516static char *yy_last_accepting_cpos; 517 518extern int yy_flex_debug; 519int yy_flex_debug = 0; 520 521/* The intent behind this definition is that it'll catch 522 * any uses of REJECT which flex missed. 523 */ 524#define REJECT reject_used_but_not_detected 525static int yy_more_flag = 0; 526static int yy_more_len = 0; 527#define yymore() ((yy_more_flag) = 1) 528#define YY_MORE_ADJ (yy_more_len) 529#define YY_RESTORE_YY_MORE_OFFSET 530char *yytext; 531#line 1 "zlexer.lex" 532#line 2 "zlexer.lex" 533/* 534 * zlexer.lex - lexical analyzer for (DNS) zone files 535 * 536 * Copyright (c) 2001-2006, NLnet Labs. All rights reserved 537 * 538 * See LICENSE for the license. 539 * 540 */ 541/* because flex keeps having sign-unsigned compare problems that are unfixed*/ 542#if defined(__clang__)||(defined(__GNUC__)&&((__GNUC__ >4)||(defined(__GNUC_MINOR__)&&(__GNUC__ ==4)&&(__GNUC_MINOR__ >=2)))) 543#pragma GCC diagnostic ignored "-Wsign-compare" 544#endif 545/* ignore fallthrough warnings in the generated parse code case statements */ 546#if defined(__clang__)||(defined(__GNUC__)&&(__GNUC__ >=7)) 547#pragma GCC diagnostic ignored "-Wimplicit-fallthrough" 548#endif 549 550#include "config.h" 551 552#include <ctype.h> 553#include <errno.h> 554#include <string.h> 555#include <strings.h> 556 557#include "zonec.h" 558#include "dname.h" 559#include "zparser.h" 560 561#if 0 562#define LEXOUT(s) printf s /* used ONLY when debugging */ 563#else 564#define LEXOUT(s) 565#endif 566 567enum lexer_state { 568 EXPECT_OWNER, 569 PARSING_OWNER, 570 PARSING_TTL_CLASS_TYPE, 571 PARSING_RDATA 572}; 573 574static int parse_token(int token, char *yytext, enum lexer_state *lexer_state); 575 576static YY_BUFFER_STATE include_stack[MAXINCLUDES]; 577static zparser_type zparser_stack[MAXINCLUDES]; 578static int include_stack_ptr = 0; 579 580/* 581 * Saves the file specific variables on the include stack. 582 */ 583static void 584push_parser_state(FILE *input) 585{ 586 zparser_stack[include_stack_ptr].filename = parser->filename; 587 zparser_stack[include_stack_ptr].line = parser->line; 588 zparser_stack[include_stack_ptr].origin = parser->origin; 589 include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; 590 yy_switch_to_buffer(yy_create_buffer(input,YY_BUF_SIZE)); 591 ++include_stack_ptr; 592} 593 594/* 595 * Restores the file specific variables from the include stack. 596 */ 597static void 598pop_parser_state(void) 599{ 600 --include_stack_ptr; 601 parser->filename = zparser_stack[include_stack_ptr].filename; 602 parser->line = zparser_stack[include_stack_ptr].line; 603 parser->origin = zparser_stack[include_stack_ptr].origin; 604 yy_delete_buffer(YY_CURRENT_BUFFER); 605 yy_switch_to_buffer(include_stack[include_stack_ptr]); 606} 607 608static YY_BUFFER_STATE oldstate; 609/* Start string scan */ 610void 611parser_push_stringbuf(char* str) 612{ 613 oldstate = YY_CURRENT_BUFFER; 614 yy_switch_to_buffer(yy_scan_string(str)); 615} 616 617void 618parser_pop_stringbuf(void) 619{ 620 yy_delete_buffer(YY_CURRENT_BUFFER); 621 yy_switch_to_buffer(oldstate); 622 oldstate = NULL; 623} 624 625 static int paren_open = 0; 626 static enum lexer_state lexer_state = EXPECT_OWNER; 627void 628parser_flush(void) 629{ 630 YY_FLUSH_BUFFER; 631 paren_open = 0; 632 lexer_state = EXPECT_OWNER; 633} 634 635#ifndef yy_set_bol /* compat definition, for flex 2.4.6 */ 636#define yy_set_bol(at_bol) \ 637 { \ 638 if ( ! yy_current_buffer ) \ 639 yy_current_buffer = yy_create_buffer(yyin,YY_BUF_SIZE ); \ 640 yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \ 641 } 642#endif 643 644#define YY_NO_INPUT 1 645#line 117 "zlexer.lex" 646#ifndef YY_NO_UNPUT 647#define YY_NO_UNPUT 1 648#endif 649#ifndef YY_NO_INPUT 650#define YY_NO_INPUT 1 651#endif 652 653#line 653 "<stdout>" 654 655#define INITIAL 0 656#define incl 1 657#define bitlabel 2 658#define quotedstring 3 659 660#ifndef YY_NO_UNISTD_H 661/* Special case for "unistd.h", since it is non-ANSI. We include it way 662 * down here because we want the user's section 1 to have been scanned first. 663 * The user has a chance to override it with an option. 664 */ 665#include <unistd.h> 666#endif 667 668#ifndef YY_EXTRA_TYPE 669#define YY_EXTRA_TYPE void * 670#endif 671 672static int yy_init_globals (void ); 673 674/* Accessor methods to globals. 675 These are made visible to non-reentrant scanners for convenience. */ 676 677int yylex_destroy (void ); 678 679int yyget_debug (void ); 680 681void yyset_debug (int debug_flag ); 682 683YY_EXTRA_TYPE yyget_extra (void ); 684 685void yyset_extra (YY_EXTRA_TYPE user_defined ); 686 687FILE *yyget_in (void ); 688 689void yyset_in (FILE * _in_str ); 690 691FILE *yyget_out (void ); 692 693void yyset_out (FILE * _out_str ); 694 695 int yyget_leng (void ); 696 697char *yyget_text (void ); 698 699int yyget_lineno (void ); 700 701void yyset_lineno (int _line_number ); 702 703/* Macros after this point can all be overridden by user definitions in 704 * section 1. 705 */ 706 707#ifndef YY_SKIP_YYWRAP 708#ifdef __cplusplus 709extern "C" int yywrap (void ); 710#else 711extern int yywrap (void ); 712#endif 713#endif 714 715#ifndef YY_NO_UNPUT 716 717#endif 718 719#ifndef yytext_ptr 720static void yy_flex_strncpy (char *,yyconst char *,int ); 721#endif 722 723#ifdef YY_NEED_STRLEN 724static int yy_flex_strlen (yyconst char * ); 725#endif 726 727#ifndef YY_NO_INPUT 728 729#ifdef __cplusplus 730static int yyinput (void ); 731#else 732static int input (void ); 733#endif 734 735#endif 736 737/* Amount of stuff to slurp up with each read. */ 738#ifndef YY_READ_BUF_SIZE 739#ifdef __ia64__ 740/* On IA-64, the buffer size is 16k, not 8k */ 741#define YY_READ_BUF_SIZE 16384 742#else 743#define YY_READ_BUF_SIZE 8192 744#endif /* __ia64__ */ 745#endif 746 747/* Copy whatever the last rule matched to the standard output. */ 748#ifndef ECHO 749/* This used to be an fputs(), but since the string might contain NUL's, 750 * we now use fwrite(). 