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 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 int 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 */ 332 333#define yywrap() (/*CONSTCOND*/1) 334#define YY_SKIP_YYWRAP 335 336typedef unsigned char YY_CHAR; 337 338FILE *yyin = NULL, *yyout = NULL; 339 340typedef int yy_state_type; 341 342extern int yylineno; 343 344int yylineno = 1; 345 346extern char *yytext; 347#ifdef yytext_ptr 348#undef yytext_ptr 349#endif 350#define yytext_ptr yytext 351 352static yy_state_type yy_get_previous_state (void ); 353static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); 354static int yy_get_next_buffer (void ); 355static void yynoreturn yy_fatal_error (yyconst char* msg ); 356 357/* Done after the current pattern has been matched and before the 358 * corresponding action - sets up yytext. 359 */ 360#define YY_DO_BEFORE_ACTION \ 361 (yytext_ptr) = yy_bp; \ 362 yyleng = (int) (yy_cp - yy_bp); \ 363 (yy_hold_char) = *yy_cp; \ 364 *yy_cp = '\0'; \ 365 (yy_c_buf_p) = yy_cp; 366 367#define YY_NUM_RULES 31 368#define YY_END_OF_BUFFER 32 369/* This struct is not used in this scanner, 370 but its presence is necessary. */ 371struct yy_trans_info 372 { 373 flex_int32_t yy_verify; 374 flex_int32_t yy_nxt; 375 }; 376static yyconst flex_int16_t yy_accept[166] = 377 { 0, 378 0, 0, 0, 0, 0, 0, 0, 0, 32, 30, 379 19, 19, 30, 30, 30, 30, 30, 30, 30, 30, 380 30, 30, 30, 30, 30, 30, 16, 17, 17, 30, 381 17, 11, 11, 19, 27, 0, 3, 0, 28, 13, 382 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 383 0, 22, 24, 26, 25, 23, 0, 10, 29, 0, 384 0, 0, 15, 15, 17, 17, 17, 11, 11, 11, 385 0, 13, 0, 12, 0, 0, 0, 21, 0, 0, 386 0, 0, 0, 0, 0, 0, 0, 17, 11, 11, 387 11, 0, 14, 20, 0, 0, 0, 0, 0, 0, 388 389 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 390 0, 0, 0, 0, 0, 17, 7, 0, 0, 0, 391 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 392 0, 0, 0, 0, 4, 18, 0, 0, 5, 2, 393 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 394 0, 0, 1, 0, 0, 0, 0, 6, 9, 0, 395 0, 0, 0, 8, 0 396 } ; 397 398static yyconst YY_CHAR yy_ec[256] = 399 { 0, 400 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 401 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 402 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 403 1, 2, 5, 6, 7, 1, 1, 8, 9, 1, 404 1, 10, 11, 11, 12, 11, 13, 14, 15, 16, 405 16, 16, 16, 16, 16, 16, 16, 17, 1, 18, 406 19, 20, 11, 11, 21, 21, 21, 21, 21, 21, 407 22, 22, 22, 22, 22, 23, 22, 22, 22, 22, 408 22, 22, 22, 22, 24, 22, 22, 25, 22, 22, 409 1, 26, 27, 1, 22, 1, 21, 28, 29, 30, 410 411 31, 21, 32, 22, 33, 22, 22, 34, 35, 36, 412 37, 38, 22, 39, 40, 41, 42, 43, 22, 25, 413 44, 22, 45, 46, 47, 1, 1, 1, 1, 1, 414 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 415 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 416 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 417 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 418 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 419 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 420 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 421 422 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, 1 428 } ; 429 430static yyconst YY_CHAR yy_meta[48] = 431 { 0, 432 1, 1, 1, 1, 1, 1, 2, 3, 1, 2, 433 2, 2, 4, 5, 5, 5, 6, 1, 1, 1, 434 7, 8, 8, 8, 8, 1, 1, 7, 7, 7, 435 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 436 8, 8, 8, 8, 3, 1, 4 437 } ; 438 439static yyconst flex_uint16_t yy_base[180] = 440 { 0, 441 0, 393, 35, 392, 66, 391, 38, 107, 397, 401, 442 55, 113, 377, 112, 111, 111, 114, 42, 376, 106, 443 377, 347, 126, 120, 0, 147, 401, 0, 124, 0, 444 137, 158, 170, 163, 401, 153, 401, 389, 401, 0, 445 378, 120, 401, 131, 380, 386, 355, 139, 351, 355, 446 351, 401, 401, 401, 401, 401, 367, 401, 401, 185, 447 350, 346, 401, 364, 0, 185, 347, 189, 356, 355, 448 0, 0, 330, 180, 366, 141, 372, 361, 332, 338, 449 331, 341, 334, 326, 205, 331, 337, 329, 401, 341, 450 167, 316, 401, 349, 348, 320, 328, 346, 180, 318, 451 452 324, 209, 324, 320, 322, 342, 338, 309, 306, 315, 453 305, 315, 312, 192, 342, 341, 401, 293, 306, 282, 454 268, 252, 255, 203, 285, 282, 272, 268, 252, 233, 455 232, 239, 208, 107, 401, 401, 238, 211, 401, 211, 456 212, 208, 228, 203, 215, 207, 233, 222, 212, 211, 457 203, 227, 401, 237, 225, 204, 185, 401, 401, 149, 458 128, 88, 42, 401, 401, 253, 259, 267, 271, 275, 459 281, 288, 292, 300, 308, 312, 318, 326, 334 460 } ; 461 462static yyconst flex_int16_t yy_def[180] = 463 { 0, 464 165, 1, 1, 3, 165, 5, 1, 1, 165, 165, 465 165, 165, 165, 166, 167, 168, 165, 165, 165, 165, 466 169, 165, 165, 165, 170, 169, 165, 171, 172, 171, 467 171, 165, 165, 165, 165, 166, 165, 166, 165, 173, 468 165, 168, 165, 168, 174, 175, 165, 165, 165, 165, 469 165, 165, 165, 165, 165, 165, 169, 165, 165, 165, 470 165, 165, 165, 169, 171, 172, 171, 165, 165, 165, 471 176, 173, 177, 168, 174, 174, 175, 165, 165, 165, 472 165, 165, 165, 165, 165, 165, 165, 171, 165, 165, 473 176, 177, 165, 165, 165, 165, 165, 165, 165, 165, 474 475 165, 165, 165, 165, 171, 165, 165, 165, 165, 165, 476 165, 165, 165, 178, 165, 171, 165, 165, 165, 165, 477 165, 165, 165, 178, 165, 178, 165, 165, 165, 165, 478 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 479 165, 165, 165, 165, 165, 165, 165, 179, 165, 165, 480 165, 179, 165, 179, 165, 165, 165, 165, 165, 165, 481 165, 165, 165, 165, 0, 165, 165, 165, 165, 165, 482 165, 165, 165, 165, 165, 165, 165, 165, 165 483 } ; 484 485static yyconst flex_uint16_t yy_nxt[449] = 486 { 0, 487 10, 11, 12, 11, 13, 14, 10, 15, 16, 10, 488 10, 10, 17, 10, 10, 10, 10, 18, 19, 20, 489 21, 21, 21, 21, 21, 10, 10, 21, 21, 21, 490 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 491 21, 21, 21, 21, 10, 22, 10, 24, 25, 25, 492 25, 32, 33, 33, 164, 26, 34, 34, 34, 52, 493 53, 27, 26, 26, 26, 26, 10, 11, 12, 11, 494 13, 14, 28, 15, 16, 28, 28, 28, 24, 28, 495 28, 28, 10, 18, 19, 20, 29, 29, 29, 29, 496 29, 30, 10, 29, 29, 29, 29, 29, 29, 29, 497 498 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 499 10, 22, 10, 23, 34, 34, 34, 37, 39, 43, 500 32, 33, 33, 45, 55, 56, 46, 60, 43, 45, 501 65, 163, 46, 65, 65, 65, 44, 38, 60, 74, 502 58, 47, 141, 48, 142, 44, 49, 47, 50, 48, 503 76, 51, 62, 94, 50, 41, 44, 51, 37, 61, 504 64, 64, 64, 58, 34, 34, 34, 64, 162, 80, 505 67, 68, 68, 68, 64, 64, 64, 64, 38, 81, 506 69, 70, 71, 68, 68, 68, 60, 161, 43, 69, 507 70, 65, 69, 70, 65, 65, 65, 125, 85, 85, 508 509 85, 58, 68, 68, 68, 44, 102, 110, 125, 133, 510 102, 69, 70, 111, 114, 160, 159, 126, 85, 85, 511 85, 140, 