1#line 2 "dtc-lexer.lex.c" 2 3#line 4 "dtc-lexer.lex.c" 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 5 12#define YY_FLEX_SUBMINOR_VERSION 35 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#ifdef __cplusplus 92 93/* The "const" storage-class-modifier is valid. */ 94#define YY_USE_CONST 95 96#else /* ! __cplusplus */ 97 98/* C99 requires __STDC__ to be defined as 1. */ 99#if defined (__STDC__) 100 101#define YY_USE_CONST 102 103#endif /* defined (__STDC__) */ 104#endif /* ! __cplusplus */ 105 106#ifdef YY_USE_CONST 107#define yyconst const 108#else 109#define yyconst 110#endif 111 112/* Returned upon end-of-file. */ 113#define YY_NULL 0 114 115/* Promotes a possibly negative, possibly signed char to an unsigned 116 * integer for use as an array index. If the signed char is negative, 117 * we want to instead treat it as an 8-bit unsigned char, hence the 118 * double cast. 119 */ 120#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) 121 122/* Enter a start condition. This macro really ought to take a parameter, 123 * but we do it the disgusting crufty way forced on us by the ()-less 124 * definition of BEGIN. 125 */ 126#define BEGIN (yy_start) = 1 + 2 * 127 128/* Translate the current start state into a value that can be later handed 129 * to BEGIN to return to the state. The YYSTATE alias is for lex 130 * compatibility. 131 */ 132#define YY_START (((yy_start) - 1) / 2) 133#define YYSTATE YY_START 134 135/* Action number for EOF rule of a given start state. */ 136#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) 137 138/* Special action meaning "start processing a new file". */ 139#define YY_NEW_FILE yyrestart(yyin ) 140 141#define YY_END_OF_BUFFER_CHAR 0 142 143/* Size of default input buffer. */ 144#ifndef YY_BUF_SIZE 145#ifdef __ia64__ 146/* On IA-64, the buffer size is 16k, not 8k. 147 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. 148 * Ditto for the __ia64__ case accordingly. 149 */ 150#define YY_BUF_SIZE 32768 151#else 152#define YY_BUF_SIZE 16384 153#endif /* __ia64__ */ 154#endif 155 156/* The state buf must be large enough to hold one state per character in the main buffer. 157 */ 158#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) 159 160#ifndef YY_TYPEDEF_YY_BUFFER_STATE 161#define YY_TYPEDEF_YY_BUFFER_STATE 162typedef struct yy_buffer_state *YY_BUFFER_STATE; 163#endif 164 165extern int yyleng; 166 167extern FILE *yyin, *yyout; 168 169#define EOB_ACT_CONTINUE_SCAN 0 170#define EOB_ACT_END_OF_FILE 1 171#define EOB_ACT_LAST_MATCH 2 172 173 #define YY_LESS_LINENO(n) 174 175/* Return all but the first "n" matched characters back to the input stream. */ 176#define yyless(n) \ 177 do \ 178 { \ 179 /* Undo effects of setting up yytext. */ \ 180 int yyless_macro_arg = (n); \ 181 YY_LESS_LINENO(yyless_macro_arg);\ 182 *yy_cp = (yy_hold_char); \ 183 YY_RESTORE_YY_MORE_OFFSET \ 184 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ 185 YY_DO_BEFORE_ACTION; /* set up yytext again */ \ 186 } \ 187 while ( 0 ) 188 189#define unput(c) yyunput( c, (yytext_ptr) ) 190 191#ifndef YY_TYPEDEF_YY_SIZE_T 192#define YY_TYPEDEF_YY_SIZE_T 193typedef size_t yy_size_t; 194#endif 195 196#ifndef YY_STRUCT_YY_BUFFER_STATE 197#define YY_STRUCT_YY_BUFFER_STATE 198struct yy_buffer_state 199 { 200 FILE *yy_input_file; 201 202 char *yy_ch_buf; /* input buffer */ 203 char *yy_buf_pos; /* current position in input buffer */ 204 205 /* Size of input buffer in bytes, not including room for EOB 206 * characters. 207 */ 208 yy_size_t yy_buf_size; 209 210 /* Number of characters read into yy_ch_buf, not including EOB 211 * characters. 212 */ 213 int yy_n_chars; 214 215 /* Whether we "own" the buffer - i.e., we know we created it, 216 * and can realloc() it to grow it, and should free() it to 217 * delete it. 218 */ 219 int yy_is_our_buffer; 220 221 /* Whether this is an "interactive" input source; if so, and 222 * if we're using stdio for input, then we want to use getc() 223 * instead of fread(), to make sure we stop fetching input after 224 * each newline. 225 */ 226 int yy_is_interactive; 227 228 /* Whether we're considered to be at the beginning of a line. 229 * If so, '^' rules will be active on the next match, otherwise 230 * not. 231 */ 232 int yy_at_bol; 233 234 int yy_bs_lineno; /**< The line count. */ 235 int yy_bs_column; /**< The column count. */ 236 237 /* Whether to try to fill the input buffer when we reach the 238 * end of it. 239 */ 240 int yy_fill_buffer; 241 242 int yy_buffer_status; 243 244#define YY_BUFFER_NEW 0 245#define YY_BUFFER_NORMAL 1 246 /* When an EOF's been seen but there's still some text to process 247 * then we mark the buffer as YY_EOF_PENDING, to indicate that we 248 * shouldn't try reading from the input source any more. We might 249 * still have a bunch of tokens to match, though, because of 250 * possible backing-up. 251 * 252 * When we actually see the EOF, we change the status to "new" 253 * (via yyrestart()), so that the user can continue scanning by 254 * just pointing yyin at a new input file. 255 */ 256#define YY_BUFFER_EOF_PENDING 2 257 258 }; 259#endif /* !YY_STRUCT_YY_BUFFER_STATE */ 260 261/* Stack of input buffers. */ 262static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ 263static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ 264static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ 265 266/* We provide macros for accessing buffer states in case in the 267 * future we want to put the buffer states in a more general 268 * "scanner state". 269 * 270 * Returns the top of the stack, or NULL. 271 */ 272#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ 273 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ 274 : NULL) 275 276/* Same as previous macro, but useful when we know that the buffer stack is not 277 * NULL or when we need an lvalue. For internal use only. 278 */ 279#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] 280 281/* yy_hold_char holds the character lost when yytext is formed. */ 282static char yy_hold_char; 283static int yy_n_chars; /* number of characters read into yy_ch_buf */ 284int yyleng; 285 286/* Points to current character in buffer. */ 287static char *yy_c_buf_p = (char *) 0; 288static int yy_init = 0; /* whether we need to initialize */ 289static int yy_start = 0; /* start state number */ 290 291/* Flag which is used to allow yywrap()'s to do buffer switches 292 * instead of setting up a fresh yyin. A bit of a hack ... 