751 */ 752#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) 753#endif 754 755/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, 756 * is returned in "result". 757 */ 758#ifndef YY_INPUT 759#define YY_INPUT(buf,result,max_size) \ 760 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ 761 { \ 762 int c = '*'; \ 763 int n; \ 764 for ( n = 0; n < max_size && \ 765 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ 766 buf[n] = (char) c; \ 767 if ( c == '\n' ) \ 768 buf[n++] = (char) c; \ 769 if ( c == EOF && ferror( yyin ) ) \ 770 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 771 result = n; \ 772 } \ 773 else \ 774 { \ 775 errno=0; \ 776 while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ 777 { \ 778 if( errno != EINTR) \ 779 { \ 780 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 781 break; \ 782 } \ 783 errno=0; \ 784 clearerr(yyin); \ 785 } \ 786 }\ 787\ 788 789#endif 790 791/* No semi-colon after return; correct usage is to write "yyterminate();" - 792 * we don't want an extra ';' after the "return" because that will cause 793 * some compilers to complain about unreachable statements. 794 */ 795#ifndef yyterminate 796#define yyterminate() return YY_NULL 797#endif 798 799/* Number of entries by which start-condition stack grows. */ 800#ifndef YY_START_STACK_INCR 801#define YY_START_STACK_INCR 25 802#endif 803 804/* Report a fatal error. */ 805#ifndef YY_FATAL_ERROR 806#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) 807#endif 808 809/* end tables serialization structures and prototypes */ 810 811/* Default declaration of generated scanner - a define so the user can 812 * easily add parameters. 813 */ 814#ifndef YY_DECL 815#define YY_DECL_IS_OURS 1 816 817extern int yylex (void); 818 819#define YY_DECL int yylex (void) 820#endif /* !YY_DECL */ 821 822/* Code executed at the beginning of each rule, after yytext and yyleng 823 * have been set up. 824 */ 825#ifndef YY_USER_ACTION 826#define YY_USER_ACTION 827#endif 828 829/* Code executed at the end of each rule. */ 830#ifndef YY_BREAK 831#define YY_BREAK /*LINTED*/break; 832#endif 833 834#define YY_RULE_SETUP \ 835 if ( yyleng > 0 ) \ 836 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ 837 (yytext[yyleng - 1] == '\n'); \ 838 YY_USER_ACTION 839 840/** The main scanner function which does all the work. 841 */ 842YY_DECL 843{ 844 yy_state_type yy_current_state; 845 char *yy_cp, *yy_bp; 846 int yy_act; 847 848 if ( !(yy_init) ) 849 { 850 (yy_init) = 1; 851 852#ifdef YY_USER_INIT 853 YY_USER_INIT; 854#endif 855 856 if ( ! (yy_start) ) 857 (yy_start) = 1; /* first start state */ 858 859 if ( ! yyin ) 860 yyin = stdin; 861 862 if ( ! yyout ) 863 yyout = stdout; 864 865 if ( ! YY_CURRENT_BUFFER ) { 866 yyensure_buffer_stack (); 867 YY_CURRENT_BUFFER_LVALUE = 868 yy_create_buffer(yyin,YY_BUF_SIZE ); 869 } 870 871 yy_load_buffer_state( ); 872 } 873 874 { 875#line 139 "zlexer.lex" 876 877#line 877 "<stdout>" 878 879 while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ 880 { 881 (yy_more_len) = 0; 882 if ( (yy_more_flag) ) 883 { 884 (yy_more_len) = (yy_c_buf_p) - (yytext_ptr); 885 (yy_more_flag) = 0; 886 } 887 yy_cp = (yy_c_buf_p); 888 889 /* Support of yytext. */ 890 *yy_cp = (yy_hold_char); 891 892 /* yy_bp points to the position in yy_ch_buf of the start of 893 * the current run. 894 */ 895 yy_bp = yy_cp; 896 897 yy_current_state = (yy_start); 898 yy_current_state += YY_AT_BOL(); 899yy_match: 900 do 901 { 902 YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; 903 if ( yy_accept[yy_current_state] ) 904 { 905 (yy_last_accepting_state) = yy_current_state; 906 (yy_last_accepting_cpos) = yy_cp; 907 } 908 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 909 { 910 yy_current_state = (int) yy_def[yy_current_state]; 911 if ( yy_current_state >= 70 ) 912 yy_c = yy_meta[(unsigned int) yy_c]; 913 } 914 yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; 915 ++yy_cp; 916 } 917 while ( yy_base[yy_current_state] != 218 ); 918 919yy_find_action: 920 yy_act = yy_accept[yy_current_state]; 921 if ( yy_act == 0 ) 922 { /* have to back up */ 923 yy_cp = (yy_last_accepting_cpos); 924 yy_current_state = (yy_last_accepting_state); 925 yy_act = yy_accept[yy_current_state]; 926 } 927 928 YY_DO_BEFORE_ACTION; 929 930do_action: /* This label is used only to access EOF actions. */ 931 932 switch ( yy_act ) 933 { /* beginning of action switch */ 934 case 0: /* must back up */ 935 /* undo the effects of YY_DO_BEFORE_ACTION */ 936 *yy_cp = (yy_hold_char); 937 yy_cp = (yy_last_accepting_cpos); 938 yy_current_state = (yy_last_accepting_state); 939 goto yy_find_action; 940 941case 1: 942YY_RULE_SETUP 943#line 140 "zlexer.lex" 944/* ignore */ 945 YY_BREAK 946case 2: 947YY_RULE_SETUP 948#line 141 "zlexer.lex" 949{ lexer_state = PARSING_RDATA; return DOLLAR_TTL; } 950 YY_BREAK 951case 3: 952YY_RULE_SETUP 953#line 142 "zlexer.lex" 954{ lexer_state = PARSING_RDATA; return DOLLAR_ORIGIN; } 955 YY_BREAK 956/* 957 * Handle $INCLUDE directives. See 958 * http://dinosaur.compilertools.net/flex/flex_12.html#SEC12. 