140, 140, 140, 140, 140, 153, 126, 147, 512 147, 147, 153, 148, 147, 147, 147, 158, 148, 165, 513 157, 156, 155, 151, 150, 149, 146, 154, 145, 144, 514 143, 139, 154, 36, 36, 36, 36, 36, 36, 36, 515 36, 40, 138, 137, 136, 40, 40, 42, 42, 42, 516 42, 42, 42, 42, 42, 57, 57, 57, 57, 63, 517 135, 63, 65, 134, 165, 65, 133, 65, 65, 66, 518 132, 131, 66, 66, 66, 66, 72, 130, 72, 72, 519 520 75, 75, 75, 75, 75, 75, 75, 75, 77, 77, 521 77, 77, 77, 77, 77, 77, 91, 129, 91, 92, 522 128, 92, 92, 127, 92, 92, 124, 124, 124, 124, 523 124, 124, 124, 124, 152, 152, 152, 152, 152, 152, 524 152, 152, 60, 60, 123, 122, 121, 120, 119, 118, 525 117, 45, 116, 111, 115, 113, 112, 109, 108, 107, 526 46, 106, 93, 89, 105, 104, 103, 101, 100, 99, 527 98, 97, 96, 95, 78, 76, 93, 90, 89, 88, 528 58, 87, 86, 58, 84, 83, 82, 79, 78, 76, 529 73, 165, 59, 58, 54, 35, 165, 31, 23, 23, 530 531 9, 165, 165, 165, 165, 165, 165, 165, 165, 165, 532 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 533 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 534 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 535 165, 165, 165, 165, 165, 165, 165, 165 536 } ; 537 538static yyconst flex_int16_t yy_chk[449] = 539 { 0, 540 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 541 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 542 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 543 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 544 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 545 3, 7, 7, 7, 163, 3, 11, 11, 11, 18, 546 18, 3, 3, 3, 3, 3, 5, 5, 5, 5, 547 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 548 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 549 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 550 551 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 552 5, 5, 5, 8, 12, 12, 12, 14, 15, 16, 553 8, 8, 8, 17, 20, 20, 17, 23, 42, 24, 554 29, 162, 24, 29, 29, 29, 16, 14, 31, 44, 555 29, 17, 134, 17, 134, 42, 17, 24, 17, 24, 556 76, 17, 24, 76, 24, 15, 44, 24, 36, 23, 557 26, 26, 26, 26, 34, 34, 34, 26, 161, 48, 558 31, 32, 32, 32, 26, 26, 26, 26, 36, 48, 559 32, 32, 32, 33, 33, 33, 60, 160, 74, 91, 560 91, 66, 33, 33, 66, 66, 66, 114, 60, 60, 561 562 60, 66, 68, 68, 68, 74, 85, 99, 124, 133, 563 102, 68, 68, 99, 102, 157, 156, 114, 85, 85, 564 85, 133, 133, 133, 140, 140, 140, 148, 124, 143, 565 143, 143, 152, 143, 147, 147, 147, 155, 147, 154, 566 151, 150, 149, 146, 145, 144, 142, 148, 141, 138, 567 137, 132, 152, 166, 166, 166, 166, 166, 166, 166, 568 166, 167, 131, 130, 129, 167, 167, 168, 168, 168, 569 168, 168, 168, 168, 168, 169, 169, 169, 169, 170, 570 128, 170, 171, 127, 126, 171, 125, 171, 171, 172, 571 123, 122, 172, 172, 172, 172, 173, 121, 173, 173, 572 573 174, 174, 174, 174, 174, 174, 174, 174, 175, 175, 574 175, 175, 175, 175, 175, 175, 176, 120, 176, 177, 575 119, 177, 177, 118, 177, 177, 178, 178, 178, 178, 576 178, 178, 178, 178, 179, 179, 179, 179, 179, 179, 577 179, 179, 116, 115, 113, 112, 111, 110, 109, 108, 578 107, 106, 105, 104, 103, 101, 100, 98, 97, 96, 579 95, 94, 92, 90, 88, 87, 86, 84, 83, 82, 580 81, 80, 79, 78, 77, 75, 73, 70, 69, 67, 581 64, 62, 61, 57, 51, 50, 49, 47, 46, 45, 582 41, 38, 22, 21, 19, 13, 9, 6, 4, 2, 583 584 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 585 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 586 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 587 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 588 165, 165, 165, 165, 165, 165, 165, 165 589 } ; 590 591static yy_state_type yy_last_accepting_state; 592static char *yy_last_accepting_cpos; 593 594extern int yy_flex_debug; 595int yy_flex_debug = 0; 596 597/* The intent behind this definition is that it'll catch 598 * any uses of REJECT which flex missed. 599 */ 600#define REJECT reject_used_but_not_detected 601#define yymore() yymore_used_but_not_detected 602#define YY_MORE_ADJ 0 603#define YY_RESTORE_YY_MORE_OFFSET 604char *yytext; 605#line 1 "dtc-lexer.l" 606/* 607 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. 608 * 609 * 610 * This program is free software; you can redistribute it and/or 611 * modify it under the terms of the GNU General Public License as 612 * published by the Free Software Foundation; either version 2 of the 613 * License, or (at your option) any later version. 614 * 615 * This program is distributed in the hope that it will be useful, 616 * but WITHOUT ANY WARRANTY; without even the implied warranty of 617 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 618 * General Public License for more details. 619 * 620 * You should have received a copy of the GNU General Public License 621 * along with this program; if not, write to the Free Software 622 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 623 * USA 624 */ 625#define YY_NO_INPUT 1 626 627 628 629#line 37 "dtc-lexer.l" 630#include "dtc.h" 631#include "srcpos.h" 632#include "dtc-parser.tab.h" 633 634YYLTYPE yylloc; 635extern bool treesource_error; 636 637/* CAUTION: this will stop working if we ever use yyless() or yyunput() */ 638#define YY_USER_ACTION \ 639 { \ 640 srcpos_update(&yylloc, yytext, yyleng); \ 641 } 642 643/*#define LEXDEBUG 1*/ 644 645#ifdef LEXDEBUG 646#define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__) 647#else 648#define DPRINT(fmt, ...) do { } while (0) 649#endif 650 651static int dts_version = 1; 652 653#define BEGIN_DEFAULT() DPRINT("<V1>\n"); \ 654 BEGIN(V1); \ 655 656static void push_input_file(const char *filename); 657static bool pop_input_file(void); 658static void PRINTF(1, 2) lexical_error(const char *fmt, ...); 659 660#line 661 "dtc-lexer.lex.c" 661 662#define INITIAL 0 663#define BYTESTRING 1 664#define PROPNODENAME 2 665#define V1 3 666 667#ifndef YY_NO_UNISTD_H 668/* Special case for "unistd.h", since it is non-ANSI. We include it way 669 * down here because we want the user's section 1 to have been scanned first. 670 * The user has a chance to override it with an option. 671 */ 672#include <unistd.h> 673#endif 674 675#ifndef YY_EXTRA_TYPE 676#define YY_EXTRA_TYPE void * 677#endif 678 679static int yy_init_globals (void ); 680 681/* Accessor methods to globals. 682 These are made visible to non-reentrant scanners for convenience. */ 683 684int yylex_destroy (void ); 685 686int yyget_debug (void ); 687 688void yyset_debug (int debug_flag ); 689 690YY_EXTRA_TYPE yyget_extra (void ); 691 692void yyset_extra (YY_EXTRA_TYPE user_defined ); 693 694FILE *yyget_in (void ); 695 696void yyset_in (FILE * _in_str ); 697 698FILE *yyget_out (void ); 699 700void yyset_out (FILE * _out_str ); 701 702 int yyget_leng (void ); 703 704char *yyget_text (void ); 705 706int yyget_lineno (void ); 707 708void yyset_lineno (int _line_number ); 709 710/* Macros after this point can all be overridden by user definitions in 711 * section 1. 