293 */ 294static int yy_did_buffer_switch_on_eof; 295 296void yyrestart (FILE *input_file ); 297void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); 298YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); 299void yy_delete_buffer (YY_BUFFER_STATE b ); 300void yy_flush_buffer (YY_BUFFER_STATE b ); 301void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); 302void yypop_buffer_state (void ); 303 304static void yyensure_buffer_stack (void ); 305static void yy_load_buffer_state (void ); 306static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); 307 308#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) 309 310YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); 311YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); 312YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); 313 314void *yyalloc (yy_size_t ); 315void *yyrealloc (void *,yy_size_t ); 316void yyfree (void * ); 317 318#define yy_new_buffer yy_create_buffer 319 320#define yy_set_interactive(is_interactive) \ 321 { \ 322 if ( ! YY_CURRENT_BUFFER ){ \ 323 yyensure_buffer_stack (); \ 324 YY_CURRENT_BUFFER_LVALUE = \ 325 yy_create_buffer(yyin,YY_BUF_SIZE ); \ 326 } \ 327 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ 328 } 329 330#define yy_set_bol(at_bol) \ 331 { \ 332 if ( ! YY_CURRENT_BUFFER ){\ 333 yyensure_buffer_stack (); \ 334 YY_CURRENT_BUFFER_LVALUE = \ 335 yy_create_buffer(yyin,YY_BUF_SIZE ); \ 336 } \ 337 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ 338 } 339 340#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) 341 342/* Begin user sect3 */ 343 344#define yywrap(n) 1 345#define YY_SKIP_YYWRAP 346 347typedef unsigned char YY_CHAR; 348 349FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; 350 351typedef int yy_state_type; 352 353extern int yylineno; 354 355int yylineno = 1; 356 357extern char *yytext; 358#define yytext_ptr yytext 359 360static yy_state_type yy_get_previous_state (void ); 361static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); 362static int yy_get_next_buffer (void ); 363static void yy_fatal_error (yyconst char msg[] ); 364 365/* Done after the current pattern has been matched and before the 366 * corresponding action - sets up yytext. 367 */ 368#define YY_DO_BEFORE_ACTION \ 369 (yytext_ptr) = yy_bp; \ 370 yyleng = (size_t) (yy_cp - yy_bp); \ 371 (yy_hold_char) = *yy_cp; \ 372 *yy_cp = '\0'; \ 373 (yy_c_buf_p) = yy_cp; 374 375#define YY_NUM_RULES 31 376#define YY_END_OF_BUFFER 32 377/* This struct is not used in this scanner, 378 but its presence is necessary. */ 379struct yy_trans_info 380 { 381 flex_int32_t yy_verify; 382 flex_int32_t yy_nxt; 383 }; 384static yyconst flex_int16_t yy_accept[166] = 385 { 0, 386 0, 0, 0, 0, 0, 0, 0, 0, 32, 30, 387 19, 19, 30, 30, 30, 30, 30, 30, 30, 30, 388 30, 30, 30, 30, 30, 30, 16, 17, 17, 30, 389 17, 11, 11, 19, 27, 0, 3, 0, 28, 13, 390 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 391 0, 22, 24, 26, 25, 23, 0, 10, 29, 0, 392 0, 0, 15, 15, 17, 17, 17, 11, 11, 11, 393 0, 13, 0, 12, 0, 0, 0, 21, 0, 0, 394 0, 0, 0, 0, 0, 0, 0, 17, 11, 11, 395 11, 0, 14, 20, 0, 0, 0, 0, 0, 0, 396 397 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 398 0, 0, 0, 0, 0, 17, 7, 0, 0, 0, 399 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 400 0, 0, 0, 0, 4, 18, 0, 0, 5, 2, 401 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 402 0, 0, 1, 0, 0, 0, 0, 6, 9, 0, 403 0, 0, 0, 8, 0 404 } ; 405 406static yyconst flex_int32_t yy_ec[256] = 407 { 0, 408 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 409 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 410 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 411 1, 2, 5, 6, 7, 1, 1, 8, 9, 1, 412 1, 10, 11, 11, 12, 11, 13, 14, 15, 16, 413 16, 16, 16, 16, 16, 16, 16, 17, 1, 18, 414 19, 20, 11, 11, 21, 21, 21, 21, 21, 21, 415 22, 22, 22, 22, 22, 23, 22, 22, 22, 22, 416 22, 22, 22, 22, 24, 22, 22, 25, 22, 22, 417 1, 26, 27, 1, 22, 1, 21, 28, 29, 30, 418 419 31, 21, 32, 22, 33, 22, 22, 34, 35, 36, 420 37, 38, 22, 39, 40, 41, 42, 43, 22, 25, 421 44, 22, 45, 46, 47, 1, 1, 1, 1, 1, 422 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 423 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 424 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 425 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 426 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 427 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 428 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 429 430 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 431 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 432 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 433 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 434 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 435 1, 1, 1, 1, 1 436 } ; 437 438static yyconst flex_int32_t yy_meta[48] = 439 { 0, 440 1, 1, 1, 1, 1, 1, 2, 3, 1, 2, 441 2, 2, 4, 5, 5, 5, 6, 1, 1, 1, 442 7, 8, 8, 8, 8, 1, 1, 7, 7, 7, 443 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 444 8, 8, 8, 8, 3, 1, 4 445 } ; 446 447static yyconst flex_int16_t yy_base[180] = 448 { 0, 449 0, 393, 35, 392, 66, 391, 38, 107, 397, 401, 450 55, 113, 377, 112, 111, 111, 114, 42, 376, 106, 451 377, 347, 126, 120, 0, 147, 401, 0, 124, 0, 452 137, 158, 170, 163, 401, 153, 401, 389, 401, 0, 453 378, 120, 401, 131, 380, 386, 355, 139, 351, 355, 454 351, 401, 401, 401, 401, 401, 367, 401, 401, 185, 455 350, 346, 401, 364, 0, 185, 347, 189, 356, 355, 456 0, 0, 330, 180, 366, 141, 372, 361, 332, 338, 457 331, 341, 334, 326, 205, 331, 337, 329, 401, 341, 458 167, 316, 401, 349, 348, 320, 328, 346, 180, 318, 459 460 324, 209, 324, 320, 322, 342, 338, 309, 306, 315, 461 305, 315, 312, 192, 342, 341, 401, 293, 306, 282, 462 268, 252, 255, 203, 285, 282, 272, 268, 252, 233, 463 232, 239, 208, 107, 401, 401, 238, 211, 401, 211, 464 212, 208, 228, 203, 215, 207, 233, 222, 212, 211, 465 203, 227, 401, 237, 225, 204, 185, 401, 401, 149, 466 128, 88, 42, 401, 401, 253, 259, 267, 271, 275, 467 281, 288, 292, 300, 308, 312, 318, 326, 334 468 } ; 469 470static yyconst flex_int16_t yy_def[180] = 471 { 0, 472 165, 1, 1, 3, 165, 5, 1, 1, 165, 165, 473 165, 165, 165, 166, 167, 168, 165, 165, 165, 165, 474 169, 165, 165, 165, 170, 169, 165, 171, 172, 171, 475 171, 165, 165, 165, 165, 166, 165, 166, 165, 173, 476 165, 168, 165, 168, 174, 175, 165, 165, 165, 165, 477 165, 165, 165, 165, 165, 165, 169, 165, 165, 165, 478 165, 165, 165, 169, 171, 172, 171, 165, 165, 165, 479 176, 173, 177, 168, 174, 174, 175, 165, 165, 165, 480 165, 165, 165, 165, 165, 165, 165, 171, 165, 165, 481 176, 177, 165, 165, 165, 165, 165, 165, 165, 165, 482 483 165, 165, 165, 165, 171, 165, 165, 165, 165, 165, 484 165, 165, 165, 178, 165, 171, 165, 165, 165, 165, 485 165, 165, 165, 178, 165, 178, 165, 165, 165, 165, 486 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 487 165, 165, 165, 165, 165, 165, 165, 179, 165, 165, 488 165, 179, 165, 179, 165, 165, 165, 165, 165, 165, 489 165, 165, 165, 165, 0, 165, 165, 165, 165, 165, 490 165, 165, 165, 165, 165, 165, 165, 165, 165 491 } ; 492 493static yyconst flex_int16_t yy_nxt[449] = 494 { 0, 495 10, 11, 12, 11, 13, 14, 10, 15, 16, 10, 496 10, 10, 17, 10, 10, 10, 10, 18, 19, 20, 497 21, 21, 21, 21, 21, 10, 10, 21, 21, 21, 498 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 499 21, 21, 21, 21, 10, 22, 10, 24, 25, 25, 500 25, 32, 33, 33, 164, 26, 34, 34, 34, 52, 501 53, 27, 26, 26, 26, 26, 10, 11, 12, 11, 502 13, 14, 28, 15, 16, 28, 28, 28, 24, 28, 503 28, 28, 10, 18, 19, 20, 29, 29, 29, 29, 504 29, 30, 10, 29, 29, 29, 29, 29, 29, 29, 505 506 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 507 10, 22, 10, 23, 34, 34, 34, 37, 39, 43, 508 32, 33, 33, 45, 55, 56, 46, 60, 43, 45, 509 65, 163, 46, 65, 65, 65, 44, 38, 60, 74, 510 58, 47, 141, 48, 142, 44, 49, 47, 50, 48, 511 76, 51, 62, 94, 50, 41, 44, 51, 37, 61, 512 64, 64, 64, 58, 34, 34, 34, 64, 162, 80, 513 67, 68, 68, 68, 64, 64, 64, 64, 38, 81, 514 69, 70, 71, 68, 68, 68, 60, 161, 43, 69, 515 70, 65, 69, 70, 65, 65, 65, 125, 85, 85, 516 517 85, 58, 68, 68, 68, 44, 102, 110, 125, 133, 518 102, 69, 70, 111, 114, 160, 159, 126, 85, 85, 519 85, 140, 140, 140, 140, 140, 140, 153, 126, 147, 520 147, 147, 153, 148, 147, 147, 147, 158, 148, 165, 521 157, 156, 155, 151, 150, 149, 146, 154, 145, 144, 522 143, 139, 154, 36, 36, 36, 36, 36, 36, 36, 523 36, 40, 138, 137, 136, 40, 40, 42, 42, 42, 524 42, 42, 42, 42, 42, 57, 57, 57, 57, 63, 525 135, 63, 65, 134, 165, 65, 133, 65, 65, 66, 526 132, 131, 66, 66, 66, 66, 72, 130, 72, 72, 527 528 75, 75, 75, 75, 75, 75, 75, 75, 77, 77, 529 77, 77, 77, 77, 77, 77, 91, 129, 91, 