959 */ 960case 4: 961YY_RULE_SETUP 962#line 148 "zlexer.lex" 963{ 964 BEGIN(incl); 965 /* ignore case statement fallthrough on incl<EOF> flex rule */ 966} 967 YY_BREAK 968case 5: 969/* rule 5 can match eol */ 970#line 153 "zlexer.lex" 971YY_RULE_SETUP 972case YY_STATE_EOF(incl): 973#line 153 "zlexer.lex" 974{ 975 int error_occurred = parser->error_occurred; 976 BEGIN(INITIAL); 977 zc_error("missing file name in $INCLUDE directive"); 978 yy_set_bol(1); /* Set beginning of line, so "^" rules match. */ 979 ++parser->line; 980 parser->error_occurred = error_occurred; 981} 982 YY_BREAK 983case 6: 984YY_RULE_SETUP 985#line 161 "zlexer.lex" 986{ 987 char *tmp; 988 domain_type *origin = parser->origin; 989 int error_occurred = parser->error_occurred; 990 991 BEGIN(INITIAL); 992 if (include_stack_ptr >= MAXINCLUDES ) { 993 zc_error("includes nested too deeply, skipped (>%d)", 994 MAXINCLUDES); 995 } else { 996 FILE *input; 997 998 /* Remove trailing comment. */ 999 tmp = strrchr(yytext, ';'); 1000 if (tmp) { 1001 *tmp = '\0'; 1002 } 1003 strip_string(yytext); 1004 1005 /* Parse origin for include file. */ 1006 tmp = strrchr(yytext, ' '); 1007 if (!tmp) { 1008 tmp = strrchr(yytext, '\t'); 1009 } 1010 if (tmp) { 1011 const dname_type *dname; 1012 1013 /* split the original yytext */ 1014 *tmp = '\0'; 1015 strip_string(yytext); 1016 1017 dname = dname_parse(parser->region, tmp + 1); 1018 if (!dname) { 1019 zc_error("incorrect include origin '%s'", 1020 tmp + 1); 1021 } else if (*(tmp + strlen(tmp + 1)) != '.') { 1022 zc_error("$INCLUDE directive requires absolute domain name"); 1023 } else { 1024 origin = domain_table_insert( 1025 parser->db->domains, dname); 1026 } 1027 } 1028 1029 if (strlen(yytext) == 0) { 1030 zc_error("missing file name in $INCLUDE directive"); 1031 } else if (!(input = fopen(yytext, "r"))) { 1032 zc_error("cannot open include file '%s': %s", 1033 yytext, strerror(errno)); 1034 } else { 1035 /* Initialize parser for include file. */ 1036 char *filename = region_strdup(parser->region, yytext); 1037 push_parser_state(input); /* Destroys yytext. */ 1038 parser->filename = filename; 1039 parser->line = 1; 1040 parser->origin = origin; 1041 lexer_state = EXPECT_OWNER; 1042 } 1043 } 1044 1045 parser->error_occurred = error_occurred; 1046} 1047 YY_BREAK 1048case YY_STATE_EOF(INITIAL): 1049#line 222 "zlexer.lex" 1050{ 1051 yy_set_bol(1); /* Set beginning of line, so "^" rules match. */ 1052 if (include_stack_ptr == 0) { 1053 yyterminate(); 1054 } else { 1055 fclose(yyin); 1056 pop_parser_state(); 1057 } 1058} 1059 YY_BREAK 1060case 7: 1061YY_RULE_SETUP 1062#line 231 "zlexer.lex" 1063{ zc_warning("Unknown directive: %s", yytext); } 1064 YY_BREAK 1065case 8: 1066YY_RULE_SETUP 1067#line 232 "zlexer.lex" 1068{ 1069 LEXOUT((". ")); 1070 return parse_token('.', yytext, &lexer_state); 1071} 1072 YY_BREAK 1073case 9: 1074YY_RULE_SETUP 1075#line 236 "zlexer.lex" 1076{ 1077 LEXOUT(("@ ")); 1078 return parse_token('@', yytext, &lexer_state); 1079} 1080 YY_BREAK 1081case 10: 1082YY_RULE_SETUP 1083#line 240 "zlexer.lex" 1084{ 1085 LEXOUT(("\\# ")); 1086 return parse_token(URR, yytext, &lexer_state); 1087} 1088 YY_BREAK 1089case 11: 1090/* rule 11 can match eol */ 1091YY_RULE_SETUP 1092#line 244 "zlexer.lex" 1093{ 1094 ++parser->line; 1095 if (!paren_open) { 1096 lexer_state = EXPECT_OWNER; 1097 LEXOUT(("NL\n")); 1098 return NL; 1099 } else { 1100 LEXOUT(("SP ")); 1101 return SP; 1102 } 1103} 1104 YY_BREAK 1105case 12: 1106YY_RULE_SETUP 1107#line 255 "zlexer.lex" 1108{ 1109 if (paren_open) { 1110 zc_error("nested parentheses"); 1111 yyterminate(); 1112 } 1113 LEXOUT(("( ")); 1114 paren_open = 1; 1115 return SP; 1116} 1117 YY_BREAK 1118case 13: 1119YY_RULE_SETUP 1120#line 264 "zlexer.lex" 1121{ 1122 if (!paren_open) { 1123 zc_error("closing parentheses without opening parentheses"); 1124 yyterminate(); 1125 } 1126 LEXOUT((") ")); 1127 paren_open = 0; 1128 return SP; 1129} 1130 YY_BREAK 1131case 14: 1132YY_RULE_SETUP 1133#line 273 "zlexer.lex" 1134{ 1135 if (!paren_open && lexer_state == EXPECT_OWNER) { 1136 lexer_state = PARSING_TTL_CLASS_TYPE; 1137 LEXOUT(("PREV ")); 1138 return PREV; 1139 } 1140 if (lexer_state == PARSING_OWNER) { 1141 lexer_state = PARSING_TTL_CLASS_TYPE; 1142 } 1143 LEXOUT(("SP ")); 1144 return SP; 1145} 1146 YY_BREAK 1147/* Bitlabels. Strip leading and ending brackets. */ 1148case 15: 1149YY_RULE_SETUP 1150#line 287 "zlexer.lex" 1151{ BEGIN(bitlabel); } 1152 YY_BREAK 1153case YY_STATE_EOF(bitlabel): 1154#line 288 "zlexer.lex" 1155{ 1156 zc_error("EOF inside bitlabel"); 1157 BEGIN(INITIAL); 1158 yyrestart(yyin); /* this is so that lex does not give an internal err */ 1159 yyterminate(); 1160} 1161 YY_BREAK 1162case 16: 1163YY_RULE_SETUP 1164#line 294 "zlexer.lex" 1165{ yymore(); } 1166 YY_BREAK 1167case 17: 1168/* rule 17 can match eol */ 1169YY_RULE_SETUP 1170#line 295 "zlexer.lex" 1171{ ++parser->line; yymore(); } 1172 YY_BREAK 1173case 18: 1174YY_RULE_SETUP 1175#line 296 "zlexer.lex" 1176{ 1177 BEGIN(INITIAL); 1178 yytext[yyleng - 1] = '\0'; 1179 return parse_token(BITLAB, yytext, &lexer_state); 1180} 1181 YY_BREAK 1182/* Quoted strings. Strip leading and ending quotes. */ 1183case 19: 1184YY_RULE_SETUP 1185#line 303 "zlexer.lex" 1186{ BEGIN(quotedstring); LEXOUT(("\" ")); } 1187 YY_BREAK 1188case YY_STATE_EOF(quotedstring): 1189#line 304 "zlexer.lex" 1190{ 1191 zc_error("EOF inside quoted string"); 1192 BEGIN(INITIAL); 1193 yyrestart(yyin); /* this is so that lex does not give an internal err */ 1194 yyterminate(); 1195} 1196 YY_BREAK 1197case 20: 1198YY_RULE_SETUP 1199#line 310 "zlexer.lex" 1200{ LEXOUT(("STR ")); yymore(); } 1201 YY_BREAK 1202case 21: 1203/* rule 21 can match eol */ 1204YY_RULE_SETUP 1205#line 311 "zlexer.lex" 1206{ ++parser->line; yymore(); } 1207 YY_BREAK 1208case 22: 1209YY_RULE_SETUP 1210#line 312 "zlexer.lex" 1211{ 1212 LEXOUT(("\" ")); 1213 BEGIN(INITIAL); 1214 yytext[yyleng - 1] = '\0'; 1215 return parse_token(STR, yytext, &lexer_state); 1216} 1217 YY_BREAK 1218case 23: 1219/* rule 23 can match eol */ 1220YY_RULE_SETUP 1221#line 319 "zlexer.lex" 1222{ 1223 /* Any allowed word. */ 1224 return parse_token(STR, yytext, &lexer_state); 1225} 1226 YY_BREAK 1227case 24: 1228YY_RULE_SETUP 1229#line 323 "zlexer.lex" 1230{ 1231 zc_error("unknown character '%c' (\\%03d) seen - is this