712 */ 713 714#ifndef YY_SKIP_YYWRAP 715#ifdef __cplusplus 716extern "C" int yywrap (void ); 717#else 718extern int yywrap (void ); 719#endif 720#endif 721 722#ifndef YY_NO_UNPUT 723 724#endif 725 726#ifndef yytext_ptr 727static void yy_flex_strncpy (char *,yyconst char *,int ); 728#endif 729 730#ifdef YY_NEED_STRLEN 731static int yy_flex_strlen (yyconst char * ); 732#endif 733 734#ifndef YY_NO_INPUT 735 736#ifdef __cplusplus 737static int yyinput (void ); 738#else 739static int input (void ); 740#endif 741 742#endif 743 744/* Amount of stuff to slurp up with each read. */ 745#ifndef YY_READ_BUF_SIZE 746#ifdef __ia64__ 747/* On IA-64, the buffer size is 16k, not 8k */ 748#define YY_READ_BUF_SIZE 16384 749#else 750#define YY_READ_BUF_SIZE 8192 751#endif /* __ia64__ */ 752#endif 753 754/* Copy whatever the last rule matched to the standard output. */ 755#ifndef ECHO 756/* This used to be an fputs(), but since the string might contain NUL's, 757 * we now use fwrite(). 758 */ 759#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) 760#endif 761 762/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, 763 * is returned in "result". 764 */ 765#ifndef YY_INPUT 766#define YY_INPUT(buf,result,max_size) \ 767 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ 768 { \ 769 int c = '*'; \ 770 size_t n; \ 771 for ( n = 0; n < max_size && \ 772 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ 773 buf[n] = (char) c; \ 774 if ( c == '\n' ) \ 775 buf[n++] = (char) c; \ 776 if ( c == EOF && ferror( yyin ) ) \ 777 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 778 result = n; \ 779 } \ 780 else \ 781 { \ 782 errno=0; \ 783 while ( (result = (int) fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ 784 { \ 785 if( errno != EINTR) \ 786 { \ 787 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 788 break; \ 789 } \ 790 errno=0; \ 791 clearerr(yyin); \ 792 } \ 793 }\ 794\ 795 796#endif 797 798/* No semi-colon after return; correct usage is to write "yyterminate();" - 799 * we don't want an extra ';' after the "return" because that will cause 800 * some compilers to complain about unreachable statements. 801 */ 802#ifndef yyterminate 803#define yyterminate() return YY_NULL 804#endif 805 806/* Number of entries by which start-condition stack grows. */ 807#ifndef YY_START_STACK_INCR 808#define YY_START_STACK_INCR 25 809#endif 810 811/* Report a fatal error. */ 812#ifndef YY_FATAL_ERROR 813#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) 814#endif 815 816/* end tables serialization structures and prototypes */ 817 818/* Default declaration of generated scanner - a define so the user can 819 * easily add parameters. 820 */ 821#ifndef YY_DECL 822#define YY_DECL_IS_OURS 1 823 824extern int yylex (void); 825 826#define YY_DECL int yylex (void) 827#endif /* !YY_DECL */ 828 829/* Code executed at the beginning of each rule, after yytext and yyleng 830 * have been set up. 831 */ 832#ifndef YY_USER_ACTION 833#define YY_USER_ACTION 834#endif 835 836/* Code executed at the end of each rule. */ 837#ifndef YY_BREAK 838#define YY_BREAK /*LINTED*/break; 839#endif 840 841#define YY_RULE_SETUP \ 842 if ( yyleng > 0 ) \ 843 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ 844 (yytext[yyleng - 1] == '\n'); \ 845 YY_USER_ACTION 846 847/** The main scanner function which does all the work. 848 */ 849YY_DECL 850{ 851 yy_state_type yy_current_state; 852 char *yy_cp, *yy_bp; 853 int yy_act; 854 855 if ( !(yy_init) ) 856 { 857 (yy_init) = 1; 858 859#ifdef YY_USER_INIT 860 YY_USER_INIT; 861#endif 862 863 if ( ! (yy_start) ) 864 (yy_start) = 1; /* first start state */ 865 866 if ( ! yyin ) 867 yyin = stdin; 868 869 if ( ! yyout ) 870 yyout = stdout; 871 872 if ( ! YY_CURRENT_BUFFER ) { 873 yyensure_buffer_stack (); 874 YY_CURRENT_BUFFER_LVALUE = 875 yy_create_buffer(yyin,YY_BUF_SIZE ); 876 } 877 878 yy_load_buffer_state( ); 879 } 880 881 { 882#line 69 "dtc-lexer.l" 883 884#line 885 "dtc-lexer.lex.c" 885 886 while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ 887 { 888 yy_cp = (yy_c_buf_p); 889 890 /* Support of yytext. */ 891 *yy_cp = (yy_hold_char); 892 893 /* yy_bp points to the position in yy_ch_buf of the start of 894 * the current run. 895 */ 896 yy_bp = yy_cp; 897 898 yy_current_state = (yy_start); 899 yy_current_state += YY_AT_BOL(); 900yy_match: 901 do 902 { 903 YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; 904 if ( yy_accept[yy_current_state] ) 905 { 906 (yy_last_accepting_state) = yy_current_state; 907 (yy_last_accepting_cpos) = yy_cp; 908 } 909 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 910 { 911 yy_current_state = (int) yy_def[yy_current_state]; 912 if ( yy_current_state >= 166 ) 913 yy_c = yy_meta[(unsigned int) yy_c]; 914 } 915 yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; 916 ++yy_cp; 917 } 918 while ( yy_current_state != 165 ); 919 yy_cp = (yy_last_accepting_cpos); 920 yy_current_state = (yy_last_accepting_state); 921 922yy_find_action: 923 yy_act = yy_accept[yy_current_state]; 924 925 YY_DO_BEFORE_ACTION; 926 927do_action: /* This label is used only to access EOF actions. */ 928 929 switch ( yy_act ) 930 { /* beginning of action switch */ 931 case 0: /* must back up */ 932 /* undo the effects of YY_DO_BEFORE_ACTION */ 933 *yy_cp = (yy_hold_char); 934 yy_cp = (yy_last_accepting_cpos); 935 yy_current_state = (yy_last_accepting_state); 936 goto yy_find_action; 937 938case 1: 939/* rule 1 can match eol */ 940YY_RULE_SETUP 941#line 70 "dtc-lexer.l" 942{ 943 char *name = strchr(yytext, '\"') + 1; 944 yytext[yyleng-1] = '\0'; 945 push_input_file(name); 946 } 947 YY_BREAK 948case 2: 949/* rule 2 can match eol */ 950YY_RULE_SETUP 951#line 76 "dtc-lexer.l" 952{ 953 char *line, *fnstart, *fnend; 954 struct data fn; 955 /* skip text before line # */ 956 line = yytext; 957 while (!isdigit((unsigned char)*line)) 958 line++; 959 960 /* regexp ensures that first and list " 961 * in the whole yytext are those at 962 * beginning and end of the filename string */ 963 fnstart = memchr(yytext, '"', yyleng); 964 for (fnend = yytext + yyleng - 1; 965 *fnend != '"'; fnend--) 966 ; 967 assert(fnstart && fnend && (fnend > fnstart)); 968 969 fn = data_copy_escape_string(fnstart + 1, 970 fnend - fnstart - 1); 971 972 /* Don't allow nuls in filenames */ 973 if (memchr(fn.val, '\0', fn.len - 1)) 974 lexical_error("nul in line number directive"); 975 976 /* -1 since #line is the number of the next line */ 977 srcpos_set_line(xstrdup(fn.val), atoi(line) - 1); 978 data_free(fn); 979 } 980 YY_BREAK 981case YY_STATE_EOF(INITIAL): 982case YY_STATE_EOF(BYTESTRING): 983case YY_STATE_EOF(PROPNODENAME): 984case YY_STATE_EOF(V1): 985#line 105 "dtc-lexer.l" 986{ 987 if (!pop_input_file()) { 988 yyterminate(); 989 } 990 } 991 YY_BREAK 992case 3: 993/* rule 3 can match eol */ 994YY_RULE_SETUP 995#line 111 "dtc-lexer.l" 996{ 997 DPRINT("String: %s\n", yytext); 998 yylval.data = data_copy_escape_string(yytext+1, 999 yyleng-2); 1000 return DT_STRING;