92, 530 128, 92, 92, 127, 92, 92, 124, 124, 124, 124, 531 124, 124, 124, 124, 152, 152, 152, 152, 152, 152, 532 152, 152, 60, 60, 123, 122, 121, 120, 119, 118, 533 117, 45, 116, 111, 115, 113, 112, 109, 108, 107, 534 46, 106, 93, 89, 105, 104, 103, 101, 100, 99, 535 98, 97, 96, 95, 78, 76, 93, 90, 89, 88, 536 58, 87, 86, 58, 84, 83, 82, 79, 78, 76, 537 73, 165, 59, 58, 54, 35, 165, 31, 23, 23, 538 539 9, 165, 165, 165, 165, 165, 165, 165, 165, 165, 540 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 541 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 542 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 543 165, 165, 165, 165, 165, 165, 165, 165 544 } ; 545 546static yyconst flex_int16_t yy_chk[449] = 547 { 0, 548 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 549 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 550 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 551 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 552 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 553 3, 7, 7, 7, 163, 3, 11, 11, 11, 18, 554 18, 3, 3, 3, 3, 3, 5, 5, 5, 5, 555 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 556 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 557 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 558 559 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 560 5, 5, 5, 8, 12, 12, 12, 14, 15, 16, 561 8, 8, 8, 17, 20, 20, 17, 23, 42, 24, 562 29, 162, 24, 29, 29, 29, 16, 14, 31, 44, 563 29, 17, 134, 17, 134, 42, 17, 24, 17, 24, 564 76, 17, 24, 76, 24, 15, 44, 24, 36, 23, 565 26, 26, 26, 26, 34, 34, 34, 26, 161, 48, 566 31, 32, 32, 32, 26, 26, 26, 26, 36, 48, 567 32, 32, 32, 33, 33, 33, 60, 160, 74, 91, 568 91, 66, 33, 33, 66, 66, 66, 114, 60, 60, 569 570 60, 66, 68, 68, 68, 74, 85, 99, 124, 133, 571 102, 68, 68, 99, 102, 157, 156, 114, 85, 85, 572 85, 133, 133, 133, 140, 140, 140, 148, 124, 143, 573 143, 143, 152, 143, 147, 147, 147, 155, 147, 154, 574 151, 150, 149, 146, 145, 144, 142, 148, 141, 138, 575 137, 132, 152, 166, 166, 166, 166, 166, 166, 166, 576 166, 167, 131, 130, 129, 167, 167, 168, 168, 168, 577 168, 168, 168, 168, 168, 169, 169, 169, 169, 170, 578 128, 170, 171, 127, 126, 171, 125, 171, 171, 172, 579 123, 122, 172, 172, 172, 172, 173, 121, 173, 173, 580 581 174, 174, 174, 174, 174, 174, 174, 174, 175, 175, 582 175, 175, 175, 175, 175, 175, 176, 120, 176, 177, 583 119, 177, 177, 118, 177, 177, 178, 178, 178, 178, 584 178, 178, 178, 178, 179, 179, 179, 179, 179, 179, 585 179, 179, 116, 115, 113, 112, 111, 110, 109, 108, 586 107, 106, 105, 104, 103, 101, 100, 98, 97, 96, 587 95, 94, 92, 90, 88, 87, 86, 84, 83, 82, 588 81, 80, 79, 78, 77, 75, 73, 70, 69, 67, 589 64, 62, 61, 57, 51, 50, 49, 47, 46, 45, 590 41, 38, 22, 21, 19, 13, 9, 6, 4, 2, 591 592 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 593 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 594 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 595 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 596 165, 165, 165, 165, 165, 165, 165, 165 597 } ; 598 599static yy_state_type yy_last_accepting_state; 600static char *yy_last_accepting_cpos; 601 602extern int yy_flex_debug; 603int yy_flex_debug = 0; 604 605/* The intent behind this definition is that it'll catch 606 * any uses of REJECT which flex missed. 607 */ 608#define REJECT reject_used_but_not_detected 609#define yymore() yymore_used_but_not_detected 610#define YY_MORE_ADJ 0 611#define YY_RESTORE_YY_MORE_OFFSET 612char *yytext; 613#line 1 "dtc-lexer.l" 614/* 615 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. 616 * 617 * 618 * This program is free software; you can redistribute it and/or 619 * modify it under the terms of the GNU General Public License as 620 * published by the Free Software Foundation; either version 2 of the 621 * License, or (at your option) any later version. 622 * 623 * This program is distributed in the hope that it will be useful, 624 * but WITHOUT ANY WARRANTY; without even the implied warranty of 625 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 626 * General Public License for more details. 627 * 628 * You should have received a copy of the GNU General Public License 629 * along with this program; if not, write to the Free Software 630 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 631 * USA 632 */ 633#define YY_NO_INPUT 1 634 635 636 637#line 37 "dtc-lexer.l" 638#include "dtc.h" 639#include "srcpos.h" 640#include "dtc-parser.tab.h" 641 642YYLTYPE yylloc; 643extern bool treesource_error; 644 645/* CAUTION: this will stop working if we ever use yyless() or yyunput() */ 646#define YY_USER_ACTION \ 647 { \ 648 srcpos_update(&yylloc, yytext, yyleng); \ 649 } 650 651/*#define LEXDEBUG 1*/ 652 653#ifdef LEXDEBUG 654#define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__) 655#else 656#define DPRINT(fmt, ...) do { } while (0) 657#endif 658 659static int dts_version = 1; 660 661#define BEGIN_DEFAULT() DPRINT("<V1>\n"); \ 662 BEGIN(V1); \ 663 664static void push_input_file(const char *filename); 665static bool pop_input_file(void); 666#ifdef __GNUC__ 667static void lexical_error(const char *fmt, ...) 668 __attribute__((format (printf, 1, 2))); 669#else 670static void lexical_error(const char *fmt, ...); 671#endif 672 673#line 674 "dtc-lexer.lex.c" 674 675#define INITIAL 0 676#define BYTESTRING 1 677#define PROPNODENAME 2 678#define V1 3 679 680#ifndef YY_NO_UNISTD_H 681/* Special case for "unistd.h", since it is non-ANSI. We include it way 682 * down here because we want the user's section 1 to have been scanned first. 683 * The user has a chance to override it with an option. 684 */ 685#include <unistd.h> 686#endif 687 688#ifndef YY_EXTRA_TYPE 689#define YY_EXTRA_TYPE void * 690#endif 691 692static int yy_init_globals (void ); 693 694/* Accessor methods to globals. 695 These are made visible to non-reentrant scanners for convenience. */ 696 697int yylex_destroy (void ); 698 699int yyget_debug (void ); 700 701void yyset_debug (int debug_flag ); 702 703YY_EXTRA_TYPE yyget_extra (void ); 704 705void yyset_extra (YY_EXTRA_TYPE user_defined ); 706 707FILE *yyget_in (void ); 708 709void yyset_in (FILE * in_str ); 710 711FILE *yyget_out (void ); 712 713void yyset_out (FILE * out_str ); 714 715int yyget_leng (void ); 716 717char *yyget_text (void ); 718 719int yyget_lineno (void ); 720 721void yyset_lineno (int line_number ); 722 723/* Macros after this point can all be overridden by user definitions in 724 * section 1. 725 */ 726 727#ifndef YY_SKIP_YYWRAP 728#ifdef __cplusplus 729extern "C" int yywrap (void ); 730#else 731extern int yywrap (void ); 732#endif 733#endif 734 735#ifndef yytext_ptr 736static void yy_flex_strncpy (char *,yyconst char *,int ); 737#endif 738 739#ifdef YY_NEED_STRLEN 740static int yy_flex_strlen (yyconst char * ); 741#endif 742 743#ifndef YY_NO_INPUT 744 745#ifdef __cplusplus 746static int yyinput (void ); 747#else 748static int input (void ); 749#endif 750 751#endif 752 753/* Amount of stuff to slurp up with each read. */ 754#ifndef YY_READ_BUF_SIZE 755#ifdef __ia64__ 756/* On IA-64, the buffer size is 16k, not 8k */ 757#define YY_READ_BUF_SIZE 16384 758#else 759#define YY_READ_BUF_SIZE 8192 760#endif /* __ia64__ */ 761#endif 762 763/* Copy whatever the last rule matched to the standard output. */ 764#ifndef ECHO 765/* This used to be an fputs(), but since the string might contain NUL's, 766 * we now use fwrite(). 767 */ 768#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) 769#endif 770 771/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, 772 * is returned in "result". 