a zonefile?", 1232 (int) yytext[0], (int) yytext[0]); 1233} 1234 YY_BREAK 1235case 25: 1236YY_RULE_SETUP 1237#line 327 "zlexer.lex" 1238ECHO; 1239 YY_BREAK 1240#line 1240 "<stdout>" 1241 1242 case YY_END_OF_BUFFER: 1243 { 1244 /* Amount of text matched not including the EOB char. */ 1245 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; 1246 1247 /* Undo the effects of YY_DO_BEFORE_ACTION. */ 1248 *yy_cp = (yy_hold_char); 1249 YY_RESTORE_YY_MORE_OFFSET 1250 1251 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) 1252 { 1253 /* We're scanning a new file or input source. It's 1254 * possible that this happened because the user 1255 * just pointed yyin at a new source and called 1256 * yylex(). If so, then we have to assure 1257 * consistency between YY_CURRENT_BUFFER and our 1258 * globals. Here is the right place to do so, because 1259 * this is the first action (other than possibly a 1260 * back-up) that will match for the new input source. 1261 */ 1262 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1263 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; 1264 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; 1265 } 1266 1267 /* Note that here we test for yy_c_buf_p "<=" to the position 1268 * of the first EOB in the buffer, since yy_c_buf_p will 1269 * already have been incremented past the NUL character 1270 * (since all states make transitions on EOB to the 1271 * end-of-buffer state). Contrast this with the test 1272 * in input(). 1273 */ 1274 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1275 { /* This was really a NUL. */ 1276 yy_state_type yy_next_state; 1277 1278 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; 1279 1280 yy_current_state = yy_get_previous_state( ); 1281 1282 /* Okay, we're now positioned to make the NUL 1283 * transition. We couldn't have 1284 * yy_get_previous_state() go ahead and do it 1285 * for us because it doesn't know how to deal 1286 * with the possibility of jamming (and we don't 1287 * want to build jamming into it because then it 1288 * will run more slowly). 1289 */ 1290 1291 yy_next_state = yy_try_NUL_trans( yy_current_state ); 1292 1293 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1294 1295 if ( yy_next_state ) 1296 { 1297 /* Consume the NUL. */ 1298 yy_cp = ++(yy_c_buf_p); 1299 yy_current_state = yy_next_state; 1300 goto yy_match; 1301 } 1302 1303 else 1304 { 1305 yy_cp = (yy_c_buf_p); 1306 goto yy_find_action; 1307 } 1308 } 1309 1310 else switch ( yy_get_next_buffer( ) ) 1311 { 1312 case EOB_ACT_END_OF_FILE: 1313 { 1314 (yy_did_buffer_switch_on_eof) = 0; 1315 1316 if ( yywrap( ) ) 1317 { 1318 /* Note: because we've taken care in 1319 * yy_get_next_buffer() to have set up 1320 * yytext, we can now set up 1321 * yy_c_buf_p so that if some total 1322 * hoser (like flex itself) wants to 1323 * call the scanner after we return the 1324 * YY_NULL, it'll still work - another 1325 * YY_NULL will get returned. 1326 */ 1327 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; 1328 1329 yy_act = YY_STATE_EOF(YY_START); 1330 goto do_action; 1331 } 1332 1333 else 1334 { 1335 if ( ! (yy_did_buffer_switch_on_eof) ) 1336 YY_NEW_FILE; 1337 } 1338 break; 1339 } 1340 1341 case EOB_ACT_CONTINUE_SCAN: 1342 (yy_c_buf_p) = 1343 (yytext_ptr) + yy_amount_of_matched_text; 1344 1345 yy_current_state = yy_get_previous_state( ); 1346 1347 yy_cp = (yy_c_buf_p); 1348 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1349 goto yy_match; 1350 1351 case EOB_ACT_LAST_MATCH: 1352 (yy_c_buf_p) = 1353 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; 1354 1355 yy_current_state = yy_get_previous_state( ); 1356 1357 yy_cp = (yy_c_buf_p); 1358 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1359 goto yy_find_action; 1360 } 1361 break; 1362 } 1363 1364 default: 1365 YY_FATAL_ERROR( 1366 "fatal flex scanner internal error--no action found" ); 1367 } /* end of action switch */ 1368 } /* end of scanning one token */ 1369 } /* end of user's declarations */ 1370} /* end of yylex */ 1371 1372/* yy_get_next_buffer - try to read in a new buffer 1373 * 1374 * Returns a code representing an action: 1375 * EOB_ACT_LAST_MATCH - 1376 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position 1377 * EOB_ACT_END_OF_FILE - end of file 1378 */ 1379static int yy_get_next_buffer (void) 1380{ 1381 char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; 1382 char *source = (yytext_ptr); 1383 yy_size_t number_to_move, i; 1384 int ret_val; 1385 1386 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) 1387 YY_FATAL_ERROR( 1388 "fatal flex scanner internal error--end of buffer missed" ); 1389 1390 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) 1391 { /* Don't try to fill the buffer, so this is an EOF. */ 1392 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) 1393 { 1394 /* We matched a single character, the EOB, so 1395 * treat this as a final EOF. 1396 */ 1397 return EOB_ACT_END_OF_FILE; 1398 } 1399 1400 else 1401 { 1402 /* We matched some text prior to the EOB, first 1403 * process it. 1404 */ 1405 return EOB_ACT_LAST_MATCH; 1406 } 1407 } 1408 1409 /* Try to read more data. */ 1410 1411 /* First move last chars to start of buffer. */ 1412 number_to_move = (yy_size_t) ((yy_c_buf_p) - (yytext_ptr)) - 1; 1413 1414 for ( i = 0; i < number_to_move; ++i ) 1415 *(dest++) = *(source++); 1416 1417 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) 1418 /* don't do the read, it's not guaranteed to return an EOF, 1419 * just force an EOF 1420 */ 1421 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; 1422 1423 else 1424 { 1425 int num_to_read = 1426 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; 1427 1428 while ( num_to_read <= 0 ) 1429 { /* Not enough room in the buffer - grow it. */ 1430 1431 /* just a shorter name