1001 } 1002 YY_BREAK 1003case 4: 1004YY_RULE_SETUP 1005#line 118 "dtc-lexer.l" 1006{ 1007 DPRINT("Keyword: /dts-v1/\n"); 1008 dts_version = 1; 1009 BEGIN_DEFAULT(); 1010 return DT_V1; 1011 } 1012 YY_BREAK 1013case 5: 1014YY_RULE_SETUP 1015#line 125 "dtc-lexer.l" 1016{ 1017 DPRINT("Keyword: /plugin/\n"); 1018 return DT_PLUGIN; 1019 } 1020 YY_BREAK 1021case 6: 1022YY_RULE_SETUP 1023#line 130 "dtc-lexer.l" 1024{ 1025 DPRINT("Keyword: /memreserve/\n"); 1026 BEGIN_DEFAULT(); 1027 return DT_MEMRESERVE; 1028 } 1029 YY_BREAK 1030case 7: 1031YY_RULE_SETUP 1032#line 136 "dtc-lexer.l" 1033{ 1034 DPRINT("Keyword: /bits/\n"); 1035 BEGIN_DEFAULT(); 1036 return DT_BITS; 1037 } 1038 YY_BREAK 1039case 8: 1040YY_RULE_SETUP 1041#line 142 "dtc-lexer.l" 1042{ 1043 DPRINT("Keyword: /delete-property/\n"); 1044 DPRINT("<PROPNODENAME>\n"); 1045 BEGIN(PROPNODENAME); 1046 return DT_DEL_PROP; 1047 } 1048 YY_BREAK 1049case 9: 1050YY_RULE_SETUP 1051#line 149 "dtc-lexer.l" 1052{ 1053 DPRINT("Keyword: /delete-node/\n"); 1054 DPRINT("<PROPNODENAME>\n"); 1055 BEGIN(PROPNODENAME); 1056 return DT_DEL_NODE; 1057 } 1058 YY_BREAK 1059case 10: 1060YY_RULE_SETUP 1061#line 156 "dtc-lexer.l" 1062{ 1063 DPRINT("Label: %s\n", yytext); 1064 yylval.labelref = xstrdup(yytext); 1065 yylval.labelref[yyleng-1] = '\0'; 1066 return DT_LABEL; 1067 } 1068 YY_BREAK 1069case 11: 1070YY_RULE_SETUP 1071#line 163 "dtc-lexer.l" 1072{ 1073 char *e; 1074 DPRINT("Integer Literal: '%s'\n", yytext); 1075 1076 errno = 0; 1077 yylval.integer = strtoull(yytext, &e, 0); 1078 1079 if (*e && e[strspn(e, "UL")]) { 1080 lexical_error("Bad integer literal '%s'", 1081 yytext); 1082 } 1083 1084 if (errno == ERANGE) 1085 lexical_error("Integer literal '%s' out of range", 1086 yytext); 1087 else 1088 /* ERANGE is the only strtoull error triggerable 1089 * by strings matching the pattern */ 1090 assert(errno == 0); 1091 return DT_LITERAL; 1092 } 1093 YY_BREAK 1094case 12: 1095/* rule 12 can match eol */ 1096YY_RULE_SETUP 1097#line 185 "dtc-lexer.l" 1098{ 1099 struct data d; 1100 DPRINT("Character literal: %s\n", yytext); 1101 1102 d = data_copy_escape_string(yytext+1, yyleng-2); 1103 if (d.len == 1) { 1104 lexical_error("Empty character literal"); 1105 yylval.integer = 0; 1106 } else { 1107 yylval.integer = (unsigned char)d.val[0]; 1108 1109 if (d.len > 2) 1110 lexical_error("Character literal has %d" 1111 " characters instead of 1", 1112 d.len - 1); 1113 } 1114 1115 data_free(d); 1116 return DT_CHAR_LITERAL; 1117 } 1118 YY_BREAK 1119case 13: 1120YY_RULE_SETUP 1121#line 206 "dtc-lexer.l" 1122{ /* label reference */ 1123 DPRINT("Ref: %s\n", yytext+1); 1124 yylval.labelref = xstrdup(yytext+1); 1125 return DT_REF; 1126 } 1127 YY_BREAK 1128case 14: 1129YY_RULE_SETUP 1130#line 212 "dtc-lexer.l" 1131{ /* new-style path reference */ 1132 yytext[yyleng-1] = '\0'; 1133 DPRINT("Ref: %s\n", yytext+2); 1134 yylval.labelref = xstrdup(yytext+2); 1135 return DT_REF; 1136 } 1137 YY_BREAK 1138case 15: 1139YY_RULE_SETUP 1140#line 219 "dtc-lexer.l" 1141{ 1142 yylval.byte = strtol(yytext, NULL, 16); 1143 DPRINT("Byte: %02x\n", (int)yylval.byte); 1144 return DT_BYTE; 1145 } 1146 YY_BREAK 1147case 16: 1148YY_RULE_SETUP 1149#line 225 "dtc-lexer.l" 1150{ 1151 DPRINT("/BYTESTRING\n"); 1152 BEGIN_DEFAULT(); 1153 return ']'; 1154 } 1155 YY_BREAK 1156case 17: 1157YY_RULE_SETUP 1158#line 231 "dtc-lexer.l" 1159{ 1160 DPRINT("PropNodeName: %s\n", yytext); 1161 yylval.propnodename = xstrdup((yytext[0] == '\\') ? 1162 yytext + 1 : yytext); 1163 BEGIN_DEFAULT(); 1164 return DT_PROPNODENAME; 1165 } 1166 YY_BREAK 1167case 18: 1168YY_RULE_SETUP 1169#line 239 "dtc-lexer.l" 1170{ 1171 DPRINT("Binary Include\n"); 1172 return DT_INCBIN; 1173 } 1174 YY_BREAK 1175case 19: 1176/* rule 19 can match eol */ 1177YY_RULE_SETUP 1178#line 244 "dtc-lexer.l" 1179/* eat whitespace */ 1180 YY_BREAK 1181case 20: 1182/* rule 20 can match eol */ 1183YY_RULE_SETUP 1184#line 245 "dtc-lexer.l" 1185/* eat C-style comments */ 1186 YY_BREAK 1187case 21: 1188/* rule 21 can match eol */ 1189YY_RULE_SETUP 1190#line 246 "dtc-lexer.l" 1191/* eat C++-style comments */ 1192 YY_BREAK 1193case 22: 1194YY_RULE_SETUP 1195#line 248 "dtc-lexer.l" 1196{ return DT_LSHIFT; }; 1197 YY_BREAK 1198case 23: 1199YY_RULE_SETUP 1200#line 249 "dtc-lexer.l" 1201{ return DT_RSHIFT; }; 1202 YY_BREAK 1203case 24: 1204YY_RULE_SETUP 1205#line 250 "dtc-lexer.l" 1206{ return DT_LE; }; 1207 YY_BREAK 1208case 25: 1209YY_RULE_SETUP 1210#line 251 "dtc-lexer.l" 1211{ return DT_GE; }; 1212 YY_BREAK 1213case 26: 1214YY_RULE_SETUP 1215#line 252 "dtc-lexer.l" 1216{ return DT_EQ; }; 1217 YY_BREAK 1218case 27: 1219YY_RULE_SETUP 1220#line 253 "dtc-lexer.l" 1221{ return DT_NE; }; 1222 YY_BREAK 1223case 28: 1224YY_RULE_SETUP 1225#line 254 "dtc-lexer.l" 1226{ return DT_AND; }; 1227 YY_BREAK 1228case 29: 1229YY_RULE_SETUP 1230#line 255 "dtc-lexer.l" 1231{ return DT_OR; }; 1232 YY_BREAK 1233case 30: 1234YY_RULE_SETUP 1235#line 257 "dtc-lexer.l" 1236{ 1237 DPRINT("Char: %c (\\x%02x)\n", yytext[0], 1238 (unsigned)yytext[0]); 1239 if (yytext[0] == '[') { 1240 DPRINT("<BYTESTRING>\n"); 1241 BEGIN(BYTESTRING); 1242 } 1243 if ((yytext[0] == '{') 1244 || (yytext[0] == ';')) { 1245 DPRINT("<PROPNODENAME>\n"); 1246 BEGIN(PROPNODENAME); 1247 } 1248 return yytext[0]; 1249 } 1250 YY_BREAK 1251case 31: 1252YY_RULE_SETUP 1253#line 272 "dtc-lexer.l" 1254ECHO; 1255 YY_BREAK 1256#line 1257 "dtc-lexer.lex.c" 1257 1258 case YY_END_OF_BUFFER: 1259 { 1260 /* Amount of text matched not including the EOB char. */ 1261 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; 1262 1263 /* Undo the effects of YY_DO_BEFORE_ACTION. */ 1264 *yy_cp = (yy_hold_char); 1265 YY_RESTORE_YY_MORE_OFFSET 1266 1267 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) 1268 { 1269 /* We're scanning a new file or input source. It's 1270 * possible that this happened because the user 1271 * just pointed yyin at a new source and called 1272 * yylex(). If so, then we have to assure 1273 * consistency between YY_CURRENT_BUFFER and our 1274 * globals. Here is the right place to do so, because 1275 * this is the first action (other than possibly a 1276 * back-up) that will match for the new input source. 