773 */ 774#ifndef YY_INPUT 775#define YY_INPUT(buf,result,max_size) \ 776 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ 777 { \ 778 int c = '*'; \ 779 size_t n; \ 780 for ( n = 0; n < max_size && \ 781 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ 782 buf[n] = (char) c; \ 783 if ( c == '\n' ) \ 784 buf[n++] = (char) c; \ 785 if ( c == EOF && ferror( yyin ) ) \ 786 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 787 result = n; \ 788 } \ 789 else \ 790 { \ 791 errno=0; \ 792 while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ 793 { \ 794 if( errno != EINTR) \ 795 { \ 796 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 797 break; \ 798 } \ 799 errno=0; \ 800 clearerr(yyin); \ 801 } \ 802 }\ 803\ 804 805#endif 806 807/* No semi-colon after return; correct usage is to write "yyterminate();" - 808 * we don't want an extra ';' after the "return" because that will cause 809 * some compilers to complain about unreachable statements. 810 */ 811#ifndef yyterminate 812#define yyterminate() return YY_NULL 813#endif 814 815/* Number of entries by which start-condition stack grows. */ 816#ifndef YY_START_STACK_INCR 817#define YY_START_STACK_INCR 25 818#endif 819 820/* Report a fatal error. */ 821#ifndef YY_FATAL_ERROR 822#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) 823#endif 824 825/* end tables serialization structures and prototypes */ 826 827/* Default declaration of generated scanner - a define so the user can 828 * easily add parameters. 829 */ 830#ifndef YY_DECL 831#define YY_DECL_IS_OURS 1 832 833extern int yylex (void); 834 835#define YY_DECL int yylex (void) 836#endif /* !YY_DECL */ 837 838/* Code executed at the beginning of each rule, after yytext and yyleng 839 * have been set up. 840 */ 841#ifndef YY_USER_ACTION 842#define YY_USER_ACTION 843#endif 844 845/* Code executed at the end of each rule. */ 846#ifndef YY_BREAK 847#define YY_BREAK break; 848#endif 849 850#define YY_RULE_SETUP \ 851 if ( yyleng > 0 ) \ 852 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ 853 (yytext[yyleng - 1] == '\n'); \ 854 YY_USER_ACTION 855 856/** The main scanner function which does all the work. 857 */ 858YY_DECL 859{ 860 register yy_state_type yy_current_state; 861 register char *yy_cp, *yy_bp; 862 register int yy_act; 863 864#line 74 "dtc-lexer.l" 865 866#line 867 "dtc-lexer.lex.c" 867 868 if ( !(yy_init) ) 869 { 870 (yy_init) = 1; 871 872#ifdef YY_USER_INIT 873 YY_USER_INIT; 874#endif 875 876 if ( ! (yy_start) ) 877 (yy_start) = 1; /* first start state */ 878 879 if ( ! yyin ) 880 yyin = stdin; 881 882 if ( ! yyout ) 883 yyout = stdout; 884 885 if ( ! YY_CURRENT_BUFFER ) { 886 yyensure_buffer_stack (); 887 YY_CURRENT_BUFFER_LVALUE = 888 yy_create_buffer(yyin,YY_BUF_SIZE ); 889 } 890 891 yy_load_buffer_state( ); 892 } 893 894 while ( 1 ) /* loops until end-of-file is reached */ 895 { 896 yy_cp = (yy_c_buf_p); 897 898 /* Support of yytext. */ 899 *yy_cp = (yy_hold_char); 900 901 /* yy_bp points to the position in yy_ch_buf of the start of 902 * the current run. 903 */ 904 yy_bp = yy_cp; 905 906 yy_current_state = (yy_start); 907 yy_current_state += YY_AT_BOL(); 908yy_match: 909 do 910 { 911 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; 912 if ( yy_accept[yy_current_state] ) 913 { 914 (yy_last_accepting_state) = yy_current_state; 915 (yy_last_accepting_cpos) = yy_cp; 916 } 917 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 918 { 919 yy_current_state = (int) yy_def[yy_current_state]; 920 if ( yy_current_state >= 166 ) 921 yy_c = yy_meta[(unsigned int) yy_c]; 922 } 923 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; 924 ++yy_cp; 925 } 926 while ( yy_current_state != 165 ); 927 yy_cp = (yy_last_accepting_cpos); 928 yy_current_state = (yy_last_accepting_state); 929 930yy_find_action: 931 yy_act = yy_accept[yy_current_state]; 932 933 YY_DO_BEFORE_ACTION; 934 935do_action: /* This label is used only to access EOF actions. */ 936 937 switch ( yy_act ) 938 { /* beginning of action switch */ 939 case 0: /* must back up */ 940 /* undo the effects of YY_DO_BEFORE_ACTION */ 941 *yy_cp = (yy_hold_char); 942 yy_cp = (yy_last_accepting_cpos); 943 yy_current_state = (yy_last_accepting_state); 944 goto yy_find_action; 945 946case 1: 947/* rule 1 can match eol */ 948YY_RULE_SETUP 949#line 75 "dtc-lexer.l" 950{ 951 char *name = strchr(yytext, '\"') + 1; 952 yytext[yyleng-1] = '\0'; 953 push_input_file(name); 954 } 955 YY_BREAK 956case 2: 957/* rule 2 can match eol */ 958YY_RULE_SETUP 959#line 81 "dtc-lexer.l" 960{ 961 char *line, *fnstart, *fnend; 962 struct data fn; 963 /* skip text before line # */ 964 line = yytext; 965 while (!isdigit((unsigned char)*line)) 966 line++; 967 968 /* regexp ensures that first and list " 969 * in the whole yytext are those at 970 * beginning and end of the filename string */ 971 fnstart = memchr(yytext, '"', yyleng); 972 for (fnend = yytext + yyleng - 1; 973 *fnend != '"'; fnend--) 974 ; 975 assert(fnstart && fnend && (fnend > fnstart)); 976 977 fn = data_copy_escape_string(fnstart + 1, 978 fnend - fnstart - 1); 979 980 /* Don't allow nuls in filenames */ 981 if (memchr(fn.val, '\0', fn.len - 1)) 982 lexical_error("nul in line number directive"); 983 984 /* -1 since #line is the number of the next line */ 985 srcpos_set_line(xstrdup(fn.val), atoi(line) - 1); 986 data_free(fn); 987 } 988 YY_BREAK 989case YY_STATE_EOF(INITIAL): 990case YY_STATE_EOF(BYTESTRING): 991case YY_STATE_EOF(PROPNODENAME): 992case YY_STATE_EOF(V1): 993#line 110 "dtc-lexer.l" 994{ 995 if (!pop_input_file()) { 996 yyterminate(); 997 } 998 } 999 YY_BREAK 1000case 3: 1001/* rule 3 can match eol */ 1002YY_RULE_SETUP 1003#line 116 "dtc-lexer.l" 1004{ 1005 DPRINT("String: %s\n", yytext); 1006 yylval.data = data_copy_escape_string(yytext+1, 1007 yyleng-2); 1008 return DT_STRING; 1009 } 1010 YY_BREAK 1011case 4: 1012YY_RULE_SETUP 1013#line 123 "dtc-lexer.l" 1014{ 1015 DPRINT("Keyword: /dts-v1/\n"); 1016 dts_version = 1; 1017 BEGIN_DEFAULT(); 1018 return DT_V1; 1019 } 1020 YY_BREAK 1021case 5: 1022YY_RULE_SETUP 1023#line 130 "dtc-lexer.l" 1024{ 1025 DPRINT("Keyword: /plugin/\n"); 1026 return DT_PLUGIN; 1027 } 1028 YY_BREAK 1029case 6: 1030YY_RULE_SETUP 1031#line 135 "dtc-lexer.l" 1032{ 1033 DPRINT("Keyword: /memreserve/\n"); 1034 BEGIN_DEFAULT(); 1035 return DT_MEMRESERVE; 1036 } 1037 YY_BREAK 1038case 7: 1039YY_RULE_SETUP 1040#line 141 "dtc-lexer.l" 1041{ 1042 DPRINT("Keyword: /bits/\n"); 1043 BEGIN_DEFAULT(); 1044 return DT_BITS; 1045 } 1046 YY_BREAK 1047case 8: 1048YY_RULE_SETUP 1049#line 147 "dtc-lexer.l" 1050{ 1051 DPRINT("Keyword: /delete-property/\n"); 1052 DPRINT("<PROPNODENAME>\n"); 1053 BEGIN(PROPNODENAME); 1054 return DT_DEL_PROP; 1055 } 1056 YY_BREAK 1057case 9: 1058YY_RULE_SETUP 1059#line 154 "dtc-lexer.l" 1060{ 1061 DPRINT("Keyword: /delete-node/\n"); 1062 DPRINT("<PROPNODENAME>\n"); 1063 BEGIN(PROPNODENAME); 1064 return DT_DEL_NODE; 1065 } 1066 YY_BREAK 1067case 10: 1068YY_RULE_SETUP 1069#line 161 "dtc-lexer.l" 1070{ 1071 DPRINT("Label: %s\n", yytext); 1072 yylval.labelref = xstrdup(yytext); 1073 yylval.labelref[yyleng-1] = '\0'; 1074 return DT_LABEL; 1075 } 1076 YY_BREAK 1077case 11: 1078YY_RULE_SETUP 1079#line 168 "dtc-lexer.l" 1080{ 1081 char *e; 1082 DPRINT("Integer Literal: '%s'\n", yytext); 1083 1084 errno = 0; 1085 yylval.integer = strtoull(yytext, &e, 0); 1086 1087 if (*e && e[strspn(e, "UL")]) { 1088 lexical_error("Bad integer literal '%s'", 1089 yytext); 1090 } 1091 1092 if (errno == ERANGE) 1093 lexical_error("Integer literal '%s' out of range", 1094 yytext); 1095 else 1096 /* ERANGE is the only strtoull error triggerable 1097 * by strings matching the pattern */ 1098 assert(errno == 0); 1099 return DT_LITERAL; 1100 } 1101 YY_BREAK 1102case 12: 1103/* rule 12 can match eol */ 1104YY_RULE_SETUP 1105#line 190 "dtc-lexer.l" 1106{ 1107 struct data d; 1108 DPRINT("Character literal: %s\n", yytext); 1109 1110 d = data_copy_escape_string(yytext+1, yyleng-2); 1111 if (d.len == 1) { 1112 lexical_error("Empty character literal"); 1113 yylval.integer = 0; 1114 } else { 1115 yylval.integer = (unsigned char)d.val[0]; 1116 1117 if (d.len > 2) 1118 lexical_error("Character literal has %d" 1119 " characters instead of 1", 1120 d.len - 1); 1121 } 1122 1123 data_free(d); 1124 return DT_CHAR_LITERAL; 1125 } 1126 YY_BREAK 1127case 13: 1128YY_RULE_SETUP 1129#line 211 "dtc-lexer.l" 1130{ /* label reference */ 1131 DPRINT("Ref: %s\n", yytext+1); 1132 yylval.labelref = xstrdup(yytext+1); 1133 return DT_REF; 1134 } 1135 YY_BREAK 1136case 14: 1137YY_RULE_SETUP 1138#line 217 "dtc-lexer.l" 1139{ /* new-style path reference */ 1140 yytext[yyleng-1] = '\0'; 1141 DPRINT("Ref: %s\n", yytext+2); 1142 yylval.labelref = xstrdup(yytext+2); 1143 return DT_REF; 1144 } 1145 YY_BREAK 1146case 15: 1147YY_RULE_SETUP 1148#line 224 "dtc-lexer.l" 1149{ 1150 yylval.byte = strtol(yytext, NULL, 16); 1151 DPRINT("Byte: %02x\n", (int)yylval.byte); 1152 return DT_BYTE; 1153 } 1154 YY_BREAK 1155case 16: 1156YY_RULE_SETUP 1157#line 230 "dtc-lexer.l" 1158{ 1159 DPRINT("/BYTESTRING\n"); 1160 BEGIN_DEFAULT(); 1161 return ']'; 1162 } 1163 YY_BREAK 1164case 17: 1165YY_RULE_SETUP 1166#line 236 "dtc-lexer.l" 1167{ 1168 DPRINT("PropNodeName: %s\n", yytext); 1169 yylval.propnodename = xstrdup((yytext[0] == '\\') ? 1170 yytext + 1 : yytext); 1171 BEGIN_DEFAULT(); 1172 return DT_PROPNODENAME; 1173 } 1174 YY_BREAK 1175case 18: 1176YY_RULE_SETUP 1177#line 244 "dtc-lexer.l" 1178{ 1179 DPRINT("Binary Include\n"); 1180 return DT_INCBIN; 1181 } 1182 YY_BREAK 1183case 19: 1184/* rule 19 can match eol */ 1185YY_RULE_SETUP 1186#line 249 "dtc-lexer.l" 1187/* eat whitespace */ 1188 YY_BREAK 1189case 20: 1190/* rule 20 can match eol */ 1191YY_RULE_SETUP 1192#line 250 "dtc-lexer.l" 1193/* eat C-style comments */ 1194 YY_BREAK 1195case 21: 1196/* rule 21 can match eol */ 1197YY_RULE_SETUP 1198#line 251 "dtc-lexer.l" 1199/* eat C++-style comments */ 1200 YY_BREAK 1201case 22: 1202YY_RULE_SETUP 1203#line 253 "dtc-lexer.l" 1204{ return DT_LSHIFT; }; 1205 YY_BREAK 1206case 23: 1207YY_RULE_SETUP 1208#line 254 "dtc-lexer.l" 1209{ return DT_RSHIFT; }; 1210 YY_BREAK 1211case 24: 1212YY_RULE_SETUP 1213#line 255 "dtc-lexer.l" 1214{ return DT_LE; }; 1215 YY_BREAK 1216case 25: 1217YY_RULE_SETUP 1218#line 256 "dtc-lexer.l" 1219{ return DT_GE; }; 1220 YY_BREAK 1221case 26: 1222YY_RULE_SETUP 1223#line 257 "dtc-lexer.l" 1224{ return DT_EQ; }; 1225 YY_BREAK 1226case 27: 1227YY_RULE_SETUP 1228#line 258 "dtc-lexer.l" 1229{ return DT_NE; }; 1230 YY_BREAK 1231case 28: 1232YY_RULE_SETUP 1233#line 259 "dtc-lexer.l" 1234{ return DT_AND; }; 1235 YY_BREAK 1236case 29: 1237YY_RULE_SETUP 1238#line 260 "dtc-lexer.l" 1239{ return DT_OR; }; 1240 YY_BREAK 1241case 30: 1242YY_RULE_SETUP 1243#line 262 "dtc-lexer.l" 1244{ 1245 DPRINT("Char: %c (\\x%02x)\n", yytext[0], 1246 (unsigned)yytext[0]); 1247 if (yytext[0] == '[') { 1248 DPRINT("<BYTESTRING>\n"); 1249 BEGIN(BYTESTRING); 1250 } 1251 if ((yytext[0] == '{') 1252 || (yytext[0] == ';')) { 1253 DPRINT("<PROPNODENAME>\n"); 1254 BEGIN(PROPNODENAME); 1255 } 1256 return yytext[0]; 1257 } 1258 YY_BREAK 1259case 31: 1260YY_RULE_SETUP 1261#line 277 "dtc-lexer.l" 1262ECHO; 1263 YY_BREAK 1264#line 1265 "dtc-lexer.lex.c" 1265 1266 case YY_END_OF_BUFFER: 1267 { 1268 /* Amount of text matched not including the EOB char. */ 1269 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; 1270 1271 /* Undo the effects of YY_DO_BEFORE_ACTION. */ 1272 *yy_cp = (yy_hold_char); 1273 YY_RESTORE_YY_MORE_OFFSET 1274 1275 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) 1276 { 1277 /* We're scanning a new file or input source. It's 1278 * possible that this happened because the user 1279 * just pointed yyin at a new source and called 1280 * yylex(). If so, then we have to assure 1281 * consistency between YY_CURRENT_BUFFER and our 1282 * globals. Here is the right place to do so, because 1283 * this is the first action (other than possibly a 1284 * back-up) that will match for the new input source. 1285 */ 1286 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1287 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; 1288 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; 1289 } 1290 1291 /* Note that here we test for yy_c_buf_p "<=" to the position 1292 * of the first EOB in the buffer, since yy_c_buf_p will 1293 * already have been incremented past the NUL character 1294 * (since all states make transitions on EOB to the 1295 * end-of-buffer state). Contrast this with the test 1296 * in input(). 1297 */ 1298 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1299 { /* This was really a NUL. */ 1300 yy_state_type yy_next_state; 1301 1302 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; 1303 1304 yy_current_state = yy_get_previous_state( ); 1305 1306 /* Okay, we're now positioned to make the NUL 1307 * transition. We couldn't have 1308 * yy_get_previous_state() go ahead and do it 1309 * for us because it doesn't know how to deal 1310 * with the possibility of jamming (and we don't 1311 * want to build jamming into it because then it 1312 * will run more slowly). 1313 */ 1314 1315 yy_next_state = yy_try_NUL_trans( yy_current_state ); 1316 1317 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1318 1319 if ( yy_next_state ) 1320 { 1321 /* Consume the NUL. */ 1322 yy_cp = ++(yy_c_buf_p); 1323 yy_current_state = yy_next_state; 1324 goto yy_match; 1325 } 1326 1327 else 1328 { 1329 yy_cp = (yy_last_accepting_cpos); 1330 yy_current_state = (yy_last_accepting_state); 1331 goto yy_find_action; 1332 } 1333 } 1334 1335 else switch ( yy_get_next_buffer( ) ) 1336 { 1337 case EOB_ACT_END_OF_FILE: 1338 { 1339 (yy_did_buffer_switch_on_eof) = 0; 1340 1341 if ( yywrap( ) ) 1342 { 1343 /* Note: because we've taken care in 1344 * yy_get_next_buffer() to have set up 1345 * yytext, we can now set up 1346 * yy_c_buf_p so that if some total 1347 * hoser (like flex itself) wants to 1348 * call the scanner after we return the 1349 * YY_NULL, it'll still work - another 1350 * YY_NULL will get returned. 