for the current buffer */ 1432 YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; 1433 1434 int yy_c_buf_p_offset = 1435 (int) ((yy_c_buf_p) - b->yy_ch_buf); 1436 1437 if ( b->yy_is_our_buffer ) 1438 { 1439 int new_size = b->yy_buf_size * 2; 1440 1441 if ( new_size <= 0 ) 1442 b->yy_buf_size += b->yy_buf_size / 8; 1443 else 1444 b->yy_buf_size *= 2; 1445 1446 b->yy_ch_buf = (char *) 1447 /* Include room in for 2 EOB chars. */ 1448 yyrealloc((void *) b->yy_ch_buf,(yy_size_t) (b->yy_buf_size + 2) ); 1449 } 1450 else 1451 /* Can't grow it, we don't own it. */ 1452 b->yy_ch_buf = NULL; 1453 1454 if ( ! b->yy_ch_buf ) 1455 YY_FATAL_ERROR( 1456 "fatal error - scanner input buffer overflow" ); 1457 1458 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; 1459 1460 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - 1461 number_to_move - 1; 1462 1463 } 1464 1465 if ( num_to_read > YY_READ_BUF_SIZE ) 1466 num_to_read = YY_READ_BUF_SIZE; 1467 1468 /* Read in more data. */ 1469 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), 1470 (yy_n_chars), num_to_read ); 1471 1472 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1473 } 1474 1475 if ( (yy_n_chars) == 0 ) 1476 { 1477 if ( number_to_move == YY_MORE_ADJ ) 1478 { 1479 ret_val = EOB_ACT_END_OF_FILE; 1480 yyrestart(yyin ); 1481 } 1482 1483 else 1484 { 1485 ret_val = EOB_ACT_LAST_MATCH; 1486 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = 1487 YY_BUFFER_EOF_PENDING; 1488 } 1489 } 1490 1491 else 1492 ret_val = EOB_ACT_CONTINUE_SCAN; 1493 1494 if ((int) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { 1495 /* Extend the array by 50%, plus the number we really need. */ 1496 int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); 1497 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,(yy_size_t) new_size ); 1498 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) 1499 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); 1500 } 1501 1502 (yy_n_chars) += number_to_move; 1503 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; 1504 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; 1505 1506 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; 1507 1508 return ret_val; 1509} 1510 1511/* yy_get_previous_state - get the state just before the EOB char was reached */ 1512 1513 static yy_state_type yy_get_previous_state (void) 1514{ 1515 yy_state_type yy_current_state; 1516 char *yy_cp; 1517 1518 yy_current_state = (yy_start); 1519 yy_current_state += YY_AT_BOL(); 1520 1521 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) 1522 { 1523 YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); 1524 if ( yy_accept[yy_current_state] ) 1525 { 1526 (yy_last_accepting_state) = yy_current_state; 1527 (yy_last_accepting_cpos) = yy_cp; 1528 } 1529 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1530 { 1531 yy_current_state = (int) yy_def[yy_current_state]; 1532 if ( yy_current_state >= 70 ) 1533 yy_c = yy_meta[(unsigned int) yy_c]; 1534 } 1535 yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; 1536 } 1537 1538 return yy_current_state; 1539} 1540 1541/* yy_try_NUL_trans - try to make a transition on the NUL character 1542 * 1543 * synopsis 1544 * next_state = yy_try_NUL_trans( current_state ); 1545 */ 1546 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) 1547{ 1548 int yy_is_jam; 1549 char *yy_cp = (yy_c_buf_p); 1550 1551 YY_CHAR yy_c = 1; 1552 if ( yy_accept[yy_current_state] ) 1553 { 1554 (yy_last_accepting_state) = yy_current_state; 1555 (yy_last_accepting_cpos) = yy_cp; 1556 } 1557 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1558 { 1559 yy_current_state = (int) yy_def[yy_current_state]; 1560 if ( yy_current_state >= 70 ) 1561 yy_c = yy_meta[(unsigned int) yy_c]; 1562 } 1563 yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; 1564 yy_is_jam = (yy_current_state == 69); 1565 1566 return yy_is_jam ? 0 : yy_current_state; 1567} 1568 1569#ifndef YY_NO_UNPUT 1570 1571#endif 1572 1573#ifndef YY_NO_INPUT 1574#ifdef __cplusplus 1575 static int yyinput (void) 1576#else 1577 static int input (void) 1578#endif 1579 1580{ 1581 int c; 1582 1583 *(yy_c_buf_p) = (yy_hold_char); 1584 1585 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) 1586 { 1587 /* yy_c_buf_p now points to the character we want to return. 1588 * If this occurs *before* the EOB characters, then it's a 1589 * valid NUL; if not, then we've hit the end of the buffer. 1590 */ 1591 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1592 /* This was really a NUL. */ 1593 *(yy_c_buf_p) = '\0'; 1594 1595 else 1596 { /* need more input */ 1597 int offset = (yy_c_buf_p) - (yytext_ptr); 1598 ++(yy_c_buf_p); 1599 1600 switch ( yy_get_next_buffer( ) ) 1601 { 1602 case EOB_ACT_LAST_MATCH: 1603 /* This happens because yy_g_n_b() 1604 * sees that we've accumulated a 1605 * token and flags that we need to 1606 * try matching the token before 1607 * proceeding. But for input(), 1608 * there's no matching to consider. 1609 * So convert the EOB_ACT_LAST_MATCH 1610 * to EOB_ACT_END_OF_FILE. 1611 */ 1612 1613 /* Reset buffer status. */ 1614 yyrestart(yyin ); 1615 1616 /*FALLTHROUGH*/ 1617 1618 case EOB_ACT_END_OF_FILE: 1619 { 1620 if ( yywrap( ) ) 1621 return 0; 1622 1623 if ( ! (yy_did_buffer_switch_on_eof) ) 1624 YY_NEW_FILE; 1625#ifdef __cplusplus 1626 return yyinput(); 1627#else 1628 return input(); 1629#endif 1630 } 1631 1632 case EOB_ACT_CONTINUE_SCAN: 1633 (yy_c_buf_p) = (yytext_ptr) + offset; 1634 break; 1635 } 1636 } 1637 } 1638 1639 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ 1640 *(yy_c_buf_p) = '\0'; /* preserve yytext */ 1641 (yy_hold_char) = *++(yy_c_buf_p); 1642 1643 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); 1644 1645 return c; 1646} 1647#endif /* ifndef YY_NO_INPUT */ 1648 1649/** Immediately switch to a different input stream. 