1277 */ 1278 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1279 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; 1280 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; 1281 } 1282 1283 /* Note that here we test for yy_c_buf_p "<=" to the position 1284 * of the first EOB in the buffer, since yy_c_buf_p will 1285 * already have been incremented past the NUL character 1286 * (since all states make transitions on EOB to the 1287 * end-of-buffer state). Contrast this with the test 1288 * in input(). 1289 */ 1290 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1291 { /* This was really a NUL. */ 1292 yy_state_type yy_next_state; 1293 1294 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; 1295 1296 yy_current_state = yy_get_previous_state( ); 1297 1298 /* Okay, we're now positioned to make the NUL 1299 * transition. We couldn't have 1300 * yy_get_previous_state() go ahead and do it 1301 * for us because it doesn't know how to deal 1302 * with the possibility of jamming (and we don't 1303 * want to build jamming into it because then it 1304 * will run more slowly). 1305 */ 1306 1307 yy_next_state = yy_try_NUL_trans( yy_current_state ); 1308 1309 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1310 1311 if ( yy_next_state ) 1312 { 1313 /* Consume the NUL. */ 1314 yy_cp = ++(yy_c_buf_p); 1315 yy_current_state = yy_next_state; 1316 goto yy_match; 1317 } 1318 1319 else 1320 { 1321 yy_cp = (yy_last_accepting_cpos); 1322 yy_current_state = (yy_last_accepting_state); 1323 goto yy_find_action; 1324 } 1325 } 1326 1327 else switch ( yy_get_next_buffer( ) ) 1328 { 1329 case EOB_ACT_END_OF_FILE: 1330 { 1331 (yy_did_buffer_switch_on_eof) = 0; 1332 1333 if ( yywrap( ) ) 1334 { 1335 /* Note: because we've taken care in 1336 * yy_get_next_buffer() to have set up 1337 * yytext, we can now set up 1338 * yy_c_buf_p so that if some total 1339 * hoser (like flex itself) wants to 1340 * call the scanner after we return the 1341 * YY_NULL, it'll still work - another 1342 * YY_NULL will get returned. 1343 */ 1344 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; 1345 1346 yy_act = YY_STATE_EOF(YY_START); 1347 goto do_action; 1348 } 1349 1350 else 1351 { 1352 if ( ! (yy_did_buffer_switch_on_eof) ) 1353 YY_NEW_FILE; 1354 } 1355 break; 1356 } 1357 1358 case EOB_ACT_CONTINUE_SCAN: 1359 (yy_c_buf_p) = 1360 (yytext_ptr) + yy_amount_of_matched_text; 1361 1362 yy_current_state = yy_get_previous_state( ); 1363 1364 yy_cp = (yy_c_buf_p); 1365 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1366 goto yy_match; 1367 1368 case EOB_ACT_LAST_MATCH: 1369 (yy_c_buf_p) = 1370 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; 1371 1372 yy_current_state = yy_get_previous_state( ); 1373 1374 yy_cp = (yy_c_buf_p); 1375 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 1376 goto yy_find_action; 1377 } 1378 break; 1379 } 1380 1381 default: 1382 YY_FATAL_ERROR( 1383 "fatal flex scanner internal error--no action found" ); 1384 } /* end of action switch */ 1385 } /* end of scanning one token */ 1386 } /* end of user's declarations */ 1387} /* end of yylex */ 1388 1389/* yy_get_next_buffer - try to read in a new buffer 1390 * 1391 * Returns a code representing an action: 1392 * EOB_ACT_LAST_MATCH - 1393 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position 1394 * EOB_ACT_END_OF_FILE - end of file 1395 */ 1396static int yy_get_next_buffer (void) 1397{ 1398 char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; 1399 char *source = (yytext_ptr); 1400 yy_size_t number_to_move, i; 1401 int ret_val; 1402 1403 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) 1404 YY_FATAL_ERROR( 1405 "fatal flex scanner internal error--end of buffer missed" ); 1406 1407 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) 1408 { /* Don't try to fill the buffer, so this is an EOF. */ 1409 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) 1410 { 1411 /* We matched a single character, the EOB, so 1412 * treat this as a final EOF. 1413 */ 1414 return EOB_ACT_END_OF_FILE; 1415 } 1416 1417 else 1418 { 1419 /* We matched some text prior to the EOB, first 1420 * process it. 1421 */ 1422 return EOB_ACT_LAST_MATCH; 1423 } 1424 } 1425 1426 /* Try to read more data. */ 1427 1428 /* First move last chars to start of buffer. */ 1429 number_to_move = (yy_size_t) ((yy_c_buf_p) - (yytext_ptr)) - 1; 1430 1431 for ( i = 0; i < number_to_move; ++i ) 1432 *(dest++) = *(source++); 1433 1434 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) 1435 /* don't do the read, it's not guaranteed to return an EOF, 1436 * just force an EOF 1437 */ 1438 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; 1439 1440 else 1441 { 1442 int num_to_read = 1443 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; 1444 1445 while ( num_to_read <= 0 ) 1446 { /* Not enough room in the buffer - grow it. */ 1447 1448 /* just a shorter name for the current buffer */ 1449 YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; 1450 1451 int yy_c_buf_p_offset = 1452 (int) ((yy_c_buf_p) - b->yy_ch_buf); 1453 1454 if ( b->yy_is_our_buffer ) 1455 { 1456 int new_size = b->yy_buf_size * 2; 1457 1458 if ( new_size <= 0 ) 1459 b->yy_buf_size += b->yy_buf_size / 8; 1460 else 1461 b->yy_buf_size *= 2; 1462 1463 b->yy_ch_buf = (char *) 1464 /* Include room in for 2 EOB chars. */ 1465 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); 1466 } 1467 else 1468 /* Can't grow it, we don't own it. */ 1469 b->yy_ch_buf = NULL; 1470 1471 if ( ! b->yy_ch_buf ) 1472 YY_FATAL_ERROR( 1473 "fatal error - scanner input buffer overflow" ); 1474 1475 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; 1476 1477 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - 1478 number_to_move - 1; 1479 1480 } 1481 1482 if ( num_to_read > YY_READ_BUF_SIZE ) 1483 num_to_read = YY_READ_BUF_SIZE; 1484 1485 /* Read in more data. */ 1486 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), 1487 (yy_n_chars), num_to_read ); 1488 1489 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1490 } 1491 1492 if ( (yy_n_chars) == 0 ) 1493 { 1494 if ( number_to_move == YY_MORE_ADJ ) 1495 { 1496 ret_val = EOB_ACT_END_OF_FILE; 1497 yyrestart(yyin ); 1498 } 1499 1500 else 1501 { 1502 ret_val = EOB_ACT_LAST_MATCH; 1503 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = 1504 YY_BUFFER_EOF_PENDING; 1505 } 1506 } 1507 1508 else 1509 ret_val = EOB_ACT_CONTINUE_SCAN; 1510 1511 if ((int) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { 1512 /* Extend the array by 50%, plus the number we really need. */ 1513 int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); 1514 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); 1515 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) 1516 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); 1517 } 1518 1519 (yy_n_chars) += number_to_move; 1520 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; 1521 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; 1522 1523 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; 1524 1525 return ret_val; 1526} 1527 1528/* yy_get_previous_state - get the state just before the EOB char was reached */ 1529 1530 static yy_state_type yy_get_previous_state (void) 1531{ 1532 yy_state_type yy_current_state; 1533 char *yy_cp; 1534 1535 yy_current_state = (yy_start); 1536 yy_current_state += YY_AT_BOL(); 1537 1538 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) 1539 { 1540 YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); 1541 if ( yy_accept[yy_current_state] ) 1542 { 1543 (yy_last_accepting_state) = yy_current_state; 1544 (yy_last_accepting_cpos) = yy_cp; 1545 } 1546 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1547 { 1548 yy_current_state = (int) yy_def[yy_current_state]; 1549 if ( yy_current_state >= 166 ) 1550 yy_c = yy_meta[(unsigned int) yy_c]; 1551 } 1552 yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; 1553 } 1554 1555 return yy_current_state; 1556} 1557 1558/* yy_try_NUL_trans - try to make a transition on the NUL character 1559 * 1560 * synopsis 1561 * next_state = yy_try_NUL_trans( current_state ); 1562 */ 1563 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) 1564{ 1565 int yy_is_jam; 1566 char *yy_cp = (yy_c_buf_p); 1567 1568 YY_CHAR yy_c = 1; 1569 if ( yy_accept[yy_current_state] ) 1570 { 1571 (yy_last_accepting_state) = yy_current_state; 1572 (yy_last_accepting_cpos) = yy_cp; 1573 } 1574 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1575 { 1576 yy_current_state = (int) yy_def[yy_current_state]; 1577 if ( yy_current_state >= 166 ) 1578 yy_c = yy_meta[(unsigned int) yy_c]; 1579 } 1580 yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; 1581 yy_is_jam = (yy_current_state == 165); 1582 1583 return yy_is_jam ? 0 : yy_current_state; 1584} 1585 1586#ifndef YY_NO_UNPUT 1587 1588#endif 1589 1590#ifndef YY_NO_INPUT 1591#ifdef __cplusplus 1592 static int yyinput (void) 1593#else 1594 static int input (void) 1595#endif 1596 1597{ 1598 int c; 1599 1600 *(yy_c_buf_p) = (yy_hold_char); 1601 1602 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) 1603 { 1604 /* yy_c_buf_p now points to the character we want to return. 1605 * If this occurs *before* the EOB characters, then it's a 1606 * valid NUL; if not, then we've hit the end of the buffer. 1607 */ 1608 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1609 /* This was really a NUL. */ 1610 *(yy_c_buf_p) = '\0'; 1611 1612 else 1613 { /* need more input */ 1614 int offset = (yy_c_buf_p) - (yytext_ptr); 1615 ++(yy_c_buf_p); 1616 1617 switch ( yy_get_next_buffer( ) ) 1618 { 1619 case EOB_ACT_LAST_MATCH: 1620 /* This happens because yy_g_n_b() 1621 * sees that we've accumulated a 1622 * token and flags that we need to 1623 * try matching the token before 1624 * proceeding. But for input(), 1625 * there's no matching to consider. 1626 * So convert the EOB_ACT_LAST_MATCH 1627 * to EOB_ACT_END_OF_FILE. 1628 */ 1629 1630 /* Reset buffer status. */ 1631 yyrestart(yyin ); 1632 1633 /*FALLTHROUGH*/ 1634 1635 case EOB_ACT_END_OF_FILE: 1636 { 1637 if ( yywrap( ) ) 1638 return 0; 1639 1640 if ( ! (yy_did_buffer_switch_on_eof) ) 1641 YY_NEW_FILE; 1642#ifdef __cplusplus 1643 return yyinput(); 1644#else 1645 return input(); 1646#endif 1647 } 1648 1649 case EOB_ACT_CONTINUE_SCAN: 1650 (yy_c_buf_p) = (yytext_ptr) + offset; 1651 break; 1652 } 1653 } 1654 } 1655 1656 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ 1657 *(yy_c_buf_p) = '\0'; /* preserve yytext */ 1658 (yy_hold_char) = *++(yy_c_buf_p); 1659 1660 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); 1661 1662 return c; 1663} 1664#endif /* ifndef YY_NO_INPUT */ 1665 1666/** Immediately switch to a different input stream. 1667 * @param input_file A readable stream. 1668 * 1669 * @note This function does not reset the start condition to @c INITIAL . 1670 */ 1671 void yyrestart (FILE * input_file ) 1672{ 1673 1674 if ( ! YY_CURRENT_BUFFER ){ 1675 yyensure_buffer_stack (); 1676 YY_CURRENT_BUFFER_LVALUE = 1677 yy_create_buffer(yyin,YY_BUF_SIZE ); 1678 } 1679 1680 yy_init_buffer(YY_CURRENT_BUFFER,input_file ); 1681 yy_load_buffer_state( ); 1682} 1683 1684/** Switch to a different input buffer. 1685 * @param new_buffer The new input buffer. 1686 * 1687 */ 1688 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) 1689{ 1690 1691 /* TODO. We should be able to replace this entire function body 1692 * with 1693 * yypop_buffer_state(); 1694 * yypush_buffer_state(new_buffer); 1695 */ 1696 yyensure_buffer_stack (); 1697 if ( YY_CURRENT_BUFFER == new_buffer ) 1698 return; 1699 1700 if ( YY_CURRENT_BUFFER ) 1701 { 1702 /* Flush out information for old buffer. */ 1703 *(yy_c_buf_p) = (yy_hold_char); 1704 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1705 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1706 } 1707 1708 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1709 yy_load_buffer_state( ); 1710 1711 /* We don't actually know whether we did this switch during 1712 * EOF (yywrap()) processing, but the only time this flag 1713 * is looked at is after yywrap() is called, so it's safe 1714 * to go ahead and always set it. 1715 */ 1716 (yy_did_buffer_switch_on_eof) = 1; 1717} 1718 1719static void yy_load_buffer_state (void) 1720{ 1721 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1722 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; 1723 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; 1724 (yy_hold_char) = *(yy_c_buf_p); 1725} 1726 1727/** Allocate and initialize an input buffer state. 1728 * @param file A readable stream. 1729 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. 1730 * 1731 * @return the allocated buffer state. 