1351 */ 1352 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; 1353 1354 yy_act = YY_STATE_EOF(YY_START); 1355 goto do_action; 1356 } 1357 1358 else 1359 { 1360 if ( ! (yy_did_buffer_switch_on_eof) ) 1361 YY_NEW_FILE; 1362 } 1363 break; 1364 } 1365 1366 case EOB_ACT_CONTINUE_SCAN: 1367 (yy_c_buf_p) = 1368 (yytext_ptr) + yy_amount_of_matched_text; 1369 1370 yy_current_state = yy_get_previous_state( ); 1371 1372 yy_cp = (yy_c_buf_p); 1373 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1374 goto yy_match; 1375 1376 case EOB_ACT_LAST_MATCH: 1377 (yy_c_buf_p) = 1378 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; 1379 1380 yy_current_state = yy_get_previous_state( ); 1381 1382 yy_cp = (yy_c_buf_p); 1383 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1384 goto yy_find_action; 1385 } 1386 break; 1387 } 1388 1389 default: 1390 YY_FATAL_ERROR( 1391 "fatal flex scanner internal error--no action found" ); 1392 } /* end of action switch */ 1393 } /* end of scanning one token */ 1394} /* end of yylex */ 1395 1396/* yy_get_next_buffer - try to read in a new buffer 1397 * 1398 * Returns a code representing an action: 1399 * EOB_ACT_LAST_MATCH - 1400 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position 1401 * EOB_ACT_END_OF_FILE - end of file 1402 */ 1403static int yy_get_next_buffer (void) 1404{ 1405 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; 1406 register char *source = (yytext_ptr); 1407 register int number_to_move, i; 1408 int ret_val; 1409 1410 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) 1411 YY_FATAL_ERROR( 1412 "fatal flex scanner internal error--end of buffer missed" ); 1413 1414 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) 1415 { /* Don't try to fill the buffer, so this is an EOF. */ 1416 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) 1417 { 1418 /* We matched a single character, the EOB, so 1419 * treat this as a final EOF. 1420 */ 1421 return EOB_ACT_END_OF_FILE; 1422 } 1423 1424 else 1425 { 1426 /* We matched some text prior to the EOB, first 1427 * process it. 1428 */ 1429 return EOB_ACT_LAST_MATCH; 1430 } 1431 } 1432 1433 /* Try to read more data. */ 1434 1435 /* First move last chars to start of buffer. */ 1436 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; 1437 1438 for ( i = 0; i < number_to_move; ++i ) 1439 *(dest++) = *(source++); 1440 1441 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) 1442 /* don't do the read, it's not guaranteed to return an EOF, 1443 * just force an EOF 1444 */ 1445 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; 1446 1447 else 1448 { 1449 int num_to_read = 1450 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; 1451 1452 while ( num_to_read <= 0 ) 1453 { /* Not enough room in the buffer - grow it. */ 1454 1455 /* just a shorter name for the current buffer */ 1456 YY_BUFFER_STATE b = YY_CURRENT_BUFFER; 1457 1458 int yy_c_buf_p_offset = 1459 (int) ((yy_c_buf_p) - b->yy_ch_buf); 1460 1461 if ( b->yy_is_our_buffer ) 1462 { 1463 int new_size = b->yy_buf_size * 2; 1464 1465 if ( new_size <= 0 ) 1466 b->yy_buf_size += b->yy_buf_size / 8; 1467 else 1468 b->yy_buf_size *= 2; 1469 1470 b->yy_ch_buf = (char *) 1471 /* Include room in for 2 EOB chars. */ 1472 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); 1473 } 1474 else 1475 /* Can't grow it, we don't own it. */ 1476 b->yy_ch_buf = 0; 1477 1478 if ( ! b->yy_ch_buf ) 1479 YY_FATAL_ERROR( 1480 "fatal error - scanner input buffer overflow" ); 1481 1482 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; 1483 1484 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - 1485 number_to_move - 1; 1486 1487 } 1488 1489 if ( num_to_read > YY_READ_BUF_SIZE ) 1490 num_to_read = YY_READ_BUF_SIZE; 1491 1492 /* Read in more data. */ 1493 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), 1494 (yy_n_chars), (size_t) num_to_read ); 1495 1496 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1497 } 1498 1499 if ( (yy_n_chars) == 0 ) 1500 { 1501 if ( number_to_move == YY_MORE_ADJ ) 1502 { 1503 ret_val = EOB_ACT_END_OF_FILE; 1504 yyrestart(yyin ); 1505 } 1506 1507 else 1508 { 1509 ret_val = EOB_ACT_LAST_MATCH; 1510 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = 1511 YY_BUFFER_EOF_PENDING; 1512 } 1513 } 1514 1515 else 1516 ret_val = EOB_ACT_CONTINUE_SCAN; 1517 1518 if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { 1519 /* Extend the array by 50%, plus the number we really need. */ 1520 yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); 1521 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); 1522 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) 1523 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); 1524 } 1525 1526 (yy_n_chars) += number_to_move; 1527 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; 1528 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; 1529 1530 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; 1531 1532 return ret_val; 1533} 1534 1535/* yy_get_previous_state - get the state just before the EOB char was reached */ 1536 1537 static yy_state_type yy_get_previous_state (void) 1538{ 1539 register yy_state_type yy_current_state; 1540 register char *yy_cp; 1541 1542 yy_current_state = (yy_start); 1543 yy_current_state += YY_AT_BOL(); 1544 1545 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) 1546 { 1547 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); 1548 if ( yy_accept[yy_current_state] ) 1549 { 1550 (yy_last_accepting_state) = yy_current_state; 1551 (yy_last_accepting_cpos) = yy_cp; 1552 } 1553 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1554 { 1555 yy_current_state = (int) yy_def[yy_current_state]; 1556 if ( yy_current_state >= 166 ) 1557 yy_c = yy_meta[(unsigned int) yy_c]; 1558 } 1559 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; 1560 } 1561 1562 return yy_current_state; 1563} 1564 1565/* yy_try_NUL_trans - try to make a transition on the NUL character 1566 * 1567 * synopsis 1568 * next_state = yy_try_NUL_trans( current_state ); 1569 */ 1570 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) 1571{ 1572 register int yy_is_jam; 1573 register char *yy_cp = (yy_c_buf_p); 1574 1575 register YY_CHAR yy_c = 1; 1576 if ( yy_accept[yy_current_state] ) 1577 { 1578 (yy_last_accepting_state) = yy_current_state; 1579 (yy_last_accepting_cpos) = yy_cp; 1580 } 1581 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1582 { 1583 yy_current_state = (int) yy_def[yy_current_state]; 1584 if ( yy_current_state >= 166 ) 1585 yy_c = yy_meta[(unsigned int) yy_c]; 1586 } 1587 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; 1588 yy_is_jam = (yy_current_state == 165); 1589 1590 return yy_is_jam ? 0 : yy_current_state; 1591} 1592 1593#ifndef YY_NO_INPUT 1594#ifdef __cplusplus 1595 static int yyinput (void) 1596#else 1597 static int input (void) 1598#endif 1599 1600{ 1601 int c; 1602 1603 *(yy_c_buf_p) = (yy_hold_char); 1604 1605 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) 1606 { 1607 /* yy_c_buf_p now points to the character we want to return. 1608 * If this occurs *before* the EOB characters, then it's a 1609 * valid NUL; if not, then we've hit the end of the buffer. 1610 */ 1611 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1612 /* This was really a NUL. */ 1613 *(yy_c_buf_p) = '\0'; 1614 1615 else 1616 { /* need more input */ 1617 int offset = (yy_c_buf_p) - (yytext_ptr); 1618 ++(yy_c_buf_p); 1619 1620 switch ( yy_get_next_buffer( ) ) 1621 { 1622 case EOB_ACT_LAST_MATCH: 1623 /* This happens because yy_g_n_b() 1624 * sees that we've accumulated a 1625 * token and flags that we need to 1626 * try matching the token before 1627 * proceeding. But for input(), 1628 * there's no matching to consider. 1629 * So convert the EOB_ACT_LAST_MATCH 1630 * to EOB_ACT_END_OF_FILE. 1631 */ 1632 1633 /* Reset buffer status. */ 1634 yyrestart(yyin ); 1635 1636 /*FALLTHROUGH*/ 1637 1638 case EOB_ACT_END_OF_FILE: 1639 { 1640 if ( yywrap( ) ) 1641 return EOF; 1642 1643 if ( ! (yy_did_buffer_switch_on_eof) ) 1644 YY_NEW_FILE; 1645#ifdef __cplusplus 1646 return yyinput(); 1647#else 1648 return input(); 1649#endif 1650 } 1651 1652 case EOB_ACT_CONTINUE_SCAN: 1653 (yy_c_buf_p) = (yytext_ptr) + offset; 1654 break; 1655 } 1656 } 1657 } 1658 1659 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ 1660 *(yy_c_buf_p) = '\0'; /* preserve yytext */ 1661 (yy_hold_char) = *++(yy_c_buf_p); 1662 1663 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); 1664 1665 return c; 1666} 1667#endif /* ifndef YY_NO_INPUT */ 1668 1669/** Immediately switch to a different input stream. 1670 * @param input_file A readable stream. 