1650 * @param input_file A readable stream. 1651 * 1652 * @note This function does not reset the start condition to @c INITIAL . 1653 */ 1654 void yyrestart (FILE * input_file ) 1655{ 1656 1657 if ( ! YY_CURRENT_BUFFER ){ 1658 yyensure_buffer_stack (); 1659 YY_CURRENT_BUFFER_LVALUE = 1660 yy_create_buffer(yyin,YY_BUF_SIZE ); 1661 } 1662 1663 yy_init_buffer(YY_CURRENT_BUFFER,input_file ); 1664 yy_load_buffer_state( ); 1665} 1666 1667/** Switch to a different input buffer. 1668 * @param new_buffer The new input buffer. 1669 * 1670 */ 1671 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) 1672{ 1673 1674 /* TODO. We should be able to replace this entire function body 1675 * with 1676 * yypop_buffer_state(); 1677 * yypush_buffer_state(new_buffer); 1678 */ 1679 yyensure_buffer_stack (); 1680 if ( YY_CURRENT_BUFFER == new_buffer ) 1681 return; 1682 1683 if ( YY_CURRENT_BUFFER ) 1684 { 1685 /* Flush out information for old buffer. */ 1686 *(yy_c_buf_p) = (yy_hold_char); 1687 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1688 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1689 } 1690 1691 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1692 yy_load_buffer_state( ); 1693 1694 /* We don't actually know whether we did this switch during 1695 * EOF (yywrap()) processing, but the only time this flag 1696 * is looked at is after yywrap() is called, so it's safe 1697 * to go ahead and always set it. 1698 */ 1699 (yy_did_buffer_switch_on_eof) = 1; 1700} 1701 1702static void yy_load_buffer_state (void) 1703{ 1704 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1705 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; 1706 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; 1707 (yy_hold_char) = *(yy_c_buf_p); 1708} 1709 1710/** Allocate and initialize an input buffer state. 1711 * @param file A readable stream. 1712 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. 1713 * 1714 * @return the allocated buffer state. 1715 */ 1716 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) 1717{ 1718 YY_BUFFER_STATE b; 1719 1720 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1721 if ( ! b ) 1722 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1723 1724 b->yy_buf_size = size; 1725 1726 /* yy_ch_buf has to be 2 characters longer than the size given because 1727 * we need to put in 2 end-of-buffer characters. 1728 */ 1729 b->yy_ch_buf = (char *) yyalloc((yy_size_t) (b->yy_buf_size + 2) ); 1730 if ( ! b->yy_ch_buf ) 1731 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1732 1733 b->yy_is_our_buffer = 1; 1734 1735 yy_init_buffer(b,file ); 1736 1737 return b; 1738} 1739 1740/** Destroy the buffer. 1741 * @param b a buffer created with yy_create_buffer() 1742 * 1743 */ 1744 void yy_delete_buffer (YY_BUFFER_STATE b ) 1745{ 1746 1747 if ( ! b ) 1748 return; 1749 1750 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ 1751 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; 1752 1753 if ( b->yy_is_our_buffer ) 1754 yyfree((void *) b->yy_ch_buf ); 1755 1756 yyfree((void *) b ); 1757} 1758 1759/* Initializes or reinitializes a buffer. 1760 * This function is sometimes called more than once on the same buffer, 1761 * such as during a yyrestart() or at EOF. 1762 */ 1763 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) 1764 1765{ 1766 int oerrno = errno; 1767 1768 yy_flush_buffer(b ); 1769 1770 b->yy_input_file = file; 1771 b->yy_fill_buffer = 1; 1772 1773 /* If b is the current buffer, then yy_init_buffer was _probably_ 1774 * called from yyrestart() or through yy_get_next_buffer. 1775 * In that case, we don't want to reset the lineno or column. 1776 */ 1777 if (b != YY_CURRENT_BUFFER){ 1778 b->yy_bs_lineno = 1; 1779 b->yy_bs_column = 0; 1780 } 1781 1782 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; 1783 1784 errno = oerrno; 1785} 1786 1787/** Discard all buffered characters. On the next scan, YY_INPUT will be called. 1788 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. 1789 * 1790 */ 1791 void yy_flush_buffer (YY_BUFFER_STATE b ) 1792{ 1793 if ( ! b ) 1794 return; 1795 1796 b->yy_n_chars = 0; 1797 1798 /* We always need two end-of-buffer characters. The first causes 1799 * a transition to the end-of-buffer state. The second causes 1800 * a jam in that state. 1801 */ 1802 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 1803 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 1804 1805 b->yy_buf_pos = &b->yy_ch_buf[0]; 1806 1807 b->yy_at_bol = 1; 1808 b->yy_buffer_status = YY_BUFFER_NEW; 1809 1810 if ( b == YY_CURRENT_BUFFER ) 1811 yy_load_buffer_state( ); 1812} 1813 1814/** Pushes the new state onto the stack. The new state becomes 1815 * the current state. This function will allocate the stack 1816 * if necessary. 1817 * @param new_buffer The new state. 1818 * 1819 */ 1820void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) 1821{ 1822 if (new_buffer == NULL) 1823 return; 1824 1825 yyensure_buffer_stack(); 1826 1827 /* This block is copied from yy_switch_to_buffer. */ 1828 if ( YY_CURRENT_BUFFER ) 1829 { 1830 /* Flush out information for old buffer. */ 1831 *(yy_c_buf_p) = (yy_hold_char); 1832 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1833 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1834 } 1835 1836 /* Only push if top exists. Otherwise, replace top. */ 1837 if (YY_CURRENT_BUFFER) 1838 (yy_buffer_stack_top)++; 1839 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1840 1841 /* copied from yy_switch_to_buffer. */ 1842 yy_load_buffer_state( ); 1843 (yy_did_buffer_switch_on_eof) = 1; 1844} 1845 1846/** Removes and deletes the top of the stack, if present. 