1732 */ 1733 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) 1734{ 1735 YY_BUFFER_STATE b; 1736 1737 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1738 if ( ! b ) 1739 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1740 1741 b->yy_buf_size = (yy_size_t)size; 1742 1743 /* yy_ch_buf has to be 2 characters longer than the size given because 1744 * we need to put in 2 end-of-buffer characters. 1745 */ 1746 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); 1747 if ( ! b->yy_ch_buf ) 1748 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1749 1750 b->yy_is_our_buffer = 1; 1751 1752 yy_init_buffer(b,file ); 1753 1754 return b; 1755} 1756 1757/** Destroy the buffer. 1758 * @param b a buffer created with yy_create_buffer() 1759 * 1760 */ 1761 void yy_delete_buffer (YY_BUFFER_STATE b ) 1762{ 1763 1764 if ( ! b ) 1765 return; 1766 1767 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ 1768 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; 1769 1770 if ( b->yy_is_our_buffer ) 1771 yyfree((void *) b->yy_ch_buf ); 1772 1773 yyfree((void *) b ); 1774} 1775 1776/* Initializes or reinitializes a buffer. 1777 * This function is sometimes called more than once on the same buffer, 1778 * such as during a yyrestart() or at EOF. 1779 */ 1780 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) 1781 1782{ 1783 int oerrno = errno; 1784 1785 yy_flush_buffer(b ); 1786 1787 b->yy_input_file = file; 1788 b->yy_fill_buffer = 1; 1789 1790 /* If b is the current buffer, then yy_init_buffer was _probably_ 1791 * called from yyrestart() or through yy_get_next_buffer. 1792 * In that case, we don't want to reset the lineno or column. 1793 */ 1794 if (b != YY_CURRENT_BUFFER){ 1795 b->yy_bs_lineno = 1; 1796 b->yy_bs_column = 0; 1797 } 1798 1799 b->yy_is_interactive = 0; 1800 1801 errno = oerrno; 1802} 1803 1804/** Discard all buffered characters. On the next scan, YY_INPUT will be called. 1805 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. 1806 * 1807 */ 1808 void yy_flush_buffer (YY_BUFFER_STATE b ) 1809{ 1810 if ( ! b ) 1811 return; 1812 1813 b->yy_n_chars = 0; 1814 1815 /* We always need two end-of-buffer characters. The first causes 1816 * a transition to the end-of-buffer state. The second causes 1817 * a jam in that state. 1818 */ 1819 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 1820 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 1821 1822 b->yy_buf_pos = &b->yy_ch_buf[0]; 1823 1824 b->yy_at_bol = 1; 1825 b->yy_buffer_status = YY_BUFFER_NEW; 1826 1827 if ( b == YY_CURRENT_BUFFER ) 1828 yy_load_buffer_state( ); 1829} 1830 1831/** Pushes the new state onto the stack. The new state becomes 1832 * the current state. This function will allocate the stack 1833 * if necessary. 1834 * @param new_buffer The new state. 1835 * 1836 */ 1837void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) 1838{ 1839 if (new_buffer == NULL) 1840 return; 1841 1842 yyensure_buffer_stack(); 1843 1844 /* This block is copied from yy_switch_to_buffer. */ 1845 if ( YY_CURRENT_BUFFER ) 1846 { 1847 /* Flush out information for old buffer. */ 1848 *(yy_c_buf_p) = (yy_hold_char); 1849 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1850 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1851 } 1852 1853 /* Only push if top exists. Otherwise, replace top. */ 1854 if (YY_CURRENT_BUFFER) 1855 (yy_buffer_stack_top)++; 1856 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1857 1858 /* copied from yy_switch_to_buffer. */ 1859 yy_load_buffer_state( ); 1860 (yy_did_buffer_switch_on_eof) = 1; 1861} 1862 1863/** Removes and deletes the top of the stack, if present. 1864 * The next element becomes the new top. 1865 * 1866 */ 1867void yypop_buffer_state (void) 1868{ 1869 if (!YY_CURRENT_BUFFER) 1870 return; 1871 1872 yy_delete_buffer(YY_CURRENT_BUFFER ); 1873 YY_CURRENT_BUFFER_LVALUE = NULL; 1874 if ((yy_buffer_stack_top) > 0) 1875 --(yy_buffer_stack_top); 1876 1877 if (YY_CURRENT_BUFFER) { 1878 yy_load_buffer_state( ); 1879 (yy_did_buffer_switch_on_eof) = 1; 1880 } 1881} 1882 1883/* Allocates the stack if it does not exist. 1884 * Guarantees space for at least one push. 1885 */ 1886static void yyensure_buffer_stack (void) 1887{ 1888 int num_to_alloc; 1889 1890 if (!(yy_buffer_stack)) { 1891 1892 /* First allocation is just for 2 elements, since we don't know if this 1893 * scanner will even need a stack. We use 2 instead of 1 to avoid an 1894 * immediate realloc on the next call. 1895 */ 1896 num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */ 1897 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc 1898 (num_to_alloc * sizeof(struct yy_buffer_state*) 1899 ); 1900 if ( ! (yy_buffer_stack) ) 1901 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1902 1903 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 1904 1905 (yy_buffer_stack_max) = num_to_alloc; 1906 (yy_buffer_stack_top) = 0; 1907 return; 1908 } 1909 1910 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ 1911 1912 /* Increase the buffer to prepare for a possible push. */ 1913 yy_size_t grow_size = 8 /* arbitrary grow size */; 1914 1915 num_to_alloc = (yy_buffer_stack_max) + grow_size; 1916 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc 1917 ((yy_buffer_stack), 1918 num_to_alloc * sizeof(struct yy_buffer_state*) 1919 ); 1920 if ( ! (yy_buffer_stack) ) 1921 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1922 1923 /* zero only the new slots.*/ 1924 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); 1925 (yy_buffer_stack_max) = num_to_alloc; 1926 } 1927} 1928 1929/** Setup the input buffer state to scan directly from a user-specified character buffer. 1930 * @param base the character buffer 1931 * @param size the size in bytes of the character buffer 1932 * 1933 * @return the newly allocated buffer state object. 1934 */ 1935YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) 1936{ 1937 YY_BUFFER_STATE b; 1938 1939 if ( size < 2 || 1940 base[size-2] != YY_END_OF_BUFFER_CHAR || 1941 base[size-1] != YY_END_OF_BUFFER_CHAR ) 1942 /* They forgot to leave room for the EOB's. */ 1943 return NULL; 1944 1945 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1946 if ( ! b ) 1947 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); 1948 1949 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ 1950 b->yy_buf_pos = b->yy_ch_buf = base; 1951 b->yy_is_our_buffer = 0; 1952 b->yy_input_file = NULL; 1953 b->yy_n_chars = b->yy_buf_size; 1954 b->yy_is_interactive = 0; 1955 b->yy_at_bol = 1; 1956 b->yy_fill_buffer = 0; 1957 b->yy_buffer_status = YY_BUFFER_NEW; 1958 1959 yy_switch_to_buffer(b ); 1960 1961 return b; 1962} 1963 1964/** Setup the input buffer state to scan a string. The next call to yylex() will 1965 * scan from a @e copy of @a str. 1966 * @param yystr a NUL-terminated string to scan 1967 * 1968 * @return the newly allocated buffer state object. 