1671 * 1672 * @note This function does not reset the start condition to @c INITIAL . 1673 */ 1674 void yyrestart (FILE * input_file ) 1675{ 1676 1677 if ( ! YY_CURRENT_BUFFER ){ 1678 yyensure_buffer_stack (); 1679 YY_CURRENT_BUFFER_LVALUE = 1680 yy_create_buffer(yyin,YY_BUF_SIZE ); 1681 } 1682 1683 yy_init_buffer(YY_CURRENT_BUFFER,input_file ); 1684 yy_load_buffer_state( ); 1685} 1686 1687/** Switch to a different input buffer. 1688 * @param new_buffer The new input buffer. 1689 * 1690 */ 1691 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) 1692{ 1693 1694 /* TODO. We should be able to replace this entire function body 1695 * with 1696 * yypop_buffer_state(); 1697 * yypush_buffer_state(new_buffer); 1698 */ 1699 yyensure_buffer_stack (); 1700 if ( YY_CURRENT_BUFFER == new_buffer ) 1701 return; 1702 1703 if ( YY_CURRENT_BUFFER ) 1704 { 1705 /* Flush out information for old buffer. */ 1706 *(yy_c_buf_p) = (yy_hold_char); 1707 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1708 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1709 } 1710 1711 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1712 yy_load_buffer_state( ); 1713 1714 /* We don't actually know whether we did this switch during 1715 * EOF (yywrap()) processing, but the only time this flag 1716 * is looked at is after yywrap() is called, so it's safe 1717 * to go ahead and always set it. 1718 */ 1719 (yy_did_buffer_switch_on_eof) = 1; 1720} 1721 1722static void yy_load_buffer_state (void) 1723{ 1724 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1725 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; 1726 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; 1727 (yy_hold_char) = *(yy_c_buf_p); 1728} 1729 1730/** Allocate and initialize an input buffer state. 1731 * @param file A readable stream. 1732 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. 1733 * 1734 * @return the allocated buffer state. 1735 */ 1736 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) 1737{ 1738 YY_BUFFER_STATE b; 1739 1740 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1741 if ( ! b ) 1742 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1743 1744 b->yy_buf_size = size; 1745 1746 /* yy_ch_buf has to be 2 characters longer than the size given because 1747 * we need to put in 2 end-of-buffer characters. 1748 */ 1749 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); 1750 if ( ! b->yy_ch_buf ) 1751 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1752 1753 b->yy_is_our_buffer = 1; 1754 1755 yy_init_buffer(b,file ); 1756 1757 return b; 1758} 1759 1760/** Destroy the buffer. 1761 * @param b a buffer created with yy_create_buffer() 1762 * 1763 */ 1764 void yy_delete_buffer (YY_BUFFER_STATE b ) 1765{ 1766 1767 if ( ! b ) 1768 return; 1769 1770 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ 1771 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; 1772 1773 if ( b->yy_is_our_buffer ) 1774 yyfree((void *) b->yy_ch_buf ); 1775 1776 yyfree((void *) b ); 1777} 1778 1779/* Initializes or reinitializes a buffer. 1780 * This function is sometimes called more than once on the same buffer, 1781 * such as during a yyrestart() or at EOF. 1782 */ 1783 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) 1784 1785{ 1786 int oerrno = errno; 1787 1788 yy_flush_buffer(b ); 1789 1790 b->yy_input_file = file; 1791 b->yy_fill_buffer = 1; 1792 1793 /* If b is the current buffer, then yy_init_buffer was _probably_ 1794 * called from yyrestart() or through yy_get_next_buffer. 1795 * In that case, we don't want to reset the lineno or column. 1796 */ 1797 if (b != YY_CURRENT_BUFFER){ 1798 b->yy_bs_lineno = 1; 1799 b->yy_bs_column = 0; 1800 } 1801 1802 b->yy_is_interactive = 0; 1803 1804 errno = oerrno; 1805} 1806 1807/** Discard all buffered characters. On the next scan, YY_INPUT will be called. 1808 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. 1809 * 1810 */ 1811 void yy_flush_buffer (YY_BUFFER_STATE b ) 1812{ 1813 if ( ! b ) 1814 return; 1815 1816 b->yy_n_chars = 0; 1817 1818 /* We always need two end-of-buffer characters. The first causes 1819 * a transition to the end-of-buffer state. The second causes 1820 * a jam in that state. 1821 */ 1822 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 1823 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 1824 1825 b->yy_buf_pos = &b->yy_ch_buf[0]; 1826 1827 b->yy_at_bol = 1; 1828 b->yy_buffer_status = YY_BUFFER_NEW; 1829 1830 if ( b == YY_CURRENT_BUFFER ) 1831 yy_load_buffer_state( ); 1832} 1833 1834/** Pushes the new state onto the stack. The new state becomes 1835 * the current state. This function will allocate the stack 1836 * if necessary. 1837 * @param new_buffer The new state. 1838 * 1839 */ 1840void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) 1841{ 1842 if (new_buffer == NULL) 1843 return; 1844 1845 yyensure_buffer_stack(); 1846 1847 /* This block is copied from yy_switch_to_buffer. */ 1848 if ( YY_CURRENT_BUFFER ) 1849 { 1850 /* Flush out information for old buffer. */ 1851 *(yy_c_buf_p) = (yy_hold_char); 1852 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1853 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1854 } 1855 1856 /* Only push if top exists. Otherwise, replace top. */ 1857 if (YY_CURRENT_BUFFER) 1858 (yy_buffer_stack_top)++; 1859 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1860 1861 /* copied from yy_switch_to_buffer. */ 1862 yy_load_buffer_state( ); 1863 (yy_did_buffer_switch_on_eof) = 1; 1864} 1865 1866/** Removes and deletes the top of the stack, if present. 1867 * The next element becomes the new top. 1868 * 1869 */ 1870void yypop_buffer_state (void) 1871{ 1872 if (!YY_CURRENT_BUFFER) 1873 return; 1874 1875 yy_delete_buffer(YY_CURRENT_BUFFER ); 1876 YY_CURRENT_BUFFER_LVALUE = NULL; 1877 if ((yy_buffer_stack_top) > 0) 1878 --(yy_buffer_stack_top); 1879 1880 if (YY_CURRENT_BUFFER) { 1881 yy_load_buffer_state( ); 1882 (yy_did_buffer_switch_on_eof) = 1; 1883 } 1884} 1885 1886/* Allocates the stack if it does not exist. 1887 * Guarantees space for at least one push. 1888 */ 1889static void yyensure_buffer_stack (void) 1890{ 1891 int num_to_alloc; 1892 1893 if (!(yy_buffer_stack)) { 1894 1895 /* First allocation is just for 2 elements, since we don't know if this 1896 * scanner will even need a stack. We use 2 instead of 1 to avoid an 1897 * immediate realloc on the next call. 1898 */ 1899 num_to_alloc = 1; 1900 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc 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 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 1907 1908 (yy_buffer_stack_max) = num_to_alloc; 1909 (yy_buffer_stack_top) = 0; 1910 return; 1911 } 1912 1913 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ 1914 1915 /* Increase the buffer to prepare for a possible push. */ 1916 int grow_size = 8 /* arbitrary grow size */; 1917 1918 num_to_alloc = (yy_buffer_stack_max) + grow_size; 1919 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc 1920 ((yy_buffer_stack), 1921 num_to_alloc * sizeof(struct yy_buffer_state*) 1922 ); 1923 if ( ! (yy_buffer_stack) ) 1924 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1925 1926 /* zero only the new slots.*/ 1927 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); 1928 (yy_buffer_stack_max) = num_to_alloc; 1929 } 1930} 1931 1932/** Setup the input buffer state to scan directly from a user-specified character buffer. 1933 * @param base the character buffer 1934 * @param size the size in bytes of the character buffer 1935 * 1936 * @return the newly allocated buffer state object. 