1847 * The next element becomes the new top. 1848 * 1849 */ 1850void yypop_buffer_state (void) 1851{ 1852 if (!YY_CURRENT_BUFFER) 1853 return; 1854 1855 yy_delete_buffer(YY_CURRENT_BUFFER ); 1856 YY_CURRENT_BUFFER_LVALUE = NULL; 1857 if ((yy_buffer_stack_top) > 0) 1858 --(yy_buffer_stack_top); 1859 1860 if (YY_CURRENT_BUFFER) { 1861 yy_load_buffer_state( ); 1862 (yy_did_buffer_switch_on_eof) = 1; 1863 } 1864} 1865 1866/* Allocates the stack if it does not exist. 1867 * Guarantees space for at least one push. 1868 */ 1869static void yyensure_buffer_stack (void) 1870{ 1871 int num_to_alloc; 1872 1873 if (!(yy_buffer_stack)) { 1874 1875 /* First allocation is just for 2 elements, since we don't know if this 1876 * scanner will even need a stack. We use 2 instead of 1 to avoid an 1877 * immediate realloc on the next call. 1878 */ 1879 num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */ 1880 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc 1881 (num_to_alloc * sizeof(struct yy_buffer_state*) 1882 ); 1883 if ( ! (yy_buffer_stack) ) 1884 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1885 1886 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 1887 1888 (yy_buffer_stack_max) = num_to_alloc; 1889 (yy_buffer_stack_top) = 0; 1890 return; 1891 } 1892 1893 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ 1894 1895 /* Increase the buffer to prepare for a possible push. */ 1896 yy_size_t grow_size = 8 /* arbitrary grow size */; 1897 1898 num_to_alloc = (yy_buffer_stack_max) + grow_size; 1899 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc 1900 ((yy_buffer_stack), 1901 num_to_alloc * sizeof(struct yy_buffer_state*) 1902 ); 1903 if ( ! (yy_buffer_stack) ) 1904 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1905 1906 /* zero only the new slots.*/ 1907 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); 1908 (yy_buffer_stack_max) = num_to_alloc; 1909 } 1910} 1911 1912/** Setup the input buffer state to scan directly from a user-specified character buffer. 1913 * @param base the character buffer 1914 * @param size the size in bytes of the character buffer 1915 * 1916 * @return the newly allocated buffer state object. 1917 */ 1918YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) 1919{ 1920 YY_BUFFER_STATE b; 1921 1922 if ( size < 2 || 1923 base[size-2] != YY_END_OF_BUFFER_CHAR || 1924 base[size-1] != YY_END_OF_BUFFER_CHAR ) 1925 /* They forgot to leave room for the EOB's. */ 1926 return NULL; 1927 1928 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1929 if ( ! b ) 1930 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); 1931 1932 b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */ 1933 b->yy_buf_pos = b->yy_ch_buf = base; 1934 b->yy_is_our_buffer = 0; 1935 b->yy_input_file = NULL; 1936 b->yy_n_chars = b->yy_buf_size; 1937 b->yy_is_interactive = 0; 1938 b->yy_at_bol = 1; 1939 b->yy_fill_buffer = 0; 1940 b->yy_buffer_status = YY_BUFFER_NEW; 1941 1942 yy_switch_to_buffer(b ); 1943 1944 return b; 1945} 1946 1947/** Setup the input buffer state to scan a string. The next call to yylex() will 1948 * scan from a @e copy of @a str. 1949 * @param yystr a NUL-terminated string to scan 1950 * 1951 * @return the newly allocated buffer state object. 1952 * @note If you want to scan bytes that may contain NUL values, then use 1953 * yy_scan_bytes() instead. 1954 */ 1955YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) 1956{ 1957 1958 return yy_scan_bytes(yystr,(int) strlen(yystr) ); 1959} 1960 1961/** Setup the input buffer state to scan the given bytes. The next call to yylex() will 1962 * scan from a @e copy of @a bytes. 1963 * @param yybytes the byte buffer to scan 1964 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. 1965 * 1966 * @return the newly allocated buffer state object. 1967 */ 1968YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) 1969{ 1970 YY_BUFFER_STATE b; 1971 char *buf; 1972 yy_size_t n; 1973 int i; 1974 1975 /* Get memory for full buffer, including space for trailing EOB's. */ 1976 n = (yy_size_t) (_yybytes_len + 2); 1977 buf = (char *) yyalloc(n ); 1978 if ( ! buf ) 1979 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); 1980 1981 for ( i = 0; i < _yybytes_len; ++i ) 1982 buf[i] = yybytes[i]; 1983 1984 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; 1985 1986 b = yy_scan_buffer(buf,n ); 1987 if ( ! b ) 1988 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); 1989 1990 /* It's okay to grow etc. this buffer, and we should throw it 1991 * away when we're done. 1992 */ 1993 b->yy_is_our_buffer = 1; 1994 1995 return b; 1996} 1997 1998#ifndef YY_EXIT_FAILURE 1999#define YY_EXIT_FAILURE 2 2000#endif 2001 2002static void yynoreturn yy_fatal_error (yyconst char* msg ) 2003{ 2004 (void) fprintf( stderr, "%s\n", msg ); 2005 exit( YY_EXIT_FAILURE ); 2006} 2007 2008/* Redefine yyless() so it works in section 3 code. */ 2009 2010#undef yyless 2011#define yyless(n) \ 2012 do \ 2013 { \ 2014 /* Undo effects of setting up yytext. */ \ 2015 yy_size_t yyless_macro_arg = (n); \ 2016 YY_LESS_LINENO(yyless_macro_arg);\ 2017 yytext[yyleng] = (yy_hold_char); \ 2018 (yy_c_buf_p) = yytext + yyless_macro_arg; \ 2019 (yy_hold_char) = *(yy_c_buf_p); \ 2020 *(yy_c_buf_p) = '\0'; \ 2021 yyleng = yyless_macro_arg; \ 2022 } \ 2023 while ( 0 ) 2024 2025/* Accessor methods (get/set functions) to struct members. */ 2026 2027/** Get the current line number. 2028 * 2029 */ 2030int yyget_lineno (void) 2031{ 2032 2033 return yylineno; 2034} 2035 2036/** Get the input stream. 2037 * 2038 */ 2039FILE *yyget_in (void) 2040{ 2041 return yyin; 2042} 2043 2044/** Get the output stream. 2045 * 2046 */ 2047FILE *yyget_out (void) 2048{ 2049 return yyout; 2050} 2051 2052/** Get the length of the current token. 2053 * 2054 */ 2055int yyget_leng (void) 2056{ 2057 return yyleng; 2058} 2059 2060/** Get the current token. 