1969 * @note If you want to scan bytes that may contain NUL values, then use 1970 * yy_scan_bytes() instead. 1971 */ 1972YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) 1973{ 1974 1975 return yy_scan_bytes(yystr,(int) strlen(yystr) ); 1976} 1977 1978/** Setup the input buffer state to scan the given bytes. The next call to yylex() will 1979 * scan from a @e copy of @a bytes. 1980 * @param yybytes the byte buffer to scan 1981 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. 1982 * 1983 * @return the newly allocated buffer state object. 1984 */ 1985YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) 1986{ 1987 YY_BUFFER_STATE b; 1988 char *buf; 1989 yy_size_t n; 1990 yy_size_t i; 1991 1992 /* Get memory for full buffer, including space for trailing EOB's. */ 1993 n = (yy_size_t) _yybytes_len + 2; 1994 buf = (char *) yyalloc(n ); 1995 if ( ! buf ) 1996 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); 1997 1998 for ( i = 0; i < _yybytes_len; ++i ) 1999 buf[i] = yybytes[i]; 2000
2001 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; 2002 2003 b = yy_scan_buffer(buf,n ); 2004 if ( ! b ) 2005 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); 2006 2007 /* It's okay to grow etc. this buffer, and we should throw it 2008 * away when we're done. 2009 */ 2010 b->yy_is_our_buffer = 1; 2011 2012 return b; 2013} 2014 2015#ifndef YY_EXIT_FAILURE 2016#define YY_EXIT_FAILURE 2 2017#endif 2018 2019static void yynoreturn yy_fatal_error (yyconst char* msg ) 2020{ 2021 (void) fprintf( stderr, "%s\n", msg ); 2022 exit( YY_EXIT_FAILURE ); 2023} 2024 2025/* Redefine yyless() so it works in section 3 code. */ 2026 2027#undef yyless 2028#define yyless(n) \ 2029 do \ 2030 { \ 2031 /* Undo effects of setting up yytext. */ \ 2032 int yyless_macro_arg = (n); \ 2033 YY_LESS_LINENO(yyless_macro_arg);\ 2034 yytext[yyleng] = (yy_hold_char); \ 2035 (yy_c_buf_p) = yytext + yyless_macro_arg; \ 2036 (yy_hold_char) = *(yy_c_buf_p); \ 2037 *(yy_c_buf_p) = '\0'; \ 2038 yyleng = yyless_macro_arg; \ 2039 } \ 2040 while ( 0 ) 2041 2042/* Accessor methods (get/set functions) to struct members. */ 2043 2044/** Get the current line number. 2045 * 2046 */ 2047int yyget_lineno (void) 2048{ 2049 2050 return yylineno; 2051} 2052 2053/** Get the input stream. 2054 * 2055 */ 2056FILE *yyget_in (void) 2057{ 2058 return yyin; 2059} 2060 2061/** Get the output stream. 2062 * 2063 */ 2064FILE *yyget_out (void) 2065{ 2066 return yyout; 2067} 2068 2069/** Get the length of the current token. 2070 * 2071 */ 2072int yyget_leng (void) 2073{ 2074 return yyleng; 2075} 2076 2077/** Get the current token. 2078 * 2079 */ 2080 2081char *yyget_text (void) 2082{ 2083 return yytext; 2084} 2085 2086/** Set the current line number. 2087 * @param _line_number line number 2088 * 2089 */ 2090void yyset_lineno (int _line_number ) 2091{ 2092 2093 yylineno = _line_number; 2094} 2095 2096/** Set the input stream. This does not discard the current 2097 * input buffer. 2098 * @param _in_str A readable stream. 2099 * 2100 * @see yy_switch_to_buffer 2101 */ 2102void yyset_in (FILE * _in_str ) 2103{ 2104 yyin = _in_str ; 2105} 2106 2107void yyset_out (FILE * _out_str ) 2108{ 2109 yyout = _out_str ; 2110} 2111 2112int yyget_debug (void) 2113{ 2114 return yy_flex_debug; 2115} 2116 2117void yyset_debug (int _bdebug ) 2118{ 2119 yy_flex_debug = _bdebug ; 2120} 2121 2122static int yy_init_globals (void) 2123{ 2124 /* Initialization is the same as for the non-reentrant scanner. 2125 * This function is called from yylex_destroy(), so don't allocate here. 2126 */ 2127 2128 (yy_buffer_stack) = NULL; 2129 (yy_buffer_stack_top) = 0; 2130 (yy_buffer_stack_max) = 0; 2131 (yy_c_buf_p) = NULL; 2132 (yy_init) = 0; 2133 (yy_start) = 0; 2134 2135/* Defined in main.c */ 2136#ifdef YY_STDINIT 2137 yyin = stdin; 2138 yyout = stdout; 2139#else 2140 yyin = NULL; 2141 yyout = NULL; 2142#endif 2143 2144 /* For future reference: Set errno on error, since we are called by 2145 * yylex_init() 2146 */ 2147 return 0; 2148} 2149 2150/* yylex_destroy is for both reentrant and non-reentrant scanners. */ 2151int yylex_destroy (void) 2152{ 2153 2154 /* Pop the buffer stack, destroying each element. */ 2155 while(YY_CURRENT_BUFFER){ 2156 yy_delete_buffer(YY_CURRENT_BUFFER ); 2157 YY_CURRENT_BUFFER_LVALUE = NULL; 2158 yypop_buffer_state(); 2159 } 2160 2161 /* Destroy the stack itself. */ 2162 yyfree((yy_buffer_stack) ); 2163 (yy_buffer_stack) = NULL; 2164 2165 /* Reset the globals. This is important in a non-reentrant scanner so the next time 2166 * yylex() is called, initialization will occur. */ 2167 yy_init_globals( ); 2168 2169 return 0; 2170} 2171 2172/* 2173 * Internal utility routines. 2174 */ 2175 2176#ifndef yytext_ptr 2177static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) 2178{ 2179 2180 int i; 2181 for ( i = 0; i < n; ++i ) 2182 s1[i] = s2[i]; 2183} 2184#endif 2185 2186#ifdef YY_NEED_STRLEN 2187static int yy_flex_strlen (yyconst char * s ) 2188{ 2189 int n; 2190 for ( n = 0; s[n]; ++n ) 2191 ; 2192 2193 return n; 2194} 2195#endif 2196 2197void *yyalloc (yy_size_t size ) 2198{ 2199 return malloc(size); 2200} 2201 2202void *yyrealloc (void * ptr, yy_size_t size ) 2203{ 2204 2205 /* The cast to (char *) in the following accommodates both 2206 * implementations that use char* generic pointers, and those 2207 * that use void* generic pointers. It works with the latter 2208 * because both ANSI C and C++ allow castless assignment from 2209 * any pointer type to void*, and deal with argument conversions 2210 * as though doing an assignment. 2211 */ 2212 return realloc(ptr, size); 2213} 2214 2215void yyfree (void * ptr ) 2216{ 2217 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ 2218} 2219 2220#define YYTABLES_NAME "yytables" 2221 2222#line 272 "dtc-lexer.l" 2223 2224 2225 2226static void push_input_file(const char *filename) 2227{ 2228 assert(filename); 2229 2230 srcfile_push(filename); 2231 2232 yyin = current_srcfile->f; 2233 2234 yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE)); 2235} 2236 2237 2238static bool pop_input_file(void) 2239{ 2240 if (srcfile_pop() == 0) 2241 return false; 2242 2243 yypop_buffer_state(); 2244 yyin = current_srcfile->f; 2245 2246 return true; 2247} 2248 2249static void lexical_error(const char *fmt, ...) 2250{ 2251 va_list ap; 2252 2253 va_start(ap, fmt); 2254 srcpos_verror(&yylloc, "Lexical error", fmt, ap); 2255 va_end(ap); 2256 2257 treesource_error = true; 2258} 2259 2260