1937 */ 1938YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) 1939{ 1940 YY_BUFFER_STATE b; 1941 1942 if ( size < 2 || 1943 base[size-2] != YY_END_OF_BUFFER_CHAR || 1944 base[size-1] != YY_END_OF_BUFFER_CHAR ) 1945 /* They forgot to leave room for the EOB's. */ 1946 return 0; 1947 1948 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1949 if ( ! b ) 1950 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); 1951 1952 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ 1953 b->yy_buf_pos = b->yy_ch_buf = base; 1954 b->yy_is_our_buffer = 0; 1955 b->yy_input_file = 0; 1956 b->yy_n_chars = b->yy_buf_size; 1957 b->yy_is_interactive = 0; 1958 b->yy_at_bol = 1; 1959 b->yy_fill_buffer = 0; 1960 b->yy_buffer_status = YY_BUFFER_NEW; 1961 1962 yy_switch_to_buffer(b ); 1963 1964 return b; 1965} 1966 1967/** Setup the input buffer state to scan a string. The next call to yylex() will 1968 * scan from a @e copy of @a str. 1969 * @param yystr a NUL-terminated string to scan 1970 * 1971 * @return the newly allocated buffer state object. 1972 * @note If you want to scan bytes that may contain NUL values, then use 1973 * yy_scan_bytes() instead. 1974 */ 1975YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) 1976{ 1977 1978 return yy_scan_bytes(yystr,strlen(yystr) ); 1979} 1980 1981/** Setup the input buffer state to scan the given bytes. The next call to yylex() will 1982 * scan from a @e copy of @a bytes. 1983 * @param yybytes the byte buffer to scan 1984 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. 1985 * 1986 * @return the newly allocated buffer state object. 1987 */ 1988YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) 1989{ 1990 YY_BUFFER_STATE b; 1991 char *buf; 1992 yy_size_t n; 1993 int i; 1994 1995 /* Get memory for full buffer, including space for trailing EOB's. */ 1996 n = _yybytes_len + 2; 1997 buf = (char *) yyalloc(n ); 1998 if ( ! buf ) 1999 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); 2000 2001 for ( i = 0; i < _yybytes_len; ++i ) 2002 buf[i] = yybytes[i]; 2003 2004 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; 2005 2006 b = yy_scan_buffer(buf,n ); 2007 if ( ! b ) 2008 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); 2009 2010 /* It's okay to grow etc. this buffer, and we should throw it 2011 * away when we're done. 2012 */ 2013 b->yy_is_our_buffer = 1; 2014 2015 return b; 2016} 2017 2018#ifndef YY_EXIT_FAILURE 2019#define YY_EXIT_FAILURE 2 2020#endif 2021 2022static void yy_fatal_error (yyconst char* msg ) 2023{ 2024 (void) fprintf( stderr, "%s\n", msg ); 2025 exit( YY_EXIT_FAILURE ); 2026} 2027 2028/* Redefine yyless() so it works in section 3 code. */ 2029 2030#undef yyless 2031#define yyless(n) \ 2032 do \ 2033 { \ 2034 /* Undo effects of setting up yytext. */ \ 2035 int yyless_macro_arg = (n); \ 2036 YY_LESS_LINENO(yyless_macro_arg);\ 2037 yytext[yyleng] = (yy_hold_char); \ 2038 (yy_c_buf_p) = yytext + yyless_macro_arg; \ 2039 (yy_hold_char) = *(yy_c_buf_p); \ 2040 *(yy_c_buf_p) = '\0'; \ 2041 yyleng = yyless_macro_arg; \ 2042 } \ 2043 while ( 0 ) 2044 2045/* Accessor methods (get/set functions) to struct members. */ 2046 2047/** Get the current line number. 2048 * 2049 */ 2050int yyget_lineno (void) 2051{ 2052 2053 return yylineno; 2054} 2055 2056/** Get the input stream. 2057 * 2058 */ 2059FILE *yyget_in (void) 2060{ 2061 return yyin; 2062} 2063 2064/** Get the output stream. 2065 * 2066 */ 2067FILE *yyget_out (void) 2068{ 2069 return yyout; 2070} 2071 2072/** Get the length of the current token. 2073 * 2074 */ 2075int yyget_leng (void) 2076{ 2077 return yyleng; 2078} 2079 2080/** Get the current token. 2081 * 2082 */ 2083 2084char *yyget_text (void) 2085{ 2086 return yytext; 2087} 2088 2089/** Set the current line number. 2090 * @param line_number 2091 * 2092 */ 2093void yyset_lineno (int line_number ) 2094{ 2095 2096 yylineno = line_number; 2097} 2098 2099/** Set the input stream. This does not discard the current 2100 * input buffer. 2101 * @param in_str A readable stream. 2102 * 2103 * @see yy_switch_to_buffer 2104 */ 2105void yyset_in (FILE * in_str ) 2106{ 2107 yyin = in_str ; 2108} 2109 2110void yyset_out (FILE * out_str ) 2111{ 2112 yyout = out_str ; 2113} 2114 2115int yyget_debug (void) 2116{ 2117 return yy_flex_debug; 2118} 2119 2120void yyset_debug (int bdebug ) 2121{ 2122 yy_flex_debug = bdebug ; 2123} 2124 2125static int yy_init_globals (void) 2126{ 2127 /* Initialization is the same as for the non-reentrant scanner. 2128 * This function is called from yylex_destroy(), so don't allocate here. 2129 */ 2130 2131 (yy_buffer_stack) = 0; 2132 (yy_buffer_stack_top) = 0; 2133 (yy_buffer_stack_max) = 0; 2134 (yy_c_buf_p) = (char *) 0; 2135 (yy_init) = 0; 2136 (yy_start) = 0; 2137 2138/* Defined in main.c */ 2139#ifdef YY_STDINIT 2140 yyin = stdin; 2141 yyout = stdout; 2142#else 2143 yyin = (FILE *) 0; 2144 yyout = (FILE *) 0; 2145#endif 2146 2147 /* For future reference: Set errno on error, since we are called by 2148 * yylex_init() 2149 */ 2150 return 0; 2151} 2152 2153/* yylex_destroy is for both reentrant and non-reentrant scanners. */ 2154int yylex_destroy (void) 2155{ 2156 2157 /* Pop the buffer stack, destroying each element. */ 2158 while(YY_CURRENT_BUFFER){ 2159 yy_delete_buffer(YY_CURRENT_BUFFER ); 2160 YY_CURRENT_BUFFER_LVALUE = NULL; 2161 yypop_buffer_state(); 2162 } 2163 2164 /* Destroy the stack itself. */ 2165 yyfree((yy_buffer_stack) ); 2166 (yy_buffer_stack) = NULL; 2167 2168 /* Reset the globals. This is important in a non-reentrant scanner so the next time 2169 * yylex() is called, initialization will occur. */ 2170 yy_init_globals( ); 2171 2172 return 0; 2173} 2174 2175/* 2176 * Internal utility routines. 2177 */ 2178 2179#ifndef yytext_ptr 2180static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) 2181{ 2182 register int i; 2183 for ( i = 0; i < n; ++i ) 2184 s1[i] = s2[i]; 2185} 2186#endif 2187 2188#ifdef YY_NEED_STRLEN 2189static int yy_flex_strlen (yyconst char * s ) 2190{ 2191 register int n; 2192 for ( n = 0; s[n]; ++n ) 2193 ; 2194 2195 return n; 2196} 2197#endif 2198 2199void *yyalloc (yy_size_t size ) 2200{ 2201 return (void *) malloc( size ); 2202} 2203 2204void *yyrealloc (void * ptr, yy_size_t size ) 2205{ 2206 /* The cast to (char *) in the following accommodates both 2207 * implementations that use char* generic pointers, and those 2208 * that use void* generic pointers. It works with the latter 2209 * because both ANSI C and C++ allow castless assignment from 2210 * any pointer type to void*, and deal with argument conversions 2211 * as though doing an assignment. 2212 */ 2213 return (void *) realloc( (char *) ptr, size ); 2214} 2215 2216void yyfree (void * ptr ) 2217{ 2218 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ 2219} 2220 2221#define YYTABLES_NAME "yytables" 2222 2223#line 277 "dtc-lexer.l" 2224 2225 2226 2227static void push_input_file(const char *filename) 2228{ 2229 assert(filename); 2230 2231 srcfile_push(filename); 2232 2233 yyin = current_srcfile->f; 2234 2235 yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE)); 2236} 2237 2238 2239static bool pop_input_file(void) 2240{ 2241 if (srcfile_pop() == 0) 2242 return false; 2243 2244 yypop_buffer_state(); 2245 yyin = current_srcfile->f; 2246 2247 return true; 2248} 2249 2250static void lexical_error(const char *fmt, ...) 2251{ 2252 va_list ap; 2253 2254 va_start(ap, fmt); 2255 srcpos_verror(&yylloc, "Lexical error", fmt, ap); 2256 va_end(ap); 2257 2258 treesource_error = true; 2259} 2260 2261