2061 * 2062 */ 2063 2064char *yyget_text (void) 2065{ 2066 return yytext; 2067} 2068 2069/** Set the current line number. 2070 * @param _line_number line number 2071 * 2072 */ 2073void yyset_lineno (int _line_number ) 2074{ 2075 2076 yylineno = _line_number; 2077} 2078 2079/** Set the input stream. This does not discard the current 2080 * input buffer. 2081 * @param _in_str A readable stream. 2082 * 2083 * @see yy_switch_to_buffer 2084 */ 2085void yyset_in (FILE * _in_str ) 2086{ 2087 yyin = _in_str ; 2088} 2089 2090void yyset_out (FILE * _out_str ) 2091{ 2092 yyout = _out_str ; 2093} 2094 2095int yyget_debug (void) 2096{ 2097 return yy_flex_debug; 2098} 2099 2100void yyset_debug (int _bdebug ) 2101{ 2102 yy_flex_debug = _bdebug ; 2103} 2104 2105static int yy_init_globals (void) 2106{ 2107 /* Initialization is the same as for the non-reentrant scanner. 2108 * This function is called from yylex_destroy(), so don't allocate here. 2109 */ 2110 2111 (yy_buffer_stack) = NULL; 2112 (yy_buffer_stack_top) = 0; 2113 (yy_buffer_stack_max) = 0; 2114 (yy_c_buf_p) = NULL; 2115 (yy_init) = 0; 2116 (yy_start) = 0; 2117 2118/* Defined in main.c */ 2119#ifdef YY_STDINIT 2120 yyin = stdin; 2121 yyout = stdout; 2122#else 2123 yyin = NULL; 2124 yyout = NULL; 2125#endif 2126 2127 /* For future reference: Set errno on error, since we are called by 2128 * yylex_init() 2129 */ 2130 return 0; 2131} 2132 2133/* yylex_destroy is for both reentrant and non-reentrant scanners. */ 2134int yylex_destroy (void) 2135{ 2136 2137 /* Pop the buffer stack, destroying each element. */ 2138 while(YY_CURRENT_BUFFER){ 2139 yy_delete_buffer(YY_CURRENT_BUFFER ); 2140 YY_CURRENT_BUFFER_LVALUE = NULL; 2141 yypop_buffer_state(); 2142 } 2143 2144 /* Destroy the stack itself. */ 2145 yyfree((yy_buffer_stack) ); 2146 (yy_buffer_stack) = NULL; 2147 2148 /* Reset the globals. This is important in a non-reentrant scanner so the next time 2149 * yylex() is called, initialization will occur. */ 2150 yy_init_globals( ); 2151 2152 return 0; 2153} 2154 2155/* 2156 * Internal utility routines. 2157 */ 2158 2159#ifndef yytext_ptr 2160static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) 2161{ 2162 2163 int i; 2164 for ( i = 0; i < n; ++i ) 2165 s1[i] = s2[i]; 2166} 2167#endif 2168 2169#ifdef YY_NEED_STRLEN 2170static int yy_flex_strlen (yyconst char * s ) 2171{ 2172 int n; 2173 for ( n = 0; s[n]; ++n ) 2174 ; 2175 2176 return n; 2177} 2178#endif 2179 2180void *yyalloc (yy_size_t size ) 2181{ 2182 return malloc(size); 2183} 2184 2185void *yyrealloc (void * ptr, yy_size_t size ) 2186{ 2187 2188 /* The cast to (char *) in the following accommodates both 2189 * implementations that use char* generic pointers, and those 2190 * that use void* generic pointers. It works with the latter 2191 * because both ANSI C and C++ allow castless assignment from 2192 * any pointer type to void*, and deal with argument conversions 2193 * as though doing an assignment. 2194 */ 2195 return realloc(ptr, size); 2196} 2197 2198void yyfree (void * ptr ) 2199{ 2200 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ 2201} 2202 2203#define YYTABLES_NAME "yytables" 2204 2205#line 327 "zlexer.lex" 2206 2207 2208 2209/* 2210 * Analyze "word" to see if it matches an RR type, possibly by using 2211 * the "TYPExxx" notation. If it matches, the corresponding token is 2212 * returned and the TYPE parameter is set to the RR type value. 2213 */ 2214static int 2215rrtype_to_token(const char *word, uint16_t *type) 2216{ 2217 uint16_t t = rrtype_from_string(word); 2218 if (t != 0) { 2219 rrtype_descriptor_type *entry = rrtype_descriptor_by_type(t); 2220 *type = t; 2221 return entry->token; 2222 } 2223 2224 return 0; 2225} 2226 2227 2228/* 2229 * Remove \DDD constructs from the input. See RFC 1035, section 5.1. 2230 */ 2231static size_t 2232zoctet(char *text) 2233{ 2234 /* 2235 * s follows the string, p lags behind and rebuilds the new 2236 * string 2237 */ 2238 char *s; 2239 char *p; 2240 2241 for (s = p = text; *s; ++s, ++p) { 2242 assert(p <= s); 2243 if (s[0] != '\\') { 2244 /* Ordinary character. */ 2245 *p = *s; 2246 } else if (isdigit((unsigned char)s[1]) && isdigit((unsigned char)s[2]) && isdigit((unsigned char)s[3])) { 2247 /* \DDD escape. */ 2248 int val = (hexdigit_to_int(s[1]) * 100 + 2249 hexdigit_to_int(s[2]) * 10 + 2250 hexdigit_to_int(s[3])); 2251 if (0 <= val && val <= 255) { 2252 s += 3; 2253 *p = val; 2254 } else { 2255 zc_warning("text escape \\DDD overflow"); 2256 *p = *++s; 2257 } 2258 } else if (s[1] != '\0') { 2259 /* \X where X is any character, keep X. */ 2260 *p = *++s; 2261 } else { 2262 /* Trailing backslash, ignore it. */ 2263 zc_warning("trailing backslash ignored"); 2264 --p; 2265 } 2266 } 2267 *p = '\0'; 2268 return p - text; 2269} 2270 2271static int 2272parse_token(int token, char *yytext, enum lexer_state *lexer_state) 2273{ 2274 size_t len; 2275 char *str; 2276 2277 if (*lexer_state == EXPECT_OWNER) { 2278 *lexer_state = PARSING_OWNER; 2279 } else if (*lexer_state == PARSING_TTL_CLASS_TYPE) { 2280 const char *t; 2281 int token; 2282 uint16_t rrclass; 2283 2284 /* type */ 2285 token = rrtype_to_token(yytext, &yylval.type); 2286 if (token != 0) { 2287 *lexer_state = PARSING_RDATA; 2288 LEXOUT(("%d[%s] ", token, yytext)); 2289 return token; 2290 } 2291 2292 /* class */ 2293 rrclass = rrclass_from_string(yytext); 2294 if (rrclass != 0) { 2295 yylval.klass = rrclass; 2296 LEXOUT(("CLASS ")); 2297 return T_RRCLASS; 2298 } 2299 2300 /* ttl */ 2301 yylval.ttl = strtottl(yytext, &t); 2302 if (*t == '\0') { 2303 LEXOUT(("TTL ")); 2304 return T_TTL; 2305 } 2306 } 2307 2308 str = region_strdup(parser->rr_region, yytext); 2309 len = zoctet(str); 2310 2311 yylval.data.str = str; 2312 yylval.data.len = len; 2313 2314 LEXOUT(("%d[%s] ", token, yytext)); 2315 return token; 2316} 2317 2318